1 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3 * config/s390/s390.c (s390_init_frame_layout): Check positive
6 2006-10-26 Ben Elliston <bje@au.ibm.com>
8 * gimplify.c (get_name): Remove extraneous break.
9 (gimplify_omp_for): Initialise ret with GS_OK.
11 2006-10-25 Steve Ellcey <sje@cup.hp.com>
13 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
14 Add unix98.o to link line.
16 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
20 Calculate compile-time constants using MPFR.
21 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
22 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
24 2006-10-25 Bob Wilson <bob.wilson@acm.org>
26 * config/xtensa/lib2funcs.S: Use C-style comments.
28 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
30 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
31 (file_table_relative_p): Likewise.
32 (dwarf2out_finish): Likewise.
33 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
35 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
37 * tree-ssa-structalias.c (intra_create_variable_infos):
38 Don't recreate nonlocal_all if it already exists.
40 2006-10-25 Richard Guenther <rguenther@suse.de>
43 * optabs.h (enum optab_index): Remove OTI_lrint.
44 (enum convert_optab_index): Add COI_lrint.
45 (lrint_optab): Adjust.
46 (expand_sfix_optab): Declare.
47 * optabs.c (expand_sfix_optab): New function.
48 (init_optabs): Init lrint_optab as conversion optab.
49 * genopinit.c (lrint_optab): Change to a conversion optab.
50 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
51 expansion via conversion optab.
52 * config/i386/i386.md (*fistdi2_1): Remove
53 flag_unsafe_math_optimizations guard.
54 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
55 fist<mode>2_with_temp): Likewise.
56 (lrint<mode>2): Split into...
57 (lrintxf<mode>2): ... x87 part
58 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
59 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
60 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
61 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
62 * doc/md.texi (lrintMN2): Document.
64 2006-10-25 Uros Bizjak <uros@kss-loka.si>
67 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
68 Use inc and dec instructions for TARGET_USE_INCDEC.
69 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
70 ("sync_double_compare_and_swap<mode>"): Likewise.
71 ("*sync_double_compare_and_swapdi_pic"): Likewise.
72 ("*sync_compare_and_swap_cc<mode>"): Likewise.
73 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
74 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
75 ("sync_old_add<mode>"): Likewise.
76 ("sync_lock_test_and_set<mode>"): Likewise.
77 ("sync_lock_test_and_set<mode>"): Likewise.
78 ("sync_add<mode>"): Likewise.
79 ("sync_sub<mode>"): Likewise.
80 ("sync_ior<mode>"): Likewise.
81 ("sync_and<mode>"): Likewise.
82 ("sync_xor<mode>"): Likewise.
84 2006-10-25 Uros Bizjak <uros@kss-loka.si>
86 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
87 (remainder_optab): Define corresponding macro.
89 * optabs.c (init_optabs): Initialize remainder_optab. Remove
90 drem_optab initialization.
91 * genopinit.c (optabs): Implement remainder_optab using
92 remainder?f3 patterns. Remove drem_optab.
93 * builtins.c (expand_builtin_mathfn_2): Handle
94 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
95 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
96 expand_builtin_mathfn_2.
98 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
99 depend on flag_unsafe_math_optimizations.
101 * config/i386/i386.md ("remaindersf3", "remainderdf3")
102 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
103 Do not depend on flag_unsafe_math_optimizations. Use
104 truncxf?f expander instead of truncxf?f_i387_noop.
106 ("fpremxf4", "fprem1xf4"): Do not depend on
107 flag_unsafe_math_optimizations.
108 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
109 flag_unsafe_math_optimizations. Use truncxf?f expander
110 instead of truncxf?f_i387_noop.
112 * doc/md.texi (fmod, remainder): Document standard named pattern.
114 2006-10-24 Richard Sandiford <richard@codesourcery.com>
115 David Daney <ddaney@avtrex.com>
118 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
120 2006-10-25 Ben Elliston <bje@au.ibm.com>
122 * doc/extend.texi (Variable Attributes): Typo fix.
124 2006-10-24 Uros Bizjak <uros@kss-loka.si>
126 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
127 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
128 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
129 (FRAME_POINTER_REGNUM): Update register number to 21.
130 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
131 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
133 * config/i386/i386.c (regclass_map): Add fpcr entry.
134 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
136 (print_reg): Assert REGNO (x) != FPCR_REG.
138 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
139 (DIRFLAG_REG): Renumber.
140 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
141 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
142 (sse_prologue_save, *sse_prologue_save_insn): Renumber
143 hardcoded SSE register numbers.
145 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
146 hardcoded MMX register numbers.
148 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
151 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
152 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
154 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
155 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
156 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
157 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
159 2006-10-24 Richard Guenther <rguenther@suse.de>
162 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
163 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
164 for deciding optimizations in consistency with fold-const.c
165 (fold_builtin_unordered_cmp): Likewise.
167 2006-10-24 Richard Guenther <rguenther@suse.de>
169 * builtins.c (fold_builtin_floor): Fold floor (x) where
170 x is nonnegative to trunc (x).
171 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
172 nonnegative to FIX_TRUNC_EXPR.
174 2006-10-24 Richard Guenther <rguenther@suse.de>
176 PR tree-optimization/29567
177 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
178 for TRUTH_NOT_EXPR. Clarify comments.
180 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
183 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
184 at compile-time using MPFR. Change parameter VALUE to FUNC,
186 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
187 for overflow and underflow at all times and avoid folding in
190 2006-10-24 Ben Elliston <bje@au.ibm.com>
192 * reload1.c: Formatting fixes.
194 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
196 PR tree-optimization/14784
197 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
198 * tree-ssa-structalias.c (get_constraint_for,
199 intra_create_variable_infos): Set is_heapvar.
200 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
201 non-heapvar pointer variables specially.
203 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
206 * builtins.c (fold_builtin_sin, fold_builtin_cos,
207 fold_builtin_tan): Fold all constant arguments. Take a "type"
208 argument as necessary.
210 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
212 2006-10-23 Bob Wilson <bob.wilson@acm.org>
214 * config/xtensa/lib1funcs.asm: Use C-style comments.
216 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
218 * tree.c (local_define_builtin): Replace calls to
219 lang_hooks.builtin_function with add_builtin_function.
220 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
222 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
224 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
225 common code to add_builtin_function.
226 * langhooks.c (add_builtin_function): New function.
227 (lhd_builtin_function): New function.
228 * langhooks.h (struct lang_hooks): Change the signature of
230 (add_builtin_function): New function.
231 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
232 calls to lang_hooks.builtin_function with add_builtin_function.
233 * c-common.c (decl_builtin_1): Replace calls to
234 lang_hooks.builtin_function with add_builtin_function.
235 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
236 lang_hooks.builtin_function with add_builtin_function.
237 * config/frv/frv.c (def_builtin): Replace calls to
238 lang_hooks.builtin_function with add_builtin_function.
239 * config/s390/s390.c (s390_init_builtins): Replace calls to
240 lang_hooks.builtin_function with add_builtin_function.
241 * config/sparc/sparc.c (def_builtin): Replace calls to
242 lang_hooks.builtin_function with add_builtin_function.
243 * config/i386/i386.c (def_builtin): Replace calls to
244 lang_hooks.builtin_function with add_builtin_function.
245 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
246 lang_hooks.builtin_function with add_builtin_function.
247 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
248 lang_hooks.builtin_function with add_builtin_function.
249 * config/stormy16/stormy16.c (xstormy16_init_builtins):
250 Replace calls to lang_hooks.builtin_function with
251 add_builtin_function.
252 * config/iq2000/iq2000.c (def_builtin):
253 Replace calls to lang_hooks.builtin_function with
254 add_builtin_function.
255 * config/ia64/ia64.c (def_builtin): Replace calls to
256 lang_hooks.builtin_function with add_builtin_function.
257 * config/rs6000/rs6000.c (def_builtin): Replace calls to
258 lang_hooks.builtin_function with add_builtin_function.
259 (altivec_init_builtins): Replace calls to
260 lang_hooks.builtin_function with add_builtin_function.
261 * config/arm/arm.c (def_mbuiltin): Replace calls to
262 lang_hooks.builtin_function with add_builtin_function.
263 (arm_init_tls_builtins): Replace calls to
264 lang_hooks.builtin_function with add_builtin_function.
265 * config/mips/mips.c (mips_init_builtins): Replace calls to
266 lang_hooks.builtin_function with add_builtin_function.
267 * config/bfin/bfin.c (def_builtin): Replace calls to
268 lang_hooks.builtin_function with add_builtin_function.
269 * langhooks-def.h (lhd_builtin_function): New function.
270 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
272 2006-10-23 Jakub Jelinek <jakub@redhat.com>
274 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
275 BUILT_IN_STRNCAT_CHK.
277 2006-10-23 Jan Hubicka <jh@suse.cz>
279 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
280 don't do conversion from memmove to memcpy here.
281 (expand_builtin_bcopy, expand_builtin): Update call of
282 expand_builtin_memmove.
283 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
285 2006-10-23 Paul Brook <paul@codesourcery.com>
287 * stor-layout.c (start_record_layout): maximum_field_alignment
288 overrides STRUCTURE_SIZE_BOUNDARY.
290 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
292 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
293 nonlocal function symbols if flag_pic.
295 2006-10-23 Richard Guenther <rguenther@suse.de>
299 * builtins.c (fold_binary): Remove checks for flag_wrapv
300 and flag_trapv where negate_expr_p covers these cases.
302 2006-10-23 Richard Guenther <rguenther@suse.de>
305 * fold-const.c (fold_plusminus_mult_expr): Check exact power
306 of two on the absolute value.
307 (fold_binary): Fold x * -C to -x * C if x is easily negatable
308 and negating -C does not overflow.
310 2006-10-23 Richard Guenther <rguenther@suse.de>
313 * convert.c (convert_to_real): Fold (float)-x to -(float)x
314 only if not flag_rounding_math.
316 2006-10-22 Richard Sandiford <richard@codesourcery.com>
317 Kaz Kojima <kkojima@gcc.gnu.org>
320 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
321 SImode memory reference for the source of a movua.
322 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
323 (movua): Use an unspec instead of sign_extract. Expect the source
324 to have mode BLKmode.
325 (extv, insv): Use a BLKmode rather than SImode memory reference
326 for the source of a movua.
328 2006-10-22 Jeff Law <law@redhat.com>
329 Richard Guenther <rguenther@suse.de>
331 PR tree-optimization/15911
332 * tree-vrp.c (extract_code_and_val_from_cond): New function.
333 (register_edge_assert_for_1): Likewise.
334 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
335 (find_conditional_asserts): Adjust for new function signature.
336 (find_assert_locations): Likewise.
338 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
340 * config/i386/tmmintrin.h: Remove the duplicated content.
342 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
344 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
345 (x86_64-*-*): Likewise.
347 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
348 (override_options): Check SSSE3.
349 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
350 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
351 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
352 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
353 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
354 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
355 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
356 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
357 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
358 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
359 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
360 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
361 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
362 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
363 IX86_BUILTIN_PABSD128.
364 (bdesc_2arg): Add SSSE3.
365 (bdesc_1arg): Likewise.
366 (ix86_init_mmx_sse_builtins): Support SSSE3.
367 (ix86_expand_builtin): Likewise.
368 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
370 * config/i386/i386.md (UNSPEC_PSHUFB): New.
371 (UNSPEC_PSIGN): Likewise.
372 (UNSPEC_PALIGNR): Likewise.
373 Include mmx.md before sse.md.
375 * config/i386/i386.opt: Add -mssse3.
377 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
378 (ssse3_phaddwv4hi3): Likewise.
379 (ssse3_phadddv4si3): Likewise.
380 (ssse3_phadddv2si3): Likewise.
381 (ssse3_phaddswv8hi3): Likewise.
382 (ssse3_phaddswv4hi3): Likewise.
383 (ssse3_phsubwv8hi3): Likewise.
384 (ssse3_phsubwv4hi3): Likewise.
385 (ssse3_phsubdv4si3): Likewise.
386 (ssse3_phsubdv2si3): Likewise.
387 (ssse3_phsubswv8hi3): Likewise.
388 (ssse3_phsubswv4hi3): Likewise.
389 (ssse3_pmaddubswv8hi3): Likewise.
390 (ssse3_pmaddubswv4hi3): Likewise.
391 (ssse3_pmulhrswv8hi3): Likewise.
392 (ssse3_pmulhrswv4hi3): Likewise.
393 (ssse3_pshufbv16qi3): Likewise.
394 (ssse3_pshufbv8qi3): Likewise.
395 (ssse3_psign<mode>3): Likewise.
396 (ssse3_psign<mode>3): Likewise.
397 (ssse3_palignrti): Likewise.
398 (ssse3_palignrdi): Likewise.
399 (abs<mode>2): Likewise.
400 (abs<mode>2): Likewise.
402 * config/i386/tmmintrin.h: New file.
404 * doc/extend.texi: Document SSSE3 built-in functions.
406 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
408 2006-10-22 Ira Rosen <irar@il.ibm.com>
410 * tree-vect-transform.c (vectorizable_load): Use the type of the
411 return value of the mask_for_load builtin to create realign_load
414 2006-10-22 Richard Sandiford <richard@codesourcery.com>
416 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
419 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
421 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
422 (UNSPEC_LDDQU): This.
423 * config/i386/sse.md (sse3_lddqu): Updated.
425 2006-10-21 Richard Guenther <rguenther@suse.de>
427 * builtins.c (expand_builtin_int_roundingfn_2): New function.
428 (expand_builtin): Use it to expand lrint instead of
429 expand_builtin_mathfn.
431 2006-10-21 Uros Bizjak <uros@kss-loka.si>
434 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
435 flag_unsafe_math_optimizations is set.
437 2006-10-21 Uros Bizjak <uros@kss-loka.si>
440 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
441 patterns to use memory input operand in x87->mem->XMM
442 reload sequences. Skip transformation for TARGET_K8.
444 2006-10-21 Uros Bizjak <uros@kss-loka.si>
446 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
447 force operand1 to register if both operands are memory operands.
448 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
449 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
450 if both operands are memory operands.
451 (truncdfsf2): Do not force operand1 to register if both operands
454 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
456 * Makefile.in (LIBS): Add $(GMPLIBS).
457 * doc/install.texi: Update GMP and MPFR requirements.
458 * doc/sourcebuild.texi (need_gmp): Delete.
460 2006-10-21 Richard Guenther <rguenther@suse.de>
462 PR tree-optimization/3511
463 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
464 got new invariant arguments during PHI translation.
466 2006-10-21 Richard Guenther <rguenther@suse.de>
469 * fold-const.c (fold_comparison): Fold signed comparisons
470 of the form X +- C1 CMP Y +- C2.
472 2006-10-21 Richard Guenther <rguenther@suse.de>
475 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
476 if flag_unsafe_math_optimizations is specified. We have
477 flag_finite_math_only for that.
478 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
479 or flag_unsafe_math_optimizations.
481 2006-10-21 Richard Guenther <rguenther@suse.de>
483 * builtins.c (fold_builtin_classify): Fix typo.
485 2006-10-21 Richard Guenther <rguenther@suse.de>
488 * simplify-rtx.c (simplify_const_relational_operation):
489 Do not constant-fold ORDERED and UNORDERED for
490 flag_unsafe_math_optimizations but only we do not need to
491 honor NaNs for the given mode.
493 2006-10-21 Richard Guenther <rguenther@suse.de>
496 * config/i386/i386.c (classify_argument): Remove redundant
497 walking of the BINFOs.
498 (contains_128bit_aligned_vector_p): Likewise.
500 2006-10-20 Mark Mitchell <mark@codesourcery.com>
502 * BASE-VER: Set to 4.3.0.
504 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
506 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
507 (tree_decl_with_vis): Remove artificial_pta_var flag.
508 * tree-flow.h (referenced_var_check_and_insert): Expose.
509 (nonlocal_all): New prototype.
510 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
511 (nonlocal_all): Make global.
512 (nonlocal_lookup): Remove.
513 (nonlocal_insert): Ditto.
514 (create_nonlocal_var): Do not call nonlocal_insert.
515 (get_nonlocal_id_for_type): Remove.
516 (find_global_initializers): Mark new vars we find for renaming.
517 (intra_create_variable_infos): Only create one nonlocal.
518 (expand_nonlocal_solutions): Remove.
519 (compute_points_to_sets): Don't call it.
520 (ipa_pta_execute): Ditto.
521 (init_alias_heapvars): Don't create nonlocal_for_type.
522 (delete_alias_heapvars): Don't remove it.
523 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
526 2006-10-19 Brooks Moses <bmoses@stanford.edu>
528 * doc/install.texi (Downloading GCC): Clarify mention of
529 Fortran in the "full distribution" description.
531 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
533 Fix PR tree-optimization/28778
534 Fix PR tree-optimization/29156
535 Fix PR tree-optimization/29415
536 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
537 (tree_decl_with_vis): Add artificial_pta_var flag.
538 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
540 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
541 (nonlocal_all): Ditto.
542 (struct variable_info): Add directly_dereferenced member.
543 (var_escaped_vars): New variable.
544 (escaped_vars_tree): Ditto.
545 (escaped_vars_id): Ditto.
546 (nonlocal_vars_id): Ditto.
547 (new_var_info): Set directly_dereferenced.
548 (graph_size): New variable
549 (build_constraint_graph): Use graph_size.
550 (solve_graph): Don't process constraints that cannot change the
551 solution, don't try to propagate an empty solution to our
553 (process_constraint): Set directly_dereferenced.
554 (could_have_pointers): New function.
555 (get_constraint_for_component_ref): Don't process STRING_CST.
556 (nonlocal_lookup): New function.
557 (nonlocal_insert): Ditto.
558 (create_nonlocal_var): Ditto.
559 (get_nonlocal_id_for_type): Ditto.
560 (get_constraint_for): Allow results vector to be empty in the case
562 Handle results of calls properly.
563 (update_alias_info): Update alias info stats on number and type of
565 (find_func_aliases): Use could_have_pointers.
566 (make_constraint_from_escaped): Renamed from
567 make_constraint_to_anything, and changed to make constraints from
569 (make_constraint_to_escaped): New function.
570 (find_global_initializers): Ditto.
571 (create_variable_info_for): Make constraint from escaped to any
572 global variable, and from any global variable to the set of
574 (intra_create_variable_infos): Deal with escaped instead of
575 pointing to anything.
576 (set_uids_in_ptset): Do type pruning on directly dereferenced
578 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
579 (init_base_vars): Fix comment, and initialize escaped_vars.
580 (need_to_solve): Removed.
581 (find_escape_constraints): New function.
582 (expand_nonlocal_solutions): Ditto.
583 (compute_points_to_sets): Call find_escape_constraints and
584 expand_nonlocal_solutions.
585 (delete_points_to_sets): Don't fall off the end of the graph.
586 (init_alias_heapvars): Initialize nonlocal_for_type and
588 (delete_alias_heapvars): Free nonlocal_for_type and null out
591 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
593 * fold-const.c (add_double): Rename to add_double_with_sign.
594 Add 'unsigned_p' parameter and take it into account for the overflow.
595 (mul_double): Rename to mul_double_with_sign.
596 Add 'unsigned_p' parameter and take it into account for the overflow.
597 (fold_div_compare): Call add_double_with_sign instead of add_double
598 and mul_double_with_sign instead of mul_double, passing them the
599 unsignedness of the type.
600 * tree.h (add_double): Macroize.
601 (add_double_with_sign): New prototype.
602 (mul_double): Macroize.
603 (mul_double_with_sign): New prototype.
605 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
607 * config/score/crti.asm: New file.
608 * config/score/crtn.asm: New file.
609 * config/score/elf.h: New file.
610 * config/score/mac.md: New file.
611 * config/score/misc.md: New file.
612 * config/score/mul-div.S: New file.
613 * config/score/predicates.md: New file.
614 * config/score/score7.md: New file.
615 * config/score/score.c: New file.
616 * config/score/score-conv.h: New file.
617 * config/score/score.h: New file.
618 * config/score/score.md: New file.
619 * config/score/score-mdaux.c: New file.
620 * config/score/score-mdaux.h: New file.
621 * config/score/score-modes.def: New file.
622 * config/score/score.opt: New file.
623 * config/score/score-protos.h: New file.
624 * config/score/score-version.h: New file.
625 * config/score/t-score-elf: New file.
626 * config.gcc: Add score*-*-* configurations(Update before).
627 * doc/invoke.texi (Score Options): New section.
628 * doc/md.texi (Score family): New section to document constraints.
630 2006-10-19 Nick Clifton <nickc@redhat.com>
632 * config/arm/arm.c: Fix spelling typo.
634 2006-10-18 Tom Tromey <tromey@redhat.com>
636 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
638 2006-10-18 Jan Hubicka <jh@suse.cz>
641 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
644 2006-10-18 Marcin Dalecki <martin@dalecki.de>
646 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
647 TSI_SAME_STMT, since that's the desired entity.
649 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
651 * config/s390/contraints.md: New file.
652 * config/s390/s390-protos.h (s390_mem_constraint,
653 s390_O_constraint_str, s390_N_constraint_str,
654 s390_float_const_zero_p): Function prototypes added.
655 * config/s390/s390.c (s390_extra_constraint_str,
656 s390_const_double_ok_for_constraint_p,
657 s390_const_ok_for_constraint_p): Functions removed.
658 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
659 s390_float_const_zero_p): New functions.
660 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
661 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
662 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
663 Macro definitions removed.
664 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
665 s390_extra_constraint_str): Functions removed.
667 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
668 Richard Sandiford <richard@codesourcery.com>
671 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
672 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
674 2006-10-16 Geoffrey Keating <geoffk@apple.com>
676 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
677 (DWARF2_FRAME_REG_OUT): Likewise.
678 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
679 (DWARF2_FRAME_REG_OUT): Likewise.
681 2006-10-17 Paul Brook <paul@codesourcery.com>
683 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
685 2006-10-16 Brooks Moses <bmoses@stanford.edu>
687 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
688 Standardize on "GNU Fortran" as the official name of the Fortran
691 2006-10-16 Mike Stump <mrs@apple.com>
693 * doc/invoke.texi (Darwin Options): Document -mkernel.
694 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
696 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
697 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
698 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
699 (OS_MISSING_ALTIVEC): Add.
700 * config/i386/i386.c (override_options): Add
701 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
702 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
703 -mkernel, -static or -mdynamic-no-pic is given.
704 (C_COMMON_OVERRIDE_OPTIONS): Add.
705 * config/darwin.opt (fapple-kext): Add.
707 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
708 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
710 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
711 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
712 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
713 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
714 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
716 (flag_apple_kext): Add.
717 (TARGET_KEXTABI): Add.
718 * config/darwin.c (darwin_handle_kext_attribute): Add.
719 (DARWIN_VTABLE_P): Add.
720 (darwin_binds_local_p): Add partial support for rebinding vtables
722 (darwin_kextabi_p): Add.
723 (darwin_override_options): Add.
724 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
725 (darwin_kextabi_p): Add.
726 (darwin_override_options): Add.
727 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
728 __DYNAMIC__ and __STATIC__ here.
730 2006-10-16 Brooks Moses <bmoses@stanford.edu>
732 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
733 Added mention of "make pdf" target, and Texinfo requirements for
736 2006-10-16 DJ Delorie <dj@redhat.com>
738 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
739 into the GOT in case we need a subreg of the address.
741 2006-10-16 Richard Guenther <rguenther@suse.de>
744 * doc/extend.texi (X86 Built-in Functions): Fix typos in
745 SSE builtin documentation. Document SSE2 builtins.
747 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
749 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
750 symbol in the output file for non-shared links when -nostdlib or
751 -nodefaultlibs isn't specified.
753 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
754 posix thread support.
756 2006-10-15 Jan Hubicka <jh@suse.cz>
759 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
760 declared always_inline even when not inlining.
762 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
763 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
764 Andrew Pinski <pinskia@gmail.com>
767 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
769 2006-10-15 Jan Hubicka <jh@suse.cz>
770 Richard Guenther <rguenther@suse.de>
773 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
774 process_function_and_variable_attributes on all variables, including
775 those discovered during cgraph construction phase.
777 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
779 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
781 2006-10-14 Uros Bizjak <uros@kss-loka.si>
783 * config/i386/athlon.md (athlon_fist): Add fisttp.
785 2006-10-13 David Edelsohn <edelsohn@gnu.org>
786 Ian Lance Taylor <ian@airs.com>
789 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
790 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
793 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
795 * config/score/score.c, config/score/score.h: Fix comment
798 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
801 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
804 2006-10-13 Eric Christopher <echristo@apple.com>
806 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
808 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
811 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
812 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
813 alignment supported by 32-bit ELF.
815 2006-10-13 Eric Christopher <echristo@apple.com>
817 * config/darwin.c (darwin_emit_unwind_label): Strip
818 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
820 2006-10-13 Richard Guenther <rguenther@suse.de>
822 PR tree-optimization/29446
823 * tree-vrp.c (fix_equivalence_set): Remove.
824 (extract_range_from_assert): Do not call fix_equivalence_set.
825 (debug_value_range): Print a newline.
826 (compare_name_with_value): For equivalence sets with
827 inconsistent value ranges conservatively bail out.
828 (compare_names): Likewise.
830 2006-10-13 David Edelsohn <edelsohn@gnu.org>
832 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
833 and MPFR for gfortran.
835 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
837 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
838 alignment supported by 32-bit ELF.
840 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
844 * c-typeck.c (digest_init): Always allow initializing vectors
845 that have static storage duration with compound literals.
846 * tree.c (build_type_attribute_qual_variant): New, based on
847 build_type_attribute_variant.
848 (build_type_attribute_variant): Rewrite using the former.
849 (make_vector_type): Use build_type_attribute_qual_variant to build
850 type variants. Use type_hash_canon on the others.
852 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
853 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
855 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
857 2006-10-12 Jan Hubicka <jh@suse.cz>
860 * c-decl.c (c_make_fname_decl): Do not segfault in case where
861 current_function_decl is set but current_function_scope is not.
863 2006-10-12 Jie Zhang <jie.zhang@analog.com>
865 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
866 emit_insn to emit eh_return_internal instruction.
867 (eh_return_internal): Explicitly set pc.
869 2006-10-11 Richard Guenther <rguenther@suse.de>
871 PR tree-optimization/28230
872 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
873 to the correct place.
875 2006-10-11 Richard Guenther <rguenther@suse.de>
878 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
881 2006-10-10 Brooks Moses <bmoses@stanford.edu>
883 * configure.ac: Added pdf to "Make-hooks"
884 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
885 targets and *.pdf file patterns in cleanup targets.
886 * configure: Regenerated.
888 2006-10-10 Anatoly Sokolov <aesok@post.ru>
890 * config/avr/predicates.md: New file.
891 * config/avr/avr.md: Include it.
892 (REG_SP): New constant.
893 (peepholes): Use predicates.
894 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
895 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
896 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
898 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
900 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
903 2006-10-10 Jakub Jelinek <jakub@redhat.com>
906 * builtins.c (var_decl_component_p): New function.
907 (fold_builtin_memset, fold_builtin_memory_op): Restrict
908 single entry optimization to variables and components thereof.
910 2006-10-10 Richard Guenther <rguenther@suse.de>
912 PR rtl-optimization/29323
913 * except.c (set_nothrow_function_flags): For functions
914 that do not bind local bail out early.
916 2006-10-10 Ben Elliston <bje@au.ibm.com>
918 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
921 2006-10-09 Richard Henderson <rth@redhat.com>
925 2006-10-09 Richard Guenther <rguenther@suse.de>
928 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
931 2006-10-09 Steve Ellcey <sje@cup.hp.com>
934 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
935 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
936 * configure: Regenerate.
937 * config.in: Regenerate.
939 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
941 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
943 2006-10-08 Richard Sandiford <richard@codesourcery.com>
945 * config/mips/mips.c (mips_legitimize_tls_address): Implement
946 all TLS models in the same way as local exec if !TARGET_ABICALLS.
947 Remove stray newline.
949 2006-10-08 Richard Sandiford <richard@codesourcery.com>
951 * config/mips/mips.c (mips_classify_symbol): Do not return
952 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
953 (mips_in_small_data_p): Tweak comments.
955 2006-10-08 Richard Sandiford <richard@codesourcery.com>
957 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
959 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
961 * gimplify.c, sched-int.h: Fix comment typos.
963 * sched-int.h: Fix comment typos.
965 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
967 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
969 * sched-ebb.c (begin_schedule_ready): Use them.
970 * haifa-sched.c (schedule_insn, move_insn, try_ready,
971 add_to_speculative_block, create_check_block_twin, speculate_insn,
972 fix_jump_move, move_block_after_check): Ditto.
973 * sched-rgn.c (new_ready): Ditto.
975 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
977 PR rtl-optimization/29128
978 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
979 * sched-ebb.c (advance_target_bb): Use it to fix condition to
980 allow interblock movement of speculation checks.
982 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
985 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
986 casted to integer type.
987 (get_address_cost): Decrease cost of [symbol + index] addressing modes
988 if they are significantly more expensive than [reg + index] ones.
990 2006-10-06 Jakub Jelinek <jakub@redhat.com>
992 PR tree-optimization/29330
993 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
994 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
995 on newly allocated ddrs.
996 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
997 to VEC (loop_p, heap) pointer.
998 (compute_data_dependences_for_loop): Adjust caller.
999 (free_dependence_relations): Free DDR_LOOP_NEST.
1001 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1002 free DEPENDENCE_RELATIONS and DATAREFS.
1005 * builtins.c (expand_builtin_sync_operation,
1006 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1007 Use convert_to_mode to handle promoted arguments.
1009 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1011 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1013 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1015 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1017 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1019 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1020 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1021 Use <modeconstraint> instead of "r" as operand 1 constraint.
1023 2006-10-06 Olivier Hainque <hainque@adacore.com>
1025 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1026 Don't recurse on the pointed-to type.
1027 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1028 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1029 types with components of variable size.
1031 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1033 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1035 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1037 PR tree-optimization/29290
1038 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1042 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1043 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1046 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1047 the number of vector elements fill the rest with zeros.
1049 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1051 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1052 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1055 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1057 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1058 unnamed pattern into subsi3. Use correct constraints/predicates.
1059 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1060 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1062 2006-10-05 Ira Rosen <irar@il.ibm.com>
1064 * doc/loop.texi: Add data references analysis description.
1066 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1068 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1070 2006-10-04 Richard Henderson <rth@redhat.com>
1071 Jakub Jelinek <jakub@redhat.com>
1073 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1074 * builtin-types.def (BT_WORD): Make unsigned.
1075 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1076 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1077 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1078 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1079 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1080 * cgraph.c (decide_is_variable_needed): Look at force_output.
1081 Recurse for emulated tls.
1082 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1083 checks redundant with decide_is_variable_needed.
1084 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1085 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1087 * expr.c (emutls_var_address): New.
1088 (expand_expr_real_1): Expand emulated tls.
1089 (expand_expr_addr_expr_1): Likewise.
1090 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1091 * output.h (emutls_finish): Declare.
1092 * toplev.c (compile_file): Call it.
1093 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1094 address before wrapping in CONST.
1095 * varasm.c (emutls_htab, emutls_object_type): New.
1096 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1097 (get_emutls_object_name, get_emutls_object_type): New.
1098 (get_emutls_init_templ_addr, emutls_decl): New.
1099 (emutls_common_1, emutls_finish): New.
1100 (assemble_variable): When emulating tls, swap decls; generate
1101 constructor for the emutls objects.
1102 (do_assemble_alias): When emulating tls, swap decl and target name.
1103 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1105 * emutls.c: New file.
1106 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1107 tls_object for real tls.
1109 2006-10-04 Zack Weinberg <zackw@panix.com>
1111 Fix bug in constraint-check generator, reported by Rask Ingemann
1113 * genpreds.c (add_constraint): Don't remove anything from the
1115 (write_tm_constrs_h): Detect whether "op" argument is used, and
1116 mark it ARG_UNUSED if it isn't.
1117 (write_insn_const_int_ok_for_constraint): Skip the part of the
1118 expression that would test whether "op" (which is not available
1119 here) is a CONST_INT.
1121 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1124 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1126 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1128 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1129 current Leopard versions.
1130 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1132 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1134 * doc/install.texi: Fix typos.
1136 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1138 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1139 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1140 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1142 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1144 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1145 arg to be struct mach_header_64* instead.
1147 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1150 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1151 side effects after the outer expression's post side effects.
1153 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1155 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1156 comments to reflect actual behavior and relationship between
1157 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1159 * doc/c-tree.texi (Working with declarations): Fix documentation
1160 of FIELD_DECL likewise.
1162 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1165 * doc/extend.texi: Add used variable attribute description.
1167 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1170 * c.opt (Woverride-init): New.
1171 * c-opts.c (c_common_post_options): Default warn_override_init to
1173 * c-typeck.c (add_pending_init, output_init_element): Warn for
1174 overriding initializers without side effects.
1175 * doc/invoke.texi (-Woverride-init): Document.
1178 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1180 PR rtl-optimization/28096
1181 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1182 assignment has already been used as a destination earlier in the block.
1184 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1186 * builtins.c (expand_builtin_setjmp): Delete.
1187 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1188 <BUILT_IN_SETJMP_SETUP>: New case.
1189 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1190 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1191 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1192 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1193 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1194 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1195 (lower_function_body): Initialize it to false. If it is set to true
1196 at the end of the processing, emit the setjmp dispatcher.
1197 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1198 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1199 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1200 on the rhs of the assignment.
1201 (lower_builtin_setjmp): New function.
1202 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1203 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1204 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1205 to detect calls that can go to non-local labels. Use specific
1206 helper to create the abnormal edges associated with them.
1207 <MODIFY_EXPR>: Likewise.
1208 (make_abnormal_goto_edges): New function extracted from...
1209 (make_goto_expr_edges): ...here. Call it for computed gotos.
1210 (simple_goto_p): Minor tweak.
1211 (tree_can_make_abnormal_goto): New predicate.
1212 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1213 (tree_purge_dead_abnormal_call_edges): New function.
1214 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1215 (tree_purge_dead_abnormal_call_edges): Likewise.
1216 (make_abnormal_goto_edges): Likewise.
1217 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1218 Purge all dead abnormal edges if the call was in the last statement.
1219 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1220 (execute_fixup_cfg): If there are non-local labels in the function,
1221 scan the basic blocks and split them at calls that can go to non-local
1222 labels or add missing abnormal call edges. Write down the CFG in the
1224 (pass_fixup_cfg): Remove TODO_dump_func flag.
1225 * unwind-sjlj.c: Poison setjmp.
1226 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1227 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1228 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1229 (DONT_USE_BUILTIN_SETJMP): Document it.
1231 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1234 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1235 to 1 when __ppc64__ is defined.
1236 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1238 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1240 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1242 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1243 * config/ia64/unwind-hpux.c: Delete.
1245 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1247 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1248 on the element before gimplifying it, instead of punting if it is of
1251 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1253 * doc/loop.texi: New file.
1254 * doc/gccint.texi: Reference loop.texi.
1255 * Makefile.in (loop.texi): Add.
1257 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1259 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1261 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1262 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1264 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1266 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1268 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1270 * doc/install.texi: Document required versions of GMP and MPFR.
1272 2006-09-27 Paul Brook <paul@codesourcery.com>
1275 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1277 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1279 * reload1.c (alter_reg): Require the alignment of the stack slot to
1280 be at least reg_max_ref_width bytes.
1281 (scan_paradoxical_subregs): Record the largest width in
1284 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1288 * tree-nested.c (struct nesting_info): Added static_chain_added.
1289 (convert_call_expr): Set static_chain_added when adding static
1290 chain. Handle OMP_PARALLEL and OMP_SECTION.
1292 2006-09-25 Matthias Klose <doko@debian.org>
1294 * doc/invoke.texi: Add missing full stop.
1296 2006-09-25 Richard Henderson <rth@redhat.com>
1298 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1299 before cgraph_function_flags_ready.
1301 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1302 Adam Nemet <anemet@caviumnetworks.com>
1304 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1305 determine_common_wider_type): New functions.
1306 (get_computation_aff): Use them to simplify arithmetic between
1307 UBASE and CBASE if they are shortened from the same type.
1309 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1312 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1313 -2147483647 - 1 instead of 0x80000000.
1315 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1317 * flags.h (HONOR_NANS): Fix typo in comment.
1319 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1321 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1323 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1327 * tree.c (merge_attributes, attribute_list_contained): If both
1328 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1330 * c-typeck.c (comptypes_internal): Don't consider aggregates
1331 in different TUs as compatible if there one set of attributes is
1332 not a subset of the other type's attributes.
1333 (composite_type): Try harder not to create a new aggregate type.
1335 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1337 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1338 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1339 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1340 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1341 than replicating condition above.
1342 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1344 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1345 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1346 the linker by default.
1348 2006-09-22 Mike Stump <mrs@apple.com>
1350 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1353 2006-09-22 Richard Guenther <rguenther@suse.de>
1356 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1357 sort of stack variables stable.
1359 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1362 * explow.c (force_reg): Set REG_POINTER flag according to
1365 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1367 PR tree-optimization/28888
1368 * tree-if-conv.c (combine_blocks): Rewritten.
1369 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1370 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1372 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1374 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1377 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1379 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1381 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1383 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1385 2006-09-21 Roger Sayle <roger@eyesopen.com>
1388 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1389 dw_fde_current_label, to be the start of the function, i.e. the same
1390 value as dw_fde_begin.
1392 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1394 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1395 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1396 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1397 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1398 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1399 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1400 (abs<mode>2, neg<mode>2): Likewise.
1401 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1402 (*mips_abs_ps): New define_insn.
1404 2006-09-20 Josh Conner <jconner@apple.com>
1407 * calls.c (expand_call): Allow reuse of structure return stack
1410 2006-09-20 Paul Brook <paul@codesourcery.com>
1412 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1415 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1417 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1418 clean up terminology.
1420 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1423 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1424 with tablejumps in them.
1426 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1429 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1430 wrap it into TARGET_EXPR.
1432 2006-09-20 Eric Christopher <echristo@apple.com>
1434 * config/i386/i386.c (x86_fisttp): Remove.
1435 * config/i386/i386.h (x86_fisttp): Ditto.
1436 (TARGET_FISTTP): Ditto.
1438 2006-09-19 Eric Christopher <echristo@apple.com>
1440 * doc/tm.texi (OBJC_JBLEN): Describe.
1441 * config/i386/darwin.h (OBJC_JBLEN): Define.
1442 * config/rs6000/darwin.h: Ditto.
1444 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1446 PR rtl-optimization/21299
1447 * reload1.c (reload): Purge invalid ASMs in the final pass.
1449 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1452 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1453 pointers as legitimate constants.
1455 2006-09-19 Paul Brook <paul@codesourcery.com>
1458 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1460 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1462 PR tree-optimization/28887
1463 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1464 component parts from the reference.
1465 (gather_memory_references_ref): Record the reference without the
1466 nonaddressable component parts.
1468 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1471 * c-opts.c (c_common_handle_option): Ignore the -std options
1472 if the input language is assembly.
1474 2006-09-17 Ira Rosen <irar@il.ibm.com>
1477 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1479 (ptr_ptr_may_alias_p): Likewise.
1480 (record_record_differ_p): New function.
1481 (base_object_differ_p): Call record_record_differ_p.
1483 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1486 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1487 away for the expr argument.
1489 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1492 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1493 before using it for dumping after vectorizing loops.
1495 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1496 Jack Howarth <howarth@bromo.med.uc.edu>
1499 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1500 skip on error_mark_node.
1501 (rs6000_darwin64_record_arg_recurse): Likewise.
1503 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1505 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1506 * doc/rtl.texi: Remove related documentation.
1508 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1510 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1513 2006-09-15 Jim Wilson <wilson@specifix.com>
1515 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1516 Handle symbol offsets same as they are handled in ia64_expand_move
1519 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1521 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1522 Add forgotten parameter to the fprintf call.
1524 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1526 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1528 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1530 * doc/contrib.texi: Add my entry.
1532 2006-09-15 Nick Clifton <nickc@redhat.com>
1534 * doc/md.texi (Processor pipeline description): Fix typo in
1535 example of how to use the absence_set directive and reword the
1536 description to make it slightly easier to read.
1538 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1540 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1541 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1542 expanding the number of iterations.
1543 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1545 * cfgrtl.c (emit_insn_at_entry): New function.
1546 * rtl.h (emit_insn_at_entry): Declare it.
1547 * integrate.c (emit_initial_value_sets): Use it.
1549 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1551 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1553 (struct loop_work and related VEC declarations): Delete.
1554 (bfin_dump_loops): Print out new member bad.
1555 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1556 (bfin_scan_loop): Don't recurse.
1557 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1558 loops. No longer need to update outer loops if the current one is
1559 found bad. Move some validitiy checks to bfin_discover_loop.
1560 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1561 but changed not to check for nesting. Also changed to use the new bad
1563 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1564 time. Use bitmap based test to discover loop nesting.
1566 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1568 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1571 2006-09-14 Richard Guenther <rguenther@suse.de>
1572 Kazu Hirata <kazu@codesourcery.com>
1574 PR middle-end/28884.
1575 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1576 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1577 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1578 with TARGET_FUNCTION_VALUE.
1580 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1583 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1585 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1587 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1590 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1593 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1596 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1598 * basic_block.h (bb_has_eh_pred): Fix comment.
1600 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1602 * flow.c (calculate_global_regs_live): Invalidate eh registers
1603 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1604 (propagate_block): Handle eh registers as if they were set at basic
1606 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1608 * global.c (global_conflicts): Make eh registers to conflict with
1609 pseudos live at basic block begin.
1610 * basic_block.h (bb_has_eh_pred): New function.
1612 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1614 PR rtl-optimization/28982
1615 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1616 index of a PRE_MODIFY or POST_MODIFY address.
1617 * reload1.c (inc_for_reload): Use find_replacement on the original
1618 base and index registers.
1620 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1622 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1623 for -Os. Update __m128 alignment requirement.
1625 2006-09-13 Jan Hubicka <jh@suse.cz>
1627 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1629 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1631 PR rtl-optimization/28243
1632 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1633 the insn to which the note was originally attached.
1635 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1636 Roger Sayle <roger@eyesopen.com>
1638 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1639 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1640 on platforms that don't use dwarf for debug info.
1642 2006-09-12 Jason Merrill <jason@redhat.com>
1645 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1646 hard_frame_pointer_rtx after using it to update the frame pointer.
1648 2006-09-12 Roger Sayle <roger@eyesopen.com>
1650 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1651 (TARGET_ASM_CLOSE_PAREN): Likewise.
1652 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1653 (TARGET_ASM_CLOSE_PAREN): Likewise.
1655 2006-09-12 Roger Sayle <roger@eyesopen.com>
1658 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1659 frame information for frames larger than 512 Kbytes on Tru64 when
1660 using the native assembler.
1662 2006-09-12 Roger Sayle <roger@eyesopen.com>
1666 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1667 and symbols. Instead use the implementation from cse.c's hash_rtx.
1669 2006-09-12 Jan Hubicka <jh@suse.cz>
1671 PR rtl-optimization/28071
1672 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1673 (vect_transform_loop): Likewise.
1674 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1675 (new_loop_vec_info): Likewise.
1676 (destroy_loop_vec_info): Likewise.
1677 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1678 (create_stmt_ann): Likewise.
1679 (create_tree_ann): Rename to ...
1680 (create_tree_common_ann): ... this one; allocate only the common part
1682 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1683 (get_value_handle): Likewise.
1684 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1685 get_tree_common_ann.
1686 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1687 (vinfo_for_stmt): Use stmt annotations.
1688 * tree-flow.h (tree_ann_common_t): New type.
1689 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1690 (tree_ann, get_tree_ann, create_tree_ann): New.
1691 * tree-flow-inline.h (get_function_ann): Do more type checking.
1692 (stmt_ann): Likewise.
1693 (tree_ann): Rename to ...
1694 (tree_common_ann): ... this one; return ony common_ann
1695 (get_tree_ann): Rename to ...
1696 (tree_common_ann): This one; return only common_ann.
1697 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1700 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1702 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1703 with_cpu by default.
1705 * dwarf2out.c (dwarf_file_data): New.
1706 (enum dw_val_class): Add dw_val_class_file.
1707 (struct dw_val_struct): Add val_file.
1708 (file_table): Change to a hash table.
1709 (file_table_emitted): Delete.
1710 (file_table_last_lookup_index): Delete.
1711 (emitcount): Delete.
1712 (last_emitted_file): New.
1713 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1714 (init_file_table): Delete.
1715 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1716 (AT_addr): Add comment.
1720 (print_die): Handle dw_val_class_file.
1721 (print_dwarf_line_table): Update for new file table structure.
1722 (attr_checksum): Do checksum a filename.
1723 (same_dw_val_p, same_attr_p): Do compare a filename.
1724 (size_of_die): Handle dw_val_class_file.
1725 (value_format): Likewise.
1726 (output_die): Likewise. Also, call maybe_emit_file here.
1727 (struct file_info): Constify filenames. Make file_idx a pointer
1728 to a struct dwarf_file_data.
1729 (struct dir_info): Constify directory names. Remove 'used' field.
1730 (struct file_name_acquire_data): New.
1731 (file_name_acquire): New.
1732 (output_file_names): Modify to handle new file data structures.
1733 (add_src_coords_attributes): Use add_AT_file.
1734 (add_call_src_coords_attributes): Likewise.
1735 (dwarf2out_imported_module_or_decl): Likewise.
1736 (gen_subprogram_die): Modify for new file data structures.
1737 (gen_variable_die): Likewise.
1738 (file_table_eq): New.
1739 (file_table_hash): New.
1740 (file_table_last_lookup): New.
1741 (lookup_filename): Rewrite to handle new file data structures.
1742 (maybe_emit_file): Rewrite to handle new file data structures.
1743 (dwarf2out_source_line): Always call lookup_filename and
1745 (dwarf2out_init): Create file_table here.
1746 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1747 (file_table_relative_p): New.
1748 (dwarf2out_finish): Change detection of relative filenames
1749 to work with new file data structures. Move output_line_info call
1750 after debug_info output.
1752 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1757 * config/i386/i386.c (override_options): Always default to 16
1758 byte stack boundary.
1760 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1763 * var-tracking.c (dump_dataflow_set): Start dumping at
1765 (clobber_variable_part): Kill only the variable part in
1766 registers holding it, leaving other variables alone.
1768 2006-09-11 Josh Triplett <josh@freedesktop.org>
1770 * doc/extend.texi (Other Builtins): Actually use the macro
1771 argument in the documentation example for
1772 __builtin_types_compatible_p.
1774 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1776 PR rtl-optimization/28726
1777 * sched-deps.c (sched_analyze_reg): New function extracted from...
1778 (sched_analyze_1): ...here. Call it to analyze references to
1779 registers. Treat again writes to a stack register as writing to the
1781 (sched_analyze_2): ...and here. Call it to analyze references to
1782 registers. Treat again reads of a stack register as reading the
1785 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1786 David Edelsohn <edelsohn@gnu.org>
1789 * config/rs6000/spe.md (frob_df_di): Remove %H.
1790 (frob_di_df): Remove %H. Change evmergelo to mr.
1791 (frob_di_df_2): Remove %H. Change evldd to two loads.
1793 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1795 * doc/cpp.texi: Fix names of charset options.
1797 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1800 * config/i386/i386.c (override_options): Use 128-bit
1801 stack boundary always for 64bits.
1803 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1805 PR rtl-optimization/28636
1806 * combine.c (force_to_mode): Test for side-effects before
1807 substituting by zero.
1808 (simplify_shift_const): Likewise for zero or other constants.
1810 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1813 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1816 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1819 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1820 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1821 returned by mode_for_size, rather than the mode of src itself,
1822 to choose between 32-bit and 64-bit patterns.
1823 (mips_mem_fits_mode_p): New function.
1824 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1825 that the size of the source matches the size of the destination.
1826 (mov_<store>l, mov_<store>r): Likewise.
1828 2006-09-10 Eric Christopher <echristo@apple.com>
1830 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1833 2006-09-09 Eric Christopher <echristo@apple.com>
1836 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1839 2006-09-09 Roger Sayle <roger@eyesopen.com>
1840 Nicolas Setton <setton@adacore.com>
1842 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1844 2006-09-10 Andreas Schwab <schwab@suse.de>
1846 * config/m68k/m68k.md (bungt_rev): New pattern.
1848 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1849 Dale Johannesen <dalej@apple.com>
1852 * regclass.c (struct reg_pref): Update documentation.
1853 (regclass): Set prefclass to NO_REGS if memory is the best option.
1854 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1856 2006-09-08 Eric Christopher <echristo@apple.com>
1858 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1859 * config/t-slibgcc-darwin: Support x86_64 multilib.
1860 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1861 Return 1 for x86_64-darwin.
1862 * config/i386/t-darwin: Add m64 multilib.
1863 (LIB2_SIDITI_CONV_FUNCS): Use.
1864 (LIB2FUNCS_EXTRA): Ditto.
1865 * config/i386/darwin.h: Support x86_64.
1866 * config/i386/i386.c (override_options): Turn on flag_pic
1867 for x86_64-darwin. Disable flag_omit_pointer.
1868 (get_pc_thunk_name): Assert !TARGET_64BIT.
1869 (legitimate_address_p): Disable machopic addressing for
1871 (legitimize_pic_address): Ditto.
1872 (ix86_expand_move): Ditto.
1873 (ix86_expand_call): Ditto.
1874 (machopic_output_stub): Ditto.
1875 * config/darwin.c (machopic_select_section): Support literal16.
1876 (machopic_select_rtx_section): Ditto.
1877 * config/darwin-sections.def: Ditto.
1878 * config/darwin-64.c: New.
1880 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1883 * c-tree.h (struct c_arg_info): Add pending_sizes.
1884 * c-parser.c (c_parser_parms_declarator,
1885 c_parser_parms_list_declarator): Initialize pending_sizes.
1886 * c-decl.c (get_parm_info): Initialize pending_sizes.
1887 (get_parm_info): Set pending_sizes.
1888 (grokdeclarator): Call put_pending_sizes for parameters for
1889 function definition only.
1891 2006-09-07 Jason Merrill <jason@redhat.com>
1894 * varasm.c (output_constant): Only strip actual no-op conversions.
1897 * config/i386/i386.c (override_options): Use 128-bit
1898 stack boundary if -msse.
1900 2006-09-07 Eric Christopher <echristo@apple.com>
1902 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1904 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1907 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1909 * dwarf2out.c: Remove strange characters from comment above
1910 dwarf2out_frame_debug_expr.
1912 2006-09-07 Eric Christopher <echristo@apple.com>
1914 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1915 * config/darwin.h: ... to here.
1917 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1919 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1921 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1922 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1924 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1925 TARGET_PARTIAL_FLAG_REG_STALL.
1926 (*ashldi3_cconly_rex64): Likewise.
1927 (*ashlsi3_cmp): Likewise.
1928 (*ashlsi3_cconly): Likewise.
1929 (*ashlsi3_cmp_zext): Likewise.
1930 (*ashlhi3_cmp): Likewise.
1931 (*ashlhi3_cconly): Likewise.
1932 (*ashlqi3_cmp): Likewise.
1933 (*ashlqi3_cconly): Likewise.
1934 (*ashrdi3_cmp_rex64): Likewise.
1935 (*ashrdi3_cconly_rex64): Likewise.
1936 (*ashrsi3_cmp): Likewise.
1937 (*ashrsi3_cconly): Likewise.
1938 (*ashrsi3_cmp_zext): Likewise.
1939 (*ashrhi3_cmp): Likewise.
1940 (*ashrhi3_cconly): Likewise.
1941 (*ashrqi3_cmp): Likewise.
1942 (*ashrqi3_cconly): Likewise.
1943 (*lshrdi3_cmp_rex64): Likewise.
1944 (*lshrdi3_cconly_rex64): Likewise.
1945 (*lshrsi3_cmp): Likewise.
1946 (*lshrsi3_cconly): Likewise.
1947 (*lshrsi3_cmp_zext): Likewise.
1948 (*lshrhi3_cmp): Likewise.
1949 (*lshrhi3_cconly): Likewise.
1950 (*lshrqi2_cmp): Likewise.
1951 (*lshrqi2_cconly): Likewise.
1953 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1956 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1957 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1958 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1959 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1960 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1961 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1962 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1963 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1964 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1965 implement only CC setting effects of shift instructions.
1967 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1969 * doc/contrib.texi: Add myself.
1971 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1974 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1975 was set by the user.
1977 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1980 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1981 (divsi_inv_m1): Use them.
1982 (UNSPEC_DIV_INV_TABLE): New constant.
1984 2006-09-06 James E Wilson <wilson@specifix.com>
1987 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1988 then call count_or_remove_death_notes.
1990 2006-09-06 Jason Merrill <jason@redhat.com>
1993 * tree-inline.c (copy_result_decl_to_var): New fn.
1994 (declare_return_variable): Use it. Call declare_inline_vars here.
1995 (expand_call_inline): Not here.
1997 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1999 * doc/contrib.texi: Update my entry.
2001 2006-09-06 Nick Clifton <nickc@redhat.com>
2003 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2005 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2008 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2009 (canonicalize_induction_variables): Likewise.
2010 (tree_unroll_loops_completely): Likewise.
2011 (tree_ssa_prefetch_arrays): Likewise.
2012 (remove_empty_loops): Likewise.
2013 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2014 TODO_cleanup_cfg instead of directly calling
2015 cleanup_tree_cfg_loop.
2016 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2018 (tree_unroll_loops_completely): Likewise.
2019 (remove_empty_loops): Likewise.
2020 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2021 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2022 of tree_ssa_unswitch_loops.
2023 (tree_ssa_loop_ivcanon): Use the return value of
2024 canonicalize_induction_variables.
2025 (tree_ssa_empty_loop): Use the return value of
2027 (tree_complete_unroll): Use the return value of
2028 tree_unroll_loops_completely.
2029 (tree_ssa_loop_prefetch): Use the return value of
2030 tree_ssa_prefetch_arrays.
2031 * passes.c (execute_todo): Before Cleanup CFG, set
2032 updating_used_alone and after cleanup CFG, call
2033 recalculate_used_alone.
2035 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2038 * tree-vect-transform.c (vectorizable_condition): Move the check
2039 for the type after the check for simple condition.
2041 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2042 Kaz Kojima <kkojima@gcc.gnu.org>
2045 * mode-switching.c (optimize_mode_switching): Make the destination
2046 block of an abnormal edge have no anticipatable mode. Don't
2047 insert mode switching code at the end of the source block of
2050 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2052 PR rtl-optimization/26847
2053 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2054 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2055 (simplify_plus_minus): Count n_constants while filling ops. Replace
2056 qsort with insertion sort. Before going through the array to simplify
2057 pairs, sort it. Delay early exit until after the first sort, exiting
2058 only if no swaps occurred. Simplify pairs in reversed order, without
2059 special-casing the first iteration. Pack ops after simplifying pairs.
2061 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2063 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2064 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2065 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2066 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2068 2006-09-05 Richard Guenther <rguenther@suse.de>
2070 PR tree-optimization/28900
2071 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2072 compound conditional before creating COND_EXPR condition.
