1 2006-10-27 Jan Hubicka <jh@suse.cz>
3 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4 to be thrown away soon when IGNORE is set.
5 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6 indicating when return value shall not be computed.
7 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
9 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
11 * config/i386/i386.h (TARGET_GEODE):
12 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
13 (TARGET_CPU_DEFAULT_geode): New macro.
14 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
15 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
16 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
17 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
18 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
20 (TARGET_CPU_DEFAULT_NAMES): Add geode.
21 (processor_type): Add PROCESSOR_GEODE.
23 * config/i386/i386.md: Include geode.md.
26 * config/i386/i386.c (geode_cost): New initialized global
28 (m_GEODE, m_K6_GEODE): New macros.
29 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
30 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
31 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
32 x86_schedule): Use m_K6_GEODE instead of m_K6.
33 (x86_movx, x86_cmove): Set up m_GEODE.
34 (x86_integer_DFmode_moves): Clear m_GEODE.
35 (processor_target_table): Add entry for geode.
36 (processor_alias_table): Ditto.
38 * config/i386/geode.md: New file.
40 * doc/invoke.texi: Add entry about geode processor.
42 2006-10-27 Mike Stump <mrs@apple.com>
44 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
45 __DYNAMIC__ from here back to ...
46 * config/darwin.h (CPP_SPEC): ... here.
48 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
49 Nathan Sidwell <nathan@codesourcery.com>
51 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
52 when choosing the minimum heapsize.
54 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
56 * gcc/unwind-dw2.h: Move cfa-related variables into
57 struct frame_state_reg_info to ensure that the CFA is properly
58 handled when executing DW_CFA_{remember,restore}_state.
59 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
60 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
61 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
62 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
63 gcc/config/rs6000/linux-unwind.h,
64 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
65 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
66 Modify to use new cfa_* fields.
68 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
70 * config/s390/s390.c (s390_init_frame_layout): Check positive
73 2006-10-26 Ben Elliston <bje@au.ibm.com>
75 * gimplify.c (get_name): Remove extraneous break.
76 (gimplify_omp_for): Initialise ret with GS_OK.
78 2006-10-25 Steve Ellcey <sje@cup.hp.com>
80 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
81 Add unix98.o to link line.
83 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
86 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
87 Calculate compile-time constants using MPFR.
88 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
89 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
91 2006-10-25 Bob Wilson <bob.wilson@acm.org>
93 * config/xtensa/lib2funcs.S: Use C-style comments.
95 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
97 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
98 (file_table_relative_p): Likewise.
99 (dwarf2out_finish): Likewise.
100 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
102 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
104 * tree-ssa-structalias.c (intra_create_variable_infos):
105 Don't recreate nonlocal_all if it already exists.
107 2006-10-25 Richard Guenther <rguenther@suse.de>
110 * optabs.h (enum optab_index): Remove OTI_lrint.
111 (enum convert_optab_index): Add COI_lrint.
112 (lrint_optab): Adjust.
113 (expand_sfix_optab): Declare.
114 * optabs.c (expand_sfix_optab): New function.
115 (init_optabs): Init lrint_optab as conversion optab.
116 * genopinit.c (lrint_optab): Change to a conversion optab.
117 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
118 expansion via conversion optab.
119 * config/i386/i386.md (*fistdi2_1): Remove
120 flag_unsafe_math_optimizations guard.
121 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
122 fist<mode>2_with_temp): Likewise.
123 (lrint<mode>2): Split into...
124 (lrintxf<mode>2): ... x87 part
125 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
126 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
127 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
128 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
129 * doc/md.texi (lrintMN2): Document.
131 2006-10-25 Uros Bizjak <uros@kss-loka.si>
134 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
135 Use inc and dec instructions for TARGET_USE_INCDEC.
136 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
137 ("sync_double_compare_and_swap<mode>"): Likewise.
138 ("*sync_double_compare_and_swapdi_pic"): Likewise.
139 ("*sync_compare_and_swap_cc<mode>"): Likewise.
140 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
141 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
142 ("sync_old_add<mode>"): Likewise.
143 ("sync_lock_test_and_set<mode>"): Likewise.
144 ("sync_lock_test_and_set<mode>"): Likewise.
145 ("sync_add<mode>"): Likewise.
146 ("sync_sub<mode>"): Likewise.
147 ("sync_ior<mode>"): Likewise.
148 ("sync_and<mode>"): Likewise.
149 ("sync_xor<mode>"): Likewise.
151 2006-10-25 Uros Bizjak <uros@kss-loka.si>
153 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
154 (remainder_optab): Define corresponding macro.
155 (drem_optab): Remove.
156 * optabs.c (init_optabs): Initialize remainder_optab. Remove
157 drem_optab initialization.
158 * genopinit.c (optabs): Implement remainder_optab using
159 remainder?f3 patterns. Remove drem_optab.
160 * builtins.c (expand_builtin_mathfn_2): Handle
161 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
162 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
163 expand_builtin_mathfn_2.
165 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
166 depend on flag_unsafe_math_optimizations.
168 * config/i386/i386.md ("remaindersf3", "remainderdf3")
169 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
170 Do not depend on flag_unsafe_math_optimizations. Use
171 truncxf?f expander instead of truncxf?f_i387_noop.
173 ("fpremxf4", "fprem1xf4"): Do not depend on
174 flag_unsafe_math_optimizations.
175 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
176 flag_unsafe_math_optimizations. Use truncxf?f expander
177 instead of truncxf?f_i387_noop.
179 * doc/md.texi (fmod, remainder): Document standard named pattern.
181 2006-10-24 Richard Sandiford <richard@codesourcery.com>
182 David Daney <ddaney@avtrex.com>
185 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
187 2006-10-25 Ben Elliston <bje@au.ibm.com>
189 * doc/extend.texi (Variable Attributes): Typo fix.
191 2006-10-24 Uros Bizjak <uros@kss-loka.si>
193 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
194 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
195 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
196 (FRAME_POINTER_REGNUM): Update register number to 21.
197 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
198 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
200 * config/i386/i386.c (regclass_map): Add fpcr entry.
201 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
203 (print_reg): Assert REGNO (x) != FPCR_REG.
205 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
206 (DIRFLAG_REG): Renumber.
207 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
208 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
209 (sse_prologue_save, *sse_prologue_save_insn): Renumber
210 hardcoded SSE register numbers.
212 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
213 hardcoded MMX register numbers.
215 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
218 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
219 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
221 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
222 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
223 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
224 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
226 2006-10-24 Richard Guenther <rguenther@suse.de>
229 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
230 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
231 for deciding optimizations in consistency with fold-const.c
232 (fold_builtin_unordered_cmp): Likewise.
234 2006-10-24 Richard Guenther <rguenther@suse.de>
236 * builtins.c (fold_builtin_floor): Fold floor (x) where
237 x is nonnegative to trunc (x).
238 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
239 nonnegative to FIX_TRUNC_EXPR.
241 2006-10-24 Richard Guenther <rguenther@suse.de>
243 PR tree-optimization/29567
244 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
245 for TRUTH_NOT_EXPR. Clarify comments.
247 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
250 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
251 at compile-time using MPFR. Change parameter VALUE to FUNC,
253 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
254 for overflow and underflow at all times and avoid folding in
257 2006-10-24 Ben Elliston <bje@au.ibm.com>
259 * reload1.c: Formatting fixes.
261 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
263 PR tree-optimization/14784
264 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
265 * tree-ssa-structalias.c (get_constraint_for,
266 intra_create_variable_infos): Set is_heapvar.
267 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
268 non-heapvar pointer variables specially.
270 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
273 * builtins.c (fold_builtin_sin, fold_builtin_cos,
274 fold_builtin_tan): Fold all constant arguments. Take a "type"
275 argument as necessary.
277 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
279 2006-10-23 Bob Wilson <bob.wilson@acm.org>
281 * config/xtensa/lib1funcs.asm: Use C-style comments.
283 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
285 * tree.c (local_define_builtin): Replace calls to
286 lang_hooks.builtin_function with add_builtin_function.
287 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
289 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
291 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
292 common code to add_builtin_function.
293 * langhooks.c (add_builtin_function): New function.
294 (lhd_builtin_function): New function.
295 * langhooks.h (struct lang_hooks): Change the signature of
297 (add_builtin_function): New function.
298 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
299 calls to lang_hooks.builtin_function with add_builtin_function.
300 * c-common.c (decl_builtin_1): Replace calls to
301 lang_hooks.builtin_function with add_builtin_function.
302 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
303 lang_hooks.builtin_function with add_builtin_function.
304 * config/frv/frv.c (def_builtin): Replace calls to
305 lang_hooks.builtin_function with add_builtin_function.
306 * config/s390/s390.c (s390_init_builtins): Replace calls to
307 lang_hooks.builtin_function with add_builtin_function.
308 * config/sparc/sparc.c (def_builtin): Replace calls to
309 lang_hooks.builtin_function with add_builtin_function.
310 * config/i386/i386.c (def_builtin): Replace calls to
311 lang_hooks.builtin_function with add_builtin_function.
312 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
313 lang_hooks.builtin_function with add_builtin_function.
314 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
315 lang_hooks.builtin_function with add_builtin_function.
316 * config/stormy16/stormy16.c (xstormy16_init_builtins):
317 Replace calls to lang_hooks.builtin_function with
318 add_builtin_function.
319 * config/iq2000/iq2000.c (def_builtin):
320 Replace calls to lang_hooks.builtin_function with
321 add_builtin_function.
322 * config/ia64/ia64.c (def_builtin): Replace calls to
323 lang_hooks.builtin_function with add_builtin_function.
324 * config/rs6000/rs6000.c (def_builtin): Replace calls to
325 lang_hooks.builtin_function with add_builtin_function.
326 (altivec_init_builtins): Replace calls to
327 lang_hooks.builtin_function with add_builtin_function.
328 * config/arm/arm.c (def_mbuiltin): Replace calls to
329 lang_hooks.builtin_function with add_builtin_function.
330 (arm_init_tls_builtins): Replace calls to
331 lang_hooks.builtin_function with add_builtin_function.
332 * config/mips/mips.c (mips_init_builtins): Replace calls to
333 lang_hooks.builtin_function with add_builtin_function.
334 * config/bfin/bfin.c (def_builtin): Replace calls to
335 lang_hooks.builtin_function with add_builtin_function.
336 * langhooks-def.h (lhd_builtin_function): New function.
337 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
339 2006-10-23 Jakub Jelinek <jakub@redhat.com>
341 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
342 BUILT_IN_STRNCAT_CHK.
344 2006-10-23 Jan Hubicka <jh@suse.cz>
346 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
347 don't do conversion from memmove to memcpy here.
348 (expand_builtin_bcopy, expand_builtin): Update call of
349 expand_builtin_memmove.
350 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
352 2006-10-23 Paul Brook <paul@codesourcery.com>
354 * stor-layout.c (start_record_layout): maximum_field_alignment
355 overrides STRUCTURE_SIZE_BOUNDARY.
357 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
359 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
360 nonlocal function symbols if flag_pic.
362 2006-10-23 Richard Guenther <rguenther@suse.de>
366 * builtins.c (fold_binary): Remove checks for flag_wrapv
367 and flag_trapv where negate_expr_p covers these cases.
369 2006-10-23 Richard Guenther <rguenther@suse.de>
372 * fold-const.c (fold_plusminus_mult_expr): Check exact power
373 of two on the absolute value.
374 (fold_binary): Fold x * -C to -x * C if x is easily negatable
375 and negating -C does not overflow.
377 2006-10-23 Richard Guenther <rguenther@suse.de>
380 * convert.c (convert_to_real): Fold (float)-x to -(float)x
381 only if not flag_rounding_math.
383 2006-10-22 Richard Sandiford <richard@codesourcery.com>
384 Kaz Kojima <kkojima@gcc.gnu.org>
387 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
388 SImode memory reference for the source of a movua.
389 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
390 (movua): Use an unspec instead of sign_extract. Expect the source
391 to have mode BLKmode.
392 (extv, insv): Use a BLKmode rather than SImode memory reference
393 for the source of a movua.
395 2006-10-22 Jeff Law <law@redhat.com>
396 Richard Guenther <rguenther@suse.de>
398 PR tree-optimization/15911
399 * tree-vrp.c (extract_code_and_val_from_cond): New function.
400 (register_edge_assert_for_1): Likewise.
401 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
402 (find_conditional_asserts): Adjust for new function signature.
403 (find_assert_locations): Likewise.
405 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
407 * config/i386/tmmintrin.h: Remove the duplicated content.
409 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
411 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
412 (x86_64-*-*): Likewise.
414 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
415 (override_options): Check SSSE3.
416 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
417 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
418 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
419 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
420 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
421 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
422 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
423 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
424 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
425 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
426 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
427 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
428 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
429 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
430 IX86_BUILTIN_PABSD128.
431 (bdesc_2arg): Add SSSE3.
432 (bdesc_1arg): Likewise.
433 (ix86_init_mmx_sse_builtins): Support SSSE3.
434 (ix86_expand_builtin): Likewise.
435 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
437 * config/i386/i386.md (UNSPEC_PSHUFB): New.
438 (UNSPEC_PSIGN): Likewise.
439 (UNSPEC_PALIGNR): Likewise.
440 Include mmx.md before sse.md.
442 * config/i386/i386.opt: Add -mssse3.
444 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
445 (ssse3_phaddwv4hi3): Likewise.
446 (ssse3_phadddv4si3): Likewise.
447 (ssse3_phadddv2si3): Likewise.
448 (ssse3_phaddswv8hi3): Likewise.
449 (ssse3_phaddswv4hi3): Likewise.
450 (ssse3_phsubwv8hi3): Likewise.
451 (ssse3_phsubwv4hi3): Likewise.
452 (ssse3_phsubdv4si3): Likewise.
453 (ssse3_phsubdv2si3): Likewise.
454 (ssse3_phsubswv8hi3): Likewise.
455 (ssse3_phsubswv4hi3): Likewise.
456 (ssse3_pmaddubswv8hi3): Likewise.
457 (ssse3_pmaddubswv4hi3): Likewise.
458 (ssse3_pmulhrswv8hi3): Likewise.
459 (ssse3_pmulhrswv4hi3): Likewise.
460 (ssse3_pshufbv16qi3): Likewise.
461 (ssse3_pshufbv8qi3): Likewise.
462 (ssse3_psign<mode>3): Likewise.
463 (ssse3_psign<mode>3): Likewise.
464 (ssse3_palignrti): Likewise.
465 (ssse3_palignrdi): Likewise.
466 (abs<mode>2): Likewise.
467 (abs<mode>2): Likewise.
469 * config/i386/tmmintrin.h: New file.
471 * doc/extend.texi: Document SSSE3 built-in functions.
473 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
475 2006-10-22 Ira Rosen <irar@il.ibm.com>
477 * tree-vect-transform.c (vectorizable_load): Use the type of the
478 return value of the mask_for_load builtin to create realign_load
481 2006-10-22 Richard Sandiford <richard@codesourcery.com>
483 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
486 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
488 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
489 (UNSPEC_LDDQU): This.
490 * config/i386/sse.md (sse3_lddqu): Updated.
492 2006-10-21 Richard Guenther <rguenther@suse.de>
494 * builtins.c (expand_builtin_int_roundingfn_2): New function.
495 (expand_builtin): Use it to expand lrint instead of
496 expand_builtin_mathfn.
498 2006-10-21 Uros Bizjak <uros@kss-loka.si>
501 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
502 flag_unsafe_math_optimizations is set.
504 2006-10-21 Uros Bizjak <uros@kss-loka.si>
507 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
508 patterns to use memory input operand in x87->mem->XMM
509 reload sequences. Skip transformation for TARGET_K8.
511 2006-10-21 Uros Bizjak <uros@kss-loka.si>
513 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
514 force operand1 to register if both operands are memory operands.
515 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
516 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
517 if both operands are memory operands.
518 (truncdfsf2): Do not force operand1 to register if both operands
521 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
523 * Makefile.in (LIBS): Add $(GMPLIBS).
524 * doc/install.texi: Update GMP and MPFR requirements.
525 * doc/sourcebuild.texi (need_gmp): Delete.
527 2006-10-21 Richard Guenther <rguenther@suse.de>
529 PR tree-optimization/3511
530 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
531 got new invariant arguments during PHI translation.
533 2006-10-21 Richard Guenther <rguenther@suse.de>
536 * fold-const.c (fold_comparison): Fold signed comparisons
537 of the form X +- C1 CMP Y +- C2.
539 2006-10-21 Richard Guenther <rguenther@suse.de>
542 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
543 if flag_unsafe_math_optimizations is specified. We have
544 flag_finite_math_only for that.
545 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
546 or flag_unsafe_math_optimizations.
548 2006-10-21 Richard Guenther <rguenther@suse.de>
550 * builtins.c (fold_builtin_classify): Fix typo.
552 2006-10-21 Richard Guenther <rguenther@suse.de>
555 * simplify-rtx.c (simplify_const_relational_operation):
556 Do not constant-fold ORDERED and UNORDERED for
557 flag_unsafe_math_optimizations but only we do not need to
558 honor NaNs for the given mode.
560 2006-10-21 Richard Guenther <rguenther@suse.de>
563 * config/i386/i386.c (classify_argument): Remove redundant
564 walking of the BINFOs.
565 (contains_128bit_aligned_vector_p): Likewise.
567 2006-10-20 Mark Mitchell <mark@codesourcery.com>
569 * BASE-VER: Set to 4.3.0.
571 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
573 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
574 (tree_decl_with_vis): Remove artificial_pta_var flag.
575 * tree-flow.h (referenced_var_check_and_insert): Expose.
576 (nonlocal_all): New prototype.
577 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
578 (nonlocal_all): Make global.
579 (nonlocal_lookup): Remove.
580 (nonlocal_insert): Ditto.
581 (create_nonlocal_var): Do not call nonlocal_insert.
582 (get_nonlocal_id_for_type): Remove.
583 (find_global_initializers): Mark new vars we find for renaming.
584 (intra_create_variable_infos): Only create one nonlocal.
585 (expand_nonlocal_solutions): Remove.
586 (compute_points_to_sets): Don't call it.
587 (ipa_pta_execute): Ditto.
588 (init_alias_heapvars): Don't create nonlocal_for_type.
589 (delete_alias_heapvars): Don't remove it.
590 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
593 2006-10-19 Brooks Moses <bmoses@stanford.edu>
595 * doc/install.texi (Downloading GCC): Clarify mention of
596 Fortran in the "full distribution" description.
598 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
600 Fix PR tree-optimization/28778
601 Fix PR tree-optimization/29156
602 Fix PR tree-optimization/29415
603 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
604 (tree_decl_with_vis): Add artificial_pta_var flag.
605 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
607 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
608 (nonlocal_all): Ditto.
609 (struct variable_info): Add directly_dereferenced member.
610 (var_escaped_vars): New variable.
611 (escaped_vars_tree): Ditto.
612 (escaped_vars_id): Ditto.
613 (nonlocal_vars_id): Ditto.
614 (new_var_info): Set directly_dereferenced.
615 (graph_size): New variable
616 (build_constraint_graph): Use graph_size.
617 (solve_graph): Don't process constraints that cannot change the
618 solution, don't try to propagate an empty solution to our
620 (process_constraint): Set directly_dereferenced.
621 (could_have_pointers): New function.
622 (get_constraint_for_component_ref): Don't process STRING_CST.
623 (nonlocal_lookup): New function.
624 (nonlocal_insert): Ditto.
625 (create_nonlocal_var): Ditto.
626 (get_nonlocal_id_for_type): Ditto.
627 (get_constraint_for): Allow results vector to be empty in the case
629 Handle results of calls properly.
630 (update_alias_info): Update alias info stats on number and type of
632 (find_func_aliases): Use could_have_pointers.
633 (make_constraint_from_escaped): Renamed from
634 make_constraint_to_anything, and changed to make constraints from
636 (make_constraint_to_escaped): New function.
637 (find_global_initializers): Ditto.
638 (create_variable_info_for): Make constraint from escaped to any
639 global variable, and from any global variable to the set of
641 (intra_create_variable_infos): Deal with escaped instead of
642 pointing to anything.
643 (set_uids_in_ptset): Do type pruning on directly dereferenced
645 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
646 (init_base_vars): Fix comment, and initialize escaped_vars.
647 (need_to_solve): Removed.
648 (find_escape_constraints): New function.
649 (expand_nonlocal_solutions): Ditto.
650 (compute_points_to_sets): Call find_escape_constraints and
651 expand_nonlocal_solutions.
652 (delete_points_to_sets): Don't fall off the end of the graph.
653 (init_alias_heapvars): Initialize nonlocal_for_type and
655 (delete_alias_heapvars): Free nonlocal_for_type and null out
658 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
660 * fold-const.c (add_double): Rename to add_double_with_sign.
661 Add 'unsigned_p' parameter and take it into account for the overflow.
662 (mul_double): Rename to mul_double_with_sign.
663 Add 'unsigned_p' parameter and take it into account for the overflow.
664 (fold_div_compare): Call add_double_with_sign instead of add_double
665 and mul_double_with_sign instead of mul_double, passing them the
666 unsignedness of the type.
667 * tree.h (add_double): Macroize.
668 (add_double_with_sign): New prototype.
669 (mul_double): Macroize.
670 (mul_double_with_sign): New prototype.
672 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
674 * config/score/crti.asm: New file.
675 * config/score/crtn.asm: New file.
676 * config/score/elf.h: New file.
677 * config/score/mac.md: New file.
678 * config/score/misc.md: New file.
679 * config/score/mul-div.S: New file.
680 * config/score/predicates.md: New file.
681 * config/score/score7.md: New file.
682 * config/score/score.c: New file.
683 * config/score/score-conv.h: New file.
684 * config/score/score.h: New file.
685 * config/score/score.md: New file.
686 * config/score/score-mdaux.c: New file.
687 * config/score/score-mdaux.h: New file.
688 * config/score/score-modes.def: New file.
689 * config/score/score.opt: New file.
690 * config/score/score-protos.h: New file.
691 * config/score/score-version.h: New file.
692 * config/score/t-score-elf: New file.
693 * config.gcc: Add score*-*-* configurations(Update before).
694 * doc/invoke.texi (Score Options): New section.
695 * doc/md.texi (Score family): New section to document constraints.
697 2006-10-19 Nick Clifton <nickc@redhat.com>
699 * config/arm/arm.c: Fix spelling typo.
701 2006-10-18 Tom Tromey <tromey@redhat.com>
703 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
705 2006-10-18 Jan Hubicka <jh@suse.cz>
708 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
711 2006-10-18 Marcin Dalecki <martin@dalecki.de>
713 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
714 TSI_SAME_STMT, since that's the desired entity.
716 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
718 * config/s390/contraints.md: New file.
719 * config/s390/s390-protos.h (s390_mem_constraint,
720 s390_O_constraint_str, s390_N_constraint_str,
721 s390_float_const_zero_p): Function prototypes added.
722 * config/s390/s390.c (s390_extra_constraint_str,
723 s390_const_double_ok_for_constraint_p,
724 s390_const_ok_for_constraint_p): Functions removed.
725 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
726 s390_float_const_zero_p): New functions.
727 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
728 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
729 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
730 Macro definitions removed.
731 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
732 s390_extra_constraint_str): Functions removed.
734 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
735 Richard Sandiford <richard@codesourcery.com>
738 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
739 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
741 2006-10-16 Geoffrey Keating <geoffk@apple.com>
743 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
744 (DWARF2_FRAME_REG_OUT): Likewise.
745 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
746 (DWARF2_FRAME_REG_OUT): Likewise.
748 2006-10-17 Paul Brook <paul@codesourcery.com>
750 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
752 2006-10-16 Brooks Moses <bmoses@stanford.edu>
754 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
755 Standardize on "GNU Fortran" as the official name of the Fortran
758 2006-10-16 Mike Stump <mrs@apple.com>
760 * doc/invoke.texi (Darwin Options): Document -mkernel.
761 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
763 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
764 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
765 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
766 (OS_MISSING_ALTIVEC): Add.
767 * config/i386/i386.c (override_options): Add
768 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
769 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
770 -mkernel, -static or -mdynamic-no-pic is given.
771 (C_COMMON_OVERRIDE_OPTIONS): Add.
772 * config/darwin.opt (fapple-kext): Add.
774 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
775 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
777 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
778 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
779 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
780 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
781 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
783 (flag_apple_kext): Add.
784 (TARGET_KEXTABI): Add.
785 * config/darwin.c (darwin_handle_kext_attribute): Add.
786 (DARWIN_VTABLE_P): Add.
787 (darwin_binds_local_p): Add partial support for rebinding vtables
789 (darwin_kextabi_p): Add.
790 (darwin_override_options): Add.
791 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
792 (darwin_kextabi_p): Add.
793 (darwin_override_options): Add.
794 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
795 __DYNAMIC__ and __STATIC__ here.
797 2006-10-16 Brooks Moses <bmoses@stanford.edu>
799 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
800 Added mention of "make pdf" target, and Texinfo requirements for
803 2006-10-16 DJ Delorie <dj@redhat.com>
805 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
806 into the GOT in case we need a subreg of the address.
808 2006-10-16 Richard Guenther <rguenther@suse.de>
811 * doc/extend.texi (X86 Built-in Functions): Fix typos in
812 SSE builtin documentation. Document SSE2 builtins.
814 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
816 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
817 symbol in the output file for non-shared links when -nostdlib or
818 -nodefaultlibs isn't specified.
820 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
821 posix thread support.
823 2006-10-15 Jan Hubicka <jh@suse.cz>
826 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
827 declared always_inline even when not inlining.
829 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
830 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
831 Andrew Pinski <pinskia@gmail.com>
834 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
836 2006-10-15 Jan Hubicka <jh@suse.cz>
837 Richard Guenther <rguenther@suse.de>
840 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
841 process_function_and_variable_attributes on all variables, including
842 those discovered during cgraph construction phase.
844 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
846 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
848 2006-10-14 Uros Bizjak <uros@kss-loka.si>
850 * config/i386/athlon.md (athlon_fist): Add fisttp.
852 2006-10-13 David Edelsohn <edelsohn@gnu.org>
853 Ian Lance Taylor <ian@airs.com>
856 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
857 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
860 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
862 * config/score/score.c, config/score/score.h: Fix comment
865 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
868 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
871 2006-10-13 Eric Christopher <echristo@apple.com>
873 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
875 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
878 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
879 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
880 alignment supported by 32-bit ELF.
882 2006-10-13 Eric Christopher <echristo@apple.com>
884 * config/darwin.c (darwin_emit_unwind_label): Strip
885 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
887 2006-10-13 Richard Guenther <rguenther@suse.de>
889 PR tree-optimization/29446
890 * tree-vrp.c (fix_equivalence_set): Remove.
891 (extract_range_from_assert): Do not call fix_equivalence_set.
892 (debug_value_range): Print a newline.
893 (compare_name_with_value): For equivalence sets with
894 inconsistent value ranges conservatively bail out.
895 (compare_names): Likewise.
897 2006-10-13 David Edelsohn <edelsohn@gnu.org>
899 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
900 and MPFR for gfortran.
902 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
904 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
905 alignment supported by 32-bit ELF.
907 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
911 * c-typeck.c (digest_init): Always allow initializing vectors
912 that have static storage duration with compound literals.
913 * tree.c (build_type_attribute_qual_variant): New, based on
914 build_type_attribute_variant.
915 (build_type_attribute_variant): Rewrite using the former.
916 (make_vector_type): Use build_type_attribute_qual_variant to build
917 type variants. Use type_hash_canon on the others.
919 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
920 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
922 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
924 2006-10-12 Jan Hubicka <jh@suse.cz>
927 * c-decl.c (c_make_fname_decl): Do not segfault in case where
928 current_function_decl is set but current_function_scope is not.
930 2006-10-12 Jie Zhang <jie.zhang@analog.com>
932 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
933 emit_insn to emit eh_return_internal instruction.
934 (eh_return_internal): Explicitly set pc.
936 2006-10-11 Richard Guenther <rguenther@suse.de>
938 PR tree-optimization/28230
939 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
940 to the correct place.
942 2006-10-11 Richard Guenther <rguenther@suse.de>
945 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
948 2006-10-10 Brooks Moses <bmoses@stanford.edu>
950 * configure.ac: Added pdf to "Make-hooks"
951 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
952 targets and *.pdf file patterns in cleanup targets.
953 * configure: Regenerated.
955 2006-10-10 Anatoly Sokolov <aesok@post.ru>
957 * config/avr/predicates.md: New file.
958 * config/avr/avr.md: Include it.
959 (REG_SP): New constant.
960 (peepholes): Use predicates.
961 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
962 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
963 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
965 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
967 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
970 2006-10-10 Jakub Jelinek <jakub@redhat.com>
973 * builtins.c (var_decl_component_p): New function.
974 (fold_builtin_memset, fold_builtin_memory_op): Restrict
975 single entry optimization to variables and components thereof.
977 2006-10-10 Richard Guenther <rguenther@suse.de>
979 PR rtl-optimization/29323
980 * except.c (set_nothrow_function_flags): For functions
981 that do not bind local bail out early.
983 2006-10-10 Ben Elliston <bje@au.ibm.com>
985 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
988 2006-10-09 Richard Henderson <rth@redhat.com>
992 2006-10-09 Richard Guenther <rguenther@suse.de>
995 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
998 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1001 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1002 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1003 * configure: Regenerate.
1004 * config.in: Regenerate.
1006 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1008 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1010 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1012 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1013 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1014 Remove stray newline.
1016 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1018 * config/mips/mips.c (mips_classify_symbol): Do not return
1019 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1020 (mips_in_small_data_p): Tweak comments.
1022 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1024 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1026 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1028 * gimplify.c, sched-int.h: Fix comment typos.
1030 * sched-int.h: Fix comment typos.
1032 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1034 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1036 * sched-ebb.c (begin_schedule_ready): Use them.
1037 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1038 add_to_speculative_block, create_check_block_twin, speculate_insn,
1039 fix_jump_move, move_block_after_check): Ditto.
1040 * sched-rgn.c (new_ready): Ditto.
1042 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1044 PR rtl-optimization/29128
1045 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1046 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1047 allow interblock movement of speculation checks.
1049 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1052 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1053 casted to integer type.
1054 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1055 if they are significantly more expensive than [reg + index] ones.
1057 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1059 PR tree-optimization/29330
1060 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1061 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1062 on newly allocated ddrs.
1063 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1064 to VEC (loop_p, heap) pointer.
1065 (compute_data_dependences_for_loop): Adjust caller.
1066 (free_dependence_relations): Free DDR_LOOP_NEST.
1068 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1069 free DEPENDENCE_RELATIONS and DATAREFS.
1072 * builtins.c (expand_builtin_sync_operation,
1073 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1074 Use convert_to_mode to handle promoted arguments.
1076 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1078 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1080 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1082 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1084 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1086 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1087 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1088 Use <modeconstraint> instead of "r" as operand 1 constraint.
1090 2006-10-06 Olivier Hainque <hainque@adacore.com>
1092 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1093 Don't recurse on the pointed-to type.
1094 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1095 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1096 types with components of variable size.
1098 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1100 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1102 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1104 PR tree-optimization/29290
1105 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1109 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1110 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1113 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1114 the number of vector elements fill the rest with zeros.
1116 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1118 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1119 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1122 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1124 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1125 unnamed pattern into subsi3. Use correct constraints/predicates.
1126 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1127 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1129 2006-10-05 Ira Rosen <irar@il.ibm.com>
1131 * doc/loop.texi: Add data references analysis description.
1133 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1135 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1137 2006-10-04 Richard Henderson <rth@redhat.com>
1138 Jakub Jelinek <jakub@redhat.com>
1140 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1141 * builtin-types.def (BT_WORD): Make unsigned.
1142 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1143 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1144 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1145 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1146 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1147 * cgraph.c (decide_is_variable_needed): Look at force_output.
1148 Recurse for emulated tls.
1149 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1150 checks redundant with decide_is_variable_needed.
1151 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1152 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1154 * expr.c (emutls_var_address): New.
1155 (expand_expr_real_1): Expand emulated tls.
1156 (expand_expr_addr_expr_1): Likewise.
1157 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1158 * output.h (emutls_finish): Declare.
1159 * toplev.c (compile_file): Call it.
1160 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1161 address before wrapping in CONST.
1162 * varasm.c (emutls_htab, emutls_object_type): New.
1163 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1164 (get_emutls_object_name, get_emutls_object_type): New.
1165 (get_emutls_init_templ_addr, emutls_decl): New.
1166 (emutls_common_1, emutls_finish): New.
1167 (assemble_variable): When emulating tls, swap decls; generate
1168 constructor for the emutls objects.
1169 (do_assemble_alias): When emulating tls, swap decl and target name.
1170 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1172 * emutls.c: New file.
1173 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1174 tls_object for real tls.
1176 2006-10-04 Zack Weinberg <zackw@panix.com>
1178 Fix bug in constraint-check generator, reported by Rask Ingemann
1180 * genpreds.c (add_constraint): Don't remove anything from the
1182 (write_tm_constrs_h): Detect whether "op" argument is used, and
1183 mark it ARG_UNUSED if it isn't.
1184 (write_insn_const_int_ok_for_constraint): Skip the part of the
1185 expression that would test whether "op" (which is not available
1186 here) is a CONST_INT.
1188 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1191 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1193 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1195 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1196 current Leopard versions.
1197 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1199 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1201 * doc/install.texi: Fix typos.
1203 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1205 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1206 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1207 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1209 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1211 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1212 arg to be struct mach_header_64* instead.
1214 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1217 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1218 side effects after the outer expression's post side effects.
1220 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1222 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1223 comments to reflect actual behavior and relationship between
1224 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1226 * doc/c-tree.texi (Working with declarations): Fix documentation
1227 of FIELD_DECL likewise.
1229 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1232 * doc/extend.texi: Add used variable attribute description.
1234 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1237 * c.opt (Woverride-init): New.
1238 * c-opts.c (c_common_post_options): Default warn_override_init to
1240 * c-typeck.c (add_pending_init, output_init_element): Warn for
1241 overriding initializers without side effects.
1242 * doc/invoke.texi (-Woverride-init): Document.
1245 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1247 PR rtl-optimization/28096
1248 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1249 assignment has already been used as a destination earlier in the block.
1251 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1253 * builtins.c (expand_builtin_setjmp): Delete.
1254 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1255 <BUILT_IN_SETJMP_SETUP>: New case.
1256 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1257 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1258 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1259 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1260 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1261 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1262 (lower_function_body): Initialize it to false. If it is set to true
1263 at the end of the processing, emit the setjmp dispatcher.
1264 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1265 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1266 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1267 on the rhs of the assignment.
1268 (lower_builtin_setjmp): New function.
1269 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1270 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1271 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1272 to detect calls that can go to non-local labels. Use specific
1273 helper to create the abnormal edges associated with them.
1274 <MODIFY_EXPR>: Likewise.
1275 (make_abnormal_goto_edges): New function extracted from...
1276 (make_goto_expr_edges): ...here. Call it for computed gotos.
1277 (simple_goto_p): Minor tweak.
1278 (tree_can_make_abnormal_goto): New predicate.
1279 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1280 (tree_purge_dead_abnormal_call_edges): New function.
1281 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1282 (tree_purge_dead_abnormal_call_edges): Likewise.
1283 (make_abnormal_goto_edges): Likewise.
1284 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1285 Purge all dead abnormal edges if the call was in the last statement.
1286 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1287 (execute_fixup_cfg): If there are non-local labels in the function,
1288 scan the basic blocks and split them at calls that can go to non-local
1289 labels or add missing abnormal call edges. Write down the CFG in the
1291 (pass_fixup_cfg): Remove TODO_dump_func flag.
1292 * unwind-sjlj.c: Poison setjmp.
1293 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1294 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1295 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1296 (DONT_USE_BUILTIN_SETJMP): Document it.
1298 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1301 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1302 to 1 when __ppc64__ is defined.
1303 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1305 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1307 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1309 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1310 * config/ia64/unwind-hpux.c: Delete.
1312 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1314 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1315 on the element before gimplifying it, instead of punting if it is of
1318 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1320 * doc/loop.texi: New file.
1321 * doc/gccint.texi: Reference loop.texi.
1322 * Makefile.in (loop.texi): Add.
1324 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1326 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1328 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1329 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1331 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1333 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1335 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1337 * doc/install.texi: Document required versions of GMP and MPFR.
1339 2006-09-27 Paul Brook <paul@codesourcery.com>
1342 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1344 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1346 * reload1.c (alter_reg): Require the alignment of the stack slot to
1347 be at least reg_max_ref_width bytes.
1348 (scan_paradoxical_subregs): Record the largest width in
1351 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1355 * tree-nested.c (struct nesting_info): Added static_chain_added.
1356 (convert_call_expr): Set static_chain_added when adding static
1357 chain. Handle OMP_PARALLEL and OMP_SECTION.
1359 2006-09-25 Matthias Klose <doko@debian.org>
1361 * doc/invoke.texi: Add missing full stop.
1363 2006-09-25 Richard Henderson <rth@redhat.com>
1365 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1366 before cgraph_function_flags_ready.
1368 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1369 Adam Nemet <anemet@caviumnetworks.com>
1371 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1372 determine_common_wider_type): New functions.
1373 (get_computation_aff): Use them to simplify arithmetic between
1374 UBASE and CBASE if they are shortened from the same type.
1376 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1379 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1380 -2147483647 - 1 instead of 0x80000000.
1382 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1384 * flags.h (HONOR_NANS): Fix typo in comment.
1386 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1388 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1390 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1394 * tree.c (merge_attributes, attribute_list_contained): If both
1395 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1397 * c-typeck.c (comptypes_internal): Don't consider aggregates
1398 in different TUs as compatible if there one set of attributes is
1399 not a subset of the other type's attributes.
1400 (composite_type): Try harder not to create a new aggregate type.
1402 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1404 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1405 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1406 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1407 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1408 than replicating condition above.
1409 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1411 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1412 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1413 the linker by default.
1415 2006-09-22 Mike Stump <mrs@apple.com>
1417 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1420 2006-09-22 Richard Guenther <rguenther@suse.de>
1423 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1424 sort of stack variables stable.
1426 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1429 * explow.c (force_reg): Set REG_POINTER flag according to
1432 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1434 PR tree-optimization/28888
1435 * tree-if-conv.c (combine_blocks): Rewritten.
1436 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1437 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1439 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1441 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1444 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1446 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1448 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1450 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1452 2006-09-21 Roger Sayle <roger@eyesopen.com>
1455 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1456 dw_fde_current_label, to be the start of the function, i.e. the same
1457 value as dw_fde_begin.
1459 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1461 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1462 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1463 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1464 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1465 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1466 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1467 (abs<mode>2, neg<mode>2): Likewise.
1468 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1469 (*mips_abs_ps): New define_insn.
1471 2006-09-20 Josh Conner <jconner@apple.com>
1474 * calls.c (expand_call): Allow reuse of structure return stack
1477 2006-09-20 Paul Brook <paul@codesourcery.com>
1479 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1482 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1484 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1485 clean up terminology.
1487 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1490 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1491 with tablejumps in them.
1493 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1496 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1497 wrap it into TARGET_EXPR.
1499 2006-09-20 Eric Christopher <echristo@apple.com>
1501 * config/i386/i386.c (x86_fisttp): Remove.
1502 * config/i386/i386.h (x86_fisttp): Ditto.
1503 (TARGET_FISTTP): Ditto.
1505 2006-09-19 Eric Christopher <echristo@apple.com>
1507 * doc/tm.texi (OBJC_JBLEN): Describe.
1508 * config/i386/darwin.h (OBJC_JBLEN): Define.
1509 * config/rs6000/darwin.h: Ditto.
1511 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1513 PR rtl-optimization/21299
1514 * reload1.c (reload): Purge invalid ASMs in the final pass.
1516 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1519 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1520 pointers as legitimate constants.
1522 2006-09-19 Paul Brook <paul@codesourcery.com>
1525 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1527 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1529 PR tree-optimization/28887
1530 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1531 component parts from the reference.
1532 (gather_memory_references_ref): Record the reference without the
1533 nonaddressable component parts.
1535 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1538 * c-opts.c (c_common_handle_option): Ignore the -std options
1539 if the input language is assembly.
1541 2006-09-17 Ira Rosen <irar@il.ibm.com>
1544 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1546 (ptr_ptr_may_alias_p): Likewise.
1547 (record_record_differ_p): New function.
1548 (base_object_differ_p): Call record_record_differ_p.
1550 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1553 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1554 away for the expr argument.
1556 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1559 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1560 before using it for dumping after vectorizing loops.
1562 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1563 Jack Howarth <howarth@bromo.med.uc.edu>
1566 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1567 skip on error_mark_node.
1568 (rs6000_darwin64_record_arg_recurse): Likewise.
1570 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1572 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1573 * doc/rtl.texi: Remove related documentation.
1575 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1577 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1580 2006-09-15 Jim Wilson <wilson@specifix.com>
1582 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1583 Handle symbol offsets same as they are handled in ia64_expand_move
1586 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1588 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1589 Add forgotten parameter to the fprintf call.
1591 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1593 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1595 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1597 * doc/contrib.texi: Add my entry.
1599 2006-09-15 Nick Clifton <nickc@redhat.com>
1601 * doc/md.texi (Processor pipeline description): Fix typo in
1602 example of how to use the absence_set directive and reword the
1603 description to make it slightly easier to read.
1605 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1607 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1608 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1609 expanding the number of iterations.
1610 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1612 * cfgrtl.c (emit_insn_at_entry): New function.
1613 * rtl.h (emit_insn_at_entry): Declare it.
1614 * integrate.c (emit_initial_value_sets): Use it.
1616 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1618 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1620 (struct loop_work and related VEC declarations): Delete.
1621 (bfin_dump_loops): Print out new member bad.
1622 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1623 (bfin_scan_loop): Don't recurse.
1624 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1625 loops. No longer need to update outer loops if the current one is
1626 found bad. Move some validitiy checks to bfin_discover_loop.
1627 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1628 but changed not to check for nesting. Also changed to use the new bad
1630 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1631 time. Use bitmap based test to discover loop nesting.
1633 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1635 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1638 2006-09-14 Richard Guenther <rguenther@suse.de>
1639 Kazu Hirata <kazu@codesourcery.com>
1641 PR middle-end/28884.
1642 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1643 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1644 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1645 with TARGET_FUNCTION_VALUE.
1647 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1650 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1652 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1654 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1657 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1660 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1663 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1665 * basic_block.h (bb_has_eh_pred): Fix comment.
1667 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1669 * flow.c (calculate_global_regs_live): Invalidate eh registers
1670 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1671 (propagate_block): Handle eh registers as if they were set at basic
1673 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1675 * global.c (global_conflicts): Make eh registers to conflict with
1676 pseudos live at basic block begin.
1677 * basic_block.h (bb_has_eh_pred): New function.
1679 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1681 PR rtl-optimization/28982
1682 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1683 index of a PRE_MODIFY or POST_MODIFY address.
1684 * reload1.c (inc_for_reload): Use find_replacement on the original
1685 base and index registers.
1687 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1689 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1690 for -Os. Update __m128 alignment requirement.
1692 2006-09-13 Jan Hubicka <jh@suse.cz>
1694 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1696 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1698 PR rtl-optimization/28243
1699 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1700 the insn to which the note was originally attached.
1702 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1703 Roger Sayle <roger@eyesopen.com>
1705 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1706 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1707 on platforms that don't use dwarf for debug info.
1709 2006-09-12 Jason Merrill <jason@redhat.com>
1712 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1713 hard_frame_pointer_rtx after using it to update the frame pointer.
1715 2006-09-12 Roger Sayle <roger@eyesopen.com>
1717 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1718 (TARGET_ASM_CLOSE_PAREN): Likewise.
1719 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1720 (TARGET_ASM_CLOSE_PAREN): Likewise.
1722 2006-09-12 Roger Sayle <roger@eyesopen.com>
1725 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1726 frame information for frames larger than 512 Kbytes on Tru64 when
1727 using the native assembler.
1729 2006-09-12 Roger Sayle <roger@eyesopen.com>
1733 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1734 and symbols. Instead use the implementation from cse.c's hash_rtx.
1736 2006-09-12 Jan Hubicka <jh@suse.cz>
1738 PR rtl-optimization/28071
1739 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1740 (vect_transform_loop): Likewise.
1741 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1742 (new_loop_vec_info): Likewise.
1743 (destroy_loop_vec_info): Likewise.
1744 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1745 (create_stmt_ann): Likewise.
1746 (create_tree_ann): Rename to ...
1747 (create_tree_common_ann): ... this one; allocate only the common part
1749 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1750 (get_value_handle): Likewise.
1751 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1752 get_tree_common_ann.
1753 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1754 (vinfo_for_stmt): Use stmt annotations.
1755 * tree-flow.h (tree_ann_common_t): New type.
1756 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1757 (tree_ann, get_tree_ann, create_tree_ann): New.
1758 * tree-flow-inline.h (get_function_ann): Do more type checking.
1759 (stmt_ann): Likewise.
1760 (tree_ann): Rename to ...
1761 (tree_common_ann): ... this one; return ony common_ann
1762 (get_tree_ann): Rename to ...
1763 (tree_common_ann): This one; return only common_ann.
1764 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1767 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1769 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1770 with_cpu by default.
1772 * dwarf2out.c (dwarf_file_data): New.
1773 (enum dw_val_class): Add dw_val_class_file.
1774 (struct dw_val_struct): Add val_file.
1775 (file_table): Change to a hash table.
1776 (file_table_emitted): Delete.
1777 (file_table_last_lookup_index): Delete.
1778 (emitcount): Delete.
1779 (last_emitted_file): New.
1780 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1781 (init_file_table): Delete.
1782 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1783 (AT_addr): Add comment.
1787 (print_die): Handle dw_val_class_file.
1788 (print_dwarf_line_table): Update for new file table structure.
1789 (attr_checksum): Do checksum a filename.
1790 (same_dw_val_p, same_attr_p): Do compare a filename.
1791 (size_of_die): Handle dw_val_class_file.
1792 (value_format): Likewise.
1793 (output_die): Likewise. Also, call maybe_emit_file here.
1794 (struct file_info): Constify filenames. Make file_idx a pointer
1795 to a struct dwarf_file_data.
1796 (struct dir_info): Constify directory names. Remove 'used' field.
1797 (struct file_name_acquire_data): New.
1798 (file_name_acquire): New.
1799 (output_file_names): Modify to handle new file data structures.
1800 (add_src_coords_attributes): Use add_AT_file.
1801 (add_call_src_coords_attributes): Likewise.
1802 (dwarf2out_imported_module_or_decl): Likewise.
1803 (gen_subprogram_die): Modify for new file data structures.
1804 (gen_variable_die): Likewise.
1805 (file_table_eq): New.
1806 (file_table_hash): New.
1807 (file_table_last_lookup): New.
1808 (lookup_filename): Rewrite to handle new file data structures.
1809 (maybe_emit_file): Rewrite to handle new file data structures.
1810 (dwarf2out_source_line): Always call lookup_filename and
1812 (dwarf2out_init): Create file_table here.
1813 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1814 (file_table_relative_p): New.
1815 (dwarf2out_finish): Change detection of relative filenames
1816 to work with new file data structures. Move output_line_info call
1817 after debug_info output.
1819 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1824 * config/i386/i386.c (override_options): Always default to 16
1825 byte stack boundary.
1827 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1830 * var-tracking.c (dump_dataflow_set): Start dumping at
1832 (clobber_variable_part): Kill only the variable part in
1833 registers holding it, leaving other variables alone.
1835 2006-09-11 Josh Triplett <josh@freedesktop.org>
1837 * doc/extend.texi (Other Builtins): Actually use the macro
1838 argument in the documentation example for
1839 __builtin_types_compatible_p.
1841 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1843 PR rtl-optimization/28726
1844 * sched-deps.c (sched_analyze_reg): New function extracted from...
1845 (sched_analyze_1): ...here. Call it to analyze references to
1846 registers. Treat again writes to a stack register as writing to the
1848 (sched_analyze_2): ...and here. Call it to analyze references to
1849 registers. Treat again reads of a stack register as reading the
1852 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1853 David Edelsohn <edelsohn@gnu.org>
1856 * config/rs6000/spe.md (frob_df_di): Remove %H.
1857 (frob_di_df): Remove %H. Change evmergelo to mr.
1858 (frob_di_df_2): Remove %H. Change evldd to two loads.
1860 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1862 * doc/cpp.texi: Fix names of charset options.
1864 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1867 * config/i386/i386.c (override_options): Use 128-bit
1868 stack boundary always for 64bits.
1870 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1872 PR rtl-optimization/28636
1873 * combine.c (force_to_mode): Test for side-effects before
1874 substituting by zero.
1875 (simplify_shift_const): Likewise for zero or other constants.
1877 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1880 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1883 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1886 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1887 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1888 returned by mode_for_size, rather than the mode of src itself,
1889 to choose between 32-bit and 64-bit patterns.
1890 (mips_mem_fits_mode_p): New function.
1891 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1892 that the size of the source matches the size of the destination.
1893 (mov_<store>l, mov_<store>r): Likewise.
1895 2006-09-10 Eric Christopher <echristo@apple.com>
1897 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1900 2006-09-09 Eric Christopher <echristo@apple.com>
1903 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1906 2006-09-09 Roger Sayle <roger@eyesopen.com>
1907 Nicolas Setton <setton@adacore.com>
1909 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1911 2006-09-10 Andreas Schwab <schwab@suse.de>
1913 * config/m68k/m68k.md (bungt_rev): New pattern.
1915 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1916 Dale Johannesen <dalej@apple.com>
1919 * regclass.c (struct reg_pref): Update documentation.
1920 (regclass): Set prefclass to NO_REGS if memory is the best option.
1921 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1923 2006-09-08 Eric Christopher <echristo@apple.com>
1925 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1926 * config/t-slibgcc-darwin: Support x86_64 multilib.
1927 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1928 Return 1 for x86_64-darwin.
1929 * config/i386/t-darwin: Add m64 multilib.
1930 (LIB2_SIDITI_CONV_FUNCS): Use.
1931 (LIB2FUNCS_EXTRA): Ditto.
1932 * config/i386/darwin.h: Support x86_64.
1933 * config/i386/i386.c (override_options): Turn on flag_pic
1934 for x86_64-darwin. Disable flag_omit_pointer.
1935 (get_pc_thunk_name): Assert !TARGET_64BIT.
1936 (legitimate_address_p): Disable machopic addressing for
1938 (legitimize_pic_address): Ditto.
1939 (ix86_expand_move): Ditto.
1940 (ix86_expand_call): Ditto.
1941 (machopic_output_stub): Ditto.
1942 * config/darwin.c (machopic_select_section): Support literal16.
1943 (machopic_select_rtx_section): Ditto.
1944 * config/darwin-sections.def: Ditto.
1945 * config/darwin-64.c: New.
1947 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1950 * c-tree.h (struct c_arg_info): Add pending_sizes.
1951 * c-parser.c (c_parser_parms_declarator,
1952 c_parser_parms_list_declarator): Initialize pending_sizes.
1953 * c-decl.c (get_parm_info): Initialize pending_sizes.
1954 (get_parm_info): Set pending_sizes.
1955 (grokdeclarator): Call put_pending_sizes for parameters for
1956 function definition only.
1958 2006-09-07 Jason Merrill <jason@redhat.com>
1961 * varasm.c (output_constant): Only strip actual no-op conversions.
1964 * config/i386/i386.c (override_options): Use 128-bit
1965 stack boundary if -msse.
1967 2006-09-07 Eric Christopher <echristo@apple.com>
1969 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1971 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1974 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1976 * dwarf2out.c: Remove strange characters from comment above
1977 dwarf2out_frame_debug_expr.
1979 2006-09-07 Eric Christopher <echristo@apple.com>
1981 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1982 * config/darwin.h: ... to here.
1984 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1986 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1988 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1989 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1991 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1992 TARGET_PARTIAL_FLAG_REG_STALL.
1993 (*ashldi3_cconly_rex64): Likewise.
1994 (*ashlsi3_cmp): Likewise.
1995 (*ashlsi3_cconly): Likewise.
1996 (*ashlsi3_cmp_zext): Likewise.
1997 (*ashlhi3_cmp): Likewise.
1998 (*ashlhi3_cconly): Likewise.
1999 (*ashlqi3_cmp): Likewise.
2000 (*ashlqi3_cconly): Likewise.
2001 (*ashrdi3_cmp_rex64): Likewise.
2002 (*ashrdi3_cconly_rex64): Likewise.
2003 (*ashrsi3_cmp): Likewise.
2004 (*ashrsi3_cconly): Likewise.
2005 (*ashrsi3_cmp_zext): Likewise.
2006 (*ashrhi3_cmp): Likewise.
2007 (*ashrhi3_cconly): Likewise.
2008 (*ashrqi3_cmp): Likewise.
2009 (*ashrqi3_cconly): Likewise.
2010 (*lshrdi3_cmp_rex64): Likewise.
2011 (*lshrdi3_cconly_rex64): Likewise.
2012 (*lshrsi3_cmp): Likewise.
2013 (*lshrsi3_cconly): Likewise.
2014 (*lshrsi3_cmp_zext): Likewise.
2015 (*lshrhi3_cmp): Likewise.
2016 (*lshrhi3_cconly): Likewise.
2017 (*lshrqi2_cmp): Likewise.
2018 (*lshrqi2_cconly): Likewise.
2020 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2023 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2024 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2025 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2026 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2027 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2028 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2029 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2030 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2031 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2032 implement only CC setting effects of shift instructions.
2034 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2036 * doc/contrib.texi: Add myself.
2038 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2041 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2042 was set by the user.
2044 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2047 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2048 (divsi_inv_m1): Use them.
2049 (UNSPEC_DIV_INV_TABLE): New constant.
2051 2006-09-06 James E Wilson <wilson@specifix.com>
2054 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2055 then call count_or_remove_death_notes.
2057 2006-09-06 Jason Merrill <jason@redhat.com>
2060 * tree-inline.c (copy_result_decl_to_var): New fn.
2061 (declare_return_variable): Use it. Call declare_inline_vars here.
2062 (expand_call_inline): Not here.
2064 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2066 * doc/contrib.texi: Update my entry.
2068 2006-09-06 Nick Clifton <nickc@redhat.com>
2070 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2072 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2075 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2076 (canonicalize_induction_variables): Likewise.
2077 (tree_unroll_loops_completely): Likewise.
2078 (tree_ssa_prefetch_arrays): Likewise.
2079 (remove_empty_loops): Likewise.
2080 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2081 TODO_cleanup_cfg instead of directly calling
2082 cleanup_tree_cfg_loop.
2083 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2085 (tree_unroll_loops_completely): Likewise.
2086 (remove_empty_loops): Likewise.
2087 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2088 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2089 of tree_ssa_unswitch_loops.
2090 (tree_ssa_loop_ivcanon): Use the return value of
2091 canonicalize_induction_variables.
2092 (tree_ssa_empty_loop): Use the return value of
2094 (tree_complete_unroll): Use the return value of
2095 tree_unroll_loops_completely.
2096 (tree_ssa_loop_prefetch): Use the return value of
2097 tree_ssa_prefetch_arrays.
2098 * passes.c (execute_todo): Before Cleanup CFG, set
2099 updating_used_alone and after cleanup CFG, call
2100 recalculate_used_alone.
