1 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3 * except.h (output_function_exception_table): Add 'const char*' param.
4 * except.c (switch_to_exception_section): Add 'const char*' param.
5 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6 and flag_function_sections is set, use a function-specific section.
7 (output_function_exception_table): Add 'const char*' param.
8 Adjust call to switch_to_exception_section.
9 * final.c (rest_of_handle_final): Adjust calls to
10 output_function_exception_table.
11 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
12 * config.in: Regenerate.
13 * configure: Likewise.
15 2006-10-28 Richard Guenther <rguenther@suse.de>
18 * fold-const.c (maybe_canonicalize_comparison_1): Helper
19 for maybe_canonicalize_comparison.
20 (maybe_canonicalize_comparison): New function for canonicalizing
22 (fold_comparison): Call it to canonicalize comparisons with
25 2006-10-28 Richard Guenther <rguenther@suse.de>
28 * builtins.c (expand_builtin_int_roundingfn_2): Expand
29 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
30 (expand_builtin): Adjust likewise.
31 * genopinit.c (optabs[]): Add lround optab.
32 * optabs.c (init_optabs): Initialize lround_optab.
33 * optabs.h (enum convert_optab_index): Add COI_lround.
34 (lround_optab): Define.
35 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
36 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
38 (ix86_expand_lround): New function.
39 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
41 * doc/md.texi (lroundMN2): Document.
43 2006-10-28 Uros Bizjak <uros@kss-loka.si>
46 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
47 argument to HOST_WIDE_INT. Update function prototype.
48 (round_frame_size): Change return type to HOST_WIDE_INT. Change
49 "size" argument to HOST_WIDE_INT. Update function prototype.
51 2006-10-28 Uros Bizjak <uros@kss-loka.si>
53 * config/i386/i386.c (output_387_ffreep): Create output from a
54 template string for !HAVE_AS_IX86_FFREEP.
56 2006-10-27 Eric Christopher <echristo@apple.com>
58 * config/darwin.c: Fix formatting and grammar.
60 2006-10-27 Jan Hubicka <jh@suse.cz>
62 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
63 to be thrown away soon when IGNORE is set.
64 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
65 indicating when return value shall not be computed.
66 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
68 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
70 * config/i386/i386.h (TARGET_GEODE):
71 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
72 (TARGET_CPU_DEFAULT_geode): New macro.
73 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
74 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
75 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
76 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
77 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
79 (TARGET_CPU_DEFAULT_NAMES): Add geode.
80 (processor_type): Add PROCESSOR_GEODE.
82 * config/i386/i386.md: Include geode.md.
85 * config/i386/i386.c (geode_cost): New initialized global
87 (m_GEODE, m_K6_GEODE): New macros.
88 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
89 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
90 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
91 x86_schedule): Use m_K6_GEODE instead of m_K6.
92 (x86_movx, x86_cmove): Set up m_GEODE.
93 (x86_integer_DFmode_moves): Clear m_GEODE.
94 (processor_target_table): Add entry for geode.
95 (processor_alias_table): Ditto.
97 * config/i386/geode.md: New file.
99 * doc/invoke.texi: Add entry about geode processor.
101 2006-10-27 Mike Stump <mrs@apple.com>
103 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
104 __DYNAMIC__ from here back to ...
105 * config/darwin.h (CPP_SPEC): ... here.
107 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
108 Nathan Sidwell <nathan@codesourcery.com>
110 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
111 when choosing the minimum heapsize.
113 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
115 * gcc/unwind-dw2.h: Move cfa-related variables into
116 struct frame_state_reg_info to ensure that the CFA is properly
117 handled when executing DW_CFA_{remember,restore}_state.
118 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
119 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
120 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
121 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
122 gcc/config/rs6000/linux-unwind.h,
123 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
124 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
125 Modify to use new cfa_* fields.
127 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
129 * config/s390/s390.c (s390_init_frame_layout): Check positive
132 2006-10-26 Ben Elliston <bje@au.ibm.com>
134 * gimplify.c (get_name): Remove extraneous break.
135 (gimplify_omp_for): Initialise ret with GS_OK.
137 2006-10-25 Steve Ellcey <sje@cup.hp.com>
139 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
140 Add unix98.o to link line.
142 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
145 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
146 Calculate compile-time constants using MPFR.
147 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
148 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
150 2006-10-25 Bob Wilson <bob.wilson@acm.org>
152 * config/xtensa/lib2funcs.S: Use C-style comments.
154 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
156 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
157 (file_table_relative_p): Likewise.
158 (dwarf2out_finish): Likewise.
159 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
161 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
163 * tree-ssa-structalias.c (intra_create_variable_infos):
164 Don't recreate nonlocal_all if it already exists.
166 2006-10-25 Richard Guenther <rguenther@suse.de>
169 * optabs.h (enum optab_index): Remove OTI_lrint.
170 (enum convert_optab_index): Add COI_lrint.
171 (lrint_optab): Adjust.
172 (expand_sfix_optab): Declare.
173 * optabs.c (expand_sfix_optab): New function.
174 (init_optabs): Init lrint_optab as conversion optab.
175 * genopinit.c (lrint_optab): Change to a conversion optab.
176 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
177 expansion via conversion optab.
178 * config/i386/i386.md (*fistdi2_1): Remove
179 flag_unsafe_math_optimizations guard.
180 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
181 fist<mode>2_with_temp): Likewise.
182 (lrint<mode>2): Split into...
183 (lrintxf<mode>2): ... x87 part
184 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
185 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
186 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
187 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
188 * doc/md.texi (lrintMN2): Document.
190 2006-10-25 Uros Bizjak <uros@kss-loka.si>
193 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
194 Use inc and dec instructions for TARGET_USE_INCDEC.
195 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
196 ("sync_double_compare_and_swap<mode>"): Likewise.
197 ("*sync_double_compare_and_swapdi_pic"): Likewise.
198 ("*sync_compare_and_swap_cc<mode>"): Likewise.
199 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
200 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
201 ("sync_old_add<mode>"): Likewise.
202 ("sync_lock_test_and_set<mode>"): Likewise.
203 ("sync_lock_test_and_set<mode>"): Likewise.
204 ("sync_add<mode>"): Likewise.
205 ("sync_sub<mode>"): Likewise.
206 ("sync_ior<mode>"): Likewise.
207 ("sync_and<mode>"): Likewise.
208 ("sync_xor<mode>"): Likewise.
210 2006-10-25 Uros Bizjak <uros@kss-loka.si>
212 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
213 (remainder_optab): Define corresponding macro.
214 (drem_optab): Remove.
215 * optabs.c (init_optabs): Initialize remainder_optab. Remove
216 drem_optab initialization.
217 * genopinit.c (optabs): Implement remainder_optab using
218 remainder?f3 patterns. Remove drem_optab.
219 * builtins.c (expand_builtin_mathfn_2): Handle
220 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
221 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
222 expand_builtin_mathfn_2.
224 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
225 depend on flag_unsafe_math_optimizations.
227 * config/i386/i386.md ("remaindersf3", "remainderdf3")
228 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
229 Do not depend on flag_unsafe_math_optimizations. Use
230 truncxf?f expander instead of truncxf?f_i387_noop.
232 ("fpremxf4", "fprem1xf4"): Do not depend on
233 flag_unsafe_math_optimizations.
234 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
235 flag_unsafe_math_optimizations. Use truncxf?f expander
236 instead of truncxf?f_i387_noop.
238 * doc/md.texi (fmod, remainder): Document standard named pattern.
240 2006-10-24 Richard Sandiford <richard@codesourcery.com>
241 David Daney <ddaney@avtrex.com>
244 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
246 2006-10-25 Ben Elliston <bje@au.ibm.com>
248 * doc/extend.texi (Variable Attributes): Typo fix.
250 2006-10-24 Uros Bizjak <uros@kss-loka.si>
252 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
253 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
254 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
255 (FRAME_POINTER_REGNUM): Update register number to 21.
256 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
257 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
259 * config/i386/i386.c (regclass_map): Add fpcr entry.
260 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
262 (print_reg): Assert REGNO (x) != FPCR_REG.
264 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
265 (DIRFLAG_REG): Renumber.
266 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
267 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
268 (sse_prologue_save, *sse_prologue_save_insn): Renumber
269 hardcoded SSE register numbers.
271 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
272 hardcoded MMX register numbers.
274 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
277 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
278 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
280 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
281 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
282 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
283 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
285 2006-10-24 Richard Guenther <rguenther@suse.de>
288 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
289 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
290 for deciding optimizations in consistency with fold-const.c
291 (fold_builtin_unordered_cmp): Likewise.
293 2006-10-24 Richard Guenther <rguenther@suse.de>
295 * builtins.c (fold_builtin_floor): Fold floor (x) where
296 x is nonnegative to trunc (x).
297 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
298 nonnegative to FIX_TRUNC_EXPR.
300 2006-10-24 Richard Guenther <rguenther@suse.de>
302 PR tree-optimization/29567
303 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
304 for TRUTH_NOT_EXPR. Clarify comments.
306 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
309 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
310 at compile-time using MPFR. Change parameter VALUE to FUNC,
312 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
313 for overflow and underflow at all times and avoid folding in
316 2006-10-24 Ben Elliston <bje@au.ibm.com>
318 * reload1.c: Formatting fixes.
320 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
322 PR tree-optimization/14784
323 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
324 * tree-ssa-structalias.c (get_constraint_for,
325 intra_create_variable_infos): Set is_heapvar.
326 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
327 non-heapvar pointer variables specially.
329 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
332 * builtins.c (fold_builtin_sin, fold_builtin_cos,
333 fold_builtin_tan): Fold all constant arguments. Take a "type"
334 argument as necessary.
336 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
338 2006-10-23 Bob Wilson <bob.wilson@acm.org>
340 * config/xtensa/lib1funcs.asm: Use C-style comments.
342 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
344 * tree.c (local_define_builtin): Replace calls to
345 lang_hooks.builtin_function with add_builtin_function.
346 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
348 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
350 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
351 common code to add_builtin_function.
352 * langhooks.c (add_builtin_function): New function.
353 (lhd_builtin_function): New function.
354 * langhooks.h (struct lang_hooks): Change the signature of
356 (add_builtin_function): New function.
357 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
358 calls to lang_hooks.builtin_function with add_builtin_function.
359 * c-common.c (decl_builtin_1): Replace calls to
360 lang_hooks.builtin_function with add_builtin_function.
361 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
362 lang_hooks.builtin_function with add_builtin_function.
363 * config/frv/frv.c (def_builtin): Replace calls to
364 lang_hooks.builtin_function with add_builtin_function.
365 * config/s390/s390.c (s390_init_builtins): Replace calls to
366 lang_hooks.builtin_function with add_builtin_function.
367 * config/sparc/sparc.c (def_builtin): Replace calls to
368 lang_hooks.builtin_function with add_builtin_function.
369 * config/i386/i386.c (def_builtin): Replace calls to
370 lang_hooks.builtin_function with add_builtin_function.
371 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
372 lang_hooks.builtin_function with add_builtin_function.
373 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
374 lang_hooks.builtin_function with add_builtin_function.
375 * config/stormy16/stormy16.c (xstormy16_init_builtins):
376 Replace calls to lang_hooks.builtin_function with
377 add_builtin_function.
378 * config/iq2000/iq2000.c (def_builtin):
379 Replace calls to lang_hooks.builtin_function with
380 add_builtin_function.
381 * config/ia64/ia64.c (def_builtin): Replace calls to
382 lang_hooks.builtin_function with add_builtin_function.
383 * config/rs6000/rs6000.c (def_builtin): Replace calls to
384 lang_hooks.builtin_function with add_builtin_function.
385 (altivec_init_builtins): Replace calls to
386 lang_hooks.builtin_function with add_builtin_function.
387 * config/arm/arm.c (def_mbuiltin): Replace calls to
388 lang_hooks.builtin_function with add_builtin_function.
389 (arm_init_tls_builtins): Replace calls to
390 lang_hooks.builtin_function with add_builtin_function.
391 * config/mips/mips.c (mips_init_builtins): Replace calls to
392 lang_hooks.builtin_function with add_builtin_function.
393 * config/bfin/bfin.c (def_builtin): Replace calls to
394 lang_hooks.builtin_function with add_builtin_function.
395 * langhooks-def.h (lhd_builtin_function): New function.
396 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
398 2006-10-23 Jakub Jelinek <jakub@redhat.com>
400 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
401 BUILT_IN_STRNCAT_CHK.
403 2006-10-23 Jan Hubicka <jh@suse.cz>
405 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
406 don't do conversion from memmove to memcpy here.
407 (expand_builtin_bcopy, expand_builtin): Update call of
408 expand_builtin_memmove.
409 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
411 2006-10-23 Paul Brook <paul@codesourcery.com>
413 * stor-layout.c (start_record_layout): maximum_field_alignment
414 overrides STRUCTURE_SIZE_BOUNDARY.
416 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
418 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
419 nonlocal function symbols if flag_pic.
421 2006-10-23 Richard Guenther <rguenther@suse.de>
425 * builtins.c (fold_binary): Remove checks for flag_wrapv
426 and flag_trapv where negate_expr_p covers these cases.
428 2006-10-23 Richard Guenther <rguenther@suse.de>
431 * fold-const.c (fold_plusminus_mult_expr): Check exact power
432 of two on the absolute value.
433 (fold_binary): Fold x * -C to -x * C if x is easily negatable
434 and negating -C does not overflow.
436 2006-10-23 Richard Guenther <rguenther@suse.de>
439 * convert.c (convert_to_real): Fold (float)-x to -(float)x
440 only if not flag_rounding_math.
442 2006-10-22 Richard Sandiford <richard@codesourcery.com>
443 Kaz Kojima <kkojima@gcc.gnu.org>
446 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
447 SImode memory reference for the source of a movua.
448 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
449 (movua): Use an unspec instead of sign_extract. Expect the source
450 to have mode BLKmode.
451 (extv, insv): Use a BLKmode rather than SImode memory reference
452 for the source of a movua.
454 2006-10-22 Jeff Law <law@redhat.com>
455 Richard Guenther <rguenther@suse.de>
457 PR tree-optimization/15911
458 * tree-vrp.c (extract_code_and_val_from_cond): New function.
459 (register_edge_assert_for_1): Likewise.
460 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
461 (find_conditional_asserts): Adjust for new function signature.
462 (find_assert_locations): Likewise.
464 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
466 * config/i386/tmmintrin.h: Remove the duplicated content.
468 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
470 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
471 (x86_64-*-*): Likewise.
473 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
474 (override_options): Check SSSE3.
475 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
476 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
477 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
478 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
479 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
480 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
481 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
482 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
483 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
484 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
485 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
486 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
487 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
488 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
489 IX86_BUILTIN_PABSD128.
490 (bdesc_2arg): Add SSSE3.
491 (bdesc_1arg): Likewise.
492 (ix86_init_mmx_sse_builtins): Support SSSE3.
493 (ix86_expand_builtin): Likewise.
494 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
496 * config/i386/i386.md (UNSPEC_PSHUFB): New.
497 (UNSPEC_PSIGN): Likewise.
498 (UNSPEC_PALIGNR): Likewise.
499 Include mmx.md before sse.md.
501 * config/i386/i386.opt: Add -mssse3.
503 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
504 (ssse3_phaddwv4hi3): Likewise.
505 (ssse3_phadddv4si3): Likewise.
506 (ssse3_phadddv2si3): Likewise.
507 (ssse3_phaddswv8hi3): Likewise.
508 (ssse3_phaddswv4hi3): Likewise.
509 (ssse3_phsubwv8hi3): Likewise.
510 (ssse3_phsubwv4hi3): Likewise.
511 (ssse3_phsubdv4si3): Likewise.
512 (ssse3_phsubdv2si3): Likewise.
513 (ssse3_phsubswv8hi3): Likewise.
514 (ssse3_phsubswv4hi3): Likewise.
515 (ssse3_pmaddubswv8hi3): Likewise.
516 (ssse3_pmaddubswv4hi3): Likewise.
517 (ssse3_pmulhrswv8hi3): Likewise.
518 (ssse3_pmulhrswv4hi3): Likewise.
519 (ssse3_pshufbv16qi3): Likewise.
520 (ssse3_pshufbv8qi3): Likewise.
521 (ssse3_psign<mode>3): Likewise.
522 (ssse3_psign<mode>3): Likewise.
523 (ssse3_palignrti): Likewise.
524 (ssse3_palignrdi): Likewise.
525 (abs<mode>2): Likewise.
526 (abs<mode>2): Likewise.
528 * config/i386/tmmintrin.h: New file.
530 * doc/extend.texi: Document SSSE3 built-in functions.
532 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
534 2006-10-22 Ira Rosen <irar@il.ibm.com>
536 * tree-vect-transform.c (vectorizable_load): Use the type of the
537 return value of the mask_for_load builtin to create realign_load
540 2006-10-22 Richard Sandiford <richard@codesourcery.com>
542 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
545 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
547 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
548 (UNSPEC_LDDQU): This.
549 * config/i386/sse.md (sse3_lddqu): Updated.
551 2006-10-21 Richard Guenther <rguenther@suse.de>
553 * builtins.c (expand_builtin_int_roundingfn_2): New function.
554 (expand_builtin): Use it to expand lrint instead of
555 expand_builtin_mathfn.
557 2006-10-21 Uros Bizjak <uros@kss-loka.si>
560 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
561 flag_unsafe_math_optimizations is set.
563 2006-10-21 Uros Bizjak <uros@kss-loka.si>
566 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
567 patterns to use memory input operand in x87->mem->XMM
568 reload sequences. Skip transformation for TARGET_K8.
570 2006-10-21 Uros Bizjak <uros@kss-loka.si>
572 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
573 force operand1 to register if both operands are memory operands.
574 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
575 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
576 if both operands are memory operands.
577 (truncdfsf2): Do not force operand1 to register if both operands
580 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
582 * Makefile.in (LIBS): Add $(GMPLIBS).
583 * doc/install.texi: Update GMP and MPFR requirements.
584 * doc/sourcebuild.texi (need_gmp): Delete.
586 2006-10-21 Richard Guenther <rguenther@suse.de>
588 PR tree-optimization/3511
589 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
590 got new invariant arguments during PHI translation.
592 2006-10-21 Richard Guenther <rguenther@suse.de>
595 * fold-const.c (fold_comparison): Fold signed comparisons
596 of the form X +- C1 CMP Y +- C2.
598 2006-10-21 Richard Guenther <rguenther@suse.de>
601 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
602 if flag_unsafe_math_optimizations is specified. We have
603 flag_finite_math_only for that.
604 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
605 or flag_unsafe_math_optimizations.
607 2006-10-21 Richard Guenther <rguenther@suse.de>
609 * builtins.c (fold_builtin_classify): Fix typo.
611 2006-10-21 Richard Guenther <rguenther@suse.de>
614 * simplify-rtx.c (simplify_const_relational_operation):
615 Do not constant-fold ORDERED and UNORDERED for
616 flag_unsafe_math_optimizations but only we do not need to
617 honor NaNs for the given mode.
619 2006-10-21 Richard Guenther <rguenther@suse.de>
622 * config/i386/i386.c (classify_argument): Remove redundant
623 walking of the BINFOs.
624 (contains_128bit_aligned_vector_p): Likewise.
626 2006-10-20 Mark Mitchell <mark@codesourcery.com>
628 * BASE-VER: Set to 4.3.0.
630 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
632 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
633 (tree_decl_with_vis): Remove artificial_pta_var flag.
634 * tree-flow.h (referenced_var_check_and_insert): Expose.
635 (nonlocal_all): New prototype.
636 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
637 (nonlocal_all): Make global.
638 (nonlocal_lookup): Remove.
639 (nonlocal_insert): Ditto.
640 (create_nonlocal_var): Do not call nonlocal_insert.
641 (get_nonlocal_id_for_type): Remove.
642 (find_global_initializers): Mark new vars we find for renaming.
643 (intra_create_variable_infos): Only create one nonlocal.
644 (expand_nonlocal_solutions): Remove.
645 (compute_points_to_sets): Don't call it.
646 (ipa_pta_execute): Ditto.
647 (init_alias_heapvars): Don't create nonlocal_for_type.
648 (delete_alias_heapvars): Don't remove it.
649 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
652 2006-10-19 Brooks Moses <bmoses@stanford.edu>
654 * doc/install.texi (Downloading GCC): Clarify mention of
655 Fortran in the "full distribution" description.
657 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
659 Fix PR tree-optimization/28778
660 Fix PR tree-optimization/29156
661 Fix PR tree-optimization/29415
662 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
663 (tree_decl_with_vis): Add artificial_pta_var flag.
664 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
666 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
667 (nonlocal_all): Ditto.
668 (struct variable_info): Add directly_dereferenced member.
669 (var_escaped_vars): New variable.
670 (escaped_vars_tree): Ditto.
671 (escaped_vars_id): Ditto.
672 (nonlocal_vars_id): Ditto.
673 (new_var_info): Set directly_dereferenced.
674 (graph_size): New variable
675 (build_constraint_graph): Use graph_size.
676 (solve_graph): Don't process constraints that cannot change the
677 solution, don't try to propagate an empty solution to our
679 (process_constraint): Set directly_dereferenced.
680 (could_have_pointers): New function.
681 (get_constraint_for_component_ref): Don't process STRING_CST.
682 (nonlocal_lookup): New function.
683 (nonlocal_insert): Ditto.
684 (create_nonlocal_var): Ditto.
685 (get_nonlocal_id_for_type): Ditto.
686 (get_constraint_for): Allow results vector to be empty in the case
688 Handle results of calls properly.
689 (update_alias_info): Update alias info stats on number and type of
691 (find_func_aliases): Use could_have_pointers.
692 (make_constraint_from_escaped): Renamed from
693 make_constraint_to_anything, and changed to make constraints from
695 (make_constraint_to_escaped): New function.
696 (find_global_initializers): Ditto.
697 (create_variable_info_for): Make constraint from escaped to any
698 global variable, and from any global variable to the set of
700 (intra_create_variable_infos): Deal with escaped instead of
701 pointing to anything.
702 (set_uids_in_ptset): Do type pruning on directly dereferenced
704 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
705 (init_base_vars): Fix comment, and initialize escaped_vars.
706 (need_to_solve): Removed.
707 (find_escape_constraints): New function.
708 (expand_nonlocal_solutions): Ditto.
709 (compute_points_to_sets): Call find_escape_constraints and
710 expand_nonlocal_solutions.
711 (delete_points_to_sets): Don't fall off the end of the graph.
712 (init_alias_heapvars): Initialize nonlocal_for_type and
714 (delete_alias_heapvars): Free nonlocal_for_type and null out
717 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
719 * fold-const.c (add_double): Rename to add_double_with_sign.
720 Add 'unsigned_p' parameter and take it into account for the overflow.
721 (mul_double): Rename to mul_double_with_sign.
722 Add 'unsigned_p' parameter and take it into account for the overflow.
723 (fold_div_compare): Call add_double_with_sign instead of add_double
724 and mul_double_with_sign instead of mul_double, passing them the
725 unsignedness of the type.
726 * tree.h (add_double): Macroize.
727 (add_double_with_sign): New prototype.
728 (mul_double): Macroize.
729 (mul_double_with_sign): New prototype.
731 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
733 * config/score/crti.asm: New file.
734 * config/score/crtn.asm: New file.
735 * config/score/elf.h: New file.
736 * config/score/mac.md: New file.
737 * config/score/misc.md: New file.
738 * config/score/mul-div.S: New file.
739 * config/score/predicates.md: New file.
740 * config/score/score7.md: New file.
741 * config/score/score.c: New file.
742 * config/score/score-conv.h: New file.
743 * config/score/score.h: New file.
744 * config/score/score.md: New file.
745 * config/score/score-mdaux.c: New file.
746 * config/score/score-mdaux.h: New file.
747 * config/score/score-modes.def: New file.
748 * config/score/score.opt: New file.
749 * config/score/score-protos.h: New file.
750 * config/score/score-version.h: New file.
751 * config/score/t-score-elf: New file.
752 * config.gcc: Add score*-*-* configurations(Update before).
753 * doc/invoke.texi (Score Options): New section.
754 * doc/md.texi (Score family): New section to document constraints.
756 2006-10-19 Nick Clifton <nickc@redhat.com>
758 * config/arm/arm.c: Fix spelling typo.
760 2006-10-18 Tom Tromey <tromey@redhat.com>
762 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
764 2006-10-18 Jan Hubicka <jh@suse.cz>
767 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
770 2006-10-18 Marcin Dalecki <martin@dalecki.de>
772 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
773 TSI_SAME_STMT, since that's the desired entity.
775 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
777 * config/s390/contraints.md: New file.
778 * config/s390/s390-protos.h (s390_mem_constraint,
779 s390_O_constraint_str, s390_N_constraint_str,
780 s390_float_const_zero_p): Function prototypes added.
781 * config/s390/s390.c (s390_extra_constraint_str,
782 s390_const_double_ok_for_constraint_p,
783 s390_const_ok_for_constraint_p): Functions removed.
784 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
785 s390_float_const_zero_p): New functions.
786 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
787 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
788 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
789 Macro definitions removed.
790 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
791 s390_extra_constraint_str): Functions removed.
793 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
794 Richard Sandiford <richard@codesourcery.com>
797 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
798 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
800 2006-10-16 Geoffrey Keating <geoffk@apple.com>
802 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
803 (DWARF2_FRAME_REG_OUT): Likewise.
804 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
805 (DWARF2_FRAME_REG_OUT): Likewise.
807 2006-10-17 Paul Brook <paul@codesourcery.com>
809 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
811 2006-10-16 Brooks Moses <bmoses@stanford.edu>
813 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
814 Standardize on "GNU Fortran" as the official name of the Fortran
817 2006-10-16 Mike Stump <mrs@apple.com>
819 * doc/invoke.texi (Darwin Options): Document -mkernel.
820 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
822 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
823 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
824 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
825 (OS_MISSING_ALTIVEC): Add.
826 * config/i386/i386.c (override_options): Add
827 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
828 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
829 -mkernel, -static or -mdynamic-no-pic is given.
830 (C_COMMON_OVERRIDE_OPTIONS): Add.
831 * config/darwin.opt (fapple-kext): Add.
833 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
834 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
836 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
837 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
838 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
839 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
840 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
842 (flag_apple_kext): Add.
843 (TARGET_KEXTABI): Add.
844 * config/darwin.c (darwin_handle_kext_attribute): Add.
845 (DARWIN_VTABLE_P): Add.
846 (darwin_binds_local_p): Add partial support for rebinding vtables
848 (darwin_kextabi_p): Add.
849 (darwin_override_options): Add.
850 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
851 (darwin_kextabi_p): Add.
852 (darwin_override_options): Add.
853 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
854 __DYNAMIC__ and __STATIC__ here.
856 2006-10-16 Brooks Moses <bmoses@stanford.edu>
858 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
859 Added mention of "make pdf" target, and Texinfo requirements for
862 2006-10-16 DJ Delorie <dj@redhat.com>
864 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
865 into the GOT in case we need a subreg of the address.
867 2006-10-16 Richard Guenther <rguenther@suse.de>
870 * doc/extend.texi (X86 Built-in Functions): Fix typos in
871 SSE builtin documentation. Document SSE2 builtins.
873 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
875 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
876 symbol in the output file for non-shared links when -nostdlib or
877 -nodefaultlibs isn't specified.
879 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
880 posix thread support.
882 2006-10-15 Jan Hubicka <jh@suse.cz>
885 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
886 declared always_inline even when not inlining.
888 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
889 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
890 Andrew Pinski <pinskia@gmail.com>
893 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
895 2006-10-15 Jan Hubicka <jh@suse.cz>
896 Richard Guenther <rguenther@suse.de>
899 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
900 process_function_and_variable_attributes on all variables, including
901 those discovered during cgraph construction phase.
903 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
905 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
907 2006-10-14 Uros Bizjak <uros@kss-loka.si>
909 * config/i386/athlon.md (athlon_fist): Add fisttp.
911 2006-10-13 David Edelsohn <edelsohn@gnu.org>
912 Ian Lance Taylor <ian@airs.com>
915 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
916 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
919 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
921 * config/score/score.c, config/score/score.h: Fix comment
924 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
927 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
930 2006-10-13 Eric Christopher <echristo@apple.com>
932 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
934 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
937 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
938 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
939 alignment supported by 32-bit ELF.
941 2006-10-13 Eric Christopher <echristo@apple.com>
943 * config/darwin.c (darwin_emit_unwind_label): Strip
944 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
946 2006-10-13 Richard Guenther <rguenther@suse.de>
948 PR tree-optimization/29446
949 * tree-vrp.c (fix_equivalence_set): Remove.
950 (extract_range_from_assert): Do not call fix_equivalence_set.
951 (debug_value_range): Print a newline.
952 (compare_name_with_value): For equivalence sets with
953 inconsistent value ranges conservatively bail out.
954 (compare_names): Likewise.
956 2006-10-13 David Edelsohn <edelsohn@gnu.org>
958 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
959 and MPFR for gfortran.
961 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
963 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
964 alignment supported by 32-bit ELF.
966 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
970 * c-typeck.c (digest_init): Always allow initializing vectors
971 that have static storage duration with compound literals.
972 * tree.c (build_type_attribute_qual_variant): New, based on
973 build_type_attribute_variant.
974 (build_type_attribute_variant): Rewrite using the former.
975 (make_vector_type): Use build_type_attribute_qual_variant to build
976 type variants. Use type_hash_canon on the others.
978 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
979 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
981 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
983 2006-10-12 Jan Hubicka <jh@suse.cz>
986 * c-decl.c (c_make_fname_decl): Do not segfault in case where
987 current_function_decl is set but current_function_scope is not.
989 2006-10-12 Jie Zhang <jie.zhang@analog.com>
991 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
992 emit_insn to emit eh_return_internal instruction.
993 (eh_return_internal): Explicitly set pc.
995 2006-10-11 Richard Guenther <rguenther@suse.de>
997 PR tree-optimization/28230
998 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
999 to the correct place.
1001 2006-10-11 Richard Guenther <rguenther@suse.de>
1004 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1007 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1009 * configure.ac: Added pdf to "Make-hooks"
1010 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1011 targets and *.pdf file patterns in cleanup targets.
1012 * configure: Regenerated.
1014 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1016 * config/avr/predicates.md: New file.
1017 * config/avr/avr.md: Include it.
1018 (REG_SP): New constant.
1019 (peepholes): Use predicates.
1020 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1021 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1022 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1024 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1026 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1029 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1032 * builtins.c (var_decl_component_p): New function.
1033 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1034 single entry optimization to variables and components thereof.
1036 2006-10-10 Richard Guenther <rguenther@suse.de>
1038 PR rtl-optimization/29323
1039 * except.c (set_nothrow_function_flags): For functions
1040 that do not bind local bail out early.
1042 2006-10-10 Ben Elliston <bje@au.ibm.com>
1044 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1047 2006-10-09 Richard Henderson <rth@redhat.com>
1049 Revert emutls patch.
1051 2006-10-09 Richard Guenther <rguenther@suse.de>
1054 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1057 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1060 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1061 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1062 * configure: Regenerate.
1063 * config.in: Regenerate.
1065 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1067 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1069 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1071 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1072 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1073 Remove stray newline.
1075 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1077 * config/mips/mips.c (mips_classify_symbol): Do not return
1078 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1079 (mips_in_small_data_p): Tweak comments.
1081 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1083 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1085 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1087 * gimplify.c, sched-int.h: Fix comment typos.
1089 * sched-int.h: Fix comment typos.
1091 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1093 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1095 * sched-ebb.c (begin_schedule_ready): Use them.
1096 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1097 add_to_speculative_block, create_check_block_twin, speculate_insn,
1098 fix_jump_move, move_block_after_check): Ditto.
1099 * sched-rgn.c (new_ready): Ditto.
1101 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1103 PR rtl-optimization/29128
1104 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1105 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1106 allow interblock movement of speculation checks.
1108 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1111 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1112 casted to integer type.
1113 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1114 if they are significantly more expensive than [reg + index] ones.
1116 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1118 PR tree-optimization/29330
1119 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1120 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1121 on newly allocated ddrs.
1122 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1123 to VEC (loop_p, heap) pointer.
1124 (compute_data_dependences_for_loop): Adjust caller.
1125 (free_dependence_relations): Free DDR_LOOP_NEST.
1127 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1128 free DEPENDENCE_RELATIONS and DATAREFS.
1131 * builtins.c (expand_builtin_sync_operation,
1132 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1133 Use convert_to_mode to handle promoted arguments.
1135 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1137 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1139 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1141 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1143 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1145 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1146 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1147 Use <modeconstraint> instead of "r" as operand 1 constraint.
1149 2006-10-06 Olivier Hainque <hainque@adacore.com>
1151 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1152 Don't recurse on the pointed-to type.
1153 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1154 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1155 types with components of variable size.
1157 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1159 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1161 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1163 PR tree-optimization/29290
1164 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1168 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1169 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1172 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1173 the number of vector elements fill the rest with zeros.
1175 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1177 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1178 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1181 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1183 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1184 unnamed pattern into subsi3. Use correct constraints/predicates.
1185 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1186 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1188 2006-10-05 Ira Rosen <irar@il.ibm.com>
1190 * doc/loop.texi: Add data references analysis description.
1192 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1194 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1196 2006-10-04 Richard Henderson <rth@redhat.com>
1197 Jakub Jelinek <jakub@redhat.com>
1199 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1200 * builtin-types.def (BT_WORD): Make unsigned.
1201 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1202 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1203 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1204 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1205 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1206 * cgraph.c (decide_is_variable_needed): Look at force_output.
1207 Recurse for emulated tls.
1208 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1209 checks redundant with decide_is_variable_needed.
1210 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1211 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1213 * expr.c (emutls_var_address): New.
1214 (expand_expr_real_1): Expand emulated tls.
1215 (expand_expr_addr_expr_1): Likewise.
1216 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1217 * output.h (emutls_finish): Declare.
1218 * toplev.c (compile_file): Call it.
1219 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1220 address before wrapping in CONST.
1221 * varasm.c (emutls_htab, emutls_object_type): New.
1222 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1223 (get_emutls_object_name, get_emutls_object_type): New.
1224 (get_emutls_init_templ_addr, emutls_decl): New.
1225 (emutls_common_1, emutls_finish): New.
1226 (assemble_variable): When emulating tls, swap decls; generate
1227 constructor for the emutls objects.
1228 (do_assemble_alias): When emulating tls, swap decl and target name.
1229 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1231 * emutls.c: New file.
1232 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1233 tls_object for real tls.
1235 2006-10-04 Zack Weinberg <zackw@panix.com>
1237 Fix bug in constraint-check generator, reported by Rask Ingemann
1239 * genpreds.c (add_constraint): Don't remove anything from the
1241 (write_tm_constrs_h): Detect whether "op" argument is used, and
1242 mark it ARG_UNUSED if it isn't.
1243 (write_insn_const_int_ok_for_constraint): Skip the part of the
1244 expression that would test whether "op" (which is not available
1245 here) is a CONST_INT.
1247 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1250 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1252 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1254 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1255 current Leopard versions.
1256 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1258 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1260 * doc/install.texi: Fix typos.
1262 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1264 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1265 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1266 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1268 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1270 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1271 arg to be struct mach_header_64* instead.
1273 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1276 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1277 side effects after the outer expression's post side effects.
1279 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1281 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1282 comments to reflect actual behavior and relationship between
1283 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1285 * doc/c-tree.texi (Working with declarations): Fix documentation
1286 of FIELD_DECL likewise.
1288 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1291 * doc/extend.texi: Add used variable attribute description.
1293 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1296 * c.opt (Woverride-init): New.
1297 * c-opts.c (c_common_post_options): Default warn_override_init to
1299 * c-typeck.c (add_pending_init, output_init_element): Warn for
1300 overriding initializers without side effects.
1301 * doc/invoke.texi (-Woverride-init): Document.
1304 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1306 PR rtl-optimization/28096
1307 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1308 assignment has already been used as a destination earlier in the block.
1310 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1312 * builtins.c (expand_builtin_setjmp): Delete.
1313 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1314 <BUILT_IN_SETJMP_SETUP>: New case.
1315 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1316 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1317 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1318 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1319 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1320 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1321 (lower_function_body): Initialize it to false. If it is set to true
1322 at the end of the processing, emit the setjmp dispatcher.
1323 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1324 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1325 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1326 on the rhs of the assignment.
1327 (lower_builtin_setjmp): New function.
1328 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1329 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1330 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1331 to detect calls that can go to non-local labels. Use specific
1332 helper to create the abnormal edges associated with them.
1333 <MODIFY_EXPR>: Likewise.
1334 (make_abnormal_goto_edges): New function extracted from...
1335 (make_goto_expr_edges): ...here. Call it for computed gotos.
1336 (simple_goto_p): Minor tweak.
1337 (tree_can_make_abnormal_goto): New predicate.
1338 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1339 (tree_purge_dead_abnormal_call_edges): New function.
1340 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1341 (tree_purge_dead_abnormal_call_edges): Likewise.
1342 (make_abnormal_goto_edges): Likewise.
1343 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1344 Purge all dead abnormal edges if the call was in the last statement.
1345 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1346 (execute_fixup_cfg): If there are non-local labels in the function,
1347 scan the basic blocks and split them at calls that can go to non-local
1348 labels or add missing abnormal call edges. Write down the CFG in the
1350 (pass_fixup_cfg): Remove TODO_dump_func flag.
1351 * unwind-sjlj.c: Poison setjmp.
1352 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1353 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1354 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1355 (DONT_USE_BUILTIN_SETJMP): Document it.
1357 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1360 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1361 to 1 when __ppc64__ is defined.
1362 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1364 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1366 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1368 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1369 * config/ia64/unwind-hpux.c: Delete.
1371 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1373 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1374 on the element before gimplifying it, instead of punting if it is of
1377 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1379 * doc/loop.texi: New file.
1380 * doc/gccint.texi: Reference loop.texi.
1381 * Makefile.in (loop.texi): Add.
1383 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1385 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1387 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1388 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1390 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1392 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1394 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1396 * doc/install.texi: Document required versions of GMP and MPFR.
1398 2006-09-27 Paul Brook <paul@codesourcery.com>
1401 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1403 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1405 * reload1.c (alter_reg): Require the alignment of the stack slot to
1406 be at least reg_max_ref_width bytes.
1407 (scan_paradoxical_subregs): Record the largest width in
1410 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1414 * tree-nested.c (struct nesting_info): Added static_chain_added.
1415 (convert_call_expr): Set static_chain_added when adding static
1416 chain. Handle OMP_PARALLEL and OMP_SECTION.
1418 2006-09-25 Matthias Klose <doko@debian.org>
1420 * doc/invoke.texi: Add missing full stop.
1422 2006-09-25 Richard Henderson <rth@redhat.com>
1424 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1425 before cgraph_function_flags_ready.
1427 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1428 Adam Nemet <anemet@caviumnetworks.com>
1430 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1431 determine_common_wider_type): New functions.
1432 (get_computation_aff): Use them to simplify arithmetic between
1433 UBASE and CBASE if they are shortened from the same type.
1435 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1438 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1439 -2147483647 - 1 instead of 0x80000000.
1441 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1443 * flags.h (HONOR_NANS): Fix typo in comment.
1445 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1447 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1449 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1453 * tree.c (merge_attributes, attribute_list_contained): If both
1454 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1456 * c-typeck.c (comptypes_internal): Don't consider aggregates
1457 in different TUs as compatible if there one set of attributes is
1458 not a subset of the other type's attributes.
1459 (composite_type): Try harder not to create a new aggregate type.
1461 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1463 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1464 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1465 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1466 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1467 than replicating condition above.
1468 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1470 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1471 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1472 the linker by default.
1474 2006-09-22 Mike Stump <mrs@apple.com>
1476 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1479 2006-09-22 Richard Guenther <rguenther@suse.de>
1482 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1483 sort of stack variables stable.
1485 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1488 * explow.c (force_reg): Set REG_POINTER flag according to
1491 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1493 PR tree-optimization/28888
1494 * tree-if-conv.c (combine_blocks): Rewritten.
1495 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1496 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1498 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1500 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1503 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1505 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1507 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1509 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1511 2006-09-21 Roger Sayle <roger@eyesopen.com>
1514 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1515 dw_fde_current_label, to be the start of the function, i.e. the same
1516 value as dw_fde_begin.
1518 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1520 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1521 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1522 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1523 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1524 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1525 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1526 (abs<mode>2, neg<mode>2): Likewise.
1527 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1528 (*mips_abs_ps): New define_insn.
1530 2006-09-20 Josh Conner <jconner@apple.com>
1533 * calls.c (expand_call): Allow reuse of structure return stack
1536 2006-09-20 Paul Brook <paul@codesourcery.com>
1538 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1541 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1543 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1544 clean up terminology.
1546 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1549 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1550 with tablejumps in them.
1552 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1555 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1556 wrap it into TARGET_EXPR.
1558 2006-09-20 Eric Christopher <echristo@apple.com>
1560 * config/i386/i386.c (x86_fisttp): Remove.
1561 * config/i386/i386.h (x86_fisttp): Ditto.
1562 (TARGET_FISTTP): Ditto.
1564 2006-09-19 Eric Christopher <echristo@apple.com>
1566 * doc/tm.texi (OBJC_JBLEN): Describe.
1567 * config/i386/darwin.h (OBJC_JBLEN): Define.
1568 * config/rs6000/darwin.h: Ditto.
1570 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1572 PR rtl-optimization/21299
1573 * reload1.c (reload): Purge invalid ASMs in the final pass.
1575 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1578 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1579 pointers as legitimate constants.
1581 2006-09-19 Paul Brook <paul@codesourcery.com>
1584 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1586 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1588 PR tree-optimization/28887
1589 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1590 component parts from the reference.
1591 (gather_memory_references_ref): Record the reference without the
1592 nonaddressable component parts.
1594 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1597 * c-opts.c (c_common_handle_option): Ignore the -std options
1598 if the input language is assembly.
1600 2006-09-17 Ira Rosen <irar@il.ibm.com>
1603 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1605 (ptr_ptr_may_alias_p): Likewise.
1606 (record_record_differ_p): New function.
1607 (base_object_differ_p): Call record_record_differ_p.
1609 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1612 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1613 away for the expr argument.
1615 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1618 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1619 before using it for dumping after vectorizing loops.
1621 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1622 Jack Howarth <howarth@bromo.med.uc.edu>
1625 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1626 skip on error_mark_node.
1627 (rs6000_darwin64_record_arg_recurse): Likewise.
1629 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1631 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1632 * doc/rtl.texi: Remove related documentation.
1634 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1636 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1639 2006-09-15 Jim Wilson <wilson@specifix.com>
1641 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1642 Handle symbol offsets same as they are handled in ia64_expand_move
1645 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1647 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1648 Add forgotten parameter to the fprintf call.
1650 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1652 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1654 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1656 * doc/contrib.texi: Add my entry.
1658 2006-09-15 Nick Clifton <nickc@redhat.com>
1660 * doc/md.texi (Processor pipeline description): Fix typo in
1661 example of how to use the absence_set directive and reword the
1662 description to make it slightly easier to read.
1664 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1666 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1667 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1668 expanding the number of iterations.
1669 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1671 * cfgrtl.c (emit_insn_at_entry): New function.
1672 * rtl.h (emit_insn_at_entry): Declare it.
1673 * integrate.c (emit_initial_value_sets): Use it.
1675 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1677 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1679 (struct loop_work and related VEC declarations): Delete.
1680 (bfin_dump_loops): Print out new member bad.
1681 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1682 (bfin_scan_loop): Don't recurse.
1683 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1684 loops. No longer need to update outer loops if the current one is
1685 found bad. Move some validitiy checks to bfin_discover_loop.
1686 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1687 but changed not to check for nesting. Also changed to use the new bad
1689 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1690 time. Use bitmap based test to discover loop nesting.
1692 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1694 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1697 2006-09-14 Richard Guenther <rguenther@suse.de>
1698 Kazu Hirata <kazu@codesourcery.com>
1700 PR middle-end/28884.
1701 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1702 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1703 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1704 with TARGET_FUNCTION_VALUE.
1706 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1709 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1711 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1713 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1716 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1719 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1722 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1724 * basic_block.h (bb_has_eh_pred): Fix comment.
1726 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1728 * flow.c (calculate_global_regs_live): Invalidate eh registers
1729 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1730 (propagate_block): Handle eh registers as if they were set at basic
1732 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1734 * global.c (global_conflicts): Make eh registers to conflict with
1735 pseudos live at basic block begin.
1736 * basic_block.h (bb_has_eh_pred): New function.
1738 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1740 PR rtl-optimization/28982
1741 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1742 index of a PRE_MODIFY or POST_MODIFY address.
1743 * reload1.c (inc_for_reload): Use find_replacement on the original
1744 base and index registers.
1746 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1748 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1749 for -Os. Update __m128 alignment requirement.
1751 2006-09-13 Jan Hubicka <jh@suse.cz>
1753 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1755 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1757 PR rtl-optimization/28243
1758 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1759 the insn to which the note was originally attached.
1761 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1762 Roger Sayle <roger@eyesopen.com>
1764 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1765 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1766 on platforms that don't use dwarf for debug info.
1768 2006-09-12 Jason Merrill <jason@redhat.com>
1771 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1772 hard_frame_pointer_rtx after using it to update the frame pointer.
1774 2006-09-12 Roger Sayle <roger@eyesopen.com>
1776 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1777 (TARGET_ASM_CLOSE_PAREN): Likewise.
1778 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1779 (TARGET_ASM_CLOSE_PAREN): Likewise.
1781 2006-09-12 Roger Sayle <roger@eyesopen.com>
1784 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1785 frame information for frames larger than 512 Kbytes on Tru64 when
1786 using the native assembler.
1788 2006-09-12 Roger Sayle <roger@eyesopen.com>
1792 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1793 and symbols. Instead use the implementation from cse.c's hash_rtx.
1795 2006-09-12 Jan Hubicka <jh@suse.cz>
1797 PR rtl-optimization/28071
1798 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1799 (vect_transform_loop): Likewise.
1800 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1801 (new_loop_vec_info): Likewise.
1802 (destroy_loop_vec_info): Likewise.
1803 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1804 (create_stmt_ann): Likewise.
1805 (create_tree_ann): Rename to ...
1806 (create_tree_common_ann): ... this one; allocate only the common part
1808 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1809 (get_value_handle): Likewise.
1810 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1811 get_tree_common_ann.
1812 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1813 (vinfo_for_stmt): Use stmt annotations.
1814 * tree-flow.h (tree_ann_common_t): New type.
1815 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1816 (tree_ann, get_tree_ann, create_tree_ann): New.
1817 * tree-flow-inline.h (get_function_ann): Do more type checking.
1818 (stmt_ann): Likewise.
1819 (tree_ann): Rename to ...
1820 (tree_common_ann): ... this one; return ony common_ann
1821 (get_tree_ann): Rename to ...
1822 (tree_common_ann): This one; return only common_ann.
1823 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1826 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1828 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1829 with_cpu by default.
1831 * dwarf2out.c (dwarf_file_data): New.
1832 (enum dw_val_class): Add dw_val_class_file.
1833 (struct dw_val_struct): Add val_file.
1834 (file_table): Change to a hash table.
1835 (file_table_emitted): Delete.
1836 (file_table_last_lookup_index): Delete.
1837 (emitcount): Delete.
1838 (last_emitted_file): New.
1839 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1840 (init_file_table): Delete.
1841 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1842 (AT_addr): Add comment.
1846 (print_die): Handle dw_val_class_file.
1847 (print_dwarf_line_table): Update for new file table structure.
1848 (attr_checksum): Do checksum a filename.
1849 (same_dw_val_p, same_attr_p): Do compare a filename.
1850 (size_of_die): Handle dw_val_class_file.
1851 (value_format): Likewise.
1852 (output_die): Likewise. Also, call maybe_emit_file here.
1853 (struct file_info): Constify filenames. Make file_idx a pointer
1854 to a struct dwarf_file_data.
1855 (struct dir_info): Constify directory names. Remove 'used' field.
1856 (struct file_name_acquire_data): New.
1857 (file_name_acquire): New.
1858 (output_file_names): Modify to handle new file data structures.
1859 (add_src_coords_attributes): Use add_AT_file.
1860 (add_call_src_coords_attributes): Likewise.
1861 (dwarf2out_imported_module_or_decl): Likewise.
1862 (gen_subprogram_die): Modify for new file data structures.
1863 (gen_variable_die): Likewise.
1864 (file_table_eq): New.
1865 (file_table_hash): New.
1866 (file_table_last_lookup): New.
1867 (lookup_filename): Rewrite to handle new file data structures.
1868 (maybe_emit_file): Rewrite to handle new file data structures.
1869 (dwarf2out_source_line): Always call lookup_filename and
1871 (dwarf2out_init): Create file_table here.
1872 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1873 (file_table_relative_p): New.
1874 (dwarf2out_finish): Change detection of relative filenames
1875 to work with new file data structures. Move output_line_info call
1876 after debug_info output.
1878 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1883 * config/i386/i386.c (override_options): Always default to 16
1884 byte stack boundary.
1886 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1889 * var-tracking.c (dump_dataflow_set): Start dumping at
1891 (clobber_variable_part): Kill only the variable part in
1892 registers holding it, leaving other variables alone.
1894 2006-09-11 Josh Triplett <josh@freedesktop.org>
1896 * doc/extend.texi (Other Builtins): Actually use the macro
1897 argument in the documentation example for
1898 __builtin_types_compatible_p.
1900 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1902 PR rtl-optimization/28726
1903 * sched-deps.c (sched_analyze_reg): New function extracted from...
1904 (sched_analyze_1): ...here. Call it to analyze references to
1905 registers. Treat again writes to a stack register as writing to the
1907 (sched_analyze_2): ...and here. Call it to analyze references to
1908 registers. Treat again reads of a stack register as reading the
1911 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1912 David Edelsohn <edelsohn@gnu.org>
1915 * config/rs6000/spe.md (frob_df_di): Remove %H.
1916 (frob_di_df): Remove %H. Change evmergelo to mr.
1917 (frob_di_df_2): Remove %H. Change evldd to two loads.
1919 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1921 * doc/cpp.texi: Fix names of charset options.
1923 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1926 * config/i386/i386.c (override_options): Use 128-bit
1927 stack boundary always for 64bits.
1929 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1931 PR rtl-optimization/28636
1932 * combine.c (force_to_mode): Test for side-effects before
1933 substituting by zero.
1934 (simplify_shift_const): Likewise for zero or other constants.
1936 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1939 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1942 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1945 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1946 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1947 returned by mode_for_size, rather than the mode of src itself,
1948 to choose between 32-bit and 64-bit patterns.
1949 (mips_mem_fits_mode_p): New function.
1950 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1951 that the size of the source matches the size of the destination.
1952 (mov_<store>l, mov_<store>r): Likewise.
1954 2006-09-10 Eric Christopher <echristo@apple.com>
1956 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1959 2006-09-09 Eric Christopher <echristo@apple.com>
1962 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1965 2006-09-09 Roger Sayle <roger@eyesopen.com>
1966 Nicolas Setton <setton@adacore.com>
1968 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1970 2006-09-10 Andreas Schwab <schwab@suse.de>
1972 * config/m68k/m68k.md (bungt_rev): New pattern.
1974 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1975 Dale Johannesen <dalej@apple.com>
1978 * regclass.c (struct reg_pref): Update documentation.
1979 (regclass): Set prefclass to NO_REGS if memory is the best option.
1980 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1982 2006-09-08 Eric Christopher <echristo@apple.com>
1984 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1985 * config/t-slibgcc-darwin: Support x86_64 multilib.
1986 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1987 Return 1 for x86_64-darwin.
1988 * config/i386/t-darwin: Add m64 multilib.
1989 (LIB2_SIDITI_CONV_FUNCS): Use.
1990 (LIB2FUNCS_EXTRA): Ditto.
1991 * config/i386/darwin.h: Support x86_64.
1992 * config/i386/i386.c (override_options): Turn on flag_pic
1993 for x86_64-darwin. Disable flag_omit_pointer.
1994 (get_pc_thunk_name): Assert !TARGET_64BIT.
1995 (legitimate_address_p): Disable machopic addressing for
1997 (legitimize_pic_address): Ditto.
1998 (ix86_expand_move): Ditto.
1999 (ix86_expand_call): Ditto.
2000 (machopic_output_stub): Ditto.
2001 * config/darwin.c (machopic_select_section): Support literal16.
2002 (machopic_select_rtx_section): Ditto.
2003 * config/darwin-sections.def: Ditto.
2004 * config/darwin-64.c: New.
2006 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2009 * c-tree.h (struct c_arg_info): Add pending_sizes.
2010 * c-parser.c (c_parser_parms_declarator,
2011 c_parser_parms_list_declarator): Initialize pending_sizes.
2012 * c-decl.c (get_parm_info): Initialize pending_sizes.
2013 (get_parm_info): Set pending_sizes.
2014 (grokdeclarator): Call put_pending_sizes for parameters for
2015 function definition only.
2017 2006-09-07 Jason Merrill <jason@redhat.com>
2020 * varasm.c (output_constant): Only strip actual no-op conversions.
2023 * config/i386/i386.c (override_options): Use 128-bit
2024 stack boundary if -msse.
2026 2006-09-07 Eric Christopher <echristo@apple.com>
2028 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2030 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2033 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2035 * dwarf2out.c: Remove strange characters from comment above
2036 dwarf2out_frame_debug_expr.
2038 2006-09-07 Eric Christopher <echristo@apple.com>
2040 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2041 * config/darwin.h: ... to here.
2043 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2045 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2047 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2048 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2050 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2051 TARGET_PARTIAL_FLAG_REG_STALL.
2052 (*ashldi3_cconly_rex64): Likewise.
2053 (*ashlsi3_cmp): Likewise.
2054 (*ashlsi3_cconly): Likewise.
2055 (*ashlsi3_cmp_zext): Likewise.
2056 (*ashlhi3_cmp): Likewise.
2057 (*ashlhi3_cconly): Likewise.
2058 (*ashlqi3_cmp): Likewise.
2059 (*ashlqi3_cconly): Likewise.
2060 (*ashrdi3_cmp_rex64): Likewise.
2061 (*ashrdi3_cconly_rex64): Likewise.
2062 (*ashrsi3_cmp): Likewise.
2063 (*ashrsi3_cconly): Likewise.
2064 (*ashrsi3_cmp_zext): Likewise.
2065 (*ashrhi3_cmp): Likewise.
2066 (*ashrhi3_cconly): Likewise.
2067 (*ashrqi3_cmp): Likewise.
2068 (*ashrqi3_cconly): Likewise.
2069 (*lshrdi3_cmp_rex64): Likewise.
2070 (*lshrdi3_cconly_rex64): Likewise.
2071 (*lshrsi3_cmp): Likewise.
2072 (*lshrsi3_cconly): Likewise.
2073 (*lshrsi3_cmp_zext): Likewise.
2074 (*lshrhi3_cmp): Likewise.
2075 (*lshrhi3_cconly): Likewise.
2076 (*lshrqi2_cmp): Likewise.
2077 (*lshrqi2_cconly): Likewise.
2079 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2082 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2083 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2084 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2085 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2086 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2087 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2088 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2089 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2090 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2091 implement only CC setting effects of shift instructions.
2093 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2095 * doc/contrib.texi: Add myself.
2097 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2100 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2101 was set by the user.
2103 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2106 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2107 (divsi_inv_m1): Use them.
2108 (UNSPEC_DIV_INV_TABLE): New constant.
2110 2006-09-06 James E Wilson <wilson@specifix.com>
2113 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2114 then call count_or_remove_death_notes.