2074 2006-09-05 Richard Guenther <rguenther@suse.de>
2076 PR tree-optimization/28905
2077 * tree-vrp.c (fix_equivalence_set): Manually implement
2078 !value_ranges_intersect_p to also handle symbolic ranges.
2080 2006-09-05 Richard Guenther <rguenther@suse.de>
2083 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2086 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2088 PR rtl-optimization/27616
2089 * cse.c (table_size): New static variable.
2090 (new_basic_block): Initialize it to 0.
2091 (remove_from_table): Decrement it.
2092 (insert): Increment it.
2093 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2094 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2095 fold_rtx_mem_1 if under the cap.
2096 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2097 the lookup of the equivalent expression and test for equality of the
2098 first operand of the equivalent expression before in turn looking up
2099 an equivalent constant for the second operand.
2101 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2104 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2105 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2106 pointer, instead of assuming it is possible to derive the
2107 correct args size from a call insn.
2109 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2112 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2113 (fold_builtin_mempcpy): Rename to...
2114 (fold_builtin_memory_op): ... this. Optimize one element copy
2116 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2118 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2119 (expand_builtin_memcpy, expand_builtin_mempcpy,
2120 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2121 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2122 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2123 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2125 2006-09-01 DJ Delorie <dj@redhat.com>
2127 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2128 (stzx_16): Likewise.
2129 ("stzx_24_<mode>"): Likewise.
2130 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2131 ("cmp<mode>_op"): New.
2132 (cmp<mode>): Change to expander; just save operands.
2134 (b<code>): Change to expander, emit compare here.
2135 (s<code>_op): Change to use split and expander.
2136 (s<code>_24_op): Likewise.
2137 (s<code>_<mode>): New.
2138 (s<code>_<mode>_24): New.
2139 (movqicc_<code>_<mode): New.
2140 (movhicc_<code>_<mode>): New.
2143 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2144 (m32c_pend_compare): New.
2145 (m32c_unpend_compare): New.
2146 (m32c_expand_scc): New.
2147 (m32c_expand_movcc): Emit the compare also.
2148 * config/m32c/predicates.md (mra_nopp_operand): New.
2150 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2151 Richard Guenther <rguenther@suse.de>
2152 Adam Nemet <anemet@caviumnetworks.com>
2155 * builtins.c (get_pointer_alignment): Handle more forms
2156 of base addresses that can be used to derive more precise
2157 information about alignment.
2159 2006-09-01 Jason Merrill <jason@redhat.com>
2162 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2165 * gimplify.c (voidify_wrapper_expr): Handle null type.
2167 2006-09-01 Josh Conner <jconner@apple.com>
2170 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2171 (execute_return_slot_opt): Use it.
2173 2006-08-31 Josh Conner <jconner@apple.com>
2176 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2177 returning aggregates.
2179 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2181 PR tree-optimization/28839
2182 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2183 blocks in that phi arguments appear.
2185 2006-08-31 Roger Sayle <roger@eyesopen.com>
2188 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2189 NULL, otherwise use an advance_loc4 to adjust relative to the
2191 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2192 (dwarf2out_switch_text_section): Reset the current label to avoid
2193 using advance_loc4 over section boundaries.
2195 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2198 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2199 r12 + SYMBOLIC_CONST.
2201 2006-08-30 Richard Guenther <rguenther@suse.de>
2203 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2205 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2207 PR rtl-optimization/27735
2208 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2209 Add new argument to keep track of whether an irreducible region
2210 was affected. All callers changed.
2211 (fix_irreducible_loops): Removed.
2212 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2213 flags were invalidated.
2215 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2217 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2218 instead of SF operands.
2219 (*fop_df_comm_sse): Likewise.
2220 (*fop_df_comm_i387): Likewise.
2221 (*fop_df_1_mixed): Likewise.
2222 (*fop_df_1_sse): Likewise.
2224 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2225 J"orn Rennecke <joern.rennecke@st.com>
2227 PR tree-optimization/17506
2228 * tree-ssa.c (warn_uninit): If warning about a location outside of
2229 the current function, note where the variable was declared.
2231 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2233 PR tree-optimization/28411
2234 * double-int.c (double_int_div): Use double_int_divmod.
2235 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2236 double_int_mod, double_int_smod, double_int_umod): New functions.
2237 * double-int.h (double_int_divmod, double_int_sdivmod,
2238 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2240 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2242 (get_computation_aff, get_computation_cost_at): Handle double_int
2243 return type of constant_multiple_of.
2245 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2248 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2249 an implicit conversion.
2251 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2253 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2255 2006-08-27 Roger Sayle <roger@eyesopen.com>
2257 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2260 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2262 * config/i386/crtfastmath.c: Fix a comment typo.
2264 2006-08-26 Roger Sayle <roger@eyesopen.com>
2266 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2267 temporary visit flags on CASE_LABEL_EXPRs.
2268 * c-common.c (match_case_to_enum): Add function comment. Avoid
2269 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2270 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2271 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2272 a constant, only warn if that constant value isn't handled.
2274 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2277 * input.h (restore_input_file_stack): Declare.
2278 (INPUT_FILE_STACK_BITS): Define.
2279 * toplev.c (fs_p, input_file_stack_history,
2280 input_file_stack_restored, restore_input_file_stack): New.
2281 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2282 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2283 (pop_srcloc): Don't free old state of stack.
2285 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2288 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2289 (PowerPC Type Attributes): New.
2291 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2293 * config/xtensa/xtensa.c (function_arg_boundary): New.
2294 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2296 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2297 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2299 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2302 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2305 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2307 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2308 (verify_local_live_at_start): Likewise.
2310 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2313 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2314 omp_add_variable): Treat sizes as variable whenever not
2317 2006-08-26 Richard Guenther <rguenther@suse.de>
2320 * fold-const.c (fold_binary): Fold temporary to correct
2321 type before constructing new comparison.
2323 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2326 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2327 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2329 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2332 * c-decl.c (start_function): Don't try to process prototype
2333 information from old declaration that isn't a function.
2335 2006-08-25 Jan Hubicka <jh@suse.cz>
2338 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2340 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2343 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2346 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2348 PR tree-optimization/16876
2349 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2350 exit if PARM doesn't match VALUE.
2352 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2354 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2355 literal_prefix directive.
2356 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2357 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2358 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2360 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2363 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2364 predicate to general_operand. Add 0->y and I->r alternatives.
2366 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2368 * doc/tm.texi: Fix a typo.
2369 * predict.c: Fix comment typos.
2371 2006-08-25 Nick Clifton <nickc@redhat.com>
2373 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2374 assertions of "cpu" and "machine".
2376 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2379 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2380 the access through a base which has an alias set of 0 cannot
2383 2006-08-24 Bill Wendling <wendling@apple.com>
2385 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2387 2006-08-24 Jan Hubicka <jh@suse.cz>
2389 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2391 2006-08-24 Jan Hubicka <jh@suse.cz>
2394 * cgraph.c: Fix comments.
2395 (cgraph_varpool_mark_needed_node): Mark only variables not already
2397 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2398 (cgraph_varpool_assembled_nodes_queue): New static variable.
2399 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2400 (cgraph_varpool_output_debug_info): New function.
2401 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2402 * Makefile.in: Add gt-cgraphunit.h
2404 2006-08-24 Jan Hubicka <jh@suse.cz>
2406 * predict.c (probability_reliable_p): New predicate.
2407 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2408 (predict_loops): Do not predict loop exit with less than 2%
2410 * basic-block.h (edge_probability_reliable_p,
2411 br_prob_note_reliable_p): Declare.
2412 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2413 prediction when static predictor is not reliable.
2414 * rs6000.c (output_cbranch): Likewise.
2416 2006-08-23 Stuart Hastings <stuart@apple.com>
2419 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2420 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2422 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2425 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2426 complex values, nor for generic vector values.
2428 2006-08-22 Richard Guenther <rguenther@suse.de>
2431 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2432 parameter. Convert arguments to arithmetic expression to the
2434 (analyze_scalar_evolution_1): Adjust caller.
2436 2006-08-22 Jan Hubicka <jh@suse.cz>
2438 Patch by Paolo Bonzini
2439 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2442 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2444 PR tree-optimization/28003
2445 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2446 before grouping aliases.
2448 2006-08-22 Roger Sayle <roger@eyesopen.com>
2450 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2451 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2453 2006-08-21 Jason Merrill <jason@redhat.com>
2456 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2457 wrapper. Loop to handle nested wrappers.
2458 (gimplify_bind_expr): Remove temp parameter.
2459 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2460 and STATEMENT_LIST on the rhs.
2461 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2462 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2463 (gimplify_target_expr): Remove special BIND_EXPR handling.
2465 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2467 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2470 2006-08-21 Olivier Hainque <hainque@adacore.com>
2472 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2473 Arrange for the temporary captures of components overlapping the lhs
2474 to happen before the lhs is possibly cleared.
2476 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2478 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2479 necessary places to pass the correct "number of registers" values
2482 2006-08-20 Jan Hubicka <jh@suse.cz>
2484 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2485 (create_name_tags): Instead of quadratic checking use hashtable.
2486 * bitmap.h: Include hashtab.h.
2487 (bitmap_hash): Declare.
2488 * bitmap.c (bitmap_hash): New function.
2490 2006-08-20 Jan Hubicka <jh@suse.cz>
2492 PR rtl-optimization/28071
2493 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2495 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2496 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2497 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2498 cgraph_decide_inlining_incrementally): Update use of
2499 cgraph_check_inline_limits.
2500 * cgraph.c (edge_hash, edge_eq): New function.
2501 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2502 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2503 cgraph_remove_node): Maintain call site hash.
2504 * cgraph.h (struct cgraph_node): Add call_site_hash.
2505 (cgraph_set_call_stmt): New function.
2507 2006-08-20 Jan Hubicka <jh@suse.cz>
2509 PR rtl-optimization/28071
2510 * reload1.c (reg_has_output_reload): Turn into regset.
2511 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2512 choose_reload_regs, emit_reload_insns): Update to new
2513 reg_has_output_reload.
2515 2006-08-20 Jan Hubicka <jh@suse.cz>
2518 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2519 function body sizes.
2520 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2522 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2525 * tree.c (handle_dll_attribute): Return early if not a
2526 var or function decl.
2528 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2531 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2532 alignment of SPE vector types.
2534 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2536 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2538 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2541 * cgraph.h (struct cgraph_node): Remove externally_visible
2543 * cgraphunit.c (process_function_and_variable_attributes): Set
2544 local.externally_visible rather than externally_visible.
2547 * c-common.c (handle_externally_visible_attribute): First look
2548 at TREE_CODE and only if it is function or var decl, check for
2549 non-public objects. Don't warn for DECL_EXTERNAL.
2550 * cgraphunit.c (process_function_and_variable_attributes): Warn
2551 if externally_visible attribute is used on non-public object.
2553 2006-08-17 Jan Hubicka <jh@suse.cz>
2555 PR tree-optimization/27865
2556 * reload1.c (forget_marked_reloads): New function.
2557 (forget_old_reloads_1): When data are passed, just mark the registers
2559 (reload_as_needed): Use the new mechanizm.
2561 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2564 * reload.h (reg_equiv_alt_mem_list): New declaration.
2565 * reload1.c (reg_equiv_alt_mem_list): New definition.
2566 (reload): Initialize it and release it.
2567 (delete_output_reload): Use it.
2568 * reload.c (push_reg_equiv_alt_mem): New function.
2569 (find_reloads_toplev): Call it.
2570 (find_reloads_address, find_reloads_address_1): Likewise.
2571 (find_reloads_subreg_address): Likewise.
2573 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2575 PR rtl-optimization/28489
2576 * sched-ebb.c (begin_schedule_ready): Create basic block
2578 (advance_target_bb): Skip empty blocks.
2579 * haifa-sched.c (bb_note): Make global.
2580 * sched-int.h (bb_note): Add prototype.
2582 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2584 PR tree-optimization/27865
2585 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2587 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2588 fold_used_pointer, pointer_used_p): New functions.
2589 (analyze_scalar_evolution_1): Use fold_used_pointer.
2590 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2591 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2594 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2597 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2598 or the INTEGER_CST. Fail on a CALL_EXPR.
2599 (fold_offsetof): Pass new argument to fold_offsetof_1.
2600 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2601 operand into an INDIRECT_REF.
2602 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2604 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2606 PR gcov/profile/26570
2607 * value-prof.c (static_values): Removed.
2608 (tree_find_values_to_profile): Do not set static_values.
2609 (find_values_to_profile): Do not free static_values.
2610 * profile.c (instrument_values): Do not free the values.
2611 (branch_prob): Free the values.
2613 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2615 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2617 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2620 * c-typeck.c (build_component_ref): Combine qualifiers of
2621 structure or union and field.
2623 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2625 PR rtl-optimization/28071
2626 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2627 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2628 * tree-into-ssa.c (struct dom_dfsnum): New.
2629 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2631 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2632 compute_global_livein.
2633 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2634 in phi nodes in the correct blocks.
2636 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2638 PR tree-optimization/28364
2639 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2641 (fold_affine_expr): New function.
2642 (may_eliminate_iv): Use fold_affine_expr.
2644 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2647 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2650 2006-08-16 Mike Stump <mrs@apple.com>
2652 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2653 * doc/cppopts.texi (-MD): Likewise.
2655 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2658 * c-common.c (handle_weak_attribute): Ignore and warn if
2659 not a FUNCTION_ or VAR_DECL.
2661 2006-07-15 Mike Stump <mrs@apple.com>
2664 * c-parser.c (c_parser_typeof_specifier): Don't use
2665 c_finish_expr_stmt, open code desired semantics instead.
2667 2006-08-15 Nick Clifton <nickc@redhat.com>
2669 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2670 fragment to tmake_file only if threads are enabled.
2671 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2672 * config/i386/t-gthr-win32: New file. ... here.
2674 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2677 * c-parser.c (c_parser_compound_statement_nostart): Reset
2678 parser->error after each statement.
2680 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2683 * omp-low.c (lower_omp_parallel): Convert t to
2684 receiver_decl's type.
2685 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2686 source before comparison.
2689 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2690 to itype in assignment to oldival2.
2692 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2696 * c-typeck.c (build_compound_expr): If the second expression
2697 is an error mark, then just return an error mark instead of
2698 creating a COMPOUND_EXPR.
2700 2006-07-14 Mike Stump <mrs@apple.com>
2702 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2704 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2706 * c-decl.c, var-tracking.c: Fix comment typos.
2708 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2710 PR rtl-optimization/28634
2711 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2712 for floating-point modes unless flag_unsafe_math_optimizations.
2714 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2715 Andrew Pinski <pinskia@physics.uc.edu>
2718 * tree.c (build_array_type): Unify array types with
2719 unspecified index_type.
2720 * c-decl.c (grokdeclarator): Make sure we do not modify a
2721 unified incomplete array type.
2722 * c-typeck.c (store_init_value): Create distinct type before
2723 filling in the index type in an initializer from a compound
2726 * c-decl.c (grokdeclarator): Remove code where we copy the
2729 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2731 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2732 into account for TODO_dump_cgraph.
2733 (TODO_update_ssa_no_phi): Likewise.
2734 (TODO_update_ssa_full_phi): Likewise.
2735 (TODO_update_ssa_only_virtuals): Likewise.
2736 (TODO_remove_unused_locals): Likewise.
2737 (TODO_set_props): Likewise.
2738 (TODO_update_stmt_usage): Likewise.
2740 2006-08-13 Dirk Mueller <dmueller@suse.de>
2742 * c-common.c (strict_aliasing_warning): Fix formatting.
2744 2006-08-13 Matthias Klose <doko@debian.org>
2746 * doc/invoke.texi: Fix spelling errors.
2748 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2750 PR rtl-optimization/23454
2751 * reorg.c (relax_delay_slots): Update comment.
2753 2006-08-11 Richard Guenther <rguenther@suse.de>
2756 * simplify-rtx.c (simplify_const_relational_operation):
2757 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2760 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2762 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2763 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2765 2006-08-10 Paul Brook <paul@codesourcery.com>
2767 * final.c (final_scan_insn): Clear current_insn_predicate before
2768 outputting inline asm.
2770 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2772 PR tree-optimization/26197
2773 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2774 get_ref_base_and_extent and overlap_subvar to add only relevant
2775 subvars as may-aliases.
2776 (add_may_alias_for_new_tag): New function, factored out of
2778 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2779 with additional argument.
2780 * tree-flow.h (new_type_alias): Takes additional argument.
2782 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2784 * gcov.c (no_data_file): New flag.
2785 (read_count_file): Set it if data file not present. Assume counts
2787 (output_lines): Don't name the data file, if there wasn't one.
2789 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2791 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2792 (rs6000_generate_compare): Tweak comments.
2793 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2795 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2797 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2798 (var_debug_decl): New function.
2799 (var_reg_set): Follow debug decl link. Add location even if
2800 reg is already known to hold some other variable.
2801 (var_mem_set): Follow debug decl link.
2802 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2803 decl link. Delete other known locations of the variable part
2805 (var_reg_delete, var_mem_delete): Delete other known locations
2806 of the variable part if requested.
2807 (same_variable_part_p): New function.
2808 (add_stores): Select MO_COPY when appropriate.
2809 (vt_initialize): Handle it.
2810 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2811 known locations for MO_SET and MO_CLOBBER.
2812 (find_variable_location_part): New function.
2813 (set_variable_part, delete_variable_part): Use it.
2814 (clobber_variable_part): New function.
2815 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2818 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2820 PR tree-optimization/26969
2821 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2822 with an empty list of PHIs.
2824 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2828 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2831 2006-08-06 Andreas Schwab <schwab@suse.de>
2833 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2834 string. Whitespace and comment fixup.
2836 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2839 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2843 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2846 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2848 2006-08-04 Jan Hubicka <jh@suse.cz>
2852 * reload.c (push_reload): Patch out the mismatching instruction;
2854 (find_reload): Bail out if the instruction was patched out.
2856 2006-08-04 Jan Hubicka <jh@suse.cz>
2858 PR tree-optimization/24888
2859 * tree-inline.c (expand_call_inline): Do not re-record variables.
2860 (declare_inline_vars): Add variable to unexpanded_var_list.
2862 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2863 Roger Sayle <roger@eyesopen.com>
2865 PR rtl-optimization/26244
2866 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2867 inner_const are negative or greater than or equal to the bitsize of
2868 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2869 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2870 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2871 CONST0_RTX (mode) when the new shift count is greater than or equal to
2872 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2875 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2877 * tree-cfg.c: Fix a comment typo.
2879 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2882 * varasm.c (output_constant): Give the front end another chance to
2883 expand constants, after stripping NOPs.
2885 2006-08-03 Jan Hubicka <jh@suse.cz>
2887 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2890 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2892 PR tree-optimization/27770
2893 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2894 declaration removed (moved to tree-flow.h).
2895 (vect_can_force_dr_alignment_p): Likewise.
2896 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2897 (moved from tree-vectorizer.h).
2898 (vect_can_force_dr_alignment_p): Likewise.
2899 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2900 from outside the vectorizer - in particular from cgraph stage.
2901 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2902 the alignment of global arrays when -fsection-anchors is enabled.
2903 * cgraphunit.c (cgraph_increase_alignment): New function.
2904 (cgraph_optimize): Call cgraph_increase_alignment.
2906 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2909 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2910 not reload a SPE symbol_ref into a lo_sum address.
2912 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2915 * dwarf2out.c (prune_unused_types_prune): Move call to
2916 prune_unused_types_update_strings to cover the parent DIE also.
2918 2006-08-02 Jan Hubicka <jh@suse.cz>
2920 PR gcov/profile/28480
2921 * tree-cfg.c (change_bb_for_stmt): New function.
2922 (tree_merge_blocks, tree_split_blocks): Use it.
2924 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2930 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2931 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2932 (cgraph_optimize): Likewise.
2934 2006-08-01 Stuart Hastings <stuart@apple.com>
2936 * rtl.h (UINTVAL) New.
2937 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2938 * testsuite/gcc.dg/20060801-1.c: New.
2940 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2943 * c-typeck.c (build_external_type): Mark used enum types.
2944 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2946 (gen_subprogram_die): Whitespace fix.
2948 2006-08-01 Jan Hubicka <jh@suse.cz>
2950 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2951 bitmap when not needed.
2952 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2955 2006-08-01 Dirk Mueller <dmueller@suse.de>
2957 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2959 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2961 * Makefile.in: Revert part of previous patch:
2962 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2965 2006-07-30 Eric Christopher <echristo@apple.com>
2968 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2969 (PowerPC Variable Attributes): New section.
2971 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2973 PR target/28126 (partial fix)
2974 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2976 2006-07-28 Jan Hubicka <jh@suse.cz>
2978 PR rtl-optimization/28071
2979 * cfgrtl.c (rtl_delete_block): Free regsets.
2980 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2982 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2984 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2985 and variables used in dependencies.
2987 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2989 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2990 %fs for -mcmodel=kernel.
2991 (stack_tls_protect_test_di): Likewise.
2993 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2995 * Makefile.in: Use mkinstalldirs.
2997 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3000 * opts-common.c (prune_options): Skip joined switches.
3002 2006-07-27 Jan Hubicka <jh@suse.cz>
3004 PR rtl-optimization/28071
3005 * cselib.c (cselib_process_insn): Don't remove useless values too
3006 often for very large hashtables.
3008 2006-07-27 Jan Hubicka <jh@suse.cz>
3010 PR rtl-optimization/28071
3011 * global.c (greg_obstack): New obstack.
3012 (allocate_bb_info): Use it.
3013 (free_bb_info): Likewise.
3014 (modify_reg_pav): Likewise.
3016 2006-07-27 Roger Sayle <roger@eyesopen.com>
3018 * builtins.c (fold_fixed_mathfn): When long and long long are the
3019 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3020 functions to their lceil*, lfloor*, lround* and lrint* forms.
3022 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3025 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3027 (rev_branch_insn): Likewise.
3029 2006-07-27 Jan Hubicka <jh@suse.cz>
3031 PR rtl-optimization/28071
3032 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3033 (reg_set_in_bb, max_reg_computed): New static variables.
3034 (regmove_optimize): Free the new array.
3035 (fixup_match_1): Update call of reg_is_remote_constant_p.
3037 2006-07-26 Jan Hubicka <jh@suse.cz>
3039 PR tree-optimization/27882
3040 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3042 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3044 (cgraph_analyze_compilation_unit): Likewise.
3045 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3046 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3047 (cgraph_early_inlinine): Make order garbage collected.
3048 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3050 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3052 * dbxout.c (output_types_sort): Add a comment.
3053 (output_used_types): Free the VEC.
3055 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3057 * function.c (reorder_fix_fragments): Delete.
3058 (reorder_blocks): Don't call it.
3059 (reorder_blocks_1): Put all subblocks under the origin block.
3061 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3063 PR rtl-optimization/27907
3064 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3067 2006-07-25 Roger Sayle <roger@eyesopen.com>
3070 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3071 bar(x) check that bar's result type can represent all the values of T.
3073 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3075 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3077 2006-07-25 Nick Clifton <nickc@redhat.com>
3079 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3080 size_lookup[] array.
3081 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3082 (ggc_pch_count_object): Likewise.
3083 (ggc_pch_alloc_object): Likewise.
3084 (ggc_pch_write_object): Likewise.
3085 (init_ggc): Do not attempt to initialize entries in the
3086 size_lookup[] array for objects whose size is greater than than
3087 the length of the array.
3089 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3091 * dbxout.c (output_used_types_helper): Push queued types
3093 (output_types_sort): New.
3094 (output_used_types): Collect used types on a VEC and sort them
3097 2006-07-24 Richard Guenther <rguenther@suse.de>
3100 * cgraph.c (cgraph_remove_node): Do not check if dumps
3102 * cgraphunit.c (cgraph_optimize): Likewise.
3104 2006-07-24 Jan Hubicka <jh@suse.cz>
3106 PR rtl-optimization/28071
3107 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3108 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3109 splitting before first stmt.
3111 2006-07-24 Jan Hubicka <jh@suse.cz>
3113 PR rtl-optimization/28071
3114 * ipa-inline.c (update_caller_keys): Remove edges that
3115 are no longer inline candidates.
3117 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3120 * dbxout.c (output_used_types_helper, output_used_types): New.
3121 (dbxout_symbol): Call output_used_types.
3123 2006-07-23 Jan Hubicka <jh@suse.cz>
3127 * cgraph.c (cgraph_varpool_nodes): Export.
3128 (decide_is_variable_needed): Ignored "used" attribute in
3129 unit-at-a-time mode.
3130 * cgraph.h (cgraph_varpool_nodes): Declare.
3131 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3132 unit-at-a-time mode.
3134 2006-07-23 Roger Sayle <roger@eyesopen.com>
3137 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3138 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3139 the __gthrw form of thr_keycreate.
3140 (__gthread_key_delete): Silence the unused argument warning.
3142 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3145 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3146 Cache the last found '\0' marker to avoid quadratic behavior.
3148 2006-07-23 Jan Hubicka <jh@suse.cz>
3150 * i386.md (subsi_3_zext): Fix output template.
3152 2006-07-21 Mike Stump <mrs@apple.com>
3154 * doc/invoke.texi (C++ Dialect Options): Note that
3155 -fvisibility-inlines-hidden doesn't affect explicitly
3156 instantiationed inline methods.
3158 2006-07-20 Roger Sayle <roger@eyesopen.com>
3160 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3161 if the target assembler is GNU binutils' gas.
3162 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3163 whether to pass GNU gas or native as command line options.
3165 2006-07-20 Jason Merrill <jason@redhat.com>
3167 * tree.c (remove_attribute): New fn.
3168 * tree.h: Declare it.
3170 2006-07-20 Paul Brook <paul@codesourcery.com>
3173 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3174 they are invalidated by this instruction.
3176 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3179 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3181 2006-07-20 Eric Christopher <echristo@apple.com>
3184 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3186 2006-07-19 Eric Christopher <echristo@apple.com>
3188 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3189 Rewrite dependencies for libgcc_s.1.dylib.
3191 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3193 * except.c (duplicate_eh_regions_1): Clear next_peer.
3195 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3197 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3198 -mlongcall does not guarantee all calls will be long.
3199 * doc/extend.texi (long_call/short_call): Document that longcall
3200 does not guarantee a long call will be used.
3201 (longcall/shortcall): Likewise.
3203 2006-07-18 Roger Sayle <roger@eyesopen.com>
3206 * expmed.c (expand_shift): Additionally check that the shift_cost
3207 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3208 before implementing a LSHIFT_EXPR as a sequence of additions.
3209 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3210 middle-end that DImode shifts need to be synthesized by expand.
3212 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3215 * tree-ssa-operands.c (access_can_touch_variable): Update
3217 Return true if ALIAS is .GLOBAL_VAR.
3219 2006-07-18 David Daney <ddaney@avtrex.com>
3221 * gcc.c (display_help): Fix typo in help text.
3223 2006-07-18 Olivier Hainque <hainque@adacore.com>
3225 * tree.h (categorize_ctor_elements): Adjust prototype and add
3226 descriptive comment, both in accordance with the interface change
3228 * varasm.c (constructor_static_from_elts_p): New function.
3229 Whether a constructor node is a valid static constant initializer
3230 if all its elements are.
3231 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3232 * output.h: Declare it.
3233 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3234 is a valid constant initializer instead of computing the number of
3235 non-constant elements. Use constructor_static_from_elts_p for this
3236 purpose. Replace the head comment with an indication that this is a
3237 helper for categorize_ctor_elements.
3238 (categorize_ctor_elements): Same interface change as for the _1
3239 helper. Former head comment from this helper moved here, adjusted to
3240 account for the interface changes.
3241 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3242 (all_zeros_p): Likewise.
3243 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3244 static versions of the constructor from the categorize_ctor_elements
3245 return value instead of the formerly computed number of non-constant
3248 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3250 * configure: Regenerate.
3251 * Makefile.in (build_libsubdir): New configure substitution
3252 (build_libobjdir): New variable.
3253 (BUILD_LIBIBERTY): Use it.
3255 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3258 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3260 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3263 * c-common.c (handle_weakref_attribute): Ignore attribute in
3264 the same conditions the alias attribute is ignored.
3266 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3268 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3269 (dbxout_begin_prologue): Increment scope_labelno.
3271 2006-07-17 Richard Henderson <rth@redhat.com>
3274 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3277 2006-07-17 Roger Sayle <roger@eyesopen.com>
3278 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3280 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3281 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3282 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3283 functions such as sbrk, write, etc.. Add function prototypes.
3284 Convert function declarations from K&R to ISO C. Cast pointers
3285 to "long" and "unsigned long" instead of "int" and "unsigned int".
3286 Convert tokens following #endif into comments.
3288 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3290 * invoke.texi: Remove mention of f77; Reformat table for
3291 inline parameter options correctly; mention that -malign-double
3292 is default on x86-64 targets.
3294 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3296 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3297 (convert_affine_scev, chrec_convert_aggressive): Use
3298 avoid_arithmetics_in_type_p. Do not check for the subtypes
3301 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3304 * optabs.c (expand_doubleword_shift): Wrap the call to
3305 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3307 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3310 * optabs.c (expand_binop): Pass next_methods rather than methods
3311 to expand_doubleword_shift.
3313 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3316 * tree.h (dump_addr): Declare.
3317 * print-tree.c (dump_addr): New function.
3318 (print_node_brief, print_node): Use it.
3319 * print-rtl.c (print_rtx): Likewise.
3320 * common.opt (-fdump-noaddr): New option.
3321 * doc/invoke.texi (-fdump-noaddr): Document.
3322 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3323 (ve_info_hash): Likewise.
3325 2006-07-13 Andrew Haley <aph@redhat.com>
3327 PR tree-optimization/19505
3328 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3329 edge leaving this block, make sure that the destination of this
3330 block has only one predecessor.
3332 2006-07-17 Richard Guenther <rguenther@suse.de>
3334 PR tree-optimization/28238
3335 * tree-inline.c (copy_bb): Check if we produced valid
3336 gimple copying and substituting a stmt. If not, gimplify
3339 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3341 * optabs.c (maybe_encapsulate_block): New function extracted from...
3342 (emit_libcall_block): ...here. Invoke it on the block of insns to
3343 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3344 (emit_no_conflict_block): Likewise.
3346 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3348 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3350 2006-07-15 Roger Sayle <roger@eyesopen.com>
3352 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3353 a new NOP_EXPR case of the switch statement.
3355 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3358 * stor-layout.c (place_field): Take the bit field with
3359 an excessive size into account in the ms-bitfiled case.
3362 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3363 the previous bit field.
3365 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3368 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3370 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3372 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3373 signal frames correctly even when the signal was installed with
3376 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3378 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3379 (dbxout_function_end): Use local label LFBB. Remove hook
3381 (dbxout_source_line): Use local label LFBB.
3382 (dbxout_block): Likewise.
3383 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3384 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3385 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3386 and DBX_OUTPUT_NFUN.
3388 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3390 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3392 2006-07-13 Jan Hubicka <jh@suse.cz>
3394 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3396 * output.h (align_variable): Declare.
3397 * varasm.c (align_variable): Export.
3398 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3399 when basic block changed.
3401 2006-07-13 Nick Clifton <nickc@redhat.com>
3403 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3404 walking the LOG_LINKS chain.
3406 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3408 * doc/invoke.texi (C++ Dialect Options): Explain difference
3409 between -fvisibility-inlines-hidden and setting hidden
3410 visibility explicitly.
3412 2006-07-12 Eric Christopher <echristo@apple.com>
3414 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3415 (stmp-lipo): Depend on libgcc.a.
3417 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3419 * tree.c: Fix a comment typo.
3421 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3423 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3425 (umulhisi3_r): Likewise.
3427 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3430 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3431 x < 19, vs wchar_t support.
3433 2006-07-12 Nick Clifton <nickc@redhat.com>
3435 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3436 instead of -isa=sh4.
3438 2006-07-12 Mike Stump <mrs@apple.com>
3440 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3442 2006-07-10 Eric Christopher <echristo@apple.com>
3444 * config/t-slibgcc-darwin: Rewrite.
3446 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3449 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3452 2006-07-08 Matthias Klose <doko@debian.org>
3454 * doc/sourcebuild.texi: Fix typo.
3456 2006-07-07 Mike Stump <mrs@apple.com>
3458 * toplev.c (process_options): Don't give -ffunction-sections may
3459 affect debugging warning for Mach-O.
3461 2006-07-07 James E Wilson <wilson@specifix.com>
3463 * config/mips/mips.md (cpu): Add sb1a.
3464 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3465 addition to sb1. Adjust comments to clarify SB-1A differences from
3467 (ir_sb1a_load): New. Modify bypasses to use it.
3468 (ir_sb1a_simple_alu): Likewise.
3469 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3470 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3471 (mips_issue_rate): Add PROCESSOR_SB1A.
3472 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3473 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3474 (TARGET_SB1): Add PROCESSOR_SB1A check.
3475 (TUNE_SB1): Likewise.
3477 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3478 * config/mips/mips.c (mips_store_data_bypass_p): New.
3479 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3480 store_data_bypass_p.
3482 2006-07-08 Paul Brook <paul@codesourcery.com>
3485 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3487 2006-07-07 Richard Guenther <rguenther@suse.de>
3490 * tree.h (build_one_cst): Declare.
3491 * tree.c (build_one_cst): New function.
3492 * tree-ssa-math-opts.c (get_constant_one): Remove.
3493 (insert_reciprocals): Use build_one_cst.
3494 * fold-const.c (fold_plusminus_mult): Likewise.
3496 2006-07-07 Roger Sayle <roger@eyesopen.com>
3498 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3499 * cfgloopanal.c (dump_graph): Likewise.
3500 * dojump.c (discard_pending_stack_adjust): Likewise.
3501 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3503 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3504 * function.c (finalize_block_changes): Likewise.
3505 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3506 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3507 * rtl.c (dump_rtx_statistics): Likewise.
3508 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3510 * varray.c (dump_varray_statistics): Likewise.
3511 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3512 decode_decimal64, encode_decimal128, decode_decimal128,
3513 decimal_real_to_decimal): Likewise.
3515 2006-07-07 Richard Guenther <rguenther@suse.de>
3517 PR tree-optimization/28187
3518 * tree-vrp.c (vrp_operand_equal_p): New function.
3519 (vrp_bitmap_equal_p): Likewise.
3520 (update_value_range): Use them to compare old and new
3523 2006-07-06 Roger Sayle <roger@eyesopen.com>
3525 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3526 a default case to switch statement to silence compiler warnings.
3528 2006-07-06 Roger Sayle <roger@eyesopen.com>
3531 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3532 the configured assembler supports the x87's ffreep mnemonic.
3533 * configure: Regenerate.
3534 * config.in: Regenerate.
3536 * config/i386/i386.c (output_387_ffreep): New function.
3537 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3538 (output_387_reg_move): Likewise.
3540 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3542 Port to hosts whose 'sort' and 'tail' implementations
3543 treat operands with leading '+' as file names, as POSIX
3544 has required since 2001. However, make sure the code still
3545 works on pre-POSIX hosts.
3546 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3547 which says you should use "tail -c +N" rather than "tail +Nc".
3548 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3550 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3552 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3555 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3558 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3559 PRE_{INC,DEC} of TFmode.
3561 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3562 Alan Modra <amodra@bigpond.net.au>
3565 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3568 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3571 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3572 Remove duplicate gtu.
3574 2006-07-05 Jason Merrill <jason@redhat.com>
3578 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3579 * c-common.c (handle_packed_attribute): So don't copy it here.
3580 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3582 2006-07-05 Mike Stump <mrs@apple.com>
3584 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3586 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3589 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3591 2006-07-05 Richard Guenther <rguenther@suse.de>
3594 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3595 TARGET_SSE2 targets if using SSE math.
3596 (*absdf2_1): Likewise.
3598 2006-07-05 Richard Guenther <rguenther@suse.de>
3600 PR tree-optimization/28162
3601 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3602 make sure to convert the operands to the correct type.
3604 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3606 PR tree-optimization/28218
3608 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3609 to calculate and free the dominator information.
3611 2006-07-04 Peter O'Gorman <peter@pogma.com>
3613 * mklibgcc.in: chmod 644 before ranlib during install.
3615 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3616 J"orn Rennecke <joern.rennecke@st.com>
3618 * configure.ac (.eh_frame data check): Use diff -b.
3620 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3623 * Makefile.in (BUILD_RTL): Add build/vec.o.
3624 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3625 (build/genextract): Delete.
3626 (build/genautomata): Likewise.
3628 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3631 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3632 128-bit IBM long doubles for ABI_V4.
3634 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3636 * tree.c (range_in_array_bounds_p): New predicate.
3637 * tree.h (range_in_array_bounds_p): Declare it.
3638 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3639 return a less conservative answer.
3640 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3641 and flag 'is_group'.
3642 (IS_ELEMENT_FOR_GROUP): New macro.
3643 (FOR_EACH_ACTUAL_CHILD): Likewise.
3644 (next_child_for_group): New helper function.
3645 (can_completely_scalarize_p): Take into account groups.
3646 (sra_hash_tree): Handle RANGE_EXPR.
3647 (sra_elt_eq): Likewise.
3648 (lookup_element): Be prepared for handling groups.
3649 (is_valid_const_index): Delete.
3650 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3651 instead of is_valid_const_index.
3652 <ARRAY_RANGE_REF>: New case.
3653 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3654 is_valid_const_index.
3655 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3656 (scan_dump): Dump info for groups too.
3657 (decide_instantiation_1): Likewise.
3658 (decide_block_copy): Assert that the element is not a group.
3659 Propagate decision to groups.
3660 (generate_one_element_ref): Handle RANGE_EXPR.
3661 (mark_no_warning): Iterate over actual childs.
3662 (generate_copy_inout): Likewise.
3663 (generate_element_copy): Likewise.
3664 (generate_element_zero): Likewise.
3665 (generate_element_init_1): Likewise.
3666 (dump_sra_elt_name): Handle RANGE_EXPR.
3668 2006-07-03 Roger Sayle <roger@eyesopen.com>
3670 PR tree-optimization/26251
3671 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3672 (thread_block): When optimizing for size refuse to thread jumps
3673 that would require duplication of blocks other than redirection
3676 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3678 * configure.ac: Fix thinko in previous check-in.
3679 * configure: Regenerate.
3681 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3684 * configure.ac (for lang...): Simplify nesting of conditionals.
3685 Test subdir_requires for non-enabled languages. Move processing
3686 of lang_opt_files and lang_tree_fiels below that test.
3687 * configure: Regenerate.
3688 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3690 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3692 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3694 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3696 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3699 2006-06-29 Jason Merrill <jason@redhat.com>
3706 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3707 * c-common.c (c_determine_visibility): Handle it here.
3708 * c-decl.c (finish_decl): Call c_determine_visibility for
3710 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3712 * varasm.c (default_assemble_visibility): Likewise.
3713 * c-common.c (handle_visibility_attribute): Complain about trying
3714 to give visibility to an already defined class, or trying to change
3715 declared visibility. Always attach the attribute.
3720 * attribs.c (decl_attributes): Ignore type-in-place attributes
3721 once the type has been defined.
3723 2006-06-29 Roger Sayle <roger@eyesopen.com>
3726 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3727 to indicate the cpplib has issued an error message for us.
3729 2006-06-29 Asher Langton <langton2@llnl.gov>
3732 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3733 insert a label at the end of an function under Mach-O.
3735 2006-06-29 Eric Christopher <echristo@apple.com>
3736 Evan Cheng <evan.cheng@apple.com>
3738 * predicates.md (vector_all_ones_operand): New.
3739 (nonimmediate_or_sse_const_operand): Ditto.
3740 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3741 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3742 (standard_sse_mode_p): Ditto.
3743 (standard_sse_constant_p): Add case for -1 vector.
3744 (ix86_expand_vector_move): Try to use.
3745 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3746 Call standard_sse_constant_opcode.
3747 (*movv4sf_internal): Ditto.
3748 (*movv2df_internal): Ditto.
3750 2006-06-29 Roger Sayle <roger@eyesopen.com>
3752 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3753 of XEXP to extract the operands of a MATCH_CODE rtx.
3755 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3757 * tree.c (tree_size): Do not waste tail padding in
3758 struct tree_string and make the size be the same as
3759 build_string will generate.
3761 2006-06-28 Jason Merrill <jason@redhat.com>
3764 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3765 may_aliases already in the tag's annotations to the bitmap.
3767 2006-06-28 Roger Sayle <roger@eyesopen.com>
3769 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3771 2006-06-28 Roger Sayle <roger@eyesopen.com>
3773 * genpreds.c (generate_switch_p): New function.
3774 (add_mode_tests): Push the new mode test down inside an AND expr
3775 if this allows the switch-suitable MATCH_CODE to be near the root.
3776 (write_match_code_switch): New function to write a MATCH_CODE as
3778 (write_predicate_stmts): New function to write a predicate RTX
3779 expression as a sequence of statements.
3780 (write_one_predicate_function): Use write_predicate_stmts.
3781 (write_tm_constrs_h): Likewise.
3783 2006-06-26 Fred Fish <fnf@specifix.com>
3785 * config/mips/t-sb1: New file.
3786 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3789 2006-06-26 DJ Delorie <dj@redhat.com>
3791 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3793 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3794 Jayant Sonar <jayants@kpitcummins.com>
3795 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3797 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3798 (subsi3, subsi3_1, subsi3_2): New.
3799 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3800 * config/m32c/mov.md (SI mov peephole): New.
3801 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3802 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3804 2006-06-26 Olivier Hainque <hainque@adacore.com>
3806 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3807 a CALL_EXPR target function declaration.
3809 2006-06-26 Richard Guenther <rguenther@suse.de>
3811 * tree.c (build_string): Do not waste tail padding in
3814 2006-06-26 Richard Guenther <rguenther@suse.de>
3816 * ggc-page.c (init_ggc): Add missing element to size_lookup
3820 2006-06-23 Richard Guenther <rguenther@suse.de>
3822 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3823 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3824 alignment requests instead. Add verification code.
3825 Add struct tree_function_decl and struct tree_binfo size to
3826 extra_order_size_table. Add missing element to size_lookup
3829 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3832 * fold-const.c (const_binop): Be prepared for self returning zero.
3833 Simplify code handling complex values.
3835 2006-06-24 Olivier Hainque <hainque@adacore.com>
3837 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3838 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3841 2006-06-24 Olivier Hainque <hainque@adacore.com>
3843 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3844 ARRAY_REF, so have the callback called for the low bound expression.
3846 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3848 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3849 * c-typeck.c (c_common_type): Disallow operations on decimal float
3850 types and other float types.
3851 * convert.c (convert_to_real): Don't ignore conversions involving
3852 decimal float types.
3854 2006-06-23 Olivier Hainque <hainque@adacore.com>
3856 * tree.c (max_int_size_in_bytes): New function, inspired from
3857 code in function.c:assign_temp.
3858 * tree.h (max_int_size_in_bytes): Declare.
3859 * function.c (assign_temp): Use it.
3860 * gimplify.c (create_tmp_var): Relax the assertions on the type
3861 properties, not mandating constant size any more.
3862 (force_constant_size): New static function.
3863 (gimple_add_tmp_var): Use it, forcing variable size to a
3864 constant upper bound if it is not constant on entry.
3866 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3869 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3870 for initialization and setting of one_only flag to ...
3871 (i386_pe_encode_section_info): ...here.
3872 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3873 Recheck that the symbol has not been defined.
3875 2006-06-23 Richard Guenther <rguenther@suse.de>
3877 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3878 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3879 alignment requests instead. Add verification code.
3880 Add struct tree_function_decl and struct tree_binfo size to
3881 extra_order_size_table. Add missing element to size_lookup
3884 2006-06-22 Roger Sayle <roger@eyesopen.com>
3885 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3888 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3889 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3891 2006-06-23 Ben Elliston <bje@au.ibm.com>
3893 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3894 negate dn -- manipulate it directly.
3896 2006-06-22 Roger Sayle <roger@eyesopen.com>
3897 Steven Bosscher <stevenb.gcc@gmail.com>
3900 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3901 generated by gen_move_insn to add REG_LABEL notes if necessary.
3903 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3905 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3906 (leaf_entry): Remove use of MIN_ESA.
3908 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3910 PR rtl-optimization/28121
3911 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3914 2006-06-21 DJ Delorie <dj@redhat.com>
3916 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3918 (mulhisi3_r): Likewise.
3920 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3923 * coverage.c (coverage_counter_alloc): Leave the index type
3925 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3928 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3930 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3931 section from the "Options for Code Generation Conventions".
3933 2006-06-21 Richard Henderson <rth@redhat.com>
3937 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3939 (global_symbolic_operand): Allow weak symbols, even if local_p.
3941 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3943 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3944 (find_interesting_uses_address): Punt if above function returns true.
3946 2006-06-21 Richard Guenther <rguenther@suse.de>
3948 * configure: Regenerated.
3950 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3952 * config/mips/mips.c (function_arg): Where one part of a
3953 complex argument is in registers and the other part in the stack,
3954 return a REG not a PARALLEL.
3956 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3958 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3959 when cross-compiling. Do not substitute libstdcxx_incdir.
3960 * configure: Regenerated.
3962 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3964 * varasm.c (mergeable_string_section): Check for embedded NULs and
3965 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3966 rather than TREE_STRING_LENGTH bytes.
3968 2006-06-21 Richard Guenther <rguenther@suse.de>
3970 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3971 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3974 2006-06-21 Richrad Guenther <rguenther@suse.de>
3976 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3977 Limit iteration over the dominators.
3979 2006-06-20 Roger Sayle <roger@eyesopen.com>
3981 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3982 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3984 2006-06-20 Richard Guenther <rguenther@suse.de>
3985 Michael Matz <matz@suse.de>
3987 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3989 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3990 * et-forest.h (et_free_pools): Prototype new function.
3991 * et-forest.c (et_free_tree_force): Free parent occurrence.
3992 (et_free_pools): New function.
3993 * dominance.c (free_dominance_info): Free et-forest alloc
3996 2006-06-20 Roger Sayle <roger@eyesopen.com>
3998 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3999 integer modes, attempt to directly construct an integer constant.
4001 * fold-const.c (native_encode_vector): Determine the size of each
4002 element from the vector type instead of the first vector element.
4004 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4005 if all of its elements/components are constant.
4006 (build_constructor_from_list): Likewise.
4008 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4010 PR tree-optimization/27331
4011 * tree-data-ref.c (free_data_ref): New function.
4012 (create_data_ref): Fail if the data reference has unknown access
4014 (free_data_refs): Use free_data_ref.
4016 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4019 * tree-inline.c (setup_one_parameter): Strip useless
4020 type conversion before adding it to the IR.
4021 (declare_return_variable): Likewise.
4023 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4026 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4028 2006-06-19 Mike Stump <mrs@apple.com>
4030 * tree.c (variably_modified_type_p): VM arguments don't make the
4033 2006-06-19 Richard Guenther <rguenther@suse.de>
4035 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4036 type conversions after folding.
4038 2006-06-19 Richard Guenther <rguenther@suse.de>
4040 * ggc-page.c (extra_order_size_tab): Add entries with
4041 size of struct function and basic_block.
4042 (size_lookup): Extend to cover sizes up to 511.
4043 (ggc_alloc_stat): Adjust user.
4044 (ggc_pch_count_object): Likewise.
4045 (ggc_pch_alloc_object): Likewise.
4046 (ggc_pch_write_object): Likewise.
4048 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4050 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4051 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4054 2006-06-19 Denis Chertykov <denisc@overta.ru>
4056 * config/avr/libgcc.S : Correct my wrong previous commit.
4058 2006-06-19 Roger Sayle <roger@eyesopen.com>
4061 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4062 have stripped a SUBREG from the shift count, so we may need to
4063 convert_to_mode back to the type's mode before calling make_tree.
4064 Use new_amount instead of amount to avoid expanding a tree twice.
4066 2006-06-19 Richard Guenther <rguenther@suse.de>
4069 * fold-const.c (operand_equal_p): Check if the argument types
4070 have the same precision before stripping NOPs.
4072 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4074 Fix PR tree-optimization/27341
4075 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4077 * tree-complex.c (pass_lower_complex): Update SMT usage.
4079 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4081 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4082 Add a new alternative to the constraint strings. Add move of
4083 operand 1 to 3 to the splitter definition.
4084 ("doloop_si_long"): Second contraint alternative removed.
4086 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4088 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4089 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4091 (AVR_HAVE_MOVW) Define.
4092 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4093 (ASM_SPEC): Add avr25.
4094 (LINK_SPEC): Add avr25.
4095 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4096 (base_arch_s): Add new member 'have_movw_lpmx'.
4097 (avr_arch_types): Init 'have_movw_lpmx'.
4098 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4099 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4100 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4101 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4102 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4104 (avr_file_start): Do not output '.arh' derective.
4105 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4106 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4107 * config/avr/avr.md (mcu_enhanced): Delete.
4108 (mcu_have_movw): Define.
4109 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4110 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4111 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4112 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4113 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4114 attiny861 and at86rf401 devices.
4116 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4118 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4121 2006-06-17 Karl Berry <karl@gnu.org>
4123 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4124 doc/gccint.texi, doc/install.texi (@dircategory): Use
4125 "Software development" instead of "Programming", following
4126 the Free Software Directory.
4128 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4130 * config/i386/i386.c (legitimate_tls_address)
4131 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4132 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4133 (*tls_dynamic_gnu2_combine_64): Likewise.
4135 2006-06-16 Richard Guenther <rguenther@suse.de>
4138 * fold-const.c (negate_expr_p): Do not introduce undefined
4139 overflow in negating INTEGER_CSTs.
4140 (fold_negate_expr): Rename from negate_expr. Revert last
4141 change for folding BIT_NOT_EXPR. Change semantics to
4142 return NULL_TREE for non-simplified negations. Do not
4143 strip type conversions and unify type handling.
4144 (negate_expr): New function, wrap around fold_negate_expr
4145 but ensure building a tree always. Strip type conversions
4146 here, fold to result type.
4147 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4149 2006-06-16 Roger Sayle <roger@eyesopen.com>
4152 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4153 that (would) return their results in stack registers.
4155 2006-06-16 Michael Matz <matz@suse.de>
4156 Richard Guenther <rguenther@suse.de>
4158 * fold-const.c (fold_truthop): Only return new tree node if
4159 we canonicalized something.
4161 2006-06-16 Richard Guenther <rguenther@suse.de>
4163 * function.h (enum function_frequency): Move declaration
4164 out of struct function.
4165 (struct function): Move bool fields and the enum to the bitfield
4166 section. Reorder elements to avoid padding. Remove unused
4167 fields left over from the RTL inliner removal.
4168 * function.c (free_after_compilation): Do not zero removed fields.
4169 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4170 (ipa-type-escape.o): Likewise.
4172 2006-06-16 Richard Guenther <rguenther@suse.de>
4174 * cgraph.h (struct cgraph_local_info): Turn bool elements
4176 (struct cgraph_node): Likewise.
4177 (struct cgraph_varpool_node): Likewise.
4179 2006-06-15 Richard Guenther <rguenther@suse.de>
4181 * fold-const.c (fold_truth_not_expr): Rename from
4182 invert_truthvalue. Give it fold_* semantics to avoid
4184 (invert_truthvalue): New function. Wrapper around
4185 fold_truth_not_expr.
4186 (optimize_minmax_comparison): Avoid creating garbage.
4187 (fold_unary): Use fold_truth_not_expr for folding
4189 (fold_ternary): Replace uses of invert_truthvalue with
4190 fold_truth_not_expr where applicable.
4191 * tree.h (fold_truth_not_expr): Prototype.
4193 2006-06-16 Richard Guenther <rguenther@suse.de>
4195 PR tree-optimization/27781
4196 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4197 * ipa-pure-const.c (target.h): Include.
4198 (analyze_function): Do not analyze functions that do not
4201 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4204 * tree-dfa.c (referenced_vars_dup_list): Remove.
4205 (find_referenced_vars): Remove assert.
4206 (referenced_var_check_and_insert): Replace dup list with assert.
4207 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4208 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4210 2006-06-15 Richard Guenther <rguenther@suse.de>
4212 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4213 extra unused identifiers if not dumping.
4214 (create_variable_info_for): Likewise.
4216 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4218 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4219 (derive_constant_upper_bound): Derive more precise upper bound in
4220 common cases. Return type changed to double_int.
4221 (record_estimate): Reflect the changed return type of
4222 derive_constant_upper_bound.
4223 * double-int.c (double_int_zext, double_int_sext): Fix.
4225 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4227 * configure.ac (CFLAGS): Get them from the toplevel or from the
4228 configure invocation.
4229 * configure: Regenerate.
4230 * Makefile.in (CFLAGS): Substitute value provided by configure.
4232 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4235 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4236 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4237 rather than calling add_stmt on it.
4238 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4240 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4243 * reload1.c (reload): Remove registers returned by update_eliminables
4244 from used_spill_regs.
4246 2006-06-13 DJ Delorie <dj@redhat.com>
4248 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4250 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4252 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4253 html__strip_dir, html__mkdir_p. Enhance install-html target.
4254 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4255 * configure: Regenerate.
4257 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4259 * fold-const.c (fold_cond_expr_with_comparison): Check for
4260 Objective-C++ as language in deciding COND_EXPR transformation.
4262 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4265 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4266 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4267 * config/sh/lib1funcs.h (SL, SL1): Define.
4268 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4269 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4270 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4271 (OBJS_Os_4_200): New variable.
4272 ($(T)libgcc-Os-4-200.a): Use it.
4273 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4274 when dividing 1 and/or by 0.
4276 2006-06-13 Roger Sayle <roger@eyesopen.com>
4278 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4279 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4280 * configure: Regenerate.
4282 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4284 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4285 for real instruction.
4287 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4290 * haifa-sched.c (check_cfg): Handle special case.
4292 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4295 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4296 Add debug_info parameter. Chain the vars to the BLOCK instead
4297 of the BIND_EXPR if debug info are requested for them.
4298 (pop_gimplify_context): Adjust for above change.
4299 (gimple_add_tmp_var): Likewise.
4300 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4302 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4303 (convert_local_reference): Likewise.
4304 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4305 (finalize_nesting_tree_1): Request that debug info be emitted
4306 for debug_var_chain.
4308 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4310 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4311 for PR target/27863.
4313 2006-06-13 Richard Guenther <rguenther@suse.de>
4316 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4318 2006-06-13 Richard Guenther <rguenther@suse.de>
4320 PR tree-optimization/27830
4321 * tree-inline.c (copy_body_r): For copying the operand
4322 of an ADDR_EXPR make sure to fold &* afterwards.
4324 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4326 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4327 lvalues in the fb_none case with side-effects.
4329 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4331 * tree-flow.h: Remove the prototype for
4332 compute_phi_arg_on_exit.
4333 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4334 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4337 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4339 * builtins.c (expand_builtin_return_addr): Only use
4340 frame_pointer_rtx when count == 0 and we are expanding
4341 __builtin_return_address.
4343 2006-06-12 Fred Fish <fnf@specifix.com>
4345 * config/mips/mips.c (mips_file_start): Create special section
4346 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4348 2006-06-11 Eric Christopher <echristo@apple.com>
4351 * stor-layout.c (place_field): Remove check for
4352 remaining_in_alignment when aligning at the end of a run.