2102 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2105 * tree-vect-transform.c (vectorizable_condition): Move the check
2106 for the type after the check for simple condition.
2108 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2109 Kaz Kojima <kkojima@gcc.gnu.org>
2112 * mode-switching.c (optimize_mode_switching): Make the destination
2113 block of an abnormal edge have no anticipatable mode. Don't
2114 insert mode switching code at the end of the source block of
2117 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2119 PR rtl-optimization/26847
2120 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2121 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2122 (simplify_plus_minus): Count n_constants while filling ops. Replace
2123 qsort with insertion sort. Before going through the array to simplify
2124 pairs, sort it. Delay early exit until after the first sort, exiting
2125 only if no swaps occurred. Simplify pairs in reversed order, without
2126 special-casing the first iteration. Pack ops after simplifying pairs.
2128 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2130 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2131 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2132 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2133 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2135 2006-09-05 Richard Guenther <rguenther@suse.de>
2137 PR tree-optimization/28900
2138 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2139 compound conditional before creating COND_EXPR condition.
2141 2006-09-05 Richard Guenther <rguenther@suse.de>
2143 PR tree-optimization/28905
2144 * tree-vrp.c (fix_equivalence_set): Manually implement
2145 !value_ranges_intersect_p to also handle symbolic ranges.
2147 2006-09-05 Richard Guenther <rguenther@suse.de>
2150 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2153 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2155 PR rtl-optimization/27616
2156 * cse.c (table_size): New static variable.
2157 (new_basic_block): Initialize it to 0.
2158 (remove_from_table): Decrement it.
2159 (insert): Increment it.
2160 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2161 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2162 fold_rtx_mem_1 if under the cap.
2163 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2164 the lookup of the equivalent expression and test for equality of the
2165 first operand of the equivalent expression before in turn looking up
2166 an equivalent constant for the second operand.
2168 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2171 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2172 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2173 pointer, instead of assuming it is possible to derive the
2174 correct args size from a call insn.
2176 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2179 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2180 (fold_builtin_mempcpy): Rename to...
2181 (fold_builtin_memory_op): ... this. Optimize one element copy
2183 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2185 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2186 (expand_builtin_memcpy, expand_builtin_mempcpy,
2187 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2188 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2189 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2190 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2192 2006-09-01 DJ Delorie <dj@redhat.com>
2194 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2195 (stzx_16): Likewise.
2196 ("stzx_24_<mode>"): Likewise.
2197 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2198 ("cmp<mode>_op"): New.
2199 (cmp<mode>): Change to expander; just save operands.
2201 (b<code>): Change to expander, emit compare here.
2202 (s<code>_op): Change to use split and expander.
2203 (s<code>_24_op): Likewise.
2204 (s<code>_<mode>): New.
2205 (s<code>_<mode>_24): New.
2206 (movqicc_<code>_<mode): New.
2207 (movhicc_<code>_<mode>): New.
2210 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2211 (m32c_pend_compare): New.
2212 (m32c_unpend_compare): New.
2213 (m32c_expand_scc): New.
2214 (m32c_expand_movcc): Emit the compare also.
2215 * config/m32c/predicates.md (mra_nopp_operand): New.
2217 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2218 Richard Guenther <rguenther@suse.de>
2219 Adam Nemet <anemet@caviumnetworks.com>
2222 * builtins.c (get_pointer_alignment): Handle more forms
2223 of base addresses that can be used to derive more precise
2224 information about alignment.
2226 2006-09-01 Jason Merrill <jason@redhat.com>
2229 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2232 * gimplify.c (voidify_wrapper_expr): Handle null type.
2234 2006-09-01 Josh Conner <jconner@apple.com>
2237 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2238 (execute_return_slot_opt): Use it.
2240 2006-08-31 Josh Conner <jconner@apple.com>
2243 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2244 returning aggregates.
2246 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2248 PR tree-optimization/28839
2249 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2250 blocks in that phi arguments appear.
2252 2006-08-31 Roger Sayle <roger@eyesopen.com>
2255 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2256 NULL, otherwise use an advance_loc4 to adjust relative to the
2258 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2259 (dwarf2out_switch_text_section): Reset the current label to avoid
2260 using advance_loc4 over section boundaries.
2262 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2265 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2266 r12 + SYMBOLIC_CONST.
2268 2006-08-30 Richard Guenther <rguenther@suse.de>
2270 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2272 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2274 PR rtl-optimization/27735
2275 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2276 Add new argument to keep track of whether an irreducible region
2277 was affected. All callers changed.
2278 (fix_irreducible_loops): Removed.
2279 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2280 flags were invalidated.
2282 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2284 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2285 instead of SF operands.
2286 (*fop_df_comm_sse): Likewise.
2287 (*fop_df_comm_i387): Likewise.
2288 (*fop_df_1_mixed): Likewise.
2289 (*fop_df_1_sse): Likewise.
2291 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2292 J"orn Rennecke <joern.rennecke@st.com>
2294 PR tree-optimization/17506
2295 * tree-ssa.c (warn_uninit): If warning about a location outside of
2296 the current function, note where the variable was declared.
2298 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2300 PR tree-optimization/28411
2301 * double-int.c (double_int_div): Use double_int_divmod.
2302 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2303 double_int_mod, double_int_smod, double_int_umod): New functions.
2304 * double-int.h (double_int_divmod, double_int_sdivmod,
2305 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2307 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2309 (get_computation_aff, get_computation_cost_at): Handle double_int
2310 return type of constant_multiple_of.
2312 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2315 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2316 an implicit conversion.
2318 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2320 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2322 2006-08-27 Roger Sayle <roger@eyesopen.com>
2324 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2327 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2329 * config/i386/crtfastmath.c: Fix a comment typo.
2331 2006-08-26 Roger Sayle <roger@eyesopen.com>
2333 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2334 temporary visit flags on CASE_LABEL_EXPRs.
2335 * c-common.c (match_case_to_enum): Add function comment. Avoid
2336 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2337 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2338 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2339 a constant, only warn if that constant value isn't handled.
2341 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2344 * input.h (restore_input_file_stack): Declare.
2345 (INPUT_FILE_STACK_BITS): Define.
2346 * toplev.c (fs_p, input_file_stack_history,
2347 input_file_stack_restored, restore_input_file_stack): New.
2348 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2349 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2350 (pop_srcloc): Don't free old state of stack.
2352 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2355 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2356 (PowerPC Type Attributes): New.
2358 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2360 * config/xtensa/xtensa.c (function_arg_boundary): New.
2361 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2363 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2364 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2366 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2369 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2372 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2374 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2375 (verify_local_live_at_start): Likewise.
2377 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2380 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2381 omp_add_variable): Treat sizes as variable whenever not
2384 2006-08-26 Richard Guenther <rguenther@suse.de>
2387 * fold-const.c (fold_binary): Fold temporary to correct
2388 type before constructing new comparison.
2390 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2393 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2394 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2396 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2399 * c-decl.c (start_function): Don't try to process prototype
2400 information from old declaration that isn't a function.
2402 2006-08-25 Jan Hubicka <jh@suse.cz>
2405 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2407 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2410 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2413 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2415 PR tree-optimization/16876
2416 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2417 exit if PARM doesn't match VALUE.
2419 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2421 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2422 literal_prefix directive.
2423 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2424 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2425 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2427 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2430 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2431 predicate to general_operand. Add 0->y and I->r alternatives.
2433 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2435 * doc/tm.texi: Fix a typo.
2436 * predict.c: Fix comment typos.
2438 2006-08-25 Nick Clifton <nickc@redhat.com>
2440 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2441 assertions of "cpu" and "machine".
2443 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2446 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2447 the access through a base which has an alias set of 0 cannot
2450 2006-08-24 Bill Wendling <wendling@apple.com>
2452 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2454 2006-08-24 Jan Hubicka <jh@suse.cz>
2456 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2458 2006-08-24 Jan Hubicka <jh@suse.cz>
2461 * cgraph.c: Fix comments.
2462 (cgraph_varpool_mark_needed_node): Mark only variables not already
2464 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2465 (cgraph_varpool_assembled_nodes_queue): New static variable.
2466 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2467 (cgraph_varpool_output_debug_info): New function.
2468 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2469 * Makefile.in: Add gt-cgraphunit.h
2471 2006-08-24 Jan Hubicka <jh@suse.cz>
2473 * predict.c (probability_reliable_p): New predicate.
2474 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2475 (predict_loops): Do not predict loop exit with less than 2%
2477 * basic-block.h (edge_probability_reliable_p,
2478 br_prob_note_reliable_p): Declare.
2479 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2480 prediction when static predictor is not reliable.
2481 * rs6000.c (output_cbranch): Likewise.
2483 2006-08-23 Stuart Hastings <stuart@apple.com>
2486 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2487 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2489 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2492 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2493 complex values, nor for generic vector values.
2495 2006-08-22 Richard Guenther <rguenther@suse.de>
2498 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2499 parameter. Convert arguments to arithmetic expression to the
2501 (analyze_scalar_evolution_1): Adjust caller.
2503 2006-08-22 Jan Hubicka <jh@suse.cz>
2505 Patch by Paolo Bonzini
2506 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2509 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2511 PR tree-optimization/28003
2512 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2513 before grouping aliases.
2515 2006-08-22 Roger Sayle <roger@eyesopen.com>
2517 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2518 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2520 2006-08-21 Jason Merrill <jason@redhat.com>
2523 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2524 wrapper. Loop to handle nested wrappers.
2525 (gimplify_bind_expr): Remove temp parameter.
2526 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2527 and STATEMENT_LIST on the rhs.
2528 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2529 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2530 (gimplify_target_expr): Remove special BIND_EXPR handling.
2532 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2534 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2537 2006-08-21 Olivier Hainque <hainque@adacore.com>
2539 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2540 Arrange for the temporary captures of components overlapping the lhs
2541 to happen before the lhs is possibly cleared.
2543 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2545 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2546 necessary places to pass the correct "number of registers" values
2549 2006-08-20 Jan Hubicka <jh@suse.cz>
2551 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2552 (create_name_tags): Instead of quadratic checking use hashtable.
2553 * bitmap.h: Include hashtab.h.
2554 (bitmap_hash): Declare.
2555 * bitmap.c (bitmap_hash): New function.
2557 2006-08-20 Jan Hubicka <jh@suse.cz>
2559 PR rtl-optimization/28071
2560 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2562 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2563 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2564 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2565 cgraph_decide_inlining_incrementally): Update use of
2566 cgraph_check_inline_limits.
2567 * cgraph.c (edge_hash, edge_eq): New function.
2568 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2569 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2570 cgraph_remove_node): Maintain call site hash.
2571 * cgraph.h (struct cgraph_node): Add call_site_hash.
2572 (cgraph_set_call_stmt): New function.
2574 2006-08-20 Jan Hubicka <jh@suse.cz>
2576 PR rtl-optimization/28071
2577 * reload1.c (reg_has_output_reload): Turn into regset.
2578 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2579 choose_reload_regs, emit_reload_insns): Update to new
2580 reg_has_output_reload.
2582 2006-08-20 Jan Hubicka <jh@suse.cz>
2585 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2586 function body sizes.
2587 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2589 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2592 * tree.c (handle_dll_attribute): Return early if not a
2593 var or function decl.
2595 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2598 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2599 alignment of SPE vector types.
2601 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2603 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2605 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2608 * cgraph.h (struct cgraph_node): Remove externally_visible
2610 * cgraphunit.c (process_function_and_variable_attributes): Set
2611 local.externally_visible rather than externally_visible.
2614 * c-common.c (handle_externally_visible_attribute): First look
2615 at TREE_CODE and only if it is function or var decl, check for
2616 non-public objects. Don't warn for DECL_EXTERNAL.
2617 * cgraphunit.c (process_function_and_variable_attributes): Warn
2618 if externally_visible attribute is used on non-public object.
2620 2006-08-17 Jan Hubicka <jh@suse.cz>
2622 PR tree-optimization/27865
2623 * reload1.c (forget_marked_reloads): New function.
2624 (forget_old_reloads_1): When data are passed, just mark the registers
2626 (reload_as_needed): Use the new mechanizm.
2628 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2631 * reload.h (reg_equiv_alt_mem_list): New declaration.
2632 * reload1.c (reg_equiv_alt_mem_list): New definition.
2633 (reload): Initialize it and release it.
2634 (delete_output_reload): Use it.
2635 * reload.c (push_reg_equiv_alt_mem): New function.
2636 (find_reloads_toplev): Call it.
2637 (find_reloads_address, find_reloads_address_1): Likewise.
2638 (find_reloads_subreg_address): Likewise.
2640 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2642 PR rtl-optimization/28489
2643 * sched-ebb.c (begin_schedule_ready): Create basic block
2645 (advance_target_bb): Skip empty blocks.
2646 * haifa-sched.c (bb_note): Make global.
2647 * sched-int.h (bb_note): Add prototype.
2649 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2651 PR tree-optimization/27865
2652 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2654 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2655 fold_used_pointer, pointer_used_p): New functions.
2656 (analyze_scalar_evolution_1): Use fold_used_pointer.
2657 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2658 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2661 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2664 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2665 or the INTEGER_CST. Fail on a CALL_EXPR.
2666 (fold_offsetof): Pass new argument to fold_offsetof_1.
2667 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2668 operand into an INDIRECT_REF.
2669 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2671 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2673 PR gcov/profile/26570
2674 * value-prof.c (static_values): Removed.
2675 (tree_find_values_to_profile): Do not set static_values.
2676 (find_values_to_profile): Do not free static_values.
2677 * profile.c (instrument_values): Do not free the values.
2678 (branch_prob): Free the values.
2680 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2682 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2684 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2687 * c-typeck.c (build_component_ref): Combine qualifiers of
2688 structure or union and field.
2690 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2692 PR rtl-optimization/28071
2693 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2694 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2695 * tree-into-ssa.c (struct dom_dfsnum): New.
2696 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2698 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2699 compute_global_livein.
2700 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2701 in phi nodes in the correct blocks.
2703 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2705 PR tree-optimization/28364
2706 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2708 (fold_affine_expr): New function.
2709 (may_eliminate_iv): Use fold_affine_expr.
2711 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2714 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2717 2006-08-16 Mike Stump <mrs@apple.com>
2719 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2720 * doc/cppopts.texi (-MD): Likewise.
2722 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2725 * c-common.c (handle_weak_attribute): Ignore and warn if
2726 not a FUNCTION_ or VAR_DECL.
2728 2006-07-15 Mike Stump <mrs@apple.com>
2731 * c-parser.c (c_parser_typeof_specifier): Don't use
2732 c_finish_expr_stmt, open code desired semantics instead.
2734 2006-08-15 Nick Clifton <nickc@redhat.com>
2736 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2737 fragment to tmake_file only if threads are enabled.
2738 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2739 * config/i386/t-gthr-win32: New file. ... here.
2741 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2744 * c-parser.c (c_parser_compound_statement_nostart): Reset
2745 parser->error after each statement.
2747 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2750 * omp-low.c (lower_omp_parallel): Convert t to
2751 receiver_decl's type.
2752 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2753 source before comparison.
2756 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2757 to itype in assignment to oldival2.
2759 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2763 * c-typeck.c (build_compound_expr): If the second expression
2764 is an error mark, then just return an error mark instead of
2765 creating a COMPOUND_EXPR.
2767 2006-07-14 Mike Stump <mrs@apple.com>
2769 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2771 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2773 * c-decl.c, var-tracking.c: Fix comment typos.
2775 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2777 PR rtl-optimization/28634
2778 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2779 for floating-point modes unless flag_unsafe_math_optimizations.
2781 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2782 Andrew Pinski <pinskia@physics.uc.edu>
2785 * tree.c (build_array_type): Unify array types with
2786 unspecified index_type.
2787 * c-decl.c (grokdeclarator): Make sure we do not modify a
2788 unified incomplete array type.
2789 * c-typeck.c (store_init_value): Create distinct type before
2790 filling in the index type in an initializer from a compound
2793 * c-decl.c (grokdeclarator): Remove code where we copy the
2796 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2798 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2799 into account for TODO_dump_cgraph.
2800 (TODO_update_ssa_no_phi): Likewise.
2801 (TODO_update_ssa_full_phi): Likewise.
2802 (TODO_update_ssa_only_virtuals): Likewise.
2803 (TODO_remove_unused_locals): Likewise.
2804 (TODO_set_props): Likewise.
2805 (TODO_update_stmt_usage): Likewise.
2807 2006-08-13 Dirk Mueller <dmueller@suse.de>
2809 * c-common.c (strict_aliasing_warning): Fix formatting.
2811 2006-08-13 Matthias Klose <doko@debian.org>
2813 * doc/invoke.texi: Fix spelling errors.
2815 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2817 PR rtl-optimization/23454
2818 * reorg.c (relax_delay_slots): Update comment.
2820 2006-08-11 Richard Guenther <rguenther@suse.de>
2823 * simplify-rtx.c (simplify_const_relational_operation):
2824 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2827 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2829 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2830 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2832 2006-08-10 Paul Brook <paul@codesourcery.com>
2834 * final.c (final_scan_insn): Clear current_insn_predicate before
2835 outputting inline asm.
2837 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2839 PR tree-optimization/26197
2840 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2841 get_ref_base_and_extent and overlap_subvar to add only relevant
2842 subvars as may-aliases.
2843 (add_may_alias_for_new_tag): New function, factored out of
2845 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2846 with additional argument.
2847 * tree-flow.h (new_type_alias): Takes additional argument.
2849 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2851 * gcov.c (no_data_file): New flag.
2852 (read_count_file): Set it if data file not present. Assume counts
2854 (output_lines): Don't name the data file, if there wasn't one.
2856 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2858 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2859 (rs6000_generate_compare): Tweak comments.
2860 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2862 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2864 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2865 (var_debug_decl): New function.
2866 (var_reg_set): Follow debug decl link. Add location even if
2867 reg is already known to hold some other variable.
2868 (var_mem_set): Follow debug decl link.
2869 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2870 decl link. Delete other known locations of the variable part
2872 (var_reg_delete, var_mem_delete): Delete other known locations
2873 of the variable part if requested.
2874 (same_variable_part_p): New function.
2875 (add_stores): Select MO_COPY when appropriate.
2876 (vt_initialize): Handle it.
2877 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2878 known locations for MO_SET and MO_CLOBBER.
2879 (find_variable_location_part): New function.
2880 (set_variable_part, delete_variable_part): Use it.
2881 (clobber_variable_part): New function.
2882 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2885 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2887 PR tree-optimization/26969
2888 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2889 with an empty list of PHIs.
2891 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2895 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2898 2006-08-06 Andreas Schwab <schwab@suse.de>
2900 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2901 string. Whitespace and comment fixup.
2903 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2906 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2910 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2913 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2915 2006-08-04 Jan Hubicka <jh@suse.cz>
2919 * reload.c (push_reload): Patch out the mismatching instruction;
2921 (find_reload): Bail out if the instruction was patched out.
2923 2006-08-04 Jan Hubicka <jh@suse.cz>
2925 PR tree-optimization/24888
2926 * tree-inline.c (expand_call_inline): Do not re-record variables.
2927 (declare_inline_vars): Add variable to unexpanded_var_list.
2929 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2930 Roger Sayle <roger@eyesopen.com>
2932 PR rtl-optimization/26244
2933 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2934 inner_const are negative or greater than or equal to the bitsize of
2935 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2936 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2937 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2938 CONST0_RTX (mode) when the new shift count is greater than or equal to
2939 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2942 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2944 * tree-cfg.c: Fix a comment typo.
2946 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2949 * varasm.c (output_constant): Give the front end another chance to
2950 expand constants, after stripping NOPs.
2952 2006-08-03 Jan Hubicka <jh@suse.cz>
2954 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2957 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2959 PR tree-optimization/27770
2960 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2961 declaration removed (moved to tree-flow.h).
2962 (vect_can_force_dr_alignment_p): Likewise.
2963 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2964 (moved from tree-vectorizer.h).
2965 (vect_can_force_dr_alignment_p): Likewise.
2966 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2967 from outside the vectorizer - in particular from cgraph stage.
2968 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2969 the alignment of global arrays when -fsection-anchors is enabled.
2970 * cgraphunit.c (cgraph_increase_alignment): New function.
2971 (cgraph_optimize): Call cgraph_increase_alignment.
2973 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2976 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2977 not reload a SPE symbol_ref into a lo_sum address.
2979 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2982 * dwarf2out.c (prune_unused_types_prune): Move call to
2983 prune_unused_types_update_strings to cover the parent DIE also.
2985 2006-08-02 Jan Hubicka <jh@suse.cz>
2987 PR gcov/profile/28480
2988 * tree-cfg.c (change_bb_for_stmt): New function.
2989 (tree_merge_blocks, tree_split_blocks): Use it.
2991 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2997 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2998 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2999 (cgraph_optimize): Likewise.
3001 2006-08-01 Stuart Hastings <stuart@apple.com>
3003 * rtl.h (UINTVAL) New.
3004 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3005 * testsuite/gcc.dg/20060801-1.c: New.
3007 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3010 * c-typeck.c (build_external_type): Mark used enum types.
3011 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3013 (gen_subprogram_die): Whitespace fix.
3015 2006-08-01 Jan Hubicka <jh@suse.cz>
3017 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3018 bitmap when not needed.
3019 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3022 2006-08-01 Dirk Mueller <dmueller@suse.de>
3024 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3026 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3028 * Makefile.in: Revert part of previous patch:
3029 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3032 2006-07-30 Eric Christopher <echristo@apple.com>
3035 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3036 (PowerPC Variable Attributes): New section.
3038 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3040 PR target/28126 (partial fix)
3041 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3043 2006-07-28 Jan Hubicka <jh@suse.cz>
3045 PR rtl-optimization/28071
3046 * cfgrtl.c (rtl_delete_block): Free regsets.
3047 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3049 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3051 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3052 and variables used in dependencies.
3054 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3056 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3057 %fs for -mcmodel=kernel.
3058 (stack_tls_protect_test_di): Likewise.
3060 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3062 * Makefile.in: Use mkinstalldirs.
3064 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3067 * opts-common.c (prune_options): Skip joined switches.
3069 2006-07-27 Jan Hubicka <jh@suse.cz>
3071 PR rtl-optimization/28071
3072 * cselib.c (cselib_process_insn): Don't remove useless values too
3073 often for very large hashtables.
3075 2006-07-27 Jan Hubicka <jh@suse.cz>
3077 PR rtl-optimization/28071
3078 * global.c (greg_obstack): New obstack.
3079 (allocate_bb_info): Use it.
3080 (free_bb_info): Likewise.
3081 (modify_reg_pav): Likewise.
3083 2006-07-27 Roger Sayle <roger@eyesopen.com>
3085 * builtins.c (fold_fixed_mathfn): When long and long long are the
3086 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3087 functions to their lceil*, lfloor*, lround* and lrint* forms.
3089 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3092 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3094 (rev_branch_insn): Likewise.
3096 2006-07-27 Jan Hubicka <jh@suse.cz>
3098 PR rtl-optimization/28071
3099 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3100 (reg_set_in_bb, max_reg_computed): New static variables.
3101 (regmove_optimize): Free the new array.
3102 (fixup_match_1): Update call of reg_is_remote_constant_p.
3104 2006-07-26 Jan Hubicka <jh@suse.cz>
3106 PR tree-optimization/27882
3107 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3109 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3111 (cgraph_analyze_compilation_unit): Likewise.
3112 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3113 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3114 (cgraph_early_inlinine): Make order garbage collected.
3115 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3117 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3119 * dbxout.c (output_types_sort): Add a comment.
3120 (output_used_types): Free the VEC.
3122 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3124 * function.c (reorder_fix_fragments): Delete.
3125 (reorder_blocks): Don't call it.
3126 (reorder_blocks_1): Put all subblocks under the origin block.
3128 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3130 PR rtl-optimization/27907
3131 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3134 2006-07-25 Roger Sayle <roger@eyesopen.com>
3137 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3138 bar(x) check that bar's result type can represent all the values of T.
3140 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3142 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3144 2006-07-25 Nick Clifton <nickc@redhat.com>
3146 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3147 size_lookup[] array.
3148 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3149 (ggc_pch_count_object): Likewise.
3150 (ggc_pch_alloc_object): Likewise.
3151 (ggc_pch_write_object): Likewise.
3152 (init_ggc): Do not attempt to initialize entries in the
3153 size_lookup[] array for objects whose size is greater than than
3154 the length of the array.
3156 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3158 * dbxout.c (output_used_types_helper): Push queued types
3160 (output_types_sort): New.
3161 (output_used_types): Collect used types on a VEC and sort them
3164 2006-07-24 Richard Guenther <rguenther@suse.de>
3167 * cgraph.c (cgraph_remove_node): Do not check if dumps
3169 * cgraphunit.c (cgraph_optimize): Likewise.
3171 2006-07-24 Jan Hubicka <jh@suse.cz>
3173 PR rtl-optimization/28071
3174 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3175 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3176 splitting before first stmt.
3178 2006-07-24 Jan Hubicka <jh@suse.cz>
3180 PR rtl-optimization/28071
3181 * ipa-inline.c (update_caller_keys): Remove edges that
3182 are no longer inline candidates.
3184 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3187 * dbxout.c (output_used_types_helper, output_used_types): New.
3188 (dbxout_symbol): Call output_used_types.
3190 2006-07-23 Jan Hubicka <jh@suse.cz>
3194 * cgraph.c (cgraph_varpool_nodes): Export.
3195 (decide_is_variable_needed): Ignored "used" attribute in
3196 unit-at-a-time mode.
3197 * cgraph.h (cgraph_varpool_nodes): Declare.
3198 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3199 unit-at-a-time mode.
3201 2006-07-23 Roger Sayle <roger@eyesopen.com>
3204 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3205 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3206 the __gthrw form of thr_keycreate.
3207 (__gthread_key_delete): Silence the unused argument warning.
3209 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3212 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3213 Cache the last found '\0' marker to avoid quadratic behavior.
3215 2006-07-23 Jan Hubicka <jh@suse.cz>
3217 * i386.md (subsi_3_zext): Fix output template.
3219 2006-07-21 Mike Stump <mrs@apple.com>
3221 * doc/invoke.texi (C++ Dialect Options): Note that
3222 -fvisibility-inlines-hidden doesn't affect explicitly
3223 instantiationed inline methods.
3225 2006-07-20 Roger Sayle <roger@eyesopen.com>
3227 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3228 if the target assembler is GNU binutils' gas.
3229 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3230 whether to pass GNU gas or native as command line options.
3232 2006-07-20 Jason Merrill <jason@redhat.com>
3234 * tree.c (remove_attribute): New fn.
3235 * tree.h: Declare it.
3237 2006-07-20 Paul Brook <paul@codesourcery.com>
3240 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3241 they are invalidated by this instruction.
3243 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3246 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3248 2006-07-20 Eric Christopher <echristo@apple.com>
3251 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3253 2006-07-19 Eric Christopher <echristo@apple.com>
3255 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3256 Rewrite dependencies for libgcc_s.1.dylib.
3258 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3260 * except.c (duplicate_eh_regions_1): Clear next_peer.
3262 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3264 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3265 -mlongcall does not guarantee all calls will be long.
3266 * doc/extend.texi (long_call/short_call): Document that longcall
3267 does not guarantee a long call will be used.
3268 (longcall/shortcall): Likewise.
3270 2006-07-18 Roger Sayle <roger@eyesopen.com>
3273 * expmed.c (expand_shift): Additionally check that the shift_cost
3274 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3275 before implementing a LSHIFT_EXPR as a sequence of additions.
3276 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3277 middle-end that DImode shifts need to be synthesized by expand.
3279 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3282 * tree-ssa-operands.c (access_can_touch_variable): Update
3284 Return true if ALIAS is .GLOBAL_VAR.
3286 2006-07-18 David Daney <ddaney@avtrex.com>
3288 * gcc.c (display_help): Fix typo in help text.
3290 2006-07-18 Olivier Hainque <hainque@adacore.com>
3292 * tree.h (categorize_ctor_elements): Adjust prototype and add
3293 descriptive comment, both in accordance with the interface change
3295 * varasm.c (constructor_static_from_elts_p): New function.
3296 Whether a constructor node is a valid static constant initializer
3297 if all its elements are.
3298 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3299 * output.h: Declare it.
3300 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3301 is a valid constant initializer instead of computing the number of
3302 non-constant elements. Use constructor_static_from_elts_p for this
3303 purpose. Replace the head comment with an indication that this is a
3304 helper for categorize_ctor_elements.
3305 (categorize_ctor_elements): Same interface change as for the _1
3306 helper. Former head comment from this helper moved here, adjusted to
3307 account for the interface changes.
3308 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3309 (all_zeros_p): Likewise.
3310 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3311 static versions of the constructor from the categorize_ctor_elements
3312 return value instead of the formerly computed number of non-constant
3315 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3317 * configure: Regenerate.
3318 * Makefile.in (build_libsubdir): New configure substitution
3319 (build_libobjdir): New variable.
3320 (BUILD_LIBIBERTY): Use it.
3322 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3325 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3327 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3330 * c-common.c (handle_weakref_attribute): Ignore attribute in
3331 the same conditions the alias attribute is ignored.
3333 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3335 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3336 (dbxout_begin_prologue): Increment scope_labelno.
3338 2006-07-17 Richard Henderson <rth@redhat.com>
3341 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3344 2006-07-17 Roger Sayle <roger@eyesopen.com>
3345 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3347 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3348 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3349 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3350 functions such as sbrk, write, etc.. Add function prototypes.
3351 Convert function declarations from K&R to ISO C. Cast pointers
3352 to "long" and "unsigned long" instead of "int" and "unsigned int".
3353 Convert tokens following #endif into comments.
3355 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3357 * invoke.texi: Remove mention of f77; Reformat table for
3358 inline parameter options correctly; mention that -malign-double
3359 is default on x86-64 targets.
3361 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3363 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3364 (convert_affine_scev, chrec_convert_aggressive): Use
3365 avoid_arithmetics_in_type_p. Do not check for the subtypes
3368 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3371 * optabs.c (expand_doubleword_shift): Wrap the call to
3372 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3374 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3377 * optabs.c (expand_binop): Pass next_methods rather than methods
3378 to expand_doubleword_shift.
3380 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3383 * tree.h (dump_addr): Declare.
3384 * print-tree.c (dump_addr): New function.
3385 (print_node_brief, print_node): Use it.
3386 * print-rtl.c (print_rtx): Likewise.
3387 * common.opt (-fdump-noaddr): New option.
3388 * doc/invoke.texi (-fdump-noaddr): Document.
3389 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3390 (ve_info_hash): Likewise.
3392 2006-07-13 Andrew Haley <aph@redhat.com>
3394 PR tree-optimization/19505
3395 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3396 edge leaving this block, make sure that the destination of this
3397 block has only one predecessor.
3399 2006-07-17 Richard Guenther <rguenther@suse.de>
3401 PR tree-optimization/28238
3402 * tree-inline.c (copy_bb): Check if we produced valid
3403 gimple copying and substituting a stmt. If not, gimplify
3406 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3408 * optabs.c (maybe_encapsulate_block): New function extracted from...
3409 (emit_libcall_block): ...here. Invoke it on the block of insns to
3410 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3411 (emit_no_conflict_block): Likewise.
3413 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3415 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3417 2006-07-15 Roger Sayle <roger@eyesopen.com>
3419 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3420 a new NOP_EXPR case of the switch statement.
3422 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3425 * stor-layout.c (place_field): Take the bit field with
3426 an excessive size into account in the ms-bitfiled case.
3429 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3430 the previous bit field.
3432 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3435 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3437 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3439 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3440 signal frames correctly even when the signal was installed with
3443 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3445 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3446 (dbxout_function_end): Use local label LFBB. Remove hook
3448 (dbxout_source_line): Use local label LFBB.
3449 (dbxout_block): Likewise.
3450 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3451 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3452 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3453 and DBX_OUTPUT_NFUN.
3455 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3457 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3459 2006-07-13 Jan Hubicka <jh@suse.cz>
3461 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3463 * output.h (align_variable): Declare.
3464 * varasm.c (align_variable): Export.
3465 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3466 when basic block changed.
3468 2006-07-13 Nick Clifton <nickc@redhat.com>
3470 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3471 walking the LOG_LINKS chain.
3473 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3475 * doc/invoke.texi (C++ Dialect Options): Explain difference
3476 between -fvisibility-inlines-hidden and setting hidden
3477 visibility explicitly.
3479 2006-07-12 Eric Christopher <echristo@apple.com>
3481 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3482 (stmp-lipo): Depend on libgcc.a.
3484 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3486 * tree.c: Fix a comment typo.
3488 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3490 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3492 (umulhisi3_r): Likewise.
3494 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3497 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3498 x < 19, vs wchar_t support.
3500 2006-07-12 Nick Clifton <nickc@redhat.com>
3502 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3503 instead of -isa=sh4.
3505 2006-07-12 Mike Stump <mrs@apple.com>
3507 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3509 2006-07-10 Eric Christopher <echristo@apple.com>
3511 * config/t-slibgcc-darwin: Rewrite.
3513 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3516 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3519 2006-07-08 Matthias Klose <doko@debian.org>
3521 * doc/sourcebuild.texi: Fix typo.
3523 2006-07-07 Mike Stump <mrs@apple.com>
3525 * toplev.c (process_options): Don't give -ffunction-sections may
3526 affect debugging warning for Mach-O.
3528 2006-07-07 James E Wilson <wilson@specifix.com>
3530 * config/mips/mips.md (cpu): Add sb1a.
3531 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3532 addition to sb1. Adjust comments to clarify SB-1A differences from
3534 (ir_sb1a_load): New. Modify bypasses to use it.
3535 (ir_sb1a_simple_alu): Likewise.
3536 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3537 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3538 (mips_issue_rate): Add PROCESSOR_SB1A.
3539 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3540 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3541 (TARGET_SB1): Add PROCESSOR_SB1A check.
3542 (TUNE_SB1): Likewise.
3544 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3545 * config/mips/mips.c (mips_store_data_bypass_p): New.
3546 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3547 store_data_bypass_p.
3549 2006-07-08 Paul Brook <paul@codesourcery.com>
3552 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3554 2006-07-07 Richard Guenther <rguenther@suse.de>
3557 * tree.h (build_one_cst): Declare.
3558 * tree.c (build_one_cst): New function.
3559 * tree-ssa-math-opts.c (get_constant_one): Remove.
3560 (insert_reciprocals): Use build_one_cst.
3561 * fold-const.c (fold_plusminus_mult): Likewise.
3563 2006-07-07 Roger Sayle <roger@eyesopen.com>
3565 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3566 * cfgloopanal.c (dump_graph): Likewise.
3567 * dojump.c (discard_pending_stack_adjust): Likewise.
3568 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3570 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3571 * function.c (finalize_block_changes): Likewise.
3572 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3573 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3574 * rtl.c (dump_rtx_statistics): Likewise.
3575 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3577 * varray.c (dump_varray_statistics): Likewise.
3578 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3579 decode_decimal64, encode_decimal128, decode_decimal128,
3580 decimal_real_to_decimal): Likewise.
3582 2006-07-07 Richard Guenther <rguenther@suse.de>
3584 PR tree-optimization/28187
3585 * tree-vrp.c (vrp_operand_equal_p): New function.
3586 (vrp_bitmap_equal_p): Likewise.
3587 (update_value_range): Use them to compare old and new
3590 2006-07-06 Roger Sayle <roger@eyesopen.com>
3592 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3593 a default case to switch statement to silence compiler warnings.
3595 2006-07-06 Roger Sayle <roger@eyesopen.com>
3598 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3599 the configured assembler supports the x87's ffreep mnemonic.
3600 * configure: Regenerate.
3601 * config.in: Regenerate.
3603 * config/i386/i386.c (output_387_ffreep): New function.
3604 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3605 (output_387_reg_move): Likewise.
3607 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3609 Port to hosts whose 'sort' and 'tail' implementations
3610 treat operands with leading '+' as file names, as POSIX
3611 has required since 2001. However, make sure the code still
3612 works on pre-POSIX hosts.
3613 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3614 which says you should use "tail -c +N" rather than "tail +Nc".
3615 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3617 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3619 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3622 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3625 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3626 PRE_{INC,DEC} of TFmode.
3628 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3629 Alan Modra <amodra@bigpond.net.au>
3632 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3635 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3638 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3639 Remove duplicate gtu.
3641 2006-07-05 Jason Merrill <jason@redhat.com>
3645 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3646 * c-common.c (handle_packed_attribute): So don't copy it here.
3647 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3649 2006-07-05 Mike Stump <mrs@apple.com>
3651 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3653 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3656 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3658 2006-07-05 Richard Guenther <rguenther@suse.de>
3661 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3662 TARGET_SSE2 targets if using SSE math.
3663 (*absdf2_1): Likewise.
3665 2006-07-05 Richard Guenther <rguenther@suse.de>
3667 PR tree-optimization/28162
3668 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3669 make sure to convert the operands to the correct type.
3671 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3673 PR tree-optimization/28218
3675 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3676 to calculate and free the dominator information.
3678 2006-07-04 Peter O'Gorman <peter@pogma.com>
3680 * mklibgcc.in: chmod 644 before ranlib during install.
3682 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3683 J"orn Rennecke <joern.rennecke@st.com>
3685 * configure.ac (.eh_frame data check): Use diff -b.
3687 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3690 * Makefile.in (BUILD_RTL): Add build/vec.o.
3691 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3692 (build/genextract): Delete.
3693 (build/genautomata): Likewise.
3695 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3698 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3699 128-bit IBM long doubles for ABI_V4.
3701 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3703 * tree.c (range_in_array_bounds_p): New predicate.
3704 * tree.h (range_in_array_bounds_p): Declare it.
3705 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3706 return a less conservative answer.
3707 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3708 and flag 'is_group'.
3709 (IS_ELEMENT_FOR_GROUP): New macro.
3710 (FOR_EACH_ACTUAL_CHILD): Likewise.
3711 (next_child_for_group): New helper function.
3712 (can_completely_scalarize_p): Take into account groups.
3713 (sra_hash_tree): Handle RANGE_EXPR.
3714 (sra_elt_eq): Likewise.
3715 (lookup_element): Be prepared for handling groups.
3716 (is_valid_const_index): Delete.
3717 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3718 instead of is_valid_const_index.
3719 <ARRAY_RANGE_REF>: New case.
3720 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3721 is_valid_const_index.
3722 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3723 (scan_dump): Dump info for groups too.
3724 (decide_instantiation_1): Likewise.
3725 (decide_block_copy): Assert that the element is not a group.
3726 Propagate decision to groups.
3727 (generate_one_element_ref): Handle RANGE_EXPR.
3728 (mark_no_warning): Iterate over actual childs.
3729 (generate_copy_inout): Likewise.
3730 (generate_element_copy): Likewise.
3731 (generate_element_zero): Likewise.
3732 (generate_element_init_1): Likewise.
3733 (dump_sra_elt_name): Handle RANGE_EXPR.
3735 2006-07-03 Roger Sayle <roger@eyesopen.com>
3737 PR tree-optimization/26251
3738 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3739 (thread_block): When optimizing for size refuse to thread jumps
3740 that would require duplication of blocks other than redirection
3743 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3745 * configure.ac: Fix thinko in previous check-in.
3746 * configure: Regenerate.
3748 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3751 * configure.ac (for lang...): Simplify nesting of conditionals.
3752 Test subdir_requires for non-enabled languages. Move processing
3753 of lang_opt_files and lang_tree_fiels below that test.
3754 * configure: Regenerate.
3755 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3757 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3759 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3761 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3763 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3766 2006-06-29 Jason Merrill <jason@redhat.com>
3773 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3774 * c-common.c (c_determine_visibility): Handle it here.
3775 * c-decl.c (finish_decl): Call c_determine_visibility for
3777 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3779 * varasm.c (default_assemble_visibility): Likewise.
3780 * c-common.c (handle_visibility_attribute): Complain about trying
3781 to give visibility to an already defined class, or trying to change
3782 declared visibility. Always attach the attribute.
3787 * attribs.c (decl_attributes): Ignore type-in-place attributes
3788 once the type has been defined.
3790 2006-06-29 Roger Sayle <roger@eyesopen.com>
3793 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3794 to indicate the cpplib has issued an error message for us.
3796 2006-06-29 Asher Langton <langton2@llnl.gov>
3799 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3800 insert a label at the end of an function under Mach-O.
3802 2006-06-29 Eric Christopher <echristo@apple.com>
3803 Evan Cheng <evan.cheng@apple.com>
3805 * predicates.md (vector_all_ones_operand): New.
3806 (nonimmediate_or_sse_const_operand): Ditto.
3807 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3808 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3809 (standard_sse_mode_p): Ditto.
3810 (standard_sse_constant_p): Add case for -1 vector.
3811 (ix86_expand_vector_move): Try to use.
3812 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3813 Call standard_sse_constant_opcode.
3814 (*movv4sf_internal): Ditto.
3815 (*movv2df_internal): Ditto.
3817 2006-06-29 Roger Sayle <roger@eyesopen.com>
3819 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3820 of XEXP to extract the operands of a MATCH_CODE rtx.
3822 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3824 * tree.c (tree_size): Do not waste tail padding in
3825 struct tree_string and make the size be the same as
3826 build_string will generate.
3828 2006-06-28 Jason Merrill <jason@redhat.com>
3831 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3832 may_aliases already in the tag's annotations to the bitmap.
3834 2006-06-28 Roger Sayle <roger@eyesopen.com>
3836 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3838 2006-06-28 Roger Sayle <roger@eyesopen.com>
3840 * genpreds.c (generate_switch_p): New function.
3841 (add_mode_tests): Push the new mode test down inside an AND expr
3842 if this allows the switch-suitable MATCH_CODE to be near the root.
3843 (write_match_code_switch): New function to write a MATCH_CODE as
3845 (write_predicate_stmts): New function to write a predicate RTX
3846 expression as a sequence of statements.
3847 (write_one_predicate_function): Use write_predicate_stmts.
3848 (write_tm_constrs_h): Likewise.
3850 2006-06-26 Fred Fish <fnf@specifix.com>
3852 * config/mips/t-sb1: New file.
3853 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3856 2006-06-26 DJ Delorie <dj@redhat.com>
3858 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3860 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3861 Jayant Sonar <jayants@kpitcummins.com>
3862 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3864 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3865 (subsi3, subsi3_1, subsi3_2): New.
3866 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3867 * config/m32c/mov.md (SI mov peephole): New.
3868 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3869 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3871 2006-06-26 Olivier Hainque <hainque@adacore.com>
3873 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3874 a CALL_EXPR target function declaration.
3876 2006-06-26 Richard Guenther <rguenther@suse.de>
3878 * tree.c (build_string): Do not waste tail padding in
3881 2006-06-26 Richard Guenther <rguenther@suse.de>
3883 * ggc-page.c (init_ggc): Add missing element to size_lookup
3887 2006-06-23 Richard Guenther <rguenther@suse.de>
3889 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3890 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3891 alignment requests instead. Add verification code.
3892 Add struct tree_function_decl and struct tree_binfo size to
3893 extra_order_size_table. Add missing element to size_lookup
3896 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3899 * fold-const.c (const_binop): Be prepared for self returning zero.
3900 Simplify code handling complex values.
3902 2006-06-24 Olivier Hainque <hainque@adacore.com>
3904 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3905 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3908 2006-06-24 Olivier Hainque <hainque@adacore.com>
3910 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3911 ARRAY_REF, so have the callback called for the low bound expression.
3913 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3915 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3916 * c-typeck.c (c_common_type): Disallow operations on decimal float
3917 types and other float types.
3918 * convert.c (convert_to_real): Don't ignore conversions involving
3919 decimal float types.
3921 2006-06-23 Olivier Hainque <hainque@adacore.com>
3923 * tree.c (max_int_size_in_bytes): New function, inspired from
3924 code in function.c:assign_temp.
3925 * tree.h (max_int_size_in_bytes): Declare.
3926 * function.c (assign_temp): Use it.
3927 * gimplify.c (create_tmp_var): Relax the assertions on the type
3928 properties, not mandating constant size any more.
3929 (force_constant_size): New static function.
3930 (gimple_add_tmp_var): Use it, forcing variable size to a
3931 constant upper bound if it is not constant on entry.
3933 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3936 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3937 for initialization and setting of one_only flag to ...
3938 (i386_pe_encode_section_info): ...here.
3939 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3940 Recheck that the symbol has not been defined.
3942 2006-06-23 Richard Guenther <rguenther@suse.de>
3944 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3945 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3946 alignment requests instead. Add verification code.
3947 Add struct tree_function_decl and struct tree_binfo size to
3948 extra_order_size_table. Add missing element to size_lookup
3951 2006-06-22 Roger Sayle <roger@eyesopen.com>
3952 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3955 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3956 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3958 2006-06-23 Ben Elliston <bje@au.ibm.com>
3960 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3961 negate dn -- manipulate it directly.
3963 2006-06-22 Roger Sayle <roger@eyesopen.com>
3964 Steven Bosscher <stevenb.gcc@gmail.com>
3967 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3968 generated by gen_move_insn to add REG_LABEL notes if necessary.
3970 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3972 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3973 (leaf_entry): Remove use of MIN_ESA.
3975 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3977 PR rtl-optimization/28121
3978 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3981 2006-06-21 DJ Delorie <dj@redhat.com>
3983 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3985 (mulhisi3_r): Likewise.
3987 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3990 * coverage.c (coverage_counter_alloc): Leave the index type
3992 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3995 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3997 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3998 section from the "Options for Code Generation Conventions".
4000 2006-06-21 Richard Henderson <rth@redhat.com>
4004 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4006 (global_symbolic_operand): Allow weak symbols, even if local_p.
4008 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4010 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4011 (find_interesting_uses_address): Punt if above function returns true.
4013 2006-06-21 Richard Guenther <rguenther@suse.de>
4015 * configure: Regenerated.
4017 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4019 * config/mips/mips.c (function_arg): Where one part of a
4020 complex argument is in registers and the other part in the stack,
4021 return a REG not a PARALLEL.
4023 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4025 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4026 when cross-compiling. Do not substitute libstdcxx_incdir.
4027 * configure: Regenerated.
4029 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4031 * varasm.c (mergeable_string_section): Check for embedded NULs and
4032 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4033 rather than TREE_STRING_LENGTH bytes.
4035 2006-06-21 Richard Guenther <rguenther@suse.de>
4037 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4038 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4041 2006-06-21 Richrad Guenther <rguenther@suse.de>
4043 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4044 Limit iteration over the dominators.
4046 2006-06-20 Roger Sayle <roger@eyesopen.com>
4048 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4049 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4051 2006-06-20 Richard Guenther <rguenther@suse.de>
4052 Michael Matz <matz@suse.de>
4054 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4056 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4057 * et-forest.h (et_free_pools): Prototype new function.
4058 * et-forest.c (et_free_tree_force): Free parent occurrence.
4059 (et_free_pools): New function.
4060 * dominance.c (free_dominance_info): Free et-forest alloc
4063 2006-06-20 Roger Sayle <roger@eyesopen.com>
4065 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4066 integer modes, attempt to directly construct an integer constant.
4068 * fold-const.c (native_encode_vector): Determine the size of each
4069 element from the vector type instead of the first vector element.
4071 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4072 if all of its elements/components are constant.
4073 (build_constructor_from_list): Likewise.
4075 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4077 PR tree-optimization/27331
4078 * tree-data-ref.c (free_data_ref): New function.
4079 (create_data_ref): Fail if the data reference has unknown access
4081 (free_data_refs): Use free_data_ref.
4083 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4086 * tree-inline.c (setup_one_parameter): Strip useless
4087 type conversion before adding it to the IR.
4088 (declare_return_variable): Likewise.
4090 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4093 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4095 2006-06-19 Mike Stump <mrs@apple.com>
4097 * tree.c (variably_modified_type_p): VM arguments don't make the
4100 2006-06-19 Richard Guenther <rguenther@suse.de>
4102 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4103 type conversions after folding.
4105 2006-06-19 Richard Guenther <rguenther@suse.de>
4107 * ggc-page.c (extra_order_size_tab): Add entries with
4108 size of struct function and basic_block.
4109 (size_lookup): Extend to cover sizes up to 511.
4110 (ggc_alloc_stat): Adjust user.
4111 (ggc_pch_count_object): Likewise.
4112 (ggc_pch_alloc_object): Likewise.
4113 (ggc_pch_write_object): Likewise.
4115 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4117 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4118 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4121 2006-06-19 Denis Chertykov <denisc@overta.ru>
4123 * config/avr/libgcc.S : Correct my wrong previous commit.
4125 2006-06-19 Roger Sayle <roger@eyesopen.com>
4128 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4129 have stripped a SUBREG from the shift count, so we may need to
4130 convert_to_mode back to the type's mode before calling make_tree.
4131 Use new_amount instead of amount to avoid expanding a tree twice.
4133 2006-06-19 Richard Guenther <rguenther@suse.de>
4136 * fold-const.c (operand_equal_p): Check if the argument types
4137 have the same precision before stripping NOPs.
4139 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4141 Fix PR tree-optimization/27341
4142 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4144 * tree-complex.c (pass_lower_complex): Update SMT usage.
4146 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4148 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4149 Add a new alternative to the constraint strings. Add move of
4150 operand 1 to 3 to the splitter definition.
4151 ("doloop_si_long"): Second contraint alternative removed.
4153 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4155 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4156 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4158 (AVR_HAVE_MOVW) Define.
4159 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4160 (ASM_SPEC): Add avr25.
4161 (LINK_SPEC): Add avr25.
4162 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4163 (base_arch_s): Add new member 'have_movw_lpmx'.
4164 (avr_arch_types): Init 'have_movw_lpmx'.
4165 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4166 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4167 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4168 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4169 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4171 (avr_file_start): Do not output '.arh' derective.
4172 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4173 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4174 * config/avr/avr.md (mcu_enhanced): Delete.
4175 (mcu_have_movw): Define.
4176 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4177 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4178 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4179 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4180 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4181 attiny861 and at86rf401 devices.
4183 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4185 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4188 2006-06-17 Karl Berry <karl@gnu.org>
4190 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4191 doc/gccint.texi, doc/install.texi (@dircategory): Use
4192 "Software development" instead of "Programming", following
4193 the Free Software Directory.
4195 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4197 * config/i386/i386.c (legitimate_tls_address)
4198 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4199 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4200 (*tls_dynamic_gnu2_combine_64): Likewise.
4202 2006-06-16 Richard Guenther <rguenther@suse.de>
4205 * fold-const.c (negate_expr_p): Do not introduce undefined
4206 overflow in negating INTEGER_CSTs.
4207 (fold_negate_expr): Rename from negate_expr. Revert last
4208 change for folding BIT_NOT_EXPR. Change semantics to
4209 return NULL_TREE for non-simplified negations. Do not
4210 strip type conversions and unify type handling.
4211 (negate_expr): New function, wrap around fold_negate_expr
4212 but ensure building a tree always. Strip type conversions
4213 here, fold to result type.
4214 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4216 2006-06-16 Roger Sayle <roger@eyesopen.com>
4219 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4220 that (would) return their results in stack registers.
4222 2006-06-16 Michael Matz <matz@suse.de>
4223 Richard Guenther <rguenther@suse.de>
4225 * fold-const.c (fold_truthop): Only return new tree node if
4226 we canonicalized something.
4228 2006-06-16 Richard Guenther <rguenther@suse.de>
4230 * function.h (enum function_frequency): Move declaration
4231 out of struct function.
4232 (struct function): Move bool fields and the enum to the bitfield
4233 section. Reorder elements to avoid padding. Remove unused
4234 fields left over from the RTL inliner removal.
4235 * function.c (free_after_compilation): Do not zero removed fields.
4236 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4237 (ipa-type-escape.o): Likewise.
4239 2006-06-16 Richard Guenther <rguenther@suse.de>
4241 * cgraph.h (struct cgraph_local_info): Turn bool elements
4243 (struct cgraph_node): Likewise.
4244 (struct cgraph_varpool_node): Likewise.
4246 2006-06-15 Richard Guenther <rguenther@suse.de>
4248 * fold-const.c (fold_truth_not_expr): Rename from
4249 invert_truthvalue. Give it fold_* semantics to avoid
4251 (invert_truthvalue): New function. Wrapper around
4252 fold_truth_not_expr.
4253 (optimize_minmax_comparison): Avoid creating garbage.
4254 (fold_unary): Use fold_truth_not_expr for folding
4256 (fold_ternary): Replace uses of invert_truthvalue with
4257 fold_truth_not_expr where applicable.
4258 * tree.h (fold_truth_not_expr): Prototype.
4260 2006-06-16 Richard Guenther <rguenther@suse.de>
4262 PR tree-optimization/27781
4263 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4264 * ipa-pure-const.c (target.h): Include.
4265 (analyze_function): Do not analyze functions that do not
4268 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4271 * tree-dfa.c (referenced_vars_dup_list): Remove.
4272 (find_referenced_vars): Remove assert.
4273 (referenced_var_check_and_insert): Replace dup list with assert.
4274 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4275 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4277 2006-06-15 Richard Guenther <rguenther@suse.de>
4279 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4280 extra unused identifiers if not dumping.
4281 (create_variable_info_for): Likewise.
4283 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4285 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4286 (derive_constant_upper_bound): Derive more precise upper bound in
4287 common cases. Return type changed to double_int.
4288 (record_estimate): Reflect the changed return type of
4289 derive_constant_upper_bound.
4290 * double-int.c (double_int_zext, double_int_sext): Fix.
4292 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4294 * configure.ac (CFLAGS): Get them from the toplevel or from the
4295 configure invocation.
4296 * configure: Regenerate.
4297 * Makefile.in (CFLAGS): Substitute value provided by configure.
4299 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4302 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4303 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4304 rather than calling add_stmt on it.
4305 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4307 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4310 * reload1.c (reload): Remove registers returned by update_eliminables
4311 from used_spill_regs.
4313 2006-06-13 DJ Delorie <dj@redhat.com>
4315 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4317 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4319 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4320 html__strip_dir, html__mkdir_p. Enhance install-html target.
4321 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4322 * configure: Regenerate.
4324 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4326 * fold-const.c (fold_cond_expr_with_comparison): Check for
4327 Objective-C++ as language in deciding COND_EXPR transformation.
4329 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4332 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4333 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4334 * config/sh/lib1funcs.h (SL, SL1): Define.
4335 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4336 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4337 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4338 (OBJS_Os_4_200): New variable.
4339 ($(T)libgcc-Os-4-200.a): Use it.
4340 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4341 when dividing 1 and/or by 0.
4343 2006-06-13 Roger Sayle <roger@eyesopen.com>
4345 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4346 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4347 * configure: Regenerate.
4349 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4351 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4352 for real instruction.
4354 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4357 * haifa-sched.c (check_cfg): Handle special case.
4359 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4362 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4363 Add debug_info parameter. Chain the vars to the BLOCK instead
4364 of the BIND_EXPR if debug info are requested for them.
4365 (pop_gimplify_context): Adjust for above change.
4366 (gimple_add_tmp_var): Likewise.
4367 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4369 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4370 (convert_local_reference): Likewise.
4371 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4372 (finalize_nesting_tree_1): Request that debug info be emitted
4373 for debug_var_chain.
4375 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4377 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4378 for PR target/27863.
4380 2006-06-13 Richard Guenther <rguenther@suse.de>
4383 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4385 2006-06-13 Richard Guenther <rguenther@suse.de>
4387 PR tree-optimization/27830
4388 * tree-inline.c (copy_body_r): For copying the operand
4389 of an ADDR_EXPR make sure to fold &* afterwards.
