1 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4 (NON_QI_REG_P): Use IN_RANGE.
5 (REX_INT_REGNO_P): Use IN_RANGE.
6 (FP_REGNO_P): Use IN_RANGE.
7 (SSE_REGNO_P): Use IN_RANGE.
8 (REX_SSE_REGNO_P): Use IN_RANGE.
9 (MMX_REGNO_P): Use IN_RANGE.
10 (STACK_REGNO_P): New macro.
11 (STACK_REG_P): Use STACK_REGNO_P.
12 (NON_STACK_REG_P): Use STACK_REGNO_P.
13 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
14 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
15 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
16 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
17 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
19 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
21 * except.h (output_function_exception_table): Add 'const char*' param.
22 * except.c (switch_to_exception_section): Add 'const char*' param.
23 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
24 and flag_function_sections is set, use a function-specific section.
25 (output_function_exception_table): Add 'const char*' param.
26 Adjust call to switch_to_exception_section.
27 * final.c (rest_of_handle_final): Adjust calls to
28 output_function_exception_table.
29 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
30 * config.in: Regenerate.
31 * configure: Likewise.
33 2006-10-28 Richard Guenther <rguenther@suse.de>
36 * fold-const.c (maybe_canonicalize_comparison_1): Helper
37 for maybe_canonicalize_comparison.
38 (maybe_canonicalize_comparison): New function for canonicalizing
40 (fold_comparison): Call it to canonicalize comparisons with
43 2006-10-28 Richard Guenther <rguenther@suse.de>
46 * builtins.c (expand_builtin_int_roundingfn_2): Expand
47 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
48 (expand_builtin): Adjust likewise.
49 * genopinit.c (optabs[]): Add lround optab.
50 * optabs.c (init_optabs): Initialize lround_optab.
51 * optabs.h (enum convert_optab_index): Add COI_lround.
52 (lround_optab): Define.
53 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
54 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
56 (ix86_expand_lround): New function.
57 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
59 * doc/md.texi (lroundMN2): Document.
61 2006-10-28 Uros Bizjak <uros@kss-loka.si>
64 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
65 argument to HOST_WIDE_INT. Update function prototype.
66 (round_frame_size): Change return type to HOST_WIDE_INT. Change
67 "size" argument to HOST_WIDE_INT. Update function prototype.
69 2006-10-28 Uros Bizjak <uros@kss-loka.si>
71 * config/i386/i386.c (output_387_ffreep): Create output from a
72 template string for !HAVE_AS_IX86_FFREEP.
74 2006-10-27 Eric Christopher <echristo@apple.com>
76 * config/darwin.c: Fix formatting and grammar.
78 2006-10-27 Jan Hubicka <jh@suse.cz>
80 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
81 to be thrown away soon when IGNORE is set.
82 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
83 indicating when return value shall not be computed.
84 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
86 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
88 * config/i386/i386.h (TARGET_GEODE):
89 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
90 (TARGET_CPU_DEFAULT_geode): New macro.
91 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
92 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
93 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
94 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
95 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
97 (TARGET_CPU_DEFAULT_NAMES): Add geode.
98 (processor_type): Add PROCESSOR_GEODE.
100 * config/i386/i386.md: Include geode.md.
103 * config/i386/i386.c (geode_cost): New initialized global
105 (m_GEODE, m_K6_GEODE): New macros.
106 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
107 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
108 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
109 x86_schedule): Use m_K6_GEODE instead of m_K6.
110 (x86_movx, x86_cmove): Set up m_GEODE.
111 (x86_integer_DFmode_moves): Clear m_GEODE.
112 (processor_target_table): Add entry for geode.
113 (processor_alias_table): Ditto.
115 * config/i386/geode.md: New file.
117 * doc/invoke.texi: Add entry about geode processor.
119 2006-10-27 Mike Stump <mrs@apple.com>
121 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
122 __DYNAMIC__ from here back to ...
123 * config/darwin.h (CPP_SPEC): ... here.
125 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
126 Nathan Sidwell <nathan@codesourcery.com>
128 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
129 when choosing the minimum heapsize.
131 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
133 * gcc/unwind-dw2.h: Move cfa-related variables into
134 struct frame_state_reg_info to ensure that the CFA is properly
135 handled when executing DW_CFA_{remember,restore}_state.
136 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
137 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
138 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
139 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
140 gcc/config/rs6000/linux-unwind.h,
141 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
142 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
143 Modify to use new cfa_* fields.
145 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
147 * config/s390/s390.c (s390_init_frame_layout): Check positive
150 2006-10-26 Ben Elliston <bje@au.ibm.com>
152 * gimplify.c (get_name): Remove extraneous break.
153 (gimplify_omp_for): Initialise ret with GS_OK.
155 2006-10-25 Steve Ellcey <sje@cup.hp.com>
157 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
158 Add unix98.o to link line.
160 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
163 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
164 Calculate compile-time constants using MPFR.
165 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
166 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
168 2006-10-25 Bob Wilson <bob.wilson@acm.org>
170 * config/xtensa/lib2funcs.S: Use C-style comments.
172 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
174 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
175 (file_table_relative_p): Likewise.
176 (dwarf2out_finish): Likewise.
177 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
179 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
181 * tree-ssa-structalias.c (intra_create_variable_infos):
182 Don't recreate nonlocal_all if it already exists.
184 2006-10-25 Richard Guenther <rguenther@suse.de>
187 * optabs.h (enum optab_index): Remove OTI_lrint.
188 (enum convert_optab_index): Add COI_lrint.
189 (lrint_optab): Adjust.
190 (expand_sfix_optab): Declare.
191 * optabs.c (expand_sfix_optab): New function.
192 (init_optabs): Init lrint_optab as conversion optab.
193 * genopinit.c (lrint_optab): Change to a conversion optab.
194 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
195 expansion via conversion optab.
196 * config/i386/i386.md (*fistdi2_1): Remove
197 flag_unsafe_math_optimizations guard.
198 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
199 fist<mode>2_with_temp): Likewise.
200 (lrint<mode>2): Split into...
201 (lrintxf<mode>2): ... x87 part
202 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
203 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
204 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
205 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
206 * doc/md.texi (lrintMN2): Document.
208 2006-10-25 Uros Bizjak <uros@kss-loka.si>
211 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
212 Use inc and dec instructions for TARGET_USE_INCDEC.
213 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
214 ("sync_double_compare_and_swap<mode>"): Likewise.
215 ("*sync_double_compare_and_swapdi_pic"): Likewise.
216 ("*sync_compare_and_swap_cc<mode>"): Likewise.
217 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
218 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
219 ("sync_old_add<mode>"): Likewise.
220 ("sync_lock_test_and_set<mode>"): Likewise.
221 ("sync_lock_test_and_set<mode>"): Likewise.
222 ("sync_add<mode>"): Likewise.
223 ("sync_sub<mode>"): Likewise.
224 ("sync_ior<mode>"): Likewise.
225 ("sync_and<mode>"): Likewise.
226 ("sync_xor<mode>"): Likewise.
228 2006-10-25 Uros Bizjak <uros@kss-loka.si>
230 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
231 (remainder_optab): Define corresponding macro.
232 (drem_optab): Remove.
233 * optabs.c (init_optabs): Initialize remainder_optab. Remove
234 drem_optab initialization.
235 * genopinit.c (optabs): Implement remainder_optab using
236 remainder?f3 patterns. Remove drem_optab.
237 * builtins.c (expand_builtin_mathfn_2): Handle
238 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
239 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
240 expand_builtin_mathfn_2.
242 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
243 depend on flag_unsafe_math_optimizations.
245 * config/i386/i386.md ("remaindersf3", "remainderdf3")
246 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
247 Do not depend on flag_unsafe_math_optimizations. Use
248 truncxf?f expander instead of truncxf?f_i387_noop.
250 ("fpremxf4", "fprem1xf4"): Do not depend on
251 flag_unsafe_math_optimizations.
252 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
253 flag_unsafe_math_optimizations. Use truncxf?f expander
254 instead of truncxf?f_i387_noop.
256 * doc/md.texi (fmod, remainder): Document standard named pattern.
258 2006-10-24 Richard Sandiford <richard@codesourcery.com>
259 David Daney <ddaney@avtrex.com>
262 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
264 2006-10-25 Ben Elliston <bje@au.ibm.com>
266 * doc/extend.texi (Variable Attributes): Typo fix.
268 2006-10-24 Uros Bizjak <uros@kss-loka.si>
270 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
271 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
272 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
273 (FRAME_POINTER_REGNUM): Update register number to 21.
274 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
275 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
277 * config/i386/i386.c (regclass_map): Add fpcr entry.
278 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
280 (print_reg): Assert REGNO (x) != FPCR_REG.
282 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
283 (DIRFLAG_REG): Renumber.
284 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
285 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
286 (sse_prologue_save, *sse_prologue_save_insn): Renumber
287 hardcoded SSE register numbers.
289 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
290 hardcoded MMX register numbers.
292 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
295 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
296 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
298 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
299 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
300 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
301 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
303 2006-10-24 Richard Guenther <rguenther@suse.de>
306 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
307 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
308 for deciding optimizations in consistency with fold-const.c
309 (fold_builtin_unordered_cmp): Likewise.
311 2006-10-24 Richard Guenther <rguenther@suse.de>
313 * builtins.c (fold_builtin_floor): Fold floor (x) where
314 x is nonnegative to trunc (x).
315 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
316 nonnegative to FIX_TRUNC_EXPR.
318 2006-10-24 Richard Guenther <rguenther@suse.de>
320 PR tree-optimization/29567
321 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
322 for TRUTH_NOT_EXPR. Clarify comments.
324 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
327 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
328 at compile-time using MPFR. Change parameter VALUE to FUNC,
330 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
331 for overflow and underflow at all times and avoid folding in
334 2006-10-24 Ben Elliston <bje@au.ibm.com>
336 * reload1.c: Formatting fixes.
338 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
340 PR tree-optimization/14784
341 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
342 * tree-ssa-structalias.c (get_constraint_for,
343 intra_create_variable_infos): Set is_heapvar.
344 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
345 non-heapvar pointer variables specially.
347 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
350 * builtins.c (fold_builtin_sin, fold_builtin_cos,
351 fold_builtin_tan): Fold all constant arguments. Take a "type"
352 argument as necessary.
354 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
356 2006-10-23 Bob Wilson <bob.wilson@acm.org>
358 * config/xtensa/lib1funcs.asm: Use C-style comments.
360 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
362 * tree.c (local_define_builtin): Replace calls to
363 lang_hooks.builtin_function with add_builtin_function.
364 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
366 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
368 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
369 common code to add_builtin_function.
370 * langhooks.c (add_builtin_function): New function.
371 (lhd_builtin_function): New function.
372 * langhooks.h (struct lang_hooks): Change the signature of
374 (add_builtin_function): New function.
375 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
376 calls to lang_hooks.builtin_function with add_builtin_function.
377 * c-common.c (decl_builtin_1): Replace calls to
378 lang_hooks.builtin_function with add_builtin_function.
379 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
380 lang_hooks.builtin_function with add_builtin_function.
381 * config/frv/frv.c (def_builtin): Replace calls to
382 lang_hooks.builtin_function with add_builtin_function.
383 * config/s390/s390.c (s390_init_builtins): Replace calls to
384 lang_hooks.builtin_function with add_builtin_function.
385 * config/sparc/sparc.c (def_builtin): Replace calls to
386 lang_hooks.builtin_function with add_builtin_function.
387 * config/i386/i386.c (def_builtin): Replace calls to
388 lang_hooks.builtin_function with add_builtin_function.
389 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
390 lang_hooks.builtin_function with add_builtin_function.
391 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
392 lang_hooks.builtin_function with add_builtin_function.
393 * config/stormy16/stormy16.c (xstormy16_init_builtins):
394 Replace calls to lang_hooks.builtin_function with
395 add_builtin_function.
396 * config/iq2000/iq2000.c (def_builtin):
397 Replace calls to lang_hooks.builtin_function with
398 add_builtin_function.
399 * config/ia64/ia64.c (def_builtin): Replace calls to
400 lang_hooks.builtin_function with add_builtin_function.
401 * config/rs6000/rs6000.c (def_builtin): Replace calls to
402 lang_hooks.builtin_function with add_builtin_function.
403 (altivec_init_builtins): Replace calls to
404 lang_hooks.builtin_function with add_builtin_function.
405 * config/arm/arm.c (def_mbuiltin): Replace calls to
406 lang_hooks.builtin_function with add_builtin_function.
407 (arm_init_tls_builtins): Replace calls to
408 lang_hooks.builtin_function with add_builtin_function.
409 * config/mips/mips.c (mips_init_builtins): Replace calls to
410 lang_hooks.builtin_function with add_builtin_function.
411 * config/bfin/bfin.c (def_builtin): Replace calls to
412 lang_hooks.builtin_function with add_builtin_function.
413 * langhooks-def.h (lhd_builtin_function): New function.
414 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
416 2006-10-23 Jakub Jelinek <jakub@redhat.com>
418 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
419 BUILT_IN_STRNCAT_CHK.
421 2006-10-23 Jan Hubicka <jh@suse.cz>
423 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
424 don't do conversion from memmove to memcpy here.
425 (expand_builtin_bcopy, expand_builtin): Update call of
426 expand_builtin_memmove.
427 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
429 2006-10-23 Paul Brook <paul@codesourcery.com>
431 * stor-layout.c (start_record_layout): maximum_field_alignment
432 overrides STRUCTURE_SIZE_BOUNDARY.
434 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
436 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
437 nonlocal function symbols if flag_pic.
439 2006-10-23 Richard Guenther <rguenther@suse.de>
443 * builtins.c (fold_binary): Remove checks for flag_wrapv
444 and flag_trapv where negate_expr_p covers these cases.
446 2006-10-23 Richard Guenther <rguenther@suse.de>
449 * fold-const.c (fold_plusminus_mult_expr): Check exact power
450 of two on the absolute value.
451 (fold_binary): Fold x * -C to -x * C if x is easily negatable
452 and negating -C does not overflow.
454 2006-10-23 Richard Guenther <rguenther@suse.de>
457 * convert.c (convert_to_real): Fold (float)-x to -(float)x
458 only if not flag_rounding_math.
460 2006-10-22 Richard Sandiford <richard@codesourcery.com>
461 Kaz Kojima <kkojima@gcc.gnu.org>
464 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
465 SImode memory reference for the source of a movua.
466 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
467 (movua): Use an unspec instead of sign_extract. Expect the source
468 to have mode BLKmode.
469 (extv, insv): Use a BLKmode rather than SImode memory reference
470 for the source of a movua.
472 2006-10-22 Jeff Law <law@redhat.com>
473 Richard Guenther <rguenther@suse.de>
475 PR tree-optimization/15911
476 * tree-vrp.c (extract_code_and_val_from_cond): New function.
477 (register_edge_assert_for_1): Likewise.
478 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
479 (find_conditional_asserts): Adjust for new function signature.
480 (find_assert_locations): Likewise.
482 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
484 * config/i386/tmmintrin.h: Remove the duplicated content.
486 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
488 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
489 (x86_64-*-*): Likewise.
491 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
492 (override_options): Check SSSE3.
493 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
494 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
495 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
496 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
497 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
498 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
499 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
500 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
501 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
502 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
503 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
504 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
505 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
506 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
507 IX86_BUILTIN_PABSD128.
508 (bdesc_2arg): Add SSSE3.
509 (bdesc_1arg): Likewise.
510 (ix86_init_mmx_sse_builtins): Support SSSE3.
511 (ix86_expand_builtin): Likewise.
512 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
514 * config/i386/i386.md (UNSPEC_PSHUFB): New.
515 (UNSPEC_PSIGN): Likewise.
516 (UNSPEC_PALIGNR): Likewise.
517 Include mmx.md before sse.md.
519 * config/i386/i386.opt: Add -mssse3.
521 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
522 (ssse3_phaddwv4hi3): Likewise.
523 (ssse3_phadddv4si3): Likewise.
524 (ssse3_phadddv2si3): Likewise.
525 (ssse3_phaddswv8hi3): Likewise.
526 (ssse3_phaddswv4hi3): Likewise.
527 (ssse3_phsubwv8hi3): Likewise.
528 (ssse3_phsubwv4hi3): Likewise.
529 (ssse3_phsubdv4si3): Likewise.
530 (ssse3_phsubdv2si3): Likewise.
531 (ssse3_phsubswv8hi3): Likewise.
532 (ssse3_phsubswv4hi3): Likewise.
533 (ssse3_pmaddubswv8hi3): Likewise.
534 (ssse3_pmaddubswv4hi3): Likewise.
535 (ssse3_pmulhrswv8hi3): Likewise.
536 (ssse3_pmulhrswv4hi3): Likewise.
537 (ssse3_pshufbv16qi3): Likewise.
538 (ssse3_pshufbv8qi3): Likewise.
539 (ssse3_psign<mode>3): Likewise.
540 (ssse3_psign<mode>3): Likewise.
541 (ssse3_palignrti): Likewise.
542 (ssse3_palignrdi): Likewise.
543 (abs<mode>2): Likewise.
544 (abs<mode>2): Likewise.
546 * config/i386/tmmintrin.h: New file.
548 * doc/extend.texi: Document SSSE3 built-in functions.
550 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
552 2006-10-22 Ira Rosen <irar@il.ibm.com>
554 * tree-vect-transform.c (vectorizable_load): Use the type of the
555 return value of the mask_for_load builtin to create realign_load
558 2006-10-22 Richard Sandiford <richard@codesourcery.com>
560 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
563 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
565 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
566 (UNSPEC_LDDQU): This.
567 * config/i386/sse.md (sse3_lddqu): Updated.
569 2006-10-21 Richard Guenther <rguenther@suse.de>
571 * builtins.c (expand_builtin_int_roundingfn_2): New function.
572 (expand_builtin): Use it to expand lrint instead of
573 expand_builtin_mathfn.
575 2006-10-21 Uros Bizjak <uros@kss-loka.si>
578 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
579 flag_unsafe_math_optimizations is set.
581 2006-10-21 Uros Bizjak <uros@kss-loka.si>
584 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
585 patterns to use memory input operand in x87->mem->XMM
586 reload sequences. Skip transformation for TARGET_K8.
588 2006-10-21 Uros Bizjak <uros@kss-loka.si>
590 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
591 force operand1 to register if both operands are memory operands.
592 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
593 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
594 if both operands are memory operands.
595 (truncdfsf2): Do not force operand1 to register if both operands
598 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
600 * Makefile.in (LIBS): Add $(GMPLIBS).
601 * doc/install.texi: Update GMP and MPFR requirements.
602 * doc/sourcebuild.texi (need_gmp): Delete.
604 2006-10-21 Richard Guenther <rguenther@suse.de>
606 PR tree-optimization/3511
607 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
608 got new invariant arguments during PHI translation.
610 2006-10-21 Richard Guenther <rguenther@suse.de>
613 * fold-const.c (fold_comparison): Fold signed comparisons
614 of the form X +- C1 CMP Y +- C2.
616 2006-10-21 Richard Guenther <rguenther@suse.de>
619 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
620 if flag_unsafe_math_optimizations is specified. We have
621 flag_finite_math_only for that.
622 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
623 or flag_unsafe_math_optimizations.
625 2006-10-21 Richard Guenther <rguenther@suse.de>
627 * builtins.c (fold_builtin_classify): Fix typo.
629 2006-10-21 Richard Guenther <rguenther@suse.de>
632 * simplify-rtx.c (simplify_const_relational_operation):
633 Do not constant-fold ORDERED and UNORDERED for
634 flag_unsafe_math_optimizations but only we do not need to
635 honor NaNs for the given mode.
637 2006-10-21 Richard Guenther <rguenther@suse.de>
640 * config/i386/i386.c (classify_argument): Remove redundant
641 walking of the BINFOs.
642 (contains_128bit_aligned_vector_p): Likewise.
644 2006-10-20 Mark Mitchell <mark@codesourcery.com>
646 * BASE-VER: Set to 4.3.0.
648 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
650 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
651 (tree_decl_with_vis): Remove artificial_pta_var flag.
652 * tree-flow.h (referenced_var_check_and_insert): Expose.
653 (nonlocal_all): New prototype.
654 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
655 (nonlocal_all): Make global.
656 (nonlocal_lookup): Remove.
657 (nonlocal_insert): Ditto.
658 (create_nonlocal_var): Do not call nonlocal_insert.
659 (get_nonlocal_id_for_type): Remove.
660 (find_global_initializers): Mark new vars we find for renaming.
661 (intra_create_variable_infos): Only create one nonlocal.
662 (expand_nonlocal_solutions): Remove.
663 (compute_points_to_sets): Don't call it.
664 (ipa_pta_execute): Ditto.
665 (init_alias_heapvars): Don't create nonlocal_for_type.
666 (delete_alias_heapvars): Don't remove it.
667 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
670 2006-10-19 Brooks Moses <bmoses@stanford.edu>
672 * doc/install.texi (Downloading GCC): Clarify mention of
673 Fortran in the "full distribution" description.
675 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
677 Fix PR tree-optimization/28778
678 Fix PR tree-optimization/29156
679 Fix PR tree-optimization/29415
680 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
681 (tree_decl_with_vis): Add artificial_pta_var flag.
682 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
684 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
685 (nonlocal_all): Ditto.
686 (struct variable_info): Add directly_dereferenced member.
687 (var_escaped_vars): New variable.
688 (escaped_vars_tree): Ditto.
689 (escaped_vars_id): Ditto.
690 (nonlocal_vars_id): Ditto.
691 (new_var_info): Set directly_dereferenced.
692 (graph_size): New variable
693 (build_constraint_graph): Use graph_size.
694 (solve_graph): Don't process constraints that cannot change the
695 solution, don't try to propagate an empty solution to our
697 (process_constraint): Set directly_dereferenced.
698 (could_have_pointers): New function.
699 (get_constraint_for_component_ref): Don't process STRING_CST.
700 (nonlocal_lookup): New function.
701 (nonlocal_insert): Ditto.
702 (create_nonlocal_var): Ditto.
703 (get_nonlocal_id_for_type): Ditto.
704 (get_constraint_for): Allow results vector to be empty in the case
706 Handle results of calls properly.
707 (update_alias_info): Update alias info stats on number and type of
709 (find_func_aliases): Use could_have_pointers.
710 (make_constraint_from_escaped): Renamed from
711 make_constraint_to_anything, and changed to make constraints from
713 (make_constraint_to_escaped): New function.
714 (find_global_initializers): Ditto.
715 (create_variable_info_for): Make constraint from escaped to any
716 global variable, and from any global variable to the set of
718 (intra_create_variable_infos): Deal with escaped instead of
719 pointing to anything.
720 (set_uids_in_ptset): Do type pruning on directly dereferenced
722 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
723 (init_base_vars): Fix comment, and initialize escaped_vars.
724 (need_to_solve): Removed.
725 (find_escape_constraints): New function.
726 (expand_nonlocal_solutions): Ditto.
727 (compute_points_to_sets): Call find_escape_constraints and
728 expand_nonlocal_solutions.
729 (delete_points_to_sets): Don't fall off the end of the graph.
730 (init_alias_heapvars): Initialize nonlocal_for_type and
732 (delete_alias_heapvars): Free nonlocal_for_type and null out
735 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
737 * fold-const.c (add_double): Rename to add_double_with_sign.
738 Add 'unsigned_p' parameter and take it into account for the overflow.
739 (mul_double): Rename to mul_double_with_sign.
740 Add 'unsigned_p' parameter and take it into account for the overflow.
741 (fold_div_compare): Call add_double_with_sign instead of add_double
742 and mul_double_with_sign instead of mul_double, passing them the
743 unsignedness of the type.
744 * tree.h (add_double): Macroize.
745 (add_double_with_sign): New prototype.
746 (mul_double): Macroize.
747 (mul_double_with_sign): New prototype.
749 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
751 * config/score/crti.asm: New file.
752 * config/score/crtn.asm: New file.
753 * config/score/elf.h: New file.
754 * config/score/mac.md: New file.
755 * config/score/misc.md: New file.
756 * config/score/mul-div.S: New file.
757 * config/score/predicates.md: New file.
758 * config/score/score7.md: New file.
759 * config/score/score.c: New file.
760 * config/score/score-conv.h: New file.
761 * config/score/score.h: New file.
762 * config/score/score.md: New file.
763 * config/score/score-mdaux.c: New file.
764 * config/score/score-mdaux.h: New file.
765 * config/score/score-modes.def: New file.
766 * config/score/score.opt: New file.
767 * config/score/score-protos.h: New file.
768 * config/score/score-version.h: New file.
769 * config/score/t-score-elf: New file.
770 * config.gcc: Add score*-*-* configurations(Update before).
771 * doc/invoke.texi (Score Options): New section.
772 * doc/md.texi (Score family): New section to document constraints.
774 2006-10-19 Nick Clifton <nickc@redhat.com>
776 * config/arm/arm.c: Fix spelling typo.
778 2006-10-18 Tom Tromey <tromey@redhat.com>
780 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
782 2006-10-18 Jan Hubicka <jh@suse.cz>
785 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
788 2006-10-18 Marcin Dalecki <martin@dalecki.de>
790 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
791 TSI_SAME_STMT, since that's the desired entity.
793 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
795 * config/s390/contraints.md: New file.
796 * config/s390/s390-protos.h (s390_mem_constraint,
797 s390_O_constraint_str, s390_N_constraint_str,
798 s390_float_const_zero_p): Function prototypes added.
799 * config/s390/s390.c (s390_extra_constraint_str,
800 s390_const_double_ok_for_constraint_p,
801 s390_const_ok_for_constraint_p): Functions removed.
802 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
803 s390_float_const_zero_p): New functions.
804 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
805 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
806 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
807 Macro definitions removed.
808 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
809 s390_extra_constraint_str): Functions removed.
811 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
812 Richard Sandiford <richard@codesourcery.com>
815 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
816 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
818 2006-10-16 Geoffrey Keating <geoffk@apple.com>
820 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
821 (DWARF2_FRAME_REG_OUT): Likewise.
822 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
823 (DWARF2_FRAME_REG_OUT): Likewise.
825 2006-10-17 Paul Brook <paul@codesourcery.com>
827 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
829 2006-10-16 Brooks Moses <bmoses@stanford.edu>
831 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
832 Standardize on "GNU Fortran" as the official name of the Fortran
835 2006-10-16 Mike Stump <mrs@apple.com>
837 * doc/invoke.texi (Darwin Options): Document -mkernel.
838 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
840 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
841 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
842 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
843 (OS_MISSING_ALTIVEC): Add.
844 * config/i386/i386.c (override_options): Add
845 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
846 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
847 -mkernel, -static or -mdynamic-no-pic is given.
848 (C_COMMON_OVERRIDE_OPTIONS): Add.
849 * config/darwin.opt (fapple-kext): Add.
851 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
852 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
854 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
855 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
856 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
857 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
858 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
860 (flag_apple_kext): Add.
861 (TARGET_KEXTABI): Add.
862 * config/darwin.c (darwin_handle_kext_attribute): Add.
863 (DARWIN_VTABLE_P): Add.
864 (darwin_binds_local_p): Add partial support for rebinding vtables
866 (darwin_kextabi_p): Add.
867 (darwin_override_options): Add.
868 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
869 (darwin_kextabi_p): Add.
870 (darwin_override_options): Add.
871 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
872 __DYNAMIC__ and __STATIC__ here.
874 2006-10-16 Brooks Moses <bmoses@stanford.edu>
876 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
877 Added mention of "make pdf" target, and Texinfo requirements for
880 2006-10-16 DJ Delorie <dj@redhat.com>
882 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
883 into the GOT in case we need a subreg of the address.
885 2006-10-16 Richard Guenther <rguenther@suse.de>
888 * doc/extend.texi (X86 Built-in Functions): Fix typos in
889 SSE builtin documentation. Document SSE2 builtins.
891 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
893 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
894 symbol in the output file for non-shared links when -nostdlib or
895 -nodefaultlibs isn't specified.
897 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
898 posix thread support.
900 2006-10-15 Jan Hubicka <jh@suse.cz>
903 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
904 declared always_inline even when not inlining.
906 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
907 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
908 Andrew Pinski <pinskia@gmail.com>
911 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
913 2006-10-15 Jan Hubicka <jh@suse.cz>
914 Richard Guenther <rguenther@suse.de>
917 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
918 process_function_and_variable_attributes on all variables, including
919 those discovered during cgraph construction phase.
921 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
923 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
925 2006-10-14 Uros Bizjak <uros@kss-loka.si>
927 * config/i386/athlon.md (athlon_fist): Add fisttp.
929 2006-10-13 David Edelsohn <edelsohn@gnu.org>
930 Ian Lance Taylor <ian@airs.com>
933 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
934 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
937 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
939 * config/score/score.c, config/score/score.h: Fix comment
942 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
945 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
948 2006-10-13 Eric Christopher <echristo@apple.com>
950 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
952 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
955 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
956 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
957 alignment supported by 32-bit ELF.
959 2006-10-13 Eric Christopher <echristo@apple.com>
961 * config/darwin.c (darwin_emit_unwind_label): Strip
962 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
964 2006-10-13 Richard Guenther <rguenther@suse.de>
966 PR tree-optimization/29446
967 * tree-vrp.c (fix_equivalence_set): Remove.
968 (extract_range_from_assert): Do not call fix_equivalence_set.
969 (debug_value_range): Print a newline.
970 (compare_name_with_value): For equivalence sets with
971 inconsistent value ranges conservatively bail out.
972 (compare_names): Likewise.
974 2006-10-13 David Edelsohn <edelsohn@gnu.org>
976 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
977 and MPFR for gfortran.
979 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
981 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
982 alignment supported by 32-bit ELF.
984 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
988 * c-typeck.c (digest_init): Always allow initializing vectors
989 that have static storage duration with compound literals.
990 * tree.c (build_type_attribute_qual_variant): New, based on
991 build_type_attribute_variant.
992 (build_type_attribute_variant): Rewrite using the former.
993 (make_vector_type): Use build_type_attribute_qual_variant to build
994 type variants. Use type_hash_canon on the others.
996 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
997 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
999 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1001 2006-10-12 Jan Hubicka <jh@suse.cz>
1004 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1005 current_function_decl is set but current_function_scope is not.
1007 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1009 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1010 emit_insn to emit eh_return_internal instruction.
1011 (eh_return_internal): Explicitly set pc.
1013 2006-10-11 Richard Guenther <rguenther@suse.de>
1015 PR tree-optimization/28230
1016 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1017 to the correct place.
1019 2006-10-11 Richard Guenther <rguenther@suse.de>
1022 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1025 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1027 * configure.ac: Added pdf to "Make-hooks"
1028 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1029 targets and *.pdf file patterns in cleanup targets.
1030 * configure: Regenerated.
1032 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1034 * config/avr/predicates.md: New file.
1035 * config/avr/avr.md: Include it.
1036 (REG_SP): New constant.
1037 (peepholes): Use predicates.
1038 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1039 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1040 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1042 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1044 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1047 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1050 * builtins.c (var_decl_component_p): New function.
1051 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1052 single entry optimization to variables and components thereof.
1054 2006-10-10 Richard Guenther <rguenther@suse.de>
1056 PR rtl-optimization/29323
1057 * except.c (set_nothrow_function_flags): For functions
1058 that do not bind local bail out early.
1060 2006-10-10 Ben Elliston <bje@au.ibm.com>
1062 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1065 2006-10-09 Richard Henderson <rth@redhat.com>
1067 Revert emutls patch.
1069 2006-10-09 Richard Guenther <rguenther@suse.de>
1072 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1075 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1078 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1079 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1080 * configure: Regenerate.