4354 2006-06-11 Eric Christopher <echristo@apple.com>
4357 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4360 2006-06-11 Roger Sayle <roger@eyesopen.com>
4363 Revert incorrect fix for PR target/27158
4364 2006-05-08 Roger Sayle <roger@eyesopen.com>
4365 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4366 of a reg_equiv_constant if the result is a legitimate constant.
4368 2006-06-11 Roger Sayle <roger@eyesopen.com>
4371 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4372 extract a CONST_VECTOR element and interpret it as an integer.
4373 (vspltis_constant): Use const_vector_elt_as_int instead of the
4374 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4375 * config/rs6000/predicates.md (easy_vector_const): Consider
4376 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4378 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4381 * stor-layout.c (update_alignment_for_field): Don't add extra
4382 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4385 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4387 * config/mips/t-rtems: Add EL/EB multilib variants.
4389 2006-06-09 Mike Stump <mrs@apple.com>
4391 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4393 2006-06-09 David Daney <ddaney@avtrex.com>
4395 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4397 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4399 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4401 2006-06-09 Richard Guenther <rguenther@suse.de>
4403 PR tree-optimization/26998
4404 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4405 of signed types, only TYPE_MIN_VALUE is special, but for both,
4406 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4407 in this case, as is -fwrapv.
4409 2006-06-08 Mike Stump <mrs@apple.com>
4412 * config/darwin.c (darwin_asm_output_anchor): Disable
4413 -fsection-anchors on darwin for now.
4414 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4415 * rs6000/rs6000.c (optimization_options): Likewise.
4417 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4420 * config/i386/i386.c (classify_argument): Skip fields with invalid
4423 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4425 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4426 (cse_insn): Likewise for the stack_pointer_rtx.
4428 2006-06-08 Roger Sayle <roger@eyesopen.com>
4430 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4431 conditions from floating point comparisons.
4433 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4436 * expmed.c (struct alg_hash_entry): Fix type of field T
4437 to match synth_mult argument.
4438 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4440 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4443 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4446 2006-06-08 Richard Guenther <rguenther@suse.de>
4449 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4450 only, if overflow is defined and not trapping.
4451 (negate_expr): Likewise.
4453 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4455 PR tree-optimization/27872
4456 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4457 flag on the new exit edge of the unrolled loop.
4459 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4461 PR rtl-optimization/26449
4462 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4464 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4467 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4468 referenced_variables with matching DECL_UID's.
4469 (find_referenced_vars): Make sure duplicate list is empty to start.
4470 (referenced_var_p): Remove.
4471 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4472 Check if var is in the list, and add if needed. Update the duplicate
4473 list if a different var is in the list with the same DECL_UID.
4474 (add_referenced_var): Call routine to check and insert.
4475 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4476 * tree-flow.h (referenced_vars_dup_list): External declaration.
4478 2006-06-07 Fred Fish <fnf@specifix.com>
4480 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4483 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4486 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4487 the imaginary and real parts of a clobbered register.
4488 Emit insn to set the imaginary part.
4490 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4492 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4493 in lieu of unwind-dw2-fde.c.
4495 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4497 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4499 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4502 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4503 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4504 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4505 V4SImode temporaries and operations instead.
4507 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4509 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4512 2006-06-06 Mike Stump <mrs@apple.com>
4514 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4515 installing during build.
4517 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4519 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4521 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4522 * config/ia64/ia64.c (params.h): New header.
4523 (ia64_optimization_options): New function to adjust parameters.
4524 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4525 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4526 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4528 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4530 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4532 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4535 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4537 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4538 Victor Kaplansky <victork@il.ibm.com>
4540 PR tree-optimization/26360
4541 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4544 2006-06-04 Roger Sayle <roger@eyesopen.com>
4545 Andrew Pinski <pinskia@physics.uc.edu>
4548 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4549 for LABEL_DECL before calling DECL_WEAK.
4552 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4553 LABEL_DECL and PARM_DECL.
4555 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4559 * c-decl.c (grokdeclarator): Disallow variably modified types at
4560 file scope. Avoid marking shared array type of constant size as
4563 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4566 * c-common.c (fold_offsetof_1): Handle static members.
4568 2006-06-04 Eric Christopher <echristo@apple.com>
4570 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4571 (debug_rli): Output value for remaining_in_alignment.
4572 (update_alignment_for_field): Unconditionalize
4573 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4574 extra alignment code.
4575 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4576 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4577 * tree.h (record_layout_info_s): Remove prev_packed.
4578 * doc/extend.texi (ms_struct): Add documentation of format.
4580 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4582 * tree.h: Declare folding_initializer.
4583 * builtins.c (fold_builtin_constant_p): Give definite answer
4584 if folding inside an initializer.
4585 * fold-const.c: Define folding_initializer.
4586 (START_FOLD_INIT): Save and then set folding_initializer.
4587 (END_FOLD_INIT): Restore folding_initializer.
4589 2006-06-04 Richard Guenther <rguenther@suse.de>
4591 PR tree-optimization/27039
4592 * fold-const.c (fold_comparison): Handle pointer comparison
4593 again for all comparison codes. Compare offsets in signed
4595 (fold_binary): Move code from here.
4597 2006-06-03 Roger Sayle <roger@eyesopen.com>
4600 * config/i386/i386.c (construct_container): Split static issued_error
4601 flag into issued_sse_arg_error, issued_sse_ret_error and
4602 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4603 requires the use of x87 registers and the user explicitly
4604 specified the -mno-80387 command line option.
4606 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4608 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4609 HAVE_DECL_SIGALTSTACK.
4611 (segv_handler): Use MC_FLD.
4612 * configure.ac: Check for a sigaltstack declaration.
4613 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4614 * configure: Regenerate.
4615 * config.in: Regenerate.
4617 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4620 * Makefile.in (stmp-fixinc): Fix typo.
4622 2006-06-02 Roger Sayle <roger@eyesopen.com>
4624 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4625 are type correct. Clean-up.
4626 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4627 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4629 2006-06-01 DJ Delorie <dj@redhat.com>
4631 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4632 shift, as we've disabled the "switch" insn that needs it.
4634 2006-06-01 Per Bothner <bothner@bothner.com>
4636 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4637 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4638 * c-ppoutput.c (cb_define): Don't increment line 0.
4640 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4642 * doc/invoke.texi: Add cpu_type power6.
4643 * config.gcc: Add cpu_type power6.
4644 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4645 to power5+ with Altivec.
4646 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4647 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4649 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4651 * config/avr/avr.h (SET_ASM_OP): Define.
4653 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4655 * config/bfin/bfin.c: Fix comment typos.
4657 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4660 * doc/install.texi: Document --enable-bootstrap and
4661 --disable-bootstrap.
4663 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4665 * doc/install.texi: Document that InfoZIP can replace jar.
4667 2006-05-31 Roger Sayle <roger@eyesopen.com>
4669 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4670 isn't available, directly generate the simpler x87 patterns without
4671 the (use (const_int 0)).
4672 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4673 implementation isn't available.
4674 (*negdf2_1): Likewise.
4675 (*negxf2_1): XF mode negation is always done using the x87.
4676 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4678 2006-05-31 Roger Sayle <roger@eyesopen.com>
4680 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4681 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4683 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4685 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4687 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4688 * config/bfin/bfin.c (basic-block.h): Include.
4689 (struct machine_function): New.
4690 (bfin_init_machine_status): New.
4691 (override_options): Initialize init_machine_status.
4692 (bfin_hardware_loop): New.
4693 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4694 (DEF_VEC_P (loop_info)): New.
4695 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4696 (struct loop_info): New.
4697 (loop_info): New typedef.
4698 (struct loop_work): New.
4699 (loop_work): New typedef.
4700 (DEF_VEC_O (loop_work)): New.
4701 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4702 (bfin_dump_loops): New.
4703 (bfin_bb_in_loop): New.
4704 (bfin_scan_loop): New.
4705 (bfin_optimize_loop): New.
4706 (bfin_reorg_loops): New.
4707 (bfin_reorg): Use bfin_reorg_loops.
4708 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4710 (I_REGNO_P): Simplify.
4711 (DP_REGNO_P, DPREG_P): New macros.
4712 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4713 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4714 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4715 Add LT_REGS, LC_REGS, LB_REGS.
4716 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4718 (REGNO_REG_CLASS): Deal with loop registers.
4719 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4721 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4722 New constants for loop registers.
4723 (UNSPEC_LSETUP_END): New.
4724 (seq_insns): New define_attr. Set it for appropriate insns.
4725 (movsi_insn): Add alternatives for move from/to
4726 loop count registers.
4727 (doloop_end): New define_expand.
4728 (loop_end): New define_insn.
4729 (define_split for bad doloop_end): New.
4730 (lsetup_with_autoinit): New define_insn.
4731 (lsetup_without_autoinit): New define_insn.
4732 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4733 * config/bfin/predicates.md (lc_register_operand): New.
4734 (lt_register_operand): New.
4735 (lb_register_operand): New.
4736 (nondp_register_operand): New.
4737 (nondp_reg_or_memory_operand): New.
4738 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4740 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4742 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4743 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4745 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4747 * Makefile.in (CATALOGS): Add po/ prefix.
4748 * configure: Regenerated.
4750 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4753 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4754 a shift operand before calling shift_op. Avoid redundant call of
4757 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4758 DJ Delorie <dj@redhat.com>
4760 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4761 we're inserting is a singlt-bit constant.
4763 2006-05-30 Roger Sayle <roger@eyesopen.com>
4765 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4766 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4768 2006-05-30 Roger Sayle <roger@eyesopen.com>
4770 PR tree-optimization/23452
4771 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4772 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4773 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4774 complex values and with -ffast-math for FP complex values.
4776 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4778 * c-common.h: Remove the prototype for yyparse.
4779 * rtl.h: Remove the prototype for init_loop.
4781 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4783 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4786 2006-05-30 Roger Sayle <roger@eyesopen.com>
4788 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4790 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4791 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4793 2006-05-30 Dirk Mueller <dmueller@suse.de>
4796 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4797 for CONSTANT_CLASS_P expresisons.
4799 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4802 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4804 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4806 PR tree-optimization/27779
4807 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4808 initial_condition instead of CHREC_LEFT.
4810 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4812 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4813 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4814 Make prototypes ISO C90.
4816 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4817 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4819 * see.c (see_analyze_one_def): Correct check.
4820 (see_get_extension_data): Check if extension is parallel.
4821 (see_get_extension_reg): Likewise.
4823 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4826 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4827 into register for (code == GTU).
4829 2006-05-29 Roger Sayle <roger@eyesopen.com>
4831 PR tree-optimization/24964
4832 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4833 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4834 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4835 abs(x)*abs(x) as x*x for scalar floating point modes.
4837 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4840 * lambda-code.c (perfect_nestify): Don't copy statements
4841 in the inner loop: move them to the inner loop header.
4843 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4846 * c-tree.texi: Document OpenMP directives and clauses.
4848 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4850 * varasm.c (globalize_decl): Fix indentation.
4852 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4855 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4856 pass_fre, pass_store_ccp, pass_copy_prop,
4857 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4858 pass_return_slot, pass_object_size, pass_lim,
4859 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4860 pass_loop_prefetch and pass_stdarg.
4862 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4864 * config/bfin/bfin.opt (mfdpic): New option.
4865 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4866 (EXTRA_MULTILIB_PARTS): Likewise.
4867 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4868 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4870 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4871 (CRT_CALL_STATIC_FUNCTION): New.
4872 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4874 (CRT_CALL_STATIC_FUNCTION): New.
4875 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4877 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4878 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4879 (initialize_trampoline): Changed to handle FD-PIC code generation.
4880 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4881 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4882 (override_options): Disallow -mid-shared-library -mfdpic combination.
4883 Can't do unaligned ops if FD-PIC.
4884 Turn off flag_pic if trying to generate non-id-shared-library
4885 non-fdpic code, since it's not supported.
4886 (bfin_assemble_integer): New function.
4887 (TARGET_ASM_INTEGER): Define.
4888 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4890 * config/bfin/crtn.s: Restore them.
4891 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4893 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4894 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4895 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4896 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4897 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4899 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4900 FDPIC_REGS and FDPIC_FPTR_REGS.
4901 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4902 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4903 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4904 (load_funcdescsi): New pattern.
4905 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4906 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4907 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4909 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4911 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4914 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4916 * tree-flow.h: Remove the prototype for add_type_alias.
4917 * tree-ssa-alias.c (add_type_alias): Remove.
4919 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4921 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4922 config/fr30/fr30.md, config/i386/i386-interix.h,
4923 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4924 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4925 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4926 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4927 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4928 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4929 Follow spelling conventions.
4930 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4931 Follow spelling conventions.
4933 2006-05-27 Richard Guenther <rguenther@suse.de>
4936 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4937 to produce a constant of value 1 of generic type.
4939 2006-05-27 Dirk Mueller <dmueller@suse.de>
4941 * cgraphunit.c (decide_is_function_needed): Fix wrong
4944 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4946 PR rtl-optimization/27661
4947 * reload.c (find_reloads): When reloading a VOIDmode constant
4948 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4949 use Pmode as mode of the reload register.
4951 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4953 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4954 is enabled at -O and above.
4956 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4959 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4962 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4965 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4966 for anonymous variables explicitly declared by front ends.
4968 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4970 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4971 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4972 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4973 ref-all pointers, run a finalization pass for them.
4974 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4975 (finalize_ref_all_pointers): New function.
4976 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4977 regular pointer type to a ref-all pointer type.
4978 (get_tmt_for): Return the special memory tag for ref-all pointers.
4980 2006-05-25 Richard Guenther <rguenther@suse.de>
4983 * fold-const.c (fold_binary): Do not look at the stripped
4984 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4986 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4988 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4989 for LT and GT if the computed range is effectively empty.
4991 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4994 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4995 mips_quad_format formats instead of ieee_single_format,
4996 ieee_double_format and ieee_quad_format formats, respectively.
4998 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5000 PR tree-optimization/27639
5001 PR tree-optimization/26719
5002 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5003 call to scev_probably_wraps_p.
5004 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5005 used_in_pointer_arithmetic_p, convert_step): Removed.
5006 (nowrap_type_p): New function.
5007 (scev_probably_wraps_p): Rewritten.
5008 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5009 chrec_convert if chrec_convert_aggressive might have been used.
5010 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5011 scev_direction): New functions.
5012 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5013 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5014 instead of convert_step.
5015 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5016 (convert_step): Declaration removed.
5017 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5019 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5021 * df-core.c: Added to header comments.
5022 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5023 df_ur_bb_info, df_urec_bb_info): Added comments.
5024 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5025 urec, ri problems): Fixed header comments.
5026 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5027 code from df_rd_transfer_function.
5029 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5031 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5032 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5033 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5035 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5037 * expr.c (undefined_operand_subword_p): New.
5038 (emit_move_multi_word): Do not generate move from undefined bits
5039 of a paradoxical subreg.
5041 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5043 PR rtl-optimization/27736
5044 * combine.c (replaced_rhs_value): New variable.
5045 (combine_instructions): Set it.
5046 (distribute_notes): When distributing a note in replaced_rhs_insn,
5047 check whether the value was used in replaced_rhs_value.
5049 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5052 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5053 add_referenced_var instead of add_referenced_tmp_var.
5054 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5055 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5057 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5058 tree_optimize_tail_calls_1): Use add_referenced_var.
5059 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5060 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5061 Use add_referenced_var.
5062 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5063 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5064 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5065 Use add_referenced_var.
5066 * tree-dfa.c (struct walk_state): Remove.
5067 (find_referenced_vars): Remove walk state and vars_found hash table.
5068 (make_rename_temp): Use add_referenced_var.
5069 (find_vars_r): Pass less parameters to add_referenced_var.
5070 (referenced_var_p): New. Is var in referenced_var hash table.
5071 (referenced_var_insert): Assert var isn't already in hash table.
5072 (add_referenced_var): Don't need walk_state parameter. Add var if it
5073 isn't already in the hash table.
5074 (add_referenced_tmp_var): Remove.
5075 (find_new_referenced_vars_1): Use add_referenced_var.
5076 * tree-ssa-pre.c (create_expression_by_pieces,
5077 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5078 Use add_referenced_var.
5079 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5080 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5081 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5083 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5084 vect_create_data_ref_ptr, vect_create_destination_var,
5085 vect_init_vector, vect_build_loop_niters,
5086 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5087 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5088 Use add_referenced_var.
5089 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5090 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5091 (add_referenced_var): Add prototype.
5092 * tree-ssa-structalias.c (get_constraint_for,
5093 intra_create_variable_infos): Use add_referenced_var.
5095 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5097 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5098 big-endian paradoxical subregs.
5099 * var-tracking.c (struct micro_operation_def): Document that,
5100 for modify micro operations, insn is the subsequent instruction.
5101 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5102 (var_reg_set, var_mem_set): ... new functions.
5103 (add_stores): Record subsequent insn.
5104 (compute_bb_dataflow): Use new functions for MO_USE.
5105 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5106 notes after the insn, and modify notes before the insn known
5107 to be the subsequent one.
5108 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5110 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5113 * config/i386/i386.c (ix86_expand_builtin): Use
5114 gen_sse3_monitor64 for TARGET_64BIT.
5116 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5118 PR rtl-optimization/26375
5119 PR rtl-optimization/26855
5120 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5122 (df_ru_bb_local_compute): Reversed statements and removed bogus
5123 comment explaining why they should be in wrong order.
5124 (df_ru_dump, df_rd_dump): Enhanced debug info.
5125 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5127 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5128 reaching uses and fixed space problem.
5130 2006-05-23 Jan Hubicka <jh@suse.cz>
5132 * cgraphunit.c (decide_is_function_needed): Also nested functions
5133 and functions declared inline can be optimized out at -O0.
5135 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5137 * doc/install.texi (Configuration): Remove reference to CrossGCC
5141 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5144 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5145 ix86_compare_emitted is non-NULL.
5147 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5150 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5153 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5155 PR rtl-optimization/25514
5156 * combine.c (replaced_rhs_insn): New variable.
5157 (combine_instructions): Set replaced_rhs_insn when trying to replace
5158 a SET_SRC with a REG_EQUAL note.
5159 (distribute_notes): Use replaced_rhs_insn when determining the live
5160 range of a REG_DEAD register.
5162 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5163 Anatoly Sokolov <aesok@post.ru>
5165 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5166 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5167 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5168 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5169 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5170 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5171 at90usb647, at90usb1286 and at90usb1287 devices.
5172 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5173 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5175 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5177 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5179 2006-05-22 Richard Guenther <rguenther@suse.de>
5182 2006-01-31 Richard Guenther <rguenther@suse.de>
5183 Paolo Bonzini <bonzini@gnu.org>
5185 * doc/install.texi (--disable-libgcc-math): Document.
5187 2006-05-22 Richard Guenther <rguenther@suse.de>
5190 2006-01-31 Richard Guenther <rguenther@suse.de>
5192 * doc/invoke.texi (-msselibm): Document.
5193 * target.h (expand_library_builtin): New target hook.
5194 * builtins.c (expand_builtin): Use expand_library_builtin.
5195 (default_expand_library_builtin): New function.
5196 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5197 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5198 (link_gcc_math_spec): Declare.
5199 (static_specs): Add link_gcc_math_spec.
5200 * expr.h (default_expand_library_builtin): Declare.
5201 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5202 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5203 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5204 * config/i386/i386.opt (msselibm): New target option.
5205 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5206 (ix86_init_sse_abi_builtins): New function.
5207 (ix86_expand_library_builtin): Likewise.
5208 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5209 (override_options): Handle error conditions wrt -msselibm.
5210 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5211 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5212 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5215 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5218 * c-common.c (self_promoting_args_p): Skip erroneous args.
5221 * c-decl.c (finish_struct): Skip erroneous fields.
5223 2006-05-22 Nick Clifton <nickc@redhat.com>
5225 * config/cris/cris.opt (march): Remove VarExists attribute.
5226 (max-stackframe=): Likewise.
5228 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5230 * doc/rtl.texi: Fix a typo.
5231 * see.c: Fix comment typos.
5233 * tree-ssa-structalias.h (alias_info): Remove num_references.
5235 2006-05-21 Mike Stump <mrs@apple.com>
5237 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5239 (darwin_pragma_options): Use BAD instead.
5240 (darwin_pragma_unused): Likewise.
5241 (darwin_pragma_ms_struct): Likewise.
5243 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5245 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5247 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5249 PR rtl-optimization/27671
5250 * simplify-rtx.c (simplify_relational_operation_1): Fix
5251 simplifications of (eq/ne (xor x y) y) and
5252 (eq/ne (xor x y) x).
5254 PR tree-optimization/26622.
5255 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5258 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5260 * tree-cfg.c: Prune whitespace.
5261 (debug_tree_cfg): Point to correct header containing the
5264 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5267 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5269 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5272 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5273 or sorry count is non zero.
5275 2006-05-20 Andreas Schwab <schwab@suse.de>
5277 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5279 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5280 Kenneth Zadeck <zadeck@naturalbridge.com>
5282 PR rtl-optimization/26855
5284 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5286 (df_scan_alloc): Added code to properly handle multiword hard
5287 registers and add all_blocks parameter.
5288 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5289 code to properly handle multiword hard registers.
5290 (df_rescan_blocks): Added code to remove deleted blocks from
5292 (df_ref_create_structure, df_ref_record): Added code to properly
5294 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5295 and set DF_REF_PARTIAL.
5296 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5297 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5298 (df_scan_add_problem): Added flags parameter.
5299 (df_ref_create_structure): Changed switching structure.
5300 (df_bb_refs_record): Fixed case where duplicate artificial refs
5301 were created. Changed location of flags.
5302 (df_record_entry_block_defs): Added code to make stack pointer
5303 live in entry block. Refined cases where frame pointer is needed.
5304 Changed location of flags.
5305 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5306 (df_set_state): Removed function.
5307 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5308 df_insn_create_insn_record, df_insn_refs_delete,
5309 df_ref_create_structure): Formatting changes.
5310 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5311 df_delete_basic_block): New function.
5312 (df_init): Changed location of flags.
5313 (df_add_problem): Added flags parameter and the way flags are
5315 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5316 debug_df_chain): Improved debugging output.
5317 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5318 (df_refs_chain_dump): Removed df parameter.
5319 (df_iterative_dataflow): Added consistency check.
5320 (df_prune_to_subcfg): Made public.
5321 (df_analyze_problem): Added blocks_to_init parameter and made
5323 (df_ref_record, df_bb_refs_record, df_mark_reg,
5324 df_record_exit_block_uses): Whitespace changes.
5325 (df_dump): Whitespace changes.
5326 * df.h: Some reordering to remove forward references.
5327 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5328 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5329 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5330 (dataflow.flags): New field.
5331 (df.flag): Deleted field.
5332 (df_alloc_function): Added additional bitmap parameter.
5333 (df_dependent_problem_function): New type.
5334 (df_problem.changeable_flags): New field.
5335 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5336 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5337 (df_mw_hardreg): New struct.
5338 (DF_INSN_UID_MWS): New macro.
5339 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5341 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5342 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5343 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5344 (df_set_state): Removed function.
5345 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5346 * df-problems.c (df_chain_dump): Removed df parameter.
5347 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5348 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5350 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5351 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5352 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5353 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5354 DF_REF_MUST_CLOBBER cases.
5355 (df_ru_bb_local_compute_process_def,
5356 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5357 df_lr_bb_local_compute, df_ur_bb_local_compute,
5358 df_chain_create_bb): Made subreg aware.
5359 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5360 df_lr_bb_local_compute, df_lr_bb_local_compute,
5361 df_chain_create_bb): Cleanup to use proper macros.
5362 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5363 code to fixup bitvectors.
5364 (df_ri_alloc): Cleared lifetime.
5365 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5366 df_create_unused_note): New function.
5367 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5368 REG_DEAD and REG_UNUSED notes as well as register information.
5369 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5370 df_chains_dump): Fixed crash if problem was never run.
5371 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5372 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5373 df_ri_add_problem): Processes flags in uniform manner.
5374 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5375 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5376 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5377 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5378 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5379 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5380 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5381 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5382 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5383 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5384 * see.c (see_initialize_data): Ditto.
5385 * final.c (rest_of_clean_state) Added regstack_completed.
5386 * rtl.h (regstack_completed): Ditto.
5387 * reg-stack.c (regstack_completed): Ditto.
5389 2006-05-19 Mike Stump <mrs@apple.com>
5391 * c-tree.h (default_conversion): Remove.
5392 * c-common.h (default_conversion): Add.
5394 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5396 * tree-vrp.c (valid_value_p): New function.
5397 (adjust_range_with_scev): Fail if the value of bound is not
5400 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5402 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5403 (mips_fallback_frame_state): Use syscall numbers to determine
5404 the appropriate li instruction for the current ABI. Only use
5405 __NR_sigreturn for o32.
5407 2006-05-19 Nicolas Setton <setton@adacore.com>
5409 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5410 * langhooks.c (lhd_dwarf_name): New function.
5411 * langhooks-def.h (lhd_dwarf_name): Declare.
5412 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5413 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5414 * ada/misc.c (gnat_dwarf_name): New function.
5415 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5417 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5419 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5421 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5422 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5423 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5424 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5425 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5426 determine the size of Wtype, etc.
5427 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5428 (swfloatfuncs): New variable.
5429 (dwfloatfuncs): Likewise.
5430 (lib2funcs): Remove floating-point conversion functions from
5431 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5432 the set of conversion routines needed. Allow entries to specify
5433 an object name, filename and word size. Update users accordingly.
5434 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5435 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5439 2006-02-08 Roger Sayle <roger@eyesopen.com>
5442 * config/fixtfdi.c: New libgcc source file.
5443 * config/fixunstfdi.c: New source file.
5444 * config/floatditf.c: New source file.
5445 * config/floatunditf.c: New souce file.
5446 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5447 files above instead of config/mips/_tilib.c.
5448 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5450 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5452 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5453 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5455 2006-05-18 Mike Stump <mrs@apple.com>
5457 Fix up vla, vm and [*] sematics.
5463 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5464 (c_vla_unspec_p): Add.
5465 (c_vla_type_p): Add.
5466 * c-decl.c (struct c_scope): Add had_vla_unspec.
5467 (build_array_declarator): Add support for [*].
5468 (grokdeclarator): Likewise.
5469 (grokparms): Likewise.
5470 (get_parm_info): Likewise.
5471 * c-objc-common.c (c_vla_unspec_p): Likewise.
5472 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5473 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5474 typeof when argument is a variably modified type not inside sizeof or alignof.
5475 (c_parser_direct_declarator_inner): Propagate errors.
5476 (c_parser_sizeof_expression): Add support for [*].
5477 (c_parser_parms_declarator): Initialize had_vla_unspec.
5478 (c_parser_parms_list_declarator): Likewise.
5479 * c-typeck.c (c_vla_type_p): Add.
5480 (composite_type): Add support for vla compositing.
5481 (comptypes_internal): Add support for vla compatibility.
5482 (c_expr_sizeof_expr): Evaluate vla arguments.
5483 * tree.c (variably_modified_type_p): Update comment for [*].
5485 2006-05-18 Michael Matz <matz@suse.de>
5488 * config.host: Make assignments to host_xmake_file cumulative.
5489 * config.host (*-darwin*): Test $host, not $target.
5491 2006-05-12 Stuart Hastings <stuart@apple.com>
5493 * config/i386/i386.opt (-mstackrealign): New flag.
5494 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5495 (ix86_handle_cconv_attribute): Emit error when
5496 force_align_arg_pointer attribute collides with too many regparms.
5497 (ix86_function_regparm): Limit regparms when used with
5498 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5499 Support stack-realigning prologue in non-main functions. Emit
5500 warning for nested functions under -mstackrealign, emit error for
5501 nested functions with force_align_arg_pointer attribute.
5502 * doc/extend.texi (force_align_arg_pointer): Document it.
5503 * doc/invoke.texi (-mstackrealign): Document it.
5505 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5507 PR rtl-optimization/27477
5508 * combine.c (try_combine): Don't split a parallel consisting
5509 of two sets into two individual sets if both sets reference
5512 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5514 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5515 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5517 * doc/options.texi (VarExists): Updated.
5519 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5521 * unwind-dw2.c: Add declarations for uw_update_context and
5523 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5524 detected, advance frame state and context once to skip over stub.
5526 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5530 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5531 Call rewrite_into_loop_closed_ssa only when something changed.
5532 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5533 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5534 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5535 Test for perfect_nest_p here. Fix formating.
5536 (replace_uses_equiv_to_x_with_y): Fix formating.
5537 (stmt_uses_op): Removed.
5538 (can_convert_to_perfect_nest): Removed loopivs parameter.
5539 Complete the test by checking the scalar dependences.
5540 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5543 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5546 From Dan Kegel <dank@kegel.com>:
5547 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5549 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5551 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5552 if the element type is variably modified without recursing.
5554 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5557 * tree-loop-linear.c (try_interchange_loops): Test for
5558 no data dependences.
5560 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5562 PR tree-optimization/27548
5563 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5564 range of ssa names that appear on abnormal edges.
5565 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5566 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5568 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5571 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5573 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5576 * tree.h (OMP_PARALLEL_COMBINED): Define.
5577 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5578 (new_omp_context): Add is_combined_parallel argument.
5579 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5580 new_omp_context caller.
5581 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5582 Adjust gimplify_scan_omp_clauses callers.
5583 (omp_is_private): Issue errors if iteration variable is firstprivate
5584 or reduction in the current context.
5585 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5586 on combined parallel workshare constructs.
5588 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5590 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5591 (gcc-options.o): New rule.
5593 * optc-gen.awk: Protect variables for gcc-options.o with
5594 #ifdef GCC_DRIVER/#endif.
5596 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5598 Fix PR tree-optimization/27373
5599 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5600 (forward_propagate_addr_expr): Update call.
5602 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5604 * doc/options.texi: Move the Negative option.
5606 2006-05-16 Richard Guenther <rguenther@suse.de>
5608 PR tree-optimization/22303
5609 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5611 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5612 ccp_fold did not simplify the statement.
5614 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5617 * Makefile.in (GCC_OBJS): New.
5618 (OBJS-common): Add opts-common.o.
5619 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5620 (cpp$(exeext)): Likewise.
5621 (gcc.o): Also depend on opts.h.
5622 (opts-common.o): New.
5624 * common.opt (gcoff): Add Negative(gdwarf-2).
5625 (gdwarf-2): Add Negative(gstabs).
5626 (gstabs): Add Negative(gstabs+).
5627 (gstabs+): Add Negative(gvms).
5628 (gvms): Add Negative(gxcoff).
5629 (gxcoff): Add Negative(gxcoff+).
5630 (gxcoff+): Add Negative(gcoff).
5631 * config/i386/i386.opt (m32): Add Negative(m64).
5632 (m64): Add Negative(m32).
5634 * doc/options.texi: Document the Negative option.
5636 * gcc.c: Include "opts.h".
5637 (main): Call prune_options after expandargv.
5639 * optc-gen.awk: Generate common declarations for all flag
5640 variables in options.c. Output the neg_index field.
5642 * opts.c (find_opt): Moved to ...
5643 * opts-common.c: Here. New file.
5645 * opts.h (cl_option): Add a neg_index field.
5647 (prune_options): Likewise.
5649 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5652 * omp-low.c (expand_omp_parallel): Don't assert
5653 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5654 instead search for it.
5657 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5660 2006-05-16 Andreas Schwab <schwab@suse.de>
5662 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5665 2006-05-15 Roger Sayle <roger@eyesopen.com>
5668 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5669 integer constants other than zero are only legitimate on TARGET_64BIT.
5670 <CONST_VECTOR> Only zero vectors are legitimate.
5671 (ix86_cannot_force_const_mem): Integral and vector constants can
5672 always be put in the constant pool.
5674 2006-05-16 DJ Delorie <dj@redhat.com>
5676 * crtstuff.c (__dso_handle): Set section from
5677 TARGET_LBIGCC_SDATA_SECTION if defined.
5678 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5679 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5681 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5684 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5687 2006-05-16 Ben Elliston <bje@au.ibm.com>
5689 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5691 2006-05-15 Per Bothner <per@bothner.com>
5693 * tree.c: (last_annotated_node): Use source_locus typedef.
5694 This permits bootstrapping with --enable-mapped-location.
5696 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5698 PR tree-optimization/26830
5699 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5700 (info_for_ssa_name, current_info_for_ssa_name_age,
5701 blocks_to_update): New variables.
5702 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5703 (clear_ssa_name_info, initialize_flags_in_bb,
5704 mark_block_for_update): New functions.
5705 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5706 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5707 prepare_def_site_for): Use mark_block_for_update.
5708 (mark_def_interesting): Assert that the processed block is marked in
5709 blocks_to_update. Do not take blocks argument.
5710 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5712 (rewrite_update_init_block, rewrite_update_stmt): Only process
5713 blocks with statements to rewrite.
5714 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5715 (update_ssa): Initialize and free blocks_to_update. Do not
5716 clear flags on statements. Do not use blocks bitmap.
5717 * tree.h (SSA_NAME_AUX): Removed.
5718 (struct tree_ssa_name): Removed aux field.
5719 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5721 2006-05-15 Richard Guenther <rguenther@suse.de>
5723 PR tree-optimization/27603
5724 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5725 Do computations in original type.
5727 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5729 * see.c: Code style changes such as redundant paranthesis,
5730 redundant intialization of local variables etc.
5731 (see_main): Declared now as static.
5732 * doc/invoke.texi: Update that -fsee is not enabled by
5735 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5737 * omp-low.c (check_omp_nesting_restrictions): New function.
5738 (scan_omp_1): Call it.
5741 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5742 construct, return *VAR.
5744 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5746 PR rtl-optimization/27406
5747 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5750 2006-05-14 Roger Sayle <roger@eyesopen.com>
5752 PR rtl-optimization/27538
5753 * combine.c (expand_compound_operation): Call gen_lowpart
5754 before calling simplify_shift_const.
5756 2006-05-14 Roger Sayle <roger@eyesopen.com>
5758 PR rtl-optimization/22563
5759 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5760 a fixed width bitfield, always force the intermediates into psuedos.
5762 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5765 * mkconfig.sh: Use operator = instead of == for test.
5767 2006-05-13 Nick Clifton <nickc@redhat.com>
5769 * dwarf2out.c (dbx_reg_number): Check return value from
5770 LEAF_REG_REMAP and only use it if it is valid.
5771 (multiple_reg_loc_descriptor): Likewise.
5773 2006-05-13 Richard Guenther <rguenther@suse.de>
5775 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5778 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5780 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5781 information attached to non-INSNs such as NOTEs.
5782 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5784 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5786 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5788 * config/s390/s390.md: Adjust comment describing On constraint.
5790 2006-05-11 Jan Hubicka <jh@suse.cz>
5792 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5793 to be output at -O0.
5795 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5798 * fold-const.c (size_binop): Move sanity check for arguments to
5799 the beginning of the function.
5802 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5805 2006-05-11 Richard Guenther <rguenther@suse.de>
5808 * fold-const.c (fold_unary): Handle intermediate conversion
5809 to a pointer type like intermediate conversion to an integer
5810 type in folding of (T1)(T2)var to var.
5811 Match the code to the comment in the final conversion for
5812 (T1)(T2)var to (T1)var regarding to type precision. Rather
5813 than disallow T1 being of pointer type, assert that both T1
5814 and var are of pointer type or not. Make sure not to fall
5815 over the frontends lazyness wrt array to pointer decay though.
5817 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5819 * arm.c (arm_struct_value_rtx): Delete.
5820 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5821 (arm_init_cumulative_args): Always initialize nregs to zero.
5823 2006-05-10 Richard Guenther <rguenther@suse.de>
5825 PR tree-optimization/27532
5826 * tree-object-size.c (plus_expr_object_size): Fix typo.
5828 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5831 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5832 ashrdi_const, ashrdi3): Use a scratch register.
5834 2006-05-10 Richard Guenther <rguenther@suse.de>
5836 PR tree-optimization/27302
5837 * fold-const.c (operand_equal_p): For two comparisons,
5838 try comparison of one comparison code swapped if that yields
5841 2006-05-10 Ben Elliston <bje@au.ibm.com>
5843 * tree-pretty-print.c (pretty_print_string): No need to handle
5844 '\0' as a special character.
5846 * tree.h: Include "hashtab.h".
5847 (iterative_hash_expr): Use hashval_t in its prototype.
5848 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5850 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5853 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5854 (hppa*64*-*-hpux11*): Ditto.
5855 (hppa[12]*-*-hpux11*): Ditto.
5857 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5860 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5862 2006-05-09 Michael Matz <matz@suse.de>
5864 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5865 host_extra_gcc_objs and host_xmake_file.
5866 (<*-*-linux*>): Don't overwrite host_xmake_file.
5867 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5868 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5869 (host_detect_local_cpu): Declare.
5870 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5871 * config/i386/i386.c (override_options): Handle -mtune=native
5873 * config/i386/x-i386: New file.
5874 * config/i386/driver-i386.c: New file.
5875 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5878 2006-05-09 Dirk Mueller <dmueller@suse.de>
5879 Richard Guenther <rguenther@suse.de>
5882 * fold-const.c (fold_read_from_constant_string): Relax check
5883 for matching types to matching modes.
5885 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5887 PR rtl-optimization/27335
5888 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5891 2006-05-08 Chao-ying Fu <fu@mips.com>
5892 Richard Sandiford <richard@codesourcery.com>
5894 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5895 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5896 * config/mips/mips.md (UNSPEC_SCC): New constant.
5897 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5898 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5899 (mips_emit_compare): Use it.
5900 (mips_expand_vcondv2sf): New function.
5902 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5904 Fix PR tree-optimization/27093
5905 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5906 renaming when they become not-used_alone.
5908 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5910 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5911 relocation and relocation stubs.
5913 2006-05-08 Eric Christopher <echristo@apple.com>
5915 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5918 2006-05-08 Jan Hubicka <jh@suse.cz>
5921 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5922 unused static functions are needed.
5924 2006-05-08 Roger Sayle <roger@eyesopen.com>
5927 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5928 of a reg_equiv_constant if the result is a legitimate constant.
5930 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5933 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5934 standard 80387 constants, raise the cost to prevent
5935 compress_float_constant() to generate load from memory.
5937 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5939 * config/arm/constraints.md (c): Fix a typo.
5941 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5944 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5947 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5949 (_mm_mwait): Likewise.
5951 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5953 (sse3_monitor): Make it 32bit only.
5954 (sse3_monitor64): New. 64bit monitor.
5956 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5959 * config/i386/i386.c (classify_argument): Skip fields with invalid
5962 2006-05-07 Richard Guenther <rguenther@suse.de>
5964 PR tree-optimization/27409
5965 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5966 Do not try to find zero-sized subvars.
5968 2006-05-07 Richard Guenther <rguenther@suse.de>
5970 PR tree-optimization/27136
5971 * tree-ssa-loop-niter.c (get_val_for): Correct function
5972 comment, assert requirements.
5973 (loop_niter_by_eval): Stop processing if the iterated
5974 value did not simplify.
5976 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5978 * opts.c (flag_see): remove its setting at -O3.
5980 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5982 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5983 * arm/constraints.md: New file.
5984 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5985 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5986 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5987 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5988 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5989 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5990 * arm.md: Include constraints.md.
5991 (thumb_movsi_insn): Use satisfies_constraint_J.
5992 (movhi, movqi): Use satisfies_constraint_I.
5994 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5996 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5997 for atmeg a645 device.
5999 2006-05-06 Richard Guenther <rguenther@suse.de>
6001 PR tree-optimization/27151
6002 * tree-vect-transform.c (vectorizable_condition): Punt on
6003 values that have a different type than the condition.
6005 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6008 * c-parser.c (c_parser_cast_expression): Only insert casts into
6009 hash table if pointer.
6010 * function.c (used_types_insert_helper): Rename from
6012 (used_types_insert): Call used_types_insert_helper.
6013 * function.h (used_types_insert): Accept only one argument.
6015 2006-05-05 David Edelsohn <edesohn@gnu.org>
6017 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6018 scratch with output modifier.
6020 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6023 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6024 with output modifier.
6026 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6029 * config/mips/mips.c (mips_symbolic_address_p): Return true
6030 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6031 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6033 2006-05-04 Richard Guenther <rguenther@suse.de>
6035 PR tree-optimization/14287
6036 PR tree-optimization/14844
6037 PR tree-optimization/19792
6038 PR tree-optimization/21608
6039 PR tree-optimization/27090
6040 * tree-ssa-pre.c (try_combine_conversion): New function.
6041 (compute_avail): After constructing the value-handle
6042 expression, use try_combine_conversion to combine NOP_EXPRs
6043 with previous value-handle expressions and use the result if it
6046 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6048 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6050 2006-05-04 Jan Hubicka <jh@suse.cz>
6053 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6055 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6057 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6058 that this only matches CONST_INTs. All users changed to VOIDmode
6061 * config/bfin/bfin.c: Include "optabs.h".
6062 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6064 (enum bfin_builtins): Add a number of fractional and vector builtins.
6065 (bfin_init_builtins): Likewise.
6066 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6067 (safe_vector_operand, bfin_expand_binop_builtin,
6068 bfin_expand_unop_builtin): New functions.
6069 (bfin_expand_builtin): Handle the new builtins.
6070 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6073 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6076 * Makefile.in (OBJS-common): Add see.o.
6077 (see.o): Add dependencies.
6078 * common.opt (fsee): New flag for the see optimization was added.
6079 * opts.c (flag_see): Initialized.
6080 * passes.c (init_optimization_passes, pass_see): New pass.
6081 * rtl.h (see_main): Declaration as extern.
6082 * timevar.def (TV_SEE): New.
6083 * tree-pass.h (pass_see): Declaration as extern.
6084 * invoke.texi (-fsee): Document.
6085 * recog.c (validate_simplify_insn): New function.
6086 * recog.h (validate_simplify_insn): Declaration as extern.
6087 * df-problems.c (df_chain_dump): Check for NULL.
6089 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6090 Daniel Berlin <dberlin@dberlin.org>
6092 * cfgrtl.c (insert_insn_bb_end_new): New function.
6093 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6095 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6097 * df.h (struct web_entry): Moved from web.c.
6098 (union_defs): Declaration as extern.
6099 (unionfind_root): Likewise.
6100 (unionfind_union): Likewise.
6101 * web.c (struct web_entry): Moved to df.h.
6102 (unionfind_root): Remove static declaration.
6103 (unionfind_union): Likewise.
6104 (union_defs): Likewise and generalize to use callback function.
6105 (web_main): Update arguments for union_defs function call.
6107 2006-05-04 Richard Guenther <rguenther@suse.de>
6109 PR tree-optimization/26447
6110 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6111 produce SSA_NAME copies before the store stmt to avoid
6112 breaking exception handling.
6114 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6117 * gimplify.c (omp_is_private): If var is shared in some outer context,
6118 return false instead of true. Stop searching on parallel context
6121 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6124 * coverage.c: Use get_gcov_unsigned_t() instead of
6125 unsigned_type_node all over.
6127 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6129 PR tree-optimization/27381
6130 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6131 maintain the same immediate_use links.
6132 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6133 node rather than segfaulting.
6135 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6138 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6139 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6140 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6142 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6144 Fix PR tree-optimization/26626
6145 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6147 * tree-ssa-operands.c (access_can_touch_variable): Allow
6148 typecasting through union pointers.
6150 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6153 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6154 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6155 to find if var will be a global variable even in the nested context.
6156 (omp_copy_decl): Only check for global variable at the end, it might
6157 be overridden in outer contexts.
6158 (scan_sharing_clauses): For global variables don't create a field.
6159 (lower_rec_input_clauses): Do nothing for global shared variables.
6160 Emit a barrier at the end of ILIST if there were any decls in both
6161 firstprivate and lastprivate clauses.
6162 (lower_send_clauses): Do nothing for global variables except for
6165 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6167 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6168 of the correct signedness is returned.
6170 2006-05-02 Jeff Law <law@redhat.com>
6172 PR tree-optimization/27364
6173 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6174 multiply expressions.
6176 2006-05-02 Tom Tromey <tromey@redhat.com>
6178 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6180 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6183 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6184 -mthumb -fPIC are used.
6186 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6187 Joshua Kinard <kumba@gentoo.org>
6190 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6191 with 64-bit pointers.
6193 2006-05-02 Paul Brook <paul@codesourcery.com>
6195 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6197 (create_fix_barrier): Check that a suitable barrier location is
6199 (arm_reorg): Include ftmp->address in allowable range of addresses.
6201 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6204 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6207 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6210 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6211 around RESULT_DECL for result passed by reference.
6212 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6213 * omp-low.c (use_pointer_for_field): Don't look at
6214 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6215 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6216 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6217 time or var for passing by reference for
6218 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6219 TREE_ADDRESSABLE variables when passing by reference.
6221 * omp-low.c (dump_omp_region): Fix output formatting.
6224 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6225 (expand_omp_parallel): Likewise.
6226 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6229 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6230 on statement list containing also constructors and destructors.
6231 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6234 * except.c (duplicate_eh_regions): Fix clearing of
6235 cfun->eh->region_array entries.
6237 2006-05-01 DJ Delorie <dj@redhat.com>
6239 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6241 (gcc_cv_objdump): Likewise.
6242 * configure: Regenerated.
6244 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6247 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6248 templates for case 3 and 4.
6250 2006-05-01 DJ Delorie <dj@redhat.com>
6252 * vec.c: Include bconfig.h when appropriate.
6253 * Makefile.in (build/vec.o): Adjust dependencies.
6254 * mkconfig.sh: Make sure config.h isn't used for build machine
6257 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6259 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6261 (mark_phi_for_rewrite): New function.
6262 (insert_phi_nodes_for, mark_use_interesting): Call
6263 mark_phi_for_rewrite.
6264 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6265 (update_ssa): Initialize and free phis_to_rewrite.
6267 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6269 PR rtl-optimization/27291
6270 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6271 folded to a constant.
6273 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6275 PR tree-optimization/27283
6276 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6277 not whole # of iteration descriptions.
6278 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6279 uses abnormal ssa name.
6280 (niter_for_single_dom_exit): Ditto.
6281 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6282 return just the number of iterations.
6284 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6286 PR tree-optimization/27144
6287 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6288 (record_estimate): Only record constant upper bound.
6289 (infer_loop_bounds_from_undefined): Call
6290 compute_estimated_nb_iterations just once.
6291 (proved_non_wrapping_p): Renamed to ...
6292 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6293 (convert_step_widening, scev_probably_wraps_p): Call
6294 n_of_executions_at_most instead of proved_non_wrapping_p.
6295 (substitute_in_loop_info): Do not replace values in bounds.
6296 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6299 2006-05-01 Richard Henderson <rth@redhat.com>
6302 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6303 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6306 2006-05-01 Roger Sayle <roger@eyesopen.com>
6308 * c-typeck.c (parser_build_binary_op): Don't call the function
6309 unsigned_conversion_warning to spot operand/result type overflow.
6310 (build_binary_op): Instead, call convert_and_check instead of
6311 convert to report the problem when the operands are promoted.
6312 * c-common.c (unsigned_conversion_warning): Make static.
6313 * c-common.h (unsigned_conversion_warning): Delete prototype.
6315 2006-05-01 Richard Guenther <rguenther@suse.de>
6317 PR tree-optimization/26726
6318 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6320 (find_interesting_uses_address): ... we work around here
6321 by folding INDIRECT_REFs in the substituted base.
6323 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6325 * omp-low.c (dump_omp_region): Add newlines.
6327 2006-04-30 Roger Sayle <roger@eyesopen.com>
6329 * common.opt (Woverflow): New command line option.
6330 * c-common.c (constant_expression_warning): Check warn_overflow.
6331 (overflow_waring): Pass OPT_Woverflow to warning.
6332 (unsigned_conversion_warning): Likewise.
6333 (convert_and_check): Likewise.
6334 * doc/invoke.texi: Document new command line option.
6336 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6338 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6339 TARGET_NO_FP_IN_TOC for section anchors.
6340 (optimization_options): Enable section anchors for all
6341 non-"Objective" languages.
6343 2006-04-28 Eric Christopher <echristo@apple.com>
6345 * config/darwin-c.c (darwin_ms_struct): Move this
6346 (darwin_set_default_type_attributes): and this...
6347 * config/darwin.c: ... here.
6348 * config/darwin.h (darwin_ms_struct): Declare.
6350 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6352 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6354 2006-04-28 Roger Sayle <roger@eyesopen.com>
6357 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6358 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6359 an unsigned HOST_WIDE_INT.
6360 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6362 (really_start_incremental_init): No need to call convert because
6363 bitsize_zero_node is already of type bitsizetype.
6364 (push_init_level): Extract the value of constructor_index as an
6365 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6366 (process_init_element): Likewise.
6368 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6370 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6371 value before passing to make_relative_prefix.
6373 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6376 * builtins.c (expand_builtin_memset): Expand val in original mode.
6378 2006-04-27 Eric Christopher <echristo@apple.com>
6380 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6381 with #ifndef/#endif.
6382 * config/darwin-c.c (darwin_ms_struct): New.
6383 (darwin_pragma_ms_struct): Ditto.
6384 (darwin_set_default_type_attributes): Ditto.
6385 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6386 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6387 Register ms_struct pragma.
6388 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6389 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6390 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6391 darwin_set_default_type_attributes if TARGET_MACHO.
6393 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6395 PR tree-optimization/26854
6396 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6397 * doc/tree-ssa.texi: Update immuse iterator documentation.
6398 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6399 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6400 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6401 first_safe_imm_use, next_safe_imm_use): Remove.
6402 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6403 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6404 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6405 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6406 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6407 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6408 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6409 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6410 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6411 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6412 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6413 (perfect_nestify): Use new iterator.
6414 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6416 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6417 (next_imm_name): New field in struct immediate_use_iterator_d.
6418 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6419 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6420 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6421 * tree-cfg.c (replace_uses_by): Use new iterator.
6422 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6423 * tree-ssa-operands.c (correct_use_link): Remove.
6424 (finalize_ssa_use_ops): No longer call correct_use_link.
6426 2006-04-27 Stuart Hastings <stuart@apple.com>
6428 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6429 * config/t-darwin (crt3.o): Use it.
6430 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6431 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6432 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6433 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6434 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6437 2006-04-27 Roger Sayle <roger@eyesopen.com>
6439 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6440 size, force the intermediate into a new pseudo rather instead of
6441 performing both a bitwise AND and a bitwise IOR in memory.
6443 2006-04-27 Richard Guenther <rguenther@suse.de>
6445 PR rtl-optimization/26685
6446 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6447 this one "max-flow-memory-locations".
6449 2006-04-27 Richard Guenther <rguenther@suse.de>
6451 PR tree-optimization/25148
6452 * tree-vrp.c (compare_values): Remove code dealing with
6453 comparisons against type min/max value. Honour overflow
6454 and negative constants in code dealing with comparisons
6455 of plus and minus expressions.
6456 (value_inside_range): Use fold_binary with LE_EXPR and
6457 GE_EXPR rather than compare_values.
6459 2006-04-27 Dirk Mueller <dmueller@suse.de>
6461 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6464 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6466 * basic-block.h (safe_insert_insn_on_edge): Removed.
6467 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6469 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6470 Paolo Bonzini <bonzini@gnu.org>
6473 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6474 (simplify_and_const_int): Same.
6476 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6478 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6480 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6483 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6484 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6485 cgraph_global_info_ready.
6488 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6491 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6492 either decl or init is error_mark_node.
6495 * tree-flow.h (struct omp_region): Add sched_kind.
6496 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6497 instead of extracting omp for data.
6498 (expand_omp_for): Save extracted sched_kind.
6500 2006-04-25 Roger Sayle <roger@eyesopen.com>
6502 * expmed.c (store_bit_field): Also check whether the bitsize is
6503 valid for the machine's "insv" instruction before moving the
6504 target into a pseudo for use with the insv.
6505 * config/i386/predicates.md (const8_operand): New predicate.
6506 * config/i386/i386.md (extv, extzv, insv): Use the new
6507 const8_operand predicate where appropriate.
6509 2006-04-25 DJ Delorie <dj@redhat.com>
6511 * doc/install.texi (Specific): Clarify that this is not a list of
6512 supported hosts or targets.
6514 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6516 PR rtl-optimization/26725
6517 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6518 block's BB_DIRTY flag.
6520 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6522 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6525 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6526 to print an integer.
6528 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6530 * varasm.c (align_variable): New function.
6531 (get_block_for_decl): Apply align_variable to DECL before
6532 calculating section information.
6533 (assemble_variable): Split out alignment computation.
6535 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6537 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6540 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6542 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6543 MODE_PARTIAL_INT mode.
6544 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6545 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6547 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6548 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6550 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6552 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6554 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6555 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6556 MACFLAG_IH): Likewise.
6557 (movstricthi_1): Renamed from "*movstricthi".
6558 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6559 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6560 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6561 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6562 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6563 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6564 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6565 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6566 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6567 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6568 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6569 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6570 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6571 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6572 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6574 * doc/rtl.texi (ss_ashift): Improve wording.
6576 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6578 * dwarf2out.c (verify_marks_clear): New.
6579 (prune_unused_types): Call verify_marks_clear initially, not
6582 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6584 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6585 * doc/rtl.texi: Document them.
6586 * simplify-rtx.c (simplify_unary_operation,
6587 simplify_binary_operation_1): Don't abort when we see them.
6589 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6592 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6593 * configure.ac: Completely disregard languages that are not
6595 * configure: Regenerated.
6597 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6598 Richard Guenther <rguenther@suse.de>
6600 PR tree-optimization/27236
6601 * tree-inline.c (copy_body_r): Make sure to copy
6602 TREE_THIS_VOLATILE flag.
6604 2006-04-24 Richard Guenther <rguenther@suse.de>
6607 * tree-complex.c (update_parameter_components): Don't handle
6608 unused parameters which have no default def.
6610 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6611 Richard Guenther <rguenther@suse.de>
6613 PR tree-optimization/27218
6614 * tree-inline.c (expand_call_inline): Strip useless type
6615 conversions for the return slot address.
6617 2006-04-24 Richard Guenther <rguenther@suse.de>
6619 * cfgloop.h (struct loops): Remove unused field array. Reorder
6621 (LOOP_PREFETCH): Remove.
6623 2006-04-24 Richard Guenther <rguenther@suse.de>
6625 PR tree-optimization/22525
6626 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6627 variable, adjust types of generated expressions.
6629 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6631 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6632 (tree-vect-patterns.o): Likewise.
6634 (cselib.o): Likewise.
6635 (loop-doloop.o): Likewise.
6636 (regclass.o): Likewise.
6637 (reload1.o): Likewise.
6638 (explow.o): Replace target.h with $(TARGET_H).
6639 (ipa-prop.o): Likewise.
6640 (ipa-cp.o): Likewise.
6641 (ipa-inline.o): Likewise.
6642 (reorg.o): Likewise.
6643 (reg-stack.o): Likewise.
6645 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6647 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6649 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6651 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6653 * configure.ac: Completely disregard languages that are not
6655 * configure: Regenerated.
6658 * c-common.h (c_build_bitfield_integer_type): Declare.
6659 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6660 * c-common.c (c_build_bitfield_integer_type): ... here.
6662 2006-04-23 Roger Sayle <roger@eyesopen.com>
6665 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6666 a SImode SUBREG of a floating point register after no_new_pseudos.