4391 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4393 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4394 lvalues in the fb_none case with side-effects.
4396 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4398 * tree-flow.h: Remove the prototype for
4399 compute_phi_arg_on_exit.
4400 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4401 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4404 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4406 * builtins.c (expand_builtin_return_addr): Only use
4407 frame_pointer_rtx when count == 0 and we are expanding
4408 __builtin_return_address.
4410 2006-06-12 Fred Fish <fnf@specifix.com>
4412 * config/mips/mips.c (mips_file_start): Create special section
4413 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4415 2006-06-11 Eric Christopher <echristo@apple.com>
4418 * stor-layout.c (place_field): Remove check for
4419 remaining_in_alignment when aligning at the end of a run.
4421 2006-06-11 Eric Christopher <echristo@apple.com>
4424 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4427 2006-06-11 Roger Sayle <roger@eyesopen.com>
4430 Revert incorrect fix for PR target/27158
4431 2006-05-08 Roger Sayle <roger@eyesopen.com>
4432 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4433 of a reg_equiv_constant if the result is a legitimate constant.
4435 2006-06-11 Roger Sayle <roger@eyesopen.com>
4438 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4439 extract a CONST_VECTOR element and interpret it as an integer.
4440 (vspltis_constant): Use const_vector_elt_as_int instead of the
4441 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4442 * config/rs6000/predicates.md (easy_vector_const): Consider
4443 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4445 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4448 * stor-layout.c (update_alignment_for_field): Don't add extra
4449 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4452 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4454 * config/mips/t-rtems: Add EL/EB multilib variants.
4456 2006-06-09 Mike Stump <mrs@apple.com>
4458 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4460 2006-06-09 David Daney <ddaney@avtrex.com>
4462 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4464 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4466 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4468 2006-06-09 Richard Guenther <rguenther@suse.de>
4470 PR tree-optimization/26998
4471 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4472 of signed types, only TYPE_MIN_VALUE is special, but for both,
4473 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4474 in this case, as is -fwrapv.
4476 2006-06-08 Mike Stump <mrs@apple.com>
4479 * config/darwin.c (darwin_asm_output_anchor): Disable
4480 -fsection-anchors on darwin for now.
4481 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4482 * rs6000/rs6000.c (optimization_options): Likewise.
4484 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4487 * config/i386/i386.c (classify_argument): Skip fields with invalid
4490 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4492 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4493 (cse_insn): Likewise for the stack_pointer_rtx.
4495 2006-06-08 Roger Sayle <roger@eyesopen.com>
4497 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4498 conditions from floating point comparisons.
4500 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4503 * expmed.c (struct alg_hash_entry): Fix type of field T
4504 to match synth_mult argument.
4505 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4507 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4510 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4513 2006-06-08 Richard Guenther <rguenther@suse.de>
4516 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4517 only, if overflow is defined and not trapping.
4518 (negate_expr): Likewise.
4520 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4522 PR tree-optimization/27872
4523 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4524 flag on the new exit edge of the unrolled loop.
4526 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4528 PR rtl-optimization/26449
4529 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4531 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4534 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4535 referenced_variables with matching DECL_UID's.
4536 (find_referenced_vars): Make sure duplicate list is empty to start.
4537 (referenced_var_p): Remove.
4538 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4539 Check if var is in the list, and add if needed. Update the duplicate
4540 list if a different var is in the list with the same DECL_UID.
4541 (add_referenced_var): Call routine to check and insert.
4542 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4543 * tree-flow.h (referenced_vars_dup_list): External declaration.
4545 2006-06-07 Fred Fish <fnf@specifix.com>
4547 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4550 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4553 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4554 the imaginary and real parts of a clobbered register.
4555 Emit insn to set the imaginary part.
4557 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4559 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4560 in lieu of unwind-dw2-fde.c.
4562 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4564 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4566 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4569 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4570 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4571 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4572 V4SImode temporaries and operations instead.
4574 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4576 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4579 2006-06-06 Mike Stump <mrs@apple.com>
4581 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4582 installing during build.
4584 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4586 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4588 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4589 * config/ia64/ia64.c (params.h): New header.
4590 (ia64_optimization_options): New function to adjust parameters.
4591 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4592 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4593 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4595 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4597 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4599 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4602 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4604 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4605 Victor Kaplansky <victork@il.ibm.com>
4607 PR tree-optimization/26360
4608 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4611 2006-06-04 Roger Sayle <roger@eyesopen.com>
4612 Andrew Pinski <pinskia@physics.uc.edu>
4615 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4616 for LABEL_DECL before calling DECL_WEAK.
4619 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4620 LABEL_DECL and PARM_DECL.
4622 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4626 * c-decl.c (grokdeclarator): Disallow variably modified types at
4627 file scope. Avoid marking shared array type of constant size as
4630 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4633 * c-common.c (fold_offsetof_1): Handle static members.
4635 2006-06-04 Eric Christopher <echristo@apple.com>
4637 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4638 (debug_rli): Output value for remaining_in_alignment.
4639 (update_alignment_for_field): Unconditionalize
4640 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4641 extra alignment code.
4642 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4643 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4644 * tree.h (record_layout_info_s): Remove prev_packed.
4645 * doc/extend.texi (ms_struct): Add documentation of format.
4647 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4649 * tree.h: Declare folding_initializer.
4650 * builtins.c (fold_builtin_constant_p): Give definite answer
4651 if folding inside an initializer.
4652 * fold-const.c: Define folding_initializer.
4653 (START_FOLD_INIT): Save and then set folding_initializer.
4654 (END_FOLD_INIT): Restore folding_initializer.
4656 2006-06-04 Richard Guenther <rguenther@suse.de>
4658 PR tree-optimization/27039
4659 * fold-const.c (fold_comparison): Handle pointer comparison
4660 again for all comparison codes. Compare offsets in signed
4662 (fold_binary): Move code from here.
4664 2006-06-03 Roger Sayle <roger@eyesopen.com>
4667 * config/i386/i386.c (construct_container): Split static issued_error
4668 flag into issued_sse_arg_error, issued_sse_ret_error and
4669 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4670 requires the use of x87 registers and the user explicitly
4671 specified the -mno-80387 command line option.
4673 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4675 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4676 HAVE_DECL_SIGALTSTACK.
4678 (segv_handler): Use MC_FLD.
4679 * configure.ac: Check for a sigaltstack declaration.
4680 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4681 * configure: Regenerate.
4682 * config.in: Regenerate.
4684 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4687 * Makefile.in (stmp-fixinc): Fix typo.
4689 2006-06-02 Roger Sayle <roger@eyesopen.com>
4691 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4692 are type correct. Clean-up.
4693 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4694 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4696 2006-06-01 DJ Delorie <dj@redhat.com>
4698 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4699 shift, as we've disabled the "switch" insn that needs it.
4701 2006-06-01 Per Bothner <bothner@bothner.com>
4703 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4704 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4705 * c-ppoutput.c (cb_define): Don't increment line 0.
4707 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4709 * doc/invoke.texi: Add cpu_type power6.
4710 * config.gcc: Add cpu_type power6.
4711 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4712 to power5+ with Altivec.
4713 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4714 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4716 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4718 * config/avr/avr.h (SET_ASM_OP): Define.
4720 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4722 * config/bfin/bfin.c: Fix comment typos.
4724 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4727 * doc/install.texi: Document --enable-bootstrap and
4728 --disable-bootstrap.
4730 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4732 * doc/install.texi: Document that InfoZIP can replace jar.
4734 2006-05-31 Roger Sayle <roger@eyesopen.com>
4736 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4737 isn't available, directly generate the simpler x87 patterns without
4738 the (use (const_int 0)).
4739 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4740 implementation isn't available.
4741 (*negdf2_1): Likewise.
4742 (*negxf2_1): XF mode negation is always done using the x87.
4743 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4745 2006-05-31 Roger Sayle <roger@eyesopen.com>
4747 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4748 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4750 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4752 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4754 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4755 * config/bfin/bfin.c (basic-block.h): Include.
4756 (struct machine_function): New.
4757 (bfin_init_machine_status): New.
4758 (override_options): Initialize init_machine_status.
4759 (bfin_hardware_loop): New.
4760 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4761 (DEF_VEC_P (loop_info)): New.
4762 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4763 (struct loop_info): New.
4764 (loop_info): New typedef.
4765 (struct loop_work): New.
4766 (loop_work): New typedef.
4767 (DEF_VEC_O (loop_work)): New.
4768 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4769 (bfin_dump_loops): New.
4770 (bfin_bb_in_loop): New.
4771 (bfin_scan_loop): New.
4772 (bfin_optimize_loop): New.
4773 (bfin_reorg_loops): New.
4774 (bfin_reorg): Use bfin_reorg_loops.
4775 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4777 (I_REGNO_P): Simplify.
4778 (DP_REGNO_P, DPREG_P): New macros.
4779 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4780 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4781 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4782 Add LT_REGS, LC_REGS, LB_REGS.
4783 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4785 (REGNO_REG_CLASS): Deal with loop registers.
4786 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4788 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4789 New constants for loop registers.
4790 (UNSPEC_LSETUP_END): New.
4791 (seq_insns): New define_attr. Set it for appropriate insns.
4792 (movsi_insn): Add alternatives for move from/to
4793 loop count registers.
4794 (doloop_end): New define_expand.
4795 (loop_end): New define_insn.
4796 (define_split for bad doloop_end): New.
4797 (lsetup_with_autoinit): New define_insn.
4798 (lsetup_without_autoinit): New define_insn.
4799 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4800 * config/bfin/predicates.md (lc_register_operand): New.
4801 (lt_register_operand): New.
4802 (lb_register_operand): New.
4803 (nondp_register_operand): New.
4804 (nondp_reg_or_memory_operand): New.
4805 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4807 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4809 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4810 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4812 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4814 * Makefile.in (CATALOGS): Add po/ prefix.
4815 * configure: Regenerated.
4817 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4820 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4821 a shift operand before calling shift_op. Avoid redundant call of
4824 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4825 DJ Delorie <dj@redhat.com>
4827 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4828 we're inserting is a singlt-bit constant.
4830 2006-05-30 Roger Sayle <roger@eyesopen.com>
4832 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4833 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4835 2006-05-30 Roger Sayle <roger@eyesopen.com>
4837 PR tree-optimization/23452
4838 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4839 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4840 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4841 complex values and with -ffast-math for FP complex values.
4843 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4845 * c-common.h: Remove the prototype for yyparse.
4846 * rtl.h: Remove the prototype for init_loop.
4848 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4850 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4853 2006-05-30 Roger Sayle <roger@eyesopen.com>
4855 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4857 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4858 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4860 2006-05-30 Dirk Mueller <dmueller@suse.de>
4863 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4864 for CONSTANT_CLASS_P expresisons.
4866 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4869 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4871 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4873 PR tree-optimization/27779
4874 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4875 initial_condition instead of CHREC_LEFT.
4877 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4879 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4880 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4881 Make prototypes ISO C90.
4883 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4884 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4886 * see.c (see_analyze_one_def): Correct check.
4887 (see_get_extension_data): Check if extension is parallel.
4888 (see_get_extension_reg): Likewise.
4890 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4893 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4894 into register for (code == GTU).
4896 2006-05-29 Roger Sayle <roger@eyesopen.com>
4898 PR tree-optimization/24964
4899 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4900 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4901 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4902 abs(x)*abs(x) as x*x for scalar floating point modes.
4904 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4907 * lambda-code.c (perfect_nestify): Don't copy statements
4908 in the inner loop: move them to the inner loop header.
4910 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4913 * c-tree.texi: Document OpenMP directives and clauses.
4915 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4917 * varasm.c (globalize_decl): Fix indentation.
4919 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4922 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4923 pass_fre, pass_store_ccp, pass_copy_prop,
4924 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4925 pass_return_slot, pass_object_size, pass_lim,
4926 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4927 pass_loop_prefetch and pass_stdarg.
4929 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4931 * config/bfin/bfin.opt (mfdpic): New option.
4932 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4933 (EXTRA_MULTILIB_PARTS): Likewise.
4934 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4935 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4937 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4938 (CRT_CALL_STATIC_FUNCTION): New.
4939 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4941 (CRT_CALL_STATIC_FUNCTION): New.
4942 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4944 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4945 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4946 (initialize_trampoline): Changed to handle FD-PIC code generation.
4947 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4948 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4949 (override_options): Disallow -mid-shared-library -mfdpic combination.
4950 Can't do unaligned ops if FD-PIC.
4951 Turn off flag_pic if trying to generate non-id-shared-library
4952 non-fdpic code, since it's not supported.
4953 (bfin_assemble_integer): New function.
4954 (TARGET_ASM_INTEGER): Define.
4955 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4957 * config/bfin/crtn.s: Restore them.
4958 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4960 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4961 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4962 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4963 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4964 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4966 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4967 FDPIC_REGS and FDPIC_FPTR_REGS.
4968 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4969 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4970 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4971 (load_funcdescsi): New pattern.
4972 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4973 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4974 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4976 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4978 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4981 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4983 * tree-flow.h: Remove the prototype for add_type_alias.
4984 * tree-ssa-alias.c (add_type_alias): Remove.
4986 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4988 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4989 config/fr30/fr30.md, config/i386/i386-interix.h,
4990 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4991 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4992 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4993 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4994 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4995 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4996 Follow spelling conventions.
4997 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4998 Follow spelling conventions.
5000 2006-05-27 Richard Guenther <rguenther@suse.de>
5003 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5004 to produce a constant of value 1 of generic type.
5006 2006-05-27 Dirk Mueller <dmueller@suse.de>
5008 * cgraphunit.c (decide_is_function_needed): Fix wrong
5011 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5013 PR rtl-optimization/27661
5014 * reload.c (find_reloads): When reloading a VOIDmode constant
5015 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5016 use Pmode as mode of the reload register.
5018 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5020 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5021 is enabled at -O and above.
5023 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5026 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5029 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5032 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5033 for anonymous variables explicitly declared by front ends.
5035 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5037 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5038 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5039 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5040 ref-all pointers, run a finalization pass for them.
5041 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5042 (finalize_ref_all_pointers): New function.
5043 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5044 regular pointer type to a ref-all pointer type.
5045 (get_tmt_for): Return the special memory tag for ref-all pointers.
5047 2006-05-25 Richard Guenther <rguenther@suse.de>
5050 * fold-const.c (fold_binary): Do not look at the stripped
5051 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5053 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5055 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5056 for LT and GT if the computed range is effectively empty.
5058 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5061 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5062 mips_quad_format formats instead of ieee_single_format,
5063 ieee_double_format and ieee_quad_format formats, respectively.
5065 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5067 PR tree-optimization/27639
5068 PR tree-optimization/26719
5069 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5070 call to scev_probably_wraps_p.
5071 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5072 used_in_pointer_arithmetic_p, convert_step): Removed.
5073 (nowrap_type_p): New function.
5074 (scev_probably_wraps_p): Rewritten.
5075 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5076 chrec_convert if chrec_convert_aggressive might have been used.
5077 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5078 scev_direction): New functions.
5079 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5080 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5081 instead of convert_step.
5082 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5083 (convert_step): Declaration removed.
5084 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5086 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5088 * df-core.c: Added to header comments.
5089 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5090 df_ur_bb_info, df_urec_bb_info): Added comments.
5091 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5092 urec, ri problems): Fixed header comments.
5093 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5094 code from df_rd_transfer_function.
5096 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5098 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5099 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5100 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5102 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5104 * expr.c (undefined_operand_subword_p): New.
5105 (emit_move_multi_word): Do not generate move from undefined bits
5106 of a paradoxical subreg.
5108 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5110 PR rtl-optimization/27736
5111 * combine.c (replaced_rhs_value): New variable.
5112 (combine_instructions): Set it.
5113 (distribute_notes): When distributing a note in replaced_rhs_insn,
5114 check whether the value was used in replaced_rhs_value.
5116 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5119 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5120 add_referenced_var instead of add_referenced_tmp_var.
5121 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5122 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5124 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5125 tree_optimize_tail_calls_1): Use add_referenced_var.
5126 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5127 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5128 Use add_referenced_var.
5129 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5130 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5131 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5132 Use add_referenced_var.
5133 * tree-dfa.c (struct walk_state): Remove.
5134 (find_referenced_vars): Remove walk state and vars_found hash table.
5135 (make_rename_temp): Use add_referenced_var.
5136 (find_vars_r): Pass less parameters to add_referenced_var.
5137 (referenced_var_p): New. Is var in referenced_var hash table.
5138 (referenced_var_insert): Assert var isn't already in hash table.
5139 (add_referenced_var): Don't need walk_state parameter. Add var if it
5140 isn't already in the hash table.
5141 (add_referenced_tmp_var): Remove.
5142 (find_new_referenced_vars_1): Use add_referenced_var.
5143 * tree-ssa-pre.c (create_expression_by_pieces,
5144 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5145 Use add_referenced_var.
5146 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5147 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5148 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5150 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5151 vect_create_data_ref_ptr, vect_create_destination_var,
5152 vect_init_vector, vect_build_loop_niters,
5153 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5154 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5155 Use add_referenced_var.
5156 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5157 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5158 (add_referenced_var): Add prototype.
5159 * tree-ssa-structalias.c (get_constraint_for,
5160 intra_create_variable_infos): Use add_referenced_var.
5162 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5164 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5165 big-endian paradoxical subregs.
5166 * var-tracking.c (struct micro_operation_def): Document that,
5167 for modify micro operations, insn is the subsequent instruction.
5168 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5169 (var_reg_set, var_mem_set): ... new functions.
5170 (add_stores): Record subsequent insn.
5171 (compute_bb_dataflow): Use new functions for MO_USE.
5172 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5173 notes after the insn, and modify notes before the insn known
5174 to be the subsequent one.
5175 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5177 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5180 * config/i386/i386.c (ix86_expand_builtin): Use
5181 gen_sse3_monitor64 for TARGET_64BIT.
5183 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5185 PR rtl-optimization/26375
5186 PR rtl-optimization/26855
5187 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5189 (df_ru_bb_local_compute): Reversed statements and removed bogus
5190 comment explaining why they should be in wrong order.
5191 (df_ru_dump, df_rd_dump): Enhanced debug info.
5192 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5194 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5195 reaching uses and fixed space problem.
5197 2006-05-23 Jan Hubicka <jh@suse.cz>
5199 * cgraphunit.c (decide_is_function_needed): Also nested functions
5200 and functions declared inline can be optimized out at -O0.
5202 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5204 * doc/install.texi (Configuration): Remove reference to CrossGCC
5208 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5211 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5212 ix86_compare_emitted is non-NULL.
5214 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5217 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5220 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5222 PR rtl-optimization/25514
5223 * combine.c (replaced_rhs_insn): New variable.
5224 (combine_instructions): Set replaced_rhs_insn when trying to replace
5225 a SET_SRC with a REG_EQUAL note.
5226 (distribute_notes): Use replaced_rhs_insn when determining the live
5227 range of a REG_DEAD register.
5229 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5230 Anatoly Sokolov <aesok@post.ru>
5232 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5233 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5234 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5235 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5236 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5237 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5238 at90usb647, at90usb1286 and at90usb1287 devices.
5239 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5240 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5242 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5244 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5246 2006-05-22 Richard Guenther <rguenther@suse.de>
5249 2006-01-31 Richard Guenther <rguenther@suse.de>
5250 Paolo Bonzini <bonzini@gnu.org>
5252 * doc/install.texi (--disable-libgcc-math): Document.
5254 2006-05-22 Richard Guenther <rguenther@suse.de>
5257 2006-01-31 Richard Guenther <rguenther@suse.de>
5259 * doc/invoke.texi (-msselibm): Document.
5260 * target.h (expand_library_builtin): New target hook.
5261 * builtins.c (expand_builtin): Use expand_library_builtin.
5262 (default_expand_library_builtin): New function.
5263 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5264 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5265 (link_gcc_math_spec): Declare.
5266 (static_specs): Add link_gcc_math_spec.
5267 * expr.h (default_expand_library_builtin): Declare.
5268 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5269 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5270 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5271 * config/i386/i386.opt (msselibm): New target option.
5272 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5273 (ix86_init_sse_abi_builtins): New function.
5274 (ix86_expand_library_builtin): Likewise.
5275 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5276 (override_options): Handle error conditions wrt -msselibm.
5277 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5278 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5279 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5282 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5285 * c-common.c (self_promoting_args_p): Skip erroneous args.
5288 * c-decl.c (finish_struct): Skip erroneous fields.
5290 2006-05-22 Nick Clifton <nickc@redhat.com>
5292 * config/cris/cris.opt (march): Remove VarExists attribute.
5293 (max-stackframe=): Likewise.
5295 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5297 * doc/rtl.texi: Fix a typo.
5298 * see.c: Fix comment typos.
5300 * tree-ssa-structalias.h (alias_info): Remove num_references.
5302 2006-05-21 Mike Stump <mrs@apple.com>
5304 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5306 (darwin_pragma_options): Use BAD instead.
5307 (darwin_pragma_unused): Likewise.
5308 (darwin_pragma_ms_struct): Likewise.
5310 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5312 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5314 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5316 PR rtl-optimization/27671
5317 * simplify-rtx.c (simplify_relational_operation_1): Fix
5318 simplifications of (eq/ne (xor x y) y) and
5319 (eq/ne (xor x y) x).
5321 PR tree-optimization/26622.
5322 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5325 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5327 * tree-cfg.c: Prune whitespace.
5328 (debug_tree_cfg): Point to correct header containing the
5331 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5334 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5336 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5339 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5340 or sorry count is non zero.
5342 2006-05-20 Andreas Schwab <schwab@suse.de>
5344 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5346 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5347 Kenneth Zadeck <zadeck@naturalbridge.com>
5349 PR rtl-optimization/26855
5351 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5353 (df_scan_alloc): Added code to properly handle multiword hard
5354 registers and add all_blocks parameter.
5355 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5356 code to properly handle multiword hard registers.
5357 (df_rescan_blocks): Added code to remove deleted blocks from
5359 (df_ref_create_structure, df_ref_record): Added code to properly
5361 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5362 and set DF_REF_PARTIAL.
5363 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5364 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5365 (df_scan_add_problem): Added flags parameter.
5366 (df_ref_create_structure): Changed switching structure.
5367 (df_bb_refs_record): Fixed case where duplicate artificial refs
5368 were created. Changed location of flags.
5369 (df_record_entry_block_defs): Added code to make stack pointer
5370 live in entry block. Refined cases where frame pointer is needed.
5371 Changed location of flags.
5372 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5373 (df_set_state): Removed function.
5374 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5375 df_insn_create_insn_record, df_insn_refs_delete,
5376 df_ref_create_structure): Formatting changes.
5377 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5378 df_delete_basic_block): New function.
5379 (df_init): Changed location of flags.
5380 (df_add_problem): Added flags parameter and the way flags are
5382 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5383 debug_df_chain): Improved debugging output.
5384 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5385 (df_refs_chain_dump): Removed df parameter.
5386 (df_iterative_dataflow): Added consistency check.
5387 (df_prune_to_subcfg): Made public.
5388 (df_analyze_problem): Added blocks_to_init parameter and made
5390 (df_ref_record, df_bb_refs_record, df_mark_reg,
5391 df_record_exit_block_uses): Whitespace changes.
5392 (df_dump): Whitespace changes.
5393 * df.h: Some reordering to remove forward references.
5394 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5395 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5396 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5397 (dataflow.flags): New field.
5398 (df.flag): Deleted field.
5399 (df_alloc_function): Added additional bitmap parameter.
5400 (df_dependent_problem_function): New type.
5401 (df_problem.changeable_flags): New field.
5402 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5403 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5404 (df_mw_hardreg): New struct.
5405 (DF_INSN_UID_MWS): New macro.
5406 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5408 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5409 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5410 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5411 (df_set_state): Removed function.
5412 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5413 * df-problems.c (df_chain_dump): Removed df parameter.
5414 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5415 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5417 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5418 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5419 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5420 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5421 DF_REF_MUST_CLOBBER cases.
5422 (df_ru_bb_local_compute_process_def,
5423 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5424 df_lr_bb_local_compute, df_ur_bb_local_compute,
5425 df_chain_create_bb): Made subreg aware.
5426 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5427 df_lr_bb_local_compute, df_lr_bb_local_compute,
5428 df_chain_create_bb): Cleanup to use proper macros.
5429 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5430 code to fixup bitvectors.
5431 (df_ri_alloc): Cleared lifetime.
5432 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5433 df_create_unused_note): New function.
5434 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5435 REG_DEAD and REG_UNUSED notes as well as register information.
5436 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5437 df_chains_dump): Fixed crash if problem was never run.
5438 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5439 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5440 df_ri_add_problem): Processes flags in uniform manner.
5441 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5442 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5443 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5444 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5445 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5446 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5447 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5448 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5449 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5450 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5451 * see.c (see_initialize_data): Ditto.
5452 * final.c (rest_of_clean_state) Added regstack_completed.
5453 * rtl.h (regstack_completed): Ditto.
5454 * reg-stack.c (regstack_completed): Ditto.
5456 2006-05-19 Mike Stump <mrs@apple.com>
5458 * c-tree.h (default_conversion): Remove.
5459 * c-common.h (default_conversion): Add.
5461 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5463 * tree-vrp.c (valid_value_p): New function.
5464 (adjust_range_with_scev): Fail if the value of bound is not
5467 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5469 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5470 (mips_fallback_frame_state): Use syscall numbers to determine
5471 the appropriate li instruction for the current ABI. Only use
5472 __NR_sigreturn for o32.
5474 2006-05-19 Nicolas Setton <setton@adacore.com>
5476 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5477 * langhooks.c (lhd_dwarf_name): New function.
5478 * langhooks-def.h (lhd_dwarf_name): Declare.
5479 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5480 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5481 * ada/misc.c (gnat_dwarf_name): New function.
5482 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5484 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5486 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5488 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5489 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5490 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5491 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5492 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5493 determine the size of Wtype, etc.
5494 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5495 (swfloatfuncs): New variable.
5496 (dwfloatfuncs): Likewise.
5497 (lib2funcs): Remove floating-point conversion functions from
5498 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5499 the set of conversion routines needed. Allow entries to specify
5500 an object name, filename and word size. Update users accordingly.
5501 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5502 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5506 2006-02-08 Roger Sayle <roger@eyesopen.com>
5509 * config/fixtfdi.c: New libgcc source file.
5510 * config/fixunstfdi.c: New source file.
5511 * config/floatditf.c: New source file.
5512 * config/floatunditf.c: New souce file.
5513 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5514 files above instead of config/mips/_tilib.c.
5515 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5517 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5519 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5520 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5522 2006-05-18 Mike Stump <mrs@apple.com>
5524 Fix up vla, vm and [*] sematics.
5530 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5531 (c_vla_unspec_p): Add.
5532 (c_vla_type_p): Add.
5533 * c-decl.c (struct c_scope): Add had_vla_unspec.
5534 (build_array_declarator): Add support for [*].
5535 (grokdeclarator): Likewise.
5536 (grokparms): Likewise.
5537 (get_parm_info): Likewise.
5538 * c-objc-common.c (c_vla_unspec_p): Likewise.
5539 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5540 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5541 typeof when argument is a variably modified type not inside sizeof or alignof.
5542 (c_parser_direct_declarator_inner): Propagate errors.
5543 (c_parser_sizeof_expression): Add support for [*].
5544 (c_parser_parms_declarator): Initialize had_vla_unspec.
5545 (c_parser_parms_list_declarator): Likewise.
5546 * c-typeck.c (c_vla_type_p): Add.
5547 (composite_type): Add support for vla compositing.
5548 (comptypes_internal): Add support for vla compatibility.
5549 (c_expr_sizeof_expr): Evaluate vla arguments.
5550 * tree.c (variably_modified_type_p): Update comment for [*].
5552 2006-05-18 Michael Matz <matz@suse.de>
5555 * config.host: Make assignments to host_xmake_file cumulative.
5556 * config.host (*-darwin*): Test $host, not $target.
5558 2006-05-12 Stuart Hastings <stuart@apple.com>
5560 * config/i386/i386.opt (-mstackrealign): New flag.
5561 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5562 (ix86_handle_cconv_attribute): Emit error when
5563 force_align_arg_pointer attribute collides with too many regparms.
5564 (ix86_function_regparm): Limit regparms when used with
5565 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5566 Support stack-realigning prologue in non-main functions. Emit
5567 warning for nested functions under -mstackrealign, emit error for
5568 nested functions with force_align_arg_pointer attribute.
5569 * doc/extend.texi (force_align_arg_pointer): Document it.
5570 * doc/invoke.texi (-mstackrealign): Document it.
5572 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5574 PR rtl-optimization/27477
5575 * combine.c (try_combine): Don't split a parallel consisting
5576 of two sets into two individual sets if both sets reference
5579 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5581 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5582 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5584 * doc/options.texi (VarExists): Updated.
5586 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5588 * unwind-dw2.c: Add declarations for uw_update_context and
5590 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5591 detected, advance frame state and context once to skip over stub.
5593 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5597 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5598 Call rewrite_into_loop_closed_ssa only when something changed.
5599 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5600 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5601 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5602 Test for perfect_nest_p here. Fix formating.
5603 (replace_uses_equiv_to_x_with_y): Fix formating.
5604 (stmt_uses_op): Removed.
5605 (can_convert_to_perfect_nest): Removed loopivs parameter.
5606 Complete the test by checking the scalar dependences.
5607 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5610 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5613 From Dan Kegel <dank@kegel.com>:
5614 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5616 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5618 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5619 if the element type is variably modified without recursing.
5621 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5624 * tree-loop-linear.c (try_interchange_loops): Test for
5625 no data dependences.
5627 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5629 PR tree-optimization/27548
5630 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5631 range of ssa names that appear on abnormal edges.
5632 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5633 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5635 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5638 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5640 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5643 * tree.h (OMP_PARALLEL_COMBINED): Define.
5644 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5645 (new_omp_context): Add is_combined_parallel argument.
5646 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5647 new_omp_context caller.
5648 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5649 Adjust gimplify_scan_omp_clauses callers.
5650 (omp_is_private): Issue errors if iteration variable is firstprivate
5651 or reduction in the current context.
5652 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5653 on combined parallel workshare constructs.
5655 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5657 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5658 (gcc-options.o): New rule.
5660 * optc-gen.awk: Protect variables for gcc-options.o with
5661 #ifdef GCC_DRIVER/#endif.
5663 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5665 Fix PR tree-optimization/27373
5666 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5667 (forward_propagate_addr_expr): Update call.
5669 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5671 * doc/options.texi: Move the Negative option.
5673 2006-05-16 Richard Guenther <rguenther@suse.de>
5675 PR tree-optimization/22303
5676 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5678 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5679 ccp_fold did not simplify the statement.
5681 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5684 * Makefile.in (GCC_OBJS): New.
5685 (OBJS-common): Add opts-common.o.
5686 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5687 (cpp$(exeext)): Likewise.
5688 (gcc.o): Also depend on opts.h.
5689 (opts-common.o): New.
5691 * common.opt (gcoff): Add Negative(gdwarf-2).
5692 (gdwarf-2): Add Negative(gstabs).
5693 (gstabs): Add Negative(gstabs+).
5694 (gstabs+): Add Negative(gvms).
5695 (gvms): Add Negative(gxcoff).
5696 (gxcoff): Add Negative(gxcoff+).
5697 (gxcoff+): Add Negative(gcoff).
5698 * config/i386/i386.opt (m32): Add Negative(m64).
5699 (m64): Add Negative(m32).
5701 * doc/options.texi: Document the Negative option.
5703 * gcc.c: Include "opts.h".
5704 (main): Call prune_options after expandargv.
5706 * optc-gen.awk: Generate common declarations for all flag
5707 variables in options.c. Output the neg_index field.
5709 * opts.c (find_opt): Moved to ...
5710 * opts-common.c: Here. New file.
5712 * opts.h (cl_option): Add a neg_index field.
5714 (prune_options): Likewise.
5716 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5719 * omp-low.c (expand_omp_parallel): Don't assert
5720 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5721 instead search for it.
5724 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5727 2006-05-16 Andreas Schwab <schwab@suse.de>
5729 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5732 2006-05-15 Roger Sayle <roger@eyesopen.com>
5735 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5736 integer constants other than zero are only legitimate on TARGET_64BIT.
5737 <CONST_VECTOR> Only zero vectors are legitimate.
5738 (ix86_cannot_force_const_mem): Integral and vector constants can
5739 always be put in the constant pool.
5741 2006-05-16 DJ Delorie <dj@redhat.com>
5743 * crtstuff.c (__dso_handle): Set section from
5744 TARGET_LBIGCC_SDATA_SECTION if defined.
5745 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5746 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5748 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5751 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5754 2006-05-16 Ben Elliston <bje@au.ibm.com>
5756 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5758 2006-05-15 Per Bothner <per@bothner.com>
5760 * tree.c: (last_annotated_node): Use source_locus typedef.
5761 This permits bootstrapping with --enable-mapped-location.
5763 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5765 PR tree-optimization/26830
5766 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5767 (info_for_ssa_name, current_info_for_ssa_name_age,
5768 blocks_to_update): New variables.
5769 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5770 (clear_ssa_name_info, initialize_flags_in_bb,
5771 mark_block_for_update): New functions.
5772 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5773 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5774 prepare_def_site_for): Use mark_block_for_update.
5775 (mark_def_interesting): Assert that the processed block is marked in
5776 blocks_to_update. Do not take blocks argument.
5777 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5779 (rewrite_update_init_block, rewrite_update_stmt): Only process
5780 blocks with statements to rewrite.
5781 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5782 (update_ssa): Initialize and free blocks_to_update. Do not
5783 clear flags on statements. Do not use blocks bitmap.
5784 * tree.h (SSA_NAME_AUX): Removed.
5785 (struct tree_ssa_name): Removed aux field.
5786 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5788 2006-05-15 Richard Guenther <rguenther@suse.de>
5790 PR tree-optimization/27603
5791 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5792 Do computations in original type.
5794 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5796 * see.c: Code style changes such as redundant paranthesis,
5797 redundant intialization of local variables etc.
5798 (see_main): Declared now as static.
5799 * doc/invoke.texi: Update that -fsee is not enabled by
5802 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5804 * omp-low.c (check_omp_nesting_restrictions): New function.
5805 (scan_omp_1): Call it.
5808 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5809 construct, return *VAR.
5811 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5813 PR rtl-optimization/27406
5814 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5817 2006-05-14 Roger Sayle <roger@eyesopen.com>
5819 PR rtl-optimization/27538
5820 * combine.c (expand_compound_operation): Call gen_lowpart
5821 before calling simplify_shift_const.
5823 2006-05-14 Roger Sayle <roger@eyesopen.com>
5825 PR rtl-optimization/22563
5826 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5827 a fixed width bitfield, always force the intermediates into psuedos.
5829 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5832 * mkconfig.sh: Use operator = instead of == for test.
5834 2006-05-13 Nick Clifton <nickc@redhat.com>
5836 * dwarf2out.c (dbx_reg_number): Check return value from
5837 LEAF_REG_REMAP and only use it if it is valid.
5838 (multiple_reg_loc_descriptor): Likewise.
5840 2006-05-13 Richard Guenther <rguenther@suse.de>
5842 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5845 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5847 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5848 information attached to non-INSNs such as NOTEs.
5849 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5851 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5853 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5855 * config/s390/s390.md: Adjust comment describing On constraint.
5857 2006-05-11 Jan Hubicka <jh@suse.cz>
5859 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5860 to be output at -O0.
5862 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5865 * fold-const.c (size_binop): Move sanity check for arguments to
5866 the beginning of the function.
5869 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5872 2006-05-11 Richard Guenther <rguenther@suse.de>
5875 * fold-const.c (fold_unary): Handle intermediate conversion
5876 to a pointer type like intermediate conversion to an integer
5877 type in folding of (T1)(T2)var to var.
5878 Match the code to the comment in the final conversion for
5879 (T1)(T2)var to (T1)var regarding to type precision. Rather
5880 than disallow T1 being of pointer type, assert that both T1
5881 and var are of pointer type or not. Make sure not to fall
5882 over the frontends lazyness wrt array to pointer decay though.
5884 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5886 * arm.c (arm_struct_value_rtx): Delete.
5887 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5888 (arm_init_cumulative_args): Always initialize nregs to zero.
5890 2006-05-10 Richard Guenther <rguenther@suse.de>
5892 PR tree-optimization/27532
5893 * tree-object-size.c (plus_expr_object_size): Fix typo.
5895 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5898 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5899 ashrdi_const, ashrdi3): Use a scratch register.
5901 2006-05-10 Richard Guenther <rguenther@suse.de>
5903 PR tree-optimization/27302
5904 * fold-const.c (operand_equal_p): For two comparisons,
5905 try comparison of one comparison code swapped if that yields
5908 2006-05-10 Ben Elliston <bje@au.ibm.com>
5910 * tree-pretty-print.c (pretty_print_string): No need to handle
5911 '\0' as a special character.
5913 * tree.h: Include "hashtab.h".
5914 (iterative_hash_expr): Use hashval_t in its prototype.
5915 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5917 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5920 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5921 (hppa*64*-*-hpux11*): Ditto.
5922 (hppa[12]*-*-hpux11*): Ditto.
5924 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5927 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5929 2006-05-09 Michael Matz <matz@suse.de>
5931 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5932 host_extra_gcc_objs and host_xmake_file.
5933 (<*-*-linux*>): Don't overwrite host_xmake_file.
5934 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5935 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5936 (host_detect_local_cpu): Declare.
5937 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5938 * config/i386/i386.c (override_options): Handle -mtune=native
5940 * config/i386/x-i386: New file.
5941 * config/i386/driver-i386.c: New file.
5942 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5945 2006-05-09 Dirk Mueller <dmueller@suse.de>
5946 Richard Guenther <rguenther@suse.de>
5949 * fold-const.c (fold_read_from_constant_string): Relax check
5950 for matching types to matching modes.
5952 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5954 PR rtl-optimization/27335
5955 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5958 2006-05-08 Chao-ying Fu <fu@mips.com>
5959 Richard Sandiford <richard@codesourcery.com>
5961 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5962 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5963 * config/mips/mips.md (UNSPEC_SCC): New constant.
5964 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5965 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5966 (mips_emit_compare): Use it.
5967 (mips_expand_vcondv2sf): New function.
5969 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5971 Fix PR tree-optimization/27093
5972 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5973 renaming when they become not-used_alone.
5975 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5977 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5978 relocation and relocation stubs.
5980 2006-05-08 Eric Christopher <echristo@apple.com>
5982 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5985 2006-05-08 Jan Hubicka <jh@suse.cz>
5988 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5989 unused static functions are needed.
5991 2006-05-08 Roger Sayle <roger@eyesopen.com>
5994 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5995 of a reg_equiv_constant if the result is a legitimate constant.
5997 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6000 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6001 standard 80387 constants, raise the cost to prevent
6002 compress_float_constant() to generate load from memory.
6004 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6006 * config/arm/constraints.md (c): Fix a typo.
6008 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6011 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6014 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6016 (_mm_mwait): Likewise.
6018 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6020 (sse3_monitor): Make it 32bit only.
6021 (sse3_monitor64): New. 64bit monitor.
6023 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6026 * config/i386/i386.c (classify_argument): Skip fields with invalid
6029 2006-05-07 Richard Guenther <rguenther@suse.de>
6031 PR tree-optimization/27409
6032 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6033 Do not try to find zero-sized subvars.
6035 2006-05-07 Richard Guenther <rguenther@suse.de>
6037 PR tree-optimization/27136
6038 * tree-ssa-loop-niter.c (get_val_for): Correct function
6039 comment, assert requirements.
6040 (loop_niter_by_eval): Stop processing if the iterated
6041 value did not simplify.
6043 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6045 * opts.c (flag_see): remove its setting at -O3.
6047 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6049 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6050 * arm/constraints.md: New file.
6051 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6052 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6053 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6054 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6055 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6056 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6057 * arm.md: Include constraints.md.
6058 (thumb_movsi_insn): Use satisfies_constraint_J.
6059 (movhi, movqi): Use satisfies_constraint_I.
6061 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6063 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6064 for atmeg a645 device.
6066 2006-05-06 Richard Guenther <rguenther@suse.de>
6068 PR tree-optimization/27151
6069 * tree-vect-transform.c (vectorizable_condition): Punt on
6070 values that have a different type than the condition.
6072 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6075 * c-parser.c (c_parser_cast_expression): Only insert casts into
6076 hash table if pointer.
6077 * function.c (used_types_insert_helper): Rename from
6079 (used_types_insert): Call used_types_insert_helper.
6080 * function.h (used_types_insert): Accept only one argument.
6082 2006-05-05 David Edelsohn <edesohn@gnu.org>
6084 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6085 scratch with output modifier.
6087 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6090 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6091 with output modifier.
6093 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6096 * config/mips/mips.c (mips_symbolic_address_p): Return true
6097 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6098 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6100 2006-05-04 Richard Guenther <rguenther@suse.de>
6102 PR tree-optimization/14287
6103 PR tree-optimization/14844
6104 PR tree-optimization/19792
6105 PR tree-optimization/21608
6106 PR tree-optimization/27090
6107 * tree-ssa-pre.c (try_combine_conversion): New function.
6108 (compute_avail): After constructing the value-handle
6109 expression, use try_combine_conversion to combine NOP_EXPRs
6110 with previous value-handle expressions and use the result if it
6113 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6115 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6117 2006-05-04 Jan Hubicka <jh@suse.cz>
6120 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6122 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6124 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6125 that this only matches CONST_INTs. All users changed to VOIDmode
6128 * config/bfin/bfin.c: Include "optabs.h".
6129 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6131 (enum bfin_builtins): Add a number of fractional and vector builtins.
6132 (bfin_init_builtins): Likewise.
6133 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6134 (safe_vector_operand, bfin_expand_binop_builtin,
6135 bfin_expand_unop_builtin): New functions.
6136 (bfin_expand_builtin): Handle the new builtins.
6137 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6140 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6143 * Makefile.in (OBJS-common): Add see.o.
6144 (see.o): Add dependencies.
6145 * common.opt (fsee): New flag for the see optimization was added.
6146 * opts.c (flag_see): Initialized.
6147 * passes.c (init_optimization_passes, pass_see): New pass.
6148 * rtl.h (see_main): Declaration as extern.
6149 * timevar.def (TV_SEE): New.
6150 * tree-pass.h (pass_see): Declaration as extern.
6151 * invoke.texi (-fsee): Document.
6152 * recog.c (validate_simplify_insn): New function.
6153 * recog.h (validate_simplify_insn): Declaration as extern.
6154 * df-problems.c (df_chain_dump): Check for NULL.
6156 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6157 Daniel Berlin <dberlin@dberlin.org>
6159 * cfgrtl.c (insert_insn_bb_end_new): New function.
6160 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6162 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6164 * df.h (struct web_entry): Moved from web.c.
6165 (union_defs): Declaration as extern.
6166 (unionfind_root): Likewise.
6167 (unionfind_union): Likewise.
6168 * web.c (struct web_entry): Moved to df.h.
6169 (unionfind_root): Remove static declaration.
6170 (unionfind_union): Likewise.
6171 (union_defs): Likewise and generalize to use callback function.
6172 (web_main): Update arguments for union_defs function call.
6174 2006-05-04 Richard Guenther <rguenther@suse.de>
6176 PR tree-optimization/26447
6177 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6178 produce SSA_NAME copies before the store stmt to avoid
6179 breaking exception handling.
6181 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6184 * gimplify.c (omp_is_private): If var is shared in some outer context,
6185 return false instead of true. Stop searching on parallel context
6188 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6191 * coverage.c: Use get_gcov_unsigned_t() instead of
6192 unsigned_type_node all over.
6194 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6196 PR tree-optimization/27381
6197 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6198 maintain the same immediate_use links.
6199 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6200 node rather than segfaulting.
6202 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6205 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6206 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6207 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6209 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6211 Fix PR tree-optimization/26626
6212 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6214 * tree-ssa-operands.c (access_can_touch_variable): Allow
6215 typecasting through union pointers.
6217 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6220 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6221 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6222 to find if var will be a global variable even in the nested context.
6223 (omp_copy_decl): Only check for global variable at the end, it might
6224 be overridden in outer contexts.
6225 (scan_sharing_clauses): For global variables don't create a field.
6226 (lower_rec_input_clauses): Do nothing for global shared variables.
6227 Emit a barrier at the end of ILIST if there were any decls in both
6228 firstprivate and lastprivate clauses.
6229 (lower_send_clauses): Do nothing for global variables except for
6232 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6234 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6235 of the correct signedness is returned.
6237 2006-05-02 Jeff Law <law@redhat.com>
6239 PR tree-optimization/27364
6240 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6241 multiply expressions.
6243 2006-05-02 Tom Tromey <tromey@redhat.com>
6245 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6247 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6250 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6251 -mthumb -fPIC are used.
6253 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6254 Joshua Kinard <kumba@gentoo.org>
6257 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6258 with 64-bit pointers.
6260 2006-05-02 Paul Brook <paul@codesourcery.com>
6262 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6264 (create_fix_barrier): Check that a suitable barrier location is
6266 (arm_reorg): Include ftmp->address in allowable range of addresses.
6268 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6271 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6274 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6277 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6278 around RESULT_DECL for result passed by reference.
6279 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6280 * omp-low.c (use_pointer_for_field): Don't look at
6281 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6282 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6283 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6284 time or var for passing by reference for
6285 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6286 TREE_ADDRESSABLE variables when passing by reference.
6288 * omp-low.c (dump_omp_region): Fix output formatting.
6291 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6292 (expand_omp_parallel): Likewise.
6293 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6296 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6297 on statement list containing also constructors and destructors.
6298 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6301 * except.c (duplicate_eh_regions): Fix clearing of
6302 cfun->eh->region_array entries.
6304 2006-05-01 DJ Delorie <dj@redhat.com>
6306 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6308 (gcc_cv_objdump): Likewise.
6309 * configure: Regenerated.
6311 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6314 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6315 templates for case 3 and 4.
6317 2006-05-01 DJ Delorie <dj@redhat.com>
6319 * vec.c: Include bconfig.h when appropriate.
6320 * Makefile.in (build/vec.o): Adjust dependencies.
6321 * mkconfig.sh: Make sure config.h isn't used for build machine
6324 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6326 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6328 (mark_phi_for_rewrite): New function.
6329 (insert_phi_nodes_for, mark_use_interesting): Call
6330 mark_phi_for_rewrite.
6331 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6332 (update_ssa): Initialize and free phis_to_rewrite.
6334 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6336 PR rtl-optimization/27291
6337 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6338 folded to a constant.
6340 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6342 PR tree-optimization/27283
6343 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6344 not whole # of iteration descriptions.
6345 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6346 uses abnormal ssa name.
6347 (niter_for_single_dom_exit): Ditto.
6348 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6349 return just the number of iterations.
6351 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6353 PR tree-optimization/27144
6354 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6355 (record_estimate): Only record constant upper bound.
6356 (infer_loop_bounds_from_undefined): Call
6357 compute_estimated_nb_iterations just once.
6358 (proved_non_wrapping_p): Renamed to ...
6359 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6360 (convert_step_widening, scev_probably_wraps_p): Call
6361 n_of_executions_at_most instead of proved_non_wrapping_p.
6362 (substitute_in_loop_info): Do not replace values in bounds.
6363 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6366 2006-05-01 Richard Henderson <rth@redhat.com>
6369 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6370 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6373 2006-05-01 Roger Sayle <roger@eyesopen.com>
6375 * c-typeck.c (parser_build_binary_op): Don't call the function
6376 unsigned_conversion_warning to spot operand/result type overflow.
6377 (build_binary_op): Instead, call convert_and_check instead of
6378 convert to report the problem when the operands are promoted.
6379 * c-common.c (unsigned_conversion_warning): Make static.
6380 * c-common.h (unsigned_conversion_warning): Delete prototype.
6382 2006-05-01 Richard Guenther <rguenther@suse.de>
6384 PR tree-optimization/26726
6385 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6387 (find_interesting_uses_address): ... we work around here
6388 by folding INDIRECT_REFs in the substituted base.
6390 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6392 * omp-low.c (dump_omp_region): Add newlines.
6394 2006-04-30 Roger Sayle <roger@eyesopen.com>
6396 * common.opt (Woverflow): New command line option.
6397 * c-common.c (constant_expression_warning): Check warn_overflow.
6398 (overflow_waring): Pass OPT_Woverflow to warning.
6399 (unsigned_conversion_warning): Likewise.
6400 (convert_and_check): Likewise.
6401 * doc/invoke.texi: Document new command line option.
6403 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6405 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6406 TARGET_NO_FP_IN_TOC for section anchors.
6407 (optimization_options): Enable section anchors for all
6408 non-"Objective" languages.
6410 2006-04-28 Eric Christopher <echristo@apple.com>
6412 * config/darwin-c.c (darwin_ms_struct): Move this
6413 (darwin_set_default_type_attributes): and this...
6414 * config/darwin.c: ... here.
6415 * config/darwin.h (darwin_ms_struct): Declare.
6417 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6419 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6421 2006-04-28 Roger Sayle <roger@eyesopen.com>
6424 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6425 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6426 an unsigned HOST_WIDE_INT.
6427 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6429 (really_start_incremental_init): No need to call convert because
6430 bitsize_zero_node is already of type bitsizetype.
6431 (push_init_level): Extract the value of constructor_index as an
6432 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6433 (process_init_element): Likewise.
6435 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6437 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6438 value before passing to make_relative_prefix.
6440 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6443 * builtins.c (expand_builtin_memset): Expand val in original mode.
6445 2006-04-27 Eric Christopher <echristo@apple.com>
6447 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6448 with #ifndef/#endif.
6449 * config/darwin-c.c (darwin_ms_struct): New.
6450 (darwin_pragma_ms_struct): Ditto.
6451 (darwin_set_default_type_attributes): Ditto.
6452 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6453 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6454 Register ms_struct pragma.
6455 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6456 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6457 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6458 darwin_set_default_type_attributes if TARGET_MACHO.
6460 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6462 PR tree-optimization/26854
6463 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6464 * doc/tree-ssa.texi: Update immuse iterator documentation.
6465 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6466 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6467 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6468 first_safe_imm_use, next_safe_imm_use): Remove.
6469 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6470 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6471 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6472 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6473 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6474 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6475 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6476 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6477 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6478 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6479 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6480 (perfect_nestify): Use new iterator.
6481 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6483 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6484 (next_imm_name): New field in struct immediate_use_iterator_d.
6485 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6486 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6487 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6488 * tree-cfg.c (replace_uses_by): Use new iterator.
6489 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6490 * tree-ssa-operands.c (correct_use_link): Remove.
6491 (finalize_ssa_use_ops): No longer call correct_use_link.
6493 2006-04-27 Stuart Hastings <stuart@apple.com>
6495 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6496 * config/t-darwin (crt3.o): Use it.
6497 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6498 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6499 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6500 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6501 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6504 2006-04-27 Roger Sayle <roger@eyesopen.com>
6506 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6507 size, force the intermediate into a new pseudo rather instead of
6508 performing both a bitwise AND and a bitwise IOR in memory.
6510 2006-04-27 Richard Guenther <rguenther@suse.de>
6512 PR rtl-optimization/26685
6513 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6514 this one "max-flow-memory-locations".
6516 2006-04-27 Richard Guenther <rguenther@suse.de>
6518 PR tree-optimization/25148
6519 * tree-vrp.c (compare_values): Remove code dealing with
6520 comparisons against type min/max value. Honour overflow
6521 and negative constants in code dealing with comparisons
6522 of plus and minus expressions.
6523 (value_inside_range): Use fold_binary with LE_EXPR and
6524 GE_EXPR rather than compare_values.
6526 2006-04-27 Dirk Mueller <dmueller@suse.de>
6528 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6531 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6533 * basic-block.h (safe_insert_insn_on_edge): Removed.
6534 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6536 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6537 Paolo Bonzini <bonzini@gnu.org>
6540 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6541 (simplify_and_const_int): Same.
6543 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6545 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6547 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6550 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6551 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6552 cgraph_global_info_ready.
6555 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6558 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6559 either decl or init is error_mark_node.
6562 * tree-flow.h (struct omp_region): Add sched_kind.
6563 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6564 instead of extracting omp for data.
6565 (expand_omp_for): Save extracted sched_kind.
6567 2006-04-25 Roger Sayle <roger@eyesopen.com>
6569 * expmed.c (store_bit_field): Also check whether the bitsize is
6570 valid for the machine's "insv" instruction before moving the
6571 target into a pseudo for use with the insv.
6572 * config/i386/predicates.md (const8_operand): New predicate.
6573 * config/i386/i386.md (extv, extzv, insv): Use the new
6574 const8_operand predicate where appropriate.
6576 2006-04-25 DJ Delorie <dj@redhat.com>
6578 * doc/install.texi (Specific): Clarify that this is not a list of
6579 supported hosts or targets.
6581 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6583 PR rtl-optimization/26725
6584 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6585 block's BB_DIRTY flag.
6587 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6589 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6592 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6593 to print an integer.
6595 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6597 * varasm.c (align_variable): New function.
6598 (get_block_for_decl): Apply align_variable to DECL before
6599 calculating section information.
6600 (assemble_variable): Split out alignment computation.
6602 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6604 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6607 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6609 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6610 MODE_PARTIAL_INT mode.
6611 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6612 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6614 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6615 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6617 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6619 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6621 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6622 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6623 MACFLAG_IH): Likewise.
6624 (movstricthi_1): Renamed from "*movstricthi".
6625 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6626 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6627 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6628 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6629 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6630 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6631 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6632 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6633 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6634 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6635 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6636 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6637 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6638 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6639 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6641 * doc/rtl.texi (ss_ashift): Improve wording.
6643 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6645 * dwarf2out.c (verify_marks_clear): New.
6646 (prune_unused_types): Call verify_marks_clear initially, not
6649 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6651 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6652 * doc/rtl.texi: Document them.
6653 * simplify-rtx.c (simplify_unary_operation,
6654 simplify_binary_operation_1): Don't abort when we see them.
6656 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6659 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6660 * configure.ac: Completely disregard languages that are not
6662 * configure: Regenerated.
6664 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6665 Richard Guenther <rguenther@suse.de>
6667 PR tree-optimization/27236
6668 * tree-inline.c (copy_body_r): Make sure to copy
6669 TREE_THIS_VOLATILE flag.
6671 2006-04-24 Richard Guenther <rguenther@suse.de>
6674 * tree-complex.c (update_parameter_components): Don't handle
6675 unused parameters which have no default def.
6677 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6678 Richard Guenther <rguenther@suse.de>
6680 PR tree-optimization/27218
6681 * tree-inline.c (expand_call_inline): Strip useless type
6682 conversions for the return slot address.
6684 2006-04-24 Richard Guenther <rguenther@suse.de>
6686 * cfgloop.h (struct loops): Remove unused field array. Reorder
6688 (LOOP_PREFETCH): Remove.
6690 2006-04-24 Richard Guenther <rguenther@suse.de>
6692 PR tree-optimization/22525
6693 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6694 variable, adjust types of generated expressions.
6696 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6698 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6699 (tree-vect-patterns.o): Likewise.
6701 (cselib.o): Likewise.
6702 (loop-doloop.o): Likewise.