1081 * config.in: Regenerate.
1083 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1085 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1087 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1089 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1090 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1091 Remove stray newline.
1093 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1095 * config/mips/mips.c (mips_classify_symbol): Do not return
1096 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1097 (mips_in_small_data_p): Tweak comments.
1099 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1101 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1103 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1105 * gimplify.c, sched-int.h: Fix comment typos.
1107 * sched-int.h: Fix comment typos.
1109 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1111 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1113 * sched-ebb.c (begin_schedule_ready): Use them.
1114 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1115 add_to_speculative_block, create_check_block_twin, speculate_insn,
1116 fix_jump_move, move_block_after_check): Ditto.
1117 * sched-rgn.c (new_ready): Ditto.
1119 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1121 PR rtl-optimization/29128
1122 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1123 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1124 allow interblock movement of speculation checks.
1126 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1129 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1130 casted to integer type.
1131 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1132 if they are significantly more expensive than [reg + index] ones.
1134 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1136 PR tree-optimization/29330
1137 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1138 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1139 on newly allocated ddrs.
1140 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1141 to VEC (loop_p, heap) pointer.
1142 (compute_data_dependences_for_loop): Adjust caller.
1143 (free_dependence_relations): Free DDR_LOOP_NEST.
1145 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1146 free DEPENDENCE_RELATIONS and DATAREFS.
1149 * builtins.c (expand_builtin_sync_operation,
1150 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1151 Use convert_to_mode to handle promoted arguments.
1153 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1155 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1157 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1159 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1161 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1163 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1164 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1165 Use <modeconstraint> instead of "r" as operand 1 constraint.
1167 2006-10-06 Olivier Hainque <hainque@adacore.com>
1169 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1170 Don't recurse on the pointed-to type.
1171 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1172 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1173 types with components of variable size.
1175 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1177 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1179 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1181 PR tree-optimization/29290
1182 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1186 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1187 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1190 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1191 the number of vector elements fill the rest with zeros.
1193 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1195 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1196 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1199 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1201 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1202 unnamed pattern into subsi3. Use correct constraints/predicates.
1203 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1204 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1206 2006-10-05 Ira Rosen <irar@il.ibm.com>
1208 * doc/loop.texi: Add data references analysis description.
1210 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1212 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1214 2006-10-04 Richard Henderson <rth@redhat.com>
1215 Jakub Jelinek <jakub@redhat.com>
1217 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1218 * builtin-types.def (BT_WORD): Make unsigned.
1219 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1220 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1221 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1222 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1223 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1224 * cgraph.c (decide_is_variable_needed): Look at force_output.
1225 Recurse for emulated tls.
1226 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1227 checks redundant with decide_is_variable_needed.
1228 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1229 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1231 * expr.c (emutls_var_address): New.
1232 (expand_expr_real_1): Expand emulated tls.
1233 (expand_expr_addr_expr_1): Likewise.
1234 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1235 * output.h (emutls_finish): Declare.
1236 * toplev.c (compile_file): Call it.
1237 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1238 address before wrapping in CONST.
1239 * varasm.c (emutls_htab, emutls_object_type): New.
1240 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1241 (get_emutls_object_name, get_emutls_object_type): New.
1242 (get_emutls_init_templ_addr, emutls_decl): New.
1243 (emutls_common_1, emutls_finish): New.
1244 (assemble_variable): When emulating tls, swap decls; generate
1245 constructor for the emutls objects.
1246 (do_assemble_alias): When emulating tls, swap decl and target name.
1247 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1249 * emutls.c: New file.
1250 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1251 tls_object for real tls.
1253 2006-10-04 Zack Weinberg <zackw@panix.com>
1255 Fix bug in constraint-check generator, reported by Rask Ingemann
1257 * genpreds.c (add_constraint): Don't remove anything from the
1259 (write_tm_constrs_h): Detect whether "op" argument is used, and
1260 mark it ARG_UNUSED if it isn't.
1261 (write_insn_const_int_ok_for_constraint): Skip the part of the
1262 expression that would test whether "op" (which is not available
1263 here) is a CONST_INT.
1265 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1268 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1270 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1272 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1273 current Leopard versions.
1274 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1276 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1278 * doc/install.texi: Fix typos.
1280 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1282 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1283 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1284 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1286 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1288 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1289 arg to be struct mach_header_64* instead.
1291 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1294 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1295 side effects after the outer expression's post side effects.
1297 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1299 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1300 comments to reflect actual behavior and relationship between
1301 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1303 * doc/c-tree.texi (Working with declarations): Fix documentation
1304 of FIELD_DECL likewise.
1306 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1309 * doc/extend.texi: Add used variable attribute description.
1311 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1314 * c.opt (Woverride-init): New.
1315 * c-opts.c (c_common_post_options): Default warn_override_init to
1317 * c-typeck.c (add_pending_init, output_init_element): Warn for
1318 overriding initializers without side effects.
1319 * doc/invoke.texi (-Woverride-init): Document.
1322 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1324 PR rtl-optimization/28096
1325 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1326 assignment has already been used as a destination earlier in the block.
1328 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1330 * builtins.c (expand_builtin_setjmp): Delete.
1331 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1332 <BUILT_IN_SETJMP_SETUP>: New case.
1333 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1334 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1335 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1336 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1337 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1338 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1339 (lower_function_body): Initialize it to false. If it is set to true
1340 at the end of the processing, emit the setjmp dispatcher.
1341 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1342 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1343 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1344 on the rhs of the assignment.
1345 (lower_builtin_setjmp): New function.
1346 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1347 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1348 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1349 to detect calls that can go to non-local labels. Use specific
1350 helper to create the abnormal edges associated with them.
1351 <MODIFY_EXPR>: Likewise.
1352 (make_abnormal_goto_edges): New function extracted from...
1353 (make_goto_expr_edges): ...here. Call it for computed gotos.
1354 (simple_goto_p): Minor tweak.
1355 (tree_can_make_abnormal_goto): New predicate.
1356 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1357 (tree_purge_dead_abnormal_call_edges): New function.
1358 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1359 (tree_purge_dead_abnormal_call_edges): Likewise.
1360 (make_abnormal_goto_edges): Likewise.
1361 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1362 Purge all dead abnormal edges if the call was in the last statement.
1363 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1364 (execute_fixup_cfg): If there are non-local labels in the function,
1365 scan the basic blocks and split them at calls that can go to non-local
1366 labels or add missing abnormal call edges. Write down the CFG in the
1368 (pass_fixup_cfg): Remove TODO_dump_func flag.
1369 * unwind-sjlj.c: Poison setjmp.
1370 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1371 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1372 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1373 (DONT_USE_BUILTIN_SETJMP): Document it.
1375 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1378 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1379 to 1 when __ppc64__ is defined.
1380 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1382 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1384 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1386 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1387 * config/ia64/unwind-hpux.c: Delete.
1389 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1391 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1392 on the element before gimplifying it, instead of punting if it is of
1395 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1397 * doc/loop.texi: New file.
1398 * doc/gccint.texi: Reference loop.texi.
1399 * Makefile.in (loop.texi): Add.
1401 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1403 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1405 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1406 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1408 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1410 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1412 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1414 * doc/install.texi: Document required versions of GMP and MPFR.
1416 2006-09-27 Paul Brook <paul@codesourcery.com>
1419 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1421 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1423 * reload1.c (alter_reg): Require the alignment of the stack slot to
1424 be at least reg_max_ref_width bytes.
1425 (scan_paradoxical_subregs): Record the largest width in
1428 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1432 * tree-nested.c (struct nesting_info): Added static_chain_added.
1433 (convert_call_expr): Set static_chain_added when adding static
1434 chain. Handle OMP_PARALLEL and OMP_SECTION.
1436 2006-09-25 Matthias Klose <doko@debian.org>
1438 * doc/invoke.texi: Add missing full stop.
1440 2006-09-25 Richard Henderson <rth@redhat.com>
1442 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1443 before cgraph_function_flags_ready.
1445 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1446 Adam Nemet <anemet@caviumnetworks.com>
1448 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1449 determine_common_wider_type): New functions.
1450 (get_computation_aff): Use them to simplify arithmetic between
1451 UBASE and CBASE if they are shortened from the same type.
1453 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1456 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1457 -2147483647 - 1 instead of 0x80000000.
1459 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1461 * flags.h (HONOR_NANS): Fix typo in comment.
1463 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1465 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1467 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1471 * tree.c (merge_attributes, attribute_list_contained): If both
1472 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1474 * c-typeck.c (comptypes_internal): Don't consider aggregates
1475 in different TUs as compatible if there one set of attributes is
1476 not a subset of the other type's attributes.
1477 (composite_type): Try harder not to create a new aggregate type.
1479 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1481 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1482 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1483 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1484 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1485 than replicating condition above.
1486 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1488 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1489 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1490 the linker by default.
1492 2006-09-22 Mike Stump <mrs@apple.com>
1494 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1497 2006-09-22 Richard Guenther <rguenther@suse.de>
1500 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1501 sort of stack variables stable.
1503 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1506 * explow.c (force_reg): Set REG_POINTER flag according to
1509 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1511 PR tree-optimization/28888
1512 * tree-if-conv.c (combine_blocks): Rewritten.
1513 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1514 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1516 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1518 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1521 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1523 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1525 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1527 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1529 2006-09-21 Roger Sayle <roger@eyesopen.com>
1532 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1533 dw_fde_current_label, to be the start of the function, i.e. the same
1534 value as dw_fde_begin.
1536 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1538 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1539 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1540 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1541 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1542 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1543 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1544 (abs<mode>2, neg<mode>2): Likewise.
1545 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1546 (*mips_abs_ps): New define_insn.
1548 2006-09-20 Josh Conner <jconner@apple.com>
1551 * calls.c (expand_call): Allow reuse of structure return stack
1554 2006-09-20 Paul Brook <paul@codesourcery.com>
1556 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1559 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1561 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1562 clean up terminology.
1564 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1567 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1568 with tablejumps in them.
1570 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1573 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1574 wrap it into TARGET_EXPR.
1576 2006-09-20 Eric Christopher <echristo@apple.com>
1578 * config/i386/i386.c (x86_fisttp): Remove.
1579 * config/i386/i386.h (x86_fisttp): Ditto.
1580 (TARGET_FISTTP): Ditto.
1582 2006-09-19 Eric Christopher <echristo@apple.com>
1584 * doc/tm.texi (OBJC_JBLEN): Describe.
1585 * config/i386/darwin.h (OBJC_JBLEN): Define.
1586 * config/rs6000/darwin.h: Ditto.
1588 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1590 PR rtl-optimization/21299
1591 * reload1.c (reload): Purge invalid ASMs in the final pass.
1593 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1596 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1597 pointers as legitimate constants.
1599 2006-09-19 Paul Brook <paul@codesourcery.com>
1602 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1604 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1606 PR tree-optimization/28887
1607 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1608 component parts from the reference.
1609 (gather_memory_references_ref): Record the reference without the
1610 nonaddressable component parts.
1612 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1615 * c-opts.c (c_common_handle_option): Ignore the -std options
1616 if the input language is assembly.
1618 2006-09-17 Ira Rosen <irar@il.ibm.com>
1621 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1623 (ptr_ptr_may_alias_p): Likewise.
1624 (record_record_differ_p): New function.
1625 (base_object_differ_p): Call record_record_differ_p.
1627 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1630 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1631 away for the expr argument.
1633 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1636 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1637 before using it for dumping after vectorizing loops.
1639 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1640 Jack Howarth <howarth@bromo.med.uc.edu>
1643 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1644 skip on error_mark_node.
1645 (rs6000_darwin64_record_arg_recurse): Likewise.
1647 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1649 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1650 * doc/rtl.texi: Remove related documentation.
1652 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1654 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1657 2006-09-15 Jim Wilson <wilson@specifix.com>
1659 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1660 Handle symbol offsets same as they are handled in ia64_expand_move
1663 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1665 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1666 Add forgotten parameter to the fprintf call.
1668 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1670 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1672 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1674 * doc/contrib.texi: Add my entry.
1676 2006-09-15 Nick Clifton <nickc@redhat.com>
1678 * doc/md.texi (Processor pipeline description): Fix typo in
1679 example of how to use the absence_set directive and reword the
1680 description to make it slightly easier to read.
1682 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1684 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1685 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1686 expanding the number of iterations.
1687 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1689 * cfgrtl.c (emit_insn_at_entry): New function.
1690 * rtl.h (emit_insn_at_entry): Declare it.
1691 * integrate.c (emit_initial_value_sets): Use it.
1693 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1695 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1697 (struct loop_work and related VEC declarations): Delete.
1698 (bfin_dump_loops): Print out new member bad.
1699 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1700 (bfin_scan_loop): Don't recurse.
1701 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1702 loops. No longer need to update outer loops if the current one is
1703 found bad. Move some validitiy checks to bfin_discover_loop.
1704 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1705 but changed not to check for nesting. Also changed to use the new bad
1707 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1708 time. Use bitmap based test to discover loop nesting.
1710 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1712 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1715 2006-09-14 Richard Guenther <rguenther@suse.de>
1716 Kazu Hirata <kazu@codesourcery.com>
1718 PR middle-end/28884.
1719 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1720 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1721 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1722 with TARGET_FUNCTION_VALUE.
1724 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1727 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1729 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1731 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1734 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1737 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1740 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1742 * basic_block.h (bb_has_eh_pred): Fix comment.
1744 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1746 * flow.c (calculate_global_regs_live): Invalidate eh registers
1747 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1748 (propagate_block): Handle eh registers as if they were set at basic
1750 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1752 * global.c (global_conflicts): Make eh registers to conflict with
1753 pseudos live at basic block begin.
1754 * basic_block.h (bb_has_eh_pred): New function.
1756 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1758 PR rtl-optimization/28982
1759 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1760 index of a PRE_MODIFY or POST_MODIFY address.
1761 * reload1.c (inc_for_reload): Use find_replacement on the original
1762 base and index registers.
1764 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1766 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1767 for -Os. Update __m128 alignment requirement.
1769 2006-09-13 Jan Hubicka <jh@suse.cz>
1771 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1773 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1775 PR rtl-optimization/28243
1776 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1777 the insn to which the note was originally attached.
1779 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1780 Roger Sayle <roger@eyesopen.com>
1782 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1783 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1784 on platforms that don't use dwarf for debug info.
1786 2006-09-12 Jason Merrill <jason@redhat.com>
1789 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1790 hard_frame_pointer_rtx after using it to update the frame pointer.
1792 2006-09-12 Roger Sayle <roger@eyesopen.com>
1794 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1795 (TARGET_ASM_CLOSE_PAREN): Likewise.
1796 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1797 (TARGET_ASM_CLOSE_PAREN): Likewise.
1799 2006-09-12 Roger Sayle <roger@eyesopen.com>
1802 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1803 frame information for frames larger than 512 Kbytes on Tru64 when
1804 using the native assembler.
1806 2006-09-12 Roger Sayle <roger@eyesopen.com>
1810 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1811 and symbols. Instead use the implementation from cse.c's hash_rtx.
1813 2006-09-12 Jan Hubicka <jh@suse.cz>
1815 PR rtl-optimization/28071
1816 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1817 (vect_transform_loop): Likewise.
1818 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1819 (new_loop_vec_info): Likewise.
1820 (destroy_loop_vec_info): Likewise.
1821 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1822 (create_stmt_ann): Likewise.
1823 (create_tree_ann): Rename to ...
1824 (create_tree_common_ann): ... this one; allocate only the common part
1826 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1827 (get_value_handle): Likewise.
1828 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1829 get_tree_common_ann.
1830 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1831 (vinfo_for_stmt): Use stmt annotations.
1832 * tree-flow.h (tree_ann_common_t): New type.
1833 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1834 (tree_ann, get_tree_ann, create_tree_ann): New.
1835 * tree-flow-inline.h (get_function_ann): Do more type checking.
1836 (stmt_ann): Likewise.
1837 (tree_ann): Rename to ...
1838 (tree_common_ann): ... this one; return ony common_ann
1839 (get_tree_ann): Rename to ...
1840 (tree_common_ann): This one; return only common_ann.
1841 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1844 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1846 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1847 with_cpu by default.
1849 * dwarf2out.c (dwarf_file_data): New.
1850 (enum dw_val_class): Add dw_val_class_file.
1851 (struct dw_val_struct): Add val_file.
1852 (file_table): Change to a hash table.
1853 (file_table_emitted): Delete.
1854 (file_table_last_lookup_index): Delete.
1855 (emitcount): Delete.
1856 (last_emitted_file): New.
1857 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1858 (init_file_table): Delete.
1859 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1860 (AT_addr): Add comment.
1864 (print_die): Handle dw_val_class_file.
1865 (print_dwarf_line_table): Update for new file table structure.
1866 (attr_checksum): Do checksum a filename.
1867 (same_dw_val_p, same_attr_p): Do compare a filename.
1868 (size_of_die): Handle dw_val_class_file.
1869 (value_format): Likewise.
1870 (output_die): Likewise. Also, call maybe_emit_file here.
1871 (struct file_info): Constify filenames. Make file_idx a pointer
1872 to a struct dwarf_file_data.
1873 (struct dir_info): Constify directory names. Remove 'used' field.
1874 (struct file_name_acquire_data): New.
1875 (file_name_acquire): New.
1876 (output_file_names): Modify to handle new file data structures.
1877 (add_src_coords_attributes): Use add_AT_file.
1878 (add_call_src_coords_attributes): Likewise.
1879 (dwarf2out_imported_module_or_decl): Likewise.
1880 (gen_subprogram_die): Modify for new file data structures.
1881 (gen_variable_die): Likewise.
1882 (file_table_eq): New.
1883 (file_table_hash): New.
1884 (file_table_last_lookup): New.
1885 (lookup_filename): Rewrite to handle new file data structures.
1886 (maybe_emit_file): Rewrite to handle new file data structures.
1887 (dwarf2out_source_line): Always call lookup_filename and
1889 (dwarf2out_init): Create file_table here.
1890 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1891 (file_table_relative_p): New.
1892 (dwarf2out_finish): Change detection of relative filenames
1893 to work with new file data structures. Move output_line_info call
1894 after debug_info output.
1896 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1901 * config/i386/i386.c (override_options): Always default to 16
1902 byte stack boundary.
1904 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1907 * var-tracking.c (dump_dataflow_set): Start dumping at
1909 (clobber_variable_part): Kill only the variable part in
1910 registers holding it, leaving other variables alone.
1912 2006-09-11 Josh Triplett <josh@freedesktop.org>
1914 * doc/extend.texi (Other Builtins): Actually use the macro
1915 argument in the documentation example for
1916 __builtin_types_compatible_p.
1918 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1920 PR rtl-optimization/28726
1921 * sched-deps.c (sched_analyze_reg): New function extracted from...
1922 (sched_analyze_1): ...here. Call it to analyze references to
1923 registers. Treat again writes to a stack register as writing to the
1925 (sched_analyze_2): ...and here. Call it to analyze references to
1926 registers. Treat again reads of a stack register as reading the
1929 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1930 David Edelsohn <edelsohn@gnu.org>
1933 * config/rs6000/spe.md (frob_df_di): Remove %H.
1934 (frob_di_df): Remove %H. Change evmergelo to mr.
1935 (frob_di_df_2): Remove %H. Change evldd to two loads.
1937 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1939 * doc/cpp.texi: Fix names of charset options.
1941 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1944 * config/i386/i386.c (override_options): Use 128-bit
1945 stack boundary always for 64bits.
1947 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1949 PR rtl-optimization/28636
1950 * combine.c (force_to_mode): Test for side-effects before
1951 substituting by zero.
1952 (simplify_shift_const): Likewise for zero or other constants.
1954 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1957 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1960 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1963 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1964 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1965 returned by mode_for_size, rather than the mode of src itself,
1966 to choose between 32-bit and 64-bit patterns.
1967 (mips_mem_fits_mode_p): New function.
1968 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1969 that the size of the source matches the size of the destination.
1970 (mov_<store>l, mov_<store>r): Likewise.
1972 2006-09-10 Eric Christopher <echristo@apple.com>
1974 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1977 2006-09-09 Eric Christopher <echristo@apple.com>
1980 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1983 2006-09-09 Roger Sayle <roger@eyesopen.com>
1984 Nicolas Setton <setton@adacore.com>
1986 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1988 2006-09-10 Andreas Schwab <schwab@suse.de>
1990 * config/m68k/m68k.md (bungt_rev): New pattern.
1992 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1993 Dale Johannesen <dalej@apple.com>
1996 * regclass.c (struct reg_pref): Update documentation.
1997 (regclass): Set prefclass to NO_REGS if memory is the best option.
1998 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2000 2006-09-08 Eric Christopher <echristo@apple.com>
2002 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2003 * config/t-slibgcc-darwin: Support x86_64 multilib.
2004 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2005 Return 1 for x86_64-darwin.
2006 * config/i386/t-darwin: Add m64 multilib.
2007 (LIB2_SIDITI_CONV_FUNCS): Use.
2008 (LIB2FUNCS_EXTRA): Ditto.
2009 * config/i386/darwin.h: Support x86_64.
2010 * config/i386/i386.c (override_options): Turn on flag_pic
2011 for x86_64-darwin. Disable flag_omit_pointer.
2012 (get_pc_thunk_name): Assert !TARGET_64BIT.
2013 (legitimate_address_p): Disable machopic addressing for
2015 (legitimize_pic_address): Ditto.
2016 (ix86_expand_move): Ditto.
2017 (ix86_expand_call): Ditto.
2018 (machopic_output_stub): Ditto.
2019 * config/darwin.c (machopic_select_section): Support literal16.
2020 (machopic_select_rtx_section): Ditto.
2021 * config/darwin-sections.def: Ditto.
2022 * config/darwin-64.c: New.
2024 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2027 * c-tree.h (struct c_arg_info): Add pending_sizes.
2028 * c-parser.c (c_parser_parms_declarator,
2029 c_parser_parms_list_declarator): Initialize pending_sizes.
2030 * c-decl.c (get_parm_info): Initialize pending_sizes.
2031 (get_parm_info): Set pending_sizes.
2032 (grokdeclarator): Call put_pending_sizes for parameters for
2033 function definition only.
2035 2006-09-07 Jason Merrill <jason@redhat.com>
2038 * varasm.c (output_constant): Only strip actual no-op conversions.
2041 * config/i386/i386.c (override_options): Use 128-bit
2042 stack boundary if -msse.
2044 2006-09-07 Eric Christopher <echristo@apple.com>
2046 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2048 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2051 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2053 * dwarf2out.c: Remove strange characters from comment above
2054 dwarf2out_frame_debug_expr.
2056 2006-09-07 Eric Christopher <echristo@apple.com>
2058 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2059 * config/darwin.h: ... to here.
2061 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2063 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2065 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2066 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2068 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2069 TARGET_PARTIAL_FLAG_REG_STALL.
2070 (*ashldi3_cconly_rex64): Likewise.
2071 (*ashlsi3_cmp): Likewise.
2072 (*ashlsi3_cconly): Likewise.
2073 (*ashlsi3_cmp_zext): Likewise.
2074 (*ashlhi3_cmp): Likewise.
2075 (*ashlhi3_cconly): Likewise.
2076 (*ashlqi3_cmp): Likewise.
2077 (*ashlqi3_cconly): Likewise.
2078 (*ashrdi3_cmp_rex64): Likewise.
2079 (*ashrdi3_cconly_rex64): Likewise.
2080 (*ashrsi3_cmp): Likewise.
2081 (*ashrsi3_cconly): Likewise.
2082 (*ashrsi3_cmp_zext): Likewise.
2083 (*ashrhi3_cmp): Likewise.
2084 (*ashrhi3_cconly): Likewise.
2085 (*ashrqi3_cmp): Likewise.
2086 (*ashrqi3_cconly): Likewise.
2087 (*lshrdi3_cmp_rex64): Likewise.
2088 (*lshrdi3_cconly_rex64): Likewise.
2089 (*lshrsi3_cmp): Likewise.
2090 (*lshrsi3_cconly): Likewise.
2091 (*lshrsi3_cmp_zext): Likewise.
2092 (*lshrhi3_cmp): Likewise.
2093 (*lshrhi3_cconly): Likewise.
2094 (*lshrqi2_cmp): Likewise.
2095 (*lshrqi2_cconly): Likewise.
2097 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2100 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2101 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2102 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2103 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2104 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2105 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2106 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2107 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2108 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2109 implement only CC setting effects of shift instructions.
2111 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2113 * doc/contrib.texi: Add myself.
2115 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2118 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2119 was set by the user.
2121 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2124 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2125 (divsi_inv_m1): Use them.
2126 (UNSPEC_DIV_INV_TABLE): New constant.
2128 2006-09-06 James E Wilson <wilson@specifix.com>
2131 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2132 then call count_or_remove_death_notes.
2134 2006-09-06 Jason Merrill <jason@redhat.com>
2137 * tree-inline.c (copy_result_decl_to_var): New fn.
2138 (declare_return_variable): Use it. Call declare_inline_vars here.
2139 (expand_call_inline): Not here.
2141 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2143 * doc/contrib.texi: Update my entry.
2145 2006-09-06 Nick Clifton <nickc@redhat.com>
2147 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2149 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2152 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2153 (canonicalize_induction_variables): Likewise.
2154 (tree_unroll_loops_completely): Likewise.
2155 (tree_ssa_prefetch_arrays): Likewise.
2156 (remove_empty_loops): Likewise.
2157 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2158 TODO_cleanup_cfg instead of directly calling
2159 cleanup_tree_cfg_loop.
2160 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2162 (tree_unroll_loops_completely): Likewise.
2163 (remove_empty_loops): Likewise.
2164 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2165 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2166 of tree_ssa_unswitch_loops.
2167 (tree_ssa_loop_ivcanon): Use the return value of
2168 canonicalize_induction_variables.
2169 (tree_ssa_empty_loop): Use the return value of
2171 (tree_complete_unroll): Use the return value of
2172 tree_unroll_loops_completely.
2173 (tree_ssa_loop_prefetch): Use the return value of
2174 tree_ssa_prefetch_arrays.
2175 * passes.c (execute_todo): Before Cleanup CFG, set
2176 updating_used_alone and after cleanup CFG, call
2177 recalculate_used_alone.
2179 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2182 * tree-vect-transform.c (vectorizable_condition): Move the check
2183 for the type after the check for simple condition.
2185 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2186 Kaz Kojima <kkojima@gcc.gnu.org>
2189 * mode-switching.c (optimize_mode_switching): Make the destination
2190 block of an abnormal edge have no anticipatable mode. Don't
2191 insert mode switching code at the end of the source block of
2194 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2196 PR rtl-optimization/26847
2197 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2198 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2199 (simplify_plus_minus): Count n_constants while filling ops. Replace
2200 qsort with insertion sort. Before going through the array to simplify
2201 pairs, sort it. Delay early exit until after the first sort, exiting
2202 only if no swaps occurred. Simplify pairs in reversed order, without
2203 special-casing the first iteration. Pack ops after simplifying pairs.
2205 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2207 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2208 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2209 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2210 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2212 2006-09-05 Richard Guenther <rguenther@suse.de>
2214 PR tree-optimization/28900
2215 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2216 compound conditional before creating COND_EXPR condition.
2218 2006-09-05 Richard Guenther <rguenther@suse.de>
2220 PR tree-optimization/28905
2221 * tree-vrp.c (fix_equivalence_set): Manually implement
2222 !value_ranges_intersect_p to also handle symbolic ranges.
2224 2006-09-05 Richard Guenther <rguenther@suse.de>
2227 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2230 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2232 PR rtl-optimization/27616
2233 * cse.c (table_size): New static variable.
2234 (new_basic_block): Initialize it to 0.
2235 (remove_from_table): Decrement it.
2236 (insert): Increment it.
2237 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2238 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2239 fold_rtx_mem_1 if under the cap.
2240 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2241 the lookup of the equivalent expression and test for equality of the
2242 first operand of the equivalent expression before in turn looking up
2243 an equivalent constant for the second operand.
2245 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2248 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2249 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2250 pointer, instead of assuming it is possible to derive the
2251 correct args size from a call insn.
2253 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2256 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2257 (fold_builtin_mempcpy): Rename to...
2258 (fold_builtin_memory_op): ... this. Optimize one element copy
2260 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2262 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2263 (expand_builtin_memcpy, expand_builtin_mempcpy,
2264 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2265 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2266 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2267 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2269 2006-09-01 DJ Delorie <dj@redhat.com>
2271 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2272 (stzx_16): Likewise.
2273 ("stzx_24_<mode>"): Likewise.
2274 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2275 ("cmp<mode>_op"): New.
2276 (cmp<mode>): Change to expander; just save operands.
2278 (b<code>): Change to expander, emit compare here.
2279 (s<code>_op): Change to use split and expander.
2280 (s<code>_24_op): Likewise.
2281 (s<code>_<mode>): New.
2282 (s<code>_<mode>_24): New.
2283 (movqicc_<code>_<mode): New.
2284 (movhicc_<code>_<mode>): New.
2287 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2288 (m32c_pend_compare): New.
2289 (m32c_unpend_compare): New.
2290 (m32c_expand_scc): New.
2291 (m32c_expand_movcc): Emit the compare also.
2292 * config/m32c/predicates.md (mra_nopp_operand): New.
2294 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2295 Richard Guenther <rguenther@suse.de>
2296 Adam Nemet <anemet@caviumnetworks.com>
2299 * builtins.c (get_pointer_alignment): Handle more forms
2300 of base addresses that can be used to derive more precise
2301 information about alignment.
2303 2006-09-01 Jason Merrill <jason@redhat.com>
2306 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2309 * gimplify.c (voidify_wrapper_expr): Handle null type.
2311 2006-09-01 Josh Conner <jconner@apple.com>
2314 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2315 (execute_return_slot_opt): Use it.
2317 2006-08-31 Josh Conner <jconner@apple.com>
2320 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2321 returning aggregates.
2323 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2325 PR tree-optimization/28839
2326 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2327 blocks in that phi arguments appear.
2329 2006-08-31 Roger Sayle <roger@eyesopen.com>
2332 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2333 NULL, otherwise use an advance_loc4 to adjust relative to the
2335 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2336 (dwarf2out_switch_text_section): Reset the current label to avoid
2337 using advance_loc4 over section boundaries.
2339 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2342 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2343 r12 + SYMBOLIC_CONST.
2345 2006-08-30 Richard Guenther <rguenther@suse.de>
2347 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2349 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2351 PR rtl-optimization/27735
2352 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2353 Add new argument to keep track of whether an irreducible region
2354 was affected. All callers changed.
2355 (fix_irreducible_loops): Removed.
2356 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2357 flags were invalidated.
2359 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2361 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2362 instead of SF operands.
2363 (*fop_df_comm_sse): Likewise.
2364 (*fop_df_comm_i387): Likewise.
2365 (*fop_df_1_mixed): Likewise.
2366 (*fop_df_1_sse): Likewise.
2368 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2369 J"orn Rennecke <joern.rennecke@st.com>
2371 PR tree-optimization/17506
2372 * tree-ssa.c (warn_uninit): If warning about a location outside of
2373 the current function, note where the variable was declared.
2375 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2377 PR tree-optimization/28411
2378 * double-int.c (double_int_div): Use double_int_divmod.
2379 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2380 double_int_mod, double_int_smod, double_int_umod): New functions.