6668 2006-04-23 Roger Sayle <roger@eyesopen.com>
6670 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6671 identify potentially eliminable registers to additionally catch
6672 VIRTUAL_INCOMING_ARGS_REGNUM.
6673 (addsi3): Update the conditions on when to use addsi_small_int.
6675 2006-04-23 Roger Sayle <roger@eyesopen.com>
6678 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6679 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6680 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6682 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6684 * fold-const.c (range_predecessor): Use operand_equal_p
6685 as the predicate for equality.
6686 (range_successor): Likewise.
6688 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6691 * config/soft-fp/op-common.h: Fix a typo.
6693 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6696 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6697 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6699 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6701 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6703 * doc/tm.texi: Fix a typo.
6705 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6707 * dwarf2out.c (struct die_struct): Document that die_sib makes
6708 a circular linked list.
6709 (FOR_EACH_CHILD): New.
6710 (reverse_die_lists): Delete.
6711 (reverse_all_dies): Delete.
6712 (add_dwarf_attr): Correct documentation.
6713 (remove_child_with_prev): New.
6714 (remove_child_TAG): Update for change to die_struct, use
6715 remove_child_with_prev.
6716 (add_child_die): Update for change to die_struct.
6717 (splice_child_die): Use remove_child_with_prev and add_child_die.
6718 (print_die): Use FOR_EACH_CHILD.
6719 (die_checksum): Likewise.
6720 (assign_symbol_names): Likewise.
6721 (output_location_lists): Likewise.
6722 (build_abbrev_table): Likewise.
6723 (calc_die_sizes): Likewise.
6724 (mark_dies): Likewise.
6725 (unmark_dies): Likewise.
6726 (unmark_all_dies): Likewise.
6727 (output_die): Likewise.
6728 (prune_unused_types_mark): Likewise.
6729 (prune_unused_types_walk): Likewise.
6730 (same_die_p): Update for change to die_struct.
6731 (break_out_includes): Likewise.
6732 (prune_unused_types_prune): Likewise.
6733 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6734 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6736 (dwarf2out_finish): Don't call reverse_all_dies.
6738 2006-04-21 Eric Christopher <echristo@apple.com>
6740 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6741 in comments and function names.
6743 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6746 * c-typeck.c (digest_init): Robustify.
6748 * c-typeck.c (pop_init_level): Simplify.
6750 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6752 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6754 2006-04-21 Paul Brook <paul@codesourcery.com>
6756 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6757 hardware floating point.
6759 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6761 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6764 2006-04-21 Nick Clifton <nickc@redhat.com>
6766 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6769 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6772 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6773 C++ lang type in traceback table for Objective-C++.
6775 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6777 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6779 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6781 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6784 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6785 were errors. Remove check for erroneous objects.
6787 2006-04-20 Jeff Law <law@redhat.com>
6789 PR tree-optimization/26854
6790 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6791 checking for zero or one use.
6792 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6793 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6794 * tree-ssa-reassoc.c (negate_value): Similarly.
6795 (reassociate_bb): Similarly.
6797 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6799 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6800 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6801 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6803 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6805 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6806 fp regs if the last fp arg doesn't fit in regs.
6808 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6811 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6812 that the last insn has the REG_INC note.
6814 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6815 Nathan Sidwell <nathan@codesourcery.com>
6818 * stor-layout.c (update_alignment_for_field): Do not align
6820 (place_union_field): Place union field at the start of the union.
6821 (place_field): Move ERROR_MARK check later, and use the current
6822 allocation position to maintain monotonicity.
6824 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6826 * dominance.c: Include timevar.h.
6827 (calculate_dominance_info): Use TV_DOMINANCE.
6828 * timevar.def (TV_DOMINANCE): New timevar.
6829 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6831 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6833 PR rtl-optimization/14261
6834 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6835 move would be an INSV insn.
6836 (noce_process_if_block): Don't optimize if the destination is a
6837 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6839 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6841 * config/s390/s390.md: Add comments with the instructions emitted
6842 by an insn pattern if macros are used.
6844 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6846 PR rtl-optimization/26026
6847 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6848 is a known power of two shifted left a variable amount.
6850 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6852 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6853 to hash table twice when the debug_str section has SECTION_MERGE.
6855 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6857 * config/soft-fp: New directory. From glibc.
6858 * config/soft-fp/t-softfp: New.
6859 * config/soft-fp/README: New.
6860 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6861 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6862 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6863 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6864 * config.gcc: Use rs6000/t-fprules-fpbit or
6865 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6867 * config/rs6000/sfp-machine.h: New. Based on glibc.
6868 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6870 * config/rs6000/t-fprules: Remove fp-bit rules.
6871 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6872 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6873 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6874 (softfp_wrap_start, softfp_wrap_end): New.
6876 2006-04-18 DJ Delorie <dj@redhat.com>
6878 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6880 2006-04-18 Devang Patel <dpatel@apple.com>
6882 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6884 2006-04-18 Nick Clifton <nickc@redhat.com>
6886 * config/sh/t-symbian: Add rule to build sh-c.o
6887 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6888 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6889 (sh_symbian_encode_section_info): Likewise.
6891 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6893 * builtins.c (expand_builtin_strcmp): Cover label definition of
6894 do_libcall with HAVE_cmpstrnsi.
6896 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6898 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6900 * function.h (temp_slot_p): New.
6901 (function): Change the type of x_used_temp_slots to
6902 VEC(temp_slot_p,gc) *.
6904 2006-04-18 Nick Clifton <nickc@redhat.com>
6906 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6907 flag_strength_reduce.
6909 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6911 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6915 Partial revert of revision 112637
6916 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6917 Dale Johannesen <dalej@apple.com>
6920 * regclass.c (struct reg_pref): Update documentation.
6921 (regclass): Set prefclass to NO_REGS if memory is the best option.
6922 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6924 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6926 PR tree-optimization/26821
6927 * tree-ssa-math-opts.c (get_constant_one): New.
6928 (insert_reciprocals): Use it.
6930 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6932 * dwarf2out.c (free_AT): Delete.
6933 (remove_AT): Update string ref counts.
6934 (remove_child_TAG): Don't call free_die.
6936 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6937 or DW_TAG_GNU_EINCL.
6938 (prune_unused_types_walk_attribs): Reset string refcounts.
6939 (prune_unused_types_update_strings): New.
6940 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6941 call free_die. Do call prune_unused_types_update_strings.
6942 (prune_unused_types): Empty debug_str_hash.
6944 2006-04-17 Roger Sayle <roger@eyesopen.com>
6946 * expr.c (expand_assignment): Optimize away no-op moves where the
6947 source and destination are equal and have no side-effects.
6949 2006-04-17 Richard Guenther <rguenther@suse.de>
6952 * reload.c (push_reload): Guard calls to get_secondary_mem
6955 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6957 * alias.c (reg_base_value, old_reg_base_value): Change the
6958 type to VEC(rtx,gc) *.
6959 (REG_BASE_VALUE, find_base_value, record_set,
6960 init_alias_analysis): Use VEC instead of VARRAY.
6962 * alias.c (alias_sets): Change the type to
6963 VEC(alias_set_entry,gc) *.
6964 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6965 VEC instead of VARRAY.
6966 (last_alias_set): Remove.
6968 * cgraph.h (cgraph_edge_p): New.
6969 Update the prototype of cgraph_function_versioning.
6970 * cgraphunit.c (cgraph_copy_node_for_versioning,
6971 cgraph_function_versioning): Use VEC instead of VARRAY.
6972 * ipa-cp.c (ipcp_insert_stage): Likewise.
6974 2006-04-16 Roger Sayle <roger@eyesopen.com>
6977 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6978 "A op B" or "A op C", we may need to convert A to the type of B and C.
6980 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6982 * target.h (struct gcc_target): Add mode_rep_extended.
6983 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6984 (init_num_sign_bit_copies_in_rep): Initialize it using
6986 (truncate_to_mode): Use it.
6987 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6988 * targhooks.h (default_mode_rep_extended): Declare it.
6989 * targhooks.c (default_mode_rep_extended): Define it.
6990 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6991 default_mode_rep_extended.
6992 (TARGET_INITIALIZER): Include it.
6993 * doc/tm.texi (Misc): Document it.
6994 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6995 (mips_truncated_to_mode): New function.
6997 2006-04-16 Roger Sayle <roger@eyesopen.com>
7000 * expr.c (compress_float_constant): Copy the narrow constant into
7001 a new pseudo before extending it to its final width.
7003 2006-04-16 Roger Sayle <roger@eyesopen.com>
7004 Andrew Pinski <pinskia@gcc.gnu.org>
7005 Dale Johannesen <dalej@apple.com>
7008 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7009 special case code to implement V8HImode and V16QImode with SSE2.
7011 2006-04-15 Roger Sayle <roger@eyesopen.com>
7013 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7014 trees are constructed with a suitable tree type.
7016 2006-04-15 Roger Sayle <roger@eyesopen.com>
7018 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7019 (integer_onep): Likewise.
7020 (integer_all_onesp): Likewise.
7021 (integer_pow2p): Likewise.
7022 (integer_nonzerop): Likewise.
7023 (real_zerop): Likewise.
7024 (real_onep): Likewise.
7025 (real_twop): Likewise.
7026 (real_minus_onep): Likewise.
7027 (int_size_in_bytes): Likewise.
7028 (host_integerp): Likewise.
7030 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7032 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7033 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7034 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7036 * tree-ssa-structalias.h (alias_info): Remove num_references.
7038 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7040 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7041 (output_bvb patterns): Likewise.
7042 * pa.c (output_bb): Use 'bb' insn for long branch case.
7043 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7044 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7045 1. Correct length operand for alternatives 1 and 2.
7046 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7047 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7049 2006-04-14 Roger Sayle <roger@eyesopen.com>
7051 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7052 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7053 were accidentally reverted by r112959.
7055 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7058 * except.h (eh_region_outermost): New prototype.
7059 * except.c (eh_region_outermost): New function.
7060 * tree-cfg.c (find_outermost_region_in_block): Use it.
7062 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7064 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7066 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7067 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7068 (init_reload, reload): Use VEC instead of VARRAY.
7069 * reload.h: Update the prototype for
7070 reg_equiv_memory_loc_varray.
7072 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7073 Eric Botcazou <ebotcazou@libertysurf.fr>
7075 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7078 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7081 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7082 to expand fallback builtin function call.
7084 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7087 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7088 and emit libcall here in case the builtin fails.
7089 (expand_builtin_strcmp): Always emit the libcall here on failure.
7091 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7093 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7094 * flow.c (reg_n_info): Change the type to
7095 VEC(reg_info_p,heap) *.
7096 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7098 * regs.h (reg_info_p): New.
7099 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7100 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7101 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7104 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7106 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7108 * params.h (MAX_SCHED_READY_INSNS): New macro.
7109 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7110 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7111 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7112 the ready list for 1 cycle during the first scheduling pass.
7113 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7115 2006-04-13 Richard Henderson <rth@redhat.com>
7118 * gimple-low.c (lower_omp_directive): Remove dead code.
7119 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7120 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7121 * omp-low.c (struct omp_region): Move to tree-flow.h.
7122 (root_omp_region): Export.
7123 (omp_regions, lookup_omp_region): Remove.
7124 (determine_parallel_type): Update for struct omp_region changes.
7125 (dump_omp_region): Dump regions with block numbers.
7126 (new_omp_region): Take type and block instead of stmt; malloc
7128 (free_omp_region_1, free_omp_regions): New.
7129 (expand_parallel_call): Take entry_stmt as argument; update for
7130 changes to omp_region.
7131 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7132 (remove_exit_barriers): New.
7133 (expand_omp_parallel): Update for struct omp_region changes.
7134 (expand_omp_synch): Likewise.
7135 (expand_omp): Likewise.
7136 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7137 (expand_omp_for_static_chunk): Likewise.
7138 (expand_omp_for): Likewise.
7139 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7140 (expand_omp_sections): Similarly, with GOMP_sections_end.
7141 (expand_omp_single): New.
7142 (build_omp_regions_1): Update for OMP_CONTINUE.
7143 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7144 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7145 OMP_SECTIONS_SECTIONS.
7146 (lower_omp_single_simple): Don't emit barrier here.
7147 (lower_omp_single_copy): Likewise.
7148 (lower_omp_single): Fix bindings, and lower to straightline now.
7149 (lower_omp_master, lower_omp_ordered): Likewise.
7150 (lower_omp_critical): Likewise.
7151 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7152 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7153 omp edges, free it afterward.
7154 (make_omp_sections_edges): Remove.
7155 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7156 (move_stmt_r): Handle OMP_CONTINUE.
7157 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7158 statement pointers to basic blocks. Add type member.
7159 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7160 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7161 * tree-inline.c (estimate_num_insns_1): Likewise.
7162 * tree-pretty-print.c (dump_generic_node): Likewise.
7163 * tree-ssa-operands.c (get_expr_operands): Likewise.
7164 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7165 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7166 (OMP_CONTINUE): New.
7167 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7168 (OMP_SECTIONS_SECTIONS): Remove.
7169 (OMP_SECTION_LAST): New.
7170 (OMP_RETURN_NOWAIT): New.
7172 2006-04-13 Roger Sayle <roger@eyesopen.com>
7174 * fold-const.c (native_encode_vector, native_interpret_real):
7175 Correct obvious mistakes in the previous check-in.
7177 2006-04-13 Roger Sayle <roger@eyesopen.com>
7179 * fold-const.c (native_encode_expr): New function to encode
7180 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7181 or VECTOR_CST into a specified buffer.
7182 (native_encode_int): New function.
7183 (native_encode_real): New function.
7184 (native_encode_complex): New function.
7185 (native_encode_vector): New function.
7186 (native_interpret_expr): Inverse of native_encode_expr to convert
7187 a target representation into an INTEGER_CST, REAL_CST etc...
7188 (native_interpret_int): New function.
7189 (native_interpret_real): New function.
7190 (native_interpret_complex): New function.
7191 (native_interpret_vector): New function.
7192 (fold_view_convert_expr): New function to constant fold/evaluate
7193 a VIEW_CONVERT_EXPR of a suitable constant expression.
7194 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7195 Change call of build1 to fold_build1 when constructing a
7198 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7199 Ulrich Weigand <uweigand@de.ibm.com>
7202 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7205 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7208 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7209 optimize to lo_sum for DFmode if !TARGET_FPRS.
7211 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7213 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7214 delete_alias_info, compute_flow_sensitive_aliasing,
7215 group_aliases): Use VEC instead of VARRAY.
7216 * tree-ssa-structalias.c (update_alias_info): Likewise.
7217 * tree-ssa-structalias.h (alias_info): Change the type of
7218 processed_ptrs to VEC(tree,heap) *.
7220 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7223 * config/sh/lib1funcs.h: New file, broken out of:
7224 * config/sh/lib1funcs.asm.
7225 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7227 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7228 * config/sh/lib1funcs-Os-4-200.asm: New file.
7229 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7230 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7231 (EXTRA_MULTILIB_PARTS): Include it.
7232 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7233 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7234 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7235 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7238 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7240 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7241 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7242 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7244 * tree-ssa-live.h: Include vecprim.h.
7245 (tree_partition_associator_d): Change the type of
7246 first_partition to VEC(int,heap) *.
7247 (tpa_first_partition): Use VEC instead of VARRAY.
7249 * Makefile.in (GTFILES): Move functions.h after tree.h.
7250 * function.c (reset_block_changes, record_block_change,
7251 check_block_change, free_block_changes): Use VEC instead of
7253 * function.h (function): Change the type of
7254 ib_boundaries_block to VEC(tree,gc) *.
7255 * tree-inline.c (copy_cfg_body): Initialize
7256 ib_boundaries_block to NULL instead of (varray_type) 0.
7258 2006-04-12 Roger Sayle <roger@eyesopen.com>
7260 * expr.c (emit_group_store): Correct operand order in call to
7261 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7262 a SUBREG_BYTE of zero.
7264 2006-04-12 Richard Guenther <rguenther@suse.de>
7266 * profile.c (compute_branch_probabilities): Remove code
7267 encapsulated in !ir_type (), which are remanents of the
7268 removed RTL profiling code.
7269 * rtl-profile.c: Remove.
7271 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7273 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7274 magic NULL_RTX comment.
7275 (function_arg): Store entire fp arg to mem if any part should go
7277 (rs6000_arg_partial_bytes): Adjust for above change.
7279 2006-04-11 Roger Sayle <roger@eyesopen.com>
7281 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7282 if it hasn't been initialized by dwarf2out_init.
7284 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7286 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7287 symbolic constants in branch patterns.
7289 2006-04-11 Roger Sayle <roger@eyesopen.com>
7291 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7293 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7295 PR rtl-optimization/27073
7296 * gcse.c (try_replace_reg): Revert last change. Continue to search
7297 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7300 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7302 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7303 aggregate types other than record and union types.
7304 (function_arg): Likewise.
7305 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7307 (function_value): In 64-bit mode, return objects that require it
7310 2006-04-11 Roger Sayle <roger@eyesopen.com>
7312 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7314 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7316 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7318 2006-04-03 Jeff Law <law@redhat.com>
7321 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7322 alias information too.
7324 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7326 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7328 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7331 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7332 (premark_used_types_helper): New.
7333 (premark_used_types): New.
7334 (gen_subprogram_die): Call premark_used_types.
7335 (prune_unused_types_walk): Do not prune perennial dies.
7336 * function.c (used_types_insert): New.
7337 * function.h (struct function): Add used_types_hash field.
7338 (used_types_insert): Add prototype.
7339 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7340 * c-parser.c (c_parser_cast_expression): Save casted types in used
7343 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7346 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7347 rs6000_explicit_options.float_gprs.
7349 2006-04-10 Roger Sayle <roger@eyesopen.com>
7351 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7352 from ix86_expand_vector_init_low_nonzero. Take an additional
7353 one_var argument indicating which element is non-zero. Support
7354 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7355 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7356 with one_var instead of ix86_expand_vector_init_low_nonzero.
7358 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7360 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7361 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7362 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7363 build/genextract.o): Depend on vecprim.h.
7364 * cfglayout.c, df-problems.c, function.c, genextract.c,
7365 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7366 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7370 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7372 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7373 Declare VECs of this type.
7374 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7375 (remove_children): Delete.
7376 (add_dwarf_attr): Use VEC routines.
7377 (add_AT_flag): Update for changes to add_dwarf_attr.
7378 (add_AT_int): Likewise.
7379 (add_AT_unsigned): Likewise.
7380 (add_AT_long_long): Likewise.
7381 (add_AT_vec): Likewise.
7382 (add_AT_string): Likewise.
7383 (add_AT_die_ref): Likewise.
7384 (add_AT_fde_ref): Likewise.
7385 (add_AT_loc): Likewise.
7386 (add_AT_loc_list): Likewise.
7387 (add_AT_addr): Likewise.
7388 (add_AT_lbl_id): Likewise.
7389 (add_AT_lineptr): Likewise.
7390 (add_AT_macptr): Likewise.
7391 (add_AT_offset): Likewise.
7392 (add_AT_range_list): Likewise.
7393 (get_AT): Use VEC_iterate.
7394 (remove_AT): Use VEC_ordered_remove.
7395 (free_die): Fold remove_children into here; have it use VEC_iterate.
7396 (print_die): Use VEC_iterate on attrs.
7397 (reverse_die_lists): Don't reverse attr lists.
7398 (die_checksum): Use VEC_iterate on attrs.
7399 (same_die_p): Likewise.
7400 (output_location_lists): Likewise.
7401 (build_abbrev_table): Likewise.
7402 (size_of_die): Likewise.
7403 (unmark_all_dies): Likewise.
7404 (output_abbrev_section): Likewise.
7405 (output_die): Likewise.
7406 (prune_unused_types_walk_attribs): Likewise.
7408 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7410 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7412 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7415 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7417 2006-04-09 Roger Sayle <roger@eyesopen.com>
7419 * expr.c (store_constructor): Don't bother clearing target if
7420 we're about to assign a vector to it using vec_init_optab.
7422 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7424 * tree-ssa-alias.c (lhs_may_store_to): New function.
7425 (recalculate_used_alone): Handle LHS of calls.
7427 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7431 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7432 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7433 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7434 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7435 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7436 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7437 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7438 stubs. Add ".align 8" directives before all ".dword" directives.
7439 (GTHREAD_USE_WEAK): Revise comment.
7440 (TARGET_ATTRIBUTE_WEAK): Define.
7441 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7442 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7443 * stublib.c: New file.
7448 * pa.md (cbranch patterns): Revise arguments used in calls to
7449 output_cbranch, output_bb and output_bvd. Add long branch length
7451 (fbranch patterns): Handle long branches.
7452 (jump): Revise length check. Revise arguments for output_lbranch call.
7453 Add long branch length attributes.
7454 (decrement_and_branch_until_zero): Add long branch length attributes.
7455 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7456 Likewise. Revise arguments for output_parallel_addb and
7457 output_parallel_movb calls.
7458 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7459 output_parallel_movb and output_parallel_addb): Update prototypes.
7460 * pa.c (output_cbranch): Revise arguments. Correct handling of
7461 nullification in long branches.
7462 (output_lbranch): Add new argument to control extraction of delay
7464 (output_bb): Handle long branches.
7465 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7466 output_parallel_addb): Likewise.
7468 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7470 PR rtl-optimization/27073
7471 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7474 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7476 * tree.h (tree_memory_tag): Add old_used_alone.
7477 (SMT_OLD_USED_ALONE): New macro.
7478 * tree-ssa-alias.c (recalculate_used_alone): Stop
7479 marking things for renaming unnecessarily.
7481 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7483 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7484 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7485 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7486 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7487 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7488 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7489 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7490 spelling convensions.
7491 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7492 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7493 typos. Follow spelling conventions.
7495 2006-04-07 DJ Delorie <dj@redhat.com>
7497 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7498 passed on the stack.
7499 (m32c_init_cumulative_args): When a function returns a structure,
7500 always pass the pointer to that return area on the stack.
7501 (m32c_function_arg_advance): Don't increment the parameter number
7502 if we're processing the returned structure pointer.
7503 (pushm_info): Reverse order of registers.
7505 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7507 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7508 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7509 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7510 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7512 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7513 chrec_fold_multiply): Same.
7514 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7515 force_expr_to_var_cost): Same.
7516 * tree-mudflap.c (mf_xform_derefs_1): Same.
7517 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7519 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7521 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7522 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7525 2006-04-07 Jan Hubicka <jh@suse.cz>
7527 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7529 2006-04-07 Richard Guenther <rguenther@suse.de>
7531 PR tree-optimization/26135
7532 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7533 loads for store copy-prop.
7534 (copy_prop_visit_stmt): Likewise.
7536 2006-04-05 Robert Millan <robertmh@gnu.org>
7538 * config/i386/linux.h: Add a comment to mark macros that are
7539 being overriden in config/k*bsd-gnu.h.
7540 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7542 * config/knetbsd-gnu.h: Ditto.
7544 2006-04-06 Jan Hubicka <jh@suse.cz>
7548 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7551 2006-04-06 Mike Stump <mrs@apple.com>
7553 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7554 for HAVE_nonlocal_goto to be consistent.
7555 (expand_builtin_nonlocal_goto): Likewise.
7556 (expand_builtin_strcmp): Use #ifdef instead of #if
7557 for HAVE_cmpstrnsi to be consistent.
7559 2006-04-05 DJ Delorie <dj@redhat.com>
7561 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7564 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7566 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7567 got-relative addressing for anything but SImode.
7569 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7570 even if the calling function doesn't modify them.
7572 2006-04-05 Richard Guenther <rguenther@suse.de>
7574 PR tree-optimization/26919
7575 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7576 to cgraph_estimate_size_after_inlining.
7578 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7580 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7582 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7584 PR tree-optimization/26996
7585 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7586 VECTOR_TYPE variables.
7588 2006-04-05 Richard Guenther <rguenther@suse.de>
7590 PR tree-optimization/26763
7591 * fold-const.c (fold_comparison): Move folding of
7592 PTR + CST CMP PTR + CST ...
7593 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7595 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7597 * doc/install.texi (Prerequisites): Refine some wording on
7598 bootstrapping and ksh.
7599 Move the version numbers of DejaGnu here from the testing section
7600 and fix casing of names.
7601 Fix markup and clarify wording for autogen requirements.
7602 Refer to GCJ instead of just java.
7603 Refer to SVN instead of CVS.
7604 Describe diffutils as useful instead of necessary.
7605 (Downloading the source): Refer to SVN instead of CVS.
7606 Adjust a link to our web site accordingly.
7607 (Configuration): Fix casing of Bison.
7608 (Building): Refer to SVN instead of CVS.
7609 Fix a sentence on the use of Bison and remove duplicate (and
7610 incorrect) version number of Bison requirement.
7611 Remove one redundant list of packages needed for building.
7612 (Specific): Avoid reference to CVS.
7614 2006-04-04 Eric Christopher <echristo@apple.com>
7616 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7617 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7618 (rs6000_handle_struct_attribute): New.
7619 (rs6000_ms_bitfield_layout_p): Ditto.
7621 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7623 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7624 NULL for dso parameter to atexit_common.
7626 2006-04-04 Eric Christopher <echristo@apple.com>
7628 * config/i386/i386.c (machopic_output_stub): Output \t
7629 between instructions and operands.
7631 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7633 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7634 satisfies_constraint_[IL] to explicit tests on value.
7636 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7638 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7639 set_nb_iterations_in_loop): Use build_int_cst instead of
7641 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7642 build_int_cst instead of convert.
7644 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7646 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7647 new value 2 for incoming.
7648 * function.c (expand_function_start): Call struct_value_rtx
7650 * config/sparc/sparc.md: Comment updated_return.
7651 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7652 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7653 struct return if sparc_std_struct_return and incoming is 2.
7654 (print_operand): Do not adjust return if
7655 sparc_std_struct_return.
7657 2006-04-04 Roger Sayle <roger@eyesopen.com>
7659 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7660 convert in the middle-end.
7661 * expr.c (store_expr, store_constructor, get_inner_reference,
7662 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7664 * tree.c (build_range_type): Likewise.
7666 2006-04-04 Tom Tromey <tromey@redhat.com>
7668 * doc/install.texi (Prerequisites): Mention jar.
7670 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7672 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7675 2006-04-04 Matthias Klose <doko@debian.org>
7677 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7681 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7684 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7686 * doc/extend.texi (Function Attributes): Rewrite visibility
7687 attribute documentation.
7688 * doc/invoke.texi (C++ Dialect Options): Rewrite
7689 -fvisibility-inlines-hidden documentation to describe something
7690 entirely different, although in practise compatible.
7691 (Code Gen Options): Warn about system headers in -fvisibility=
7694 * doc/extend.texi (Other Builtins): Document that
7695 __builtin_nan is a compile-time constant only when its argument
7698 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7700 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7701 trying to remove TRUNCATE check if all bits outside the new mode
7702 are identical to the sign bit.
7704 2006-04-03 Jeff Law <law@redhat.com>
7706 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7707 and operand scanning in some common cases.
7709 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7710 Dale Johannesen <dalej@apple.com>
7713 * regclass.c (struct reg_pref): Update documentation.
7714 (regclass): Set prefclass to NO_REGS if memory is the best option.
7715 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7716 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7717 into account. For non-registers, equate an empty preferred
7718 reload class to a `!' in the constraint; move the if clause to
7719 do so after those that reject the insn.
7720 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7722 (find_dummy_reload): Likewise.
7723 * doc/tm.texi (Register Classes): Document what it means
7724 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7725 * config/i386/i386.c (ix86_preferred_reload_class): Force
7726 using SSE registers (and return NO_REGS for floating-point
7727 constants) if math is done with SSE.
7728 (ix86_preferred_output_reload_class): New.
7729 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7730 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7731 * config/i386/i386.md: Remove # register preferences.
7733 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7736 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7737 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7738 the type of nb_iter.
7739 (instantiate_parameters_1): Convert the operands before calling
7740 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7741 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7743 2006-04-02 Roger Sayle <roger@eyesopen.com>
7745 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7746 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7748 * dojump.c (do_jump): Likewise.
7749 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7750 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7751 gimplify_boolean_expr): Likewise.
7752 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7753 * varasm.c (array_size_for_constructor): Likewise.
7754 * tree-object-size.c (compute_object_offset): Likewise.
7756 2006-04-02 Roger Sayle <roger@eyesopen.com>
7759 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7760 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7762 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7764 PR tree-optimization/26939
7765 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7767 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7769 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7770 at_stmt. Convert the type of operands before calling
7771 build_polynomial_chrec.
7772 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7774 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7775 (instantiate_parameters_1): Convert the type of operands before calling
7776 build_polynomial_chrec.
7777 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7778 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7779 reset_evolution_in_loop): Insert asserts to check the types of the
7781 (chrec_type): Moved...
7782 (eq_evolutions_p): Use operand_equal_p.
7783 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7784 the types of the operands.
7785 (chrec_type): ...here.
7786 * tree-data-ref.c (create_data_ref): Convert the operands before
7787 calling chrec_replace_initial_condition.
7788 (same_access_functions, analyze_subscript_affine_affine,
7789 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7790 (compute_subscript_distance, analyze_ziv_subscript,
7791 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7792 analyze_miv_subscript): Convert the operands before calling
7793 chrec_fold_minus or chrec_fold_plus.
7795 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7797 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7798 the dependence_relations vector.
7799 (compute_data_dependences_for_loop): Adjust call to
7800 compute_all_dependences.
7802 2006-04-01 Roger Sayle <roger@eyesopen.com>
7803 Richard Henderson <rth@redhat.com>
7805 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7806 gimple_boolify on the condition before calling gimplify_expr.
7808 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7810 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7811 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7812 the frame size. Update to use the new macros.
7813 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7814 * config/xtensa/ieee754-df.S: Likewise.
7816 2006-03-31 Richard Henderson <rth@redhat.com>
7818 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7819 (make_edges): ... here. Control fallthru creation with a local
7820 variable. Do not play with fake edges.
7821 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7822 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7825 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7827 * dwarf2.h (DW64_CIE_ID): Define.
7828 * dwarf2out.c (DWARF_CIE_ID): Define.
7829 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7830 length header. Use DWARF_CIE_ID.
7831 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7832 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7834 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7836 * config/sh/linux-atomic.asm: New file.
7837 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7839 2006-03-31 DJ Delorie <dj@redhat.com>
7841 * config/m32c/cond.md: Set condition flags properly throughout.
7842 * config/m32c/minmax.md: Likewise.
7843 * config/m32c/prologue.md: Likewise.
7844 * config/m32c/bitops.md: Likewise.
7845 * config/m32c/muldiv.md: Likewise.
7846 * config/m32c/mov.md: Likewise.
7847 * config/m32c/addsub.md: Likewise.
7848 * config/m32c/m32c.md: Likewise.
7849 * config/m32c/jump.md: Likewise.
7850 * config/m32c/shift.md: Likewise.
7852 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7853 conditionally output the pattern for this.
7854 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7855 (m32c_compare_redundant): New.
7856 (m32c_output_compare): New.
7857 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7859 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7860 dest, not src. Allow other 4-byte modes.
7862 2006-03-30 Denis Chertykov <denisc@overta.ru>
7864 * doc/md.texi: Refer to avr/constraints.md instead of
7867 2006-03-30 Roger Sayle <roger@eyesopen.com>
7869 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7870 signed vs. unsigned comparison failures on some hosts.
7872 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7875 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7876 change to FLOAT_REGS.
7878 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7879 (rs6000_override_options): Use it.
7880 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7881 only for -mabi=spe/no-spe and -mabi=altivec.
7883 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7885 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7888 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7890 * Makefile.in: Rename docdir to gcc_docdir.
7892 2006-03-30 Roger Sayle <roger@eyesopen.com>
7895 * expr.c (emit_group_store): Optimize group stores into a pseudo
7896 register by using a paradoxical subreg to initialize the destination
7897 if the first or last member of the group specifies a "low part".
7899 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7902 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7903 * target.h (struct gcc_target.speculate_insn): Change type of the
7904 second parameter to 'int'.
7905 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7906 the second operand of the DEPS_LIST.
7907 (copy_DEPS_LIST_list): Update reference to the second operand of the
7909 * rtl.h (alloc_DEPS_LIST): Update signature.
7910 * sched-int.h (ds_t): Change typedef to 'int'.
7911 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7913 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7915 * haifa-sched.c (try_ready): Change condition to restore
7916 non-speculative pattern of the instruction.
7917 (process_insn_depend_be_in_spec): Code to keep probability of the
7918 speculative dependence non-decreasing.
7920 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7922 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7923 (single_move_for_movmem): ... this. Also change all uses.
7924 (bfin_expand_strmov): Renamed to...
7925 (bfin_expand_movmem): ... this. Also change all uses.
7926 * config/bfin/bfin.md (movstrsi): Renamed to...
7927 (movstrsi): ...this.
7929 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7931 PR tree-optimization/26830
7933 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7934 (copy_prop_visit_stmt): Remove write-only variable ann.
7935 (init_copy_prop): Check variable loop depth here. Do not simulate
7936 memory-tag and virtual operand PHIs except for store copy prop.
7938 2006-03-30 Richard Guenther <rguenther@suse.de>
7940 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7941 variants with double arguments.
7943 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7945 * genpreds.c (write_tm_constrs_h): Delete variable p.
7946 * genconditions.c (write_header): Add tm-constrs.h to included
7948 * genpeep.c (main): Add toplev.h to included headers.
7949 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7950 (build/genpeep.o): Add toplev.h dependency.
7951 * config/rs6000/constraints.md: Add "W" constraint.
7953 2006-03-29 Roger Sayle <roger@eyesopen.com>
7955 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7956 sizes by correctly testing whether the size fits a host integer.
7957 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7958 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7959 SImode range for the default sizetype and bitsizetype.
7961 2006-03-29 Roger Sayle <roger@eyesopen.com>
7963 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7964 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7965 quickly if the argument is already of the correct type.
7966 Call fold_build1 instead of build1. Tidy up blank lines.
7968 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7970 * genemit.c (main): Add tm-constrs.h to included headers.
7971 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7972 * genpeep.c (main): Add tm-constrs.h to included headers.
7973 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7974 (write_tm_constrs_h): this and write complete file.
7975 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7976 (write_insn_preds_c): Add tm-constrs.h to included headers.
7977 (gen_constrs): New variable.
7978 (parse_option): Parse "-c".
7979 (main): Invoke write_tm_constrs_h.
7980 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7981 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7982 (object_out_file): Add tm-constrs.h dependency.
7983 (insn-emit.o): Same.
7984 (insn-output.o): Same.
7985 (insn-peep.o): Same.
7986 (insn-preds.o): Same.
7987 (insn-recog.o): Same.
7988 (tm-constsr.h): New target.
7989 (s-constrs-h): New target.
7991 * config/rs6000/constraints.md: New file.
7992 * config/rs6000/rs6000.c: Include tm-constrs.h.
7993 (num_insn_constant_wide): Convert to satisfies_constraint.
7994 (rs6000_rtx_costs): Convert to satisfies_constraint.
7995 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7996 (CONST_OK_FOR_LETTER_P): Delete.
7997 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7998 (EXTRA_CONSTRAINT): Delete.
7999 (EXTRA_MEMORY_CONSTRAINT): Delete.
8000 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8001 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8002 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8003 satisfies_constraint.
8005 * config/i386/i386.c: Include tm-constrs.h.
8007 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8009 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8010 * tree-data-ref.c (find_data_references_in_loop,
8011 compute_data_dependences_for_loop): Use pointers to VEC.
8012 (analyze_all_data_dependences): Adjust calls.
8013 * tree-data-ref.h (find_data_references_in_loop,
8014 compute_data_dependences_for_loop): Adjust declarations.
8015 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8016 compute_data_dependences_for_loop.
8018 2006-03-29 Paul Brook <paul@codesourcery.com>
8020 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8023 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8025 PR tree-optimization/26859
8026 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8028 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8029 for the step after fold_convert.
8031 2006-03-29 Paul Brook <paul@codesourcery.com>
8033 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8034 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8036 2006-03-29 Paul Brook <paul@codesourcery.com>
8039 * targhooks.c (default_narrow_bitfield): New fuction.
8040 * targhooks.h (default_narrow_bitfield): add prototype.
8041 * target.h (gcc_target): Add narrow_volatile_bitfield.
8042 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8043 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8044 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8045 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8047 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8049 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8051 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8052 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8053 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8054 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8055 (s390_function_arg_float): Allow SDmode and DDmode values to be
8056 passed in floating point registers.
8057 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8058 check with SCALAR_FLOAT_MODE_P.
8059 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8061 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8063 PR tree-optimization/25985
8064 * tree-ssa-loop-niter.c (number_of_iterations_le,
8065 number_of_iterations_ne): Make comments more precise.
8066 (number_of_iterations_cond): Add only_exit argument. Use the
8067 fact that signed variables do not overflow only when only_exit
8069 (loop_only_exit_p): New.
8070 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8071 number_of_iterations_cond.
8073 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8075 PR tree-optimization/26643
8076 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8079 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8081 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8082 (divsi3_i4_int): Likewise.
8084 2006-03-28 Roger Sayle <roger@eyesopen.com>
8086 * expr.c (emit_group_store): Only create a new pseudo reg if the
8087 quantity it needs to hold isn't already a suitable pseudo.
8089 2006-03-28 Jeff Law <law@redhat.com>
8091 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8092 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8094 2006-03-28 Roger Sayle <roger@eyesopen.com>
8096 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8097 the equivalent ~X & Y, and the symmetry related transformations.
8098 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8099 ~X & Y, and symmetry related transforms.
8101 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8103 Revert my 2006-03-27 patches.
8105 2006-03-28 Roger Sayle <roger@eyesopen.com>
8107 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8108 ~(T1)X, when T1 and T2 are integer types of the same precision
8109 and (T2)X isn't an extension.
8111 2006-03-28 Jeff Law <law@redhat.com>
8113 PR tree-optimization/26796
8114 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8115 need EH edge cleanups rather than purging them immediately.
8116 (eliminate_degenerate_phis): Handle queued EH cleanups.
8118 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8120 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8123 2006-03-27 Roger Sayle <roger@eyesopen.com>
8126 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8127 cast BIT_NOT_EXPR operand to the correct type.
8129 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8131 * tree-loop-linear.c: Don't include varray.h.
8132 (gather_interchange_stats, try_interchange_loops,
8133 linear_transform_loops): Use VEC instead of VARRAY.
8134 * lambda-mat.c: Don't include varray.h.
8135 * tree-chrec.c: Same.
8136 * lambda-trans.c: Same.
8137 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8138 VEC instead of VARRAY.
8139 * tree-vectorizer.h: Idem.
8140 * tree-data-ref.c (dump_data_references,
8141 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8142 initialize_data_dependence_relation, finalize_ddr_dependent,
8143 compute_all_dependences, find_data_references_in_loop,
8144 compute_data_dependences_for_loop, analyze_all_data_dependences,
8145 free_dependence_relation, free_dependence_relations,
8146 free_data_refs): Idem.
8147 * tree-data-ref.h (data_reference_p, subscript_p): New.
8148 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8149 VEC instead of VARRAY.
8150 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8151 (find_data_references_in_loop, compute_data_dependences_for_loop,
8152 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8153 dump_data_dependence_relations, free_dependence_relations,
8154 free_data_refs): Adjust declaration.
8155 (lambda_transform_legal_p): Move declaration here...
8156 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8157 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8158 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8159 vect_analyze_data_refs): Use VEC instead of VARRAY.
8160 * lambda.h (lambda_transform_legal_p): ...from here.
8161 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8162 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8163 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8164 tree-chrec.o): Don't depend on VARRAY_H.
8166 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8168 * rtl.def (Copyright): Update date.
8169 (DEPS_LIST): Change type of the second operand to 'int'.
8170 * target.h (Copyright): Update date.
8171 (struct gcc_target.speculate_insn): Change type of the second parameter
8173 * lists.c (Copyright): Update date.
8174 (alloc_DEPS_LIST): Change signature. Update reference to the second
8175 operand of the DEPS_LIST.
8176 (copy_DEPS_LIST_list): Update reference to the second operand of the
8178 * rtl.h (Copyright): Update date.
8179 (alloc_DEPS_LIST): Update signature.
8180 * sched-int.h (Copyright): Update date.
8181 (ds_t): Change typedef to 'int'.
8182 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8184 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8186 * haifa-sched.c (Copyright): Update date.
8187 (try_ready): Change condition to restore non-speculative pattern
8189 (process_insn_depend_be_in_spec): Code to keep probability of the
8190 speculative dependence non-decreasing.
8192 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8194 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8195 shut up the compiler.
8197 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8199 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8200 to use lib prefix for target.
8201 ($(T)libic_invalidate_array_4-200.a): Likewise.
8202 ($(T)libic_invalidate_array_4a.a): Likewise.
8204 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8205 J"orn Rennecke <joern.rennecke@st.com>
8207 * superh.opt: New file.
8208 * sh.c (boardtype, osruntime): Remove.
8209 * superh.h (SUBTARGET_OPTIONS): Remove.
8210 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8212 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8213 arguments with ^ and/or [].
8215 * config.gcc (sh-*-*): Add quoting to account for quirk of
8217 Replace == with = in enable_incomplete_targets test.
8219 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8220 with MASK_LITTLE_ENDIAN.
8222 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8223 * config/sh/sh.opt: Added to some comments.
8224 * config/sh/superh.h: Removed some chaff.
8226 * config/sh/sh.opt: Add m4-[1234]00* options.
8227 * config/sh/sh.c (sh_handle_option): Likewise.
8228 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8229 (ic_invalidate_array_4-100.o): New rule.
8230 ($(T)libic_invalidate_array_4-100.a): Likewise.
8231 (ic_invalidate_array_4-200.o): Likewise.
8232 ($(T)libic_invalidate_array_4-200.a): Likewise.
8233 (ic_invalidate_array_4a.o): Likewise.
8234 ($(T)libic_invalidate_array_4a.a): Likewise.
8235 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8236 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8238 * config/sh/crt1.asm: Merged in profiling code.
8239 * config/sh/superh.h (STARTFILE_SPEC): Override.
8240 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8241 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8242 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8244 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8245 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8246 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8248 * sh.opt (mpretend-cmove): New option.
8249 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8250 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8251 (movsicc): Add TARGET_PRETEND_CMOVE code.
8253 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8255 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8256 s390_class_max_nregs): New function prototypes.
8257 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8258 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8259 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8260 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8262 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8264 * dwarf2out.c (add_location_or_const_value_attribute): Call
8265 tree_add_const_value_attribute if nothing else works.
8266 (reference_to_unused): New.
8267 (rtl_for_decl_init): Use reference_to_unused to decide whether
8268 to output an initializer.
8270 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8273 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8274 peephole removing spe frob_di_df_2.
8276 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8278 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8279 (subscript_dependence_tester_1): Declared.
8280 (print_dir_vectors, print_dist_vectors): New.
8281 (debug_data_dependence_relation): New.
8282 (dump_data_dependence_relation): Print more details.
8283 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8284 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8285 (save_dist_v, save_dir_v, add_outer_distances,
8286 build_classic_dist_vector_1): New.
8287 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8288 Don't test for lambda_vector_lexico_pos.
8289 (same_access_functions, add_multivariate_self_dist,
8290 add_other_self_distances, dir_from_dist): New.
8291 (build_classic_dir_vector): Replace implementation almost identical to
8292 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8294 (subscript_dependence_tester_1): New.
8295 (subscript_dependence_tester): Handle the lexicographically negative
8296 distance vectors by recomputing the dependence relation.
8297 (compute_affine_dependence): Remove parameter loop_nest_depth.
8298 (compute_self_dependence): Don't call compute_subscript_distance.
8299 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8300 Add a parameter for the loop_nest.
8301 (find_loop_nest_1, find_loop_nest): New.
8302 (compute_data_dependences_for_loop): Compute the loop nest, and give
8303 up if the nest is not well formed.
8304 * tree-data-ref.h (loop_p): New.
8305 (struct data_dependence_relation): Replace size_vect field with
8306 loop_nest, a vec of loops.
8307 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8308 (DDR_LOOP_NEST): New.
8309 (print_dir_vectors, print_dist_vectors,
8310 debug_data_dependence_relation): Declared.
8311 (index_in_loop_nest): New.
8312 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8313 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8316 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8318 * simplify-rtx.c (simplify_relational_operation): Call
8319 simplify_relational_operation_1 even if mode is VOIDmode.
8321 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8323 PR tree-optimization/26804
8324 * tree.h (DECL_CALL_CLOBBERED): New macro.
8325 (tree_decl_common): Add call_clobbered_flag.
8326 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8327 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8328 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8329 (mark_non_addressable): Ditto.
8330 * tree-ssa.c (verify_call_clobbered): New function.
8331 (verify_alias_info): Use it.
8332 * tree-pass.h (pass_reset_cc_flags): New prototype.
8333 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8334 (reset_cc_flags): New function.
8335 * passes.c (init_optimization_passes): Call reset_cc_flags after
8336 initializing referenced_vars.
8338 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8339 Roger Sayle <roger@eyesopen.com>
8342 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8343 to 1.0 for non-real operands. Implement A / A optimization for
8346 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8348 * config/i386/i386.c (size_cost): Correct the comment for
8349 cost of storing fp registers.
8350 (i386_cost): Likewise.
8351 (i486_cost): Likewise.
8352 (pentium_cost): Likewise.
8353 (pentiumpro_cost): Likewise.
8354 (k6_cost): Likewise.
8355 (athlon_cost): Likewise.
8356 (k8_cost): Likewise.
8357 (pentium4_cost): Likewise.
8358 (nocona_cost): Likewise.
8359 (generic64_cost): Likewise.
8360 (generic32_cost): Likewise.
8362 2006-03-24 Denis Chertykov <denisc@overta.ru>
8364 * config/avr/avr-protos.h (extra_constraint): Delete.
8365 (extra_constraint_Q): New declaration.
8366 * config/avr/constraints.md: New file.
8367 * config/avr/avr.md: Include it.
8368 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8369 (TMP_REGNO, ZERO_REGNO): Likewise.
8370 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8371 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8372 (extra_constraint): Delete.
8373 (extra_constraint_Q): Test for memory constraint 'Q'.
8374 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8375 (REG_CLASS_FROM_LETTER): Delete.
8376 (CONST_OK_FOR_LETTER_P): Delete.
8377 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8378 (EXTRA_CONSTRAINT): Delete.
8379 (TMP_REGNO): Delete.
8380 (ZERO_REGNO): Delete.
8382 2006-03-24 Jeff Law <law@redhat.com>
8384 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8385 directly. Call mark_new_vars_to_rename slightly earlier.
8387 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8389 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8391 (gen_compile_unit_die): Use new language types for Objective-C and
8393 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8394 DW_LANG_C_plus_plus.
8397 * config/t-darwin (crt3.o): Work around bug 26840.
8398 * config/darwin-crt3.c: Rewrite.
8399 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8401 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8403 * doc/invoke.texi: Document -femit-class-debug-always
8404 * common.opt: Add -femit-class-debug-always.
8406 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8408 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8409 index and base register.
8410 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8411 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8412 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8413 REGNO_OK_FOR_INDEX_P.
8414 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8416 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8417 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8418 REG_OK_FOR_BASE_P): Definitions removed.
8420 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8423 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8424 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8425 set yet or weren't marked as local yet.
8427 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8429 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8432 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8434 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8435 (rs6000_legitimate_small_data_p): Delete.
8436 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8437 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8438 and make static. Add forward declaration. Update uses.
8439 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8440 of offsettable_memref_p.
8441 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8442 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8444 2006-03-24 Jeff Law <law@redhat.com>
8446 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8447 around bug in immediate-use iterator.
8449 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8452 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8453 or __LITTLE_ENDIAN__.
8455 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8457 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8458 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8459 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8460 * config/sh/sh.opt (mdiv=): Amend description.
8461 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8462 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8463 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8464 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8465 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8466 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8467 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8468 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8469 TARGET_DIVIDE_CALL_FP.
8471 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8473 * haifa-sched.c (choose_ready): Fix type of the local variable.
8474 Move local variables. Add comment.
8475 (check_reg_live): Change signature. Make callable from debugger.
8476 * sched-int.h (check_reg_live): Update signature.
8477 * sched-ebb.c (check_reg_live): Update parameters.
8478 * sched-rgn.c (check_reg_live): Ditto.
8479 (region_head_or_leaf_p): Check pointer before dereferencing.
8480 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8481 before reload on optimization levels below 1.
8483 2006-03-23 Richard Henderson <rth@redhat.com>
8485 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8489 * config/alpha/predicates.md (local_symbolic_operand): Reject
8492 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8495 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8496 expressions which have overflowed constants.
8498 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8500 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8502 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8504 * cfgloopmanip.c (create_loop_notes): Removed.
8505 * final.c (final_scan_insn): Do not handle loop notes.
8506 * jump.c (squeeze_notes): Ditto.
8507 * cfglayout.c (skip_insns_after_block,
8508 duplicate_insn_chain): Ditto.
8509 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8511 * cfgloop.h (create_loop_notes): Declaration removed.
8513 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8515 * varasm.c (output_constant_pool): Restore fnname and fndecl
8517 (assemble_start_function): Adjust call accordingly.
8518 (assemble_end_function): Likewise.
8520 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8523 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8526 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8528 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8531 * system.h (ICE_EXIT_CODE): New macro.
8532 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8533 (diagnostic_action_after_output): Likewise.
8534 * gcc.c (fatal_ice): New function.
8535 (execute): Use it instead of fatal.
8536 (fancy_abort): Likewise.
8537 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8539 2006-03-22 Jeff Law <law@redhat.com>
8541 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8542 iv_analyze_result returning false.
8544 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8546 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8548 2006-03-22 Richard Henderson <rth@redhat.com>
8551 * except.c (duplicate_eh_regions_0): New.
8552 (duplicate_eh_region_1): Duplicate the children of the node as
8553 well as the node itself. Link them up properly.
8554 (duplicate_eh_region_2): Merge into ...
8555 (duplicate_eh_regions): ... here. Take copy_region argument, and
8556 copy only a sub-tree if asked. Simplify copying and fixup.
8557 (eh_region_outer_p): New.
8558 * except.h (duplicate_eh_regions): Update decl.
8559 (eh_region_outer_p): Declare.
8560 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8561 (lower_omp_master): Likewise.
8562 (lower_omp_ordered): Likewise.
8563 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8564 (move_stmt_r): Use it to remap labels. Handle recursion vs
8565 remap_decls_p properly.
8566 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8567 (find_outermost_region_in_block): New.
8568 (new_label_mapper): New.
8569 (move_sese_region_to_fn): Copy eh information to the new function
8571 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8573 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8576 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8578 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8579 into shared libraries.
8581 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8583 * doc/md.texi: Refer to i386/constraints.md instead of
8585 * config/i386/constraints.md: New file, extracted from...
8586 * config/i386/predicates.md: ...here.
8587 * config/i386/i386.md: Include constraints.md.
8589 2006-03-21 Jason Merrill <jason@redhat.com>
8591 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8594 * expr.c (init_block_move_fn): Force default visibility.
8595 (init_block_clear_fn): Likewise.
8596 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8597 * targhooks.c (default_external_stack_protect_fail): Likewise.
8599 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8601 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8602 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8603 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8604 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8605 (loadgp): Use mips_current_loadgp_style.
8606 (loadgp_noshared): New pattern.
8607 (sibcall_internal): Use MIPS_CALL.
8608 (sibcall_value_internal): Likewise.
8609 (sibcall_value_multiple_internal): Likewise.
8610 (call_internal): Likewise.
8611 (call_value_internal): Likewise.
8612 (call_value_multiple_internal): Likewise.
8613 (call_split): Use MIPS_CALL and add an 'S' constraint.
8614 (call_value_split): Likewise.
8615 (call_value_multiple_split): Likewise.
8616 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8617 (-mshared): New option.
8618 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8619 (mips_current_loadgp_style): Declare.
8620 * config/mips/mips.c (mips_classify_symbol): Avoid using
8621 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8622 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8623 TARGET_ABSOLUTE_ABICALLS.
8624 (override_options): Adjust comments. Improve the warning that is
8625 issued when -mabicalls and -G are used together.
8626 (mips_file_start): Remove comment.
8627 (mips_current_loadgp_style): New function.
8628 (mips_gnu_local_gp): New variable.
8629 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8631 (mips_output_function_prologue): Use mips_current_laodgp_style.
8632 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8633 the cprestore instruction.
8634 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8635 live for TARGET_ABSOLUTE_ABICALLS.
8636 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8637 (ASM_SPEC): Pass down -mshared and -mno-shared.
8638 (MIPS_CALL): New macro.
8639 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8641 * doc/invoke.texi (-mabicalls): Update documentation.
8642 (-mshared): Document.
8644 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8646 * config/ia64/unwind-hpux.c: New file.
8647 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8649 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8652 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8654 2006-03-21 Jeff Law <law@redhat.com>
8656 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8657 type conversions of a VR_VARYING source to a wider type.
8659 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8661 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8662 tm_file on Solaris 10 and later.
8663 (sparc64-*-solaris2*): Likewise.
8664 (sparc-*-solaris2*): Likewise.
8665 * config/sol26.h: Rename to config/sol2-6.h.
8666 * config/sol2-10.h: New file.
8668 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8671 * tree-ssa-pre.c (create_component_ref_by_pieces):
8674 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8677 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8678 return it immediately.
8680 2006-03-21 Michael Matz <matz@suse.de>
8682 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8684 (remove_arc, add_arc): Update num_out_arcs member.
8685 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8687 (cache_presence): New function.
8688 (compare_states_for_equiv): New function.
8689 (state_is_differed): Don't take number of outargs, adjust callers.
8690 Use new invariant for speeding up.
8691 (init_equiv_class): Create initial classes based on sorted
8693 (partition_equiv_class): Don't track out_arcs_num.
8694 (evaluate_equiv_classes): Call cache_presence on all states and
8697 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8699 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8700 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8701 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8702 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8704 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8705 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8706 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8707 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8708 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8710 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8711 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8712 (REGNO_REG_CLASS): ARGP is in PREGS.
8713 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8715 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8716 to deal with those addresses.
8717 * addresses.h: New file.
8718 * caller-save.c: Include "addresses.h".
8719 (init_caller_save): Use new base_reg_class function.
8720 * rtl-factoring.c: Include "addresses.h".
8721 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8722 * recog.c: Include "addresses.h".
8723 (preprocess_constraints): Use new base_reg_class function.
8724 * regrename.c: Include "addresses.h".
8725 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8726 functions. Keep track of a new var INDEX_CODE to compute valid
8728 (replace_oldest_value_addr): Likewise.
8729 (replace_oldest_value_mem): Use base_reg_class.
8730 * reload.c: Include "addresses.h".
8731 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8732 (find_reloads): Use new base_reg_class function.
8733 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8734 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8735 all callers and prototype changed.
8736 * reload1.c: Include "addresses.h".
8737 (maybe_fix_stack_asms): Use base_reg_class.
8738 * regclass.c: Include "addresses.h".
8739 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8740 (init_reg_autoinc): Use new base_reg_class function.
8741 (record_reg_classes): Likewise.
8742 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8743 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8744 Use new args to compute necessary class.