2116 2006-09-06 Jason Merrill <jason@redhat.com>
2119 * tree-inline.c (copy_result_decl_to_var): New fn.
2120 (declare_return_variable): Use it. Call declare_inline_vars here.
2121 (expand_call_inline): Not here.
2123 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2125 * doc/contrib.texi: Update my entry.
2127 2006-09-06 Nick Clifton <nickc@redhat.com>
2129 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2131 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2134 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2135 (canonicalize_induction_variables): Likewise.
2136 (tree_unroll_loops_completely): Likewise.
2137 (tree_ssa_prefetch_arrays): Likewise.
2138 (remove_empty_loops): Likewise.
2139 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2140 TODO_cleanup_cfg instead of directly calling
2141 cleanup_tree_cfg_loop.
2142 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2144 (tree_unroll_loops_completely): Likewise.
2145 (remove_empty_loops): Likewise.
2146 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2147 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2148 of tree_ssa_unswitch_loops.
2149 (tree_ssa_loop_ivcanon): Use the return value of
2150 canonicalize_induction_variables.
2151 (tree_ssa_empty_loop): Use the return value of
2153 (tree_complete_unroll): Use the return value of
2154 tree_unroll_loops_completely.
2155 (tree_ssa_loop_prefetch): Use the return value of
2156 tree_ssa_prefetch_arrays.
2157 * passes.c (execute_todo): Before Cleanup CFG, set
2158 updating_used_alone and after cleanup CFG, call
2159 recalculate_used_alone.
2161 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2164 * tree-vect-transform.c (vectorizable_condition): Move the check
2165 for the type after the check for simple condition.
2167 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2168 Kaz Kojima <kkojima@gcc.gnu.org>
2171 * mode-switching.c (optimize_mode_switching): Make the destination
2172 block of an abnormal edge have no anticipatable mode. Don't
2173 insert mode switching code at the end of the source block of
2176 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2178 PR rtl-optimization/26847
2179 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2180 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2181 (simplify_plus_minus): Count n_constants while filling ops. Replace
2182 qsort with insertion sort. Before going through the array to simplify
2183 pairs, sort it. Delay early exit until after the first sort, exiting
2184 only if no swaps occurred. Simplify pairs in reversed order, without
2185 special-casing the first iteration. Pack ops after simplifying pairs.
2187 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2189 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2190 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2191 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2192 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2194 2006-09-05 Richard Guenther <rguenther@suse.de>
2196 PR tree-optimization/28900
2197 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2198 compound conditional before creating COND_EXPR condition.
2200 2006-09-05 Richard Guenther <rguenther@suse.de>
2202 PR tree-optimization/28905
2203 * tree-vrp.c (fix_equivalence_set): Manually implement
2204 !value_ranges_intersect_p to also handle symbolic ranges.
2206 2006-09-05 Richard Guenther <rguenther@suse.de>
2209 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2212 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2214 PR rtl-optimization/27616
2215 * cse.c (table_size): New static variable.
2216 (new_basic_block): Initialize it to 0.
2217 (remove_from_table): Decrement it.
2218 (insert): Increment it.
2219 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2220 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2221 fold_rtx_mem_1 if under the cap.
2222 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2223 the lookup of the equivalent expression and test for equality of the
2224 first operand of the equivalent expression before in turn looking up
2225 an equivalent constant for the second operand.
2227 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2230 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2231 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2232 pointer, instead of assuming it is possible to derive the
2233 correct args size from a call insn.
2235 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2238 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2239 (fold_builtin_mempcpy): Rename to...
2240 (fold_builtin_memory_op): ... this. Optimize one element copy
2242 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2244 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2245 (expand_builtin_memcpy, expand_builtin_mempcpy,
2246 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2247 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2248 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2249 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2251 2006-09-01 DJ Delorie <dj@redhat.com>
2253 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2254 (stzx_16): Likewise.
2255 ("stzx_24_<mode>"): Likewise.
2256 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2257 ("cmp<mode>_op"): New.
2258 (cmp<mode>): Change to expander; just save operands.
2260 (b<code>): Change to expander, emit compare here.
2261 (s<code>_op): Change to use split and expander.
2262 (s<code>_24_op): Likewise.
2263 (s<code>_<mode>): New.
2264 (s<code>_<mode>_24): New.
2265 (movqicc_<code>_<mode): New.
2266 (movhicc_<code>_<mode>): New.
2269 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2270 (m32c_pend_compare): New.
2271 (m32c_unpend_compare): New.
2272 (m32c_expand_scc): New.
2273 (m32c_expand_movcc): Emit the compare also.
2274 * config/m32c/predicates.md (mra_nopp_operand): New.
2276 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2277 Richard Guenther <rguenther@suse.de>
2278 Adam Nemet <anemet@caviumnetworks.com>
2281 * builtins.c (get_pointer_alignment): Handle more forms
2282 of base addresses that can be used to derive more precise
2283 information about alignment.
2285 2006-09-01 Jason Merrill <jason@redhat.com>
2288 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2291 * gimplify.c (voidify_wrapper_expr): Handle null type.
2293 2006-09-01 Josh Conner <jconner@apple.com>
2296 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2297 (execute_return_slot_opt): Use it.
2299 2006-08-31 Josh Conner <jconner@apple.com>
2302 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2303 returning aggregates.
2305 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2307 PR tree-optimization/28839
2308 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2309 blocks in that phi arguments appear.
2311 2006-08-31 Roger Sayle <roger@eyesopen.com>
2314 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2315 NULL, otherwise use an advance_loc4 to adjust relative to the
2317 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2318 (dwarf2out_switch_text_section): Reset the current label to avoid
2319 using advance_loc4 over section boundaries.
2321 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2324 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2325 r12 + SYMBOLIC_CONST.
2327 2006-08-30 Richard Guenther <rguenther@suse.de>
2329 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2331 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2333 PR rtl-optimization/27735
2334 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2335 Add new argument to keep track of whether an irreducible region
2336 was affected. All callers changed.
2337 (fix_irreducible_loops): Removed.
2338 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2339 flags were invalidated.
2341 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2343 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2344 instead of SF operands.
2345 (*fop_df_comm_sse): Likewise.
2346 (*fop_df_comm_i387): Likewise.
2347 (*fop_df_1_mixed): Likewise.
2348 (*fop_df_1_sse): Likewise.
2350 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2351 J"orn Rennecke <joern.rennecke@st.com>
2353 PR tree-optimization/17506
2354 * tree-ssa.c (warn_uninit): If warning about a location outside of
2355 the current function, note where the variable was declared.
2357 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2359 PR tree-optimization/28411
2360 * double-int.c (double_int_div): Use double_int_divmod.
2361 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2362 double_int_mod, double_int_smod, double_int_umod): New functions.
2363 * double-int.h (double_int_divmod, double_int_sdivmod,
2364 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2366 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2368 (get_computation_aff, get_computation_cost_at): Handle double_int
2369 return type of constant_multiple_of.
2371 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2374 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2375 an implicit conversion.
2377 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2379 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2381 2006-08-27 Roger Sayle <roger@eyesopen.com>
2383 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2386 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2388 * config/i386/crtfastmath.c: Fix a comment typo.
2390 2006-08-26 Roger Sayle <roger@eyesopen.com>
2392 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2393 temporary visit flags on CASE_LABEL_EXPRs.
2394 * c-common.c (match_case_to_enum): Add function comment. Avoid
2395 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2396 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2397 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2398 a constant, only warn if that constant value isn't handled.
2400 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2403 * input.h (restore_input_file_stack): Declare.
2404 (INPUT_FILE_STACK_BITS): Define.
2405 * toplev.c (fs_p, input_file_stack_history,
2406 input_file_stack_restored, restore_input_file_stack): New.
2407 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2408 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2409 (pop_srcloc): Don't free old state of stack.
2411 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2414 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2415 (PowerPC Type Attributes): New.
2417 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2419 * config/xtensa/xtensa.c (function_arg_boundary): New.
2420 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2422 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2423 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2425 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2428 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2431 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2433 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2434 (verify_local_live_at_start): Likewise.
2436 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2439 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2440 omp_add_variable): Treat sizes as variable whenever not
2443 2006-08-26 Richard Guenther <rguenther@suse.de>
2446 * fold-const.c (fold_binary): Fold temporary to correct
2447 type before constructing new comparison.
2449 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2452 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2453 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2455 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2458 * c-decl.c (start_function): Don't try to process prototype
2459 information from old declaration that isn't a function.
2461 2006-08-25 Jan Hubicka <jh@suse.cz>
2464 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2466 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2469 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2472 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2474 PR tree-optimization/16876
2475 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2476 exit if PARM doesn't match VALUE.
2478 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2480 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2481 literal_prefix directive.
2482 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2483 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2484 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2486 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2489 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2490 predicate to general_operand. Add 0->y and I->r alternatives.
2492 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2494 * doc/tm.texi: Fix a typo.
2495 * predict.c: Fix comment typos.
2497 2006-08-25 Nick Clifton <nickc@redhat.com>
2499 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2500 assertions of "cpu" and "machine".
2502 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2505 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2506 the access through a base which has an alias set of 0 cannot
2509 2006-08-24 Bill Wendling <wendling@apple.com>
2511 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2513 2006-08-24 Jan Hubicka <jh@suse.cz>
2515 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2517 2006-08-24 Jan Hubicka <jh@suse.cz>
2520 * cgraph.c: Fix comments.
2521 (cgraph_varpool_mark_needed_node): Mark only variables not already
2523 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2524 (cgraph_varpool_assembled_nodes_queue): New static variable.
2525 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2526 (cgraph_varpool_output_debug_info): New function.
2527 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2528 * Makefile.in: Add gt-cgraphunit.h
2530 2006-08-24 Jan Hubicka <jh@suse.cz>
2532 * predict.c (probability_reliable_p): New predicate.
2533 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2534 (predict_loops): Do not predict loop exit with less than 2%
2536 * basic-block.h (edge_probability_reliable_p,
2537 br_prob_note_reliable_p): Declare.
2538 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2539 prediction when static predictor is not reliable.
2540 * rs6000.c (output_cbranch): Likewise.
2542 2006-08-23 Stuart Hastings <stuart@apple.com>
2545 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2546 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2548 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2551 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2552 complex values, nor for generic vector values.
2554 2006-08-22 Richard Guenther <rguenther@suse.de>
2557 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2558 parameter. Convert arguments to arithmetic expression to the
2560 (analyze_scalar_evolution_1): Adjust caller.
2562 2006-08-22 Jan Hubicka <jh@suse.cz>
2564 Patch by Paolo Bonzini
2565 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2568 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2570 PR tree-optimization/28003
2571 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2572 before grouping aliases.
2574 2006-08-22 Roger Sayle <roger@eyesopen.com>
2576 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2577 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2579 2006-08-21 Jason Merrill <jason@redhat.com>
2582 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2583 wrapper. Loop to handle nested wrappers.
2584 (gimplify_bind_expr): Remove temp parameter.
2585 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2586 and STATEMENT_LIST on the rhs.
2587 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2588 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2589 (gimplify_target_expr): Remove special BIND_EXPR handling.
2591 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2593 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2596 2006-08-21 Olivier Hainque <hainque@adacore.com>
2598 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2599 Arrange for the temporary captures of components overlapping the lhs
2600 to happen before the lhs is possibly cleared.
2602 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2604 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2605 necessary places to pass the correct "number of registers" values
2608 2006-08-20 Jan Hubicka <jh@suse.cz>
2610 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2611 (create_name_tags): Instead of quadratic checking use hashtable.
2612 * bitmap.h: Include hashtab.h.
2613 (bitmap_hash): Declare.
2614 * bitmap.c (bitmap_hash): New function.
2616 2006-08-20 Jan Hubicka <jh@suse.cz>
2618 PR rtl-optimization/28071
2619 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2621 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2622 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2623 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2624 cgraph_decide_inlining_incrementally): Update use of
2625 cgraph_check_inline_limits.
2626 * cgraph.c (edge_hash, edge_eq): New function.
2627 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2628 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2629 cgraph_remove_node): Maintain call site hash.
2630 * cgraph.h (struct cgraph_node): Add call_site_hash.
2631 (cgraph_set_call_stmt): New function.
2633 2006-08-20 Jan Hubicka <jh@suse.cz>
2635 PR rtl-optimization/28071
2636 * reload1.c (reg_has_output_reload): Turn into regset.
2637 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2638 choose_reload_regs, emit_reload_insns): Update to new
2639 reg_has_output_reload.
2641 2006-08-20 Jan Hubicka <jh@suse.cz>
2644 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2645 function body sizes.
2646 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2648 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2651 * tree.c (handle_dll_attribute): Return early if not a
2652 var or function decl.
2654 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2657 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2658 alignment of SPE vector types.
2660 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2662 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2664 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2667 * cgraph.h (struct cgraph_node): Remove externally_visible
2669 * cgraphunit.c (process_function_and_variable_attributes): Set
2670 local.externally_visible rather than externally_visible.
2673 * c-common.c (handle_externally_visible_attribute): First look
2674 at TREE_CODE and only if it is function or var decl, check for
2675 non-public objects. Don't warn for DECL_EXTERNAL.
2676 * cgraphunit.c (process_function_and_variable_attributes): Warn
2677 if externally_visible attribute is used on non-public object.
2679 2006-08-17 Jan Hubicka <jh@suse.cz>
2681 PR tree-optimization/27865
2682 * reload1.c (forget_marked_reloads): New function.
2683 (forget_old_reloads_1): When data are passed, just mark the registers
2685 (reload_as_needed): Use the new mechanizm.
2687 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2690 * reload.h (reg_equiv_alt_mem_list): New declaration.
2691 * reload1.c (reg_equiv_alt_mem_list): New definition.
2692 (reload): Initialize it and release it.
2693 (delete_output_reload): Use it.
2694 * reload.c (push_reg_equiv_alt_mem): New function.
2695 (find_reloads_toplev): Call it.
2696 (find_reloads_address, find_reloads_address_1): Likewise.
2697 (find_reloads_subreg_address): Likewise.
2699 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2701 PR rtl-optimization/28489
2702 * sched-ebb.c (begin_schedule_ready): Create basic block
2704 (advance_target_bb): Skip empty blocks.
2705 * haifa-sched.c (bb_note): Make global.
2706 * sched-int.h (bb_note): Add prototype.
2708 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2710 PR tree-optimization/27865
2711 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2713 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2714 fold_used_pointer, pointer_used_p): New functions.
2715 (analyze_scalar_evolution_1): Use fold_used_pointer.
2716 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2717 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2720 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2723 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2724 or the INTEGER_CST. Fail on a CALL_EXPR.
2725 (fold_offsetof): Pass new argument to fold_offsetof_1.
2726 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2727 operand into an INDIRECT_REF.
2728 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2730 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2732 PR gcov/profile/26570
2733 * value-prof.c (static_values): Removed.
2734 (tree_find_values_to_profile): Do not set static_values.
2735 (find_values_to_profile): Do not free static_values.
2736 * profile.c (instrument_values): Do not free the values.
2737 (branch_prob): Free the values.
2739 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2741 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2743 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2746 * c-typeck.c (build_component_ref): Combine qualifiers of
2747 structure or union and field.
2749 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2751 PR rtl-optimization/28071
2752 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2753 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2754 * tree-into-ssa.c (struct dom_dfsnum): New.
2755 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2757 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2758 compute_global_livein.
2759 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2760 in phi nodes in the correct blocks.
2762 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2764 PR tree-optimization/28364
2765 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2767 (fold_affine_expr): New function.
2768 (may_eliminate_iv): Use fold_affine_expr.
2770 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2773 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2776 2006-08-16 Mike Stump <mrs@apple.com>
2778 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2779 * doc/cppopts.texi (-MD): Likewise.
2781 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2784 * c-common.c (handle_weak_attribute): Ignore and warn if
2785 not a FUNCTION_ or VAR_DECL.
2787 2006-07-15 Mike Stump <mrs@apple.com>
2790 * c-parser.c (c_parser_typeof_specifier): Don't use
2791 c_finish_expr_stmt, open code desired semantics instead.
2793 2006-08-15 Nick Clifton <nickc@redhat.com>
2795 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2796 fragment to tmake_file only if threads are enabled.
2797 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2798 * config/i386/t-gthr-win32: New file. ... here.
2800 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2803 * c-parser.c (c_parser_compound_statement_nostart): Reset
2804 parser->error after each statement.
2806 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2809 * omp-low.c (lower_omp_parallel): Convert t to
2810 receiver_decl's type.
2811 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2812 source before comparison.
2815 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2816 to itype in assignment to oldival2.
2818 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2822 * c-typeck.c (build_compound_expr): If the second expression
2823 is an error mark, then just return an error mark instead of
2824 creating a COMPOUND_EXPR.
2826 2006-07-14 Mike Stump <mrs@apple.com>
2828 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2830 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2832 * c-decl.c, var-tracking.c: Fix comment typos.
2834 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2836 PR rtl-optimization/28634
2837 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2838 for floating-point modes unless flag_unsafe_math_optimizations.
2840 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2841 Andrew Pinski <pinskia@physics.uc.edu>
2844 * tree.c (build_array_type): Unify array types with
2845 unspecified index_type.
2846 * c-decl.c (grokdeclarator): Make sure we do not modify a
2847 unified incomplete array type.
2848 * c-typeck.c (store_init_value): Create distinct type before
2849 filling in the index type in an initializer from a compound
2852 * c-decl.c (grokdeclarator): Remove code where we copy the
2855 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2857 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2858 into account for TODO_dump_cgraph.
2859 (TODO_update_ssa_no_phi): Likewise.
2860 (TODO_update_ssa_full_phi): Likewise.
2861 (TODO_update_ssa_only_virtuals): Likewise.
2862 (TODO_remove_unused_locals): Likewise.
2863 (TODO_set_props): Likewise.
2864 (TODO_update_stmt_usage): Likewise.
2866 2006-08-13 Dirk Mueller <dmueller@suse.de>
2868 * c-common.c (strict_aliasing_warning): Fix formatting.
2870 2006-08-13 Matthias Klose <doko@debian.org>
2872 * doc/invoke.texi: Fix spelling errors.
2874 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2876 PR rtl-optimization/23454
2877 * reorg.c (relax_delay_slots): Update comment.
2879 2006-08-11 Richard Guenther <rguenther@suse.de>
2882 * simplify-rtx.c (simplify_const_relational_operation):
2883 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2886 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2888 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2889 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2891 2006-08-10 Paul Brook <paul@codesourcery.com>
2893 * final.c (final_scan_insn): Clear current_insn_predicate before
2894 outputting inline asm.
2896 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2898 PR tree-optimization/26197
2899 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2900 get_ref_base_and_extent and overlap_subvar to add only relevant
2901 subvars as may-aliases.
2902 (add_may_alias_for_new_tag): New function, factored out of
2904 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2905 with additional argument.
2906 * tree-flow.h (new_type_alias): Takes additional argument.
2908 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2910 * gcov.c (no_data_file): New flag.
2911 (read_count_file): Set it if data file not present. Assume counts
2913 (output_lines): Don't name the data file, if there wasn't one.
2915 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2917 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2918 (rs6000_generate_compare): Tweak comments.
2919 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2921 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2923 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2924 (var_debug_decl): New function.
2925 (var_reg_set): Follow debug decl link. Add location even if
2926 reg is already known to hold some other variable.
2927 (var_mem_set): Follow debug decl link.
2928 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2929 decl link. Delete other known locations of the variable part
2931 (var_reg_delete, var_mem_delete): Delete other known locations
2932 of the variable part if requested.
2933 (same_variable_part_p): New function.
2934 (add_stores): Select MO_COPY when appropriate.
2935 (vt_initialize): Handle it.
2936 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2937 known locations for MO_SET and MO_CLOBBER.
2938 (find_variable_location_part): New function.
2939 (set_variable_part, delete_variable_part): Use it.
2940 (clobber_variable_part): New function.
2941 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2944 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2946 PR tree-optimization/26969
2947 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2948 with an empty list of PHIs.
2950 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2954 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2957 2006-08-06 Andreas Schwab <schwab@suse.de>
2959 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2960 string. Whitespace and comment fixup.
2962 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2965 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2969 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2972 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2974 2006-08-04 Jan Hubicka <jh@suse.cz>
2978 * reload.c (push_reload): Patch out the mismatching instruction;
2980 (find_reload): Bail out if the instruction was patched out.
2982 2006-08-04 Jan Hubicka <jh@suse.cz>
2984 PR tree-optimization/24888
2985 * tree-inline.c (expand_call_inline): Do not re-record variables.
2986 (declare_inline_vars): Add variable to unexpanded_var_list.
2988 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2989 Roger Sayle <roger@eyesopen.com>
2991 PR rtl-optimization/26244
2992 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2993 inner_const are negative or greater than or equal to the bitsize of
2994 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2995 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2996 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2997 CONST0_RTX (mode) when the new shift count is greater than or equal to
2998 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3001 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3003 * tree-cfg.c: Fix a comment typo.
3005 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3008 * varasm.c (output_constant): Give the front end another chance to
3009 expand constants, after stripping NOPs.
3011 2006-08-03 Jan Hubicka <jh@suse.cz>
3013 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3016 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3018 PR tree-optimization/27770
3019 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3020 declaration removed (moved to tree-flow.h).
3021 (vect_can_force_dr_alignment_p): Likewise.
3022 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3023 (moved from tree-vectorizer.h).
3024 (vect_can_force_dr_alignment_p): Likewise.
3025 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3026 from outside the vectorizer - in particular from cgraph stage.
3027 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3028 the alignment of global arrays when -fsection-anchors is enabled.
3029 * cgraphunit.c (cgraph_increase_alignment): New function.
3030 (cgraph_optimize): Call cgraph_increase_alignment.
3032 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3035 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3036 not reload a SPE symbol_ref into a lo_sum address.
3038 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3041 * dwarf2out.c (prune_unused_types_prune): Move call to
3042 prune_unused_types_update_strings to cover the parent DIE also.
3044 2006-08-02 Jan Hubicka <jh@suse.cz>
3046 PR gcov/profile/28480
3047 * tree-cfg.c (change_bb_for_stmt): New function.
3048 (tree_merge_blocks, tree_split_blocks): Use it.
3050 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3056 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3057 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3058 (cgraph_optimize): Likewise.
3060 2006-08-01 Stuart Hastings <stuart@apple.com>
3062 * rtl.h (UINTVAL) New.
3063 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3064 * testsuite/gcc.dg/20060801-1.c: New.
3066 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3069 * c-typeck.c (build_external_type): Mark used enum types.
3070 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3072 (gen_subprogram_die): Whitespace fix.
3074 2006-08-01 Jan Hubicka <jh@suse.cz>
3076 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3077 bitmap when not needed.
3078 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3081 2006-08-01 Dirk Mueller <dmueller@suse.de>
3083 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3085 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3087 * Makefile.in: Revert part of previous patch:
3088 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3091 2006-07-30 Eric Christopher <echristo@apple.com>
3094 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3095 (PowerPC Variable Attributes): New section.
3097 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3099 PR target/28126 (partial fix)
3100 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3102 2006-07-28 Jan Hubicka <jh@suse.cz>
3104 PR rtl-optimization/28071
3105 * cfgrtl.c (rtl_delete_block): Free regsets.
3106 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3108 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3110 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3111 and variables used in dependencies.
3113 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3115 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3116 %fs for -mcmodel=kernel.
3117 (stack_tls_protect_test_di): Likewise.
3119 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3121 * Makefile.in: Use mkinstalldirs.
3123 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3126 * opts-common.c (prune_options): Skip joined switches.
3128 2006-07-27 Jan Hubicka <jh@suse.cz>
3130 PR rtl-optimization/28071
3131 * cselib.c (cselib_process_insn): Don't remove useless values too
3132 often for very large hashtables.
3134 2006-07-27 Jan Hubicka <jh@suse.cz>
3136 PR rtl-optimization/28071
3137 * global.c (greg_obstack): New obstack.
3138 (allocate_bb_info): Use it.
3139 (free_bb_info): Likewise.
3140 (modify_reg_pav): Likewise.
3142 2006-07-27 Roger Sayle <roger@eyesopen.com>
3144 * builtins.c (fold_fixed_mathfn): When long and long long are the
3145 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3146 functions to their lceil*, lfloor*, lround* and lrint* forms.
3148 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3151 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3153 (rev_branch_insn): Likewise.
3155 2006-07-27 Jan Hubicka <jh@suse.cz>
3157 PR rtl-optimization/28071
3158 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3159 (reg_set_in_bb, max_reg_computed): New static variables.
3160 (regmove_optimize): Free the new array.
3161 (fixup_match_1): Update call of reg_is_remote_constant_p.
3163 2006-07-26 Jan Hubicka <jh@suse.cz>
3165 PR tree-optimization/27882
3166 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3168 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3170 (cgraph_analyze_compilation_unit): Likewise.
3171 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3172 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3173 (cgraph_early_inlinine): Make order garbage collected.
3174 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3176 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3178 * dbxout.c (output_types_sort): Add a comment.
3179 (output_used_types): Free the VEC.
3181 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3183 * function.c (reorder_fix_fragments): Delete.
3184 (reorder_blocks): Don't call it.
3185 (reorder_blocks_1): Put all subblocks under the origin block.
3187 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3189 PR rtl-optimization/27907
3190 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3193 2006-07-25 Roger Sayle <roger@eyesopen.com>
3196 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3197 bar(x) check that bar's result type can represent all the values of T.
3199 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3201 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3203 2006-07-25 Nick Clifton <nickc@redhat.com>
3205 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3206 size_lookup[] array.
3207 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3208 (ggc_pch_count_object): Likewise.
3209 (ggc_pch_alloc_object): Likewise.
3210 (ggc_pch_write_object): Likewise.
3211 (init_ggc): Do not attempt to initialize entries in the
3212 size_lookup[] array for objects whose size is greater than than
3213 the length of the array.
3215 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3217 * dbxout.c (output_used_types_helper): Push queued types
3219 (output_types_sort): New.
3220 (output_used_types): Collect used types on a VEC and sort them
3223 2006-07-24 Richard Guenther <rguenther@suse.de>
3226 * cgraph.c (cgraph_remove_node): Do not check if dumps
3228 * cgraphunit.c (cgraph_optimize): Likewise.
3230 2006-07-24 Jan Hubicka <jh@suse.cz>
3232 PR rtl-optimization/28071
3233 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3234 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3235 splitting before first stmt.
3237 2006-07-24 Jan Hubicka <jh@suse.cz>
3239 PR rtl-optimization/28071
3240 * ipa-inline.c (update_caller_keys): Remove edges that
3241 are no longer inline candidates.
3243 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3246 * dbxout.c (output_used_types_helper, output_used_types): New.
3247 (dbxout_symbol): Call output_used_types.
3249 2006-07-23 Jan Hubicka <jh@suse.cz>
3253 * cgraph.c (cgraph_varpool_nodes): Export.
3254 (decide_is_variable_needed): Ignored "used" attribute in
3255 unit-at-a-time mode.
3256 * cgraph.h (cgraph_varpool_nodes): Declare.
3257 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3258 unit-at-a-time mode.
3260 2006-07-23 Roger Sayle <roger@eyesopen.com>
3263 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3264 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3265 the __gthrw form of thr_keycreate.
3266 (__gthread_key_delete): Silence the unused argument warning.
3268 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3271 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3272 Cache the last found '\0' marker to avoid quadratic behavior.
3274 2006-07-23 Jan Hubicka <jh@suse.cz>
3276 * i386.md (subsi_3_zext): Fix output template.
3278 2006-07-21 Mike Stump <mrs@apple.com>
3280 * doc/invoke.texi (C++ Dialect Options): Note that
3281 -fvisibility-inlines-hidden doesn't affect explicitly
3282 instantiationed inline methods.
3284 2006-07-20 Roger Sayle <roger@eyesopen.com>
3286 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3287 if the target assembler is GNU binutils' gas.
3288 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3289 whether to pass GNU gas or native as command line options.
3291 2006-07-20 Jason Merrill <jason@redhat.com>
3293 * tree.c (remove_attribute): New fn.
3294 * tree.h: Declare it.
3296 2006-07-20 Paul Brook <paul@codesourcery.com>
3299 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3300 they are invalidated by this instruction.
3302 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3305 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3307 2006-07-20 Eric Christopher <echristo@apple.com>
3310 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3312 2006-07-19 Eric Christopher <echristo@apple.com>
3314 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3315 Rewrite dependencies for libgcc_s.1.dylib.
3317 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3319 * except.c (duplicate_eh_regions_1): Clear next_peer.
3321 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3323 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3324 -mlongcall does not guarantee all calls will be long.
3325 * doc/extend.texi (long_call/short_call): Document that longcall
3326 does not guarantee a long call will be used.
3327 (longcall/shortcall): Likewise.
3329 2006-07-18 Roger Sayle <roger@eyesopen.com>
3332 * expmed.c (expand_shift): Additionally check that the shift_cost
3333 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3334 before implementing a LSHIFT_EXPR as a sequence of additions.
3335 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3336 middle-end that DImode shifts need to be synthesized by expand.
3338 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3341 * tree-ssa-operands.c (access_can_touch_variable): Update
3343 Return true if ALIAS is .GLOBAL_VAR.
3345 2006-07-18 David Daney <ddaney@avtrex.com>
3347 * gcc.c (display_help): Fix typo in help text.
3349 2006-07-18 Olivier Hainque <hainque@adacore.com>
3351 * tree.h (categorize_ctor_elements): Adjust prototype and add
3352 descriptive comment, both in accordance with the interface change
3354 * varasm.c (constructor_static_from_elts_p): New function.
3355 Whether a constructor node is a valid static constant initializer
3356 if all its elements are.
3357 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3358 * output.h: Declare it.
3359 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3360 is a valid constant initializer instead of computing the number of
3361 non-constant elements. Use constructor_static_from_elts_p for this
3362 purpose. Replace the head comment with an indication that this is a
3363 helper for categorize_ctor_elements.
3364 (categorize_ctor_elements): Same interface change as for the _1
3365 helper. Former head comment from this helper moved here, adjusted to
3366 account for the interface changes.
3367 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3368 (all_zeros_p): Likewise.
3369 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3370 static versions of the constructor from the categorize_ctor_elements
3371 return value instead of the formerly computed number of non-constant
3374 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3376 * configure: Regenerate.
3377 * Makefile.in (build_libsubdir): New configure substitution
3378 (build_libobjdir): New variable.
3379 (BUILD_LIBIBERTY): Use it.
3381 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3384 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3386 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3389 * c-common.c (handle_weakref_attribute): Ignore attribute in
3390 the same conditions the alias attribute is ignored.
3392 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3394 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3395 (dbxout_begin_prologue): Increment scope_labelno.
3397 2006-07-17 Richard Henderson <rth@redhat.com>
3400 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3403 2006-07-17 Roger Sayle <roger@eyesopen.com>
3404 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3406 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3407 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3408 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3409 functions such as sbrk, write, etc.. Add function prototypes.
3410 Convert function declarations from K&R to ISO C. Cast pointers
3411 to "long" and "unsigned long" instead of "int" and "unsigned int".
3412 Convert tokens following #endif into comments.
3414 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3416 * invoke.texi: Remove mention of f77; Reformat table for
3417 inline parameter options correctly; mention that -malign-double
3418 is default on x86-64 targets.
3420 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3422 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3423 (convert_affine_scev, chrec_convert_aggressive): Use
3424 avoid_arithmetics_in_type_p. Do not check for the subtypes
3427 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3430 * optabs.c (expand_doubleword_shift): Wrap the call to
3431 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3433 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3436 * optabs.c (expand_binop): Pass next_methods rather than methods
3437 to expand_doubleword_shift.
3439 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3442 * tree.h (dump_addr): Declare.
3443 * print-tree.c (dump_addr): New function.
3444 (print_node_brief, print_node): Use it.
3445 * print-rtl.c (print_rtx): Likewise.
3446 * common.opt (-fdump-noaddr): New option.
3447 * doc/invoke.texi (-fdump-noaddr): Document.
3448 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3449 (ve_info_hash): Likewise.
3451 2006-07-13 Andrew Haley <aph@redhat.com>
3453 PR tree-optimization/19505
3454 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3455 edge leaving this block, make sure that the destination of this
3456 block has only one predecessor.
3458 2006-07-17 Richard Guenther <rguenther@suse.de>
3460 PR tree-optimization/28238
3461 * tree-inline.c (copy_bb): Check if we produced valid
3462 gimple copying and substituting a stmt. If not, gimplify
3465 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3467 * optabs.c (maybe_encapsulate_block): New function extracted from...
3468 (emit_libcall_block): ...here. Invoke it on the block of insns to
3469 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3470 (emit_no_conflict_block): Likewise.
3472 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3474 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3476 2006-07-15 Roger Sayle <roger@eyesopen.com>
3478 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3479 a new NOP_EXPR case of the switch statement.
3481 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3484 * stor-layout.c (place_field): Take the bit field with
3485 an excessive size into account in the ms-bitfiled case.
3488 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3489 the previous bit field.
3491 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3494 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3496 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3498 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3499 signal frames correctly even when the signal was installed with
3502 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3504 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3505 (dbxout_function_end): Use local label LFBB. Remove hook
3507 (dbxout_source_line): Use local label LFBB.
3508 (dbxout_block): Likewise.
3509 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3510 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3511 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3512 and DBX_OUTPUT_NFUN.
3514 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3516 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3518 2006-07-13 Jan Hubicka <jh@suse.cz>
3520 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3522 * output.h (align_variable): Declare.
3523 * varasm.c (align_variable): Export.
3524 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3525 when basic block changed.
3527 2006-07-13 Nick Clifton <nickc@redhat.com>
3529 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3530 walking the LOG_LINKS chain.
3532 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3534 * doc/invoke.texi (C++ Dialect Options): Explain difference
3535 between -fvisibility-inlines-hidden and setting hidden
3536 visibility explicitly.
3538 2006-07-12 Eric Christopher <echristo@apple.com>
3540 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3541 (stmp-lipo): Depend on libgcc.a.
3543 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3545 * tree.c: Fix a comment typo.
3547 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3549 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3551 (umulhisi3_r): Likewise.
3553 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3556 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3557 x < 19, vs wchar_t support.
3559 2006-07-12 Nick Clifton <nickc@redhat.com>
3561 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3562 instead of -isa=sh4.
3564 2006-07-12 Mike Stump <mrs@apple.com>
3566 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3568 2006-07-10 Eric Christopher <echristo@apple.com>
3570 * config/t-slibgcc-darwin: Rewrite.
3572 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3575 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3578 2006-07-08 Matthias Klose <doko@debian.org>
3580 * doc/sourcebuild.texi: Fix typo.
3582 2006-07-07 Mike Stump <mrs@apple.com>
3584 * toplev.c (process_options): Don't give -ffunction-sections may
3585 affect debugging warning for Mach-O.
3587 2006-07-07 James E Wilson <wilson@specifix.com>
3589 * config/mips/mips.md (cpu): Add sb1a.
3590 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3591 addition to sb1. Adjust comments to clarify SB-1A differences from
3593 (ir_sb1a_load): New. Modify bypasses to use it.
3594 (ir_sb1a_simple_alu): Likewise.
3595 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3596 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3597 (mips_issue_rate): Add PROCESSOR_SB1A.
3598 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3599 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3600 (TARGET_SB1): Add PROCESSOR_SB1A check.
3601 (TUNE_SB1): Likewise.
3603 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3604 * config/mips/mips.c (mips_store_data_bypass_p): New.
3605 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3606 store_data_bypass_p.
3608 2006-07-08 Paul Brook <paul@codesourcery.com>
3611 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3613 2006-07-07 Richard Guenther <rguenther@suse.de>
3616 * tree.h (build_one_cst): Declare.
3617 * tree.c (build_one_cst): New function.
3618 * tree-ssa-math-opts.c (get_constant_one): Remove.
3619 (insert_reciprocals): Use build_one_cst.
3620 * fold-const.c (fold_plusminus_mult): Likewise.
3622 2006-07-07 Roger Sayle <roger@eyesopen.com>
3624 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3625 * cfgloopanal.c (dump_graph): Likewise.
3626 * dojump.c (discard_pending_stack_adjust): Likewise.
3627 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3629 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3630 * function.c (finalize_block_changes): Likewise.
3631 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3632 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3633 * rtl.c (dump_rtx_statistics): Likewise.
3634 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3636 * varray.c (dump_varray_statistics): Likewise.
3637 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3638 decode_decimal64, encode_decimal128, decode_decimal128,
3639 decimal_real_to_decimal): Likewise.
3641 2006-07-07 Richard Guenther <rguenther@suse.de>
3643 PR tree-optimization/28187
3644 * tree-vrp.c (vrp_operand_equal_p): New function.
3645 (vrp_bitmap_equal_p): Likewise.
3646 (update_value_range): Use them to compare old and new
3649 2006-07-06 Roger Sayle <roger@eyesopen.com>
3651 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3652 a default case to switch statement to silence compiler warnings.
3654 2006-07-06 Roger Sayle <roger@eyesopen.com>
3657 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3658 the configured assembler supports the x87's ffreep mnemonic.
3659 * configure: Regenerate.
3660 * config.in: Regenerate.
3662 * config/i386/i386.c (output_387_ffreep): New function.
3663 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3664 (output_387_reg_move): Likewise.
3666 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3668 Port to hosts whose 'sort' and 'tail' implementations
3669 treat operands with leading '+' as file names, as POSIX
3670 has required since 2001. However, make sure the code still
3671 works on pre-POSIX hosts.
3672 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3673 which says you should use "tail -c +N" rather than "tail +Nc".
3674 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3676 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3678 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3681 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3684 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3685 PRE_{INC,DEC} of TFmode.
3687 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3688 Alan Modra <amodra@bigpond.net.au>
3691 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3694 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3697 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3698 Remove duplicate gtu.
3700 2006-07-05 Jason Merrill <jason@redhat.com>
3704 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3705 * c-common.c (handle_packed_attribute): So don't copy it here.
3706 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3708 2006-07-05 Mike Stump <mrs@apple.com>
3710 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3712 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3715 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3717 2006-07-05 Richard Guenther <rguenther@suse.de>
3720 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3721 TARGET_SSE2 targets if using SSE math.
3722 (*absdf2_1): Likewise.
3724 2006-07-05 Richard Guenther <rguenther@suse.de>
3726 PR tree-optimization/28162
3727 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3728 make sure to convert the operands to the correct type.
3730 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3732 PR tree-optimization/28218
3734 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3735 to calculate and free the dominator information.
3737 2006-07-04 Peter O'Gorman <peter@pogma.com>
3739 * mklibgcc.in: chmod 644 before ranlib during install.
3741 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3742 J"orn Rennecke <joern.rennecke@st.com>
3744 * configure.ac (.eh_frame data check): Use diff -b.
3746 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3749 * Makefile.in (BUILD_RTL): Add build/vec.o.
3750 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3751 (build/genextract): Delete.
3752 (build/genautomata): Likewise.
3754 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3757 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3758 128-bit IBM long doubles for ABI_V4.
3760 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3762 * tree.c (range_in_array_bounds_p): New predicate.
3763 * tree.h (range_in_array_bounds_p): Declare it.
3764 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3765 return a less conservative answer.
3766 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3767 and flag 'is_group'.
3768 (IS_ELEMENT_FOR_GROUP): New macro.
3769 (FOR_EACH_ACTUAL_CHILD): Likewise.
3770 (next_child_for_group): New helper function.
3771 (can_completely_scalarize_p): Take into account groups.
3772 (sra_hash_tree): Handle RANGE_EXPR.
3773 (sra_elt_eq): Likewise.
3774 (lookup_element): Be prepared for handling groups.
3775 (is_valid_const_index): Delete.
3776 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3777 instead of is_valid_const_index.
3778 <ARRAY_RANGE_REF>: New case.
3779 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3780 is_valid_const_index.
3781 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3782 (scan_dump): Dump info for groups too.
3783 (decide_instantiation_1): Likewise.
3784 (decide_block_copy): Assert that the element is not a group.
3785 Propagate decision to groups.
3786 (generate_one_element_ref): Handle RANGE_EXPR.
3787 (mark_no_warning): Iterate over actual childs.
3788 (generate_copy_inout): Likewise.
3789 (generate_element_copy): Likewise.
3790 (generate_element_zero): Likewise.
3791 (generate_element_init_1): Likewise.
3792 (dump_sra_elt_name): Handle RANGE_EXPR.
3794 2006-07-03 Roger Sayle <roger@eyesopen.com>
3796 PR tree-optimization/26251
3797 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3798 (thread_block): When optimizing for size refuse to thread jumps
3799 that would require duplication of blocks other than redirection
3802 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3804 * configure.ac: Fix thinko in previous check-in.
3805 * configure: Regenerate.
3807 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3810 * configure.ac (for lang...): Simplify nesting of conditionals.
3811 Test subdir_requires for non-enabled languages. Move processing
3812 of lang_opt_files and lang_tree_fiels below that test.
3813 * configure: Regenerate.
3814 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3816 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3818 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3820 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3822 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3825 2006-06-29 Jason Merrill <jason@redhat.com>
3832 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3833 * c-common.c (c_determine_visibility): Handle it here.
3834 * c-decl.c (finish_decl): Call c_determine_visibility for
3836 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3838 * varasm.c (default_assemble_visibility): Likewise.
3839 * c-common.c (handle_visibility_attribute): Complain about trying
3840 to give visibility to an already defined class, or trying to change
3841 declared visibility. Always attach the attribute.
3846 * attribs.c (decl_attributes): Ignore type-in-place attributes
3847 once the type has been defined.
3849 2006-06-29 Roger Sayle <roger@eyesopen.com>
3852 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3853 to indicate the cpplib has issued an error message for us.
3855 2006-06-29 Asher Langton <langton2@llnl.gov>
3858 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3859 insert a label at the end of an function under Mach-O.
3861 2006-06-29 Eric Christopher <echristo@apple.com>
3862 Evan Cheng <evan.cheng@apple.com>
3864 * predicates.md (vector_all_ones_operand): New.
3865 (nonimmediate_or_sse_const_operand): Ditto.
3866 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3867 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3868 (standard_sse_mode_p): Ditto.
3869 (standard_sse_constant_p): Add case for -1 vector.
3870 (ix86_expand_vector_move): Try to use.
3871 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3872 Call standard_sse_constant_opcode.
3873 (*movv4sf_internal): Ditto.
3874 (*movv2df_internal): Ditto.
3876 2006-06-29 Roger Sayle <roger@eyesopen.com>
3878 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3879 of XEXP to extract the operands of a MATCH_CODE rtx.
3881 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3883 * tree.c (tree_size): Do not waste tail padding in
3884 struct tree_string and make the size be the same as
3885 build_string will generate.
3887 2006-06-28 Jason Merrill <jason@redhat.com>
3890 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3891 may_aliases already in the tag's annotations to the bitmap.
3893 2006-06-28 Roger Sayle <roger@eyesopen.com>
3895 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3897 2006-06-28 Roger Sayle <roger@eyesopen.com>
3899 * genpreds.c (generate_switch_p): New function.
3900 (add_mode_tests): Push the new mode test down inside an AND expr
3901 if this allows the switch-suitable MATCH_CODE to be near the root.
3902 (write_match_code_switch): New function to write a MATCH_CODE as
3904 (write_predicate_stmts): New function to write a predicate RTX
3905 expression as a sequence of statements.
3906 (write_one_predicate_function): Use write_predicate_stmts.
3907 (write_tm_constrs_h): Likewise.
3909 2006-06-26 Fred Fish <fnf@specifix.com>
3911 * config/mips/t-sb1: New file.
3912 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3915 2006-06-26 DJ Delorie <dj@redhat.com>
3917 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3919 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3920 Jayant Sonar <jayants@kpitcummins.com>
3921 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3923 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3924 (subsi3, subsi3_1, subsi3_2): New.
3925 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3926 * config/m32c/mov.md (SI mov peephole): New.
3927 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3928 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3930 2006-06-26 Olivier Hainque <hainque@adacore.com>
3932 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3933 a CALL_EXPR target function declaration.
3935 2006-06-26 Richard Guenther <rguenther@suse.de>
3937 * tree.c (build_string): Do not waste tail padding in
3940 2006-06-26 Richard Guenther <rguenther@suse.de>
3942 * ggc-page.c (init_ggc): Add missing element to size_lookup
3946 2006-06-23 Richard Guenther <rguenther@suse.de>
3948 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3949 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3950 alignment requests instead. Add verification code.
3951 Add struct tree_function_decl and struct tree_binfo size to
3952 extra_order_size_table. Add missing element to size_lookup
3955 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3958 * fold-const.c (const_binop): Be prepared for self returning zero.
3959 Simplify code handling complex values.
3961 2006-06-24 Olivier Hainque <hainque@adacore.com>
3963 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3964 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3967 2006-06-24 Olivier Hainque <hainque@adacore.com>
3969 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3970 ARRAY_REF, so have the callback called for the low bound expression.
3972 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3974 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3975 * c-typeck.c (c_common_type): Disallow operations on decimal float
3976 types and other float types.
3977 * convert.c (convert_to_real): Don't ignore conversions involving
3978 decimal float types.
3980 2006-06-23 Olivier Hainque <hainque@adacore.com>
3982 * tree.c (max_int_size_in_bytes): New function, inspired from
3983 code in function.c:assign_temp.
3984 * tree.h (max_int_size_in_bytes): Declare.
3985 * function.c (assign_temp): Use it.
3986 * gimplify.c (create_tmp_var): Relax the assertions on the type
3987 properties, not mandating constant size any more.
3988 (force_constant_size): New static function.
3989 (gimple_add_tmp_var): Use it, forcing variable size to a
3990 constant upper bound if it is not constant on entry.
3992 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3995 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3996 for initialization and setting of one_only flag to ...
3997 (i386_pe_encode_section_info): ...here.
3998 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3999 Recheck that the symbol has not been defined.
4001 2006-06-23 Richard Guenther <rguenther@suse.de>
4003 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4004 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4005 alignment requests instead. Add verification code.
4006 Add struct tree_function_decl and struct tree_binfo size to
4007 extra_order_size_table. Add missing element to size_lookup
4010 2006-06-22 Roger Sayle <roger@eyesopen.com>
4011 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4014 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4015 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4017 2006-06-23 Ben Elliston <bje@au.ibm.com>
4019 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4020 negate dn -- manipulate it directly.
4022 2006-06-22 Roger Sayle <roger@eyesopen.com>
4023 Steven Bosscher <stevenb.gcc@gmail.com>
4026 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4027 generated by gen_move_insn to add REG_LABEL notes if necessary.
4029 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4031 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4032 (leaf_entry): Remove use of MIN_ESA.
4034 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4036 PR rtl-optimization/28121
4037 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4040 2006-06-21 DJ Delorie <dj@redhat.com>
4042 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4044 (mulhisi3_r): Likewise.
4046 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4049 * coverage.c (coverage_counter_alloc): Leave the index type
4051 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4054 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4056 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4057 section from the "Options for Code Generation Conventions".
4059 2006-06-21 Richard Henderson <rth@redhat.com>
4063 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4065 (global_symbolic_operand): Allow weak symbols, even if local_p.
4067 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4069 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4070 (find_interesting_uses_address): Punt if above function returns true.
4072 2006-06-21 Richard Guenther <rguenther@suse.de>
4074 * configure: Regenerated.
4076 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4078 * config/mips/mips.c (function_arg): Where one part of a
4079 complex argument is in registers and the other part in the stack,
4080 return a REG not a PARALLEL.
4082 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4084 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4085 when cross-compiling. Do not substitute libstdcxx_incdir.
4086 * configure: Regenerated.
4088 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4090 * varasm.c (mergeable_string_section): Check for embedded NULs and
4091 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4092 rather than TREE_STRING_LENGTH bytes.
4094 2006-06-21 Richard Guenther <rguenther@suse.de>
4096 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4097 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4100 2006-06-21 Richrad Guenther <rguenther@suse.de>
4102 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4103 Limit iteration over the dominators.
4105 2006-06-20 Roger Sayle <roger@eyesopen.com>
4107 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4108 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4110 2006-06-20 Richard Guenther <rguenther@suse.de>
4111 Michael Matz <matz@suse.de>
4113 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4115 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4116 * et-forest.h (et_free_pools): Prototype new function.
4117 * et-forest.c (et_free_tree_force): Free parent occurrence.
4118 (et_free_pools): New function.
4119 * dominance.c (free_dominance_info): Free et-forest alloc
4122 2006-06-20 Roger Sayle <roger@eyesopen.com>
4124 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4125 integer modes, attempt to directly construct an integer constant.
4127 * fold-const.c (native_encode_vector): Determine the size of each
4128 element from the vector type instead of the first vector element.
4130 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4131 if all of its elements/components are constant.
4132 (build_constructor_from_list): Likewise.
4134 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4136 PR tree-optimization/27331
4137 * tree-data-ref.c (free_data_ref): New function.
4138 (create_data_ref): Fail if the data reference has unknown access
4140 (free_data_refs): Use free_data_ref.
4142 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4145 * tree-inline.c (setup_one_parameter): Strip useless
4146 type conversion before adding it to the IR.
4147 (declare_return_variable): Likewise.
4149 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4152 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4154 2006-06-19 Mike Stump <mrs@apple.com>
4156 * tree.c (variably_modified_type_p): VM arguments don't make the
4159 2006-06-19 Richard Guenther <rguenther@suse.de>
4161 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4162 type conversions after folding.
4164 2006-06-19 Richard Guenther <rguenther@suse.de>
4166 * ggc-page.c (extra_order_size_tab): Add entries with
4167 size of struct function and basic_block.
4168 (size_lookup): Extend to cover sizes up to 511.
4169 (ggc_alloc_stat): Adjust user.
4170 (ggc_pch_count_object): Likewise.
4171 (ggc_pch_alloc_object): Likewise.
4172 (ggc_pch_write_object): Likewise.
4174 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4176 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4177 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4180 2006-06-19 Denis Chertykov <denisc@overta.ru>
4182 * config/avr/libgcc.S : Correct my wrong previous commit.
4184 2006-06-19 Roger Sayle <roger@eyesopen.com>
4187 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4188 have stripped a SUBREG from the shift count, so we may need to
4189 convert_to_mode back to the type's mode before calling make_tree.
4190 Use new_amount instead of amount to avoid expanding a tree twice.
4192 2006-06-19 Richard Guenther <rguenther@suse.de>
4195 * fold-const.c (operand_equal_p): Check if the argument types
4196 have the same precision before stripping NOPs.
4198 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4200 Fix PR tree-optimization/27341
4201 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4203 * tree-complex.c (pass_lower_complex): Update SMT usage.
4205 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4207 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4208 Add a new alternative to the constraint strings. Add move of
4209 operand 1 to 3 to the splitter definition.
4210 ("doloop_si_long"): Second contraint alternative removed.
4212 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4214 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4215 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4217 (AVR_HAVE_MOVW) Define.
4218 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4219 (ASM_SPEC): Add avr25.
4220 (LINK_SPEC): Add avr25.
4221 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4222 (base_arch_s): Add new member 'have_movw_lpmx'.
4223 (avr_arch_types): Init 'have_movw_lpmx'.
4224 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4225 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4226 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4227 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4228 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4230 (avr_file_start): Do not output '.arh' derective.
4231 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4232 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4233 * config/avr/avr.md (mcu_enhanced): Delete.
4234 (mcu_have_movw): Define.
4235 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4236 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4237 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4238 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4239 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4240 attiny861 and at86rf401 devices.
4242 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4244 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4247 2006-06-17 Karl Berry <karl@gnu.org>
4249 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4250 doc/gccint.texi, doc/install.texi (@dircategory): Use
4251 "Software development" instead of "Programming", following
4252 the Free Software Directory.
4254 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4256 * config/i386/i386.c (legitimate_tls_address)
4257 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4258 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4259 (*tls_dynamic_gnu2_combine_64): Likewise.
4261 2006-06-16 Richard Guenther <rguenther@suse.de>
4264 * fold-const.c (negate_expr_p): Do not introduce undefined
4265 overflow in negating INTEGER_CSTs.
4266 (fold_negate_expr): Rename from negate_expr. Revert last
4267 change for folding BIT_NOT_EXPR. Change semantics to
4268 return NULL_TREE for non-simplified negations. Do not
4269 strip type conversions and unify type handling.
4270 (negate_expr): New function, wrap around fold_negate_expr
4271 but ensure building a tree always. Strip type conversions
4272 here, fold to result type.
4273 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4275 2006-06-16 Roger Sayle <roger@eyesopen.com>
4278 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4279 that (would) return their results in stack registers.
4281 2006-06-16 Michael Matz <matz@suse.de>
4282 Richard Guenther <rguenther@suse.de>
4284 * fold-const.c (fold_truthop): Only return new tree node if
4285 we canonicalized something.
4287 2006-06-16 Richard Guenther <rguenther@suse.de>
4289 * function.h (enum function_frequency): Move declaration
4290 out of struct function.
4291 (struct function): Move bool fields and the enum to the bitfield
4292 section. Reorder elements to avoid padding. Remove unused
4293 fields left over from the RTL inliner removal.
4294 * function.c (free_after_compilation): Do not zero removed fields.
4295 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4296 (ipa-type-escape.o): Likewise.
4298 2006-06-16 Richard Guenther <rguenther@suse.de>
4300 * cgraph.h (struct cgraph_local_info): Turn bool elements
4302 (struct cgraph_node): Likewise.
4303 (struct cgraph_varpool_node): Likewise.
4305 2006-06-15 Richard Guenther <rguenther@suse.de>
4307 * fold-const.c (fold_truth_not_expr): Rename from
4308 invert_truthvalue. Give it fold_* semantics to avoid
4310 (invert_truthvalue): New function. Wrapper around
4311 fold_truth_not_expr.
4312 (optimize_minmax_comparison): Avoid creating garbage.
4313 (fold_unary): Use fold_truth_not_expr for folding
4315 (fold_ternary): Replace uses of invert_truthvalue with
4316 fold_truth_not_expr where applicable.
4317 * tree.h (fold_truth_not_expr): Prototype.
4319 2006-06-16 Richard Guenther <rguenther@suse.de>
4321 PR tree-optimization/27781
4322 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4323 * ipa-pure-const.c (target.h): Include.
4324 (analyze_function): Do not analyze functions that do not
4327 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4330 * tree-dfa.c (referenced_vars_dup_list): Remove.
4331 (find_referenced_vars): Remove assert.
4332 (referenced_var_check_and_insert): Replace dup list with assert.
4333 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4334 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4336 2006-06-15 Richard Guenther <rguenther@suse.de>
4338 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4339 extra unused identifiers if not dumping.
4340 (create_variable_info_for): Likewise.
4342 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4344 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4345 (derive_constant_upper_bound): Derive more precise upper bound in
4346 common cases. Return type changed to double_int.
4347 (record_estimate): Reflect the changed return type of
4348 derive_constant_upper_bound.
4349 * double-int.c (double_int_zext, double_int_sext): Fix.
4351 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4353 * configure.ac (CFLAGS): Get them from the toplevel or from the
4354 configure invocation.
4355 * configure: Regenerate.
4356 * Makefile.in (CFLAGS): Substitute value provided by configure.
4358 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4361 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4362 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4363 rather than calling add_stmt on it.
4364 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4366 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4369 * reload1.c (reload): Remove registers returned by update_eliminables
4370 from used_spill_regs.
4372 2006-06-13 DJ Delorie <dj@redhat.com>
4374 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4376 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4378 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4379 html__strip_dir, html__mkdir_p. Enhance install-html target.
4380 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4381 * configure: Regenerate.