2381 * double-int.h (double_int_divmod, double_int_sdivmod,
2382 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2384 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2386 (get_computation_aff, get_computation_cost_at): Handle double_int
2387 return type of constant_multiple_of.
2389 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2392 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2393 an implicit conversion.
2395 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2397 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2399 2006-08-27 Roger Sayle <roger@eyesopen.com>
2401 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2404 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2406 * config/i386/crtfastmath.c: Fix a comment typo.
2408 2006-08-26 Roger Sayle <roger@eyesopen.com>
2410 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2411 temporary visit flags on CASE_LABEL_EXPRs.
2412 * c-common.c (match_case_to_enum): Add function comment. Avoid
2413 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2414 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2415 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2416 a constant, only warn if that constant value isn't handled.
2418 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2421 * input.h (restore_input_file_stack): Declare.
2422 (INPUT_FILE_STACK_BITS): Define.
2423 * toplev.c (fs_p, input_file_stack_history,
2424 input_file_stack_restored, restore_input_file_stack): New.
2425 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2426 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2427 (pop_srcloc): Don't free old state of stack.
2429 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2432 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2433 (PowerPC Type Attributes): New.
2435 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2437 * config/xtensa/xtensa.c (function_arg_boundary): New.
2438 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2440 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2441 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2443 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2446 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2449 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2451 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2452 (verify_local_live_at_start): Likewise.
2454 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2457 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2458 omp_add_variable): Treat sizes as variable whenever not
2461 2006-08-26 Richard Guenther <rguenther@suse.de>
2464 * fold-const.c (fold_binary): Fold temporary to correct
2465 type before constructing new comparison.
2467 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2470 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2471 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2473 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2476 * c-decl.c (start_function): Don't try to process prototype
2477 information from old declaration that isn't a function.
2479 2006-08-25 Jan Hubicka <jh@suse.cz>
2482 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2484 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2487 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2490 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2492 PR tree-optimization/16876
2493 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2494 exit if PARM doesn't match VALUE.
2496 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2498 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2499 literal_prefix directive.
2500 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2501 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2502 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2504 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2507 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2508 predicate to general_operand. Add 0->y and I->r alternatives.
2510 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2512 * doc/tm.texi: Fix a typo.
2513 * predict.c: Fix comment typos.
2515 2006-08-25 Nick Clifton <nickc@redhat.com>
2517 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2518 assertions of "cpu" and "machine".
2520 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2523 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2524 the access through a base which has an alias set of 0 cannot
2527 2006-08-24 Bill Wendling <wendling@apple.com>
2529 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2531 2006-08-24 Jan Hubicka <jh@suse.cz>
2533 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2535 2006-08-24 Jan Hubicka <jh@suse.cz>
2538 * cgraph.c: Fix comments.
2539 (cgraph_varpool_mark_needed_node): Mark only variables not already
2541 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2542 (cgraph_varpool_assembled_nodes_queue): New static variable.
2543 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2544 (cgraph_varpool_output_debug_info): New function.
2545 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2546 * Makefile.in: Add gt-cgraphunit.h
2548 2006-08-24 Jan Hubicka <jh@suse.cz>
2550 * predict.c (probability_reliable_p): New predicate.
2551 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2552 (predict_loops): Do not predict loop exit with less than 2%
2554 * basic-block.h (edge_probability_reliable_p,
2555 br_prob_note_reliable_p): Declare.
2556 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2557 prediction when static predictor is not reliable.
2558 * rs6000.c (output_cbranch): Likewise.
2560 2006-08-23 Stuart Hastings <stuart@apple.com>
2563 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2564 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2566 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2569 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2570 complex values, nor for generic vector values.
2572 2006-08-22 Richard Guenther <rguenther@suse.de>
2575 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2576 parameter. Convert arguments to arithmetic expression to the
2578 (analyze_scalar_evolution_1): Adjust caller.
2580 2006-08-22 Jan Hubicka <jh@suse.cz>
2582 Patch by Paolo Bonzini
2583 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2586 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2588 PR tree-optimization/28003
2589 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2590 before grouping aliases.
2592 2006-08-22 Roger Sayle <roger@eyesopen.com>
2594 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2595 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2597 2006-08-21 Jason Merrill <jason@redhat.com>
2600 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2601 wrapper. Loop to handle nested wrappers.
2602 (gimplify_bind_expr): Remove temp parameter.
2603 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2604 and STATEMENT_LIST on the rhs.
2605 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2606 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2607 (gimplify_target_expr): Remove special BIND_EXPR handling.
2609 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2611 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2614 2006-08-21 Olivier Hainque <hainque@adacore.com>
2616 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2617 Arrange for the temporary captures of components overlapping the lhs
2618 to happen before the lhs is possibly cleared.
2620 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2622 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2623 necessary places to pass the correct "number of registers" values
2626 2006-08-20 Jan Hubicka <jh@suse.cz>
2628 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2629 (create_name_tags): Instead of quadratic checking use hashtable.
2630 * bitmap.h: Include hashtab.h.
2631 (bitmap_hash): Declare.
2632 * bitmap.c (bitmap_hash): New function.
2634 2006-08-20 Jan Hubicka <jh@suse.cz>
2636 PR rtl-optimization/28071
2637 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2639 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2640 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2641 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2642 cgraph_decide_inlining_incrementally): Update use of
2643 cgraph_check_inline_limits.
2644 * cgraph.c (edge_hash, edge_eq): New function.
2645 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2646 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2647 cgraph_remove_node): Maintain call site hash.
2648 * cgraph.h (struct cgraph_node): Add call_site_hash.
2649 (cgraph_set_call_stmt): New function.
2651 2006-08-20 Jan Hubicka <jh@suse.cz>
2653 PR rtl-optimization/28071
2654 * reload1.c (reg_has_output_reload): Turn into regset.
2655 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2656 choose_reload_regs, emit_reload_insns): Update to new
2657 reg_has_output_reload.
2659 2006-08-20 Jan Hubicka <jh@suse.cz>
2662 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2663 function body sizes.
2664 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2666 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2669 * tree.c (handle_dll_attribute): Return early if not a
2670 var or function decl.
2672 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2675 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2676 alignment of SPE vector types.
2678 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2680 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2682 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2685 * cgraph.h (struct cgraph_node): Remove externally_visible
2687 * cgraphunit.c (process_function_and_variable_attributes): Set
2688 local.externally_visible rather than externally_visible.
2691 * c-common.c (handle_externally_visible_attribute): First look
2692 at TREE_CODE and only if it is function or var decl, check for
2693 non-public objects. Don't warn for DECL_EXTERNAL.
2694 * cgraphunit.c (process_function_and_variable_attributes): Warn
2695 if externally_visible attribute is used on non-public object.
2697 2006-08-17 Jan Hubicka <jh@suse.cz>
2699 PR tree-optimization/27865
2700 * reload1.c (forget_marked_reloads): New function.
2701 (forget_old_reloads_1): When data are passed, just mark the registers
2703 (reload_as_needed): Use the new mechanizm.
2705 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2708 * reload.h (reg_equiv_alt_mem_list): New declaration.
2709 * reload1.c (reg_equiv_alt_mem_list): New definition.
2710 (reload): Initialize it and release it.
2711 (delete_output_reload): Use it.
2712 * reload.c (push_reg_equiv_alt_mem): New function.
2713 (find_reloads_toplev): Call it.
2714 (find_reloads_address, find_reloads_address_1): Likewise.
2715 (find_reloads_subreg_address): Likewise.
2717 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2719 PR rtl-optimization/28489
2720 * sched-ebb.c (begin_schedule_ready): Create basic block
2722 (advance_target_bb): Skip empty blocks.
2723 * haifa-sched.c (bb_note): Make global.
2724 * sched-int.h (bb_note): Add prototype.
2726 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2728 PR tree-optimization/27865
2729 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2731 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2732 fold_used_pointer, pointer_used_p): New functions.
2733 (analyze_scalar_evolution_1): Use fold_used_pointer.
2734 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2735 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2738 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2741 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2742 or the INTEGER_CST. Fail on a CALL_EXPR.
2743 (fold_offsetof): Pass new argument to fold_offsetof_1.
2744 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2745 operand into an INDIRECT_REF.
2746 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2748 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2750 PR gcov/profile/26570
2751 * value-prof.c (static_values): Removed.
2752 (tree_find_values_to_profile): Do not set static_values.
2753 (find_values_to_profile): Do not free static_values.
2754 * profile.c (instrument_values): Do not free the values.
2755 (branch_prob): Free the values.
2757 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2759 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2761 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2764 * c-typeck.c (build_component_ref): Combine qualifiers of
2765 structure or union and field.
2767 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2769 PR rtl-optimization/28071
2770 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2771 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2772 * tree-into-ssa.c (struct dom_dfsnum): New.
2773 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2775 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2776 compute_global_livein.
2777 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2778 in phi nodes in the correct blocks.
2780 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2782 PR tree-optimization/28364
2783 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2785 (fold_affine_expr): New function.
2786 (may_eliminate_iv): Use fold_affine_expr.
2788 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2791 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2794 2006-08-16 Mike Stump <mrs@apple.com>
2796 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2797 * doc/cppopts.texi (-MD): Likewise.
2799 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2802 * c-common.c (handle_weak_attribute): Ignore and warn if
2803 not a FUNCTION_ or VAR_DECL.
2805 2006-07-15 Mike Stump <mrs@apple.com>
2808 * c-parser.c (c_parser_typeof_specifier): Don't use
2809 c_finish_expr_stmt, open code desired semantics instead.
2811 2006-08-15 Nick Clifton <nickc@redhat.com>
2813 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2814 fragment to tmake_file only if threads are enabled.
2815 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2816 * config/i386/t-gthr-win32: New file. ... here.
2818 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2821 * c-parser.c (c_parser_compound_statement_nostart): Reset
2822 parser->error after each statement.
2824 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2827 * omp-low.c (lower_omp_parallel): Convert t to
2828 receiver_decl's type.
2829 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2830 source before comparison.
2833 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2834 to itype in assignment to oldival2.
2836 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2840 * c-typeck.c (build_compound_expr): If the second expression
2841 is an error mark, then just return an error mark instead of
2842 creating a COMPOUND_EXPR.
2844 2006-07-14 Mike Stump <mrs@apple.com>
2846 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2848 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2850 * c-decl.c, var-tracking.c: Fix comment typos.
2852 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2854 PR rtl-optimization/28634
2855 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2856 for floating-point modes unless flag_unsafe_math_optimizations.
2858 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2859 Andrew Pinski <pinskia@physics.uc.edu>
2862 * tree.c (build_array_type): Unify array types with
2863 unspecified index_type.
2864 * c-decl.c (grokdeclarator): Make sure we do not modify a
2865 unified incomplete array type.
2866 * c-typeck.c (store_init_value): Create distinct type before
2867 filling in the index type in an initializer from a compound
2870 * c-decl.c (grokdeclarator): Remove code where we copy the
2873 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2875 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2876 into account for TODO_dump_cgraph.
2877 (TODO_update_ssa_no_phi): Likewise.
2878 (TODO_update_ssa_full_phi): Likewise.
2879 (TODO_update_ssa_only_virtuals): Likewise.
2880 (TODO_remove_unused_locals): Likewise.
2881 (TODO_set_props): Likewise.
2882 (TODO_update_stmt_usage): Likewise.
2884 2006-08-13 Dirk Mueller <dmueller@suse.de>
2886 * c-common.c (strict_aliasing_warning): Fix formatting.
2888 2006-08-13 Matthias Klose <doko@debian.org>
2890 * doc/invoke.texi: Fix spelling errors.
2892 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2894 PR rtl-optimization/23454
2895 * reorg.c (relax_delay_slots): Update comment.
2897 2006-08-11 Richard Guenther <rguenther@suse.de>
2900 * simplify-rtx.c (simplify_const_relational_operation):
2901 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2904 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2906 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2907 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2909 2006-08-10 Paul Brook <paul@codesourcery.com>
2911 * final.c (final_scan_insn): Clear current_insn_predicate before
2912 outputting inline asm.
2914 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2916 PR tree-optimization/26197
2917 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2918 get_ref_base_and_extent and overlap_subvar to add only relevant
2919 subvars as may-aliases.
2920 (add_may_alias_for_new_tag): New function, factored out of
2922 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2923 with additional argument.
2924 * tree-flow.h (new_type_alias): Takes additional argument.
2926 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2928 * gcov.c (no_data_file): New flag.
2929 (read_count_file): Set it if data file not present. Assume counts
2931 (output_lines): Don't name the data file, if there wasn't one.
2933 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2935 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2936 (rs6000_generate_compare): Tweak comments.
2937 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2939 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2941 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2942 (var_debug_decl): New function.
2943 (var_reg_set): Follow debug decl link. Add location even if
2944 reg is already known to hold some other variable.
2945 (var_mem_set): Follow debug decl link.
2946 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2947 decl link. Delete other known locations of the variable part
2949 (var_reg_delete, var_mem_delete): Delete other known locations
2950 of the variable part if requested.
2951 (same_variable_part_p): New function.
2952 (add_stores): Select MO_COPY when appropriate.
2953 (vt_initialize): Handle it.
2954 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2955 known locations for MO_SET and MO_CLOBBER.
2956 (find_variable_location_part): New function.
2957 (set_variable_part, delete_variable_part): Use it.
2958 (clobber_variable_part): New function.
2959 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2962 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2964 PR tree-optimization/26969
2965 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2966 with an empty list of PHIs.
2968 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2972 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2975 2006-08-06 Andreas Schwab <schwab@suse.de>
2977 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2978 string. Whitespace and comment fixup.
2980 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2983 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2987 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2990 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2992 2006-08-04 Jan Hubicka <jh@suse.cz>
2996 * reload.c (push_reload): Patch out the mismatching instruction;
2998 (find_reload): Bail out if the instruction was patched out.
3000 2006-08-04 Jan Hubicka <jh@suse.cz>
3002 PR tree-optimization/24888
3003 * tree-inline.c (expand_call_inline): Do not re-record variables.
3004 (declare_inline_vars): Add variable to unexpanded_var_list.
3006 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3007 Roger Sayle <roger@eyesopen.com>
3009 PR rtl-optimization/26244
3010 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3011 inner_const are negative or greater than or equal to the bitsize of
3012 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3013 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3014 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3015 CONST0_RTX (mode) when the new shift count is greater than or equal to
3016 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3019 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3021 * tree-cfg.c: Fix a comment typo.
3023 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3026 * varasm.c (output_constant): Give the front end another chance to
3027 expand constants, after stripping NOPs.
3029 2006-08-03 Jan Hubicka <jh@suse.cz>
3031 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3034 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3036 PR tree-optimization/27770
3037 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3038 declaration removed (moved to tree-flow.h).
3039 (vect_can_force_dr_alignment_p): Likewise.
3040 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3041 (moved from tree-vectorizer.h).
3042 (vect_can_force_dr_alignment_p): Likewise.
3043 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3044 from outside the vectorizer - in particular from cgraph stage.
3045 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3046 the alignment of global arrays when -fsection-anchors is enabled.
3047 * cgraphunit.c (cgraph_increase_alignment): New function.
3048 (cgraph_optimize): Call cgraph_increase_alignment.
3050 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3053 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3054 not reload a SPE symbol_ref into a lo_sum address.
3056 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3059 * dwarf2out.c (prune_unused_types_prune): Move call to
3060 prune_unused_types_update_strings to cover the parent DIE also.
3062 2006-08-02 Jan Hubicka <jh@suse.cz>
3064 PR gcov/profile/28480
3065 * tree-cfg.c (change_bb_for_stmt): New function.
3066 (tree_merge_blocks, tree_split_blocks): Use it.
3068 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3074 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3075 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3076 (cgraph_optimize): Likewise.
3078 2006-08-01 Stuart Hastings <stuart@apple.com>
3080 * rtl.h (UINTVAL) New.
3081 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3082 * testsuite/gcc.dg/20060801-1.c: New.
3084 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3087 * c-typeck.c (build_external_type): Mark used enum types.
3088 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3090 (gen_subprogram_die): Whitespace fix.
3092 2006-08-01 Jan Hubicka <jh@suse.cz>
3094 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3095 bitmap when not needed.
3096 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3099 2006-08-01 Dirk Mueller <dmueller@suse.de>
3101 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3103 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3105 * Makefile.in: Revert part of previous patch:
3106 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3109 2006-07-30 Eric Christopher <echristo@apple.com>
3112 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3113 (PowerPC Variable Attributes): New section.
3115 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3117 PR target/28126 (partial fix)
3118 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3120 2006-07-28 Jan Hubicka <jh@suse.cz>
3122 PR rtl-optimization/28071
3123 * cfgrtl.c (rtl_delete_block): Free regsets.
3124 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3126 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3128 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3129 and variables used in dependencies.
3131 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3133 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3134 %fs for -mcmodel=kernel.
3135 (stack_tls_protect_test_di): Likewise.
3137 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3139 * Makefile.in: Use mkinstalldirs.
3141 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3144 * opts-common.c (prune_options): Skip joined switches.
3146 2006-07-27 Jan Hubicka <jh@suse.cz>
3148 PR rtl-optimization/28071
3149 * cselib.c (cselib_process_insn): Don't remove useless values too
3150 often for very large hashtables.
3152 2006-07-27 Jan Hubicka <jh@suse.cz>
3154 PR rtl-optimization/28071
3155 * global.c (greg_obstack): New obstack.
3156 (allocate_bb_info): Use it.
3157 (free_bb_info): Likewise.
3158 (modify_reg_pav): Likewise.
3160 2006-07-27 Roger Sayle <roger@eyesopen.com>
3162 * builtins.c (fold_fixed_mathfn): When long and long long are the
3163 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3164 functions to their lceil*, lfloor*, lround* and lrint* forms.
3166 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3169 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3171 (rev_branch_insn): Likewise.
3173 2006-07-27 Jan Hubicka <jh@suse.cz>
3175 PR rtl-optimization/28071
3176 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3177 (reg_set_in_bb, max_reg_computed): New static variables.
3178 (regmove_optimize): Free the new array.
3179 (fixup_match_1): Update call of reg_is_remote_constant_p.
3181 2006-07-26 Jan Hubicka <jh@suse.cz>
3183 PR tree-optimization/27882
3184 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3186 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3188 (cgraph_analyze_compilation_unit): Likewise.
3189 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3190 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3191 (cgraph_early_inlinine): Make order garbage collected.
3192 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3194 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3196 * dbxout.c (output_types_sort): Add a comment.
3197 (output_used_types): Free the VEC.
3199 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3201 * function.c (reorder_fix_fragments): Delete.
3202 (reorder_blocks): Don't call it.
3203 (reorder_blocks_1): Put all subblocks under the origin block.
3205 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3207 PR rtl-optimization/27907
3208 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3211 2006-07-25 Roger Sayle <roger@eyesopen.com>
3214 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3215 bar(x) check that bar's result type can represent all the values of T.
3217 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3219 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3221 2006-07-25 Nick Clifton <nickc@redhat.com>
3223 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3224 size_lookup[] array.
3225 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3226 (ggc_pch_count_object): Likewise.
3227 (ggc_pch_alloc_object): Likewise.
3228 (ggc_pch_write_object): Likewise.
3229 (init_ggc): Do not attempt to initialize entries in the
3230 size_lookup[] array for objects whose size is greater than than
3231 the length of the array.
3233 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3235 * dbxout.c (output_used_types_helper): Push queued types
3237 (output_types_sort): New.
3238 (output_used_types): Collect used types on a VEC and sort them
3241 2006-07-24 Richard Guenther <rguenther@suse.de>
3244 * cgraph.c (cgraph_remove_node): Do not check if dumps
3246 * cgraphunit.c (cgraph_optimize): Likewise.
3248 2006-07-24 Jan Hubicka <jh@suse.cz>
3250 PR rtl-optimization/28071
3251 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3252 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3253 splitting before first stmt.
3255 2006-07-24 Jan Hubicka <jh@suse.cz>
3257 PR rtl-optimization/28071
3258 * ipa-inline.c (update_caller_keys): Remove edges that
3259 are no longer inline candidates.
3261 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3264 * dbxout.c (output_used_types_helper, output_used_types): New.
3265 (dbxout_symbol): Call output_used_types.
3267 2006-07-23 Jan Hubicka <jh@suse.cz>
3271 * cgraph.c (cgraph_varpool_nodes): Export.
3272 (decide_is_variable_needed): Ignored "used" attribute in
3273 unit-at-a-time mode.
3274 * cgraph.h (cgraph_varpool_nodes): Declare.
3275 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3276 unit-at-a-time mode.
3278 2006-07-23 Roger Sayle <roger@eyesopen.com>
3281 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3282 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3283 the __gthrw form of thr_keycreate.
3284 (__gthread_key_delete): Silence the unused argument warning.
3286 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3289 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3290 Cache the last found '\0' marker to avoid quadratic behavior.
3292 2006-07-23 Jan Hubicka <jh@suse.cz>
3294 * i386.md (subsi_3_zext): Fix output template.
3296 2006-07-21 Mike Stump <mrs@apple.com>
3298 * doc/invoke.texi (C++ Dialect Options): Note that
3299 -fvisibility-inlines-hidden doesn't affect explicitly
3300 instantiationed inline methods.
3302 2006-07-20 Roger Sayle <roger@eyesopen.com>
3304 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3305 if the target assembler is GNU binutils' gas.
3306 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3307 whether to pass GNU gas or native as command line options.
3309 2006-07-20 Jason Merrill <jason@redhat.com>
3311 * tree.c (remove_attribute): New fn.
3312 * tree.h: Declare it.
3314 2006-07-20 Paul Brook <paul@codesourcery.com>
3317 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3318 they are invalidated by this instruction.
3320 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3323 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3325 2006-07-20 Eric Christopher <echristo@apple.com>
3328 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3330 2006-07-19 Eric Christopher <echristo@apple.com>
3332 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3333 Rewrite dependencies for libgcc_s.1.dylib.
3335 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3337 * except.c (duplicate_eh_regions_1): Clear next_peer.
3339 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3341 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3342 -mlongcall does not guarantee all calls will be long.
3343 * doc/extend.texi (long_call/short_call): Document that longcall
3344 does not guarantee a long call will be used.
3345 (longcall/shortcall): Likewise.
3347 2006-07-18 Roger Sayle <roger@eyesopen.com>
3350 * expmed.c (expand_shift): Additionally check that the shift_cost
3351 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3352 before implementing a LSHIFT_EXPR as a sequence of additions.
3353 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3354 middle-end that DImode shifts need to be synthesized by expand.
3356 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3359 * tree-ssa-operands.c (access_can_touch_variable): Update
3361 Return true if ALIAS is .GLOBAL_VAR.
3363 2006-07-18 David Daney <ddaney@avtrex.com>
3365 * gcc.c (display_help): Fix typo in help text.
3367 2006-07-18 Olivier Hainque <hainque@adacore.com>
3369 * tree.h (categorize_ctor_elements): Adjust prototype and add
3370 descriptive comment, both in accordance with the interface change
3372 * varasm.c (constructor_static_from_elts_p): New function.
3373 Whether a constructor node is a valid static constant initializer
3374 if all its elements are.
3375 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3376 * output.h: Declare it.
3377 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3378 is a valid constant initializer instead of computing the number of
3379 non-constant elements. Use constructor_static_from_elts_p for this
3380 purpose. Replace the head comment with an indication that this is a
3381 helper for categorize_ctor_elements.
3382 (categorize_ctor_elements): Same interface change as for the _1
3383 helper. Former head comment from this helper moved here, adjusted to
3384 account for the interface changes.
3385 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3386 (all_zeros_p): Likewise.
3387 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3388 static versions of the constructor from the categorize_ctor_elements
3389 return value instead of the formerly computed number of non-constant
3392 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3394 * configure: Regenerate.
3395 * Makefile.in (build_libsubdir): New configure substitution
3396 (build_libobjdir): New variable.
3397 (BUILD_LIBIBERTY): Use it.
3399 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3402 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3404 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3407 * c-common.c (handle_weakref_attribute): Ignore attribute in
3408 the same conditions the alias attribute is ignored.
3410 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3412 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3413 (dbxout_begin_prologue): Increment scope_labelno.
3415 2006-07-17 Richard Henderson <rth@redhat.com>
3418 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3421 2006-07-17 Roger Sayle <roger@eyesopen.com>
3422 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3424 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3425 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3426 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3427 functions such as sbrk, write, etc.. Add function prototypes.
3428 Convert function declarations from K&R to ISO C. Cast pointers
3429 to "long" and "unsigned long" instead of "int" and "unsigned int".
3430 Convert tokens following #endif into comments.
3432 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3434 * invoke.texi: Remove mention of f77; Reformat table for
3435 inline parameter options correctly; mention that -malign-double
3436 is default on x86-64 targets.
3438 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3440 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3441 (convert_affine_scev, chrec_convert_aggressive): Use
3442 avoid_arithmetics_in_type_p. Do not check for the subtypes
3445 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3448 * optabs.c (expand_doubleword_shift): Wrap the call to
3449 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3451 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3454 * optabs.c (expand_binop): Pass next_methods rather than methods
3455 to expand_doubleword_shift.
3457 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3460 * tree.h (dump_addr): Declare.
3461 * print-tree.c (dump_addr): New function.
3462 (print_node_brief, print_node): Use it.
3463 * print-rtl.c (print_rtx): Likewise.
3464 * common.opt (-fdump-noaddr): New option.
3465 * doc/invoke.texi (-fdump-noaddr): Document.
3466 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3467 (ve_info_hash): Likewise.
3469 2006-07-13 Andrew Haley <aph@redhat.com>
3471 PR tree-optimization/19505
3472 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3473 edge leaving this block, make sure that the destination of this
3474 block has only one predecessor.
3476 2006-07-17 Richard Guenther <rguenther@suse.de>
3478 PR tree-optimization/28238
3479 * tree-inline.c (copy_bb): Check if we produced valid
3480 gimple copying and substituting a stmt. If not, gimplify
3483 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3485 * optabs.c (maybe_encapsulate_block): New function extracted from...
3486 (emit_libcall_block): ...here. Invoke it on the block of insns to
3487 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3488 (emit_no_conflict_block): Likewise.
3490 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3492 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3494 2006-07-15 Roger Sayle <roger@eyesopen.com>
3496 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3497 a new NOP_EXPR case of the switch statement.
3499 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3502 * stor-layout.c (place_field): Take the bit field with
3503 an excessive size into account in the ms-bitfiled case.
3506 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3507 the previous bit field.
3509 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3512 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3514 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3516 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3517 signal frames correctly even when the signal was installed with
3520 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3522 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3523 (dbxout_function_end): Use local label LFBB. Remove hook
3525 (dbxout_source_line): Use local label LFBB.
3526 (dbxout_block): Likewise.
3527 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3528 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3529 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3530 and DBX_OUTPUT_NFUN.
3532 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3534 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3536 2006-07-13 Jan Hubicka <jh@suse.cz>
3538 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3540 * output.h (align_variable): Declare.
3541 * varasm.c (align_variable): Export.
3542 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3543 when basic block changed.
3545 2006-07-13 Nick Clifton <nickc@redhat.com>
3547 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3548 walking the LOG_LINKS chain.
3550 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3552 * doc/invoke.texi (C++ Dialect Options): Explain difference
3553 between -fvisibility-inlines-hidden and setting hidden
3554 visibility explicitly.
3556 2006-07-12 Eric Christopher <echristo@apple.com>
3558 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3559 (stmp-lipo): Depend on libgcc.a.
3561 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3563 * tree.c: Fix a comment typo.
3565 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3567 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3569 (umulhisi3_r): Likewise.
3571 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3574 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3575 x < 19, vs wchar_t support.
3577 2006-07-12 Nick Clifton <nickc@redhat.com>
3579 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3580 instead of -isa=sh4.
3582 2006-07-12 Mike Stump <mrs@apple.com>
3584 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3586 2006-07-10 Eric Christopher <echristo@apple.com>
3588 * config/t-slibgcc-darwin: Rewrite.
3590 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3593 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3596 2006-07-08 Matthias Klose <doko@debian.org>
3598 * doc/sourcebuild.texi: Fix typo.
3600 2006-07-07 Mike Stump <mrs@apple.com>
3602 * toplev.c (process_options): Don't give -ffunction-sections may
3603 affect debugging warning for Mach-O.
3605 2006-07-07 James E Wilson <wilson@specifix.com>
3607 * config/mips/mips.md (cpu): Add sb1a.
3608 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3609 addition to sb1. Adjust comments to clarify SB-1A differences from
3611 (ir_sb1a_load): New. Modify bypasses to use it.
3612 (ir_sb1a_simple_alu): Likewise.
3613 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3614 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3615 (mips_issue_rate): Add PROCESSOR_SB1A.
3616 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3617 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3618 (TARGET_SB1): Add PROCESSOR_SB1A check.
3619 (TUNE_SB1): Likewise.
3621 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3622 * config/mips/mips.c (mips_store_data_bypass_p): New.
3623 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3624 store_data_bypass_p.
3626 2006-07-08 Paul Brook <paul@codesourcery.com>
3629 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3631 2006-07-07 Richard Guenther <rguenther@suse.de>
3634 * tree.h (build_one_cst): Declare.
3635 * tree.c (build_one_cst): New function.
3636 * tree-ssa-math-opts.c (get_constant_one): Remove.
3637 (insert_reciprocals): Use build_one_cst.
3638 * fold-const.c (fold_plusminus_mult): Likewise.
3640 2006-07-07 Roger Sayle <roger@eyesopen.com>
3642 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3643 * cfgloopanal.c (dump_graph): Likewise.
3644 * dojump.c (discard_pending_stack_adjust): Likewise.
3645 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3647 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3648 * function.c (finalize_block_changes): Likewise.
3649 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3650 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3651 * rtl.c (dump_rtx_statistics): Likewise.
3652 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3654 * varray.c (dump_varray_statistics): Likewise.
3655 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3656 decode_decimal64, encode_decimal128, decode_decimal128,
3657 decimal_real_to_decimal): Likewise.
3659 2006-07-07 Richard Guenther <rguenther@suse.de>
3661 PR tree-optimization/28187
3662 * tree-vrp.c (vrp_operand_equal_p): New function.
3663 (vrp_bitmap_equal_p): Likewise.
3664 (update_value_range): Use them to compare old and new
3667 2006-07-06 Roger Sayle <roger@eyesopen.com>
3669 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3670 a default case to switch statement to silence compiler warnings.
3672 2006-07-06 Roger Sayle <roger@eyesopen.com>
3675 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3676 the configured assembler supports the x87's ffreep mnemonic.
3677 * configure: Regenerate.
3678 * config.in: Regenerate.
3680 * config/i386/i386.c (output_387_ffreep): New function.
3681 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3682 (output_387_reg_move): Likewise.
3684 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3686 Port to hosts whose 'sort' and 'tail' implementations
3687 treat operands with leading '+' as file names, as POSIX
3688 has required since 2001. However, make sure the code still
3689 works on pre-POSIX hosts.
3690 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3691 which says you should use "tail -c +N" rather than "tail +Nc".
3692 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3694 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3696 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3699 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3702 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3703 PRE_{INC,DEC} of TFmode.
3705 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3706 Alan Modra <amodra@bigpond.net.au>
3709 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3712 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3715 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3716 Remove duplicate gtu.
3718 2006-07-05 Jason Merrill <jason@redhat.com>
3722 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3723 * c-common.c (handle_packed_attribute): So don't copy it here.
3724 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3726 2006-07-05 Mike Stump <mrs@apple.com>
3728 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3730 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3733 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3735 2006-07-05 Richard Guenther <rguenther@suse.de>
3738 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3739 TARGET_SSE2 targets if using SSE math.