8746 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8747 regrename.o, rtl-factoring.o): Update dependencies.
8748 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8749 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8750 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8751 REG_OK_FOR_INDEX_P): Delete documentation.
8753 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8755 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8756 from V7 to V9 for Solaris 7 and above.
8758 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8760 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8761 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8762 argument pointers may not alias any other storage.
8763 * common.opt: Define option -fargument-noalias-anything.
8764 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8765 alias semantics is specified by flag_argument_noalias > 2.
8767 2006-03-20 Jeff Law <law@redhat.com>
8769 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8770 (pass_phi_only_cprop): Declare.
8771 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8773 * tree-ssa-dom.c (degenerate_phi_result): New function.
8774 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8775 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8776 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8777 (eliminate_degenerate_phis): Likewise.
8778 (pass_phi_only_cprop): New pass descriptor.
8779 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8780 support code. Callers updated.
8781 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8782 (store_copy_prop): Likewise.
8783 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8785 2006-03-20 Jason Merrill <jason@redhat.com>
8788 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8789 (push_visibility, pop_visibility): Likewise.
8790 * c-pragma.h: Declare them.
8792 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8794 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8796 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8797 parameter and use get_ebb_head_tail.
8798 (sh_md_init_global): Adjust uses of find_regmode_weight.
8800 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8802 * function.h (struct function) <x_tail_recursion_reentry>:
8803 Rename to x_stack_check_probe_note.
8804 (tail_recursion_reentry): Rename to stack_check_probe_note.
8805 * function.c: Replace tail_recursion_reentry with
8806 stack_check_probe_note everywhere.
8807 (expand_function_start): Only emit a note for
8808 stack_check_probe_note with -fstack-protect.
8809 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8811 * emit-rtl.c (remove_unnecessary_notes): Remove.
8812 (pass_remove_unnecessary_notes): Remove.
8813 * rtl.h (remove_unnecessary_notes): Remove prototype.
8814 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8815 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8816 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8818 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8821 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8822 (valid_in_set): Handle ARRAY_REF.
8823 Change "if min_variant or VH" to asserts.
8824 (create_component_ref_by_pieces): Handle ARRAY_REF.
8825 (create_expression_by_pieces): Likewise.
8826 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8828 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8830 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8831 is operand of switch, not str[0].
8833 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8835 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8836 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8838 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8840 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8841 end of insn_extra_address_constraint declaration.
8843 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8845 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8846 (no-sum-in-toc): Same.
8847 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8849 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8850 NO_FP_IN_TOC for -fPIC instead of mask.
8852 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8853 (BOOT_LDFLAGS): Delete.
8855 * config/rs6000/t-aix52: Same.
8857 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8858 (stmsi[345678]_power): New.
8860 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8862 * config/ia64/ia64.opt: Add empty line to end of file.
8864 2006-03-17 Richard Guenther <rguenther@suse.de>
8867 * builtins.c (get_pointer_alignment): For component style references
8868 adjust alignment to the component type alignment. Make sure
8869 to adjust alignment for component access of constants.
8871 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8873 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8876 2006-03-17 Paul Brook <paul@codesourcery.com>
8878 * doc/install.texi: Docuemnt --with-mode.
8879 * config.gcc: Add --with-mode for arm*-*-*.
8880 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8882 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8884 * sh.c (max_labelno_before_reorg): New variable.
8885 (sh_reorg): Initialize it.
8886 (find_barrier): Check max_labelno_before_reorg before using
8887 label_to_alignment. Take length of explicit alignment insns
8888 into account. When seeing a UNSPECV_CONST_END, return it.
8890 * sh.c (fixup_mova): Set mode of affected label to QImode.
8891 (untangle_mova): New function.
8892 (find_barrier): Use it. Check mode of label before decrementing
8894 (sh_reorg): Likewise.
8895 Set mode of all insns back to VOIDmode.
8897 * sh.c (MOVA_LABELREF): New macro.
8898 (mova_p, fixup_mova, sh_reorg): Use it.
8899 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8900 ADDR_DIFF_VEC matches mova.
8902 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8904 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8905 with ATTRIBUTE_UNUSED.
8907 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8909 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8910 pointer, instead of assuming it is possible to derive the
8911 correct args size from a call insn.
8913 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8915 * rtl.h (CONST_INT_P): Define.
8916 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8917 instead of GET_CODE(x) == CONST_INT.
8918 (vax_rtx_costs): Likewise.
8919 (vax_output_int_move): Likewise.
8920 (vax_output_int_add): Likewise.
8921 (legitimate_constant_address_p): Likewise.
8922 (index_term_p): Likewise.
8923 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8924 * config/vax/vax.md (and<mode>3): Likewise.
8925 (ashrsi3): Likewise.
8927 (movstricthi): Likewise.
8928 (movstrictqi): Likewise.
8929 (rotrsi3): Likewise.
8930 (five unnamed insns): Likewise.
8932 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8934 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8935 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8936 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8937 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8938 Pass to ASM_OUTPUT_DWARF_OFFSET.
8939 * dwarf2out.c (debug_frame_section): New.
8940 (output_call_frame_info): Use debug_frame_section. Pass it to
8941 dw2_asm_output_offset.
8942 (output_die): Pass appropriate section to dw2_asm_output_offset.
8943 (output_compilation_unit_header): Likewise.
8944 (output_pubnames): Likewise.
8945 (output_aranges): Likewise.
8946 (enum dw_val_class): Break dw_val_class_lbl_offset into
8947 dw_val_class_lineptr and dw_val_class_macptr.
8948 (add_AT_lbl_offset): Delete.
8949 (add_AT_lineptr): New.
8950 (add_AT_macptr): New.
8951 (AT_lbl): Expect a lineptr or macptr.
8952 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8953 (attr_checksum): Likewise.
8954 (same_dw_val_p): Likewise.
8955 (size_of_die): Likewise.
8956 (value_format): Likewise.
8957 (output_die): Likewise.
8958 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8960 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8961 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8962 * config/darwin-protos.h (darwin_file_start): New.
8963 (darwin_asm_output_dwarf_offset): New.
8964 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8965 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8967 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8968 if not EH section; simplify.
8969 (darwin_file_start): New.
8970 (darwin_asm_output_dwarf_offset): New.
8971 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8973 (DEBUG_INFO_SECTION): Likewise.
8974 (DEBUG_ABBREV_SECTION): Likewise.
8975 (DEBUG_ARANGES_SECTION): Likewise.
8976 (DEBUG_MACINFO_SECTION): Likewise.
8977 (DEBUG_LINE_SECTION): Likewise.
8978 (DEBUG_LOC_SECTION): Likewise.
8979 (DEBUG_PUBNAMES_SECTION): Likewise.
8980 (DEBUG_STR_SECTION): Likewise.
8981 (DEBUG_RANGES_SECTION): Likewise.
8982 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8983 (ASM_OUTPUT_DWARF_OFFSET): New.
8985 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8987 * config.gcc (tm_defines): Always add to previous value rather
8990 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8992 * config/mips/predicates.md (splittable_const_int_operand): New,
8993 split from move_operand.
8994 (splittable_symbolic_operand): New.
8995 (move_operand): Add commentary. Use splittable_const_int_operand.
8996 Inline mips_atomic_symbolic_constant_p.
8997 * config/mips/mips.md: Add combine splitters for handling moves
8998 of splittable_const_int_operands and splittable_symbolic_operands.
8999 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9000 (mips_split_symbol): Declare.
9001 (mips_move_integer): Declare.
9002 * config/mips/mips.c (mips_split_p): Make global.
9003 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9004 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9005 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9006 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9007 (mips_offset_within_object_p): Handle block symbols.
9008 (mips_atomic_symbolic_constant_p): Delete.
9009 (mips_cannot_force_const_mem): Return false for constants that
9010 mips_legitimize_move can handle.
9011 (mips_use_blocks_for_constant_p): New function.
9012 (mips_split_symbol): Make global.
9013 (mips_move_integer): Likewise. Add a temporary register argument.
9014 (mips_legitimize_const_move): Use splittable_const_int_operand and
9015 splittable_symbolic_operand.
9016 (mips_use_anchors_for_symbol_p): New function.
9017 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9018 (mips_split_p): Declare.
9020 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9022 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9023 (mips*-*-linux*): Likewise.
9025 2006-03-16 Roger Sayle <roger@eyesopen.com>
9026 Daniel Speyer <dspeyer@wam.umd.edu>
9029 * tree-dump.c (dump_real): New function.
9030 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9031 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9032 (tree-dump.o): Add $(REAL_H) to the dependencies.
9034 2006-03-16 Roger Sayle <roger@eyesopen.com>
9037 * real.c (real_from_string): If the mantissa is zero, don't bother
9038 parsing the exponent as the result should always be zero.
9040 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9042 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9044 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9046 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9047 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9048 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9049 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9050 ia64_sched_finish_global): New static functions to implement
9051 hooks from gcc_target.sched.
9052 (spec_check_no, max_uid, pending_data_specs): New static variables.
9053 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9054 ia64_spec_check_src_p): New static functions.
9055 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9056 (TARGET_SCHED_ADJUST_COST): Removed.
9057 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9058 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9059 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9060 TARGET_SCHED_GEN_CHECK,
9061 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9062 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9063 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9064 Fixed to handle speculation checks.
9065 (rtx_needs_barrier): Fixed to handle speculative loads and
9067 (ia64_variable_issue): Added code to count speculative loads and their
9069 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9071 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9073 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9075 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9076 (ia64_reorg): Reset stops_p to NULL after it is freed.
9077 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9078 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9079 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9081 (data_speculative, control_speculative, check_load): New attributes.
9082 (mov<mode>_advanced, mov<mode>_speculative,
9083 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9084 zero_extend<mode>di2_speculative,
9085 zero_extend<mode>di2_speculative_advanced): New patterns for
9086 data and control speculative loads.
9087 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9089 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9090 New pattern for data and control speculation checks.
9091 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9092 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9093 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9094 Auxiliary definitions for the patterns.
9095 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9096 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9098 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9100 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9101 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9102 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9103 New resource constraints.
9104 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9106 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9107 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9108 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9109 msched-in-control-spec, msched-ldc, msched-control-ldc,
9110 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9111 msched-prefer-non-control-spec-insns,
9112 msched-count-spec-in-critical-path): New flags to tune speculative
9114 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9115 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9116 msched-in-control-spec, msched-ldc, msched-control-ldc,
9117 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9118 msched-prefer-non-control-spec-insns,
9119 msched-count-spec-in-critical-path): Document new flags.
9121 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9123 * target.h (struct spec_info_def): New opaque declaration.
9124 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9125 speculate_insn, needs_block_p, gen_check,
9126 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9127 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9128 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9129 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9130 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9131 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9133 (TARGET_SCHED): Use new macros.
9134 * rtl.h (copy_DEPS_LIST_list): New prototype.
9135 * sched-int.h (struct sched_info): Change signature of new_ready field,
9136 adjust all initializations. New fields: add_remove_insn,
9137 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9138 region_head_or_leaf_p.
9139 (struct spec_info_def): New structure declaration.
9140 (spec_info_t): New typedef.
9141 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9142 recovery_block, orig_pat.
9143 (glat_start, glat_end): New variables declaraions.
9144 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9146 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9147 DETACH_LIFE_INFO, USE_GLAT.
9148 (enum SPEC_SCHED_FLAGS): New enumeration.
9149 (NOTE_NOTE_BB_P): New macro.
9150 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9151 attach_life_info, debug_spec_status, check_reg_live): New functions.
9152 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9153 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9155 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9156 * ddg.c (get_block_head_tail): Adjust all uses.
9157 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9158 (sms_sched_info): Initialize new fields.
9159 (contributes_to_priority): Removed.
9160 * haifa-sched.c (params.h): New include.
9161 (get_block_head_tail): Adjust all uses.
9162 (ISSUE_POINTS): New macro.
9163 (glat_start, glat_end): New global variables.
9164 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9165 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9166 old_last_basic_block, before_recovery, current_sched_info_var,
9167 rgn_n_insns, luid): New static variables.
9168 (insn_cost1): New function. Move logic from insn_cost to here.
9169 (find_insn_reg_weight1): New function. Move logic from
9170 find_insn_reg_weight to here.
9171 (reemit_notes, move_insn, max_issue): Change signature.
9172 (move_insn1): Removed.
9173 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9174 extend_bb): New static functions to support extension of scheduler's
9176 (generate_recovery_code, process_insn_depend_be_in_spec,
9177 begin_speculative_block, add_to_speculative_block,
9178 init_before_recovery, create_recovery_block, create_check_block_twin,
9179 fix_recovery_deps): New static functions to support
9180 generation of recovery code.
9181 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9182 restore_bb_notes, move_block_after_check, move_succs): New static
9183 functions to support ebb scheduling.
9184 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9185 functions to support handling of register live information.
9186 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9187 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9188 add_jump_dependencies): New static functions.
9189 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9190 consistancy checking.
9191 (debug_spec_status): New function to call from debugger.
9192 (priority): Added code to handle speculation checks.
9193 (rank_for_schedule): Added code to distinguish speculative instructions.
9194 (schedule_insn): Added code to handle speculation checks.
9195 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9196 Fixed to handle ebbs.
9197 (move_insn): Added code to handle ebb scheduling.
9198 (max_issue): Added code to use ISSUE_POINTS of instructions.
9199 (choose_ready): Added code to choose between speculative and
9200 non-speculative instructions.
9201 (schedule_block): Added code to handle ebb scheduling and scheduling of
9202 speculative instructions.
9203 (sched_init): Initialize new variables.
9204 (sched_finish): Free new variables. Print statistics.
9205 (try_ready): Added code to handle speculative instructions.
9206 * lists.c (copy_DEPS_LIST_list): New function.
9207 * sched-deps.c (extend_dependency_caches): New function. Move logic
9208 from create_dependency_caches to here.
9209 (get_dep_weak, ds_merge): Make global.
9210 * genattr.c (main): Code to output prototype for
9211 dfa_clear_single_insn_cache.
9212 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9213 (output_dfa_clean_insn_cache_func): Code to output
9214 dfa_clear_single_insn_cache function.
9215 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9217 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9219 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9220 New static variables.
9221 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9222 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9224 (ebb_sched_info): Initialize new fields.
9225 (get_block_head_tail): Adjust all uses.
9226 (compute_jump_reg_dependencies): Fixed to use glat_start.
9227 (schedule_ebb): Code to remove unreachable last block.
9228 (schedule_ebbs): Added code to update register live information.
9229 * sched-rgn.c (region_sched_info): Initialize new fields.
9230 (get_block_head_tail): Adjust all uses.
9231 (last_was_jump): Removed. Adjust users.
9232 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9233 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9234 Implement new hooks.
9235 (check_dead_notes1): New static function.
9236 (struct region): New fields: dont_calc_deps, has_real_ebb.
9237 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9238 (BB_TO_BLOCK): Fixed to handle EBBs.
9239 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9240 (ebb_head): New static variable.
9241 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9242 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9244 (compute_dom_prob_ps): New assertion.
9245 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9246 global_live_at_start.
9247 (init_ready_list): New assertions.
9248 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9249 (new_ready): Add support for BEGIN_CONTROL speculation.
9250 (schedule_insns): Fixed code that updates register live information
9252 (schedule_region): Fixed to handle EBBs.
9253 (init_regions): Use extend_regions and check_dead_notes1.
9254 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9255 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9256 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9257 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9258 TARGET_SCHED_GEN_CHECK,
9259 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9260 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9261 * doc/invoke.texi (max-sched-insn-conflict-delay,
9262 sched-spec-prob-cutoff): Document.
9264 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9266 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9267 inter_tick, queue_index.
9268 (struct sched_info): Change signature of init_ready_list field.
9269 Adjust all initializations.
9270 (RESOLVED_DEPS): New access macro.
9271 (ready_add): Remove prototype.
9272 (try_ready): Add prototype.
9273 * sched-rgn.c (init_ready_list): Use try_ready.
9274 (schedule_region): Initialize
9275 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9276 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9277 (init_ready_list): Use try_ready.
9278 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9279 * lists.c (remove_list_elem): Remove `static'.
9280 (remove_free_INSN_LIST_elem): New function.
9281 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9282 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9283 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9285 (readyp): New variable.
9286 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9287 change_queue_index, resolve_dep): New static functions.
9288 (try_ready): New function. Adjust callers in sched-rgn.c and
9289 sched-ebb.c to use it instead of ready_add.
9290 (clock_var): Move at the begining of file.
9291 (rank_for_schedule): Fix typo.
9292 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9293 (ready_lastpos): Enforce assertion.
9294 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9296 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9297 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9298 (queue_to_ready): Use free_INSN_LIST_list.
9299 (early_queue_to_ready): Fix typo.
9300 (schedule_block): Init readyp. Move init_ready_list call after the
9301 initialization of clock_var. Fix error in rejecting insn by
9302 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9303 that previously corrected INSN_TICKs. Add code for handling
9305 (set_priorities): Fix typo.
9306 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9307 Clarify comment and code that keeps current_sched_info->next_tail
9310 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9312 * sched-rgn.c (extend_rgns): New static function.
9313 (find_rgns): Use it.
9314 (gather_region_statistics, print_region_statistics): New static
9316 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9317 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9319 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9320 Andrey Belevantsev <abel@ispras.ru>
9322 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9323 * lists.c (unused_deps_list): New variable.
9324 (free_list): Add assertions to verify the proper distinguishing
9325 between INSN_LISTs and DEPS_LISTs.
9326 (find_list_elem, remove_list_elem, remove_list_node): New static
9328 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9329 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9330 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9331 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9333 (free_INSN_LIST_node): Likewise.
9334 * modulo-sched.c (current_sched_info): Initialize flags field.
9335 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9336 * rtl.def (DEPS_LIST): Define.
9337 * rtl.h: Declare new functions from lists.c.
9338 * sched-deps.c (spec_dependency_cache): New static variable.
9339 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9340 (add_dependence): Change return type to void. Move the logic to ...
9341 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9342 (delete_all_dependences): Add comment about forward_dependency_cache.
9343 Handle spec_dependency_cache. Handle DEPS_LISTs.
9344 (fixup_sched_groups): Clarify the change of priority of output
9345 and anti dependencies.
9346 (sched_analyze_2): Adjust add_dependence calls to create data
9347 speculative dependence.
9348 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9349 Adjust all callers. Handle DEPS_LISTS.
9350 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9351 presence of speculation.
9352 (init_dependency_caches, free_dependency_caches):
9353 Handle spec_dependency_cache.
9354 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9355 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9356 New static functions.
9357 (add_or_update_back_dep, add_or_update_back_forw_dep,
9358 add_back_forw_dep, delete_back_forw_dep): New functions.
9359 * sched-int.h (ds_t, dw_t): New typedefs.
9360 (struct sched_info): Add new field flags.
9361 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9362 Prototype new sched-deps.c functions.
9363 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9364 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9365 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9366 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9367 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9368 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9370 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9372 * sched-rgn.c (current_sched_info): Initialize flags field.
9373 (schedule_insns): Initialize current_sched_info before the sched_init
9375 * sched-ebb.c (current_sched_info): Initialize flags field.
9376 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9377 Call add_or_update_back_dep instead of add_dependence.
9378 Create control speculative dependencies.
9379 (schedule_insns): Initialize current_sched_info before the sched_init
9382 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9384 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9386 (sh_fallback_frame_state): Likewise.
9388 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9390 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9391 Do switch on default_use_cxa_atexit.
9392 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9393 * config/darwin-crt3.o: New.
9394 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9395 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9396 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9398 * config/rs6000/t-darwin: Move crt2.o building to here.
9399 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9400 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9403 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9405 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9406 from '! xxx' to '!xxx' for coding-style conformance.
9407 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9408 (EXTRA_CONSTRAINT): Likewise.
9409 * config/vax/vax.md (four unnamed insns): Likewise.
9411 2006-03-15 Paul Brook <paul@codesourcery.com>
9413 * config/arm/arm.c (minipool_pad): New.
9414 (add_minipool_forward_ref): Include pool alignment padding in address
9416 (push_minipool_fix): Set minipool_pad.
9417 (minipool_pad): Ditto.
9419 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9421 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9422 instead of GET_CODE() == MEM and REG_P() instead of
9424 (print_operand_address): Likewise.
9425 (vax_address_cost): Likewise.
9426 (vax_rtx_costs): Likewise.
9427 (vax_notice_update_cc): Likewise.
9428 (vax_output_int_add): Likewise.
9429 (INDEX_REGISTER_P): Likewise.
9430 (BASE_REGISTER_P): Likewise.
9431 (nonindexed_address_p): Likewise.
9432 (vax_mode_dependent_address_p): Likewise.
9433 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9434 (PRINT_OPERAND): Likewise.
9435 * config/vax/vax.md (ashlsi3): Likewise.
9436 (ashlsi3): Likewise.
9437 (some more unnamed insns): Likewise.
9439 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9441 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9442 iterator-style macro.
9443 (mark_control_dependent_edges_necessary): Update the use of
9444 EXECUTE_IF_CONTROL_DEPENDENT.
9446 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9448 * config/sh/predicates.md (cache_address_operand): Special.
9449 (ua_address_operand): Likewise.
9451 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9453 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9455 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9457 2006-03-15 Andreas Schwab <schwab@suse.de>
9459 * gensupport.c (identify_predicable_attribute): Don't free p_false
9460 when it is still in use.
9462 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9464 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9465 the default setting here.
9467 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9469 * tree-pass.h (pass_cfg): Remove.
9470 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9471 * passes.c (pass_cfg): Don't run it.
9473 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9475 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9476 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9478 (stack_regs_mentioned): Update the uses of
9479 stack_regs_mentioned_data. Don't access the array beyond its
9481 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9482 Don't include gt-reg-stack.h.
9484 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9485 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9487 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9490 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9493 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9495 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9497 2006-03-14 Richard Guenther <rguenther@suse.de>
9499 PR tree-optimization/26672
9500 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9503 2006-03-14 Richard Guenther <rguenther@suse.de>
9505 PR tree-optimization/26667
9506 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9507 node for the callees. Always allow inlining if it will shrink
9510 2006-03-14 Richard Guenther <rguenther@suse.de>
9513 * builtins.c (get_pointer_alignment): Prefer alignment
9514 information from decls over that from types.
9516 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9519 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9521 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9523 * config/rs6000/rs6000.opt (mdlmzb): New option.
9524 (msched-prolog, msched-epilog): Use Var not Mask.
9525 * doc/invoke.texi (-mdlmzb): Document.
9526 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9528 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9529 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9531 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9533 PR rtl-optimization/25739
9534 * bt-load.c (augment_live_range): Free tos pointer.
9536 * gensupport.c (identify_predicable_attribute): Free
9538 * gcov.c (create_file_names): Free name pointer.
9540 2006-03-13 Roger Sayle <roger@eyesopen.com>
9543 * stmt.c (emit_case_nodes): Handle the case where the index is a
9544 CONST_INT, where the comparison mode is specified by the index type.
9546 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9548 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9551 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9553 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9554 (*branch_fp_inverted): Likewise.
9556 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9559 * omp-low.c (expand_omp_for_generic): Mark istart0
9560 and iend0 as addressable.
9562 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9564 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9566 2006-03-13 Jeff Law <law@redhat.com>
9568 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9569 virtual operands are interesting.
9570 (vrp_visit_stmt): Corresponding changes.
9572 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9574 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9576 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9577 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9578 * config/bfin/crti.S: Use it instead of __PIC__.
9579 * config/bfin/crtn.S: Likewise.
9581 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9582 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9584 Lose 'G' modifier for call operand.
9585 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9586 recognize 'G' modifier.
9588 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9591 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9592 * stmt.c (expand_case): Likewise.
9594 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9596 PR rtl-optimization/26254
9597 * loop-invariant.c (seq_insns_valid_p): New function.
9598 (move_invariant_reg): Only emit new code if it is valid.
9600 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9602 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9604 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9605 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9606 (commit_one_edge_insertion): Do not look for loop notes.
9608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9610 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9611 flag_test_coverage out of loop.
9613 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9615 * final.c (shorten_branches): Remove outdated comment, and turn
9616 the if branch that guards it to continue.
9618 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9620 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9621 * cfgloop.h (struct loop): Remove unused fields.
9623 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9625 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9626 (-dL, -fdump-rtl-loop2): Update the dump file names
9628 * doc/invoke.texi: Update dump file names.
9630 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9632 * predict.c (estimate_probability): Remove.
9633 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9634 * basic-block.h (estimate_probability): Remove prototype.
9635 * passes.c (finish_optimization_passes): Dump branch prediction or
9636 profiling heuristics to the .profile tree dump.
9637 (init_optimization_passes): Unqueue pass_branch_prob.
9639 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9641 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9643 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9644 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9646 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9648 * function.h (frame_offset_overflow): Declare.
9649 * function.c (frame_offset_overflow): New function.
9650 (assign_stack_local_1): Call it to detect that the offset overflows.
9651 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9653 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9655 * config/sh/sh.c: Include alloc-pool.h.
9656 (label_ref_list_pool): New alloc pool.
9657 (label_ref_list_t): New type for lists of labels.
9658 (struct pool_node): Make wend a label_ref_list_t.
9659 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9661 (dump_table): Likewise.
9662 (sh_reorg): Set up the alloc pool before using add_constant and
9663 dump_table, and destroy it when finishing.
9665 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9667 * config/mips/mips.c: Remove redundant comment.
9669 2006-03-10 Jason Merrill <jason@redhat.com>
9672 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9673 the target was declared 'register'.
9675 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9677 * genpreds.c (write_insn_constraint_len): Change definition of
9678 insn_constraint_len to return size_t to match the declaration.
9680 2006-03-10 DJ Delorie <dj@redhat.com>
9682 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9684 (m32c_expand_insv): Fix test for an AND mask.
9686 2006-03-10 Richard Guenther <rguenther@suse.de>
9689 * builtins.c (get_pointer_alignment): Handle component
9690 references for field alignment.
9692 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9694 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9695 when building with libgloss.
9696 (sh*elf): Implement --without-fp option.
9697 (sh64-superh-linux*): Don't multilib.
9699 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9701 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9703 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9705 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9706 Set it when one of the replacement functions returned true.
9707 Return TODO_cleanup_cfg if cfgchanged is true.
9708 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9710 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9712 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9713 instead of gen_lowpart.
9715 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9717 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9719 (mips_output_order_conditional_branch): Declare.
9720 * config/mips/mips.h (MIPS_BRANCH): New macro.
9721 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9722 for the comparison. Use gen_condjump.
9723 (mips_output_conditional_branch): Rework interface to take the
9724 asm templates for a direct branch and the inverse of a direct branch.
9725 (mips_output_order_conditional_branch): New function.
9726 (mips_builtin_branch_and_move): New function.
9727 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9728 branch condition. Use gen_single_cc as the condition for
9729 __builtin_mips_upper_* or __builtin_mips_lower_*.
9730 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9731 Use VOIDmode for the branch condition.
9732 * config/mips/predicates.md (order_operator): New predicate.
9733 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9734 (branch_fp): Rename to...
9735 (*branch_fp): ...this. Remove mode from comparison operator.
9736 Use new mips_output_conditional_branch interface.
9737 (branch_fp_inverted): Rename to...
9738 (*branch_fp_inverted): ...this and update as for *branch_fp.
9739 (*branch_zero<mode>): Rename to...
9740 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9741 Use mips_output_order_conditional_branch. Only accept ordered
9743 (*branch_zero<mode>_inverted): Rename to...
9744 (*branch_order<mode>_inverted): ...this and update as for
9745 *branch_order<mode>.
9746 (*branch_equality<mode>): Accept zero as the second operand to
9747 the equality operator. Use the new mips_output_conditional_branch
9749 (*branch_equality<mode>_inverted): Likewise.
9750 (condjump): New expander.
9751 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9753 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9754 (bc1any2t, bc1any2f): Likewise.
9755 (single_cc): New expander.
9756 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9758 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9760 * doc/md.texi: Update documentation of MIPS constraints.
9761 * config/mips/constraints.md: New file.
9762 * config/mips/mips.md: Include it.
9763 * config/mips/mips.c (mips_char_to_class): Delete.
9764 (override_options): Don't initialize mips_char_to_class.
9765 * config/mips/mips.h (mips_char_to_class): Delete.
9766 (REG_CLASS_FROM_LETTER): Delete.
9767 (CONST_OK_FOR_LETTER_P): Delete.
9768 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9769 (EXTRA_CONSTRAINT_Y): Delete.
9770 (EXTRA_CONSTRAINT_STR): Delete.
9771 (CONSTRAINT_LEN): Delete.
9772 (EXTRA_MEMORY_CONSTRAINT): Delete.
9774 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9776 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9777 original fn's eh regions.
9779 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9781 * fold-const.c (build_range_check): Make sure to use a valid type to
9782 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9785 (range_predecessor): New static function.
9786 (range_successor): Likewise.
9787 (merge_ranges): Use them to compute predecessors and successors of
9790 2006-03-09 Roger Sayle <roger@eyesopen.com>
9793 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9794 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9796 2006-03-08 DJ Delorie <dj@redhat.com>
9798 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9799 (addpsi3): Expand to include memory operands. Remove
9800 reload-specific splits.
9801 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9802 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9803 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9804 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9805 (shift1_qi, shift1_hi, insv): New.
9806 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9807 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9808 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9810 * config/m32c/m32c-protos.h: Update as needed.
9811 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9812 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9813 Fail for unrecognized R* constraints.
9814 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9815 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9816 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9818 (m32c_init_libfuncs): New.
9819 (m32c_legitimate_address_p): Add debug wrapper.
9820 (m32c_rtx_costs): New.
9821 (m32c_address_cost): New.
9822 (conversions): Add 'B' prefix.
9823 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9824 operands, or word regnames for QI operands. 'B' prints bit
9826 (m32c_expand_setmemhi): New.
9827 (m32c_expand_movmemhi): New.
9828 (m32c_expand_movstr): New.
9829 (m32c_expand_cmpstr): New.
9830 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9831 (m32c_expand_neg_mulpsi3): Handle non-ints.
9832 (m32c_cmp_flg_0): New.
9833 (m32c_expand_movcc): New.
9834 (m32c_expand_insv): New.
9835 (m32c_scc_pattern): New.
9836 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9837 a0/a1 out of SIregs.
9838 (STORE_FLAG_VALUE): New.
9839 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9842 * config/m32c/mov.md: Make constraints more liberal.
9843 (zero_extendqihi2): Optimize r0/r1 case.
9844 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9845 * config/m32c/predicates.md (m32c_any_operand): New.
9846 (m32c_nonimmediate_operand): New.
9847 (m32c_hl_operand): New.
9848 (m32c_r3_operand): New.
9851 (memsym_operand): New.
9852 (memimmed_operand): New.
9853 (a_qi_operand): New.
9854 (m32c_eqne_operator): New.
9855 (m32c_1bit8_operand): New.
9856 (m32c_1bit16_operand): New.
9857 (m32c_1mask8_operand): New.
9858 (m32c_1mask16_operand): New.
9859 * config/m32c/blkmov.md: New file.
9860 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9862 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9864 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9865 unsigned to fix signed/unsigned comparison issue in
9866 DWARF2_FRAME_REG_OUT.
9867 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9868 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9870 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9871 of ptr into the ENABLE_CHECKING section.
9873 2006-03-08 Jeff Law <law@redhat.com>
9875 * tree-vrp.c (infer_value_range): Only count pointer uses
9876 and dereferences if -fdelete-null-pointer-checks is enabled.
9878 * tree-vrp.c (find_assert_locations): Infer value ranges for
9879 single use pointers, but do not create ASSERT_EXPRs for them.
9880 When a non-null range is inferred for a pointer, backwards
9881 propagate that range to other equivalent pointers through the
9884 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9887 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9888 language hook targets.
9889 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9890 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9891 if language hook targets were missing.
9893 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9895 * tree-ssa-opfinalize.h: Removed.
9896 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9898 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9899 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9900 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9901 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9902 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9903 finalize_ssa_v_must_def_ops): New.
9905 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9907 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9910 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9912 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9914 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9915 addresses with offsets; reorganize.
9917 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9918 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9919 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9921 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9924 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9926 2006-03-08 Ben Elliston <bje@au.ibm.com>
9928 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9930 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9933 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9936 2006-03-07 Richard Guenther <rguenther@suse.de>
9938 PR tree-optimization/26587
9939 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9941 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9943 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9945 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9947 * hooks.c (hook_bool_mode_rtx_true): New function.
9948 * hooks.h (hook_bool_mode_rtx_true): Declare.
9949 * toplev.c (compile_file): Call output_shared_constant_pool.
9950 * varasm.c (shared_constant_pool): New variable.
9951 (assemble_start_function, assemble_end_function): Remove arguments
9952 from call to output_constant_pool.
9953 (create_constant_pool): New function, split out from...
9954 (init_varasm_status): ...here.
9955 (force_const_mem): Choose between the shared and per-function constant
9956 pools. Set current_function_uses_const_pool when reusing old entries
9957 as well as when creating new ones.
9958 (mark_constant): Ignore data argument.
9959 (mark_constants): Remove pool argument.
9960 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9961 to decide whether the function uses a constant pool.
9962 (output_constant_pool_contents): New function, split out from...
9963 (output_constant_pool): ...here.
9964 (output_shared_constant_pool): New function.
9965 (init_varasm_once): Initialize shared_constant_pool.
9966 * output.h (output_constant_pool): Delete.
9967 (output_shared_constant_pool): Declare.
9968 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9969 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9971 2006-03-06 Nick Clifton <nickc@redhat.com>
9973 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9974 flag_strength_reduce.
9976 2006-03-06 Ben Elliston <bje@au.ibm.com>
9978 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9979 x86_64-*-linux* configurations.
9981 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9982 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9984 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9986 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9988 * basic-block.h: Remove the extern for
9989 rediscover_loops_after_threading.
9991 * cfgloop.c (cancel_loop): Make it static.
9992 * cfgloop.h: Remove the prototype for cancel_loop.
9994 * flow.c (recompute_reg_usage): Make it static.
9995 * rtl.h: Remove the prototype for recompute_reg_usage.
9997 * function.c (use_return_register): Make it static.
9998 * function.h: Remove the prototype.
10000 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10002 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10004 * recog.h: Remove the prototype for
10005 validate_change_maybe_volatile.
10007 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10009 * rtlanal.c (replace_reg): Remove.
10010 * rtl.h: Remove the prototype for replace_reg.
10012 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10014 * regclass.c (reg_scan_update): Remove.
10015 (reg_scan_mark_refs): Remove the last argument.
10016 * rtl.h: Remove the prototype for reg_scan_update.
10018 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10020 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10021 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10022 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10023 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10024 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10025 loop-invariant.c, omp-low.c, opts.c, passes.c,
10026 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10027 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10028 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10029 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10030 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10031 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10033 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10035 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10036 * dwarf2out.h: Remove the prototype for
10037 dwarf2out_add_library_unit_info.
10039 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10041 * tree.c (add_var_to_bind_expr): Remove.
10042 * tree.h: Remove the prototype for add_var_to_bind_expr.
10044 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10046 * regclass.c (n_non_fixed_regs): Remove.
10047 (init_reg_sets_1, globalize_reg): Remove all uses of
10049 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10051 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10053 * rtlanal.c (insns_safe_to_move_p): Remove.
10054 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10056 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10058 * expmed.c (expand_mult_add): Remove.
10059 * expr.h: Remove the prototype for expand_mult_add.
10061 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10063 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10064 and REG_SAVED_VAL_EXP constants.
10065 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10066 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10067 Handle regs stored by value.
10068 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10069 (execute_cfa_program): Handle DW_CFA_val_offset,
10070 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10071 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10072 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10073 (uw_install_context_1): Handle target regs stored by value.
10075 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10077 * tree-sra.c (tree_sra): Return todoflags;
10078 (generate_one_element): Set TODO_update_smt_usage if needed.
10079 (pass_sra): Remove TODO_update_smt_usage.
10080 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10082 (tree_ssa_forward_propagate_single_use_vars): Return
10083 TODO_update_smt_usage if we need to update SMT usage.
10084 (pass_forwprop): Remove TODO_update_smt_usage.
10086 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10088 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10089 (correct_use_link): Remove reference to get_stmt_operands.
10090 (update_stmt_operands): Likewise.
10091 (get_modify_expr_operands): New function factored out of
10092 parse_ssa_operands and get_expr_operands.
10093 Try to create V_MUST_DEFs for LHS by default.
10094 (get_expr_operands) <case MODIFY_EXPR>: Call
10095 get_modify_expr_operands.
10096 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10097 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10098 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10099 get_modify_expr_operands.
10101 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10103 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10104 * tree-flow.h: Remove the prototype for
10105 referenced_var_lookup_if_exists.
10107 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10109 PR rtl-optimization/26345
10111 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10113 2006-03-03 Roger Sayle <roger@eyesopen.com>
10115 PR tree-optimization/26524
10116 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10117 fold_convert to create a constant of the appropriate type.
10119 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10121 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10122 SYMBOL_REF_IN_BLOCK_P.
10123 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10124 of SYMBOL_FLAG_IN_BLOCK.
10125 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10126 instead of SYMBOL_REF_IN_BLOCK_P.
10127 * explow.c (use_anchored_address): Likewise.
10128 * rtl.c (rtx_size): Likewise.
10129 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10130 instead of SYMBOL_FLAG_IN_BLOCK.
10131 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10132 SYMBOL_REF_IN_BLOCK_P.
10133 (assemble_variable): Likewise.
10134 (output_constant_def_contents): Likewise.
10135 (output_constant_pool): Likewise.
10136 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10137 instead of SYMBOL_FLAG_IN_BLOCK.
10138 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10139 SYMBOL_REF_IN_BLOCK_P.
10140 (SYMBOL_REF_BLOCK): Likewise.
10141 (SYMBOL_REF_OFFSET): Likewise.
10142 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10143 SYMBOL_REF_IN_BLOCK_P.
10144 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10145 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10146 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10147 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10149 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10151 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10153 2006-03-02 Roger Sayle <roger@eyesopen.com>
10155 * simplify-rtx.c (simplify_unary_operation): When simplifying
10156 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10157 that we perform the right shift in the appropriate mode, and
10158 then extend or truncate the result to requested mode.
10160 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10162 * gengtype.c (main): Handle double_int type.
10163 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10164 * double-int.c: New file.
10165 * double-int.h: New file.
10166 * system.h: Include doubleint.h.
10167 * Makefile.in (SYSTEM_H): Include double-int.h.
10168 (double-int.o): Add.
10170 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10173 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10176 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10178 * tree-vrp.c (remove_range_assertions): Do not update statements
10181 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10183 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10185 * gcse.c (rest_of_handle_gcse): Ditto.
10186 * except.c (gate_handle_eh): Ditto.
10187 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10188 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10190 2006-03-02 Eric Christopher <echristo@apple.com>
10192 * config/i386/i386.c (machopic_output_stub): Add indirection to
10195 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10199 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10201 Sun Niagara specific optimizations.
10202 * config.gcc: Recognize niagara as target.
10203 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10204 (TARGET_CPU_niagara): Define.
10205 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10206 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10207 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10208 (ASM_CPU_SPEC): Likewise.
10209 (PROCESSOR_NIAGARA): New enum entry.
10210 (REGISTER_MOVE_COST): Handle Niagara.
10211 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10212 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10213 (sparc_override_options): Recognize "niagara", set appropriate
10214 default MASK_* values for it, and align functions to 32-bytes
10215 by default just like ULTRASPARC/ULTRASPARC3.
10216 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10217 (sparc64_initialize_trampoline): Likewise.
10218 (sparc_use_sched_lookahead): Use zero for niagara.
10219 (sparc_issue_rate): Use one for niagara.
10220 * config/sparc/niagara.md: New file.
10221 * config/sparc/sparc.md: Include it.
10222 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10223 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10224 when default cpu is niagara.
10225 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10226 (ASM_CPU_SPEC): Likewise.
10227 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10228 when default cpu is niagara.
10229 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10230 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10231 just like v9/ultrasparc/ultrasparc3.
10232 * doc/invoke.texi: Add documentation for "niagara" and improve
10233 existing documentation for ultrasparc variants.
10235 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10237 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10239 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10241 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10242 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10243 and say that only one is needed.
10244 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10245 * target.h (have_switchable_bss_sections): New hook.
10246 * explow.c (use_anchored_address): Check that the symbol is in a block.
10247 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10248 (bss_noswitch_section): New variables.
10249 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10250 (get_noswitch_section): New function.
10251 (get_block_for_section): Allow SECT to be null.
10252 (unlikely_text_section_p): Use SECTION_STYLE.
10253 (bss_initializer_p): New function.
10254 (get_variable_section): Move earlier in file. Take a new argument,
10255 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10256 Return one of the new *_sections in such cases.
10257 (get_block_for_decl): New function, extracting some logic from
10258 use_blocks_for_decl_p.
10259 (change_symbol_section): Remove in favor of...
10260 (change_symbol_block): ...this new function.
10261 (use_blocks_for_decl_p): Remove checks now performed by
10262 get_block_for_decl.
10263 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10264 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10265 (emit_local, emit_bss, emit_common): ...these new functions.
10266 Return true if the alignment was honored.
10267 (emit_tls_common): New function.
10268 (asm_emit_uninitialised): Delete.
10269 (assemble_variable_noswitch): New function, split out from...
10270 (assemble_variable): ...here. Don't make decisions about common
10271 variables here. Globalize all public decls that go into non-common
10272 sections. Check whether SYMBOL_REF_BLOCK is null.
10273 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10274 (output_constant_pool): Likewise.
10275 (init_varasm_once): Initialize the new section variables.
10276 (have_global_bss_p): New function.
10277 (categorize_decl_for_section): Use bss_initializer_p.
10278 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10279 (place_block_symbol): Assert that the symbol must be in a block.
10280 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10281 (TARGET_INITIALIZER): Include it.
10282 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10283 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10284 (SECTION_MACH_DEP): Bump by two.
10285 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10286 (unnamed_section): Mention SECTION_UNNAMED in comment.
10287 (named_section): Likewise SECTION_NAMED.
10288 (noswitch_section_callback): New type.
10289 (noswitch_section): New structure.
10290 (section): Add a noswitch_section alternative.
10291 (SECTION_STYLE): New macro.
10292 (tls_comm_section, comm_section, lcomm_section): Declare.
10293 (bss_noswitch_section, have_global_bss_p): Declare.
10294 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10295 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10297 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10298 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10301 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10303 * tree-vrp.c (execute_vrp): Return value.
10304 * regrename.c (rest_of_handle_regrename): Ditto.
10305 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10306 * tree-complex.c (tree_lower_complex): Ditto.
10307 (tree_lower_complex_O0): Ditto.
10308 * tracer.c (rest_of_handle_tracer): Ditto.
10309 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10310 * postreload.c (rest_of_handle_postreload): Ditto.
10311 * tree-tailcall.c (execute_tail_recursion): Ditto.
10312 (execute_tail_calls): Ditto.
10313 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10314 * tree.h (init_function_for_compilation): Ditto.
10315 * ipa-cp.c (ipcp_driver): Ditto.
10316 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10317 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10318 * final.c (compute_alignments): Ditto.
10319 (rest_of_handle_final): Ditto.
10320 (rest_of_handle_shorten_branches): Ditto.
10321 (rest_of_clean_state): Ditto.
10322 * omp-low.c (execute_expand_omp): Ditto.
10323 (execute_lower_omp): Ditto.
10324 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10325 * ipa-reference.c (static_execute): Ditto.
10326 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10327 * reorg.c (rest_of_handle_delay_slots): Ditto.
10328 (rest_of_handle_machine_reorg): Ditto.
10329 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10330 * flow.c (recompute_reg_usage): Ditto.
10331 (rest_of_handle_remove_death_notes): Ditto.
10332 (rest_of_handle_life): Ditto.
10333 (rest_of_handle_flow2): Ditto.
10334 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10335 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10336 (do_ssa_store_ccp): Ditto.
10337 (execute_fold_all_builtins): Ditto.
10338 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10339 * modulo-sched.c (rest_of_handle_sms): Ditto.
10340 * ipa-pure-const.c (static_execute): Ditto.
10341 * cse.c (rest_of_handle_cse): Ditto.
10342 (rest_of_handle_cse2): Ditto.
10343 * web.c (rest_of_handle_web): Ditto.
10344 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10345 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10346 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10347 * tree-nrv.c (tree_nrv): Ditto.
10348 (execute_return_slot_opt): Ditto.
10349 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10350 (create_structure_vars): Ditto.
10351 * loop-init.c (rtl_loop_init): Ditto.
10352 (rtl_loop_done): Ditto.
10353 (rtl_move_loop_invariants): Ditto.
10354 (rtl_unswitch): Ditto.
10355 (rtl_unroll_and_peel_loops): Ditto.
10356 (rtl_doloop): Ditto.
10357 * gimple-low.c (lower_function_body): Ditto.
10358 (mark_used_blocks): Ditto.
10359 * tree-ssa-sink.c (execute_sink_code): Ditto.
10360 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10361 (cgraph_early_inlining): Ditto.
10362 * global.c (rest_of_handle_global_alloc): Ditto.
10363 * jump.c (cleanup_barriers): Ditto.
10364 (purge_line_number_notes): Ditto.
10365 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10366 (rest_of_handle_if_after_reload): Ditto.
10367 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10368 (tree_ssa_loop_im): Ditto.
10369 (tree_ssa_loop_unswitch): Ditto.
10370 (tree_vectorize): Ditto.
10371 (tree_linear_transform): Ditto.
10372 (tree_ssa_loop_ivcanon): Ditto.
10373 (tree_ssa_empty_loop): Ditto.
10374 (tree_ssa_loop_bounds): Ditto.
10375 (tree_complete_unroll): Ditto.
10376 (tree_ssa_loop_prefetch): Ditto.
10377 (tree_ssa_loop_ivopts): Ditto.
10378 (tree_ssa_loop_done): Ditto.
10379 * predict.c (tree_estimate_probability): Ditto.
10380 * recog.c (split_all_insns_noflow): Ditto.
10381 (rest_of_handle_peephole2): Ditto.
10382 (rest_of_handle_split_all_insns): Ditto.
10383 * tree-eh.c (lower_eh_constructs): Ditto.
10384 * regmove.c (rest_of_handle_regmove): Ditto.
10385 (rest_of_handle_stack_adjustments): Ditto.
10386 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10387 * function.c (instantiate_virtual_regs): Ditto.
10388 (init_function_for_compilation): Ditto.
10389 (rest_of_handle_check_leaf_regs): Ditto.
10390 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10391 (rest_of_handle_gcse): Ditto.
10392 * ipa-type-escape.c (type_escape_execute): Ditto.
10393 * alias.c (rest_of_handle_cfg): Ditto.
10394 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10395 * profile.c (rest_of_handle_branch_prob): Ditto.
10396 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10397 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10398 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10399 * tree-dfa.c (find_referenced_vars): Ditto.
10400 * except.c (set_nothrow_function_flags): Ditto.
10401 (convert_to_eh_region_ranges): Ditto.
10402 (rest_of_handle_eh): Ditto.
10403 * emit-rtl.c (unshare_all_rtl): Ditto.
10404 (remove_unnecessary_notes): Ditto.
10405 * except.h (set_nothrow_function_flags): Ditto.
10406 (convert_to_eh_region_ranges): Ditto.
10407 * cfgexpand.c (tree_expand_cfg): Ditto.
10408 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10409 * tree-ssa-pre.c (do_pre): Ditto.
10410 (execute_fre): Ditto.
10411 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10412 (rest_of_handle_jump2): Ditto.
10413 * tree-sra.c (tree_sra): Ditto.
10414 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10415 (execute_mudflap_function_decls): Ditto.
10416 * tree-ssa-copy.c (do_copy_prop): Ditto.
10417 (do_store_copy_prop): Ditto.
10418 * ipa-prop.h (ipcp_driver): Ditto.
10419 * cfglayout.c (insn_locators_initialize): Ditto.
10420 * tree-ssa-forwprop.c
10421 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10422 * cfglayout.h (insn_locators_initialize): Ditto.
10423 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10424 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10425 (execute_late_warn_uninitialized): Ditto.
10426 * rtl.h (cleanup_barriers): Ditto.
10427 (split_all_insns_noflow): Ditto.
10428 (purge_line_number_notes): Ditto.
10429 (unshare_all_rtl): Ditto.
10430 (remove_unnecessary_notes): Ditto.
10431 (recompute_reg_usage): Ditto.
10432 (variable_tracking_main): Ditto.
10433 * integrate.c (emit_initial_value_sets): Ditto.
10434 * integrate.h (emit_initial_value_sets): Ditto.
10435 * tree-optimize.c (execute_free_datastructures): Ditto
10436 (execute_free_cfg_annotations): Ditto.
10437 (execute_fixup_cfg): Ditto.
10438 (execute_cleanup_cfg_pre_ipa): Ditto.
10439 (execute_cleanup_cfg_post_optimizing): Ditto.
10440 (execute_init_datastructures): Ditto.
10441 * tree-object-size.c (compute_object_sizes): Ditto.
10442 * combine.c (rest_of_handle_combine): Ditto.
10443 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10444 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10445 (rest_of_handle_reorder_blocks): Ditto.
10446 (rest_of_handle_partition_blocks): Ditto.
10447 * var-tracking.c (variable_tracking_main): Ditto.
10448 * tree-profile.c (tree_profiling): Ditto.
10449 * tree-vect-generic.c (expand_vector_operations): Ditto.
10450 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10451 * sched-rgn.c (rest_of_handle_sched): Ditto.
10452 (rest_of_handle_sched2): Ditto.
10453 * basic-block.h (free_bb_insn): Ditto.
10454 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10455 * tree-cfg.c (execute_build_cfg): Ditto.
10456 (remove_useless_stmts): Ditto.
10457 (split_critical_edges): Ditto.
10458 (execute_warn_function_return): Ditto.
10459 (execute_warn_function_noreturn): Ditto.
10460 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10461 * cfgrtl.c (free_bb_for_insn): Ditto.
10462 * passes.c (execute_one_pass): Run additional
10463 todos returned by execute function.
10464 * tree-pass.h (struct tree_opt_pass): Make execute
10467 2006-03-02 Richard Guenther <rguenther@suse.de>
10469 * tree-ssa-alias.c (find_used_portions): Consider taking
10470 the address as making the variable not write-only.
10472 2006-03-02 Nick Clifton <nickc@redhat.com>
10474 * config.gcc (default_use_cxa_atexit): Extend the description of
10475 this configure variable. Set its default value to "yes" for
10476 Linux, NetBSD and ELF targets on the assumption that they will
10477 use C libraries with the __cxa_atexit function.
10479 2006-03-02 Ben Elliston <bje@au.ibm.com>
10481 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10482 parameter as unused to suppress a build warning.
10484 2006-03-02 Ben Elliston <bje@au.ibm.com>
10486 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10489 2006-03-01 Roger Sayle <roger@eyesopen.com>
10492 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10493 declared name, the weak reference name, and the typeof name.
10494 (__gthrw): Avoid expanding the declared name suffix.
10495 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10497 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10499 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10501 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10502 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10503 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10504 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10505 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10506 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10507 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10508 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10509 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10510 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10511 (DW_END_default, DW_END_big, DW_END_little): New.
10512 (DW_END_lo_user, DW_END_hi_user): Define.
10513 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10514 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10515 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10518 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10520 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10522 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10524 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10526 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10528 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10529 to 'symbol_mem_tag'.
10531 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10534 2006-03-01 Roger Sayle <roger@eyesopen.com>
10536 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10538 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10541 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10542 MACHO_DYNAMIC_NO_PIC_P.
10543 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10545 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10548 * config/darwin-protos.h (darwin_asm_output_anchor):
10550 * config/darwin-sections.def (cstring_section):
10551 Add SECTION_MERGE to the flags.
10552 (literal4_section): Likewise.
10553 (literal8_section): Likewise.
10554 (objc_selector_refs_section): Likewise.
10555 (objc_cls_refs_section): Likewise.
10556 * config/darwin.c (darwin_asm_output_anchor): New
10558 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10560 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10562 Fix PR tree-optimization/26443
10563 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10564 to todo and PROP_tmt_usage to properties_destroyed.
10565 * tree-ssa-ccp.c (pass_ccp): Ditto.
10566 (pass_store_ccp): Ditto.
10567 * tree-ssa-dom.c (pass_dominator): Ditto.
10569 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10571 * tree-ssa-operands.c: Cleanup whitespace.
10572 (get_asm_expr_operands): Move before first invocation.
10573 (get_indirect_ref_operands): Likewise.
10574 (get_tmr_operands): Likewise.
10575 (get_call_expr_operands): Likewise.
10576 (append_def): Likewise.
10577 (append_use): Likewise.
10578 (append_v_may_def): Likewise.
10579 (append_v_must_def): Likewise.
10580 (add_call_clobber_ops): Likewise.
10581 (add_call_read_ops): Likewise.
10582 (add_stmt_operand): Likewise.
10583 (add_virtual_operand): Likewise.
10584 (build_ssa_operands): Likewise.
10586 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10588 PR middle-end/26022
10590 PR middle-end/24437
10591 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10592 with a call expr to ...
10593 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10595 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10597 * tree-vrp.c (extract_range_from_assert): Remove special
10598 handling for types with super-types.
10600 2006-03-01 Ben Elliston <bje@au.ibm.com>
10602 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10603 and powerpc64-*-linux* configurations.
10604 * config/t-dfprules: New file.
10606 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10607 Compile dfp-bit.c from the source directory using -DWIDTH and
10608 $DFP_CFLAGS to control the compilation of that file, rather than
10609 generating width-specific versions in the build directory.
10610 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10611 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10613 2006-02-28 Zack Weinberg <zackw@panix.com>
10615 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10618 2006-02-28 Eric Christopher <echristo@apple.com>
10620 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10621 Set up IN_LIBGCC definition of TARGET_64BIT.
10622 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10624 2006-02-28 Roger Sayle <roger@eyesopen.com>
10626 PR middle-end/14752
10627 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10628 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10629 cases via the construction of "expr != 0".
10631 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10633 * alias.c (alias_invariant, alias_invariant_size): Remove.
10634 (record_base_value): Remove.
10635 (memrefs_conflict_p): Don't look at alias_invariant.
10636 (end_alias_analysis): Don't free it.
10637 * alias.h (record_base_value): Remove prototype.
10639 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10640 Adam Nemet <anemet@caviumnetworks.com>
10642 * rtl.h (truncated_to_mode): Declare it.
10643 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10644 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10645 (RTL_HOOKS_INITIALIZER): Include it.
10646 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10647 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10648 reg_truncated_to_mode.
10649 * rtlanal.c (truncated_to_mode): Define it.
10650 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10652 2006-02-28 Jeff Law <law@redhat.com>
10654 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10655 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10656 the range allowed by TYPE_PRECISION.
10658 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10660 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10662 PR tree-optimization/26419
10663 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10666 2006-02-27 Zack Weinberg <zackw@panix.com>
10668 * doc/md.texi: Fix typo in previous change.
10670 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10674 2006-02-27 Zack Weinberg <zackw@panix.com>
10676 * rtl.def (define_constraint, define_register_constraint)
10677 (define_memory_constraint, define_address_constraint): New MD forms.