6703 (regclass.o): Likewise.
6704 (reload1.o): Likewise.
6705 (explow.o): Replace target.h with $(TARGET_H).
6706 (ipa-prop.o): Likewise.
6707 (ipa-cp.o): Likewise.
6708 (ipa-inline.o): Likewise.
6709 (reorg.o): Likewise.
6710 (reg-stack.o): Likewise.
6712 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6714 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6716 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6718 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6720 * configure.ac: Completely disregard languages that are not
6722 * configure: Regenerated.
6725 * c-common.h (c_build_bitfield_integer_type): Declare.
6726 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6727 * c-common.c (c_build_bitfield_integer_type): ... here.
6729 2006-04-23 Roger Sayle <roger@eyesopen.com>
6732 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6733 a SImode SUBREG of a floating point register after no_new_pseudos.
6735 2006-04-23 Roger Sayle <roger@eyesopen.com>
6737 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6738 identify potentially eliminable registers to additionally catch
6739 VIRTUAL_INCOMING_ARGS_REGNUM.
6740 (addsi3): Update the conditions on when to use addsi_small_int.
6742 2006-04-23 Roger Sayle <roger@eyesopen.com>
6745 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6746 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6747 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6749 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6751 * fold-const.c (range_predecessor): Use operand_equal_p
6752 as the predicate for equality.
6753 (range_successor): Likewise.
6755 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6758 * config/soft-fp/op-common.h: Fix a typo.
6760 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6763 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6764 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6766 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6768 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6770 * doc/tm.texi: Fix a typo.
6772 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6774 * dwarf2out.c (struct die_struct): Document that die_sib makes
6775 a circular linked list.
6776 (FOR_EACH_CHILD): New.
6777 (reverse_die_lists): Delete.
6778 (reverse_all_dies): Delete.
6779 (add_dwarf_attr): Correct documentation.
6780 (remove_child_with_prev): New.
6781 (remove_child_TAG): Update for change to die_struct, use
6782 remove_child_with_prev.
6783 (add_child_die): Update for change to die_struct.
6784 (splice_child_die): Use remove_child_with_prev and add_child_die.
6785 (print_die): Use FOR_EACH_CHILD.
6786 (die_checksum): Likewise.
6787 (assign_symbol_names): Likewise.
6788 (output_location_lists): Likewise.
6789 (build_abbrev_table): Likewise.
6790 (calc_die_sizes): Likewise.
6791 (mark_dies): Likewise.
6792 (unmark_dies): Likewise.
6793 (unmark_all_dies): Likewise.
6794 (output_die): Likewise.
6795 (prune_unused_types_mark): Likewise.
6796 (prune_unused_types_walk): Likewise.
6797 (same_die_p): Update for change to die_struct.
6798 (break_out_includes): Likewise.
6799 (prune_unused_types_prune): Likewise.
6800 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6801 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6803 (dwarf2out_finish): Don't call reverse_all_dies.
6805 2006-04-21 Eric Christopher <echristo@apple.com>
6807 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6808 in comments and function names.
6810 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6813 * c-typeck.c (digest_init): Robustify.
6815 * c-typeck.c (pop_init_level): Simplify.
6817 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6819 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6821 2006-04-21 Paul Brook <paul@codesourcery.com>
6823 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6824 hardware floating point.
6826 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6828 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6831 2006-04-21 Nick Clifton <nickc@redhat.com>
6833 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6836 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6839 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6840 C++ lang type in traceback table for Objective-C++.
6842 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6844 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6846 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6848 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6851 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6852 were errors. Remove check for erroneous objects.
6854 2006-04-20 Jeff Law <law@redhat.com>
6856 PR tree-optimization/26854
6857 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6858 checking for zero or one use.
6859 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6860 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6861 * tree-ssa-reassoc.c (negate_value): Similarly.
6862 (reassociate_bb): Similarly.
6864 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6866 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6867 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6868 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6870 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6872 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6873 fp regs if the last fp arg doesn't fit in regs.
6875 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6878 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6879 that the last insn has the REG_INC note.
6881 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6882 Nathan Sidwell <nathan@codesourcery.com>
6885 * stor-layout.c (update_alignment_for_field): Do not align
6887 (place_union_field): Place union field at the start of the union.
6888 (place_field): Move ERROR_MARK check later, and use the current
6889 allocation position to maintain monotonicity.
6891 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6893 * dominance.c: Include timevar.h.
6894 (calculate_dominance_info): Use TV_DOMINANCE.
6895 * timevar.def (TV_DOMINANCE): New timevar.
6896 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6898 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6900 PR rtl-optimization/14261
6901 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6902 move would be an INSV insn.
6903 (noce_process_if_block): Don't optimize if the destination is a
6904 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6906 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6908 * config/s390/s390.md: Add comments with the instructions emitted
6909 by an insn pattern if macros are used.
6911 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6913 PR rtl-optimization/26026
6914 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6915 is a known power of two shifted left a variable amount.
6917 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6919 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6920 to hash table twice when the debug_str section has SECTION_MERGE.
6922 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6924 * config/soft-fp: New directory. From glibc.
6925 * config/soft-fp/t-softfp: New.
6926 * config/soft-fp/README: New.
6927 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6928 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6929 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6930 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6931 * config.gcc: Use rs6000/t-fprules-fpbit or
6932 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6934 * config/rs6000/sfp-machine.h: New. Based on glibc.
6935 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6937 * config/rs6000/t-fprules: Remove fp-bit rules.
6938 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6939 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6940 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6941 (softfp_wrap_start, softfp_wrap_end): New.
6943 2006-04-18 DJ Delorie <dj@redhat.com>
6945 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6947 2006-04-18 Devang Patel <dpatel@apple.com>
6949 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6951 2006-04-18 Nick Clifton <nickc@redhat.com>
6953 * config/sh/t-symbian: Add rule to build sh-c.o
6954 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6955 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6956 (sh_symbian_encode_section_info): Likewise.
6958 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6960 * builtins.c (expand_builtin_strcmp): Cover label definition of
6961 do_libcall with HAVE_cmpstrnsi.
6963 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6965 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6967 * function.h (temp_slot_p): New.
6968 (function): Change the type of x_used_temp_slots to
6969 VEC(temp_slot_p,gc) *.
6971 2006-04-18 Nick Clifton <nickc@redhat.com>
6973 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6974 flag_strength_reduce.
6976 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6978 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6982 Partial revert of revision 112637
6983 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6984 Dale Johannesen <dalej@apple.com>
6987 * regclass.c (struct reg_pref): Update documentation.
6988 (regclass): Set prefclass to NO_REGS if memory is the best option.
6989 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6991 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6993 PR tree-optimization/26821
6994 * tree-ssa-math-opts.c (get_constant_one): New.
6995 (insert_reciprocals): Use it.
6997 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6999 * dwarf2out.c (free_AT): Delete.
7000 (remove_AT): Update string ref counts.
7001 (remove_child_TAG): Don't call free_die.
7003 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7004 or DW_TAG_GNU_EINCL.
7005 (prune_unused_types_walk_attribs): Reset string refcounts.
7006 (prune_unused_types_update_strings): New.
7007 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7008 call free_die. Do call prune_unused_types_update_strings.
7009 (prune_unused_types): Empty debug_str_hash.
7011 2006-04-17 Roger Sayle <roger@eyesopen.com>
7013 * expr.c (expand_assignment): Optimize away no-op moves where the
7014 source and destination are equal and have no side-effects.
7016 2006-04-17 Richard Guenther <rguenther@suse.de>
7019 * reload.c (push_reload): Guard calls to get_secondary_mem
7022 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7024 * alias.c (reg_base_value, old_reg_base_value): Change the
7025 type to VEC(rtx,gc) *.
7026 (REG_BASE_VALUE, find_base_value, record_set,
7027 init_alias_analysis): Use VEC instead of VARRAY.
7029 * alias.c (alias_sets): Change the type to
7030 VEC(alias_set_entry,gc) *.
7031 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7032 VEC instead of VARRAY.
7033 (last_alias_set): Remove.
7035 * cgraph.h (cgraph_edge_p): New.
7036 Update the prototype of cgraph_function_versioning.
7037 * cgraphunit.c (cgraph_copy_node_for_versioning,
7038 cgraph_function_versioning): Use VEC instead of VARRAY.
7039 * ipa-cp.c (ipcp_insert_stage): Likewise.
7041 2006-04-16 Roger Sayle <roger@eyesopen.com>
7044 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7045 "A op B" or "A op C", we may need to convert A to the type of B and C.
7047 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7049 * target.h (struct gcc_target): Add mode_rep_extended.
7050 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7051 (init_num_sign_bit_copies_in_rep): Initialize it using
7053 (truncate_to_mode): Use it.
7054 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7055 * targhooks.h (default_mode_rep_extended): Declare it.
7056 * targhooks.c (default_mode_rep_extended): Define it.
7057 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7058 default_mode_rep_extended.
7059 (TARGET_INITIALIZER): Include it.
7060 * doc/tm.texi (Misc): Document it.
7061 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7062 (mips_truncated_to_mode): New function.
7064 2006-04-16 Roger Sayle <roger@eyesopen.com>
7067 * expr.c (compress_float_constant): Copy the narrow constant into
7068 a new pseudo before extending it to its final width.
7070 2006-04-16 Roger Sayle <roger@eyesopen.com>
7071 Andrew Pinski <pinskia@gcc.gnu.org>
7072 Dale Johannesen <dalej@apple.com>
7075 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7076 special case code to implement V8HImode and V16QImode with SSE2.
7078 2006-04-15 Roger Sayle <roger@eyesopen.com>
7080 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7081 trees are constructed with a suitable tree type.
7083 2006-04-15 Roger Sayle <roger@eyesopen.com>
7085 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7086 (integer_onep): Likewise.
7087 (integer_all_onesp): Likewise.
7088 (integer_pow2p): Likewise.
7089 (integer_nonzerop): Likewise.
7090 (real_zerop): Likewise.
7091 (real_onep): Likewise.
7092 (real_twop): Likewise.
7093 (real_minus_onep): Likewise.
7094 (int_size_in_bytes): Likewise.
7095 (host_integerp): Likewise.
7097 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7099 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7100 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7101 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7103 * tree-ssa-structalias.h (alias_info): Remove num_references.
7105 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7107 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7108 (output_bvb patterns): Likewise.
7109 * pa.c (output_bb): Use 'bb' insn for long branch case.
7110 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7111 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7112 1. Correct length operand for alternatives 1 and 2.
7113 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7114 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7116 2006-04-14 Roger Sayle <roger@eyesopen.com>
7118 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7119 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7120 were accidentally reverted by r112959.
7122 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7125 * except.h (eh_region_outermost): New prototype.
7126 * except.c (eh_region_outermost): New function.
7127 * tree-cfg.c (find_outermost_region_in_block): Use it.
7129 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7131 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7133 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7134 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7135 (init_reload, reload): Use VEC instead of VARRAY.
7136 * reload.h: Update the prototype for
7137 reg_equiv_memory_loc_varray.
7139 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7140 Eric Botcazou <ebotcazou@libertysurf.fr>
7142 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7145 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7148 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7149 to expand fallback builtin function call.
7151 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7154 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7155 and emit libcall here in case the builtin fails.
7156 (expand_builtin_strcmp): Always emit the libcall here on failure.
7158 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7160 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7161 * flow.c (reg_n_info): Change the type to
7162 VEC(reg_info_p,heap) *.
7163 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7165 * regs.h (reg_info_p): New.
7166 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7167 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7168 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7171 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7173 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7175 * params.h (MAX_SCHED_READY_INSNS): New macro.
7176 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7177 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7178 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7179 the ready list for 1 cycle during the first scheduling pass.
7180 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7182 2006-04-13 Richard Henderson <rth@redhat.com>
7185 * gimple-low.c (lower_omp_directive): Remove dead code.
7186 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7187 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7188 * omp-low.c (struct omp_region): Move to tree-flow.h.
7189 (root_omp_region): Export.
7190 (omp_regions, lookup_omp_region): Remove.
7191 (determine_parallel_type): Update for struct omp_region changes.
7192 (dump_omp_region): Dump regions with block numbers.
7193 (new_omp_region): Take type and block instead of stmt; malloc
7195 (free_omp_region_1, free_omp_regions): New.
7196 (expand_parallel_call): Take entry_stmt as argument; update for
7197 changes to omp_region.
7198 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7199 (remove_exit_barriers): New.
7200 (expand_omp_parallel): Update for struct omp_region changes.
7201 (expand_omp_synch): Likewise.
7202 (expand_omp): Likewise.
7203 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7204 (expand_omp_for_static_chunk): Likewise.
7205 (expand_omp_for): Likewise.
7206 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7207 (expand_omp_sections): Similarly, with GOMP_sections_end.
7208 (expand_omp_single): New.
7209 (build_omp_regions_1): Update for OMP_CONTINUE.
7210 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7211 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7212 OMP_SECTIONS_SECTIONS.
7213 (lower_omp_single_simple): Don't emit barrier here.
7214 (lower_omp_single_copy): Likewise.
7215 (lower_omp_single): Fix bindings, and lower to straightline now.
7216 (lower_omp_master, lower_omp_ordered): Likewise.
7217 (lower_omp_critical): Likewise.
7218 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7219 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7220 omp edges, free it afterward.
7221 (make_omp_sections_edges): Remove.
7222 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7223 (move_stmt_r): Handle OMP_CONTINUE.
7224 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7225 statement pointers to basic blocks. Add type member.
7226 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7227 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7228 * tree-inline.c (estimate_num_insns_1): Likewise.
7229 * tree-pretty-print.c (dump_generic_node): Likewise.
7230 * tree-ssa-operands.c (get_expr_operands): Likewise.
7231 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7232 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7233 (OMP_CONTINUE): New.
7234 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7235 (OMP_SECTIONS_SECTIONS): Remove.
7236 (OMP_SECTION_LAST): New.
7237 (OMP_RETURN_NOWAIT): New.
7239 2006-04-13 Roger Sayle <roger@eyesopen.com>
7241 * fold-const.c (native_encode_vector, native_interpret_real):
7242 Correct obvious mistakes in the previous check-in.
7244 2006-04-13 Roger Sayle <roger@eyesopen.com>
7246 * fold-const.c (native_encode_expr): New function to encode
7247 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7248 or VECTOR_CST into a specified buffer.
7249 (native_encode_int): New function.
7250 (native_encode_real): New function.
7251 (native_encode_complex): New function.
7252 (native_encode_vector): New function.
7253 (native_interpret_expr): Inverse of native_encode_expr to convert
7254 a target representation into an INTEGER_CST, REAL_CST etc...
7255 (native_interpret_int): New function.
7256 (native_interpret_real): New function.
7257 (native_interpret_complex): New function.
7258 (native_interpret_vector): New function.
7259 (fold_view_convert_expr): New function to constant fold/evaluate
7260 a VIEW_CONVERT_EXPR of a suitable constant expression.
7261 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7262 Change call of build1 to fold_build1 when constructing a
7265 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7266 Ulrich Weigand <uweigand@de.ibm.com>
7269 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7272 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7275 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7276 optimize to lo_sum for DFmode if !TARGET_FPRS.
7278 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7280 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7281 delete_alias_info, compute_flow_sensitive_aliasing,
7282 group_aliases): Use VEC instead of VARRAY.
7283 * tree-ssa-structalias.c (update_alias_info): Likewise.
7284 * tree-ssa-structalias.h (alias_info): Change the type of
7285 processed_ptrs to VEC(tree,heap) *.
7287 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7290 * config/sh/lib1funcs.h: New file, broken out of:
7291 * config/sh/lib1funcs.asm.
7292 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7294 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7295 * config/sh/lib1funcs-Os-4-200.asm: New file.
7296 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7297 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7298 (EXTRA_MULTILIB_PARTS): Include it.
7299 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7300 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7301 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7302 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7305 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7307 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7308 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7309 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7311 * tree-ssa-live.h: Include vecprim.h.
7312 (tree_partition_associator_d): Change the type of
7313 first_partition to VEC(int,heap) *.
7314 (tpa_first_partition): Use VEC instead of VARRAY.
7316 * Makefile.in (GTFILES): Move functions.h after tree.h.
7317 * function.c (reset_block_changes, record_block_change,
7318 check_block_change, free_block_changes): Use VEC instead of
7320 * function.h (function): Change the type of
7321 ib_boundaries_block to VEC(tree,gc) *.
7322 * tree-inline.c (copy_cfg_body): Initialize
7323 ib_boundaries_block to NULL instead of (varray_type) 0.
7325 2006-04-12 Roger Sayle <roger@eyesopen.com>
7327 * expr.c (emit_group_store): Correct operand order in call to
7328 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7329 a SUBREG_BYTE of zero.
7331 2006-04-12 Richard Guenther <rguenther@suse.de>
7333 * profile.c (compute_branch_probabilities): Remove code
7334 encapsulated in !ir_type (), which are remanents of the
7335 removed RTL profiling code.
7336 * rtl-profile.c: Remove.
7338 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7340 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7341 magic NULL_RTX comment.
7342 (function_arg): Store entire fp arg to mem if any part should go
7344 (rs6000_arg_partial_bytes): Adjust for above change.
7346 2006-04-11 Roger Sayle <roger@eyesopen.com>
7348 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7349 if it hasn't been initialized by dwarf2out_init.
7351 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7353 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7354 symbolic constants in branch patterns.
7356 2006-04-11 Roger Sayle <roger@eyesopen.com>
7358 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7360 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7362 PR rtl-optimization/27073
7363 * gcse.c (try_replace_reg): Revert last change. Continue to search
7364 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7367 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7369 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7370 aggregate types other than record and union types.
7371 (function_arg): Likewise.
7372 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7374 (function_value): In 64-bit mode, return objects that require it
7377 2006-04-11 Roger Sayle <roger@eyesopen.com>
7379 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7381 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7383 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7385 2006-04-03 Jeff Law <law@redhat.com>
7388 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7389 alias information too.
7391 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7393 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7395 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7398 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7399 (premark_used_types_helper): New.
7400 (premark_used_types): New.
7401 (gen_subprogram_die): Call premark_used_types.
7402 (prune_unused_types_walk): Do not prune perennial dies.
7403 * function.c (used_types_insert): New.
7404 * function.h (struct function): Add used_types_hash field.
7405 (used_types_insert): Add prototype.
7406 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7407 * c-parser.c (c_parser_cast_expression): Save casted types in used
7410 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7413 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7414 rs6000_explicit_options.float_gprs.
7416 2006-04-10 Roger Sayle <roger@eyesopen.com>
7418 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7419 from ix86_expand_vector_init_low_nonzero. Take an additional
7420 one_var argument indicating which element is non-zero. Support
7421 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7422 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7423 with one_var instead of ix86_expand_vector_init_low_nonzero.
7425 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7427 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7428 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7429 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7430 build/genextract.o): Depend on vecprim.h.
7431 * cfglayout.c, df-problems.c, function.c, genextract.c,
7432 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7433 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7437 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7439 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7440 Declare VECs of this type.
7441 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7442 (remove_children): Delete.
7443 (add_dwarf_attr): Use VEC routines.
7444 (add_AT_flag): Update for changes to add_dwarf_attr.
7445 (add_AT_int): Likewise.
7446 (add_AT_unsigned): Likewise.
7447 (add_AT_long_long): Likewise.
7448 (add_AT_vec): Likewise.
7449 (add_AT_string): Likewise.
7450 (add_AT_die_ref): Likewise.
7451 (add_AT_fde_ref): Likewise.
7452 (add_AT_loc): Likewise.
7453 (add_AT_loc_list): Likewise.
7454 (add_AT_addr): Likewise.
7455 (add_AT_lbl_id): Likewise.
7456 (add_AT_lineptr): Likewise.
7457 (add_AT_macptr): Likewise.
7458 (add_AT_offset): Likewise.
7459 (add_AT_range_list): Likewise.
7460 (get_AT): Use VEC_iterate.
7461 (remove_AT): Use VEC_ordered_remove.
7462 (free_die): Fold remove_children into here; have it use VEC_iterate.
7463 (print_die): Use VEC_iterate on attrs.
7464 (reverse_die_lists): Don't reverse attr lists.
7465 (die_checksum): Use VEC_iterate on attrs.
7466 (same_die_p): Likewise.
7467 (output_location_lists): Likewise.
7468 (build_abbrev_table): Likewise.
7469 (size_of_die): Likewise.
7470 (unmark_all_dies): Likewise.
7471 (output_abbrev_section): Likewise.
7472 (output_die): Likewise.
7473 (prune_unused_types_walk_attribs): Likewise.
7475 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7477 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7479 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7482 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7484 2006-04-09 Roger Sayle <roger@eyesopen.com>
7486 * expr.c (store_constructor): Don't bother clearing target if
7487 we're about to assign a vector to it using vec_init_optab.
7489 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7491 * tree-ssa-alias.c (lhs_may_store_to): New function.
7492 (recalculate_used_alone): Handle LHS of calls.
7494 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7498 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7499 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7500 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7501 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7502 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7503 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7504 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7505 stubs. Add ".align 8" directives before all ".dword" directives.
7506 (GTHREAD_USE_WEAK): Revise comment.
7507 (TARGET_ATTRIBUTE_WEAK): Define.
7508 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7509 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7510 * stublib.c: New file.
7515 * pa.md (cbranch patterns): Revise arguments used in calls to
7516 output_cbranch, output_bb and output_bvd. Add long branch length
7518 (fbranch patterns): Handle long branches.
7519 (jump): Revise length check. Revise arguments for output_lbranch call.
7520 Add long branch length attributes.
7521 (decrement_and_branch_until_zero): Add long branch length attributes.
7522 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7523 Likewise. Revise arguments for output_parallel_addb and
7524 output_parallel_movb calls.
7525 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7526 output_parallel_movb and output_parallel_addb): Update prototypes.
7527 * pa.c (output_cbranch): Revise arguments. Correct handling of
7528 nullification in long branches.
7529 (output_lbranch): Add new argument to control extraction of delay
7531 (output_bb): Handle long branches.
7532 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7533 output_parallel_addb): Likewise.
7535 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7537 PR rtl-optimization/27073
7538 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7541 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7543 * tree.h (tree_memory_tag): Add old_used_alone.
7544 (SMT_OLD_USED_ALONE): New macro.
7545 * tree-ssa-alias.c (recalculate_used_alone): Stop
7546 marking things for renaming unnecessarily.
7548 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7550 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7551 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7552 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7553 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7554 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7555 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7556 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7557 spelling convensions.
7558 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7559 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7560 typos. Follow spelling conventions.
7562 2006-04-07 DJ Delorie <dj@redhat.com>
7564 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7565 passed on the stack.
7566 (m32c_init_cumulative_args): When a function returns a structure,
7567 always pass the pointer to that return area on the stack.
7568 (m32c_function_arg_advance): Don't increment the parameter number
7569 if we're processing the returned structure pointer.
7570 (pushm_info): Reverse order of registers.
7572 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7574 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7575 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7576 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7577 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7579 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7580 chrec_fold_multiply): Same.
7581 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7582 force_expr_to_var_cost): Same.
7583 * tree-mudflap.c (mf_xform_derefs_1): Same.
7584 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7586 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7588 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7589 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7592 2006-04-07 Jan Hubicka <jh@suse.cz>
7594 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7596 2006-04-07 Richard Guenther <rguenther@suse.de>
7598 PR tree-optimization/26135
7599 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7600 loads for store copy-prop.
7601 (copy_prop_visit_stmt): Likewise.
7603 2006-04-05 Robert Millan <robertmh@gnu.org>
7605 * config/i386/linux.h: Add a comment to mark macros that are
7606 being overriden in config/k*bsd-gnu.h.
7607 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7609 * config/knetbsd-gnu.h: Ditto.
7611 2006-04-06 Jan Hubicka <jh@suse.cz>
7615 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7618 2006-04-06 Mike Stump <mrs@apple.com>
7620 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7621 for HAVE_nonlocal_goto to be consistent.
7622 (expand_builtin_nonlocal_goto): Likewise.
7623 (expand_builtin_strcmp): Use #ifdef instead of #if
7624 for HAVE_cmpstrnsi to be consistent.
7626 2006-04-05 DJ Delorie <dj@redhat.com>
7628 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7631 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7633 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7634 got-relative addressing for anything but SImode.
7636 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7637 even if the calling function doesn't modify them.
7639 2006-04-05 Richard Guenther <rguenther@suse.de>
7641 PR tree-optimization/26919
7642 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7643 to cgraph_estimate_size_after_inlining.
7645 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7647 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7649 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7651 PR tree-optimization/26996
7652 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7653 VECTOR_TYPE variables.
7655 2006-04-05 Richard Guenther <rguenther@suse.de>
7657 PR tree-optimization/26763
7658 * fold-const.c (fold_comparison): Move folding of
7659 PTR + CST CMP PTR + CST ...
7660 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7662 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7664 * doc/install.texi (Prerequisites): Refine some wording on
7665 bootstrapping and ksh.
7666 Move the version numbers of DejaGnu here from the testing section
7667 and fix casing of names.
7668 Fix markup and clarify wording for autogen requirements.
7669 Refer to GCJ instead of just java.
7670 Refer to SVN instead of CVS.
7671 Describe diffutils as useful instead of necessary.
7672 (Downloading the source): Refer to SVN instead of CVS.
7673 Adjust a link to our web site accordingly.
7674 (Configuration): Fix casing of Bison.
7675 (Building): Refer to SVN instead of CVS.
7676 Fix a sentence on the use of Bison and remove duplicate (and
7677 incorrect) version number of Bison requirement.
7678 Remove one redundant list of packages needed for building.
7679 (Specific): Avoid reference to CVS.
7681 2006-04-04 Eric Christopher <echristo@apple.com>
7683 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7684 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7685 (rs6000_handle_struct_attribute): New.
7686 (rs6000_ms_bitfield_layout_p): Ditto.
7688 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7690 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7691 NULL for dso parameter to atexit_common.
7693 2006-04-04 Eric Christopher <echristo@apple.com>
7695 * config/i386/i386.c (machopic_output_stub): Output \t
7696 between instructions and operands.
7698 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7700 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7701 satisfies_constraint_[IL] to explicit tests on value.
7703 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7705 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7706 set_nb_iterations_in_loop): Use build_int_cst instead of
7708 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7709 build_int_cst instead of convert.
7711 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7713 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7714 new value 2 for incoming.
7715 * function.c (expand_function_start): Call struct_value_rtx
7717 * config/sparc/sparc.md: Comment updated_return.
7718 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7719 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7720 struct return if sparc_std_struct_return and incoming is 2.
7721 (print_operand): Do not adjust return if
7722 sparc_std_struct_return.
7724 2006-04-04 Roger Sayle <roger@eyesopen.com>
7726 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7727 convert in the middle-end.
7728 * expr.c (store_expr, store_constructor, get_inner_reference,
7729 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7731 * tree.c (build_range_type): Likewise.
7733 2006-04-04 Tom Tromey <tromey@redhat.com>
7735 * doc/install.texi (Prerequisites): Mention jar.
7737 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7739 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7742 2006-04-04 Matthias Klose <doko@debian.org>
7744 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7748 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7751 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7753 * doc/extend.texi (Function Attributes): Rewrite visibility
7754 attribute documentation.
7755 * doc/invoke.texi (C++ Dialect Options): Rewrite
7756 -fvisibility-inlines-hidden documentation to describe something
7757 entirely different, although in practise compatible.
7758 (Code Gen Options): Warn about system headers in -fvisibility=
7761 * doc/extend.texi (Other Builtins): Document that
7762 __builtin_nan is a compile-time constant only when its argument
7765 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7767 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7768 trying to remove TRUNCATE check if all bits outside the new mode
7769 are identical to the sign bit.
7771 2006-04-03 Jeff Law <law@redhat.com>
7773 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7774 and operand scanning in some common cases.
7776 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7777 Dale Johannesen <dalej@apple.com>
7780 * regclass.c (struct reg_pref): Update documentation.
7781 (regclass): Set prefclass to NO_REGS if memory is the best option.
7782 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7783 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7784 into account. For non-registers, equate an empty preferred
7785 reload class to a `!' in the constraint; move the if clause to
7786 do so after those that reject the insn.
7787 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7789 (find_dummy_reload): Likewise.
7790 * doc/tm.texi (Register Classes): Document what it means
7791 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7792 * config/i386/i386.c (ix86_preferred_reload_class): Force
7793 using SSE registers (and return NO_REGS for floating-point
7794 constants) if math is done with SSE.
7795 (ix86_preferred_output_reload_class): New.
7796 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7797 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7798 * config/i386/i386.md: Remove # register preferences.
7800 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7803 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7804 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7805 the type of nb_iter.
7806 (instantiate_parameters_1): Convert the operands before calling
7807 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7808 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7810 2006-04-02 Roger Sayle <roger@eyesopen.com>
7812 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7813 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7815 * dojump.c (do_jump): Likewise.
7816 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7817 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7818 gimplify_boolean_expr): Likewise.
7819 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7820 * varasm.c (array_size_for_constructor): Likewise.
7821 * tree-object-size.c (compute_object_offset): Likewise.
7823 2006-04-02 Roger Sayle <roger@eyesopen.com>
7826 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7827 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7829 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7831 PR tree-optimization/26939
7832 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7834 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7836 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7837 at_stmt. Convert the type of operands before calling
7838 build_polynomial_chrec.
7839 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7841 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7842 (instantiate_parameters_1): Convert the type of operands before calling
7843 build_polynomial_chrec.
7844 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7845 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7846 reset_evolution_in_loop): Insert asserts to check the types of the
7848 (chrec_type): Moved...
7849 (eq_evolutions_p): Use operand_equal_p.
7850 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7851 the types of the operands.
7852 (chrec_type): ...here.
7853 * tree-data-ref.c (create_data_ref): Convert the operands before
7854 calling chrec_replace_initial_condition.
7855 (same_access_functions, analyze_subscript_affine_affine,
7856 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7857 (compute_subscript_distance, analyze_ziv_subscript,
7858 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7859 analyze_miv_subscript): Convert the operands before calling
7860 chrec_fold_minus or chrec_fold_plus.
7862 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7864 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7865 the dependence_relations vector.
7866 (compute_data_dependences_for_loop): Adjust call to
7867 compute_all_dependences.
7869 2006-04-01 Roger Sayle <roger@eyesopen.com>
7870 Richard Henderson <rth@redhat.com>
7872 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7873 gimple_boolify on the condition before calling gimplify_expr.
7875 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7877 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7878 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7879 the frame size. Update to use the new macros.
7880 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7881 * config/xtensa/ieee754-df.S: Likewise.
7883 2006-03-31 Richard Henderson <rth@redhat.com>
7885 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7886 (make_edges): ... here. Control fallthru creation with a local
7887 variable. Do not play with fake edges.
7888 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7889 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7892 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7894 * dwarf2.h (DW64_CIE_ID): Define.
7895 * dwarf2out.c (DWARF_CIE_ID): Define.
7896 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7897 length header. Use DWARF_CIE_ID.
7898 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7899 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7901 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7903 * config/sh/linux-atomic.asm: New file.
7904 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7906 2006-03-31 DJ Delorie <dj@redhat.com>
7908 * config/m32c/cond.md: Set condition flags properly throughout.
7909 * config/m32c/minmax.md: Likewise.
7910 * config/m32c/prologue.md: Likewise.
7911 * config/m32c/bitops.md: Likewise.
7912 * config/m32c/muldiv.md: Likewise.
7913 * config/m32c/mov.md: Likewise.
7914 * config/m32c/addsub.md: Likewise.
7915 * config/m32c/m32c.md: Likewise.
7916 * config/m32c/jump.md: Likewise.
7917 * config/m32c/shift.md: Likewise.
7919 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7920 conditionally output the pattern for this.
7921 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7922 (m32c_compare_redundant): New.
7923 (m32c_output_compare): New.
7924 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7926 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7927 dest, not src. Allow other 4-byte modes.
7929 2006-03-30 Denis Chertykov <denisc@overta.ru>
7931 * doc/md.texi: Refer to avr/constraints.md instead of
7934 2006-03-30 Roger Sayle <roger@eyesopen.com>
7936 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7937 signed vs. unsigned comparison failures on some hosts.
7939 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7942 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7943 change to FLOAT_REGS.
7945 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7946 (rs6000_override_options): Use it.
7947 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7948 only for -mabi=spe/no-spe and -mabi=altivec.
7950 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7952 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7955 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7957 * Makefile.in: Rename docdir to gcc_docdir.
7959 2006-03-30 Roger Sayle <roger@eyesopen.com>
7962 * expr.c (emit_group_store): Optimize group stores into a pseudo
7963 register by using a paradoxical subreg to initialize the destination
7964 if the first or last member of the group specifies a "low part".
7966 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7969 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7970 * target.h (struct gcc_target.speculate_insn): Change type of the
7971 second parameter to 'int'.
7972 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7973 the second operand of the DEPS_LIST.
7974 (copy_DEPS_LIST_list): Update reference to the second operand of the
7976 * rtl.h (alloc_DEPS_LIST): Update signature.
7977 * sched-int.h (ds_t): Change typedef to 'int'.
7978 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7980 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7982 * haifa-sched.c (try_ready): Change condition to restore
7983 non-speculative pattern of the instruction.
7984 (process_insn_depend_be_in_spec): Code to keep probability of the
7985 speculative dependence non-decreasing.
7987 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7989 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7990 (single_move_for_movmem): ... this. Also change all uses.
7991 (bfin_expand_strmov): Renamed to...
7992 (bfin_expand_movmem): ... this. Also change all uses.
7993 * config/bfin/bfin.md (movstrsi): Renamed to...
7994 (movstrsi): ...this.
7996 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7998 PR tree-optimization/26830
8000 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8001 (copy_prop_visit_stmt): Remove write-only variable ann.
8002 (init_copy_prop): Check variable loop depth here. Do not simulate
8003 memory-tag and virtual operand PHIs except for store copy prop.
8005 2006-03-30 Richard Guenther <rguenther@suse.de>
8007 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8008 variants with double arguments.
8010 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8012 * genpreds.c (write_tm_constrs_h): Delete variable p.
8013 * genconditions.c (write_header): Add tm-constrs.h to included
8015 * genpeep.c (main): Add toplev.h to included headers.
8016 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8017 (build/genpeep.o): Add toplev.h dependency.
8018 * config/rs6000/constraints.md: Add "W" constraint.
8020 2006-03-29 Roger Sayle <roger@eyesopen.com>
8022 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8023 sizes by correctly testing whether the size fits a host integer.
8024 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8025 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8026 SImode range for the default sizetype and bitsizetype.
8028 2006-03-29 Roger Sayle <roger@eyesopen.com>
8030 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8031 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8032 quickly if the argument is already of the correct type.
8033 Call fold_build1 instead of build1. Tidy up blank lines.
8035 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8037 * genemit.c (main): Add tm-constrs.h to included headers.
8038 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8039 * genpeep.c (main): Add tm-constrs.h to included headers.
8040 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8041 (write_tm_constrs_h): this and write complete file.
8042 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8043 (write_insn_preds_c): Add tm-constrs.h to included headers.
8044 (gen_constrs): New variable.
8045 (parse_option): Parse "-c".
8046 (main): Invoke write_tm_constrs_h.
8047 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8048 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8049 (object_out_file): Add tm-constrs.h dependency.
8050 (insn-emit.o): Same.
8051 (insn-output.o): Same.
8052 (insn-peep.o): Same.
8053 (insn-preds.o): Same.
8054 (insn-recog.o): Same.
8055 (tm-constsr.h): New target.
8056 (s-constrs-h): New target.
8058 * config/rs6000/constraints.md: New file.
8059 * config/rs6000/rs6000.c: Include tm-constrs.h.
8060 (num_insn_constant_wide): Convert to satisfies_constraint.
8061 (rs6000_rtx_costs): Convert to satisfies_constraint.
8062 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8063 (CONST_OK_FOR_LETTER_P): Delete.
8064 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8065 (EXTRA_CONSTRAINT): Delete.
8066 (EXTRA_MEMORY_CONSTRAINT): Delete.
8067 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8068 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8069 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8070 satisfies_constraint.
8072 * config/i386/i386.c: Include tm-constrs.h.
8074 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8076 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8077 * tree-data-ref.c (find_data_references_in_loop,
8078 compute_data_dependences_for_loop): Use pointers to VEC.
8079 (analyze_all_data_dependences): Adjust calls.
8080 * tree-data-ref.h (find_data_references_in_loop,
8081 compute_data_dependences_for_loop): Adjust declarations.
8082 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8083 compute_data_dependences_for_loop.
8085 2006-03-29 Paul Brook <paul@codesourcery.com>
8087 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8090 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8092 PR tree-optimization/26859
8093 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8095 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8096 for the step after fold_convert.
8098 2006-03-29 Paul Brook <paul@codesourcery.com>
8100 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8101 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8103 2006-03-29 Paul Brook <paul@codesourcery.com>
8106 * targhooks.c (default_narrow_bitfield): New fuction.
8107 * targhooks.h (default_narrow_bitfield): add prototype.
8108 * target.h (gcc_target): Add narrow_volatile_bitfield.
8109 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8110 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8111 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8112 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8114 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8116 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8118 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8119 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8120 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8121 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8122 (s390_function_arg_float): Allow SDmode and DDmode values to be
8123 passed in floating point registers.
8124 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8125 check with SCALAR_FLOAT_MODE_P.
8126 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8128 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8130 PR tree-optimization/25985
8131 * tree-ssa-loop-niter.c (number_of_iterations_le,
8132 number_of_iterations_ne): Make comments more precise.
8133 (number_of_iterations_cond): Add only_exit argument. Use the
8134 fact that signed variables do not overflow only when only_exit
8136 (loop_only_exit_p): New.
8137 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8138 number_of_iterations_cond.
8140 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8142 PR tree-optimization/26643
8143 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8146 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8148 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8149 (divsi3_i4_int): Likewise.
8151 2006-03-28 Roger Sayle <roger@eyesopen.com>
8153 * expr.c (emit_group_store): Only create a new pseudo reg if the
8154 quantity it needs to hold isn't already a suitable pseudo.
8156 2006-03-28 Jeff Law <law@redhat.com>
8158 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8159 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8161 2006-03-28 Roger Sayle <roger@eyesopen.com>
8163 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8164 the equivalent ~X & Y, and the symmetry related transformations.
8165 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8166 ~X & Y, and symmetry related transforms.
8168 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8170 Revert my 2006-03-27 patches.
8172 2006-03-28 Roger Sayle <roger@eyesopen.com>
8174 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8175 ~(T1)X, when T1 and T2 are integer types of the same precision
8176 and (T2)X isn't an extension.
8178 2006-03-28 Jeff Law <law@redhat.com>
8180 PR tree-optimization/26796
8181 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8182 need EH edge cleanups rather than purging them immediately.
8183 (eliminate_degenerate_phis): Handle queued EH cleanups.
8185 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8187 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8190 2006-03-27 Roger Sayle <roger@eyesopen.com>
8193 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8194 cast BIT_NOT_EXPR operand to the correct type.
8196 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8198 * tree-loop-linear.c: Don't include varray.h.
8199 (gather_interchange_stats, try_interchange_loops,
8200 linear_transform_loops): Use VEC instead of VARRAY.
8201 * lambda-mat.c: Don't include varray.h.
8202 * tree-chrec.c: Same.
8203 * lambda-trans.c: Same.
8204 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8205 VEC instead of VARRAY.
8206 * tree-vectorizer.h: Idem.
8207 * tree-data-ref.c (dump_data_references,
8208 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8209 initialize_data_dependence_relation, finalize_ddr_dependent,
8210 compute_all_dependences, find_data_references_in_loop,
8211 compute_data_dependences_for_loop, analyze_all_data_dependences,
8212 free_dependence_relation, free_dependence_relations,
8213 free_data_refs): Idem.
8214 * tree-data-ref.h (data_reference_p, subscript_p): New.
8215 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8216 VEC instead of VARRAY.
8217 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8218 (find_data_references_in_loop, compute_data_dependences_for_loop,
8219 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8220 dump_data_dependence_relations, free_dependence_relations,
8221 free_data_refs): Adjust declaration.
8222 (lambda_transform_legal_p): Move declaration here...
8223 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8224 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8225 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8226 vect_analyze_data_refs): Use VEC instead of VARRAY.
8227 * lambda.h (lambda_transform_legal_p): ...from here.
8228 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8229 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8230 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8231 tree-chrec.o): Don't depend on VARRAY_H.
8233 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8235 * rtl.def (Copyright): Update date.
8236 (DEPS_LIST): Change type of the second operand to 'int'.
8237 * target.h (Copyright): Update date.
8238 (struct gcc_target.speculate_insn): Change type of the second parameter
8240 * lists.c (Copyright): Update date.
8241 (alloc_DEPS_LIST): Change signature. Update reference to the second
8242 operand of the DEPS_LIST.
8243 (copy_DEPS_LIST_list): Update reference to the second operand of the
8245 * rtl.h (Copyright): Update date.
8246 (alloc_DEPS_LIST): Update signature.
8247 * sched-int.h (Copyright): Update date.
8248 (ds_t): Change typedef to 'int'.
8249 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8251 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8253 * haifa-sched.c (Copyright): Update date.
8254 (try_ready): Change condition to restore non-speculative pattern
8256 (process_insn_depend_be_in_spec): Code to keep probability of the
8257 speculative dependence non-decreasing.
8259 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8261 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8262 shut up the compiler.
8264 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8266 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8267 to use lib prefix for target.
8268 ($(T)libic_invalidate_array_4-200.a): Likewise.
8269 ($(T)libic_invalidate_array_4a.a): Likewise.
8271 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8272 J"orn Rennecke <joern.rennecke@st.com>
8274 * superh.opt: New file.
8275 * sh.c (boardtype, osruntime): Remove.
8276 * superh.h (SUBTARGET_OPTIONS): Remove.
8277 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8279 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8280 arguments with ^ and/or [].
8282 * config.gcc (sh-*-*): Add quoting to account for quirk of
8284 Replace == with = in enable_incomplete_targets test.
8286 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8287 with MASK_LITTLE_ENDIAN.
8289 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8290 * config/sh/sh.opt: Added to some comments.
8291 * config/sh/superh.h: Removed some chaff.
8293 * config/sh/sh.opt: Add m4-[1234]00* options.
8294 * config/sh/sh.c (sh_handle_option): Likewise.
8295 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8296 (ic_invalidate_array_4-100.o): New rule.
8297 ($(T)libic_invalidate_array_4-100.a): Likewise.
8298 (ic_invalidate_array_4-200.o): Likewise.
8299 ($(T)libic_invalidate_array_4-200.a): Likewise.
8300 (ic_invalidate_array_4a.o): Likewise.
8301 ($(T)libic_invalidate_array_4a.a): Likewise.
8302 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8303 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8305 * config/sh/crt1.asm: Merged in profiling code.
8306 * config/sh/superh.h (STARTFILE_SPEC): Override.
8307 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8308 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8309 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8311 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8312 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8313 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8315 * sh.opt (mpretend-cmove): New option.
8316 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8317 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8318 (movsicc): Add TARGET_PRETEND_CMOVE code.
8320 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8322 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8323 s390_class_max_nregs): New function prototypes.
8324 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8325 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8326 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8327 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8329 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8331 * dwarf2out.c (add_location_or_const_value_attribute): Call
8332 tree_add_const_value_attribute if nothing else works.
8333 (reference_to_unused): New.
8334 (rtl_for_decl_init): Use reference_to_unused to decide whether
8335 to output an initializer.
8337 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8340 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8341 peephole removing spe frob_di_df_2.
8343 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8345 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8346 (subscript_dependence_tester_1): Declared.
8347 (print_dir_vectors, print_dist_vectors): New.
8348 (debug_data_dependence_relation): New.
8349 (dump_data_dependence_relation): Print more details.
8350 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8351 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8352 (save_dist_v, save_dir_v, add_outer_distances,
8353 build_classic_dist_vector_1): New.
8354 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8355 Don't test for lambda_vector_lexico_pos.
8356 (same_access_functions, add_multivariate_self_dist,
8357 add_other_self_distances, dir_from_dist): New.
8358 (build_classic_dir_vector): Replace implementation almost identical to
8359 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8361 (subscript_dependence_tester_1): New.
8362 (subscript_dependence_tester): Handle the lexicographically negative
8363 distance vectors by recomputing the dependence relation.
8364 (compute_affine_dependence): Remove parameter loop_nest_depth.
8365 (compute_self_dependence): Don't call compute_subscript_distance.
8366 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8367 Add a parameter for the loop_nest.
8368 (find_loop_nest_1, find_loop_nest): New.
8369 (compute_data_dependences_for_loop): Compute the loop nest, and give
8370 up if the nest is not well formed.
8371 * tree-data-ref.h (loop_p): New.
8372 (struct data_dependence_relation): Replace size_vect field with
8373 loop_nest, a vec of loops.
8374 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8375 (DDR_LOOP_NEST): New.
8376 (print_dir_vectors, print_dist_vectors,
8377 debug_data_dependence_relation): Declared.
8378 (index_in_loop_nest): New.
8379 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8380 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8383 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8385 * simplify-rtx.c (simplify_relational_operation): Call
8386 simplify_relational_operation_1 even if mode is VOIDmode.
8388 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8390 PR tree-optimization/26804
8391 * tree.h (DECL_CALL_CLOBBERED): New macro.
8392 (tree_decl_common): Add call_clobbered_flag.
8393 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8394 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8395 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8396 (mark_non_addressable): Ditto.
8397 * tree-ssa.c (verify_call_clobbered): New function.
8398 (verify_alias_info): Use it.
8399 * tree-pass.h (pass_reset_cc_flags): New prototype.
8400 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8401 (reset_cc_flags): New function.
8402 * passes.c (init_optimization_passes): Call reset_cc_flags after
8403 initializing referenced_vars.
8405 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8406 Roger Sayle <roger@eyesopen.com>
8409 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8410 to 1.0 for non-real operands. Implement A / A optimization for
8413 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8415 * config/i386/i386.c (size_cost): Correct the comment for
8416 cost of storing fp registers.
8417 (i386_cost): Likewise.
8418 (i486_cost): Likewise.
8419 (pentium_cost): Likewise.
8420 (pentiumpro_cost): Likewise.
8421 (k6_cost): Likewise.
8422 (athlon_cost): Likewise.
8423 (k8_cost): Likewise.
8424 (pentium4_cost): Likewise.
8425 (nocona_cost): Likewise.
8426 (generic64_cost): Likewise.
8427 (generic32_cost): Likewise.
8429 2006-03-24 Denis Chertykov <denisc@overta.ru>
8431 * config/avr/avr-protos.h (extra_constraint): Delete.
8432 (extra_constraint_Q): New declaration.
8433 * config/avr/constraints.md: New file.
8434 * config/avr/avr.md: Include it.
8435 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8436 (TMP_REGNO, ZERO_REGNO): Likewise.
8437 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8438 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8439 (extra_constraint): Delete.
8440 (extra_constraint_Q): Test for memory constraint 'Q'.
8441 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8442 (REG_CLASS_FROM_LETTER): Delete.
8443 (CONST_OK_FOR_LETTER_P): Delete.
8444 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8445 (EXTRA_CONSTRAINT): Delete.
8446 (TMP_REGNO): Delete.
8447 (ZERO_REGNO): Delete.
8449 2006-03-24 Jeff Law <law@redhat.com>
8451 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8452 directly. Call mark_new_vars_to_rename slightly earlier.
8454 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8456 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8458 (gen_compile_unit_die): Use new language types for Objective-C and
8460 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8461 DW_LANG_C_plus_plus.
8464 * config/t-darwin (crt3.o): Work around bug 26840.
8465 * config/darwin-crt3.c: Rewrite.
8466 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8468 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8470 * doc/invoke.texi: Document -femit-class-debug-always
8471 * common.opt: Add -femit-class-debug-always.
8473 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8475 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8476 index and base register.
8477 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8478 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8479 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8480 REGNO_OK_FOR_INDEX_P.
8481 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8483 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8484 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8485 REG_OK_FOR_BASE_P): Definitions removed.
8487 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8490 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8491 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8492 set yet or weren't marked as local yet.
8494 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8496 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8499 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8501 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8502 (rs6000_legitimate_small_data_p): Delete.
8503 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8504 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8505 and make static. Add forward declaration. Update uses.
8506 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8507 of offsettable_memref_p.
8508 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8509 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8511 2006-03-24 Jeff Law <law@redhat.com>
8513 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8514 around bug in immediate-use iterator.
8516 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8519 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8520 or __LITTLE_ENDIAN__.
8522 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8524 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8525 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8526 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8527 * config/sh/sh.opt (mdiv=): Amend description.
8528 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8529 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8530 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8531 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8532 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8533 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8534 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8535 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8536 TARGET_DIVIDE_CALL_FP.
8538 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8540 * haifa-sched.c (choose_ready): Fix type of the local variable.
8541 Move local variables. Add comment.
8542 (check_reg_live): Change signature. Make callable from debugger.
8543 * sched-int.h (check_reg_live): Update signature.
8544 * sched-ebb.c (check_reg_live): Update parameters.
8545 * sched-rgn.c (check_reg_live): Ditto.
8546 (region_head_or_leaf_p): Check pointer before dereferencing.
8547 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8548 before reload on optimization levels below 1.
8550 2006-03-23 Richard Henderson <rth@redhat.com>
8552 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8556 * config/alpha/predicates.md (local_symbolic_operand): Reject
8559 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8562 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8563 expressions which have overflowed constants.
8565 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8567 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8569 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8571 * cfgloopmanip.c (create_loop_notes): Removed.
8572 * final.c (final_scan_insn): Do not handle loop notes.
8573 * jump.c (squeeze_notes): Ditto.
8574 * cfglayout.c (skip_insns_after_block,
8575 duplicate_insn_chain): Ditto.
8576 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8578 * cfgloop.h (create_loop_notes): Declaration removed.
8580 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8582 * varasm.c (output_constant_pool): Restore fnname and fndecl
8584 (assemble_start_function): Adjust call accordingly.
8585 (assemble_end_function): Likewise.
8587 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8590 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8593 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8595 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8598 * system.h (ICE_EXIT_CODE): New macro.
8599 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8600 (diagnostic_action_after_output): Likewise.
8601 * gcc.c (fatal_ice): New function.
8602 (execute): Use it instead of fatal.
8603 (fancy_abort): Likewise.
8604 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8606 2006-03-22 Jeff Law <law@redhat.com>
8608 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8609 iv_analyze_result returning false.
8611 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8613 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8615 2006-03-22 Richard Henderson <rth@redhat.com>
8618 * except.c (duplicate_eh_regions_0): New.
8619 (duplicate_eh_region_1): Duplicate the children of the node as
8620 well as the node itself. Link them up properly.
8621 (duplicate_eh_region_2): Merge into ...
8622 (duplicate_eh_regions): ... here. Take copy_region argument, and
8623 copy only a sub-tree if asked. Simplify copying and fixup.
8624 (eh_region_outer_p): New.
8625 * except.h (duplicate_eh_regions): Update decl.
8626 (eh_region_outer_p): Declare.
8627 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8628 (lower_omp_master): Likewise.
8629 (lower_omp_ordered): Likewise.
8630 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8631 (move_stmt_r): Use it to remap labels. Handle recursion vs
8632 remap_decls_p properly.
8633 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8634 (find_outermost_region_in_block): New.
8635 (new_label_mapper): New.
8636 (move_sese_region_to_fn): Copy eh information to the new function
8638 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8640 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8643 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8645 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8646 into shared libraries.
8648 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8650 * doc/md.texi: Refer to i386/constraints.md instead of
8652 * config/i386/constraints.md: New file, extracted from...
8653 * config/i386/predicates.md: ...here.
8654 * config/i386/i386.md: Include constraints.md.
8656 2006-03-21 Jason Merrill <jason@redhat.com>
8658 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8661 * expr.c (init_block_move_fn): Force default visibility.
8662 (init_block_clear_fn): Likewise.
8663 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8664 * targhooks.c (default_external_stack_protect_fail): Likewise.
8666 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8668 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8669 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8670 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8671 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8672 (loadgp): Use mips_current_loadgp_style.
8673 (loadgp_noshared): New pattern.
8674 (sibcall_internal): Use MIPS_CALL.
8675 (sibcall_value_internal): Likewise.
8676 (sibcall_value_multiple_internal): Likewise.
8677 (call_internal): Likewise.
8678 (call_value_internal): Likewise.
8679 (call_value_multiple_internal): Likewise.
8680 (call_split): Use MIPS_CALL and add an 'S' constraint.
8681 (call_value_split): Likewise.
8682 (call_value_multiple_split): Likewise.
8683 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8684 (-mshared): New option.
8685 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8686 (mips_current_loadgp_style): Declare.
8687 * config/mips/mips.c (mips_classify_symbol): Avoid using
8688 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8689 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8690 TARGET_ABSOLUTE_ABICALLS.
8691 (override_options): Adjust comments. Improve the warning that is
8692 issued when -mabicalls and -G are used together.
8693 (mips_file_start): Remove comment.
8694 (mips_current_loadgp_style): New function.
8695 (mips_gnu_local_gp): New variable.
8696 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8698 (mips_output_function_prologue): Use mips_current_laodgp_style.
8699 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8700 the cprestore instruction.
8701 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8702 live for TARGET_ABSOLUTE_ABICALLS.
8703 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8704 (ASM_SPEC): Pass down -mshared and -mno-shared.
8705 (MIPS_CALL): New macro.
8706 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8708 * doc/invoke.texi (-mabicalls): Update documentation.
8709 (-mshared): Document.
8711 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8713 * config/ia64/unwind-hpux.c: New file.
8714 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8716 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8719 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8721 2006-03-21 Jeff Law <law@redhat.com>
8723 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8724 type conversions of a VR_VARYING source to a wider type.
8726 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8728 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8729 tm_file on Solaris 10 and later.
8730 (sparc64-*-solaris2*): Likewise.
8731 (sparc-*-solaris2*): Likewise.
8732 * config/sol26.h: Rename to config/sol2-6.h.
8733 * config/sol2-10.h: New file.
8735 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8738 * tree-ssa-pre.c (create_component_ref_by_pieces):
8741 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8744 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8745 return it immediately.
8747 2006-03-21 Michael Matz <matz@suse.de>
8749 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8751 (remove_arc, add_arc): Update num_out_arcs member.
8752 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8754 (cache_presence): New function.
8755 (compare_states_for_equiv): New function.
8756 (state_is_differed): Don't take number of outargs, adjust callers.
8757 Use new invariant for speeding up.
8758 (init_equiv_class): Create initial classes based on sorted
8760 (partition_equiv_class): Don't track out_arcs_num.
8761 (evaluate_equiv_classes): Call cache_presence on all states and
8764 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8766 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8767 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8768 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8769 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8771 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8772 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8773 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8774 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8775 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8777 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8778 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8779 (REGNO_REG_CLASS): ARGP is in PREGS.
8780 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8782 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8783 to deal with those addresses.
8784 * addresses.h: New file.
8785 * caller-save.c: Include "addresses.h".
8786 (init_caller_save): Use new base_reg_class function.
8787 * rtl-factoring.c: Include "addresses.h".
8788 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8789 * recog.c: Include "addresses.h".
8790 (preprocess_constraints): Use new base_reg_class function.
8791 * regrename.c: Include "addresses.h".
8792 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8793 functions. Keep track of a new var INDEX_CODE to compute valid
8795 (replace_oldest_value_addr): Likewise.