4383 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4385 * fold-const.c (fold_cond_expr_with_comparison): Check for
4386 Objective-C++ as language in deciding COND_EXPR transformation.
4388 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4391 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4392 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4393 * config/sh/lib1funcs.h (SL, SL1): Define.
4394 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4395 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4396 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4397 (OBJS_Os_4_200): New variable.
4398 ($(T)libgcc-Os-4-200.a): Use it.
4399 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4400 when dividing 1 and/or by 0.
4402 2006-06-13 Roger Sayle <roger@eyesopen.com>
4404 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4405 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4406 * configure: Regenerate.
4408 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4410 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4411 for real instruction.
4413 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4416 * haifa-sched.c (check_cfg): Handle special case.
4418 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4421 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4422 Add debug_info parameter. Chain the vars to the BLOCK instead
4423 of the BIND_EXPR if debug info are requested for them.
4424 (pop_gimplify_context): Adjust for above change.
4425 (gimple_add_tmp_var): Likewise.
4426 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4428 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4429 (convert_local_reference): Likewise.
4430 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4431 (finalize_nesting_tree_1): Request that debug info be emitted
4432 for debug_var_chain.
4434 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4436 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4437 for PR target/27863.
4439 2006-06-13 Richard Guenther <rguenther@suse.de>
4442 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4444 2006-06-13 Richard Guenther <rguenther@suse.de>
4446 PR tree-optimization/27830
4447 * tree-inline.c (copy_body_r): For copying the operand
4448 of an ADDR_EXPR make sure to fold &* afterwards.
4450 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4452 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4453 lvalues in the fb_none case with side-effects.
4455 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4457 * tree-flow.h: Remove the prototype for
4458 compute_phi_arg_on_exit.
4459 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4460 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4463 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4465 * builtins.c (expand_builtin_return_addr): Only use
4466 frame_pointer_rtx when count == 0 and we are expanding
4467 __builtin_return_address.
4469 2006-06-12 Fred Fish <fnf@specifix.com>
4471 * config/mips/mips.c (mips_file_start): Create special section
4472 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4474 2006-06-11 Eric Christopher <echristo@apple.com>
4477 * stor-layout.c (place_field): Remove check for
4478 remaining_in_alignment when aligning at the end of a run.
4480 2006-06-11 Eric Christopher <echristo@apple.com>
4483 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4486 2006-06-11 Roger Sayle <roger@eyesopen.com>
4489 Revert incorrect fix for PR target/27158
4490 2006-05-08 Roger Sayle <roger@eyesopen.com>
4491 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4492 of a reg_equiv_constant if the result is a legitimate constant.
4494 2006-06-11 Roger Sayle <roger@eyesopen.com>
4497 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4498 extract a CONST_VECTOR element and interpret it as an integer.
4499 (vspltis_constant): Use const_vector_elt_as_int instead of the
4500 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4501 * config/rs6000/predicates.md (easy_vector_const): Consider
4502 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4504 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4507 * stor-layout.c (update_alignment_for_field): Don't add extra
4508 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4511 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4513 * config/mips/t-rtems: Add EL/EB multilib variants.
4515 2006-06-09 Mike Stump <mrs@apple.com>
4517 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4519 2006-06-09 David Daney <ddaney@avtrex.com>
4521 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4523 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4525 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4527 2006-06-09 Richard Guenther <rguenther@suse.de>
4529 PR tree-optimization/26998
4530 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4531 of signed types, only TYPE_MIN_VALUE is special, but for both,
4532 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4533 in this case, as is -fwrapv.
4535 2006-06-08 Mike Stump <mrs@apple.com>
4538 * config/darwin.c (darwin_asm_output_anchor): Disable
4539 -fsection-anchors on darwin for now.
4540 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4541 * rs6000/rs6000.c (optimization_options): Likewise.
4543 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4546 * config/i386/i386.c (classify_argument): Skip fields with invalid
4549 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4551 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4552 (cse_insn): Likewise for the stack_pointer_rtx.
4554 2006-06-08 Roger Sayle <roger@eyesopen.com>
4556 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4557 conditions from floating point comparisons.
4559 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4562 * expmed.c (struct alg_hash_entry): Fix type of field T
4563 to match synth_mult argument.
4564 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4566 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4569 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4572 2006-06-08 Richard Guenther <rguenther@suse.de>
4575 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4576 only, if overflow is defined and not trapping.
4577 (negate_expr): Likewise.
4579 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4581 PR tree-optimization/27872
4582 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4583 flag on the new exit edge of the unrolled loop.
4585 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4587 PR rtl-optimization/26449
4588 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4590 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4593 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4594 referenced_variables with matching DECL_UID's.
4595 (find_referenced_vars): Make sure duplicate list is empty to start.
4596 (referenced_var_p): Remove.
4597 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4598 Check if var is in the list, and add if needed. Update the duplicate
4599 list if a different var is in the list with the same DECL_UID.
4600 (add_referenced_var): Call routine to check and insert.
4601 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4602 * tree-flow.h (referenced_vars_dup_list): External declaration.
4604 2006-06-07 Fred Fish <fnf@specifix.com>
4606 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4609 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4612 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4613 the imaginary and real parts of a clobbered register.
4614 Emit insn to set the imaginary part.
4616 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4618 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4619 in lieu of unwind-dw2-fde.c.
4621 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4623 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4625 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4628 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4629 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4630 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4631 V4SImode temporaries and operations instead.
4633 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4635 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4638 2006-06-06 Mike Stump <mrs@apple.com>
4640 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4641 installing during build.
4643 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4645 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4647 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4648 * config/ia64/ia64.c (params.h): New header.
4649 (ia64_optimization_options): New function to adjust parameters.
4650 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4651 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4652 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4654 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4656 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4658 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4661 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4663 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4664 Victor Kaplansky <victork@il.ibm.com>
4666 PR tree-optimization/26360
4667 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4670 2006-06-04 Roger Sayle <roger@eyesopen.com>
4671 Andrew Pinski <pinskia@physics.uc.edu>
4674 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4675 for LABEL_DECL before calling DECL_WEAK.
4678 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4679 LABEL_DECL and PARM_DECL.
4681 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4685 * c-decl.c (grokdeclarator): Disallow variably modified types at
4686 file scope. Avoid marking shared array type of constant size as
4689 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4692 * c-common.c (fold_offsetof_1): Handle static members.
4694 2006-06-04 Eric Christopher <echristo@apple.com>
4696 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4697 (debug_rli): Output value for remaining_in_alignment.
4698 (update_alignment_for_field): Unconditionalize
4699 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4700 extra alignment code.
4701 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4702 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4703 * tree.h (record_layout_info_s): Remove prev_packed.
4704 * doc/extend.texi (ms_struct): Add documentation of format.
4706 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4708 * tree.h: Declare folding_initializer.
4709 * builtins.c (fold_builtin_constant_p): Give definite answer
4710 if folding inside an initializer.
4711 * fold-const.c: Define folding_initializer.
4712 (START_FOLD_INIT): Save and then set folding_initializer.
4713 (END_FOLD_INIT): Restore folding_initializer.
4715 2006-06-04 Richard Guenther <rguenther@suse.de>
4717 PR tree-optimization/27039
4718 * fold-const.c (fold_comparison): Handle pointer comparison
4719 again for all comparison codes. Compare offsets in signed
4721 (fold_binary): Move code from here.
4723 2006-06-03 Roger Sayle <roger@eyesopen.com>
4726 * config/i386/i386.c (construct_container): Split static issued_error
4727 flag into issued_sse_arg_error, issued_sse_ret_error and
4728 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4729 requires the use of x87 registers and the user explicitly
4730 specified the -mno-80387 command line option.
4732 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4734 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4735 HAVE_DECL_SIGALTSTACK.
4737 (segv_handler): Use MC_FLD.
4738 * configure.ac: Check for a sigaltstack declaration.
4739 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4740 * configure: Regenerate.
4741 * config.in: Regenerate.
4743 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4746 * Makefile.in (stmp-fixinc): Fix typo.
4748 2006-06-02 Roger Sayle <roger@eyesopen.com>
4750 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4751 are type correct. Clean-up.
4752 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4753 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4755 2006-06-01 DJ Delorie <dj@redhat.com>
4757 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4758 shift, as we've disabled the "switch" insn that needs it.
4760 2006-06-01 Per Bothner <bothner@bothner.com>
4762 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4763 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4764 * c-ppoutput.c (cb_define): Don't increment line 0.
4766 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4768 * doc/invoke.texi: Add cpu_type power6.
4769 * config.gcc: Add cpu_type power6.
4770 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4771 to power5+ with Altivec.
4772 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4773 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4775 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4777 * config/avr/avr.h (SET_ASM_OP): Define.
4779 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4781 * config/bfin/bfin.c: Fix comment typos.
4783 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4786 * doc/install.texi: Document --enable-bootstrap and
4787 --disable-bootstrap.
4789 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4791 * doc/install.texi: Document that InfoZIP can replace jar.
4793 2006-05-31 Roger Sayle <roger@eyesopen.com>
4795 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4796 isn't available, directly generate the simpler x87 patterns without
4797 the (use (const_int 0)).
4798 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4799 implementation isn't available.
4800 (*negdf2_1): Likewise.
4801 (*negxf2_1): XF mode negation is always done using the x87.
4802 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4804 2006-05-31 Roger Sayle <roger@eyesopen.com>
4806 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4807 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4809 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4811 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4813 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4814 * config/bfin/bfin.c (basic-block.h): Include.
4815 (struct machine_function): New.
4816 (bfin_init_machine_status): New.
4817 (override_options): Initialize init_machine_status.
4818 (bfin_hardware_loop): New.
4819 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4820 (DEF_VEC_P (loop_info)): New.
4821 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4822 (struct loop_info): New.
4823 (loop_info): New typedef.
4824 (struct loop_work): New.
4825 (loop_work): New typedef.
4826 (DEF_VEC_O (loop_work)): New.
4827 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4828 (bfin_dump_loops): New.
4829 (bfin_bb_in_loop): New.
4830 (bfin_scan_loop): New.
4831 (bfin_optimize_loop): New.
4832 (bfin_reorg_loops): New.
4833 (bfin_reorg): Use bfin_reorg_loops.
4834 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4836 (I_REGNO_P): Simplify.
4837 (DP_REGNO_P, DPREG_P): New macros.
4838 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4839 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4840 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4841 Add LT_REGS, LC_REGS, LB_REGS.
4842 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4844 (REGNO_REG_CLASS): Deal with loop registers.
4845 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4847 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4848 New constants for loop registers.
4849 (UNSPEC_LSETUP_END): New.
4850 (seq_insns): New define_attr. Set it for appropriate insns.
4851 (movsi_insn): Add alternatives for move from/to
4852 loop count registers.
4853 (doloop_end): New define_expand.
4854 (loop_end): New define_insn.
4855 (define_split for bad doloop_end): New.
4856 (lsetup_with_autoinit): New define_insn.
4857 (lsetup_without_autoinit): New define_insn.
4858 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4859 * config/bfin/predicates.md (lc_register_operand): New.
4860 (lt_register_operand): New.
4861 (lb_register_operand): New.
4862 (nondp_register_operand): New.
4863 (nondp_reg_or_memory_operand): New.
4864 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4866 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4868 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4869 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4871 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4873 * Makefile.in (CATALOGS): Add po/ prefix.
4874 * configure: Regenerated.
4876 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4879 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4880 a shift operand before calling shift_op. Avoid redundant call of
4883 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4884 DJ Delorie <dj@redhat.com>
4886 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4887 we're inserting is a singlt-bit constant.
4889 2006-05-30 Roger Sayle <roger@eyesopen.com>
4891 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4892 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4894 2006-05-30 Roger Sayle <roger@eyesopen.com>
4896 PR tree-optimization/23452
4897 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4898 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4899 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4900 complex values and with -ffast-math for FP complex values.
4902 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4904 * c-common.h: Remove the prototype for yyparse.
4905 * rtl.h: Remove the prototype for init_loop.
4907 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4909 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4912 2006-05-30 Roger Sayle <roger@eyesopen.com>
4914 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4916 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4917 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4919 2006-05-30 Dirk Mueller <dmueller@suse.de>
4922 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4923 for CONSTANT_CLASS_P expresisons.
4925 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4928 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4930 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4932 PR tree-optimization/27779
4933 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4934 initial_condition instead of CHREC_LEFT.
4936 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4938 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4939 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4940 Make prototypes ISO C90.
4942 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4943 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4945 * see.c (see_analyze_one_def): Correct check.
4946 (see_get_extension_data): Check if extension is parallel.
4947 (see_get_extension_reg): Likewise.
4949 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4952 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4953 into register for (code == GTU).
4955 2006-05-29 Roger Sayle <roger@eyesopen.com>
4957 PR tree-optimization/24964
4958 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4959 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4960 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4961 abs(x)*abs(x) as x*x for scalar floating point modes.
4963 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4966 * lambda-code.c (perfect_nestify): Don't copy statements
4967 in the inner loop: move them to the inner loop header.
4969 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4972 * c-tree.texi: Document OpenMP directives and clauses.
4974 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4976 * varasm.c (globalize_decl): Fix indentation.
4978 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4981 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4982 pass_fre, pass_store_ccp, pass_copy_prop,
4983 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4984 pass_return_slot, pass_object_size, pass_lim,
4985 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4986 pass_loop_prefetch and pass_stdarg.
4988 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4990 * config/bfin/bfin.opt (mfdpic): New option.
4991 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4992 (EXTRA_MULTILIB_PARTS): Likewise.
4993 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4994 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4996 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4997 (CRT_CALL_STATIC_FUNCTION): New.
4998 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5000 (CRT_CALL_STATIC_FUNCTION): New.
5001 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5003 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5004 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5005 (initialize_trampoline): Changed to handle FD-PIC code generation.
5006 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5007 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5008 (override_options): Disallow -mid-shared-library -mfdpic combination.
5009 Can't do unaligned ops if FD-PIC.
5010 Turn off flag_pic if trying to generate non-id-shared-library
5011 non-fdpic code, since it's not supported.
5012 (bfin_assemble_integer): New function.
5013 (TARGET_ASM_INTEGER): Define.
5014 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5016 * config/bfin/crtn.s: Restore them.
5017 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5019 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5020 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5021 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5022 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5023 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5025 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5026 FDPIC_REGS and FDPIC_FPTR_REGS.
5027 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5028 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5029 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5030 (load_funcdescsi): New pattern.
5031 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5032 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5033 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5035 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5037 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5040 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5042 * tree-flow.h: Remove the prototype for add_type_alias.
5043 * tree-ssa-alias.c (add_type_alias): Remove.
5045 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5047 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5048 config/fr30/fr30.md, config/i386/i386-interix.h,
5049 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5050 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5051 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5052 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5053 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5054 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5055 Follow spelling conventions.
5056 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5057 Follow spelling conventions.
5059 2006-05-27 Richard Guenther <rguenther@suse.de>
5062 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5063 to produce a constant of value 1 of generic type.
5065 2006-05-27 Dirk Mueller <dmueller@suse.de>
5067 * cgraphunit.c (decide_is_function_needed): Fix wrong
5070 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5072 PR rtl-optimization/27661
5073 * reload.c (find_reloads): When reloading a VOIDmode constant
5074 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5075 use Pmode as mode of the reload register.
5077 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5079 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5080 is enabled at -O and above.
5082 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5085 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5088 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5091 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5092 for anonymous variables explicitly declared by front ends.
5094 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5096 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5097 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5098 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5099 ref-all pointers, run a finalization pass for them.
5100 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5101 (finalize_ref_all_pointers): New function.
5102 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5103 regular pointer type to a ref-all pointer type.
5104 (get_tmt_for): Return the special memory tag for ref-all pointers.
5106 2006-05-25 Richard Guenther <rguenther@suse.de>
5109 * fold-const.c (fold_binary): Do not look at the stripped
5110 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5112 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5114 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5115 for LT and GT if the computed range is effectively empty.
5117 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5120 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5121 mips_quad_format formats instead of ieee_single_format,
5122 ieee_double_format and ieee_quad_format formats, respectively.
5124 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5126 PR tree-optimization/27639
5127 PR tree-optimization/26719
5128 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5129 call to scev_probably_wraps_p.
5130 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5131 used_in_pointer_arithmetic_p, convert_step): Removed.
5132 (nowrap_type_p): New function.
5133 (scev_probably_wraps_p): Rewritten.
5134 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5135 chrec_convert if chrec_convert_aggressive might have been used.
5136 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5137 scev_direction): New functions.
5138 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5139 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5140 instead of convert_step.
5141 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5142 (convert_step): Declaration removed.
5143 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5145 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5147 * df-core.c: Added to header comments.
5148 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5149 df_ur_bb_info, df_urec_bb_info): Added comments.
5150 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5151 urec, ri problems): Fixed header comments.
5152 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5153 code from df_rd_transfer_function.
5155 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5157 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5158 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5159 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5161 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5163 * expr.c (undefined_operand_subword_p): New.
5164 (emit_move_multi_word): Do not generate move from undefined bits
5165 of a paradoxical subreg.
5167 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5169 PR rtl-optimization/27736
5170 * combine.c (replaced_rhs_value): New variable.
5171 (combine_instructions): Set it.
5172 (distribute_notes): When distributing a note in replaced_rhs_insn,
5173 check whether the value was used in replaced_rhs_value.
5175 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5178 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5179 add_referenced_var instead of add_referenced_tmp_var.
5180 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5181 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5183 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5184 tree_optimize_tail_calls_1): Use add_referenced_var.
5185 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5186 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5187 Use add_referenced_var.
5188 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5189 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5190 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5191 Use add_referenced_var.
5192 * tree-dfa.c (struct walk_state): Remove.
5193 (find_referenced_vars): Remove walk state and vars_found hash table.
5194 (make_rename_temp): Use add_referenced_var.
5195 (find_vars_r): Pass less parameters to add_referenced_var.
5196 (referenced_var_p): New. Is var in referenced_var hash table.
5197 (referenced_var_insert): Assert var isn't already in hash table.
5198 (add_referenced_var): Don't need walk_state parameter. Add var if it
5199 isn't already in the hash table.
5200 (add_referenced_tmp_var): Remove.
5201 (find_new_referenced_vars_1): Use add_referenced_var.
5202 * tree-ssa-pre.c (create_expression_by_pieces,
5203 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5204 Use add_referenced_var.
5205 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5206 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5207 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5209 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5210 vect_create_data_ref_ptr, vect_create_destination_var,
5211 vect_init_vector, vect_build_loop_niters,
5212 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5213 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5214 Use add_referenced_var.
5215 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5216 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5217 (add_referenced_var): Add prototype.
5218 * tree-ssa-structalias.c (get_constraint_for,
5219 intra_create_variable_infos): Use add_referenced_var.
5221 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5223 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5224 big-endian paradoxical subregs.
5225 * var-tracking.c (struct micro_operation_def): Document that,
5226 for modify micro operations, insn is the subsequent instruction.
5227 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5228 (var_reg_set, var_mem_set): ... new functions.
5229 (add_stores): Record subsequent insn.
5230 (compute_bb_dataflow): Use new functions for MO_USE.
5231 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5232 notes after the insn, and modify notes before the insn known
5233 to be the subsequent one.
5234 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5236 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5239 * config/i386/i386.c (ix86_expand_builtin): Use
5240 gen_sse3_monitor64 for TARGET_64BIT.
5242 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5244 PR rtl-optimization/26375
5245 PR rtl-optimization/26855
5246 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5248 (df_ru_bb_local_compute): Reversed statements and removed bogus
5249 comment explaining why they should be in wrong order.
5250 (df_ru_dump, df_rd_dump): Enhanced debug info.
5251 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5253 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5254 reaching uses and fixed space problem.
5256 2006-05-23 Jan Hubicka <jh@suse.cz>
5258 * cgraphunit.c (decide_is_function_needed): Also nested functions
5259 and functions declared inline can be optimized out at -O0.
5261 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5263 * doc/install.texi (Configuration): Remove reference to CrossGCC
5267 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5270 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5271 ix86_compare_emitted is non-NULL.
5273 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5276 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5279 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5281 PR rtl-optimization/25514
5282 * combine.c (replaced_rhs_insn): New variable.
5283 (combine_instructions): Set replaced_rhs_insn when trying to replace
5284 a SET_SRC with a REG_EQUAL note.
5285 (distribute_notes): Use replaced_rhs_insn when determining the live
5286 range of a REG_DEAD register.
5288 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5289 Anatoly Sokolov <aesok@post.ru>
5291 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5292 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5293 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5294 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5295 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5296 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5297 at90usb647, at90usb1286 and at90usb1287 devices.
5298 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5299 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5301 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5303 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5305 2006-05-22 Richard Guenther <rguenther@suse.de>
5308 2006-01-31 Richard Guenther <rguenther@suse.de>
5309 Paolo Bonzini <bonzini@gnu.org>
5311 * doc/install.texi (--disable-libgcc-math): Document.
5313 2006-05-22 Richard Guenther <rguenther@suse.de>
5316 2006-01-31 Richard Guenther <rguenther@suse.de>
5318 * doc/invoke.texi (-msselibm): Document.
5319 * target.h (expand_library_builtin): New target hook.
5320 * builtins.c (expand_builtin): Use expand_library_builtin.
5321 (default_expand_library_builtin): New function.
5322 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5323 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5324 (link_gcc_math_spec): Declare.
5325 (static_specs): Add link_gcc_math_spec.
5326 * expr.h (default_expand_library_builtin): Declare.
5327 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5328 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5329 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5330 * config/i386/i386.opt (msselibm): New target option.
5331 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5332 (ix86_init_sse_abi_builtins): New function.
5333 (ix86_expand_library_builtin): Likewise.
5334 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5335 (override_options): Handle error conditions wrt -msselibm.
5336 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5337 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5338 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5341 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5344 * c-common.c (self_promoting_args_p): Skip erroneous args.
5347 * c-decl.c (finish_struct): Skip erroneous fields.
5349 2006-05-22 Nick Clifton <nickc@redhat.com>
5351 * config/cris/cris.opt (march): Remove VarExists attribute.
5352 (max-stackframe=): Likewise.
5354 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5356 * doc/rtl.texi: Fix a typo.
5357 * see.c: Fix comment typos.
5359 * tree-ssa-structalias.h (alias_info): Remove num_references.
5361 2006-05-21 Mike Stump <mrs@apple.com>
5363 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5365 (darwin_pragma_options): Use BAD instead.
5366 (darwin_pragma_unused): Likewise.
5367 (darwin_pragma_ms_struct): Likewise.
5369 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5371 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5373 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5375 PR rtl-optimization/27671
5376 * simplify-rtx.c (simplify_relational_operation_1): Fix
5377 simplifications of (eq/ne (xor x y) y) and
5378 (eq/ne (xor x y) x).
5380 PR tree-optimization/26622.
5381 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5384 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5386 * tree-cfg.c: Prune whitespace.
5387 (debug_tree_cfg): Point to correct header containing the
5390 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5393 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5395 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5398 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5399 or sorry count is non zero.
5401 2006-05-20 Andreas Schwab <schwab@suse.de>
5403 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5405 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5406 Kenneth Zadeck <zadeck@naturalbridge.com>
5408 PR rtl-optimization/26855
5410 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5412 (df_scan_alloc): Added code to properly handle multiword hard
5413 registers and add all_blocks parameter.
5414 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5415 code to properly handle multiword hard registers.
5416 (df_rescan_blocks): Added code to remove deleted blocks from
5418 (df_ref_create_structure, df_ref_record): Added code to properly
5420 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5421 and set DF_REF_PARTIAL.
5422 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5423 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5424 (df_scan_add_problem): Added flags parameter.
5425 (df_ref_create_structure): Changed switching structure.
5426 (df_bb_refs_record): Fixed case where duplicate artificial refs
5427 were created. Changed location of flags.
5428 (df_record_entry_block_defs): Added code to make stack pointer
5429 live in entry block. Refined cases where frame pointer is needed.
5430 Changed location of flags.
5431 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5432 (df_set_state): Removed function.
5433 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5434 df_insn_create_insn_record, df_insn_refs_delete,
5435 df_ref_create_structure): Formatting changes.
5436 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5437 df_delete_basic_block): New function.
5438 (df_init): Changed location of flags.
5439 (df_add_problem): Added flags parameter and the way flags are
5441 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5442 debug_df_chain): Improved debugging output.
5443 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5444 (df_refs_chain_dump): Removed df parameter.
5445 (df_iterative_dataflow): Added consistency check.
5446 (df_prune_to_subcfg): Made public.
5447 (df_analyze_problem): Added blocks_to_init parameter and made
5449 (df_ref_record, df_bb_refs_record, df_mark_reg,
5450 df_record_exit_block_uses): Whitespace changes.
5451 (df_dump): Whitespace changes.
5452 * df.h: Some reordering to remove forward references.
5453 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5454 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5455 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5456 (dataflow.flags): New field.
5457 (df.flag): Deleted field.
5458 (df_alloc_function): Added additional bitmap parameter.
5459 (df_dependent_problem_function): New type.
5460 (df_problem.changeable_flags): New field.
5461 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5462 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5463 (df_mw_hardreg): New struct.
5464 (DF_INSN_UID_MWS): New macro.
5465 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5467 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5468 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5469 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5470 (df_set_state): Removed function.
5471 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5472 * df-problems.c (df_chain_dump): Removed df parameter.
5473 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5474 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5476 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5477 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5478 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5479 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5480 DF_REF_MUST_CLOBBER cases.
5481 (df_ru_bb_local_compute_process_def,
5482 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5483 df_lr_bb_local_compute, df_ur_bb_local_compute,
5484 df_chain_create_bb): Made subreg aware.
5485 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5486 df_lr_bb_local_compute, df_lr_bb_local_compute,
5487 df_chain_create_bb): Cleanup to use proper macros.
5488 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5489 code to fixup bitvectors.
5490 (df_ri_alloc): Cleared lifetime.
5491 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5492 df_create_unused_note): New function.
5493 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5494 REG_DEAD and REG_UNUSED notes as well as register information.
5495 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5496 df_chains_dump): Fixed crash if problem was never run.
5497 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5498 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5499 df_ri_add_problem): Processes flags in uniform manner.
5500 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5501 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5502 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5503 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5504 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5505 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5506 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5507 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5508 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5509 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5510 * see.c (see_initialize_data): Ditto.
5511 * final.c (rest_of_clean_state) Added regstack_completed.
5512 * rtl.h (regstack_completed): Ditto.
5513 * reg-stack.c (regstack_completed): Ditto.
5515 2006-05-19 Mike Stump <mrs@apple.com>
5517 * c-tree.h (default_conversion): Remove.
5518 * c-common.h (default_conversion): Add.
5520 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5522 * tree-vrp.c (valid_value_p): New function.
5523 (adjust_range_with_scev): Fail if the value of bound is not
5526 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5528 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5529 (mips_fallback_frame_state): Use syscall numbers to determine
5530 the appropriate li instruction for the current ABI. Only use
5531 __NR_sigreturn for o32.
5533 2006-05-19 Nicolas Setton <setton@adacore.com>
5535 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5536 * langhooks.c (lhd_dwarf_name): New function.
5537 * langhooks-def.h (lhd_dwarf_name): Declare.
5538 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5539 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5540 * ada/misc.c (gnat_dwarf_name): New function.
5541 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5543 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5545 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5547 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5548 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5549 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5550 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5551 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5552 determine the size of Wtype, etc.
5553 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5554 (swfloatfuncs): New variable.
5555 (dwfloatfuncs): Likewise.
5556 (lib2funcs): Remove floating-point conversion functions from
5557 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5558 the set of conversion routines needed. Allow entries to specify
5559 an object name, filename and word size. Update users accordingly.
5560 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5561 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5565 2006-02-08 Roger Sayle <roger@eyesopen.com>
5568 * config/fixtfdi.c: New libgcc source file.
5569 * config/fixunstfdi.c: New source file.
5570 * config/floatditf.c: New source file.
5571 * config/floatunditf.c: New souce file.
5572 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5573 files above instead of config/mips/_tilib.c.
5574 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5576 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5578 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5579 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5581 2006-05-18 Mike Stump <mrs@apple.com>
5583 Fix up vla, vm and [*] sematics.
5589 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5590 (c_vla_unspec_p): Add.
5591 (c_vla_type_p): Add.
5592 * c-decl.c (struct c_scope): Add had_vla_unspec.
5593 (build_array_declarator): Add support for [*].
5594 (grokdeclarator): Likewise.
5595 (grokparms): Likewise.
5596 (get_parm_info): Likewise.
5597 * c-objc-common.c (c_vla_unspec_p): Likewise.
5598 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5599 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5600 typeof when argument is a variably modified type not inside sizeof or alignof.
5601 (c_parser_direct_declarator_inner): Propagate errors.
5602 (c_parser_sizeof_expression): Add support for [*].
5603 (c_parser_parms_declarator): Initialize had_vla_unspec.
5604 (c_parser_parms_list_declarator): Likewise.
5605 * c-typeck.c (c_vla_type_p): Add.
5606 (composite_type): Add support for vla compositing.
5607 (comptypes_internal): Add support for vla compatibility.
5608 (c_expr_sizeof_expr): Evaluate vla arguments.
5609 * tree.c (variably_modified_type_p): Update comment for [*].
5611 2006-05-18 Michael Matz <matz@suse.de>
5614 * config.host: Make assignments to host_xmake_file cumulative.
5615 * config.host (*-darwin*): Test $host, not $target.
5617 2006-05-12 Stuart Hastings <stuart@apple.com>
5619 * config/i386/i386.opt (-mstackrealign): New flag.
5620 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5621 (ix86_handle_cconv_attribute): Emit error when
5622 force_align_arg_pointer attribute collides with too many regparms.
5623 (ix86_function_regparm): Limit regparms when used with
5624 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5625 Support stack-realigning prologue in non-main functions. Emit
5626 warning for nested functions under -mstackrealign, emit error for
5627 nested functions with force_align_arg_pointer attribute.
5628 * doc/extend.texi (force_align_arg_pointer): Document it.
5629 * doc/invoke.texi (-mstackrealign): Document it.
5631 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5633 PR rtl-optimization/27477
5634 * combine.c (try_combine): Don't split a parallel consisting
5635 of two sets into two individual sets if both sets reference
5638 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5640 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5641 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5643 * doc/options.texi (VarExists): Updated.
5645 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5647 * unwind-dw2.c: Add declarations for uw_update_context and
5649 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5650 detected, advance frame state and context once to skip over stub.
5652 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5656 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5657 Call rewrite_into_loop_closed_ssa only when something changed.
5658 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5659 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5660 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5661 Test for perfect_nest_p here. Fix formating.
5662 (replace_uses_equiv_to_x_with_y): Fix formating.
5663 (stmt_uses_op): Removed.
5664 (can_convert_to_perfect_nest): Removed loopivs parameter.
5665 Complete the test by checking the scalar dependences.
5666 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5669 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5672 From Dan Kegel <dank@kegel.com>:
5673 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5675 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5677 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5678 if the element type is variably modified without recursing.
5680 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5683 * tree-loop-linear.c (try_interchange_loops): Test for
5684 no data dependences.
5686 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5688 PR tree-optimization/27548
5689 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5690 range of ssa names that appear on abnormal edges.
5691 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5692 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5694 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5697 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5699 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5702 * tree.h (OMP_PARALLEL_COMBINED): Define.
5703 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5704 (new_omp_context): Add is_combined_parallel argument.
5705 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5706 new_omp_context caller.
5707 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5708 Adjust gimplify_scan_omp_clauses callers.
5709 (omp_is_private): Issue errors if iteration variable is firstprivate
5710 or reduction in the current context.
5711 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5712 on combined parallel workshare constructs.
5714 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5716 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5717 (gcc-options.o): New rule.
5719 * optc-gen.awk: Protect variables for gcc-options.o with
5720 #ifdef GCC_DRIVER/#endif.
5722 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5724 Fix PR tree-optimization/27373
5725 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5726 (forward_propagate_addr_expr): Update call.
5728 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5730 * doc/options.texi: Move the Negative option.
5732 2006-05-16 Richard Guenther <rguenther@suse.de>
5734 PR tree-optimization/22303
5735 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5737 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5738 ccp_fold did not simplify the statement.
5740 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5743 * Makefile.in (GCC_OBJS): New.
5744 (OBJS-common): Add opts-common.o.
5745 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5746 (cpp$(exeext)): Likewise.
5747 (gcc.o): Also depend on opts.h.
5748 (opts-common.o): New.
5750 * common.opt (gcoff): Add Negative(gdwarf-2).
5751 (gdwarf-2): Add Negative(gstabs).
5752 (gstabs): Add Negative(gstabs+).
5753 (gstabs+): Add Negative(gvms).
5754 (gvms): Add Negative(gxcoff).
5755 (gxcoff): Add Negative(gxcoff+).
5756 (gxcoff+): Add Negative(gcoff).
5757 * config/i386/i386.opt (m32): Add Negative(m64).
5758 (m64): Add Negative(m32).
5760 * doc/options.texi: Document the Negative option.
5762 * gcc.c: Include "opts.h".
5763 (main): Call prune_options after expandargv.
5765 * optc-gen.awk: Generate common declarations for all flag
5766 variables in options.c. Output the neg_index field.
5768 * opts.c (find_opt): Moved to ...
5769 * opts-common.c: Here. New file.
5771 * opts.h (cl_option): Add a neg_index field.
5773 (prune_options): Likewise.
5775 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5778 * omp-low.c (expand_omp_parallel): Don't assert
5779 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5780 instead search for it.
5783 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5786 2006-05-16 Andreas Schwab <schwab@suse.de>
5788 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5791 2006-05-15 Roger Sayle <roger@eyesopen.com>
5794 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5795 integer constants other than zero are only legitimate on TARGET_64BIT.
5796 <CONST_VECTOR> Only zero vectors are legitimate.
5797 (ix86_cannot_force_const_mem): Integral and vector constants can
5798 always be put in the constant pool.
5800 2006-05-16 DJ Delorie <dj@redhat.com>
5802 * crtstuff.c (__dso_handle): Set section from
5803 TARGET_LBIGCC_SDATA_SECTION if defined.
5804 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5805 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5807 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5810 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5813 2006-05-16 Ben Elliston <bje@au.ibm.com>
5815 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5817 2006-05-15 Per Bothner <per@bothner.com>
5819 * tree.c: (last_annotated_node): Use source_locus typedef.
5820 This permits bootstrapping with --enable-mapped-location.
5822 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5824 PR tree-optimization/26830
5825 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5826 (info_for_ssa_name, current_info_for_ssa_name_age,
5827 blocks_to_update): New variables.
5828 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5829 (clear_ssa_name_info, initialize_flags_in_bb,
5830 mark_block_for_update): New functions.
5831 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5832 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5833 prepare_def_site_for): Use mark_block_for_update.
5834 (mark_def_interesting): Assert that the processed block is marked in
5835 blocks_to_update. Do not take blocks argument.
5836 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5838 (rewrite_update_init_block, rewrite_update_stmt): Only process
5839 blocks with statements to rewrite.
5840 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5841 (update_ssa): Initialize and free blocks_to_update. Do not
5842 clear flags on statements. Do not use blocks bitmap.
5843 * tree.h (SSA_NAME_AUX): Removed.
5844 (struct tree_ssa_name): Removed aux field.
5845 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5847 2006-05-15 Richard Guenther <rguenther@suse.de>
5849 PR tree-optimization/27603
5850 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5851 Do computations in original type.
5853 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5855 * see.c: Code style changes such as redundant paranthesis,
5856 redundant intialization of local variables etc.
5857 (see_main): Declared now as static.
5858 * doc/invoke.texi: Update that -fsee is not enabled by
5861 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5863 * omp-low.c (check_omp_nesting_restrictions): New function.
5864 (scan_omp_1): Call it.
5867 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5868 construct, return *VAR.
5870 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5872 PR rtl-optimization/27406
5873 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5876 2006-05-14 Roger Sayle <roger@eyesopen.com>
5878 PR rtl-optimization/27538
5879 * combine.c (expand_compound_operation): Call gen_lowpart
5880 before calling simplify_shift_const.
5882 2006-05-14 Roger Sayle <roger@eyesopen.com>
5884 PR rtl-optimization/22563
5885 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5886 a fixed width bitfield, always force the intermediates into psuedos.
5888 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5891 * mkconfig.sh: Use operator = instead of == for test.
5893 2006-05-13 Nick Clifton <nickc@redhat.com>
5895 * dwarf2out.c (dbx_reg_number): Check return value from
5896 LEAF_REG_REMAP and only use it if it is valid.
5897 (multiple_reg_loc_descriptor): Likewise.
5899 2006-05-13 Richard Guenther <rguenther@suse.de>
5901 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5904 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5906 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5907 information attached to non-INSNs such as NOTEs.
5908 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5910 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5912 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5914 * config/s390/s390.md: Adjust comment describing On constraint.
5916 2006-05-11 Jan Hubicka <jh@suse.cz>
5918 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5919 to be output at -O0.
5921 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5924 * fold-const.c (size_binop): Move sanity check for arguments to
5925 the beginning of the function.
5928 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5931 2006-05-11 Richard Guenther <rguenther@suse.de>
5934 * fold-const.c (fold_unary): Handle intermediate conversion
5935 to a pointer type like intermediate conversion to an integer
5936 type in folding of (T1)(T2)var to var.
5937 Match the code to the comment in the final conversion for
5938 (T1)(T2)var to (T1)var regarding to type precision. Rather
5939 than disallow T1 being of pointer type, assert that both T1
5940 and var are of pointer type or not. Make sure not to fall
5941 over the frontends lazyness wrt array to pointer decay though.
5943 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5945 * arm.c (arm_struct_value_rtx): Delete.
5946 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5947 (arm_init_cumulative_args): Always initialize nregs to zero.
5949 2006-05-10 Richard Guenther <rguenther@suse.de>
5951 PR tree-optimization/27532
5952 * tree-object-size.c (plus_expr_object_size): Fix typo.
5954 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5957 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5958 ashrdi_const, ashrdi3): Use a scratch register.
5960 2006-05-10 Richard Guenther <rguenther@suse.de>
5962 PR tree-optimization/27302
5963 * fold-const.c (operand_equal_p): For two comparisons,
5964 try comparison of one comparison code swapped if that yields
5967 2006-05-10 Ben Elliston <bje@au.ibm.com>
5969 * tree-pretty-print.c (pretty_print_string): No need to handle
5970 '\0' as a special character.
5972 * tree.h: Include "hashtab.h".
5973 (iterative_hash_expr): Use hashval_t in its prototype.
5974 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5976 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5979 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5980 (hppa*64*-*-hpux11*): Ditto.
5981 (hppa[12]*-*-hpux11*): Ditto.
5983 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5986 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5988 2006-05-09 Michael Matz <matz@suse.de>
5990 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5991 host_extra_gcc_objs and host_xmake_file.
5992 (<*-*-linux*>): Don't overwrite host_xmake_file.
5993 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5994 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5995 (host_detect_local_cpu): Declare.
5996 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5997 * config/i386/i386.c (override_options): Handle -mtune=native
5999 * config/i386/x-i386: New file.
6000 * config/i386/driver-i386.c: New file.
6001 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6004 2006-05-09 Dirk Mueller <dmueller@suse.de>
6005 Richard Guenther <rguenther@suse.de>
6008 * fold-const.c (fold_read_from_constant_string): Relax check
6009 for matching types to matching modes.
6011 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6013 PR rtl-optimization/27335
6014 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6017 2006-05-08 Chao-ying Fu <fu@mips.com>
6018 Richard Sandiford <richard@codesourcery.com>
6020 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6021 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6022 * config/mips/mips.md (UNSPEC_SCC): New constant.
6023 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6024 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6025 (mips_emit_compare): Use it.
6026 (mips_expand_vcondv2sf): New function.
6028 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6030 Fix PR tree-optimization/27093
6031 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6032 renaming when they become not-used_alone.
6034 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6036 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6037 relocation and relocation stubs.
6039 2006-05-08 Eric Christopher <echristo@apple.com>
6041 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6044 2006-05-08 Jan Hubicka <jh@suse.cz>
6047 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6048 unused static functions are needed.
6050 2006-05-08 Roger Sayle <roger@eyesopen.com>
6053 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6054 of a reg_equiv_constant if the result is a legitimate constant.
6056 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6059 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6060 standard 80387 constants, raise the cost to prevent
6061 compress_float_constant() to generate load from memory.
6063 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6065 * config/arm/constraints.md (c): Fix a typo.
6067 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6070 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6073 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6075 (_mm_mwait): Likewise.
6077 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6079 (sse3_monitor): Make it 32bit only.
6080 (sse3_monitor64): New. 64bit monitor.
6082 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6085 * config/i386/i386.c (classify_argument): Skip fields with invalid
6088 2006-05-07 Richard Guenther <rguenther@suse.de>
6090 PR tree-optimization/27409
6091 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6092 Do not try to find zero-sized subvars.
6094 2006-05-07 Richard Guenther <rguenther@suse.de>
6096 PR tree-optimization/27136
6097 * tree-ssa-loop-niter.c (get_val_for): Correct function
6098 comment, assert requirements.
6099 (loop_niter_by_eval): Stop processing if the iterated
6100 value did not simplify.
6102 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6104 * opts.c (flag_see): remove its setting at -O3.
6106 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6108 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6109 * arm/constraints.md: New file.
6110 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6111 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6112 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6113 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6114 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6115 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6116 * arm.md: Include constraints.md.
6117 (thumb_movsi_insn): Use satisfies_constraint_J.
6118 (movhi, movqi): Use satisfies_constraint_I.
6120 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6122 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6123 for atmeg a645 device.
6125 2006-05-06 Richard Guenther <rguenther@suse.de>
6127 PR tree-optimization/27151
6128 * tree-vect-transform.c (vectorizable_condition): Punt on
6129 values that have a different type than the condition.
6131 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6134 * c-parser.c (c_parser_cast_expression): Only insert casts into
6135 hash table if pointer.
6136 * function.c (used_types_insert_helper): Rename from
6138 (used_types_insert): Call used_types_insert_helper.
6139 * function.h (used_types_insert): Accept only one argument.
6141 2006-05-05 David Edelsohn <edesohn@gnu.org>
6143 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6144 scratch with output modifier.
6146 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6149 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6150 with output modifier.
6152 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6155 * config/mips/mips.c (mips_symbolic_address_p): Return true
6156 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6157 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6159 2006-05-04 Richard Guenther <rguenther@suse.de>
6161 PR tree-optimization/14287
6162 PR tree-optimization/14844
6163 PR tree-optimization/19792
6164 PR tree-optimization/21608
6165 PR tree-optimization/27090
6166 * tree-ssa-pre.c (try_combine_conversion): New function.
6167 (compute_avail): After constructing the value-handle
6168 expression, use try_combine_conversion to combine NOP_EXPRs
6169 with previous value-handle expressions and use the result if it
6172 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6174 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6176 2006-05-04 Jan Hubicka <jh@suse.cz>
6179 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6181 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6183 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6184 that this only matches CONST_INTs. All users changed to VOIDmode
6187 * config/bfin/bfin.c: Include "optabs.h".
6188 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6190 (enum bfin_builtins): Add a number of fractional and vector builtins.
6191 (bfin_init_builtins): Likewise.
6192 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6193 (safe_vector_operand, bfin_expand_binop_builtin,
6194 bfin_expand_unop_builtin): New functions.
6195 (bfin_expand_builtin): Handle the new builtins.
6196 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6199 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6202 * Makefile.in (OBJS-common): Add see.o.
6203 (see.o): Add dependencies.
6204 * common.opt (fsee): New flag for the see optimization was added.
6205 * opts.c (flag_see): Initialized.
6206 * passes.c (init_optimization_passes, pass_see): New pass.
6207 * rtl.h (see_main): Declaration as extern.
6208 * timevar.def (TV_SEE): New.
6209 * tree-pass.h (pass_see): Declaration as extern.
6210 * invoke.texi (-fsee): Document.
6211 * recog.c (validate_simplify_insn): New function.
6212 * recog.h (validate_simplify_insn): Declaration as extern.
6213 * df-problems.c (df_chain_dump): Check for NULL.
6215 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6216 Daniel Berlin <dberlin@dberlin.org>
6218 * cfgrtl.c (insert_insn_bb_end_new): New function.
6219 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6221 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6223 * df.h (struct web_entry): Moved from web.c.
6224 (union_defs): Declaration as extern.
6225 (unionfind_root): Likewise.
6226 (unionfind_union): Likewise.
6227 * web.c (struct web_entry): Moved to df.h.
6228 (unionfind_root): Remove static declaration.
6229 (unionfind_union): Likewise.
6230 (union_defs): Likewise and generalize to use callback function.
6231 (web_main): Update arguments for union_defs function call.
6233 2006-05-04 Richard Guenther <rguenther@suse.de>
6235 PR tree-optimization/26447
6236 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6237 produce SSA_NAME copies before the store stmt to avoid
6238 breaking exception handling.
6240 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6243 * gimplify.c (omp_is_private): If var is shared in some outer context,
6244 return false instead of true. Stop searching on parallel context
6247 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6250 * coverage.c: Use get_gcov_unsigned_t() instead of
6251 unsigned_type_node all over.
6253 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6255 PR tree-optimization/27381
6256 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6257 maintain the same immediate_use links.
6258 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6259 node rather than segfaulting.
6261 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6264 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6265 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6266 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6268 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6270 Fix PR tree-optimization/26626
6271 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6273 * tree-ssa-operands.c (access_can_touch_variable): Allow
6274 typecasting through union pointers.
6276 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6279 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6280 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6281 to find if var will be a global variable even in the nested context.
6282 (omp_copy_decl): Only check for global variable at the end, it might
6283 be overridden in outer contexts.
6284 (scan_sharing_clauses): For global variables don't create a field.
6285 (lower_rec_input_clauses): Do nothing for global shared variables.
6286 Emit a barrier at the end of ILIST if there were any decls in both
6287 firstprivate and lastprivate clauses.
6288 (lower_send_clauses): Do nothing for global variables except for
6291 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6293 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6294 of the correct signedness is returned.
6296 2006-05-02 Jeff Law <law@redhat.com>
6298 PR tree-optimization/27364
6299 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6300 multiply expressions.
6302 2006-05-02 Tom Tromey <tromey@redhat.com>
6304 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6306 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6309 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6310 -mthumb -fPIC are used.
6312 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6313 Joshua Kinard <kumba@gentoo.org>
6316 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6317 with 64-bit pointers.
6319 2006-05-02 Paul Brook <paul@codesourcery.com>
6321 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6323 (create_fix_barrier): Check that a suitable barrier location is
6325 (arm_reorg): Include ftmp->address in allowable range of addresses.
6327 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6330 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6333 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6336 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6337 around RESULT_DECL for result passed by reference.
6338 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6339 * omp-low.c (use_pointer_for_field): Don't look at
6340 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6341 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6342 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6343 time or var for passing by reference for
6344 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6345 TREE_ADDRESSABLE variables when passing by reference.
6347 * omp-low.c (dump_omp_region): Fix output formatting.
6350 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6351 (expand_omp_parallel): Likewise.
6352 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6355 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6356 on statement list containing also constructors and destructors.
6357 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6360 * except.c (duplicate_eh_regions): Fix clearing of
6361 cfun->eh->region_array entries.
6363 2006-05-01 DJ Delorie <dj@redhat.com>
6365 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6367 (gcc_cv_objdump): Likewise.
6368 * configure: Regenerated.
6370 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6373 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6374 templates for case 3 and 4.
6376 2006-05-01 DJ Delorie <dj@redhat.com>
6378 * vec.c: Include bconfig.h when appropriate.
6379 * Makefile.in (build/vec.o): Adjust dependencies.
6380 * mkconfig.sh: Make sure config.h isn't used for build machine
6383 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6385 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6387 (mark_phi_for_rewrite): New function.
6388 (insert_phi_nodes_for, mark_use_interesting): Call
6389 mark_phi_for_rewrite.
6390 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6391 (update_ssa): Initialize and free phis_to_rewrite.
6393 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6395 PR rtl-optimization/27291
6396 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6397 folded to a constant.
6399 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6401 PR tree-optimization/27283
6402 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6403 not whole # of iteration descriptions.
6404 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6405 uses abnormal ssa name.
6406 (niter_for_single_dom_exit): Ditto.
6407 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6408 return just the number of iterations.
6410 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6412 PR tree-optimization/27144
6413 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6414 (record_estimate): Only record constant upper bound.
6415 (infer_loop_bounds_from_undefined): Call
6416 compute_estimated_nb_iterations just once.
6417 (proved_non_wrapping_p): Renamed to ...
6418 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6419 (convert_step_widening, scev_probably_wraps_p): Call
6420 n_of_executions_at_most instead of proved_non_wrapping_p.
6421 (substitute_in_loop_info): Do not replace values in bounds.
6422 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6425 2006-05-01 Richard Henderson <rth@redhat.com>
6428 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6429 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6432 2006-05-01 Roger Sayle <roger@eyesopen.com>
6434 * c-typeck.c (parser_build_binary_op): Don't call the function
6435 unsigned_conversion_warning to spot operand/result type overflow.
6436 (build_binary_op): Instead, call convert_and_check instead of
6437 convert to report the problem when the operands are promoted.
6438 * c-common.c (unsigned_conversion_warning): Make static.
6439 * c-common.h (unsigned_conversion_warning): Delete prototype.
6441 2006-05-01 Richard Guenther <rguenther@suse.de>
6443 PR tree-optimization/26726
6444 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6446 (find_interesting_uses_address): ... we work around here
6447 by folding INDIRECT_REFs in the substituted base.
6449 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6451 * omp-low.c (dump_omp_region): Add newlines.
6453 2006-04-30 Roger Sayle <roger@eyesopen.com>
6455 * common.opt (Woverflow): New command line option.
6456 * c-common.c (constant_expression_warning): Check warn_overflow.
6457 (overflow_waring): Pass OPT_Woverflow to warning.
6458 (unsigned_conversion_warning): Likewise.
6459 (convert_and_check): Likewise.
6460 * doc/invoke.texi: Document new command line option.
6462 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6464 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6465 TARGET_NO_FP_IN_TOC for section anchors.
6466 (optimization_options): Enable section anchors for all
6467 non-"Objective" languages.
6469 2006-04-28 Eric Christopher <echristo@apple.com>
6471 * config/darwin-c.c (darwin_ms_struct): Move this
6472 (darwin_set_default_type_attributes): and this...
6473 * config/darwin.c: ... here.
6474 * config/darwin.h (darwin_ms_struct): Declare.
6476 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6478 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6480 2006-04-28 Roger Sayle <roger@eyesopen.com>
6483 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6484 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6485 an unsigned HOST_WIDE_INT.
6486 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6488 (really_start_incremental_init): No need to call convert because
6489 bitsize_zero_node is already of type bitsizetype.
6490 (push_init_level): Extract the value of constructor_index as an
6491 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6492 (process_init_element): Likewise.
6494 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6496 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6497 value before passing to make_relative_prefix.
6499 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6502 * builtins.c (expand_builtin_memset): Expand val in original mode.
6504 2006-04-27 Eric Christopher <echristo@apple.com>
6506 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6507 with #ifndef/#endif.
6508 * config/darwin-c.c (darwin_ms_struct): New.
6509 (darwin_pragma_ms_struct): Ditto.
6510 (darwin_set_default_type_attributes): Ditto.
6511 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6512 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6513 Register ms_struct pragma.
6514 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6515 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6516 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6517 darwin_set_default_type_attributes if TARGET_MACHO.
6519 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6521 PR tree-optimization/26854
6522 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6523 * doc/tree-ssa.texi: Update immuse iterator documentation.
6524 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6525 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6526 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6527 first_safe_imm_use, next_safe_imm_use): Remove.
6528 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6529 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6530 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6531 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6532 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6533 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6534 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6535 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6536 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6537 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6538 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6539 (perfect_nestify): Use new iterator.
6540 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6542 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6543 (next_imm_name): New field in struct immediate_use_iterator_d.
6544 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6545 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6546 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6547 * tree-cfg.c (replace_uses_by): Use new iterator.
6548 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6549 * tree-ssa-operands.c (correct_use_link): Remove.
6550 (finalize_ssa_use_ops): No longer call correct_use_link.
6552 2006-04-27 Stuart Hastings <stuart@apple.com>
6554 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6555 * config/t-darwin (crt3.o): Use it.
6556 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6557 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6558 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6559 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6560 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6563 2006-04-27 Roger Sayle <roger@eyesopen.com>
6565 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6566 size, force the intermediate into a new pseudo rather instead of
6567 performing both a bitwise AND and a bitwise IOR in memory.
6569 2006-04-27 Richard Guenther <rguenther@suse.de>
6571 PR rtl-optimization/26685
6572 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6573 this one "max-flow-memory-locations".
6575 2006-04-27 Richard Guenther <rguenther@suse.de>
6577 PR tree-optimization/25148
6578 * tree-vrp.c (compare_values): Remove code dealing with
6579 comparisons against type min/max value. Honour overflow
6580 and negative constants in code dealing with comparisons
6581 of plus and minus expressions.
6582 (value_inside_range): Use fold_binary with LE_EXPR and
6583 GE_EXPR rather than compare_values.
6585 2006-04-27 Dirk Mueller <dmueller@suse.de>
6587 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6590 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6592 * basic-block.h (safe_insert_insn_on_edge): Removed.
6593 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6595 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6596 Paolo Bonzini <bonzini@gnu.org>
6599 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6600 (simplify_and_const_int): Same.
6602 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6604 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6606 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6609 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6610 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6611 cgraph_global_info_ready.
6614 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6617 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6618 either decl or init is error_mark_node.
6621 * tree-flow.h (struct omp_region): Add sched_kind.
6622 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6623 instead of extracting omp for data.
6624 (expand_omp_for): Save extracted sched_kind.
6626 2006-04-25 Roger Sayle <roger@eyesopen.com>
6628 * expmed.c (store_bit_field): Also check whether the bitsize is
6629 valid for the machine's "insv" instruction before moving the
6630 target into a pseudo for use with the insv.
6631 * config/i386/predicates.md (const8_operand): New predicate.
6632 * config/i386/i386.md (extv, extzv, insv): Use the new
6633 const8_operand predicate where appropriate.
6635 2006-04-25 DJ Delorie <dj@redhat.com>
6637 * doc/install.texi (Specific): Clarify that this is not a list of
6638 supported hosts or targets.
6640 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6642 PR rtl-optimization/26725
6643 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6644 block's BB_DIRTY flag.
6646 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6648 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6651 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6652 to print an integer.
6654 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6656 * varasm.c (align_variable): New function.
6657 (get_block_for_decl): Apply align_variable to DECL before
6658 calculating section information.
6659 (assemble_variable): Split out alignment computation.
6661 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6663 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6666 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6668 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6669 MODE_PARTIAL_INT mode.
6670 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6671 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6673 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6674 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6676 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6678 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6680 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6681 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6682 MACFLAG_IH): Likewise.
6683 (movstricthi_1): Renamed from "*movstricthi".
6684 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6685 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6686 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6687 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6688 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6689 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6690 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6691 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6692 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6693 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6694 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6695 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6696 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6697 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6698 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6700 * doc/rtl.texi (ss_ashift): Improve wording.
6702 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6704 * dwarf2out.c (verify_marks_clear): New.
6705 (prune_unused_types): Call verify_marks_clear initially, not
6708 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6710 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6711 * doc/rtl.texi: Document them.
6712 * simplify-rtx.c (simplify_unary_operation,
6713 simplify_binary_operation_1): Don't abort when we see them.
6715 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6718 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6719 * configure.ac: Completely disregard languages that are not
6721 * configure: Regenerated.