3740 (*absdf2_1): Likewise.
3742 2006-07-05 Richard Guenther <rguenther@suse.de>
3744 PR tree-optimization/28162
3745 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3746 make sure to convert the operands to the correct type.
3748 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3750 PR tree-optimization/28218
3752 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3753 to calculate and free the dominator information.
3755 2006-07-04 Peter O'Gorman <peter@pogma.com>
3757 * mklibgcc.in: chmod 644 before ranlib during install.
3759 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3760 J"orn Rennecke <joern.rennecke@st.com>
3762 * configure.ac (.eh_frame data check): Use diff -b.
3764 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3767 * Makefile.in (BUILD_RTL): Add build/vec.o.
3768 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3769 (build/genextract): Delete.
3770 (build/genautomata): Likewise.
3772 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3775 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3776 128-bit IBM long doubles for ABI_V4.
3778 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3780 * tree.c (range_in_array_bounds_p): New predicate.
3781 * tree.h (range_in_array_bounds_p): Declare it.
3782 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3783 return a less conservative answer.
3784 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3785 and flag 'is_group'.
3786 (IS_ELEMENT_FOR_GROUP): New macro.
3787 (FOR_EACH_ACTUAL_CHILD): Likewise.
3788 (next_child_for_group): New helper function.
3789 (can_completely_scalarize_p): Take into account groups.
3790 (sra_hash_tree): Handle RANGE_EXPR.
3791 (sra_elt_eq): Likewise.
3792 (lookup_element): Be prepared for handling groups.
3793 (is_valid_const_index): Delete.
3794 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3795 instead of is_valid_const_index.
3796 <ARRAY_RANGE_REF>: New case.
3797 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3798 is_valid_const_index.
3799 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3800 (scan_dump): Dump info for groups too.
3801 (decide_instantiation_1): Likewise.
3802 (decide_block_copy): Assert that the element is not a group.
3803 Propagate decision to groups.
3804 (generate_one_element_ref): Handle RANGE_EXPR.
3805 (mark_no_warning): Iterate over actual childs.
3806 (generate_copy_inout): Likewise.
3807 (generate_element_copy): Likewise.
3808 (generate_element_zero): Likewise.
3809 (generate_element_init_1): Likewise.
3810 (dump_sra_elt_name): Handle RANGE_EXPR.
3812 2006-07-03 Roger Sayle <roger@eyesopen.com>
3814 PR tree-optimization/26251
3815 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3816 (thread_block): When optimizing for size refuse to thread jumps
3817 that would require duplication of blocks other than redirection
3820 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3822 * configure.ac: Fix thinko in previous check-in.
3823 * configure: Regenerate.
3825 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3828 * configure.ac (for lang...): Simplify nesting of conditionals.
3829 Test subdir_requires for non-enabled languages. Move processing
3830 of lang_opt_files and lang_tree_fiels below that test.
3831 * configure: Regenerate.
3832 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3834 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3836 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3838 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3840 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3843 2006-06-29 Jason Merrill <jason@redhat.com>
3850 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3851 * c-common.c (c_determine_visibility): Handle it here.
3852 * c-decl.c (finish_decl): Call c_determine_visibility for
3854 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3856 * varasm.c (default_assemble_visibility): Likewise.
3857 * c-common.c (handle_visibility_attribute): Complain about trying
3858 to give visibility to an already defined class, or trying to change
3859 declared visibility. Always attach the attribute.
3864 * attribs.c (decl_attributes): Ignore type-in-place attributes
3865 once the type has been defined.
3867 2006-06-29 Roger Sayle <roger@eyesopen.com>
3870 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3871 to indicate the cpplib has issued an error message for us.
3873 2006-06-29 Asher Langton <langton2@llnl.gov>
3876 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3877 insert a label at the end of an function under Mach-O.
3879 2006-06-29 Eric Christopher <echristo@apple.com>
3880 Evan Cheng <evan.cheng@apple.com>
3882 * predicates.md (vector_all_ones_operand): New.
3883 (nonimmediate_or_sse_const_operand): Ditto.
3884 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3885 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3886 (standard_sse_mode_p): Ditto.
3887 (standard_sse_constant_p): Add case for -1 vector.
3888 (ix86_expand_vector_move): Try to use.
3889 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3890 Call standard_sse_constant_opcode.
3891 (*movv4sf_internal): Ditto.
3892 (*movv2df_internal): Ditto.
3894 2006-06-29 Roger Sayle <roger@eyesopen.com>
3896 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3897 of XEXP to extract the operands of a MATCH_CODE rtx.
3899 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3901 * tree.c (tree_size): Do not waste tail padding in
3902 struct tree_string and make the size be the same as
3903 build_string will generate.
3905 2006-06-28 Jason Merrill <jason@redhat.com>
3908 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3909 may_aliases already in the tag's annotations to the bitmap.
3911 2006-06-28 Roger Sayle <roger@eyesopen.com>
3913 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3915 2006-06-28 Roger Sayle <roger@eyesopen.com>
3917 * genpreds.c (generate_switch_p): New function.
3918 (add_mode_tests): Push the new mode test down inside an AND expr
3919 if this allows the switch-suitable MATCH_CODE to be near the root.
3920 (write_match_code_switch): New function to write a MATCH_CODE as
3922 (write_predicate_stmts): New function to write a predicate RTX
3923 expression as a sequence of statements.
3924 (write_one_predicate_function): Use write_predicate_stmts.
3925 (write_tm_constrs_h): Likewise.
3927 2006-06-26 Fred Fish <fnf@specifix.com>
3929 * config/mips/t-sb1: New file.
3930 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3933 2006-06-26 DJ Delorie <dj@redhat.com>
3935 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3937 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3938 Jayant Sonar <jayants@kpitcummins.com>
3939 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3941 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3942 (subsi3, subsi3_1, subsi3_2): New.
3943 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3944 * config/m32c/mov.md (SI mov peephole): New.
3945 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3946 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3948 2006-06-26 Olivier Hainque <hainque@adacore.com>
3950 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3951 a CALL_EXPR target function declaration.
3953 2006-06-26 Richard Guenther <rguenther@suse.de>
3955 * tree.c (build_string): Do not waste tail padding in
3958 2006-06-26 Richard Guenther <rguenther@suse.de>
3960 * ggc-page.c (init_ggc): Add missing element to size_lookup
3964 2006-06-23 Richard Guenther <rguenther@suse.de>
3966 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3967 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3968 alignment requests instead. Add verification code.
3969 Add struct tree_function_decl and struct tree_binfo size to
3970 extra_order_size_table. Add missing element to size_lookup
3973 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3976 * fold-const.c (const_binop): Be prepared for self returning zero.
3977 Simplify code handling complex values.
3979 2006-06-24 Olivier Hainque <hainque@adacore.com>
3981 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3982 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3985 2006-06-24 Olivier Hainque <hainque@adacore.com>
3987 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3988 ARRAY_REF, so have the callback called for the low bound expression.
3990 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3992 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3993 * c-typeck.c (c_common_type): Disallow operations on decimal float
3994 types and other float types.
3995 * convert.c (convert_to_real): Don't ignore conversions involving
3996 decimal float types.
3998 2006-06-23 Olivier Hainque <hainque@adacore.com>
4000 * tree.c (max_int_size_in_bytes): New function, inspired from
4001 code in function.c:assign_temp.
4002 * tree.h (max_int_size_in_bytes): Declare.
4003 * function.c (assign_temp): Use it.
4004 * gimplify.c (create_tmp_var): Relax the assertions on the type
4005 properties, not mandating constant size any more.
4006 (force_constant_size): New static function.
4007 (gimple_add_tmp_var): Use it, forcing variable size to a
4008 constant upper bound if it is not constant on entry.
4010 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4013 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4014 for initialization and setting of one_only flag to ...
4015 (i386_pe_encode_section_info): ...here.
4016 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4017 Recheck that the symbol has not been defined.
4019 2006-06-23 Richard Guenther <rguenther@suse.de>
4021 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4022 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4023 alignment requests instead. Add verification code.
4024 Add struct tree_function_decl and struct tree_binfo size to
4025 extra_order_size_table. Add missing element to size_lookup
4028 2006-06-22 Roger Sayle <roger@eyesopen.com>
4029 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4032 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4033 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4035 2006-06-23 Ben Elliston <bje@au.ibm.com>
4037 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4038 negate dn -- manipulate it directly.
4040 2006-06-22 Roger Sayle <roger@eyesopen.com>
4041 Steven Bosscher <stevenb.gcc@gmail.com>
4044 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4045 generated by gen_move_insn to add REG_LABEL notes if necessary.
4047 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4049 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4050 (leaf_entry): Remove use of MIN_ESA.
4052 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4054 PR rtl-optimization/28121
4055 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4058 2006-06-21 DJ Delorie <dj@redhat.com>
4060 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4062 (mulhisi3_r): Likewise.
4064 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4067 * coverage.c (coverage_counter_alloc): Leave the index type
4069 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4072 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4074 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4075 section from the "Options for Code Generation Conventions".
4077 2006-06-21 Richard Henderson <rth@redhat.com>
4081 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4083 (global_symbolic_operand): Allow weak symbols, even if local_p.
4085 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4087 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4088 (find_interesting_uses_address): Punt if above function returns true.
4090 2006-06-21 Richard Guenther <rguenther@suse.de>
4092 * configure: Regenerated.
4094 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4096 * config/mips/mips.c (function_arg): Where one part of a
4097 complex argument is in registers and the other part in the stack,
4098 return a REG not a PARALLEL.
4100 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4102 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4103 when cross-compiling. Do not substitute libstdcxx_incdir.
4104 * configure: Regenerated.
4106 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4108 * varasm.c (mergeable_string_section): Check for embedded NULs and
4109 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4110 rather than TREE_STRING_LENGTH bytes.
4112 2006-06-21 Richard Guenther <rguenther@suse.de>
4114 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4115 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4118 2006-06-21 Richrad Guenther <rguenther@suse.de>
4120 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4121 Limit iteration over the dominators.
4123 2006-06-20 Roger Sayle <roger@eyesopen.com>
4125 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4126 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4128 2006-06-20 Richard Guenther <rguenther@suse.de>
4129 Michael Matz <matz@suse.de>
4131 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4133 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4134 * et-forest.h (et_free_pools): Prototype new function.
4135 * et-forest.c (et_free_tree_force): Free parent occurrence.
4136 (et_free_pools): New function.
4137 * dominance.c (free_dominance_info): Free et-forest alloc
4140 2006-06-20 Roger Sayle <roger@eyesopen.com>
4142 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4143 integer modes, attempt to directly construct an integer constant.
4145 * fold-const.c (native_encode_vector): Determine the size of each
4146 element from the vector type instead of the first vector element.
4148 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4149 if all of its elements/components are constant.
4150 (build_constructor_from_list): Likewise.
4152 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4154 PR tree-optimization/27331
4155 * tree-data-ref.c (free_data_ref): New function.
4156 (create_data_ref): Fail if the data reference has unknown access
4158 (free_data_refs): Use free_data_ref.
4160 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4163 * tree-inline.c (setup_one_parameter): Strip useless
4164 type conversion before adding it to the IR.
4165 (declare_return_variable): Likewise.
4167 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4170 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4172 2006-06-19 Mike Stump <mrs@apple.com>
4174 * tree.c (variably_modified_type_p): VM arguments don't make the
4177 2006-06-19 Richard Guenther <rguenther@suse.de>
4179 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4180 type conversions after folding.
4182 2006-06-19 Richard Guenther <rguenther@suse.de>
4184 * ggc-page.c (extra_order_size_tab): Add entries with
4185 size of struct function and basic_block.
4186 (size_lookup): Extend to cover sizes up to 511.
4187 (ggc_alloc_stat): Adjust user.
4188 (ggc_pch_count_object): Likewise.
4189 (ggc_pch_alloc_object): Likewise.
4190 (ggc_pch_write_object): Likewise.
4192 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4194 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4195 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4198 2006-06-19 Denis Chertykov <denisc@overta.ru>
4200 * config/avr/libgcc.S : Correct my wrong previous commit.
4202 2006-06-19 Roger Sayle <roger@eyesopen.com>
4205 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4206 have stripped a SUBREG from the shift count, so we may need to
4207 convert_to_mode back to the type's mode before calling make_tree.
4208 Use new_amount instead of amount to avoid expanding a tree twice.
4210 2006-06-19 Richard Guenther <rguenther@suse.de>
4213 * fold-const.c (operand_equal_p): Check if the argument types
4214 have the same precision before stripping NOPs.
4216 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4218 Fix PR tree-optimization/27341
4219 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4221 * tree-complex.c (pass_lower_complex): Update SMT usage.
4223 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4225 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4226 Add a new alternative to the constraint strings. Add move of
4227 operand 1 to 3 to the splitter definition.
4228 ("doloop_si_long"): Second contraint alternative removed.
4230 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4232 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4233 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4235 (AVR_HAVE_MOVW) Define.
4236 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4237 (ASM_SPEC): Add avr25.
4238 (LINK_SPEC): Add avr25.
4239 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4240 (base_arch_s): Add new member 'have_movw_lpmx'.
4241 (avr_arch_types): Init 'have_movw_lpmx'.
4242 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4243 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4244 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4245 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4246 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4248 (avr_file_start): Do not output '.arh' derective.
4249 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4250 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4251 * config/avr/avr.md (mcu_enhanced): Delete.
4252 (mcu_have_movw): Define.
4253 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4254 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4255 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4256 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4257 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4258 attiny861 and at86rf401 devices.
4260 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4262 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4265 2006-06-17 Karl Berry <karl@gnu.org>
4267 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4268 doc/gccint.texi, doc/install.texi (@dircategory): Use
4269 "Software development" instead of "Programming", following
4270 the Free Software Directory.
4272 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4274 * config/i386/i386.c (legitimate_tls_address)
4275 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4276 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4277 (*tls_dynamic_gnu2_combine_64): Likewise.
4279 2006-06-16 Richard Guenther <rguenther@suse.de>
4282 * fold-const.c (negate_expr_p): Do not introduce undefined
4283 overflow in negating INTEGER_CSTs.
4284 (fold_negate_expr): Rename from negate_expr. Revert last
4285 change for folding BIT_NOT_EXPR. Change semantics to
4286 return NULL_TREE for non-simplified negations. Do not
4287 strip type conversions and unify type handling.
4288 (negate_expr): New function, wrap around fold_negate_expr
4289 but ensure building a tree always. Strip type conversions
4290 here, fold to result type.
4291 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4293 2006-06-16 Roger Sayle <roger@eyesopen.com>
4296 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4297 that (would) return their results in stack registers.
4299 2006-06-16 Michael Matz <matz@suse.de>
4300 Richard Guenther <rguenther@suse.de>
4302 * fold-const.c (fold_truthop): Only return new tree node if
4303 we canonicalized something.
4305 2006-06-16 Richard Guenther <rguenther@suse.de>
4307 * function.h (enum function_frequency): Move declaration
4308 out of struct function.
4309 (struct function): Move bool fields and the enum to the bitfield
4310 section. Reorder elements to avoid padding. Remove unused
4311 fields left over from the RTL inliner removal.
4312 * function.c (free_after_compilation): Do not zero removed fields.
4313 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4314 (ipa-type-escape.o): Likewise.
4316 2006-06-16 Richard Guenther <rguenther@suse.de>
4318 * cgraph.h (struct cgraph_local_info): Turn bool elements
4320 (struct cgraph_node): Likewise.
4321 (struct cgraph_varpool_node): Likewise.
4323 2006-06-15 Richard Guenther <rguenther@suse.de>
4325 * fold-const.c (fold_truth_not_expr): Rename from
4326 invert_truthvalue. Give it fold_* semantics to avoid
4328 (invert_truthvalue): New function. Wrapper around
4329 fold_truth_not_expr.
4330 (optimize_minmax_comparison): Avoid creating garbage.
4331 (fold_unary): Use fold_truth_not_expr for folding
4333 (fold_ternary): Replace uses of invert_truthvalue with
4334 fold_truth_not_expr where applicable.
4335 * tree.h (fold_truth_not_expr): Prototype.
4337 2006-06-16 Richard Guenther <rguenther@suse.de>
4339 PR tree-optimization/27781
4340 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4341 * ipa-pure-const.c (target.h): Include.
4342 (analyze_function): Do not analyze functions that do not
4345 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4348 * tree-dfa.c (referenced_vars_dup_list): Remove.
4349 (find_referenced_vars): Remove assert.
4350 (referenced_var_check_and_insert): Replace dup list with assert.
4351 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4352 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4354 2006-06-15 Richard Guenther <rguenther@suse.de>
4356 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4357 extra unused identifiers if not dumping.
4358 (create_variable_info_for): Likewise.
4360 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4362 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4363 (derive_constant_upper_bound): Derive more precise upper bound in
4364 common cases. Return type changed to double_int.
4365 (record_estimate): Reflect the changed return type of
4366 derive_constant_upper_bound.
4367 * double-int.c (double_int_zext, double_int_sext): Fix.
4369 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4371 * configure.ac (CFLAGS): Get them from the toplevel or from the
4372 configure invocation.
4373 * configure: Regenerate.
4374 * Makefile.in (CFLAGS): Substitute value provided by configure.
4376 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4379 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4380 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4381 rather than calling add_stmt on it.
4382 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4384 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4387 * reload1.c (reload): Remove registers returned by update_eliminables
4388 from used_spill_regs.
4390 2006-06-13 DJ Delorie <dj@redhat.com>
4392 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4394 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4396 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4397 html__strip_dir, html__mkdir_p. Enhance install-html target.
4398 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4399 * configure: Regenerate.
4401 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4403 * fold-const.c (fold_cond_expr_with_comparison): Check for
4404 Objective-C++ as language in deciding COND_EXPR transformation.
4406 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4409 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4410 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4411 * config/sh/lib1funcs.h (SL, SL1): Define.
4412 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4413 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4414 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4415 (OBJS_Os_4_200): New variable.
4416 ($(T)libgcc-Os-4-200.a): Use it.
4417 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4418 when dividing 1 and/or by 0.
4420 2006-06-13 Roger Sayle <roger@eyesopen.com>
4422 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4423 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4424 * configure: Regenerate.
4426 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4428 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4429 for real instruction.
4431 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4434 * haifa-sched.c (check_cfg): Handle special case.
4436 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4439 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4440 Add debug_info parameter. Chain the vars to the BLOCK instead
4441 of the BIND_EXPR if debug info are requested for them.
4442 (pop_gimplify_context): Adjust for above change.
4443 (gimple_add_tmp_var): Likewise.
4444 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4446 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4447 (convert_local_reference): Likewise.
4448 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4449 (finalize_nesting_tree_1): Request that debug info be emitted
4450 for debug_var_chain.
4452 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4454 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4455 for PR target/27863.
4457 2006-06-13 Richard Guenther <rguenther@suse.de>
4460 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4462 2006-06-13 Richard Guenther <rguenther@suse.de>
4464 PR tree-optimization/27830
4465 * tree-inline.c (copy_body_r): For copying the operand
4466 of an ADDR_EXPR make sure to fold &* afterwards.
4468 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4470 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4471 lvalues in the fb_none case with side-effects.
4473 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4475 * tree-flow.h: Remove the prototype for
4476 compute_phi_arg_on_exit.
4477 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4478 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4481 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4483 * builtins.c (expand_builtin_return_addr): Only use
4484 frame_pointer_rtx when count == 0 and we are expanding
4485 __builtin_return_address.
4487 2006-06-12 Fred Fish <fnf@specifix.com>
4489 * config/mips/mips.c (mips_file_start): Create special section
4490 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4492 2006-06-11 Eric Christopher <echristo@apple.com>
4495 * stor-layout.c (place_field): Remove check for
4496 remaining_in_alignment when aligning at the end of a run.
4498 2006-06-11 Eric Christopher <echristo@apple.com>
4501 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4504 2006-06-11 Roger Sayle <roger@eyesopen.com>
4507 Revert incorrect fix for PR target/27158
4508 2006-05-08 Roger Sayle <roger@eyesopen.com>
4509 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4510 of a reg_equiv_constant if the result is a legitimate constant.
4512 2006-06-11 Roger Sayle <roger@eyesopen.com>
4515 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4516 extract a CONST_VECTOR element and interpret it as an integer.
4517 (vspltis_constant): Use const_vector_elt_as_int instead of the
4518 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4519 * config/rs6000/predicates.md (easy_vector_const): Consider
4520 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4522 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4525 * stor-layout.c (update_alignment_for_field): Don't add extra
4526 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4529 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4531 * config/mips/t-rtems: Add EL/EB multilib variants.
4533 2006-06-09 Mike Stump <mrs@apple.com>
4535 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4537 2006-06-09 David Daney <ddaney@avtrex.com>
4539 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4541 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4543 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4545 2006-06-09 Richard Guenther <rguenther@suse.de>
4547 PR tree-optimization/26998
4548 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4549 of signed types, only TYPE_MIN_VALUE is special, but for both,
4550 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4551 in this case, as is -fwrapv.
4553 2006-06-08 Mike Stump <mrs@apple.com>
4556 * config/darwin.c (darwin_asm_output_anchor): Disable
4557 -fsection-anchors on darwin for now.
4558 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4559 * rs6000/rs6000.c (optimization_options): Likewise.
4561 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4564 * config/i386/i386.c (classify_argument): Skip fields with invalid
4567 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4569 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4570 (cse_insn): Likewise for the stack_pointer_rtx.
4572 2006-06-08 Roger Sayle <roger@eyesopen.com>
4574 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4575 conditions from floating point comparisons.
4577 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4580 * expmed.c (struct alg_hash_entry): Fix type of field T
4581 to match synth_mult argument.
4582 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4584 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4587 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4590 2006-06-08 Richard Guenther <rguenther@suse.de>
4593 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4594 only, if overflow is defined and not trapping.
4595 (negate_expr): Likewise.
4597 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4599 PR tree-optimization/27872
4600 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4601 flag on the new exit edge of the unrolled loop.
4603 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4605 PR rtl-optimization/26449
4606 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4608 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4611 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4612 referenced_variables with matching DECL_UID's.
4613 (find_referenced_vars): Make sure duplicate list is empty to start.
4614 (referenced_var_p): Remove.
4615 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4616 Check if var is in the list, and add if needed. Update the duplicate
4617 list if a different var is in the list with the same DECL_UID.
4618 (add_referenced_var): Call routine to check and insert.
4619 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4620 * tree-flow.h (referenced_vars_dup_list): External declaration.
4622 2006-06-07 Fred Fish <fnf@specifix.com>
4624 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4627 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4630 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4631 the imaginary and real parts of a clobbered register.
4632 Emit insn to set the imaginary part.
4634 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4636 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4637 in lieu of unwind-dw2-fde.c.
4639 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4641 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4643 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4646 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4647 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4648 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4649 V4SImode temporaries and operations instead.
4651 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4653 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4656 2006-06-06 Mike Stump <mrs@apple.com>
4658 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4659 installing during build.
4661 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4663 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4665 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4666 * config/ia64/ia64.c (params.h): New header.
4667 (ia64_optimization_options): New function to adjust parameters.
4668 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4669 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4670 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4672 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4674 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4676 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4679 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4681 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4682 Victor Kaplansky <victork@il.ibm.com>
4684 PR tree-optimization/26360
4685 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4688 2006-06-04 Roger Sayle <roger@eyesopen.com>
4689 Andrew Pinski <pinskia@physics.uc.edu>
4692 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4693 for LABEL_DECL before calling DECL_WEAK.
4696 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4697 LABEL_DECL and PARM_DECL.
4699 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4703 * c-decl.c (grokdeclarator): Disallow variably modified types at
4704 file scope. Avoid marking shared array type of constant size as
4707 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4710 * c-common.c (fold_offsetof_1): Handle static members.
4712 2006-06-04 Eric Christopher <echristo@apple.com>
4714 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4715 (debug_rli): Output value for remaining_in_alignment.
4716 (update_alignment_for_field): Unconditionalize
4717 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4718 extra alignment code.
4719 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4720 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4721 * tree.h (record_layout_info_s): Remove prev_packed.
4722 * doc/extend.texi (ms_struct): Add documentation of format.
4724 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4726 * tree.h: Declare folding_initializer.
4727 * builtins.c (fold_builtin_constant_p): Give definite answer
4728 if folding inside an initializer.
4729 * fold-const.c: Define folding_initializer.
4730 (START_FOLD_INIT): Save and then set folding_initializer.
4731 (END_FOLD_INIT): Restore folding_initializer.
4733 2006-06-04 Richard Guenther <rguenther@suse.de>
4735 PR tree-optimization/27039
4736 * fold-const.c (fold_comparison): Handle pointer comparison
4737 again for all comparison codes. Compare offsets in signed
4739 (fold_binary): Move code from here.
4741 2006-06-03 Roger Sayle <roger@eyesopen.com>
4744 * config/i386/i386.c (construct_container): Split static issued_error
4745 flag into issued_sse_arg_error, issued_sse_ret_error and
4746 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4747 requires the use of x87 registers and the user explicitly
4748 specified the -mno-80387 command line option.
4750 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4752 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4753 HAVE_DECL_SIGALTSTACK.
4755 (segv_handler): Use MC_FLD.
4756 * configure.ac: Check for a sigaltstack declaration.
4757 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4758 * configure: Regenerate.
4759 * config.in: Regenerate.
4761 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4764 * Makefile.in (stmp-fixinc): Fix typo.
4766 2006-06-02 Roger Sayle <roger@eyesopen.com>
4768 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4769 are type correct. Clean-up.
4770 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4771 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4773 2006-06-01 DJ Delorie <dj@redhat.com>
4775 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4776 shift, as we've disabled the "switch" insn that needs it.
4778 2006-06-01 Per Bothner <bothner@bothner.com>
4780 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4781 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4782 * c-ppoutput.c (cb_define): Don't increment line 0.
4784 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4786 * doc/invoke.texi: Add cpu_type power6.
4787 * config.gcc: Add cpu_type power6.
4788 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4789 to power5+ with Altivec.
4790 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4791 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4793 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4795 * config/avr/avr.h (SET_ASM_OP): Define.
4797 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4799 * config/bfin/bfin.c: Fix comment typos.
4801 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4804 * doc/install.texi: Document --enable-bootstrap and
4805 --disable-bootstrap.
4807 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4809 * doc/install.texi: Document that InfoZIP can replace jar.
4811 2006-05-31 Roger Sayle <roger@eyesopen.com>
4813 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4814 isn't available, directly generate the simpler x87 patterns without
4815 the (use (const_int 0)).
4816 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4817 implementation isn't available.
4818 (*negdf2_1): Likewise.
4819 (*negxf2_1): XF mode negation is always done using the x87.
4820 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4822 2006-05-31 Roger Sayle <roger@eyesopen.com>
4824 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4825 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4827 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4829 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4831 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4832 * config/bfin/bfin.c (basic-block.h): Include.
4833 (struct machine_function): New.
4834 (bfin_init_machine_status): New.
4835 (override_options): Initialize init_machine_status.
4836 (bfin_hardware_loop): New.
4837 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4838 (DEF_VEC_P (loop_info)): New.
4839 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4840 (struct loop_info): New.
4841 (loop_info): New typedef.
4842 (struct loop_work): New.
4843 (loop_work): New typedef.
4844 (DEF_VEC_O (loop_work)): New.
4845 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4846 (bfin_dump_loops): New.
4847 (bfin_bb_in_loop): New.
4848 (bfin_scan_loop): New.
4849 (bfin_optimize_loop): New.
4850 (bfin_reorg_loops): New.
4851 (bfin_reorg): Use bfin_reorg_loops.
4852 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4854 (I_REGNO_P): Simplify.
4855 (DP_REGNO_P, DPREG_P): New macros.
4856 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4857 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4858 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4859 Add LT_REGS, LC_REGS, LB_REGS.
4860 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4862 (REGNO_REG_CLASS): Deal with loop registers.
4863 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4865 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4866 New constants for loop registers.
4867 (UNSPEC_LSETUP_END): New.
4868 (seq_insns): New define_attr. Set it for appropriate insns.
4869 (movsi_insn): Add alternatives for move from/to
4870 loop count registers.
4871 (doloop_end): New define_expand.
4872 (loop_end): New define_insn.
4873 (define_split for bad doloop_end): New.
4874 (lsetup_with_autoinit): New define_insn.
4875 (lsetup_without_autoinit): New define_insn.
4876 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4877 * config/bfin/predicates.md (lc_register_operand): New.
4878 (lt_register_operand): New.
4879 (lb_register_operand): New.
4880 (nondp_register_operand): New.
4881 (nondp_reg_or_memory_operand): New.
4882 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4884 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4886 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4887 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4889 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4891 * Makefile.in (CATALOGS): Add po/ prefix.
4892 * configure: Regenerated.
4894 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4897 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4898 a shift operand before calling shift_op. Avoid redundant call of
4901 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4902 DJ Delorie <dj@redhat.com>
4904 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4905 we're inserting is a singlt-bit constant.
4907 2006-05-30 Roger Sayle <roger@eyesopen.com>
4909 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4910 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4912 2006-05-30 Roger Sayle <roger@eyesopen.com>
4914 PR tree-optimization/23452
4915 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4916 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4917 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4918 complex values and with -ffast-math for FP complex values.
4920 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4922 * c-common.h: Remove the prototype for yyparse.
4923 * rtl.h: Remove the prototype for init_loop.
4925 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4927 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4930 2006-05-30 Roger Sayle <roger@eyesopen.com>
4932 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4934 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4935 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4937 2006-05-30 Dirk Mueller <dmueller@suse.de>
4940 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4941 for CONSTANT_CLASS_P expresisons.
4943 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4946 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4948 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4950 PR tree-optimization/27779
4951 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4952 initial_condition instead of CHREC_LEFT.
4954 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4956 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4957 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4958 Make prototypes ISO C90.
4960 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4961 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4963 * see.c (see_analyze_one_def): Correct check.
4964 (see_get_extension_data): Check if extension is parallel.
4965 (see_get_extension_reg): Likewise.
4967 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4970 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4971 into register for (code == GTU).
4973 2006-05-29 Roger Sayle <roger@eyesopen.com>
4975 PR tree-optimization/24964
4976 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4977 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4978 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4979 abs(x)*abs(x) as x*x for scalar floating point modes.
4981 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4984 * lambda-code.c (perfect_nestify): Don't copy statements
4985 in the inner loop: move them to the inner loop header.
4987 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4990 * c-tree.texi: Document OpenMP directives and clauses.
4992 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4994 * varasm.c (globalize_decl): Fix indentation.
4996 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4999 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5000 pass_fre, pass_store_ccp, pass_copy_prop,
5001 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5002 pass_return_slot, pass_object_size, pass_lim,
5003 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5004 pass_loop_prefetch and pass_stdarg.
5006 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5008 * config/bfin/bfin.opt (mfdpic): New option.
5009 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5010 (EXTRA_MULTILIB_PARTS): Likewise.
5011 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5012 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5014 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5015 (CRT_CALL_STATIC_FUNCTION): New.
5016 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5018 (CRT_CALL_STATIC_FUNCTION): New.
5019 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5021 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5022 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5023 (initialize_trampoline): Changed to handle FD-PIC code generation.
5024 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5025 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5026 (override_options): Disallow -mid-shared-library -mfdpic combination.
5027 Can't do unaligned ops if FD-PIC.
5028 Turn off flag_pic if trying to generate non-id-shared-library
5029 non-fdpic code, since it's not supported.
5030 (bfin_assemble_integer): New function.