8796 (replace_oldest_value_mem): Use base_reg_class.
8797 * reload.c: Include "addresses.h".
8798 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8799 (find_reloads): Use new base_reg_class function.
8800 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8801 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8802 all callers and prototype changed.
8803 * reload1.c: Include "addresses.h".
8804 (maybe_fix_stack_asms): Use base_reg_class.
8805 * regclass.c: Include "addresses.h".
8806 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8807 (init_reg_autoinc): Use new base_reg_class function.
8808 (record_reg_classes): Likewise.
8809 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8810 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8811 Use new args to compute necessary class.
8813 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8814 regrename.o, rtl-factoring.o): Update dependencies.
8815 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8816 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8817 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8818 REG_OK_FOR_INDEX_P): Delete documentation.
8820 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8822 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8823 from V7 to V9 for Solaris 7 and above.
8825 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8827 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8828 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8829 argument pointers may not alias any other storage.
8830 * common.opt: Define option -fargument-noalias-anything.
8831 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8832 alias semantics is specified by flag_argument_noalias > 2.
8834 2006-03-20 Jeff Law <law@redhat.com>
8836 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8837 (pass_phi_only_cprop): Declare.
8838 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8840 * tree-ssa-dom.c (degenerate_phi_result): New function.
8841 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8842 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8843 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8844 (eliminate_degenerate_phis): Likewise.
8845 (pass_phi_only_cprop): New pass descriptor.
8846 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8847 support code. Callers updated.
8848 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8849 (store_copy_prop): Likewise.
8850 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8852 2006-03-20 Jason Merrill <jason@redhat.com>
8855 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8856 (push_visibility, pop_visibility): Likewise.
8857 * c-pragma.h: Declare them.
8859 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8861 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8863 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8864 parameter and use get_ebb_head_tail.
8865 (sh_md_init_global): Adjust uses of find_regmode_weight.
8867 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8869 * function.h (struct function) <x_tail_recursion_reentry>:
8870 Rename to x_stack_check_probe_note.
8871 (tail_recursion_reentry): Rename to stack_check_probe_note.
8872 * function.c: Replace tail_recursion_reentry with
8873 stack_check_probe_note everywhere.
8874 (expand_function_start): Only emit a note for
8875 stack_check_probe_note with -fstack-protect.
8876 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8878 * emit-rtl.c (remove_unnecessary_notes): Remove.
8879 (pass_remove_unnecessary_notes): Remove.
8880 * rtl.h (remove_unnecessary_notes): Remove prototype.
8881 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8882 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8883 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8885 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8888 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8889 (valid_in_set): Handle ARRAY_REF.
8890 Change "if min_variant or VH" to asserts.
8891 (create_component_ref_by_pieces): Handle ARRAY_REF.
8892 (create_expression_by_pieces): Likewise.
8893 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8895 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8897 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8898 is operand of switch, not str[0].
8900 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8902 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8903 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8905 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8907 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8908 end of insn_extra_address_constraint declaration.
8910 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8912 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8913 (no-sum-in-toc): Same.
8914 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8916 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8917 NO_FP_IN_TOC for -fPIC instead of mask.
8919 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8920 (BOOT_LDFLAGS): Delete.
8922 * config/rs6000/t-aix52: Same.
8924 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8925 (stmsi[345678]_power): New.
8927 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8929 * config/ia64/ia64.opt: Add empty line to end of file.
8931 2006-03-17 Richard Guenther <rguenther@suse.de>
8934 * builtins.c (get_pointer_alignment): For component style references
8935 adjust alignment to the component type alignment. Make sure
8936 to adjust alignment for component access of constants.
8938 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8940 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8943 2006-03-17 Paul Brook <paul@codesourcery.com>
8945 * doc/install.texi: Docuemnt --with-mode.
8946 * config.gcc: Add --with-mode for arm*-*-*.
8947 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8949 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8951 * sh.c (max_labelno_before_reorg): New variable.
8952 (sh_reorg): Initialize it.
8953 (find_barrier): Check max_labelno_before_reorg before using
8954 label_to_alignment. Take length of explicit alignment insns
8955 into account. When seeing a UNSPECV_CONST_END, return it.
8957 * sh.c (fixup_mova): Set mode of affected label to QImode.
8958 (untangle_mova): New function.
8959 (find_barrier): Use it. Check mode of label before decrementing
8961 (sh_reorg): Likewise.
8962 Set mode of all insns back to VOIDmode.
8964 * sh.c (MOVA_LABELREF): New macro.
8965 (mova_p, fixup_mova, sh_reorg): Use it.
8966 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8967 ADDR_DIFF_VEC matches mova.
8969 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8971 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8972 with ATTRIBUTE_UNUSED.
8974 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8976 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8977 pointer, instead of assuming it is possible to derive the
8978 correct args size from a call insn.
8980 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8982 * rtl.h (CONST_INT_P): Define.
8983 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8984 instead of GET_CODE(x) == CONST_INT.
8985 (vax_rtx_costs): Likewise.
8986 (vax_output_int_move): Likewise.
8987 (vax_output_int_add): Likewise.
8988 (legitimate_constant_address_p): Likewise.
8989 (index_term_p): Likewise.
8990 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8991 * config/vax/vax.md (and<mode>3): Likewise.
8992 (ashrsi3): Likewise.
8994 (movstricthi): Likewise.
8995 (movstrictqi): Likewise.
8996 (rotrsi3): Likewise.
8997 (five unnamed insns): Likewise.
8999 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9001 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9002 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9003 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9004 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9005 Pass to ASM_OUTPUT_DWARF_OFFSET.
9006 * dwarf2out.c (debug_frame_section): New.
9007 (output_call_frame_info): Use debug_frame_section. Pass it to
9008 dw2_asm_output_offset.
9009 (output_die): Pass appropriate section to dw2_asm_output_offset.
9010 (output_compilation_unit_header): Likewise.
9011 (output_pubnames): Likewise.
9012 (output_aranges): Likewise.
9013 (enum dw_val_class): Break dw_val_class_lbl_offset into
9014 dw_val_class_lineptr and dw_val_class_macptr.
9015 (add_AT_lbl_offset): Delete.
9016 (add_AT_lineptr): New.
9017 (add_AT_macptr): New.
9018 (AT_lbl): Expect a lineptr or macptr.
9019 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9020 (attr_checksum): Likewise.
9021 (same_dw_val_p): Likewise.
9022 (size_of_die): Likewise.
9023 (value_format): Likewise.
9024 (output_die): Likewise.
9025 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9027 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9028 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9029 * config/darwin-protos.h (darwin_file_start): New.
9030 (darwin_asm_output_dwarf_offset): New.
9031 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9032 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9034 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9035 if not EH section; simplify.
9036 (darwin_file_start): New.
9037 (darwin_asm_output_dwarf_offset): New.
9038 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9040 (DEBUG_INFO_SECTION): Likewise.
9041 (DEBUG_ABBREV_SECTION): Likewise.
9042 (DEBUG_ARANGES_SECTION): Likewise.
9043 (DEBUG_MACINFO_SECTION): Likewise.
9044 (DEBUG_LINE_SECTION): Likewise.
9045 (DEBUG_LOC_SECTION): Likewise.
9046 (DEBUG_PUBNAMES_SECTION): Likewise.
9047 (DEBUG_STR_SECTION): Likewise.
9048 (DEBUG_RANGES_SECTION): Likewise.
9049 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9050 (ASM_OUTPUT_DWARF_OFFSET): New.
9052 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9054 * config.gcc (tm_defines): Always add to previous value rather
9057 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9059 * config/mips/predicates.md (splittable_const_int_operand): New,
9060 split from move_operand.
9061 (splittable_symbolic_operand): New.
9062 (move_operand): Add commentary. Use splittable_const_int_operand.
9063 Inline mips_atomic_symbolic_constant_p.
9064 * config/mips/mips.md: Add combine splitters for handling moves
9065 of splittable_const_int_operands and splittable_symbolic_operands.
9066 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9067 (mips_split_symbol): Declare.
9068 (mips_move_integer): Declare.
9069 * config/mips/mips.c (mips_split_p): Make global.
9070 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9071 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9072 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9073 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9074 (mips_offset_within_object_p): Handle block symbols.
9075 (mips_atomic_symbolic_constant_p): Delete.
9076 (mips_cannot_force_const_mem): Return false for constants that
9077 mips_legitimize_move can handle.
9078 (mips_use_blocks_for_constant_p): New function.
9079 (mips_split_symbol): Make global.
9080 (mips_move_integer): Likewise. Add a temporary register argument.
9081 (mips_legitimize_const_move): Use splittable_const_int_operand and
9082 splittable_symbolic_operand.
9083 (mips_use_anchors_for_symbol_p): New function.
9084 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9085 (mips_split_p): Declare.
9087 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9089 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9090 (mips*-*-linux*): Likewise.
9092 2006-03-16 Roger Sayle <roger@eyesopen.com>
9093 Daniel Speyer <dspeyer@wam.umd.edu>
9096 * tree-dump.c (dump_real): New function.
9097 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9098 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9099 (tree-dump.o): Add $(REAL_H) to the dependencies.
9101 2006-03-16 Roger Sayle <roger@eyesopen.com>
9104 * real.c (real_from_string): If the mantissa is zero, don't bother
9105 parsing the exponent as the result should always be zero.
9107 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9109 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9111 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9113 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9114 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9115 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9116 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9117 ia64_sched_finish_global): New static functions to implement
9118 hooks from gcc_target.sched.
9119 (spec_check_no, max_uid, pending_data_specs): New static variables.
9120 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9121 ia64_spec_check_src_p): New static functions.
9122 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9123 (TARGET_SCHED_ADJUST_COST): Removed.
9124 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9125 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9126 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9127 TARGET_SCHED_GEN_CHECK,
9128 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9129 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9130 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9131 Fixed to handle speculation checks.
9132 (rtx_needs_barrier): Fixed to handle speculative loads and
9134 (ia64_variable_issue): Added code to count speculative loads and their
9136 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9138 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9140 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9142 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9143 (ia64_reorg): Reset stops_p to NULL after it is freed.
9144 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9145 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9146 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9148 (data_speculative, control_speculative, check_load): New attributes.
9149 (mov<mode>_advanced, mov<mode>_speculative,
9150 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9151 zero_extend<mode>di2_speculative,
9152 zero_extend<mode>di2_speculative_advanced): New patterns for
9153 data and control speculative loads.
9154 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9156 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9157 New pattern for data and control speculation checks.
9158 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9159 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9160 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9161 Auxiliary definitions for the patterns.
9162 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9163 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9165 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9167 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9168 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9169 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9170 New resource constraints.
9171 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9173 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9174 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9175 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9176 msched-in-control-spec, msched-ldc, msched-control-ldc,
9177 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9178 msched-prefer-non-control-spec-insns,
9179 msched-count-spec-in-critical-path): New flags to tune speculative
9181 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9182 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9183 msched-in-control-spec, msched-ldc, msched-control-ldc,
9184 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9185 msched-prefer-non-control-spec-insns,
9186 msched-count-spec-in-critical-path): Document new flags.
9188 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9190 * target.h (struct spec_info_def): New opaque declaration.
9191 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9192 speculate_insn, needs_block_p, gen_check,
9193 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9194 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9195 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9196 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9197 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9198 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9200 (TARGET_SCHED): Use new macros.
9201 * rtl.h (copy_DEPS_LIST_list): New prototype.
9202 * sched-int.h (struct sched_info): Change signature of new_ready field,
9203 adjust all initializations. New fields: add_remove_insn,
9204 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9205 region_head_or_leaf_p.
9206 (struct spec_info_def): New structure declaration.
9207 (spec_info_t): New typedef.
9208 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9209 recovery_block, orig_pat.
9210 (glat_start, glat_end): New variables declaraions.
9211 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9213 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9214 DETACH_LIFE_INFO, USE_GLAT.
9215 (enum SPEC_SCHED_FLAGS): New enumeration.
9216 (NOTE_NOTE_BB_P): New macro.
9217 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9218 attach_life_info, debug_spec_status, check_reg_live): New functions.
9219 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9220 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9222 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9223 * ddg.c (get_block_head_tail): Adjust all uses.
9224 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9225 (sms_sched_info): Initialize new fields.
9226 (contributes_to_priority): Removed.
9227 * haifa-sched.c (params.h): New include.
9228 (get_block_head_tail): Adjust all uses.
9229 (ISSUE_POINTS): New macro.
9230 (glat_start, glat_end): New global variables.
9231 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9232 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9233 old_last_basic_block, before_recovery, current_sched_info_var,
9234 rgn_n_insns, luid): New static variables.
9235 (insn_cost1): New function. Move logic from insn_cost to here.
9236 (find_insn_reg_weight1): New function. Move logic from
9237 find_insn_reg_weight to here.
9238 (reemit_notes, move_insn, max_issue): Change signature.
9239 (move_insn1): Removed.
9240 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9241 extend_bb): New static functions to support extension of scheduler's
9243 (generate_recovery_code, process_insn_depend_be_in_spec,
9244 begin_speculative_block, add_to_speculative_block,
9245 init_before_recovery, create_recovery_block, create_check_block_twin,
9246 fix_recovery_deps): New static functions to support
9247 generation of recovery code.
9248 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9249 restore_bb_notes, move_block_after_check, move_succs): New static
9250 functions to support ebb scheduling.
9251 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9252 functions to support handling of register live information.
9253 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9254 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9255 add_jump_dependencies): New static functions.
9256 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9257 consistancy checking.
9258 (debug_spec_status): New function to call from debugger.
9259 (priority): Added code to handle speculation checks.
9260 (rank_for_schedule): Added code to distinguish speculative instructions.
9261 (schedule_insn): Added code to handle speculation checks.
9262 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9263 Fixed to handle ebbs.
9264 (move_insn): Added code to handle ebb scheduling.
9265 (max_issue): Added code to use ISSUE_POINTS of instructions.
9266 (choose_ready): Added code to choose between speculative and
9267 non-speculative instructions.
9268 (schedule_block): Added code to handle ebb scheduling and scheduling of
9269 speculative instructions.
9270 (sched_init): Initialize new variables.
9271 (sched_finish): Free new variables. Print statistics.
9272 (try_ready): Added code to handle speculative instructions.
9273 * lists.c (copy_DEPS_LIST_list): New function.
9274 * sched-deps.c (extend_dependency_caches): New function. Move logic
9275 from create_dependency_caches to here.
9276 (get_dep_weak, ds_merge): Make global.
9277 * genattr.c (main): Code to output prototype for
9278 dfa_clear_single_insn_cache.
9279 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9280 (output_dfa_clean_insn_cache_func): Code to output
9281 dfa_clear_single_insn_cache function.
9282 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9284 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9286 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9287 New static variables.
9288 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9289 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9291 (ebb_sched_info): Initialize new fields.
9292 (get_block_head_tail): Adjust all uses.
9293 (compute_jump_reg_dependencies): Fixed to use glat_start.
9294 (schedule_ebb): Code to remove unreachable last block.
9295 (schedule_ebbs): Added code to update register live information.
9296 * sched-rgn.c (region_sched_info): Initialize new fields.
9297 (get_block_head_tail): Adjust all uses.
9298 (last_was_jump): Removed. Adjust users.
9299 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9300 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9301 Implement new hooks.
9302 (check_dead_notes1): New static function.
9303 (struct region): New fields: dont_calc_deps, has_real_ebb.
9304 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9305 (BB_TO_BLOCK): Fixed to handle EBBs.
9306 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9307 (ebb_head): New static variable.
9308 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9309 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9311 (compute_dom_prob_ps): New assertion.
9312 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9313 global_live_at_start.
9314 (init_ready_list): New assertions.
9315 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9316 (new_ready): Add support for BEGIN_CONTROL speculation.
9317 (schedule_insns): Fixed code that updates register live information
9319 (schedule_region): Fixed to handle EBBs.
9320 (init_regions): Use extend_regions and check_dead_notes1.
9321 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9322 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9323 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9324 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9325 TARGET_SCHED_GEN_CHECK,
9326 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9327 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9328 * doc/invoke.texi (max-sched-insn-conflict-delay,
9329 sched-spec-prob-cutoff): Document.
9331 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9333 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9334 inter_tick, queue_index.
9335 (struct sched_info): Change signature of init_ready_list field.
9336 Adjust all initializations.
9337 (RESOLVED_DEPS): New access macro.
9338 (ready_add): Remove prototype.
9339 (try_ready): Add prototype.
9340 * sched-rgn.c (init_ready_list): Use try_ready.
9341 (schedule_region): Initialize
9342 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9343 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9344 (init_ready_list): Use try_ready.
9345 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9346 * lists.c (remove_list_elem): Remove `static'.
9347 (remove_free_INSN_LIST_elem): New function.
9348 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9349 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9350 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9352 (readyp): New variable.
9353 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9354 change_queue_index, resolve_dep): New static functions.
9355 (try_ready): New function. Adjust callers in sched-rgn.c and
9356 sched-ebb.c to use it instead of ready_add.
9357 (clock_var): Move at the begining of file.
9358 (rank_for_schedule): Fix typo.
9359 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9360 (ready_lastpos): Enforce assertion.
9361 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9363 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9364 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9365 (queue_to_ready): Use free_INSN_LIST_list.
9366 (early_queue_to_ready): Fix typo.
9367 (schedule_block): Init readyp. Move init_ready_list call after the
9368 initialization of clock_var. Fix error in rejecting insn by
9369 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9370 that previously corrected INSN_TICKs. Add code for handling
9372 (set_priorities): Fix typo.
9373 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9374 Clarify comment and code that keeps current_sched_info->next_tail
9377 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9379 * sched-rgn.c (extend_rgns): New static function.
9380 (find_rgns): Use it.
9381 (gather_region_statistics, print_region_statistics): New static
9383 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9384 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9386 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9387 Andrey Belevantsev <abel@ispras.ru>
9389 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9390 * lists.c (unused_deps_list): New variable.
9391 (free_list): Add assertions to verify the proper distinguishing
9392 between INSN_LISTs and DEPS_LISTs.
9393 (find_list_elem, remove_list_elem, remove_list_node): New static
9395 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9396 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9397 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9398 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9400 (free_INSN_LIST_node): Likewise.
9401 * modulo-sched.c (current_sched_info): Initialize flags field.
9402 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9403 * rtl.def (DEPS_LIST): Define.
9404 * rtl.h: Declare new functions from lists.c.
9405 * sched-deps.c (spec_dependency_cache): New static variable.
9406 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9407 (add_dependence): Change return type to void. Move the logic to ...
9408 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9409 (delete_all_dependences): Add comment about forward_dependency_cache.
9410 Handle spec_dependency_cache. Handle DEPS_LISTs.
9411 (fixup_sched_groups): Clarify the change of priority of output
9412 and anti dependencies.
9413 (sched_analyze_2): Adjust add_dependence calls to create data
9414 speculative dependence.
9415 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9416 Adjust all callers. Handle DEPS_LISTS.
9417 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9418 presence of speculation.
9419 (init_dependency_caches, free_dependency_caches):
9420 Handle spec_dependency_cache.
9421 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9422 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9423 New static functions.
9424 (add_or_update_back_dep, add_or_update_back_forw_dep,
9425 add_back_forw_dep, delete_back_forw_dep): New functions.
9426 * sched-int.h (ds_t, dw_t): New typedefs.
9427 (struct sched_info): Add new field flags.
9428 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9429 Prototype new sched-deps.c functions.
9430 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9431 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9432 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9433 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9434 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9435 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9437 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9439 * sched-rgn.c (current_sched_info): Initialize flags field.
9440 (schedule_insns): Initialize current_sched_info before the sched_init
9442 * sched-ebb.c (current_sched_info): Initialize flags field.
9443 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9444 Call add_or_update_back_dep instead of add_dependence.
9445 Create control speculative dependencies.
9446 (schedule_insns): Initialize current_sched_info before the sched_init
9449 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9451 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9453 (sh_fallback_frame_state): Likewise.
9455 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9457 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9458 Do switch on default_use_cxa_atexit.
9459 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9460 * config/darwin-crt3.o: New.
9461 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9462 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9463 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9465 * config/rs6000/t-darwin: Move crt2.o building to here.
9466 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9467 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9470 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9472 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9473 from '! xxx' to '!xxx' for coding-style conformance.
9474 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9475 (EXTRA_CONSTRAINT): Likewise.
9476 * config/vax/vax.md (four unnamed insns): Likewise.
9478 2006-03-15 Paul Brook <paul@codesourcery.com>
9480 * config/arm/arm.c (minipool_pad): New.
9481 (add_minipool_forward_ref): Include pool alignment padding in address
9483 (push_minipool_fix): Set minipool_pad.
9484 (minipool_pad): Ditto.
9486 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9488 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9489 instead of GET_CODE() == MEM and REG_P() instead of
9491 (print_operand_address): Likewise.
9492 (vax_address_cost): Likewise.
9493 (vax_rtx_costs): Likewise.
9494 (vax_notice_update_cc): Likewise.
9495 (vax_output_int_add): Likewise.
9496 (INDEX_REGISTER_P): Likewise.
9497 (BASE_REGISTER_P): Likewise.
9498 (nonindexed_address_p): Likewise.
9499 (vax_mode_dependent_address_p): Likewise.
9500 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9501 (PRINT_OPERAND): Likewise.
9502 * config/vax/vax.md (ashlsi3): Likewise.
9503 (ashlsi3): Likewise.
9504 (some more unnamed insns): Likewise.
9506 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9508 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9509 iterator-style macro.
9510 (mark_control_dependent_edges_necessary): Update the use of
9511 EXECUTE_IF_CONTROL_DEPENDENT.
9513 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9515 * config/sh/predicates.md (cache_address_operand): Special.
9516 (ua_address_operand): Likewise.
9518 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9520 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9522 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9524 2006-03-15 Andreas Schwab <schwab@suse.de>
9526 * gensupport.c (identify_predicable_attribute): Don't free p_false
9527 when it is still in use.
9529 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9531 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9532 the default setting here.
9534 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9536 * tree-pass.h (pass_cfg): Remove.
9537 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9538 * passes.c (pass_cfg): Don't run it.
9540 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9542 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9543 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9545 (stack_regs_mentioned): Update the uses of
9546 stack_regs_mentioned_data. Don't access the array beyond its
9548 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9549 Don't include gt-reg-stack.h.
9551 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9552 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9554 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9557 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9560 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9562 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9564 2006-03-14 Richard Guenther <rguenther@suse.de>
9566 PR tree-optimization/26672
9567 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9570 2006-03-14 Richard Guenther <rguenther@suse.de>
9572 PR tree-optimization/26667
9573 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9574 node for the callees. Always allow inlining if it will shrink
9577 2006-03-14 Richard Guenther <rguenther@suse.de>
9580 * builtins.c (get_pointer_alignment): Prefer alignment
9581 information from decls over that from types.
9583 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9586 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9588 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9590 * config/rs6000/rs6000.opt (mdlmzb): New option.
9591 (msched-prolog, msched-epilog): Use Var not Mask.
9592 * doc/invoke.texi (-mdlmzb): Document.
9593 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9595 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9596 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9598 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9600 PR rtl-optimization/25739
9601 * bt-load.c (augment_live_range): Free tos pointer.
9603 * gensupport.c (identify_predicable_attribute): Free
9605 * gcov.c (create_file_names): Free name pointer.
9607 2006-03-13 Roger Sayle <roger@eyesopen.com>
9610 * stmt.c (emit_case_nodes): Handle the case where the index is a
9611 CONST_INT, where the comparison mode is specified by the index type.
9613 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9615 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9618 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9620 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9621 (*branch_fp_inverted): Likewise.
9623 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9626 * omp-low.c (expand_omp_for_generic): Mark istart0
9627 and iend0 as addressable.
9629 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9631 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9633 2006-03-13 Jeff Law <law@redhat.com>
9635 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9636 virtual operands are interesting.
9637 (vrp_visit_stmt): Corresponding changes.
9639 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9641 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9643 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9644 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9645 * config/bfin/crti.S: Use it instead of __PIC__.
9646 * config/bfin/crtn.S: Likewise.
9648 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9649 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9651 Lose 'G' modifier for call operand.
9652 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9653 recognize 'G' modifier.
9655 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9658 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9659 * stmt.c (expand_case): Likewise.
9661 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9663 PR rtl-optimization/26254
9664 * loop-invariant.c (seq_insns_valid_p): New function.
9665 (move_invariant_reg): Only emit new code if it is valid.
9667 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9669 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9671 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9672 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9673 (commit_one_edge_insertion): Do not look for loop notes.
9675 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9677 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9678 flag_test_coverage out of loop.
9680 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9682 * final.c (shorten_branches): Remove outdated comment, and turn
9683 the if branch that guards it to continue.
9685 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9687 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9688 * cfgloop.h (struct loop): Remove unused fields.
9690 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9692 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9693 (-dL, -fdump-rtl-loop2): Update the dump file names
9695 * doc/invoke.texi: Update dump file names.
9697 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9699 * predict.c (estimate_probability): Remove.
9700 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9701 * basic-block.h (estimate_probability): Remove prototype.
9702 * passes.c (finish_optimization_passes): Dump branch prediction or
9703 profiling heuristics to the .profile tree dump.
9704 (init_optimization_passes): Unqueue pass_branch_prob.
9706 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9708 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9710 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9711 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9713 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9715 * function.h (frame_offset_overflow): Declare.
9716 * function.c (frame_offset_overflow): New function.
9717 (assign_stack_local_1): Call it to detect that the offset overflows.
9718 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9720 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9722 * config/sh/sh.c: Include alloc-pool.h.
9723 (label_ref_list_pool): New alloc pool.
9724 (label_ref_list_t): New type for lists of labels.
9725 (struct pool_node): Make wend a label_ref_list_t.
9726 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9728 (dump_table): Likewise.
9729 (sh_reorg): Set up the alloc pool before using add_constant and
9730 dump_table, and destroy it when finishing.
9732 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9734 * config/mips/mips.c: Remove redundant comment.
9736 2006-03-10 Jason Merrill <jason@redhat.com>
9739 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9740 the target was declared 'register'.
9742 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9744 * genpreds.c (write_insn_constraint_len): Change definition of
9745 insn_constraint_len to return size_t to match the declaration.
9747 2006-03-10 DJ Delorie <dj@redhat.com>
9749 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9751 (m32c_expand_insv): Fix test for an AND mask.
9753 2006-03-10 Richard Guenther <rguenther@suse.de>
9756 * builtins.c (get_pointer_alignment): Handle component
9757 references for field alignment.
9759 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9761 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9762 when building with libgloss.
9763 (sh*elf): Implement --without-fp option.
9764 (sh64-superh-linux*): Don't multilib.
9766 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9768 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9770 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9772 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9773 Set it when one of the replacement functions returned true.
9774 Return TODO_cleanup_cfg if cfgchanged is true.
9775 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9777 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9779 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9780 instead of gen_lowpart.
9782 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9784 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9786 (mips_output_order_conditional_branch): Declare.
9787 * config/mips/mips.h (MIPS_BRANCH): New macro.
9788 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9789 for the comparison. Use gen_condjump.
9790 (mips_output_conditional_branch): Rework interface to take the
9791 asm templates for a direct branch and the inverse of a direct branch.
9792 (mips_output_order_conditional_branch): New function.
9793 (mips_builtin_branch_and_move): New function.
9794 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9795 branch condition. Use gen_single_cc as the condition for
9796 __builtin_mips_upper_* or __builtin_mips_lower_*.
9797 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9798 Use VOIDmode for the branch condition.
9799 * config/mips/predicates.md (order_operator): New predicate.
9800 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9801 (branch_fp): Rename to...
9802 (*branch_fp): ...this. Remove mode from comparison operator.
9803 Use new mips_output_conditional_branch interface.
9804 (branch_fp_inverted): Rename to...
9805 (*branch_fp_inverted): ...this and update as for *branch_fp.
9806 (*branch_zero<mode>): Rename to...
9807 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9808 Use mips_output_order_conditional_branch. Only accept ordered
9810 (*branch_zero<mode>_inverted): Rename to...
9811 (*branch_order<mode>_inverted): ...this and update as for
9812 *branch_order<mode>.
9813 (*branch_equality<mode>): Accept zero as the second operand to
9814 the equality operator. Use the new mips_output_conditional_branch
9816 (*branch_equality<mode>_inverted): Likewise.
9817 (condjump): New expander.
9818 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9820 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9821 (bc1any2t, bc1any2f): Likewise.
9822 (single_cc): New expander.
9823 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9825 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9827 * doc/md.texi: Update documentation of MIPS constraints.
9828 * config/mips/constraints.md: New file.
9829 * config/mips/mips.md: Include it.
9830 * config/mips/mips.c (mips_char_to_class): Delete.
9831 (override_options): Don't initialize mips_char_to_class.
9832 * config/mips/mips.h (mips_char_to_class): Delete.
9833 (REG_CLASS_FROM_LETTER): Delete.
9834 (CONST_OK_FOR_LETTER_P): Delete.
9835 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9836 (EXTRA_CONSTRAINT_Y): Delete.
9837 (EXTRA_CONSTRAINT_STR): Delete.
9838 (CONSTRAINT_LEN): Delete.
9839 (EXTRA_MEMORY_CONSTRAINT): Delete.
9841 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9843 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9844 original fn's eh regions.
9846 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9848 * fold-const.c (build_range_check): Make sure to use a valid type to
9849 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9852 (range_predecessor): New static function.
9853 (range_successor): Likewise.
9854 (merge_ranges): Use them to compute predecessors and successors of
9857 2006-03-09 Roger Sayle <roger@eyesopen.com>
9860 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9861 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9863 2006-03-08 DJ Delorie <dj@redhat.com>
9865 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9866 (addpsi3): Expand to include memory operands. Remove
9867 reload-specific splits.
9868 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9869 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9870 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9871 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9872 (shift1_qi, shift1_hi, insv): New.
9873 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9874 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9875 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9877 * config/m32c/m32c-protos.h: Update as needed.
9878 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9879 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9880 Fail for unrecognized R* constraints.
9881 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9882 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9883 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9885 (m32c_init_libfuncs): New.
9886 (m32c_legitimate_address_p): Add debug wrapper.
9887 (m32c_rtx_costs): New.
9888 (m32c_address_cost): New.
9889 (conversions): Add 'B' prefix.
9890 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9891 operands, or word regnames for QI operands. 'B' prints bit
9893 (m32c_expand_setmemhi): New.
9894 (m32c_expand_movmemhi): New.
9895 (m32c_expand_movstr): New.
9896 (m32c_expand_cmpstr): New.
9897 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9898 (m32c_expand_neg_mulpsi3): Handle non-ints.
9899 (m32c_cmp_flg_0): New.
9900 (m32c_expand_movcc): New.
9901 (m32c_expand_insv): New.
9902 (m32c_scc_pattern): New.
9903 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9904 a0/a1 out of SIregs.
9905 (STORE_FLAG_VALUE): New.
9906 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9909 * config/m32c/mov.md: Make constraints more liberal.
9910 (zero_extendqihi2): Optimize r0/r1 case.
9911 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9912 * config/m32c/predicates.md (m32c_any_operand): New.
9913 (m32c_nonimmediate_operand): New.
9914 (m32c_hl_operand): New.
9915 (m32c_r3_operand): New.
9918 (memsym_operand): New.
9919 (memimmed_operand): New.
9920 (a_qi_operand): New.
9921 (m32c_eqne_operator): New.
9922 (m32c_1bit8_operand): New.
9923 (m32c_1bit16_operand): New.
9924 (m32c_1mask8_operand): New.
9925 (m32c_1mask16_operand): New.
9926 * config/m32c/blkmov.md: New file.
9927 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9929 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9931 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9932 unsigned to fix signed/unsigned comparison issue in
9933 DWARF2_FRAME_REG_OUT.
9934 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9935 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9937 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9938 of ptr into the ENABLE_CHECKING section.
9940 2006-03-08 Jeff Law <law@redhat.com>
9942 * tree-vrp.c (infer_value_range): Only count pointer uses
9943 and dereferences if -fdelete-null-pointer-checks is enabled.
9945 * tree-vrp.c (find_assert_locations): Infer value ranges for
9946 single use pointers, but do not create ASSERT_EXPRs for them.
9947 When a non-null range is inferred for a pointer, backwards
9948 propagate that range to other equivalent pointers through the
9951 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9954 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9955 language hook targets.
9956 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9957 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9958 if language hook targets were missing.
9960 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9962 * tree-ssa-opfinalize.h: Removed.
9963 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9965 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9966 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9967 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9968 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9969 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9970 finalize_ssa_v_must_def_ops): New.
9972 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9974 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9977 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9979 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9981 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9982 addresses with offsets; reorganize.
9984 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9985 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9986 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9988 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9991 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9993 2006-03-08 Ben Elliston <bje@au.ibm.com>
9995 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9997 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10000 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10003 2006-03-07 Richard Guenther <rguenther@suse.de>
10005 PR tree-optimization/26587
10006 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10008 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10010 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10012 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10014 * hooks.c (hook_bool_mode_rtx_true): New function.
10015 * hooks.h (hook_bool_mode_rtx_true): Declare.
10016 * toplev.c (compile_file): Call output_shared_constant_pool.
10017 * varasm.c (shared_constant_pool): New variable.
10018 (assemble_start_function, assemble_end_function): Remove arguments
10019 from call to output_constant_pool.
10020 (create_constant_pool): New function, split out from...
10021 (init_varasm_status): ...here.
10022 (force_const_mem): Choose between the shared and per-function constant
10023 pools. Set current_function_uses_const_pool when reusing old entries
10024 as well as when creating new ones.
10025 (mark_constant): Ignore data argument.
10026 (mark_constants): Remove pool argument.
10027 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10028 to decide whether the function uses a constant pool.
10029 (output_constant_pool_contents): New function, split out from...
10030 (output_constant_pool): ...here.
10031 (output_shared_constant_pool): New function.
10032 (init_varasm_once): Initialize shared_constant_pool.
10033 * output.h (output_constant_pool): Delete.
10034 (output_shared_constant_pool): Declare.
10035 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10036 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10038 2006-03-06 Nick Clifton <nickc@redhat.com>
10040 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10041 flag_strength_reduce.
10043 2006-03-06 Ben Elliston <bje@au.ibm.com>
10045 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10046 x86_64-*-linux* configurations.
10048 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10049 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10051 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10053 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10055 * basic-block.h: Remove the extern for
10056 rediscover_loops_after_threading.
10058 * cfgloop.c (cancel_loop): Make it static.
10059 * cfgloop.h: Remove the prototype for cancel_loop.
10061 * flow.c (recompute_reg_usage): Make it static.
10062 * rtl.h: Remove the prototype for recompute_reg_usage.
10064 * function.c (use_return_register): Make it static.
10065 * function.h: Remove the prototype.
10067 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10069 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10071 * recog.h: Remove the prototype for
10072 validate_change_maybe_volatile.
10074 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10076 * rtlanal.c (replace_reg): Remove.
10077 * rtl.h: Remove the prototype for replace_reg.
10079 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10081 * regclass.c (reg_scan_update): Remove.
10082 (reg_scan_mark_refs): Remove the last argument.
10083 * rtl.h: Remove the prototype for reg_scan_update.
10085 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10087 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10088 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10089 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10090 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10091 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10092 loop-invariant.c, omp-low.c, opts.c, passes.c,
10093 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10094 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10095 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10096 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10097 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10098 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10100 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10102 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10103 * dwarf2out.h: Remove the prototype for
10104 dwarf2out_add_library_unit_info.
10106 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10108 * tree.c (add_var_to_bind_expr): Remove.
10109 * tree.h: Remove the prototype for add_var_to_bind_expr.
10111 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10113 * regclass.c (n_non_fixed_regs): Remove.
10114 (init_reg_sets_1, globalize_reg): Remove all uses of
10116 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10118 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10120 * rtlanal.c (insns_safe_to_move_p): Remove.
10121 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10123 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10125 * expmed.c (expand_mult_add): Remove.
10126 * expr.h: Remove the prototype for expand_mult_add.
10128 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10130 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10131 and REG_SAVED_VAL_EXP constants.
10132 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10133 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10134 Handle regs stored by value.
10135 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10136 (execute_cfa_program): Handle DW_CFA_val_offset,
10137 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10138 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10139 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10140 (uw_install_context_1): Handle target regs stored by value.
10142 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10144 * tree-sra.c (tree_sra): Return todoflags;
10145 (generate_one_element): Set TODO_update_smt_usage if needed.
10146 (pass_sra): Remove TODO_update_smt_usage.
10147 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10149 (tree_ssa_forward_propagate_single_use_vars): Return
10150 TODO_update_smt_usage if we need to update SMT usage.
10151 (pass_forwprop): Remove TODO_update_smt_usage.
10153 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10155 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10156 (correct_use_link): Remove reference to get_stmt_operands.
10157 (update_stmt_operands): Likewise.
10158 (get_modify_expr_operands): New function factored out of
10159 parse_ssa_operands and get_expr_operands.
10160 Try to create V_MUST_DEFs for LHS by default.
10161 (get_expr_operands) <case MODIFY_EXPR>: Call
10162 get_modify_expr_operands.
10163 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10164 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10165 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10166 get_modify_expr_operands.
10168 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10170 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10171 * tree-flow.h: Remove the prototype for
10172 referenced_var_lookup_if_exists.
10174 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10176 PR rtl-optimization/26345
10178 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10180 2006-03-03 Roger Sayle <roger@eyesopen.com>
10182 PR tree-optimization/26524
10183 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10184 fold_convert to create a constant of the appropriate type.
10186 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10188 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10189 SYMBOL_REF_IN_BLOCK_P.
10190 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10191 of SYMBOL_FLAG_IN_BLOCK.
10192 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10193 instead of SYMBOL_REF_IN_BLOCK_P.
10194 * explow.c (use_anchored_address): Likewise.
10195 * rtl.c (rtx_size): Likewise.
10196 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10197 instead of SYMBOL_FLAG_IN_BLOCK.
10198 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10199 SYMBOL_REF_IN_BLOCK_P.
10200 (assemble_variable): Likewise.
10201 (output_constant_def_contents): Likewise.
10202 (output_constant_pool): Likewise.
10203 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10204 instead of SYMBOL_FLAG_IN_BLOCK.
10205 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10206 SYMBOL_REF_IN_BLOCK_P.
10207 (SYMBOL_REF_BLOCK): Likewise.
10208 (SYMBOL_REF_OFFSET): Likewise.
10209 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10210 SYMBOL_REF_IN_BLOCK_P.
10211 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10212 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10213 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10214 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10216 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10218 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10220 2006-03-02 Roger Sayle <roger@eyesopen.com>
10222 * simplify-rtx.c (simplify_unary_operation): When simplifying
10223 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10224 that we perform the right shift in the appropriate mode, and
10225 then extend or truncate the result to requested mode.
10227 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10229 * gengtype.c (main): Handle double_int type.
10230 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10231 * double-int.c: New file.
10232 * double-int.h: New file.
10233 * system.h: Include doubleint.h.
10234 * Makefile.in (SYSTEM_H): Include double-int.h.
10235 (double-int.o): Add.
10237 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10240 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10243 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10245 * tree-vrp.c (remove_range_assertions): Do not update statements
10248 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10250 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10252 * gcse.c (rest_of_handle_gcse): Ditto.
10253 * except.c (gate_handle_eh): Ditto.
10254 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10255 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10257 2006-03-02 Eric Christopher <echristo@apple.com>
10259 * config/i386/i386.c (machopic_output_stub): Add indirection to
10262 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10266 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10268 Sun Niagara specific optimizations.
10269 * config.gcc: Recognize niagara as target.
10270 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10271 (TARGET_CPU_niagara): Define.
10272 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10273 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10274 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10275 (ASM_CPU_SPEC): Likewise.
10276 (PROCESSOR_NIAGARA): New enum entry.
10277 (REGISTER_MOVE_COST): Handle Niagara.
10278 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10279 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10280 (sparc_override_options): Recognize "niagara", set appropriate
10281 default MASK_* values for it, and align functions to 32-bytes
10282 by default just like ULTRASPARC/ULTRASPARC3.
10283 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10284 (sparc64_initialize_trampoline): Likewise.
10285 (sparc_use_sched_lookahead): Use zero for niagara.
10286 (sparc_issue_rate): Use one for niagara.
10287 * config/sparc/niagara.md: New file.
10288 * config/sparc/sparc.md: Include it.
10289 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10290 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10291 when default cpu is niagara.
10292 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10293 (ASM_CPU_SPEC): Likewise.
10294 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10295 when default cpu is niagara.
10296 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10297 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10298 just like v9/ultrasparc/ultrasparc3.
10299 * doc/invoke.texi: Add documentation for "niagara" and improve
10300 existing documentation for ultrasparc variants.
10302 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10304 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10306 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10308 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10309 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10310 and say that only one is needed.
10311 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10312 * target.h (have_switchable_bss_sections): New hook.
10313 * explow.c (use_anchored_address): Check that the symbol is in a block.
10314 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10315 (bss_noswitch_section): New variables.
10316 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10317 (get_noswitch_section): New function.
10318 (get_block_for_section): Allow SECT to be null.
10319 (unlikely_text_section_p): Use SECTION_STYLE.
10320 (bss_initializer_p): New function.
10321 (get_variable_section): Move earlier in file. Take a new argument,
10322 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10323 Return one of the new *_sections in such cases.
10324 (get_block_for_decl): New function, extracting some logic from
10325 use_blocks_for_decl_p.
10326 (change_symbol_section): Remove in favor of...
10327 (change_symbol_block): ...this new function.
10328 (use_blocks_for_decl_p): Remove checks now performed by
10329 get_block_for_decl.
10330 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10331 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10332 (emit_local, emit_bss, emit_common): ...these new functions.
10333 Return true if the alignment was honored.
10334 (emit_tls_common): New function.
10335 (asm_emit_uninitialised): Delete.
10336 (assemble_variable_noswitch): New function, split out from...
10337 (assemble_variable): ...here. Don't make decisions about common
10338 variables here. Globalize all public decls that go into non-common
10339 sections. Check whether SYMBOL_REF_BLOCK is null.
10340 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10341 (output_constant_pool): Likewise.
10342 (init_varasm_once): Initialize the new section variables.
10343 (have_global_bss_p): New function.
10344 (categorize_decl_for_section): Use bss_initializer_p.
10345 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10346 (place_block_symbol): Assert that the symbol must be in a block.
10347 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10348 (TARGET_INITIALIZER): Include it.
10349 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10350 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10351 (SECTION_MACH_DEP): Bump by two.
10352 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10353 (unnamed_section): Mention SECTION_UNNAMED in comment.
10354 (named_section): Likewise SECTION_NAMED.
10355 (noswitch_section_callback): New type.
10356 (noswitch_section): New structure.
10357 (section): Add a noswitch_section alternative.
10358 (SECTION_STYLE): New macro.
10359 (tls_comm_section, comm_section, lcomm_section): Declare.
10360 (bss_noswitch_section, have_global_bss_p): Declare.
10361 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10362 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10364 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10365 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10368 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10370 * tree-vrp.c (execute_vrp): Return value.
10371 * regrename.c (rest_of_handle_regrename): Ditto.
10372 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10373 * tree-complex.c (tree_lower_complex): Ditto.
10374 (tree_lower_complex_O0): Ditto.
10375 * tracer.c (rest_of_handle_tracer): Ditto.
10376 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10377 * postreload.c (rest_of_handle_postreload): Ditto.
10378 * tree-tailcall.c (execute_tail_recursion): Ditto.
10379 (execute_tail_calls): Ditto.
10380 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10381 * tree.h (init_function_for_compilation): Ditto.
10382 * ipa-cp.c (ipcp_driver): Ditto.
10383 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10384 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10385 * final.c (compute_alignments): Ditto.
10386 (rest_of_handle_final): Ditto.
10387 (rest_of_handle_shorten_branches): Ditto.
10388 (rest_of_clean_state): Ditto.
10389 * omp-low.c (execute_expand_omp): Ditto.
10390 (execute_lower_omp): Ditto.
10391 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10392 * ipa-reference.c (static_execute): Ditto.
10393 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10394 * reorg.c (rest_of_handle_delay_slots): Ditto.
10395 (rest_of_handle_machine_reorg): Ditto.
10396 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10397 * flow.c (recompute_reg_usage): Ditto.
10398 (rest_of_handle_remove_death_notes): Ditto.
10399 (rest_of_handle_life): Ditto.
10400 (rest_of_handle_flow2): Ditto.
10401 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10402 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10403 (do_ssa_store_ccp): Ditto.
10404 (execute_fold_all_builtins): Ditto.
10405 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10406 * modulo-sched.c (rest_of_handle_sms): Ditto.
10407 * ipa-pure-const.c (static_execute): Ditto.
10408 * cse.c (rest_of_handle_cse): Ditto.
10409 (rest_of_handle_cse2): Ditto.
10410 * web.c (rest_of_handle_web): Ditto.
10411 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10412 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10413 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10414 * tree-nrv.c (tree_nrv): Ditto.
10415 (execute_return_slot_opt): Ditto.
10416 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10417 (create_structure_vars): Ditto.
10418 * loop-init.c (rtl_loop_init): Ditto.
10419 (rtl_loop_done): Ditto.
10420 (rtl_move_loop_invariants): Ditto.
10421 (rtl_unswitch): Ditto.
10422 (rtl_unroll_and_peel_loops): Ditto.
10423 (rtl_doloop): Ditto.
10424 * gimple-low.c (lower_function_body): Ditto.
10425 (mark_used_blocks): Ditto.
10426 * tree-ssa-sink.c (execute_sink_code): Ditto.
10427 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10428 (cgraph_early_inlining): Ditto.
10429 * global.c (rest_of_handle_global_alloc): Ditto.
10430 * jump.c (cleanup_barriers): Ditto.
10431 (purge_line_number_notes): Ditto.
10432 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10433 (rest_of_handle_if_after_reload): Ditto.
10434 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10435 (tree_ssa_loop_im): Ditto.
10436 (tree_ssa_loop_unswitch): Ditto.
10437 (tree_vectorize): Ditto.
10438 (tree_linear_transform): Ditto.
10439 (tree_ssa_loop_ivcanon): Ditto.
10440 (tree_ssa_empty_loop): Ditto.
10441 (tree_ssa_loop_bounds): Ditto.
10442 (tree_complete_unroll): Ditto.
10443 (tree_ssa_loop_prefetch): Ditto.
10444 (tree_ssa_loop_ivopts): Ditto.
10445 (tree_ssa_loop_done): Ditto.
10446 * predict.c (tree_estimate_probability): Ditto.
10447 * recog.c (split_all_insns_noflow): Ditto.
10448 (rest_of_handle_peephole2): Ditto.
10449 (rest_of_handle_split_all_insns): Ditto.
10450 * tree-eh.c (lower_eh_constructs): Ditto.
10451 * regmove.c (rest_of_handle_regmove): Ditto.
10452 (rest_of_handle_stack_adjustments): Ditto.
10453 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10454 * function.c (instantiate_virtual_regs): Ditto.
10455 (init_function_for_compilation): Ditto.
10456 (rest_of_handle_check_leaf_regs): Ditto.
10457 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10458 (rest_of_handle_gcse): Ditto.
10459 * ipa-type-escape.c (type_escape_execute): Ditto.
10460 * alias.c (rest_of_handle_cfg): Ditto.
10461 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10462 * profile.c (rest_of_handle_branch_prob): Ditto.
10463 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10464 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10465 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10466 * tree-dfa.c (find_referenced_vars): Ditto.
10467 * except.c (set_nothrow_function_flags): Ditto.
10468 (convert_to_eh_region_ranges): Ditto.
10469 (rest_of_handle_eh): Ditto.
10470 * emit-rtl.c (unshare_all_rtl): Ditto.
10471 (remove_unnecessary_notes): Ditto.
10472 * except.h (set_nothrow_function_flags): Ditto.
10473 (convert_to_eh_region_ranges): Ditto.
10474 * cfgexpand.c (tree_expand_cfg): Ditto.
10475 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10476 * tree-ssa-pre.c (do_pre): Ditto.
10477 (execute_fre): Ditto.
10478 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10479 (rest_of_handle_jump2): Ditto.
10480 * tree-sra.c (tree_sra): Ditto.
10481 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10482 (execute_mudflap_function_decls): Ditto.
10483 * tree-ssa-copy.c (do_copy_prop): Ditto.
10484 (do_store_copy_prop): Ditto.
10485 * ipa-prop.h (ipcp_driver): Ditto.
10486 * cfglayout.c (insn_locators_initialize): Ditto.
10487 * tree-ssa-forwprop.c
10488 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10489 * cfglayout.h (insn_locators_initialize): Ditto.
10490 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10491 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10492 (execute_late_warn_uninitialized): Ditto.
10493 * rtl.h (cleanup_barriers): Ditto.
10494 (split_all_insns_noflow): Ditto.
10495 (purge_line_number_notes): Ditto.
10496 (unshare_all_rtl): Ditto.
10497 (remove_unnecessary_notes): Ditto.
10498 (recompute_reg_usage): Ditto.
10499 (variable_tracking_main): Ditto.
10500 * integrate.c (emit_initial_value_sets): Ditto.
10501 * integrate.h (emit_initial_value_sets): Ditto.
10502 * tree-optimize.c (execute_free_datastructures): Ditto
10503 (execute_free_cfg_annotations): Ditto.
10504 (execute_fixup_cfg): Ditto.
10505 (execute_cleanup_cfg_pre_ipa): Ditto.
10506 (execute_cleanup_cfg_post_optimizing): Ditto.
10507 (execute_init_datastructures): Ditto.
10508 * tree-object-size.c (compute_object_sizes): Ditto.
10509 * combine.c (rest_of_handle_combine): Ditto.
10510 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10511 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10512 (rest_of_handle_reorder_blocks): Ditto.
10513 (rest_of_handle_partition_blocks): Ditto.
10514 * var-tracking.c (variable_tracking_main): Ditto.
10515 * tree-profile.c (tree_profiling): Ditto.
10516 * tree-vect-generic.c (expand_vector_operations): Ditto.
10517 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10518 * sched-rgn.c (rest_of_handle_sched): Ditto.
10519 (rest_of_handle_sched2): Ditto.
10520 * basic-block.h (free_bb_insn): Ditto.
10521 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10522 * tree-cfg.c (execute_build_cfg): Ditto.
10523 (remove_useless_stmts): Ditto.
10524 (split_critical_edges): Ditto.
10525 (execute_warn_function_return): Ditto.
10526 (execute_warn_function_noreturn): Ditto.
10527 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10528 * cfgrtl.c (free_bb_for_insn): Ditto.
10529 * passes.c (execute_one_pass): Run additional
10530 todos returned by execute function.
10531 * tree-pass.h (struct tree_opt_pass): Make execute
10534 2006-03-02 Richard Guenther <rguenther@suse.de>
10536 * tree-ssa-alias.c (find_used_portions): Consider taking
10537 the address as making the variable not write-only.
10539 2006-03-02 Nick Clifton <nickc@redhat.com>
10541 * config.gcc (default_use_cxa_atexit): Extend the description of
10542 this configure variable. Set its default value to "yes" for
10543 Linux, NetBSD and ELF targets on the assumption that they will
10544 use C libraries with the __cxa_atexit function.
10546 2006-03-02 Ben Elliston <bje@au.ibm.com>
10548 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10549 parameter as unused to suppress a build warning.
10551 2006-03-02 Ben Elliston <bje@au.ibm.com>
10553 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10556 2006-03-01 Roger Sayle <roger@eyesopen.com>
10559 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10560 declared name, the weak reference name, and the typeof name.
10561 (__gthrw): Avoid expanding the declared name suffix.
10562 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10564 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10566 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10568 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10569 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10570 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10571 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10572 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10573 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10574 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10575 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10576 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10577 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10578 (DW_END_default, DW_END_big, DW_END_little): New.
10579 (DW_END_lo_user, DW_END_hi_user): Define.
10580 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10581 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10582 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10585 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10587 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10589 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10591 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10593 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10595 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10596 to 'symbol_mem_tag'.
10598 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10601 2006-03-01 Roger Sayle <roger@eyesopen.com>
10603 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10605 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10608 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10609 MACHO_DYNAMIC_NO_PIC_P.
10610 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10612 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10615 * config/darwin-protos.h (darwin_asm_output_anchor):
10617 * config/darwin-sections.def (cstring_section):
10618 Add SECTION_MERGE to the flags.
10619 (literal4_section): Likewise.
10620 (literal8_section): Likewise.
10621 (objc_selector_refs_section): Likewise.
10622 (objc_cls_refs_section): Likewise.
10623 * config/darwin.c (darwin_asm_output_anchor): New
10625 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10627 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10629 Fix PR tree-optimization/26443
10630 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10631 to todo and PROP_tmt_usage to properties_destroyed.
10632 * tree-ssa-ccp.c (pass_ccp): Ditto.
10633 (pass_store_ccp): Ditto.
10634 * tree-ssa-dom.c (pass_dominator): Ditto.
10636 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10638 * tree-ssa-operands.c: Cleanup whitespace.
10639 (get_asm_expr_operands): Move before first invocation.
10640 (get_indirect_ref_operands): Likewise.
10641 (get_tmr_operands): Likewise.
10642 (get_call_expr_operands): Likewise.
10643 (append_def): Likewise.
10644 (append_use): Likewise.
10645 (append_v_may_def): Likewise.
10646 (append_v_must_def): Likewise.
10647 (add_call_clobber_ops): Likewise.
10648 (add_call_read_ops): Likewise.
10649 (add_stmt_operand): Likewise.
10650 (add_virtual_operand): Likewise.
10651 (build_ssa_operands): Likewise.
10653 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10655 PR middle-end/26022
10657 PR middle-end/24437
10658 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10659 with a call expr to ...
10660 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10662 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10664 * tree-vrp.c (extract_range_from_assert): Remove special
10665 handling for types with super-types.
10667 2006-03-01 Ben Elliston <bje@au.ibm.com>
10669 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10670 and powerpc64-*-linux* configurations.
10671 * config/t-dfprules: New file.
10673 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10674 Compile dfp-bit.c from the source directory using -DWIDTH and
10675 $DFP_CFLAGS to control the compilation of that file, rather than
10676 generating width-specific versions in the build directory.
10677 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10678 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10680 2006-02-28 Zack Weinberg <zackw@panix.com>
10682 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10685 2006-02-28 Eric Christopher <echristo@apple.com>
10687 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10688 Set up IN_LIBGCC definition of TARGET_64BIT.
10689 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10691 2006-02-28 Roger Sayle <roger@eyesopen.com>
10693 PR middle-end/14752
10694 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10695 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10696 cases via the construction of "expr != 0".
10698 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10700 * alias.c (alias_invariant, alias_invariant_size): Remove.
10701 (record_base_value): Remove.
10702 (memrefs_conflict_p): Don't look at alias_invariant.
10703 (end_alias_analysis): Don't free it.
10704 * alias.h (record_base_value): Remove prototype.
10706 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10707 Adam Nemet <anemet@caviumnetworks.com>
10709 * rtl.h (truncated_to_mode): Declare it.
10710 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10711 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10712 (RTL_HOOKS_INITIALIZER): Include it.
10713 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10714 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10715 reg_truncated_to_mode.
10716 * rtlanal.c (truncated_to_mode): Define it.
10717 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10719 2006-02-28 Jeff Law <law@redhat.com>
10721 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10722 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10723 the range allowed by TYPE_PRECISION.