6723 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6724 Richard Guenther <rguenther@suse.de>
6726 PR tree-optimization/27236
6727 * tree-inline.c (copy_body_r): Make sure to copy
6728 TREE_THIS_VOLATILE flag.
6730 2006-04-24 Richard Guenther <rguenther@suse.de>
6733 * tree-complex.c (update_parameter_components): Don't handle
6734 unused parameters which have no default def.
6736 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6737 Richard Guenther <rguenther@suse.de>
6739 PR tree-optimization/27218
6740 * tree-inline.c (expand_call_inline): Strip useless type
6741 conversions for the return slot address.
6743 2006-04-24 Richard Guenther <rguenther@suse.de>
6745 * cfgloop.h (struct loops): Remove unused field array. Reorder
6747 (LOOP_PREFETCH): Remove.
6749 2006-04-24 Richard Guenther <rguenther@suse.de>
6751 PR tree-optimization/22525
6752 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6753 variable, adjust types of generated expressions.
6755 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6757 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6758 (tree-vect-patterns.o): Likewise.
6760 (cselib.o): Likewise.
6761 (loop-doloop.o): Likewise.
6762 (regclass.o): Likewise.
6763 (reload1.o): Likewise.
6764 (explow.o): Replace target.h with $(TARGET_H).
6765 (ipa-prop.o): Likewise.
6766 (ipa-cp.o): Likewise.
6767 (ipa-inline.o): Likewise.
6768 (reorg.o): Likewise.
6769 (reg-stack.o): Likewise.
6771 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6773 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6775 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6777 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6779 * configure.ac: Completely disregard languages that are not
6781 * configure: Regenerated.
6784 * c-common.h (c_build_bitfield_integer_type): Declare.
6785 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6786 * c-common.c (c_build_bitfield_integer_type): ... here.
6788 2006-04-23 Roger Sayle <roger@eyesopen.com>
6791 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6792 a SImode SUBREG of a floating point register after no_new_pseudos.
6794 2006-04-23 Roger Sayle <roger@eyesopen.com>
6796 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6797 identify potentially eliminable registers to additionally catch
6798 VIRTUAL_INCOMING_ARGS_REGNUM.
6799 (addsi3): Update the conditions on when to use addsi_small_int.
6801 2006-04-23 Roger Sayle <roger@eyesopen.com>
6804 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6805 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6806 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6808 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6810 * fold-const.c (range_predecessor): Use operand_equal_p
6811 as the predicate for equality.
6812 (range_successor): Likewise.
6814 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6817 * config/soft-fp/op-common.h: Fix a typo.
6819 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6822 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6823 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6825 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6827 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6829 * doc/tm.texi: Fix a typo.
6831 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6833 * dwarf2out.c (struct die_struct): Document that die_sib makes
6834 a circular linked list.
6835 (FOR_EACH_CHILD): New.
6836 (reverse_die_lists): Delete.
6837 (reverse_all_dies): Delete.
6838 (add_dwarf_attr): Correct documentation.
6839 (remove_child_with_prev): New.
6840 (remove_child_TAG): Update for change to die_struct, use
6841 remove_child_with_prev.
6842 (add_child_die): Update for change to die_struct.
6843 (splice_child_die): Use remove_child_with_prev and add_child_die.
6844 (print_die): Use FOR_EACH_CHILD.
6845 (die_checksum): Likewise.
6846 (assign_symbol_names): Likewise.
6847 (output_location_lists): Likewise.
6848 (build_abbrev_table): Likewise.
6849 (calc_die_sizes): Likewise.
6850 (mark_dies): Likewise.
6851 (unmark_dies): Likewise.
6852 (unmark_all_dies): Likewise.
6853 (output_die): Likewise.
6854 (prune_unused_types_mark): Likewise.
6855 (prune_unused_types_walk): Likewise.
6856 (same_die_p): Update for change to die_struct.
6857 (break_out_includes): Likewise.
6858 (prune_unused_types_prune): Likewise.
6859 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6860 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6862 (dwarf2out_finish): Don't call reverse_all_dies.
6864 2006-04-21 Eric Christopher <echristo@apple.com>
6866 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6867 in comments and function names.
6869 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6872 * c-typeck.c (digest_init): Robustify.
6874 * c-typeck.c (pop_init_level): Simplify.
6876 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6878 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6880 2006-04-21 Paul Brook <paul@codesourcery.com>
6882 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6883 hardware floating point.
6885 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6887 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6890 2006-04-21 Nick Clifton <nickc@redhat.com>
6892 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6895 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6898 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6899 C++ lang type in traceback table for Objective-C++.
6901 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6903 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6905 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6907 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6910 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6911 were errors. Remove check for erroneous objects.
6913 2006-04-20 Jeff Law <law@redhat.com>
6915 PR tree-optimization/26854
6916 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6917 checking for zero or one use.
6918 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6919 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6920 * tree-ssa-reassoc.c (negate_value): Similarly.
6921 (reassociate_bb): Similarly.
6923 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6925 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6926 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6927 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6929 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6931 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6932 fp regs if the last fp arg doesn't fit in regs.
6934 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6937 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6938 that the last insn has the REG_INC note.
6940 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6941 Nathan Sidwell <nathan@codesourcery.com>
6944 * stor-layout.c (update_alignment_for_field): Do not align
6946 (place_union_field): Place union field at the start of the union.
6947 (place_field): Move ERROR_MARK check later, and use the current
6948 allocation position to maintain monotonicity.
6950 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6952 * dominance.c: Include timevar.h.
6953 (calculate_dominance_info): Use TV_DOMINANCE.
6954 * timevar.def (TV_DOMINANCE): New timevar.
6955 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6957 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6959 PR rtl-optimization/14261
6960 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6961 move would be an INSV insn.
6962 (noce_process_if_block): Don't optimize if the destination is a
6963 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6965 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6967 * config/s390/s390.md: Add comments with the instructions emitted
6968 by an insn pattern if macros are used.
6970 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6972 PR rtl-optimization/26026
6973 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6974 is a known power of two shifted left a variable amount.
6976 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6978 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6979 to hash table twice when the debug_str section has SECTION_MERGE.
6981 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6983 * config/soft-fp: New directory. From glibc.
6984 * config/soft-fp/t-softfp: New.
6985 * config/soft-fp/README: New.
6986 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6987 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6988 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6989 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6990 * config.gcc: Use rs6000/t-fprules-fpbit or
6991 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6993 * config/rs6000/sfp-machine.h: New. Based on glibc.
6994 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6996 * config/rs6000/t-fprules: Remove fp-bit rules.
6997 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6998 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6999 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7000 (softfp_wrap_start, softfp_wrap_end): New.
7002 2006-04-18 DJ Delorie <dj@redhat.com>
7004 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7006 2006-04-18 Devang Patel <dpatel@apple.com>
7008 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7010 2006-04-18 Nick Clifton <nickc@redhat.com>
7012 * config/sh/t-symbian: Add rule to build sh-c.o
7013 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7014 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7015 (sh_symbian_encode_section_info): Likewise.
7017 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7019 * builtins.c (expand_builtin_strcmp): Cover label definition of
7020 do_libcall with HAVE_cmpstrnsi.
7022 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7024 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7026 * function.h (temp_slot_p): New.
7027 (function): Change the type of x_used_temp_slots to
7028 VEC(temp_slot_p,gc) *.
7030 2006-04-18 Nick Clifton <nickc@redhat.com>
7032 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7033 flag_strength_reduce.
7035 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7037 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7041 Partial revert of revision 112637
7042 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7043 Dale Johannesen <dalej@apple.com>
7046 * regclass.c (struct reg_pref): Update documentation.
7047 (regclass): Set prefclass to NO_REGS if memory is the best option.
7048 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7050 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7052 PR tree-optimization/26821
7053 * tree-ssa-math-opts.c (get_constant_one): New.
7054 (insert_reciprocals): Use it.
7056 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7058 * dwarf2out.c (free_AT): Delete.
7059 (remove_AT): Update string ref counts.
7060 (remove_child_TAG): Don't call free_die.
7062 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7063 or DW_TAG_GNU_EINCL.
7064 (prune_unused_types_walk_attribs): Reset string refcounts.
7065 (prune_unused_types_update_strings): New.
7066 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7067 call free_die. Do call prune_unused_types_update_strings.
7068 (prune_unused_types): Empty debug_str_hash.
7070 2006-04-17 Roger Sayle <roger@eyesopen.com>
7072 * expr.c (expand_assignment): Optimize away no-op moves where the
7073 source and destination are equal and have no side-effects.
7075 2006-04-17 Richard Guenther <rguenther@suse.de>
7078 * reload.c (push_reload): Guard calls to get_secondary_mem
7081 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7083 * alias.c (reg_base_value, old_reg_base_value): Change the
7084 type to VEC(rtx,gc) *.
7085 (REG_BASE_VALUE, find_base_value, record_set,
7086 init_alias_analysis): Use VEC instead of VARRAY.
7088 * alias.c (alias_sets): Change the type to
7089 VEC(alias_set_entry,gc) *.
7090 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7091 VEC instead of VARRAY.
7092 (last_alias_set): Remove.
7094 * cgraph.h (cgraph_edge_p): New.
7095 Update the prototype of cgraph_function_versioning.
7096 * cgraphunit.c (cgraph_copy_node_for_versioning,
7097 cgraph_function_versioning): Use VEC instead of VARRAY.
7098 * ipa-cp.c (ipcp_insert_stage): Likewise.
7100 2006-04-16 Roger Sayle <roger@eyesopen.com>
7103 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7104 "A op B" or "A op C", we may need to convert A to the type of B and C.
7106 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7108 * target.h (struct gcc_target): Add mode_rep_extended.
7109 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7110 (init_num_sign_bit_copies_in_rep): Initialize it using
7112 (truncate_to_mode): Use it.
7113 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7114 * targhooks.h (default_mode_rep_extended): Declare it.
7115 * targhooks.c (default_mode_rep_extended): Define it.
7116 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7117 default_mode_rep_extended.
7118 (TARGET_INITIALIZER): Include it.
7119 * doc/tm.texi (Misc): Document it.
7120 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7121 (mips_truncated_to_mode): New function.
7123 2006-04-16 Roger Sayle <roger@eyesopen.com>
7126 * expr.c (compress_float_constant): Copy the narrow constant into
7127 a new pseudo before extending it to its final width.
7129 2006-04-16 Roger Sayle <roger@eyesopen.com>
7130 Andrew Pinski <pinskia@gcc.gnu.org>
7131 Dale Johannesen <dalej@apple.com>
7134 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7135 special case code to implement V8HImode and V16QImode with SSE2.
7137 2006-04-15 Roger Sayle <roger@eyesopen.com>
7139 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7140 trees are constructed with a suitable tree type.
7142 2006-04-15 Roger Sayle <roger@eyesopen.com>
7144 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7145 (integer_onep): Likewise.
7146 (integer_all_onesp): Likewise.
7147 (integer_pow2p): Likewise.
7148 (integer_nonzerop): Likewise.
7149 (real_zerop): Likewise.
7150 (real_onep): Likewise.
7151 (real_twop): Likewise.
7152 (real_minus_onep): Likewise.
7153 (int_size_in_bytes): Likewise.
7154 (host_integerp): Likewise.
7156 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7158 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7159 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7160 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7162 * tree-ssa-structalias.h (alias_info): Remove num_references.
7164 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7166 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7167 (output_bvb patterns): Likewise.
7168 * pa.c (output_bb): Use 'bb' insn for long branch case.
7169 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7170 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7171 1. Correct length operand for alternatives 1 and 2.
7172 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7173 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7175 2006-04-14 Roger Sayle <roger@eyesopen.com>
7177 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7178 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7179 were accidentally reverted by r112959.
7181 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7184 * except.h (eh_region_outermost): New prototype.
7185 * except.c (eh_region_outermost): New function.
7186 * tree-cfg.c (find_outermost_region_in_block): Use it.
7188 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7190 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7192 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7193 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7194 (init_reload, reload): Use VEC instead of VARRAY.
7195 * reload.h: Update the prototype for
7196 reg_equiv_memory_loc_varray.
7198 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7199 Eric Botcazou <ebotcazou@libertysurf.fr>
7201 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7204 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7207 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7208 to expand fallback builtin function call.
7210 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7213 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7214 and emit libcall here in case the builtin fails.
7215 (expand_builtin_strcmp): Always emit the libcall here on failure.
7217 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7219 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7220 * flow.c (reg_n_info): Change the type to
7221 VEC(reg_info_p,heap) *.
7222 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7224 * regs.h (reg_info_p): New.
7225 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7226 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7227 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7230 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7232 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7234 * params.h (MAX_SCHED_READY_INSNS): New macro.
7235 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7236 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7237 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7238 the ready list for 1 cycle during the first scheduling pass.
7239 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7241 2006-04-13 Richard Henderson <rth@redhat.com>
7244 * gimple-low.c (lower_omp_directive): Remove dead code.
7245 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7246 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7247 * omp-low.c (struct omp_region): Move to tree-flow.h.
7248 (root_omp_region): Export.
7249 (omp_regions, lookup_omp_region): Remove.
7250 (determine_parallel_type): Update for struct omp_region changes.
7251 (dump_omp_region): Dump regions with block numbers.
7252 (new_omp_region): Take type and block instead of stmt; malloc
7254 (free_omp_region_1, free_omp_regions): New.
7255 (expand_parallel_call): Take entry_stmt as argument; update for
7256 changes to omp_region.
7257 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7258 (remove_exit_barriers): New.
7259 (expand_omp_parallel): Update for struct omp_region changes.
7260 (expand_omp_synch): Likewise.
7261 (expand_omp): Likewise.
7262 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7263 (expand_omp_for_static_chunk): Likewise.
7264 (expand_omp_for): Likewise.
7265 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7266 (expand_omp_sections): Similarly, with GOMP_sections_end.
7267 (expand_omp_single): New.
7268 (build_omp_regions_1): Update for OMP_CONTINUE.
7269 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7270 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7271 OMP_SECTIONS_SECTIONS.
7272 (lower_omp_single_simple): Don't emit barrier here.
7273 (lower_omp_single_copy): Likewise.
7274 (lower_omp_single): Fix bindings, and lower to straightline now.
7275 (lower_omp_master, lower_omp_ordered): Likewise.
7276 (lower_omp_critical): Likewise.
7277 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7278 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7279 omp edges, free it afterward.
7280 (make_omp_sections_edges): Remove.
7281 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7282 (move_stmt_r): Handle OMP_CONTINUE.
7283 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7284 statement pointers to basic blocks. Add type member.
7285 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7286 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7287 * tree-inline.c (estimate_num_insns_1): Likewise.
7288 * tree-pretty-print.c (dump_generic_node): Likewise.
7289 * tree-ssa-operands.c (get_expr_operands): Likewise.
7290 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7291 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7292 (OMP_CONTINUE): New.
7293 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7294 (OMP_SECTIONS_SECTIONS): Remove.
7295 (OMP_SECTION_LAST): New.
7296 (OMP_RETURN_NOWAIT): New.
7298 2006-04-13 Roger Sayle <roger@eyesopen.com>
7300 * fold-const.c (native_encode_vector, native_interpret_real):
7301 Correct obvious mistakes in the previous check-in.
7303 2006-04-13 Roger Sayle <roger@eyesopen.com>
7305 * fold-const.c (native_encode_expr): New function to encode
7306 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7307 or VECTOR_CST into a specified buffer.
7308 (native_encode_int): New function.
7309 (native_encode_real): New function.
7310 (native_encode_complex): New function.
7311 (native_encode_vector): New function.
7312 (native_interpret_expr): Inverse of native_encode_expr to convert
7313 a target representation into an INTEGER_CST, REAL_CST etc...
7314 (native_interpret_int): New function.
7315 (native_interpret_real): New function.
7316 (native_interpret_complex): New function.
7317 (native_interpret_vector): New function.
7318 (fold_view_convert_expr): New function to constant fold/evaluate
7319 a VIEW_CONVERT_EXPR of a suitable constant expression.
7320 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7321 Change call of build1 to fold_build1 when constructing a
7324 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7325 Ulrich Weigand <uweigand@de.ibm.com>
7328 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7331 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7334 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7335 optimize to lo_sum for DFmode if !TARGET_FPRS.
7337 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7339 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7340 delete_alias_info, compute_flow_sensitive_aliasing,
7341 group_aliases): Use VEC instead of VARRAY.
7342 * tree-ssa-structalias.c (update_alias_info): Likewise.
7343 * tree-ssa-structalias.h (alias_info): Change the type of
7344 processed_ptrs to VEC(tree,heap) *.
7346 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7349 * config/sh/lib1funcs.h: New file, broken out of:
7350 * config/sh/lib1funcs.asm.
7351 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7353 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7354 * config/sh/lib1funcs-Os-4-200.asm: New file.
7355 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7356 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7357 (EXTRA_MULTILIB_PARTS): Include it.
7358 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7359 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7360 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7361 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7364 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7366 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7367 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7368 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7370 * tree-ssa-live.h: Include vecprim.h.
7371 (tree_partition_associator_d): Change the type of
7372 first_partition to VEC(int,heap) *.
7373 (tpa_first_partition): Use VEC instead of VARRAY.
7375 * Makefile.in (GTFILES): Move functions.h after tree.h.
7376 * function.c (reset_block_changes, record_block_change,
7377 check_block_change, free_block_changes): Use VEC instead of
7379 * function.h (function): Change the type of
7380 ib_boundaries_block to VEC(tree,gc) *.
7381 * tree-inline.c (copy_cfg_body): Initialize
7382 ib_boundaries_block to NULL instead of (varray_type) 0.
7384 2006-04-12 Roger Sayle <roger@eyesopen.com>
7386 * expr.c (emit_group_store): Correct operand order in call to
7387 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7388 a SUBREG_BYTE of zero.
7390 2006-04-12 Richard Guenther <rguenther@suse.de>
7392 * profile.c (compute_branch_probabilities): Remove code
7393 encapsulated in !ir_type (), which are remanents of the
7394 removed RTL profiling code.
7395 * rtl-profile.c: Remove.
7397 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7399 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7400 magic NULL_RTX comment.
7401 (function_arg): Store entire fp arg to mem if any part should go
7403 (rs6000_arg_partial_bytes): Adjust for above change.
7405 2006-04-11 Roger Sayle <roger@eyesopen.com>
7407 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7408 if it hasn't been initialized by dwarf2out_init.
7410 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7412 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7413 symbolic constants in branch patterns.
7415 2006-04-11 Roger Sayle <roger@eyesopen.com>
7417 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7419 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7421 PR rtl-optimization/27073
7422 * gcse.c (try_replace_reg): Revert last change. Continue to search
7423 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7426 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7428 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7429 aggregate types other than record and union types.
7430 (function_arg): Likewise.
7431 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7433 (function_value): In 64-bit mode, return objects that require it
7436 2006-04-11 Roger Sayle <roger@eyesopen.com>
7438 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7440 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7442 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7444 2006-04-03 Jeff Law <law@redhat.com>
7447 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7448 alias information too.
7450 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7452 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7454 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7457 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7458 (premark_used_types_helper): New.
7459 (premark_used_types): New.
7460 (gen_subprogram_die): Call premark_used_types.
7461 (prune_unused_types_walk): Do not prune perennial dies.
7462 * function.c (used_types_insert): New.
7463 * function.h (struct function): Add used_types_hash field.
7464 (used_types_insert): Add prototype.
7465 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7466 * c-parser.c (c_parser_cast_expression): Save casted types in used
7469 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7472 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7473 rs6000_explicit_options.float_gprs.
7475 2006-04-10 Roger Sayle <roger@eyesopen.com>
7477 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7478 from ix86_expand_vector_init_low_nonzero. Take an additional
7479 one_var argument indicating which element is non-zero. Support
7480 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7481 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7482 with one_var instead of ix86_expand_vector_init_low_nonzero.
7484 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7486 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7487 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7488 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7489 build/genextract.o): Depend on vecprim.h.
7490 * cfglayout.c, df-problems.c, function.c, genextract.c,
7491 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7492 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7496 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7498 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7499 Declare VECs of this type.
7500 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7501 (remove_children): Delete.
7502 (add_dwarf_attr): Use VEC routines.
7503 (add_AT_flag): Update for changes to add_dwarf_attr.
7504 (add_AT_int): Likewise.
7505 (add_AT_unsigned): Likewise.
7506 (add_AT_long_long): Likewise.
7507 (add_AT_vec): Likewise.
7508 (add_AT_string): Likewise.
7509 (add_AT_die_ref): Likewise.
7510 (add_AT_fde_ref): Likewise.
7511 (add_AT_loc): Likewise.
7512 (add_AT_loc_list): Likewise.
7513 (add_AT_addr): Likewise.
7514 (add_AT_lbl_id): Likewise.
7515 (add_AT_lineptr): Likewise.
7516 (add_AT_macptr): Likewise.
7517 (add_AT_offset): Likewise.
7518 (add_AT_range_list): Likewise.
7519 (get_AT): Use VEC_iterate.
7520 (remove_AT): Use VEC_ordered_remove.
7521 (free_die): Fold remove_children into here; have it use VEC_iterate.
7522 (print_die): Use VEC_iterate on attrs.
7523 (reverse_die_lists): Don't reverse attr lists.
7524 (die_checksum): Use VEC_iterate on attrs.
7525 (same_die_p): Likewise.
7526 (output_location_lists): Likewise.
7527 (build_abbrev_table): Likewise.
7528 (size_of_die): Likewise.
7529 (unmark_all_dies): Likewise.
7530 (output_abbrev_section): Likewise.
7531 (output_die): Likewise.
7532 (prune_unused_types_walk_attribs): Likewise.
7534 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7536 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7538 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7541 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7543 2006-04-09 Roger Sayle <roger@eyesopen.com>
7545 * expr.c (store_constructor): Don't bother clearing target if
7546 we're about to assign a vector to it using vec_init_optab.
7548 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7550 * tree-ssa-alias.c (lhs_may_store_to): New function.
7551 (recalculate_used_alone): Handle LHS of calls.
7553 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7557 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7558 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7559 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7560 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7561 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7562 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7563 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7564 stubs. Add ".align 8" directives before all ".dword" directives.
7565 (GTHREAD_USE_WEAK): Revise comment.
7566 (TARGET_ATTRIBUTE_WEAK): Define.
7567 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7568 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7569 * stublib.c: New file.
7574 * pa.md (cbranch patterns): Revise arguments used in calls to
7575 output_cbranch, output_bb and output_bvd. Add long branch length
7577 (fbranch patterns): Handle long branches.
7578 (jump): Revise length check. Revise arguments for output_lbranch call.
7579 Add long branch length attributes.
7580 (decrement_and_branch_until_zero): Add long branch length attributes.
7581 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7582 Likewise. Revise arguments for output_parallel_addb and
7583 output_parallel_movb calls.
7584 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7585 output_parallel_movb and output_parallel_addb): Update prototypes.
7586 * pa.c (output_cbranch): Revise arguments. Correct handling of
7587 nullification in long branches.
7588 (output_lbranch): Add new argument to control extraction of delay
7590 (output_bb): Handle long branches.
7591 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7592 output_parallel_addb): Likewise.
7594 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7596 PR rtl-optimization/27073
7597 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7600 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7602 * tree.h (tree_memory_tag): Add old_used_alone.
7603 (SMT_OLD_USED_ALONE): New macro.
7604 * tree-ssa-alias.c (recalculate_used_alone): Stop
7605 marking things for renaming unnecessarily.
7607 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7609 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7610 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7611 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7612 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7613 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7614 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7615 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7616 spelling convensions.
7617 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7618 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7619 typos. Follow spelling conventions.
7621 2006-04-07 DJ Delorie <dj@redhat.com>
7623 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7624 passed on the stack.
7625 (m32c_init_cumulative_args): When a function returns a structure,
7626 always pass the pointer to that return area on the stack.
7627 (m32c_function_arg_advance): Don't increment the parameter number
7628 if we're processing the returned structure pointer.
7629 (pushm_info): Reverse order of registers.
7631 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7633 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7634 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7635 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7636 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7638 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7639 chrec_fold_multiply): Same.
7640 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7641 force_expr_to_var_cost): Same.
7642 * tree-mudflap.c (mf_xform_derefs_1): Same.
7643 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7645 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7647 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7648 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7651 2006-04-07 Jan Hubicka <jh@suse.cz>
7653 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7655 2006-04-07 Richard Guenther <rguenther@suse.de>
7657 PR tree-optimization/26135
7658 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7659 loads for store copy-prop.
7660 (copy_prop_visit_stmt): Likewise.
7662 2006-04-05 Robert Millan <robertmh@gnu.org>
7664 * config/i386/linux.h: Add a comment to mark macros that are
7665 being overriden in config/k*bsd-gnu.h.
7666 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7668 * config/knetbsd-gnu.h: Ditto.
7670 2006-04-06 Jan Hubicka <jh@suse.cz>
7674 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7677 2006-04-06 Mike Stump <mrs@apple.com>
7679 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7680 for HAVE_nonlocal_goto to be consistent.
7681 (expand_builtin_nonlocal_goto): Likewise.
7682 (expand_builtin_strcmp): Use #ifdef instead of #if
7683 for HAVE_cmpstrnsi to be consistent.
7685 2006-04-05 DJ Delorie <dj@redhat.com>
7687 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7690 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7692 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7693 got-relative addressing for anything but SImode.
7695 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7696 even if the calling function doesn't modify them.
7698 2006-04-05 Richard Guenther <rguenther@suse.de>
7700 PR tree-optimization/26919
7701 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7702 to cgraph_estimate_size_after_inlining.
7704 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7706 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7708 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7710 PR tree-optimization/26996
7711 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7712 VECTOR_TYPE variables.
7714 2006-04-05 Richard Guenther <rguenther@suse.de>
7716 PR tree-optimization/26763
7717 * fold-const.c (fold_comparison): Move folding of
7718 PTR + CST CMP PTR + CST ...
7719 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7721 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7723 * doc/install.texi (Prerequisites): Refine some wording on
7724 bootstrapping and ksh.
7725 Move the version numbers of DejaGnu here from the testing section
7726 and fix casing of names.
7727 Fix markup and clarify wording for autogen requirements.
7728 Refer to GCJ instead of just java.
7729 Refer to SVN instead of CVS.
7730 Describe diffutils as useful instead of necessary.
7731 (Downloading the source): Refer to SVN instead of CVS.
7732 Adjust a link to our web site accordingly.
7733 (Configuration): Fix casing of Bison.
7734 (Building): Refer to SVN instead of CVS.
7735 Fix a sentence on the use of Bison and remove duplicate (and
7736 incorrect) version number of Bison requirement.
7737 Remove one redundant list of packages needed for building.
7738 (Specific): Avoid reference to CVS.
7740 2006-04-04 Eric Christopher <echristo@apple.com>
7742 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7743 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7744 (rs6000_handle_struct_attribute): New.
7745 (rs6000_ms_bitfield_layout_p): Ditto.
7747 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7749 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7750 NULL for dso parameter to atexit_common.
7752 2006-04-04 Eric Christopher <echristo@apple.com>
7754 * config/i386/i386.c (machopic_output_stub): Output \t
7755 between instructions and operands.
7757 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7759 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7760 satisfies_constraint_[IL] to explicit tests on value.
7762 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7764 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7765 set_nb_iterations_in_loop): Use build_int_cst instead of
7767 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7768 build_int_cst instead of convert.
7770 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7772 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7773 new value 2 for incoming.
7774 * function.c (expand_function_start): Call struct_value_rtx
7776 * config/sparc/sparc.md: Comment updated_return.
7777 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7778 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7779 struct return if sparc_std_struct_return and incoming is 2.
7780 (print_operand): Do not adjust return if
7781 sparc_std_struct_return.
7783 2006-04-04 Roger Sayle <roger@eyesopen.com>
7785 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7786 convert in the middle-end.
7787 * expr.c (store_expr, store_constructor, get_inner_reference,
7788 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7790 * tree.c (build_range_type): Likewise.
7792 2006-04-04 Tom Tromey <tromey@redhat.com>
7794 * doc/install.texi (Prerequisites): Mention jar.
7796 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7798 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7801 2006-04-04 Matthias Klose <doko@debian.org>
7803 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7807 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7810 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7812 * doc/extend.texi (Function Attributes): Rewrite visibility
7813 attribute documentation.
7814 * doc/invoke.texi (C++ Dialect Options): Rewrite
7815 -fvisibility-inlines-hidden documentation to describe something
7816 entirely different, although in practise compatible.
7817 (Code Gen Options): Warn about system headers in -fvisibility=
7820 * doc/extend.texi (Other Builtins): Document that
7821 __builtin_nan is a compile-time constant only when its argument
7824 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7826 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7827 trying to remove TRUNCATE check if all bits outside the new mode
7828 are identical to the sign bit.
7830 2006-04-03 Jeff Law <law@redhat.com>
7832 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7833 and operand scanning in some common cases.
7835 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7836 Dale Johannesen <dalej@apple.com>
7839 * regclass.c (struct reg_pref): Update documentation.
7840 (regclass): Set prefclass to NO_REGS if memory is the best option.
7841 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7842 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7843 into account. For non-registers, equate an empty preferred
7844 reload class to a `!' in the constraint; move the if clause to
7845 do so after those that reject the insn.
7846 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7848 (find_dummy_reload): Likewise.
7849 * doc/tm.texi (Register Classes): Document what it means
7850 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7851 * config/i386/i386.c (ix86_preferred_reload_class): Force
7852 using SSE registers (and return NO_REGS for floating-point
7853 constants) if math is done with SSE.
7854 (ix86_preferred_output_reload_class): New.
7855 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7856 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7857 * config/i386/i386.md: Remove # register preferences.
7859 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7862 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7863 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7864 the type of nb_iter.
7865 (instantiate_parameters_1): Convert the operands before calling
7866 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7867 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7869 2006-04-02 Roger Sayle <roger@eyesopen.com>
7871 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7872 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7874 * dojump.c (do_jump): Likewise.
7875 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7876 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7877 gimplify_boolean_expr): Likewise.
7878 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7879 * varasm.c (array_size_for_constructor): Likewise.
7880 * tree-object-size.c (compute_object_offset): Likewise.
7882 2006-04-02 Roger Sayle <roger@eyesopen.com>
7885 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7886 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7888 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7890 PR tree-optimization/26939
7891 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7893 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7895 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7896 at_stmt. Convert the type of operands before calling
7897 build_polynomial_chrec.
7898 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7900 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7901 (instantiate_parameters_1): Convert the type of operands before calling
7902 build_polynomial_chrec.
7903 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7904 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7905 reset_evolution_in_loop): Insert asserts to check the types of the
7907 (chrec_type): Moved...
7908 (eq_evolutions_p): Use operand_equal_p.
7909 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7910 the types of the operands.
7911 (chrec_type): ...here.
7912 * tree-data-ref.c (create_data_ref): Convert the operands before
7913 calling chrec_replace_initial_condition.
7914 (same_access_functions, analyze_subscript_affine_affine,
7915 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7916 (compute_subscript_distance, analyze_ziv_subscript,
7917 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7918 analyze_miv_subscript): Convert the operands before calling
7919 chrec_fold_minus or chrec_fold_plus.
7921 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7923 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7924 the dependence_relations vector.
7925 (compute_data_dependences_for_loop): Adjust call to
7926 compute_all_dependences.
7928 2006-04-01 Roger Sayle <roger@eyesopen.com>
7929 Richard Henderson <rth@redhat.com>
7931 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7932 gimple_boolify on the condition before calling gimplify_expr.
7934 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7936 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7937 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7938 the frame size. Update to use the new macros.
7939 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7940 * config/xtensa/ieee754-df.S: Likewise.
7942 2006-03-31 Richard Henderson <rth@redhat.com>
7944 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7945 (make_edges): ... here. Control fallthru creation with a local
7946 variable. Do not play with fake edges.
7947 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7948 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7951 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7953 * dwarf2.h (DW64_CIE_ID): Define.
7954 * dwarf2out.c (DWARF_CIE_ID): Define.
7955 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7956 length header. Use DWARF_CIE_ID.
7957 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7958 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7960 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7962 * config/sh/linux-atomic.asm: New file.
7963 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7965 2006-03-31 DJ Delorie <dj@redhat.com>
7967 * config/m32c/cond.md: Set condition flags properly throughout.
7968 * config/m32c/minmax.md: Likewise.
7969 * config/m32c/prologue.md: Likewise.
7970 * config/m32c/bitops.md: Likewise.
7971 * config/m32c/muldiv.md: Likewise.
7972 * config/m32c/mov.md: Likewise.
7973 * config/m32c/addsub.md: Likewise.
7974 * config/m32c/m32c.md: Likewise.
7975 * config/m32c/jump.md: Likewise.
7976 * config/m32c/shift.md: Likewise.
7978 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7979 conditionally output the pattern for this.
7980 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7981 (m32c_compare_redundant): New.
7982 (m32c_output_compare): New.
7983 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7985 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7986 dest, not src. Allow other 4-byte modes.
7988 2006-03-30 Denis Chertykov <denisc@overta.ru>
7990 * doc/md.texi: Refer to avr/constraints.md instead of
7993 2006-03-30 Roger Sayle <roger@eyesopen.com>
7995 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7996 signed vs. unsigned comparison failures on some hosts.
7998 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8001 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8002 change to FLOAT_REGS.
8004 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8005 (rs6000_override_options): Use it.
8006 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8007 only for -mabi=spe/no-spe and -mabi=altivec.
8009 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8011 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8014 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8016 * Makefile.in: Rename docdir to gcc_docdir.
8018 2006-03-30 Roger Sayle <roger@eyesopen.com>
8021 * expr.c (emit_group_store): Optimize group stores into a pseudo
8022 register by using a paradoxical subreg to initialize the destination
8023 if the first or last member of the group specifies a "low part".
8025 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8028 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8029 * target.h (struct gcc_target.speculate_insn): Change type of the
8030 second parameter to 'int'.
8031 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8032 the second operand of the DEPS_LIST.
8033 (copy_DEPS_LIST_list): Update reference to the second operand of the
8035 * rtl.h (alloc_DEPS_LIST): Update signature.
8036 * sched-int.h (ds_t): Change typedef to 'int'.
8037 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8039 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8041 * haifa-sched.c (try_ready): Change condition to restore
8042 non-speculative pattern of the instruction.
8043 (process_insn_depend_be_in_spec): Code to keep probability of the
8044 speculative dependence non-decreasing.
8046 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8048 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8049 (single_move_for_movmem): ... this. Also change all uses.
8050 (bfin_expand_strmov): Renamed to...
8051 (bfin_expand_movmem): ... this. Also change all uses.
8052 * config/bfin/bfin.md (movstrsi): Renamed to...
8053 (movstrsi): ...this.
8055 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8057 PR tree-optimization/26830
8059 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8060 (copy_prop_visit_stmt): Remove write-only variable ann.
8061 (init_copy_prop): Check variable loop depth here. Do not simulate
8062 memory-tag and virtual operand PHIs except for store copy prop.
8064 2006-03-30 Richard Guenther <rguenther@suse.de>
8066 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8067 variants with double arguments.
8069 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8071 * genpreds.c (write_tm_constrs_h): Delete variable p.
8072 * genconditions.c (write_header): Add tm-constrs.h to included
8074 * genpeep.c (main): Add toplev.h to included headers.
8075 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8076 (build/genpeep.o): Add toplev.h dependency.
8077 * config/rs6000/constraints.md: Add "W" constraint.
8079 2006-03-29 Roger Sayle <roger@eyesopen.com>
8081 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8082 sizes by correctly testing whether the size fits a host integer.
8083 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8084 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8085 SImode range for the default sizetype and bitsizetype.
8087 2006-03-29 Roger Sayle <roger@eyesopen.com>
8089 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8090 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8091 quickly if the argument is already of the correct type.
8092 Call fold_build1 instead of build1. Tidy up blank lines.
8094 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8096 * genemit.c (main): Add tm-constrs.h to included headers.
8097 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8098 * genpeep.c (main): Add tm-constrs.h to included headers.
8099 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8100 (write_tm_constrs_h): this and write complete file.
8101 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8102 (write_insn_preds_c): Add tm-constrs.h to included headers.
8103 (gen_constrs): New variable.
8104 (parse_option): Parse "-c".
8105 (main): Invoke write_tm_constrs_h.
8106 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8107 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8108 (object_out_file): Add tm-constrs.h dependency.
8109 (insn-emit.o): Same.
8110 (insn-output.o): Same.
8111 (insn-peep.o): Same.
8112 (insn-preds.o): Same.
8113 (insn-recog.o): Same.
8114 (tm-constsr.h): New target.
8115 (s-constrs-h): New target.
8117 * config/rs6000/constraints.md: New file.
8118 * config/rs6000/rs6000.c: Include tm-constrs.h.
8119 (num_insn_constant_wide): Convert to satisfies_constraint.
8120 (rs6000_rtx_costs): Convert to satisfies_constraint.
8121 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8122 (CONST_OK_FOR_LETTER_P): Delete.
8123 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8124 (EXTRA_CONSTRAINT): Delete.
8125 (EXTRA_MEMORY_CONSTRAINT): Delete.
8126 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8127 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8128 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8129 satisfies_constraint.
8131 * config/i386/i386.c: Include tm-constrs.h.
8133 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8135 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8136 * tree-data-ref.c (find_data_references_in_loop,
8137 compute_data_dependences_for_loop): Use pointers to VEC.
8138 (analyze_all_data_dependences): Adjust calls.
8139 * tree-data-ref.h (find_data_references_in_loop,
8140 compute_data_dependences_for_loop): Adjust declarations.
8141 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8142 compute_data_dependences_for_loop.
8144 2006-03-29 Paul Brook <paul@codesourcery.com>
8146 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8149 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8151 PR tree-optimization/26859
8152 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8154 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8155 for the step after fold_convert.
8157 2006-03-29 Paul Brook <paul@codesourcery.com>
8159 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8160 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8162 2006-03-29 Paul Brook <paul@codesourcery.com>
8165 * targhooks.c (default_narrow_bitfield): New fuction.
8166 * targhooks.h (default_narrow_bitfield): add prototype.
8167 * target.h (gcc_target): Add narrow_volatile_bitfield.
8168 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8169 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8170 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8171 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8173 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8175 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8177 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8178 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8179 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8180 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8181 (s390_function_arg_float): Allow SDmode and DDmode values to be
8182 passed in floating point registers.
8183 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8184 check with SCALAR_FLOAT_MODE_P.
8185 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8187 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8189 PR tree-optimization/25985
8190 * tree-ssa-loop-niter.c (number_of_iterations_le,
8191 number_of_iterations_ne): Make comments more precise.
8192 (number_of_iterations_cond): Add only_exit argument. Use the
8193 fact that signed variables do not overflow only when only_exit
8195 (loop_only_exit_p): New.
8196 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8197 number_of_iterations_cond.
8199 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8201 PR tree-optimization/26643
8202 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8205 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8207 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8208 (divsi3_i4_int): Likewise.
8210 2006-03-28 Roger Sayle <roger@eyesopen.com>
8212 * expr.c (emit_group_store): Only create a new pseudo reg if the
8213 quantity it needs to hold isn't already a suitable pseudo.
8215 2006-03-28 Jeff Law <law@redhat.com>
8217 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8218 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8220 2006-03-28 Roger Sayle <roger@eyesopen.com>
8222 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8223 the equivalent ~X & Y, and the symmetry related transformations.
8224 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8225 ~X & Y, and symmetry related transforms.
8227 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8229 Revert my 2006-03-27 patches.
8231 2006-03-28 Roger Sayle <roger@eyesopen.com>
8233 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8234 ~(T1)X, when T1 and T2 are integer types of the same precision
8235 and (T2)X isn't an extension.
8237 2006-03-28 Jeff Law <law@redhat.com>
8239 PR tree-optimization/26796
8240 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8241 need EH edge cleanups rather than purging them immediately.
8242 (eliminate_degenerate_phis): Handle queued EH cleanups.
8244 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8246 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8249 2006-03-27 Roger Sayle <roger@eyesopen.com>
8252 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8253 cast BIT_NOT_EXPR operand to the correct type.
8255 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8257 * tree-loop-linear.c: Don't include varray.h.
8258 (gather_interchange_stats, try_interchange_loops,
8259 linear_transform_loops): Use VEC instead of VARRAY.
8260 * lambda-mat.c: Don't include varray.h.
8261 * tree-chrec.c: Same.
8262 * lambda-trans.c: Same.
8263 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8264 VEC instead of VARRAY.
8265 * tree-vectorizer.h: Idem.
8266 * tree-data-ref.c (dump_data_references,
8267 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8268 initialize_data_dependence_relation, finalize_ddr_dependent,
8269 compute_all_dependences, find_data_references_in_loop,
8270 compute_data_dependences_for_loop, analyze_all_data_dependences,
8271 free_dependence_relation, free_dependence_relations,
8272 free_data_refs): Idem.
8273 * tree-data-ref.h (data_reference_p, subscript_p): New.
8274 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8275 VEC instead of VARRAY.
8276 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8277 (find_data_references_in_loop, compute_data_dependences_for_loop,
8278 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8279 dump_data_dependence_relations, free_dependence_relations,
8280 free_data_refs): Adjust declaration.
8281 (lambda_transform_legal_p): Move declaration here...
8282 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8283 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8284 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8285 vect_analyze_data_refs): Use VEC instead of VARRAY.
8286 * lambda.h (lambda_transform_legal_p): ...from here.
8287 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8288 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8289 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8290 tree-chrec.o): Don't depend on VARRAY_H.
8292 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8294 * rtl.def (Copyright): Update date.
8295 (DEPS_LIST): Change type of the second operand to 'int'.
8296 * target.h (Copyright): Update date.
8297 (struct gcc_target.speculate_insn): Change type of the second parameter
8299 * lists.c (Copyright): Update date.
8300 (alloc_DEPS_LIST): Change signature. Update reference to the second
8301 operand of the DEPS_LIST.
8302 (copy_DEPS_LIST_list): Update reference to the second operand of the
8304 * rtl.h (Copyright): Update date.
8305 (alloc_DEPS_LIST): Update signature.
8306 * sched-int.h (Copyright): Update date.
8307 (ds_t): Change typedef to 'int'.
8308 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8310 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8312 * haifa-sched.c (Copyright): Update date.
8313 (try_ready): Change condition to restore non-speculative pattern
8315 (process_insn_depend_be_in_spec): Code to keep probability of the
8316 speculative dependence non-decreasing.
8318 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8320 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8321 shut up the compiler.
8323 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8325 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8326 to use lib prefix for target.
8327 ($(T)libic_invalidate_array_4-200.a): Likewise.
8328 ($(T)libic_invalidate_array_4a.a): Likewise.
8330 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8331 J"orn Rennecke <joern.rennecke@st.com>
8333 * superh.opt: New file.
8334 * sh.c (boardtype, osruntime): Remove.
8335 * superh.h (SUBTARGET_OPTIONS): Remove.
8336 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8338 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8339 arguments with ^ and/or [].
8341 * config.gcc (sh-*-*): Add quoting to account for quirk of
8343 Replace == with = in enable_incomplete_targets test.
8345 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8346 with MASK_LITTLE_ENDIAN.
8348 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8349 * config/sh/sh.opt: Added to some comments.
8350 * config/sh/superh.h: Removed some chaff.
8352 * config/sh/sh.opt: Add m4-[1234]00* options.
8353 * config/sh/sh.c (sh_handle_option): Likewise.
8354 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8355 (ic_invalidate_array_4-100.o): New rule.
8356 ($(T)libic_invalidate_array_4-100.a): Likewise.
8357 (ic_invalidate_array_4-200.o): Likewise.
8358 ($(T)libic_invalidate_array_4-200.a): Likewise.
8359 (ic_invalidate_array_4a.o): Likewise.
8360 ($(T)libic_invalidate_array_4a.a): Likewise.
8361 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8362 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8364 * config/sh/crt1.asm: Merged in profiling code.
8365 * config/sh/superh.h (STARTFILE_SPEC): Override.
8366 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8367 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8368 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8370 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8371 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8372 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8374 * sh.opt (mpretend-cmove): New option.
8375 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8376 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8377 (movsicc): Add TARGET_PRETEND_CMOVE code.
8379 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8381 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8382 s390_class_max_nregs): New function prototypes.
8383 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8384 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8385 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8386 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8388 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8390 * dwarf2out.c (add_location_or_const_value_attribute): Call
8391 tree_add_const_value_attribute if nothing else works.
8392 (reference_to_unused): New.
8393 (rtl_for_decl_init): Use reference_to_unused to decide whether
8394 to output an initializer.
8396 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8399 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8400 peephole removing spe frob_di_df_2.
8402 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8404 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8405 (subscript_dependence_tester_1): Declared.
8406 (print_dir_vectors, print_dist_vectors): New.
8407 (debug_data_dependence_relation): New.
8408 (dump_data_dependence_relation): Print more details.
8409 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8410 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8411 (save_dist_v, save_dir_v, add_outer_distances,
8412 build_classic_dist_vector_1): New.
8413 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8414 Don't test for lambda_vector_lexico_pos.
8415 (same_access_functions, add_multivariate_self_dist,
8416 add_other_self_distances, dir_from_dist): New.
8417 (build_classic_dir_vector): Replace implementation almost identical to
8418 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8420 (subscript_dependence_tester_1): New.
8421 (subscript_dependence_tester): Handle the lexicographically negative
8422 distance vectors by recomputing the dependence relation.
8423 (compute_affine_dependence): Remove parameter loop_nest_depth.
8424 (compute_self_dependence): Don't call compute_subscript_distance.
8425 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8426 Add a parameter for the loop_nest.
8427 (find_loop_nest_1, find_loop_nest): New.
8428 (compute_data_dependences_for_loop): Compute the loop nest, and give
8429 up if the nest is not well formed.
8430 * tree-data-ref.h (loop_p): New.
8431 (struct data_dependence_relation): Replace size_vect field with
8432 loop_nest, a vec of loops.
8433 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8434 (DDR_LOOP_NEST): New.
8435 (print_dir_vectors, print_dist_vectors,
8436 debug_data_dependence_relation): Declared.
8437 (index_in_loop_nest): New.
8438 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8439 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8442 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8444 * simplify-rtx.c (simplify_relational_operation): Call
8445 simplify_relational_operation_1 even if mode is VOIDmode.
8447 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8449 PR tree-optimization/26804
8450 * tree.h (DECL_CALL_CLOBBERED): New macro.
8451 (tree_decl_common): Add call_clobbered_flag.
8452 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8453 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8454 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8455 (mark_non_addressable): Ditto.
8456 * tree-ssa.c (verify_call_clobbered): New function.
8457 (verify_alias_info): Use it.
8458 * tree-pass.h (pass_reset_cc_flags): New prototype.
8459 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8460 (reset_cc_flags): New function.
8461 * passes.c (init_optimization_passes): Call reset_cc_flags after
8462 initializing referenced_vars.
8464 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8465 Roger Sayle <roger@eyesopen.com>
8468 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8469 to 1.0 for non-real operands. Implement A / A optimization for
8472 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8474 * config/i386/i386.c (size_cost): Correct the comment for
8475 cost of storing fp registers.
8476 (i386_cost): Likewise.
8477 (i486_cost): Likewise.
8478 (pentium_cost): Likewise.
8479 (pentiumpro_cost): Likewise.
8480 (k6_cost): Likewise.
8481 (athlon_cost): Likewise.
8482 (k8_cost): Likewise.
8483 (pentium4_cost): Likewise.
8484 (nocona_cost): Likewise.
8485 (generic64_cost): Likewise.
8486 (generic32_cost): Likewise.
8488 2006-03-24 Denis Chertykov <denisc@overta.ru>
8490 * config/avr/avr-protos.h (extra_constraint): Delete.
8491 (extra_constraint_Q): New declaration.
8492 * config/avr/constraints.md: New file.
8493 * config/avr/avr.md: Include it.
8494 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8495 (TMP_REGNO, ZERO_REGNO): Likewise.
8496 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8497 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8498 (extra_constraint): Delete.
8499 (extra_constraint_Q): Test for memory constraint 'Q'.
8500 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8501 (REG_CLASS_FROM_LETTER): Delete.
8502 (CONST_OK_FOR_LETTER_P): Delete.
8503 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8504 (EXTRA_CONSTRAINT): Delete.
8505 (TMP_REGNO): Delete.
8506 (ZERO_REGNO): Delete.
8508 2006-03-24 Jeff Law <law@redhat.com>
8510 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8511 directly. Call mark_new_vars_to_rename slightly earlier.
8513 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8515 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8517 (gen_compile_unit_die): Use new language types for Objective-C and
8519 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8520 DW_LANG_C_plus_plus.
8523 * config/t-darwin (crt3.o): Work around bug 26840.
8524 * config/darwin-crt3.c: Rewrite.
8525 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8527 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8529 * doc/invoke.texi: Document -femit-class-debug-always
8530 * common.opt: Add -femit-class-debug-always.
8532 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8534 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8535 index and base register.
8536 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8537 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8538 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8539 REGNO_OK_FOR_INDEX_P.
8540 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8542 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8543 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8544 REG_OK_FOR_BASE_P): Definitions removed.
8546 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8549 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8550 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8551 set yet or weren't marked as local yet.
8553 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8555 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8558 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8560 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8561 (rs6000_legitimate_small_data_p): Delete.
8562 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8563 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8564 and make static. Add forward declaration. Update uses.
8565 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8566 of offsettable_memref_p.
8567 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8568 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8570 2006-03-24 Jeff Law <law@redhat.com>
8572 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8573 around bug in immediate-use iterator.
8575 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8578 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8579 or __LITTLE_ENDIAN__.
8581 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8583 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8584 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8585 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8586 * config/sh/sh.opt (mdiv=): Amend description.
8587 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8588 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8589 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8590 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8591 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8592 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8593 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8594 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8595 TARGET_DIVIDE_CALL_FP.
8597 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8599 * haifa-sched.c (choose_ready): Fix type of the local variable.
8600 Move local variables. Add comment.
8601 (check_reg_live): Change signature. Make callable from debugger.
8602 * sched-int.h (check_reg_live): Update signature.
8603 * sched-ebb.c (check_reg_live): Update parameters.
8604 * sched-rgn.c (check_reg_live): Ditto.
8605 (region_head_or_leaf_p): Check pointer before dereferencing.
8606 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8607 before reload on optimization levels below 1.
8609 2006-03-23 Richard Henderson <rth@redhat.com>
8611 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8615 * config/alpha/predicates.md (local_symbolic_operand): Reject
8618 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8621 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8622 expressions which have overflowed constants.
8624 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8626 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8628 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8630 * cfgloopmanip.c (create_loop_notes): Removed.
8631 * final.c (final_scan_insn): Do not handle loop notes.
8632 * jump.c (squeeze_notes): Ditto.
8633 * cfglayout.c (skip_insns_after_block,
8634 duplicate_insn_chain): Ditto.
8635 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8637 * cfgloop.h (create_loop_notes): Declaration removed.
8639 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8641 * varasm.c (output_constant_pool): Restore fnname and fndecl
8643 (assemble_start_function): Adjust call accordingly.
8644 (assemble_end_function): Likewise.
8646 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8649 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8652 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8654 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8657 * system.h (ICE_EXIT_CODE): New macro.
8658 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8659 (diagnostic_action_after_output): Likewise.
8660 * gcc.c (fatal_ice): New function.
8661 (execute): Use it instead of fatal.
8662 (fancy_abort): Likewise.
8663 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8665 2006-03-22 Jeff Law <law@redhat.com>
8667 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8668 iv_analyze_result returning false.
8670 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8672 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8674 2006-03-22 Richard Henderson <rth@redhat.com>
8677 * except.c (duplicate_eh_regions_0): New.
8678 (duplicate_eh_region_1): Duplicate the children of the node as
8679 well as the node itself. Link them up properly.
8680 (duplicate_eh_region_2): Merge into ...
8681 (duplicate_eh_regions): ... here. Take copy_region argument, and
8682 copy only a sub-tree if asked. Simplify copying and fixup.
8683 (eh_region_outer_p): New.
8684 * except.h (duplicate_eh_regions): Update decl.
8685 (eh_region_outer_p): Declare.
8686 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8687 (lower_omp_master): Likewise.
8688 (lower_omp_ordered): Likewise.
8689 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8690 (move_stmt_r): Use it to remap labels. Handle recursion vs
8691 remap_decls_p properly.
8692 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8693 (find_outermost_region_in_block): New.
8694 (new_label_mapper): New.
8695 (move_sese_region_to_fn): Copy eh information to the new function
8697 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8699 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8702 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8704 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8705 into shared libraries.
8707 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8709 * doc/md.texi: Refer to i386/constraints.md instead of
8711 * config/i386/constraints.md: New file, extracted from...
8712 * config/i386/predicates.md: ...here.
8713 * config/i386/i386.md: Include constraints.md.
8715 2006-03-21 Jason Merrill <jason@redhat.com>
8717 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8720 * expr.c (init_block_move_fn): Force default visibility.
8721 (init_block_clear_fn): Likewise.
8722 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8723 * targhooks.c (default_external_stack_protect_fail): Likewise.
8725 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8727 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8728 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8729 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8730 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8731 (loadgp): Use mips_current_loadgp_style.
8732 (loadgp_noshared): New pattern.
8733 (sibcall_internal): Use MIPS_CALL.
8734 (sibcall_value_internal): Likewise.
8735 (sibcall_value_multiple_internal): Likewise.
8736 (call_internal): Likewise.
8737 (call_value_internal): Likewise.
8738 (call_value_multiple_internal): Likewise.
8739 (call_split): Use MIPS_CALL and add an 'S' constraint.
8740 (call_value_split): Likewise.
8741 (call_value_multiple_split): Likewise.
8742 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8743 (-mshared): New option.
8744 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8745 (mips_current_loadgp_style): Declare.
8746 * config/mips/mips.c (mips_classify_symbol): Avoid using
8747 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8748 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8749 TARGET_ABSOLUTE_ABICALLS.
8750 (override_options): Adjust comments. Improve the warning that is
8751 issued when -mabicalls and -G are used together.
8752 (mips_file_start): Remove comment.
8753 (mips_current_loadgp_style): New function.
8754 (mips_gnu_local_gp): New variable.
8755 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8757 (mips_output_function_prologue): Use mips_current_laodgp_style.
8758 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8759 the cprestore instruction.
8760 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8761 live for TARGET_ABSOLUTE_ABICALLS.
8762 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8763 (ASM_SPEC): Pass down -mshared and -mno-shared.
8764 (MIPS_CALL): New macro.
8765 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8767 * doc/invoke.texi (-mabicalls): Update documentation.
8768 (-mshared): Document.
8770 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8772 * config/ia64/unwind-hpux.c: New file.
8773 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8775 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8778 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8780 2006-03-21 Jeff Law <law@redhat.com>
8782 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8783 type conversions of a VR_VARYING source to a wider type.
8785 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8787 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8788 tm_file on Solaris 10 and later.
8789 (sparc64-*-solaris2*): Likewise.
8790 (sparc-*-solaris2*): Likewise.
8791 * config/sol26.h: Rename to config/sol2-6.h.
8792 * config/sol2-10.h: New file.
8794 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8797 * tree-ssa-pre.c (create_component_ref_by_pieces):
8800 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8803 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8804 return it immediately.
8806 2006-03-21 Michael Matz <matz@suse.de>
8808 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8810 (remove_arc, add_arc): Update num_out_arcs member.
8811 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8813 (cache_presence): New function.
8814 (compare_states_for_equiv): New function.
8815 (state_is_differed): Don't take number of outargs, adjust callers.
8816 Use new invariant for speeding up.
8817 (init_equiv_class): Create initial classes based on sorted
8819 (partition_equiv_class): Don't track out_arcs_num.