10678 * gensupport.c (process_rtx): Put define_constraint etc on the
10680 * genpreds.c (process_define_predicate): Adjust comment. Validate
10681 the name, and call validate_exp to validate the expression.
10682 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10683 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10684 all callers changed.
10685 (validate_exp, needs_variable, struct constraint_data)
10686 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10687 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10688 (const_dbl_constraints, constraint_max_namelen)
10689 (have_register_constraints, have_memory_constraints)
10690 (have_address_constraints, have_address_constraints)
10691 (have_extra_constraints, have_const_int_constraints)
10692 (have_const_dbl_constraints, mangle, add_constraint)
10693 (process_define_constraint, process_define_register_constraint)
10694 (write_enum_constraint_num, write_lookup_constraint)
10695 (write_insn_constraint_len, write_regclass_for_constraint)
10696 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10697 (write_insn_extra_memory_constraint)
10698 (write_insn_extra_address_constraint)
10699 (write_satisfies_constraint_fns): New.
10700 (write_tm_preds_h): If we have new-style constraint definitions,
10701 prototype the functions generated from them, and define the
10702 old constraint interface (still used by generic code) in terms of
10704 (write_insn_preds_c): If we have new-style constraint definitions,
10705 generate all relevant functions from those definitions.
10706 (main): Handle define_constraint etc.
10707 * genoutput.c (struct constraint_data, indep_constraints)
10708 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10709 (mdep_constraint_len): New data structures and functions, defined
10710 #ifdef USE_MD_CONSTRAINTS.
10711 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10712 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10713 use new logic to validate operand constraints against constraint
10715 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10717 * defaults.h: If none of the old-style constraint macros are
10718 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10719 old-style macros; and poison REG_CLASS_FROM_LETTER,
10720 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10722 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10723 * doc/md.texi: Document new constraint-definition mechanism and the
10724 C interface it provides. Remove references to old mechanism
10725 elsewhere in the document.
10726 (Machine Constraints): Use pathnames relative to gcc directory,
10727 i.e. config/ARCH/FILE. Change i386 section to refer to
10728 config/i386/predicates.md; update that section to match docstrings.
10729 * doc/tm.texi: Move all documentation of the old constraint-
10730 definition macros to their own section, clearly mark as obsolete.
10732 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10733 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10735 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10736 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10737 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10738 constraint strings.
10739 (splits and peepholes): Use satisfies_constraint_*.
10740 * config/i386/i386.c (memory_address_length)
10741 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10743 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10745 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10746 scalar operation to be put back into the loop.
10748 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10751 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10752 (extract_cie_info): Handle S flag in augmentation string.
10753 (execute_cfa_program): If context->signal_frame, execute also
10754 fs->pc == context->ra instructions.
10755 (uw_frame_state_for): If context->signal_frame, don't subtract one
10756 from context->ra to find FDE.
10757 (uw_update_context_1): Set context->signal_frame to
10759 (_Unwind_GetIPInfo): New function.
10760 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10761 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10763 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10764 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10765 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10766 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10767 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10768 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10769 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10770 x86_64_fallback_frame_state): Set fs->signal_frame.
10771 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10772 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10773 (frob_update_context): Likewise. Workaround missing S flag in
10774 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10775 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10776 Remove the psw_addr + 1 hack.
10778 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10780 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10781 with aggregates here.
10782 (find_func_aliases): Remove code for &<aggregate> from here.
10784 2006-02-26 Roger Sayle <roger@eyesopen.com>
10786 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10787 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10788 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10789 as (X & C) ne/eq 0.
10791 2006-02-26 Roger Sayle <roger@eyesopen.com>
10793 PR middle-end/19983
10794 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10796 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10798 * opts.c (decode_options): Do not handle flag_strength_reduce.
10799 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10800 and OPT_fstrength_reduce.
10801 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10802 flag_prefetch_loop_arrays for being nonzero.
10803 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10805 (fprefetch-loop-arrays-rtl): Removed.
10806 (flag_prefetch_loop_arrays): Do not specify the value.
10808 * doc/passes.texi: Update documentation of loop optimizer
10810 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10811 -frerun-loop-opt): Remove.
10813 2006-02-26 Richard Guenther <rguenther@suse.de>
10815 PR tree-optimization/26421
10816 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10817 in function calls that are ADDR_EXPRs as using the whole structure.
10819 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10821 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10822 * tree-pass.h (pass_loop_optimize): Remove.
10823 * passes.c (pass_loop_optimize): Never run it.
10824 * toplev.c (backend_init): Don't call init_loop.
10825 * opts.c (flag_loop_optimize_set): Remove.
10826 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10827 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10828 the old RTL loop optimizer when profiling enabled.
10829 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10830 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10831 pre-headers for the sake of the old RTL loop optimizer.
10832 * Makefile.in: Remove all references to loop.o.
10834 * doc/invoke.texi: Remove all references to -floop-optimize
10835 and -frerun-loop-opt.
10837 2006-02-26 Zack Weinberg <zackw@panix.com>
10839 * doc/md.texi (Machine Constraints): Refer to all files with paths
10840 relative to gcc directory (i.e. config/CPU/file). Add missing
10841 @table @code ... @end table to M32C subsection.
10843 2006-02-26 Roger Sayle <roger@eyesopen.com>
10845 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10847 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10849 2006-02-26 Roger Sayle <roger@eyesopen.com>
10850 James A. Morrison <phython@gcc.gnu.org>
10852 PR middle-end/21137
10853 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10854 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10855 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10856 signedness of the shift operation.
10858 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10860 PR tree-optimization/26359
10861 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10863 2006-02-25 Roger Sayle <roger@eyesopen.com>
10865 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10866 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10867 as X == 0, and some symmetry related transformations.
10868 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10870 2006-02-25 Roger Sayle <roger@eyesopen.com>
10872 PR middle-end/23673
10873 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10874 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10875 symmetry related transformations. Fold (X^C1) == C2 as
10878 2006-02-25 Juergen Weigert <jw@suse.de>
10879 Richard Guenther <rguenther@suse.de>
10881 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10883 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10885 * combine.c (gen_lowpart_or_truncate): Call
10886 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10888 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10890 * doc/invoke.texi: Move -fopenmp description to "Options for
10892 Remove reference to -lgomp.
10894 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10896 * doc/install.texi: Require GNU tar version 1.14.
10898 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10900 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10901 * doc/invoke.texi (C++ Dialect Options): Document
10902 -fno-use-cxa-get-exception-ptr.
10903 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10904 * configure: Regenerate.
10905 * c.opt (fuse-cxa-get-exception-ptr): New.
10906 * c-opts.c (c_common_handle_option): Handle
10907 OPT_fuse_cxa_get_exception_ptr.
10908 * c-common.c (flag_use_cxa_atexit): Update documentation.
10909 (flag_use_cxa_get_exception_ptr): New.
10910 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10911 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10913 (C_COMMON_OVERRIDE_OPTIONS): New.
10915 2006-02-24 Roger Sayle <roger@eyesopen.com>
10917 PR middle-end/24952
10918 * combine.c (try_combine): Explicitly check whether GET_CODE is
10919 a SET or a CLOBBER, instead on checking that it isn't a USE.
10921 2006-02-24 Roger Sayle <roger@eyesopen.com>
10923 * fold-const.c (fold_comparison): New subroutine of fold_binary
10924 containing transformations common to both the equality and
10925 ordering relational operators, factored out of fold_binary.
10926 (fold_binary): Separate out the equality operators (EQ_EXPR
10927 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10928 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10929 transformations common to both.
10930 (fold_div_compare): Fix latent bugs in the previously unreachable
10931 LT_EXPR and GE_EXPR cases.
10933 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10935 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10936 decl libname for clog to __clog on AIX.
10938 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10940 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10943 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10944 output traceback table for thunks. Localise rs6000_stack_info call.
10946 2006-02-23 Roger Sayle <roger@eyesopen.com>
10947 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10949 * gthr-posix.h (__gthrw): Fix typo in comment.
10951 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10953 * doc/cpp.texi (Character sets): Document that we do support
10954 input files to be in any character set.
10956 2006-02-23 Jeff Law <law@redhat.com>
10958 * tree.h (PHI_ARG_NONZERO): Remove.
10959 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10960 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10961 node to the new node.
10963 PR tree-optimization/26425
10964 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10965 min/max, then assume its varying.
10967 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10969 PR rtl-optimization/26316
10970 * rtlanal.c (enum may_trap_p_flags): New.
10971 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10972 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10973 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10974 (may_trap_after_code_motion_p): New function.
10975 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10976 (find_invariant_insn): Use may_trap_after_code_motion_p.
10977 * rtl.h (may_trap_after_code_motion_p): Declare.
10979 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10981 * emit-rtl.c (immed_double_const): Cleanup.
10983 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10985 Fix PR tree-optimization/26376
10986 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10989 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10991 PR middle-end/26412
10992 * gimplify.c (omp_add_variable): Guard variable size decl test with
10993 DECL_SIZE (decl) check.
10995 2006-02-23 Richard Guenther <rguenther@suse.de>
10997 PR middle-end/26439
10998 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10999 like aggregate types.
11001 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11003 * configure.ac: Add --with{,out}-long-double-128 configure option.
11004 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11005 * configure: Rebuilt.
11006 * config.in: Rebuilt.
11007 * doc/install.texi (Options specification): Document
11008 --with-long-double-128.
11010 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11011 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11012 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11013 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11015 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11017 * config/s390/s390.c (override_options): Handle
11018 TARGET_DEFAULT_LONG_DOUBLE_128.
11020 * config/alpha/alpha.c (override_options): Handle
11021 TARGET_DEFAULT_LONG_DOUBLE_128.
11023 * config/sparc/sparc.c (sparc_override_options): Handle
11024 TARGET_DEFAULT_LONG_DOUBLE_128.
11026 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11028 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11029 (real-install-headers-tar, real-install-headers-cpio)
11030 (real-install-headers-cp): New targets.
11032 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11034 * tree.h (variable_section): Delete.
11035 * varasm.c (variable_section): Delete.
11037 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11039 * install.texi: Add notes on install.texi2html.
11040 (Building in parallel): Do not use footnotes.
11042 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11045 * doc/install.texi (Configuration): Document --disable-libgomp.
11047 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11049 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11051 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11053 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11054 (vec_extractv2df_0_sse): New.
11056 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11058 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11059 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11060 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11061 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11062 to the result of the expression.
11063 (def_cfa_1): Adjust.
11064 (frame_pointer_cfa_offset): Rename to...
11065 (frame_pointer_fb_offset): ... this. Adjust all uses.
11066 (convert_cfa_to_loc_list): Rename to...
11067 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11068 Pass it on to build_cfa_loc.
11069 (compute_frame_pointer_to_cfa_displacement): Rename to...
11070 (compute_frame_pointer_to_fb_displacement): ... this. New
11071 offset parameter. Use it in computation.
11072 (gen_subprogram_die): Compute cfa_fb_offset with the new
11073 macro, and use it to compute the fb loc list and the
11076 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11078 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11079 replaced with register_operand.
11080 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11081 non-DREG is expensive.
11082 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11083 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11086 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11088 * doc/install.texi2html: Use set -e.
11090 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11092 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11093 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11094 * doc/invoke.texi (-fshared-data): Delete.
11095 * common.opt (fshared-data): Delete.
11096 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11097 (assemble_static_space): Remove #if 0 code.
11098 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11099 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11100 * config/cris/cris.h: Remove FIXME.
11102 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11104 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11107 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11109 PR middle-end/26379
11110 * combine.c (simplify_shift_const_1): Disable nested shifts
11111 optimization for vector shifts.
11113 2006-02-20 Roger Sayle <roger@eyesopen.com>
11115 PR tree-optimization/26361
11116 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11117 of unsigned integer types.
11119 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11121 * tree-chrec.c (eq_evolutions_p): New.
11122 * tree-chrec.h (eq_evolutions_p): Declared.
11123 * tree-data-ref.c: Fix formatting.
11124 (datadep_stats, dependence_stats): New.
11126 (print_direction_vector): New.
11127 (dump_data_dependence_relation): Use print_direction_vector.
11128 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11129 (compute_subscript_distance): Static.
11130 (initialize_data_dependence_relation): Static. Get the number
11131 of loops surrounding the references from the callers, and initialize
11132 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11133 base_object_differ_p analyzers.
11134 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11135 compute_overlap_steps_for_affine_1_2,
11136 analyze_subscript_affine_affine): Count the classified dependences.
11137 Print a message when a test failed.
11138 (can_use_analyze_subscript_affine_affine): New.
11139 (analyze_siv_subscript): Compute the data dependences on symbolic
11140 scevs that verify can_use_analyze_subscript_affine_affine.
11141 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11142 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11143 Handle symbolic scevs.
11144 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11146 (subscript_dependence_tester): Moved...
11147 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11148 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11149 DDR_SIZE_VECT instead of getting it in parameter.
11150 (subscript_dependence_tester): ... here. Take as a parameter
11151 loop_nest_depth. Call build_classic_dist_vector and
11152 build_classic_dir_vector.
11153 (compute_affine_dependence): Update subscript_dependence_tester
11154 parameters. Update datadep_stats counters. Call
11155 compute_subscript_distance.
11156 (compute_self_dependence): Save the dist and dir vectors. Call
11157 compute_subscript_distance.
11158 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11159 (compute_all_dependences): Reorder parameters as they were before
11160 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11161 compute_subscript_distance. Update the use of
11162 compute_affine_dependence and initialize_data_dependence_relation.
11163 (find_data_references_in_loop): Handle COMPONENT_REF.
11164 (compute_data_dependences_for_loop): Initialize dependence_stats.
11165 Don't call build_classic_dist_vector and build_classic_dir_vector.
11166 Update the parameters of initialize_data_dependence_relation and
11167 compute_all_dependences. Print the statistics from datadep_stats.
11168 (analyze_all_data_dependences): Static. Not used until the pass for
11169 checking the data dependences is contributed.
11170 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11171 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11172 (initialize_data_dependence_relation, compute_affine_dependence,
11173 analyze_all_data_dependences, compute_subscript_distance): Removed.
11174 (print_direction_vector): New.
11175 * lambda.h (gcd): ... here.
11176 (lambda_vector_gcd): Moved here from gcd_vector.
11177 * lambda-code.c (gcd, gcd_vector): Removed.
11178 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11179 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11181 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11183 * ipa-type-escape.c: Tidy some comments and white space.
11184 * tree-ssa-operands.c: Likewise.
11186 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11189 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11190 (dump_decl_name): Do not walk the decl tree chains.
11191 * tree-pass.h (TDF_CHAIN): Remove.
11193 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11195 * Makefile.in (C): Remove
11197 (.PHONY): Remove C and PROTO
11199 2006-02-20 Roger Sayle <roger@eyesopen.com>
11201 PR middle-end/26236
11202 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11203 deprecated CHAR_TYPE tree code.
11205 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11207 * configure.ac (target_list): Add install-info, dvi, html.
11208 * configure: Regenerate.
11210 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11211 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11212 treelang/Make-lang.in: Do not use double-colon rules.
11214 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11216 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11217 (TMT_USED_ALONE): New macro.
11218 * tree-pass.h (PROP_tmt_usage): New property.
11219 (TODO_update_tmt_usage): New todo.
11220 * tree-ssa-alias.c (updating_used_alone): New variable.
11221 (recalculate_used_alone): New function.
11222 (compute_may_aliases): Set updating_used_alone, call
11223 recalculate_used_alone.
11224 * tree-sra.c (pass_sra): Note that this pass destroys
11225 PROP_tmt_usage, and add TODO_update_tmt_usage.
11226 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11227 * tree-flow.h (updating_used_alone): Prototype.
11228 (recalculate_used_alone): Ditto.
11229 * passes.c (execute_todo): Add code to set updating_used_alone,
11230 and call recalculate.
11231 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11232 for clobber if used alone, and add assert to verify used_alone
11235 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11237 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11238 for non tls symbols added.
11239 (legitimize_address): Do nothing for PLUS expressions if one of the
11240 addends is a tls symbol reference.
11242 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11246 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11248 * Makefile.in (BOOTSTRAPPING): New.
11249 (quickstrap): New definition if BOOTSTRAPPING=yes.
11251 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11252 * configure.ac: Substitute all_selected_languages with the languages
11253 that were configured. For all the other variables except
11254 lang_specs_files, include all the languages in the tree.
11255 * configure: Regenerate.
11257 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11258 if there is one. Run the commands to run fixincludes in the same
11261 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11262 * doc/install.texi: Document exact conventions for searching target tools.
11263 Document --with-build-time-tools. Document toplevel bootstrap. Document
11264 something more about building an Ada cross-compiler. Don't list GNU Make
11265 requirements which affect all platforms.
11267 2006-02-19 Roger Sayle <roger@eyesopen.com>
11269 PR middle-end/19543
11270 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11271 only equivalent if the have both the same mode and precision.
11273 2006-02-20 Ben Elliston <bje@au.ibm.com>
11275 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11277 2006-02-19 Roger Sayle <roger@eyesopen.com>
11278 Steven Bosscher <stevenb.gcc@gmail.com>
11280 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11281 constant pool references to identify stack mode constants.
11282 * rtlanal.c (constant_pool_constant_p): New predicate to check
11283 whether operand is a floating point constant in the pool.
11284 * rtl.h (constant_pool_constant_p): Prototype here.
11285 * loop.c (scan_loop): Avoid hoisting constants from the constant
11286 pool on STACK_REGS targets.
11287 (load_mems): Likewise.
11288 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11289 loads into x87 registers expensive in terms of register pressure.
11291 2006-02-19 Roger Sayle <roger@eyesopen.com>
11293 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11294 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11296 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11298 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11299 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11301 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11303 * doc/invoke.texi: Document -fipa-pta.
11304 * common.opt: Add ipa-pta option.
11305 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11306 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11307 (do_ds_constraint): Ditto.
11308 (get_constraint_for): Only add to referenced_vars if
11309 referenced_vars exists.
11310 (insert_into_field_list): Rewrite to do this unsorted.
11311 (insert_into_field_list_sorted): Rename old insert_into_field_list
11313 (create_function_info_for): Use insert_into_field_list_sorted.
11314 (create_variable_info_for): Rewrite so it uses unsorted version,
11315 since the field list is sorted.
11316 (intra_create_variable_infos): Only add to referenced_vars if
11317 referenced_vars exists.
11318 (ipa_pta_execute): Init heapvars, and delete when done.
11319 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11321 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11323 * doc/install.texi: Add missing `@samp'.
11325 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11327 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11330 2006-02-18 Mark Wielaard <mark@klomp.org>
11332 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11333 who added new 4.1 features, bug fixes and integration support.
11335 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11338 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11339 MEM for ABI_V4 pic.
11341 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11343 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11344 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11345 (copy_insn_1): Likewise. Don't copy each field individually.
11347 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11349 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11350 * rtl.c (rtx_size): Rename variable to...
11351 (rtx_code_size): ...this.
11352 (rtx_size): New function.
11353 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11354 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11356 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11357 * rtl.h (rtx_code_size): New variable.
11358 (rtx_size): Change from a variable to a function.
11359 (RTX_SIZE): Rename to...
11360 (RTX_CODE_SIZE): ...this.
11363 PR tree-optimization/17106
11364 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11365 (Anchored Addresses): New section.
11366 * doc/invoke.texi (-fsection-anchors): Document.
11367 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11368 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11369 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11370 * hooks.c (hook_bool_mode_rtx_false): New function.
11371 * hooks.h (hook_bool_mode_rtx_false): Declare.
11372 * gengtype.c (create_optional_field): New function.
11373 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11374 SYMBOL_REF_IN_BLOCK_P is true.
11375 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11376 (min_anchor_offset, max_anchor_offset): Likewise.
11377 (use_anchors_for_symbol_p): New hook.
11378 * toplev.c (compile_file): Call output_object_blocks.
11379 (target_supports_section_anchors_p): New function.
11380 (process_options): Check that -fsection-anchors is only used on
11381 targets that support it and when -funit-at-a-time is in effect.
11382 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11383 if the decl doesn't have one.
11384 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11385 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11386 of force_const_mem through use_anchored_address.
11387 (expand_expr_constant): New function.
11388 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11389 calling expand_expr for INDIRECT_REF.
11390 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11391 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11392 * expr.h (use_anchored_address): Declare.
11393 * loop-unroll.c: Don't declare rtx vectors here.
11394 * explow.c: Include output.h.
11395 (validize_mem): Call use_anchored_address.
11396 (use_anchored_address): New function.
11397 * common.opt (-fsection-anchors): New switch.
11398 * varasm.c (object_block_htab, anchor_labelno): New variables.
11399 (hash_section, object_block_entry_eq, object_block_entry_hash)
11400 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11401 (use_blocks_for_decl_p, change_symbol_section): New functions.
11402 (get_variable_section): New function, split out from assemble_variable.
11403 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11404 use_blocks_for_decl_p say so. Use change_symbol_section if the
11405 symbol has already been created.
11406 (assemble_variable_contents): New function, split out from...
11407 (assemble_variable): ...here. Don't output any code for
11408 block symbols; just pass them to place_block_symbol.
11409 Use get_variable_section and assemble_variable_contents.
11410 (get_constant_alignment, get_constant_section, get_constant_size): New
11411 functions, split from output_constant_def_contents.
11412 (build_constant_desc): Create a block symbol if use_object_blocks_p
11413 says so. Or into SYMBOL_REF_FLAGS.
11414 (assemble_constant_contents): New function, split from...
11415 (output_constant_def_contents): ...here. Don't output any code
11416 for block symbols; just pass them to place_section_symbol.
11417 Use get_constant_section and get_constant_alignment.
11418 (force_const_mem): Create a block symbol if use_object_blocks_p and
11419 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11420 (output_constant_pool_1): Add an explicit alignment argument.
11421 Don't switch sections here.
11422 (output_constant_pool): Adjust call to output_constant_pool_1.
11423 Switch sections here instead. Don't output anything for block symbols;
11424 just pass them to place_block_symbol.
11425 (init_varasm_once): Initialize object_block_htab.
11426 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11427 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11428 (place_block_symbol, get_section_anchor, output_object_block)
11429 (output_object_block_htab, output_object_blocks): New functions.
11430 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11431 (TARGET_ASM_OUT): Include it.
11432 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11433 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11434 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11435 (TARGET_INITIALIZER): Include them.
11436 * rtl.c (rtl_check_failed_block_symbol): New function.
11437 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11438 (block_symbol, object_block): New structures.
11439 (rtx_def): Add a block_symbol field to the union.
11440 (BLOCK_SYMBOL_CHECK): New macro.
11441 (rtl_check_failed_block_symbol): Declare.
11442 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11443 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11444 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11445 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11446 * output.h (output_section_symbols): Declare.
11447 (object_block): Name structure.
11448 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11449 (default_use_anchors_for_symbol_p): Declare.
11450 * Makefile.in (RTL_BASE_H): Add vec.h.
11451 (explow.o): Depend on output.h.
11452 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11453 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11454 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11455 (rs6000_use_blocks_for_constant_p): New function.
11457 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11459 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11461 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11464 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11467 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11469 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11473 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11475 PR middle-end/26334
11476 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11477 instead of DECL_REGISTER.
11479 2006-02-18 Olivier Hainque <hainque@adacore.com>
11482 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11484 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11487 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11488 * opth-gen.awk: Handle Var and InverseMask together.
11489 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11490 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11491 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11492 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11494 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11495 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11496 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11497 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11498 LINUX_DYNAMIC_LINKER): Define.
11499 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11500 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11502 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11503 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11504 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11506 (TARGET_C99_FUNCTIONS): Don't define.
11507 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11508 GLIBC_DYNAMIC_LINKER.
11509 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11510 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11511 GLIBC_DYNAMIC_LINKER64): Define.
11512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11513 LINUX_DYNAMIC_LINKER64.
11514 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11516 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11518 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11520 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11521 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11522 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11524 and LINUX_DYNAMIC_LINKER32.
11525 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11527 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11528 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11529 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11531 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11532 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11533 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11534 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11535 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11536 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11537 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11538 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11539 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11540 LINUX_DYNAMIC_LINKER): Define.
11541 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11542 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11543 GLIBC_DYNAMIC_LINKER64): Define.
11544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11545 LINUX_DYNAMIC_LINKER64.
11546 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11547 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11548 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11549 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11550 LINUX_DYNAMIC_LINKER): Define.
11551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11552 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11553 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11554 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11555 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11556 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11557 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11558 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11559 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11560 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11561 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11562 * doc/invoke.texi (-muclibc): Remove caveat about supported
11565 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11567 * doc/cpp.texi (__TIMESTAMP__): Document.
11569 2006-02-17 Roger Sayle <roger@eyesopen.com>
11571 PR middle-end/25600
11572 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11573 C is one less than the width of X (and related transformations).
11574 * simplify-rtx.c (simplify_unary_operation_1): Transform
11575 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11576 depending on STORE_FLAG_VALUE, were C is one less then the
11579 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11581 Fix PR tree-optimization/26341
11582 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11583 about NAME_MEMORY_TAG's.
11585 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11588 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11589 with hardware float support, and software float support. Add fcpy
11590 alternative to hardware patterns. Add alternatives to copy between
11591 general and floating-point registers to the 32-bit pattern.
11592 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11593 secondary reload to load a QI or HI mode constant into a floating
11595 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11596 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11598 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11601 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11603 (load_macho_picbase_di): Likewise.
11605 2006-02-16 Jeff Law <law@redhat.com>
11607 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11608 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11609 (ssa_name_nonzero_p): Likewise.
11610 (get_value_range): Return NULL if VRP is not running.
11611 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11612 VRP routines do not discover a range.
11613 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11614 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11615 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11616 (tree_expr_nonnegative_p): Similarly.
11617 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11618 (restore_nonzero_vars_to_original_value): Remove.
11619 (unsafe_associative_fp_binop): Remove.
11620 (tree_ssa_dominator_optimize): Remove initialization and
11621 finalization of nonzero_vars and nonzero_vars_stack.
11622 (dom_opt_initialize_block): No longer push marker on
11623 nonzero_vars_stack.
11624 (dom_opt_finalize_block): No longer call
11625 restore_nonzero_vars_to_original_value.
11626 (record_equivalences_from_phis): No longer look for
11627 nonzero PHI arguments.
11628 (cprop_into_successor_phis): No longer propagate nonzero
11629 property into PHI arguments. Lose unused argument. Caller
11631 (record_equivalences_from_stmt): No longer record nonzero
11632 values for SSA_NAMEs.
11633 (lookup_avail_expr): No longer use nonzero_vars.
11635 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11636 for sizetype when sizetype is unsigned.
11638 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11640 PR rtl-optimization/25603
11641 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11642 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11643 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11644 with new meaning of SETS.
11646 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11651 * config/linux.opt: New file.
11652 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11653 LINUX_DYNAMIC_LINKER): Define.
11654 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11655 * config.gcc (*-*-linux*): Define extra_options.
11656 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11657 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11658 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11659 GLIBC_DYNAMIC_LINKER.
11660 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11661 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11662 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11664 * doc/invoke.texi (GNU/Linux Options): New section.
11666 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11668 * config/sparc/sparc.md (setjmp): Rewrite.
11669 (setjmp_32): Delete.
11670 (setjmp_64): Likewise.
11672 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11674 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11677 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11679 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11682 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11684 PR rtl-optimization/26296
11685 * Makefile.in (loop-invariant.c): Add except.h dependency.
11686 * loop-invariant.c: Include except.h.
11687 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11689 2005-02-16 Paul Brook <paul@codesourcery.com>
11691 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11694 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11696 PR rtl-optimization/25636
11697 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11698 when deciding whether an insn is an initializing insn.
11700 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11702 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11703 (tree_code_size): Ditto.
11704 * tree.h (struct tree_memory_tag): Remove parent_var.
11705 (struct tree_struct_field_tag): New.
11708 (union tree_node): Add sft member.
11709 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11711 (create_sft): Add size and offset argument, set SFT_OFFSET and
11713 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11714 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11715 * tree-flow-inline.h (get_subvar_at): Update for
11716 SFT_OFFSET/SFT_SIZE.
11717 (var_can_have_subvars): Ditto.
11718 (overlap_subvar): Ditto.
11719 * print-tree.c (print_node): Print out interesting things for
11721 * tree-flow.h (struct subvar): Remove offset and size members.
11722 * tree-ssa-operands.c (get_expr_operands): Update for
11723 get_indirect_ref_operands changes.
11724 (get_indirect_ref_operands): Call add_virtual_operand instead of
11725 add_stmt_operand. Only recurse on base var if requested.
11726 (access_can_touch_variable): New function.
11727 (add_stmt_operand): Split virtual operand handling into ...
11728 (add_virtual_operand): Here. Add offset, size, and for_clobber
11729 arguments. Prune alias sets.
11730 (add_call_clobber_ops): Call add_virtual_operand.
11732 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11734 PR middle-end/26300
11735 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11737 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11738 than TREE_CODE as index into omp_clause_num_ops array.
11740 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11742 PR rtl-optimization/26184
11743 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11745 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11746 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11747 must_precede, must_follow and tobe_scheduled.
11750 * opts.c (common_handle_option): Free new_option pointer.
11751 * df-core.c (df_analyze): Free postorder pointer.
11753 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11755 * Makefile.in: Fix the examples about the use of stamps
11757 2006-02-15 Michael Matz <matz@suse.de>
11759 PR middle-end/22275
11761 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11762 influenced by maximum_field_alignment or DECL_PACKED.
11763 (update_alignment_for_field): Ditto.
11764 (place_field): Ditto.
11765 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11768 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11770 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11771 (debug_flow_info): Pass it.
11772 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11773 * bb-reorder.c (reorder_basic_blocks): Likewise.
11774 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11775 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11776 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11777 * gcse.c (gcse_main, bypass_jumps): Likewise.
11778 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11779 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11780 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11781 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11782 * rtl.h (dump_flow_info): Adjust prototype.
11783 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11784 * var-tracking.c (variable_tracking_main): Likewise.
11785 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11786 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11789 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11791 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11794 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11796 PR tree-optimization/26209
11797 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11798 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11800 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11802 2006-02-14 Roger Sayle <roger@eyesopen.com>
11804 PR middle-end/23670
11805 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11806 (X,Y) and the corresponding symmetry related transformations.
11807 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11808 (X,Y) and its symmetry related transformations.
11810 2006-02-14 Roger Sayle <roger@eyesopen.com>
11812 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11815 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11817 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11819 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11822 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11823 support COMDAT group.
11824 * configure: Regenerate.
11826 2006-02-14 Roger Sayle <roger@eyesopen.com>
11828 PR middle-end/26279
11829 PR middle-end/26280
11830 PR middle-end/26283
11831 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11833 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11835 Fix PR tree-optimization/26260
11837 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11839 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11840 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11841 * tree-ssa-structalias.c (create_variable_info_for): Use
11842 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11844 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11846 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11848 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11849 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11850 of the ending condition.
11851 * tree-ssa-loop-manip.c: Include params.h.
11852 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11853 tree_unroll_loop): New functions.
11854 * tree-pass.h (pass_loop_prefetch): Declare.
11855 * loop.c (rest_of_handle_loop_optimize): Test for
11856 -fprefetch-loop-arrays-rtl.
11857 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11858 * timevar.def (TV_TREE_PREFETCH): New timevar.
11859 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11860 pass_loop_prefetch): New.
11861 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11862 (cleanup_tree_cfg_loop): Call scev_reset.
11863 * common.opt (fprefetch-loop-arrays-rtl): Add.
11864 * tree-ssa-loop-prefetch.c: New file.
11865 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11866 (new_temp_expr_table): Initialize expr_vars.
11867 (free_temp_expr_table): Cleanup expr_vars.
11868 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11869 expressions from being merged into one.
11870 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11871 (struct tree_niter_desc): Add control, bound and cmp fields.
11872 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11874 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11875 (tree-cfgcleanup.o): Add SCEV_H dependency.
11876 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11877 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11879 2006-02-14 Richard Guenther <rguenther@suse.de>
11881 PR tree-optimization/26258
11882 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11883 in PHI argument processing.
11885 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11887 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11888 new expression in the requested machine mode.
11890 2006-02-13 Roger Sayle <roger@eyesopen.com>
11892 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11893 directly, instead let do_compare_rtx_and_jump handle this for us.
11894 * expr.c (expand_expr_real_1): Likewise.
11895 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11896 before do_jump_by_parts_greater.
11897 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11898 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11900 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11902 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11904 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11906 PR rtl-optimization/26235
11907 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11908 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11911 2006-02-13 Jeff Law <law@redhat.com>
11913 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11916 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11918 PR middle-end/26092
11919 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11920 twice if decl is a builtin. When trying again, call get_callee_fndecl
11921 first to verify it is still a builtin.
11923 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11925 * dwarf2out.c (base_type_die): Don't add AT_name here.
11926 (subrange_type_die): Don't add AT_name here.
11927 (modified_type_die): Rearrange code flow. Do add AT_name here.
11929 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11931 PR rtl-optimization/26247
11932 PR rtl-optimization/26248
11933 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11935 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11937 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11938 * config/fixtfdi.c: Likewise.
11939 * config/fixunstfdi.c: Likewise.
11940 * config/floatditf.c: Likewise.
11942 2006-02-13 Roger Sayle <roger@eyesopen.com>
11944 PR middle-end/24427
11945 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11946 into (X,C2) if C1 is a subset of the bits of C2. Transform
11947 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11949 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11951 2006-02-13 Josh Conner <jconner@apple.com>
11954 * varasm.c (function_section): Check for section name before
11955 calling select_section on targets that define
11956 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11957 unlikely_text_section instead of hot_function_section if
11958 first_function_block_is_cold.
11960 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11962 PR middle-end/25335
11963 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11965 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11967 PR rtl-optimization/26222
11968 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11969 after tree->rtl expansion.
11970 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11971 before passing it to emit_move_insn.
11973 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11975 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11977 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11978 Clarify documentation.
11979 * c-common.h (warn_write_strings): Remove.
11980 * c-common.c (warn_write_strings): Likewise.
11981 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11984 2006-02-12 Roger Sayle <roger@eyesopen.com>
11986 PR middle-end/25724
11987 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11988 (do_jump_parts_zero_rtx): New function renamed from
11989 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11990 (do_jump_parts_equality_rtx): New function split out from
11991 do_jump_parts_equality. Old implementation renamed as above.
11992 Call do_jump_parts_zero_rtx if either operand is zero.
11993 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11994 do all of the heavy lifting.
11995 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11996 calling either do_jump_by_parts_greater_rtx or
11997 do_jump_by_parts_equality_rtx.
11998 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11999 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12000 moved to do_compare_rtx_and_jump, call it directly.
12001 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12002 mode argument. Call do_compare_rtx_and_jump.
12003 (emit_case_nodes): Update calls to do_jump_if_equal.
12005 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12007 PR rtl-optimization/26225
12008 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12010 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12012 PR rtl-optimization/26232
12013 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12015 2006-02-11 Jason Merrill <jason@redhat.com>
12018 * tree-inline.c (declare_return_variable): Just don't use the
12019 modify target if it's a gimple complex reg and the return slot
12022 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12024 * doc/contrib.texi: Update my entry.
12026 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12028 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12030 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12032 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12035 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12037 * doc/invoke.texi (-floop-optimize2): Removed.
12038 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12039 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12040 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12041 * common.opt (floop-optimize2): Removed.
12042 (fmove-loop-invariants): Enabled by default.
12044 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12046 * tree-if-conv.c (combine_blocks): Free the result of
12047 get_loop_exit_edges.
12049 2006-02-10 Jeff Law <law@redhat.com>
12051 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12053 PR tree-optimization/26213
12054 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12055 loop trying to follow SSA_NAME_VALUE chains.
12057 2006-02-10 Richard Guenther <rguenther@suse.de>
12059 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12060 deal with structures that end in implicitly variable sized arrays.
12062 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12064 PR rtl-optimization/24762
12065 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12068 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12070 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12071 (struct ivopts_data): Add regs_used field.
12072 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12073 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12074 instead of loop_data->regs_used;
12075 (free_loop_data): Do not free aux fields for loops.
12076 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12077 and tree_ssa_iv_optimize_finalize.
12079 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12081 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12083 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12086 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12087 computing the effective result type.
12089 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12091 PR inline-asm/16194
12092 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12093 (tree_overlaps_hard_reg_set): Declare.
12094 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12095 type and signature to match function type expected by walk_tree.
12096 (tree_overlaps_hard_reg_set): New function.
12097 (decl_conflicts_with_clobbers_p): Rename to:
12098 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12099 Use tree_overlaps_hard_reg_set. Changed caller.
12100 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12101 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12102 * cris.c (cris_md_asm_clobbers): Likewise.
12104 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12106 * reload1.c (emit_input_reload_insns): Delete code that tries to
12107 inherit using find_equiv_reg.
12109 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12111 * c-common.h (flag_const_strings): Don't declare.
12112 * c-common.c (flag_const_strings): Remove.
12113 * c.opt (fconst_strings): Remove.
12114 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12115 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12116 (c_common_init_options): Don't set flag_const_strings.
12117 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12119 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12121 * arm.md (tlobits_cbranch): New pattern.
12122 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12123 testing a single bit.
12125 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12128 * tree-ssa-pre.c (create_component_ref_by_pieces):
12129 Handle RETURN_DECL like VAR_DECL.
12131 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12133 PR middle-end/26134
12134 * fold-const.c (fold_indirect_ref_1): Fold
12135 "*(foo *)&complexfoo" to "__real__ complexfoo"
12136 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12138 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12140 * tree-flow-inline.h (var_can_have_subvars):
12141 Volatile variables should not have subvariables.
12143 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12146 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12147 multiplying unsigned values.
12150 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12152 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12154 2006-02-08 Jason Merrill <jason@redhat.com>
12157 * tree.def: Elaborate on difference from MODIFY_EXPR.
12158 * doc/c-tree.texi (INIT_EXPR): Likewise.
12159 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12160 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12161 (gimplify_target_expr): Likewise.
12162 (gimplify_cond_expr): Remove target handling.
12163 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12164 (gimplify_expr): Clobber it here.
12165 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12166 Do return slot optimization if we have an INIT_EXPR.
12169 * tree-inline.c (declare_return_variable): Also clear
12170 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12173 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12175 PR middle-end/22439
12176 * gimplify.c (gimplify_one_sizepos): Fix typo.
12178 2006-02-08 Jeff Law <law@redhat.com>
12180 PR tree-optimization/21417
12181 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12182 across a backedge if the control statement at the end of the
12183 block is data dependent on other statements in the same block.
12184 (record_temporary_equivalences_from_stmts): Remove over-conservative
12185 test for threading across backedges.
12187 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12188 control statement, handle all three special cases in the same
12189 manner as they all have the same desired solution. No longer
12190 special case edge flag updating when the post dominator is
12193 2006-02-08 Roger Sayle <roger@eyesopen.com>
12195 * tree.def (CHAR_TYPE): Remove.
12196 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12197 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12198 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12199 (gen_string_type_die): Delete unreachable function.
12201 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12202 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12203 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12204 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12205 * builtins.c (type_to_class): Likewise.
12206 * fold-const.c (fold_convert, build_range_check,
12207 merge_ranges): Likewise.
12208 * expr.c (count_type_elements): Likewise.
12209 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12210 * stor-layout.c (layout_type): Likewise.
12211 * ipa-type-escape.c (type_to_consider): Likewise.
12212 * gimplify.c (omp_firstprivatize_type_sizes,
12213 gimplify_type_sizes): Likewise.
12214 * explow.c (promote_mode): Likewise.
12215 * tree-sra.c (is_sra_scalar_type): Likewise.
12216 * varasm.c (output_constant): Likewise.
12217 * tree-inline.c (remap_type_1): Likewise.
12218 * convert.c (convert_to_pointer, convert_to_real,
12219 convert_to_integer, convert_to_complex): Likewise.
12221 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12223 * df-scan.c (df_def_record_1): A set destination may
12224 be a parallel regardless of mode.
12226 2006-02-08 Roger Sayle <roger@eyesopen.com>
12229 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12230 * config/mips/_tilib.c: Remove.
12231 * config/fixtfdi.c: New libgcc source file.
12232 * config/fixunstfdi.c: New source file.
12233 * config/floatditf.c: New source file.
12234 * config/floatunditf.c: New souce file.
12235 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12236 files above instead of config/mips/_tilib.c.
12237 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12239 2006-02-08 Jeff Law <law@redhat.com>
12241 PR tree-optimization/26169
12242 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12245 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12247 * df.h (DF_REG_SIZE): Return the length of the initialized
12250 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12252 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12253 __muldf3): Return a correctly signed zero.
12255 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12257 * passes.c (register_one_dump_file): Accept the current properties
12258 instead of pass number. Adjust call to dump_register. Remove
12260 (register_dump_files): Now a wrapper around...
12261 (register_dump_files_1): ... this one. Do not modify the pass
12263 (next_pass_1): Cosmetic fix.
12264 (execute_todo): Keep second parameter only. Use curr_properties
12265 instead of fetching it from the pass structure. Check and set
12267 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12268 instead of fetching it from the pass structure. Fix calls to
12269 execute_todo. Update curr_properties and initialize .vcg RTL dump
12270 after running the pass. Reset last_verified.
12271 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12273 (FIRST_AUTO_NUMBERED_DUMP): New.
12274 (dump_register): Remove "num" parameter, assign it within the
12276 (get_dump_file_name): Modify template for dumps.
12277 * tree-dump.h (dump_register): Adjust prototype.
12278 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12279 (PROP_trees): Add PROP_gimple_lomp.
12280 (TODO_set_props): New.
12281 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12282 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12283 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12285 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12287 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12288 (sparc64-*-linux*): Likewise.
12289 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12290 * config/sparc/t-linux: New file.
12291 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12292 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12293 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12294 -m32 -mlong-double-128.
12296 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12297 * config/alpha/t-linux: New file.
12298 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12300 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12301 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12302 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12303 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12304 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12305 (CPP_ARCH32_SPEC): Remove.
12307 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12309 PR tree-optimization/26145
12310 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12313 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12316 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12317 >= 240000 when generating code for SOM runtime.
12318 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12319 to $$dyncall when generating code for SOM runtime..
12321 2006-02-07 Dirk Mueller <dmueller@suse.com>
12324 * doc/invoke.texi (-Wsequence-point): Update documentation
12325 that -Wsequence-point is implemented for C++ as well.
12327 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12329 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12330 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12331 (LIB_SPEC): Likewise.
12332 * doc/invoke.texi (SPARC options): Document -pthread.
12334 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12336 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12339 2006-02-07 Roger Sayle <roger@eyesopen.com>
12341 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12342 Correct comment describing BOOLEAN_TYPE.
12344 2006-02-07 Dirk Mueller <dmueller@suse.com>
12346 * c.opt: C++ frontend supports -Wdiv-by-zero.
12347 * c-opts.c (c_common_handle_option): Remove dead case.
12349 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12351 * configure.ac (TLS assembler check): Do not enable TLS by
12352 default on SPARC/Solaris before version 10.
12353 * configure: Regenerate.
12355 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12357 * doc/invoke.texi (xl-compat): Document conversion and support
12360 2006-02-07 Jeff Law <law@redhat.com>
12362 * tree-vrp.c (find_conditional_asserts): Update comments.
12363 (simplify_stmt_for_jump_threading): New.
12364 (identify_jump_threads, finalize_jump_threads): New.
12365 (vrp_finalize): Call identify_jump_threads.
12366 (execute_vrp): Call finalize_jump_threads.
12367 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12368 (vrp_element, vrp_data, vrp_element_p): Remove.
12369 (vrp_hash_elt, vrp_variables_stack): Remove.
12370 (vrp_hash, vrp_eq, record_range): Remove.
12371 (simplify_cond_and_lookup_avail_expr): Remove.
12372 (extract_range_from_cond): Remove.
12373 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12374 (simplify_stmt_for_jump_threading): New.
12375 (dom_thread_across_edge): New wrapper.
12376 (tree_ssa_dominator_optimize): No longer initialize or
12377 finalize any of the VRP datastructures. Remove iteration
12378 step and simplify as a result of removal of iteration step.
12379 (pass_dominator): Perform a cfg cleanup after DOM.
12380 (dom_opt_finalize_block): Use the new common routines
12381 for threading jumps. Simplify stack management slightly.
12382 No longer need to unwind VRP state.
12383 (record_equivalences_from_incoming_edge): No longer record
12385 (eliminate_redundant_computations): No longer call
12386 simplify_cond_and_lookup_avail_expr.
12387 * tree-flow.h (potentially_threadable_block): Prototype.
12388 (thread_across_edge): Likewise.
12389 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12390 (tree-ssa-threadedge.o): Add dependencies.
12391 * tree-ssa-threadedge.c: New file.
12392 * passes.c (init_optimization_passes): Merge PHIs before
12393 calling VRP. Run VRP again late in the SSA optimization pipeline.
12395 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12397 * df-core.c (df_set_blocks): Do not dereference function pointers.
12398 (df_finish1): Likewise.
12399 (df_hybrid_search_forward): Likewise.
12400 (df_hybrid_search_backward): Likewise.
12401 (df_iterative_dataflow): Likewise.
12402 (df_analyze_problem): Likewise.
12403 (df_compact_blocks): Likewise.
12404 (df_dump): Likewise.
12405 * df-scan.c (df_rescan_blocks): Likewise.
12406 (df_record_entry_block_defs): Likewise.
12408 * genconditions.c (write_conditions): Guard the definition of
12409 'insn_conditions' with the check on GCC version.
12410 (write_writer): Guard the traversal 'insn_conditions' with
12411 the check on GCC version.
12413 2006-02-07 Richard Guenther <rguenther@suse.de>
12417 2006-01-30 Richard Guenther <rguenther@suse.de>
12419 * gimplify.c (gimplify_target_expr): Handle easy cases
12420 without creating a temporary.
12422 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12424 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12425 use of float in probability computations. Use edge probabilities
12426 in place of statically computed probabilities.
12427 (min_spec_prob): New static variable.
12428 (schedule_insns): Initialize it.
12429 (GET_SRC_PROB): Removed.
12430 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12432 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12435 * config/ia64/unwind-ia64.c: Revert last change.
12436 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12437 (INCOMING_FRAME_SP_OFFSET): Define.
12439 2006-02-06 Roger Sayle <roger@eyesopen.com>
12441 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12443 2006-02-07 Ben Elliston <bje@au.ibm.com>
12445 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12446 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12447 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12448 (ix86_return_in_memory): Handle TDmode.
12449 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12450 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12452 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12454 * reorg.c (dbr_schedule): Use dump_file instead of file.
12456 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12459 * config/ia64/predicates.md (extr_len_operand): New predicate.
12460 * config/ia64/ia64.md (extv): Tighten constraints.
12462 (*tbit_and_2): Ditto.
12463 (*tbit_and_3): Ditto.
12464 (*tbit_or_2): Ditto.
12465 (*tbit_or_3): Ditto.
12466 (*bit_zero): Ditto.
12469 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12472 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12474 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12476 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12477 loop_optimizer_init and loop_optimizer_finalize
12478 * tree-ssa-sink.c (execute_sink_code): Ditto.
12479 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12480 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12481 tree_ssa_loop_done): Ditto.
12482 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12483 * sched-ebb.c: Include output.h.
12484 (schedule_ebbs): Do not use dump argument.
12485 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12486 * loop.c (loop_dump_stream): Removed.
12487 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12489 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12490 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12491 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12492 loop_iterations, strength_reduce, record_biv, record_giv,
12493 final_giv_value, check_final_value, check_ext_dependent_givs,
12494 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12495 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12496 dump_file instead of loop_dump_stream.
12497 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12498 argument dump_file.
12499 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12501 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12502 * haifa-sched.c: Include output.h
12503 (schedule_insns, sched_init): Do not use dump argument.
12504 * mode-switching.c (optimize_mode_switching): Ditto.
12505 * modulo-sched.c (stats_file): Removed.
12506 (print_node_sched_params): Do not call argument dump_file.
12507 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12508 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12510 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12512 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12513 rtl_loop_init, rtl_loop_done): Ditto.
12514 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12515 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12517 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12518 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12519 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12520 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12521 * emit-rtl.c (renumber_insns): Ditto.
12522 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12523 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12524 * regclass.c (regclass): Ditto.
12525 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12526 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12527 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12528 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12530 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12531 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12533 * gcse.c (gcse_file, debug_stderr): Removed.
12534 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12535 rest_of_handle_gcse): Do not use dump argument.
12536 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12537 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12538 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12539 compute_code_hoist_vbeinout, compute_code_hoist_data,
12540 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12541 compute_store_table, build_store_vectors, insert_insn_start_bb,
12542 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12543 store_motion): Use dump_file instead of gcse_file.
12544 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12545 * profile.c (profile_dump_file): Removed.
12546 (branch_prob): Use dump_file instead of profile_dump_file.
12547 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12549 * tree-ssa-copy.c (dump_copy_of): Ditto.
12550 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12551 dump file to life_analysis.
12552 * bt-load.c (branch_target_load_optimize): Ditto.
12553 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12555 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12556 regclass, dbr_schedule): Declaration changed.
12557 * sched-int.h (sched_init): Declaration changed.
12558 * tree-profile.c (tree_profile_dump_file): Removed.
12559 (tree_profile_hooks): Removed profile_dump_file hook.
12560 * rtl-profile (rtl_profile_dump_file): Removed.
12561 (rtl_profile_hooks): emoved profile_dump_file hook.
12562 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12564 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12565 * tree-cfg.c (build_tree_cfg): Ditto.
12566 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12567 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12568 Declaration changed.
12569 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12570 life_analysis and schedule_insns.
12571 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12573 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12575 * config/mips/mips.c (mips_reorg): Ditto.
12576 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12579 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12581 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12582 (s390_mangle_fundamental_type): New.
12583 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12586 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12587 (alpha_mangle_fundamental_type): New.
12588 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12591 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12593 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12595 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12596 (sparc_mangle_fundamental_type): New.
12598 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12600 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12601 (s390x-*-linux*): Likewise.
12602 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12603 * config/s390/t-linux: New file.
12605 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12607 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12608 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12610 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12612 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12613 (ANTIC_SAFE_LOADS): New macro.
12614 (find_or_generate_expression): Add prototype.
12615 (set_contains_value): Allow null set for sake of not always having
12616 to allocate ANTIC_SAFE_LOADS.
12617 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12618 Allow COMPONENT_REF too.
12619 (valid_in_set): Allow COMPONENT_REF.
12620 Check ANTIC_SAFE_LOADS too.
12621 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12622 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12624 (can_PRE_operation): Add COMPONENT_REF.
12625 (create_component_ref_by_pieces): New function.
12626 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12627 (insert_aux): Move AGGREGATE_TYPE_P check here.
12628 (compute_avail): Set bb local stmt uids.
12629 (pass_pre): Use TODO_update_ssa_only_virtuals.
12631 2006-02-06 Ben Elliston <bje@au.ibm.com>
12633 * configure.ac: Unconditionally disable decimal float by default.
12634 * configure: Regenerate.
12636 2006-02-06 Ben Elliston <bje@au.ibm.com>
12638 * read-rtl.c (read_name): Terminate reading on EOF.
12640 2006-02-06 Ben Elliston <bje@au.ibm.com>
12642 * dfp.c (decimal_real_arithmetic): Change second argument type
12643 from int to enum tree_code. Do not always return true, but now
12644 return result of any call to decimal_do helper functions.
12645 * dfp.h (decimal_real_arithmetic): Update prototype.
12647 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12649 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12651 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12654 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12657 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12659 * tree-vrp.c (cfg_loops): Removed.
12660 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12661 Use current_loops instead of cfg_loops. Pass flags to
12662 loop_optimizer_init.
12663 * cfgloopmanip.c (fix_loop_structure): Update only available
12665 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12666 loop_optimizer_init.
12667 * modulo-sched.c (build_loops_structure): Removed.
12668 (sms_schedule): Use loop_optimizer_init.
12669 * loop-init.c (loop_optimizer_init): Use flags to determine
12670 which properties of loops to prepare.
12671 (rtl_loop_init): Pass flags to loop_optimizer_init.
12672 * tree-ssa-sink.c (execute_sink_code): Ditto.
12673 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12674 * tree-ssa-pre.c (init_pre): Ditto.
12675 * cfgloop.h (LOOPS_NORMAL): New.
12676 (loop_optimizer_init): Declaration changed.
12678 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12680 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12681 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12683 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12685 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12687 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12688 * pa/t-pa64: Delete quadlib.c rule.
12689 * pa/x-ada: Revert last change.
12690 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12692 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12694 PR rtl-optimization/26087
12695 * rtlanal.c (canonicalize_condition): Do not cross basic block
12698 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12701 * config/ia64/ia64.c: Include debug.h.
12702 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12703 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12704 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12705 (process_epilogue, process_set, process_for_unwind_directive):
12706 Output unwind info only if requested. Add CFA info if requested.
12707 Add new arguments as needed. Adjust callers.
12708 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12710 (DWARF2_FRAME_INFO): Define to zero.
12711 * config/ia64/unwind-ia64.c: Remove code that compensated for
12712 the CFA offset error fixed above.
12713 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12714 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12715 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12716 -funwind-tables and -fexceptions to enable frame info.
12717 (dwarf2out_frame_init): Define initial CFA even if
12718 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12719 DWARF2_UNWIND_INFO is nonzero, not just defined.
12720 (dwarf2out_frame_finish): Output non-EH call frame info only
12721 if DWARF2_FRAME_INFO is nonzero.
12722 (convert_cfa_to_loc_list,
12723 compute_frame_pointer_to_cfa_displacement): Define even if
12724 unwind info is not supported.
12725 (gen_subprogram_die): Use the above unconditionally. Remove
12726 legacy alternate code.
12727 * toplev.c (compile_file): Compile in call to
12728 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12729 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12731 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12732 Jakub Jelinek <jakub@redhat.com>
12734 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12735 IBM extended float format long double as "g" on powerpc*-linux.
12737 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12740 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12741 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12743 2006-02-03 Jason Merrill <jason@redhat.com>
12746 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12748 PR middle-end/25977
12749 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12750 on the return slot if it's an NRV.
12752 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12754 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12755 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12756 rewrite_use): Do not handle USE_OUTER.
12757 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12758 add_iv_outer_candidates, may_replace_final_value,
12759 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12760 (find_interesting_uses_op): Functionality of
12761 find_interesting_uses_outer_or_nonlin moved here.
12762 (find_interesting_uses_outside): Use find_interesting_uses_op.
12764 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12767 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12769 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12770 Ulrich Weigand <uweigand@de.ibm.com>
12773 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12774 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12775 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12776 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12778 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12779 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12780 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12781 Define secondary reloads for TFmode moves.
12782 (constant_modes): Add TFmode.
12783 (NR_C_MODES): Set to 8.
12784 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12786 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12787 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12788 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12789 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12790 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12791 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12792 (FPR mode macro): Add TFmode.
12793 (DSF mode macro): New.
12794 (<de>, <dee> mode attributes): Removed.
12795 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12796 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12797 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12798 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12799 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12800 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12801 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12802 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12803 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12804 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12805 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12806 "*negabs<mode>2", "sqrt<mode>2"):
12807 Changed <de> to <xde>. R constraint replaced by <Rf>.
12808 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12810 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12811 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12812 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12814 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12815 "extenddftf2", "extendsftf2"): New expanders.