10725 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10727 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10729 PR tree-optimization/26419
10730 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10733 2006-02-27 Zack Weinberg <zackw@panix.com>
10735 * doc/md.texi: Fix typo in previous change.
10737 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10741 2006-02-27 Zack Weinberg <zackw@panix.com>
10743 * rtl.def (define_constraint, define_register_constraint)
10744 (define_memory_constraint, define_address_constraint): New MD forms.
10745 * gensupport.c (process_rtx): Put define_constraint etc on the
10747 * genpreds.c (process_define_predicate): Adjust comment. Validate
10748 the name, and call validate_exp to validate the expression.
10749 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10750 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10751 all callers changed.
10752 (validate_exp, needs_variable, struct constraint_data)
10753 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10754 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10755 (const_dbl_constraints, constraint_max_namelen)
10756 (have_register_constraints, have_memory_constraints)
10757 (have_address_constraints, have_address_constraints)
10758 (have_extra_constraints, have_const_int_constraints)
10759 (have_const_dbl_constraints, mangle, add_constraint)
10760 (process_define_constraint, process_define_register_constraint)
10761 (write_enum_constraint_num, write_lookup_constraint)
10762 (write_insn_constraint_len, write_regclass_for_constraint)
10763 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10764 (write_insn_extra_memory_constraint)
10765 (write_insn_extra_address_constraint)
10766 (write_satisfies_constraint_fns): New.
10767 (write_tm_preds_h): If we have new-style constraint definitions,
10768 prototype the functions generated from them, and define the
10769 old constraint interface (still used by generic code) in terms of
10771 (write_insn_preds_c): If we have new-style constraint definitions,
10772 generate all relevant functions from those definitions.
10773 (main): Handle define_constraint etc.
10774 * genoutput.c (struct constraint_data, indep_constraints)
10775 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10776 (mdep_constraint_len): New data structures and functions, defined
10777 #ifdef USE_MD_CONSTRAINTS.
10778 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10779 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10780 use new logic to validate operand constraints against constraint
10782 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10784 * defaults.h: If none of the old-style constraint macros are
10785 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10786 old-style macros; and poison REG_CLASS_FROM_LETTER,
10787 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10789 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10790 * doc/md.texi: Document new constraint-definition mechanism and the
10791 C interface it provides. Remove references to old mechanism
10792 elsewhere in the document.
10793 (Machine Constraints): Use pathnames relative to gcc directory,
10794 i.e. config/ARCH/FILE. Change i386 section to refer to
10795 config/i386/predicates.md; update that section to match docstrings.
10796 * doc/tm.texi: Move all documentation of the old constraint-
10797 definition macros to their own section, clearly mark as obsolete.
10799 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10800 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10802 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10803 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10804 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10805 constraint strings.
10806 (splits and peepholes): Use satisfies_constraint_*.
10807 * config/i386/i386.c (memory_address_length)
10808 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10810 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10812 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10813 scalar operation to be put back into the loop.
10815 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10818 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10819 (extract_cie_info): Handle S flag in augmentation string.
10820 (execute_cfa_program): If context->signal_frame, execute also
10821 fs->pc == context->ra instructions.
10822 (uw_frame_state_for): If context->signal_frame, don't subtract one
10823 from context->ra to find FDE.
10824 (uw_update_context_1): Set context->signal_frame to
10826 (_Unwind_GetIPInfo): New function.
10827 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10828 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10830 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10831 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10832 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10833 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10834 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10835 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10836 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10837 x86_64_fallback_frame_state): Set fs->signal_frame.
10838 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10839 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10840 (frob_update_context): Likewise. Workaround missing S flag in
10841 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10842 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10843 Remove the psw_addr + 1 hack.
10845 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10847 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10848 with aggregates here.
10849 (find_func_aliases): Remove code for &<aggregate> from here.
10851 2006-02-26 Roger Sayle <roger@eyesopen.com>
10853 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10854 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10855 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10856 as (X & C) ne/eq 0.
10858 2006-02-26 Roger Sayle <roger@eyesopen.com>
10860 PR middle-end/19983
10861 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10863 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10865 * opts.c (decode_options): Do not handle flag_strength_reduce.
10866 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10867 and OPT_fstrength_reduce.
10868 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10869 flag_prefetch_loop_arrays for being nonzero.
10870 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10872 (fprefetch-loop-arrays-rtl): Removed.
10873 (flag_prefetch_loop_arrays): Do not specify the value.
10875 * doc/passes.texi: Update documentation of loop optimizer
10877 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10878 -frerun-loop-opt): Remove.
10880 2006-02-26 Richard Guenther <rguenther@suse.de>
10882 PR tree-optimization/26421
10883 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10884 in function calls that are ADDR_EXPRs as using the whole structure.
10886 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10888 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10889 * tree-pass.h (pass_loop_optimize): Remove.
10890 * passes.c (pass_loop_optimize): Never run it.
10891 * toplev.c (backend_init): Don't call init_loop.
10892 * opts.c (flag_loop_optimize_set): Remove.
10893 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10894 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10895 the old RTL loop optimizer when profiling enabled.
10896 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10897 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10898 pre-headers for the sake of the old RTL loop optimizer.
10899 * Makefile.in: Remove all references to loop.o.
10901 * doc/invoke.texi: Remove all references to -floop-optimize
10902 and -frerun-loop-opt.
10904 2006-02-26 Zack Weinberg <zackw@panix.com>
10906 * doc/md.texi (Machine Constraints): Refer to all files with paths
10907 relative to gcc directory (i.e. config/CPU/file). Add missing
10908 @table @code ... @end table to M32C subsection.
10910 2006-02-26 Roger Sayle <roger@eyesopen.com>
10912 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10914 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10916 2006-02-26 Roger Sayle <roger@eyesopen.com>
10917 James A. Morrison <phython@gcc.gnu.org>
10919 PR middle-end/21137
10920 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10921 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10922 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10923 signedness of the shift operation.
10925 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10927 PR tree-optimization/26359
10928 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10930 2006-02-25 Roger Sayle <roger@eyesopen.com>
10932 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10933 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10934 as X == 0, and some symmetry related transformations.
10935 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10937 2006-02-25 Roger Sayle <roger@eyesopen.com>
10939 PR middle-end/23673
10940 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10941 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10942 symmetry related transformations. Fold (X^C1) == C2 as
10945 2006-02-25 Juergen Weigert <jw@suse.de>
10946 Richard Guenther <rguenther@suse.de>
10948 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10950 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10952 * combine.c (gen_lowpart_or_truncate): Call
10953 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10955 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10957 * doc/invoke.texi: Move -fopenmp description to "Options for
10959 Remove reference to -lgomp.
10961 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10963 * doc/install.texi: Require GNU tar version 1.14.
10965 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10967 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10968 * doc/invoke.texi (C++ Dialect Options): Document
10969 -fno-use-cxa-get-exception-ptr.
10970 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10971 * configure: Regenerate.
10972 * c.opt (fuse-cxa-get-exception-ptr): New.
10973 * c-opts.c (c_common_handle_option): Handle
10974 OPT_fuse_cxa_get_exception_ptr.
10975 * c-common.c (flag_use_cxa_atexit): Update documentation.
10976 (flag_use_cxa_get_exception_ptr): New.
10977 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10978 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10980 (C_COMMON_OVERRIDE_OPTIONS): New.
10982 2006-02-24 Roger Sayle <roger@eyesopen.com>
10984 PR middle-end/24952
10985 * combine.c (try_combine): Explicitly check whether GET_CODE is
10986 a SET or a CLOBBER, instead on checking that it isn't a USE.
10988 2006-02-24 Roger Sayle <roger@eyesopen.com>
10990 * fold-const.c (fold_comparison): New subroutine of fold_binary
10991 containing transformations common to both the equality and
10992 ordering relational operators, factored out of fold_binary.
10993 (fold_binary): Separate out the equality operators (EQ_EXPR
10994 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10995 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10996 transformations common to both.
10997 (fold_div_compare): Fix latent bugs in the previously unreachable
10998 LT_EXPR and GE_EXPR cases.
11000 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11002 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11003 decl libname for clog to __clog on AIX.
11005 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11007 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11010 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11011 output traceback table for thunks. Localise rs6000_stack_info call.
11013 2006-02-23 Roger Sayle <roger@eyesopen.com>
11014 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11016 * gthr-posix.h (__gthrw): Fix typo in comment.
11018 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11020 * doc/cpp.texi (Character sets): Document that we do support
11021 input files to be in any character set.
11023 2006-02-23 Jeff Law <law@redhat.com>
11025 * tree.h (PHI_ARG_NONZERO): Remove.
11026 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11027 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11028 node to the new node.
11030 PR tree-optimization/26425
11031 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11032 min/max, then assume its varying.
11034 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11036 PR rtl-optimization/26316
11037 * rtlanal.c (enum may_trap_p_flags): New.
11038 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11039 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11040 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11041 (may_trap_after_code_motion_p): New function.
11042 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11043 (find_invariant_insn): Use may_trap_after_code_motion_p.
11044 * rtl.h (may_trap_after_code_motion_p): Declare.
11046 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11048 * emit-rtl.c (immed_double_const): Cleanup.
11050 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11052 Fix PR tree-optimization/26376
11053 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11056 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11058 PR middle-end/26412
11059 * gimplify.c (omp_add_variable): Guard variable size decl test with
11060 DECL_SIZE (decl) check.
11062 2006-02-23 Richard Guenther <rguenther@suse.de>
11064 PR middle-end/26439
11065 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11066 like aggregate types.
11068 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11070 * configure.ac: Add --with{,out}-long-double-128 configure option.
11071 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11072 * configure: Rebuilt.
11073 * config.in: Rebuilt.
11074 * doc/install.texi (Options specification): Document
11075 --with-long-double-128.
11077 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11078 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11079 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11080 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11082 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11084 * config/s390/s390.c (override_options): Handle
11085 TARGET_DEFAULT_LONG_DOUBLE_128.
11087 * config/alpha/alpha.c (override_options): Handle
11088 TARGET_DEFAULT_LONG_DOUBLE_128.
11090 * config/sparc/sparc.c (sparc_override_options): Handle
11091 TARGET_DEFAULT_LONG_DOUBLE_128.
11093 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11095 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11096 (real-install-headers-tar, real-install-headers-cpio)
11097 (real-install-headers-cp): New targets.
11099 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11101 * tree.h (variable_section): Delete.
11102 * varasm.c (variable_section): Delete.
11104 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11106 * install.texi: Add notes on install.texi2html.
11107 (Building in parallel): Do not use footnotes.
11109 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11112 * doc/install.texi (Configuration): Document --disable-libgomp.
11114 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11116 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11118 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11120 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11121 (vec_extractv2df_0_sse): New.
11123 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11125 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11126 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11127 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11128 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11129 to the result of the expression.
11130 (def_cfa_1): Adjust.
11131 (frame_pointer_cfa_offset): Rename to...
11132 (frame_pointer_fb_offset): ... this. Adjust all uses.
11133 (convert_cfa_to_loc_list): Rename to...
11134 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11135 Pass it on to build_cfa_loc.
11136 (compute_frame_pointer_to_cfa_displacement): Rename to...
11137 (compute_frame_pointer_to_fb_displacement): ... this. New
11138 offset parameter. Use it in computation.
11139 (gen_subprogram_die): Compute cfa_fb_offset with the new
11140 macro, and use it to compute the fb loc list and the
11143 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11145 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11146 replaced with register_operand.
11147 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11148 non-DREG is expensive.
11149 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11150 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11153 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11155 * doc/install.texi2html: Use set -e.
11157 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11159 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11160 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11161 * doc/invoke.texi (-fshared-data): Delete.
11162 * common.opt (fshared-data): Delete.
11163 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11164 (assemble_static_space): Remove #if 0 code.
11165 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11166 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11167 * config/cris/cris.h: Remove FIXME.
11169 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11171 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11174 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11176 PR middle-end/26379
11177 * combine.c (simplify_shift_const_1): Disable nested shifts
11178 optimization for vector shifts.
11180 2006-02-20 Roger Sayle <roger@eyesopen.com>
11182 PR tree-optimization/26361
11183 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11184 of unsigned integer types.
11186 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11188 * tree-chrec.c (eq_evolutions_p): New.
11189 * tree-chrec.h (eq_evolutions_p): Declared.
11190 * tree-data-ref.c: Fix formatting.
11191 (datadep_stats, dependence_stats): New.
11193 (print_direction_vector): New.
11194 (dump_data_dependence_relation): Use print_direction_vector.
11195 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11196 (compute_subscript_distance): Static.
11197 (initialize_data_dependence_relation): Static. Get the number
11198 of loops surrounding the references from the callers, and initialize
11199 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11200 base_object_differ_p analyzers.
11201 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11202 compute_overlap_steps_for_affine_1_2,
11203 analyze_subscript_affine_affine): Count the classified dependences.
11204 Print a message when a test failed.
11205 (can_use_analyze_subscript_affine_affine): New.
11206 (analyze_siv_subscript): Compute the data dependences on symbolic
11207 scevs that verify can_use_analyze_subscript_affine_affine.
11208 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11209 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11210 Handle symbolic scevs.
11211 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11213 (subscript_dependence_tester): Moved...
11214 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11215 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11216 DDR_SIZE_VECT instead of getting it in parameter.
11217 (subscript_dependence_tester): ... here. Take as a parameter
11218 loop_nest_depth. Call build_classic_dist_vector and
11219 build_classic_dir_vector.
11220 (compute_affine_dependence): Update subscript_dependence_tester
11221 parameters. Update datadep_stats counters. Call
11222 compute_subscript_distance.
11223 (compute_self_dependence): Save the dist and dir vectors. Call
11224 compute_subscript_distance.
11225 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11226 (compute_all_dependences): Reorder parameters as they were before
11227 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11228 compute_subscript_distance. Update the use of
11229 compute_affine_dependence and initialize_data_dependence_relation.
11230 (find_data_references_in_loop): Handle COMPONENT_REF.
11231 (compute_data_dependences_for_loop): Initialize dependence_stats.
11232 Don't call build_classic_dist_vector and build_classic_dir_vector.
11233 Update the parameters of initialize_data_dependence_relation and
11234 compute_all_dependences. Print the statistics from datadep_stats.
11235 (analyze_all_data_dependences): Static. Not used until the pass for
11236 checking the data dependences is contributed.
11237 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11238 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11239 (initialize_data_dependence_relation, compute_affine_dependence,
11240 analyze_all_data_dependences, compute_subscript_distance): Removed.
11241 (print_direction_vector): New.
11242 * lambda.h (gcd): ... here.
11243 (lambda_vector_gcd): Moved here from gcd_vector.
11244 * lambda-code.c (gcd, gcd_vector): Removed.
11245 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11246 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11248 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11250 * ipa-type-escape.c: Tidy some comments and white space.
11251 * tree-ssa-operands.c: Likewise.
11253 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11256 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11257 (dump_decl_name): Do not walk the decl tree chains.
11258 * tree-pass.h (TDF_CHAIN): Remove.
11260 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11262 * Makefile.in (C): Remove
11264 (.PHONY): Remove C and PROTO
11266 2006-02-20 Roger Sayle <roger@eyesopen.com>
11268 PR middle-end/26236
11269 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11270 deprecated CHAR_TYPE tree code.
11272 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11274 * configure.ac (target_list): Add install-info, dvi, html.
11275 * configure: Regenerate.
11277 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11278 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11279 treelang/Make-lang.in: Do not use double-colon rules.
11281 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11283 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11284 (TMT_USED_ALONE): New macro.
11285 * tree-pass.h (PROP_tmt_usage): New property.
11286 (TODO_update_tmt_usage): New todo.
11287 * tree-ssa-alias.c (updating_used_alone): New variable.
11288 (recalculate_used_alone): New function.
11289 (compute_may_aliases): Set updating_used_alone, call
11290 recalculate_used_alone.
11291 * tree-sra.c (pass_sra): Note that this pass destroys
11292 PROP_tmt_usage, and add TODO_update_tmt_usage.
11293 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11294 * tree-flow.h (updating_used_alone): Prototype.
11295 (recalculate_used_alone): Ditto.
11296 * passes.c (execute_todo): Add code to set updating_used_alone,
11297 and call recalculate.
11298 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11299 for clobber if used alone, and add assert to verify used_alone
11302 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11304 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11305 for non tls symbols added.
11306 (legitimize_address): Do nothing for PLUS expressions if one of the
11307 addends is a tls symbol reference.
11309 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11313 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11315 * Makefile.in (BOOTSTRAPPING): New.
11316 (quickstrap): New definition if BOOTSTRAPPING=yes.
11318 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11319 * configure.ac: Substitute all_selected_languages with the languages
11320 that were configured. For all the other variables except
11321 lang_specs_files, include all the languages in the tree.
11322 * configure: Regenerate.
11324 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11325 if there is one. Run the commands to run fixincludes in the same
11328 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11329 * doc/install.texi: Document exact conventions for searching target tools.
11330 Document --with-build-time-tools. Document toplevel bootstrap. Document
11331 something more about building an Ada cross-compiler. Don't list GNU Make
11332 requirements which affect all platforms.
11334 2006-02-19 Roger Sayle <roger@eyesopen.com>
11336 PR middle-end/19543
11337 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11338 only equivalent if the have both the same mode and precision.
11340 2006-02-20 Ben Elliston <bje@au.ibm.com>
11342 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11344 2006-02-19 Roger Sayle <roger@eyesopen.com>
11345 Steven Bosscher <stevenb.gcc@gmail.com>
11347 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11348 constant pool references to identify stack mode constants.
11349 * rtlanal.c (constant_pool_constant_p): New predicate to check
11350 whether operand is a floating point constant in the pool.
11351 * rtl.h (constant_pool_constant_p): Prototype here.
11352 * loop.c (scan_loop): Avoid hoisting constants from the constant
11353 pool on STACK_REGS targets.
11354 (load_mems): Likewise.
11355 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11356 loads into x87 registers expensive in terms of register pressure.
11358 2006-02-19 Roger Sayle <roger@eyesopen.com>
11360 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11361 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11363 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11365 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11366 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11368 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11370 * doc/invoke.texi: Document -fipa-pta.
11371 * common.opt: Add ipa-pta option.
11372 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11373 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11374 (do_ds_constraint): Ditto.
11375 (get_constraint_for): Only add to referenced_vars if
11376 referenced_vars exists.
11377 (insert_into_field_list): Rewrite to do this unsorted.
11378 (insert_into_field_list_sorted): Rename old insert_into_field_list
11380 (create_function_info_for): Use insert_into_field_list_sorted.
11381 (create_variable_info_for): Rewrite so it uses unsorted version,
11382 since the field list is sorted.
11383 (intra_create_variable_infos): Only add to referenced_vars if
11384 referenced_vars exists.
11385 (ipa_pta_execute): Init heapvars, and delete when done.
11386 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11388 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11390 * doc/install.texi: Add missing `@samp'.
11392 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11394 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11397 2006-02-18 Mark Wielaard <mark@klomp.org>
11399 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11400 who added new 4.1 features, bug fixes and integration support.
11402 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11405 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11406 MEM for ABI_V4 pic.
11408 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11410 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11411 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11412 (copy_insn_1): Likewise. Don't copy each field individually.
11414 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11416 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11417 * rtl.c (rtx_size): Rename variable to...
11418 (rtx_code_size): ...this.
11419 (rtx_size): New function.
11420 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11421 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11423 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11424 * rtl.h (rtx_code_size): New variable.
11425 (rtx_size): Change from a variable to a function.
11426 (RTX_SIZE): Rename to...
11427 (RTX_CODE_SIZE): ...this.
11430 PR tree-optimization/17106
11431 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11432 (Anchored Addresses): New section.
11433 * doc/invoke.texi (-fsection-anchors): Document.
11434 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11435 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11436 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11437 * hooks.c (hook_bool_mode_rtx_false): New function.
11438 * hooks.h (hook_bool_mode_rtx_false): Declare.
11439 * gengtype.c (create_optional_field): New function.
11440 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11441 SYMBOL_REF_IN_BLOCK_P is true.
11442 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11443 (min_anchor_offset, max_anchor_offset): Likewise.
11444 (use_anchors_for_symbol_p): New hook.
11445 * toplev.c (compile_file): Call output_object_blocks.
11446 (target_supports_section_anchors_p): New function.
11447 (process_options): Check that -fsection-anchors is only used on
11448 targets that support it and when -funit-at-a-time is in effect.
11449 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11450 if the decl doesn't have one.
11451 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11452 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11453 of force_const_mem through use_anchored_address.
11454 (expand_expr_constant): New function.
11455 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11456 calling expand_expr for INDIRECT_REF.
11457 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11458 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11459 * expr.h (use_anchored_address): Declare.
11460 * loop-unroll.c: Don't declare rtx vectors here.
11461 * explow.c: Include output.h.
11462 (validize_mem): Call use_anchored_address.
11463 (use_anchored_address): New function.
11464 * common.opt (-fsection-anchors): New switch.
11465 * varasm.c (object_block_htab, anchor_labelno): New variables.
11466 (hash_section, object_block_entry_eq, object_block_entry_hash)
11467 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11468 (use_blocks_for_decl_p, change_symbol_section): New functions.
11469 (get_variable_section): New function, split out from assemble_variable.
11470 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11471 use_blocks_for_decl_p say so. Use change_symbol_section if the
11472 symbol has already been created.
11473 (assemble_variable_contents): New function, split out from...
11474 (assemble_variable): ...here. Don't output any code for
11475 block symbols; just pass them to place_block_symbol.
11476 Use get_variable_section and assemble_variable_contents.
11477 (get_constant_alignment, get_constant_section, get_constant_size): New
11478 functions, split from output_constant_def_contents.
11479 (build_constant_desc): Create a block symbol if use_object_blocks_p
11480 says so. Or into SYMBOL_REF_FLAGS.
11481 (assemble_constant_contents): New function, split from...
11482 (output_constant_def_contents): ...here. Don't output any code
11483 for block symbols; just pass them to place_section_symbol.
11484 Use get_constant_section and get_constant_alignment.
11485 (force_const_mem): Create a block symbol if use_object_blocks_p and
11486 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11487 (output_constant_pool_1): Add an explicit alignment argument.
11488 Don't switch sections here.
11489 (output_constant_pool): Adjust call to output_constant_pool_1.
11490 Switch sections here instead. Don't output anything for block symbols;
11491 just pass them to place_block_symbol.
11492 (init_varasm_once): Initialize object_block_htab.
11493 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11494 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11495 (place_block_symbol, get_section_anchor, output_object_block)
11496 (output_object_block_htab, output_object_blocks): New functions.
11497 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11498 (TARGET_ASM_OUT): Include it.
11499 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11500 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11501 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11502 (TARGET_INITIALIZER): Include them.
11503 * rtl.c (rtl_check_failed_block_symbol): New function.
11504 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11505 (block_symbol, object_block): New structures.
11506 (rtx_def): Add a block_symbol field to the union.
11507 (BLOCK_SYMBOL_CHECK): New macro.
11508 (rtl_check_failed_block_symbol): Declare.
11509 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11510 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11511 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11512 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11513 * output.h (output_section_symbols): Declare.
11514 (object_block): Name structure.
11515 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11516 (default_use_anchors_for_symbol_p): Declare.
11517 * Makefile.in (RTL_BASE_H): Add vec.h.
11518 (explow.o): Depend on output.h.
11519 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11520 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11521 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11522 (rs6000_use_blocks_for_constant_p): New function.
11524 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11526 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11528 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11531 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11534 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11536 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11540 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11542 PR middle-end/26334
11543 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11544 instead of DECL_REGISTER.
11546 2006-02-18 Olivier Hainque <hainque@adacore.com>
11549 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11551 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11554 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11555 * opth-gen.awk: Handle Var and InverseMask together.
11556 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11557 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11558 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11559 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11561 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11562 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11563 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11564 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11565 LINUX_DYNAMIC_LINKER): Define.
11566 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11567 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11569 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11570 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11571 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11572 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11573 (TARGET_C99_FUNCTIONS): Don't define.
11574 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11575 GLIBC_DYNAMIC_LINKER.
11576 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11577 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11578 GLIBC_DYNAMIC_LINKER64): Define.
11579 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11580 LINUX_DYNAMIC_LINKER64.
11581 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11583 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11584 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11585 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11587 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11588 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11589 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11591 and LINUX_DYNAMIC_LINKER32.
11592 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11593 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11594 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11595 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11596 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11598 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11599 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11600 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11601 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11602 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11603 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11604 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11605 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11606 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11607 LINUX_DYNAMIC_LINKER): Define.
11608 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11609 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11610 GLIBC_DYNAMIC_LINKER64): Define.
11611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11612 LINUX_DYNAMIC_LINKER64.
11613 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11614 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11615 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11616 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11617 LINUX_DYNAMIC_LINKER): Define.
11618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11619 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11620 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11621 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11622 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11623 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11624 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11625 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11626 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11627 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11629 * doc/invoke.texi (-muclibc): Remove caveat about supported
11632 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11634 * doc/cpp.texi (__TIMESTAMP__): Document.
11636 2006-02-17 Roger Sayle <roger@eyesopen.com>
11638 PR middle-end/25600
11639 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11640 C is one less than the width of X (and related transformations).
11641 * simplify-rtx.c (simplify_unary_operation_1): Transform
11642 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11643 depending on STORE_FLAG_VALUE, were C is one less then the
11646 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11648 Fix PR tree-optimization/26341
11649 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11650 about NAME_MEMORY_TAG's.
11652 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11655 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11656 with hardware float support, and software float support. Add fcpy
11657 alternative to hardware patterns. Add alternatives to copy between
11658 general and floating-point registers to the 32-bit pattern.
11659 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11660 secondary reload to load a QI or HI mode constant into a floating
11662 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11663 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11665 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11668 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11670 (load_macho_picbase_di): Likewise.
11672 2006-02-16 Jeff Law <law@redhat.com>
11674 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11675 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11676 (ssa_name_nonzero_p): Likewise.
11677 (get_value_range): Return NULL if VRP is not running.
11678 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11679 VRP routines do not discover a range.
11680 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11681 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11682 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11683 (tree_expr_nonnegative_p): Similarly.
11684 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11685 (restore_nonzero_vars_to_original_value): Remove.
11686 (unsafe_associative_fp_binop): Remove.
11687 (tree_ssa_dominator_optimize): Remove initialization and
11688 finalization of nonzero_vars and nonzero_vars_stack.
11689 (dom_opt_initialize_block): No longer push marker on
11690 nonzero_vars_stack.
11691 (dom_opt_finalize_block): No longer call
11692 restore_nonzero_vars_to_original_value.
11693 (record_equivalences_from_phis): No longer look for
11694 nonzero PHI arguments.
11695 (cprop_into_successor_phis): No longer propagate nonzero
11696 property into PHI arguments. Lose unused argument. Caller
11698 (record_equivalences_from_stmt): No longer record nonzero
11699 values for SSA_NAMEs.
11700 (lookup_avail_expr): No longer use nonzero_vars.
11702 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11703 for sizetype when sizetype is unsigned.
11705 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11707 PR rtl-optimization/25603
11708 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11709 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11710 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11711 with new meaning of SETS.
11713 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11718 * config/linux.opt: New file.
11719 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11720 LINUX_DYNAMIC_LINKER): Define.
11721 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11722 * config.gcc (*-*-linux*): Define extra_options.
11723 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11724 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11725 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11726 GLIBC_DYNAMIC_LINKER.
11727 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11728 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11729 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11730 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11731 * doc/invoke.texi (GNU/Linux Options): New section.
11733 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11735 * config/sparc/sparc.md (setjmp): Rewrite.
11736 (setjmp_32): Delete.
11737 (setjmp_64): Likewise.
11739 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11741 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11744 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11746 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11749 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11751 PR rtl-optimization/26296
11752 * Makefile.in (loop-invariant.c): Add except.h dependency.
11753 * loop-invariant.c: Include except.h.
11754 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11756 2005-02-16 Paul Brook <paul@codesourcery.com>
11758 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11761 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11763 PR rtl-optimization/25636
11764 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11765 when deciding whether an insn is an initializing insn.
11767 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11769 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11770 (tree_code_size): Ditto.
11771 * tree.h (struct tree_memory_tag): Remove parent_var.
11772 (struct tree_struct_field_tag): New.
11775 (union tree_node): Add sft member.
11776 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11778 (create_sft): Add size and offset argument, set SFT_OFFSET and
11780 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11781 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11782 * tree-flow-inline.h (get_subvar_at): Update for
11783 SFT_OFFSET/SFT_SIZE.
11784 (var_can_have_subvars): Ditto.
11785 (overlap_subvar): Ditto.
11786 * print-tree.c (print_node): Print out interesting things for
11788 * tree-flow.h (struct subvar): Remove offset and size members.
11789 * tree-ssa-operands.c (get_expr_operands): Update for
11790 get_indirect_ref_operands changes.
11791 (get_indirect_ref_operands): Call add_virtual_operand instead of
11792 add_stmt_operand. Only recurse on base var if requested.
11793 (access_can_touch_variable): New function.
11794 (add_stmt_operand): Split virtual operand handling into ...
11795 (add_virtual_operand): Here. Add offset, size, and for_clobber
11796 arguments. Prune alias sets.
11797 (add_call_clobber_ops): Call add_virtual_operand.
11799 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11801 PR middle-end/26300
11802 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11804 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11805 than TREE_CODE as index into omp_clause_num_ops array.
11807 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11809 PR rtl-optimization/26184
11810 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11812 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11813 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11814 must_precede, must_follow and tobe_scheduled.
11817 * opts.c (common_handle_option): Free new_option pointer.
11818 * df-core.c (df_analyze): Free postorder pointer.
11820 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11822 * Makefile.in: Fix the examples about the use of stamps
11824 2006-02-15 Michael Matz <matz@suse.de>
11826 PR middle-end/22275
11828 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11829 influenced by maximum_field_alignment or DECL_PACKED.
11830 (update_alignment_for_field): Ditto.
11831 (place_field): Ditto.
11832 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11835 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11837 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11838 (debug_flow_info): Pass it.
11839 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11840 * bb-reorder.c (reorder_basic_blocks): Likewise.
11841 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11842 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11843 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11844 * gcse.c (gcse_main, bypass_jumps): Likewise.
11845 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11846 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11847 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11848 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11849 * rtl.h (dump_flow_info): Adjust prototype.
11850 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11851 * var-tracking.c (variable_tracking_main): Likewise.
11852 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11853 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11856 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11858 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11861 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11863 PR tree-optimization/26209
11864 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11865 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11867 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11869 2006-02-14 Roger Sayle <roger@eyesopen.com>
11871 PR middle-end/23670
11872 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11873 (X,Y) and the corresponding symmetry related transformations.
11874 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11875 (X,Y) and its symmetry related transformations.
11877 2006-02-14 Roger Sayle <roger@eyesopen.com>
11879 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11882 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11884 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11886 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11889 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11890 support COMDAT group.
11891 * configure: Regenerate.
11893 2006-02-14 Roger Sayle <roger@eyesopen.com>
11895 PR middle-end/26279
11896 PR middle-end/26280
11897 PR middle-end/26283
11898 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11900 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11902 Fix PR tree-optimization/26260
11904 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11906 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11907 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11908 * tree-ssa-structalias.c (create_variable_info_for): Use
11909 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11911 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11913 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11915 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11916 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11917 of the ending condition.
11918 * tree-ssa-loop-manip.c: Include params.h.
11919 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11920 tree_unroll_loop): New functions.
11921 * tree-pass.h (pass_loop_prefetch): Declare.
11922 * loop.c (rest_of_handle_loop_optimize): Test for
11923 -fprefetch-loop-arrays-rtl.
11924 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11925 * timevar.def (TV_TREE_PREFETCH): New timevar.
11926 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11927 pass_loop_prefetch): New.
11928 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11929 (cleanup_tree_cfg_loop): Call scev_reset.
11930 * common.opt (fprefetch-loop-arrays-rtl): Add.
11931 * tree-ssa-loop-prefetch.c: New file.
11932 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11933 (new_temp_expr_table): Initialize expr_vars.
11934 (free_temp_expr_table): Cleanup expr_vars.
11935 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11936 expressions from being merged into one.
11937 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11938 (struct tree_niter_desc): Add control, bound and cmp fields.
11939 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11941 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11942 (tree-cfgcleanup.o): Add SCEV_H dependency.
11943 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11944 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11946 2006-02-14 Richard Guenther <rguenther@suse.de>
11948 PR tree-optimization/26258
11949 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11950 in PHI argument processing.
11952 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11954 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11955 new expression in the requested machine mode.
11957 2006-02-13 Roger Sayle <roger@eyesopen.com>
11959 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11960 directly, instead let do_compare_rtx_and_jump handle this for us.
11961 * expr.c (expand_expr_real_1): Likewise.
11962 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11963 before do_jump_by_parts_greater.
11964 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11965 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11967 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11969 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11971 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11973 PR rtl-optimization/26235
11974 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11975 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11978 2006-02-13 Jeff Law <law@redhat.com>
11980 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11983 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11985 PR middle-end/26092
11986 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11987 twice if decl is a builtin. When trying again, call get_callee_fndecl
11988 first to verify it is still a builtin.
11990 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11992 * dwarf2out.c (base_type_die): Don't add AT_name here.
11993 (subrange_type_die): Don't add AT_name here.
11994 (modified_type_die): Rearrange code flow. Do add AT_name here.
11996 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11998 PR rtl-optimization/26247
11999 PR rtl-optimization/26248
12000 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12002 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12004 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12005 * config/fixtfdi.c: Likewise.
12006 * config/fixunstfdi.c: Likewise.
12007 * config/floatditf.c: Likewise.
12009 2006-02-13 Roger Sayle <roger@eyesopen.com>
12011 PR middle-end/24427
12012 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12013 into (X,C2) if C1 is a subset of the bits of C2. Transform
12014 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12016 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12018 2006-02-13 Josh Conner <jconner@apple.com>
12021 * varasm.c (function_section): Check for section name before
12022 calling select_section on targets that define
12023 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12024 unlikely_text_section instead of hot_function_section if
12025 first_function_block_is_cold.
12027 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12029 PR middle-end/25335
12030 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12032 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12034 PR rtl-optimization/26222
12035 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12036 after tree->rtl expansion.
12037 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12038 before passing it to emit_move_insn.
12040 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12042 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12044 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12045 Clarify documentation.
12046 * c-common.h (warn_write_strings): Remove.
12047 * c-common.c (warn_write_strings): Likewise.
12048 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12051 2006-02-12 Roger Sayle <roger@eyesopen.com>
12053 PR middle-end/25724
12054 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12055 (do_jump_parts_zero_rtx): New function renamed from
12056 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12057 (do_jump_parts_equality_rtx): New function split out from
12058 do_jump_parts_equality. Old implementation renamed as above.
12059 Call do_jump_parts_zero_rtx if either operand is zero.
12060 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12061 do all of the heavy lifting.
12062 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12063 calling either do_jump_by_parts_greater_rtx or
12064 do_jump_by_parts_equality_rtx.
12065 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12066 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12067 moved to do_compare_rtx_and_jump, call it directly.
12068 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12069 mode argument. Call do_compare_rtx_and_jump.
12070 (emit_case_nodes): Update calls to do_jump_if_equal.
12072 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12074 PR rtl-optimization/26225
12075 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12077 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12079 PR rtl-optimization/26232
12080 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12082 2006-02-11 Jason Merrill <jason@redhat.com>
12085 * tree-inline.c (declare_return_variable): Just don't use the
12086 modify target if it's a gimple complex reg and the return slot
12089 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12091 * doc/contrib.texi: Update my entry.
12093 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12095 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12097 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12099 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12102 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12104 * doc/invoke.texi (-floop-optimize2): Removed.
12105 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12106 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12107 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12108 * common.opt (floop-optimize2): Removed.
12109 (fmove-loop-invariants): Enabled by default.
12111 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12113 * tree-if-conv.c (combine_blocks): Free the result of
12114 get_loop_exit_edges.
12116 2006-02-10 Jeff Law <law@redhat.com>
12118 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12120 PR tree-optimization/26213
12121 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12122 loop trying to follow SSA_NAME_VALUE chains.
12124 2006-02-10 Richard Guenther <rguenther@suse.de>
12126 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12127 deal with structures that end in implicitly variable sized arrays.
12129 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12131 PR rtl-optimization/24762
12132 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12135 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12137 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12138 (struct ivopts_data): Add regs_used field.
12139 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12140 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12141 instead of loop_data->regs_used;
12142 (free_loop_data): Do not free aux fields for loops.
12143 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12144 and tree_ssa_iv_optimize_finalize.
12146 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12148 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12150 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12153 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12154 computing the effective result type.
12156 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12158 PR inline-asm/16194
12159 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12160 (tree_overlaps_hard_reg_set): Declare.
12161 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12162 type and signature to match function type expected by walk_tree.
12163 (tree_overlaps_hard_reg_set): New function.
12164 (decl_conflicts_with_clobbers_p): Rename to:
12165 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12166 Use tree_overlaps_hard_reg_set. Changed caller.
12167 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12168 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12169 * cris.c (cris_md_asm_clobbers): Likewise.
12171 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12173 * reload1.c (emit_input_reload_insns): Delete code that tries to
12174 inherit using find_equiv_reg.
12176 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12178 * c-common.h (flag_const_strings): Don't declare.
12179 * c-common.c (flag_const_strings): Remove.
12180 * c.opt (fconst_strings): Remove.
12181 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12182 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12183 (c_common_init_options): Don't set flag_const_strings.
12184 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12186 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12188 * arm.md (tlobits_cbranch): New pattern.
12189 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12190 testing a single bit.
12192 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12195 * tree-ssa-pre.c (create_component_ref_by_pieces):
12196 Handle RETURN_DECL like VAR_DECL.
12198 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12200 PR middle-end/26134
12201 * fold-const.c (fold_indirect_ref_1): Fold
12202 "*(foo *)&complexfoo" to "__real__ complexfoo"
12203 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12205 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12207 * tree-flow-inline.h (var_can_have_subvars):
12208 Volatile variables should not have subvariables.
12210 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12213 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12214 multiplying unsigned values.
12217 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12219 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12221 2006-02-08 Jason Merrill <jason@redhat.com>
12224 * tree.def: Elaborate on difference from MODIFY_EXPR.
12225 * doc/c-tree.texi (INIT_EXPR): Likewise.
12226 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12227 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12228 (gimplify_target_expr): Likewise.
12229 (gimplify_cond_expr): Remove target handling.
12230 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12231 (gimplify_expr): Clobber it here.
12232 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12233 Do return slot optimization if we have an INIT_EXPR.
12236 * tree-inline.c (declare_return_variable): Also clear
12237 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12240 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12242 PR middle-end/22439
12243 * gimplify.c (gimplify_one_sizepos): Fix typo.
12245 2006-02-08 Jeff Law <law@redhat.com>
12247 PR tree-optimization/21417
12248 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12249 across a backedge if the control statement at the end of the
12250 block is data dependent on other statements in the same block.
12251 (record_temporary_equivalences_from_stmts): Remove over-conservative
12252 test for threading across backedges.
12254 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12255 control statement, handle all three special cases in the same
12256 manner as they all have the same desired solution. No longer
12257 special case edge flag updating when the post dominator is
12260 2006-02-08 Roger Sayle <roger@eyesopen.com>
12262 * tree.def (CHAR_TYPE): Remove.
12263 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12264 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12265 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12266 (gen_string_type_die): Delete unreachable function.
12268 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12269 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12270 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12271 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12272 * builtins.c (type_to_class): Likewise.
12273 * fold-const.c (fold_convert, build_range_check,
12274 merge_ranges): Likewise.
12275 * expr.c (count_type_elements): Likewise.
12276 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12277 * stor-layout.c (layout_type): Likewise.
12278 * ipa-type-escape.c (type_to_consider): Likewise.
12279 * gimplify.c (omp_firstprivatize_type_sizes,
12280 gimplify_type_sizes): Likewise.
12281 * explow.c (promote_mode): Likewise.
12282 * tree-sra.c (is_sra_scalar_type): Likewise.
12283 * varasm.c (output_constant): Likewise.
12284 * tree-inline.c (remap_type_1): Likewise.
12285 * convert.c (convert_to_pointer, convert_to_real,
12286 convert_to_integer, convert_to_complex): Likewise.
12288 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12290 * df-scan.c (df_def_record_1): A set destination may
12291 be a parallel regardless of mode.
12293 2006-02-08 Roger Sayle <roger@eyesopen.com>
12296 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12297 * config/mips/_tilib.c: Remove.
12298 * config/fixtfdi.c: New libgcc source file.
12299 * config/fixunstfdi.c: New source file.
12300 * config/floatditf.c: New source file.
12301 * config/floatunditf.c: New souce file.
12302 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12303 files above instead of config/mips/_tilib.c.
12304 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12306 2006-02-08 Jeff Law <law@redhat.com>
12308 PR tree-optimization/26169
12309 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12312 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12314 * df.h (DF_REG_SIZE): Return the length of the initialized
12317 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12319 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12320 __muldf3): Return a correctly signed zero.
12322 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12324 * passes.c (register_one_dump_file): Accept the current properties
12325 instead of pass number. Adjust call to dump_register. Remove
12327 (register_dump_files): Now a wrapper around...
12328 (register_dump_files_1): ... this one. Do not modify the pass
12330 (next_pass_1): Cosmetic fix.
12331 (execute_todo): Keep second parameter only. Use curr_properties
12332 instead of fetching it from the pass structure. Check and set
12334 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12335 instead of fetching it from the pass structure. Fix calls to
12336 execute_todo. Update curr_properties and initialize .vcg RTL dump
12337 after running the pass. Reset last_verified.
12338 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12340 (FIRST_AUTO_NUMBERED_DUMP): New.
12341 (dump_register): Remove "num" parameter, assign it within the
12343 (get_dump_file_name): Modify template for dumps.
12344 * tree-dump.h (dump_register): Adjust prototype.
12345 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12346 (PROP_trees): Add PROP_gimple_lomp.
12347 (TODO_set_props): New.
12348 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12349 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12350 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12352 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12354 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12355 (sparc64-*-linux*): Likewise.
12356 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12357 * config/sparc/t-linux: New file.
12358 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12359 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12360 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12361 -m32 -mlong-double-128.
12363 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12364 * config/alpha/t-linux: New file.
12365 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12367 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12368 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12369 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12370 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12371 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12372 (CPP_ARCH32_SPEC): Remove.
12374 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12376 PR tree-optimization/26145
12377 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12380 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12383 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12384 >= 240000 when generating code for SOM runtime.
12385 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12386 to $$dyncall when generating code for SOM runtime..
12388 2006-02-07 Dirk Mueller <dmueller@suse.com>
12391 * doc/invoke.texi (-Wsequence-point): Update documentation
12392 that -Wsequence-point is implemented for C++ as well.
12394 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12396 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12397 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12398 (LIB_SPEC): Likewise.
12399 * doc/invoke.texi (SPARC options): Document -pthread.
12401 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12403 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12406 2006-02-07 Roger Sayle <roger@eyesopen.com>
12408 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12409 Correct comment describing BOOLEAN_TYPE.
12411 2006-02-07 Dirk Mueller <dmueller@suse.com>
12413 * c.opt: C++ frontend supports -Wdiv-by-zero.
12414 * c-opts.c (c_common_handle_option): Remove dead case.
12416 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12418 * configure.ac (TLS assembler check): Do not enable TLS by
12419 default on SPARC/Solaris before version 10.
12420 * configure: Regenerate.
12422 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12424 * doc/invoke.texi (xl-compat): Document conversion and support
12427 2006-02-07 Jeff Law <law@redhat.com>
12429 * tree-vrp.c (find_conditional_asserts): Update comments.
12430 (simplify_stmt_for_jump_threading): New.
12431 (identify_jump_threads, finalize_jump_threads): New.
12432 (vrp_finalize): Call identify_jump_threads.
12433 (execute_vrp): Call finalize_jump_threads.
12434 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12435 (vrp_element, vrp_data, vrp_element_p): Remove.
12436 (vrp_hash_elt, vrp_variables_stack): Remove.
12437 (vrp_hash, vrp_eq, record_range): Remove.
12438 (simplify_cond_and_lookup_avail_expr): Remove.
12439 (extract_range_from_cond): Remove.
12440 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12441 (simplify_stmt_for_jump_threading): New.
12442 (dom_thread_across_edge): New wrapper.
12443 (tree_ssa_dominator_optimize): No longer initialize or
12444 finalize any of the VRP datastructures. Remove iteration
12445 step and simplify as a result of removal of iteration step.
12446 (pass_dominator): Perform a cfg cleanup after DOM.
12447 (dom_opt_finalize_block): Use the new common routines
12448 for threading jumps. Simplify stack management slightly.
12449 No longer need to unwind VRP state.
12450 (record_equivalences_from_incoming_edge): No longer record
12452 (eliminate_redundant_computations): No longer call
12453 simplify_cond_and_lookup_avail_expr.
12454 * tree-flow.h (potentially_threadable_block): Prototype.
12455 (thread_across_edge): Likewise.
12456 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12457 (tree-ssa-threadedge.o): Add dependencies.
12458 * tree-ssa-threadedge.c: New file.
12459 * passes.c (init_optimization_passes): Merge PHIs before
12460 calling VRP. Run VRP again late in the SSA optimization pipeline.
12462 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12464 * df-core.c (df_set_blocks): Do not dereference function pointers.
12465 (df_finish1): Likewise.
12466 (df_hybrid_search_forward): Likewise.
12467 (df_hybrid_search_backward): Likewise.
12468 (df_iterative_dataflow): Likewise.
12469 (df_analyze_problem): Likewise.
12470 (df_compact_blocks): Likewise.
12471 (df_dump): Likewise.
12472 * df-scan.c (df_rescan_blocks): Likewise.
12473 (df_record_entry_block_defs): Likewise.
12475 * genconditions.c (write_conditions): Guard the definition of
12476 'insn_conditions' with the check on GCC version.
12477 (write_writer): Guard the traversal 'insn_conditions' with
12478 the check on GCC version.
12480 2006-02-07 Richard Guenther <rguenther@suse.de>
12484 2006-01-30 Richard Guenther <rguenther@suse.de>
12486 * gimplify.c (gimplify_target_expr): Handle easy cases
12487 without creating a temporary.
12489 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12491 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12492 use of float in probability computations. Use edge probabilities
12493 in place of statically computed probabilities.
12494 (min_spec_prob): New static variable.
12495 (schedule_insns): Initialize it.
12496 (GET_SRC_PROB): Removed.
12497 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12499 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12502 * config/ia64/unwind-ia64.c: Revert last change.
12503 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12504 (INCOMING_FRAME_SP_OFFSET): Define.
12506 2006-02-06 Roger Sayle <roger@eyesopen.com>
12508 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12510 2006-02-07 Ben Elliston <bje@au.ibm.com>
12512 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12513 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12514 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12515 (ix86_return_in_memory): Handle TDmode.
12516 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12517 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12519 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12521 * reorg.c (dbr_schedule): Use dump_file instead of file.
12523 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12526 * config/ia64/predicates.md (extr_len_operand): New predicate.
12527 * config/ia64/ia64.md (extv): Tighten constraints.
12529 (*tbit_and_2): Ditto.
12530 (*tbit_and_3): Ditto.
12531 (*tbit_or_2): Ditto.
12532 (*tbit_or_3): Ditto.
12533 (*bit_zero): Ditto.
12536 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12539 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12541 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12543 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12544 loop_optimizer_init and loop_optimizer_finalize
12545 * tree-ssa-sink.c (execute_sink_code): Ditto.
12546 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12547 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12548 tree_ssa_loop_done): Ditto.
12549 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12550 * sched-ebb.c: Include output.h.
12551 (schedule_ebbs): Do not use dump argument.
12552 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12553 * loop.c (loop_dump_stream): Removed.
12554 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12556 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12557 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12558 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12559 loop_iterations, strength_reduce, record_biv, record_giv,
12560 final_giv_value, check_final_value, check_ext_dependent_givs,
12561 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12562 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12563 dump_file instead of loop_dump_stream.
12564 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12565 argument dump_file.
12566 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12568 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12569 * haifa-sched.c: Include output.h
12570 (schedule_insns, sched_init): Do not use dump argument.
12571 * mode-switching.c (optimize_mode_switching): Ditto.
12572 * modulo-sched.c (stats_file): Removed.
12573 (print_node_sched_params): Do not call argument dump_file.
12574 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12575 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12577 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12579 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12580 rtl_loop_init, rtl_loop_done): Ditto.
12581 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12582 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12584 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12585 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12586 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12587 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12588 * emit-rtl.c (renumber_insns): Ditto.
12589 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12590 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12591 * regclass.c (regclass): Ditto.
12592 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12593 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12594 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12595 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12597 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12598 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12600 * gcse.c (gcse_file, debug_stderr): Removed.
12601 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12602 rest_of_handle_gcse): Do not use dump argument.
12603 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12604 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12605 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12606 compute_code_hoist_vbeinout, compute_code_hoist_data,
12607 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12608 compute_store_table, build_store_vectors, insert_insn_start_bb,
12609 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12610 store_motion): Use dump_file instead of gcse_file.
12611 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12612 * profile.c (profile_dump_file): Removed.
12613 (branch_prob): Use dump_file instead of profile_dump_file.
12614 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12616 * tree-ssa-copy.c (dump_copy_of): Ditto.
12617 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12618 dump file to life_analysis.
12619 * bt-load.c (branch_target_load_optimize): Ditto.
12620 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12622 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12623 regclass, dbr_schedule): Declaration changed.
12624 * sched-int.h (sched_init): Declaration changed.
12625 * tree-profile.c (tree_profile_dump_file): Removed.
12626 (tree_profile_hooks): Removed profile_dump_file hook.
12627 * rtl-profile (rtl_profile_dump_file): Removed.
12628 (rtl_profile_hooks): emoved profile_dump_file hook.
12629 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12631 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12632 * tree-cfg.c (build_tree_cfg): Ditto.
12633 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12634 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12635 Declaration changed.
12636 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12637 life_analysis and schedule_insns.
12638 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12640 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12642 * config/mips/mips.c (mips_reorg): Ditto.
12643 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12646 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12648 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12649 (s390_mangle_fundamental_type): New.
12650 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12653 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12654 (alpha_mangle_fundamental_type): New.
12655 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12658 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12660 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12662 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12663 (sparc_mangle_fundamental_type): New.
12665 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12667 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12668 (s390x-*-linux*): Likewise.
12669 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12670 * config/s390/t-linux: New file.
12672 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12674 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12675 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12677 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12679 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12680 (ANTIC_SAFE_LOADS): New macro.
12681 (find_or_generate_expression): Add prototype.
12682 (set_contains_value): Allow null set for sake of not always having
12683 to allocate ANTIC_SAFE_LOADS.
12684 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12685 Allow COMPONENT_REF too.
12686 (valid_in_set): Allow COMPONENT_REF.
12687 Check ANTIC_SAFE_LOADS too.
12688 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12689 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12691 (can_PRE_operation): Add COMPONENT_REF.
12692 (create_component_ref_by_pieces): New function.
12693 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12694 (insert_aux): Move AGGREGATE_TYPE_P check here.
12695 (compute_avail): Set bb local stmt uids.
12696 (pass_pre): Use TODO_update_ssa_only_virtuals.
12698 2006-02-06 Ben Elliston <bje@au.ibm.com>
12700 * configure.ac: Unconditionally disable decimal float by default.
12701 * configure: Regenerate.
12703 2006-02-06 Ben Elliston <bje@au.ibm.com>
12705 * read-rtl.c (read_name): Terminate reading on EOF.
12707 2006-02-06 Ben Elliston <bje@au.ibm.com>
12709 * dfp.c (decimal_real_arithmetic): Change second argument type
12710 from int to enum tree_code. Do not always return true, but now
12711 return result of any call to decimal_do helper functions.
12712 * dfp.h (decimal_real_arithmetic): Update prototype.
12714 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12716 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12718 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12721 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12724 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12726 * tree-vrp.c (cfg_loops): Removed.
12727 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12728 Use current_loops instead of cfg_loops. Pass flags to
12729 loop_optimizer_init.
12730 * cfgloopmanip.c (fix_loop_structure): Update only available
12732 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12733 loop_optimizer_init.
12734 * modulo-sched.c (build_loops_structure): Removed.
12735 (sms_schedule): Use loop_optimizer_init.
12736 * loop-init.c (loop_optimizer_init): Use flags to determine
12737 which properties of loops to prepare.
12738 (rtl_loop_init): Pass flags to loop_optimizer_init.
12739 * tree-ssa-sink.c (execute_sink_code): Ditto.
12740 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12741 * tree-ssa-pre.c (init_pre): Ditto.
12742 * cfgloop.h (LOOPS_NORMAL): New.
12743 (loop_optimizer_init): Declaration changed.
12745 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12747 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12748 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12750 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12752 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12754 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12755 * pa/t-pa64: Delete quadlib.c rule.
12756 * pa/x-ada: Revert last change.
12757 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12759 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12761 PR rtl-optimization/26087
12762 * rtlanal.c (canonicalize_condition): Do not cross basic block
12765 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12768 * config/ia64/ia64.c: Include debug.h.
12769 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12770 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12771 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12772 (process_epilogue, process_set, process_for_unwind_directive):
12773 Output unwind info only if requested. Add CFA info if requested.
12774 Add new arguments as needed. Adjust callers.
12775 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12777 (DWARF2_FRAME_INFO): Define to zero.
12778 * config/ia64/unwind-ia64.c: Remove code that compensated for
12779 the CFA offset error fixed above.
12780 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12781 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12782 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12783 -funwind-tables and -fexceptions to enable frame info.
12784 (dwarf2out_frame_init): Define initial CFA even if
12785 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12786 DWARF2_UNWIND_INFO is nonzero, not just defined.
12787 (dwarf2out_frame_finish): Output non-EH call frame info only
12788 if DWARF2_FRAME_INFO is nonzero.
12789 (convert_cfa_to_loc_list,
12790 compute_frame_pointer_to_cfa_displacement): Define even if
12791 unwind info is not supported.
12792 (gen_subprogram_die): Use the above unconditionally. Remove
12793 legacy alternate code.
12794 * toplev.c (compile_file): Compile in call to
12795 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12796 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12798 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12799 Jakub Jelinek <jakub@redhat.com>
12801 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12802 IBM extended float format long double as "g" on powerpc*-linux.
12804 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12807 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12808 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12810 2006-02-03 Jason Merrill <jason@redhat.com>
12813 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12815 PR middle-end/25977
12816 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12817 on the return slot if it's an NRV.
12819 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12821 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12822 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12823 rewrite_use): Do not handle USE_OUTER.
12824 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12825 add_iv_outer_candidates, may_replace_final_value,
12826 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12827 (find_interesting_uses_op): Functionality of
12828 find_interesting_uses_outer_or_nonlin moved here.
12829 (find_interesting_uses_outside): Use find_interesting_uses_op.
12831 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12834 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12836 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12837 Ulrich Weigand <uweigand@de.ibm.com>
12840 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12841 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12842 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12843 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12845 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12846 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12847 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12848 Define secondary reloads for TFmode moves.
12849 (constant_modes): Add TFmode.
12850 (NR_C_MODES): Set to 8.
12851 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12853 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12854 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12855 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12856 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12857 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12858 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12859 (FPR mode macro): Add TFmode.
12860 (DSF mode macro): New.
12861 (<de>, <dee> mode attributes): Removed.