8820 (evaluate_equiv_classes): Call cache_presence on all states and
8823 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8825 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8826 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8827 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8828 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8830 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8831 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8832 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8833 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8834 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8836 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8837 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8838 (REGNO_REG_CLASS): ARGP is in PREGS.
8839 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8841 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8842 to deal with those addresses.
8843 * addresses.h: New file.
8844 * caller-save.c: Include "addresses.h".
8845 (init_caller_save): Use new base_reg_class function.
8846 * rtl-factoring.c: Include "addresses.h".
8847 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8848 * recog.c: Include "addresses.h".
8849 (preprocess_constraints): Use new base_reg_class function.
8850 * regrename.c: Include "addresses.h".
8851 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8852 functions. Keep track of a new var INDEX_CODE to compute valid
8854 (replace_oldest_value_addr): Likewise.
8855 (replace_oldest_value_mem): Use base_reg_class.
8856 * reload.c: Include "addresses.h".
8857 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8858 (find_reloads): Use new base_reg_class function.
8859 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8860 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8861 all callers and prototype changed.
8862 * reload1.c: Include "addresses.h".
8863 (maybe_fix_stack_asms): Use base_reg_class.
8864 * regclass.c: Include "addresses.h".
8865 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8866 (init_reg_autoinc): Use new base_reg_class function.
8867 (record_reg_classes): Likewise.
8868 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8869 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8870 Use new args to compute necessary class.
8872 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8873 regrename.o, rtl-factoring.o): Update dependencies.
8874 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8875 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8876 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8877 REG_OK_FOR_INDEX_P): Delete documentation.
8879 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8881 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8882 from V7 to V9 for Solaris 7 and above.
8884 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8886 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8887 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8888 argument pointers may not alias any other storage.
8889 * common.opt: Define option -fargument-noalias-anything.
8890 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8891 alias semantics is specified by flag_argument_noalias > 2.
8893 2006-03-20 Jeff Law <law@redhat.com>
8895 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8896 (pass_phi_only_cprop): Declare.
8897 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8899 * tree-ssa-dom.c (degenerate_phi_result): New function.
8900 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8901 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8902 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8903 (eliminate_degenerate_phis): Likewise.
8904 (pass_phi_only_cprop): New pass descriptor.
8905 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8906 support code. Callers updated.
8907 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8908 (store_copy_prop): Likewise.
8909 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8911 2006-03-20 Jason Merrill <jason@redhat.com>
8914 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8915 (push_visibility, pop_visibility): Likewise.
8916 * c-pragma.h: Declare them.
8918 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8920 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8922 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8923 parameter and use get_ebb_head_tail.
8924 (sh_md_init_global): Adjust uses of find_regmode_weight.
8926 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8928 * function.h (struct function) <x_tail_recursion_reentry>:
8929 Rename to x_stack_check_probe_note.
8930 (tail_recursion_reentry): Rename to stack_check_probe_note.
8931 * function.c: Replace tail_recursion_reentry with
8932 stack_check_probe_note everywhere.
8933 (expand_function_start): Only emit a note for
8934 stack_check_probe_note with -fstack-protect.
8935 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8937 * emit-rtl.c (remove_unnecessary_notes): Remove.
8938 (pass_remove_unnecessary_notes): Remove.
8939 * rtl.h (remove_unnecessary_notes): Remove prototype.
8940 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8941 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8942 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8944 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8947 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8948 (valid_in_set): Handle ARRAY_REF.
8949 Change "if min_variant or VH" to asserts.
8950 (create_component_ref_by_pieces): Handle ARRAY_REF.
8951 (create_expression_by_pieces): Likewise.
8952 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8954 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8956 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8957 is operand of switch, not str[0].
8959 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8961 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8962 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8964 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8966 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8967 end of insn_extra_address_constraint declaration.
8969 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8971 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8972 (no-sum-in-toc): Same.
8973 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8975 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8976 NO_FP_IN_TOC for -fPIC instead of mask.
8978 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8979 (BOOT_LDFLAGS): Delete.
8981 * config/rs6000/t-aix52: Same.
8983 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8984 (stmsi[345678]_power): New.
8986 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8988 * config/ia64/ia64.opt: Add empty line to end of file.
8990 2006-03-17 Richard Guenther <rguenther@suse.de>
8993 * builtins.c (get_pointer_alignment): For component style references
8994 adjust alignment to the component type alignment. Make sure
8995 to adjust alignment for component access of constants.
8997 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8999 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9002 2006-03-17 Paul Brook <paul@codesourcery.com>
9004 * doc/install.texi: Docuemnt --with-mode.
9005 * config.gcc: Add --with-mode for arm*-*-*.
9006 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9008 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9010 * sh.c (max_labelno_before_reorg): New variable.
9011 (sh_reorg): Initialize it.
9012 (find_barrier): Check max_labelno_before_reorg before using
9013 label_to_alignment. Take length of explicit alignment insns
9014 into account. When seeing a UNSPECV_CONST_END, return it.
9016 * sh.c (fixup_mova): Set mode of affected label to QImode.
9017 (untangle_mova): New function.
9018 (find_barrier): Use it. Check mode of label before decrementing
9020 (sh_reorg): Likewise.
9021 Set mode of all insns back to VOIDmode.
9023 * sh.c (MOVA_LABELREF): New macro.
9024 (mova_p, fixup_mova, sh_reorg): Use it.
9025 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9026 ADDR_DIFF_VEC matches mova.
9028 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9030 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9031 with ATTRIBUTE_UNUSED.
9033 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9035 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9036 pointer, instead of assuming it is possible to derive the
9037 correct args size from a call insn.
9039 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9041 * rtl.h (CONST_INT_P): Define.
9042 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9043 instead of GET_CODE(x) == CONST_INT.
9044 (vax_rtx_costs): Likewise.
9045 (vax_output_int_move): Likewise.
9046 (vax_output_int_add): Likewise.
9047 (legitimate_constant_address_p): Likewise.
9048 (index_term_p): Likewise.
9049 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9050 * config/vax/vax.md (and<mode>3): Likewise.
9051 (ashrsi3): Likewise.
9053 (movstricthi): Likewise.
9054 (movstrictqi): Likewise.
9055 (rotrsi3): Likewise.
9056 (five unnamed insns): Likewise.
9058 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9060 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9061 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9062 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9063 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9064 Pass to ASM_OUTPUT_DWARF_OFFSET.
9065 * dwarf2out.c (debug_frame_section): New.
9066 (output_call_frame_info): Use debug_frame_section. Pass it to
9067 dw2_asm_output_offset.
9068 (output_die): Pass appropriate section to dw2_asm_output_offset.
9069 (output_compilation_unit_header): Likewise.
9070 (output_pubnames): Likewise.
9071 (output_aranges): Likewise.
9072 (enum dw_val_class): Break dw_val_class_lbl_offset into
9073 dw_val_class_lineptr and dw_val_class_macptr.
9074 (add_AT_lbl_offset): Delete.
9075 (add_AT_lineptr): New.
9076 (add_AT_macptr): New.
9077 (AT_lbl): Expect a lineptr or macptr.
9078 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9079 (attr_checksum): Likewise.
9080 (same_dw_val_p): Likewise.
9081 (size_of_die): Likewise.
9082 (value_format): Likewise.
9083 (output_die): Likewise.
9084 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9086 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9087 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9088 * config/darwin-protos.h (darwin_file_start): New.
9089 (darwin_asm_output_dwarf_offset): New.
9090 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9091 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9093 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9094 if not EH section; simplify.
9095 (darwin_file_start): New.
9096 (darwin_asm_output_dwarf_offset): New.
9097 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9099 (DEBUG_INFO_SECTION): Likewise.
9100 (DEBUG_ABBREV_SECTION): Likewise.
9101 (DEBUG_ARANGES_SECTION): Likewise.
9102 (DEBUG_MACINFO_SECTION): Likewise.
9103 (DEBUG_LINE_SECTION): Likewise.
9104 (DEBUG_LOC_SECTION): Likewise.
9105 (DEBUG_PUBNAMES_SECTION): Likewise.
9106 (DEBUG_STR_SECTION): Likewise.
9107 (DEBUG_RANGES_SECTION): Likewise.
9108 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9109 (ASM_OUTPUT_DWARF_OFFSET): New.
9111 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9113 * config.gcc (tm_defines): Always add to previous value rather
9116 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9118 * config/mips/predicates.md (splittable_const_int_operand): New,
9119 split from move_operand.
9120 (splittable_symbolic_operand): New.
9121 (move_operand): Add commentary. Use splittable_const_int_operand.
9122 Inline mips_atomic_symbolic_constant_p.
9123 * config/mips/mips.md: Add combine splitters for handling moves
9124 of splittable_const_int_operands and splittable_symbolic_operands.
9125 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9126 (mips_split_symbol): Declare.
9127 (mips_move_integer): Declare.
9128 * config/mips/mips.c (mips_split_p): Make global.
9129 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9130 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9131 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9132 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9133 (mips_offset_within_object_p): Handle block symbols.
9134 (mips_atomic_symbolic_constant_p): Delete.
9135 (mips_cannot_force_const_mem): Return false for constants that
9136 mips_legitimize_move can handle.
9137 (mips_use_blocks_for_constant_p): New function.
9138 (mips_split_symbol): Make global.
9139 (mips_move_integer): Likewise. Add a temporary register argument.
9140 (mips_legitimize_const_move): Use splittable_const_int_operand and
9141 splittable_symbolic_operand.
9142 (mips_use_anchors_for_symbol_p): New function.
9143 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9144 (mips_split_p): Declare.
9146 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9148 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9149 (mips*-*-linux*): Likewise.
9151 2006-03-16 Roger Sayle <roger@eyesopen.com>
9152 Daniel Speyer <dspeyer@wam.umd.edu>
9155 * tree-dump.c (dump_real): New function.
9156 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9157 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9158 (tree-dump.o): Add $(REAL_H) to the dependencies.
9160 2006-03-16 Roger Sayle <roger@eyesopen.com>
9163 * real.c (real_from_string): If the mantissa is zero, don't bother
9164 parsing the exponent as the result should always be zero.
9166 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9168 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9170 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9172 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9173 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9174 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9175 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9176 ia64_sched_finish_global): New static functions to implement
9177 hooks from gcc_target.sched.
9178 (spec_check_no, max_uid, pending_data_specs): New static variables.
9179 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9180 ia64_spec_check_src_p): New static functions.
9181 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9182 (TARGET_SCHED_ADJUST_COST): Removed.
9183 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9184 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9185 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9186 TARGET_SCHED_GEN_CHECK,
9187 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9188 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9189 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9190 Fixed to handle speculation checks.
9191 (rtx_needs_barrier): Fixed to handle speculative loads and
9193 (ia64_variable_issue): Added code to count speculative loads and their
9195 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9197 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9199 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9201 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9202 (ia64_reorg): Reset stops_p to NULL after it is freed.
9203 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9204 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9205 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9207 (data_speculative, control_speculative, check_load): New attributes.
9208 (mov<mode>_advanced, mov<mode>_speculative,
9209 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9210 zero_extend<mode>di2_speculative,
9211 zero_extend<mode>di2_speculative_advanced): New patterns for
9212 data and control speculative loads.
9213 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9215 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9216 New pattern for data and control speculation checks.
9217 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9218 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9219 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9220 Auxiliary definitions for the patterns.
9221 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9222 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9224 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9226 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9227 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9228 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9229 New resource constraints.
9230 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9232 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9233 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9234 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9235 msched-in-control-spec, msched-ldc, msched-control-ldc,
9236 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9237 msched-prefer-non-control-spec-insns,
9238 msched-count-spec-in-critical-path): New flags to tune speculative
9240 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9241 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9242 msched-in-control-spec, msched-ldc, msched-control-ldc,
9243 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9244 msched-prefer-non-control-spec-insns,
9245 msched-count-spec-in-critical-path): Document new flags.
9247 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9249 * target.h (struct spec_info_def): New opaque declaration.
9250 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9251 speculate_insn, needs_block_p, gen_check,
9252 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9253 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9254 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9255 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9256 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9257 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9259 (TARGET_SCHED): Use new macros.
9260 * rtl.h (copy_DEPS_LIST_list): New prototype.
9261 * sched-int.h (struct sched_info): Change signature of new_ready field,
9262 adjust all initializations. New fields: add_remove_insn,
9263 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9264 region_head_or_leaf_p.
9265 (struct spec_info_def): New structure declaration.
9266 (spec_info_t): New typedef.
9267 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9268 recovery_block, orig_pat.
9269 (glat_start, glat_end): New variables declaraions.
9270 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9272 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9273 DETACH_LIFE_INFO, USE_GLAT.
9274 (enum SPEC_SCHED_FLAGS): New enumeration.
9275 (NOTE_NOTE_BB_P): New macro.
9276 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9277 attach_life_info, debug_spec_status, check_reg_live): New functions.
9278 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9279 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9281 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9282 * ddg.c (get_block_head_tail): Adjust all uses.
9283 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9284 (sms_sched_info): Initialize new fields.
9285 (contributes_to_priority): Removed.
9286 * haifa-sched.c (params.h): New include.
9287 (get_block_head_tail): Adjust all uses.
9288 (ISSUE_POINTS): New macro.
9289 (glat_start, glat_end): New global variables.
9290 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9291 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9292 old_last_basic_block, before_recovery, current_sched_info_var,
9293 rgn_n_insns, luid): New static variables.
9294 (insn_cost1): New function. Move logic from insn_cost to here.
9295 (find_insn_reg_weight1): New function. Move logic from
9296 find_insn_reg_weight to here.
9297 (reemit_notes, move_insn, max_issue): Change signature.
9298 (move_insn1): Removed.
9299 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9300 extend_bb): New static functions to support extension of scheduler's
9302 (generate_recovery_code, process_insn_depend_be_in_spec,
9303 begin_speculative_block, add_to_speculative_block,
9304 init_before_recovery, create_recovery_block, create_check_block_twin,
9305 fix_recovery_deps): New static functions to support
9306 generation of recovery code.
9307 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9308 restore_bb_notes, move_block_after_check, move_succs): New static
9309 functions to support ebb scheduling.
9310 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9311 functions to support handling of register live information.
9312 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9313 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9314 add_jump_dependencies): New static functions.
9315 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9316 consistancy checking.
9317 (debug_spec_status): New function to call from debugger.
9318 (priority): Added code to handle speculation checks.
9319 (rank_for_schedule): Added code to distinguish speculative instructions.
9320 (schedule_insn): Added code to handle speculation checks.
9321 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9322 Fixed to handle ebbs.
9323 (move_insn): Added code to handle ebb scheduling.
9324 (max_issue): Added code to use ISSUE_POINTS of instructions.
9325 (choose_ready): Added code to choose between speculative and
9326 non-speculative instructions.
9327 (schedule_block): Added code to handle ebb scheduling and scheduling of
9328 speculative instructions.
9329 (sched_init): Initialize new variables.
9330 (sched_finish): Free new variables. Print statistics.
9331 (try_ready): Added code to handle speculative instructions.
9332 * lists.c (copy_DEPS_LIST_list): New function.
9333 * sched-deps.c (extend_dependency_caches): New function. Move logic
9334 from create_dependency_caches to here.
9335 (get_dep_weak, ds_merge): Make global.
9336 * genattr.c (main): Code to output prototype for
9337 dfa_clear_single_insn_cache.
9338 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9339 (output_dfa_clean_insn_cache_func): Code to output
9340 dfa_clear_single_insn_cache function.
9341 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9343 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9345 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9346 New static variables.
9347 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9348 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9350 (ebb_sched_info): Initialize new fields.
9351 (get_block_head_tail): Adjust all uses.
9352 (compute_jump_reg_dependencies): Fixed to use glat_start.
9353 (schedule_ebb): Code to remove unreachable last block.
9354 (schedule_ebbs): Added code to update register live information.
9355 * sched-rgn.c (region_sched_info): Initialize new fields.
9356 (get_block_head_tail): Adjust all uses.
9357 (last_was_jump): Removed. Adjust users.
9358 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9359 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9360 Implement new hooks.
9361 (check_dead_notes1): New static function.
9362 (struct region): New fields: dont_calc_deps, has_real_ebb.
9363 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9364 (BB_TO_BLOCK): Fixed to handle EBBs.
9365 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9366 (ebb_head): New static variable.
9367 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9368 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9370 (compute_dom_prob_ps): New assertion.
9371 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9372 global_live_at_start.
9373 (init_ready_list): New assertions.
9374 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9375 (new_ready): Add support for BEGIN_CONTROL speculation.
9376 (schedule_insns): Fixed code that updates register live information
9378 (schedule_region): Fixed to handle EBBs.
9379 (init_regions): Use extend_regions and check_dead_notes1.
9380 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9381 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9382 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9383 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9384 TARGET_SCHED_GEN_CHECK,
9385 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9386 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9387 * doc/invoke.texi (max-sched-insn-conflict-delay,
9388 sched-spec-prob-cutoff): Document.
9390 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9392 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9393 inter_tick, queue_index.
9394 (struct sched_info): Change signature of init_ready_list field.
9395 Adjust all initializations.
9396 (RESOLVED_DEPS): New access macro.
9397 (ready_add): Remove prototype.
9398 (try_ready): Add prototype.
9399 * sched-rgn.c (init_ready_list): Use try_ready.
9400 (schedule_region): Initialize
9401 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9402 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9403 (init_ready_list): Use try_ready.
9404 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9405 * lists.c (remove_list_elem): Remove `static'.
9406 (remove_free_INSN_LIST_elem): New function.
9407 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9408 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9409 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9411 (readyp): New variable.
9412 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9413 change_queue_index, resolve_dep): New static functions.
9414 (try_ready): New function. Adjust callers in sched-rgn.c and
9415 sched-ebb.c to use it instead of ready_add.
9416 (clock_var): Move at the begining of file.
9417 (rank_for_schedule): Fix typo.
9418 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9419 (ready_lastpos): Enforce assertion.
9420 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9422 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9423 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9424 (queue_to_ready): Use free_INSN_LIST_list.
9425 (early_queue_to_ready): Fix typo.
9426 (schedule_block): Init readyp. Move init_ready_list call after the
9427 initialization of clock_var. Fix error in rejecting insn by
9428 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9429 that previously corrected INSN_TICKs. Add code for handling
9431 (set_priorities): Fix typo.
9432 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9433 Clarify comment and code that keeps current_sched_info->next_tail
9436 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9438 * sched-rgn.c (extend_rgns): New static function.
9439 (find_rgns): Use it.
9440 (gather_region_statistics, print_region_statistics): New static
9442 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9443 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9445 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9446 Andrey Belevantsev <abel@ispras.ru>
9448 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9449 * lists.c (unused_deps_list): New variable.
9450 (free_list): Add assertions to verify the proper distinguishing
9451 between INSN_LISTs and DEPS_LISTs.
9452 (find_list_elem, remove_list_elem, remove_list_node): New static
9454 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9455 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9456 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9457 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9459 (free_INSN_LIST_node): Likewise.
9460 * modulo-sched.c (current_sched_info): Initialize flags field.
9461 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9462 * rtl.def (DEPS_LIST): Define.
9463 * rtl.h: Declare new functions from lists.c.
9464 * sched-deps.c (spec_dependency_cache): New static variable.
9465 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9466 (add_dependence): Change return type to void. Move the logic to ...
9467 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9468 (delete_all_dependences): Add comment about forward_dependency_cache.
9469 Handle spec_dependency_cache. Handle DEPS_LISTs.
9470 (fixup_sched_groups): Clarify the change of priority of output
9471 and anti dependencies.
9472 (sched_analyze_2): Adjust add_dependence calls to create data
9473 speculative dependence.
9474 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9475 Adjust all callers. Handle DEPS_LISTS.
9476 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9477 presence of speculation.
9478 (init_dependency_caches, free_dependency_caches):
9479 Handle spec_dependency_cache.
9480 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9481 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9482 New static functions.
9483 (add_or_update_back_dep, add_or_update_back_forw_dep,
9484 add_back_forw_dep, delete_back_forw_dep): New functions.
9485 * sched-int.h (ds_t, dw_t): New typedefs.
9486 (struct sched_info): Add new field flags.
9487 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9488 Prototype new sched-deps.c functions.
9489 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9490 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9491 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9492 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9493 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9494 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9496 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9498 * sched-rgn.c (current_sched_info): Initialize flags field.
9499 (schedule_insns): Initialize current_sched_info before the sched_init
9501 * sched-ebb.c (current_sched_info): Initialize flags field.
9502 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9503 Call add_or_update_back_dep instead of add_dependence.
9504 Create control speculative dependencies.
9505 (schedule_insns): Initialize current_sched_info before the sched_init
9508 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9510 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9512 (sh_fallback_frame_state): Likewise.
9514 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9516 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9517 Do switch on default_use_cxa_atexit.
9518 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9519 * config/darwin-crt3.o: New.
9520 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9521 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9522 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9524 * config/rs6000/t-darwin: Move crt2.o building to here.
9525 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9526 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9529 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9531 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9532 from '! xxx' to '!xxx' for coding-style conformance.
9533 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9534 (EXTRA_CONSTRAINT): Likewise.
9535 * config/vax/vax.md (four unnamed insns): Likewise.
9537 2006-03-15 Paul Brook <paul@codesourcery.com>
9539 * config/arm/arm.c (minipool_pad): New.
9540 (add_minipool_forward_ref): Include pool alignment padding in address
9542 (push_minipool_fix): Set minipool_pad.
9543 (minipool_pad): Ditto.
9545 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9547 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9548 instead of GET_CODE() == MEM and REG_P() instead of
9550 (print_operand_address): Likewise.
9551 (vax_address_cost): Likewise.
9552 (vax_rtx_costs): Likewise.
9553 (vax_notice_update_cc): Likewise.
9554 (vax_output_int_add): Likewise.
9555 (INDEX_REGISTER_P): Likewise.
9556 (BASE_REGISTER_P): Likewise.
9557 (nonindexed_address_p): Likewise.
9558 (vax_mode_dependent_address_p): Likewise.
9559 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9560 (PRINT_OPERAND): Likewise.
9561 * config/vax/vax.md (ashlsi3): Likewise.
9562 (ashlsi3): Likewise.
9563 (some more unnamed insns): Likewise.
9565 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9567 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9568 iterator-style macro.
9569 (mark_control_dependent_edges_necessary): Update the use of
9570 EXECUTE_IF_CONTROL_DEPENDENT.
9572 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9574 * config/sh/predicates.md (cache_address_operand): Special.
9575 (ua_address_operand): Likewise.
9577 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9579 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9581 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9583 2006-03-15 Andreas Schwab <schwab@suse.de>
9585 * gensupport.c (identify_predicable_attribute): Don't free p_false
9586 when it is still in use.
9588 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9590 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9591 the default setting here.
9593 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9595 * tree-pass.h (pass_cfg): Remove.
9596 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9597 * passes.c (pass_cfg): Don't run it.
9599 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9601 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9602 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9604 (stack_regs_mentioned): Update the uses of
9605 stack_regs_mentioned_data. Don't access the array beyond its
9607 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9608 Don't include gt-reg-stack.h.
9610 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9611 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9613 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9616 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9619 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9621 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9623 2006-03-14 Richard Guenther <rguenther@suse.de>
9625 PR tree-optimization/26672
9626 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9629 2006-03-14 Richard Guenther <rguenther@suse.de>
9631 PR tree-optimization/26667
9632 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9633 node for the callees. Always allow inlining if it will shrink
9636 2006-03-14 Richard Guenther <rguenther@suse.de>
9639 * builtins.c (get_pointer_alignment): Prefer alignment
9640 information from decls over that from types.
9642 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9645 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9647 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9649 * config/rs6000/rs6000.opt (mdlmzb): New option.
9650 (msched-prolog, msched-epilog): Use Var not Mask.
9651 * doc/invoke.texi (-mdlmzb): Document.
9652 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9654 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9655 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9657 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9659 PR rtl-optimization/25739
9660 * bt-load.c (augment_live_range): Free tos pointer.
9662 * gensupport.c (identify_predicable_attribute): Free
9664 * gcov.c (create_file_names): Free name pointer.
9666 2006-03-13 Roger Sayle <roger@eyesopen.com>
9669 * stmt.c (emit_case_nodes): Handle the case where the index is a
9670 CONST_INT, where the comparison mode is specified by the index type.
9672 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9674 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9677 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9679 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9680 (*branch_fp_inverted): Likewise.
9682 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9685 * omp-low.c (expand_omp_for_generic): Mark istart0
9686 and iend0 as addressable.
9688 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9690 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9692 2006-03-13 Jeff Law <law@redhat.com>
9694 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9695 virtual operands are interesting.
9696 (vrp_visit_stmt): Corresponding changes.
9698 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9700 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9702 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9703 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9704 * config/bfin/crti.S: Use it instead of __PIC__.
9705 * config/bfin/crtn.S: Likewise.
9707 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9708 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9710 Lose 'G' modifier for call operand.
9711 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9712 recognize 'G' modifier.
9714 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9717 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9718 * stmt.c (expand_case): Likewise.
9720 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9722 PR rtl-optimization/26254
9723 * loop-invariant.c (seq_insns_valid_p): New function.
9724 (move_invariant_reg): Only emit new code if it is valid.
9726 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9728 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9730 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9731 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9732 (commit_one_edge_insertion): Do not look for loop notes.
9734 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9736 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9737 flag_test_coverage out of loop.
9739 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9741 * final.c (shorten_branches): Remove outdated comment, and turn
9742 the if branch that guards it to continue.
9744 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9746 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9747 * cfgloop.h (struct loop): Remove unused fields.
9749 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9751 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9752 (-dL, -fdump-rtl-loop2): Update the dump file names
9754 * doc/invoke.texi: Update dump file names.
9756 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9758 * predict.c (estimate_probability): Remove.
9759 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9760 * basic-block.h (estimate_probability): Remove prototype.
9761 * passes.c (finish_optimization_passes): Dump branch prediction or
9762 profiling heuristics to the .profile tree dump.
9763 (init_optimization_passes): Unqueue pass_branch_prob.
9765 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9767 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9769 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9770 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9772 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9774 * function.h (frame_offset_overflow): Declare.
9775 * function.c (frame_offset_overflow): New function.
9776 (assign_stack_local_1): Call it to detect that the offset overflows.
9777 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9779 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9781 * config/sh/sh.c: Include alloc-pool.h.
9782 (label_ref_list_pool): New alloc pool.
9783 (label_ref_list_t): New type for lists of labels.
9784 (struct pool_node): Make wend a label_ref_list_t.
9785 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9787 (dump_table): Likewise.
9788 (sh_reorg): Set up the alloc pool before using add_constant and
9789 dump_table, and destroy it when finishing.
9791 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9793 * config/mips/mips.c: Remove redundant comment.
9795 2006-03-10 Jason Merrill <jason@redhat.com>
9798 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9799 the target was declared 'register'.
9801 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9803 * genpreds.c (write_insn_constraint_len): Change definition of
9804 insn_constraint_len to return size_t to match the declaration.
9806 2006-03-10 DJ Delorie <dj@redhat.com>
9808 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9810 (m32c_expand_insv): Fix test for an AND mask.
9812 2006-03-10 Richard Guenther <rguenther@suse.de>
9815 * builtins.c (get_pointer_alignment): Handle component
9816 references for field alignment.
9818 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9820 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9821 when building with libgloss.
9822 (sh*elf): Implement --without-fp option.
9823 (sh64-superh-linux*): Don't multilib.
9825 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9827 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9829 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9831 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9832 Set it when one of the replacement functions returned true.
9833 Return TODO_cleanup_cfg if cfgchanged is true.
9834 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9836 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9838 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9839 instead of gen_lowpart.
9841 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9843 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9845 (mips_output_order_conditional_branch): Declare.
9846 * config/mips/mips.h (MIPS_BRANCH): New macro.
9847 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9848 for the comparison. Use gen_condjump.
9849 (mips_output_conditional_branch): Rework interface to take the
9850 asm templates for a direct branch and the inverse of a direct branch.
9851 (mips_output_order_conditional_branch): New function.
9852 (mips_builtin_branch_and_move): New function.
9853 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9854 branch condition. Use gen_single_cc as the condition for
9855 __builtin_mips_upper_* or __builtin_mips_lower_*.
9856 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9857 Use VOIDmode for the branch condition.
9858 * config/mips/predicates.md (order_operator): New predicate.
9859 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9860 (branch_fp): Rename to...
9861 (*branch_fp): ...this. Remove mode from comparison operator.
9862 Use new mips_output_conditional_branch interface.
9863 (branch_fp_inverted): Rename to...
9864 (*branch_fp_inverted): ...this and update as for *branch_fp.
9865 (*branch_zero<mode>): Rename to...
9866 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9867 Use mips_output_order_conditional_branch. Only accept ordered
9869 (*branch_zero<mode>_inverted): Rename to...
9870 (*branch_order<mode>_inverted): ...this and update as for
9871 *branch_order<mode>.
9872 (*branch_equality<mode>): Accept zero as the second operand to
9873 the equality operator. Use the new mips_output_conditional_branch
9875 (*branch_equality<mode>_inverted): Likewise.
9876 (condjump): New expander.
9877 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9879 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9880 (bc1any2t, bc1any2f): Likewise.
9881 (single_cc): New expander.
9882 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9884 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9886 * doc/md.texi: Update documentation of MIPS constraints.
9887 * config/mips/constraints.md: New file.
9888 * config/mips/mips.md: Include it.
9889 * config/mips/mips.c (mips_char_to_class): Delete.
9890 (override_options): Don't initialize mips_char_to_class.
9891 * config/mips/mips.h (mips_char_to_class): Delete.
9892 (REG_CLASS_FROM_LETTER): Delete.
9893 (CONST_OK_FOR_LETTER_P): Delete.
9894 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9895 (EXTRA_CONSTRAINT_Y): Delete.
9896 (EXTRA_CONSTRAINT_STR): Delete.
9897 (CONSTRAINT_LEN): Delete.
9898 (EXTRA_MEMORY_CONSTRAINT): Delete.
9900 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9902 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9903 original fn's eh regions.
9905 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9907 * fold-const.c (build_range_check): Make sure to use a valid type to
9908 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9911 (range_predecessor): New static function.
9912 (range_successor): Likewise.
9913 (merge_ranges): Use them to compute predecessors and successors of
9916 2006-03-09 Roger Sayle <roger@eyesopen.com>
9919 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9920 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9922 2006-03-08 DJ Delorie <dj@redhat.com>
9924 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9925 (addpsi3): Expand to include memory operands. Remove
9926 reload-specific splits.
9927 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9928 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9929 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9930 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9931 (shift1_qi, shift1_hi, insv): New.
9932 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9933 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9934 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9936 * config/m32c/m32c-protos.h: Update as needed.
9937 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9938 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9939 Fail for unrecognized R* constraints.
9940 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9941 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9942 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9944 (m32c_init_libfuncs): New.
9945 (m32c_legitimate_address_p): Add debug wrapper.
9946 (m32c_rtx_costs): New.
9947 (m32c_address_cost): New.
9948 (conversions): Add 'B' prefix.
9949 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9950 operands, or word regnames for QI operands. 'B' prints bit
9952 (m32c_expand_setmemhi): New.
9953 (m32c_expand_movmemhi): New.
9954 (m32c_expand_movstr): New.
9955 (m32c_expand_cmpstr): New.
9956 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9957 (m32c_expand_neg_mulpsi3): Handle non-ints.
9958 (m32c_cmp_flg_0): New.
9959 (m32c_expand_movcc): New.
9960 (m32c_expand_insv): New.
9961 (m32c_scc_pattern): New.
9962 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9963 a0/a1 out of SIregs.
9964 (STORE_FLAG_VALUE): New.
9965 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9968 * config/m32c/mov.md: Make constraints more liberal.
9969 (zero_extendqihi2): Optimize r0/r1 case.
9970 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9971 * config/m32c/predicates.md (m32c_any_operand): New.
9972 (m32c_nonimmediate_operand): New.
9973 (m32c_hl_operand): New.
9974 (m32c_r3_operand): New.
9977 (memsym_operand): New.
9978 (memimmed_operand): New.
9979 (a_qi_operand): New.
9980 (m32c_eqne_operator): New.
9981 (m32c_1bit8_operand): New.
9982 (m32c_1bit16_operand): New.
9983 (m32c_1mask8_operand): New.
9984 (m32c_1mask16_operand): New.
9985 * config/m32c/blkmov.md: New file.
9986 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9988 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9990 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9991 unsigned to fix signed/unsigned comparison issue in
9992 DWARF2_FRAME_REG_OUT.
9993 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9994 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9996 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9997 of ptr into the ENABLE_CHECKING section.
9999 2006-03-08 Jeff Law <law@redhat.com>
10001 * tree-vrp.c (infer_value_range): Only count pointer uses
10002 and dereferences if -fdelete-null-pointer-checks is enabled.
10004 * tree-vrp.c (find_assert_locations): Infer value ranges for
10005 single use pointers, but do not create ASSERT_EXPRs for them.
10006 When a non-null range is inferred for a pointer, backwards
10007 propagate that range to other equivalent pointers through the
10010 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10013 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10014 language hook targets.
10015 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10016 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10017 if language hook targets were missing.
10019 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10021 * tree-ssa-opfinalize.h: Removed.
10022 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10024 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10025 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10026 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10027 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10028 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10029 finalize_ssa_v_must_def_ops): New.
10031 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10033 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10034 block as parameter.
10036 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10038 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10040 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10041 addresses with offsets; reorganize.
10043 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10044 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10045 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10047 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10050 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10052 2006-03-08 Ben Elliston <bje@au.ibm.com>
10054 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10056 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10059 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10062 2006-03-07 Richard Guenther <rguenther@suse.de>
10064 PR tree-optimization/26587
10065 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10067 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10069 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10071 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10073 * hooks.c (hook_bool_mode_rtx_true): New function.
10074 * hooks.h (hook_bool_mode_rtx_true): Declare.
10075 * toplev.c (compile_file): Call output_shared_constant_pool.
10076 * varasm.c (shared_constant_pool): New variable.
10077 (assemble_start_function, assemble_end_function): Remove arguments
10078 from call to output_constant_pool.
10079 (create_constant_pool): New function, split out from...
10080 (init_varasm_status): ...here.
10081 (force_const_mem): Choose between the shared and per-function constant
10082 pools. Set current_function_uses_const_pool when reusing old entries
10083 as well as when creating new ones.
10084 (mark_constant): Ignore data argument.
10085 (mark_constants): Remove pool argument.
10086 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10087 to decide whether the function uses a constant pool.
10088 (output_constant_pool_contents): New function, split out from...
10089 (output_constant_pool): ...here.
10090 (output_shared_constant_pool): New function.
10091 (init_varasm_once): Initialize shared_constant_pool.
10092 * output.h (output_constant_pool): Delete.
10093 (output_shared_constant_pool): Declare.
10094 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10095 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10097 2006-03-06 Nick Clifton <nickc@redhat.com>
10099 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10100 flag_strength_reduce.
10102 2006-03-06 Ben Elliston <bje@au.ibm.com>
10104 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10105 x86_64-*-linux* configurations.
10107 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10108 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10110 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10112 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10114 * basic-block.h: Remove the extern for
10115 rediscover_loops_after_threading.
10117 * cfgloop.c (cancel_loop): Make it static.
10118 * cfgloop.h: Remove the prototype for cancel_loop.
10120 * flow.c (recompute_reg_usage): Make it static.
10121 * rtl.h: Remove the prototype for recompute_reg_usage.
10123 * function.c (use_return_register): Make it static.
10124 * function.h: Remove the prototype.
10126 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10128 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10130 * recog.h: Remove the prototype for
10131 validate_change_maybe_volatile.
10133 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10135 * rtlanal.c (replace_reg): Remove.
10136 * rtl.h: Remove the prototype for replace_reg.
10138 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10140 * regclass.c (reg_scan_update): Remove.
10141 (reg_scan_mark_refs): Remove the last argument.
10142 * rtl.h: Remove the prototype for reg_scan_update.
10144 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10146 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10147 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10148 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10149 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10150 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10151 loop-invariant.c, omp-low.c, opts.c, passes.c,
10152 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10153 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10154 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10155 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10156 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10157 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10159 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10161 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10162 * dwarf2out.h: Remove the prototype for
10163 dwarf2out_add_library_unit_info.
10165 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10167 * tree.c (add_var_to_bind_expr): Remove.
10168 * tree.h: Remove the prototype for add_var_to_bind_expr.
10170 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10172 * regclass.c (n_non_fixed_regs): Remove.
10173 (init_reg_sets_1, globalize_reg): Remove all uses of
10175 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10177 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10179 * rtlanal.c (insns_safe_to_move_p): Remove.
10180 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10182 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10184 * expmed.c (expand_mult_add): Remove.
10185 * expr.h: Remove the prototype for expand_mult_add.
10187 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10189 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10190 and REG_SAVED_VAL_EXP constants.
10191 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10192 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10193 Handle regs stored by value.
10194 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10195 (execute_cfa_program): Handle DW_CFA_val_offset,
10196 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10197 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10198 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10199 (uw_install_context_1): Handle target regs stored by value.
10201 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10203 * tree-sra.c (tree_sra): Return todoflags;
10204 (generate_one_element): Set TODO_update_smt_usage if needed.
10205 (pass_sra): Remove TODO_update_smt_usage.
10206 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10208 (tree_ssa_forward_propagate_single_use_vars): Return
10209 TODO_update_smt_usage if we need to update SMT usage.
10210 (pass_forwprop): Remove TODO_update_smt_usage.
10212 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10214 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10215 (correct_use_link): Remove reference to get_stmt_operands.
10216 (update_stmt_operands): Likewise.
10217 (get_modify_expr_operands): New function factored out of
10218 parse_ssa_operands and get_expr_operands.
10219 Try to create V_MUST_DEFs for LHS by default.
10220 (get_expr_operands) <case MODIFY_EXPR>: Call
10221 get_modify_expr_operands.
10222 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10223 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10224 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10225 get_modify_expr_operands.
10227 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10229 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10230 * tree-flow.h: Remove the prototype for
10231 referenced_var_lookup_if_exists.
10233 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10235 PR rtl-optimization/26345
10237 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10239 2006-03-03 Roger Sayle <roger@eyesopen.com>
10241 PR tree-optimization/26524
10242 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10243 fold_convert to create a constant of the appropriate type.
10245 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10247 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10248 SYMBOL_REF_IN_BLOCK_P.
10249 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10250 of SYMBOL_FLAG_IN_BLOCK.
10251 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10252 instead of SYMBOL_REF_IN_BLOCK_P.
10253 * explow.c (use_anchored_address): Likewise.
10254 * rtl.c (rtx_size): Likewise.
10255 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10256 instead of SYMBOL_FLAG_IN_BLOCK.
10257 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10258 SYMBOL_REF_IN_BLOCK_P.
10259 (assemble_variable): Likewise.
10260 (output_constant_def_contents): Likewise.
10261 (output_constant_pool): Likewise.
10262 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10263 instead of SYMBOL_FLAG_IN_BLOCK.
10264 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10265 SYMBOL_REF_IN_BLOCK_P.
10266 (SYMBOL_REF_BLOCK): Likewise.
10267 (SYMBOL_REF_OFFSET): Likewise.
10268 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10269 SYMBOL_REF_IN_BLOCK_P.
10270 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10271 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10272 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10273 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10275 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10277 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10279 2006-03-02 Roger Sayle <roger@eyesopen.com>
10281 * simplify-rtx.c (simplify_unary_operation): When simplifying
10282 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10283 that we perform the right shift in the appropriate mode, and
10284 then extend or truncate the result to requested mode.
10286 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10288 * gengtype.c (main): Handle double_int type.
10289 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10290 * double-int.c: New file.
10291 * double-int.h: New file.
10292 * system.h: Include doubleint.h.
10293 * Makefile.in (SYSTEM_H): Include double-int.h.
10294 (double-int.o): Add.
10296 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10299 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10302 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10304 * tree-vrp.c (remove_range_assertions): Do not update statements
10307 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10309 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10311 * gcse.c (rest_of_handle_gcse): Ditto.
10312 * except.c (gate_handle_eh): Ditto.
10313 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10314 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10316 2006-03-02 Eric Christopher <echristo@apple.com>
10318 * config/i386/i386.c (machopic_output_stub): Add indirection to
10321 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10325 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10327 Sun Niagara specific optimizations.
10328 * config.gcc: Recognize niagara as target.
10329 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10330 (TARGET_CPU_niagara): Define.
10331 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10332 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10333 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10334 (ASM_CPU_SPEC): Likewise.
10335 (PROCESSOR_NIAGARA): New enum entry.
10336 (REGISTER_MOVE_COST): Handle Niagara.
10337 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10338 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10339 (sparc_override_options): Recognize "niagara", set appropriate
10340 default MASK_* values for it, and align functions to 32-bytes
10341 by default just like ULTRASPARC/ULTRASPARC3.
10342 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10343 (sparc64_initialize_trampoline): Likewise.
10344 (sparc_use_sched_lookahead): Use zero for niagara.
10345 (sparc_issue_rate): Use one for niagara.
10346 * config/sparc/niagara.md: New file.
10347 * config/sparc/sparc.md: Include it.
10348 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10349 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10350 when default cpu is niagara.
10351 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10352 (ASM_CPU_SPEC): Likewise.
10353 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10354 when default cpu is niagara.
10355 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10356 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10357 just like v9/ultrasparc/ultrasparc3.
10358 * doc/invoke.texi: Add documentation for "niagara" and improve
10359 existing documentation for ultrasparc variants.
10361 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10363 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10365 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10367 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10368 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10369 and say that only one is needed.
10370 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10371 * target.h (have_switchable_bss_sections): New hook.
10372 * explow.c (use_anchored_address): Check that the symbol is in a block.
10373 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10374 (bss_noswitch_section): New variables.
10375 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10376 (get_noswitch_section): New function.
10377 (get_block_for_section): Allow SECT to be null.
10378 (unlikely_text_section_p): Use SECTION_STYLE.
10379 (bss_initializer_p): New function.
10380 (get_variable_section): Move earlier in file. Take a new argument,
10381 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10382 Return one of the new *_sections in such cases.
10383 (get_block_for_decl): New function, extracting some logic from
10384 use_blocks_for_decl_p.
10385 (change_symbol_section): Remove in favor of...
10386 (change_symbol_block): ...this new function.
10387 (use_blocks_for_decl_p): Remove checks now performed by
10388 get_block_for_decl.
10389 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10390 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10391 (emit_local, emit_bss, emit_common): ...these new functions.
10392 Return true if the alignment was honored.
10393 (emit_tls_common): New function.
10394 (asm_emit_uninitialised): Delete.
10395 (assemble_variable_noswitch): New function, split out from...
10396 (assemble_variable): ...here. Don't make decisions about common
10397 variables here. Globalize all public decls that go into non-common
10398 sections. Check whether SYMBOL_REF_BLOCK is null.
10399 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10400 (output_constant_pool): Likewise.
10401 (init_varasm_once): Initialize the new section variables.
10402 (have_global_bss_p): New function.
10403 (categorize_decl_for_section): Use bss_initializer_p.
10404 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10405 (place_block_symbol): Assert that the symbol must be in a block.
10406 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10407 (TARGET_INITIALIZER): Include it.
10408 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10409 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10410 (SECTION_MACH_DEP): Bump by two.
10411 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10412 (unnamed_section): Mention SECTION_UNNAMED in comment.
10413 (named_section): Likewise SECTION_NAMED.
10414 (noswitch_section_callback): New type.
10415 (noswitch_section): New structure.
10416 (section): Add a noswitch_section alternative.
10417 (SECTION_STYLE): New macro.
10418 (tls_comm_section, comm_section, lcomm_section): Declare.
10419 (bss_noswitch_section, have_global_bss_p): Declare.
10420 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10421 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10423 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10424 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10427 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10429 * tree-vrp.c (execute_vrp): Return value.
10430 * regrename.c (rest_of_handle_regrename): Ditto.
10431 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10432 * tree-complex.c (tree_lower_complex): Ditto.
10433 (tree_lower_complex_O0): Ditto.
10434 * tracer.c (rest_of_handle_tracer): Ditto.
10435 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10436 * postreload.c (rest_of_handle_postreload): Ditto.
10437 * tree-tailcall.c (execute_tail_recursion): Ditto.
10438 (execute_tail_calls): Ditto.
10439 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10440 * tree.h (init_function_for_compilation): Ditto.
10441 * ipa-cp.c (ipcp_driver): Ditto.
10442 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10443 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10444 * final.c (compute_alignments): Ditto.
10445 (rest_of_handle_final): Ditto.
10446 (rest_of_handle_shorten_branches): Ditto.
10447 (rest_of_clean_state): Ditto.
10448 * omp-low.c (execute_expand_omp): Ditto.
10449 (execute_lower_omp): Ditto.
10450 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10451 * ipa-reference.c (static_execute): Ditto.
10452 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10453 * reorg.c (rest_of_handle_delay_slots): Ditto.
10454 (rest_of_handle_machine_reorg): Ditto.
10455 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10456 * flow.c (recompute_reg_usage): Ditto.
10457 (rest_of_handle_remove_death_notes): Ditto.
10458 (rest_of_handle_life): Ditto.
10459 (rest_of_handle_flow2): Ditto.
10460 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10461 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10462 (do_ssa_store_ccp): Ditto.
10463 (execute_fold_all_builtins): Ditto.
10464 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10465 * modulo-sched.c (rest_of_handle_sms): Ditto.
10466 * ipa-pure-const.c (static_execute): Ditto.
10467 * cse.c (rest_of_handle_cse): Ditto.
10468 (rest_of_handle_cse2): Ditto.
10469 * web.c (rest_of_handle_web): Ditto.
10470 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10471 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10472 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10473 * tree-nrv.c (tree_nrv): Ditto.
10474 (execute_return_slot_opt): Ditto.
10475 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10476 (create_structure_vars): Ditto.
10477 * loop-init.c (rtl_loop_init): Ditto.
10478 (rtl_loop_done): Ditto.
10479 (rtl_move_loop_invariants): Ditto.
10480 (rtl_unswitch): Ditto.
10481 (rtl_unroll_and_peel_loops): Ditto.
10482 (rtl_doloop): Ditto.
10483 * gimple-low.c (lower_function_body): Ditto.
10484 (mark_used_blocks): Ditto.
10485 * tree-ssa-sink.c (execute_sink_code): Ditto.
10486 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10487 (cgraph_early_inlining): Ditto.
10488 * global.c (rest_of_handle_global_alloc): Ditto.
10489 * jump.c (cleanup_barriers): Ditto.
10490 (purge_line_number_notes): Ditto.
10491 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10492 (rest_of_handle_if_after_reload): Ditto.
10493 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10494 (tree_ssa_loop_im): Ditto.
10495 (tree_ssa_loop_unswitch): Ditto.
10496 (tree_vectorize): Ditto.
10497 (tree_linear_transform): Ditto.
10498 (tree_ssa_loop_ivcanon): Ditto.
10499 (tree_ssa_empty_loop): Ditto.
10500 (tree_ssa_loop_bounds): Ditto.
10501 (tree_complete_unroll): Ditto.
10502 (tree_ssa_loop_prefetch): Ditto.
10503 (tree_ssa_loop_ivopts): Ditto.
10504 (tree_ssa_loop_done): Ditto.
10505 * predict.c (tree_estimate_probability): Ditto.
10506 * recog.c (split_all_insns_noflow): Ditto.
10507 (rest_of_handle_peephole2): Ditto.
10508 (rest_of_handle_split_all_insns): Ditto.
10509 * tree-eh.c (lower_eh_constructs): Ditto.
10510 * regmove.c (rest_of_handle_regmove): Ditto.
10511 (rest_of_handle_stack_adjustments): Ditto.
10512 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10513 * function.c (instantiate_virtual_regs): Ditto.
10514 (init_function_for_compilation): Ditto.
10515 (rest_of_handle_check_leaf_regs): Ditto.
10516 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10517 (rest_of_handle_gcse): Ditto.
10518 * ipa-type-escape.c (type_escape_execute): Ditto.
10519 * alias.c (rest_of_handle_cfg): Ditto.
10520 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10521 * profile.c (rest_of_handle_branch_prob): Ditto.
10522 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10523 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10524 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10525 * tree-dfa.c (find_referenced_vars): Ditto.
10526 * except.c (set_nothrow_function_flags): Ditto.
10527 (convert_to_eh_region_ranges): Ditto.
10528 (rest_of_handle_eh): Ditto.
10529 * emit-rtl.c (unshare_all_rtl): Ditto.
10530 (remove_unnecessary_notes): Ditto.
10531 * except.h (set_nothrow_function_flags): Ditto.
10532 (convert_to_eh_region_ranges): Ditto.
10533 * cfgexpand.c (tree_expand_cfg): Ditto.
10534 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10535 * tree-ssa-pre.c (do_pre): Ditto.
10536 (execute_fre): Ditto.
10537 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10538 (rest_of_handle_jump2): Ditto.
10539 * tree-sra.c (tree_sra): Ditto.
10540 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10541 (execute_mudflap_function_decls): Ditto.
10542 * tree-ssa-copy.c (do_copy_prop): Ditto.
10543 (do_store_copy_prop): Ditto.
10544 * ipa-prop.h (ipcp_driver): Ditto.
10545 * cfglayout.c (insn_locators_initialize): Ditto.
10546 * tree-ssa-forwprop.c
10547 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10548 * cfglayout.h (insn_locators_initialize): Ditto.
10549 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10550 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10551 (execute_late_warn_uninitialized): Ditto.
10552 * rtl.h (cleanup_barriers): Ditto.
10553 (split_all_insns_noflow): Ditto.
10554 (purge_line_number_notes): Ditto.
10555 (unshare_all_rtl): Ditto.
10556 (remove_unnecessary_notes): Ditto.
10557 (recompute_reg_usage): Ditto.
10558 (variable_tracking_main): Ditto.
10559 * integrate.c (emit_initial_value_sets): Ditto.
10560 * integrate.h (emit_initial_value_sets): Ditto.
10561 * tree-optimize.c (execute_free_datastructures): Ditto
10562 (execute_free_cfg_annotations): Ditto.
10563 (execute_fixup_cfg): Ditto.
10564 (execute_cleanup_cfg_pre_ipa): Ditto.
10565 (execute_cleanup_cfg_post_optimizing): Ditto.
10566 (execute_init_datastructures): Ditto.
10567 * tree-object-size.c (compute_object_sizes): Ditto.
10568 * combine.c (rest_of_handle_combine): Ditto.
10569 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10570 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10571 (rest_of_handle_reorder_blocks): Ditto.
10572 (rest_of_handle_partition_blocks): Ditto.
10573 * var-tracking.c (variable_tracking_main): Ditto.
10574 * tree-profile.c (tree_profiling): Ditto.
10575 * tree-vect-generic.c (expand_vector_operations): Ditto.
10576 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10577 * sched-rgn.c (rest_of_handle_sched): Ditto.
10578 (rest_of_handle_sched2): Ditto.
10579 * basic-block.h (free_bb_insn): Ditto.
10580 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10581 * tree-cfg.c (execute_build_cfg): Ditto.
10582 (remove_useless_stmts): Ditto.
10583 (split_critical_edges): Ditto.
10584 (execute_warn_function_return): Ditto.
10585 (execute_warn_function_noreturn): Ditto.
10586 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10587 * cfgrtl.c (free_bb_for_insn): Ditto.
10588 * passes.c (execute_one_pass): Run additional
10589 todos returned by execute function.
10590 * tree-pass.h (struct tree_opt_pass): Make execute
10593 2006-03-02 Richard Guenther <rguenther@suse.de>
10595 * tree-ssa-alias.c (find_used_portions): Consider taking
10596 the address as making the variable not write-only.
10598 2006-03-02 Nick Clifton <nickc@redhat.com>
10600 * config.gcc (default_use_cxa_atexit): Extend the description of
10601 this configure variable. Set its default value to "yes" for
10602 Linux, NetBSD and ELF targets on the assumption that they will
10603 use C libraries with the __cxa_atexit function.
10605 2006-03-02 Ben Elliston <bje@au.ibm.com>
10607 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10608 parameter as unused to suppress a build warning.
10610 2006-03-02 Ben Elliston <bje@au.ibm.com>
10612 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10615 2006-03-01 Roger Sayle <roger@eyesopen.com>
10618 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10619 declared name, the weak reference name, and the typeof name.
10620 (__gthrw): Avoid expanding the declared name suffix.
10621 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10623 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10625 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10627 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10628 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10629 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10630 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10631 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10632 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10633 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10634 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10635 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10636 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10637 (DW_END_default, DW_END_big, DW_END_little): New.
10638 (DW_END_lo_user, DW_END_hi_user): Define.
10639 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10640 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10641 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10644 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10646 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10648 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10650 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10652 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10654 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10655 to 'symbol_mem_tag'.
10657 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10660 2006-03-01 Roger Sayle <roger@eyesopen.com>
10662 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10664 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10667 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10668 MACHO_DYNAMIC_NO_PIC_P.
10669 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10671 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10674 * config/darwin-protos.h (darwin_asm_output_anchor):
10676 * config/darwin-sections.def (cstring_section):
10677 Add SECTION_MERGE to the flags.
10678 (literal4_section): Likewise.
10679 (literal8_section): Likewise.
10680 (objc_selector_refs_section): Likewise.
10681 (objc_cls_refs_section): Likewise.
10682 * config/darwin.c (darwin_asm_output_anchor): New
10684 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10686 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10688 Fix PR tree-optimization/26443
10689 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10690 to todo and PROP_tmt_usage to properties_destroyed.
10691 * tree-ssa-ccp.c (pass_ccp): Ditto.
10692 (pass_store_ccp): Ditto.
10693 * tree-ssa-dom.c (pass_dominator): Ditto.
10695 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10697 * tree-ssa-operands.c: Cleanup whitespace.
10698 (get_asm_expr_operands): Move before first invocation.
10699 (get_indirect_ref_operands): Likewise.
10700 (get_tmr_operands): Likewise.
10701 (get_call_expr_operands): Likewise.
10702 (append_def): Likewise.
10703 (append_use): Likewise.
10704 (append_v_may_def): Likewise.
10705 (append_v_must_def): Likewise.
10706 (add_call_clobber_ops): Likewise.
10707 (add_call_read_ops): Likewise.
10708 (add_stmt_operand): Likewise.
10709 (add_virtual_operand): Likewise.
10710 (build_ssa_operands): Likewise.
10712 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10714 PR middle-end/26022
10716 PR middle-end/24437
10717 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10718 with a call expr to ...
10719 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10721 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10723 * tree-vrp.c (extract_range_from_assert): Remove special
10724 handling for types with super-types.
10726 2006-03-01 Ben Elliston <bje@au.ibm.com>
10728 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10729 and powerpc64-*-linux* configurations.
10730 * config/t-dfprules: New file.
10732 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10733 Compile dfp-bit.c from the source directory using -DWIDTH and
10734 $DFP_CFLAGS to control the compilation of that file, rather than
10735 generating width-specific versions in the build directory.
10736 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10737 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10739 2006-02-28 Zack Weinberg <zackw@panix.com>
10741 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10744 2006-02-28 Eric Christopher <echristo@apple.com>
10746 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10747 Set up IN_LIBGCC definition of TARGET_64BIT.
10748 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10750 2006-02-28 Roger Sayle <roger@eyesopen.com>
10752 PR middle-end/14752
10753 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10754 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10755 cases via the construction of "expr != 0".
10757 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10759 * alias.c (alias_invariant, alias_invariant_size): Remove.
10760 (record_base_value): Remove.