12816 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12817 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12818 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12819 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12821 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12822 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12823 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12824 __floatditf): Add a GCC_4.1.0 symbol version tag.
12825 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12828 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12831 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12832 Use targetm.binds_local_p instead of TREE_PUBLIC.
12834 2006-02-02 Roger Sayle <roger@eyesopen.com>
12836 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12837 on INTEGER_TYPEs to indicate that it denotes a character type.
12838 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12839 signed_char_type_node, unsigned_char_type_node and char_type_node.
12840 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12841 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12842 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12844 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12845 Daniel Berlin <dberlin@dberlin.org>
12847 * tree-tailcall.c (arg_needs_copy_p): New function.
12848 (eliminate_tail_call): Use arg_needs_copy_p.
12849 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12850 (add_virtual_phis): New function.
12852 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12854 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12855 #ignore instead of #scratch for %g7 .register directive.
12857 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12859 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12862 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12864 * flow.c (calculate_global_regs_live): Assert that there aren't any
12867 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12869 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12870 what its name says.
12871 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12872 bsi_after_labels iterator.
12873 * tree-if-conv.c (find_phi_replacement_condition,
12874 replace_phi_with_cond_modify_expr): Likewise.
12875 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12876 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12878 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12880 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12882 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12885 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12886 array after growing it.
12888 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12890 PR middle-end/24901
12891 * fold-const.c (fold_checksum_tree): Change type of buf.
12893 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12895 * reload.c (push_secondary_reload): Initialize t_icode.
12897 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12899 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12900 -msoft-float -mlong-double-128 only issue a warning, but don't
12901 swich to DFmode long double.
12903 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12905 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12906 has a constant equivalent, iterate over equivalents for arg0,
12907 calling simplify_relational_operation and if there's a result
12908 cheaper than X, apply fold_rtx and return the result.
12910 2006-02-01 Jan Hubicka <jh@suse.cz>
12912 * opts.c (no_unit_at_a_time_default): New global variable.
12913 (decode_options): Use it.
12914 * opts.h (no_unit_at_a_time_default): Declare.
12916 2006-02-01 Paul Brook <paul@codesourcery.com>
12918 * function.c (assign_parm_setup_reg): Use function argument promotion
12920 * expr.c (expand_expr_real_1): Use function argument promotion rules
12923 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12925 * gcc.c (process_command): Change j to 'unsigned int'.
12927 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12929 PR middle-end/26001
12930 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12931 Use the corrected index for the character
12932 out of the string constant.
12934 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12936 * mode-switching.c (optimize_mode_switching): Fix size
12937 allocated for bb_info[n_entities].
12939 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12941 * gcc.c (main): Correct type that is allocated for
12942 explicit_link_files.
12944 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12946 * config/s390/s390.c (init_alignment_context): Set
12947 ALIAS_SET_MEMORY_BARRIER on the MEM.
12948 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12950 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12952 PR middle-end/25933
12953 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12955 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12958 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12960 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12961 * regrename.c: Ditto.
12962 * tree-ssa-loop-im.c: Ditto.
12963 * tree-dump.c: Ditto.
12964 * tree-complex.c: Ditto.
12965 * genrecog.c: Ditto.
12966 * tree-ssa-threadupdate.c: Ditto.
12968 * java/class.c: Ditto.
12969 * java/jcf-parse.c: Ditto.
12970 * java/resource.c: Ditto.
12971 * java/except.c: Ditto.
12972 * java/jvspec.c: Ditto.
12973 * java/jcf-write.c: Ditto.
12974 * java/jcf-path.c: Ditto.
12975 * java/gjavah.c: Ditto.
12976 * java/zextract.c: Ditto.
12977 * java/jcf-io.c: Ditto.
12978 * java/jcf.h: Ditto.
12979 * java/buffer.c: Ditto.
12980 * java/lang.c: Ditto.
12981 * java/parse-scan.y: Ditto.
12982 * java/lex.c: Ditto.
12983 * java/lex.h: Ditto.
12984 * cfgloopmanip.c: Ditto.
12985 * postreload-gcse.c: Ditto.
12986 * tree-ssa-loop-manip.c: Ditto.
12987 * postreload.c: Ditto.
12988 * tree-ssa-loop-ch.c: Ditto.
12991 * cppspec.c: Ditto.
12992 * diagnostic.c: Ditto.
12994 * genoutput.c: Ditto.
12996 * cfghooks.c: Ditto.
12997 * cfgloopanal.c: Ditto.
12998 * objc/objc-act.c: Ditto.
13000 * genextract.c: Ditto.
13001 * genautomata.c: Ditto.
13002 * pretty-print.c: Ditto.
13003 * genemit.c: Ditto.
13004 * cgraphunit.c: Ditto.
13006 * df-scan.c: Ditto.
13007 * haifa-sched.c: Ditto.
13008 * dominance.c: Ditto.
13010 * tree-ssa-loop-ivopts.c: Ditto.
13011 * df-core.c: Ditto.
13012 * mode-switching.c: Ditto.
13013 * modulo-sched.c: Ditto.
13015 * ipa-pure-const.c: Ditto.
13017 * fix-header.c: Ditto.
13019 * tree-stdarg.c: Ditto.
13020 * ipa-utils.c: Ditto.
13021 * loop-init.c: Ditto.
13022 * ipa-inline.c: Ditto.
13023 * cfganal.c: Ditto.
13025 * alloc-pool.c: Ditto.
13026 * dwarf2out.c: Ditto.
13028 * genattrtab.c: Ditto.
13029 * tree-ssa-loop-ivcanon.c: Ditto.
13030 * predict.c: Ditto.
13031 * timevar.c: Ditto.
13033 * fortran/gfortranspec.c: Ditto.
13034 * regmove.c: Ditto.
13035 * local-alloc.c: Ditto.
13036 * langhooks.c: Ditto.
13037 * function.c: Ditto.
13038 * tree-vectorizer.c: Ditto.
13040 * ipa-type-escape.c: Ditto.
13042 * tree-if-conv.c: Ditto.
13043 * profile.c: Ditto.
13045 * tree-data-ref.c: Ditto.
13046 * loop-unroll.c: Ditto.
13047 * treelang/treetree.c: Ditto.
13049 * bt-load.c: Ditto.
13050 * ggc-common.c: Ditto.
13052 * coverage.c: Ditto.
13054 * tree-cfgcleanup.c: Ditto.
13055 * tree-ssa-pre.c: Ditto.
13056 * cfgcleanup.c: Ditto.
13057 * loop-invariant.c: Ditto.
13058 * loop-iv.c: Ditto.
13059 * ipa-prop.c: Ditto.
13060 * print-tree.c: Ditto.
13061 * conflict.c: Ditto.
13062 * ggc-page.c: Ditto.
13063 * sched-deps.c: Ditto.
13064 * regclass.c: Ditto.
13065 * tree-object-size.c: Ditto.
13066 * combine.c: Ditto.
13067 * bb-reorder.c: Ditto.
13068 * resource.c: Ditto.
13069 * var-tracking.c: Ditto.
13070 * cfgloop.c: Ditto.
13071 * df-problems.c: Ditto.
13072 * reg-stack.c: Ditto.
13074 * gccspec.c: Ditto.
13075 * sched-rgn.c: Ditto.
13076 * tree-ssa-structalias.c: Ditto.
13077 * tree-ssa-reassoc.c: Ditto.
13078 * config/darwin-c.c: Ditto.
13079 * config/darwin.c: Ditto.
13080 * config/arm/arm.c: Ditto.
13082 * collect2.c: Ditto.
13083 * reload1.c: Ditto.
13085 2006-01-31 Nicolas Pitre <nico@cam.org>
13087 * arm.md (smaxsi3): Make aware of smax_m1.
13090 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13092 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13094 2006-01-31 Richard Guenther <rguenther@suse.de>
13096 * doc/invoke.texi (-msselibm): Document.
13097 * target.h (expand_library_builtin): New target hook.
13098 * builtins.c (expand_builtin): Use expand_library_builtin.
13099 (default_expand_library_builtin): New function.
13100 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13101 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13102 (link_gcc_math_spec): Declare.
13103 (static_specs): Add link_gcc_math_spec.
13104 * expr.h (default_expand_library_builtin): Declare.
13105 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13106 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13107 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13108 * config/i386/i386.opt (msselibm): New target option.
13109 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13110 (ix86_init_sse_abi_builtins): New function.
13111 (ix86_expand_library_builtin): Likewise.
13112 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13113 (override_options): Handle error conditions wrt -msselibm.
13114 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13115 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13116 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13119 2006-01-31 Richard Guenther <rguenther@suse.de>
13120 Paolo Bonzini <bonzini@gnu.org>
13122 * doc/install.texi (--disable-libgcc-math): Document.
13124 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13126 * expr.h (expand_normal): new inline function.
13127 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13128 * dojump.c: use it.
13129 * dwarf2out.c: use it.
13132 * expmed.c: use it.
13133 * except.c: use it.
13134 * config/sparc/sparc.c: use it.
13135 * config/i386/i386.c: use it.
13136 * config/rs6000/rs6000.c: use it.
13137 * config/arm/arm.c: use it.
13138 * config/mips/mips.c: use it.
13139 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13141 2006-01-30 Roger Sayle <roger@eyesopen.com>
13143 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13144 argv to the appropriate type.
13146 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13148 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13151 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13154 * config/s390/s390.c (struct machine_function): New flag
13155 decomposed_literal_pool_addresses_ok_p.
13156 (s390_reorg): Set it before final stage of literal pool transforms.
13157 (s390_decompose_address): Only accept displacements of the form
13158 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13160 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13162 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13163 the comparison routine return.
13165 2006-01-30 Michael Matz <matz@suse.de>
13167 * global.c (find_reg): Only evict for global regs.
13168 Take n_refs into account and dump more info.
13170 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13173 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13174 (pragma_trap, pragma_nosave_low_regs): Likewise.
13175 (current_function_anonymous_args): Likewise.
13176 (sh_deferred_function_attributes): New variable.
13177 (sh_deferred_function_attributes_tail): Likewise.
13178 (print_operand): For '@', look up trap_exit attribute.
13179 (calc_live_regs): Look up trapa_handler attribute. For trapa
13180 handlers, save/restore fpscr, but don't do any other
13181 interrupt-specific saves.
13182 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13183 Fix check for partially saved registers to check for SHmedia.
13184 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13185 (sh_output_function_epilogue): Don't clear any of the removed
13187 (sh_insert_attributes): Don't check pragma_interrupt.
13188 Insert deferred attributes. Check that interrupt attribute is
13189 present for other attributes that require its presence.
13190 (sh_attribute_table): Add new attributes trapa_handler and
13192 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13193 Don't check for pragma_interrupt. Don't store argument.
13194 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13195 (sh_deferred_function_attributes): Declare.
13196 (sh_deferred_function_attributes_tail): Likewise.
13197 * sh.md (sp_switch_1): Add operand. Change generator caller.
13198 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13199 (*return_i): Don't use when trap_exit attribute is in effect.
13200 (*return_trapa): New insn pattern.
13201 * sh-c.c: New file.
13202 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13203 setting c_target_objs and cxx_target_objs.
13204 * t-sh: Add rule for sh-c.o.
13206 2006-01-30 Richard Guenther <rguenther@suse.de>
13209 * gimplify.c (gimplify_target_expr): Handle easy cases
13210 without creating a temporary.
13212 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13214 * vec.h (safe_grow): Remove duplicated line.
13216 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13219 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13220 (expand_omp): ... here.
13221 (expand_omp_parallel): Only remove barriers for combined
13222 parallel+workshare constructs.
13224 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13228 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13229 * tree.c (build_qualified_type): Chain the new type to the original
13230 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13231 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13232 (build_pointer_type_for_mode): Only return unqualified types.
13233 (build_reference_type_for_mode): Likewise.
13235 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13237 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13238 * Makefile.in (CXX_COMPAT_WARN): Define.
13239 * configure: Regenerate.
13241 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13244 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13247 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13249 * toplev.c: Fix thinko.
13251 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13252 Marcin Dalecki <martin@dalecki.de>
13254 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13255 (push_srcloc): Use XNEW.
13256 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13258 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13260 * df-core.c (df_set_blocks): Deleted all variable.
13262 2006-01-28 Ian Lance Taylor <ian@airs.com>
13264 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13265 cgraph_output_pending_asms.
13267 2006-01-28 Zack Weinberg <zackw@panix.com>
13269 * c.opt: Add -W(no-)overlength-strings.
13270 * doc/invoke.texi: Document it.
13271 * c-opts.c (c_common_handle_option): -pedantic implies
13272 -Woverlength-strings, if not explicitly disabled already.
13273 (c_common_post_options): -Woverlength-strings defaults to off, and
13274 is always off for C++.
13275 * c-common.c (fix_string_type): Issue warning about strings longer
13276 than is portable only if warn_overlength_strings. Rearrange code
13277 a little for clarity.
13278 * configure.in: Check for -Wno-overlength-strings as well before
13279 enabling -pedantic in stage 1.
13280 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13281 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13283 * genconditions.c (write_header, write_one_condition)
13284 (write_conditions, write_writer): Consolidate very long strings
13285 that were broken up to fit in C89 portable limit. Don't use
13286 printf when fputs will do.
13288 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13290 * combine.c (simplify_comparison <AND>): Check
13291 TRULY_NOOP_TRUNCATION before start using a subreg.
13293 * config/mips/mips.md (*branch_zero<mode>,
13294 *branch_zero<mode>_inverted, *branch_equality<mode>,
13295 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13296 Remove mode check from comparisons.
13298 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13300 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13302 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13304 * expmed.c (const_mult_add_overflow_p): Remove.
13305 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13307 * recog.c (validate_replace_rtx_subexp): Remove.
13308 * recog.h: Remove the prototype for
13309 validate_replace_rtx_subexp.
13311 * integrate.h: Remove the prototype for
13312 copy_decl_for_inlining.
13313 * rtl.h: Remove the prototype for mark_constant_function.
13314 * tree-vectorizer.h: Remove the prototype for
13315 vect_strip_conversion.
13317 * modulo-sched.c (create_partial_schedule,
13318 free_partial_schedule, reset_partial_schedule): Make them
13321 * hooks.c (hook_bool_rtx_int_false): Remove.
13322 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13324 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13326 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13327 and -mlong-double-128 are incompatible.
13328 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13329 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13330 (TARGET_LIBGCC2_CFLAGS): Define.
13331 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13332 (TARGET_LIBGCC2_CFLAGS): Same.
13333 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13335 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13338 * c-typeck.c (build_binary_op): Perform implicit casts of
13339 operands before shortening them.
13341 * cfgloopmanip.c (split_loop_bb): Remove.
13342 * cfgloop.h: Remove the prototype for split_loop_bb.
13344 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13345 * cfgloop.h: Remove the prototype for
13346 flow_loop_outside_edge_p.
13348 * emit-rtl.c (init_virtual_regs): Make it static.
13349 * function.h: Remove the prototype for init_virtual_regs.
13351 * recog.c (peephole2_optimize): Make it static.
13352 * recog.h: Remove the prototype for peephole2_optimize.
13354 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13356 * df-scan.c (df_record_entry_block_defs): Check if
13357 INCOMING_RETURN_ADDR_RTX is defined.
13359 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13360 Kenneth Zadeck <zadeck@naturalbridge.com>
13362 PR rtl-optimization/24762
13363 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13364 * targhooks.c (hook_void_bitmap): New hook prototype.
13365 * targhoohs.h (hook_void_bitmap): Ditto.
13366 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13367 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13368 * target.h (live_on_entry): New function pointer.
13369 * df-scan.c (df_all_hard_regs): Removed.
13370 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13371 (df_scan_free_internal): Added df->entry_block_defs.
13372 (df_scan_alloc): Ditto.
13373 (df_scan_dump): Ditto.
13374 (df_uses_record): Plumbed flag field properly thru calls.
13375 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13376 This part fixes PR24762.
13377 (df_bb_refs_record): Added code to make the frame and arg
13378 pointers live in EH blocks.
13379 (df_refs_record): Added call to df_record_entry_block_defs.
13380 (df_record_entry_block_defs): New function.
13381 * df-core.c: Added comments to describe new artifical defs.
13382 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13383 (entry_block_defs): New field in struct df.
13384 (df_all_hard_regs): Deleted.
13385 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13386 * df-problems.c (df_ru_bb_local_compute_process_def):
13387 Added code to handle artifical defs in the entry to a function.
13388 (df_ru_bb_local_compute): Ditto.
13389 (df_rd_bb_local_compute_process_def): Ditto.
13390 (df_rd_bb_local_compute): Ditto.
13391 (df_lr_bb_local_compute): Ditto.
13392 (df_ur_bb_local_compute): Ditto.
13393 (df_urec_bb_local_compute): Ditto.
13394 (df_chain_create_bb): Ditto.
13395 (df_ur_local_finalize): Removed entry.
13396 (df_urec_init): Ditto.
13397 (df_urec_local_finalize): Ditto.
13398 (df_ri_bb_compute): Added detection of last use of pseudos.
13399 * Makefile.in (df-scan.o): Updated dependencies.
13400 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13401 * config/mips/mips.c (mips_set_live_on_entry): Added.
13402 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13404 * dce.c (marked_insn_p): Added code to handle artifical defs.
13406 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13408 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13410 (_mm_cvtsi128_si64): Likewise.
13411 (_mm_cvtsd_si64): Likewise.
13412 (_mm_cvttsd_si64): Likewise.
13413 (_mm_cvtsi64_sd): Likewise.
13414 (_mm_cvtsi64_si128): Likewise.
13415 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13416 (_mm_cvtsi64_m64): Likewise.
13417 (_m_to_int64): Likewise.
13418 (_mm_cvtm64_si64): Likewise.
13419 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13420 (_mm_cvttss_si64): Likewise.
13421 (_mm_cvtsi64_ss): Likewise.
13422 (_mm_cvtss_f32): Likewise.
13424 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13426 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13427 for pragma redefine_extname.
13429 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13432 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13433 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13434 -mno-minimal-toc to previous content.
13435 (bispecs): Remove goal.
13436 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13437 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13438 compatibility aliases on powerpc-*-*gnu*.
13439 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13440 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13441 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13442 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13443 (ldblspecs): New goal.
13444 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13445 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13447 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13448 L_sf_to_tf or L_df_to_tf is defined.
13450 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13451 Alan Modra <amodra@bigpond.net.au>
13454 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13455 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13456 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13457 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13458 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13459 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13460 (rs6000_override_options): Initialize rs6000_ieeequad.
13461 Initialize TFmode format to ibm_extended_format if not
13463 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13465 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13466 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13467 (function_arg_advance): IBM long double passed in two FPRs, not
13469 (function_arg): IBM long double passed in FPRs.
13470 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13471 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13472 Only multireg GPR aligned.
13473 (rs6000_init_libfuncs): Enable IBM long double functions if not
13475 (rs6000_generate_compare): Use IBM long double compare if not
13477 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13478 (TARGET_IEEEQUAD): Define.
13479 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13480 not TARGET_IEEEQUAD.
13481 * config/rs6000/rs6000.md: Enable TFmode patterns if
13483 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13484 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13485 and -mlong-double-128 are incompatible.
13486 * doc/invoke.texi (-mabi): Collect options together. Add
13487 ibmlongdouble and ieeelongdouble.
13489 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13491 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13493 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13494 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13495 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13496 * rtl.h (rtunion_def): Remove rt_ptr.
13498 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13499 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13500 * config/i386/winnt.c (i386_pe_mark_dllexport)
13501 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13503 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13505 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13507 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13511 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13512 pthread_key_delete. From John David Anglin. gthrw-ify
13513 pthread_getunique_np only if it it's not a macro. Delete
13515 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13516 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13517 __gthread_objc_condition_signal, __gthread_key_delete): Add
13518 "__attribute__ ((__unused__))" to unused arguments.
13519 (__gthread_recursive_mutex_init_function): Add missing return.
13520 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13521 gthr-posix95.h: Use macro-based approach for name redirection
13522 on targets missing weakref.
13524 2006-01-26 Zack Weinberg <zackw@panix.com>
13526 * genconditions.c (write_header): In generated code, #ifdef out
13527 all includes and fake declarations, except includes of bconfig.h
13528 and system.h, unless GCC_VERSION >= 3001. Do not include
13529 gensupport.h in any case.
13530 (write_conditions): Generate a definition of struct c_test. Add
13531 a comment to the generated #endif.
13532 (write_one_condition): Escape backslashes in string too.
13533 (write_writer): Generated code must escape backslashes and quote
13534 marks (but not newlines) in the strings it writes.
13535 * Makefile.in (build/gencondmd.o): Update dependencies.
13537 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13540 * Makefile.in (insn-automata.o): Add header file dependencies.
13541 * genautomata.c: Add includes.
13543 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13546 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13548 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13550 * configure.ac: Expect target tools paths to be passed from the toplevel
13551 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13553 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13555 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13558 * c.opt (Wpointer-sign): Init to -1.
13559 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13560 OPT_pedantic, to 0 otherwise.
13561 * doc/invoke.texi: Update.
13563 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13565 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13566 constants provided by 80387 instructions in the destination mode.
13568 2006-01-26 Richard Guenther <rguenther@suse.de>
13569 Andrew Pinski <pinskia@physics.uc.edu>
13572 partial PR tree-opt/17064
13573 * tree-ssa-structalias.c (intra_create_variable_infos):
13574 Create heap variables for incoming parameters if
13575 flag_argument_noalias > 1.
13576 (find_what_p_points_to): Look through default defs of
13579 2006-01-26 Jeff Law <law@redhat.com>
13582 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13583 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13584 within the VR_RANGE, use the VR_RANGE as the result, not the
13586 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13587 bounds for the type.
13589 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13591 * tree-ssa-alias.c (maybe_create_global_var): Change
13592 subvar walking to an assertion that we don't have subvar'd variables.
13594 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13597 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13598 Use a new variable, inner. PARM_DECLs are always non-weak.
13600 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13602 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13603 --disable-checking.
13605 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13607 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13609 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13611 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13612 (smax_insn, smin_insn, smax_0, smin_0): New.
13614 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13617 * config/cris/cris.c (cris_order_for_addsi3): New function.
13618 * config/cris/cris-protos.h: Prototype it.
13619 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13620 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13621 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13622 (split for "op.S1 [rx=rx+i],ry (swapped)")
13623 (split for "op(s|u).S1 [rx=rx+i],ry")
13624 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13625 Apply cris_order_for_addsi3 when generating addsi3 insns.
13627 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13629 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13630 (TREE_BLOCK): Add call to EXPR_CHECK.
13632 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13635 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13636 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13637 (dump_omp_clauses): ... here.
13638 (dump_generic_node): Handle OMP_CLAUSE.
13639 * tree.c (omp_clause_num_ops): New.
13640 (omp_clause_code_name): New.
13641 (tree_code_size): Handle OMP_CLAUSE.
13642 (tree_size): Likewise.
13643 (make_node): Document handling of OMP_CLAUSE.
13644 (tree_node_structure): Handle OMP_CLAUSE.
13645 (omp_clause_check_failed): New.
13646 (omp_clause_range_check_failed): New.
13647 (omp_clause_operand_check_failed): New.
13648 (build_omp_clause): New.
13649 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13650 * tree.h (enum omp_clause_code): Declare.
13651 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13652 (OMP_CLAUSE_RANGE_CHECK): Define.
13653 (OMP_CLAUSE_ELT_CHECK): Define.
13654 (omp_clause_check_failed): Declare.
13655 (omp_clause_operand_check_failed): Declare.
13656 (omp_clause_range_check_failed): Declare.
13657 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13658 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13659 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13660 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13661 (OMP_CLAUSE_IF_EXPR): Likewise.
13662 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13663 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13664 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13665 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13666 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13667 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13668 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13669 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13670 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13671 (OMP_CLAUSE_CODE): Define.
13672 (OMP_CLAUSE_SET_CODE): Define.
13673 (OMP_CLAUSE_CODE): Define.
13674 (OMP_CLAUSE_OPERAND): Define.
13675 (struct tree_omp_clause): Declare.
13676 (union tree_node): Add field 'omp_clause'.
13677 * treestruct.def (TS_OMP_CLAUSE): Define.
13678 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13679 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13680 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13681 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13682 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13683 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13684 (OMP_CLAUSE): Define.
13685 * print-tree.c (print_node): Handle OMP_CLAUSE.
13686 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13687 * c-typeck.c: Likewise.
13688 * gimplify.c: Likewise.
13689 * c-omp.c: Likewise.
13690 * tree-nested.c: Likewise.
13691 * tree-inline.c: Likewise.
13692 * c-parser.c: Likewise.
13693 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13696 2006-01-25 Roger Sayle <roger@eyesopen.com>
13698 PR rtl-optimization/25703
13699 * combine.c (try_combine): Handle zero_extract and strict_low_part
13700 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13702 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13704 * global.c: Fix comment typos.
13706 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13709 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13710 Use output_addr_const instead of assemble_name.
13712 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13714 * Makefile.in (sched-vis.o): Update dependencies.
13715 * haifa-sched.c (sched_finish): Clear current_sched_info.
13716 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13717 (dump_flow_info): Call it.
13718 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13720 * basic-block.h (dump_bb_info): Declare.
13721 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13722 option, and apply options only for dump files whose TDF_RTL,
13723 TDF_TREE, or TDF_IPA bits match.
13724 * rtl.h: Declare new functions exported from sched-vis.c.
13725 * sched-vis.c: Enable also if scheduling is not used.
13726 (print_value): Print the mode of registers if not inside scheduling.
13727 (print_insn): Make it work outside the scheduler. Beautify the output
13729 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13731 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13733 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13734 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13735 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13736 depending on the value of CONSTANT_POOL_ADDRESS_P.
13737 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13739 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13740 rather than SYMBOL_REF_DECL.
13741 (rtx_constant_pool): Remove const_rtx_sym_htab.
13742 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13743 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13744 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13745 Remove handling of const_rtx_sym_htab.
13746 (find_pool_constant): Delete.
13747 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13748 rather than find_pool_constant.
13749 (get_pool_constant_for_function): Delete.
13750 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13751 find_pool_constant.
13752 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13753 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13754 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13755 (SYMBOL_REF_CONSTANT): New macro.
13756 (get_pool_constant_for_function): Delete.
13757 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13758 rather than SYMBOL_REF_DECL.
13759 (i386_pe_mark_dllimport): Likewise.
13760 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13761 rather than SYMBOL_REF_DECL.
13762 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13763 (machopic_indirect_call_target): Likewise.
13765 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13767 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13769 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13771 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13773 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13775 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13777 2006-01-24 David Daney <ddaney@avtrex.com>
13780 * configure.ac (enable_tls): New enable option.
13781 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13782 * configure: Regenerate.
13783 * doc/install.texi (--enable-tls): Document new option.
13784 (--disable-tls): Ditto.
13786 2006-01-24 Richard Henderson <rth@redehat.com>
13788 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13789 * alias.c (true_dependence): Respect it.
13790 (canon_true_dependence, write_dependence_p): Likewise.
13791 * builtins.c (get_builtin_sync_mem): Set it.
13793 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13795 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13798 2006-01-24 DJ Delorie <dj@redhat.com>
13800 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13801 for storing constants in single-bit bitfields.
13803 2006-01-25 Ben Elliston <bje@au.ibm.com>
13805 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13807 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13810 * tree-ssa-pre.c (phi_translate): Return NULL
13811 for AGGREGATE_TYPE's.
13813 2006-01-24 Zack Weinberg <zackw@panix.com>
13815 * genautomata.c (process_state_for_insn_equiv_partition):
13816 Use xcalloc for insn_arcs_array.
13817 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13818 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13820 2006-01-24 Richard Henderson <rth@redhat.com>
13822 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13823 update all callers.
13825 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13827 PR rtl-optimization/25890
13828 PR rtl-optimization/25905
13829 * combine.c (expand_compound_operation, expand_field_assignment):
13830 Fail if the bitfield's final position is out of bounds.
13832 2006-01-24 Ian Lance Taylor <ian@airs.com>
13834 PR middle-end/25930
13835 * cgraphunit.c (cgraph_output_in_order): Don't clear
13836 cgraph_asm_nodes until after asm strings have been output.
13838 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13840 * fix-header.c (read_scan_file): Add new parameter imultilib when
13841 calling register_include_chains.
13843 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13845 * omp-low.c: Update documentation.
13847 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13848 Daniel Berlin <dberlin@dberlin.org>
13852 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13853 return from the function.
13855 2006-01-22 Zack Weinberg <zackw@panix.com>
13857 * rtl.def (match_code): Add second argument.
13858 * genpreds.c (write_extract_subexp): New function.
13859 (write_match_code): Add path argument. Use write_extract_subexp.
13860 (write_predicate_expr): Pass path to write_match_code.
13861 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13862 not perform a mode test.
13863 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13864 a subexpression does not constrain the top-level code set.
13865 * read-rtl.c (read_rtx_variadic): New function.
13866 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13867 * doc/md.texi: Document new notation.
13868 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13869 (cmpsi_operand): ... here, using new notation.
13871 2006-01-22 Zack Weinberg <zackw@panix.com>
13873 * varray.c: Remove GENERATOR_FILE #ifdefs.
13875 2006-01-22 Zack Weinberg <zackw@panix.com>
13877 * genautomata.c (output_reserved_units_table): Emit nothing if
13878 description->query_units_num is zero. Remove extra blank line.
13879 (output_cpu_unit_reservation_p): Short circuit
13880 if description->query_units_num is zero.
13882 2006-01-22 Zack Weinberg <zackw@panix.com>
13884 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13885 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13886 nor any of the random handful of variables that used to be necessary
13887 when this program was linked with rtlanal.o. Prune set of forward
13888 function declarations.
13889 (struct attr_desc): Remove static_p field.
13890 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13891 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13892 (attr_string): Do not read the character one past the length of
13894 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13895 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13896 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13897 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13898 (make_automaton_attrs): New.
13899 (main): Do not call into genautomata. Call local gen_bypass
13900 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13901 Remove special case for insn_alts.
13902 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13903 varray.h (leftover from previous change). Prune set of forward
13904 function declarations. Remove state_alts fields from all
13905 structures. Remove state_alts_table from struct automaton.
13906 Make everything except main static. Do not maintain num_dfa_decls.
13907 Do not maintain state_alts fields of various structures.
13908 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13909 (add_arc): Remove state_alts argument. All callers updated.
13910 (output_reserved_units_table): Emit #ifdef here...
13911 (output_tables): ...not here. Don't generate state_alts tables.
13912 (expand_automata): Don't generate attributes.
13913 (write_automata): Don't generate state_alts functions.
13914 (main): New function.
13915 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13916 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13917 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13918 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13919 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13920 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13921 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13922 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13924 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13925 * genattrtab.h: Delete file.
13926 * Makefile.in (OBJS-common): Add insn-automata.o.
13927 (insn-automata.o): New rule.
13928 (simple_generated_c): Add insn-automata.c.
13929 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13930 (genprogmd): Add automata.
13931 (build/genattrtab): Needs no extra objects nor libraries.
13932 (build/genautomata): Needs build/vec.o and -lm.
13934 2006-01-22 Zack Weinberg <zackw@panix.com>
13936 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13937 (output_dfa_max_issue_rate, locked_states_num): Delete.
13938 (struct automaton): Add locked_states field.
13939 (output_dead_lock_vect): Save number of locked states in
13940 automaton->locked_states. If it is zero, don't print anything.
13941 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13942 (output_internal_dead_lock_func): Only test the dead_lock_vect
13943 for automata that have locked states.
13944 (output_statistics): Always print the number of locked states for
13945 each automaton. Calculate total number of locked states here.
13946 (write_automata): Don't call output_dfa_max_issue_rate.
13947 * genattrtab.c: Define length_unit_log as a const variable.
13948 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13949 max_insn_queue_index const.
13950 * final.c (length_unit_log): Declare const.
13951 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13953 2006-01-22 Zack Weinberg <zackw@panix.com>
13955 * genautomata.c: Include vec.h, not varray.h.
13956 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13957 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13958 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13959 VEC_* macros operating on appropriately typed vectors, or to
13960 malloced arrays when the size is known in advance. Const-ify
13961 many char* variables and function arguments. No functional changes.
13962 * Makefile.in (build/varray.o): Delete rule.
13963 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13964 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13966 2006-01-22 Zack Weinberg <zackw@panix.com>
13968 * gensupport.c: Define get_insn_name and record_insn_name here.
13969 (read_md_rtx): Call record_insn_name as appropriate.
13970 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13971 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13972 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13974 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13975 (BUILD_VARRAY): Delete.
13976 (genprognormal): Rename genprogmd. Fold in all programs from
13977 genprognoprint; also attrtab.
13978 (build/genattrtab): Just mention genautomata.o and varray.o.
13979 Reorganize a bit, add comments to make the categories clearer.
13981 2006-01-22 Zack Weinberg <zackw@panix.com>
13983 * genconditions.c (condition_table, add_condition): Delete.
13984 (write_conditions): Don't emit n_insn_conditions nor
13985 insn_elision_unavailable. Issue the gcc version #ifdef here,
13986 inside the table, with no #else clause ...
13987 (write_header): ...not here.
13988 (write_writer): New function.
13989 (main): Don't initialize condition_table. Use add_c_test.
13991 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13992 files on the command line.
13993 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13994 Return -1 if there is no entry in the table, don't abort.
13995 (add_c_test, traverse_c_tests): New functions.
13996 * gensupport.h (insn_elision_unavailable, insn_conditions)
13997 (n_insn_conditions): Delete declarations.
13998 (add_c_test, traverse_c_tests): Declare.
13999 * read-rtl.c: Include gensupport.h.
14000 (read_conditions): New function.
14001 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14002 (read_rtx_1): If we get EOF when we were looking for an initial
14003 open paren, return 0. Call read_conditions when appropriate.
14004 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14005 dummy-conditions.o. Eliminate references to insn-conditions.o,
14006 or change them to build/gencondmd.o, as appropriate. Remove
14007 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14008 from $(simple_generated_c). For all files remaining in those
14009 two lists, add insn-conditions.md to the generator command line.
14010 Give insn-constants.h/s-constants their own rules. Add rules
14011 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14012 (build/read-rtl.o): Depend on gensupport.h.
14013 (genprognormal): Include preds.
14014 (genprogearly): Rename genprognoprint; only difference is now that
14015 they don't link with $(BUILD_PRINT).
14016 * dummy-conditions.c: Delete.
14018 2006-01-22 Zack Weinberg <zackw@panix.com>
14020 * genextract.c: Don't include insn-config.h. Do include vec.h.
14021 Declare vectors of int, char, and locstr.
14022 (locstr): New typedef.
14023 (struct extraction): Make all array fields into bare pointers.
14024 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14025 (insn_code_number): Delete.
14026 (accum_extract): New struct.
14027 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14028 (gen_insn): Take insn_code_number as an argument. Use an
14029 accum_extract structure instead of loading data directly into
14030 a struct extraction, and having to know how big it might get.
14031 (walk_rtx): Operate entirely on an accum_extract structure.
14032 (print_path): Avoid unnecessary use of printf.
14033 (print_header): New function, split out of main. Distinguish
14034 more carefully between an unrecognizable insn and an insn that
14035 has the code number of a define_expand.
14036 (main): Pass insn_code_number to gen_insn. Call print_header
14037 only after parsing. Avoid unnecessary use of printf.
14038 * Makefile.in (build/vec.o): New rule.
14039 (build/genextract): Depend on build/vec.o.
14040 (build/genextract.o): Don't depend on insn-config.h.
14042 2006-01-22 Zack Weinberg <zackw@panix.com>
14044 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14045 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14046 practical. Eliminate per-generator-program link rules.
14048 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14050 PR middle-end/24437
14051 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14052 with a call expr to ...
14053 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14055 2006-01-23 Richard Guenther <rguenther@suse.de>
14057 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14058 before make_edge with conditional EDGE_TRUE_VALUE.
14060 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14061 Jan Hubicka <jh@suse.cz>
14062 Richard Guenther <rguenther@suse.de>
14064 PR rtl-optimization/25654
14065 * cfgexpand.c (aggregate_contains_union_type): New function.
14066 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14067 for structure variables that contain a union type.
14069 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14071 * gengtype.c (new_structure): Return the structure.
14072 (create_option): Add an extra "next" argument.
14073 (create_field): New function.
14074 (adjust_field_rtx_def): Use create_option and create_field.
14075 Remove a now-unnecessary call to find_structure.
14076 (adjust_field_tree_def): Likewise.
14077 (note_yacc_type): Remove an unnecessary call to find_structure.
14078 * gengtype.h (new_structure): Return the structure.
14079 (create_option): Add an extra argument.
14080 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14081 (option): Adjust calls to create_option.
14083 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14085 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14087 2006-01-22 Paul Brook <paul@codesourcery.com>
14088 Peter Barada <peter@the-baradas.com>
14090 * config/m68k/m68k.md: Add Coldfire FPU support.
14091 Define FP mode macro and associated attributes.
14092 Use it for float mode patterns.
14093 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14094 (LIBCALL_VALUE): Use m68k_libcall_value.
14095 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14096 (m68k_function_value): Ditto.
14097 (emit_move_sequence): Ditto.
14098 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14099 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14100 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14101 (MULTILIB_EXCEPTIONS): Ditto.
14102 * config/m68k/m68k.opt: Add mcfv4e.
14103 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14104 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14105 (m68k_output_function_prologue): Save ColdFire FPU registers.
14106 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14107 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14108 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14109 ColdFire FPU registers.
14110 (m68k_libcall_value, m68k_function_value): New functions.
14111 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14112 (LIBCALL_VALUE): Use m68k_libcall_value.
14113 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14114 (MASK_COLDFIRE): Add MASK_CFV4E.
14115 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14116 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14117 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14118 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14119 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14120 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14121 * doc/invoke.tex: Document -mcfv4e on m68k.
14123 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14125 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14128 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14131 * c-opts.c (c_common_handle_option): Don't include
14132 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14133 * doc/invoke.texi (C++ Dialect Options): Document that
14134 -Wnon-virtual-dtor is no longer included in -Wall.
14136 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14138 * gcov.c (print_version), gcov-dump.c (print_version),
14139 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14142 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14144 * df-scan.c (problem_SCAN): Added NULL reset function.
14145 (df_scan_reset_blocks): Added code to call reset block function
14146 (df_bb_refs_delete) Fixed comment.
14147 (df_insn_refs_delete): Made tolerant of deleting non existent info
14148 for dataflow problems that need to be reset.
14149 * df-core.c (df_set_blocks): Ditto.
14150 * df.h (struct df_problem): Added reset_fun.
14151 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14152 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14153 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14154 functions to clear out all references to def-use or use-def chains.
14156 2006-01-21 Ben Elliston <bje@au.ibm.com>
14158 * varasm.c (assemble_real): Initialise data array.
14160 2006-01-20 Paul Brook <paul@codesourcery.com>
14162 Merge from csl-arm-branch.
14163 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14164 * config/arm/arm.md (movdi): Force operands[1] to a register
14165 if we have a non-register source.
14166 (*arm_movdi, *movdf_soft_insn): Require that one of the
14167 operands be a register.
14168 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14169 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14171 2006-01-20 DJ Delorie <dj@redhat.com>
14173 * varasm.c (initializer_constant_valid_p): Allow pointers
14174 initialized from integer constants of lesser precision.
14175 (output_constant): Allow non-int-sized pointer modes to be
14176 initialized from integer constants.
14178 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14181 * cppdefault.h (struct default_include): Add multilib flag.
14182 * cppdefault.c (cpp_include_defaults): Set it.
14183 * c.opt (-imultilib): New option.
14184 * c-opts.c (imultilib): New.
14185 (c_common_handle_option): Handle -imultilib.
14186 (c_common_post_options): Likewise.
14187 * c-incpath.c (add_standard_paths, register_include_chains):
14189 * c-incpath.h (register_include_chains): Add extra parameter.
14190 * gcc.c (do_spec_1): Generate -imultilib option.
14191 (The Specs Language): Update %I description.
14192 (process_command): Update copyright notice.
14193 * doc/cppopts.texi (-imultilib): Document.
14194 * doc/invoke.texi (-imultilib): Include in option summary.
14195 (%I): Update specs documentation.
14197 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14199 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14201 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14203 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14206 2006-01-20 Richard Guenther <rguenther@suse.de>
14207 Steven Bosscher <stevenb.gcc@gmail.com>
14209 PR rtl-optimization/24626
14210 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14211 EDGE_TRUE_VALUE if in RTL mode.
14214 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14215 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14217 2006-01-20 Dirk Mueller <dmueller@suse.com>
14220 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14221 instead of a special NOP marker.
14222 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14223 NOP marker handling.
14224 * c-common.h (empty_body_warning): Add forward declaration.
14225 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14226 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14228 2006-01-20 Paul Brook <paul@codesourcery.com>
14230 * Makefile.in (lang_checks): Keep going if mkdir fails.
14232 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14234 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14235 be able to clean out basic block when not necessary.
14236 (df_scan_free): Fixed to properly delete information if df is
14237 unused before calling df_finish.
14238 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14239 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14241 (df_bb_refs_delete): New function.
14242 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14243 * df-core.c (df_set_blocks): Added code to properly clean out
14244 unused blocks if they are not part of the blocks to consider.
14245 Added additional null check.
14246 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14247 be able to clean out basic block when not necessary
14248 * df.h (df_free_bb_function): Ditto.
14249 (df_bb_refs_delete): New function.
14250 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14251 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14252 basic block parameter to be able to clean out basic block when not
14254 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14255 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14256 Fixed to properly delete information if df is unused before
14259 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14261 PR rtl-optimization/25799
14262 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14263 Corrected confluence operator to remove bits from op2 before oring
14264 with op1 rather than removing bits from op1.
14265 (df_ru_transfer_function): Corrected test on wrong bitmap which
14266 caused infinite loop. Both of these problems were introduced in
14267 the dataflow rewrite.
14269 2006-01-19 DJ Delorie <dj@redhat.com>
14271 * reload1.c (find_reload_regs): Note the details of reload
14272 failures in the dump file.
14273 (spill_failure): Likewise.
14275 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14277 * loop-iv.c: Include df.h and hashtab.h.
14278 (enum iv_grd_result): New enum.
14279 (DF_REF_IV, DF_REF_IV_SET): New macros.
14280 (struct biv_entry): New.
14281 (df, bivs): New global variables.
14282 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14283 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14285 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14286 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14287 analyzed_for_bivness_p, record_biv): New functions.
14288 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14289 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14290 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14292 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14294 (iv_number_of_iterations): Use new interface to iv analysis.
14295 * loop-unroll.c: Do not include varray.h.
14296 (analyze_iv_to_split_insn): Use new interface to iv
14298 * loop-unswitch.c (may_unswitch_on): Ditto.
14299 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14301 (df_bb_modify): Realloc tables to the new index.
14302 (df_find_use): New function.
14303 * df.h (df_find_use): Declare.
14304 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14306 * cfgloop.h (struct rtx_iv): Remove analysed field.
14307 (iv_get_reaching_def): Removed.
14308 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14309 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14310 (loop-iv.o): Add df.h and hashtab.h dependency.
14311 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14313 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14316 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14318 (__floatundisf, __floatundidf): Likewise.
14319 * libgcc2.h (IS_IBM_EXTENDED): Define.
14321 2006-01-19 DJ Delorie <dj@redhat.com>
14323 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14325 2006-01-19 Paul Brook <paul@codesourcery.com>
14327 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14328 as nothrow when unwinding tables are disabled.
14330 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14333 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14334 of bit-field" when in system header.
14336 2006-01-19 DJ Delorie <dj@redhat.com>
14338 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14339 the 16 bit shift limit of the m16c.
14341 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14344 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14345 * config/i386/i386.c (output_set_got): Output the label if we have one
14346 for the TARGET_DEEP_BRANCH_PREDICTION case.
14348 2006-01-19 Jan Hubicka <jh@suse.cz>
14349 H.J. Lu <hongjiu.lu@intel.com>
14350 Evandro Menezes <evandro.menezes@amd.com>
14352 * invoke.texi (generic): Document
14354 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14355 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14356 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14357 (x86_use_incdec, x86_pad_returns): New variables
14358 (TARGET_CPU_DEFAULT_generic): New constant
14359 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14360 (enum processor_type): Add generic32 and generic64.
14361 * i386.md (cpu attribute): Add generic32/generic64
14362 (movhi splitter): Behave sanely when both partial_reg_dependency and
14363 partial_reg_stall are set.
14364 (K8 splitters): Enable for generic as well.
14365 * predicates.md (incdec_operand): Use TARGET_INCDEC
14366 (aligned_operand): Avoid memory mismatch stalls.
14367 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14368 * ppro.md: Enable for generic32
14369 * i386.c (generic64_cost, generic32_cost): New.
14370 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14371 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14372 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14373 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14374 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14375 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14376 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14377 x86_accumulate_outgoing_args, x86_prologue_using_move,
14378 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14379 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14380 Enable for generic.
14381 (x86_use_incdec, x86_pad_returns): New.
14382 (override_options): Add generic32 and generic64, translate "generic"
14383 to generic32/generic64 and "i686" to "generic32", refuse
14384 "generic32"/"generic64" as arch target.
14385 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14386 (ix86_reorg): Honor PAD_RETURNS.
14388 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14390 * tree-pretty-print.c (dump_generic_node): Handle
14391 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14392 * cgraph.c (cgraph_expand_queue): Rename from
14393 cgraph_analyze_queue. Update all users.
14394 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14395 cgraph_expand_queue.
14396 (cgraph_expand_all_functions): Likewise.
14397 (cgraph_finalize_pending_functions): Remove. Update callers.
14399 * tree.h (OMP_DIRECTIVE_P): Define.
14400 (OMP_PARALLEL_FN): Define.
14401 (OMP_PARALLEL_DATA_ARG): Define.
14402 (OMP_SECTIONS_SECTIONS): Define.
14403 * tree-pass.h (pass_expand_omp): Declare.
14404 * omp-low.c (struct omp_region): Declare.
14405 (struct omp_context): Remove fields 'parallel_type',
14406 'parallel_start_ix' and 'parallel_start_additional_args'.
14408 (struct omp_for_data): Rename from struct expand_omp_for_data.
14409 (omp_regions): New static variable.
14410 (root_omp_region): New static variable.
14411 (find_omp_clause): Make static.
14412 (is_in_combined_parallel_ctx): Remove.
14413 (is_combined_parallel): New.
14414 (extract_omp_for_data): Move earlier in the file.
14415 (workshare_safe_to_combine_p): New.
14416 (get_ws_args_for): New.
14417 (determine_parallel_type): Move earlier in the file.
14418 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14420 (omp_copy_decl): Likewise.
14421 (create_omp_child_function): Likewise.
14422 (lookup_omp_region): New.
14423 (dump_omp_region): New.
14424 (debug_omp_region): New.
14425 (debug_all_omp_regions): New.
14426 (new_omp_region): New.
14427 (scan_omp_parallel): If parallel_nesting_level > 1, the
14428 directive is nested within another parallel directive.
14429 Set OMP_PARALLEL_FN.
14430 (scan_omp_for): Do not try to handle combined parallel+for
14432 Remove FIXME comment.
14433 (scan_omp_nested): Remove.
14434 (scan_omp_1): Do not call scan_omp_nested when
14435 parallel_nesting_level is > 1.
14436 Do not change the DECL_CONTEXT of local variables found.
14437 (lookup_decl_in_outer_ctx): New.
14438 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14439 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14440 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14441 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14442 If CTX is nested, lookup VAR in the outer context when
14443 building copy assignment.
14444 (lower_send_clauses): Rename from expand_send_clauses.
14445 If CTX is nested, lookup VAR in the outer context when
14446 building copy assignments.
14447 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14448 If CTX is nested, lookup VAR in the outer context when
14449 building copy assignments.
14450 (expand_parallel_call): Rename from build_parallel_call.
14451 Handle combined parallel+workshare cases.
14452 Re-implement to emit code into the CFG.
14454 (expand_omp_parallel): Re-implement to emit code into the CFG.
14455 Call move_sese_region_to_fn to outline the sub-graph
14456 containing the parallel region.
14457 (expand_omp_for_1): Remove.
14458 (expand_omp_for_generic): Re-implement to emit code into the
14460 (expand_omp_for_static_nochunk): Likewise.
14461 (expand_omp_for_static_chunk): Likewise.
14462 (expand_omp_for): Likewise.
14463 (expand_omp_sections): Likewise.
14464 (remove_exit_barriers): New.
14465 (expand_omp_synch): New.
14467 (build_omp_regions_1): New.
14468 (build_omp_regions): New.
14469 (execute_expand_omp): New.
14470 (gate_expand_omp): New.
14471 (pass_expand_omp): Define.
14472 (lower_omp_sections): Rename from expand_omp_sections.
14473 Set OMP_SECTIONS_SECTIONS.
14474 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14475 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14476 (lower_omp_single): Rename from expand_omp_simple.
14477 (lower_omp_master): Rename from expand_omp_master.
14478 (lower_omp_ordered): Rename from expand_omp_ordered.
14479 (lower_omp_critical): Rename from expand_omp_critical.
14480 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14481 (lower_omp_for): Re-implement.
14482 (lower_omp_parallel): Re-implement.
14483 (lower_regimplify): Rename from expand_regimplify.
14484 (lower_omp_1): Rename from expand_omp_1.
14485 If there are syntax errors in the program, replace every
14486 OpenMP directive with NOP.
14487 Call lower_omp_* instead of expand_omp_*.
14488 (lower_omp): Rename from expand_omp.
14490 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14491 * tree-gimple.h (enum omp_parallel_type): Remove.
14492 (gimple_boolify): Declare extern.
14493 (find_omp_clause, determine_parallel_type): Remove.
14495 * gimple-low.c (lower_omp_directive): New.
14496 (lower_stmt): Call it.
14497 (record_vars_into): Move from ...
14498 (record_vars): ... here.
14499 Call record_vars_into with current_function_decl.
14501 * gimplify.c (struct gimplify_ctx): Remove fields
14502 combined_pre_p and combined_ctxp. Update users.
14503 (get_formal_tmp_var): Add documentation.
14504 (gimple_boolify): Make extern.
14505 (gimplify_expr_in_ctx): Remove. Update callers.
14506 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14507 will always be a BIND_EXPR.
14508 (gimplify_expr): Handle OMP_RETURN_EXPR.
14509 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14510 (OMP_PARALLEL): Add 3 operands.
14511 (OMP_SECTIONS): Add 1 operand.
14512 (OMP_RETURN_EXPR): Define.
14514 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14515 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14516 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14517 creating a circular free list.
14518 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14520 * tree-flow.h (move_sese_region_to_fn): Declare.
14521 (record_vars_into): Declare.
14522 * tree-cfg.c (make_omp_sections_edges): New.
14523 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14524 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14525 OMP_SECTIONS and OMP_SECTION.
14526 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14527 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14528 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14529 (gather_blocks_in_sese_region): New.
14530 (struct move_stmt_d): Declare.
14531 (move_stmt_r): New.
14532 (move_block_to_fn): New.
14533 (move_sese_region_to_fn): New.
14535 * passes.c (init_optimization_passes): Schedule
14536 pass_expand_omp after pass_init_datastructures.
14538 * tree-ssa-operands.c (get_expr_operands): Handle
14539 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14540 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14542 2006-01-19 Jeff Law <law@redhat.com>
14544 * tree-vrp.c (extract_range_from_assert): Refine the result range
14545 if the variable referenced by the ASSERT_EXPR has a range and
14546 either the tentative result range or the previous range is a
14549 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14551 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14553 2006-01-19 Jan Hubicka <jh@suse.cz>
14555 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14557 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14559 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14560 (expand_compound_operation, expand_field_assignment): Fail if the
14561 bit lengths of an extract operation are out of range.
14562 (make_extraction): Compute wanted_inner_mode based on the position
14563 and length of the extraction. Make it extraction_mode for non-constant
14564 positions, and do not modify offset in that case. When generating a
14565 new MEM, use a mode that can hold the extraction while keeping correct
14566 alignment. Remove code that supported MEMs wrapped by USEs.
14567 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14569 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14571 * config/s390/s390.md ("Y", "y"): New mode attribute.
14572 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14573 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14574 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14575 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14576 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14577 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14578 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14579 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14580 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14581 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14582 "addsi3", "subsi3"): Insn patterns removed.
14583 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14584 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14585 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14586 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14587 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14588 "*sub<mode>3_cconly2"): New insn patterns.
14589 ("addsi3", "subsi3"): New expanders.
14591 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14593 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14594 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14595 existing STMT_VINFO_VECTYPE if available.
14596 (vect_mark_relevant): Add special handling for stmts that are
14597 marked as STMT_VINFO_IN_PATTERN_P.
14598 (vect_analyze_loop): Call vect_pattern_recog.
14599 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14600 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14602 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14603 (vect_recog_func_ptr): New function-pointer type.
14604 * tree-vect-patterns.c: New file.
14605 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14606 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14607 (vect_pattern_recog_1): New functions.
14608 (vect_pattern_recog_funcs): New array of function pointers.
14610 * tree-vectorizer.h (ternary_op): New enum value.
14611 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14612 declaration. Revised documentation. Removed redundant dump prints.
14613 Removed redundant argument. Added support for reduction patterns.
14614 (vectorizable_reduction): Added support for reduction patterns.
14615 (vect_transform_stmt): Added support for patterns.
14617 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14618 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14619 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14620 (expand_widen_pattern_expr): New function.
14621 (init_optabs): Initialize new optabs udot_prod_optab,
14623 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14624 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14625 (expand_widen_pattern_expr): New function declaration.
14626 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14628 * tree-inline.c (estimate_num_insns_1): Added cases for new
14629 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14630 * tree-pretty-print.c (dump_generic_node): Likewise.
14631 (op_prio): Likewise.
14632 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14633 * tree-ssa-operands.c (get_expr_operands): Added case for
14635 * tree-vect-patterns.c (widened_name_p): New function.
14636 (vect_recog_dot_prod_pattern): Added function implementation.
14637 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14638 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14639 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14640 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14642 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14643 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14644 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14645 (init_optabs): Initialize new optabs widen_ssum_optab,
14647 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14648 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14649 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14650 use instead of type of def.
14651 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14652 function implementation.
14653 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14654 widen_ssumv8hi): New.
14656 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14659 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14662 * c-decl.c (add_flexible_array_elts_to_size): New function.
14663 (finish_decl): Use it.
14665 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14667 * diagnostic.h: Include options.h.
14668 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14669 dependancies for diagnostic.h.
14670 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14672 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14674 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14675 (ssa_ro_call_cache_valid): Ditto.
14676 * tree-ssa-alias.c (sort_tags_by_id): New function.
14677 (init_transitive_clobber_worklist): Ditto.
14678 (add_to_worklist): Ditto.
14679 (mark_aliases_call_clobbered): Ditto.
14680 (compute_tag_properties): Ditto.
14681 (set_initial_properties): Ditto.
14682 (compute_call_clobbered): Ditto.
14683 (compute_may_aliases): Call compute_call_clobbered and grouping.
14684 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14685 (compute_flow_insensitive_aliasing): Grouping now happens in our
14687 (setup_pointers_and_addressables): Remove clobbering related code.