5031 (TARGET_ASM_INTEGER): Define.
5032 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5034 * config/bfin/crtn.s: Restore them.
5035 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5037 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5038 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5039 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5040 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5041 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5043 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5044 FDPIC_REGS and FDPIC_FPTR_REGS.
5045 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5046 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5047 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5048 (load_funcdescsi): New pattern.
5049 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5050 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5051 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5053 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5055 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5058 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5060 * tree-flow.h: Remove the prototype for add_type_alias.
5061 * tree-ssa-alias.c (add_type_alias): Remove.
5063 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5065 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5066 config/fr30/fr30.md, config/i386/i386-interix.h,
5067 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5068 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5069 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5070 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5071 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5072 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5073 Follow spelling conventions.
5074 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5075 Follow spelling conventions.
5077 2006-05-27 Richard Guenther <rguenther@suse.de>
5080 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5081 to produce a constant of value 1 of generic type.
5083 2006-05-27 Dirk Mueller <dmueller@suse.de>
5085 * cgraphunit.c (decide_is_function_needed): Fix wrong
5088 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5090 PR rtl-optimization/27661
5091 * reload.c (find_reloads): When reloading a VOIDmode constant
5092 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5093 use Pmode as mode of the reload register.
5095 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5097 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5098 is enabled at -O and above.
5100 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5103 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5106 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5109 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5110 for anonymous variables explicitly declared by front ends.
5112 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5114 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5115 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5116 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5117 ref-all pointers, run a finalization pass for them.
5118 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5119 (finalize_ref_all_pointers): New function.
5120 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5121 regular pointer type to a ref-all pointer type.
5122 (get_tmt_for): Return the special memory tag for ref-all pointers.
5124 2006-05-25 Richard Guenther <rguenther@suse.de>
5127 * fold-const.c (fold_binary): Do not look at the stripped
5128 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5130 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5132 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5133 for LT and GT if the computed range is effectively empty.
5135 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5138 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5139 mips_quad_format formats instead of ieee_single_format,
5140 ieee_double_format and ieee_quad_format formats, respectively.
5142 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5144 PR tree-optimization/27639
5145 PR tree-optimization/26719
5146 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5147 call to scev_probably_wraps_p.
5148 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5149 used_in_pointer_arithmetic_p, convert_step): Removed.
5150 (nowrap_type_p): New function.
5151 (scev_probably_wraps_p): Rewritten.
5152 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5153 chrec_convert if chrec_convert_aggressive might have been used.
5154 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5155 scev_direction): New functions.
5156 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5157 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5158 instead of convert_step.
5159 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5160 (convert_step): Declaration removed.
5161 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5163 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5165 * df-core.c: Added to header comments.
5166 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5167 df_ur_bb_info, df_urec_bb_info): Added comments.
5168 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5169 urec, ri problems): Fixed header comments.
5170 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5171 code from df_rd_transfer_function.
5173 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5175 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5176 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5177 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5179 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5181 * expr.c (undefined_operand_subword_p): New.
5182 (emit_move_multi_word): Do not generate move from undefined bits
5183 of a paradoxical subreg.
5185 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5187 PR rtl-optimization/27736
5188 * combine.c (replaced_rhs_value): New variable.
5189 (combine_instructions): Set it.
5190 (distribute_notes): When distributing a note in replaced_rhs_insn,
5191 check whether the value was used in replaced_rhs_value.
5193 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5196 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5197 add_referenced_var instead of add_referenced_tmp_var.
5198 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5199 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5201 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5202 tree_optimize_tail_calls_1): Use add_referenced_var.
5203 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5204 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5205 Use add_referenced_var.
5206 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5207 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5208 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5209 Use add_referenced_var.
5210 * tree-dfa.c (struct walk_state): Remove.
5211 (find_referenced_vars): Remove walk state and vars_found hash table.
5212 (make_rename_temp): Use add_referenced_var.
5213 (find_vars_r): Pass less parameters to add_referenced_var.
5214 (referenced_var_p): New. Is var in referenced_var hash table.
5215 (referenced_var_insert): Assert var isn't already in hash table.
5216 (add_referenced_var): Don't need walk_state parameter. Add var if it
5217 isn't already in the hash table.
5218 (add_referenced_tmp_var): Remove.
5219 (find_new_referenced_vars_1): Use add_referenced_var.
5220 * tree-ssa-pre.c (create_expression_by_pieces,
5221 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5222 Use add_referenced_var.
5223 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5224 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5225 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5227 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5228 vect_create_data_ref_ptr, vect_create_destination_var,
5229 vect_init_vector, vect_build_loop_niters,
5230 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5231 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5232 Use add_referenced_var.
5233 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5234 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5235 (add_referenced_var): Add prototype.
5236 * tree-ssa-structalias.c (get_constraint_for,
5237 intra_create_variable_infos): Use add_referenced_var.
5239 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5241 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5242 big-endian paradoxical subregs.
5243 * var-tracking.c (struct micro_operation_def): Document that,
5244 for modify micro operations, insn is the subsequent instruction.
5245 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5246 (var_reg_set, var_mem_set): ... new functions.
5247 (add_stores): Record subsequent insn.
5248 (compute_bb_dataflow): Use new functions for MO_USE.
5249 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5250 notes after the insn, and modify notes before the insn known
5251 to be the subsequent one.
5252 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5254 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5257 * config/i386/i386.c (ix86_expand_builtin): Use
5258 gen_sse3_monitor64 for TARGET_64BIT.
5260 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5262 PR rtl-optimization/26375
5263 PR rtl-optimization/26855
5264 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5266 (df_ru_bb_local_compute): Reversed statements and removed bogus
5267 comment explaining why they should be in wrong order.
5268 (df_ru_dump, df_rd_dump): Enhanced debug info.
5269 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5271 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5272 reaching uses and fixed space problem.
5274 2006-05-23 Jan Hubicka <jh@suse.cz>
5276 * cgraphunit.c (decide_is_function_needed): Also nested functions
5277 and functions declared inline can be optimized out at -O0.
5279 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5281 * doc/install.texi (Configuration): Remove reference to CrossGCC
5285 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5288 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5289 ix86_compare_emitted is non-NULL.
5291 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5294 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5297 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5299 PR rtl-optimization/25514
5300 * combine.c (replaced_rhs_insn): New variable.
5301 (combine_instructions): Set replaced_rhs_insn when trying to replace
5302 a SET_SRC with a REG_EQUAL note.
5303 (distribute_notes): Use replaced_rhs_insn when determining the live
5304 range of a REG_DEAD register.
5306 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5307 Anatoly Sokolov <aesok@post.ru>
5309 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5310 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5311 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5312 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5313 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5314 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5315 at90usb647, at90usb1286 and at90usb1287 devices.
5316 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5317 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5319 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5321 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5323 2006-05-22 Richard Guenther <rguenther@suse.de>
5326 2006-01-31 Richard Guenther <rguenther@suse.de>
5327 Paolo Bonzini <bonzini@gnu.org>
5329 * doc/install.texi (--disable-libgcc-math): Document.
5331 2006-05-22 Richard Guenther <rguenther@suse.de>
5334 2006-01-31 Richard Guenther <rguenther@suse.de>
5336 * doc/invoke.texi (-msselibm): Document.
5337 * target.h (expand_library_builtin): New target hook.
5338 * builtins.c (expand_builtin): Use expand_library_builtin.
5339 (default_expand_library_builtin): New function.
5340 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5341 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5342 (link_gcc_math_spec): Declare.
5343 (static_specs): Add link_gcc_math_spec.
5344 * expr.h (default_expand_library_builtin): Declare.
5345 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5346 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5347 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5348 * config/i386/i386.opt (msselibm): New target option.
5349 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5350 (ix86_init_sse_abi_builtins): New function.
5351 (ix86_expand_library_builtin): Likewise.
5352 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5353 (override_options): Handle error conditions wrt -msselibm.
5354 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5355 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5356 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5359 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5362 * c-common.c (self_promoting_args_p): Skip erroneous args.
5365 * c-decl.c (finish_struct): Skip erroneous fields.
5367 2006-05-22 Nick Clifton <nickc@redhat.com>
5369 * config/cris/cris.opt (march): Remove VarExists attribute.
5370 (max-stackframe=): Likewise.
5372 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5374 * doc/rtl.texi: Fix a typo.
5375 * see.c: Fix comment typos.
5377 * tree-ssa-structalias.h (alias_info): Remove num_references.
5379 2006-05-21 Mike Stump <mrs@apple.com>
5381 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5383 (darwin_pragma_options): Use BAD instead.
5384 (darwin_pragma_unused): Likewise.
5385 (darwin_pragma_ms_struct): Likewise.
5387 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5389 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5391 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5393 PR rtl-optimization/27671
5394 * simplify-rtx.c (simplify_relational_operation_1): Fix
5395 simplifications of (eq/ne (xor x y) y) and
5396 (eq/ne (xor x y) x).
5398 PR tree-optimization/26622.
5399 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5402 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5404 * tree-cfg.c: Prune whitespace.
5405 (debug_tree_cfg): Point to correct header containing the
5408 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5411 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5413 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5416 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5417 or sorry count is non zero.
5419 2006-05-20 Andreas Schwab <schwab@suse.de>
5421 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5423 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5424 Kenneth Zadeck <zadeck@naturalbridge.com>
5426 PR rtl-optimization/26855
5428 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5430 (df_scan_alloc): Added code to properly handle multiword hard
5431 registers and add all_blocks parameter.
5432 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5433 code to properly handle multiword hard registers.
5434 (df_rescan_blocks): Added code to remove deleted blocks from
5436 (df_ref_create_structure, df_ref_record): Added code to properly
5438 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5439 and set DF_REF_PARTIAL.
5440 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5441 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5442 (df_scan_add_problem): Added flags parameter.
5443 (df_ref_create_structure): Changed switching structure.
5444 (df_bb_refs_record): Fixed case where duplicate artificial refs
5445 were created. Changed location of flags.
5446 (df_record_entry_block_defs): Added code to make stack pointer
5447 live in entry block. Refined cases where frame pointer is needed.
5448 Changed location of flags.
5449 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5450 (df_set_state): Removed function.
5451 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5452 df_insn_create_insn_record, df_insn_refs_delete,
5453 df_ref_create_structure): Formatting changes.
5454 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5455 df_delete_basic_block): New function.
5456 (df_init): Changed location of flags.
5457 (df_add_problem): Added flags parameter and the way flags are
5459 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5460 debug_df_chain): Improved debugging output.
5461 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5462 (df_refs_chain_dump): Removed df parameter.
5463 (df_iterative_dataflow): Added consistency check.
5464 (df_prune_to_subcfg): Made public.
5465 (df_analyze_problem): Added blocks_to_init parameter and made
5467 (df_ref_record, df_bb_refs_record, df_mark_reg,
5468 df_record_exit_block_uses): Whitespace changes.
5469 (df_dump): Whitespace changes.
5470 * df.h: Some reordering to remove forward references.
5471 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5472 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5473 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5474 (dataflow.flags): New field.
5475 (df.flag): Deleted field.
5476 (df_alloc_function): Added additional bitmap parameter.
5477 (df_dependent_problem_function): New type.
5478 (df_problem.changeable_flags): New field.
5479 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5480 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5481 (df_mw_hardreg): New struct.
5482 (DF_INSN_UID_MWS): New macro.
5483 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5485 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5486 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5487 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5488 (df_set_state): Removed function.
5489 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5490 * df-problems.c (df_chain_dump): Removed df parameter.
5491 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5492 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5494 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5495 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5496 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5497 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5498 DF_REF_MUST_CLOBBER cases.
5499 (df_ru_bb_local_compute_process_def,
5500 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5501 df_lr_bb_local_compute, df_ur_bb_local_compute,
5502 df_chain_create_bb): Made subreg aware.
5503 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5504 df_lr_bb_local_compute, df_lr_bb_local_compute,
5505 df_chain_create_bb): Cleanup to use proper macros.
5506 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5507 code to fixup bitvectors.
5508 (df_ri_alloc): Cleared lifetime.
5509 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5510 df_create_unused_note): New function.
5511 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5512 REG_DEAD and REG_UNUSED notes as well as register information.
5513 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5514 df_chains_dump): Fixed crash if problem was never run.
5515 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5516 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5517 df_ri_add_problem): Processes flags in uniform manner.
5518 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5519 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5520 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5521 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5522 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5523 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5524 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5525 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5526 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5527 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5528 * see.c (see_initialize_data): Ditto.
5529 * final.c (rest_of_clean_state) Added regstack_completed.
5530 * rtl.h (regstack_completed): Ditto.
5531 * reg-stack.c (regstack_completed): Ditto.
5533 2006-05-19 Mike Stump <mrs@apple.com>
5535 * c-tree.h (default_conversion): Remove.
5536 * c-common.h (default_conversion): Add.
5538 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5540 * tree-vrp.c (valid_value_p): New function.
5541 (adjust_range_with_scev): Fail if the value of bound is not
5544 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5546 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5547 (mips_fallback_frame_state): Use syscall numbers to determine
5548 the appropriate li instruction for the current ABI. Only use
5549 __NR_sigreturn for o32.
5551 2006-05-19 Nicolas Setton <setton@adacore.com>
5553 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5554 * langhooks.c (lhd_dwarf_name): New function.
5555 * langhooks-def.h (lhd_dwarf_name): Declare.
5556 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5557 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5558 * ada/misc.c (gnat_dwarf_name): New function.
5559 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5561 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5563 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5565 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5566 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5567 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5568 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5569 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5570 determine the size of Wtype, etc.
5571 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5572 (swfloatfuncs): New variable.
5573 (dwfloatfuncs): Likewise.
5574 (lib2funcs): Remove floating-point conversion functions from
5575 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5576 the set of conversion routines needed. Allow entries to specify
5577 an object name, filename and word size. Update users accordingly.
5578 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5579 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5583 2006-02-08 Roger Sayle <roger@eyesopen.com>
5586 * config/fixtfdi.c: New libgcc source file.
5587 * config/fixunstfdi.c: New source file.
5588 * config/floatditf.c: New source file.
5589 * config/floatunditf.c: New souce file.
5590 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5591 files above instead of config/mips/_tilib.c.
5592 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5594 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5596 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5597 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5599 2006-05-18 Mike Stump <mrs@apple.com>
5601 Fix up vla, vm and [*] sematics.
5607 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5608 (c_vla_unspec_p): Add.
5609 (c_vla_type_p): Add.
5610 * c-decl.c (struct c_scope): Add had_vla_unspec.
5611 (build_array_declarator): Add support for [*].
5612 (grokdeclarator): Likewise.
5613 (grokparms): Likewise.
5614 (get_parm_info): Likewise.
5615 * c-objc-common.c (c_vla_unspec_p): Likewise.
5616 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5617 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5618 typeof when argument is a variably modified type not inside sizeof or alignof.
5619 (c_parser_direct_declarator_inner): Propagate errors.
5620 (c_parser_sizeof_expression): Add support for [*].
5621 (c_parser_parms_declarator): Initialize had_vla_unspec.
5622 (c_parser_parms_list_declarator): Likewise.
5623 * c-typeck.c (c_vla_type_p): Add.
5624 (composite_type): Add support for vla compositing.
5625 (comptypes_internal): Add support for vla compatibility.
5626 (c_expr_sizeof_expr): Evaluate vla arguments.
5627 * tree.c (variably_modified_type_p): Update comment for [*].
5629 2006-05-18 Michael Matz <matz@suse.de>
5632 * config.host: Make assignments to host_xmake_file cumulative.
5633 * config.host (*-darwin*): Test $host, not $target.
5635 2006-05-12 Stuart Hastings <stuart@apple.com>
5637 * config/i386/i386.opt (-mstackrealign): New flag.
5638 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5639 (ix86_handle_cconv_attribute): Emit error when
5640 force_align_arg_pointer attribute collides with too many regparms.
5641 (ix86_function_regparm): Limit regparms when used with
5642 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5643 Support stack-realigning prologue in non-main functions. Emit
5644 warning for nested functions under -mstackrealign, emit error for
5645 nested functions with force_align_arg_pointer attribute.
5646 * doc/extend.texi (force_align_arg_pointer): Document it.
5647 * doc/invoke.texi (-mstackrealign): Document it.
5649 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5651 PR rtl-optimization/27477
5652 * combine.c (try_combine): Don't split a parallel consisting
5653 of two sets into two individual sets if both sets reference
5656 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5658 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5659 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5661 * doc/options.texi (VarExists): Updated.
5663 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5665 * unwind-dw2.c: Add declarations for uw_update_context and
5667 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5668 detected, advance frame state and context once to skip over stub.
5670 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5674 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5675 Call rewrite_into_loop_closed_ssa only when something changed.
5676 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5677 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5678 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5679 Test for perfect_nest_p here. Fix formating.
5680 (replace_uses_equiv_to_x_with_y): Fix formating.
5681 (stmt_uses_op): Removed.
5682 (can_convert_to_perfect_nest): Removed loopivs parameter.
5683 Complete the test by checking the scalar dependences.
5684 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5687 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5690 From Dan Kegel <dank@kegel.com>:
5691 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5693 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5695 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5696 if the element type is variably modified without recursing.
5698 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5701 * tree-loop-linear.c (try_interchange_loops): Test for
5702 no data dependences.
5704 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5706 PR tree-optimization/27548
5707 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5708 range of ssa names that appear on abnormal edges.
5709 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5710 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5712 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5715 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5717 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5720 * tree.h (OMP_PARALLEL_COMBINED): Define.
5721 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5722 (new_omp_context): Add is_combined_parallel argument.
5723 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5724 new_omp_context caller.
5725 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5726 Adjust gimplify_scan_omp_clauses callers.
5727 (omp_is_private): Issue errors if iteration variable is firstprivate
5728 or reduction in the current context.
5729 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5730 on combined parallel workshare constructs.
5732 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5734 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5735 (gcc-options.o): New rule.
5737 * optc-gen.awk: Protect variables for gcc-options.o with
5738 #ifdef GCC_DRIVER/#endif.
5740 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5742 Fix PR tree-optimization/27373
5743 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5744 (forward_propagate_addr_expr): Update call.
5746 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5748 * doc/options.texi: Move the Negative option.
5750 2006-05-16 Richard Guenther <rguenther@suse.de>
5752 PR tree-optimization/22303
5753 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5755 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5756 ccp_fold did not simplify the statement.
5758 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5761 * Makefile.in (GCC_OBJS): New.
5762 (OBJS-common): Add opts-common.o.
5763 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5764 (cpp$(exeext)): Likewise.
5765 (gcc.o): Also depend on opts.h.
5766 (opts-common.o): New.
5768 * common.opt (gcoff): Add Negative(gdwarf-2).
5769 (gdwarf-2): Add Negative(gstabs).
5770 (gstabs): Add Negative(gstabs+).
5771 (gstabs+): Add Negative(gvms).
5772 (gvms): Add Negative(gxcoff).
5773 (gxcoff): Add Negative(gxcoff+).
5774 (gxcoff+): Add Negative(gcoff).
5775 * config/i386/i386.opt (m32): Add Negative(m64).
5776 (m64): Add Negative(m32).
5778 * doc/options.texi: Document the Negative option.
5780 * gcc.c: Include "opts.h".
5781 (main): Call prune_options after expandargv.
5783 * optc-gen.awk: Generate common declarations for all flag
5784 variables in options.c. Output the neg_index field.
5786 * opts.c (find_opt): Moved to ...
5787 * opts-common.c: Here. New file.
5789 * opts.h (cl_option): Add a neg_index field.
5791 (prune_options): Likewise.
5793 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5796 * omp-low.c (expand_omp_parallel): Don't assert
5797 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5798 instead search for it.
5801 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5804 2006-05-16 Andreas Schwab <schwab@suse.de>
5806 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5809 2006-05-15 Roger Sayle <roger@eyesopen.com>
5812 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5813 integer constants other than zero are only legitimate on TARGET_64BIT.
5814 <CONST_VECTOR> Only zero vectors are legitimate.
5815 (ix86_cannot_force_const_mem): Integral and vector constants can
5816 always be put in the constant pool.
5818 2006-05-16 DJ Delorie <dj@redhat.com>
5820 * crtstuff.c (__dso_handle): Set section from
5821 TARGET_LBIGCC_SDATA_SECTION if defined.
5822 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5823 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5825 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5828 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5831 2006-05-16 Ben Elliston <bje@au.ibm.com>
5833 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5835 2006-05-15 Per Bothner <per@bothner.com>
5837 * tree.c: (last_annotated_node): Use source_locus typedef.
5838 This permits bootstrapping with --enable-mapped-location.
5840 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5842 PR tree-optimization/26830
5843 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5844 (info_for_ssa_name, current_info_for_ssa_name_age,
5845 blocks_to_update): New variables.
5846 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5847 (clear_ssa_name_info, initialize_flags_in_bb,
5848 mark_block_for_update): New functions.
5849 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5850 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5851 prepare_def_site_for): Use mark_block_for_update.
5852 (mark_def_interesting): Assert that the processed block is marked in
5853 blocks_to_update. Do not take blocks argument.
5854 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5856 (rewrite_update_init_block, rewrite_update_stmt): Only process
5857 blocks with statements to rewrite.
5858 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5859 (update_ssa): Initialize and free blocks_to_update. Do not
5860 clear flags on statements. Do not use blocks bitmap.
5861 * tree.h (SSA_NAME_AUX): Removed.
5862 (struct tree_ssa_name): Removed aux field.
5863 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5865 2006-05-15 Richard Guenther <rguenther@suse.de>
5867 PR tree-optimization/27603
5868 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5869 Do computations in original type.
5871 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5873 * see.c: Code style changes such as redundant paranthesis,
5874 redundant intialization of local variables etc.
5875 (see_main): Declared now as static.
5876 * doc/invoke.texi: Update that -fsee is not enabled by
5879 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5881 * omp-low.c (check_omp_nesting_restrictions): New function.
5882 (scan_omp_1): Call it.
5885 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5886 construct, return *VAR.
5888 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5890 PR rtl-optimization/27406
5891 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5894 2006-05-14 Roger Sayle <roger@eyesopen.com>
5896 PR rtl-optimization/27538
5897 * combine.c (expand_compound_operation): Call gen_lowpart
5898 before calling simplify_shift_const.
5900 2006-05-14 Roger Sayle <roger@eyesopen.com>
5902 PR rtl-optimization/22563
5903 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5904 a fixed width bitfield, always force the intermediates into psuedos.
5906 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5909 * mkconfig.sh: Use operator = instead of == for test.
5911 2006-05-13 Nick Clifton <nickc@redhat.com>
5913 * dwarf2out.c (dbx_reg_number): Check return value from
5914 LEAF_REG_REMAP and only use it if it is valid.
5915 (multiple_reg_loc_descriptor): Likewise.
5917 2006-05-13 Richard Guenther <rguenther@suse.de>
5919 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5922 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5924 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5925 information attached to non-INSNs such as NOTEs.
5926 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5928 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5930 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5932 * config/s390/s390.md: Adjust comment describing On constraint.
5934 2006-05-11 Jan Hubicka <jh@suse.cz>
5936 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5937 to be output at -O0.
5939 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5942 * fold-const.c (size_binop): Move sanity check for arguments to
5943 the beginning of the function.
5946 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5949 2006-05-11 Richard Guenther <rguenther@suse.de>
5952 * fold-const.c (fold_unary): Handle intermediate conversion
5953 to a pointer type like intermediate conversion to an integer
5954 type in folding of (T1)(T2)var to var.
5955 Match the code to the comment in the final conversion for
5956 (T1)(T2)var to (T1)var regarding to type precision. Rather
5957 than disallow T1 being of pointer type, assert that both T1
5958 and var are of pointer type or not. Make sure not to fall
5959 over the frontends lazyness wrt array to pointer decay though.
5961 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5963 * arm.c (arm_struct_value_rtx): Delete.
5964 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5965 (arm_init_cumulative_args): Always initialize nregs to zero.
5967 2006-05-10 Richard Guenther <rguenther@suse.de>
5969 PR tree-optimization/27532
5970 * tree-object-size.c (plus_expr_object_size): Fix typo.
5972 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5975 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5976 ashrdi_const, ashrdi3): Use a scratch register.
5978 2006-05-10 Richard Guenther <rguenther@suse.de>
5980 PR tree-optimization/27302
5981 * fold-const.c (operand_equal_p): For two comparisons,
5982 try comparison of one comparison code swapped if that yields
5985 2006-05-10 Ben Elliston <bje@au.ibm.com>
5987 * tree-pretty-print.c (pretty_print_string): No need to handle
5988 '\0' as a special character.
5990 * tree.h: Include "hashtab.h".
5991 (iterative_hash_expr): Use hashval_t in its prototype.
5992 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5994 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5997 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5998 (hppa*64*-*-hpux11*): Ditto.
5999 (hppa[12]*-*-hpux11*): Ditto.
6001 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6004 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6006 2006-05-09 Michael Matz <matz@suse.de>
6008 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6009 host_extra_gcc_objs and host_xmake_file.
6010 (<*-*-linux*>): Don't overwrite host_xmake_file.
6011 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6012 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6013 (host_detect_local_cpu): Declare.
6014 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6015 * config/i386/i386.c (override_options): Handle -mtune=native
6017 * config/i386/x-i386: New file.
6018 * config/i386/driver-i386.c: New file.
6019 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6022 2006-05-09 Dirk Mueller <dmueller@suse.de>
6023 Richard Guenther <rguenther@suse.de>
6026 * fold-const.c (fold_read_from_constant_string): Relax check
6027 for matching types to matching modes.
6029 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6031 PR rtl-optimization/27335
6032 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6035 2006-05-08 Chao-ying Fu <fu@mips.com>
6036 Richard Sandiford <richard@codesourcery.com>
6038 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6039 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6040 * config/mips/mips.md (UNSPEC_SCC): New constant.
6041 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6042 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6043 (mips_emit_compare): Use it.
6044 (mips_expand_vcondv2sf): New function.
6046 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6048 Fix PR tree-optimization/27093
6049 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6050 renaming when they become not-used_alone.
6052 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6054 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6055 relocation and relocation stubs.
6057 2006-05-08 Eric Christopher <echristo@apple.com>
6059 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6062 2006-05-08 Jan Hubicka <jh@suse.cz>
6065 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6066 unused static functions are needed.
6068 2006-05-08 Roger Sayle <roger@eyesopen.com>
6071 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6072 of a reg_equiv_constant if the result is a legitimate constant.
6074 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6077 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6078 standard 80387 constants, raise the cost to prevent
6079 compress_float_constant() to generate load from memory.
6081 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6083 * config/arm/constraints.md (c): Fix a typo.
6085 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6088 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6091 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6093 (_mm_mwait): Likewise.
6095 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6097 (sse3_monitor): Make it 32bit only.
6098 (sse3_monitor64): New. 64bit monitor.
6100 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6103 * config/i386/i386.c (classify_argument): Skip fields with invalid
6106 2006-05-07 Richard Guenther <rguenther@suse.de>
6108 PR tree-optimization/27409
6109 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6110 Do not try to find zero-sized subvars.
6112 2006-05-07 Richard Guenther <rguenther@suse.de>
6114 PR tree-optimization/27136
6115 * tree-ssa-loop-niter.c (get_val_for): Correct function
6116 comment, assert requirements.
6117 (loop_niter_by_eval): Stop processing if the iterated
6118 value did not simplify.
6120 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6122 * opts.c (flag_see): remove its setting at -O3.
6124 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6126 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6127 * arm/constraints.md: New file.
6128 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6129 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6130 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6131 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6132 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6133 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6134 * arm.md: Include constraints.md.
6135 (thumb_movsi_insn): Use satisfies_constraint_J.
6136 (movhi, movqi): Use satisfies_constraint_I.
6138 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6140 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6141 for atmeg a645 device.
6143 2006-05-06 Richard Guenther <rguenther@suse.de>
6145 PR tree-optimization/27151
6146 * tree-vect-transform.c (vectorizable_condition): Punt on
6147 values that have a different type than the condition.
6149 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6152 * c-parser.c (c_parser_cast_expression): Only insert casts into
6153 hash table if pointer.
6154 * function.c (used_types_insert_helper): Rename from
6156 (used_types_insert): Call used_types_insert_helper.
6157 * function.h (used_types_insert): Accept only one argument.
6159 2006-05-05 David Edelsohn <edesohn@gnu.org>
6161 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6162 scratch with output modifier.
6164 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6167 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6168 with output modifier.
6170 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6173 * config/mips/mips.c (mips_symbolic_address_p): Return true
6174 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6175 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6177 2006-05-04 Richard Guenther <rguenther@suse.de>
6179 PR tree-optimization/14287
6180 PR tree-optimization/14844
6181 PR tree-optimization/19792
6182 PR tree-optimization/21608
6183 PR tree-optimization/27090
6184 * tree-ssa-pre.c (try_combine_conversion): New function.
6185 (compute_avail): After constructing the value-handle
6186 expression, use try_combine_conversion to combine NOP_EXPRs
6187 with previous value-handle expressions and use the result if it
6190 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6192 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6194 2006-05-04 Jan Hubicka <jh@suse.cz>
6197 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6199 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6201 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6202 that this only matches CONST_INTs. All users changed to VOIDmode
6205 * config/bfin/bfin.c: Include "optabs.h".
6206 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6208 (enum bfin_builtins): Add a number of fractional and vector builtins.
6209 (bfin_init_builtins): Likewise.
6210 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6211 (safe_vector_operand, bfin_expand_binop_builtin,
6212 bfin_expand_unop_builtin): New functions.
6213 (bfin_expand_builtin): Handle the new builtins.
6214 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6217 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6220 * Makefile.in (OBJS-common): Add see.o.
6221 (see.o): Add dependencies.
6222 * common.opt (fsee): New flag for the see optimization was added.
6223 * opts.c (flag_see): Initialized.
6224 * passes.c (init_optimization_passes, pass_see): New pass.
6225 * rtl.h (see_main): Declaration as extern.
6226 * timevar.def (TV_SEE): New.
6227 * tree-pass.h (pass_see): Declaration as extern.
6228 * invoke.texi (-fsee): Document.
6229 * recog.c (validate_simplify_insn): New function.
6230 * recog.h (validate_simplify_insn): Declaration as extern.
6231 * df-problems.c (df_chain_dump): Check for NULL.
6233 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6234 Daniel Berlin <dberlin@dberlin.org>
6236 * cfgrtl.c (insert_insn_bb_end_new): New function.
6237 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6239 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6241 * df.h (struct web_entry): Moved from web.c.
6242 (union_defs): Declaration as extern.
6243 (unionfind_root): Likewise.
6244 (unionfind_union): Likewise.
6245 * web.c (struct web_entry): Moved to df.h.
6246 (unionfind_root): Remove static declaration.
6247 (unionfind_union): Likewise.
6248 (union_defs): Likewise and generalize to use callback function.
6249 (web_main): Update arguments for union_defs function call.
6251 2006-05-04 Richard Guenther <rguenther@suse.de>
6253 PR tree-optimization/26447
6254 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6255 produce SSA_NAME copies before the store stmt to avoid
6256 breaking exception handling.
6258 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6261 * gimplify.c (omp_is_private): If var is shared in some outer context,
6262 return false instead of true. Stop searching on parallel context
6265 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6268 * coverage.c: Use get_gcov_unsigned_t() instead of
6269 unsigned_type_node all over.
6271 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6273 PR tree-optimization/27381
6274 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6275 maintain the same immediate_use links.
6276 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6277 node rather than segfaulting.