10761 (memrefs_conflict_p): Don't look at alias_invariant.
10762 (end_alias_analysis): Don't free it.
10763 * alias.h (record_base_value): Remove prototype.
10765 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10766 Adam Nemet <anemet@caviumnetworks.com>
10768 * rtl.h (truncated_to_mode): Declare it.
10769 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10770 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10771 (RTL_HOOKS_INITIALIZER): Include it.
10772 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10773 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10774 reg_truncated_to_mode.
10775 * rtlanal.c (truncated_to_mode): Define it.
10776 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10778 2006-02-28 Jeff Law <law@redhat.com>
10780 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10781 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10782 the range allowed by TYPE_PRECISION.
10784 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10786 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10788 PR tree-optimization/26419
10789 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10792 2006-02-27 Zack Weinberg <zackw@panix.com>
10794 * doc/md.texi: Fix typo in previous change.
10796 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10800 2006-02-27 Zack Weinberg <zackw@panix.com>
10802 * rtl.def (define_constraint, define_register_constraint)
10803 (define_memory_constraint, define_address_constraint): New MD forms.
10804 * gensupport.c (process_rtx): Put define_constraint etc on the
10806 * genpreds.c (process_define_predicate): Adjust comment. Validate
10807 the name, and call validate_exp to validate the expression.
10808 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10809 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10810 all callers changed.
10811 (validate_exp, needs_variable, struct constraint_data)
10812 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10813 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10814 (const_dbl_constraints, constraint_max_namelen)
10815 (have_register_constraints, have_memory_constraints)
10816 (have_address_constraints, have_address_constraints)
10817 (have_extra_constraints, have_const_int_constraints)
10818 (have_const_dbl_constraints, mangle, add_constraint)
10819 (process_define_constraint, process_define_register_constraint)
10820 (write_enum_constraint_num, write_lookup_constraint)
10821 (write_insn_constraint_len, write_regclass_for_constraint)
10822 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10823 (write_insn_extra_memory_constraint)
10824 (write_insn_extra_address_constraint)
10825 (write_satisfies_constraint_fns): New.
10826 (write_tm_preds_h): If we have new-style constraint definitions,
10827 prototype the functions generated from them, and define the
10828 old constraint interface (still used by generic code) in terms of
10830 (write_insn_preds_c): If we have new-style constraint definitions,
10831 generate all relevant functions from those definitions.
10832 (main): Handle define_constraint etc.
10833 * genoutput.c (struct constraint_data, indep_constraints)
10834 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10835 (mdep_constraint_len): New data structures and functions, defined
10836 #ifdef USE_MD_CONSTRAINTS.
10837 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10838 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10839 use new logic to validate operand constraints against constraint
10841 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10843 * defaults.h: If none of the old-style constraint macros are
10844 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10845 old-style macros; and poison REG_CLASS_FROM_LETTER,
10846 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10848 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10849 * doc/md.texi: Document new constraint-definition mechanism and the
10850 C interface it provides. Remove references to old mechanism
10851 elsewhere in the document.
10852 (Machine Constraints): Use pathnames relative to gcc directory,
10853 i.e. config/ARCH/FILE. Change i386 section to refer to
10854 config/i386/predicates.md; update that section to match docstrings.
10855 * doc/tm.texi: Move all documentation of the old constraint-
10856 definition macros to their own section, clearly mark as obsolete.
10858 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10859 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10861 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10862 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10863 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10864 constraint strings.
10865 (splits and peepholes): Use satisfies_constraint_*.
10866 * config/i386/i386.c (memory_address_length)
10867 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10869 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10871 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10872 scalar operation to be put back into the loop.
10874 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10877 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10878 (extract_cie_info): Handle S flag in augmentation string.
10879 (execute_cfa_program): If context->signal_frame, execute also
10880 fs->pc == context->ra instructions.
10881 (uw_frame_state_for): If context->signal_frame, don't subtract one
10882 from context->ra to find FDE.
10883 (uw_update_context_1): Set context->signal_frame to
10885 (_Unwind_GetIPInfo): New function.
10886 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10887 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10889 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10890 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10891 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10892 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10893 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10894 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10895 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10896 x86_64_fallback_frame_state): Set fs->signal_frame.
10897 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10898 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10899 (frob_update_context): Likewise. Workaround missing S flag in
10900 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10901 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10902 Remove the psw_addr + 1 hack.
10904 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10906 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10907 with aggregates here.
10908 (find_func_aliases): Remove code for &<aggregate> from here.
10910 2006-02-26 Roger Sayle <roger@eyesopen.com>
10912 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10913 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10914 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10915 as (X & C) ne/eq 0.
10917 2006-02-26 Roger Sayle <roger@eyesopen.com>
10919 PR middle-end/19983
10920 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10922 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10924 * opts.c (decode_options): Do not handle flag_strength_reduce.
10925 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10926 and OPT_fstrength_reduce.
10927 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10928 flag_prefetch_loop_arrays for being nonzero.
10929 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10931 (fprefetch-loop-arrays-rtl): Removed.
10932 (flag_prefetch_loop_arrays): Do not specify the value.
10934 * doc/passes.texi: Update documentation of loop optimizer
10936 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10937 -frerun-loop-opt): Remove.
10939 2006-02-26 Richard Guenther <rguenther@suse.de>
10941 PR tree-optimization/26421
10942 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10943 in function calls that are ADDR_EXPRs as using the whole structure.
10945 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10947 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10948 * tree-pass.h (pass_loop_optimize): Remove.
10949 * passes.c (pass_loop_optimize): Never run it.
10950 * toplev.c (backend_init): Don't call init_loop.
10951 * opts.c (flag_loop_optimize_set): Remove.
10952 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10953 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10954 the old RTL loop optimizer when profiling enabled.
10955 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10956 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10957 pre-headers for the sake of the old RTL loop optimizer.
10958 * Makefile.in: Remove all references to loop.o.
10960 * doc/invoke.texi: Remove all references to -floop-optimize
10961 and -frerun-loop-opt.
10963 2006-02-26 Zack Weinberg <zackw@panix.com>
10965 * doc/md.texi (Machine Constraints): Refer to all files with paths
10966 relative to gcc directory (i.e. config/CPU/file). Add missing
10967 @table @code ... @end table to M32C subsection.
10969 2006-02-26 Roger Sayle <roger@eyesopen.com>
10971 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10973 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10975 2006-02-26 Roger Sayle <roger@eyesopen.com>
10976 James A. Morrison <phython@gcc.gnu.org>
10978 PR middle-end/21137
10979 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10980 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10981 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10982 signedness of the shift operation.
10984 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10986 PR tree-optimization/26359
10987 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10989 2006-02-25 Roger Sayle <roger@eyesopen.com>
10991 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10992 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10993 as X == 0, and some symmetry related transformations.
10994 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10996 2006-02-25 Roger Sayle <roger@eyesopen.com>
10998 PR middle-end/23673
10999 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11000 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11001 symmetry related transformations. Fold (X^C1) == C2 as
11004 2006-02-25 Juergen Weigert <jw@suse.de>
11005 Richard Guenther <rguenther@suse.de>
11007 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11009 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11011 * combine.c (gen_lowpart_or_truncate): Call
11012 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11014 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11016 * doc/invoke.texi: Move -fopenmp description to "Options for
11018 Remove reference to -lgomp.
11020 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11022 * doc/install.texi: Require GNU tar version 1.14.
11024 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11026 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11027 * doc/invoke.texi (C++ Dialect Options): Document
11028 -fno-use-cxa-get-exception-ptr.
11029 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11030 * configure: Regenerate.
11031 * c.opt (fuse-cxa-get-exception-ptr): New.
11032 * c-opts.c (c_common_handle_option): Handle
11033 OPT_fuse_cxa_get_exception_ptr.
11034 * c-common.c (flag_use_cxa_atexit): Update documentation.
11035 (flag_use_cxa_get_exception_ptr): New.
11036 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11037 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11039 (C_COMMON_OVERRIDE_OPTIONS): New.
11041 2006-02-24 Roger Sayle <roger@eyesopen.com>
11043 PR middle-end/24952
11044 * combine.c (try_combine): Explicitly check whether GET_CODE is
11045 a SET or a CLOBBER, instead on checking that it isn't a USE.
11047 2006-02-24 Roger Sayle <roger@eyesopen.com>
11049 * fold-const.c (fold_comparison): New subroutine of fold_binary
11050 containing transformations common to both the equality and
11051 ordering relational operators, factored out of fold_binary.
11052 (fold_binary): Separate out the equality operators (EQ_EXPR
11053 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11054 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11055 transformations common to both.
11056 (fold_div_compare): Fix latent bugs in the previously unreachable
11057 LT_EXPR and GE_EXPR cases.
11059 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11061 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11062 decl libname for clog to __clog on AIX.
11064 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11066 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11069 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11070 output traceback table for thunks. Localise rs6000_stack_info call.
11072 2006-02-23 Roger Sayle <roger@eyesopen.com>
11073 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11075 * gthr-posix.h (__gthrw): Fix typo in comment.
11077 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11079 * doc/cpp.texi (Character sets): Document that we do support
11080 input files to be in any character set.
11082 2006-02-23 Jeff Law <law@redhat.com>
11084 * tree.h (PHI_ARG_NONZERO): Remove.
11085 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11086 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11087 node to the new node.
11089 PR tree-optimization/26425
11090 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11091 min/max, then assume its varying.
11093 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11095 PR rtl-optimization/26316
11096 * rtlanal.c (enum may_trap_p_flags): New.
11097 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11098 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11099 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11100 (may_trap_after_code_motion_p): New function.
11101 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11102 (find_invariant_insn): Use may_trap_after_code_motion_p.
11103 * rtl.h (may_trap_after_code_motion_p): Declare.
11105 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11107 * emit-rtl.c (immed_double_const): Cleanup.
11109 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11111 Fix PR tree-optimization/26376
11112 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11115 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11117 PR middle-end/26412
11118 * gimplify.c (omp_add_variable): Guard variable size decl test with
11119 DECL_SIZE (decl) check.
11121 2006-02-23 Richard Guenther <rguenther@suse.de>
11123 PR middle-end/26439
11124 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11125 like aggregate types.
11127 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11129 * configure.ac: Add --with{,out}-long-double-128 configure option.
11130 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11131 * configure: Rebuilt.
11132 * config.in: Rebuilt.
11133 * doc/install.texi (Options specification): Document
11134 --with-long-double-128.
11136 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11137 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11138 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11139 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11141 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11143 * config/s390/s390.c (override_options): Handle
11144 TARGET_DEFAULT_LONG_DOUBLE_128.
11146 * config/alpha/alpha.c (override_options): Handle
11147 TARGET_DEFAULT_LONG_DOUBLE_128.
11149 * config/sparc/sparc.c (sparc_override_options): Handle
11150 TARGET_DEFAULT_LONG_DOUBLE_128.
11152 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11154 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11155 (real-install-headers-tar, real-install-headers-cpio)
11156 (real-install-headers-cp): New targets.
11158 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11160 * tree.h (variable_section): Delete.
11161 * varasm.c (variable_section): Delete.
11163 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11165 * install.texi: Add notes on install.texi2html.
11166 (Building in parallel): Do not use footnotes.
11168 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11171 * doc/install.texi (Configuration): Document --disable-libgomp.
11173 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11175 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11177 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11179 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11180 (vec_extractv2df_0_sse): New.
11182 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11184 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11185 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11186 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11187 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11188 to the result of the expression.
11189 (def_cfa_1): Adjust.
11190 (frame_pointer_cfa_offset): Rename to...
11191 (frame_pointer_fb_offset): ... this. Adjust all uses.
11192 (convert_cfa_to_loc_list): Rename to...
11193 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11194 Pass it on to build_cfa_loc.
11195 (compute_frame_pointer_to_cfa_displacement): Rename to...
11196 (compute_frame_pointer_to_fb_displacement): ... this. New
11197 offset parameter. Use it in computation.
11198 (gen_subprogram_die): Compute cfa_fb_offset with the new
11199 macro, and use it to compute the fb loc list and the
11202 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11204 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11205 replaced with register_operand.
11206 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11207 non-DREG is expensive.
11208 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11209 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11212 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11214 * doc/install.texi2html: Use set -e.
11216 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11218 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11219 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11220 * doc/invoke.texi (-fshared-data): Delete.
11221 * common.opt (fshared-data): Delete.
11222 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11223 (assemble_static_space): Remove #if 0 code.
11224 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11225 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11226 * config/cris/cris.h: Remove FIXME.
11228 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11230 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11233 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11235 PR middle-end/26379
11236 * combine.c (simplify_shift_const_1): Disable nested shifts
11237 optimization for vector shifts.
11239 2006-02-20 Roger Sayle <roger@eyesopen.com>
11241 PR tree-optimization/26361
11242 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11243 of unsigned integer types.
11245 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11247 * tree-chrec.c (eq_evolutions_p): New.
11248 * tree-chrec.h (eq_evolutions_p): Declared.
11249 * tree-data-ref.c: Fix formatting.
11250 (datadep_stats, dependence_stats): New.
11252 (print_direction_vector): New.
11253 (dump_data_dependence_relation): Use print_direction_vector.
11254 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11255 (compute_subscript_distance): Static.
11256 (initialize_data_dependence_relation): Static. Get the number
11257 of loops surrounding the references from the callers, and initialize
11258 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11259 base_object_differ_p analyzers.
11260 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11261 compute_overlap_steps_for_affine_1_2,
11262 analyze_subscript_affine_affine): Count the classified dependences.
11263 Print a message when a test failed.
11264 (can_use_analyze_subscript_affine_affine): New.
11265 (analyze_siv_subscript): Compute the data dependences on symbolic
11266 scevs that verify can_use_analyze_subscript_affine_affine.
11267 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11268 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11269 Handle symbolic scevs.
11270 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11272 (subscript_dependence_tester): Moved...
11273 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11274 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11275 DDR_SIZE_VECT instead of getting it in parameter.
11276 (subscript_dependence_tester): ... here. Take as a parameter
11277 loop_nest_depth. Call build_classic_dist_vector and
11278 build_classic_dir_vector.
11279 (compute_affine_dependence): Update subscript_dependence_tester
11280 parameters. Update datadep_stats counters. Call
11281 compute_subscript_distance.
11282 (compute_self_dependence): Save the dist and dir vectors. Call
11283 compute_subscript_distance.
11284 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11285 (compute_all_dependences): Reorder parameters as they were before
11286 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11287 compute_subscript_distance. Update the use of
11288 compute_affine_dependence and initialize_data_dependence_relation.
11289 (find_data_references_in_loop): Handle COMPONENT_REF.
11290 (compute_data_dependences_for_loop): Initialize dependence_stats.
11291 Don't call build_classic_dist_vector and build_classic_dir_vector.
11292 Update the parameters of initialize_data_dependence_relation and
11293 compute_all_dependences. Print the statistics from datadep_stats.
11294 (analyze_all_data_dependences): Static. Not used until the pass for
11295 checking the data dependences is contributed.
11296 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11297 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11298 (initialize_data_dependence_relation, compute_affine_dependence,
11299 analyze_all_data_dependences, compute_subscript_distance): Removed.
11300 (print_direction_vector): New.
11301 * lambda.h (gcd): ... here.
11302 (lambda_vector_gcd): Moved here from gcd_vector.
11303 * lambda-code.c (gcd, gcd_vector): Removed.
11304 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11305 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11307 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11309 * ipa-type-escape.c: Tidy some comments and white space.
11310 * tree-ssa-operands.c: Likewise.
11312 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11315 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11316 (dump_decl_name): Do not walk the decl tree chains.
11317 * tree-pass.h (TDF_CHAIN): Remove.
11319 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11321 * Makefile.in (C): Remove
11323 (.PHONY): Remove C and PROTO
11325 2006-02-20 Roger Sayle <roger@eyesopen.com>
11327 PR middle-end/26236
11328 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11329 deprecated CHAR_TYPE tree code.
11331 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11333 * configure.ac (target_list): Add install-info, dvi, html.
11334 * configure: Regenerate.
11336 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11337 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11338 treelang/Make-lang.in: Do not use double-colon rules.
11340 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11342 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11343 (TMT_USED_ALONE): New macro.
11344 * tree-pass.h (PROP_tmt_usage): New property.
11345 (TODO_update_tmt_usage): New todo.
11346 * tree-ssa-alias.c (updating_used_alone): New variable.
11347 (recalculate_used_alone): New function.
11348 (compute_may_aliases): Set updating_used_alone, call
11349 recalculate_used_alone.
11350 * tree-sra.c (pass_sra): Note that this pass destroys
11351 PROP_tmt_usage, and add TODO_update_tmt_usage.
11352 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11353 * tree-flow.h (updating_used_alone): Prototype.
11354 (recalculate_used_alone): Ditto.
11355 * passes.c (execute_todo): Add code to set updating_used_alone,
11356 and call recalculate.
11357 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11358 for clobber if used alone, and add assert to verify used_alone
11361 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11363 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11364 for non tls symbols added.
11365 (legitimize_address): Do nothing for PLUS expressions if one of the
11366 addends is a tls symbol reference.
11368 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11372 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11374 * Makefile.in (BOOTSTRAPPING): New.
11375 (quickstrap): New definition if BOOTSTRAPPING=yes.
11377 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11378 * configure.ac: Substitute all_selected_languages with the languages
11379 that were configured. For all the other variables except
11380 lang_specs_files, include all the languages in the tree.
11381 * configure: Regenerate.
11383 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11384 if there is one. Run the commands to run fixincludes in the same
11387 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11388 * doc/install.texi: Document exact conventions for searching target tools.
11389 Document --with-build-time-tools. Document toplevel bootstrap. Document
11390 something more about building an Ada cross-compiler. Don't list GNU Make
11391 requirements which affect all platforms.
11393 2006-02-19 Roger Sayle <roger@eyesopen.com>
11395 PR middle-end/19543
11396 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11397 only equivalent if the have both the same mode and precision.
11399 2006-02-20 Ben Elliston <bje@au.ibm.com>
11401 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11403 2006-02-19 Roger Sayle <roger@eyesopen.com>
11404 Steven Bosscher <stevenb.gcc@gmail.com>
11406 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11407 constant pool references to identify stack mode constants.
11408 * rtlanal.c (constant_pool_constant_p): New predicate to check
11409 whether operand is a floating point constant in the pool.
11410 * rtl.h (constant_pool_constant_p): Prototype here.
11411 * loop.c (scan_loop): Avoid hoisting constants from the constant
11412 pool on STACK_REGS targets.
11413 (load_mems): Likewise.
11414 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11415 loads into x87 registers expensive in terms of register pressure.
11417 2006-02-19 Roger Sayle <roger@eyesopen.com>
11419 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11420 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11422 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11424 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11425 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11427 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11429 * doc/invoke.texi: Document -fipa-pta.
11430 * common.opt: Add ipa-pta option.
11431 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11432 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11433 (do_ds_constraint): Ditto.
11434 (get_constraint_for): Only add to referenced_vars if
11435 referenced_vars exists.
11436 (insert_into_field_list): Rewrite to do this unsorted.
11437 (insert_into_field_list_sorted): Rename old insert_into_field_list
11439 (create_function_info_for): Use insert_into_field_list_sorted.
11440 (create_variable_info_for): Rewrite so it uses unsorted version,
11441 since the field list is sorted.
11442 (intra_create_variable_infos): Only add to referenced_vars if
11443 referenced_vars exists.
11444 (ipa_pta_execute): Init heapvars, and delete when done.
11445 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11447 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11449 * doc/install.texi: Add missing `@samp'.
11451 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11453 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11456 2006-02-18 Mark Wielaard <mark@klomp.org>
11458 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11459 who added new 4.1 features, bug fixes and integration support.
11461 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11464 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11465 MEM for ABI_V4 pic.
11467 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11469 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11470 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11471 (copy_insn_1): Likewise. Don't copy each field individually.
11473 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11475 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11476 * rtl.c (rtx_size): Rename variable to...
11477 (rtx_code_size): ...this.
11478 (rtx_size): New function.
11479 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11480 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11482 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11483 * rtl.h (rtx_code_size): New variable.
11484 (rtx_size): Change from a variable to a function.
11485 (RTX_SIZE): Rename to...
11486 (RTX_CODE_SIZE): ...this.
11489 PR tree-optimization/17106
11490 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11491 (Anchored Addresses): New section.
11492 * doc/invoke.texi (-fsection-anchors): Document.
11493 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11494 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11495 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11496 * hooks.c (hook_bool_mode_rtx_false): New function.
11497 * hooks.h (hook_bool_mode_rtx_false): Declare.
11498 * gengtype.c (create_optional_field): New function.
11499 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11500 SYMBOL_REF_IN_BLOCK_P is true.
11501 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11502 (min_anchor_offset, max_anchor_offset): Likewise.
11503 (use_anchors_for_symbol_p): New hook.
11504 * toplev.c (compile_file): Call output_object_blocks.
11505 (target_supports_section_anchors_p): New function.
11506 (process_options): Check that -fsection-anchors is only used on
11507 targets that support it and when -funit-at-a-time is in effect.
11508 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11509 if the decl doesn't have one.
11510 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11511 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11512 of force_const_mem through use_anchored_address.
11513 (expand_expr_constant): New function.
11514 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11515 calling expand_expr for INDIRECT_REF.
11516 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11517 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11518 * expr.h (use_anchored_address): Declare.
11519 * loop-unroll.c: Don't declare rtx vectors here.
11520 * explow.c: Include output.h.
11521 (validize_mem): Call use_anchored_address.
11522 (use_anchored_address): New function.
11523 * common.opt (-fsection-anchors): New switch.
11524 * varasm.c (object_block_htab, anchor_labelno): New variables.
11525 (hash_section, object_block_entry_eq, object_block_entry_hash)
11526 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11527 (use_blocks_for_decl_p, change_symbol_section): New functions.
11528 (get_variable_section): New function, split out from assemble_variable.
11529 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11530 use_blocks_for_decl_p say so. Use change_symbol_section if the
11531 symbol has already been created.
11532 (assemble_variable_contents): New function, split out from...
11533 (assemble_variable): ...here. Don't output any code for
11534 block symbols; just pass them to place_block_symbol.
11535 Use get_variable_section and assemble_variable_contents.
11536 (get_constant_alignment, get_constant_section, get_constant_size): New
11537 functions, split from output_constant_def_contents.
11538 (build_constant_desc): Create a block symbol if use_object_blocks_p
11539 says so. Or into SYMBOL_REF_FLAGS.
11540 (assemble_constant_contents): New function, split from...
11541 (output_constant_def_contents): ...here. Don't output any code
11542 for block symbols; just pass them to place_section_symbol.
11543 Use get_constant_section and get_constant_alignment.
11544 (force_const_mem): Create a block symbol if use_object_blocks_p and
11545 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11546 (output_constant_pool_1): Add an explicit alignment argument.
11547 Don't switch sections here.
11548 (output_constant_pool): Adjust call to output_constant_pool_1.
11549 Switch sections here instead. Don't output anything for block symbols;
11550 just pass them to place_block_symbol.
11551 (init_varasm_once): Initialize object_block_htab.
11552 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11553 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11554 (place_block_symbol, get_section_anchor, output_object_block)
11555 (output_object_block_htab, output_object_blocks): New functions.
11556 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11557 (TARGET_ASM_OUT): Include it.
11558 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11559 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11560 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11561 (TARGET_INITIALIZER): Include them.
11562 * rtl.c (rtl_check_failed_block_symbol): New function.
11563 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11564 (block_symbol, object_block): New structures.
11565 (rtx_def): Add a block_symbol field to the union.
11566 (BLOCK_SYMBOL_CHECK): New macro.
11567 (rtl_check_failed_block_symbol): Declare.
11568 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11569 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11570 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11571 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11572 * output.h (output_section_symbols): Declare.
11573 (object_block): Name structure.
11574 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11575 (default_use_anchors_for_symbol_p): Declare.
11576 * Makefile.in (RTL_BASE_H): Add vec.h.
11577 (explow.o): Depend on output.h.
11578 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11579 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11580 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11581 (rs6000_use_blocks_for_constant_p): New function.
11583 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11585 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11587 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11590 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11593 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11595 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11599 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11601 PR middle-end/26334
11602 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11603 instead of DECL_REGISTER.
11605 2006-02-18 Olivier Hainque <hainque@adacore.com>
11608 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11610 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11613 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11614 * opth-gen.awk: Handle Var and InverseMask together.
11615 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11616 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11617 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11618 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11620 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11621 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11622 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11623 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11624 LINUX_DYNAMIC_LINKER): Define.
11625 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11626 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11628 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11629 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11630 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11631 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11632 (TARGET_C99_FUNCTIONS): Don't define.
11633 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11634 GLIBC_DYNAMIC_LINKER.
11635 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11636 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11637 GLIBC_DYNAMIC_LINKER64): Define.
11638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11639 LINUX_DYNAMIC_LINKER64.
11640 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11642 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11643 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11644 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11645 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11646 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11647 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11648 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11649 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11650 and LINUX_DYNAMIC_LINKER32.
11651 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11652 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11653 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11654 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11655 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11657 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11658 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11659 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11660 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11661 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11662 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11663 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11664 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11665 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11666 LINUX_DYNAMIC_LINKER): Define.
11667 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11668 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11669 GLIBC_DYNAMIC_LINKER64): Define.
11670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11671 LINUX_DYNAMIC_LINKER64.
11672 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11673 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11674 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11675 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11676 LINUX_DYNAMIC_LINKER): Define.
11677 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11678 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11679 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11680 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11681 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11682 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11683 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11684 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11685 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11686 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11687 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11688 * doc/invoke.texi (-muclibc): Remove caveat about supported
11691 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11693 * doc/cpp.texi (__TIMESTAMP__): Document.
11695 2006-02-17 Roger Sayle <roger@eyesopen.com>
11697 PR middle-end/25600
11698 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11699 C is one less than the width of X (and related transformations).
11700 * simplify-rtx.c (simplify_unary_operation_1): Transform
11701 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11702 depending on STORE_FLAG_VALUE, were C is one less then the
11705 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11707 Fix PR tree-optimization/26341
11708 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11709 about NAME_MEMORY_TAG's.
11711 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11714 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11715 with hardware float support, and software float support. Add fcpy
11716 alternative to hardware patterns. Add alternatives to copy between
11717 general and floating-point registers to the 32-bit pattern.
11718 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11719 secondary reload to load a QI or HI mode constant into a floating
11721 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11722 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11724 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11727 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11729 (load_macho_picbase_di): Likewise.
11731 2006-02-16 Jeff Law <law@redhat.com>
11733 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11734 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11735 (ssa_name_nonzero_p): Likewise.
11736 (get_value_range): Return NULL if VRP is not running.
11737 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11738 VRP routines do not discover a range.
11739 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11740 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11741 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11742 (tree_expr_nonnegative_p): Similarly.
11743 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11744 (restore_nonzero_vars_to_original_value): Remove.
11745 (unsafe_associative_fp_binop): Remove.
11746 (tree_ssa_dominator_optimize): Remove initialization and
11747 finalization of nonzero_vars and nonzero_vars_stack.
11748 (dom_opt_initialize_block): No longer push marker on
11749 nonzero_vars_stack.
11750 (dom_opt_finalize_block): No longer call
11751 restore_nonzero_vars_to_original_value.
11752 (record_equivalences_from_phis): No longer look for
11753 nonzero PHI arguments.
11754 (cprop_into_successor_phis): No longer propagate nonzero
11755 property into PHI arguments. Lose unused argument. Caller
11757 (record_equivalences_from_stmt): No longer record nonzero
11758 values for SSA_NAMEs.
11759 (lookup_avail_expr): No longer use nonzero_vars.
11761 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11762 for sizetype when sizetype is unsigned.
11764 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11766 PR rtl-optimization/25603
11767 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11768 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11769 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11770 with new meaning of SETS.
11772 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11777 * config/linux.opt: New file.
11778 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11779 LINUX_DYNAMIC_LINKER): Define.
11780 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11781 * config.gcc (*-*-linux*): Define extra_options.
11782 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11783 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11784 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11785 GLIBC_DYNAMIC_LINKER.
11786 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11787 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11788 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11789 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11790 * doc/invoke.texi (GNU/Linux Options): New section.
11792 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11794 * config/sparc/sparc.md (setjmp): Rewrite.
11795 (setjmp_32): Delete.
11796 (setjmp_64): Likewise.
11798 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11800 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11803 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11805 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11808 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11810 PR rtl-optimization/26296
11811 * Makefile.in (loop-invariant.c): Add except.h dependency.
11812 * loop-invariant.c: Include except.h.
11813 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11815 2005-02-16 Paul Brook <paul@codesourcery.com>
11817 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11820 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11822 PR rtl-optimization/25636
11823 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11824 when deciding whether an insn is an initializing insn.
11826 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11828 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11829 (tree_code_size): Ditto.
11830 * tree.h (struct tree_memory_tag): Remove parent_var.
11831 (struct tree_struct_field_tag): New.
11834 (union tree_node): Add sft member.
11835 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11837 (create_sft): Add size and offset argument, set SFT_OFFSET and
11839 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11840 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11841 * tree-flow-inline.h (get_subvar_at): Update for
11842 SFT_OFFSET/SFT_SIZE.
11843 (var_can_have_subvars): Ditto.
11844 (overlap_subvar): Ditto.
11845 * print-tree.c (print_node): Print out interesting things for
11847 * tree-flow.h (struct subvar): Remove offset and size members.
11848 * tree-ssa-operands.c (get_expr_operands): Update for
11849 get_indirect_ref_operands changes.
11850 (get_indirect_ref_operands): Call add_virtual_operand instead of
11851 add_stmt_operand. Only recurse on base var if requested.
11852 (access_can_touch_variable): New function.
11853 (add_stmt_operand): Split virtual operand handling into ...
11854 (add_virtual_operand): Here. Add offset, size, and for_clobber
11855 arguments. Prune alias sets.
11856 (add_call_clobber_ops): Call add_virtual_operand.
11858 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11860 PR middle-end/26300
11861 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11863 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11864 than TREE_CODE as index into omp_clause_num_ops array.
11866 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11868 PR rtl-optimization/26184
11869 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11871 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11872 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11873 must_precede, must_follow and tobe_scheduled.
11876 * opts.c (common_handle_option): Free new_option pointer.
11877 * df-core.c (df_analyze): Free postorder pointer.
11879 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11881 * Makefile.in: Fix the examples about the use of stamps
11883 2006-02-15 Michael Matz <matz@suse.de>
11885 PR middle-end/22275
11887 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11888 influenced by maximum_field_alignment or DECL_PACKED.
11889 (update_alignment_for_field): Ditto.
11890 (place_field): Ditto.
11891 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11894 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11896 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11897 (debug_flow_info): Pass it.
11898 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11899 * bb-reorder.c (reorder_basic_blocks): Likewise.
11900 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11901 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11902 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11903 * gcse.c (gcse_main, bypass_jumps): Likewise.
11904 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11905 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11906 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11907 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11908 * rtl.h (dump_flow_info): Adjust prototype.
11909 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11910 * var-tracking.c (variable_tracking_main): Likewise.
11911 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11912 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11915 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11917 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11920 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11922 PR tree-optimization/26209
11923 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11924 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11926 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11928 2006-02-14 Roger Sayle <roger@eyesopen.com>
11930 PR middle-end/23670
11931 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11932 (X,Y) and the corresponding symmetry related transformations.
11933 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11934 (X,Y) and its symmetry related transformations.
11936 2006-02-14 Roger Sayle <roger@eyesopen.com>
11938 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11941 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11943 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11945 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11948 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11949 support COMDAT group.
11950 * configure: Regenerate.
11952 2006-02-14 Roger Sayle <roger@eyesopen.com>
11954 PR middle-end/26279
11955 PR middle-end/26280
11956 PR middle-end/26283
11957 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11959 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11961 Fix PR tree-optimization/26260
11963 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11965 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11966 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11967 * tree-ssa-structalias.c (create_variable_info_for): Use
11968 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11970 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11972 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11974 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11975 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11976 of the ending condition.
11977 * tree-ssa-loop-manip.c: Include params.h.
11978 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11979 tree_unroll_loop): New functions.
11980 * tree-pass.h (pass_loop_prefetch): Declare.
11981 * loop.c (rest_of_handle_loop_optimize): Test for
11982 -fprefetch-loop-arrays-rtl.
11983 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11984 * timevar.def (TV_TREE_PREFETCH): New timevar.
11985 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11986 pass_loop_prefetch): New.
11987 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11988 (cleanup_tree_cfg_loop): Call scev_reset.
11989 * common.opt (fprefetch-loop-arrays-rtl): Add.
11990 * tree-ssa-loop-prefetch.c: New file.
11991 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11992 (new_temp_expr_table): Initialize expr_vars.
11993 (free_temp_expr_table): Cleanup expr_vars.
11994 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11995 expressions from being merged into one.
11996 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11997 (struct tree_niter_desc): Add control, bound and cmp fields.
11998 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12000 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12001 (tree-cfgcleanup.o): Add SCEV_H dependency.
12002 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12003 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12005 2006-02-14 Richard Guenther <rguenther@suse.de>
12007 PR tree-optimization/26258
12008 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12009 in PHI argument processing.
12011 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12013 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12014 new expression in the requested machine mode.
12016 2006-02-13 Roger Sayle <roger@eyesopen.com>
12018 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12019 directly, instead let do_compare_rtx_and_jump handle this for us.
12020 * expr.c (expand_expr_real_1): Likewise.
12021 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12022 before do_jump_by_parts_greater.
12023 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12024 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12026 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12028 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12030 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12032 PR rtl-optimization/26235
12033 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12034 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12037 2006-02-13 Jeff Law <law@redhat.com>
12039 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12042 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12044 PR middle-end/26092
12045 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12046 twice if decl is a builtin. When trying again, call get_callee_fndecl
12047 first to verify it is still a builtin.
12049 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12051 * dwarf2out.c (base_type_die): Don't add AT_name here.
12052 (subrange_type_die): Don't add AT_name here.
12053 (modified_type_die): Rearrange code flow. Do add AT_name here.
12055 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12057 PR rtl-optimization/26247
12058 PR rtl-optimization/26248
12059 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12061 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12063 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12064 * config/fixtfdi.c: Likewise.
12065 * config/fixunstfdi.c: Likewise.
12066 * config/floatditf.c: Likewise.
12068 2006-02-13 Roger Sayle <roger@eyesopen.com>
12070 PR middle-end/24427
12071 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12072 into (X,C2) if C1 is a subset of the bits of C2. Transform
12073 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12075 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12077 2006-02-13 Josh Conner <jconner@apple.com>
12080 * varasm.c (function_section): Check for section name before
12081 calling select_section on targets that define
12082 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12083 unlikely_text_section instead of hot_function_section if
12084 first_function_block_is_cold.
12086 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12088 PR middle-end/25335
12089 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12091 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12093 PR rtl-optimization/26222
12094 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12095 after tree->rtl expansion.
12096 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12097 before passing it to emit_move_insn.
12099 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12101 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12103 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12104 Clarify documentation.
12105 * c-common.h (warn_write_strings): Remove.
12106 * c-common.c (warn_write_strings): Likewise.
12107 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12110 2006-02-12 Roger Sayle <roger@eyesopen.com>
12112 PR middle-end/25724
12113 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12114 (do_jump_parts_zero_rtx): New function renamed from
12115 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12116 (do_jump_parts_equality_rtx): New function split out from
12117 do_jump_parts_equality. Old implementation renamed as above.
12118 Call do_jump_parts_zero_rtx if either operand is zero.
12119 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12120 do all of the heavy lifting.
12121 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12122 calling either do_jump_by_parts_greater_rtx or
12123 do_jump_by_parts_equality_rtx.
12124 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12125 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12126 moved to do_compare_rtx_and_jump, call it directly.
12127 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12128 mode argument. Call do_compare_rtx_and_jump.
12129 (emit_case_nodes): Update calls to do_jump_if_equal.
12131 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12133 PR rtl-optimization/26225
12134 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12136 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12138 PR rtl-optimization/26232
12139 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12141 2006-02-11 Jason Merrill <jason@redhat.com>
12144 * tree-inline.c (declare_return_variable): Just don't use the
12145 modify target if it's a gimple complex reg and the return slot
12148 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12150 * doc/contrib.texi: Update my entry.
12152 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12154 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12156 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12158 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12161 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12163 * doc/invoke.texi (-floop-optimize2): Removed.
12164 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12165 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12166 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12167 * common.opt (floop-optimize2): Removed.
12168 (fmove-loop-invariants): Enabled by default.
12170 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12172 * tree-if-conv.c (combine_blocks): Free the result of
12173 get_loop_exit_edges.
12175 2006-02-10 Jeff Law <law@redhat.com>
12177 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12179 PR tree-optimization/26213
12180 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12181 loop trying to follow SSA_NAME_VALUE chains.
12183 2006-02-10 Richard Guenther <rguenther@suse.de>
12185 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12186 deal with structures that end in implicitly variable sized arrays.
12188 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12190 PR rtl-optimization/24762
12191 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12194 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12196 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12197 (struct ivopts_data): Add regs_used field.
12198 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12199 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12200 instead of loop_data->regs_used;
12201 (free_loop_data): Do not free aux fields for loops.
12202 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12203 and tree_ssa_iv_optimize_finalize.
12205 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12207 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12209 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12212 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12213 computing the effective result type.
12215 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12217 PR inline-asm/16194
12218 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12219 (tree_overlaps_hard_reg_set): Declare.
12220 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12221 type and signature to match function type expected by walk_tree.
12222 (tree_overlaps_hard_reg_set): New function.
12223 (decl_conflicts_with_clobbers_p): Rename to:
12224 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12225 Use tree_overlaps_hard_reg_set. Changed caller.
12226 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12227 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12228 * cris.c (cris_md_asm_clobbers): Likewise.
12230 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12232 * reload1.c (emit_input_reload_insns): Delete code that tries to
12233 inherit using find_equiv_reg.
12235 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12237 * c-common.h (flag_const_strings): Don't declare.
12238 * c-common.c (flag_const_strings): Remove.
12239 * c.opt (fconst_strings): Remove.
12240 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12241 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12242 (c_common_init_options): Don't set flag_const_strings.
12243 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12245 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12247 * arm.md (tlobits_cbranch): New pattern.
12248 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12249 testing a single bit.
12251 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12254 * tree-ssa-pre.c (create_component_ref_by_pieces):
12255 Handle RETURN_DECL like VAR_DECL.
12257 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12259 PR middle-end/26134
12260 * fold-const.c (fold_indirect_ref_1): Fold
12261 "*(foo *)&complexfoo" to "__real__ complexfoo"
12262 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12264 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12266 * tree-flow-inline.h (var_can_have_subvars):
12267 Volatile variables should not have subvariables.
12269 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12272 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12273 multiplying unsigned values.
12276 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12278 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12280 2006-02-08 Jason Merrill <jason@redhat.com>
12283 * tree.def: Elaborate on difference from MODIFY_EXPR.
12284 * doc/c-tree.texi (INIT_EXPR): Likewise.
12285 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12286 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12287 (gimplify_target_expr): Likewise.
12288 (gimplify_cond_expr): Remove target handling.
12289 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12290 (gimplify_expr): Clobber it here.
12291 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12292 Do return slot optimization if we have an INIT_EXPR.
12295 * tree-inline.c (declare_return_variable): Also clear
12296 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12299 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12301 PR middle-end/22439
12302 * gimplify.c (gimplify_one_sizepos): Fix typo.
12304 2006-02-08 Jeff Law <law@redhat.com>
12306 PR tree-optimization/21417
12307 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12308 across a backedge if the control statement at the end of the
12309 block is data dependent on other statements in the same block.
12310 (record_temporary_equivalences_from_stmts): Remove over-conservative
12311 test for threading across backedges.
12313 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12314 control statement, handle all three special cases in the same
12315 manner as they all have the same desired solution. No longer
12316 special case edge flag updating when the post dominator is
12319 2006-02-08 Roger Sayle <roger@eyesopen.com>
12321 * tree.def (CHAR_TYPE): Remove.
12322 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12323 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12324 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12325 (gen_string_type_die): Delete unreachable function.
12327 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12328 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12329 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12330 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12331 * builtins.c (type_to_class): Likewise.
12332 * fold-const.c (fold_convert, build_range_check,
12333 merge_ranges): Likewise.
12334 * expr.c (count_type_elements): Likewise.
12335 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12336 * stor-layout.c (layout_type): Likewise.
12337 * ipa-type-escape.c (type_to_consider): Likewise.
12338 * gimplify.c (omp_firstprivatize_type_sizes,
12339 gimplify_type_sizes): Likewise.
12340 * explow.c (promote_mode): Likewise.
12341 * tree-sra.c (is_sra_scalar_type): Likewise.
12342 * varasm.c (output_constant): Likewise.
12343 * tree-inline.c (remap_type_1): Likewise.
12344 * convert.c (convert_to_pointer, convert_to_real,
12345 convert_to_integer, convert_to_complex): Likewise.
12347 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12349 * df-scan.c (df_def_record_1): A set destination may
12350 be a parallel regardless of mode.
12352 2006-02-08 Roger Sayle <roger@eyesopen.com>
12355 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12356 * config/mips/_tilib.c: Remove.
12357 * config/fixtfdi.c: New libgcc source file.
12358 * config/fixunstfdi.c: New source file.
12359 * config/floatditf.c: New source file.
12360 * config/floatunditf.c: New souce file.
12361 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12362 files above instead of config/mips/_tilib.c.
12363 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12365 2006-02-08 Jeff Law <law@redhat.com>
12367 PR tree-optimization/26169
12368 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12371 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12373 * df.h (DF_REG_SIZE): Return the length of the initialized
12376 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12378 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12379 __muldf3): Return a correctly signed zero.
12381 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12383 * passes.c (register_one_dump_file): Accept the current properties
12384 instead of pass number. Adjust call to dump_register. Remove
12386 (register_dump_files): Now a wrapper around...
12387 (register_dump_files_1): ... this one. Do not modify the pass
12389 (next_pass_1): Cosmetic fix.
12390 (execute_todo): Keep second parameter only. Use curr_properties
12391 instead of fetching it from the pass structure. Check and set
12393 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12394 instead of fetching it from the pass structure. Fix calls to
12395 execute_todo. Update curr_properties and initialize .vcg RTL dump
12396 after running the pass. Reset last_verified.
12397 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12399 (FIRST_AUTO_NUMBERED_DUMP): New.
12400 (dump_register): Remove "num" parameter, assign it within the
12402 (get_dump_file_name): Modify template for dumps.
12403 * tree-dump.h (dump_register): Adjust prototype.
12404 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12405 (PROP_trees): Add PROP_gimple_lomp.
12406 (TODO_set_props): New.
12407 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12408 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12409 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12411 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12413 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12414 (sparc64-*-linux*): Likewise.
12415 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12416 * config/sparc/t-linux: New file.
12417 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12418 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12419 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12420 -m32 -mlong-double-128.
12422 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12423 * config/alpha/t-linux: New file.
12424 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12426 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12427 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12428 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12429 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12430 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12431 (CPP_ARCH32_SPEC): Remove.
12433 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12435 PR tree-optimization/26145
12436 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12439 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12442 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12443 >= 240000 when generating code for SOM runtime.
12444 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12445 to $$dyncall when generating code for SOM runtime..
12447 2006-02-07 Dirk Mueller <dmueller@suse.com>
12450 * doc/invoke.texi (-Wsequence-point): Update documentation
12451 that -Wsequence-point is implemented for C++ as well.
12453 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12455 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12456 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12457 (LIB_SPEC): Likewise.
12458 * doc/invoke.texi (SPARC options): Document -pthread.
12460 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12462 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12465 2006-02-07 Roger Sayle <roger@eyesopen.com>
12467 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12468 Correct comment describing BOOLEAN_TYPE.
12470 2006-02-07 Dirk Mueller <dmueller@suse.com>
12472 * c.opt: C++ frontend supports -Wdiv-by-zero.
12473 * c-opts.c (c_common_handle_option): Remove dead case.
12475 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12477 * configure.ac (TLS assembler check): Do not enable TLS by
12478 default on SPARC/Solaris before version 10.
12479 * configure: Regenerate.
12481 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12483 * doc/invoke.texi (xl-compat): Document conversion and support
12486 2006-02-07 Jeff Law <law@redhat.com>
12488 * tree-vrp.c (find_conditional_asserts): Update comments.
12489 (simplify_stmt_for_jump_threading): New.
12490 (identify_jump_threads, finalize_jump_threads): New.
12491 (vrp_finalize): Call identify_jump_threads.
12492 (execute_vrp): Call finalize_jump_threads.
12493 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12494 (vrp_element, vrp_data, vrp_element_p): Remove.
12495 (vrp_hash_elt, vrp_variables_stack): Remove.
12496 (vrp_hash, vrp_eq, record_range): Remove.
12497 (simplify_cond_and_lookup_avail_expr): Remove.
12498 (extract_range_from_cond): Remove.
12499 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12500 (simplify_stmt_for_jump_threading): New.
12501 (dom_thread_across_edge): New wrapper.
12502 (tree_ssa_dominator_optimize): No longer initialize or
12503 finalize any of the VRP datastructures. Remove iteration
12504 step and simplify as a result of removal of iteration step.
12505 (pass_dominator): Perform a cfg cleanup after DOM.
12506 (dom_opt_finalize_block): Use the new common routines
12507 for threading jumps. Simplify stack management slightly.
12508 No longer need to unwind VRP state.
12509 (record_equivalences_from_incoming_edge): No longer record
12511 (eliminate_redundant_computations): No longer call
12512 simplify_cond_and_lookup_avail_expr.
12513 * tree-flow.h (potentially_threadable_block): Prototype.
12514 (thread_across_edge): Likewise.
12515 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12516 (tree-ssa-threadedge.o): Add dependencies.
12517 * tree-ssa-threadedge.c: New file.
12518 * passes.c (init_optimization_passes): Merge PHIs before
12519 calling VRP. Run VRP again late in the SSA optimization pipeline.
12521 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12523 * df-core.c (df_set_blocks): Do not dereference function pointers.
12524 (df_finish1): Likewise.
12525 (df_hybrid_search_forward): Likewise.
12526 (df_hybrid_search_backward): Likewise.
12527 (df_iterative_dataflow): Likewise.
12528 (df_analyze_problem): Likewise.
12529 (df_compact_blocks): Likewise.
12530 (df_dump): Likewise.
12531 * df-scan.c (df_rescan_blocks): Likewise.
12532 (df_record_entry_block_defs): Likewise.
12534 * genconditions.c (write_conditions): Guard the definition of
12535 'insn_conditions' with the check on GCC version.
12536 (write_writer): Guard the traversal 'insn_conditions' with
12537 the check on GCC version.
12539 2006-02-07 Richard Guenther <rguenther@suse.de>
12543 2006-01-30 Richard Guenther <rguenther@suse.de>
12545 * gimplify.c (gimplify_target_expr): Handle easy cases
12546 without creating a temporary.
12548 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12550 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12551 use of float in probability computations. Use edge probabilities
12552 in place of statically computed probabilities.
12553 (min_spec_prob): New static variable.
12554 (schedule_insns): Initialize it.
12555 (GET_SRC_PROB): Removed.
12556 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12558 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12561 * config/ia64/unwind-ia64.c: Revert last change.
12562 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12563 (INCOMING_FRAME_SP_OFFSET): Define.
12565 2006-02-06 Roger Sayle <roger@eyesopen.com>
12567 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12569 2006-02-07 Ben Elliston <bje@au.ibm.com>
12571 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12572 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12573 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12574 (ix86_return_in_memory): Handle TDmode.
12575 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12576 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12578 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12580 * reorg.c (dbr_schedule): Use dump_file instead of file.
12582 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12585 * config/ia64/predicates.md (extr_len_operand): New predicate.
12586 * config/ia64/ia64.md (extv): Tighten constraints.
12588 (*tbit_and_2): Ditto.
12589 (*tbit_and_3): Ditto.
12590 (*tbit_or_2): Ditto.
12591 (*tbit_or_3): Ditto.
12592 (*bit_zero): Ditto.
12595 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12598 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12600 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12602 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12603 loop_optimizer_init and loop_optimizer_finalize
12604 * tree-ssa-sink.c (execute_sink_code): Ditto.
12605 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12606 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12607 tree_ssa_loop_done): Ditto.
12608 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12609 * sched-ebb.c: Include output.h.
12610 (schedule_ebbs): Do not use dump argument.
12611 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12612 * loop.c (loop_dump_stream): Removed.
12613 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12615 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12616 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12617 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12618 loop_iterations, strength_reduce, record_biv, record_giv,
12619 final_giv_value, check_final_value, check_ext_dependent_givs,
12620 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12621 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12622 dump_file instead of loop_dump_stream.
12623 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12624 argument dump_file.
12625 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12627 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12628 * haifa-sched.c: Include output.h
12629 (schedule_insns, sched_init): Do not use dump argument.
12630 * mode-switching.c (optimize_mode_switching): Ditto.
12631 * modulo-sched.c (stats_file): Removed.
12632 (print_node_sched_params): Do not call argument dump_file.
12633 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12634 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12636 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12638 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12639 rtl_loop_init, rtl_loop_done): Ditto.
12640 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12641 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12643 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12644 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12645 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12646 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12647 * emit-rtl.c (renumber_insns): Ditto.
12648 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12649 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12650 * regclass.c (regclass): Ditto.
12651 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12652 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12653 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12654 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12656 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12657 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12659 * gcse.c (gcse_file, debug_stderr): Removed.
12660 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12661 rest_of_handle_gcse): Do not use dump argument.
12662 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12663 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12664 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12665 compute_code_hoist_vbeinout, compute_code_hoist_data,
12666 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12667 compute_store_table, build_store_vectors, insert_insn_start_bb,
12668 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12669 store_motion): Use dump_file instead of gcse_file.
12670 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12671 * profile.c (profile_dump_file): Removed.
12672 (branch_prob): Use dump_file instead of profile_dump_file.
12673 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12675 * tree-ssa-copy.c (dump_copy_of): Ditto.
12676 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12677 dump file to life_analysis.
12678 * bt-load.c (branch_target_load_optimize): Ditto.
12679 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12681 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12682 regclass, dbr_schedule): Declaration changed.
12683 * sched-int.h (sched_init): Declaration changed.
12684 * tree-profile.c (tree_profile_dump_file): Removed.
12685 (tree_profile_hooks): Removed profile_dump_file hook.
12686 * rtl-profile (rtl_profile_dump_file): Removed.
12687 (rtl_profile_hooks): emoved profile_dump_file hook.
12688 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12690 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12691 * tree-cfg.c (build_tree_cfg): Ditto.
12692 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12693 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12694 Declaration changed.
12695 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12696 life_analysis and schedule_insns.
12697 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12699 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12701 * config/mips/mips.c (mips_reorg): Ditto.
12702 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12705 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12707 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12708 (s390_mangle_fundamental_type): New.
12709 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12712 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12713 (alpha_mangle_fundamental_type): New.
12714 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12717 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12719 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12721 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12722 (sparc_mangle_fundamental_type): New.
12724 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12726 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12727 (s390x-*-linux*): Likewise.
12728 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12729 * config/s390/t-linux: New file.
12731 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12733 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12734 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12736 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12738 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12739 (ANTIC_SAFE_LOADS): New macro.
12740 (find_or_generate_expression): Add prototype.
12741 (set_contains_value): Allow null set for sake of not always having
12742 to allocate ANTIC_SAFE_LOADS.
12743 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12744 Allow COMPONENT_REF too.
12745 (valid_in_set): Allow COMPONENT_REF.
12746 Check ANTIC_SAFE_LOADS too.
12747 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12748 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12750 (can_PRE_operation): Add COMPONENT_REF.
12751 (create_component_ref_by_pieces): New function.
12752 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12753 (insert_aux): Move AGGREGATE_TYPE_P check here.
12754 (compute_avail): Set bb local stmt uids.
12755 (pass_pre): Use TODO_update_ssa_only_virtuals.
12757 2006-02-06 Ben Elliston <bje@au.ibm.com>
12759 * configure.ac: Unconditionally disable decimal float by default.
12760 * configure: Regenerate.
12762 2006-02-06 Ben Elliston <bje@au.ibm.com>
12764 * read-rtl.c (read_name): Terminate reading on EOF.
12766 2006-02-06 Ben Elliston <bje@au.ibm.com>
12768 * dfp.c (decimal_real_arithmetic): Change second argument type
12769 from int to enum tree_code. Do not always return true, but now
12770 return result of any call to decimal_do helper functions.
12771 * dfp.h (decimal_real_arithmetic): Update prototype.
12773 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12775 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12777 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12780 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12783 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12785 * tree-vrp.c (cfg_loops): Removed.
12786 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12787 Use current_loops instead of cfg_loops. Pass flags to
12788 loop_optimizer_init.
12789 * cfgloopmanip.c (fix_loop_structure): Update only available
12791 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12792 loop_optimizer_init.
12793 * modulo-sched.c (build_loops_structure): Removed.
12794 (sms_schedule): Use loop_optimizer_init.
12795 * loop-init.c (loop_optimizer_init): Use flags to determine
12796 which properties of loops to prepare.
12797 (rtl_loop_init): Pass flags to loop_optimizer_init.
12798 * tree-ssa-sink.c (execute_sink_code): Ditto.
12799 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12800 * tree-ssa-pre.c (init_pre): Ditto.
12801 * cfgloop.h (LOOPS_NORMAL): New.
12802 (loop_optimizer_init): Declaration changed.
12804 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12806 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12807 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12809 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12811 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12813 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12814 * pa/t-pa64: Delete quadlib.c rule.
12815 * pa/x-ada: Revert last change.
12816 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12818 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12820 PR rtl-optimization/26087
12821 * rtlanal.c (canonicalize_condition): Do not cross basic block
12824 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12827 * config/ia64/ia64.c: Include debug.h.
12828 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12829 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12830 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12831 (process_epilogue, process_set, process_for_unwind_directive):
12832 Output unwind info only if requested. Add CFA info if requested.
12833 Add new arguments as needed. Adjust callers.
12834 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12836 (DWARF2_FRAME_INFO): Define to zero.
12837 * config/ia64/unwind-ia64.c: Remove code that compensated for
12838 the CFA offset error fixed above.
12839 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12840 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12841 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12842 -funwind-tables and -fexceptions to enable frame info.
12843 (dwarf2out_frame_init): Define initial CFA even if
12844 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12845 DWARF2_UNWIND_INFO is nonzero, not just defined.
12846 (dwarf2out_frame_finish): Output non-EH call frame info only
12847 if DWARF2_FRAME_INFO is nonzero.
12848 (convert_cfa_to_loc_list,
12849 compute_frame_pointer_to_cfa_displacement): Define even if
12850 unwind info is not supported.
12851 (gen_subprogram_die): Use the above unconditionally. Remove
12852 legacy alternate code.
12853 * toplev.c (compile_file): Compile in call to
12854 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12855 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12857 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12858 Jakub Jelinek <jakub@redhat.com>
12860 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12861 IBM extended float format long double as "g" on powerpc*-linux.
12863 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12866 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12867 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12869 2006-02-03 Jason Merrill <jason@redhat.com>
12872 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12874 PR middle-end/25977
12875 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12876 on the return slot if it's an NRV.
12878 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12880 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12881 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12882 rewrite_use): Do not handle USE_OUTER.
12883 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12884 add_iv_outer_candidates, may_replace_final_value,
12885 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12886 (find_interesting_uses_op): Functionality of
12887 find_interesting_uses_outer_or_nonlin moved here.
12888 (find_interesting_uses_outside): Use find_interesting_uses_op.