14688 (add_may_alias): Ditto.
14689 (replace_may_alias): Ditto.
14690 (get_nmt_for): Ditto.
14691 (create_global_var):
14692 (is_escape_site): Return an escape_type enumeration.
14693 * tree-flow-inline.h (is_call_clobbered): Global var does not
14694 imply call clobbered.
14695 (mark_call_clobbered): Take a reason for marking this. Remove
14696 marking of globalness, and cache invalidation.
14697 (clear_call_clobbered): Remove cache invalidation code.
14698 * tree-dfa.c (dump_variable): If details is on, dump the reason
14700 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14702 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14703 (struct var_ann_d): Ditto.
14704 (enum escape_type): New.
14705 (mark_call_clobbered): Adjust prototype.
14706 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14707 are never call clobbered.
14708 Record reasons for escaping.
14709 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14710 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14711 (ssa_ro_call_cache_valid): Ditto.
14712 (clobbered_v_may_defs): Ditto.
14713 (clobbered_vuses): Ditto.
14714 (ro_call_vuses): Ditto.
14715 (clobber_stats): New.
14716 (init_ssa_operands): Zero out clobber stats.
14717 (fini_ssa_operands): Print out clobber stats.
14718 (get_call_expr_operands): Pass callee fndecl to
14719 add_call_read_ops).
14720 (add_call_clobber_ops): Remove use of cache.
14721 Add use of PURE_CONST information.
14722 (add_call_read_ops): Remove use of cache.
14723 Add use of static not_read information.
14725 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14727 Introduce TLS descriptors for i386 and x86_64.
14728 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14729 (TARGET_ANY_GNU_TLS): New macro.
14730 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14731 (struct machine_function): Add tls_descriptor_call_expanded_p.
14732 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14733 (ix86_current_function_calls_tls_descriptor): Likewise.
14734 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14735 (override_options): Introduce gnu2 tls dialect.
14736 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14738 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14740 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14741 (ix86_init_machine_status): Initialize new field.
14742 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14743 (ix86_tls_module_base): New.
14744 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14745 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14746 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14747 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14748 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14749 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14750 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14751 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14752 * config/i386/predicates.md (tls_modbase_operand): New.
14753 (tp_or_register_operand): New.
14755 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14757 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14758 (look_for_address_of): Ditto.
14759 (ipa_init): Walk the function decls.
14760 (static_execute): Don't set readonly on FUNCTION_DECL's.
14762 2006-01-18 Roger Sayle <roger@eyesopen.com>
14764 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14765 for shifts where the source and destination registers are different.
14767 2006-01-18 Paul Brook <paul@codesourcery.com>
14769 Merge from csl-arm-branch.
14770 2005-03-14 Julian Brown <julian@codesourcery.com>
14771 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14772 (aeabi_llsl): Likewise.
14773 (ashrdi3): Likewise.
14774 (aeabi_lasr): Likewise.
14775 (lshrdi3): Likewise.
14776 (aeabi_llsr): Likewise.
14777 2005-03-10 Julian Brown <julian@codesourcery.com>
14778 * config.gcc: Disable shared libgcc for SymbianOS.
14779 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14781 2006-01-18 DJ Delorie <dj@redhat.com>
14783 * c-pragma.c (handle_pragma_diagnostic): New.
14784 (init_pragma): Register it.
14785 * doc/extend.texi: Document it.
14787 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14788 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14789 (diagnostic_context): Add classify_diagnostic[].
14790 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14791 as errors if they're overridden to DK_WARNING.
14792 (diagnostic_initialize): Initialize classify_diagnostic[].
14793 (diagnostic_set_kind_override): New.
14794 (diagnostic_report_diagnostic): Check for kind changes.
14795 * opts.c (common_handle_option): Take lang_mask. Update callers.
14796 Handle OPT_Werror_.
14797 * common.opt (Werror=): New.
14798 * doc/invoke.texi: Document -Werror=*
14800 2006-01-18 Jeff Law <law@redhat.com>
14802 * tree-vrp.c (test_for_singularity): Correct test for new
14803 min limit. Use operand_equal_p rather than pointer equality
14804 for testing if new min/max values are equal.
14806 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14807 using range information until after propagation and folding.
14809 2006-01-18 Richard Henderson <rth@redhat.com>
14810 Aldy Hernandez <aldyh@redhat.com>
14811 Jakub Jelinek <jakub@redhat.com>
14812 Diego Novillo <dnovillo@redhat.com>
14814 * omp-low.c: New file.
14815 * c-omp.c: New file.
14817 2006-01-18 Richard Henderson <rth@redhat.com>
14818 Jakub Jelinek <jakub@redhat.com>
14819 Diego Novillo <dnovillo@redhat.com>
14821 * doc/invoke.texi: Document -fopenmp.
14822 * tree-dump.h (debug_function): Declare.
14823 * hooks.c (hook_bool_tree_bool_false): New function.
14824 (hook_tree_tree_null): Remove.
14825 (hook_tree_tree_tree_null): New.
14826 * hooks.h: Update to match.
14827 * tree-pretty-print.c (debug_tree_chain): New.
14828 (print_generic_expr): Handle TDF_CHAIN.
14829 (dump_generic_node): Handle BLOCK.
14830 Do not abort with incomplete SWITCH_EXPRs.
14831 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14832 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14833 print space after directive name.
14834 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14835 Handle OMP_MASTER and OMP_ORDERED.
14836 Handle printing of OMP_BODY just in one place, goto
14837 dump_omp_body in the rest of OMP_* nodes that have
14839 Don't handle clause nodes here. Update omp statements to
14840 use dump_omp_clauses.
14841 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14842 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14843 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14844 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14845 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14846 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14847 Adjust output for GOMP_PARALLEL.
14848 (dump_omp_clauses): New.
14849 (print_declaration): Dump DECL_VALUE_EXPR.
14850 (op_symbol_1): Split out of op_symbol.
14851 (dumping_stmts): Remove. Update all users.
14852 * cgraph.c (cgraph_analyze_queue): New.
14853 (cgraph_add_new_function): New.
14854 * cgraph.h (cgraph_analyze_queue): Declare.
14855 (cgraph_add_new_function): Declare.
14856 (cgraph_lower_function): Remove.
14857 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14858 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14859 and TYPE_P nodes in its default clause.
14860 (empty_body_p): New.
14861 (tree_range_check_failed): New.
14862 (build5_stat): New.
14863 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14864 OMP_CLAUSE_REDUCTION_MERGE,
14865 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14866 OMP_CLAUSE_PRIVATE_DEBUG,
14867 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14868 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14869 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14870 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14871 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14872 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14873 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14874 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14875 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14876 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14877 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14878 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14879 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14880 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14881 (TREE_RANGE_CHECK): New.
14882 (empty_body_p): Declare.
14883 (enum omp_clause_default_kind): New.
14884 (build_string_literal): Declare.
14885 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14886 (build5_stat, build5): Declare.
14887 * tree-pass.h (TDF_CHAIN): Define.
14888 * tree-pass.h (PROP_gimple_lomp): Define.
14889 (pass_lower_omp): Declare.
14890 * diagnostic.h (debug_tree_chain): Declare.
14891 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14893 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14894 * builtins.c (build_string_literal): Make extern.
14895 * gcc.c (include_spec_function): New.
14896 (static_spec_functions): Add it.
14897 (main): Move load of libgomp.spec ...
14898 (LINK_COMMAND_SPEC): ... here.
14899 (link_gomp_spec): New.
14900 (static_specs): Include it.
14901 (LINK_COMMAND_SPEC): Add link_gomp.
14902 (GOMP_SELF_SPECS): New.
14903 (driver_self_specs): Include it.
14904 (switch_matches): Don't mark inline.
14905 (main): Load libgomp.spec.
14906 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14907 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14908 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14909 * tree-gimple.h (enum omp_parallel): Declare.
14910 (determine_parallel_type): Declare.
14911 (omp_firstprivatize_variable): Declare.
14912 (omp_reduction_init): Declare.
14913 (diagnose_omp_structured_block_errors): Declare.
14914 (struct walk_stmt_info): Add want_return_expr.
14915 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14916 (find_omp_clause): Declare.
14917 (insert_field_into_struct): Declare.
14918 (struct walk_stmt_info): Move from tree-nested.c
14919 (walk_stmts): Declare.
14920 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14922 * cgraphunit.c (cgraph_lower_function): Make static.
14923 (cgraph_finalize_pending_functions): New.
14924 (cgraph_finalize_function): Call it.
14925 (cgraph_finalize_compilation_unit): Likewise.
14926 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14927 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14928 (BT_FN_UINT_UINT): New.
14929 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14930 DEF_FUNCTION_TYPE_VAR_4): Document.
14931 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14932 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14933 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14934 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14935 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14936 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14937 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14938 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14939 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14940 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14941 into separate files.
14942 (DEF_GOMP_BUILTIN): New.
14943 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14944 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14945 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14946 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14947 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14948 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14949 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14950 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14951 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14952 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14953 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14954 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14955 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14956 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14957 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14958 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14959 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14960 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14961 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14962 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14963 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14964 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14965 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14966 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14967 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14968 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14969 * sync-builtins.def: New file, moved from builtins.def.
14970 * omp-builtins.def: New file, moved from builtins.def.
14971 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14972 * gimple-low.c (lower_function_body): Clear data.
14973 (lower_stmt): Do not handle COMPOUND_EXPR.
14974 Remove call to print_node_brief.
14975 * c-tree.h (c_finish_omp_clauses): New prototype.
14976 (C_DECL_THREADPRIVATE_P): Define.
14977 (lookup_name_no_remap, c_omp_remap_private): Remove
14978 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14979 (check_for_loop_decls): Update decl.
14980 (lookup_name_no_remap, c_omp_remap_private): Declare.
14981 (build_indirect_ref, build_modify_expr, pushdecl,
14982 pushdecl_top_level): Move to c-common.h.
14983 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14984 before the switch, but just in the 2 places that need it.
14985 * c-decl.c (diagnose_mismatched_decls): Do not check for
14986 mismatched thread-local attributes when OLDDECL is marked
14987 threadprivate and NEWDECL has no thread-local attributes.
14988 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14989 (c_gimple_diagnostics_recursively): Rename from
14990 c_warn_unused_result_recursively. Invoke
14991 diagnose_omp_structured_block_errors.
14992 (check_for_loop_decls): Return a singular decl found.
14993 * langhooks.c (lhd_omp_predetermined_sharing): Return
14994 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14995 (lhd_omp_firstprivatize_type_sizes): New.
14996 (lhd_omp_assignment): New.
14997 (lhd_omp_predetermined_sharing): New.
14998 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14999 (struct lang_hooks_for_types): Add
15000 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15001 omp_predetermined_sharing, omp_disregard_value_expr,
15002 omp_private_debug_clause, omp_clause_default_ctor,
15003 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15004 (c_finish_omp_clauses): New.
15005 (c_finish_bc_stmt): Diagnose break within omp for.
15006 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15007 (build_unary_op): Return error_mark after reporting
15009 (build_modify_expr): Likewise.
15010 * gimplify.c: Include optabs.h and pointer-set.h.
15011 (enum gimplify_omp_var_data): Declare.
15012 (struct gimplify_omp_ctx): Declare.
15013 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15015 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15016 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15017 (splay_tree_compare_decl_uid): New.
15018 (new_omp_context): New.
15019 (delete_omp_context): New.
15020 (gimple_add_tmp_var): Call omp_add_variable.
15021 (gimplify_bind_expr): Likewise.
15022 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15023 true, disregard DECL_VALUE_EXPR on the decl if any.
15024 (gimplify_expr_in_ctx): New.
15025 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15026 omp_add_variable, omp_notice_variable, omp_is_private
15027 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15028 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15029 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15030 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15031 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15032 gimplify_omp_atomic): New.
15033 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15034 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15035 OMP_CRITICAL and OMP_ATOMIC.
15036 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15037 * c-pragma.h (enum pragma_kind): Add
15038 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15039 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15040 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15041 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15042 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15043 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15044 PRAGMA_OMP_THREADPRIVATE.
15045 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15046 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15047 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15048 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15049 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15050 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15051 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15052 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15053 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15054 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15055 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15056 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15057 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15059 (struct nesting_info): Add field_map,
15060 suppress_expansion, debug_var_chain.
15061 (create_nesting_tree): Initialize them.
15062 (lookup_field_for_decl): Use field_map.
15063 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15064 (convert_local_omp_clauses): New.
15065 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15066 (walk_body): Split out of walk_function.
15067 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15068 (convert_nonlocal_reference): Handle omp statements.
15069 (convert_local_reference): Likewise.
15070 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15071 (unnest_nesting_tree): New.
15072 (lower_nested_functions): Call it.
15073 (insert_field_into_struct): Make extern.
15074 (struct walk_stmt_info): Move to tree-gimple.h.
15075 (walk_stmts): Make extern.
15076 * omp-builtins.def: New file.
15077 * tree-iterator.c (expr_only): Clarify comment.
15078 * c-common.h (pushdecl_top_level, pushdecl,
15079 build_modify_expr, build_indirect_ref,
15080 c_finish_omp_master, c_finish_omp_critical,
15081 c_finish_omp_ordered, c_finish_omp_barrier,
15082 c_finish_omp_atomic, c_finish_omp_flush,
15083 c_finish_omp_for, c_split_parallel_clauses,
15084 omp_clause_default_kind, c_omp_sharing_predetermined,
15085 c_omp_remap_decl): Declare.
15086 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15087 (OBJS-common): Add omp-low.o.
15088 (c-omp.o, omp-low.o): Add.
15089 (gimplify.o): Add dependency on $(OPTABS_H).
15090 (GTFILES): Add omp-low.c.
15091 (gt-stringpool.h): Add.
15092 * tree-cfg.c (set_bb_for_stmt): Do not update the
15093 block-to-labels map if we are currently expanding to RTL.
15094 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15096 Handle IDENTIFIER_NODE.
15097 (tree_verify_flow_info): Do not ICE when emitting error
15098 messages about invalid labels.
15099 (dump_function_to_file): Reset CFUN before emitting the body
15101 (debug_function): New.
15102 * passes.c (init_optimization_passes): Schedule
15104 * langhooks-def.h (lhd_omp_predetermined_sharing,
15105 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15107 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15108 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15109 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15110 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15111 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15112 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15113 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15114 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15115 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15116 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15117 (LANG_HOOK_DECLS): Use them.
15119 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15120 Richard Henderson <rth@redhat.com>
15121 Jakub Jelinek <jakub@redhat.com>
15122 Diego Novillo <dnovillo@redhat.com>
15124 * c-parser.c (pragma_omp_clause): Define.
15125 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15126 (c_parser_compound_statement): Likewise.
15127 (c_parser_statement): Likewise.
15128 (c_parser_pragma): Handle omp pragmas.
15129 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15130 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15131 (c_parser_omp_clause_name, check_no_duplicate_clause,
15132 c_parser_omp_variable_list,
15133 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15134 c_parser_omp_clause_copyprivate,
15135 c_parser_omp_clause_default,
15136 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15137 c_parser_omp_clause_lastprivate,
15138 c_parser_omp_clause_nowait,
15139 c_parser_omp_clause_num_threads,
15140 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15141 c_parser_omp_clause_reduction,
15142 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15143 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15144 c_parser_omp_atomic, c_parser_omp_barrier,
15145 c_parser_omp_critical, c_parser_omp_flush,
15146 c_parser_omp_for_loop, c_parser_omp_for,
15147 c_parser_omp_master, c_parser_omp_ordered,
15148 c_parser_omp_sections_scope, c_parser_omp_sections,
15149 c_parser_omp_parallel, c_parser_omp_single,
15150 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15151 * c-pragma.c (init_pragma): Do omp pragma registration here.
15152 * c.opt (fopenmp): New flag.
15154 2006-01-18 Eric Christopher <echristo@apple.com>
15156 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15157 * config/darwin.h (GOMP_SELF_SPECS): Define.
15159 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15161 * rtl.h: Remove the prototype for reg_alloc.
15163 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15166 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15167 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15168 sjlj and dwarf2 exception handling.
15169 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15170 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15171 * pa/pa.c (function_value): Treat complex and vector types as
15173 (function_arg): Likewise. Only pass scalar floats in the floating
15174 point argument registers.
15175 * pa/t-slibgcc-dwarf-ver: New file.
15176 * pa/t-slibgcc-sjlj-ver: New file.
15177 * pa/t-slibgcc-elf-ver: Delete file.
15179 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15181 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15182 unlikely_test_section_p test.
15184 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15186 * mode-switching.c (optimize_mode_switching): Make it static.
15187 * basic-block.h: Remove the prototype for
15188 optimize_mode_switching.
15190 * modulo-sched.c (sms_schedule): Make it static.
15191 * rtl.h: Remove the prototype for sms_schedule.
15193 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15194 * rtl.h: Remove the prototype for gcse_after_reload_main.
15196 * reg-stack.c (reg_to_stack): Make it static.
15197 * rtl.h: Remove the prototype for reg_to_stack.
15199 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15201 * rtl.h: Remove the prototypes for regrename_optimize and
15202 copyprop_hardreg_forward.
15204 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15206 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15207 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15208 Test against the appropriate null constant for the mode.
15209 If 'fixup_overlap' is true, swap the operands if they overlap.
15210 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15211 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15212 alpha_split_tmode_pair and adjust for above change.
15213 * config/alpha/alpha.md (movtf_internal): Adjust call to
15214 alpha_split_tfmode_pair and rely on it to swap the operands.
15215 (movti_internal): New insn and post-reload splitter.
15216 (movti): New expander.
15218 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15220 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15223 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15225 * rtlanal.c (global_reg_mentioned_p_1,
15226 global_reg_mentioned_p): Remove.
15227 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15229 * flow.c (initialize_uninitialized_subregs): Make it static.
15230 * rtl.h: Remove the prototype for
15231 initialize_uninitialized_subregs.
15233 * function.c (instantiate_virtual_regs): Make it static.
15234 * function.h: Remove the prototype for
15235 instantiate_virtual_regs.
15237 * regmove.c (regmove_optimize, combine_stack_adjustments):
15239 * rtl.h: Remove the prototypes for regmove_optimize and
15240 combine_stack_adjustments.
15242 2006-01-17 Roger Sayle <roger@eyesopen.com>
15244 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15245 (size_cost): Encode costs in bytes so that a reg-reg addition is
15246 equivalent to COSTS_N_INSNS(1).
15247 (override_options): Use the size_cost.branch_cost as the default
15248 ix86_branch_cost when optimizing for size.
15250 2006-01-18 Ben Elliston <bje@au.ibm.com>
15252 * Makefile.in (D32PBIT_FUNCS): New.
15253 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15254 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15255 D64PBIT_FUNCS and D128PBIT_FUNCS.
15256 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15257 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15259 (decnumber_dep): Define.
15260 * doc/libgcc.texi (Decimal float library routines): New node.
15261 * config/dfp-bit.h, config/dfp-bit.c: New files.
15263 2006-01-18 Ben Elliston <bje@au.ibm.com>
15265 * expr.c (emit_move_change_mode): Always adjust addresses, not
15266 just during reload. Copy replacements only during reload.
15267 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15268 emit_move_via_integer.
15270 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15272 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15273 instead of $(srcdir) and ${srcdir}.
15275 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15278 PR middle-end/11135
15279 * arm.h (struct machine_function): Add pic_reg.
15280 * arm.c (arm_pic_register): Make unsigned.
15281 (arm_override_options): Only set arm_pic_register if
15282 TARGET_SINGLE_PIC_BASE.
15283 (use_return_insn): Only test for a pic register if it is fixed.
15284 (arm_compute_save_reg0_reg12_mask): Likewise.
15285 (thumb_compute_save_reg_mask): Likewise.
15286 (legitimate_pic_operand): Factor out some known invariants.
15287 (legitimize_pic_address): If we don't have a fixed pic register,
15288 then set up a pseudo in the function entry sequence. Handle the
15289 pic base being in a pseudo.
15290 (arm_load_pic_register): Handle the pic register being in a pseudo.
15291 (arm_expand_prologue): Only set up the pic register if it is fixed.
15292 (thumb_expand_prologue): Likewise.
15293 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15294 (pic_load_addr_based_insn): Likewise.
15295 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15298 2006-01-18 Ben Elliston <bje@au.ibm.com>
15300 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15301 decimal float modes for all floating point registers.
15303 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15304 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15306 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15309 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15310 even when the pointer is not NULL.
15312 2006-01-16 Ian Lance Taylor <ian@airs.com>
15314 * common.opt (ftoplevel-reorder): New option.
15315 * cgraph.c (cgraph_asm_nodes): New global variable.
15316 (cgraph_asm_last_node): New static variable.
15317 (cgraph_order): New global variable.
15318 (cgraph_create_node): Set new order field.
15319 (cgraph_varpool_node): Likewise.
15320 (decide_is_variable_needed): Return true if not
15321 flag_toplevel_reorder.
15322 (cgraph_add_asm_node): New function.
15323 * cgraph.h (struct cgraph_node): Add order field.
15324 (struct cgraph_varpool_node): Add order field.
15325 (struct cgraph_asm_node): Define.
15326 (cgraph_asm_nodes, cgraph_order): Declare.
15327 (cgraph_add_asm_node): Declare.
15328 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15330 (cgraph_varpool_assemble_pending_decls): Call it.
15331 (cgraph_output_pending_asms): New static function.
15332 (cgraph_finalize_compilation_unit): Call it.
15333 (struct cgraph_order_sort): Define.
15334 (cgraph_output_in_order): New static function.
15335 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15336 !flag_toplevel_reorder case.
15337 * c-parser.c: Include "cgraph.h".
15338 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15340 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15341 than -fno-unit-at-a-time.
15342 * doc/invoke.texi (Option Summary): Mention
15343 -fno-toplevel-reorder.
15344 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15345 -funit-at-a-time documentation.
15347 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15348 Kazu Hirata <kazu@codesourcery.com>
15350 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15352 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15354 * Makefile.in (FUNCTION_H): New. Use it instead of
15355 function.h throughout the file.
15356 * function.h: Include tree.h.
15358 2006-01-17 Ben Elliston <bje@au.ibm.com>
15360 * recog.c: Separate some functions with whitespace.
15362 2006-01-16 Richard Henderson <rth@redhat.com>
15364 Merge from gomp branch:
15365 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15366 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15367 and rename from struct inline_data. Rename callee* to dst*;
15368 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15369 transform_new_cfg, transform_return_to_modify, and
15370 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15372 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15373 (copy_decl_for_dup): Remove.
15374 * tree-inline.c (struct inline_data): Move to header.
15375 (insert_decl_map): Export.
15376 (remap_decl): Update for member name changes. Use copy_decl hook.
15377 Allow for replacement to be a non-decl. Remove dead code.
15378 (remap_type_1): Check for existing mapping.
15379 (remap_type): Export.
15380 (remap_decls): Update for member name changes.
15381 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15382 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15383 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15384 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15385 (tree_function_versioning, build_duplicate_type): Likewise.
15386 (copy_body_r): Likewise. Export.
15387 (copy_decl_for_dup): Split into ...
15388 (copy_decl_for_dup_finish, copy_decl_to_var,
15389 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15390 (replace_ref_tree, inlining_p): Remove.
15392 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15394 * ifcvt.c (if_convert): Make it static.
15395 * rtl.h: Remove the prototype for if_convert.
15397 * local-alloc.c (local_alloc): Make it static.
15398 * rtl.h: Remove the prototype for local_alloc.
15400 * loop.c (loop_optimize): Make it static.
15401 * cfgloop.h: Remove the prototype for loop_optimize.
15404 2006-01-16 DJ Delorie <dj@redhat.com>
15406 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15409 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15411 * pa.md: Disparage copies between general and floating-point registers
15412 in 32-bit move patterns.
15414 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15417 * Makefile.in (check-%): Depend on site.exp instead of
15418 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15421 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15423 * global.c (global_alloc): Make it static.
15424 * rtl.h: Remove the prototype for global_alloc.
15426 2006-01-16 Richard Guenther <rguenther@suse.de>
15428 * tree-ssa-alias.c (struct used_part): Add write_only field.
15429 (get_or_create_used_part_for): Initialize it to true.
15430 (create_overlap_variables_for): Don't create structure variables
15431 for structures that only are written to.
15432 (find_used_portions): Handle MODIFY_EXPR to track whether a
15433 structure is only written to.
15435 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15437 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15439 * basic-block.h: Remove the prototype for
15440 partition_hot_cold_basic_blocks.
15442 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15444 * cppspec.c (lang_specific_spec_functions): Remove.
15445 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15446 * gcc.h (lang_specific_spec_functions): Remove.
15447 * gccspec.c (lang_specific_spec_functions): Remove.
15449 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15451 * combine.c (record_value_for_reg): Invalidate registers
15453 (record_dead_and_set_regs_1): Likewise, by passing them to
15454 record_value_for_reg.
15455 (record_dead_and_set_regs): Invalidate stores made by a
15456 call. We do not combine across a call, but we still
15457 relied on equivalences.
15459 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15461 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15462 vrp_int_const_binop returning non-constant nodes.
15464 2006-01-16 Paul Brook <paul@codesourcery.com>
15466 * config/m68k/m68k.c (output_move_const_into_data_reg):
15467 Output correct mnemonic for mvz and mvs.
15469 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15471 * rtl-factoring.c: Add sequence abstraction algorithm.
15472 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15473 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15475 (block_has_preserve_label): New function.
15476 * common.opt: Register new pass.
15477 * Makefile.in: Ditto.
15479 * timevar.def: Ditto.
15480 * tree-pass.h: Ditto.
15481 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15482 * rtl.h (make_jump_insn_raw): Add forward decl.
15483 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15485 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15486 Roger Sayle <roger@eyesopen.com>
15488 * fold-const.c (fold_minmax): New static function.
15489 (fold_binary) <MIN_EXPR>: Call it.
15490 <MAX_EXPR>: Likewise.
15491 * stor-layout.c (place_field): Use DECL_SIZE consistently
15492 in the computation of the new record size.
15494 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15496 * cse.c (cse_condition_code_reg): Make it static.
15497 * rtl.h: Remove the prototype for cse_condition_code_reg.
15499 * combine.c (combine_instructions): Make it static.
15500 * rtl.h: Remove the prototype for combine_instructions.
15502 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15505 * tree.c (get_file_function_name_long): Concatenate the first global
15506 object name with a string derived from the input filename of the object
15509 2006-01-16 Ben Elliston <bje@au.ibm.com>
15511 * config/i386/winnt-stubs.c: Update FSF address.
15512 * config/xtensa/ieee754-df.S: Ditto.
15513 * config/xtensa/ieee754-sf.S: Ditto.
15515 2006-01-14 Ian Lance Taylor <ian@airs.com>
15517 * ifcvt.c (noce_init_if_info): New static function, broken out of
15518 noce_process_if_block.
15519 (noce_process_if_block): Call noce_init_if_info.
15520 (check_cond_move_block): New static function.
15521 (cond_move_process_if_block): New static function.
15522 (process_if_block): Call cond_move_process_if_block.
15524 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15526 * cselib.c (hash_table): Rename to cselib_hash_table.
15527 (cselib_clear_table, discard_useless_values,
15528 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15529 cselib_init, cselib_finish): Adjust uses of hash_table.
15531 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15533 PR tree-optimization/25485
15534 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15535 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15536 is known to be false and true, respectively.
15538 2006-01-14 Richard Guenther <rguenther@suse.de>
15540 PR tree-optimization/22548
15541 PR tree-optimization/22555
15542 PR tree-optimization/22501
15543 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15544 * params.def (salias-max-array-elements): New parameter.
15545 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15546 * doc/invoke.texi (salias-max-array-elements): Document.
15547 * tree-flow-inline.h (var_can_have_subvars): We also handle
15549 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15551 * tree-ssa-structalias.c (params.h): Include.
15552 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15553 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15554 (get_constraint_for): For ADDR_EXPR operating on something
15555 containing an ARRAY_REF, add all subvars to the solution.
15556 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15557 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15558 for creating MUST_DEFs.
15559 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15561 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15563 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15565 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15566 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15567 number_of_iterations_le): New functions.
15568 (number_of_iterations_special): Removed.
15569 (number_of_iterations_exit): Do not use number_of_iterations_special.
15570 * tree.c (unsigned_type_for): Always return integer type.
15572 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15573 Richard Guenther <rguenther@suse.de>
15575 PR rtl-optimization/24257
15576 * gcse.c (find_moveable_store): Only consider a store movable
15577 when the SET_SRC of the insn can be assigned to a register.
15579 2006-01-14 Ian Lance Taylor <ian@airs.com>
15581 * tree.c (tree_not_class_check_failed): New function.
15582 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15583 (tree_not_class_check_failed): Declare.
15585 2006-01-13 Ian Lance Taylor <ian@airs.com>
15587 * reload1.c (do_output_reload): Add assertion rejecting a
15590 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15592 * combine.c (struct reg_stat): Add new fields truncation_label and
15594 (record_value_for_reg): Reset truncated_to_mode.
15595 (record_truncated_value): New function.
15596 (check_promoted_subreg): Call it. Rename to check_conversions.
15597 (combine_instructions): Rename check_promoted_subreg to
15599 (reg_truncated_to_mode): New function.
15600 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15601 (gen_lowpart_or_truncate): New function.
15602 (force_to_mode): Use it instead of gen_lowpart.
15604 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15606 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15607 VAR is a tag, not its type tag.
15609 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15611 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15612 alternatives to match style of other entries.
15613 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15615 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15617 PR tree-optimization/25771
15618 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15621 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15624 * tree-inline.c (declare_return_variable): If the return variable
15625 was marked as a non gimple complex, set the return slot variable
15626 to be a non gimple comple variable.
15628 2006-01-13 Richard Guenther <rguenther@suse.de>
15630 * builtins.c (expand_builtin_sincos): New function.
15631 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15633 (expand_builtin): Expand sincos using expand_builtin_sincos.
15635 2006-01-12 DJ Delorie <dj@redhat.com>
15637 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15638 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15639 so that constant shifts can be split.
15640 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15641 (m32c_valid_pointer_mode): Make static.
15642 (shift_gen_func_for): New.
15643 (m32c_prepare_shift): Use it. Split large const shifts into
15645 * config/m32c/predicates.md (shiftcount_operand): Allow more
15647 (longshiftcount_operand): New.
15648 * doc/md.texi (Machine Constraints): Document In6.
15650 2006-01-13 Ben Elliston <bje@au.ibm.com>
15652 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15653 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15656 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15658 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15659 to try to avoid clobbering pieces of structures when we know
15660 something about the whole structure.
15661 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15663 2006-01-13 Ben Elliston <bje@au.ibm.com>
15665 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15666 return in memory, as this is no limitation is no longer present.
15668 2006-01-12 DJ Delorie <dj@redhat.com>
15670 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15671 mova with fb, and for fb+0 -> An.
15673 * config/m32c/mov.md (peephole2): Fix enabling logic.
15675 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15676 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15677 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15678 FINI_ARRAY_SECTION_ASM_OP): Define.
15680 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15682 (m32c_legitimize_reload_address): New logic to reload FB to An.
15683 (m32c_output_reg_push): Add newline.
15684 (m32c_output_reg_pop): Likewise.
15686 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15688 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15690 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15692 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15694 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15696 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15699 2006-01-11 Ben Elliston <bje@au.ibm.com>
15701 * rtlanal.c (find_reg_note): Assert insn is not null.
15703 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15705 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15708 2006-01-11 Jeff Law <law@redhat.com>
15710 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15712 (mark_threaded_blocks, register_jump_thread): New functions.
15713 (thread_through_all_blocks): Remove unwanted argument. No
15714 longer rely on e->aux to communicate thread target info.
15715 Call mark_threaded_blocks. Release the threaded_blocks
15716 bitmap and threaded_edges vector when complete.
15717 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15718 (threaded_blocks): Remove.
15719 (tree_ssa_dominator_optimize): Remove initialization and
15720 finalization of threaded_blocks. Simplify call to
15721 thread_through_all_blocks.
15722 (thread_across_edge): Call register_jump_thread rather than
15723 storing thread information into e->aux.
15724 (free_all_edge_infos): Simplify now that e->aux is no longer
15725 used to communicate with thread_through_all_blocks.
15726 * tree-flow.h (thread_through_all_blocks): Update prototype.
15727 (register_jump_thread): Prototype.
15729 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15731 * df-core.c (df_compact_blocks, df_bb_replace): Use
15732 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15734 2006-01-11 Richard Guenther <rguenther@suse.de>
15736 PR tree-optimization/25734
15737 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15738 stop propagation after successful propagation to the LHS.
15740 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15742 * basic-block.h (control_flow_graph): Change the type of
15743 x_basic_block_info to VEC(basic_block,gc) *.
15744 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15746 (SET_BASIC_BLOCK): New.
15747 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15748 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15749 * cfgbuild.c (find_basic_blocks): Likewise.
15750 * cfglayout.c (fixup_reorder_chain): Likewise.
15751 * cfgrtl.c (create_basic_block_structure,
15752 rtl_create_basic_block): Likewise.
15753 * ifcvt.c (find_if_case_1): Likewise.
15754 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15757 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15759 * Makefile.in: Removed rotted odf.c entry.
15761 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15764 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15765 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15766 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15767 output pattern modifier, not %e.
15768 * config/cris/cris.c (cris_op_str): Update comment about pattern
15770 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15771 before falling through into...
15772 <case 'E'>: Redefined from old 'e' case.
15774 2006-01-11 Jan Hubicka <jh@suse.cz>
15777 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15779 2006-01-11 Jan Hubicka <jh@suse.cz>
15781 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15782 * i386.c (x86_decompose_lea): Kill.
15783 (ix86_rtx_costs): Kill.
15785 2006-01-11 Jan Hubicka <jh@suse.cz>
15787 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15788 * cgraph.h (cgraph_node): Add inline_decl.
15789 (cgraph_insert_node_to_hashtable): Declare.
15790 (save_inline_function_body): Declare.
15791 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15793 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15794 (cgraph_function_versioning): Update call of tree_function_versioning.
15795 (save_inline_function_body): New function.
15796 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15797 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15798 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15799 (cgraph_default_inline_p): Likewise.
15800 (cgraph_decide_inlining_incrementally): Likewise.
15801 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15802 (copy_bb): Kill saving; do updating of clones.
15803 (copy_cfg_body): Kill saving.
15804 (initialize_inlined-parameters): Likewise.
15805 (expand_call_inline): Likewise.
15807 (tree_function_versioning): New parameter "update_clones".
15808 (inlining_p): Kill saving.
15809 * tree-inline.h (tree_function_versioning): Update prototype.
15810 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15813 2006-01-11 Ian Lance Taylor <ian@airs.com>
15815 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15816 Allow undoing set of machine mode.
15817 (do_SUBST): Use enums instead of is_int.
15818 (do_SUBST_MODE): New function.
15819 (SUBST_MODE): New macro.
15820 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15821 reg and trying to replace reg_regno_rtx with a new register.
15822 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15823 (simplify_set): Use SUBST_MODE.
15824 (distribute_notes): Remove code that tried to update reg notes
15825 for regno_reg_rtx changes.
15827 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15829 PR tree-optimization/23109
15830 PR tree-optimization/23948
15831 PR tree-optimization/24123
15833 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15834 * tree-cfg.c (single_noncomplex_succ): New.
15835 * tree-flow.h (single_noncomplex_succ): Declare it.
15836 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15837 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15838 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15839 insert_bb, register_division_in, insert_reciprocals,
15840 replace_reciprocal, free_bb): New.
15841 (execute_cse_reciprocals_1): Rewritten.
15842 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15843 Do not commit any edge insertion. Always compute dominators and
15844 create the allocation pool.
15845 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15846 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15847 * targhooks.c (default_min_divistions_for_recip_mul): New.
15848 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15849 * passes.c (init_optimization_passes): Run recip after tree loop
15851 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15853 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15854 Kenneth Zadeck <zadeck@naturalbridge.com>
15856 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15857 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15858 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15859 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15860 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15861 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15862 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15863 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15864 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15865 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15866 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15867 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15868 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15869 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15870 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15871 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15872 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15873 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15874 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15875 DF_SCAN_POST_ALLOC): New macros.
15876 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15877 df_free_bb_function, df_local_compute_function, df_init_function,
15878 df_dataflow_function, df_confluence_function_0,
15879 df_confluence_function_n, df_transfer_function,
15880 df_finalizer_function, df_free_function, df_dump_problem_function,
15881 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15882 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15883 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15884 df_urec_bb_info, ) New types.
15885 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15887 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15888 df_analyze_simple_change_some_blocks,
15889 df_analyze_simple_change_one_block, df_compact_blocks,
15890 df_bb_replace, df_bb_regno_last_use_find,
15891 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15892 df_insn_regno_def_p, df_find_def, df_find_use,
15893 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15894 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15895 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15896 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15897 debug_df_chain, df_get_dependent_problem, df_chain_create,
15898 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15899 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15900 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15901 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15902 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15903 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15904 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15905 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15906 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15907 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15908 df_reorganize_refs, df_set_state, df_hard_reg_init,
15909 df_read_modify_subreg_p) New public functions.
15910 * df-core.c: The core dataflow solver and glue routines for rtl
15912 (df_init, df_add_problem, df_set_blocks, df_finish,
15913 df_hybrid_search_forward, df_hybrid_search_backward,
15914 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15915 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15916 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15917 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15918 df_reg_defined, df_find_use, df_reg_used, df_dump,
15919 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15920 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15921 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15922 debug_df_useno, reset_df_after_reload): New functions.
15923 * df-scan.c: The scanning fuctions, once in df.c, completely
15924 rewritten so that they now fully model the functionality of
15925 register usage at the backend.
15926 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15927 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15928 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15929 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15930 df_get_artificial_defs, df_get_artificial_uses,
15931 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15932 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15933 df_refs_delete, df_reorganize_refs, df_set_state,
15934 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15935 df_def_record_1, df_defs_record, df_uses_record,
15936 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15937 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15938 df_record_exit_block_uses, df_hard_reg_init): New functions.
15940 * df-problems.c: Seven concrete dataflow problems that use the
15941 scanning in df-scan.c and are solved by the engine in df-core.c.
15942 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15943 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15944 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15945 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15946 df_ru_free_bb_info, df_ru_alloc,
15947 df_ru_bb_local_compute_process_def,
15948 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15949 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15950 df_ru_transfer_function, df_ru_free, df_ru_dump,
15951 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15952 df_rd_free_bb_info, df_rd_alloc,
15953 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15954 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15955 df_rd_transfer_function, df_rd_free, df_rd_dump,
15956 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15957 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15958 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15959 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15960 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15961 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15962 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15963 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15964 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15965 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15966 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15967 df_urec_mark_reg_use_for_earlyclobber,
15968 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15969 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15970 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15971 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15972 df_chain_create_bb_process_use, df_chain_create_bb,
15973 df_chain_finalize, df_chain_free, df_chains_dump,
15974 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15975 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15976 df_reg_lifetime): New functions.
15977 * df.c: Deleted file.
15978 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15979 consistent with new df api.
15980 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15981 rest_of_handle_sms): Ditto.
15982 * web.c (unionfind_union, union_defs, entry_register, web_main):
15984 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15985 invariant_expr_equal_p, find_defs, check_dependencies,
15986 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15987 free_inv_motion_data, move_loop_invariants): Ditto.
15988 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15989 Update dependencies.
15990 (odf.c): Added defective entry that was deleted later in day.
15991 * sched-deps.c (sched_analyze_1): Ditto.
15993 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15995 * tree-ssa-operands.c (get_expr_operands): Record addressable
15996 variables directly. Do not call add_stmt_operands for CONST_DECLs
15998 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15999 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16001 2006-01-11 Ben Elliston <bje@au.ibm.com>
16003 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16004 function returns true in the positive case.
16006 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16009 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16010 for SI, DI, SF and DF modes. Add alternatives to copy between
16011 general and floating point registers to the 32-bit patterns.
16012 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16013 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16014 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16015 generating 64-bit code.
16016 * config/pa/pa.c (output_move_double): Handle copies between general
16017 and floating registers.
16019 2006-01-10 Stuart Hastings <stuart@apple.com>
16021 * config/i386/i386.md (set_got): Update.
16022 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16023 (builtin_setjmp_receiver): Mach-O support.
16024 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16025 (GOT_SYMBOL_NAME): Define.
16026 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16027 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16028 * config/i386/i386.c (override_options): Revise for Darwin.
16029 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16030 support. (darwin_x86_file_end): New. (output_set_got): Add label
16031 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16032 * config/i386/i386-protos.h (output_set_got): Likewise.
16033 * config/darwin.c (machopic_legitimize_pic_address): Update
16036 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16038 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16039 when MODE isn't BLKmode.
16041 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16043 PR rtl-optimization/25367
16044 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16046 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16049 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16050 for a negative bound.
16052 2006-01-10 Richard Guenther <rguenther@suse.de>
16054 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16055 Never override with anything constraint.
16057 2006-01-10 Jan Beulich <jbeulich@novell.com>
16059 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16060 256 bits when optimize_size.
16062 2006-01-10 Jan Beulich <jbeulich@novell.com>
16064 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16066 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16067 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16070 2006-01-10 Ben Elliston <bje@au.ibm.com>
16072 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16074 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16075 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16076 (USE_FP_FOR_ARG): Reject decimal float modes.
16077 (function_arg_advance): Likewise.
16078 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16079 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16080 point types in AltiVec vectors.
16081 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16082 (rs6000_libcall_value): Likewise.
16084 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16086 * config/xtensa/ieee754-df.S: New file.
16087 * config/xtensa/ieee754-sf.S: New file.
16088 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16089 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16090 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16092 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16094 * config/sh/predicates.md (binary_float_operator,
16095 binary_logical_operator, commutative_float_operator,
16096 equality_comparison_operator, greater_comparison_operator,
16097 less_comparison_operator, logical_operator,
16098 noncommutative_float_operator, shift_operator,
16099 symbol_ref_operand, unary_float_operator): Remove redundant
16102 2006-01-09 Jeff Law <law@redhat.com>
16104 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16105 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16106 now unused arguments. Callers updated.
16107 (eliminate_redundant_computations): Remove now unused arguments,
16109 (local_fold): Remove, no longer used.
16110 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16112 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16113 (simplify_cond): New function.
16114 (forward_propagate_into_cond): Call simplify_cond.
16116 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16118 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16119 (*vec_extractv2di_1_sse): New.
16121 2006-01-09 Ben Elliston <bje@au.ibm.com>
16123 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16125 2006-01-08 Richard Guenther <rguenther@suse.de>
16127 * tree-ssa-structalias.c (get_constraint_for): Remove
16128 anyoffset argument.
16129 (get_constraint_for_component_ref): Likewise.
16130 (do_deref): Likewise.
16131 (get_constraint_for): Likewise.
16132 (do_structure_copy): Likewise.
16133 (handle_ptr_arith): Likewise.
16134 (find_func_aliases): Likewise. Remove unused need_anyoffset
16137 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16138 Kaz Kojima <kkojima@gcc.gnu.org>
16140 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16141 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16142 (EXTRA_CONSTRAINT_C16): Remove.
16143 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16144 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16145 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16146 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16147 constants of SHmedia. Handle nested constant expressions of
16149 (andcosts): Fix the costs for SHmedia constants.
16150 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16151 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16152 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16153 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16154 (movv4hi_i, movv2si_i): Likewise.
16155 (movsi_const): Adjust the second operand of ior so to match with
16156 the Csu constraint.
16157 (movdi_const, movdi_const_32bit): Likewise.
16158 (movdi_const_16bit+1): Don't sign-extend LOW.
16159 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16161 (*double_shori): Fix the split condition. Use GEN_INT instead
16162 of get_int_mode calls. Mask lower 16-bit of the argument of
16164 (sym2GOTPLT): Remove.
16165 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16167 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16168 instead of EXTRA_CONSTRAINT_C16.
16170 2006-01-07 Ian Lance Taylor <ian@airs.com>
16171 David Edelsohn <edelsohn@gnu.org>
16173 PR rtl-optimization/25662
16174 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16175 for constant operands instead of simplify_gen_binary.
16176 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16177 after trying simplify_binary_operation
16179 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16181 * tree.c (iterative_hash_expr): Hash decls based on UID.
16183 2006-01-06 Eric Christopher <echristo@apple.com>
16185 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16186 (TARGET_UNWIND_EMIT): Fix spelling.
16187 * target.h (gcc_target): Add except_table_label.
16188 * except.c (output_function_exception_table): Use.
16189 * varasm.c (default_emit_except_table_label): New.
16190 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16192 (asm_out): Add here.
16193 * output.h (default_emit_except_table_label): Prototype.
16194 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16195 * config/darwin.c (darwin_emit_except_table_label): Define.
16196 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16198 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16200 PR tree-optimization/18527
16201 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16202 number_of_iterations_special, number_of_iterations_exit):
16203 Move base and step of an iv to a single structure. Add
16204 no_overflow flag, and use it in # of iterations analysis.
16205 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16206 folded_casts argument.
16207 (simple_iv): Pass base and step in a structure. Set no_overflow
16209 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16210 Evaluate expensiveness of computing # of iterations instead of
16211 the final expression.
16212 * tree-scalar-evolution.h (affine_iv): New structure.
16213 (simple_iv): Declaration changed.
16214 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16215 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16216 find_givs_in_stmt): Changed due to simple_iv change.
16218 2006-01-06 Jeff Law <law@redhat.com>
16221 * tree-cfg.c (bsi_replace): Rename final argument from
16222 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16223 change (stmt -> orig_stmt).
16224 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16225 (bsi_remove): Add new argument. Remove EH information
16227 (verify_eh_throw_table_statements): New function.
16228 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16230 * tree-optimize.c (execute_free_cfg_annotations): Verify
16231 the EH throw statement table after removing annotations.
16232 * except.h (verify_eh_throw_table_statements): Prototype.
16233 * tree-flow.h (bsi_remove): Update prototype.
16234 * tree-vrp.c (remove_range_assertions): Add new argument to
16236 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16237 * tree-complex.c (expand_complex_div_wide): Likewise.
16238 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16239 * tree-tailcall.c (eliminate_tailcall): Likewise.
16240 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16241 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16242 * tree-nrv.c (tree_nrv): Likewise.
16243 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16244 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16245 (combine_blocks): Likewise.
16246 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16247 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16248 (cleanup_control_flow): Likewise.
16249 (remove_forwarder_block): Likewise.
16250 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16251 * tree-sra.c (sra_replace): Likewise.
16252 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16253 (forward_propagate_single_use_vars): Likewise.
16254 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16255 * tree-inline.c (expand_call_inline): Likewise.
16256 * tree-vect-transform.c (vect_transform_loop): Likewise.
16257 * tree-outof-ssa.c (rewrite_trees): Likewise.
16258 * tree-cfg.c (make_goto_expr_edges): Likewise.
16259 (cleanup_dead_labels): Likewise.
16260 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16261 (bsi_move_before, bsi_move_after): Likewise.
16262 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16263 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16265 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16268 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16270 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16271 on non gimple variables. Also add checks at the top for decls and
16273 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16275 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16276 and IMAGPART_EXPR for creating MUST_DEFs.
16277 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16278 and NAME_MEMORY_TAG separately from the DECLs.
16280 2006-01-06 Richard Guenther <rguenther@suse.de>
16282 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16283 annotation, if necessary.
16284 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16285 redundant calls to update_stmt.
16286 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16289 2006-01-05 Richard Henderson <rth@redhat.com>
16291 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16293 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16295 * c-typeck.c: Update copyright date.
16297 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16299 * c-typeck.c (build_c_cast): Always warn when casting
16300 from a pointer to an integer of different size, even if
16301 the node was constant.
16303 2006-01-05 Richard Guenther <rguenther@suse.de>
16305 PR tree-optimization/22555
16306 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16307 if one structure field is an array.
16308 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16309 operands even if we found a subvar, but ignore VOPs in this
16311 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16313 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16315 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16317 PR middle-end/24998
16318 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16320 2006-01-05 Richard Guenther <rguenther@suse.de>
16321 Diego Novillo <dnovillo@redhat.com>
16323 * tree-pass.h (TODO_remove_unused_locals): Define.
16324 * gimple-low.c (expand_var_p, remove_useless_vars,
16325 pass_remove_useless_vars): Remove. Update all users.
16326 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16327 (remove_unused_locals): New function.
16328 * tree-flow.h (remove_unused_locals): Declare.
16329 * passes.c (execute_todo): Call remove_unused_locals if
16330 TODO_remove_unused_locals is set.
16331 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16332 * tree-ssa-dce.c (pass_dce): Likewise.
16333 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16335 2006-01-05 Richard Guenther <rguenther@suse.de>
16337 * tree-flow.h (struct fieldoff): Decompose field to
16338 type, size and decl.
16339 * tree-ssa-alias.c (create_sft): Take type as parameter.
16340 (create_overlap_variables_for): Store type, size and decl
16341 in the fieldoff structure.
16342 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16343 of struct fieldoff.
16344 (push_fields_onto_fieldstack): Likewise.
16345 (create_variable_info_for): Likewise. Use offset for the
16346 SFT name if the decl is not available.
16348 2006-01-04 Paul Brook <paul@codesourcery.com>
16350 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16352 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16354 * lambda-code.c (can_put_in_inner_loop): Relax
16356 (can_put_after_inner_loop): New function.
16357 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16358 (perfect_nestify): Change to make copies and modify uses.
16360 2006-01-04 Richard Henderson <rth@redhat.com>
16362 Merge from gomp branch:
16363 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16364 via integer constant.
16365 (pragma_lex): Remove.
16366 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16367 rather than parsing it.
16368 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16369 handle_pragma_extern_prefix): Add %< %> quotes.
16370 (registered_pragmas): New.
16371 (c_register_pragma_1): New.
16372 (c_register_pragma): Use it.
16373 (c_register_pragma_with_expansion): Likewise.
16374 (c_invoke_pragma_handler): New.
16375 (init_pragma): Use cpp_register_deferred_pragma directly for
16377 * c-pragma.h (enum pragma_kind): New.
16378 (pragma_handler): New.
16379 (c_invoke_pragma_handler): Declare.
16380 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16382 * c-common.h (c_common_pch_pragma): Update decl.
16383 * Makefile.in (c-parser.o): Update dependencies.
16384 (GTFILES): Add c-pragma.h.
16385 * c-parser.c (struct c_token): Add pragma_kind.
16386 (struct c_parser): Add in_pragma.
16387 (c_lex_one_token): Always initialize keyword and pragma_kind.
16388 Extract data for CPP_PRAGMA.
16389 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16390 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16391 Don't allow CPP_PRAGMA_EOL if in_pragma.
16392 (c_parser_consume_pragma): New.
16393 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16394 (c_parser_skip_to_end_of_parameter): Likewise.
16395 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16396 (c_parser_skip_to_pragma_eol): New.
16397 (c_parser_external_declaration): Handle CPP_PRAGMA.
16398 (c_parser_compound_statement_nostart): Likewise.
16399 (c_parser_statement_after_labels): Likewise.
16400 (c_parser_pragma): New.
16401 (pragma_lex): Likewise.
16402 (c_parser_pragma_pch_preprocess): New.
16403 (c_parser_new): Merge into ...
16404 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16406 2006-01-04 Jeff Law <law@redhat.com>
16409 * tree-cfg.c (bsi_replace): Remove the original statement
16410 from the EH throw statement table.
16412 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16414 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16415 make the prototype extern "C" and add throw ().
16418 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16419 and pos non-negative and pos + len <= 32.
16420 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16421 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16422 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16425 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16426 as well as sizes not multiple of component size.
16429 * function.c (instantiate_expr): New function.
16430 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16431 walk its DECL_VALUE_EXPR with instantiate_expr.
16433 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16434 DW_OP_deref{,_size} if address isn't going to be added.
16436 2006-01-04 Ben Elliston <bje@au.ibm.com>
16438 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16439 * config/fp-bit.c: Likewise.
16441 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16443 * dominance.c: Add comment about why we use DFS numbering
16446 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16447 Richard Henderson <rth@redhat.com>
16449 Merge from gomp-branch:
16450 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16451 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16453 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16455 PR rtl-optimization/25578
16456 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16457 pass a parameter to simplify_shift_const if changing ASHIFTRT
16460 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16462 * builtins.c (get_builtin_sync_mem): New function.
16463 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16464 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16465 Call get_builtin_sync_mem to generate mem rtx.
16467 2006-01-03 Richard Guenther <rguenther@suse.de>
16470 * stmt.c (add_case_node): Make sure to clear overflow flags
16473 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16475 Merge from gomp-branch.
16476 * config/sparc/sync.md: New file.
16477 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16478 UNSPECV_LDSTUB): New constants.
16479 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16480 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16481 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16484 2006-01-03 Roger Sayle <roger@eyesopen.com>
16486 * combine.c (reg_subword_p): New predicate to test whether the
16487 destination of a set refers to a subword/piece of a register.
16488 (try_combine): Generalize the code to merge the setting of a
16489 pseudo to a constant followed by a set of a subword of that
16490 register to a constant.
16492 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16494 * basic-block.h (control_flow_graph): Change the type of
16495 x_label_to_block_map to VEC(basic_block,gc) *.
16496 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16497 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16499 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16500 VEC(basic_block,heap) *.
16501 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16502 ssa_prop_fini): Adjust the uses of cfg_blocks.
16504 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16506 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16508 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16509 hashing trees instead of a pointer hash.
16510 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16511 compare for MEM_EXPR.
16513 PR rtl-optimization/25130
16514 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16515 when comparing MEMs for GCSE
16517 2006-01-03 Ben Elliston <bje@au.ibm.com>
16519 * targhooks.h (default_decimal_float_supported_p): Declare.
16520 * targhooks.c (default_decimal_float_supported_p): Define.
16521 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16522 `default_decimal_float_supported_p'.
16523 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16525 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16527 * combine.c (apply_distributive_law <SUBREG>): Check
16528 TRULY_NOOP_TRUNCATION.
16530 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16532 * dwarf2out.c (have_switched_text_section): Delete.
16533 (have_multiple_function_sections): New.
16534 (have_location_lists): Make 'bool'.
16535 (add_AT_loc_list): Use 'true' not '1'.
16536 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16537 (output_loc_list): Use have_multiple_function_sections.
16538 (output_ranges): Likewise.
16539 (dwarf2out_begin_function): Set have_multiple_function_sections if
16541 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16542 Check function_section rather than DECL_SECTION_NAME.
16543 (dwarf2out_finish): Use have_multiple_function_sections.
16544 Don't clear have_location_lists.
16546 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16547 Jan Hubicka <jh@suse.cz>
16549 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16550 case of conditional jump jumping to the next instruction.
16551 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16552 cases of conditional jump jumping to the next instruction.
16554 2006-01-02 Jan Hubicka <jh@suse.cz>
16556 * i386.c (*_cost): Add COSTS_N_INSNS.
16557 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16559 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16562 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16564 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16566 * config/arm/arm.c (all_fpus): Fix comment typo.
16567 * config/darwin.c: Likewise.
16568 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16569 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16570 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16572 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16574 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16575 (rs6000_split_compare_and_swapqhi): New.
16576 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16577 (sync_compare_and_swapqhi_internal): New.
16578 * config/rs6000/rs6000-protos.h: Declare.