6279 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6282 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6283 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6284 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6286 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6288 Fix PR tree-optimization/26626
6289 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6291 * tree-ssa-operands.c (access_can_touch_variable): Allow
6292 typecasting through union pointers.
6294 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6297 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6298 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6299 to find if var will be a global variable even in the nested context.
6300 (omp_copy_decl): Only check for global variable at the end, it might
6301 be overridden in outer contexts.
6302 (scan_sharing_clauses): For global variables don't create a field.
6303 (lower_rec_input_clauses): Do nothing for global shared variables.
6304 Emit a barrier at the end of ILIST if there were any decls in both
6305 firstprivate and lastprivate clauses.
6306 (lower_send_clauses): Do nothing for global variables except for
6309 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6311 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6312 of the correct signedness is returned.
6314 2006-05-02 Jeff Law <law@redhat.com>
6316 PR tree-optimization/27364
6317 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6318 multiply expressions.
6320 2006-05-02 Tom Tromey <tromey@redhat.com>
6322 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6324 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6327 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6328 -mthumb -fPIC are used.
6330 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6331 Joshua Kinard <kumba@gentoo.org>
6334 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6335 with 64-bit pointers.
6337 2006-05-02 Paul Brook <paul@codesourcery.com>
6339 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6341 (create_fix_barrier): Check that a suitable barrier location is
6343 (arm_reorg): Include ftmp->address in allowable range of addresses.
6345 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6348 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6351 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6354 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6355 around RESULT_DECL for result passed by reference.
6356 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6357 * omp-low.c (use_pointer_for_field): Don't look at
6358 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6359 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6360 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6361 time or var for passing by reference for
6362 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6363 TREE_ADDRESSABLE variables when passing by reference.
6365 * omp-low.c (dump_omp_region): Fix output formatting.
6368 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6369 (expand_omp_parallel): Likewise.
6370 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6373 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6374 on statement list containing also constructors and destructors.
6375 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6378 * except.c (duplicate_eh_regions): Fix clearing of
6379 cfun->eh->region_array entries.
6381 2006-05-01 DJ Delorie <dj@redhat.com>
6383 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6385 (gcc_cv_objdump): Likewise.
6386 * configure: Regenerated.
6388 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6391 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6392 templates for case 3 and 4.
6394 2006-05-01 DJ Delorie <dj@redhat.com>
6396 * vec.c: Include bconfig.h when appropriate.
6397 * Makefile.in (build/vec.o): Adjust dependencies.
6398 * mkconfig.sh: Make sure config.h isn't used for build machine
6401 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6403 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6405 (mark_phi_for_rewrite): New function.
6406 (insert_phi_nodes_for, mark_use_interesting): Call
6407 mark_phi_for_rewrite.
6408 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6409 (update_ssa): Initialize and free phis_to_rewrite.
6411 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6413 PR rtl-optimization/27291
6414 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6415 folded to a constant.
6417 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6419 PR tree-optimization/27283
6420 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6421 not whole # of iteration descriptions.
6422 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6423 uses abnormal ssa name.
6424 (niter_for_single_dom_exit): Ditto.
6425 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6426 return just the number of iterations.
6428 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6430 PR tree-optimization/27144
6431 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6432 (record_estimate): Only record constant upper bound.
6433 (infer_loop_bounds_from_undefined): Call
6434 compute_estimated_nb_iterations just once.
6435 (proved_non_wrapping_p): Renamed to ...
6436 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6437 (convert_step_widening, scev_probably_wraps_p): Call
6438 n_of_executions_at_most instead of proved_non_wrapping_p.
6439 (substitute_in_loop_info): Do not replace values in bounds.
6440 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6443 2006-05-01 Richard Henderson <rth@redhat.com>
6446 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6447 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6450 2006-05-01 Roger Sayle <roger@eyesopen.com>
6452 * c-typeck.c (parser_build_binary_op): Don't call the function
6453 unsigned_conversion_warning to spot operand/result type overflow.
6454 (build_binary_op): Instead, call convert_and_check instead of
6455 convert to report the problem when the operands are promoted.
6456 * c-common.c (unsigned_conversion_warning): Make static.
6457 * c-common.h (unsigned_conversion_warning): Delete prototype.
6459 2006-05-01 Richard Guenther <rguenther@suse.de>
6461 PR tree-optimization/26726
6462 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6464 (find_interesting_uses_address): ... we work around here
6465 by folding INDIRECT_REFs in the substituted base.
6467 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6469 * omp-low.c (dump_omp_region): Add newlines.
6471 2006-04-30 Roger Sayle <roger@eyesopen.com>
6473 * common.opt (Woverflow): New command line option.
6474 * c-common.c (constant_expression_warning): Check warn_overflow.
6475 (overflow_waring): Pass OPT_Woverflow to warning.
6476 (unsigned_conversion_warning): Likewise.
6477 (convert_and_check): Likewise.
6478 * doc/invoke.texi: Document new command line option.
6480 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6482 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6483 TARGET_NO_FP_IN_TOC for section anchors.
6484 (optimization_options): Enable section anchors for all
6485 non-"Objective" languages.
6487 2006-04-28 Eric Christopher <echristo@apple.com>
6489 * config/darwin-c.c (darwin_ms_struct): Move this
6490 (darwin_set_default_type_attributes): and this...
6491 * config/darwin.c: ... here.
6492 * config/darwin.h (darwin_ms_struct): Declare.
6494 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6496 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6498 2006-04-28 Roger Sayle <roger@eyesopen.com>
6501 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6502 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6503 an unsigned HOST_WIDE_INT.
6504 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6506 (really_start_incremental_init): No need to call convert because
6507 bitsize_zero_node is already of type bitsizetype.
6508 (push_init_level): Extract the value of constructor_index as an
6509 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6510 (process_init_element): Likewise.
6512 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6514 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6515 value before passing to make_relative_prefix.
6517 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6520 * builtins.c (expand_builtin_memset): Expand val in original mode.
6522 2006-04-27 Eric Christopher <echristo@apple.com>
6524 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6525 with #ifndef/#endif.
6526 * config/darwin-c.c (darwin_ms_struct): New.
6527 (darwin_pragma_ms_struct): Ditto.
6528 (darwin_set_default_type_attributes): Ditto.
6529 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6530 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6531 Register ms_struct pragma.
6532 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6533 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6534 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6535 darwin_set_default_type_attributes if TARGET_MACHO.
6537 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6539 PR tree-optimization/26854
6540 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6541 * doc/tree-ssa.texi: Update immuse iterator documentation.
6542 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6543 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6544 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6545 first_safe_imm_use, next_safe_imm_use): Remove.
6546 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6547 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6548 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6549 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6550 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6551 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6552 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6553 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6554 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6555 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6556 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6557 (perfect_nestify): Use new iterator.
6558 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6560 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6561 (next_imm_name): New field in struct immediate_use_iterator_d.
6562 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6563 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6564 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6565 * tree-cfg.c (replace_uses_by): Use new iterator.
6566 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6567 * tree-ssa-operands.c (correct_use_link): Remove.
6568 (finalize_ssa_use_ops): No longer call correct_use_link.
6570 2006-04-27 Stuart Hastings <stuart@apple.com>
6572 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6573 * config/t-darwin (crt3.o): Use it.
6574 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6575 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6576 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6577 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6578 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6581 2006-04-27 Roger Sayle <roger@eyesopen.com>
6583 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6584 size, force the intermediate into a new pseudo rather instead of
6585 performing both a bitwise AND and a bitwise IOR in memory.
6587 2006-04-27 Richard Guenther <rguenther@suse.de>
6589 PR rtl-optimization/26685
6590 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6591 this one "max-flow-memory-locations".
6593 2006-04-27 Richard Guenther <rguenther@suse.de>
6595 PR tree-optimization/25148
6596 * tree-vrp.c (compare_values): Remove code dealing with
6597 comparisons against type min/max value. Honour overflow
6598 and negative constants in code dealing with comparisons
6599 of plus and minus expressions.
6600 (value_inside_range): Use fold_binary with LE_EXPR and
6601 GE_EXPR rather than compare_values.
6603 2006-04-27 Dirk Mueller <dmueller@suse.de>
6605 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6608 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6610 * basic-block.h (safe_insert_insn_on_edge): Removed.
6611 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6613 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6614 Paolo Bonzini <bonzini@gnu.org>
6617 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6618 (simplify_and_const_int): Same.
6620 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6622 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6624 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6627 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6628 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6629 cgraph_global_info_ready.
6632 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6635 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6636 either decl or init is error_mark_node.
6639 * tree-flow.h (struct omp_region): Add sched_kind.
6640 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6641 instead of extracting omp for data.
6642 (expand_omp_for): Save extracted sched_kind.
6644 2006-04-25 Roger Sayle <roger@eyesopen.com>
6646 * expmed.c (store_bit_field): Also check whether the bitsize is
6647 valid for the machine's "insv" instruction before moving the
6648 target into a pseudo for use with the insv.
6649 * config/i386/predicates.md (const8_operand): New predicate.
6650 * config/i386/i386.md (extv, extzv, insv): Use the new
6651 const8_operand predicate where appropriate.
6653 2006-04-25 DJ Delorie <dj@redhat.com>
6655 * doc/install.texi (Specific): Clarify that this is not a list of
6656 supported hosts or targets.
6658 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6660 PR rtl-optimization/26725
6661 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6662 block's BB_DIRTY flag.
6664 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6666 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6669 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6670 to print an integer.
6672 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6674 * varasm.c (align_variable): New function.
6675 (get_block_for_decl): Apply align_variable to DECL before
6676 calculating section information.
6677 (assemble_variable): Split out alignment computation.
6679 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6681 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6684 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6686 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6687 MODE_PARTIAL_INT mode.
6688 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6689 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6691 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6692 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6694 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6696 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6698 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6699 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6700 MACFLAG_IH): Likewise.
6701 (movstricthi_1): Renamed from "*movstricthi".
6702 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6703 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6704 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6705 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6706 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6707 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6708 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6709 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6710 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6711 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6712 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6713 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6714 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6715 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6716 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6718 * doc/rtl.texi (ss_ashift): Improve wording.
6720 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6722 * dwarf2out.c (verify_marks_clear): New.
6723 (prune_unused_types): Call verify_marks_clear initially, not
6726 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6728 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6729 * doc/rtl.texi: Document them.
6730 * simplify-rtx.c (simplify_unary_operation,
6731 simplify_binary_operation_1): Don't abort when we see them.
6733 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6736 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6737 * configure.ac: Completely disregard languages that are not
6739 * configure: Regenerated.
6741 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6742 Richard Guenther <rguenther@suse.de>
6744 PR tree-optimization/27236
6745 * tree-inline.c (copy_body_r): Make sure to copy
6746 TREE_THIS_VOLATILE flag.
6748 2006-04-24 Richard Guenther <rguenther@suse.de>
6751 * tree-complex.c (update_parameter_components): Don't handle
6752 unused parameters which have no default def.
6754 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6755 Richard Guenther <rguenther@suse.de>
6757 PR tree-optimization/27218
6758 * tree-inline.c (expand_call_inline): Strip useless type
6759 conversions for the return slot address.
6761 2006-04-24 Richard Guenther <rguenther@suse.de>
6763 * cfgloop.h (struct loops): Remove unused field array. Reorder
6765 (LOOP_PREFETCH): Remove.
6767 2006-04-24 Richard Guenther <rguenther@suse.de>
6769 PR tree-optimization/22525
6770 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6771 variable, adjust types of generated expressions.
6773 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6775 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6776 (tree-vect-patterns.o): Likewise.
6778 (cselib.o): Likewise.
6779 (loop-doloop.o): Likewise.
6780 (regclass.o): Likewise.
6781 (reload1.o): Likewise.
6782 (explow.o): Replace target.h with $(TARGET_H).
6783 (ipa-prop.o): Likewise.
6784 (ipa-cp.o): Likewise.
6785 (ipa-inline.o): Likewise.
6786 (reorg.o): Likewise.
6787 (reg-stack.o): Likewise.
6789 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6791 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6793 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6795 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6797 * configure.ac: Completely disregard languages that are not
6799 * configure: Regenerated.
6802 * c-common.h (c_build_bitfield_integer_type): Declare.
6803 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6804 * c-common.c (c_build_bitfield_integer_type): ... here.
6806 2006-04-23 Roger Sayle <roger@eyesopen.com>
6809 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6810 a SImode SUBREG of a floating point register after no_new_pseudos.
6812 2006-04-23 Roger Sayle <roger@eyesopen.com>
6814 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6815 identify potentially eliminable registers to additionally catch
6816 VIRTUAL_INCOMING_ARGS_REGNUM.
6817 (addsi3): Update the conditions on when to use addsi_small_int.
6819 2006-04-23 Roger Sayle <roger@eyesopen.com>
6822 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6823 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6824 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6826 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6828 * fold-const.c (range_predecessor): Use operand_equal_p
6829 as the predicate for equality.
6830 (range_successor): Likewise.
6832 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6835 * config/soft-fp/op-common.h: Fix a typo.
6837 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6840 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6841 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6843 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6845 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6847 * doc/tm.texi: Fix a typo.
6849 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6851 * dwarf2out.c (struct die_struct): Document that die_sib makes
6852 a circular linked list.
6853 (FOR_EACH_CHILD): New.
6854 (reverse_die_lists): Delete.
6855 (reverse_all_dies): Delete.
6856 (add_dwarf_attr): Correct documentation.
6857 (remove_child_with_prev): New.
6858 (remove_child_TAG): Update for change to die_struct, use
6859 remove_child_with_prev.
6860 (add_child_die): Update for change to die_struct.
6861 (splice_child_die): Use remove_child_with_prev and add_child_die.
6862 (print_die): Use FOR_EACH_CHILD.
6863 (die_checksum): Likewise.
6864 (assign_symbol_names): Likewise.
6865 (output_location_lists): Likewise.
6866 (build_abbrev_table): Likewise.
6867 (calc_die_sizes): Likewise.
6868 (mark_dies): Likewise.
6869 (unmark_dies): Likewise.
6870 (unmark_all_dies): Likewise.
6871 (output_die): Likewise.
6872 (prune_unused_types_mark): Likewise.
6873 (prune_unused_types_walk): Likewise.
6874 (same_die_p): Update for change to die_struct.
6875 (break_out_includes): Likewise.
6876 (prune_unused_types_prune): Likewise.
6877 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6878 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6880 (dwarf2out_finish): Don't call reverse_all_dies.
6882 2006-04-21 Eric Christopher <echristo@apple.com>
6884 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6885 in comments and function names.
6887 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6890 * c-typeck.c (digest_init): Robustify.
6892 * c-typeck.c (pop_init_level): Simplify.
6894 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6896 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6898 2006-04-21 Paul Brook <paul@codesourcery.com>
6900 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6901 hardware floating point.
6903 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6905 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6908 2006-04-21 Nick Clifton <nickc@redhat.com>
6910 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6913 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6916 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6917 C++ lang type in traceback table for Objective-C++.
6919 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6921 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6923 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6925 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6928 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6929 were errors. Remove check for erroneous objects.
6931 2006-04-20 Jeff Law <law@redhat.com>
6933 PR tree-optimization/26854
6934 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6935 checking for zero or one use.
6936 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6937 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6938 * tree-ssa-reassoc.c (negate_value): Similarly.
6939 (reassociate_bb): Similarly.
6941 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6943 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6944 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6945 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6947 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6949 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6950 fp regs if the last fp arg doesn't fit in regs.
6952 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6955 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6956 that the last insn has the REG_INC note.
6958 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6959 Nathan Sidwell <nathan@codesourcery.com>
6962 * stor-layout.c (update_alignment_for_field): Do not align
6964 (place_union_field): Place union field at the start of the union.
6965 (place_field): Move ERROR_MARK check later, and use the current
6966 allocation position to maintain monotonicity.
6968 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6970 * dominance.c: Include timevar.h.
6971 (calculate_dominance_info): Use TV_DOMINANCE.
6972 * timevar.def (TV_DOMINANCE): New timevar.
6973 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6975 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6977 PR rtl-optimization/14261
6978 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6979 move would be an INSV insn.
6980 (noce_process_if_block): Don't optimize if the destination is a
6981 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6983 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6985 * config/s390/s390.md: Add comments with the instructions emitted
6986 by an insn pattern if macros are used.
6988 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6990 PR rtl-optimization/26026
6991 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6992 is a known power of two shifted left a variable amount.
6994 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6996 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6997 to hash table twice when the debug_str section has SECTION_MERGE.
6999 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7001 * config/soft-fp: New directory. From glibc.
7002 * config/soft-fp/t-softfp: New.
7003 * config/soft-fp/README: New.
7004 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7005 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7006 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7007 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7008 * config.gcc: Use rs6000/t-fprules-fpbit or
7009 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7011 * config/rs6000/sfp-machine.h: New. Based on glibc.
7012 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7014 * config/rs6000/t-fprules: Remove fp-bit rules.
7015 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7016 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7017 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7018 (softfp_wrap_start, softfp_wrap_end): New.
7020 2006-04-18 DJ Delorie <dj@redhat.com>
7022 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7024 2006-04-18 Devang Patel <dpatel@apple.com>
7026 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7028 2006-04-18 Nick Clifton <nickc@redhat.com>
7030 * config/sh/t-symbian: Add rule to build sh-c.o
7031 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7032 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7033 (sh_symbian_encode_section_info): Likewise.
7035 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7037 * builtins.c (expand_builtin_strcmp): Cover label definition of
7038 do_libcall with HAVE_cmpstrnsi.
7040 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7042 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7044 * function.h (temp_slot_p): New.
7045 (function): Change the type of x_used_temp_slots to
7046 VEC(temp_slot_p,gc) *.
7048 2006-04-18 Nick Clifton <nickc@redhat.com>
7050 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7051 flag_strength_reduce.
7053 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7055 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7059 Partial revert of revision 112637
7060 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7061 Dale Johannesen <dalej@apple.com>
7064 * regclass.c (struct reg_pref): Update documentation.
7065 (regclass): Set prefclass to NO_REGS if memory is the best option.
7066 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7068 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7070 PR tree-optimization/26821
7071 * tree-ssa-math-opts.c (get_constant_one): New.
7072 (insert_reciprocals): Use it.
7074 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7076 * dwarf2out.c (free_AT): Delete.
7077 (remove_AT): Update string ref counts.
7078 (remove_child_TAG): Don't call free_die.
7080 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7081 or DW_TAG_GNU_EINCL.
7082 (prune_unused_types_walk_attribs): Reset string refcounts.
7083 (prune_unused_types_update_strings): New.
7084 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7085 call free_die. Do call prune_unused_types_update_strings.
7086 (prune_unused_types): Empty debug_str_hash.
7088 2006-04-17 Roger Sayle <roger@eyesopen.com>
7090 * expr.c (expand_assignment): Optimize away no-op moves where the
7091 source and destination are equal and have no side-effects.
7093 2006-04-17 Richard Guenther <rguenther@suse.de>
7096 * reload.c (push_reload): Guard calls to get_secondary_mem
7099 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7101 * alias.c (reg_base_value, old_reg_base_value): Change the
7102 type to VEC(rtx,gc) *.
7103 (REG_BASE_VALUE, find_base_value, record_set,
7104 init_alias_analysis): Use VEC instead of VARRAY.
7106 * alias.c (alias_sets): Change the type to
7107 VEC(alias_set_entry,gc) *.
7108 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7109 VEC instead of VARRAY.
7110 (last_alias_set): Remove.
7112 * cgraph.h (cgraph_edge_p): New.
7113 Update the prototype of cgraph_function_versioning.
7114 * cgraphunit.c (cgraph_copy_node_for_versioning,
7115 cgraph_function_versioning): Use VEC instead of VARRAY.
7116 * ipa-cp.c (ipcp_insert_stage): Likewise.
7118 2006-04-16 Roger Sayle <roger@eyesopen.com>
7121 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7122 "A op B" or "A op C", we may need to convert A to the type of B and C.
7124 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7126 * target.h (struct gcc_target): Add mode_rep_extended.
7127 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7128 (init_num_sign_bit_copies_in_rep): Initialize it using
7130 (truncate_to_mode): Use it.
7131 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7132 * targhooks.h (default_mode_rep_extended): Declare it.
7133 * targhooks.c (default_mode_rep_extended): Define it.
7134 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7135 default_mode_rep_extended.
7136 (TARGET_INITIALIZER): Include it.
7137 * doc/tm.texi (Misc): Document it.
7138 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7139 (mips_truncated_to_mode): New function.
7141 2006-04-16 Roger Sayle <roger@eyesopen.com>
7144 * expr.c (compress_float_constant): Copy the narrow constant into
7145 a new pseudo before extending it to its final width.
7147 2006-04-16 Roger Sayle <roger@eyesopen.com>
7148 Andrew Pinski <pinskia@gcc.gnu.org>
7149 Dale Johannesen <dalej@apple.com>
7152 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7153 special case code to implement V8HImode and V16QImode with SSE2.
7155 2006-04-15 Roger Sayle <roger@eyesopen.com>
7157 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7158 trees are constructed with a suitable tree type.
7160 2006-04-15 Roger Sayle <roger@eyesopen.com>
7162 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7163 (integer_onep): Likewise.
7164 (integer_all_onesp): Likewise.
7165 (integer_pow2p): Likewise.
7166 (integer_nonzerop): Likewise.
7167 (real_zerop): Likewise.
7168 (real_onep): Likewise.
7169 (real_twop): Likewise.
7170 (real_minus_onep): Likewise.
7171 (int_size_in_bytes): Likewise.
7172 (host_integerp): Likewise.
7174 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7176 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7177 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7178 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7180 * tree-ssa-structalias.h (alias_info): Remove num_references.
7182 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7184 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7185 (output_bvb patterns): Likewise.
7186 * pa.c (output_bb): Use 'bb' insn for long branch case.
7187 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7188 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7189 1. Correct length operand for alternatives 1 and 2.
7190 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7191 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7193 2006-04-14 Roger Sayle <roger@eyesopen.com>
7195 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7196 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7197 were accidentally reverted by r112959.
7199 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7202 * except.h (eh_region_outermost): New prototype.
7203 * except.c (eh_region_outermost): New function.
7204 * tree-cfg.c (find_outermost_region_in_block): Use it.
7206 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7208 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7210 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7211 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7212 (init_reload, reload): Use VEC instead of VARRAY.
7213 * reload.h: Update the prototype for
7214 reg_equiv_memory_loc_varray.
7216 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7217 Eric Botcazou <ebotcazou@libertysurf.fr>
7219 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7222 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7225 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7226 to expand fallback builtin function call.
7228 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7231 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7232 and emit libcall here in case the builtin fails.
7233 (expand_builtin_strcmp): Always emit the libcall here on failure.
7235 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7237 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7238 * flow.c (reg_n_info): Change the type to
7239 VEC(reg_info_p,heap) *.
7240 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7242 * regs.h (reg_info_p): New.
7243 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7244 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7245 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7248 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7250 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7252 * params.h (MAX_SCHED_READY_INSNS): New macro.
7253 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7254 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7255 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7256 the ready list for 1 cycle during the first scheduling pass.
7257 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7259 2006-04-13 Richard Henderson <rth@redhat.com>
7262 * gimple-low.c (lower_omp_directive): Remove dead code.
7263 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7264 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7265 * omp-low.c (struct omp_region): Move to tree-flow.h.
7266 (root_omp_region): Export.
7267 (omp_regions, lookup_omp_region): Remove.
7268 (determine_parallel_type): Update for struct omp_region changes.
7269 (dump_omp_region): Dump regions with block numbers.
7270 (new_omp_region): Take type and block instead of stmt; malloc
7272 (free_omp_region_1, free_omp_regions): New.
7273 (expand_parallel_call): Take entry_stmt as argument; update for
7274 changes to omp_region.
7275 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7276 (remove_exit_barriers): New.
7277 (expand_omp_parallel): Update for struct omp_region changes.
7278 (expand_omp_synch): Likewise.
7279 (expand_omp): Likewise.
7280 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7281 (expand_omp_for_static_chunk): Likewise.
7282 (expand_omp_for): Likewise.
7283 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7284 (expand_omp_sections): Similarly, with GOMP_sections_end.
7285 (expand_omp_single): New.
7286 (build_omp_regions_1): Update for OMP_CONTINUE.
7287 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7288 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7289 OMP_SECTIONS_SECTIONS.
7290 (lower_omp_single_simple): Don't emit barrier here.
7291 (lower_omp_single_copy): Likewise.
7292 (lower_omp_single): Fix bindings, and lower to straightline now.
7293 (lower_omp_master, lower_omp_ordered): Likewise.
7294 (lower_omp_critical): Likewise.
7295 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7296 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7297 omp edges, free it afterward.
7298 (make_omp_sections_edges): Remove.
7299 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7300 (move_stmt_r): Handle OMP_CONTINUE.
7301 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7302 statement pointers to basic blocks. Add type member.
7303 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7304 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7305 * tree-inline.c (estimate_num_insns_1): Likewise.
7306 * tree-pretty-print.c (dump_generic_node): Likewise.
7307 * tree-ssa-operands.c (get_expr_operands): Likewise.
7308 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7309 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7310 (OMP_CONTINUE): New.
7311 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7312 (OMP_SECTIONS_SECTIONS): Remove.
7313 (OMP_SECTION_LAST): New.
7314 (OMP_RETURN_NOWAIT): New.
7316 2006-04-13 Roger Sayle <roger@eyesopen.com>
7318 * fold-const.c (native_encode_vector, native_interpret_real):
7319 Correct obvious mistakes in the previous check-in.
7321 2006-04-13 Roger Sayle <roger@eyesopen.com>
7323 * fold-const.c (native_encode_expr): New function to encode
7324 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7325 or VECTOR_CST into a specified buffer.
7326 (native_encode_int): New function.
7327 (native_encode_real): New function.
7328 (native_encode_complex): New function.
7329 (native_encode_vector): New function.
7330 (native_interpret_expr): Inverse of native_encode_expr to convert
7331 a target representation into an INTEGER_CST, REAL_CST etc...
7332 (native_interpret_int): New function.
7333 (native_interpret_real): New function.
7334 (native_interpret_complex): New function.
7335 (native_interpret_vector): New function.
7336 (fold_view_convert_expr): New function to constant fold/evaluate
7337 a VIEW_CONVERT_EXPR of a suitable constant expression.
7338 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7339 Change call of build1 to fold_build1 when constructing a
7342 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7343 Ulrich Weigand <uweigand@de.ibm.com>
7346 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7349 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7352 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7353 optimize to lo_sum for DFmode if !TARGET_FPRS.
7355 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7357 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7358 delete_alias_info, compute_flow_sensitive_aliasing,
7359 group_aliases): Use VEC instead of VARRAY.
7360 * tree-ssa-structalias.c (update_alias_info): Likewise.
7361 * tree-ssa-structalias.h (alias_info): Change the type of
7362 processed_ptrs to VEC(tree,heap) *.
7364 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7367 * config/sh/lib1funcs.h: New file, broken out of:
7368 * config/sh/lib1funcs.asm.
7369 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7371 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7372 * config/sh/lib1funcs-Os-4-200.asm: New file.
7373 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7374 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7375 (EXTRA_MULTILIB_PARTS): Include it.
7376 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7377 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7378 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7379 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7382 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7384 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7385 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7386 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7388 * tree-ssa-live.h: Include vecprim.h.
7389 (tree_partition_associator_d): Change the type of
7390 first_partition to VEC(int,heap) *.
7391 (tpa_first_partition): Use VEC instead of VARRAY.
7393 * Makefile.in (GTFILES): Move functions.h after tree.h.
7394 * function.c (reset_block_changes, record_block_change,
7395 check_block_change, free_block_changes): Use VEC instead of
7397 * function.h (function): Change the type of
7398 ib_boundaries_block to VEC(tree,gc) *.
7399 * tree-inline.c (copy_cfg_body): Initialize
7400 ib_boundaries_block to NULL instead of (varray_type) 0.
7402 2006-04-12 Roger Sayle <roger@eyesopen.com>
7404 * expr.c (emit_group_store): Correct operand order in call to
7405 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7406 a SUBREG_BYTE of zero.
7408 2006-04-12 Richard Guenther <rguenther@suse.de>
7410 * profile.c (compute_branch_probabilities): Remove code
7411 encapsulated in !ir_type (), which are remanents of the
7412 removed RTL profiling code.
7413 * rtl-profile.c: Remove.
7415 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7417 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7418 magic NULL_RTX comment.
7419 (function_arg): Store entire fp arg to mem if any part should go
7421 (rs6000_arg_partial_bytes): Adjust for above change.
7423 2006-04-11 Roger Sayle <roger@eyesopen.com>
7425 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7426 if it hasn't been initialized by dwarf2out_init.
7428 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7430 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7431 symbolic constants in branch patterns.
7433 2006-04-11 Roger Sayle <roger@eyesopen.com>
7435 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7437 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7439 PR rtl-optimization/27073
7440 * gcse.c (try_replace_reg): Revert last change. Continue to search
7441 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7444 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7446 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7447 aggregate types other than record and union types.
7448 (function_arg): Likewise.
7449 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7451 (function_value): In 64-bit mode, return objects that require it
7454 2006-04-11 Roger Sayle <roger@eyesopen.com>
7456 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7458 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7460 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7462 2006-04-03 Jeff Law <law@redhat.com>
7465 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7466 alias information too.
7468 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7470 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7472 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7475 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7476 (premark_used_types_helper): New.
7477 (premark_used_types): New.
7478 (gen_subprogram_die): Call premark_used_types.
7479 (prune_unused_types_walk): Do not prune perennial dies.
7480 * function.c (used_types_insert): New.
7481 * function.h (struct function): Add used_types_hash field.
7482 (used_types_insert): Add prototype.
7483 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7484 * c-parser.c (c_parser_cast_expression): Save casted types in used
7487 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7490 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7491 rs6000_explicit_options.float_gprs.
7493 2006-04-10 Roger Sayle <roger@eyesopen.com>
7495 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7496 from ix86_expand_vector_init_low_nonzero. Take an additional
7497 one_var argument indicating which element is non-zero. Support
7498 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7499 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7500 with one_var instead of ix86_expand_vector_init_low_nonzero.
7502 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7504 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7505 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7506 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7507 build/genextract.o): Depend on vecprim.h.
7508 * cfglayout.c, df-problems.c, function.c, genextract.c,
7509 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7510 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7514 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7516 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7517 Declare VECs of this type.
7518 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7519 (remove_children): Delete.
7520 (add_dwarf_attr): Use VEC routines.
7521 (add_AT_flag): Update for changes to add_dwarf_attr.
7522 (add_AT_int): Likewise.
7523 (add_AT_unsigned): Likewise.
7524 (add_AT_long_long): Likewise.
7525 (add_AT_vec): Likewise.
7526 (add_AT_string): Likewise.
7527 (add_AT_die_ref): Likewise.
7528 (add_AT_fde_ref): Likewise.
7529 (add_AT_loc): Likewise.
7530 (add_AT_loc_list): Likewise.
7531 (add_AT_addr): Likewise.
7532 (add_AT_lbl_id): Likewise.
7533 (add_AT_lineptr): Likewise.
7534 (add_AT_macptr): Likewise.
7535 (add_AT_offset): Likewise.
7536 (add_AT_range_list): Likewise.
7537 (get_AT): Use VEC_iterate.
7538 (remove_AT): Use VEC_ordered_remove.
7539 (free_die): Fold remove_children into here; have it use VEC_iterate.
7540 (print_die): Use VEC_iterate on attrs.
7541 (reverse_die_lists): Don't reverse attr lists.