12890 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12893 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12895 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12896 Ulrich Weigand <uweigand@de.ibm.com>
12899 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12900 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12901 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12902 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12904 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12905 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12906 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12907 Define secondary reloads for TFmode moves.
12908 (constant_modes): Add TFmode.
12909 (NR_C_MODES): Set to 8.
12910 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12912 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12913 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12914 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12915 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12916 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12917 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12918 (FPR mode macro): Add TFmode.
12919 (DSF mode macro): New.
12920 (<de>, <dee> mode attributes): Removed.
12921 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12922 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12923 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12924 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12925 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12926 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12927 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12928 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12929 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12930 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12931 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12932 "*negabs<mode>2", "sqrt<mode>2"):
12933 Changed <de> to <xde>. R constraint replaced by <Rf>.
12934 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12936 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12937 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12938 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12940 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12941 "extenddftf2", "extendsftf2"): New expanders.
12942 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12943 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12944 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12945 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12947 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12948 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12949 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12950 __floatditf): Add a GCC_4.1.0 symbol version tag.
12951 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12954 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12957 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12958 Use targetm.binds_local_p instead of TREE_PUBLIC.
12960 2006-02-02 Roger Sayle <roger@eyesopen.com>
12962 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12963 on INTEGER_TYPEs to indicate that it denotes a character type.
12964 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12965 signed_char_type_node, unsigned_char_type_node and char_type_node.
12966 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12967 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12968 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12970 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12971 Daniel Berlin <dberlin@dberlin.org>
12973 * tree-tailcall.c (arg_needs_copy_p): New function.
12974 (eliminate_tail_call): Use arg_needs_copy_p.
12975 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12976 (add_virtual_phis): New function.
12978 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12980 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12981 #ignore instead of #scratch for %g7 .register directive.
12983 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12985 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12988 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12990 * flow.c (calculate_global_regs_live): Assert that there aren't any
12993 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12995 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12996 what its name says.
12997 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12998 bsi_after_labels iterator.
12999 * tree-if-conv.c (find_phi_replacement_condition,
13000 replace_phi_with_cond_modify_expr): Likewise.
13001 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13002 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13004 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13006 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13008 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13011 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13012 array after growing it.
13014 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13016 PR middle-end/24901
13017 * fold-const.c (fold_checksum_tree): Change type of buf.
13019 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13021 * reload.c (push_secondary_reload): Initialize t_icode.
13023 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13025 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13026 -msoft-float -mlong-double-128 only issue a warning, but don't
13027 swich to DFmode long double.
13029 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13031 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13032 has a constant equivalent, iterate over equivalents for arg0,
13033 calling simplify_relational_operation and if there's a result
13034 cheaper than X, apply fold_rtx and return the result.
13036 2006-02-01 Jan Hubicka <jh@suse.cz>
13038 * opts.c (no_unit_at_a_time_default): New global variable.
13039 (decode_options): Use it.
13040 * opts.h (no_unit_at_a_time_default): Declare.
13042 2006-02-01 Paul Brook <paul@codesourcery.com>
13044 * function.c (assign_parm_setup_reg): Use function argument promotion
13046 * expr.c (expand_expr_real_1): Use function argument promotion rules
13049 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13051 * gcc.c (process_command): Change j to 'unsigned int'.
13053 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13055 PR middle-end/26001
13056 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13057 Use the corrected index for the character
13058 out of the string constant.
13060 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13062 * mode-switching.c (optimize_mode_switching): Fix size
13063 allocated for bb_info[n_entities].
13065 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13067 * gcc.c (main): Correct type that is allocated for
13068 explicit_link_files.
13070 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13072 * config/s390/s390.c (init_alignment_context): Set
13073 ALIAS_SET_MEMORY_BARRIER on the MEM.
13074 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13076 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13078 PR middle-end/25933
13079 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13081 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13084 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13086 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13087 * regrename.c: Ditto.
13088 * tree-ssa-loop-im.c: Ditto.
13089 * tree-dump.c: Ditto.
13090 * tree-complex.c: Ditto.
13091 * genrecog.c: Ditto.
13092 * tree-ssa-threadupdate.c: Ditto.
13094 * java/class.c: Ditto.
13095 * java/jcf-parse.c: Ditto.
13096 * java/resource.c: Ditto.
13097 * java/except.c: Ditto.
13098 * java/jvspec.c: Ditto.
13099 * java/jcf-write.c: Ditto.
13100 * java/jcf-path.c: Ditto.
13101 * java/gjavah.c: Ditto.
13102 * java/zextract.c: Ditto.
13103 * java/jcf-io.c: Ditto.
13104 * java/jcf.h: Ditto.
13105 * java/buffer.c: Ditto.
13106 * java/lang.c: Ditto.
13107 * java/parse-scan.y: Ditto.
13108 * java/lex.c: Ditto.
13109 * java/lex.h: Ditto.
13110 * cfgloopmanip.c: Ditto.
13111 * postreload-gcse.c: Ditto.
13112 * tree-ssa-loop-manip.c: Ditto.
13113 * postreload.c: Ditto.
13114 * tree-ssa-loop-ch.c: Ditto.
13117 * cppspec.c: Ditto.
13118 * diagnostic.c: Ditto.
13120 * genoutput.c: Ditto.
13122 * cfghooks.c: Ditto.
13123 * cfgloopanal.c: Ditto.
13124 * objc/objc-act.c: Ditto.
13126 * genextract.c: Ditto.
13127 * genautomata.c: Ditto.
13128 * pretty-print.c: Ditto.
13129 * genemit.c: Ditto.
13130 * cgraphunit.c: Ditto.
13132 * df-scan.c: Ditto.
13133 * haifa-sched.c: Ditto.
13134 * dominance.c: Ditto.
13136 * tree-ssa-loop-ivopts.c: Ditto.
13137 * df-core.c: Ditto.
13138 * mode-switching.c: Ditto.
13139 * modulo-sched.c: Ditto.
13141 * ipa-pure-const.c: Ditto.
13143 * fix-header.c: Ditto.
13145 * tree-stdarg.c: Ditto.
13146 * ipa-utils.c: Ditto.
13147 * loop-init.c: Ditto.
13148 * ipa-inline.c: Ditto.
13149 * cfganal.c: Ditto.
13151 * alloc-pool.c: Ditto.
13152 * dwarf2out.c: Ditto.
13154 * genattrtab.c: Ditto.
13155 * tree-ssa-loop-ivcanon.c: Ditto.
13156 * predict.c: Ditto.
13157 * timevar.c: Ditto.
13159 * fortran/gfortranspec.c: Ditto.
13160 * regmove.c: Ditto.
13161 * local-alloc.c: Ditto.
13162 * langhooks.c: Ditto.
13163 * function.c: Ditto.
13164 * tree-vectorizer.c: Ditto.
13166 * ipa-type-escape.c: Ditto.
13168 * tree-if-conv.c: Ditto.
13169 * profile.c: Ditto.
13171 * tree-data-ref.c: Ditto.
13172 * loop-unroll.c: Ditto.
13173 * treelang/treetree.c: Ditto.
13175 * bt-load.c: Ditto.
13176 * ggc-common.c: Ditto.
13178 * coverage.c: Ditto.
13180 * tree-cfgcleanup.c: Ditto.
13181 * tree-ssa-pre.c: Ditto.
13182 * cfgcleanup.c: Ditto.
13183 * loop-invariant.c: Ditto.
13184 * loop-iv.c: Ditto.
13185 * ipa-prop.c: Ditto.
13186 * print-tree.c: Ditto.
13187 * conflict.c: Ditto.
13188 * ggc-page.c: Ditto.
13189 * sched-deps.c: Ditto.
13190 * regclass.c: Ditto.
13191 * tree-object-size.c: Ditto.
13192 * combine.c: Ditto.
13193 * bb-reorder.c: Ditto.
13194 * resource.c: Ditto.
13195 * var-tracking.c: Ditto.
13196 * cfgloop.c: Ditto.
13197 * df-problems.c: Ditto.
13198 * reg-stack.c: Ditto.
13200 * gccspec.c: Ditto.
13201 * sched-rgn.c: Ditto.
13202 * tree-ssa-structalias.c: Ditto.
13203 * tree-ssa-reassoc.c: Ditto.
13204 * config/darwin-c.c: Ditto.
13205 * config/darwin.c: Ditto.
13206 * config/arm/arm.c: Ditto.
13208 * collect2.c: Ditto.
13209 * reload1.c: Ditto.
13211 2006-01-31 Nicolas Pitre <nico@cam.org>
13213 * arm.md (smaxsi3): Make aware of smax_m1.
13216 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13218 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13220 2006-01-31 Richard Guenther <rguenther@suse.de>
13222 * doc/invoke.texi (-msselibm): Document.
13223 * target.h (expand_library_builtin): New target hook.
13224 * builtins.c (expand_builtin): Use expand_library_builtin.
13225 (default_expand_library_builtin): New function.
13226 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13227 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13228 (link_gcc_math_spec): Declare.
13229 (static_specs): Add link_gcc_math_spec.
13230 * expr.h (default_expand_library_builtin): Declare.
13231 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13232 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13233 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13234 * config/i386/i386.opt (msselibm): New target option.
13235 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13236 (ix86_init_sse_abi_builtins): New function.
13237 (ix86_expand_library_builtin): Likewise.
13238 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13239 (override_options): Handle error conditions wrt -msselibm.
13240 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13241 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13242 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13245 2006-01-31 Richard Guenther <rguenther@suse.de>
13246 Paolo Bonzini <bonzini@gnu.org>
13248 * doc/install.texi (--disable-libgcc-math): Document.
13250 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13252 * expr.h (expand_normal): new inline function.
13253 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13254 * dojump.c: use it.
13255 * dwarf2out.c: use it.
13258 * expmed.c: use it.
13259 * except.c: use it.
13260 * config/sparc/sparc.c: use it.
13261 * config/i386/i386.c: use it.
13262 * config/rs6000/rs6000.c: use it.
13263 * config/arm/arm.c: use it.
13264 * config/mips/mips.c: use it.
13265 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13267 2006-01-30 Roger Sayle <roger@eyesopen.com>
13269 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13270 argv to the appropriate type.
13272 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13274 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13277 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13280 * config/s390/s390.c (struct machine_function): New flag
13281 decomposed_literal_pool_addresses_ok_p.
13282 (s390_reorg): Set it before final stage of literal pool transforms.
13283 (s390_decompose_address): Only accept displacements of the form
13284 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13286 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13288 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13289 the comparison routine return.
13291 2006-01-30 Michael Matz <matz@suse.de>
13293 * global.c (find_reg): Only evict for global regs.
13294 Take n_refs into account and dump more info.
13296 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13299 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13300 (pragma_trap, pragma_nosave_low_regs): Likewise.
13301 (current_function_anonymous_args): Likewise.
13302 (sh_deferred_function_attributes): New variable.
13303 (sh_deferred_function_attributes_tail): Likewise.
13304 (print_operand): For '@', look up trap_exit attribute.
13305 (calc_live_regs): Look up trapa_handler attribute. For trapa
13306 handlers, save/restore fpscr, but don't do any other
13307 interrupt-specific saves.
13308 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13309 Fix check for partially saved registers to check for SHmedia.
13310 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13311 (sh_output_function_epilogue): Don't clear any of the removed
13313 (sh_insert_attributes): Don't check pragma_interrupt.
13314 Insert deferred attributes. Check that interrupt attribute is
13315 present for other attributes that require its presence.
13316 (sh_attribute_table): Add new attributes trapa_handler and
13318 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13319 Don't check for pragma_interrupt. Don't store argument.
13320 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13321 (sh_deferred_function_attributes): Declare.
13322 (sh_deferred_function_attributes_tail): Likewise.
13323 * sh.md (sp_switch_1): Add operand. Change generator caller.
13324 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13325 (*return_i): Don't use when trap_exit attribute is in effect.
13326 (*return_trapa): New insn pattern.
13327 * sh-c.c: New file.
13328 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13329 setting c_target_objs and cxx_target_objs.
13330 * t-sh: Add rule for sh-c.o.
13332 2006-01-30 Richard Guenther <rguenther@suse.de>
13335 * gimplify.c (gimplify_target_expr): Handle easy cases
13336 without creating a temporary.
13338 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13340 * vec.h (safe_grow): Remove duplicated line.
13342 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13345 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13346 (expand_omp): ... here.
13347 (expand_omp_parallel): Only remove barriers for combined
13348 parallel+workshare constructs.
13350 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13354 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13355 * tree.c (build_qualified_type): Chain the new type to the original
13356 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13357 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13358 (build_pointer_type_for_mode): Only return unqualified types.
13359 (build_reference_type_for_mode): Likewise.
13361 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13363 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13364 * Makefile.in (CXX_COMPAT_WARN): Define.
13365 * configure: Regenerate.
13367 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13370 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13373 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13375 * toplev.c: Fix thinko.
13377 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13378 Marcin Dalecki <martin@dalecki.de>
13380 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13381 (push_srcloc): Use XNEW.
13382 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13384 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13386 * df-core.c (df_set_blocks): Deleted all variable.
13388 2006-01-28 Ian Lance Taylor <ian@airs.com>
13390 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13391 cgraph_output_pending_asms.
13393 2006-01-28 Zack Weinberg <zackw@panix.com>
13395 * c.opt: Add -W(no-)overlength-strings.
13396 * doc/invoke.texi: Document it.
13397 * c-opts.c (c_common_handle_option): -pedantic implies
13398 -Woverlength-strings, if not explicitly disabled already.
13399 (c_common_post_options): -Woverlength-strings defaults to off, and
13400 is always off for C++.
13401 * c-common.c (fix_string_type): Issue warning about strings longer
13402 than is portable only if warn_overlength_strings. Rearrange code
13403 a little for clarity.
13404 * configure.in: Check for -Wno-overlength-strings as well before
13405 enabling -pedantic in stage 1.
13406 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13407 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13409 * genconditions.c (write_header, write_one_condition)
13410 (write_conditions, write_writer): Consolidate very long strings
13411 that were broken up to fit in C89 portable limit. Don't use
13412 printf when fputs will do.
13414 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13416 * combine.c (simplify_comparison <AND>): Check
13417 TRULY_NOOP_TRUNCATION before start using a subreg.
13419 * config/mips/mips.md (*branch_zero<mode>,
13420 *branch_zero<mode>_inverted, *branch_equality<mode>,
13421 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13422 Remove mode check from comparisons.
13424 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13426 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13428 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13430 * expmed.c (const_mult_add_overflow_p): Remove.
13431 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13433 * recog.c (validate_replace_rtx_subexp): Remove.
13434 * recog.h: Remove the prototype for
13435 validate_replace_rtx_subexp.
13437 * integrate.h: Remove the prototype for
13438 copy_decl_for_inlining.
13439 * rtl.h: Remove the prototype for mark_constant_function.
13440 * tree-vectorizer.h: Remove the prototype for
13441 vect_strip_conversion.
13443 * modulo-sched.c (create_partial_schedule,
13444 free_partial_schedule, reset_partial_schedule): Make them
13447 * hooks.c (hook_bool_rtx_int_false): Remove.
13448 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13450 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13452 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13453 and -mlong-double-128 are incompatible.
13454 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13455 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13456 (TARGET_LIBGCC2_CFLAGS): Define.
13457 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13458 (TARGET_LIBGCC2_CFLAGS): Same.
13459 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13461 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13464 * c-typeck.c (build_binary_op): Perform implicit casts of
13465 operands before shortening them.
13467 * cfgloopmanip.c (split_loop_bb): Remove.
13468 * cfgloop.h: Remove the prototype for split_loop_bb.
13470 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13471 * cfgloop.h: Remove the prototype for
13472 flow_loop_outside_edge_p.
13474 * emit-rtl.c (init_virtual_regs): Make it static.
13475 * function.h: Remove the prototype for init_virtual_regs.
13477 * recog.c (peephole2_optimize): Make it static.
13478 * recog.h: Remove the prototype for peephole2_optimize.
13480 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13482 * df-scan.c (df_record_entry_block_defs): Check if
13483 INCOMING_RETURN_ADDR_RTX is defined.
13485 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13486 Kenneth Zadeck <zadeck@naturalbridge.com>
13488 PR rtl-optimization/24762
13489 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13490 * targhooks.c (hook_void_bitmap): New hook prototype.
13491 * targhoohs.h (hook_void_bitmap): Ditto.
13492 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13493 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13494 * target.h (live_on_entry): New function pointer.
13495 * df-scan.c (df_all_hard_regs): Removed.
13496 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13497 (df_scan_free_internal): Added df->entry_block_defs.
13498 (df_scan_alloc): Ditto.
13499 (df_scan_dump): Ditto.
13500 (df_uses_record): Plumbed flag field properly thru calls.
13501 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13502 This part fixes PR24762.
13503 (df_bb_refs_record): Added code to make the frame and arg
13504 pointers live in EH blocks.
13505 (df_refs_record): Added call to df_record_entry_block_defs.
13506 (df_record_entry_block_defs): New function.
13507 * df-core.c: Added comments to describe new artifical defs.
13508 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13509 (entry_block_defs): New field in struct df.
13510 (df_all_hard_regs): Deleted.
13511 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13512 * df-problems.c (df_ru_bb_local_compute_process_def):
13513 Added code to handle artifical defs in the entry to a function.
13514 (df_ru_bb_local_compute): Ditto.
13515 (df_rd_bb_local_compute_process_def): Ditto.
13516 (df_rd_bb_local_compute): Ditto.
13517 (df_lr_bb_local_compute): Ditto.
13518 (df_ur_bb_local_compute): Ditto.
13519 (df_urec_bb_local_compute): Ditto.
13520 (df_chain_create_bb): Ditto.
13521 (df_ur_local_finalize): Removed entry.
13522 (df_urec_init): Ditto.
13523 (df_urec_local_finalize): Ditto.
13524 (df_ri_bb_compute): Added detection of last use of pseudos.
13525 * Makefile.in (df-scan.o): Updated dependencies.
13526 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13527 * config/mips/mips.c (mips_set_live_on_entry): Added.
13528 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13530 * dce.c (marked_insn_p): Added code to handle artifical defs.
13532 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13534 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13536 (_mm_cvtsi128_si64): Likewise.
13537 (_mm_cvtsd_si64): Likewise.
13538 (_mm_cvttsd_si64): Likewise.
13539 (_mm_cvtsi64_sd): Likewise.
13540 (_mm_cvtsi64_si128): Likewise.
13541 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13542 (_mm_cvtsi64_m64): Likewise.
13543 (_m_to_int64): Likewise.
13544 (_mm_cvtm64_si64): Likewise.
13545 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13546 (_mm_cvttss_si64): Likewise.
13547 (_mm_cvtsi64_ss): Likewise.
13548 (_mm_cvtss_f32): Likewise.
13550 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13552 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13553 for pragma redefine_extname.
13555 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13558 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13559 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13560 -mno-minimal-toc to previous content.
13561 (bispecs): Remove goal.
13562 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13563 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13564 compatibility aliases on powerpc-*-*gnu*.
13565 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13566 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13567 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13568 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13569 (ldblspecs): New goal.
13570 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13571 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13573 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13574 L_sf_to_tf or L_df_to_tf is defined.
13576 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13577 Alan Modra <amodra@bigpond.net.au>
13580 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13581 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13582 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13583 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13584 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13585 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13586 (rs6000_override_options): Initialize rs6000_ieeequad.
13587 Initialize TFmode format to ibm_extended_format if not
13589 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13591 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13592 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13593 (function_arg_advance): IBM long double passed in two FPRs, not
13595 (function_arg): IBM long double passed in FPRs.
13596 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13597 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13598 Only multireg GPR aligned.
13599 (rs6000_init_libfuncs): Enable IBM long double functions if not
13601 (rs6000_generate_compare): Use IBM long double compare if not
13603 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13604 (TARGET_IEEEQUAD): Define.
13605 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13606 not TARGET_IEEEQUAD.
13607 * config/rs6000/rs6000.md: Enable TFmode patterns if
13609 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13610 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13611 and -mlong-double-128 are incompatible.
13612 * doc/invoke.texi (-mabi): Collect options together. Add
13613 ibmlongdouble and ieeelongdouble.
13615 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13617 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13619 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13620 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13621 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13622 * rtl.h (rtunion_def): Remove rt_ptr.
13624 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13625 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13626 * config/i386/winnt.c (i386_pe_mark_dllexport)
13627 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13629 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13631 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13633 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13637 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13638 pthread_key_delete. From John David Anglin. gthrw-ify
13639 pthread_getunique_np only if it it's not a macro. Delete
13641 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13642 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13643 __gthread_objc_condition_signal, __gthread_key_delete): Add
13644 "__attribute__ ((__unused__))" to unused arguments.
13645 (__gthread_recursive_mutex_init_function): Add missing return.
13646 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13647 gthr-posix95.h: Use macro-based approach for name redirection
13648 on targets missing weakref.
13650 2006-01-26 Zack Weinberg <zackw@panix.com>
13652 * genconditions.c (write_header): In generated code, #ifdef out
13653 all includes and fake declarations, except includes of bconfig.h
13654 and system.h, unless GCC_VERSION >= 3001. Do not include
13655 gensupport.h in any case.
13656 (write_conditions): Generate a definition of struct c_test. Add
13657 a comment to the generated #endif.
13658 (write_one_condition): Escape backslashes in string too.
13659 (write_writer): Generated code must escape backslashes and quote
13660 marks (but not newlines) in the strings it writes.
13661 * Makefile.in (build/gencondmd.o): Update dependencies.
13663 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13666 * Makefile.in (insn-automata.o): Add header file dependencies.
13667 * genautomata.c: Add includes.
13669 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13672 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13674 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13676 * configure.ac: Expect target tools paths to be passed from the toplevel
13677 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13679 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13681 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13684 * c.opt (Wpointer-sign): Init to -1.
13685 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13686 OPT_pedantic, to 0 otherwise.
13687 * doc/invoke.texi: Update.
13689 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13691 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13692 constants provided by 80387 instructions in the destination mode.
13694 2006-01-26 Richard Guenther <rguenther@suse.de>
13695 Andrew Pinski <pinskia@physics.uc.edu>
13698 partial PR tree-opt/17064
13699 * tree-ssa-structalias.c (intra_create_variable_infos):
13700 Create heap variables for incoming parameters if
13701 flag_argument_noalias > 1.
13702 (find_what_p_points_to): Look through default defs of
13705 2006-01-26 Jeff Law <law@redhat.com>
13708 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13709 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13710 within the VR_RANGE, use the VR_RANGE as the result, not the
13712 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13713 bounds for the type.
13715 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13717 * tree-ssa-alias.c (maybe_create_global_var): Change
13718 subvar walking to an assertion that we don't have subvar'd variables.
13720 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13723 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13724 Use a new variable, inner. PARM_DECLs are always non-weak.
13726 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13728 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13729 --disable-checking.
13731 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13733 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13735 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13737 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13738 (smax_insn, smin_insn, smax_0, smin_0): New.
13740 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13743 * config/cris/cris.c (cris_order_for_addsi3): New function.
13744 * config/cris/cris-protos.h: Prototype it.
13745 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13746 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13747 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13748 (split for "op.S1 [rx=rx+i],ry (swapped)")
13749 (split for "op(s|u).S1 [rx=rx+i],ry")
13750 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13751 Apply cris_order_for_addsi3 when generating addsi3 insns.
13753 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13755 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13756 (TREE_BLOCK): Add call to EXPR_CHECK.
13758 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13761 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13762 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13763 (dump_omp_clauses): ... here.
13764 (dump_generic_node): Handle OMP_CLAUSE.
13765 * tree.c (omp_clause_num_ops): New.
13766 (omp_clause_code_name): New.
13767 (tree_code_size): Handle OMP_CLAUSE.
13768 (tree_size): Likewise.
13769 (make_node): Document handling of OMP_CLAUSE.
13770 (tree_node_structure): Handle OMP_CLAUSE.
13771 (omp_clause_check_failed): New.
13772 (omp_clause_range_check_failed): New.
13773 (omp_clause_operand_check_failed): New.
13774 (build_omp_clause): New.
13775 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13776 * tree.h (enum omp_clause_code): Declare.
13777 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13778 (OMP_CLAUSE_RANGE_CHECK): Define.
13779 (OMP_CLAUSE_ELT_CHECK): Define.
13780 (omp_clause_check_failed): Declare.
13781 (omp_clause_operand_check_failed): Declare.
13782 (omp_clause_range_check_failed): Declare.
13783 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13784 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13785 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13786 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13787 (OMP_CLAUSE_IF_EXPR): Likewise.
13788 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13789 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13790 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13791 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13792 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13793 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13794 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13795 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13796 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13797 (OMP_CLAUSE_CODE): Define.
13798 (OMP_CLAUSE_SET_CODE): Define.
13799 (OMP_CLAUSE_CODE): Define.
13800 (OMP_CLAUSE_OPERAND): Define.
13801 (struct tree_omp_clause): Declare.
13802 (union tree_node): Add field 'omp_clause'.
13803 * treestruct.def (TS_OMP_CLAUSE): Define.
13804 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13805 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13806 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13807 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13808 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13809 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13810 (OMP_CLAUSE): Define.
13811 * print-tree.c (print_node): Handle OMP_CLAUSE.
13812 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13813 * c-typeck.c: Likewise.
13814 * gimplify.c: Likewise.
13815 * c-omp.c: Likewise.
13816 * tree-nested.c: Likewise.
13817 * tree-inline.c: Likewise.
13818 * c-parser.c: Likewise.
13819 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13822 2006-01-25 Roger Sayle <roger@eyesopen.com>
13824 PR rtl-optimization/25703
13825 * combine.c (try_combine): Handle zero_extract and strict_low_part
13826 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13828 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13830 * global.c: Fix comment typos.
13832 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13835 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13836 Use output_addr_const instead of assemble_name.
13838 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13840 * Makefile.in (sched-vis.o): Update dependencies.
13841 * haifa-sched.c (sched_finish): Clear current_sched_info.
13842 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13843 (dump_flow_info): Call it.
13844 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13846 * basic-block.h (dump_bb_info): Declare.
13847 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13848 option, and apply options only for dump files whose TDF_RTL,
13849 TDF_TREE, or TDF_IPA bits match.
13850 * rtl.h: Declare new functions exported from sched-vis.c.
13851 * sched-vis.c: Enable also if scheduling is not used.
13852 (print_value): Print the mode of registers if not inside scheduling.
13853 (print_insn): Make it work outside the scheduler. Beautify the output
13855 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13857 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13859 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13860 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13861 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13862 depending on the value of CONSTANT_POOL_ADDRESS_P.
13863 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13865 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13866 rather than SYMBOL_REF_DECL.
13867 (rtx_constant_pool): Remove const_rtx_sym_htab.
13868 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13869 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13870 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13871 Remove handling of const_rtx_sym_htab.
13872 (find_pool_constant): Delete.
13873 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13874 rather than find_pool_constant.
13875 (get_pool_constant_for_function): Delete.
13876 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13877 find_pool_constant.
13878 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13879 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13880 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13881 (SYMBOL_REF_CONSTANT): New macro.
13882 (get_pool_constant_for_function): Delete.
13883 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13884 rather than SYMBOL_REF_DECL.
13885 (i386_pe_mark_dllimport): Likewise.
13886 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13887 rather than SYMBOL_REF_DECL.
13888 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13889 (machopic_indirect_call_target): Likewise.
13891 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13893 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13895 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13897 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13899 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13901 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13903 2006-01-24 David Daney <ddaney@avtrex.com>
13906 * configure.ac (enable_tls): New enable option.
13907 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13908 * configure: Regenerate.
13909 * doc/install.texi (--enable-tls): Document new option.
13910 (--disable-tls): Ditto.
13912 2006-01-24 Richard Henderson <rth@redehat.com>
13914 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13915 * alias.c (true_dependence): Respect it.
13916 (canon_true_dependence, write_dependence_p): Likewise.
13917 * builtins.c (get_builtin_sync_mem): Set it.
13919 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13921 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13924 2006-01-24 DJ Delorie <dj@redhat.com>
13926 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13927 for storing constants in single-bit bitfields.
13929 2006-01-25 Ben Elliston <bje@au.ibm.com>
13931 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13933 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13936 * tree-ssa-pre.c (phi_translate): Return NULL
13937 for AGGREGATE_TYPE's.
13939 2006-01-24 Zack Weinberg <zackw@panix.com>
13941 * genautomata.c (process_state_for_insn_equiv_partition):
13942 Use xcalloc for insn_arcs_array.
13943 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13944 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13946 2006-01-24 Richard Henderson <rth@redhat.com>
13948 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13949 update all callers.
13951 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13953 PR rtl-optimization/25890
13954 PR rtl-optimization/25905
13955 * combine.c (expand_compound_operation, expand_field_assignment):
13956 Fail if the bitfield's final position is out of bounds.
13958 2006-01-24 Ian Lance Taylor <ian@airs.com>
13960 PR middle-end/25930
13961 * cgraphunit.c (cgraph_output_in_order): Don't clear
13962 cgraph_asm_nodes until after asm strings have been output.
13964 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13966 * fix-header.c (read_scan_file): Add new parameter imultilib when
13967 calling register_include_chains.
13969 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13971 * omp-low.c: Update documentation.
13973 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13974 Daniel Berlin <dberlin@dberlin.org>
13978 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13979 return from the function.
13981 2006-01-22 Zack Weinberg <zackw@panix.com>
13983 * rtl.def (match_code): Add second argument.
13984 * genpreds.c (write_extract_subexp): New function.
13985 (write_match_code): Add path argument. Use write_extract_subexp.
13986 (write_predicate_expr): Pass path to write_match_code.
13987 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13988 not perform a mode test.
13989 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13990 a subexpression does not constrain the top-level code set.
13991 * read-rtl.c (read_rtx_variadic): New function.
13992 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13993 * doc/md.texi: Document new notation.
13994 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13995 (cmpsi_operand): ... here, using new notation.
13997 2006-01-22 Zack Weinberg <zackw@panix.com>
13999 * varray.c: Remove GENERATOR_FILE #ifdefs.
14001 2006-01-22 Zack Weinberg <zackw@panix.com>
14003 * genautomata.c (output_reserved_units_table): Emit nothing if
14004 description->query_units_num is zero. Remove extra blank line.
14005 (output_cpu_unit_reservation_p): Short circuit
14006 if description->query_units_num is zero.
14008 2006-01-22 Zack Weinberg <zackw@panix.com>
14010 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14011 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14012 nor any of the random handful of variables that used to be necessary
14013 when this program was linked with rtlanal.o. Prune set of forward
14014 function declarations.
14015 (struct attr_desc): Remove static_p field.
14016 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14017 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14018 (attr_string): Do not read the character one past the length of
14020 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14021 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14022 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14023 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14024 (make_automaton_attrs): New.
14025 (main): Do not call into genautomata. Call local gen_bypass
14026 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14027 Remove special case for insn_alts.
14028 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14029 varray.h (leftover from previous change). Prune set of forward
14030 function declarations. Remove state_alts fields from all
14031 structures. Remove state_alts_table from struct automaton.
14032 Make everything except main static. Do not maintain num_dfa_decls.
14033 Do not maintain state_alts fields of various structures.
14034 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14035 (add_arc): Remove state_alts argument. All callers updated.
14036 (output_reserved_units_table): Emit #ifdef here...
14037 (output_tables): ...not here. Don't generate state_alts tables.
14038 (expand_automata): Don't generate attributes.
14039 (write_automata): Don't generate state_alts functions.
14040 (main): New function.
14041 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14042 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14043 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14044 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14045 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14046 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14047 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14048 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14050 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14051 * genattrtab.h: Delete file.
14052 * Makefile.in (OBJS-common): Add insn-automata.o.
14053 (insn-automata.o): New rule.
14054 (simple_generated_c): Add insn-automata.c.
14055 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14056 (genprogmd): Add automata.
14057 (build/genattrtab): Needs no extra objects nor libraries.
14058 (build/genautomata): Needs build/vec.o and -lm.
14060 2006-01-22 Zack Weinberg <zackw@panix.com>
14062 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14063 (output_dfa_max_issue_rate, locked_states_num): Delete.
14064 (struct automaton): Add locked_states field.
14065 (output_dead_lock_vect): Save number of locked states in
14066 automaton->locked_states. If it is zero, don't print anything.
14067 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14068 (output_internal_dead_lock_func): Only test the dead_lock_vect
14069 for automata that have locked states.
14070 (output_statistics): Always print the number of locked states for
14071 each automaton. Calculate total number of locked states here.
14072 (write_automata): Don't call output_dfa_max_issue_rate.
14073 * genattrtab.c: Define length_unit_log as a const variable.
14074 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14075 max_insn_queue_index const.
14076 * final.c (length_unit_log): Declare const.
14077 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14079 2006-01-22 Zack Weinberg <zackw@panix.com>
14081 * genautomata.c: Include vec.h, not varray.h.
14082 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14083 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14084 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14085 VEC_* macros operating on appropriately typed vectors, or to
14086 malloced arrays when the size is known in advance. Const-ify
14087 many char* variables and function arguments. No functional changes.
14088 * Makefile.in (build/varray.o): Delete rule.
14089 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14090 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14092 2006-01-22 Zack Weinberg <zackw@panix.com>
14094 * gensupport.c: Define get_insn_name and record_insn_name here.
14095 (read_md_rtx): Call record_insn_name as appropriate.
14096 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14097 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14098 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14100 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14101 (BUILD_VARRAY): Delete.
14102 (genprognormal): Rename genprogmd. Fold in all programs from
14103 genprognoprint; also attrtab.
14104 (build/genattrtab): Just mention genautomata.o and varray.o.
14105 Reorganize a bit, add comments to make the categories clearer.
14107 2006-01-22 Zack Weinberg <zackw@panix.com>
14109 * genconditions.c (condition_table, add_condition): Delete.
14110 (write_conditions): Don't emit n_insn_conditions nor
14111 insn_elision_unavailable. Issue the gcc version #ifdef here,
14112 inside the table, with no #else clause ...
14113 (write_header): ...not here.
14114 (write_writer): New function.
14115 (main): Don't initialize condition_table. Use add_c_test.
14117 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14118 files on the command line.
14119 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14120 Return -1 if there is no entry in the table, don't abort.
14121 (add_c_test, traverse_c_tests): New functions.
14122 * gensupport.h (insn_elision_unavailable, insn_conditions)
14123 (n_insn_conditions): Delete declarations.
14124 (add_c_test, traverse_c_tests): Declare.
14125 * read-rtl.c: Include gensupport.h.
14126 (read_conditions): New function.
14127 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14128 (read_rtx_1): If we get EOF when we were looking for an initial
14129 open paren, return 0. Call read_conditions when appropriate.
14130 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14131 dummy-conditions.o. Eliminate references to insn-conditions.o,
14132 or change them to build/gencondmd.o, as appropriate. Remove
14133 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14134 from $(simple_generated_c). For all files remaining in those
14135 two lists, add insn-conditions.md to the generator command line.
14136 Give insn-constants.h/s-constants their own rules. Add rules
14137 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14138 (build/read-rtl.o): Depend on gensupport.h.
14139 (genprognormal): Include preds.
14140 (genprogearly): Rename genprognoprint; only difference is now that
14141 they don't link with $(BUILD_PRINT).
14142 * dummy-conditions.c: Delete.
14144 2006-01-22 Zack Weinberg <zackw@panix.com>
14146 * genextract.c: Don't include insn-config.h. Do include vec.h.
14147 Declare vectors of int, char, and locstr.
14148 (locstr): New typedef.
14149 (struct extraction): Make all array fields into bare pointers.
14150 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14151 (insn_code_number): Delete.
14152 (accum_extract): New struct.
14153 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14154 (gen_insn): Take insn_code_number as an argument. Use an
14155 accum_extract structure instead of loading data directly into
14156 a struct extraction, and having to know how big it might get.
14157 (walk_rtx): Operate entirely on an accum_extract structure.
14158 (print_path): Avoid unnecessary use of printf.
14159 (print_header): New function, split out of main. Distinguish
14160 more carefully between an unrecognizable insn and an insn that
14161 has the code number of a define_expand.
14162 (main): Pass insn_code_number to gen_insn. Call print_header
14163 only after parsing. Avoid unnecessary use of printf.
14164 * Makefile.in (build/vec.o): New rule.
14165 (build/genextract): Depend on build/vec.o.
14166 (build/genextract.o): Don't depend on insn-config.h.
14168 2006-01-22 Zack Weinberg <zackw@panix.com>
14170 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14171 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14172 practical. Eliminate per-generator-program link rules.
14174 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14176 PR middle-end/24437
14177 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14178 with a call expr to ...
14179 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14181 2006-01-23 Richard Guenther <rguenther@suse.de>
14183 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14184 before make_edge with conditional EDGE_TRUE_VALUE.
14186 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14187 Jan Hubicka <jh@suse.cz>
14188 Richard Guenther <rguenther@suse.de>
14190 PR rtl-optimization/25654
14191 * cfgexpand.c (aggregate_contains_union_type): New function.
14192 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14193 for structure variables that contain a union type.
14195 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14197 * gengtype.c (new_structure): Return the structure.
14198 (create_option): Add an extra "next" argument.
14199 (create_field): New function.
14200 (adjust_field_rtx_def): Use create_option and create_field.
14201 Remove a now-unnecessary call to find_structure.
14202 (adjust_field_tree_def): Likewise.
14203 (note_yacc_type): Remove an unnecessary call to find_structure.
14204 * gengtype.h (new_structure): Return the structure.
14205 (create_option): Add an extra argument.
14206 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14207 (option): Adjust calls to create_option.
14209 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14211 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14213 2006-01-22 Paul Brook <paul@codesourcery.com>
14214 Peter Barada <peter@the-baradas.com>
14216 * config/m68k/m68k.md: Add Coldfire FPU support.
14217 Define FP mode macro and associated attributes.
14218 Use it for float mode patterns.
14219 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14220 (LIBCALL_VALUE): Use m68k_libcall_value.
14221 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14222 (m68k_function_value): Ditto.
14223 (emit_move_sequence): Ditto.
14224 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14225 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14226 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14227 (MULTILIB_EXCEPTIONS): Ditto.
14228 * config/m68k/m68k.opt: Add mcfv4e.
14229 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14230 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14231 (m68k_output_function_prologue): Save ColdFire FPU registers.
14232 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14233 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14234 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14235 ColdFire FPU registers.
14236 (m68k_libcall_value, m68k_function_value): New functions.
14237 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14238 (LIBCALL_VALUE): Use m68k_libcall_value.
14239 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14240 (MASK_COLDFIRE): Add MASK_CFV4E.
14241 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14242 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14243 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14244 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14245 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14246 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14247 * doc/invoke.tex: Document -mcfv4e on m68k.
14249 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14251 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14254 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14257 * c-opts.c (c_common_handle_option): Don't include
14258 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14259 * doc/invoke.texi (C++ Dialect Options): Document that
14260 -Wnon-virtual-dtor is no longer included in -Wall.
14262 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14264 * gcov.c (print_version), gcov-dump.c (print_version),
14265 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14268 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14270 * df-scan.c (problem_SCAN): Added NULL reset function.
14271 (df_scan_reset_blocks): Added code to call reset block function
14272 (df_bb_refs_delete) Fixed comment.
14273 (df_insn_refs_delete): Made tolerant of deleting non existent info
14274 for dataflow problems that need to be reset.
14275 * df-core.c (df_set_blocks): Ditto.
14276 * df.h (struct df_problem): Added reset_fun.
14277 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14278 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14279 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14280 functions to clear out all references to def-use or use-def chains.
14282 2006-01-21 Ben Elliston <bje@au.ibm.com>
14284 * varasm.c (assemble_real): Initialise data array.
14286 2006-01-20 Paul Brook <paul@codesourcery.com>
14288 Merge from csl-arm-branch.
14289 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14290 * config/arm/arm.md (movdi): Force operands[1] to a register
14291 if we have a non-register source.
14292 (*arm_movdi, *movdf_soft_insn): Require that one of the
14293 operands be a register.
14294 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14295 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14297 2006-01-20 DJ Delorie <dj@redhat.com>
14299 * varasm.c (initializer_constant_valid_p): Allow pointers
14300 initialized from integer constants of lesser precision.
14301 (output_constant): Allow non-int-sized pointer modes to be
14302 initialized from integer constants.
14304 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14307 * cppdefault.h (struct default_include): Add multilib flag.
14308 * cppdefault.c (cpp_include_defaults): Set it.
14309 * c.opt (-imultilib): New option.
14310 * c-opts.c (imultilib): New.
14311 (c_common_handle_option): Handle -imultilib.
14312 (c_common_post_options): Likewise.
14313 * c-incpath.c (add_standard_paths, register_include_chains):
14315 * c-incpath.h (register_include_chains): Add extra parameter.
14316 * gcc.c (do_spec_1): Generate -imultilib option.
14317 (The Specs Language): Update %I description.
14318 (process_command): Update copyright notice.
14319 * doc/cppopts.texi (-imultilib): Document.
14320 * doc/invoke.texi (-imultilib): Include in option summary.
14321 (%I): Update specs documentation.
14323 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14325 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14327 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14329 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14332 2006-01-20 Richard Guenther <rguenther@suse.de>
14333 Steven Bosscher <stevenb.gcc@gmail.com>
14335 PR rtl-optimization/24626
14336 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14337 EDGE_TRUE_VALUE if in RTL mode.
14340 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14341 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14343 2006-01-20 Dirk Mueller <dmueller@suse.com>
14346 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14347 instead of a special NOP marker.
14348 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14349 NOP marker handling.
14350 * c-common.h (empty_body_warning): Add forward declaration.
14351 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14352 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14354 2006-01-20 Paul Brook <paul@codesourcery.com>
14356 * Makefile.in (lang_checks): Keep going if mkdir fails.
14358 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14360 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14361 be able to clean out basic block when not necessary.
14362 (df_scan_free): Fixed to properly delete information if df is
14363 unused before calling df_finish.
14364 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14365 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14367 (df_bb_refs_delete): New function.
14368 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14369 * df-core.c (df_set_blocks): Added code to properly clean out
14370 unused blocks if they are not part of the blocks to consider.
14371 Added additional null check.
14372 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14373 be able to clean out basic block when not necessary
14374 * df.h (df_free_bb_function): Ditto.
14375 (df_bb_refs_delete): New function.
14376 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14377 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14378 basic block parameter to be able to clean out basic block when not
14380 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14381 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14382 Fixed to properly delete information if df is unused before
14385 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14387 PR rtl-optimization/25799
14388 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14389 Corrected confluence operator to remove bits from op2 before oring
14390 with op1 rather than removing bits from op1.
14391 (df_ru_transfer_function): Corrected test on wrong bitmap which
14392 caused infinite loop. Both of these problems were introduced in
14393 the dataflow rewrite.
14395 2006-01-19 DJ Delorie <dj@redhat.com>
14397 * reload1.c (find_reload_regs): Note the details of reload
14398 failures in the dump file.
14399 (spill_failure): Likewise.
14401 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14403 * loop-iv.c: Include df.h and hashtab.h.
14404 (enum iv_grd_result): New enum.
14405 (DF_REF_IV, DF_REF_IV_SET): New macros.
14406 (struct biv_entry): New.
14407 (df, bivs): New global variables.
14408 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14409 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14411 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14412 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14413 analyzed_for_bivness_p, record_biv): New functions.
14414 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14415 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14416 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14418 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14420 (iv_number_of_iterations): Use new interface to iv analysis.
14421 * loop-unroll.c: Do not include varray.h.
14422 (analyze_iv_to_split_insn): Use new interface to iv
14424 * loop-unswitch.c (may_unswitch_on): Ditto.
14425 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14427 (df_bb_modify): Realloc tables to the new index.
14428 (df_find_use): New function.
14429 * df.h (df_find_use): Declare.
14430 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14432 * cfgloop.h (struct rtx_iv): Remove analysed field.
14433 (iv_get_reaching_def): Removed.
14434 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14435 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14436 (loop-iv.o): Add df.h and hashtab.h dependency.
14437 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14439 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14442 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14444 (__floatundisf, __floatundidf): Likewise.
14445 * libgcc2.h (IS_IBM_EXTENDED): Define.
14447 2006-01-19 DJ Delorie <dj@redhat.com>
14449 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14451 2006-01-19 Paul Brook <paul@codesourcery.com>
14453 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14454 as nothrow when unwinding tables are disabled.
14456 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14459 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14460 of bit-field" when in system header.
14462 2006-01-19 DJ Delorie <dj@redhat.com>
14464 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14465 the 16 bit shift limit of the m16c.
14467 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14470 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14471 * config/i386/i386.c (output_set_got): Output the label if we have one
14472 for the TARGET_DEEP_BRANCH_PREDICTION case.
14474 2006-01-19 Jan Hubicka <jh@suse.cz>
14475 H.J. Lu <hongjiu.lu@intel.com>
14476 Evandro Menezes <evandro.menezes@amd.com>
14478 * invoke.texi (generic): Document
14480 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14481 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14482 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14483 (x86_use_incdec, x86_pad_returns): New variables
14484 (TARGET_CPU_DEFAULT_generic): New constant
14485 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14486 (enum processor_type): Add generic32 and generic64.
14487 * i386.md (cpu attribute): Add generic32/generic64
14488 (movhi splitter): Behave sanely when both partial_reg_dependency and
14489 partial_reg_stall are set.
14490 (K8 splitters): Enable for generic as well.
14491 * predicates.md (incdec_operand): Use TARGET_INCDEC
14492 (aligned_operand): Avoid memory mismatch stalls.
14493 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14494 * ppro.md: Enable for generic32
14495 * i386.c (generic64_cost, generic32_cost): New.
14496 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14497 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14498 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14499 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14500 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14501 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14502 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14503 x86_accumulate_outgoing_args, x86_prologue_using_move,
14504 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14505 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14506 Enable for generic.
14507 (x86_use_incdec, x86_pad_returns): New.
14508 (override_options): Add generic32 and generic64, translate "generic"
14509 to generic32/generic64 and "i686" to "generic32", refuse
14510 "generic32"/"generic64" as arch target.
14511 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14512 (ix86_reorg): Honor PAD_RETURNS.
14514 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14516 * tree-pretty-print.c (dump_generic_node): Handle
14517 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14518 * cgraph.c (cgraph_expand_queue): Rename from
14519 cgraph_analyze_queue. Update all users.
14520 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14521 cgraph_expand_queue.
14522 (cgraph_expand_all_functions): Likewise.
14523 (cgraph_finalize_pending_functions): Remove. Update callers.
14525 * tree.h (OMP_DIRECTIVE_P): Define.
14526 (OMP_PARALLEL_FN): Define.
14527 (OMP_PARALLEL_DATA_ARG): Define.
14528 (OMP_SECTIONS_SECTIONS): Define.
14529 * tree-pass.h (pass_expand_omp): Declare.
14530 * omp-low.c (struct omp_region): Declare.
14531 (struct omp_context): Remove fields 'parallel_type',
14532 'parallel_start_ix' and 'parallel_start_additional_args'.
14534 (struct omp_for_data): Rename from struct expand_omp_for_data.
14535 (omp_regions): New static variable.
14536 (root_omp_region): New static variable.
14537 (find_omp_clause): Make static.
14538 (is_in_combined_parallel_ctx): Remove.
14539 (is_combined_parallel): New.
14540 (extract_omp_for_data): Move earlier in the file.
14541 (workshare_safe_to_combine_p): New.
14542 (get_ws_args_for): New.
14543 (determine_parallel_type): Move earlier in the file.
14544 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14546 (omp_copy_decl): Likewise.
14547 (create_omp_child_function): Likewise.
14548 (lookup_omp_region): New.
14549 (dump_omp_region): New.
14550 (debug_omp_region): New.
14551 (debug_all_omp_regions): New.
14552 (new_omp_region): New.
14553 (scan_omp_parallel): If parallel_nesting_level > 1, the
14554 directive is nested within another parallel directive.
14555 Set OMP_PARALLEL_FN.
14556 (scan_omp_for): Do not try to handle combined parallel+for
14558 Remove FIXME comment.
14559 (scan_omp_nested): Remove.
14560 (scan_omp_1): Do not call scan_omp_nested when
14561 parallel_nesting_level is > 1.
14562 Do not change the DECL_CONTEXT of local variables found.
14563 (lookup_decl_in_outer_ctx): New.
14564 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14565 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14566 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14567 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14568 If CTX is nested, lookup VAR in the outer context when
14569 building copy assignment.
14570 (lower_send_clauses): Rename from expand_send_clauses.
14571 If CTX is nested, lookup VAR in the outer context when
14572 building copy assignments.
14573 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14574 If CTX is nested, lookup VAR in the outer context when
14575 building copy assignments.
14576 (expand_parallel_call): Rename from build_parallel_call.
14577 Handle combined parallel+workshare cases.
14578 Re-implement to emit code into the CFG.
14580 (expand_omp_parallel): Re-implement to emit code into the CFG.
14581 Call move_sese_region_to_fn to outline the sub-graph
14582 containing the parallel region.
14583 (expand_omp_for_1): Remove.
14584 (expand_omp_for_generic): Re-implement to emit code into the
14586 (expand_omp_for_static_nochunk): Likewise.
14587 (expand_omp_for_static_chunk): Likewise.
14588 (expand_omp_for): Likewise.
14589 (expand_omp_sections): Likewise.
14590 (remove_exit_barriers): New.
14591 (expand_omp_synch): New.
14593 (build_omp_regions_1): New.
14594 (build_omp_regions): New.
14595 (execute_expand_omp): New.
14596 (gate_expand_omp): New.
14597 (pass_expand_omp): Define.
14598 (lower_omp_sections): Rename from expand_omp_sections.
14599 Set OMP_SECTIONS_SECTIONS.
14600 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14601 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14602 (lower_omp_single): Rename from expand_omp_simple.
14603 (lower_omp_master): Rename from expand_omp_master.
14604 (lower_omp_ordered): Rename from expand_omp_ordered.
14605 (lower_omp_critical): Rename from expand_omp_critical.
14606 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14607 (lower_omp_for): Re-implement.
14608 (lower_omp_parallel): Re-implement.
14609 (lower_regimplify): Rename from expand_regimplify.
14610 (lower_omp_1): Rename from expand_omp_1.
14611 If there are syntax errors in the program, replace every
14612 OpenMP directive with NOP.
14613 Call lower_omp_* instead of expand_omp_*.
14614 (lower_omp): Rename from expand_omp.
14616 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14617 * tree-gimple.h (enum omp_parallel_type): Remove.
14618 (gimple_boolify): Declare extern.
14619 (find_omp_clause, determine_parallel_type): Remove.
14621 * gimple-low.c (lower_omp_directive): New.
14622 (lower_stmt): Call it.
14623 (record_vars_into): Move from ...
14624 (record_vars): ... here.
14625 Call record_vars_into with current_function_decl.
14627 * gimplify.c (struct gimplify_ctx): Remove fields
14628 combined_pre_p and combined_ctxp. Update users.
14629 (get_formal_tmp_var): Add documentation.
14630 (gimple_boolify): Make extern.
14631 (gimplify_expr_in_ctx): Remove. Update callers.
14632 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14633 will always be a BIND_EXPR.
14634 (gimplify_expr): Handle OMP_RETURN_EXPR.
14635 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14636 (OMP_PARALLEL): Add 3 operands.
14637 (OMP_SECTIONS): Add 1 operand.
14638 (OMP_RETURN_EXPR): Define.
14640 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14641 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14642 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14643 creating a circular free list.
14644 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14646 * tree-flow.h (move_sese_region_to_fn): Declare.
14647 (record_vars_into): Declare.
14648 * tree-cfg.c (make_omp_sections_edges): New.
14649 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14650 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14651 OMP_SECTIONS and OMP_SECTION.
14652 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14653 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14654 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14655 (gather_blocks_in_sese_region): New.
14656 (struct move_stmt_d): Declare.
14657 (move_stmt_r): New.
14658 (move_block_to_fn): New.
14659 (move_sese_region_to_fn): New.
14661 * passes.c (init_optimization_passes): Schedule
14662 pass_expand_omp after pass_init_datastructures.
14664 * tree-ssa-operands.c (get_expr_operands): Handle
14665 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14666 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14668 2006-01-19 Jeff Law <law@redhat.com>
14670 * tree-vrp.c (extract_range_from_assert): Refine the result range
14671 if the variable referenced by the ASSERT_EXPR has a range and
14672 either the tentative result range or the previous range is a
14675 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14677 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14679 2006-01-19 Jan Hubicka <jh@suse.cz>
14681 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14683 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14685 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14686 (expand_compound_operation, expand_field_assignment): Fail if the
14687 bit lengths of an extract operation are out of range.
14688 (make_extraction): Compute wanted_inner_mode based on the position
14689 and length of the extraction. Make it extraction_mode for non-constant
14690 positions, and do not modify offset in that case. When generating a
14691 new MEM, use a mode that can hold the extraction while keeping correct
14692 alignment. Remove code that supported MEMs wrapped by USEs.
14693 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14695 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14697 * config/s390/s390.md ("Y", "y"): New mode attribute.
14698 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14699 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14700 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14701 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14702 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14703 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14704 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14705 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14706 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14707 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14708 "addsi3", "subsi3"): Insn patterns removed.
14709 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14710 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14711 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14712 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14713 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14714 "*sub<mode>3_cconly2"): New insn patterns.
14715 ("addsi3", "subsi3"): New expanders.
14717 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14719 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14720 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14721 existing STMT_VINFO_VECTYPE if available.
14722 (vect_mark_relevant): Add special handling for stmts that are
14723 marked as STMT_VINFO_IN_PATTERN_P.
14724 (vect_analyze_loop): Call vect_pattern_recog.
14725 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14726 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14728 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14729 (vect_recog_func_ptr): New function-pointer type.
14730 * tree-vect-patterns.c: New file.
14731 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14732 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14733 (vect_pattern_recog_1): New functions.
14734 (vect_pattern_recog_funcs): New array of function pointers.
14736 * tree-vectorizer.h (ternary_op): New enum value.
14737 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14738 declaration. Revised documentation. Removed redundant dump prints.
14739 Removed redundant argument. Added support for reduction patterns.
14740 (vectorizable_reduction): Added support for reduction patterns.
14741 (vect_transform_stmt): Added support for patterns.
14743 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14744 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14745 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14746 (expand_widen_pattern_expr): New function.
14747 (init_optabs): Initialize new optabs udot_prod_optab,
14749 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14750 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14751 (expand_widen_pattern_expr): New function declaration.
14752 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14754 * tree-inline.c (estimate_num_insns_1): Added cases for new
14755 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14756 * tree-pretty-print.c (dump_generic_node): Likewise.
14757 (op_prio): Likewise.
14758 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14759 * tree-ssa-operands.c (get_expr_operands): Added case for
14761 * tree-vect-patterns.c (widened_name_p): New function.
14762 (vect_recog_dot_prod_pattern): Added function implementation.
14763 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14764 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14765 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14766 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14768 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14769 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14770 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14771 (init_optabs): Initialize new optabs widen_ssum_optab,
14773 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14774 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14775 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14776 use instead of type of def.
14777 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14778 function implementation.
14779 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14780 widen_ssumv8hi): New.
14782 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14785 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14788 * c-decl.c (add_flexible_array_elts_to_size): New function.
14789 (finish_decl): Use it.
14791 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14793 * diagnostic.h: Include options.h.
14794 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14795 dependancies for diagnostic.h.
14796 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14798 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14800 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14801 (ssa_ro_call_cache_valid): Ditto.
14802 * tree-ssa-alias.c (sort_tags_by_id): New function.
14803 (init_transitive_clobber_worklist): Ditto.
14804 (add_to_worklist): Ditto.