12862 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12863 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12864 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12865 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12866 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12867 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12868 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12869 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12870 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12871 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12872 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12873 "*negabs<mode>2", "sqrt<mode>2"):
12874 Changed <de> to <xde>. R constraint replaced by <Rf>.
12875 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12877 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12878 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12879 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12881 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12882 "extenddftf2", "extendsftf2"): New expanders.
12883 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12884 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12885 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12886 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12888 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12889 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12890 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12891 __floatditf): Add a GCC_4.1.0 symbol version tag.
12892 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12895 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12898 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12899 Use targetm.binds_local_p instead of TREE_PUBLIC.
12901 2006-02-02 Roger Sayle <roger@eyesopen.com>
12903 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12904 on INTEGER_TYPEs to indicate that it denotes a character type.
12905 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12906 signed_char_type_node, unsigned_char_type_node and char_type_node.
12907 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12908 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12909 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12911 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12912 Daniel Berlin <dberlin@dberlin.org>
12914 * tree-tailcall.c (arg_needs_copy_p): New function.
12915 (eliminate_tail_call): Use arg_needs_copy_p.
12916 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12917 (add_virtual_phis): New function.
12919 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12921 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12922 #ignore instead of #scratch for %g7 .register directive.
12924 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12926 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12929 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12931 * flow.c (calculate_global_regs_live): Assert that there aren't any
12934 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12936 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12937 what its name says.
12938 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12939 bsi_after_labels iterator.
12940 * tree-if-conv.c (find_phi_replacement_condition,
12941 replace_phi_with_cond_modify_expr): Likewise.
12942 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12943 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12945 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12947 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12949 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12952 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12953 array after growing it.
12955 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12957 PR middle-end/24901
12958 * fold-const.c (fold_checksum_tree): Change type of buf.
12960 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12962 * reload.c (push_secondary_reload): Initialize t_icode.
12964 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12966 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12967 -msoft-float -mlong-double-128 only issue a warning, but don't
12968 swich to DFmode long double.
12970 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12972 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12973 has a constant equivalent, iterate over equivalents for arg0,
12974 calling simplify_relational_operation and if there's a result
12975 cheaper than X, apply fold_rtx and return the result.
12977 2006-02-01 Jan Hubicka <jh@suse.cz>
12979 * opts.c (no_unit_at_a_time_default): New global variable.
12980 (decode_options): Use it.
12981 * opts.h (no_unit_at_a_time_default): Declare.
12983 2006-02-01 Paul Brook <paul@codesourcery.com>
12985 * function.c (assign_parm_setup_reg): Use function argument promotion
12987 * expr.c (expand_expr_real_1): Use function argument promotion rules
12990 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12992 * gcc.c (process_command): Change j to 'unsigned int'.
12994 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12996 PR middle-end/26001
12997 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12998 Use the corrected index for the character
12999 out of the string constant.
13001 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13003 * mode-switching.c (optimize_mode_switching): Fix size
13004 allocated for bb_info[n_entities].
13006 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13008 * gcc.c (main): Correct type that is allocated for
13009 explicit_link_files.
13011 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13013 * config/s390/s390.c (init_alignment_context): Set
13014 ALIAS_SET_MEMORY_BARRIER on the MEM.
13015 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13017 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13019 PR middle-end/25933
13020 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13022 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13025 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13027 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13028 * regrename.c: Ditto.
13029 * tree-ssa-loop-im.c: Ditto.
13030 * tree-dump.c: Ditto.
13031 * tree-complex.c: Ditto.
13032 * genrecog.c: Ditto.
13033 * tree-ssa-threadupdate.c: Ditto.
13035 * java/class.c: Ditto.
13036 * java/jcf-parse.c: Ditto.
13037 * java/resource.c: Ditto.
13038 * java/except.c: Ditto.
13039 * java/jvspec.c: Ditto.
13040 * java/jcf-write.c: Ditto.
13041 * java/jcf-path.c: Ditto.
13042 * java/gjavah.c: Ditto.
13043 * java/zextract.c: Ditto.
13044 * java/jcf-io.c: Ditto.
13045 * java/jcf.h: Ditto.
13046 * java/buffer.c: Ditto.
13047 * java/lang.c: Ditto.
13048 * java/parse-scan.y: Ditto.
13049 * java/lex.c: Ditto.
13050 * java/lex.h: Ditto.
13051 * cfgloopmanip.c: Ditto.
13052 * postreload-gcse.c: Ditto.
13053 * tree-ssa-loop-manip.c: Ditto.
13054 * postreload.c: Ditto.
13055 * tree-ssa-loop-ch.c: Ditto.
13058 * cppspec.c: Ditto.
13059 * diagnostic.c: Ditto.
13061 * genoutput.c: Ditto.
13063 * cfghooks.c: Ditto.
13064 * cfgloopanal.c: Ditto.
13065 * objc/objc-act.c: Ditto.
13067 * genextract.c: Ditto.
13068 * genautomata.c: Ditto.
13069 * pretty-print.c: Ditto.
13070 * genemit.c: Ditto.
13071 * cgraphunit.c: Ditto.
13073 * df-scan.c: Ditto.
13074 * haifa-sched.c: Ditto.
13075 * dominance.c: Ditto.
13077 * tree-ssa-loop-ivopts.c: Ditto.
13078 * df-core.c: Ditto.
13079 * mode-switching.c: Ditto.
13080 * modulo-sched.c: Ditto.
13082 * ipa-pure-const.c: Ditto.
13084 * fix-header.c: Ditto.
13086 * tree-stdarg.c: Ditto.
13087 * ipa-utils.c: Ditto.
13088 * loop-init.c: Ditto.
13089 * ipa-inline.c: Ditto.
13090 * cfganal.c: Ditto.
13092 * alloc-pool.c: Ditto.
13093 * dwarf2out.c: Ditto.
13095 * genattrtab.c: Ditto.
13096 * tree-ssa-loop-ivcanon.c: Ditto.
13097 * predict.c: Ditto.
13098 * timevar.c: Ditto.
13100 * fortran/gfortranspec.c: Ditto.
13101 * regmove.c: Ditto.
13102 * local-alloc.c: Ditto.
13103 * langhooks.c: Ditto.
13104 * function.c: Ditto.
13105 * tree-vectorizer.c: Ditto.
13107 * ipa-type-escape.c: Ditto.
13109 * tree-if-conv.c: Ditto.
13110 * profile.c: Ditto.
13112 * tree-data-ref.c: Ditto.
13113 * loop-unroll.c: Ditto.
13114 * treelang/treetree.c: Ditto.
13116 * bt-load.c: Ditto.
13117 * ggc-common.c: Ditto.
13119 * coverage.c: Ditto.
13121 * tree-cfgcleanup.c: Ditto.
13122 * tree-ssa-pre.c: Ditto.
13123 * cfgcleanup.c: Ditto.
13124 * loop-invariant.c: Ditto.
13125 * loop-iv.c: Ditto.
13126 * ipa-prop.c: Ditto.
13127 * print-tree.c: Ditto.
13128 * conflict.c: Ditto.
13129 * ggc-page.c: Ditto.
13130 * sched-deps.c: Ditto.
13131 * regclass.c: Ditto.
13132 * tree-object-size.c: Ditto.
13133 * combine.c: Ditto.
13134 * bb-reorder.c: Ditto.
13135 * resource.c: Ditto.
13136 * var-tracking.c: Ditto.
13137 * cfgloop.c: Ditto.
13138 * df-problems.c: Ditto.
13139 * reg-stack.c: Ditto.
13141 * gccspec.c: Ditto.
13142 * sched-rgn.c: Ditto.
13143 * tree-ssa-structalias.c: Ditto.
13144 * tree-ssa-reassoc.c: Ditto.
13145 * config/darwin-c.c: Ditto.
13146 * config/darwin.c: Ditto.
13147 * config/arm/arm.c: Ditto.
13149 * collect2.c: Ditto.
13150 * reload1.c: Ditto.
13152 2006-01-31 Nicolas Pitre <nico@cam.org>
13154 * arm.md (smaxsi3): Make aware of smax_m1.
13157 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13159 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13161 2006-01-31 Richard Guenther <rguenther@suse.de>
13163 * doc/invoke.texi (-msselibm): Document.
13164 * target.h (expand_library_builtin): New target hook.
13165 * builtins.c (expand_builtin): Use expand_library_builtin.
13166 (default_expand_library_builtin): New function.
13167 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13168 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13169 (link_gcc_math_spec): Declare.
13170 (static_specs): Add link_gcc_math_spec.
13171 * expr.h (default_expand_library_builtin): Declare.
13172 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13173 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13174 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13175 * config/i386/i386.opt (msselibm): New target option.
13176 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13177 (ix86_init_sse_abi_builtins): New function.
13178 (ix86_expand_library_builtin): Likewise.
13179 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13180 (override_options): Handle error conditions wrt -msselibm.
13181 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13182 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13183 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13186 2006-01-31 Richard Guenther <rguenther@suse.de>
13187 Paolo Bonzini <bonzini@gnu.org>
13189 * doc/install.texi (--disable-libgcc-math): Document.
13191 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13193 * expr.h (expand_normal): new inline function.
13194 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13195 * dojump.c: use it.
13196 * dwarf2out.c: use it.
13199 * expmed.c: use it.
13200 * except.c: use it.
13201 * config/sparc/sparc.c: use it.
13202 * config/i386/i386.c: use it.
13203 * config/rs6000/rs6000.c: use it.
13204 * config/arm/arm.c: use it.
13205 * config/mips/mips.c: use it.
13206 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13208 2006-01-30 Roger Sayle <roger@eyesopen.com>
13210 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13211 argv to the appropriate type.
13213 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13215 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13218 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13221 * config/s390/s390.c (struct machine_function): New flag
13222 decomposed_literal_pool_addresses_ok_p.
13223 (s390_reorg): Set it before final stage of literal pool transforms.
13224 (s390_decompose_address): Only accept displacements of the form
13225 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13227 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13229 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13230 the comparison routine return.
13232 2006-01-30 Michael Matz <matz@suse.de>
13234 * global.c (find_reg): Only evict for global regs.
13235 Take n_refs into account and dump more info.
13237 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13240 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13241 (pragma_trap, pragma_nosave_low_regs): Likewise.
13242 (current_function_anonymous_args): Likewise.
13243 (sh_deferred_function_attributes): New variable.
13244 (sh_deferred_function_attributes_tail): Likewise.
13245 (print_operand): For '@', look up trap_exit attribute.
13246 (calc_live_regs): Look up trapa_handler attribute. For trapa
13247 handlers, save/restore fpscr, but don't do any other
13248 interrupt-specific saves.
13249 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13250 Fix check for partially saved registers to check for SHmedia.
13251 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13252 (sh_output_function_epilogue): Don't clear any of the removed
13254 (sh_insert_attributes): Don't check pragma_interrupt.
13255 Insert deferred attributes. Check that interrupt attribute is
13256 present for other attributes that require its presence.
13257 (sh_attribute_table): Add new attributes trapa_handler and
13259 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13260 Don't check for pragma_interrupt. Don't store argument.
13261 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13262 (sh_deferred_function_attributes): Declare.
13263 (sh_deferred_function_attributes_tail): Likewise.
13264 * sh.md (sp_switch_1): Add operand. Change generator caller.
13265 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13266 (*return_i): Don't use when trap_exit attribute is in effect.
13267 (*return_trapa): New insn pattern.
13268 * sh-c.c: New file.
13269 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13270 setting c_target_objs and cxx_target_objs.
13271 * t-sh: Add rule for sh-c.o.
13273 2006-01-30 Richard Guenther <rguenther@suse.de>
13276 * gimplify.c (gimplify_target_expr): Handle easy cases
13277 without creating a temporary.
13279 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13281 * vec.h (safe_grow): Remove duplicated line.
13283 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13286 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13287 (expand_omp): ... here.
13288 (expand_omp_parallel): Only remove barriers for combined
13289 parallel+workshare constructs.
13291 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13295 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13296 * tree.c (build_qualified_type): Chain the new type to the original
13297 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13298 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13299 (build_pointer_type_for_mode): Only return unqualified types.
13300 (build_reference_type_for_mode): Likewise.
13302 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13304 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13305 * Makefile.in (CXX_COMPAT_WARN): Define.
13306 * configure: Regenerate.
13308 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13311 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13314 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13316 * toplev.c: Fix thinko.
13318 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13319 Marcin Dalecki <martin@dalecki.de>
13321 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13322 (push_srcloc): Use XNEW.
13323 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13325 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13327 * df-core.c (df_set_blocks): Deleted all variable.
13329 2006-01-28 Ian Lance Taylor <ian@airs.com>
13331 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13332 cgraph_output_pending_asms.
13334 2006-01-28 Zack Weinberg <zackw@panix.com>
13336 * c.opt: Add -W(no-)overlength-strings.
13337 * doc/invoke.texi: Document it.
13338 * c-opts.c (c_common_handle_option): -pedantic implies
13339 -Woverlength-strings, if not explicitly disabled already.
13340 (c_common_post_options): -Woverlength-strings defaults to off, and
13341 is always off for C++.
13342 * c-common.c (fix_string_type): Issue warning about strings longer
13343 than is portable only if warn_overlength_strings. Rearrange code
13344 a little for clarity.
13345 * configure.in: Check for -Wno-overlength-strings as well before
13346 enabling -pedantic in stage 1.
13347 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13348 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13350 * genconditions.c (write_header, write_one_condition)
13351 (write_conditions, write_writer): Consolidate very long strings
13352 that were broken up to fit in C89 portable limit. Don't use
13353 printf when fputs will do.
13355 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13357 * combine.c (simplify_comparison <AND>): Check
13358 TRULY_NOOP_TRUNCATION before start using a subreg.
13360 * config/mips/mips.md (*branch_zero<mode>,
13361 *branch_zero<mode>_inverted, *branch_equality<mode>,
13362 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13363 Remove mode check from comparisons.
13365 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13367 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13369 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13371 * expmed.c (const_mult_add_overflow_p): Remove.
13372 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13374 * recog.c (validate_replace_rtx_subexp): Remove.
13375 * recog.h: Remove the prototype for
13376 validate_replace_rtx_subexp.
13378 * integrate.h: Remove the prototype for
13379 copy_decl_for_inlining.
13380 * rtl.h: Remove the prototype for mark_constant_function.
13381 * tree-vectorizer.h: Remove the prototype for
13382 vect_strip_conversion.
13384 * modulo-sched.c (create_partial_schedule,
13385 free_partial_schedule, reset_partial_schedule): Make them
13388 * hooks.c (hook_bool_rtx_int_false): Remove.
13389 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13391 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13393 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13394 and -mlong-double-128 are incompatible.
13395 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13396 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13397 (TARGET_LIBGCC2_CFLAGS): Define.
13398 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13399 (TARGET_LIBGCC2_CFLAGS): Same.
13400 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13402 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13405 * c-typeck.c (build_binary_op): Perform implicit casts of
13406 operands before shortening them.
13408 * cfgloopmanip.c (split_loop_bb): Remove.
13409 * cfgloop.h: Remove the prototype for split_loop_bb.
13411 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13412 * cfgloop.h: Remove the prototype for
13413 flow_loop_outside_edge_p.
13415 * emit-rtl.c (init_virtual_regs): Make it static.
13416 * function.h: Remove the prototype for init_virtual_regs.
13418 * recog.c (peephole2_optimize): Make it static.
13419 * recog.h: Remove the prototype for peephole2_optimize.
13421 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13423 * df-scan.c (df_record_entry_block_defs): Check if
13424 INCOMING_RETURN_ADDR_RTX is defined.
13426 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13427 Kenneth Zadeck <zadeck@naturalbridge.com>
13429 PR rtl-optimization/24762
13430 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13431 * targhooks.c (hook_void_bitmap): New hook prototype.
13432 * targhoohs.h (hook_void_bitmap): Ditto.
13433 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13434 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13435 * target.h (live_on_entry): New function pointer.
13436 * df-scan.c (df_all_hard_regs): Removed.
13437 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13438 (df_scan_free_internal): Added df->entry_block_defs.
13439 (df_scan_alloc): Ditto.
13440 (df_scan_dump): Ditto.
13441 (df_uses_record): Plumbed flag field properly thru calls.
13442 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13443 This part fixes PR24762.
13444 (df_bb_refs_record): Added code to make the frame and arg
13445 pointers live in EH blocks.
13446 (df_refs_record): Added call to df_record_entry_block_defs.
13447 (df_record_entry_block_defs): New function.
13448 * df-core.c: Added comments to describe new artifical defs.
13449 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13450 (entry_block_defs): New field in struct df.
13451 (df_all_hard_regs): Deleted.
13452 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13453 * df-problems.c (df_ru_bb_local_compute_process_def):
13454 Added code to handle artifical defs in the entry to a function.
13455 (df_ru_bb_local_compute): Ditto.
13456 (df_rd_bb_local_compute_process_def): Ditto.
13457 (df_rd_bb_local_compute): Ditto.
13458 (df_lr_bb_local_compute): Ditto.
13459 (df_ur_bb_local_compute): Ditto.
13460 (df_urec_bb_local_compute): Ditto.
13461 (df_chain_create_bb): Ditto.
13462 (df_ur_local_finalize): Removed entry.
13463 (df_urec_init): Ditto.
13464 (df_urec_local_finalize): Ditto.
13465 (df_ri_bb_compute): Added detection of last use of pseudos.
13466 * Makefile.in (df-scan.o): Updated dependencies.
13467 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13468 * config/mips/mips.c (mips_set_live_on_entry): Added.
13469 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13471 * dce.c (marked_insn_p): Added code to handle artifical defs.
13473 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13475 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13477 (_mm_cvtsi128_si64): Likewise.
13478 (_mm_cvtsd_si64): Likewise.
13479 (_mm_cvttsd_si64): Likewise.
13480 (_mm_cvtsi64_sd): Likewise.
13481 (_mm_cvtsi64_si128): Likewise.
13482 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13483 (_mm_cvtsi64_m64): Likewise.
13484 (_m_to_int64): Likewise.
13485 (_mm_cvtm64_si64): Likewise.
13486 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13487 (_mm_cvttss_si64): Likewise.
13488 (_mm_cvtsi64_ss): Likewise.
13489 (_mm_cvtss_f32): Likewise.
13491 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13493 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13494 for pragma redefine_extname.
13496 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13499 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13500 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13501 -mno-minimal-toc to previous content.
13502 (bispecs): Remove goal.
13503 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13504 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13505 compatibility aliases on powerpc-*-*gnu*.
13506 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13507 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13508 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13509 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13510 (ldblspecs): New goal.
13511 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13512 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13514 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13515 L_sf_to_tf or L_df_to_tf is defined.
13517 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13518 Alan Modra <amodra@bigpond.net.au>
13521 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13522 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13523 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13524 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13525 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13526 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13527 (rs6000_override_options): Initialize rs6000_ieeequad.
13528 Initialize TFmode format to ibm_extended_format if not
13530 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13532 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13533 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13534 (function_arg_advance): IBM long double passed in two FPRs, not
13536 (function_arg): IBM long double passed in FPRs.
13537 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13538 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13539 Only multireg GPR aligned.
13540 (rs6000_init_libfuncs): Enable IBM long double functions if not
13542 (rs6000_generate_compare): Use IBM long double compare if not
13544 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13545 (TARGET_IEEEQUAD): Define.
13546 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13547 not TARGET_IEEEQUAD.
13548 * config/rs6000/rs6000.md: Enable TFmode patterns if
13550 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13551 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13552 and -mlong-double-128 are incompatible.
13553 * doc/invoke.texi (-mabi): Collect options together. Add
13554 ibmlongdouble and ieeelongdouble.
13556 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13558 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13560 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13561 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13562 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13563 * rtl.h (rtunion_def): Remove rt_ptr.
13565 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13566 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13567 * config/i386/winnt.c (i386_pe_mark_dllexport)
13568 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13570 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13572 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13574 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13578 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13579 pthread_key_delete. From John David Anglin. gthrw-ify
13580 pthread_getunique_np only if it it's not a macro. Delete
13582 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13583 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13584 __gthread_objc_condition_signal, __gthread_key_delete): Add
13585 "__attribute__ ((__unused__))" to unused arguments.
13586 (__gthread_recursive_mutex_init_function): Add missing return.
13587 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13588 gthr-posix95.h: Use macro-based approach for name redirection
13589 on targets missing weakref.
13591 2006-01-26 Zack Weinberg <zackw@panix.com>
13593 * genconditions.c (write_header): In generated code, #ifdef out
13594 all includes and fake declarations, except includes of bconfig.h
13595 and system.h, unless GCC_VERSION >= 3001. Do not include
13596 gensupport.h in any case.
13597 (write_conditions): Generate a definition of struct c_test. Add
13598 a comment to the generated #endif.
13599 (write_one_condition): Escape backslashes in string too.
13600 (write_writer): Generated code must escape backslashes and quote
13601 marks (but not newlines) in the strings it writes.
13602 * Makefile.in (build/gencondmd.o): Update dependencies.
13604 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13607 * Makefile.in (insn-automata.o): Add header file dependencies.
13608 * genautomata.c: Add includes.
13610 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13613 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13615 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13617 * configure.ac: Expect target tools paths to be passed from the toplevel
13618 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13620 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13622 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13625 * c.opt (Wpointer-sign): Init to -1.
13626 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13627 OPT_pedantic, to 0 otherwise.
13628 * doc/invoke.texi: Update.
13630 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13632 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13633 constants provided by 80387 instructions in the destination mode.
13635 2006-01-26 Richard Guenther <rguenther@suse.de>
13636 Andrew Pinski <pinskia@physics.uc.edu>
13639 partial PR tree-opt/17064
13640 * tree-ssa-structalias.c (intra_create_variable_infos):
13641 Create heap variables for incoming parameters if
13642 flag_argument_noalias > 1.
13643 (find_what_p_points_to): Look through default defs of
13646 2006-01-26 Jeff Law <law@redhat.com>
13649 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13650 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13651 within the VR_RANGE, use the VR_RANGE as the result, not the
13653 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13654 bounds for the type.
13656 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13658 * tree-ssa-alias.c (maybe_create_global_var): Change
13659 subvar walking to an assertion that we don't have subvar'd variables.
13661 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13664 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13665 Use a new variable, inner. PARM_DECLs are always non-weak.
13667 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13669 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13670 --disable-checking.
13672 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13674 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13676 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13678 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13679 (smax_insn, smin_insn, smax_0, smin_0): New.
13681 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13684 * config/cris/cris.c (cris_order_for_addsi3): New function.
13685 * config/cris/cris-protos.h: Prototype it.
13686 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13687 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13688 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13689 (split for "op.S1 [rx=rx+i],ry (swapped)")
13690 (split for "op(s|u).S1 [rx=rx+i],ry")
13691 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13692 Apply cris_order_for_addsi3 when generating addsi3 insns.
13694 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13696 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13697 (TREE_BLOCK): Add call to EXPR_CHECK.
13699 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13702 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13703 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13704 (dump_omp_clauses): ... here.
13705 (dump_generic_node): Handle OMP_CLAUSE.
13706 * tree.c (omp_clause_num_ops): New.
13707 (omp_clause_code_name): New.
13708 (tree_code_size): Handle OMP_CLAUSE.
13709 (tree_size): Likewise.
13710 (make_node): Document handling of OMP_CLAUSE.
13711 (tree_node_structure): Handle OMP_CLAUSE.
13712 (omp_clause_check_failed): New.
13713 (omp_clause_range_check_failed): New.
13714 (omp_clause_operand_check_failed): New.
13715 (build_omp_clause): New.
13716 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13717 * tree.h (enum omp_clause_code): Declare.
13718 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13719 (OMP_CLAUSE_RANGE_CHECK): Define.
13720 (OMP_CLAUSE_ELT_CHECK): Define.
13721 (omp_clause_check_failed): Declare.
13722 (omp_clause_operand_check_failed): Declare.
13723 (omp_clause_range_check_failed): Declare.
13724 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13725 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13726 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13727 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13728 (OMP_CLAUSE_IF_EXPR): Likewise.
13729 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13730 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13731 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13732 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13733 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13734 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13735 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13736 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13737 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13738 (OMP_CLAUSE_CODE): Define.
13739 (OMP_CLAUSE_SET_CODE): Define.
13740 (OMP_CLAUSE_CODE): Define.
13741 (OMP_CLAUSE_OPERAND): Define.
13742 (struct tree_omp_clause): Declare.
13743 (union tree_node): Add field 'omp_clause'.
13744 * treestruct.def (TS_OMP_CLAUSE): Define.
13745 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13746 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13747 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13748 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13749 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13750 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13751 (OMP_CLAUSE): Define.
13752 * print-tree.c (print_node): Handle OMP_CLAUSE.
13753 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13754 * c-typeck.c: Likewise.
13755 * gimplify.c: Likewise.
13756 * c-omp.c: Likewise.
13757 * tree-nested.c: Likewise.
13758 * tree-inline.c: Likewise.
13759 * c-parser.c: Likewise.
13760 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13763 2006-01-25 Roger Sayle <roger@eyesopen.com>
13765 PR rtl-optimization/25703
13766 * combine.c (try_combine): Handle zero_extract and strict_low_part
13767 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13769 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13771 * global.c: Fix comment typos.
13773 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13776 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13777 Use output_addr_const instead of assemble_name.
13779 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13781 * Makefile.in (sched-vis.o): Update dependencies.
13782 * haifa-sched.c (sched_finish): Clear current_sched_info.
13783 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13784 (dump_flow_info): Call it.
13785 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13787 * basic-block.h (dump_bb_info): Declare.
13788 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13789 option, and apply options only for dump files whose TDF_RTL,
13790 TDF_TREE, or TDF_IPA bits match.
13791 * rtl.h: Declare new functions exported from sched-vis.c.
13792 * sched-vis.c: Enable also if scheduling is not used.
13793 (print_value): Print the mode of registers if not inside scheduling.
13794 (print_insn): Make it work outside the scheduler. Beautify the output
13796 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13798 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13800 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13801 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13802 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13803 depending on the value of CONSTANT_POOL_ADDRESS_P.
13804 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13806 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13807 rather than SYMBOL_REF_DECL.
13808 (rtx_constant_pool): Remove const_rtx_sym_htab.
13809 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13810 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13811 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13812 Remove handling of const_rtx_sym_htab.
13813 (find_pool_constant): Delete.
13814 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13815 rather than find_pool_constant.
13816 (get_pool_constant_for_function): Delete.
13817 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13818 find_pool_constant.
13819 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13820 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13821 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13822 (SYMBOL_REF_CONSTANT): New macro.
13823 (get_pool_constant_for_function): Delete.
13824 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13825 rather than SYMBOL_REF_DECL.
13826 (i386_pe_mark_dllimport): Likewise.
13827 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13828 rather than SYMBOL_REF_DECL.
13829 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13830 (machopic_indirect_call_target): Likewise.
13832 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13834 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13836 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13838 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13840 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13842 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13844 2006-01-24 David Daney <ddaney@avtrex.com>
13847 * configure.ac (enable_tls): New enable option.
13848 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13849 * configure: Regenerate.
13850 * doc/install.texi (--enable-tls): Document new option.
13851 (--disable-tls): Ditto.
13853 2006-01-24 Richard Henderson <rth@redehat.com>
13855 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13856 * alias.c (true_dependence): Respect it.
13857 (canon_true_dependence, write_dependence_p): Likewise.
13858 * builtins.c (get_builtin_sync_mem): Set it.
13860 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13862 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13865 2006-01-24 DJ Delorie <dj@redhat.com>
13867 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13868 for storing constants in single-bit bitfields.
13870 2006-01-25 Ben Elliston <bje@au.ibm.com>
13872 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13874 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13877 * tree-ssa-pre.c (phi_translate): Return NULL
13878 for AGGREGATE_TYPE's.
13880 2006-01-24 Zack Weinberg <zackw@panix.com>
13882 * genautomata.c (process_state_for_insn_equiv_partition):
13883 Use xcalloc for insn_arcs_array.
13884 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13885 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13887 2006-01-24 Richard Henderson <rth@redhat.com>
13889 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13890 update all callers.
13892 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13894 PR rtl-optimization/25890
13895 PR rtl-optimization/25905
13896 * combine.c (expand_compound_operation, expand_field_assignment):
13897 Fail if the bitfield's final position is out of bounds.
13899 2006-01-24 Ian Lance Taylor <ian@airs.com>
13901 PR middle-end/25930
13902 * cgraphunit.c (cgraph_output_in_order): Don't clear
13903 cgraph_asm_nodes until after asm strings have been output.
13905 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13907 * fix-header.c (read_scan_file): Add new parameter imultilib when
13908 calling register_include_chains.
13910 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13912 * omp-low.c: Update documentation.
13914 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13915 Daniel Berlin <dberlin@dberlin.org>
13919 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13920 return from the function.
13922 2006-01-22 Zack Weinberg <zackw@panix.com>
13924 * rtl.def (match_code): Add second argument.
13925 * genpreds.c (write_extract_subexp): New function.
13926 (write_match_code): Add path argument. Use write_extract_subexp.
13927 (write_predicate_expr): Pass path to write_match_code.
13928 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13929 not perform a mode test.
13930 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13931 a subexpression does not constrain the top-level code set.
13932 * read-rtl.c (read_rtx_variadic): New function.
13933 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13934 * doc/md.texi: Document new notation.
13935 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13936 (cmpsi_operand): ... here, using new notation.
13938 2006-01-22 Zack Weinberg <zackw@panix.com>
13940 * varray.c: Remove GENERATOR_FILE #ifdefs.
13942 2006-01-22 Zack Weinberg <zackw@panix.com>
13944 * genautomata.c (output_reserved_units_table): Emit nothing if
13945 description->query_units_num is zero. Remove extra blank line.
13946 (output_cpu_unit_reservation_p): Short circuit
13947 if description->query_units_num is zero.
13949 2006-01-22 Zack Weinberg <zackw@panix.com>
13951 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13952 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13953 nor any of the random handful of variables that used to be necessary
13954 when this program was linked with rtlanal.o. Prune set of forward
13955 function declarations.
13956 (struct attr_desc): Remove static_p field.
13957 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13958 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13959 (attr_string): Do not read the character one past the length of
13961 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13962 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13963 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13964 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13965 (make_automaton_attrs): New.
13966 (main): Do not call into genautomata. Call local gen_bypass
13967 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13968 Remove special case for insn_alts.
13969 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13970 varray.h (leftover from previous change). Prune set of forward
13971 function declarations. Remove state_alts fields from all
13972 structures. Remove state_alts_table from struct automaton.
13973 Make everything except main static. Do not maintain num_dfa_decls.
13974 Do not maintain state_alts fields of various structures.
13975 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13976 (add_arc): Remove state_alts argument. All callers updated.
13977 (output_reserved_units_table): Emit #ifdef here...
13978 (output_tables): ...not here. Don't generate state_alts tables.
13979 (expand_automata): Don't generate attributes.
13980 (write_automata): Don't generate state_alts functions.
13981 (main): New function.
13982 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13983 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13984 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13985 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13986 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13987 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13988 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13989 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13991 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13992 * genattrtab.h: Delete file.
13993 * Makefile.in (OBJS-common): Add insn-automata.o.
13994 (insn-automata.o): New rule.
13995 (simple_generated_c): Add insn-automata.c.
13996 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13997 (genprogmd): Add automata.
13998 (build/genattrtab): Needs no extra objects nor libraries.
13999 (build/genautomata): Needs build/vec.o and -lm.
14001 2006-01-22 Zack Weinberg <zackw@panix.com>
14003 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14004 (output_dfa_max_issue_rate, locked_states_num): Delete.
14005 (struct automaton): Add locked_states field.
14006 (output_dead_lock_vect): Save number of locked states in
14007 automaton->locked_states. If it is zero, don't print anything.
14008 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14009 (output_internal_dead_lock_func): Only test the dead_lock_vect
14010 for automata that have locked states.
14011 (output_statistics): Always print the number of locked states for
14012 each automaton. Calculate total number of locked states here.
14013 (write_automata): Don't call output_dfa_max_issue_rate.
14014 * genattrtab.c: Define length_unit_log as a const variable.
14015 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14016 max_insn_queue_index const.
14017 * final.c (length_unit_log): Declare const.
14018 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14020 2006-01-22 Zack Weinberg <zackw@panix.com>
14022 * genautomata.c: Include vec.h, not varray.h.
14023 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14024 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14025 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14026 VEC_* macros operating on appropriately typed vectors, or to
14027 malloced arrays when the size is known in advance. Const-ify
14028 many char* variables and function arguments. No functional changes.
14029 * Makefile.in (build/varray.o): Delete rule.
14030 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14031 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14033 2006-01-22 Zack Weinberg <zackw@panix.com>
14035 * gensupport.c: Define get_insn_name and record_insn_name here.
14036 (read_md_rtx): Call record_insn_name as appropriate.
14037 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14038 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14039 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14041 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14042 (BUILD_VARRAY): Delete.
14043 (genprognormal): Rename genprogmd. Fold in all programs from
14044 genprognoprint; also attrtab.
14045 (build/genattrtab): Just mention genautomata.o and varray.o.
14046 Reorganize a bit, add comments to make the categories clearer.
14048 2006-01-22 Zack Weinberg <zackw@panix.com>
14050 * genconditions.c (condition_table, add_condition): Delete.
14051 (write_conditions): Don't emit n_insn_conditions nor
14052 insn_elision_unavailable. Issue the gcc version #ifdef here,
14053 inside the table, with no #else clause ...
14054 (write_header): ...not here.
14055 (write_writer): New function.
14056 (main): Don't initialize condition_table. Use add_c_test.
14058 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14059 files on the command line.
14060 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14061 Return -1 if there is no entry in the table, don't abort.
14062 (add_c_test, traverse_c_tests): New functions.
14063 * gensupport.h (insn_elision_unavailable, insn_conditions)
14064 (n_insn_conditions): Delete declarations.
14065 (add_c_test, traverse_c_tests): Declare.
14066 * read-rtl.c: Include gensupport.h.
14067 (read_conditions): New function.
14068 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14069 (read_rtx_1): If we get EOF when we were looking for an initial
14070 open paren, return 0. Call read_conditions when appropriate.
14071 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14072 dummy-conditions.o. Eliminate references to insn-conditions.o,
14073 or change them to build/gencondmd.o, as appropriate. Remove
14074 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14075 from $(simple_generated_c). For all files remaining in those
14076 two lists, add insn-conditions.md to the generator command line.
14077 Give insn-constants.h/s-constants their own rules. Add rules
14078 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14079 (build/read-rtl.o): Depend on gensupport.h.
14080 (genprognormal): Include preds.
14081 (genprogearly): Rename genprognoprint; only difference is now that
14082 they don't link with $(BUILD_PRINT).
14083 * dummy-conditions.c: Delete.
14085 2006-01-22 Zack Weinberg <zackw@panix.com>
14087 * genextract.c: Don't include insn-config.h. Do include vec.h.
14088 Declare vectors of int, char, and locstr.
14089 (locstr): New typedef.
14090 (struct extraction): Make all array fields into bare pointers.
14091 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14092 (insn_code_number): Delete.
14093 (accum_extract): New struct.
14094 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14095 (gen_insn): Take insn_code_number as an argument. Use an
14096 accum_extract structure instead of loading data directly into
14097 a struct extraction, and having to know how big it might get.
14098 (walk_rtx): Operate entirely on an accum_extract structure.
14099 (print_path): Avoid unnecessary use of printf.
14100 (print_header): New function, split out of main. Distinguish
14101 more carefully between an unrecognizable insn and an insn that
14102 has the code number of a define_expand.
14103 (main): Pass insn_code_number to gen_insn. Call print_header
14104 only after parsing. Avoid unnecessary use of printf.
14105 * Makefile.in (build/vec.o): New rule.
14106 (build/genextract): Depend on build/vec.o.
14107 (build/genextract.o): Don't depend on insn-config.h.
14109 2006-01-22 Zack Weinberg <zackw@panix.com>
14111 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14112 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14113 practical. Eliminate per-generator-program link rules.
14115 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14117 PR middle-end/24437
14118 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14119 with a call expr to ...
14120 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14122 2006-01-23 Richard Guenther <rguenther@suse.de>
14124 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14125 before make_edge with conditional EDGE_TRUE_VALUE.
14127 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14128 Jan Hubicka <jh@suse.cz>
14129 Richard Guenther <rguenther@suse.de>
14131 PR rtl-optimization/25654
14132 * cfgexpand.c (aggregate_contains_union_type): New function.
14133 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14134 for structure variables that contain a union type.
14136 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14138 * gengtype.c (new_structure): Return the structure.
14139 (create_option): Add an extra "next" argument.
14140 (create_field): New function.
14141 (adjust_field_rtx_def): Use create_option and create_field.
14142 Remove a now-unnecessary call to find_structure.
14143 (adjust_field_tree_def): Likewise.
14144 (note_yacc_type): Remove an unnecessary call to find_structure.
14145 * gengtype.h (new_structure): Return the structure.
14146 (create_option): Add an extra argument.
14147 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14148 (option): Adjust calls to create_option.
14150 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14152 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14154 2006-01-22 Paul Brook <paul@codesourcery.com>
14155 Peter Barada <peter@the-baradas.com>
14157 * config/m68k/m68k.md: Add Coldfire FPU support.
14158 Define FP mode macro and associated attributes.
14159 Use it for float mode patterns.
14160 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14161 (LIBCALL_VALUE): Use m68k_libcall_value.
14162 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14163 (m68k_function_value): Ditto.
14164 (emit_move_sequence): Ditto.
14165 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14166 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14167 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14168 (MULTILIB_EXCEPTIONS): Ditto.
14169 * config/m68k/m68k.opt: Add mcfv4e.
14170 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14171 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14172 (m68k_output_function_prologue): Save ColdFire FPU registers.
14173 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14174 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14175 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14176 ColdFire FPU registers.
14177 (m68k_libcall_value, m68k_function_value): New functions.
14178 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14179 (LIBCALL_VALUE): Use m68k_libcall_value.
14180 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14181 (MASK_COLDFIRE): Add MASK_CFV4E.
14182 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14183 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14184 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14185 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14186 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14187 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14188 * doc/invoke.tex: Document -mcfv4e on m68k.
14190 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14192 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14195 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14198 * c-opts.c (c_common_handle_option): Don't include
14199 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14200 * doc/invoke.texi (C++ Dialect Options): Document that
14201 -Wnon-virtual-dtor is no longer included in -Wall.
14203 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14205 * gcov.c (print_version), gcov-dump.c (print_version),
14206 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14209 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14211 * df-scan.c (problem_SCAN): Added NULL reset function.
14212 (df_scan_reset_blocks): Added code to call reset block function
14213 (df_bb_refs_delete) Fixed comment.
14214 (df_insn_refs_delete): Made tolerant of deleting non existent info
14215 for dataflow problems that need to be reset.
14216 * df-core.c (df_set_blocks): Ditto.
14217 * df.h (struct df_problem): Added reset_fun.
14218 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14219 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14220 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14221 functions to clear out all references to def-use or use-def chains.
14223 2006-01-21 Ben Elliston <bje@au.ibm.com>
14225 * varasm.c (assemble_real): Initialise data array.
14227 2006-01-20 Paul Brook <paul@codesourcery.com>
14229 Merge from csl-arm-branch.
14230 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14231 * config/arm/arm.md (movdi): Force operands[1] to a register
14232 if we have a non-register source.
14233 (*arm_movdi, *movdf_soft_insn): Require that one of the
14234 operands be a register.
14235 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14236 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14238 2006-01-20 DJ Delorie <dj@redhat.com>
14240 * varasm.c (initializer_constant_valid_p): Allow pointers
14241 initialized from integer constants of lesser precision.
14242 (output_constant): Allow non-int-sized pointer modes to be
14243 initialized from integer constants.
14245 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14248 * cppdefault.h (struct default_include): Add multilib flag.
14249 * cppdefault.c (cpp_include_defaults): Set it.
14250 * c.opt (-imultilib): New option.
14251 * c-opts.c (imultilib): New.
14252 (c_common_handle_option): Handle -imultilib.
14253 (c_common_post_options): Likewise.
14254 * c-incpath.c (add_standard_paths, register_include_chains):
14256 * c-incpath.h (register_include_chains): Add extra parameter.
14257 * gcc.c (do_spec_1): Generate -imultilib option.
14258 (The Specs Language): Update %I description.
14259 (process_command): Update copyright notice.
14260 * doc/cppopts.texi (-imultilib): Document.
14261 * doc/invoke.texi (-imultilib): Include in option summary.
14262 (%I): Update specs documentation.
14264 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14266 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14268 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14270 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14273 2006-01-20 Richard Guenther <rguenther@suse.de>
14274 Steven Bosscher <stevenb.gcc@gmail.com>
14276 PR rtl-optimization/24626
14277 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14278 EDGE_TRUE_VALUE if in RTL mode.
14281 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14282 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14284 2006-01-20 Dirk Mueller <dmueller@suse.com>
14287 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14288 instead of a special NOP marker.
14289 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14290 NOP marker handling.
14291 * c-common.h (empty_body_warning): Add forward declaration.
14292 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14293 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14295 2006-01-20 Paul Brook <paul@codesourcery.com>
14297 * Makefile.in (lang_checks): Keep going if mkdir fails.
14299 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14301 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14302 be able to clean out basic block when not necessary.
14303 (df_scan_free): Fixed to properly delete information if df is
14304 unused before calling df_finish.
14305 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14306 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14308 (df_bb_refs_delete): New function.
14309 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14310 * df-core.c (df_set_blocks): Added code to properly clean out
14311 unused blocks if they are not part of the blocks to consider.
14312 Added additional null check.
14313 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14314 be able to clean out basic block when not necessary
14315 * df.h (df_free_bb_function): Ditto.
14316 (df_bb_refs_delete): New function.
14317 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14318 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14319 basic block parameter to be able to clean out basic block when not
14321 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14322 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14323 Fixed to properly delete information if df is unused before
14326 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14328 PR rtl-optimization/25799
14329 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14330 Corrected confluence operator to remove bits from op2 before oring
14331 with op1 rather than removing bits from op1.
14332 (df_ru_transfer_function): Corrected test on wrong bitmap which
14333 caused infinite loop. Both of these problems were introduced in
14334 the dataflow rewrite.
14336 2006-01-19 DJ Delorie <dj@redhat.com>
14338 * reload1.c (find_reload_regs): Note the details of reload
14339 failures in the dump file.
14340 (spill_failure): Likewise.
14342 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14344 * loop-iv.c: Include df.h and hashtab.h.
14345 (enum iv_grd_result): New enum.
14346 (DF_REF_IV, DF_REF_IV_SET): New macros.
14347 (struct biv_entry): New.
14348 (df, bivs): New global variables.
14349 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14350 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14352 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14353 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14354 analyzed_for_bivness_p, record_biv): New functions.
14355 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14356 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14357 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14359 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14361 (iv_number_of_iterations): Use new interface to iv analysis.
14362 * loop-unroll.c: Do not include varray.h.
14363 (analyze_iv_to_split_insn): Use new interface to iv
14365 * loop-unswitch.c (may_unswitch_on): Ditto.
14366 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14368 (df_bb_modify): Realloc tables to the new index.
14369 (df_find_use): New function.
14370 * df.h (df_find_use): Declare.
14371 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14373 * cfgloop.h (struct rtx_iv): Remove analysed field.
14374 (iv_get_reaching_def): Removed.
14375 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14376 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14377 (loop-iv.o): Add df.h and hashtab.h dependency.
14378 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14380 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14383 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14385 (__floatundisf, __floatundidf): Likewise.
14386 * libgcc2.h (IS_IBM_EXTENDED): Define.
14388 2006-01-19 DJ Delorie <dj@redhat.com>
14390 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14392 2006-01-19 Paul Brook <paul@codesourcery.com>
14394 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14395 as nothrow when unwinding tables are disabled.
14397 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14400 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14401 of bit-field" when in system header.
14403 2006-01-19 DJ Delorie <dj@redhat.com>
14405 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14406 the 16 bit shift limit of the m16c.
14408 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14411 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14412 * config/i386/i386.c (output_set_got): Output the label if we have one
14413 for the TARGET_DEEP_BRANCH_PREDICTION case.
14415 2006-01-19 Jan Hubicka <jh@suse.cz>
14416 H.J. Lu <hongjiu.lu@intel.com>
14417 Evandro Menezes <evandro.menezes@amd.com>
14419 * invoke.texi (generic): Document
14421 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14422 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14423 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14424 (x86_use_incdec, x86_pad_returns): New variables
14425 (TARGET_CPU_DEFAULT_generic): New constant
14426 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14427 (enum processor_type): Add generic32 and generic64.
14428 * i386.md (cpu attribute): Add generic32/generic64
14429 (movhi splitter): Behave sanely when both partial_reg_dependency and
14430 partial_reg_stall are set.
14431 (K8 splitters): Enable for generic as well.
14432 * predicates.md (incdec_operand): Use TARGET_INCDEC
14433 (aligned_operand): Avoid memory mismatch stalls.
14434 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14435 * ppro.md: Enable for generic32
14436 * i386.c (generic64_cost, generic32_cost): New.
14437 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14438 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14439 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14440 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14441 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14442 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14443 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14444 x86_accumulate_outgoing_args, x86_prologue_using_move,
14445 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14446 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14447 Enable for generic.
14448 (x86_use_incdec, x86_pad_returns): New.
14449 (override_options): Add generic32 and generic64, translate "generic"
14450 to generic32/generic64 and "i686" to "generic32", refuse
14451 "generic32"/"generic64" as arch target.
14452 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14453 (ix86_reorg): Honor PAD_RETURNS.
14455 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14457 * tree-pretty-print.c (dump_generic_node): Handle
14458 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14459 * cgraph.c (cgraph_expand_queue): Rename from
14460 cgraph_analyze_queue. Update all users.
14461 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14462 cgraph_expand_queue.
14463 (cgraph_expand_all_functions): Likewise.
14464 (cgraph_finalize_pending_functions): Remove. Update callers.
14466 * tree.h (OMP_DIRECTIVE_P): Define.
14467 (OMP_PARALLEL_FN): Define.
14468 (OMP_PARALLEL_DATA_ARG): Define.
14469 (OMP_SECTIONS_SECTIONS): Define.
14470 * tree-pass.h (pass_expand_omp): Declare.
14471 * omp-low.c (struct omp_region): Declare.
14472 (struct omp_context): Remove fields 'parallel_type',
14473 'parallel_start_ix' and 'parallel_start_additional_args'.
14475 (struct omp_for_data): Rename from struct expand_omp_for_data.
14476 (omp_regions): New static variable.
14477 (root_omp_region): New static variable.
14478 (find_omp_clause): Make static.
14479 (is_in_combined_parallel_ctx): Remove.
14480 (is_combined_parallel): New.
14481 (extract_omp_for_data): Move earlier in the file.
14482 (workshare_safe_to_combine_p): New.
14483 (get_ws_args_for): New.
14484 (determine_parallel_type): Move earlier in the file.
14485 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14487 (omp_copy_decl): Likewise.
14488 (create_omp_child_function): Likewise.
14489 (lookup_omp_region): New.
14490 (dump_omp_region): New.
14491 (debug_omp_region): New.
14492 (debug_all_omp_regions): New.
14493 (new_omp_region): New.
14494 (scan_omp_parallel): If parallel_nesting_level > 1, the
14495 directive is nested within another parallel directive.
14496 Set OMP_PARALLEL_FN.
14497 (scan_omp_for): Do not try to handle combined parallel+for
14499 Remove FIXME comment.
14500 (scan_omp_nested): Remove.
14501 (scan_omp_1): Do not call scan_omp_nested when
14502 parallel_nesting_level is > 1.
14503 Do not change the DECL_CONTEXT of local variables found.
14504 (lookup_decl_in_outer_ctx): New.
14505 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14506 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14507 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14508 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14509 If CTX is nested, lookup VAR in the outer context when
14510 building copy assignment.
14511 (lower_send_clauses): Rename from expand_send_clauses.
14512 If CTX is nested, lookup VAR in the outer context when
14513 building copy assignments.
14514 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14515 If CTX is nested, lookup VAR in the outer context when
14516 building copy assignments.
14517 (expand_parallel_call): Rename from build_parallel_call.
14518 Handle combined parallel+workshare cases.
14519 Re-implement to emit code into the CFG.
14521 (expand_omp_parallel): Re-implement to emit code into the CFG.
14522 Call move_sese_region_to_fn to outline the sub-graph
14523 containing the parallel region.
14524 (expand_omp_for_1): Remove.
14525 (expand_omp_for_generic): Re-implement to emit code into the
14527 (expand_omp_for_static_nochunk): Likewise.
14528 (expand_omp_for_static_chunk): Likewise.
14529 (expand_omp_for): Likewise.
14530 (expand_omp_sections): Likewise.
14531 (remove_exit_barriers): New.
14532 (expand_omp_synch): New.
14534 (build_omp_regions_1): New.
14535 (build_omp_regions): New.
14536 (execute_expand_omp): New.
14537 (gate_expand_omp): New.
14538 (pass_expand_omp): Define.
14539 (lower_omp_sections): Rename from expand_omp_sections.
14540 Set OMP_SECTIONS_SECTIONS.
14541 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14542 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14543 (lower_omp_single): Rename from expand_omp_simple.
14544 (lower_omp_master): Rename from expand_omp_master.
14545 (lower_omp_ordered): Rename from expand_omp_ordered.
14546 (lower_omp_critical): Rename from expand_omp_critical.
14547 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14548 (lower_omp_for): Re-implement.
14549 (lower_omp_parallel): Re-implement.
14550 (lower_regimplify): Rename from expand_regimplify.
14551 (lower_omp_1): Rename from expand_omp_1.
14552 If there are syntax errors in the program, replace every
14553 OpenMP directive with NOP.
14554 Call lower_omp_* instead of expand_omp_*.
14555 (lower_omp): Rename from expand_omp.
14557 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14558 * tree-gimple.h (enum omp_parallel_type): Remove.
14559 (gimple_boolify): Declare extern.
14560 (find_omp_clause, determine_parallel_type): Remove.
14562 * gimple-low.c (lower_omp_directive): New.
14563 (lower_stmt): Call it.
14564 (record_vars_into): Move from ...
14565 (record_vars): ... here.
14566 Call record_vars_into with current_function_decl.
14568 * gimplify.c (struct gimplify_ctx): Remove fields
14569 combined_pre_p and combined_ctxp. Update users.
14570 (get_formal_tmp_var): Add documentation.
14571 (gimple_boolify): Make extern.
14572 (gimplify_expr_in_ctx): Remove. Update callers.
14573 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14574 will always be a BIND_EXPR.
14575 (gimplify_expr): Handle OMP_RETURN_EXPR.
14576 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14577 (OMP_PARALLEL): Add 3 operands.
14578 (OMP_SECTIONS): Add 1 operand.
14579 (OMP_RETURN_EXPR): Define.
14581 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14582 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14583 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14584 creating a circular free list.
14585 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14587 * tree-flow.h (move_sese_region_to_fn): Declare.
14588 (record_vars_into): Declare.
14589 * tree-cfg.c (make_omp_sections_edges): New.
14590 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14591 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14592 OMP_SECTIONS and OMP_SECTION.
14593 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14594 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14595 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14596 (gather_blocks_in_sese_region): New.
14597 (struct move_stmt_d): Declare.
14598 (move_stmt_r): New.
14599 (move_block_to_fn): New.
14600 (move_sese_region_to_fn): New.
14602 * passes.c (init_optimization_passes): Schedule
14603 pass_expand_omp after pass_init_datastructures.
14605 * tree-ssa-operands.c (get_expr_operands): Handle
14606 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14607 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14609 2006-01-19 Jeff Law <law@redhat.com>
14611 * tree-vrp.c (extract_range_from_assert): Refine the result range
14612 if the variable referenced by the ASSERT_EXPR has a range and
14613 either the tentative result range or the previous range is a
14616 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14618 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14620 2006-01-19 Jan Hubicka <jh@suse.cz>
14622 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14624 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14626 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14627 (expand_compound_operation, expand_field_assignment): Fail if the
14628 bit lengths of an extract operation are out of range.
14629 (make_extraction): Compute wanted_inner_mode based on the position
14630 and length of the extraction. Make it extraction_mode for non-constant
14631 positions, and do not modify offset in that case. When generating a
14632 new MEM, use a mode that can hold the extraction while keeping correct
14633 alignment. Remove code that supported MEMs wrapped by USEs.
14634 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14636 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14638 * config/s390/s390.md ("Y", "y"): New mode attribute.
14639 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14640 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14641 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14642 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14643 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14644 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14645 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14646 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14647 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14648 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14649 "addsi3", "subsi3"): Insn patterns removed.
14650 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14651 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14652 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14653 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14654 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14655 "*sub<mode>3_cconly2"): New insn patterns.
14656 ("addsi3", "subsi3"): New expanders.
14658 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14660 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14661 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14662 existing STMT_VINFO_VECTYPE if available.
14663 (vect_mark_relevant): Add special handling for stmts that are
14664 marked as STMT_VINFO_IN_PATTERN_P.
14665 (vect_analyze_loop): Call vect_pattern_recog.
14666 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14667 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14669 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14670 (vect_recog_func_ptr): New function-pointer type.
14671 * tree-vect-patterns.c: New file.
14672 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14673 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14674 (vect_pattern_recog_1): New functions.
14675 (vect_pattern_recog_funcs): New array of function pointers.
14677 * tree-vectorizer.h (ternary_op): New enum value.
14678 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14679 declaration. Revised documentation. Removed redundant dump prints.
14680 Removed redundant argument. Added support for reduction patterns.
14681 (vectorizable_reduction): Added support for reduction patterns.
14682 (vect_transform_stmt): Added support for patterns.
14684 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14685 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14686 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14687 (expand_widen_pattern_expr): New function.
14688 (init_optabs): Initialize new optabs udot_prod_optab,
14690 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14691 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14692 (expand_widen_pattern_expr): New function declaration.
14693 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14695 * tree-inline.c (estimate_num_insns_1): Added cases for new
14696 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14697 * tree-pretty-print.c (dump_generic_node): Likewise.
14698 (op_prio): Likewise.
14699 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14700 * tree-ssa-operands.c (get_expr_operands): Added case for
14702 * tree-vect-patterns.c (widened_name_p): New function.
14703 (vect_recog_dot_prod_pattern): Added function implementation.
14704 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14705 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14706 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14707 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14709 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14710 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14711 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14712 (init_optabs): Initialize new optabs widen_ssum_optab,
14714 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14715 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14716 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14717 use instead of type of def.
14718 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14719 function implementation.
14720 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14721 widen_ssumv8hi): New.
14723 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14726 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14729 * c-decl.c (add_flexible_array_elts_to_size): New function.
14730 (finish_decl): Use it.
14732 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14734 * diagnostic.h: Include options.h.
14735 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14736 dependancies for diagnostic.h.
14737 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14739 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14741 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14742 (ssa_ro_call_cache_valid): Ditto.
14743 * tree-ssa-alias.c (sort_tags_by_id): New function.
14744 (init_transitive_clobber_worklist): Ditto.
14745 (add_to_worklist): Ditto.
14746 (mark_aliases_call_clobbered): Ditto.
14747 (compute_tag_properties): Ditto.
14748 (set_initial_properties): Ditto.
14749 (compute_call_clobbered): Ditto.
14750 (compute_may_aliases): Call compute_call_clobbered and grouping.