7542 (die_checksum): Use VEC_iterate on attrs.
7543 (same_die_p): Likewise.
7544 (output_location_lists): Likewise.
7545 (build_abbrev_table): Likewise.
7546 (size_of_die): Likewise.
7547 (unmark_all_dies): Likewise.
7548 (output_abbrev_section): Likewise.
7549 (output_die): Likewise.
7550 (prune_unused_types_walk_attribs): Likewise.
7552 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7554 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7556 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7559 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7561 2006-04-09 Roger Sayle <roger@eyesopen.com>
7563 * expr.c (store_constructor): Don't bother clearing target if
7564 we're about to assign a vector to it using vec_init_optab.
7566 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7568 * tree-ssa-alias.c (lhs_may_store_to): New function.
7569 (recalculate_used_alone): Handle LHS of calls.
7571 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7575 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7576 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7577 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7578 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7579 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7580 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7581 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7582 stubs. Add ".align 8" directives before all ".dword" directives.
7583 (GTHREAD_USE_WEAK): Revise comment.
7584 (TARGET_ATTRIBUTE_WEAK): Define.
7585 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7586 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7587 * stublib.c: New file.
7592 * pa.md (cbranch patterns): Revise arguments used in calls to
7593 output_cbranch, output_bb and output_bvd. Add long branch length
7595 (fbranch patterns): Handle long branches.
7596 (jump): Revise length check. Revise arguments for output_lbranch call.
7597 Add long branch length attributes.
7598 (decrement_and_branch_until_zero): Add long branch length attributes.
7599 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7600 Likewise. Revise arguments for output_parallel_addb and
7601 output_parallel_movb calls.
7602 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7603 output_parallel_movb and output_parallel_addb): Update prototypes.
7604 * pa.c (output_cbranch): Revise arguments. Correct handling of
7605 nullification in long branches.
7606 (output_lbranch): Add new argument to control extraction of delay
7608 (output_bb): Handle long branches.
7609 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7610 output_parallel_addb): Likewise.
7612 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7614 PR rtl-optimization/27073
7615 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7618 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7620 * tree.h (tree_memory_tag): Add old_used_alone.
7621 (SMT_OLD_USED_ALONE): New macro.
7622 * tree-ssa-alias.c (recalculate_used_alone): Stop
7623 marking things for renaming unnecessarily.
7625 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7627 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7628 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7629 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7630 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7631 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7632 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7633 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7634 spelling convensions.
7635 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7636 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7637 typos. Follow spelling conventions.
7639 2006-04-07 DJ Delorie <dj@redhat.com>
7641 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7642 passed on the stack.
7643 (m32c_init_cumulative_args): When a function returns a structure,
7644 always pass the pointer to that return area on the stack.
7645 (m32c_function_arg_advance): Don't increment the parameter number
7646 if we're processing the returned structure pointer.
7647 (pushm_info): Reverse order of registers.
7649 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7651 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7652 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7653 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7654 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7656 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7657 chrec_fold_multiply): Same.
7658 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7659 force_expr_to_var_cost): Same.
7660 * tree-mudflap.c (mf_xform_derefs_1): Same.
7661 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7663 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7665 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7666 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7669 2006-04-07 Jan Hubicka <jh@suse.cz>
7671 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7673 2006-04-07 Richard Guenther <rguenther@suse.de>
7675 PR tree-optimization/26135
7676 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7677 loads for store copy-prop.
7678 (copy_prop_visit_stmt): Likewise.
7680 2006-04-05 Robert Millan <robertmh@gnu.org>
7682 * config/i386/linux.h: Add a comment to mark macros that are
7683 being overriden in config/k*bsd-gnu.h.
7684 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7686 * config/knetbsd-gnu.h: Ditto.
7688 2006-04-06 Jan Hubicka <jh@suse.cz>
7692 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7695 2006-04-06 Mike Stump <mrs@apple.com>
7697 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7698 for HAVE_nonlocal_goto to be consistent.
7699 (expand_builtin_nonlocal_goto): Likewise.
7700 (expand_builtin_strcmp): Use #ifdef instead of #if
7701 for HAVE_cmpstrnsi to be consistent.
7703 2006-04-05 DJ Delorie <dj@redhat.com>
7705 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7708 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7710 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7711 got-relative addressing for anything but SImode.
7713 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7714 even if the calling function doesn't modify them.
7716 2006-04-05 Richard Guenther <rguenther@suse.de>
7718 PR tree-optimization/26919
7719 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7720 to cgraph_estimate_size_after_inlining.
7722 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7724 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7726 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7728 PR tree-optimization/26996
7729 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7730 VECTOR_TYPE variables.
7732 2006-04-05 Richard Guenther <rguenther@suse.de>
7734 PR tree-optimization/26763
7735 * fold-const.c (fold_comparison): Move folding of
7736 PTR + CST CMP PTR + CST ...
7737 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7739 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7741 * doc/install.texi (Prerequisites): Refine some wording on
7742 bootstrapping and ksh.
7743 Move the version numbers of DejaGnu here from the testing section
7744 and fix casing of names.
7745 Fix markup and clarify wording for autogen requirements.
7746 Refer to GCJ instead of just java.
7747 Refer to SVN instead of CVS.
7748 Describe diffutils as useful instead of necessary.
7749 (Downloading the source): Refer to SVN instead of CVS.
7750 Adjust a link to our web site accordingly.
7751 (Configuration): Fix casing of Bison.
7752 (Building): Refer to SVN instead of CVS.
7753 Fix a sentence on the use of Bison and remove duplicate (and
7754 incorrect) version number of Bison requirement.
7755 Remove one redundant list of packages needed for building.
7756 (Specific): Avoid reference to CVS.
7758 2006-04-04 Eric Christopher <echristo@apple.com>
7760 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7761 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7762 (rs6000_handle_struct_attribute): New.
7763 (rs6000_ms_bitfield_layout_p): Ditto.
7765 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7767 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7768 NULL for dso parameter to atexit_common.
7770 2006-04-04 Eric Christopher <echristo@apple.com>
7772 * config/i386/i386.c (machopic_output_stub): Output \t
7773 between instructions and operands.
7775 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7777 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7778 satisfies_constraint_[IL] to explicit tests on value.
7780 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7782 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7783 set_nb_iterations_in_loop): Use build_int_cst instead of
7785 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7786 build_int_cst instead of convert.
7788 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7790 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7791 new value 2 for incoming.
7792 * function.c (expand_function_start): Call struct_value_rtx
7794 * config/sparc/sparc.md: Comment updated_return.
7795 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7796 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7797 struct return if sparc_std_struct_return and incoming is 2.
7798 (print_operand): Do not adjust return if
7799 sparc_std_struct_return.
7801 2006-04-04 Roger Sayle <roger@eyesopen.com>
7803 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7804 convert in the middle-end.
7805 * expr.c (store_expr, store_constructor, get_inner_reference,
7806 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7808 * tree.c (build_range_type): Likewise.
7810 2006-04-04 Tom Tromey <tromey@redhat.com>
7812 * doc/install.texi (Prerequisites): Mention jar.
7814 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7816 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7819 2006-04-04 Matthias Klose <doko@debian.org>
7821 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7825 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7828 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7830 * doc/extend.texi (Function Attributes): Rewrite visibility
7831 attribute documentation.
7832 * doc/invoke.texi (C++ Dialect Options): Rewrite
7833 -fvisibility-inlines-hidden documentation to describe something
7834 entirely different, although in practise compatible.
7835 (Code Gen Options): Warn about system headers in -fvisibility=
7838 * doc/extend.texi (Other Builtins): Document that
7839 __builtin_nan is a compile-time constant only when its argument
7842 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7844 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7845 trying to remove TRUNCATE check if all bits outside the new mode
7846 are identical to the sign bit.
7848 2006-04-03 Jeff Law <law@redhat.com>
7850 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7851 and operand scanning in some common cases.
7853 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7854 Dale Johannesen <dalej@apple.com>
7857 * regclass.c (struct reg_pref): Update documentation.
7858 (regclass): Set prefclass to NO_REGS if memory is the best option.
7859 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7860 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7861 into account. For non-registers, equate an empty preferred
7862 reload class to a `!' in the constraint; move the if clause to
7863 do so after those that reject the insn.
7864 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7866 (find_dummy_reload): Likewise.
7867 * doc/tm.texi (Register Classes): Document what it means
7868 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7869 * config/i386/i386.c (ix86_preferred_reload_class): Force
7870 using SSE registers (and return NO_REGS for floating-point
7871 constants) if math is done with SSE.
7872 (ix86_preferred_output_reload_class): New.
7873 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7874 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7875 * config/i386/i386.md: Remove # register preferences.
7877 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7880 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7881 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7882 the type of nb_iter.
7883 (instantiate_parameters_1): Convert the operands before calling
7884 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7885 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7887 2006-04-02 Roger Sayle <roger@eyesopen.com>
7889 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7890 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7892 * dojump.c (do_jump): Likewise.
7893 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7894 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7895 gimplify_boolean_expr): Likewise.
7896 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7897 * varasm.c (array_size_for_constructor): Likewise.
7898 * tree-object-size.c (compute_object_offset): Likewise.
7900 2006-04-02 Roger Sayle <roger@eyesopen.com>
7903 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7904 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7906 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7908 PR tree-optimization/26939
7909 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7911 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7913 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7914 at_stmt. Convert the type of operands before calling
7915 build_polynomial_chrec.
7916 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7918 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7919 (instantiate_parameters_1): Convert the type of operands before calling
7920 build_polynomial_chrec.
7921 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7922 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7923 reset_evolution_in_loop): Insert asserts to check the types of the
7925 (chrec_type): Moved...
7926 (eq_evolutions_p): Use operand_equal_p.
7927 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7928 the types of the operands.
7929 (chrec_type): ...here.
7930 * tree-data-ref.c (create_data_ref): Convert the operands before
7931 calling chrec_replace_initial_condition.
7932 (same_access_functions, analyze_subscript_affine_affine,
7933 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7934 (compute_subscript_distance, analyze_ziv_subscript,
7935 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7936 analyze_miv_subscript): Convert the operands before calling
7937 chrec_fold_minus or chrec_fold_plus.
7939 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7941 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7942 the dependence_relations vector.
7943 (compute_data_dependences_for_loop): Adjust call to
7944 compute_all_dependences.
7946 2006-04-01 Roger Sayle <roger@eyesopen.com>
7947 Richard Henderson <rth@redhat.com>
7949 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7950 gimple_boolify on the condition before calling gimplify_expr.
7952 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7954 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7955 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7956 the frame size. Update to use the new macros.
7957 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7958 * config/xtensa/ieee754-df.S: Likewise.
7960 2006-03-31 Richard Henderson <rth@redhat.com>
7962 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7963 (make_edges): ... here. Control fallthru creation with a local
7964 variable. Do not play with fake edges.
7965 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7966 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7969 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7971 * dwarf2.h (DW64_CIE_ID): Define.
7972 * dwarf2out.c (DWARF_CIE_ID): Define.
7973 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7974 length header. Use DWARF_CIE_ID.
7975 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7976 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7978 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7980 * config/sh/linux-atomic.asm: New file.
7981 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7983 2006-03-31 DJ Delorie <dj@redhat.com>
7985 * config/m32c/cond.md: Set condition flags properly throughout.
7986 * config/m32c/minmax.md: Likewise.
7987 * config/m32c/prologue.md: Likewise.
7988 * config/m32c/bitops.md: Likewise.
7989 * config/m32c/muldiv.md: Likewise.
7990 * config/m32c/mov.md: Likewise.
7991 * config/m32c/addsub.md: Likewise.
7992 * config/m32c/m32c.md: Likewise.
7993 * config/m32c/jump.md: Likewise.
7994 * config/m32c/shift.md: Likewise.
7996 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7997 conditionally output the pattern for this.
7998 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7999 (m32c_compare_redundant): New.
8000 (m32c_output_compare): New.
8001 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8003 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8004 dest, not src. Allow other 4-byte modes.
8006 2006-03-30 Denis Chertykov <denisc@overta.ru>
8008 * doc/md.texi: Refer to avr/constraints.md instead of
8011 2006-03-30 Roger Sayle <roger@eyesopen.com>
8013 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8014 signed vs. unsigned comparison failures on some hosts.
8016 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8019 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8020 change to FLOAT_REGS.
8022 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8023 (rs6000_override_options): Use it.
8024 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8025 only for -mabi=spe/no-spe and -mabi=altivec.
8027 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8029 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8032 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8034 * Makefile.in: Rename docdir to gcc_docdir.
8036 2006-03-30 Roger Sayle <roger@eyesopen.com>
8039 * expr.c (emit_group_store): Optimize group stores into a pseudo
8040 register by using a paradoxical subreg to initialize the destination
8041 if the first or last member of the group specifies a "low part".
8043 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8046 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8047 * target.h (struct gcc_target.speculate_insn): Change type of the
8048 second parameter to 'int'.
8049 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8050 the second operand of the DEPS_LIST.
8051 (copy_DEPS_LIST_list): Update reference to the second operand of the
8053 * rtl.h (alloc_DEPS_LIST): Update signature.
8054 * sched-int.h (ds_t): Change typedef to 'int'.
8055 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8057 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8059 * haifa-sched.c (try_ready): Change condition to restore
8060 non-speculative pattern of the instruction.
8061 (process_insn_depend_be_in_spec): Code to keep probability of the
8062 speculative dependence non-decreasing.
8064 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8066 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8067 (single_move_for_movmem): ... this. Also change all uses.
8068 (bfin_expand_strmov): Renamed to...
8069 (bfin_expand_movmem): ... this. Also change all uses.
8070 * config/bfin/bfin.md (movstrsi): Renamed to...
8071 (movstrsi): ...this.
8073 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8075 PR tree-optimization/26830
8077 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8078 (copy_prop_visit_stmt): Remove write-only variable ann.
8079 (init_copy_prop): Check variable loop depth here. Do not simulate
8080 memory-tag and virtual operand PHIs except for store copy prop.
8082 2006-03-30 Richard Guenther <rguenther@suse.de>
8084 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8085 variants with double arguments.
8087 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8089 * genpreds.c (write_tm_constrs_h): Delete variable p.
8090 * genconditions.c (write_header): Add tm-constrs.h to included
8092 * genpeep.c (main): Add toplev.h to included headers.
8093 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8094 (build/genpeep.o): Add toplev.h dependency.
8095 * config/rs6000/constraints.md: Add "W" constraint.
8097 2006-03-29 Roger Sayle <roger@eyesopen.com>
8099 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8100 sizes by correctly testing whether the size fits a host integer.
8101 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8102 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8103 SImode range for the default sizetype and bitsizetype.
8105 2006-03-29 Roger Sayle <roger@eyesopen.com>
8107 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8108 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8109 quickly if the argument is already of the correct type.
8110 Call fold_build1 instead of build1. Tidy up blank lines.
8112 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8114 * genemit.c (main): Add tm-constrs.h to included headers.
8115 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8116 * genpeep.c (main): Add tm-constrs.h to included headers.
8117 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8118 (write_tm_constrs_h): this and write complete file.
8119 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8120 (write_insn_preds_c): Add tm-constrs.h to included headers.
8121 (gen_constrs): New variable.
8122 (parse_option): Parse "-c".
8123 (main): Invoke write_tm_constrs_h.
8124 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8125 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8126 (object_out_file): Add tm-constrs.h dependency.
8127 (insn-emit.o): Same.
8128 (insn-output.o): Same.
8129 (insn-peep.o): Same.
8130 (insn-preds.o): Same.
8131 (insn-recog.o): Same.
8132 (tm-constsr.h): New target.
8133 (s-constrs-h): New target.
8135 * config/rs6000/constraints.md: New file.
8136 * config/rs6000/rs6000.c: Include tm-constrs.h.
8137 (num_insn_constant_wide): Convert to satisfies_constraint.
8138 (rs6000_rtx_costs): Convert to satisfies_constraint.
8139 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8140 (CONST_OK_FOR_LETTER_P): Delete.
8141 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8142 (EXTRA_CONSTRAINT): Delete.
8143 (EXTRA_MEMORY_CONSTRAINT): Delete.
8144 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8145 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8146 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8147 satisfies_constraint.
8149 * config/i386/i386.c: Include tm-constrs.h.
8151 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8153 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8154 * tree-data-ref.c (find_data_references_in_loop,
8155 compute_data_dependences_for_loop): Use pointers to VEC.
8156 (analyze_all_data_dependences): Adjust calls.
8157 * tree-data-ref.h (find_data_references_in_loop,
8158 compute_data_dependences_for_loop): Adjust declarations.
8159 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8160 compute_data_dependences_for_loop.
8162 2006-03-29 Paul Brook <paul@codesourcery.com>
8164 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8167 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8169 PR tree-optimization/26859
8170 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8172 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8173 for the step after fold_convert.
8175 2006-03-29 Paul Brook <paul@codesourcery.com>
8177 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8178 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8180 2006-03-29 Paul Brook <paul@codesourcery.com>
8183 * targhooks.c (default_narrow_bitfield): New fuction.
8184 * targhooks.h (default_narrow_bitfield): add prototype.
8185 * target.h (gcc_target): Add narrow_volatile_bitfield.
8186 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8187 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8188 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8189 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8191 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8193 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8195 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8196 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8197 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8198 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8199 (s390_function_arg_float): Allow SDmode and DDmode values to be
8200 passed in floating point registers.
8201 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8202 check with SCALAR_FLOAT_MODE_P.
8203 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8205 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8207 PR tree-optimization/25985
8208 * tree-ssa-loop-niter.c (number_of_iterations_le,
8209 number_of_iterations_ne): Make comments more precise.
8210 (number_of_iterations_cond): Add only_exit argument. Use the
8211 fact that signed variables do not overflow only when only_exit
8213 (loop_only_exit_p): New.
8214 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8215 number_of_iterations_cond.
8217 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8219 PR tree-optimization/26643
8220 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8223 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8225 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8226 (divsi3_i4_int): Likewise.
8228 2006-03-28 Roger Sayle <roger@eyesopen.com>
8230 * expr.c (emit_group_store): Only create a new pseudo reg if the
8231 quantity it needs to hold isn't already a suitable pseudo.
8233 2006-03-28 Jeff Law <law@redhat.com>
8235 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8236 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8238 2006-03-28 Roger Sayle <roger@eyesopen.com>
8240 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8241 the equivalent ~X & Y, and the symmetry related transformations.
8242 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8243 ~X & Y, and symmetry related transforms.
8245 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8247 Revert my 2006-03-27 patches.
8249 2006-03-28 Roger Sayle <roger@eyesopen.com>
8251 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8252 ~(T1)X, when T1 and T2 are integer types of the same precision
8253 and (T2)X isn't an extension.
8255 2006-03-28 Jeff Law <law@redhat.com>
8257 PR tree-optimization/26796
8258 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8259 need EH edge cleanups rather than purging them immediately.
8260 (eliminate_degenerate_phis): Handle queued EH cleanups.
8262 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8264 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8267 2006-03-27 Roger Sayle <roger@eyesopen.com>
8270 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8271 cast BIT_NOT_EXPR operand to the correct type.
8273 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8275 * tree-loop-linear.c: Don't include varray.h.
8276 (gather_interchange_stats, try_interchange_loops,
8277 linear_transform_loops): Use VEC instead of VARRAY.
8278 * lambda-mat.c: Don't include varray.h.
8279 * tree-chrec.c: Same.
8280 * lambda-trans.c: Same.
8281 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8282 VEC instead of VARRAY.
8283 * tree-vectorizer.h: Idem.
8284 * tree-data-ref.c (dump_data_references,
8285 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8286 initialize_data_dependence_relation, finalize_ddr_dependent,
8287 compute_all_dependences, find_data_references_in_loop,
8288 compute_data_dependences_for_loop, analyze_all_data_dependences,
8289 free_dependence_relation, free_dependence_relations,
8290 free_data_refs): Idem.
8291 * tree-data-ref.h (data_reference_p, subscript_p): New.
8292 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8293 VEC instead of VARRAY.
8294 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8295 (find_data_references_in_loop, compute_data_dependences_for_loop,
8296 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8297 dump_data_dependence_relations, free_dependence_relations,
8298 free_data_refs): Adjust declaration.
8299 (lambda_transform_legal_p): Move declaration here...
8300 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8301 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8302 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8303 vect_analyze_data_refs): Use VEC instead of VARRAY.
8304 * lambda.h (lambda_transform_legal_p): ...from here.
8305 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8306 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8307 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8308 tree-chrec.o): Don't depend on VARRAY_H.
8310 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8312 * rtl.def (Copyright): Update date.
8313 (DEPS_LIST): Change type of the second operand to 'int'.
8314 * target.h (Copyright): Update date.
8315 (struct gcc_target.speculate_insn): Change type of the second parameter
8317 * lists.c (Copyright): Update date.
8318 (alloc_DEPS_LIST): Change signature. Update reference to the second
8319 operand of the DEPS_LIST.
8320 (copy_DEPS_LIST_list): Update reference to the second operand of the
8322 * rtl.h (Copyright): Update date.
8323 (alloc_DEPS_LIST): Update signature.
8324 * sched-int.h (Copyright): Update date.
8325 (ds_t): Change typedef to 'int'.
8326 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8328 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8330 * haifa-sched.c (Copyright): Update date.
8331 (try_ready): Change condition to restore non-speculative pattern
8333 (process_insn_depend_be_in_spec): Code to keep probability of the
8334 speculative dependence non-decreasing.
8336 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8338 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8339 shut up the compiler.
8341 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8343 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8344 to use lib prefix for target.
8345 ($(T)libic_invalidate_array_4-200.a): Likewise.
8346 ($(T)libic_invalidate_array_4a.a): Likewise.
8348 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8349 J"orn Rennecke <joern.rennecke@st.com>
8351 * superh.opt: New file.
8352 * sh.c (boardtype, osruntime): Remove.
8353 * superh.h (SUBTARGET_OPTIONS): Remove.
8354 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8356 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8357 arguments with ^ and/or [].
8359 * config.gcc (sh-*-*): Add quoting to account for quirk of
8361 Replace == with = in enable_incomplete_targets test.
8363 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8364 with MASK_LITTLE_ENDIAN.
8366 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8367 * config/sh/sh.opt: Added to some comments.
8368 * config/sh/superh.h: Removed some chaff.
8370 * config/sh/sh.opt: Add m4-[1234]00* options.
8371 * config/sh/sh.c (sh_handle_option): Likewise.
8372 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8373 (ic_invalidate_array_4-100.o): New rule.
8374 ($(T)libic_invalidate_array_4-100.a): Likewise.
8375 (ic_invalidate_array_4-200.o): Likewise.
8376 ($(T)libic_invalidate_array_4-200.a): Likewise.
8377 (ic_invalidate_array_4a.o): Likewise.
8378 ($(T)libic_invalidate_array_4a.a): Likewise.
8379 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8380 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8382 * config/sh/crt1.asm: Merged in profiling code.
8383 * config/sh/superh.h (STARTFILE_SPEC): Override.
8384 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8385 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8386 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8388 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8389 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8390 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8392 * sh.opt (mpretend-cmove): New option.
8393 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8394 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8395 (movsicc): Add TARGET_PRETEND_CMOVE code.
8397 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8399 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8400 s390_class_max_nregs): New function prototypes.
8401 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8402 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8403 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8404 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8406 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8408 * dwarf2out.c (add_location_or_const_value_attribute): Call
8409 tree_add_const_value_attribute if nothing else works.
8410 (reference_to_unused): New.
8411 (rtl_for_decl_init): Use reference_to_unused to decide whether
8412 to output an initializer.
8414 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8417 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8418 peephole removing spe frob_di_df_2.
8420 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8422 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8423 (subscript_dependence_tester_1): Declared.
8424 (print_dir_vectors, print_dist_vectors): New.
8425 (debug_data_dependence_relation): New.
8426 (dump_data_dependence_relation): Print more details.
8427 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8428 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8429 (save_dist_v, save_dir_v, add_outer_distances,
8430 build_classic_dist_vector_1): New.
8431 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8432 Don't test for lambda_vector_lexico_pos.
8433 (same_access_functions, add_multivariate_self_dist,
8434 add_other_self_distances, dir_from_dist): New.
8435 (build_classic_dir_vector): Replace implementation almost identical to
8436 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8438 (subscript_dependence_tester_1): New.
8439 (subscript_dependence_tester): Handle the lexicographically negative
8440 distance vectors by recomputing the dependence relation.
8441 (compute_affine_dependence): Remove parameter loop_nest_depth.
8442 (compute_self_dependence): Don't call compute_subscript_distance.
8443 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8444 Add a parameter for the loop_nest.
8445 (find_loop_nest_1, find_loop_nest): New.
8446 (compute_data_dependences_for_loop): Compute the loop nest, and give
8447 up if the nest is not well formed.
8448 * tree-data-ref.h (loop_p): New.
8449 (struct data_dependence_relation): Replace size_vect field with
8450 loop_nest, a vec of loops.
8451 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8452 (DDR_LOOP_NEST): New.
8453 (print_dir_vectors, print_dist_vectors,
8454 debug_data_dependence_relation): Declared.
8455 (index_in_loop_nest): New.
8456 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8457 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8460 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8462 * simplify-rtx.c (simplify_relational_operation): Call
8463 simplify_relational_operation_1 even if mode is VOIDmode.
8465 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8467 PR tree-optimization/26804
8468 * tree.h (DECL_CALL_CLOBBERED): New macro.
8469 (tree_decl_common): Add call_clobbered_flag.
8470 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8471 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8472 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8473 (mark_non_addressable): Ditto.
8474 * tree-ssa.c (verify_call_clobbered): New function.
8475 (verify_alias_info): Use it.
8476 * tree-pass.h (pass_reset_cc_flags): New prototype.
8477 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8478 (reset_cc_flags): New function.
8479 * passes.c (init_optimization_passes): Call reset_cc_flags after
8480 initializing referenced_vars.
8482 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8483 Roger Sayle <roger@eyesopen.com>
8486 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8487 to 1.0 for non-real operands. Implement A / A optimization for
8490 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8492 * config/i386/i386.c (size_cost): Correct the comment for
8493 cost of storing fp registers.
8494 (i386_cost): Likewise.
8495 (i486_cost): Likewise.
8496 (pentium_cost): Likewise.
8497 (pentiumpro_cost): Likewise.
8498 (k6_cost): Likewise.
8499 (athlon_cost): Likewise.
8500 (k8_cost): Likewise.
8501 (pentium4_cost): Likewise.
8502 (nocona_cost): Likewise.
8503 (generic64_cost): Likewise.
8504 (generic32_cost): Likewise.
8506 2006-03-24 Denis Chertykov <denisc@overta.ru>
8508 * config/avr/avr-protos.h (extra_constraint): Delete.
8509 (extra_constraint_Q): New declaration.
8510 * config/avr/constraints.md: New file.
8511 * config/avr/avr.md: Include it.
8512 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8513 (TMP_REGNO, ZERO_REGNO): Likewise.
8514 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8515 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8516 (extra_constraint): Delete.
8517 (extra_constraint_Q): Test for memory constraint 'Q'.
8518 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8519 (REG_CLASS_FROM_LETTER): Delete.
8520 (CONST_OK_FOR_LETTER_P): Delete.
8521 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8522 (EXTRA_CONSTRAINT): Delete.
8523 (TMP_REGNO): Delete.
8524 (ZERO_REGNO): Delete.
8526 2006-03-24 Jeff Law <law@redhat.com>
8528 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8529 directly. Call mark_new_vars_to_rename slightly earlier.
8531 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8533 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8535 (gen_compile_unit_die): Use new language types for Objective-C and
8537 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8538 DW_LANG_C_plus_plus.
8541 * config/t-darwin (crt3.o): Work around bug 26840.
8542 * config/darwin-crt3.c: Rewrite.
8543 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8545 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8547 * doc/invoke.texi: Document -femit-class-debug-always
8548 * common.opt: Add -femit-class-debug-always.
8550 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8552 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8553 index and base register.
8554 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8555 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8556 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8557 REGNO_OK_FOR_INDEX_P.
8558 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8560 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8561 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8562 REG_OK_FOR_BASE_P): Definitions removed.
8564 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8567 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8568 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8569 set yet or weren't marked as local yet.
8571 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8573 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8576 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8578 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8579 (rs6000_legitimate_small_data_p): Delete.
8580 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8581 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8582 and make static. Add forward declaration. Update uses.
8583 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8584 of offsettable_memref_p.
8585 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8586 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8588 2006-03-24 Jeff Law <law@redhat.com>
8590 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8591 around bug in immediate-use iterator.
8593 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8596 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8597 or __LITTLE_ENDIAN__.
8599 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8601 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8602 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8603 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8604 * config/sh/sh.opt (mdiv=): Amend description.
8605 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8606 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8607 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8608 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8609 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8610 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8611 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8612 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8613 TARGET_DIVIDE_CALL_FP.
8615 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8617 * haifa-sched.c (choose_ready): Fix type of the local variable.
8618 Move local variables. Add comment.
8619 (check_reg_live): Change signature. Make callable from debugger.
8620 * sched-int.h (check_reg_live): Update signature.
8621 * sched-ebb.c (check_reg_live): Update parameters.
8622 * sched-rgn.c (check_reg_live): Ditto.
8623 (region_head_or_leaf_p): Check pointer before dereferencing.
8624 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8625 before reload on optimization levels below 1.
8627 2006-03-23 Richard Henderson <rth@redhat.com>
8629 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8633 * config/alpha/predicates.md (local_symbolic_operand): Reject
8636 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8639 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8640 expressions which have overflowed constants.
8642 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8644 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8646 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8648 * cfgloopmanip.c (create_loop_notes): Removed.
8649 * final.c (final_scan_insn): Do not handle loop notes.
8650 * jump.c (squeeze_notes): Ditto.
8651 * cfglayout.c (skip_insns_after_block,
8652 duplicate_insn_chain): Ditto.
8653 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8655 * cfgloop.h (create_loop_notes): Declaration removed.
8657 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8659 * varasm.c (output_constant_pool): Restore fnname and fndecl
8661 (assemble_start_function): Adjust call accordingly.
8662 (assemble_end_function): Likewise.
8664 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8667 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8670 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8672 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8675 * system.h (ICE_EXIT_CODE): New macro.
8676 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8677 (diagnostic_action_after_output): Likewise.
8678 * gcc.c (fatal_ice): New function.
8679 (execute): Use it instead of fatal.
8680 (fancy_abort): Likewise.
8681 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8683 2006-03-22 Jeff Law <law@redhat.com>
8685 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8686 iv_analyze_result returning false.
8688 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8690 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8692 2006-03-22 Richard Henderson <rth@redhat.com>
8695 * except.c (duplicate_eh_regions_0): New.
8696 (duplicate_eh_region_1): Duplicate the children of the node as
8697 well as the node itself. Link them up properly.
8698 (duplicate_eh_region_2): Merge into ...
8699 (duplicate_eh_regions): ... here. Take copy_region argument, and
8700 copy only a sub-tree if asked. Simplify copying and fixup.
8701 (eh_region_outer_p): New.
8702 * except.h (duplicate_eh_regions): Update decl.
8703 (eh_region_outer_p): Declare.
8704 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8705 (lower_omp_master): Likewise.
8706 (lower_omp_ordered): Likewise.
8707 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8708 (move_stmt_r): Use it to remap labels. Handle recursion vs
8709 remap_decls_p properly.
8710 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8711 (find_outermost_region_in_block): New.
8712 (new_label_mapper): New.