14805 (mark_aliases_call_clobbered): Ditto.
14806 (compute_tag_properties): Ditto.
14807 (set_initial_properties): Ditto.
14808 (compute_call_clobbered): Ditto.
14809 (compute_may_aliases): Call compute_call_clobbered and grouping.
14810 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14811 (compute_flow_insensitive_aliasing): Grouping now happens in our
14813 (setup_pointers_and_addressables): Remove clobbering related code.
14814 (add_may_alias): Ditto.
14815 (replace_may_alias): Ditto.
14816 (get_nmt_for): Ditto.
14817 (create_global_var):
14818 (is_escape_site): Return an escape_type enumeration.
14819 * tree-flow-inline.h (is_call_clobbered): Global var does not
14820 imply call clobbered.
14821 (mark_call_clobbered): Take a reason for marking this. Remove
14822 marking of globalness, and cache invalidation.
14823 (clear_call_clobbered): Remove cache invalidation code.
14824 * tree-dfa.c (dump_variable): If details is on, dump the reason
14826 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14828 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14829 (struct var_ann_d): Ditto.
14830 (enum escape_type): New.
14831 (mark_call_clobbered): Adjust prototype.
14832 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14833 are never call clobbered.
14834 Record reasons for escaping.
14835 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14836 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14837 (ssa_ro_call_cache_valid): Ditto.
14838 (clobbered_v_may_defs): Ditto.
14839 (clobbered_vuses): Ditto.
14840 (ro_call_vuses): Ditto.
14841 (clobber_stats): New.
14842 (init_ssa_operands): Zero out clobber stats.
14843 (fini_ssa_operands): Print out clobber stats.
14844 (get_call_expr_operands): Pass callee fndecl to
14845 add_call_read_ops).
14846 (add_call_clobber_ops): Remove use of cache.
14847 Add use of PURE_CONST information.
14848 (add_call_read_ops): Remove use of cache.
14849 Add use of static not_read information.
14851 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14853 Introduce TLS descriptors for i386 and x86_64.
14854 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14855 (TARGET_ANY_GNU_TLS): New macro.
14856 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14857 (struct machine_function): Add tls_descriptor_call_expanded_p.
14858 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14859 (ix86_current_function_calls_tls_descriptor): Likewise.
14860 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14861 (override_options): Introduce gnu2 tls dialect.
14862 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14864 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14866 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14867 (ix86_init_machine_status): Initialize new field.
14868 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14869 (ix86_tls_module_base): New.
14870 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14871 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14872 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14873 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14874 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14875 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14876 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14877 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14878 * config/i386/predicates.md (tls_modbase_operand): New.
14879 (tp_or_register_operand): New.
14881 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14883 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14884 (look_for_address_of): Ditto.
14885 (ipa_init): Walk the function decls.
14886 (static_execute): Don't set readonly on FUNCTION_DECL's.
14888 2006-01-18 Roger Sayle <roger@eyesopen.com>
14890 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14891 for shifts where the source and destination registers are different.
14893 2006-01-18 Paul Brook <paul@codesourcery.com>
14895 Merge from csl-arm-branch.
14896 2005-03-14 Julian Brown <julian@codesourcery.com>
14897 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14898 (aeabi_llsl): Likewise.
14899 (ashrdi3): Likewise.
14900 (aeabi_lasr): Likewise.
14901 (lshrdi3): Likewise.
14902 (aeabi_llsr): Likewise.
14903 2005-03-10 Julian Brown <julian@codesourcery.com>
14904 * config.gcc: Disable shared libgcc for SymbianOS.
14905 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14907 2006-01-18 DJ Delorie <dj@redhat.com>
14909 * c-pragma.c (handle_pragma_diagnostic): New.
14910 (init_pragma): Register it.
14911 * doc/extend.texi: Document it.
14913 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14914 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14915 (diagnostic_context): Add classify_diagnostic[].
14916 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14917 as errors if they're overridden to DK_WARNING.
14918 (diagnostic_initialize): Initialize classify_diagnostic[].
14919 (diagnostic_set_kind_override): New.
14920 (diagnostic_report_diagnostic): Check for kind changes.
14921 * opts.c (common_handle_option): Take lang_mask. Update callers.
14922 Handle OPT_Werror_.
14923 * common.opt (Werror=): New.
14924 * doc/invoke.texi: Document -Werror=*
14926 2006-01-18 Jeff Law <law@redhat.com>
14928 * tree-vrp.c (test_for_singularity): Correct test for new
14929 min limit. Use operand_equal_p rather than pointer equality
14930 for testing if new min/max values are equal.
14932 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14933 using range information until after propagation and folding.
14935 2006-01-18 Richard Henderson <rth@redhat.com>
14936 Aldy Hernandez <aldyh@redhat.com>
14937 Jakub Jelinek <jakub@redhat.com>
14938 Diego Novillo <dnovillo@redhat.com>
14940 * omp-low.c: New file.
14941 * c-omp.c: New file.
14943 2006-01-18 Richard Henderson <rth@redhat.com>
14944 Jakub Jelinek <jakub@redhat.com>
14945 Diego Novillo <dnovillo@redhat.com>
14947 * doc/invoke.texi: Document -fopenmp.
14948 * tree-dump.h (debug_function): Declare.
14949 * hooks.c (hook_bool_tree_bool_false): New function.
14950 (hook_tree_tree_null): Remove.
14951 (hook_tree_tree_tree_null): New.
14952 * hooks.h: Update to match.
14953 * tree-pretty-print.c (debug_tree_chain): New.
14954 (print_generic_expr): Handle TDF_CHAIN.
14955 (dump_generic_node): Handle BLOCK.
14956 Do not abort with incomplete SWITCH_EXPRs.
14957 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14958 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14959 print space after directive name.
14960 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14961 Handle OMP_MASTER and OMP_ORDERED.
14962 Handle printing of OMP_BODY just in one place, goto
14963 dump_omp_body in the rest of OMP_* nodes that have
14965 Don't handle clause nodes here. Update omp statements to
14966 use dump_omp_clauses.
14967 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14968 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14969 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14970 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14971 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14972 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14973 Adjust output for GOMP_PARALLEL.
14974 (dump_omp_clauses): New.
14975 (print_declaration): Dump DECL_VALUE_EXPR.
14976 (op_symbol_1): Split out of op_symbol.
14977 (dumping_stmts): Remove. Update all users.
14978 * cgraph.c (cgraph_analyze_queue): New.
14979 (cgraph_add_new_function): New.
14980 * cgraph.h (cgraph_analyze_queue): Declare.
14981 (cgraph_add_new_function): Declare.
14982 (cgraph_lower_function): Remove.
14983 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14984 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14985 and TYPE_P nodes in its default clause.
14986 (empty_body_p): New.
14987 (tree_range_check_failed): New.
14988 (build5_stat): New.
14989 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14990 OMP_CLAUSE_REDUCTION_MERGE,
14991 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14992 OMP_CLAUSE_PRIVATE_DEBUG,
14993 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14994 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14995 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14996 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14997 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14998 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14999 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15000 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15001 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15002 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15003 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15004 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15005 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15006 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15007 (TREE_RANGE_CHECK): New.
15008 (empty_body_p): Declare.
15009 (enum omp_clause_default_kind): New.
15010 (build_string_literal): Declare.
15011 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15012 (build5_stat, build5): Declare.
15013 * tree-pass.h (TDF_CHAIN): Define.
15014 * tree-pass.h (PROP_gimple_lomp): Define.
15015 (pass_lower_omp): Declare.
15016 * diagnostic.h (debug_tree_chain): Declare.
15017 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15019 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15020 * builtins.c (build_string_literal): Make extern.
15021 * gcc.c (include_spec_function): New.
15022 (static_spec_functions): Add it.
15023 (main): Move load of libgomp.spec ...
15024 (LINK_COMMAND_SPEC): ... here.
15025 (link_gomp_spec): New.
15026 (static_specs): Include it.
15027 (LINK_COMMAND_SPEC): Add link_gomp.
15028 (GOMP_SELF_SPECS): New.
15029 (driver_self_specs): Include it.
15030 (switch_matches): Don't mark inline.
15031 (main): Load libgomp.spec.
15032 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15033 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15034 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15035 * tree-gimple.h (enum omp_parallel): Declare.
15036 (determine_parallel_type): Declare.
15037 (omp_firstprivatize_variable): Declare.
15038 (omp_reduction_init): Declare.
15039 (diagnose_omp_structured_block_errors): Declare.
15040 (struct walk_stmt_info): Add want_return_expr.
15041 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15042 (find_omp_clause): Declare.
15043 (insert_field_into_struct): Declare.
15044 (struct walk_stmt_info): Move from tree-nested.c
15045 (walk_stmts): Declare.
15046 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15048 * cgraphunit.c (cgraph_lower_function): Make static.
15049 (cgraph_finalize_pending_functions): New.
15050 (cgraph_finalize_function): Call it.
15051 (cgraph_finalize_compilation_unit): Likewise.
15052 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15053 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15054 (BT_FN_UINT_UINT): New.
15055 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15056 DEF_FUNCTION_TYPE_VAR_4): Document.
15057 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15058 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15059 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15060 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15061 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15062 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15063 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15064 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15065 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15066 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15067 into separate files.
15068 (DEF_GOMP_BUILTIN): New.
15069 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15070 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15071 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15072 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15073 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15074 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15075 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15076 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15077 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15078 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15079 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15080 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15081 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15082 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15083 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15084 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15085 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15086 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15087 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15088 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15089 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15090 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15091 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15092 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15093 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15094 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15095 * sync-builtins.def: New file, moved from builtins.def.
15096 * omp-builtins.def: New file, moved from builtins.def.
15097 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15098 * gimple-low.c (lower_function_body): Clear data.
15099 (lower_stmt): Do not handle COMPOUND_EXPR.
15100 Remove call to print_node_brief.
15101 * c-tree.h (c_finish_omp_clauses): New prototype.
15102 (C_DECL_THREADPRIVATE_P): Define.
15103 (lookup_name_no_remap, c_omp_remap_private): Remove
15104 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15105 (check_for_loop_decls): Update decl.
15106 (lookup_name_no_remap, c_omp_remap_private): Declare.
15107 (build_indirect_ref, build_modify_expr, pushdecl,
15108 pushdecl_top_level): Move to c-common.h.
15109 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15110 before the switch, but just in the 2 places that need it.
15111 * c-decl.c (diagnose_mismatched_decls): Do not check for
15112 mismatched thread-local attributes when OLDDECL is marked
15113 threadprivate and NEWDECL has no thread-local attributes.
15114 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15115 (c_gimple_diagnostics_recursively): Rename from
15116 c_warn_unused_result_recursively. Invoke
15117 diagnose_omp_structured_block_errors.
15118 (check_for_loop_decls): Return a singular decl found.
15119 * langhooks.c (lhd_omp_predetermined_sharing): Return
15120 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15121 (lhd_omp_firstprivatize_type_sizes): New.
15122 (lhd_omp_assignment): New.
15123 (lhd_omp_predetermined_sharing): New.
15124 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15125 (struct lang_hooks_for_types): Add
15126 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15127 omp_predetermined_sharing, omp_disregard_value_expr,
15128 omp_private_debug_clause, omp_clause_default_ctor,
15129 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15130 (c_finish_omp_clauses): New.
15131 (c_finish_bc_stmt): Diagnose break within omp for.
15132 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15133 (build_unary_op): Return error_mark after reporting
15135 (build_modify_expr): Likewise.
15136 * gimplify.c: Include optabs.h and pointer-set.h.
15137 (enum gimplify_omp_var_data): Declare.
15138 (struct gimplify_omp_ctx): Declare.
15139 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15141 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15142 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15143 (splay_tree_compare_decl_uid): New.
15144 (new_omp_context): New.
15145 (delete_omp_context): New.
15146 (gimple_add_tmp_var): Call omp_add_variable.
15147 (gimplify_bind_expr): Likewise.
15148 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15149 true, disregard DECL_VALUE_EXPR on the decl if any.
15150 (gimplify_expr_in_ctx): New.
15151 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15152 omp_add_variable, omp_notice_variable, omp_is_private
15153 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15154 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15155 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15156 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15157 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15158 gimplify_omp_atomic): New.
15159 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15160 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15161 OMP_CRITICAL and OMP_ATOMIC.
15162 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15163 * c-pragma.h (enum pragma_kind): Add
15164 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15165 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15166 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15167 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15168 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15169 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15170 PRAGMA_OMP_THREADPRIVATE.
15171 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15172 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15173 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15174 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15175 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15176 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15177 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15178 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15179 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15180 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15181 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15182 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15183 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15185 (struct nesting_info): Add field_map,
15186 suppress_expansion, debug_var_chain.
15187 (create_nesting_tree): Initialize them.
15188 (lookup_field_for_decl): Use field_map.
15189 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15190 (convert_local_omp_clauses): New.
15191 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15192 (walk_body): Split out of walk_function.
15193 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15194 (convert_nonlocal_reference): Handle omp statements.
15195 (convert_local_reference): Likewise.
15196 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15197 (unnest_nesting_tree): New.
15198 (lower_nested_functions): Call it.
15199 (insert_field_into_struct): Make extern.
15200 (struct walk_stmt_info): Move to tree-gimple.h.
15201 (walk_stmts): Make extern.
15202 * omp-builtins.def: New file.
15203 * tree-iterator.c (expr_only): Clarify comment.
15204 * c-common.h (pushdecl_top_level, pushdecl,
15205 build_modify_expr, build_indirect_ref,
15206 c_finish_omp_master, c_finish_omp_critical,
15207 c_finish_omp_ordered, c_finish_omp_barrier,
15208 c_finish_omp_atomic, c_finish_omp_flush,
15209 c_finish_omp_for, c_split_parallel_clauses,
15210 omp_clause_default_kind, c_omp_sharing_predetermined,
15211 c_omp_remap_decl): Declare.
15212 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15213 (OBJS-common): Add omp-low.o.
15214 (c-omp.o, omp-low.o): Add.
15215 (gimplify.o): Add dependency on $(OPTABS_H).
15216 (GTFILES): Add omp-low.c.
15217 (gt-stringpool.h): Add.
15218 * tree-cfg.c (set_bb_for_stmt): Do not update the
15219 block-to-labels map if we are currently expanding to RTL.
15220 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15222 Handle IDENTIFIER_NODE.
15223 (tree_verify_flow_info): Do not ICE when emitting error
15224 messages about invalid labels.
15225 (dump_function_to_file): Reset CFUN before emitting the body
15227 (debug_function): New.
15228 * passes.c (init_optimization_passes): Schedule
15230 * langhooks-def.h (lhd_omp_predetermined_sharing,
15231 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15233 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15234 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15235 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15236 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15237 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15238 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15239 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15240 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15241 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15242 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15243 (LANG_HOOK_DECLS): Use them.
15245 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15246 Richard Henderson <rth@redhat.com>
15247 Jakub Jelinek <jakub@redhat.com>
15248 Diego Novillo <dnovillo@redhat.com>
15250 * c-parser.c (pragma_omp_clause): Define.
15251 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15252 (c_parser_compound_statement): Likewise.
15253 (c_parser_statement): Likewise.
15254 (c_parser_pragma): Handle omp pragmas.
15255 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15256 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15257 (c_parser_omp_clause_name, check_no_duplicate_clause,
15258 c_parser_omp_variable_list,
15259 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15260 c_parser_omp_clause_copyprivate,
15261 c_parser_omp_clause_default,
15262 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15263 c_parser_omp_clause_lastprivate,
15264 c_parser_omp_clause_nowait,
15265 c_parser_omp_clause_num_threads,
15266 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15267 c_parser_omp_clause_reduction,
15268 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15269 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15270 c_parser_omp_atomic, c_parser_omp_barrier,
15271 c_parser_omp_critical, c_parser_omp_flush,
15272 c_parser_omp_for_loop, c_parser_omp_for,
15273 c_parser_omp_master, c_parser_omp_ordered,
15274 c_parser_omp_sections_scope, c_parser_omp_sections,
15275 c_parser_omp_parallel, c_parser_omp_single,
15276 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15277 * c-pragma.c (init_pragma): Do omp pragma registration here.
15278 * c.opt (fopenmp): New flag.
15280 2006-01-18 Eric Christopher <echristo@apple.com>
15282 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15283 * config/darwin.h (GOMP_SELF_SPECS): Define.
15285 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15287 * rtl.h: Remove the prototype for reg_alloc.
15289 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15292 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15293 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15294 sjlj and dwarf2 exception handling.
15295 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15296 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15297 * pa/pa.c (function_value): Treat complex and vector types as
15299 (function_arg): Likewise. Only pass scalar floats in the floating
15300 point argument registers.
15301 * pa/t-slibgcc-dwarf-ver: New file.
15302 * pa/t-slibgcc-sjlj-ver: New file.
15303 * pa/t-slibgcc-elf-ver: Delete file.
15305 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15307 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15308 unlikely_test_section_p test.
15310 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15312 * mode-switching.c (optimize_mode_switching): Make it static.
15313 * basic-block.h: Remove the prototype for
15314 optimize_mode_switching.
15316 * modulo-sched.c (sms_schedule): Make it static.
15317 * rtl.h: Remove the prototype for sms_schedule.
15319 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15320 * rtl.h: Remove the prototype for gcse_after_reload_main.
15322 * reg-stack.c (reg_to_stack): Make it static.
15323 * rtl.h: Remove the prototype for reg_to_stack.
15325 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15327 * rtl.h: Remove the prototypes for regrename_optimize and
15328 copyprop_hardreg_forward.
15330 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15332 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15333 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15334 Test against the appropriate null constant for the mode.
15335 If 'fixup_overlap' is true, swap the operands if they overlap.
15336 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15337 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15338 alpha_split_tmode_pair and adjust for above change.
15339 * config/alpha/alpha.md (movtf_internal): Adjust call to
15340 alpha_split_tfmode_pair and rely on it to swap the operands.
15341 (movti_internal): New insn and post-reload splitter.
15342 (movti): New expander.
15344 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15346 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15349 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15351 * rtlanal.c (global_reg_mentioned_p_1,
15352 global_reg_mentioned_p): Remove.
15353 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15355 * flow.c (initialize_uninitialized_subregs): Make it static.
15356 * rtl.h: Remove the prototype for
15357 initialize_uninitialized_subregs.
15359 * function.c (instantiate_virtual_regs): Make it static.
15360 * function.h: Remove the prototype for
15361 instantiate_virtual_regs.
15363 * regmove.c (regmove_optimize, combine_stack_adjustments):
15365 * rtl.h: Remove the prototypes for regmove_optimize and
15366 combine_stack_adjustments.
15368 2006-01-17 Roger Sayle <roger@eyesopen.com>
15370 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15371 (size_cost): Encode costs in bytes so that a reg-reg addition is
15372 equivalent to COSTS_N_INSNS(1).
15373 (override_options): Use the size_cost.branch_cost as the default
15374 ix86_branch_cost when optimizing for size.
15376 2006-01-18 Ben Elliston <bje@au.ibm.com>
15378 * Makefile.in (D32PBIT_FUNCS): New.
15379 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15380 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15381 D64PBIT_FUNCS and D128PBIT_FUNCS.
15382 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15383 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15385 (decnumber_dep): Define.
15386 * doc/libgcc.texi (Decimal float library routines): New node.
15387 * config/dfp-bit.h, config/dfp-bit.c: New files.
15389 2006-01-18 Ben Elliston <bje@au.ibm.com>
15391 * expr.c (emit_move_change_mode): Always adjust addresses, not
15392 just during reload. Copy replacements only during reload.
15393 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15394 emit_move_via_integer.
15396 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15398 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15399 instead of $(srcdir) and ${srcdir}.
15401 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15404 PR middle-end/11135
15405 * arm.h (struct machine_function): Add pic_reg.
15406 * arm.c (arm_pic_register): Make unsigned.
15407 (arm_override_options): Only set arm_pic_register if
15408 TARGET_SINGLE_PIC_BASE.
15409 (use_return_insn): Only test for a pic register if it is fixed.
15410 (arm_compute_save_reg0_reg12_mask): Likewise.
15411 (thumb_compute_save_reg_mask): Likewise.
15412 (legitimate_pic_operand): Factor out some known invariants.
15413 (legitimize_pic_address): If we don't have a fixed pic register,
15414 then set up a pseudo in the function entry sequence. Handle the
15415 pic base being in a pseudo.
15416 (arm_load_pic_register): Handle the pic register being in a pseudo.
15417 (arm_expand_prologue): Only set up the pic register if it is fixed.
15418 (thumb_expand_prologue): Likewise.
15419 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15420 (pic_load_addr_based_insn): Likewise.
15421 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15424 2006-01-18 Ben Elliston <bje@au.ibm.com>
15426 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15427 decimal float modes for all floating point registers.
15429 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15430 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15432 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15435 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15436 even when the pointer is not NULL.
15438 2006-01-16 Ian Lance Taylor <ian@airs.com>
15440 * common.opt (ftoplevel-reorder): New option.
15441 * cgraph.c (cgraph_asm_nodes): New global variable.
15442 (cgraph_asm_last_node): New static variable.
15443 (cgraph_order): New global variable.
15444 (cgraph_create_node): Set new order field.
15445 (cgraph_varpool_node): Likewise.
15446 (decide_is_variable_needed): Return true if not
15447 flag_toplevel_reorder.
15448 (cgraph_add_asm_node): New function.
15449 * cgraph.h (struct cgraph_node): Add order field.
15450 (struct cgraph_varpool_node): Add order field.
15451 (struct cgraph_asm_node): Define.
15452 (cgraph_asm_nodes, cgraph_order): Declare.
15453 (cgraph_add_asm_node): Declare.
15454 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15456 (cgraph_varpool_assemble_pending_decls): Call it.
15457 (cgraph_output_pending_asms): New static function.
15458 (cgraph_finalize_compilation_unit): Call it.
15459 (struct cgraph_order_sort): Define.
15460 (cgraph_output_in_order): New static function.
15461 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15462 !flag_toplevel_reorder case.
15463 * c-parser.c: Include "cgraph.h".
15464 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15466 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15467 than -fno-unit-at-a-time.
15468 * doc/invoke.texi (Option Summary): Mention
15469 -fno-toplevel-reorder.
15470 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15471 -funit-at-a-time documentation.
15473 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15474 Kazu Hirata <kazu@codesourcery.com>
15476 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15478 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15480 * Makefile.in (FUNCTION_H): New. Use it instead of
15481 function.h throughout the file.
15482 * function.h: Include tree.h.
15484 2006-01-17 Ben Elliston <bje@au.ibm.com>
15486 * recog.c: Separate some functions with whitespace.
15488 2006-01-16 Richard Henderson <rth@redhat.com>
15490 Merge from gomp branch:
15491 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15492 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15493 and rename from struct inline_data. Rename callee* to dst*;
15494 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15495 transform_new_cfg, transform_return_to_modify, and
15496 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15498 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15499 (copy_decl_for_dup): Remove.
15500 * tree-inline.c (struct inline_data): Move to header.
15501 (insert_decl_map): Export.
15502 (remap_decl): Update for member name changes. Use copy_decl hook.
15503 Allow for replacement to be a non-decl. Remove dead code.
15504 (remap_type_1): Check for existing mapping.
15505 (remap_type): Export.
15506 (remap_decls): Update for member name changes.
15507 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15508 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15509 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15510 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15511 (tree_function_versioning, build_duplicate_type): Likewise.
15512 (copy_body_r): Likewise. Export.
15513 (copy_decl_for_dup): Split into ...
15514 (copy_decl_for_dup_finish, copy_decl_to_var,
15515 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15516 (replace_ref_tree, inlining_p): Remove.
15518 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15520 * ifcvt.c (if_convert): Make it static.
15521 * rtl.h: Remove the prototype for if_convert.
15523 * local-alloc.c (local_alloc): Make it static.
15524 * rtl.h: Remove the prototype for local_alloc.
15526 * loop.c (loop_optimize): Make it static.
15527 * cfgloop.h: Remove the prototype for loop_optimize.
15530 2006-01-16 DJ Delorie <dj@redhat.com>
15532 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15535 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15537 * pa.md: Disparage copies between general and floating-point registers
15538 in 32-bit move patterns.
15540 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15543 * Makefile.in (check-%): Depend on site.exp instead of
15544 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15547 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15549 * global.c (global_alloc): Make it static.
15550 * rtl.h: Remove the prototype for global_alloc.
15552 2006-01-16 Richard Guenther <rguenther@suse.de>
15554 * tree-ssa-alias.c (struct used_part): Add write_only field.
15555 (get_or_create_used_part_for): Initialize it to true.
15556 (create_overlap_variables_for): Don't create structure variables
15557 for structures that only are written to.
15558 (find_used_portions): Handle MODIFY_EXPR to track whether a
15559 structure is only written to.
15561 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15563 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15565 * basic-block.h: Remove the prototype for
15566 partition_hot_cold_basic_blocks.
15568 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15570 * cppspec.c (lang_specific_spec_functions): Remove.
15571 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15572 * gcc.h (lang_specific_spec_functions): Remove.
15573 * gccspec.c (lang_specific_spec_functions): Remove.
15575 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15577 * combine.c (record_value_for_reg): Invalidate registers
15579 (record_dead_and_set_regs_1): Likewise, by passing them to
15580 record_value_for_reg.
15581 (record_dead_and_set_regs): Invalidate stores made by a
15582 call. We do not combine across a call, but we still
15583 relied on equivalences.
15585 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15587 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15588 vrp_int_const_binop returning non-constant nodes.
15590 2006-01-16 Paul Brook <paul@codesourcery.com>
15592 * config/m68k/m68k.c (output_move_const_into_data_reg):
15593 Output correct mnemonic for mvz and mvs.
15595 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15597 * rtl-factoring.c: Add sequence abstraction algorithm.
15598 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15599 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15601 (block_has_preserve_label): New function.
15602 * common.opt: Register new pass.
15603 * Makefile.in: Ditto.
15605 * timevar.def: Ditto.
15606 * tree-pass.h: Ditto.
15607 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15608 * rtl.h (make_jump_insn_raw): Add forward decl.
15609 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15611 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15612 Roger Sayle <roger@eyesopen.com>
15614 * fold-const.c (fold_minmax): New static function.
15615 (fold_binary) <MIN_EXPR>: Call it.
15616 <MAX_EXPR>: Likewise.
15617 * stor-layout.c (place_field): Use DECL_SIZE consistently
15618 in the computation of the new record size.
15620 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15622 * cse.c (cse_condition_code_reg): Make it static.
15623 * rtl.h: Remove the prototype for cse_condition_code_reg.
15625 * combine.c (combine_instructions): Make it static.
15626 * rtl.h: Remove the prototype for combine_instructions.
15628 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15631 * tree.c (get_file_function_name_long): Concatenate the first global
15632 object name with a string derived from the input filename of the object
15635 2006-01-16 Ben Elliston <bje@au.ibm.com>
15637 * config/i386/winnt-stubs.c: Update FSF address.
15638 * config/xtensa/ieee754-df.S: Ditto.
15639 * config/xtensa/ieee754-sf.S: Ditto.
15641 2006-01-14 Ian Lance Taylor <ian@airs.com>
15643 * ifcvt.c (noce_init_if_info): New static function, broken out of
15644 noce_process_if_block.
15645 (noce_process_if_block): Call noce_init_if_info.
15646 (check_cond_move_block): New static function.
15647 (cond_move_process_if_block): New static function.
15648 (process_if_block): Call cond_move_process_if_block.
15650 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15652 * cselib.c (hash_table): Rename to cselib_hash_table.
15653 (cselib_clear_table, discard_useless_values,
15654 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15655 cselib_init, cselib_finish): Adjust uses of hash_table.
15657 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15659 PR tree-optimization/25485
15660 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15661 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15662 is known to be false and true, respectively.
15664 2006-01-14 Richard Guenther <rguenther@suse.de>
15666 PR tree-optimization/22548
15667 PR tree-optimization/22555
15668 PR tree-optimization/22501
15669 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15670 * params.def (salias-max-array-elements): New parameter.
15671 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15672 * doc/invoke.texi (salias-max-array-elements): Document.
15673 * tree-flow-inline.h (var_can_have_subvars): We also handle
15675 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15677 * tree-ssa-structalias.c (params.h): Include.
15678 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15679 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15680 (get_constraint_for): For ADDR_EXPR operating on something
15681 containing an ARRAY_REF, add all subvars to the solution.
15682 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15683 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15684 for creating MUST_DEFs.
15685 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15687 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15689 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15691 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15692 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15693 number_of_iterations_le): New functions.
15694 (number_of_iterations_special): Removed.
15695 (number_of_iterations_exit): Do not use number_of_iterations_special.
15696 * tree.c (unsigned_type_for): Always return integer type.
15698 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15699 Richard Guenther <rguenther@suse.de>
15701 PR rtl-optimization/24257
15702 * gcse.c (find_moveable_store): Only consider a store movable
15703 when the SET_SRC of the insn can be assigned to a register.
15705 2006-01-14 Ian Lance Taylor <ian@airs.com>
15707 * tree.c (tree_not_class_check_failed): New function.
15708 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15709 (tree_not_class_check_failed): Declare.
15711 2006-01-13 Ian Lance Taylor <ian@airs.com>
15713 * reload1.c (do_output_reload): Add assertion rejecting a
15716 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15718 * combine.c (struct reg_stat): Add new fields truncation_label and
15720 (record_value_for_reg): Reset truncated_to_mode.
15721 (record_truncated_value): New function.
15722 (check_promoted_subreg): Call it. Rename to check_conversions.
15723 (combine_instructions): Rename check_promoted_subreg to
15725 (reg_truncated_to_mode): New function.
15726 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15727 (gen_lowpart_or_truncate): New function.
15728 (force_to_mode): Use it instead of gen_lowpart.
15730 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15732 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15733 VAR is a tag, not its type tag.
15735 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15737 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15738 alternatives to match style of other entries.
15739 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15741 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15743 PR tree-optimization/25771
15744 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15747 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15750 * tree-inline.c (declare_return_variable): If the return variable
15751 was marked as a non gimple complex, set the return slot variable
15752 to be a non gimple comple variable.
15754 2006-01-13 Richard Guenther <rguenther@suse.de>
15756 * builtins.c (expand_builtin_sincos): New function.
15757 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15759 (expand_builtin): Expand sincos using expand_builtin_sincos.
15761 2006-01-12 DJ Delorie <dj@redhat.com>
15763 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15764 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15765 so that constant shifts can be split.
15766 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15767 (m32c_valid_pointer_mode): Make static.
15768 (shift_gen_func_for): New.
15769 (m32c_prepare_shift): Use it. Split large const shifts into
15771 * config/m32c/predicates.md (shiftcount_operand): Allow more
15773 (longshiftcount_operand): New.
15774 * doc/md.texi (Machine Constraints): Document In6.
15776 2006-01-13 Ben Elliston <bje@au.ibm.com>
15778 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15779 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15782 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15784 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15785 to try to avoid clobbering pieces of structures when we know
15786 something about the whole structure.
15787 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15789 2006-01-13 Ben Elliston <bje@au.ibm.com>
15791 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15792 return in memory, as this is no limitation is no longer present.
15794 2006-01-12 DJ Delorie <dj@redhat.com>
15796 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15797 mova with fb, and for fb+0 -> An.
15799 * config/m32c/mov.md (peephole2): Fix enabling logic.
15801 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15802 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15803 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15804 FINI_ARRAY_SECTION_ASM_OP): Define.
15806 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15808 (m32c_legitimize_reload_address): New logic to reload FB to An.
15809 (m32c_output_reg_push): Add newline.
15810 (m32c_output_reg_pop): Likewise.
15812 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15814 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15816 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15818 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15820 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15822 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15825 2006-01-11 Ben Elliston <bje@au.ibm.com>
15827 * rtlanal.c (find_reg_note): Assert insn is not null.
15829 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15831 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15834 2006-01-11 Jeff Law <law@redhat.com>
15836 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15838 (mark_threaded_blocks, register_jump_thread): New functions.
15839 (thread_through_all_blocks): Remove unwanted argument. No
15840 longer rely on e->aux to communicate thread target info.
15841 Call mark_threaded_blocks. Release the threaded_blocks
15842 bitmap and threaded_edges vector when complete.
15843 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15844 (threaded_blocks): Remove.
15845 (tree_ssa_dominator_optimize): Remove initialization and
15846 finalization of threaded_blocks. Simplify call to
15847 thread_through_all_blocks.
15848 (thread_across_edge): Call register_jump_thread rather than
15849 storing thread information into e->aux.
15850 (free_all_edge_infos): Simplify now that e->aux is no longer
15851 used to communicate with thread_through_all_blocks.
15852 * tree-flow.h (thread_through_all_blocks): Update prototype.
15853 (register_jump_thread): Prototype.
15855 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15857 * df-core.c (df_compact_blocks, df_bb_replace): Use
15858 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15860 2006-01-11 Richard Guenther <rguenther@suse.de>
15862 PR tree-optimization/25734
15863 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15864 stop propagation after successful propagation to the LHS.
15866 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15868 * basic-block.h (control_flow_graph): Change the type of
15869 x_basic_block_info to VEC(basic_block,gc) *.
15870 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15872 (SET_BASIC_BLOCK): New.
15873 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15874 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15875 * cfgbuild.c (find_basic_blocks): Likewise.
15876 * cfglayout.c (fixup_reorder_chain): Likewise.
15877 * cfgrtl.c (create_basic_block_structure,
15878 rtl_create_basic_block): Likewise.
15879 * ifcvt.c (find_if_case_1): Likewise.
15880 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15883 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15885 * Makefile.in: Removed rotted odf.c entry.
15887 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15890 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15891 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15892 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15893 output pattern modifier, not %e.
15894 * config/cris/cris.c (cris_op_str): Update comment about pattern
15896 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15897 before falling through into...
15898 <case 'E'>: Redefined from old 'e' case.
15900 2006-01-11 Jan Hubicka <jh@suse.cz>
15903 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15905 2006-01-11 Jan Hubicka <jh@suse.cz>
15907 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15908 * i386.c (x86_decompose_lea): Kill.
15909 (ix86_rtx_costs): Kill.
15911 2006-01-11 Jan Hubicka <jh@suse.cz>
15913 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15914 * cgraph.h (cgraph_node): Add inline_decl.
15915 (cgraph_insert_node_to_hashtable): Declare.
15916 (save_inline_function_body): Declare.
15917 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15919 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15920 (cgraph_function_versioning): Update call of tree_function_versioning.
15921 (save_inline_function_body): New function.
15922 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15923 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15924 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15925 (cgraph_default_inline_p): Likewise.
15926 (cgraph_decide_inlining_incrementally): Likewise.
15927 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15928 (copy_bb): Kill saving; do updating of clones.
15929 (copy_cfg_body): Kill saving.
15930 (initialize_inlined-parameters): Likewise.
15931 (expand_call_inline): Likewise.
15933 (tree_function_versioning): New parameter "update_clones".
15934 (inlining_p): Kill saving.
15935 * tree-inline.h (tree_function_versioning): Update prototype.
15936 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15939 2006-01-11 Ian Lance Taylor <ian@airs.com>
15941 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15942 Allow undoing set of machine mode.
15943 (do_SUBST): Use enums instead of is_int.
15944 (do_SUBST_MODE): New function.
15945 (SUBST_MODE): New macro.
15946 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15947 reg and trying to replace reg_regno_rtx with a new register.
15948 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15949 (simplify_set): Use SUBST_MODE.
15950 (distribute_notes): Remove code that tried to update reg notes
15951 for regno_reg_rtx changes.
15953 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15955 PR tree-optimization/23109
15956 PR tree-optimization/23948
15957 PR tree-optimization/24123
15959 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15960 * tree-cfg.c (single_noncomplex_succ): New.
15961 * tree-flow.h (single_noncomplex_succ): Declare it.
15962 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15963 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15964 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15965 insert_bb, register_division_in, insert_reciprocals,
15966 replace_reciprocal, free_bb): New.
15967 (execute_cse_reciprocals_1): Rewritten.
15968 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15969 Do not commit any edge insertion. Always compute dominators and
15970 create the allocation pool.
15971 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15972 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15973 * targhooks.c (default_min_divistions_for_recip_mul): New.
15974 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15975 * passes.c (init_optimization_passes): Run recip after tree loop
15977 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15979 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15980 Kenneth Zadeck <zadeck@naturalbridge.com>
15982 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15983 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15984 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15985 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15986 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15987 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15988 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15989 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15990 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15991 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15992 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15993 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15994 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15995 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15996 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15997 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15998 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15999 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16000 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16001 DF_SCAN_POST_ALLOC): New macros.
16002 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16003 df_free_bb_function, df_local_compute_function, df_init_function,
16004 df_dataflow_function, df_confluence_function_0,
16005 df_confluence_function_n, df_transfer_function,
16006 df_finalizer_function, df_free_function, df_dump_problem_function,
16007 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16008 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16009 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16010 df_urec_bb_info, ) New types.
16011 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16013 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16014 df_analyze_simple_change_some_blocks,
16015 df_analyze_simple_change_one_block, df_compact_blocks,
16016 df_bb_replace, df_bb_regno_last_use_find,
16017 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16018 df_insn_regno_def_p, df_find_def, df_find_use,
16019 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16020 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16021 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16022 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16023 debug_df_chain, df_get_dependent_problem, df_chain_create,
16024 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16025 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16026 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16027 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16028 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16029 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16030 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16031 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16032 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16033 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16034 df_reorganize_refs, df_set_state, df_hard_reg_init,
16035 df_read_modify_subreg_p) New public functions.
16036 * df-core.c: The core dataflow solver and glue routines for rtl
16038 (df_init, df_add_problem, df_set_blocks, df_finish,
16039 df_hybrid_search_forward, df_hybrid_search_backward,
16040 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16041 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16042 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16043 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16044 df_reg_defined, df_find_use, df_reg_used, df_dump,
16045 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16046 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16047 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16048 debug_df_useno, reset_df_after_reload): New functions.
16049 * df-scan.c: The scanning fuctions, once in df.c, completely
16050 rewritten so that they now fully model the functionality of
16051 register usage at the backend.
16052 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16053 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16054 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16055 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16056 df_get_artificial_defs, df_get_artificial_uses,
16057 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16058 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16059 df_refs_delete, df_reorganize_refs, df_set_state,
16060 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16061 df_def_record_1, df_defs_record, df_uses_record,
16062 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16063 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16064 df_record_exit_block_uses, df_hard_reg_init): New functions.
16066 * df-problems.c: Seven concrete dataflow problems that use the
16067 scanning in df-scan.c and are solved by the engine in df-core.c.
16068 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16069 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16070 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16071 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16072 df_ru_free_bb_info, df_ru_alloc,
16073 df_ru_bb_local_compute_process_def,
16074 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16075 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16076 df_ru_transfer_function, df_ru_free, df_ru_dump,
16077 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16078 df_rd_free_bb_info, df_rd_alloc,
16079 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16080 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16081 df_rd_transfer_function, df_rd_free, df_rd_dump,
16082 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16083 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16084 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16085 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16086 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16087 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16088 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16089 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16090 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16091 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16092 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16093 df_urec_mark_reg_use_for_earlyclobber,
16094 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16095 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16096 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16097 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16098 df_chain_create_bb_process_use, df_chain_create_bb,
16099 df_chain_finalize, df_chain_free, df_chains_dump,
16100 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16101 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16102 df_reg_lifetime): New functions.
16103 * df.c: Deleted file.
16104 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16105 consistent with new df api.
16106 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16107 rest_of_handle_sms): Ditto.
16108 * web.c (unionfind_union, union_defs, entry_register, web_main):
16110 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16111 invariant_expr_equal_p, find_defs, check_dependencies,
16112 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16113 free_inv_motion_data, move_loop_invariants): Ditto.
16114 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16115 Update dependencies.
16116 (odf.c): Added defective entry that was deleted later in day.
16117 * sched-deps.c (sched_analyze_1): Ditto.
16119 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16121 * tree-ssa-operands.c (get_expr_operands): Record addressable
16122 variables directly. Do not call add_stmt_operands for CONST_DECLs
16124 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16125 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16127 2006-01-11 Ben Elliston <bje@au.ibm.com>
16129 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16130 function returns true in the positive case.
16132 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16135 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16136 for SI, DI, SF and DF modes. Add alternatives to copy between
16137 general and floating point registers to the 32-bit patterns.
16138 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16139 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16140 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16141 generating 64-bit code.
16142 * config/pa/pa.c (output_move_double): Handle copies between general
16143 and floating registers.
16145 2006-01-10 Stuart Hastings <stuart@apple.com>
16147 * config/i386/i386.md (set_got): Update.
16148 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16149 (builtin_setjmp_receiver): Mach-O support.
16150 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16151 (GOT_SYMBOL_NAME): Define.
16152 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16153 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16154 * config/i386/i386.c (override_options): Revise for Darwin.
16155 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16156 support. (darwin_x86_file_end): New. (output_set_got): Add label
16157 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16158 * config/i386/i386-protos.h (output_set_got): Likewise.
16159 * config/darwin.c (machopic_legitimize_pic_address): Update
16162 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16164 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16165 when MODE isn't BLKmode.
16167 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16169 PR rtl-optimization/25367
16170 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16172 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16175 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16176 for a negative bound.
16178 2006-01-10 Richard Guenther <rguenther@suse.de>
16180 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16181 Never override with anything constraint.
16183 2006-01-10 Jan Beulich <jbeulich@novell.com>
16185 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16186 256 bits when optimize_size.
16188 2006-01-10 Jan Beulich <jbeulich@novell.com>
16190 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16192 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16193 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16196 2006-01-10 Ben Elliston <bje@au.ibm.com>
16198 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16200 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16201 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16202 (USE_FP_FOR_ARG): Reject decimal float modes.
16203 (function_arg_advance): Likewise.
16204 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16205 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16206 point types in AltiVec vectors.
16207 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16208 (rs6000_libcall_value): Likewise.
16210 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16212 * config/xtensa/ieee754-df.S: New file.
16213 * config/xtensa/ieee754-sf.S: New file.
16214 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16215 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16216 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16218 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16220 * config/sh/predicates.md (binary_float_operator,
16221 binary_logical_operator, commutative_float_operator,
16222 equality_comparison_operator, greater_comparison_operator,
16223 less_comparison_operator, logical_operator,
16224 noncommutative_float_operator, shift_operator,
16225 symbol_ref_operand, unary_float_operator): Remove redundant
16228 2006-01-09 Jeff Law <law@redhat.com>
16230 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16231 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16232 now unused arguments. Callers updated.
16233 (eliminate_redundant_computations): Remove now unused arguments,
16235 (local_fold): Remove, no longer used.
16236 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16238 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16239 (simplify_cond): New function.
16240 (forward_propagate_into_cond): Call simplify_cond.
16242 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16244 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16245 (*vec_extractv2di_1_sse): New.
16247 2006-01-09 Ben Elliston <bje@au.ibm.com>
16249 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16251 2006-01-08 Richard Guenther <rguenther@suse.de>
16253 * tree-ssa-structalias.c (get_constraint_for): Remove
16254 anyoffset argument.
16255 (get_constraint_for_component_ref): Likewise.
16256 (do_deref): Likewise.
16257 (get_constraint_for): Likewise.
16258 (do_structure_copy): Likewise.
16259 (handle_ptr_arith): Likewise.
16260 (find_func_aliases): Likewise. Remove unused need_anyoffset
16263 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16264 Kaz Kojima <kkojima@gcc.gnu.org>
16266 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16267 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16268 (EXTRA_CONSTRAINT_C16): Remove.
16269 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16270 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16271 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16272 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16273 constants of SHmedia. Handle nested constant expressions of
16275 (andcosts): Fix the costs for SHmedia constants.
16276 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16277 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16278 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16279 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16280 (movv4hi_i, movv2si_i): Likewise.
16281 (movsi_const): Adjust the second operand of ior so to match with
16282 the Csu constraint.
16283 (movdi_const, movdi_const_32bit): Likewise.
16284 (movdi_const_16bit+1): Don't sign-extend LOW.
16285 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16287 (*double_shori): Fix the split condition. Use GEN_INT instead
16288 of get_int_mode calls. Mask lower 16-bit of the argument of
16290 (sym2GOTPLT): Remove.
16291 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16293 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16294 instead of EXTRA_CONSTRAINT_C16.
16296 2006-01-07 Ian Lance Taylor <ian@airs.com>
16297 David Edelsohn <edelsohn@gnu.org>
16299 PR rtl-optimization/25662
16300 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16301 for constant operands instead of simplify_gen_binary.
16302 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16303 after trying simplify_binary_operation
16305 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16307 * tree.c (iterative_hash_expr): Hash decls based on UID.
16309 2006-01-06 Eric Christopher <echristo@apple.com>
16311 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16312 (TARGET_UNWIND_EMIT): Fix spelling.
16313 * target.h (gcc_target): Add except_table_label.
16314 * except.c (output_function_exception_table): Use.
16315 * varasm.c (default_emit_except_table_label): New.
16316 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16318 (asm_out): Add here.
16319 * output.h (default_emit_except_table_label): Prototype.
16320 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16321 * config/darwin.c (darwin_emit_except_table_label): Define.
16322 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16324 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16326 PR tree-optimization/18527
16327 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16328 number_of_iterations_special, number_of_iterations_exit):
16329 Move base and step of an iv to a single structure. Add
16330 no_overflow flag, and use it in # of iterations analysis.
16331 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16332 folded_casts argument.
16333 (simple_iv): Pass base and step in a structure. Set no_overflow
16335 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16336 Evaluate expensiveness of computing # of iterations instead of
16337 the final expression.
16338 * tree-scalar-evolution.h (affine_iv): New structure.
16339 (simple_iv): Declaration changed.
16340 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16341 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16342 find_givs_in_stmt): Changed due to simple_iv change.
16344 2006-01-06 Jeff Law <law@redhat.com>
16347 * tree-cfg.c (bsi_replace): Rename final argument from
16348 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16349 change (stmt -> orig_stmt).
16350 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16351 (bsi_remove): Add new argument. Remove EH information
16353 (verify_eh_throw_table_statements): New function.
16354 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16356 * tree-optimize.c (execute_free_cfg_annotations): Verify
16357 the EH throw statement table after removing annotations.
16358 * except.h (verify_eh_throw_table_statements): Prototype.
16359 * tree-flow.h (bsi_remove): Update prototype.
16360 * tree-vrp.c (remove_range_assertions): Add new argument to
16362 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16363 * tree-complex.c (expand_complex_div_wide): Likewise.
16364 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16365 * tree-tailcall.c (eliminate_tailcall): Likewise.
16366 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16367 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16368 * tree-nrv.c (tree_nrv): Likewise.
16369 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16370 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16371 (combine_blocks): Likewise.
16372 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16373 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16374 (cleanup_control_flow): Likewise.
16375 (remove_forwarder_block): Likewise.
16376 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16377 * tree-sra.c (sra_replace): Likewise.
16378 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16379 (forward_propagate_single_use_vars): Likewise.
16380 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16381 * tree-inline.c (expand_call_inline): Likewise.
16382 * tree-vect-transform.c (vect_transform_loop): Likewise.
16383 * tree-outof-ssa.c (rewrite_trees): Likewise.
16384 * tree-cfg.c (make_goto_expr_edges): Likewise.
16385 (cleanup_dead_labels): Likewise.
16386 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16387 (bsi_move_before, bsi_move_after): Likewise.
16388 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16389 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16391 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16394 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16396 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16397 on non gimple variables. Also add checks at the top for decls and
16399 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16401 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16402 and IMAGPART_EXPR for creating MUST_DEFs.
16403 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16404 and NAME_MEMORY_TAG separately from the DECLs.
16406 2006-01-06 Richard Guenther <rguenther@suse.de>
16408 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16409 annotation, if necessary.
16410 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16411 redundant calls to update_stmt.
16412 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16415 2006-01-05 Richard Henderson <rth@redhat.com>
16417 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16419 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16421 * c-typeck.c: Update copyright date.
16423 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16425 * c-typeck.c (build_c_cast): Always warn when casting
16426 from a pointer to an integer of different size, even if
16427 the node was constant.
16429 2006-01-05 Richard Guenther <rguenther@suse.de>
16431 PR tree-optimization/22555
16432 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16433 if one structure field is an array.
16434 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16435 operands even if we found a subvar, but ignore VOPs in this
16437 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16439 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16441 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16443 PR middle-end/24998
16444 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16446 2006-01-05 Richard Guenther <rguenther@suse.de>
16447 Diego Novillo <dnovillo@redhat.com>
16449 * tree-pass.h (TODO_remove_unused_locals): Define.
16450 * gimple-low.c (expand_var_p, remove_useless_vars,
16451 pass_remove_useless_vars): Remove. Update all users.
16452 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16453 (remove_unused_locals): New function.
16454 * tree-flow.h (remove_unused_locals): Declare.
16455 * passes.c (execute_todo): Call remove_unused_locals if
16456 TODO_remove_unused_locals is set.
16457 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16458 * tree-ssa-dce.c (pass_dce): Likewise.
16459 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16461 2006-01-05 Richard Guenther <rguenther@suse.de>
16463 * tree-flow.h (struct fieldoff): Decompose field to
16464 type, size and decl.
16465 * tree-ssa-alias.c (create_sft): Take type as parameter.
16466 (create_overlap_variables_for): Store type, size and decl
16467 in the fieldoff structure.
16468 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16469 of struct fieldoff.
16470 (push_fields_onto_fieldstack): Likewise.
16471 (create_variable_info_for): Likewise. Use offset for the
16472 SFT name if the decl is not available.
16474 2006-01-04 Paul Brook <paul@codesourcery.com>
16476 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16478 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16480 * lambda-code.c (can_put_in_inner_loop): Relax
16482 (can_put_after_inner_loop): New function.
16483 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16484 (perfect_nestify): Change to make copies and modify uses.
16486 2006-01-04 Richard Henderson <rth@redhat.com>
16488 Merge from gomp branch:
16489 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16490 via integer constant.
16491 (pragma_lex): Remove.
16492 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16493 rather than parsing it.
16494 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16495 handle_pragma_extern_prefix): Add %< %> quotes.
16496 (registered_pragmas): New.
16497 (c_register_pragma_1): New.
16498 (c_register_pragma): Use it.
16499 (c_register_pragma_with_expansion): Likewise.
16500 (c_invoke_pragma_handler): New.
16501 (init_pragma): Use cpp_register_deferred_pragma directly for
16503 * c-pragma.h (enum pragma_kind): New.
16504 (pragma_handler): New.
16505 (c_invoke_pragma_handler): Declare.
16506 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16508 * c-common.h (c_common_pch_pragma): Update decl.
16509 * Makefile.in (c-parser.o): Update dependencies.
16510 (GTFILES): Add c-pragma.h.
16511 * c-parser.c (struct c_token): Add pragma_kind.
16512 (struct c_parser): Add in_pragma.
16513 (c_lex_one_token): Always initialize keyword and pragma_kind.
16514 Extract data for CPP_PRAGMA.
16515 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16516 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16517 Don't allow CPP_PRAGMA_EOL if in_pragma.
16518 (c_parser_consume_pragma): New.
16519 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16520 (c_parser_skip_to_end_of_parameter): Likewise.
16521 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16522 (c_parser_skip_to_pragma_eol): New.
16523 (c_parser_external_declaration): Handle CPP_PRAGMA.
16524 (c_parser_compound_statement_nostart): Likewise.
16525 (c_parser_statement_after_labels): Likewise.
16526 (c_parser_pragma): New.
16527 (pragma_lex): Likewise.
16528 (c_parser_pragma_pch_preprocess): New.
16529 (c_parser_new): Merge into ...
16530 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16532 2006-01-04 Jeff Law <law@redhat.com>
16535 * tree-cfg.c (bsi_replace): Remove the original statement
16536 from the EH throw statement table.
16538 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16540 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16541 make the prototype extern "C" and add throw ().
16544 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16545 and pos non-negative and pos + len <= 32.
16546 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16547 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16548 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16551 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16552 as well as sizes not multiple of component size.
16555 * function.c (instantiate_expr): New function.
16556 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16557 walk its DECL_VALUE_EXPR with instantiate_expr.
16559 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16560 DW_OP_deref{,_size} if address isn't going to be added.
16562 2006-01-04 Ben Elliston <bje@au.ibm.com>
16564 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16565 * config/fp-bit.c: Likewise.
16567 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16569 * dominance.c: Add comment about why we use DFS numbering
16572 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16573 Richard Henderson <rth@redhat.com>
16575 Merge from gomp-branch:
16576 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16577 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16579 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16581 PR rtl-optimization/25578
16582 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16583 pass a parameter to simplify_shift_const if changing ASHIFTRT
16586 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16588 * builtins.c (get_builtin_sync_mem): New function.
16589 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16590 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16591 Call get_builtin_sync_mem to generate mem rtx.
16593 2006-01-03 Richard Guenther <rguenther@suse.de>
16596 * stmt.c (add_case_node): Make sure to clear overflow flags
16599 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16601 Merge from gomp-branch.
16602 * config/sparc/sync.md: New file.
16603 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16604 UNSPECV_LDSTUB): New constants.
16605 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16606 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16607 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16610 2006-01-03 Roger Sayle <roger@eyesopen.com>
16612 * combine.c (reg_subword_p): New predicate to test whether the
16613 destination of a set refers to a subword/piece of a register.
16614 (try_combine): Generalize the code to merge the setting of a
16615 pseudo to a constant followed by a set of a subword of that
16616 register to a constant.
16618 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16620 * basic-block.h (control_flow_graph): Change the type of
16621 x_label_to_block_map to VEC(basic_block,gc) *.
16622 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16623 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16625 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16626 VEC(basic_block,heap) *.
16627 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16628 ssa_prop_fini): Adjust the uses of cfg_blocks.
16630 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16632 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16634 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16635 hashing trees instead of a pointer hash.
16636 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16637 compare for MEM_EXPR.
16639 PR rtl-optimization/25130
16640 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16641 when comparing MEMs for GCSE
16643 2006-01-03 Ben Elliston <bje@au.ibm.com>
16645 * targhooks.h (default_decimal_float_supported_p): Declare.
16646 * targhooks.c (default_decimal_float_supported_p): Define.
16647 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16648 `default_decimal_float_supported_p'.
16649 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16651 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16653 * combine.c (apply_distributive_law <SUBREG>): Check
16654 TRULY_NOOP_TRUNCATION.
16656 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16658 * dwarf2out.c (have_switched_text_section): Delete.
16659 (have_multiple_function_sections): New.
16660 (have_location_lists): Make 'bool'.
16661 (add_AT_loc_list): Use 'true' not '1'.
16662 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16663 (output_loc_list): Use have_multiple_function_sections.
16664 (output_ranges): Likewise.
16665 (dwarf2out_begin_function): Set have_multiple_function_sections if
16667 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16668 Check function_section rather than DECL_SECTION_NAME.
16669 (dwarf2out_finish): Use have_multiple_function_sections.
16670 Don't clear have_location_lists.
16672 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16673 Jan Hubicka <jh@suse.cz>
16675 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16676 case of conditional jump jumping to the next instruction.
16677 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16678 cases of conditional jump jumping to the next instruction.
16680 2006-01-02 Jan Hubicka <jh@suse.cz>
16682 * i386.c (*_cost): Add COSTS_N_INSNS.
16683 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16685 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16688 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16690 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16692 * config/arm/arm.c (all_fpus): Fix comment typo.
16693 * config/darwin.c: Likewise.
16694 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16695 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16696 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16698 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16700 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16701 (rs6000_split_compare_and_swapqhi): New.
16702 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16703 (sync_compare_and_swapqhi_internal): New.
16704 * config/rs6000/rs6000-protos.h: Declare.