14751 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14752 (compute_flow_insensitive_aliasing): Grouping now happens in our
14754 (setup_pointers_and_addressables): Remove clobbering related code.
14755 (add_may_alias): Ditto.
14756 (replace_may_alias): Ditto.
14757 (get_nmt_for): Ditto.
14758 (create_global_var):
14759 (is_escape_site): Return an escape_type enumeration.
14760 * tree-flow-inline.h (is_call_clobbered): Global var does not
14761 imply call clobbered.
14762 (mark_call_clobbered): Take a reason for marking this. Remove
14763 marking of globalness, and cache invalidation.
14764 (clear_call_clobbered): Remove cache invalidation code.
14765 * tree-dfa.c (dump_variable): If details is on, dump the reason
14767 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14769 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14770 (struct var_ann_d): Ditto.
14771 (enum escape_type): New.
14772 (mark_call_clobbered): Adjust prototype.
14773 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14774 are never call clobbered.
14775 Record reasons for escaping.
14776 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14777 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14778 (ssa_ro_call_cache_valid): Ditto.
14779 (clobbered_v_may_defs): Ditto.
14780 (clobbered_vuses): Ditto.
14781 (ro_call_vuses): Ditto.
14782 (clobber_stats): New.
14783 (init_ssa_operands): Zero out clobber stats.
14784 (fini_ssa_operands): Print out clobber stats.
14785 (get_call_expr_operands): Pass callee fndecl to
14786 add_call_read_ops).
14787 (add_call_clobber_ops): Remove use of cache.
14788 Add use of PURE_CONST information.
14789 (add_call_read_ops): Remove use of cache.
14790 Add use of static not_read information.
14792 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14794 Introduce TLS descriptors for i386 and x86_64.
14795 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14796 (TARGET_ANY_GNU_TLS): New macro.
14797 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14798 (struct machine_function): Add tls_descriptor_call_expanded_p.
14799 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14800 (ix86_current_function_calls_tls_descriptor): Likewise.
14801 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14802 (override_options): Introduce gnu2 tls dialect.
14803 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14805 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14807 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14808 (ix86_init_machine_status): Initialize new field.
14809 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14810 (ix86_tls_module_base): New.
14811 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14812 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14813 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14814 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14815 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14816 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14817 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14818 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14819 * config/i386/predicates.md (tls_modbase_operand): New.
14820 (tp_or_register_operand): New.
14822 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14824 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14825 (look_for_address_of): Ditto.
14826 (ipa_init): Walk the function decls.
14827 (static_execute): Don't set readonly on FUNCTION_DECL's.
14829 2006-01-18 Roger Sayle <roger@eyesopen.com>
14831 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14832 for shifts where the source and destination registers are different.
14834 2006-01-18 Paul Brook <paul@codesourcery.com>
14836 Merge from csl-arm-branch.
14837 2005-03-14 Julian Brown <julian@codesourcery.com>
14838 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14839 (aeabi_llsl): Likewise.
14840 (ashrdi3): Likewise.
14841 (aeabi_lasr): Likewise.
14842 (lshrdi3): Likewise.
14843 (aeabi_llsr): Likewise.
14844 2005-03-10 Julian Brown <julian@codesourcery.com>
14845 * config.gcc: Disable shared libgcc for SymbianOS.
14846 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14848 2006-01-18 DJ Delorie <dj@redhat.com>
14850 * c-pragma.c (handle_pragma_diagnostic): New.
14851 (init_pragma): Register it.
14852 * doc/extend.texi: Document it.
14854 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14855 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14856 (diagnostic_context): Add classify_diagnostic[].
14857 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14858 as errors if they're overridden to DK_WARNING.
14859 (diagnostic_initialize): Initialize classify_diagnostic[].
14860 (diagnostic_set_kind_override): New.
14861 (diagnostic_report_diagnostic): Check for kind changes.
14862 * opts.c (common_handle_option): Take lang_mask. Update callers.
14863 Handle OPT_Werror_.
14864 * common.opt (Werror=): New.
14865 * doc/invoke.texi: Document -Werror=*
14867 2006-01-18 Jeff Law <law@redhat.com>
14869 * tree-vrp.c (test_for_singularity): Correct test for new
14870 min limit. Use operand_equal_p rather than pointer equality
14871 for testing if new min/max values are equal.
14873 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14874 using range information until after propagation and folding.
14876 2006-01-18 Richard Henderson <rth@redhat.com>
14877 Aldy Hernandez <aldyh@redhat.com>
14878 Jakub Jelinek <jakub@redhat.com>
14879 Diego Novillo <dnovillo@redhat.com>
14881 * omp-low.c: New file.
14882 * c-omp.c: New file.
14884 2006-01-18 Richard Henderson <rth@redhat.com>
14885 Jakub Jelinek <jakub@redhat.com>
14886 Diego Novillo <dnovillo@redhat.com>
14888 * doc/invoke.texi: Document -fopenmp.
14889 * tree-dump.h (debug_function): Declare.
14890 * hooks.c (hook_bool_tree_bool_false): New function.
14891 (hook_tree_tree_null): Remove.
14892 (hook_tree_tree_tree_null): New.
14893 * hooks.h: Update to match.
14894 * tree-pretty-print.c (debug_tree_chain): New.
14895 (print_generic_expr): Handle TDF_CHAIN.
14896 (dump_generic_node): Handle BLOCK.
14897 Do not abort with incomplete SWITCH_EXPRs.
14898 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14899 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14900 print space after directive name.
14901 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14902 Handle OMP_MASTER and OMP_ORDERED.
14903 Handle printing of OMP_BODY just in one place, goto
14904 dump_omp_body in the rest of OMP_* nodes that have
14906 Don't handle clause nodes here. Update omp statements to
14907 use dump_omp_clauses.
14908 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14909 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14910 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14911 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14912 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14913 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14914 Adjust output for GOMP_PARALLEL.
14915 (dump_omp_clauses): New.
14916 (print_declaration): Dump DECL_VALUE_EXPR.
14917 (op_symbol_1): Split out of op_symbol.
14918 (dumping_stmts): Remove. Update all users.
14919 * cgraph.c (cgraph_analyze_queue): New.
14920 (cgraph_add_new_function): New.
14921 * cgraph.h (cgraph_analyze_queue): Declare.
14922 (cgraph_add_new_function): Declare.
14923 (cgraph_lower_function): Remove.
14924 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14925 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14926 and TYPE_P nodes in its default clause.
14927 (empty_body_p): New.
14928 (tree_range_check_failed): New.
14929 (build5_stat): New.
14930 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14931 OMP_CLAUSE_REDUCTION_MERGE,
14932 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14933 OMP_CLAUSE_PRIVATE_DEBUG,
14934 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14935 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14936 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14937 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14938 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14939 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14940 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14941 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14942 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14943 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14944 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14945 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14946 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14947 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14948 (TREE_RANGE_CHECK): New.
14949 (empty_body_p): Declare.
14950 (enum omp_clause_default_kind): New.
14951 (build_string_literal): Declare.
14952 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14953 (build5_stat, build5): Declare.
14954 * tree-pass.h (TDF_CHAIN): Define.
14955 * tree-pass.h (PROP_gimple_lomp): Define.
14956 (pass_lower_omp): Declare.
14957 * diagnostic.h (debug_tree_chain): Declare.
14958 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14960 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14961 * builtins.c (build_string_literal): Make extern.
14962 * gcc.c (include_spec_function): New.
14963 (static_spec_functions): Add it.
14964 (main): Move load of libgomp.spec ...
14965 (LINK_COMMAND_SPEC): ... here.
14966 (link_gomp_spec): New.
14967 (static_specs): Include it.
14968 (LINK_COMMAND_SPEC): Add link_gomp.
14969 (GOMP_SELF_SPECS): New.
14970 (driver_self_specs): Include it.
14971 (switch_matches): Don't mark inline.
14972 (main): Load libgomp.spec.
14973 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14974 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14975 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14976 * tree-gimple.h (enum omp_parallel): Declare.
14977 (determine_parallel_type): Declare.
14978 (omp_firstprivatize_variable): Declare.
14979 (omp_reduction_init): Declare.
14980 (diagnose_omp_structured_block_errors): Declare.
14981 (struct walk_stmt_info): Add want_return_expr.
14982 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14983 (find_omp_clause): Declare.
14984 (insert_field_into_struct): Declare.
14985 (struct walk_stmt_info): Move from tree-nested.c
14986 (walk_stmts): Declare.
14987 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14989 * cgraphunit.c (cgraph_lower_function): Make static.
14990 (cgraph_finalize_pending_functions): New.
14991 (cgraph_finalize_function): Call it.
14992 (cgraph_finalize_compilation_unit): Likewise.
14993 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14994 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14995 (BT_FN_UINT_UINT): New.
14996 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14997 DEF_FUNCTION_TYPE_VAR_4): Document.
14998 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14999 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15000 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15001 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15002 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15003 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15004 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15005 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15006 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15007 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15008 into separate files.
15009 (DEF_GOMP_BUILTIN): New.
15010 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15011 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15012 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15013 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15014 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15015 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15016 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15017 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15018 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15019 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15020 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15021 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15022 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15023 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15024 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15025 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15026 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15027 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15028 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15029 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15030 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15031 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15032 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15033 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15034 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15035 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15036 * sync-builtins.def: New file, moved from builtins.def.
15037 * omp-builtins.def: New file, moved from builtins.def.
15038 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15039 * gimple-low.c (lower_function_body): Clear data.
15040 (lower_stmt): Do not handle COMPOUND_EXPR.
15041 Remove call to print_node_brief.
15042 * c-tree.h (c_finish_omp_clauses): New prototype.
15043 (C_DECL_THREADPRIVATE_P): Define.
15044 (lookup_name_no_remap, c_omp_remap_private): Remove
15045 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15046 (check_for_loop_decls): Update decl.
15047 (lookup_name_no_remap, c_omp_remap_private): Declare.
15048 (build_indirect_ref, build_modify_expr, pushdecl,
15049 pushdecl_top_level): Move to c-common.h.
15050 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15051 before the switch, but just in the 2 places that need it.
15052 * c-decl.c (diagnose_mismatched_decls): Do not check for
15053 mismatched thread-local attributes when OLDDECL is marked
15054 threadprivate and NEWDECL has no thread-local attributes.
15055 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15056 (c_gimple_diagnostics_recursively): Rename from
15057 c_warn_unused_result_recursively. Invoke
15058 diagnose_omp_structured_block_errors.
15059 (check_for_loop_decls): Return a singular decl found.
15060 * langhooks.c (lhd_omp_predetermined_sharing): Return
15061 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15062 (lhd_omp_firstprivatize_type_sizes): New.
15063 (lhd_omp_assignment): New.
15064 (lhd_omp_predetermined_sharing): New.
15065 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15066 (struct lang_hooks_for_types): Add
15067 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15068 omp_predetermined_sharing, omp_disregard_value_expr,
15069 omp_private_debug_clause, omp_clause_default_ctor,
15070 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15071 (c_finish_omp_clauses): New.
15072 (c_finish_bc_stmt): Diagnose break within omp for.
15073 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15074 (build_unary_op): Return error_mark after reporting
15076 (build_modify_expr): Likewise.
15077 * gimplify.c: Include optabs.h and pointer-set.h.
15078 (enum gimplify_omp_var_data): Declare.
15079 (struct gimplify_omp_ctx): Declare.
15080 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15082 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15083 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15084 (splay_tree_compare_decl_uid): New.
15085 (new_omp_context): New.
15086 (delete_omp_context): New.
15087 (gimple_add_tmp_var): Call omp_add_variable.
15088 (gimplify_bind_expr): Likewise.
15089 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15090 true, disregard DECL_VALUE_EXPR on the decl if any.
15091 (gimplify_expr_in_ctx): New.
15092 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15093 omp_add_variable, omp_notice_variable, omp_is_private
15094 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15095 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15096 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15097 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15098 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15099 gimplify_omp_atomic): New.
15100 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15101 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15102 OMP_CRITICAL and OMP_ATOMIC.
15103 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15104 * c-pragma.h (enum pragma_kind): Add
15105 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15106 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15107 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15108 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15109 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15110 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15111 PRAGMA_OMP_THREADPRIVATE.
15112 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15113 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15114 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15115 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15116 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15117 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15118 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15119 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15120 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15121 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15122 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15123 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15124 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15126 (struct nesting_info): Add field_map,
15127 suppress_expansion, debug_var_chain.
15128 (create_nesting_tree): Initialize them.
15129 (lookup_field_for_decl): Use field_map.
15130 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15131 (convert_local_omp_clauses): New.
15132 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15133 (walk_body): Split out of walk_function.
15134 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15135 (convert_nonlocal_reference): Handle omp statements.
15136 (convert_local_reference): Likewise.
15137 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15138 (unnest_nesting_tree): New.
15139 (lower_nested_functions): Call it.
15140 (insert_field_into_struct): Make extern.
15141 (struct walk_stmt_info): Move to tree-gimple.h.
15142 (walk_stmts): Make extern.
15143 * omp-builtins.def: New file.
15144 * tree-iterator.c (expr_only): Clarify comment.
15145 * c-common.h (pushdecl_top_level, pushdecl,
15146 build_modify_expr, build_indirect_ref,
15147 c_finish_omp_master, c_finish_omp_critical,
15148 c_finish_omp_ordered, c_finish_omp_barrier,
15149 c_finish_omp_atomic, c_finish_omp_flush,
15150 c_finish_omp_for, c_split_parallel_clauses,
15151 omp_clause_default_kind, c_omp_sharing_predetermined,
15152 c_omp_remap_decl): Declare.
15153 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15154 (OBJS-common): Add omp-low.o.
15155 (c-omp.o, omp-low.o): Add.
15156 (gimplify.o): Add dependency on $(OPTABS_H).
15157 (GTFILES): Add omp-low.c.
15158 (gt-stringpool.h): Add.
15159 * tree-cfg.c (set_bb_for_stmt): Do not update the
15160 block-to-labels map if we are currently expanding to RTL.
15161 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15163 Handle IDENTIFIER_NODE.
15164 (tree_verify_flow_info): Do not ICE when emitting error
15165 messages about invalid labels.
15166 (dump_function_to_file): Reset CFUN before emitting the body
15168 (debug_function): New.
15169 * passes.c (init_optimization_passes): Schedule
15171 * langhooks-def.h (lhd_omp_predetermined_sharing,
15172 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15174 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15175 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15176 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15177 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15178 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15179 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15180 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15181 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15182 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15183 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15184 (LANG_HOOK_DECLS): Use them.
15186 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15187 Richard Henderson <rth@redhat.com>
15188 Jakub Jelinek <jakub@redhat.com>
15189 Diego Novillo <dnovillo@redhat.com>
15191 * c-parser.c (pragma_omp_clause): Define.
15192 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15193 (c_parser_compound_statement): Likewise.
15194 (c_parser_statement): Likewise.
15195 (c_parser_pragma): Handle omp pragmas.
15196 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15197 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15198 (c_parser_omp_clause_name, check_no_duplicate_clause,
15199 c_parser_omp_variable_list,
15200 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15201 c_parser_omp_clause_copyprivate,
15202 c_parser_omp_clause_default,
15203 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15204 c_parser_omp_clause_lastprivate,
15205 c_parser_omp_clause_nowait,
15206 c_parser_omp_clause_num_threads,
15207 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15208 c_parser_omp_clause_reduction,
15209 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15210 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15211 c_parser_omp_atomic, c_parser_omp_barrier,
15212 c_parser_omp_critical, c_parser_omp_flush,
15213 c_parser_omp_for_loop, c_parser_omp_for,
15214 c_parser_omp_master, c_parser_omp_ordered,
15215 c_parser_omp_sections_scope, c_parser_omp_sections,
15216 c_parser_omp_parallel, c_parser_omp_single,
15217 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15218 * c-pragma.c (init_pragma): Do omp pragma registration here.
15219 * c.opt (fopenmp): New flag.
15221 2006-01-18 Eric Christopher <echristo@apple.com>
15223 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15224 * config/darwin.h (GOMP_SELF_SPECS): Define.
15226 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15228 * rtl.h: Remove the prototype for reg_alloc.
15230 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15233 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15234 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15235 sjlj and dwarf2 exception handling.
15236 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15237 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15238 * pa/pa.c (function_value): Treat complex and vector types as
15240 (function_arg): Likewise. Only pass scalar floats in the floating
15241 point argument registers.
15242 * pa/t-slibgcc-dwarf-ver: New file.
15243 * pa/t-slibgcc-sjlj-ver: New file.
15244 * pa/t-slibgcc-elf-ver: Delete file.
15246 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15248 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15249 unlikely_test_section_p test.
15251 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15253 * mode-switching.c (optimize_mode_switching): Make it static.
15254 * basic-block.h: Remove the prototype for
15255 optimize_mode_switching.
15257 * modulo-sched.c (sms_schedule): Make it static.
15258 * rtl.h: Remove the prototype for sms_schedule.
15260 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15261 * rtl.h: Remove the prototype for gcse_after_reload_main.
15263 * reg-stack.c (reg_to_stack): Make it static.
15264 * rtl.h: Remove the prototype for reg_to_stack.
15266 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15268 * rtl.h: Remove the prototypes for regrename_optimize and
15269 copyprop_hardreg_forward.
15271 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15273 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15274 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15275 Test against the appropriate null constant for the mode.
15276 If 'fixup_overlap' is true, swap the operands if they overlap.
15277 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15278 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15279 alpha_split_tmode_pair and adjust for above change.
15280 * config/alpha/alpha.md (movtf_internal): Adjust call to
15281 alpha_split_tfmode_pair and rely on it to swap the operands.
15282 (movti_internal): New insn and post-reload splitter.
15283 (movti): New expander.
15285 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15287 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15290 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15292 * rtlanal.c (global_reg_mentioned_p_1,
15293 global_reg_mentioned_p): Remove.
15294 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15296 * flow.c (initialize_uninitialized_subregs): Make it static.
15297 * rtl.h: Remove the prototype for
15298 initialize_uninitialized_subregs.
15300 * function.c (instantiate_virtual_regs): Make it static.
15301 * function.h: Remove the prototype for
15302 instantiate_virtual_regs.
15304 * regmove.c (regmove_optimize, combine_stack_adjustments):
15306 * rtl.h: Remove the prototypes for regmove_optimize and
15307 combine_stack_adjustments.
15309 2006-01-17 Roger Sayle <roger@eyesopen.com>
15311 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15312 (size_cost): Encode costs in bytes so that a reg-reg addition is
15313 equivalent to COSTS_N_INSNS(1).
15314 (override_options): Use the size_cost.branch_cost as the default
15315 ix86_branch_cost when optimizing for size.
15317 2006-01-18 Ben Elliston <bje@au.ibm.com>
15319 * Makefile.in (D32PBIT_FUNCS): New.
15320 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15321 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15322 D64PBIT_FUNCS and D128PBIT_FUNCS.
15323 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15324 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15326 (decnumber_dep): Define.
15327 * doc/libgcc.texi (Decimal float library routines): New node.
15328 * config/dfp-bit.h, config/dfp-bit.c: New files.
15330 2006-01-18 Ben Elliston <bje@au.ibm.com>
15332 * expr.c (emit_move_change_mode): Always adjust addresses, not
15333 just during reload. Copy replacements only during reload.
15334 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15335 emit_move_via_integer.
15337 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15339 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15340 instead of $(srcdir) and ${srcdir}.
15342 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15345 PR middle-end/11135
15346 * arm.h (struct machine_function): Add pic_reg.
15347 * arm.c (arm_pic_register): Make unsigned.
15348 (arm_override_options): Only set arm_pic_register if
15349 TARGET_SINGLE_PIC_BASE.
15350 (use_return_insn): Only test for a pic register if it is fixed.
15351 (arm_compute_save_reg0_reg12_mask): Likewise.
15352 (thumb_compute_save_reg_mask): Likewise.
15353 (legitimate_pic_operand): Factor out some known invariants.
15354 (legitimize_pic_address): If we don't have a fixed pic register,
15355 then set up a pseudo in the function entry sequence. Handle the
15356 pic base being in a pseudo.
15357 (arm_load_pic_register): Handle the pic register being in a pseudo.
15358 (arm_expand_prologue): Only set up the pic register if it is fixed.
15359 (thumb_expand_prologue): Likewise.
15360 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15361 (pic_load_addr_based_insn): Likewise.
15362 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15365 2006-01-18 Ben Elliston <bje@au.ibm.com>
15367 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15368 decimal float modes for all floating point registers.
15370 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15371 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15373 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15376 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15377 even when the pointer is not NULL.
15379 2006-01-16 Ian Lance Taylor <ian@airs.com>
15381 * common.opt (ftoplevel-reorder): New option.
15382 * cgraph.c (cgraph_asm_nodes): New global variable.
15383 (cgraph_asm_last_node): New static variable.
15384 (cgraph_order): New global variable.
15385 (cgraph_create_node): Set new order field.
15386 (cgraph_varpool_node): Likewise.
15387 (decide_is_variable_needed): Return true if not
15388 flag_toplevel_reorder.
15389 (cgraph_add_asm_node): New function.
15390 * cgraph.h (struct cgraph_node): Add order field.
15391 (struct cgraph_varpool_node): Add order field.
15392 (struct cgraph_asm_node): Define.
15393 (cgraph_asm_nodes, cgraph_order): Declare.
15394 (cgraph_add_asm_node): Declare.
15395 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15397 (cgraph_varpool_assemble_pending_decls): Call it.
15398 (cgraph_output_pending_asms): New static function.
15399 (cgraph_finalize_compilation_unit): Call it.
15400 (struct cgraph_order_sort): Define.
15401 (cgraph_output_in_order): New static function.
15402 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15403 !flag_toplevel_reorder case.
15404 * c-parser.c: Include "cgraph.h".
15405 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15407 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15408 than -fno-unit-at-a-time.
15409 * doc/invoke.texi (Option Summary): Mention
15410 -fno-toplevel-reorder.
15411 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15412 -funit-at-a-time documentation.
15414 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15415 Kazu Hirata <kazu@codesourcery.com>
15417 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15419 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15421 * Makefile.in (FUNCTION_H): New. Use it instead of
15422 function.h throughout the file.
15423 * function.h: Include tree.h.
15425 2006-01-17 Ben Elliston <bje@au.ibm.com>
15427 * recog.c: Separate some functions with whitespace.
15429 2006-01-16 Richard Henderson <rth@redhat.com>
15431 Merge from gomp branch:
15432 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15433 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15434 and rename from struct inline_data. Rename callee* to dst*;
15435 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15436 transform_new_cfg, transform_return_to_modify, and
15437 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15439 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15440 (copy_decl_for_dup): Remove.
15441 * tree-inline.c (struct inline_data): Move to header.
15442 (insert_decl_map): Export.
15443 (remap_decl): Update for member name changes. Use copy_decl hook.
15444 Allow for replacement to be a non-decl. Remove dead code.
15445 (remap_type_1): Check for existing mapping.
15446 (remap_type): Export.
15447 (remap_decls): Update for member name changes.
15448 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15449 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15450 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15451 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15452 (tree_function_versioning, build_duplicate_type): Likewise.
15453 (copy_body_r): Likewise. Export.
15454 (copy_decl_for_dup): Split into ...
15455 (copy_decl_for_dup_finish, copy_decl_to_var,
15456 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15457 (replace_ref_tree, inlining_p): Remove.
15459 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15461 * ifcvt.c (if_convert): Make it static.
15462 * rtl.h: Remove the prototype for if_convert.
15464 * local-alloc.c (local_alloc): Make it static.
15465 * rtl.h: Remove the prototype for local_alloc.
15467 * loop.c (loop_optimize): Make it static.
15468 * cfgloop.h: Remove the prototype for loop_optimize.
15471 2006-01-16 DJ Delorie <dj@redhat.com>
15473 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15476 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15478 * pa.md: Disparage copies between general and floating-point registers
15479 in 32-bit move patterns.
15481 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15484 * Makefile.in (check-%): Depend on site.exp instead of
15485 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15488 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15490 * global.c (global_alloc): Make it static.
15491 * rtl.h: Remove the prototype for global_alloc.
15493 2006-01-16 Richard Guenther <rguenther@suse.de>
15495 * tree-ssa-alias.c (struct used_part): Add write_only field.
15496 (get_or_create_used_part_for): Initialize it to true.
15497 (create_overlap_variables_for): Don't create structure variables
15498 for structures that only are written to.
15499 (find_used_portions): Handle MODIFY_EXPR to track whether a
15500 structure is only written to.
15502 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15504 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15506 * basic-block.h: Remove the prototype for
15507 partition_hot_cold_basic_blocks.
15509 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15511 * cppspec.c (lang_specific_spec_functions): Remove.
15512 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15513 * gcc.h (lang_specific_spec_functions): Remove.
15514 * gccspec.c (lang_specific_spec_functions): Remove.
15516 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15518 * combine.c (record_value_for_reg): Invalidate registers
15520 (record_dead_and_set_regs_1): Likewise, by passing them to
15521 record_value_for_reg.
15522 (record_dead_and_set_regs): Invalidate stores made by a
15523 call. We do not combine across a call, but we still
15524 relied on equivalences.
15526 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15528 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15529 vrp_int_const_binop returning non-constant nodes.
15531 2006-01-16 Paul Brook <paul@codesourcery.com>
15533 * config/m68k/m68k.c (output_move_const_into_data_reg):
15534 Output correct mnemonic for mvz and mvs.
15536 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15538 * rtl-factoring.c: Add sequence abstraction algorithm.
15539 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15540 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15542 (block_has_preserve_label): New function.
15543 * common.opt: Register new pass.
15544 * Makefile.in: Ditto.
15546 * timevar.def: Ditto.
15547 * tree-pass.h: Ditto.
15548 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15549 * rtl.h (make_jump_insn_raw): Add forward decl.
15550 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15552 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15553 Roger Sayle <roger@eyesopen.com>
15555 * fold-const.c (fold_minmax): New static function.
15556 (fold_binary) <MIN_EXPR>: Call it.
15557 <MAX_EXPR>: Likewise.
15558 * stor-layout.c (place_field): Use DECL_SIZE consistently
15559 in the computation of the new record size.
15561 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15563 * cse.c (cse_condition_code_reg): Make it static.
15564 * rtl.h: Remove the prototype for cse_condition_code_reg.
15566 * combine.c (combine_instructions): Make it static.
15567 * rtl.h: Remove the prototype for combine_instructions.
15569 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15572 * tree.c (get_file_function_name_long): Concatenate the first global
15573 object name with a string derived from the input filename of the object
15576 2006-01-16 Ben Elliston <bje@au.ibm.com>
15578 * config/i386/winnt-stubs.c: Update FSF address.
15579 * config/xtensa/ieee754-df.S: Ditto.
15580 * config/xtensa/ieee754-sf.S: Ditto.
15582 2006-01-14 Ian Lance Taylor <ian@airs.com>
15584 * ifcvt.c (noce_init_if_info): New static function, broken out of
15585 noce_process_if_block.
15586 (noce_process_if_block): Call noce_init_if_info.
15587 (check_cond_move_block): New static function.
15588 (cond_move_process_if_block): New static function.
15589 (process_if_block): Call cond_move_process_if_block.
15591 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15593 * cselib.c (hash_table): Rename to cselib_hash_table.
15594 (cselib_clear_table, discard_useless_values,
15595 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15596 cselib_init, cselib_finish): Adjust uses of hash_table.
15598 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15600 PR tree-optimization/25485
15601 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15602 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15603 is known to be false and true, respectively.
15605 2006-01-14 Richard Guenther <rguenther@suse.de>
15607 PR tree-optimization/22548
15608 PR tree-optimization/22555
15609 PR tree-optimization/22501
15610 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15611 * params.def (salias-max-array-elements): New parameter.
15612 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15613 * doc/invoke.texi (salias-max-array-elements): Document.
15614 * tree-flow-inline.h (var_can_have_subvars): We also handle
15616 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15618 * tree-ssa-structalias.c (params.h): Include.
15619 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15620 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15621 (get_constraint_for): For ADDR_EXPR operating on something
15622 containing an ARRAY_REF, add all subvars to the solution.
15623 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15624 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15625 for creating MUST_DEFs.
15626 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15628 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15630 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15632 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15633 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15634 number_of_iterations_le): New functions.
15635 (number_of_iterations_special): Removed.
15636 (number_of_iterations_exit): Do not use number_of_iterations_special.
15637 * tree.c (unsigned_type_for): Always return integer type.
15639 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15640 Richard Guenther <rguenther@suse.de>
15642 PR rtl-optimization/24257
15643 * gcse.c (find_moveable_store): Only consider a store movable
15644 when the SET_SRC of the insn can be assigned to a register.
15646 2006-01-14 Ian Lance Taylor <ian@airs.com>
15648 * tree.c (tree_not_class_check_failed): New function.
15649 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15650 (tree_not_class_check_failed): Declare.
15652 2006-01-13 Ian Lance Taylor <ian@airs.com>
15654 * reload1.c (do_output_reload): Add assertion rejecting a
15657 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15659 * combine.c (struct reg_stat): Add new fields truncation_label and
15661 (record_value_for_reg): Reset truncated_to_mode.
15662 (record_truncated_value): New function.
15663 (check_promoted_subreg): Call it. Rename to check_conversions.
15664 (combine_instructions): Rename check_promoted_subreg to
15666 (reg_truncated_to_mode): New function.
15667 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15668 (gen_lowpart_or_truncate): New function.
15669 (force_to_mode): Use it instead of gen_lowpart.
15671 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15673 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15674 VAR is a tag, not its type tag.
15676 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15678 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15679 alternatives to match style of other entries.
15680 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15682 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15684 PR tree-optimization/25771
15685 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15688 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15691 * tree-inline.c (declare_return_variable): If the return variable
15692 was marked as a non gimple complex, set the return slot variable
15693 to be a non gimple comple variable.
15695 2006-01-13 Richard Guenther <rguenther@suse.de>
15697 * builtins.c (expand_builtin_sincos): New function.
15698 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15700 (expand_builtin): Expand sincos using expand_builtin_sincos.
15702 2006-01-12 DJ Delorie <dj@redhat.com>
15704 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15705 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15706 so that constant shifts can be split.
15707 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15708 (m32c_valid_pointer_mode): Make static.
15709 (shift_gen_func_for): New.
15710 (m32c_prepare_shift): Use it. Split large const shifts into
15712 * config/m32c/predicates.md (shiftcount_operand): Allow more
15714 (longshiftcount_operand): New.
15715 * doc/md.texi (Machine Constraints): Document In6.
15717 2006-01-13 Ben Elliston <bje@au.ibm.com>
15719 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15720 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15723 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15725 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15726 to try to avoid clobbering pieces of structures when we know
15727 something about the whole structure.
15728 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15730 2006-01-13 Ben Elliston <bje@au.ibm.com>
15732 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15733 return in memory, as this is no limitation is no longer present.
15735 2006-01-12 DJ Delorie <dj@redhat.com>
15737 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15738 mova with fb, and for fb+0 -> An.
15740 * config/m32c/mov.md (peephole2): Fix enabling logic.
15742 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15743 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15744 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15745 FINI_ARRAY_SECTION_ASM_OP): Define.
15747 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15749 (m32c_legitimize_reload_address): New logic to reload FB to An.
15750 (m32c_output_reg_push): Add newline.
15751 (m32c_output_reg_pop): Likewise.
15753 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15755 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15757 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15759 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15761 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15763 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15766 2006-01-11 Ben Elliston <bje@au.ibm.com>
15768 * rtlanal.c (find_reg_note): Assert insn is not null.
15770 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15772 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15775 2006-01-11 Jeff Law <law@redhat.com>
15777 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15779 (mark_threaded_blocks, register_jump_thread): New functions.
15780 (thread_through_all_blocks): Remove unwanted argument. No
15781 longer rely on e->aux to communicate thread target info.
15782 Call mark_threaded_blocks. Release the threaded_blocks
15783 bitmap and threaded_edges vector when complete.
15784 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15785 (threaded_blocks): Remove.
15786 (tree_ssa_dominator_optimize): Remove initialization and
15787 finalization of threaded_blocks. Simplify call to
15788 thread_through_all_blocks.
15789 (thread_across_edge): Call register_jump_thread rather than
15790 storing thread information into e->aux.
15791 (free_all_edge_infos): Simplify now that e->aux is no longer
15792 used to communicate with thread_through_all_blocks.
15793 * tree-flow.h (thread_through_all_blocks): Update prototype.
15794 (register_jump_thread): Prototype.
15796 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15798 * df-core.c (df_compact_blocks, df_bb_replace): Use
15799 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15801 2006-01-11 Richard Guenther <rguenther@suse.de>
15803 PR tree-optimization/25734
15804 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15805 stop propagation after successful propagation to the LHS.
15807 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15809 * basic-block.h (control_flow_graph): Change the type of
15810 x_basic_block_info to VEC(basic_block,gc) *.
15811 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15813 (SET_BASIC_BLOCK): New.
15814 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15815 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15816 * cfgbuild.c (find_basic_blocks): Likewise.
15817 * cfglayout.c (fixup_reorder_chain): Likewise.
15818 * cfgrtl.c (create_basic_block_structure,
15819 rtl_create_basic_block): Likewise.
15820 * ifcvt.c (find_if_case_1): Likewise.
15821 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15824 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15826 * Makefile.in: Removed rotted odf.c entry.
15828 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15831 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15832 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15833 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15834 output pattern modifier, not %e.
15835 * config/cris/cris.c (cris_op_str): Update comment about pattern
15837 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15838 before falling through into...
15839 <case 'E'>: Redefined from old 'e' case.
15841 2006-01-11 Jan Hubicka <jh@suse.cz>
15844 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15846 2006-01-11 Jan Hubicka <jh@suse.cz>
15848 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15849 * i386.c (x86_decompose_lea): Kill.
15850 (ix86_rtx_costs): Kill.
15852 2006-01-11 Jan Hubicka <jh@suse.cz>
15854 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15855 * cgraph.h (cgraph_node): Add inline_decl.
15856 (cgraph_insert_node_to_hashtable): Declare.
15857 (save_inline_function_body): Declare.
15858 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15860 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15861 (cgraph_function_versioning): Update call of tree_function_versioning.
15862 (save_inline_function_body): New function.
15863 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15864 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15865 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15866 (cgraph_default_inline_p): Likewise.
15867 (cgraph_decide_inlining_incrementally): Likewise.
15868 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15869 (copy_bb): Kill saving; do updating of clones.
15870 (copy_cfg_body): Kill saving.
15871 (initialize_inlined-parameters): Likewise.
15872 (expand_call_inline): Likewise.
15874 (tree_function_versioning): New parameter "update_clones".
15875 (inlining_p): Kill saving.
15876 * tree-inline.h (tree_function_versioning): Update prototype.
15877 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15880 2006-01-11 Ian Lance Taylor <ian@airs.com>
15882 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15883 Allow undoing set of machine mode.
15884 (do_SUBST): Use enums instead of is_int.
15885 (do_SUBST_MODE): New function.
15886 (SUBST_MODE): New macro.
15887 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15888 reg and trying to replace reg_regno_rtx with a new register.
15889 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15890 (simplify_set): Use SUBST_MODE.
15891 (distribute_notes): Remove code that tried to update reg notes
15892 for regno_reg_rtx changes.
15894 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15896 PR tree-optimization/23109
15897 PR tree-optimization/23948
15898 PR tree-optimization/24123
15900 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15901 * tree-cfg.c (single_noncomplex_succ): New.
15902 * tree-flow.h (single_noncomplex_succ): Declare it.
15903 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15904 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15905 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15906 insert_bb, register_division_in, insert_reciprocals,
15907 replace_reciprocal, free_bb): New.
15908 (execute_cse_reciprocals_1): Rewritten.
15909 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15910 Do not commit any edge insertion. Always compute dominators and
15911 create the allocation pool.
15912 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15913 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15914 * targhooks.c (default_min_divistions_for_recip_mul): New.
15915 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15916 * passes.c (init_optimization_passes): Run recip after tree loop
15918 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15920 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15921 Kenneth Zadeck <zadeck@naturalbridge.com>
15923 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15924 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15925 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15926 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15927 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15928 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15929 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15930 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15931 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15932 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15933 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15934 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15935 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15936 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15937 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15938 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15939 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15940 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15941 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15942 DF_SCAN_POST_ALLOC): New macros.
15943 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15944 df_free_bb_function, df_local_compute_function, df_init_function,
15945 df_dataflow_function, df_confluence_function_0,
15946 df_confluence_function_n, df_transfer_function,
15947 df_finalizer_function, df_free_function, df_dump_problem_function,
15948 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15949 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15950 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15951 df_urec_bb_info, ) New types.
15952 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15954 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15955 df_analyze_simple_change_some_blocks,
15956 df_analyze_simple_change_one_block, df_compact_blocks,
15957 df_bb_replace, df_bb_regno_last_use_find,
15958 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15959 df_insn_regno_def_p, df_find_def, df_find_use,
15960 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15961 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15962 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15963 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15964 debug_df_chain, df_get_dependent_problem, df_chain_create,
15965 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15966 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15967 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15968 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15969 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15970 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15971 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15972 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15973 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15974 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15975 df_reorganize_refs, df_set_state, df_hard_reg_init,
15976 df_read_modify_subreg_p) New public functions.
15977 * df-core.c: The core dataflow solver and glue routines for rtl
15979 (df_init, df_add_problem, df_set_blocks, df_finish,
15980 df_hybrid_search_forward, df_hybrid_search_backward,
15981 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15982 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15983 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15984 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15985 df_reg_defined, df_find_use, df_reg_used, df_dump,
15986 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15987 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15988 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15989 debug_df_useno, reset_df_after_reload): New functions.
15990 * df-scan.c: The scanning fuctions, once in df.c, completely
15991 rewritten so that they now fully model the functionality of
15992 register usage at the backend.
15993 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15994 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15995 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15996 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15997 df_get_artificial_defs, df_get_artificial_uses,
15998 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15999 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16000 df_refs_delete, df_reorganize_refs, df_set_state,
16001 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16002 df_def_record_1, df_defs_record, df_uses_record,
16003 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16004 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16005 df_record_exit_block_uses, df_hard_reg_init): New functions.
16007 * df-problems.c: Seven concrete dataflow problems that use the
16008 scanning in df-scan.c and are solved by the engine in df-core.c.
16009 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16010 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16011 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16012 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16013 df_ru_free_bb_info, df_ru_alloc,
16014 df_ru_bb_local_compute_process_def,
16015 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16016 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16017 df_ru_transfer_function, df_ru_free, df_ru_dump,
16018 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16019 df_rd_free_bb_info, df_rd_alloc,
16020 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16021 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16022 df_rd_transfer_function, df_rd_free, df_rd_dump,
16023 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16024 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16025 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16026 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16027 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16028 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16029 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16030 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16031 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16032 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16033 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16034 df_urec_mark_reg_use_for_earlyclobber,
16035 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16036 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16037 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16038 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16039 df_chain_create_bb_process_use, df_chain_create_bb,
16040 df_chain_finalize, df_chain_free, df_chains_dump,
16041 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16042 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16043 df_reg_lifetime): New functions.
16044 * df.c: Deleted file.
16045 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16046 consistent with new df api.
16047 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16048 rest_of_handle_sms): Ditto.
16049 * web.c (unionfind_union, union_defs, entry_register, web_main):
16051 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16052 invariant_expr_equal_p, find_defs, check_dependencies,
16053 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16054 free_inv_motion_data, move_loop_invariants): Ditto.
16055 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16056 Update dependencies.
16057 (odf.c): Added defective entry that was deleted later in day.
16058 * sched-deps.c (sched_analyze_1): Ditto.
16060 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16062 * tree-ssa-operands.c (get_expr_operands): Record addressable
16063 variables directly. Do not call add_stmt_operands for CONST_DECLs
16065 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16066 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16068 2006-01-11 Ben Elliston <bje@au.ibm.com>
16070 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16071 function returns true in the positive case.
16073 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16076 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16077 for SI, DI, SF and DF modes. Add alternatives to copy between
16078 general and floating point registers to the 32-bit patterns.
16079 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16080 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16081 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16082 generating 64-bit code.
16083 * config/pa/pa.c (output_move_double): Handle copies between general
16084 and floating registers.
16086 2006-01-10 Stuart Hastings <stuart@apple.com>
16088 * config/i386/i386.md (set_got): Update.
16089 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16090 (builtin_setjmp_receiver): Mach-O support.
16091 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16092 (GOT_SYMBOL_NAME): Define.
16093 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16094 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16095 * config/i386/i386.c (override_options): Revise for Darwin.
16096 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16097 support. (darwin_x86_file_end): New. (output_set_got): Add label
16098 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16099 * config/i386/i386-protos.h (output_set_got): Likewise.
16100 * config/darwin.c (machopic_legitimize_pic_address): Update
16103 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16105 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16106 when MODE isn't BLKmode.
16108 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16110 PR rtl-optimization/25367
16111 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16113 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16116 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16117 for a negative bound.
16119 2006-01-10 Richard Guenther <rguenther@suse.de>
16121 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16122 Never override with anything constraint.
16124 2006-01-10 Jan Beulich <jbeulich@novell.com>
16126 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16127 256 bits when optimize_size.
16129 2006-01-10 Jan Beulich <jbeulich@novell.com>
16131 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16133 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16134 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16137 2006-01-10 Ben Elliston <bje@au.ibm.com>
16139 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16141 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16142 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16143 (USE_FP_FOR_ARG): Reject decimal float modes.
16144 (function_arg_advance): Likewise.
16145 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16146 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16147 point types in AltiVec vectors.
16148 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16149 (rs6000_libcall_value): Likewise.
16151 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16153 * config/xtensa/ieee754-df.S: New file.
16154 * config/xtensa/ieee754-sf.S: New file.
16155 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16156 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16157 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16159 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16161 * config/sh/predicates.md (binary_float_operator,
16162 binary_logical_operator, commutative_float_operator,
16163 equality_comparison_operator, greater_comparison_operator,
16164 less_comparison_operator, logical_operator,
16165 noncommutative_float_operator, shift_operator,
16166 symbol_ref_operand, unary_float_operator): Remove redundant
16169 2006-01-09 Jeff Law <law@redhat.com>
16171 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16172 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16173 now unused arguments. Callers updated.
16174 (eliminate_redundant_computations): Remove now unused arguments,
16176 (local_fold): Remove, no longer used.
16177 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16179 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16180 (simplify_cond): New function.
16181 (forward_propagate_into_cond): Call simplify_cond.
16183 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16185 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16186 (*vec_extractv2di_1_sse): New.
16188 2006-01-09 Ben Elliston <bje@au.ibm.com>
16190 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16192 2006-01-08 Richard Guenther <rguenther@suse.de>
16194 * tree-ssa-structalias.c (get_constraint_for): Remove
16195 anyoffset argument.
16196 (get_constraint_for_component_ref): Likewise.
16197 (do_deref): Likewise.
16198 (get_constraint_for): Likewise.
16199 (do_structure_copy): Likewise.
16200 (handle_ptr_arith): Likewise.
16201 (find_func_aliases): Likewise. Remove unused need_anyoffset
16204 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16205 Kaz Kojima <kkojima@gcc.gnu.org>
16207 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16208 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16209 (EXTRA_CONSTRAINT_C16): Remove.
16210 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16211 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16212 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16213 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16214 constants of SHmedia. Handle nested constant expressions of
16216 (andcosts): Fix the costs for SHmedia constants.
16217 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16218 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16219 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16220 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16221 (movv4hi_i, movv2si_i): Likewise.
16222 (movsi_const): Adjust the second operand of ior so to match with
16223 the Csu constraint.
16224 (movdi_const, movdi_const_32bit): Likewise.
16225 (movdi_const_16bit+1): Don't sign-extend LOW.
16226 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16228 (*double_shori): Fix the split condition. Use GEN_INT instead
16229 of get_int_mode calls. Mask lower 16-bit of the argument of
16231 (sym2GOTPLT): Remove.
16232 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16234 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16235 instead of EXTRA_CONSTRAINT_C16.
16237 2006-01-07 Ian Lance Taylor <ian@airs.com>
16238 David Edelsohn <edelsohn@gnu.org>
16240 PR rtl-optimization/25662
16241 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16242 for constant operands instead of simplify_gen_binary.
16243 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16244 after trying simplify_binary_operation
16246 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16248 * tree.c (iterative_hash_expr): Hash decls based on UID.
16250 2006-01-06 Eric Christopher <echristo@apple.com>
16252 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16253 (TARGET_UNWIND_EMIT): Fix spelling.
16254 * target.h (gcc_target): Add except_table_label.
16255 * except.c (output_function_exception_table): Use.
16256 * varasm.c (default_emit_except_table_label): New.
16257 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16259 (asm_out): Add here.
16260 * output.h (default_emit_except_table_label): Prototype.
16261 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16262 * config/darwin.c (darwin_emit_except_table_label): Define.
16263 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16265 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16267 PR tree-optimization/18527
16268 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16269 number_of_iterations_special, number_of_iterations_exit):
16270 Move base and step of an iv to a single structure. Add
16271 no_overflow flag, and use it in # of iterations analysis.
16272 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16273 folded_casts argument.
16274 (simple_iv): Pass base and step in a structure. Set no_overflow
16276 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16277 Evaluate expensiveness of computing # of iterations instead of
16278 the final expression.
16279 * tree-scalar-evolution.h (affine_iv): New structure.
16280 (simple_iv): Declaration changed.
16281 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16282 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16283 find_givs_in_stmt): Changed due to simple_iv change.
16285 2006-01-06 Jeff Law <law@redhat.com>
16288 * tree-cfg.c (bsi_replace): Rename final argument from
16289 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16290 change (stmt -> orig_stmt).
16291 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16292 (bsi_remove): Add new argument. Remove EH information
16294 (verify_eh_throw_table_statements): New function.
16295 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16297 * tree-optimize.c (execute_free_cfg_annotations): Verify
16298 the EH throw statement table after removing annotations.
16299 * except.h (verify_eh_throw_table_statements): Prototype.
16300 * tree-flow.h (bsi_remove): Update prototype.
16301 * tree-vrp.c (remove_range_assertions): Add new argument to
16303 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16304 * tree-complex.c (expand_complex_div_wide): Likewise.
16305 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16306 * tree-tailcall.c (eliminate_tailcall): Likewise.
16307 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16308 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16309 * tree-nrv.c (tree_nrv): Likewise.
16310 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16311 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16312 (combine_blocks): Likewise.
16313 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16314 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16315 (cleanup_control_flow): Likewise.
16316 (remove_forwarder_block): Likewise.
16317 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16318 * tree-sra.c (sra_replace): Likewise.
16319 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16320 (forward_propagate_single_use_vars): Likewise.
16321 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16322 * tree-inline.c (expand_call_inline): Likewise.
16323 * tree-vect-transform.c (vect_transform_loop): Likewise.
16324 * tree-outof-ssa.c (rewrite_trees): Likewise.
16325 * tree-cfg.c (make_goto_expr_edges): Likewise.
16326 (cleanup_dead_labels): Likewise.
16327 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16328 (bsi_move_before, bsi_move_after): Likewise.
16329 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16330 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16332 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16335 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16337 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16338 on non gimple variables. Also add checks at the top for decls and
16340 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16342 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16343 and IMAGPART_EXPR for creating MUST_DEFs.
16344 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16345 and NAME_MEMORY_TAG separately from the DECLs.
16347 2006-01-06 Richard Guenther <rguenther@suse.de>
16349 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16350 annotation, if necessary.
16351 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16352 redundant calls to update_stmt.
16353 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16356 2006-01-05 Richard Henderson <rth@redhat.com>
16358 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16360 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16362 * c-typeck.c: Update copyright date.
16364 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16366 * c-typeck.c (build_c_cast): Always warn when casting
16367 from a pointer to an integer of different size, even if
16368 the node was constant.
16370 2006-01-05 Richard Guenther <rguenther@suse.de>
16372 PR tree-optimization/22555
16373 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16374 if one structure field is an array.
16375 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16376 operands even if we found a subvar, but ignore VOPs in this
16378 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16380 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16382 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16384 PR middle-end/24998
16385 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16387 2006-01-05 Richard Guenther <rguenther@suse.de>
16388 Diego Novillo <dnovillo@redhat.com>
16390 * tree-pass.h (TODO_remove_unused_locals): Define.
16391 * gimple-low.c (expand_var_p, remove_useless_vars,
16392 pass_remove_useless_vars): Remove. Update all users.
16393 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16394 (remove_unused_locals): New function.
16395 * tree-flow.h (remove_unused_locals): Declare.
16396 * passes.c (execute_todo): Call remove_unused_locals if
16397 TODO_remove_unused_locals is set.
16398 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16399 * tree-ssa-dce.c (pass_dce): Likewise.
16400 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16402 2006-01-05 Richard Guenther <rguenther@suse.de>
16404 * tree-flow.h (struct fieldoff): Decompose field to
16405 type, size and decl.
16406 * tree-ssa-alias.c (create_sft): Take type as parameter.
16407 (create_overlap_variables_for): Store type, size and decl
16408 in the fieldoff structure.
16409 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16410 of struct fieldoff.
16411 (push_fields_onto_fieldstack): Likewise.
16412 (create_variable_info_for): Likewise. Use offset for the
16413 SFT name if the decl is not available.
16415 2006-01-04 Paul Brook <paul@codesourcery.com>
16417 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16419 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16421 * lambda-code.c (can_put_in_inner_loop): Relax
16423 (can_put_after_inner_loop): New function.
16424 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16425 (perfect_nestify): Change to make copies and modify uses.
16427 2006-01-04 Richard Henderson <rth@redhat.com>
16429 Merge from gomp branch:
16430 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16431 via integer constant.
16432 (pragma_lex): Remove.
16433 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16434 rather than parsing it.
16435 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16436 handle_pragma_extern_prefix): Add %< %> quotes.
16437 (registered_pragmas): New.
16438 (c_register_pragma_1): New.
16439 (c_register_pragma): Use it.
16440 (c_register_pragma_with_expansion): Likewise.
16441 (c_invoke_pragma_handler): New.
16442 (init_pragma): Use cpp_register_deferred_pragma directly for
16444 * c-pragma.h (enum pragma_kind): New.
16445 (pragma_handler): New.
16446 (c_invoke_pragma_handler): Declare.
16447 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16449 * c-common.h (c_common_pch_pragma): Update decl.
16450 * Makefile.in (c-parser.o): Update dependencies.
16451 (GTFILES): Add c-pragma.h.
16452 * c-parser.c (struct c_token): Add pragma_kind.
16453 (struct c_parser): Add in_pragma.
16454 (c_lex_one_token): Always initialize keyword and pragma_kind.
16455 Extract data for CPP_PRAGMA.
16456 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16457 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16458 Don't allow CPP_PRAGMA_EOL if in_pragma.
16459 (c_parser_consume_pragma): New.
16460 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16461 (c_parser_skip_to_end_of_parameter): Likewise.
16462 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16463 (c_parser_skip_to_pragma_eol): New.
16464 (c_parser_external_declaration): Handle CPP_PRAGMA.
16465 (c_parser_compound_statement_nostart): Likewise.
16466 (c_parser_statement_after_labels): Likewise.
16467 (c_parser_pragma): New.
16468 (pragma_lex): Likewise.
16469 (c_parser_pragma_pch_preprocess): New.
16470 (c_parser_new): Merge into ...
16471 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16473 2006-01-04 Jeff Law <law@redhat.com>
16476 * tree-cfg.c (bsi_replace): Remove the original statement
16477 from the EH throw statement table.
16479 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16481 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16482 make the prototype extern "C" and add throw ().
16485 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16486 and pos non-negative and pos + len <= 32.
16487 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16488 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16489 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16492 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16493 as well as sizes not multiple of component size.
16496 * function.c (instantiate_expr): New function.
16497 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16498 walk its DECL_VALUE_EXPR with instantiate_expr.
16500 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16501 DW_OP_deref{,_size} if address isn't going to be added.
16503 2006-01-04 Ben Elliston <bje@au.ibm.com>
16505 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16506 * config/fp-bit.c: Likewise.
16508 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16510 * dominance.c: Add comment about why we use DFS numbering
16513 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16514 Richard Henderson <rth@redhat.com>
16516 Merge from gomp-branch:
16517 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16518 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16520 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16522 PR rtl-optimization/25578
16523 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16524 pass a parameter to simplify_shift_const if changing ASHIFTRT
16527 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16529 * builtins.c (get_builtin_sync_mem): New function.
16530 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16531 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16532 Call get_builtin_sync_mem to generate mem rtx.
16534 2006-01-03 Richard Guenther <rguenther@suse.de>
16537 * stmt.c (add_case_node): Make sure to clear overflow flags
16540 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16542 Merge from gomp-branch.
16543 * config/sparc/sync.md: New file.
16544 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16545 UNSPECV_LDSTUB): New constants.
16546 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16547 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16548 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16551 2006-01-03 Roger Sayle <roger@eyesopen.com>
16553 * combine.c (reg_subword_p): New predicate to test whether the
16554 destination of a set refers to a subword/piece of a register.
16555 (try_combine): Generalize the code to merge the setting of a
16556 pseudo to a constant followed by a set of a subword of that
16557 register to a constant.
16559 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16561 * basic-block.h (control_flow_graph): Change the type of
16562 x_label_to_block_map to VEC(basic_block,gc) *.
16563 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16564 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16566 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16567 VEC(basic_block,heap) *.
16568 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16569 ssa_prop_fini): Adjust the uses of cfg_blocks.
16571 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16573 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16575 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16576 hashing trees instead of a pointer hash.
16577 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16578 compare for MEM_EXPR.
16580 PR rtl-optimization/25130
16581 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16582 when comparing MEMs for GCSE
16584 2006-01-03 Ben Elliston <bje@au.ibm.com>
16586 * targhooks.h (default_decimal_float_supported_p): Declare.
16587 * targhooks.c (default_decimal_float_supported_p): Define.
16588 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16589 `default_decimal_float_supported_p'.
16590 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16592 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16594 * combine.c (apply_distributive_law <SUBREG>): Check
16595 TRULY_NOOP_TRUNCATION.
16597 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16599 * dwarf2out.c (have_switched_text_section): Delete.
16600 (have_multiple_function_sections): New.
16601 (have_location_lists): Make 'bool'.
16602 (add_AT_loc_list): Use 'true' not '1'.
16603 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16604 (output_loc_list): Use have_multiple_function_sections.
16605 (output_ranges): Likewise.
16606 (dwarf2out_begin_function): Set have_multiple_function_sections if
16608 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16609 Check function_section rather than DECL_SECTION_NAME.
16610 (dwarf2out_finish): Use have_multiple_function_sections.
16611 Don't clear have_location_lists.
16613 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16614 Jan Hubicka <jh@suse.cz>
16616 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16617 case of conditional jump jumping to the next instruction.
16618 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16619 cases of conditional jump jumping to the next instruction.
16621 2006-01-02 Jan Hubicka <jh@suse.cz>
16623 * i386.c (*_cost): Add COSTS_N_INSNS.
16624 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16626 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16629 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16631 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16633 * config/arm/arm.c (all_fpus): Fix comment typo.
16634 * config/darwin.c: Likewise.
16635 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16636 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16637 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16639 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16641 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16642 (rs6000_split_compare_and_swapqhi): New.
16643 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16644 (sync_compare_and_swapqhi_internal): New.
16645 * config/rs6000/rs6000-protos.h: Declare.