8713 (move_sese_region_to_fn): Copy eh information to the new function
8715 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8717 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8720 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8722 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8723 into shared libraries.
8725 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8727 * doc/md.texi: Refer to i386/constraints.md instead of
8729 * config/i386/constraints.md: New file, extracted from...
8730 * config/i386/predicates.md: ...here.
8731 * config/i386/i386.md: Include constraints.md.
8733 2006-03-21 Jason Merrill <jason@redhat.com>
8735 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8738 * expr.c (init_block_move_fn): Force default visibility.
8739 (init_block_clear_fn): Likewise.
8740 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8741 * targhooks.c (default_external_stack_protect_fail): Likewise.
8743 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8745 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8746 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8747 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8748 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8749 (loadgp): Use mips_current_loadgp_style.
8750 (loadgp_noshared): New pattern.
8751 (sibcall_internal): Use MIPS_CALL.
8752 (sibcall_value_internal): Likewise.
8753 (sibcall_value_multiple_internal): Likewise.
8754 (call_internal): Likewise.
8755 (call_value_internal): Likewise.
8756 (call_value_multiple_internal): Likewise.
8757 (call_split): Use MIPS_CALL and add an 'S' constraint.
8758 (call_value_split): Likewise.
8759 (call_value_multiple_split): Likewise.
8760 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8761 (-mshared): New option.
8762 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8763 (mips_current_loadgp_style): Declare.
8764 * config/mips/mips.c (mips_classify_symbol): Avoid using
8765 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8766 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8767 TARGET_ABSOLUTE_ABICALLS.
8768 (override_options): Adjust comments. Improve the warning that is
8769 issued when -mabicalls and -G are used together.
8770 (mips_file_start): Remove comment.
8771 (mips_current_loadgp_style): New function.
8772 (mips_gnu_local_gp): New variable.
8773 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8775 (mips_output_function_prologue): Use mips_current_laodgp_style.
8776 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8777 the cprestore instruction.
8778 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8779 live for TARGET_ABSOLUTE_ABICALLS.
8780 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8781 (ASM_SPEC): Pass down -mshared and -mno-shared.
8782 (MIPS_CALL): New macro.
8783 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8785 * doc/invoke.texi (-mabicalls): Update documentation.
8786 (-mshared): Document.
8788 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8790 * config/ia64/unwind-hpux.c: New file.
8791 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8793 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8796 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8798 2006-03-21 Jeff Law <law@redhat.com>
8800 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8801 type conversions of a VR_VARYING source to a wider type.
8803 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8805 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8806 tm_file on Solaris 10 and later.
8807 (sparc64-*-solaris2*): Likewise.
8808 (sparc-*-solaris2*): Likewise.
8809 * config/sol26.h: Rename to config/sol2-6.h.
8810 * config/sol2-10.h: New file.
8812 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8815 * tree-ssa-pre.c (create_component_ref_by_pieces):
8818 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8821 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8822 return it immediately.
8824 2006-03-21 Michael Matz <matz@suse.de>
8826 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8828 (remove_arc, add_arc): Update num_out_arcs member.
8829 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8831 (cache_presence): New function.
8832 (compare_states_for_equiv): New function.
8833 (state_is_differed): Don't take number of outargs, adjust callers.
8834 Use new invariant for speeding up.
8835 (init_equiv_class): Create initial classes based on sorted
8837 (partition_equiv_class): Don't track out_arcs_num.
8838 (evaluate_equiv_classes): Call cache_presence on all states and
8841 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8843 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8844 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8845 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8846 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8848 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8849 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8850 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8851 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8852 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8854 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8855 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8856 (REGNO_REG_CLASS): ARGP is in PREGS.
8857 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8859 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8860 to deal with those addresses.
8861 * addresses.h: New file.
8862 * caller-save.c: Include "addresses.h".
8863 (init_caller_save): Use new base_reg_class function.
8864 * rtl-factoring.c: Include "addresses.h".
8865 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8866 * recog.c: Include "addresses.h".
8867 (preprocess_constraints): Use new base_reg_class function.
8868 * regrename.c: Include "addresses.h".
8869 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8870 functions. Keep track of a new var INDEX_CODE to compute valid
8872 (replace_oldest_value_addr): Likewise.
8873 (replace_oldest_value_mem): Use base_reg_class.
8874 * reload.c: Include "addresses.h".
8875 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8876 (find_reloads): Use new base_reg_class function.
8877 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8878 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8879 all callers and prototype changed.
8880 * reload1.c: Include "addresses.h".
8881 (maybe_fix_stack_asms): Use base_reg_class.
8882 * regclass.c: Include "addresses.h".
8883 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8884 (init_reg_autoinc): Use new base_reg_class function.
8885 (record_reg_classes): Likewise.
8886 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8887 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8888 Use new args to compute necessary class.
8890 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8891 regrename.o, rtl-factoring.o): Update dependencies.
8892 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8893 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8894 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8895 REG_OK_FOR_INDEX_P): Delete documentation.
8897 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8899 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8900 from V7 to V9 for Solaris 7 and above.
8902 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8904 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8905 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8906 argument pointers may not alias any other storage.
8907 * common.opt: Define option -fargument-noalias-anything.
8908 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8909 alias semantics is specified by flag_argument_noalias > 2.
8911 2006-03-20 Jeff Law <law@redhat.com>
8913 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8914 (pass_phi_only_cprop): Declare.
8915 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8917 * tree-ssa-dom.c (degenerate_phi_result): New function.
8918 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8919 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8920 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8921 (eliminate_degenerate_phis): Likewise.
8922 (pass_phi_only_cprop): New pass descriptor.
8923 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8924 support code. Callers updated.
8925 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8926 (store_copy_prop): Likewise.
8927 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8929 2006-03-20 Jason Merrill <jason@redhat.com>
8932 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8933 (push_visibility, pop_visibility): Likewise.
8934 * c-pragma.h: Declare them.
8936 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8938 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8940 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8941 parameter and use get_ebb_head_tail.
8942 (sh_md_init_global): Adjust uses of find_regmode_weight.
8944 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8946 * function.h (struct function) <x_tail_recursion_reentry>:
8947 Rename to x_stack_check_probe_note.
8948 (tail_recursion_reentry): Rename to stack_check_probe_note.
8949 * function.c: Replace tail_recursion_reentry with
8950 stack_check_probe_note everywhere.
8951 (expand_function_start): Only emit a note for
8952 stack_check_probe_note with -fstack-protect.
8953 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8955 * emit-rtl.c (remove_unnecessary_notes): Remove.
8956 (pass_remove_unnecessary_notes): Remove.
8957 * rtl.h (remove_unnecessary_notes): Remove prototype.
8958 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8959 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8960 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8962 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8965 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8966 (valid_in_set): Handle ARRAY_REF.
8967 Change "if min_variant or VH" to asserts.
8968 (create_component_ref_by_pieces): Handle ARRAY_REF.
8969 (create_expression_by_pieces): Likewise.
8970 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8972 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8974 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8975 is operand of switch, not str[0].
8977 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8979 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8980 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8982 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8984 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8985 end of insn_extra_address_constraint declaration.
8987 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8989 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8990 (no-sum-in-toc): Same.
8991 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8993 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8994 NO_FP_IN_TOC for -fPIC instead of mask.
8996 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8997 (BOOT_LDFLAGS): Delete.
8999 * config/rs6000/t-aix52: Same.
9001 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9002 (stmsi[345678]_power): New.
9004 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9006 * config/ia64/ia64.opt: Add empty line to end of file.
9008 2006-03-17 Richard Guenther <rguenther@suse.de>
9011 * builtins.c (get_pointer_alignment): For component style references
9012 adjust alignment to the component type alignment. Make sure
9013 to adjust alignment for component access of constants.
9015 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9017 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9020 2006-03-17 Paul Brook <paul@codesourcery.com>
9022 * doc/install.texi: Docuemnt --with-mode.
9023 * config.gcc: Add --with-mode for arm*-*-*.
9024 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9026 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9028 * sh.c (max_labelno_before_reorg): New variable.
9029 (sh_reorg): Initialize it.
9030 (find_barrier): Check max_labelno_before_reorg before using
9031 label_to_alignment. Take length of explicit alignment insns
9032 into account. When seeing a UNSPECV_CONST_END, return it.
9034 * sh.c (fixup_mova): Set mode of affected label to QImode.
9035 (untangle_mova): New function.
9036 (find_barrier): Use it. Check mode of label before decrementing
9038 (sh_reorg): Likewise.
9039 Set mode of all insns back to VOIDmode.
9041 * sh.c (MOVA_LABELREF): New macro.
9042 (mova_p, fixup_mova, sh_reorg): Use it.
9043 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9044 ADDR_DIFF_VEC matches mova.
9046 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9048 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9049 with ATTRIBUTE_UNUSED.
9051 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9053 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9054 pointer, instead of assuming it is possible to derive the
9055 correct args size from a call insn.
9057 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9059 * rtl.h (CONST_INT_P): Define.
9060 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9061 instead of GET_CODE(x) == CONST_INT.
9062 (vax_rtx_costs): Likewise.
9063 (vax_output_int_move): Likewise.
9064 (vax_output_int_add): Likewise.
9065 (legitimate_constant_address_p): Likewise.
9066 (index_term_p): Likewise.
9067 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9068 * config/vax/vax.md (and<mode>3): Likewise.
9069 (ashrsi3): Likewise.
9071 (movstricthi): Likewise.
9072 (movstrictqi): Likewise.
9073 (rotrsi3): Likewise.
9074 (five unnamed insns): Likewise.
9076 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9078 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9079 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9080 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9081 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9082 Pass to ASM_OUTPUT_DWARF_OFFSET.
9083 * dwarf2out.c (debug_frame_section): New.
9084 (output_call_frame_info): Use debug_frame_section. Pass it to
9085 dw2_asm_output_offset.
9086 (output_die): Pass appropriate section to dw2_asm_output_offset.
9087 (output_compilation_unit_header): Likewise.
9088 (output_pubnames): Likewise.
9089 (output_aranges): Likewise.
9090 (enum dw_val_class): Break dw_val_class_lbl_offset into
9091 dw_val_class_lineptr and dw_val_class_macptr.
9092 (add_AT_lbl_offset): Delete.
9093 (add_AT_lineptr): New.
9094 (add_AT_macptr): New.
9095 (AT_lbl): Expect a lineptr or macptr.
9096 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9097 (attr_checksum): Likewise.
9098 (same_dw_val_p): Likewise.
9099 (size_of_die): Likewise.
9100 (value_format): Likewise.
9101 (output_die): Likewise.
9102 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9104 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9105 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9106 * config/darwin-protos.h (darwin_file_start): New.
9107 (darwin_asm_output_dwarf_offset): New.
9108 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9109 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9111 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9112 if not EH section; simplify.
9113 (darwin_file_start): New.
9114 (darwin_asm_output_dwarf_offset): New.
9115 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9117 (DEBUG_INFO_SECTION): Likewise.
9118 (DEBUG_ABBREV_SECTION): Likewise.
9119 (DEBUG_ARANGES_SECTION): Likewise.
9120 (DEBUG_MACINFO_SECTION): Likewise.
9121 (DEBUG_LINE_SECTION): Likewise.
9122 (DEBUG_LOC_SECTION): Likewise.
9123 (DEBUG_PUBNAMES_SECTION): Likewise.
9124 (DEBUG_STR_SECTION): Likewise.
9125 (DEBUG_RANGES_SECTION): Likewise.
9126 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9127 (ASM_OUTPUT_DWARF_OFFSET): New.
9129 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9131 * config.gcc (tm_defines): Always add to previous value rather
9134 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9136 * config/mips/predicates.md (splittable_const_int_operand): New,
9137 split from move_operand.
9138 (splittable_symbolic_operand): New.
9139 (move_operand): Add commentary. Use splittable_const_int_operand.
9140 Inline mips_atomic_symbolic_constant_p.
9141 * config/mips/mips.md: Add combine splitters for handling moves
9142 of splittable_const_int_operands and splittable_symbolic_operands.
9143 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9144 (mips_split_symbol): Declare.
9145 (mips_move_integer): Declare.
9146 * config/mips/mips.c (mips_split_p): Make global.
9147 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9148 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9149 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9150 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9151 (mips_offset_within_object_p): Handle block symbols.
9152 (mips_atomic_symbolic_constant_p): Delete.
9153 (mips_cannot_force_const_mem): Return false for constants that
9154 mips_legitimize_move can handle.
9155 (mips_use_blocks_for_constant_p): New function.
9156 (mips_split_symbol): Make global.
9157 (mips_move_integer): Likewise. Add a temporary register argument.
9158 (mips_legitimize_const_move): Use splittable_const_int_operand and
9159 splittable_symbolic_operand.
9160 (mips_use_anchors_for_symbol_p): New function.
9161 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9162 (mips_split_p): Declare.
9164 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9166 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9167 (mips*-*-linux*): Likewise.
9169 2006-03-16 Roger Sayle <roger@eyesopen.com>
9170 Daniel Speyer <dspeyer@wam.umd.edu>
9173 * tree-dump.c (dump_real): New function.
9174 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9175 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9176 (tree-dump.o): Add $(REAL_H) to the dependencies.
9178 2006-03-16 Roger Sayle <roger@eyesopen.com>
9181 * real.c (real_from_string): If the mantissa is zero, don't bother
9182 parsing the exponent as the result should always be zero.
9184 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9186 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9188 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9190 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9191 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9192 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9193 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9194 ia64_sched_finish_global): New static functions to implement
9195 hooks from gcc_target.sched.
9196 (spec_check_no, max_uid, pending_data_specs): New static variables.
9197 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9198 ia64_spec_check_src_p): New static functions.
9199 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9200 (TARGET_SCHED_ADJUST_COST): Removed.
9201 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9202 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9203 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9204 TARGET_SCHED_GEN_CHECK,
9205 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9206 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9207 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9208 Fixed to handle speculation checks.
9209 (rtx_needs_barrier): Fixed to handle speculative loads and
9211 (ia64_variable_issue): Added code to count speculative loads and their
9213 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9215 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9217 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9219 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9220 (ia64_reorg): Reset stops_p to NULL after it is freed.
9221 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9222 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9223 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9225 (data_speculative, control_speculative, check_load): New attributes.
9226 (mov<mode>_advanced, mov<mode>_speculative,
9227 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9228 zero_extend<mode>di2_speculative,
9229 zero_extend<mode>di2_speculative_advanced): New patterns for
9230 data and control speculative loads.
9231 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9233 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9234 New pattern for data and control speculation checks.
9235 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9236 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9237 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9238 Auxiliary definitions for the patterns.
9239 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9240 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9242 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9244 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9245 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9246 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9247 New resource constraints.
9248 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9250 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9251 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9252 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9253 msched-in-control-spec, msched-ldc, msched-control-ldc,
9254 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9255 msched-prefer-non-control-spec-insns,
9256 msched-count-spec-in-critical-path): New flags to tune speculative
9258 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9259 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9260 msched-in-control-spec, msched-ldc, msched-control-ldc,
9261 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9262 msched-prefer-non-control-spec-insns,
9263 msched-count-spec-in-critical-path): Document new flags.
9265 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9267 * target.h (struct spec_info_def): New opaque declaration.
9268 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9269 speculate_insn, needs_block_p, gen_check,
9270 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9271 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9272 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9273 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9274 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9275 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9277 (TARGET_SCHED): Use new macros.
9278 * rtl.h (copy_DEPS_LIST_list): New prototype.
9279 * sched-int.h (struct sched_info): Change signature of new_ready field,
9280 adjust all initializations. New fields: add_remove_insn,
9281 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9282 region_head_or_leaf_p.
9283 (struct spec_info_def): New structure declaration.
9284 (spec_info_t): New typedef.
9285 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9286 recovery_block, orig_pat.
9287 (glat_start, glat_end): New variables declaraions.
9288 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9290 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9291 DETACH_LIFE_INFO, USE_GLAT.
9292 (enum SPEC_SCHED_FLAGS): New enumeration.
9293 (NOTE_NOTE_BB_P): New macro.
9294 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9295 attach_life_info, debug_spec_status, check_reg_live): New functions.
9296 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9297 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9299 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9300 * ddg.c (get_block_head_tail): Adjust all uses.
9301 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9302 (sms_sched_info): Initialize new fields.
9303 (contributes_to_priority): Removed.
9304 * haifa-sched.c (params.h): New include.
9305 (get_block_head_tail): Adjust all uses.
9306 (ISSUE_POINTS): New macro.
9307 (glat_start, glat_end): New global variables.
9308 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9309 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9310 old_last_basic_block, before_recovery, current_sched_info_var,
9311 rgn_n_insns, luid): New static variables.
9312 (insn_cost1): New function. Move logic from insn_cost to here.
9313 (find_insn_reg_weight1): New function. Move logic from
9314 find_insn_reg_weight to here.
9315 (reemit_notes, move_insn, max_issue): Change signature.
9316 (move_insn1): Removed.
9317 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9318 extend_bb): New static functions to support extension of scheduler's
9320 (generate_recovery_code, process_insn_depend_be_in_spec,
9321 begin_speculative_block, add_to_speculative_block,
9322 init_before_recovery, create_recovery_block, create_check_block_twin,
9323 fix_recovery_deps): New static functions to support
9324 generation of recovery code.
9325 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9326 restore_bb_notes, move_block_after_check, move_succs): New static
9327 functions to support ebb scheduling.
9328 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9329 functions to support handling of register live information.
9330 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9331 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9332 add_jump_dependencies): New static functions.
9333 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9334 consistancy checking.
9335 (debug_spec_status): New function to call from debugger.
9336 (priority): Added code to handle speculation checks.
9337 (rank_for_schedule): Added code to distinguish speculative instructions.
9338 (schedule_insn): Added code to handle speculation checks.
9339 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9340 Fixed to handle ebbs.
9341 (move_insn): Added code to handle ebb scheduling.
9342 (max_issue): Added code to use ISSUE_POINTS of instructions.
9343 (choose_ready): Added code to choose between speculative and
9344 non-speculative instructions.
9345 (schedule_block): Added code to handle ebb scheduling and scheduling of
9346 speculative instructions.
9347 (sched_init): Initialize new variables.
9348 (sched_finish): Free new variables. Print statistics.
9349 (try_ready): Added code to handle speculative instructions.
9350 * lists.c (copy_DEPS_LIST_list): New function.
9351 * sched-deps.c (extend_dependency_caches): New function. Move logic
9352 from create_dependency_caches to here.
9353 (get_dep_weak, ds_merge): Make global.
9354 * genattr.c (main): Code to output prototype for
9355 dfa_clear_single_insn_cache.
9356 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9357 (output_dfa_clean_insn_cache_func): Code to output
9358 dfa_clear_single_insn_cache function.
9359 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9361 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9363 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9364 New static variables.
9365 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9366 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9368 (ebb_sched_info): Initialize new fields.
9369 (get_block_head_tail): Adjust all uses.
9370 (compute_jump_reg_dependencies): Fixed to use glat_start.
9371 (schedule_ebb): Code to remove unreachable last block.
9372 (schedule_ebbs): Added code to update register live information.
9373 * sched-rgn.c (region_sched_info): Initialize new fields.
9374 (get_block_head_tail): Adjust all uses.
9375 (last_was_jump): Removed. Adjust users.
9376 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9377 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9378 Implement new hooks.
9379 (check_dead_notes1): New static function.
9380 (struct region): New fields: dont_calc_deps, has_real_ebb.
9381 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9382 (BB_TO_BLOCK): Fixed to handle EBBs.
9383 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9384 (ebb_head): New static variable.
9385 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9386 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9388 (compute_dom_prob_ps): New assertion.
9389 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9390 global_live_at_start.
9391 (init_ready_list): New assertions.
9392 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9393 (new_ready): Add support for BEGIN_CONTROL speculation.
9394 (schedule_insns): Fixed code that updates register live information
9396 (schedule_region): Fixed to handle EBBs.
9397 (init_regions): Use extend_regions and check_dead_notes1.
9398 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9399 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9400 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9401 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9402 TARGET_SCHED_GEN_CHECK,
9403 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9404 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9405 * doc/invoke.texi (max-sched-insn-conflict-delay,
9406 sched-spec-prob-cutoff): Document.
9408 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9410 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9411 inter_tick, queue_index.
9412 (struct sched_info): Change signature of init_ready_list field.
9413 Adjust all initializations.
9414 (RESOLVED_DEPS): New access macro.
9415 (ready_add): Remove prototype.
9416 (try_ready): Add prototype.
9417 * sched-rgn.c (init_ready_list): Use try_ready.
9418 (schedule_region): Initialize
9419 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9420 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9421 (init_ready_list): Use try_ready.
9422 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9423 * lists.c (remove_list_elem): Remove `static'.
9424 (remove_free_INSN_LIST_elem): New function.
9425 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9426 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9427 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9429 (readyp): New variable.
9430 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9431 change_queue_index, resolve_dep): New static functions.
9432 (try_ready): New function. Adjust callers in sched-rgn.c and
9433 sched-ebb.c to use it instead of ready_add.
9434 (clock_var): Move at the begining of file.
9435 (rank_for_schedule): Fix typo.
9436 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9437 (ready_lastpos): Enforce assertion.
9438 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9440 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9441 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9442 (queue_to_ready): Use free_INSN_LIST_list.
9443 (early_queue_to_ready): Fix typo.
9444 (schedule_block): Init readyp. Move init_ready_list call after the
9445 initialization of clock_var. Fix error in rejecting insn by
9446 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9447 that previously corrected INSN_TICKs. Add code for handling
9449 (set_priorities): Fix typo.
9450 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9451 Clarify comment and code that keeps current_sched_info->next_tail
9454 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9456 * sched-rgn.c (extend_rgns): New static function.
9457 (find_rgns): Use it.
9458 (gather_region_statistics, print_region_statistics): New static
9460 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9461 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9463 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9464 Andrey Belevantsev <abel@ispras.ru>
9466 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9467 * lists.c (unused_deps_list): New variable.
9468 (free_list): Add assertions to verify the proper distinguishing
9469 between INSN_LISTs and DEPS_LISTs.
9470 (find_list_elem, remove_list_elem, remove_list_node): New static
9472 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9473 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9474 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9475 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9477 (free_INSN_LIST_node): Likewise.
9478 * modulo-sched.c (current_sched_info): Initialize flags field.
9479 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9480 * rtl.def (DEPS_LIST): Define.
9481 * rtl.h: Declare new functions from lists.c.
9482 * sched-deps.c (spec_dependency_cache): New static variable.
9483 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9484 (add_dependence): Change return type to void. Move the logic to ...
9485 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9486 (delete_all_dependences): Add comment about forward_dependency_cache.
9487 Handle spec_dependency_cache. Handle DEPS_LISTs.
9488 (fixup_sched_groups): Clarify the change of priority of output
9489 and anti dependencies.
9490 (sched_analyze_2): Adjust add_dependence calls to create data
9491 speculative dependence.
9492 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9493 Adjust all callers. Handle DEPS_LISTS.
9494 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9495 presence of speculation.
9496 (init_dependency_caches, free_dependency_caches):
9497 Handle spec_dependency_cache.
9498 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9499 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9500 New static functions.
9501 (add_or_update_back_dep, add_or_update_back_forw_dep,
9502 add_back_forw_dep, delete_back_forw_dep): New functions.
9503 * sched-int.h (ds_t, dw_t): New typedefs.
9504 (struct sched_info): Add new field flags.
9505 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9506 Prototype new sched-deps.c functions.
9507 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9508 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9509 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9510 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9511 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9512 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9514 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9516 * sched-rgn.c (current_sched_info): Initialize flags field.
9517 (schedule_insns): Initialize current_sched_info before the sched_init
9519 * sched-ebb.c (current_sched_info): Initialize flags field.
9520 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9521 Call add_or_update_back_dep instead of add_dependence.
9522 Create control speculative dependencies.
9523 (schedule_insns): Initialize current_sched_info before the sched_init
9526 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9528 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9530 (sh_fallback_frame_state): Likewise.
9532 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9534 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9535 Do switch on default_use_cxa_atexit.
9536 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9537 * config/darwin-crt3.o: New.
9538 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9539 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9540 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9542 * config/rs6000/t-darwin: Move crt2.o building to here.
9543 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9544 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9547 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9549 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9550 from '! xxx' to '!xxx' for coding-style conformance.
9551 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9552 (EXTRA_CONSTRAINT): Likewise.
9553 * config/vax/vax.md (four unnamed insns): Likewise.
9555 2006-03-15 Paul Brook <paul@codesourcery.com>
9557 * config/arm/arm.c (minipool_pad): New.
9558 (add_minipool_forward_ref): Include pool alignment padding in address
9560 (push_minipool_fix): Set minipool_pad.
9561 (minipool_pad): Ditto.
9563 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9565 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9566 instead of GET_CODE() == MEM and REG_P() instead of
9568 (print_operand_address): Likewise.
9569 (vax_address_cost): Likewise.
9570 (vax_rtx_costs): Likewise.
9571 (vax_notice_update_cc): Likewise.
9572 (vax_output_int_add): Likewise.
9573 (INDEX_REGISTER_P): Likewise.
9574 (BASE_REGISTER_P): Likewise.
9575 (nonindexed_address_p): Likewise.
9576 (vax_mode_dependent_address_p): Likewise.
9577 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9578 (PRINT_OPERAND): Likewise.
9579 * config/vax/vax.md (ashlsi3): Likewise.
9580 (ashlsi3): Likewise.
9581 (some more unnamed insns): Likewise.
9583 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9585 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9586 iterator-style macro.
9587 (mark_control_dependent_edges_necessary): Update the use of
9588 EXECUTE_IF_CONTROL_DEPENDENT.
9590 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9592 * config/sh/predicates.md (cache_address_operand): Special.
9593 (ua_address_operand): Likewise.
9595 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9597 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9599 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9601 2006-03-15 Andreas Schwab <schwab@suse.de>
9603 * gensupport.c (identify_predicable_attribute): Don't free p_false
9604 when it is still in use.
9606 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9608 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9609 the default setting here.
9611 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9613 * tree-pass.h (pass_cfg): Remove.
9614 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9615 * passes.c (pass_cfg): Don't run it.
9617 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9619 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9620 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9622 (stack_regs_mentioned): Update the uses of
9623 stack_regs_mentioned_data. Don't access the array beyond its
9625 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9626 Don't include gt-reg-stack.h.
9628 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9629 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9631 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9634 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9637 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9639 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9641 2006-03-14 Richard Guenther <rguenther@suse.de>
9643 PR tree-optimization/26672
9644 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9647 2006-03-14 Richard Guenther <rguenther@suse.de>
9649 PR tree-optimization/26667
9650 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9651 node for the callees. Always allow inlining if it will shrink
9654 2006-03-14 Richard Guenther <rguenther@suse.de>
9657 * builtins.c (get_pointer_alignment): Prefer alignment
9658 information from decls over that from types.
9660 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9663 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9665 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9667 * config/rs6000/rs6000.opt (mdlmzb): New option.
9668 (msched-prolog, msched-epilog): Use Var not Mask.
9669 * doc/invoke.texi (-mdlmzb): Document.
9670 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9672 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9673 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9675 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9677 PR rtl-optimization/25739
9678 * bt-load.c (augment_live_range): Free tos pointer.
9680 * gensupport.c (identify_predicable_attribute): Free
9682 * gcov.c (create_file_names): Free name pointer.
9684 2006-03-13 Roger Sayle <roger@eyesopen.com>
9687 * stmt.c (emit_case_nodes): Handle the case where the index is a
9688 CONST_INT, where the comparison mode is specified by the index type.
9690 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9692 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9695 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9697 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9698 (*branch_fp_inverted): Likewise.
9700 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9703 * omp-low.c (expand_omp_for_generic): Mark istart0
9704 and iend0 as addressable.
9706 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9708 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9710 2006-03-13 Jeff Law <law@redhat.com>
9712 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9713 virtual operands are interesting.
9714 (vrp_visit_stmt): Corresponding changes.
9716 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9718 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9720 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9721 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9722 * config/bfin/crti.S: Use it instead of __PIC__.
9723 * config/bfin/crtn.S: Likewise.
9725 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9726 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9728 Lose 'G' modifier for call operand.
9729 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9730 recognize 'G' modifier.
9732 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9735 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9736 * stmt.c (expand_case): Likewise.
9738 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9740 PR rtl-optimization/26254
9741 * loop-invariant.c (seq_insns_valid_p): New function.
9742 (move_invariant_reg): Only emit new code if it is valid.
9744 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9746 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9748 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9749 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9750 (commit_one_edge_insertion): Do not look for loop notes.
9752 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9754 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9755 flag_test_coverage out of loop.
9757 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9759 * final.c (shorten_branches): Remove outdated comment, and turn
9760 the if branch that guards it to continue.
9762 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9764 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9765 * cfgloop.h (struct loop): Remove unused fields.
9767 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9769 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9770 (-dL, -fdump-rtl-loop2): Update the dump file names
9772 * doc/invoke.texi: Update dump file names.
9774 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9776 * predict.c (estimate_probability): Remove.
9777 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9778 * basic-block.h (estimate_probability): Remove prototype.
9779 * passes.c (finish_optimization_passes): Dump branch prediction or
9780 profiling heuristics to the .profile tree dump.
9781 (init_optimization_passes): Unqueue pass_branch_prob.
9783 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9785 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9787 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9788 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9790 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9792 * function.h (frame_offset_overflow): Declare.
9793 * function.c (frame_offset_overflow): New function.
9794 (assign_stack_local_1): Call it to detect that the offset overflows.
9795 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9797 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9799 * config/sh/sh.c: Include alloc-pool.h.
9800 (label_ref_list_pool): New alloc pool.
9801 (label_ref_list_t): New type for lists of labels.
9802 (struct pool_node): Make wend a label_ref_list_t.
9803 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9805 (dump_table): Likewise.
9806 (sh_reorg): Set up the alloc pool before using add_constant and
9807 dump_table, and destroy it when finishing.
9809 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9811 * config/mips/mips.c: Remove redundant comment.
9813 2006-03-10 Jason Merrill <jason@redhat.com>
9816 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9817 the target was declared 'register'.
9819 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9821 * genpreds.c (write_insn_constraint_len): Change definition of
9822 insn_constraint_len to return size_t to match the declaration.
9824 2006-03-10 DJ Delorie <dj@redhat.com>
9826 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9828 (m32c_expand_insv): Fix test for an AND mask.
9830 2006-03-10 Richard Guenther <rguenther@suse.de>
9833 * builtins.c (get_pointer_alignment): Handle component
9834 references for field alignment.
9836 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9838 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9839 when building with libgloss.
9840 (sh*elf): Implement --without-fp option.
9841 (sh64-superh-linux*): Don't multilib.
9843 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9845 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9847 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9849 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9850 Set it when one of the replacement functions returned true.
9851 Return TODO_cleanup_cfg if cfgchanged is true.
9852 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9854 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9856 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9857 instead of gen_lowpart.
9859 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9861 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9863 (mips_output_order_conditional_branch): Declare.
9864 * config/mips/mips.h (MIPS_BRANCH): New macro.
9865 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9866 for the comparison. Use gen_condjump.
9867 (mips_output_conditional_branch): Rework interface to take the
9868 asm templates for a direct branch and the inverse of a direct branch.
9869 (mips_output_order_conditional_branch): New function.
9870 (mips_builtin_branch_and_move): New function.
9871 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9872 branch condition. Use gen_single_cc as the condition for
9873 __builtin_mips_upper_* or __builtin_mips_lower_*.
9874 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9875 Use VOIDmode for the branch condition.
9876 * config/mips/predicates.md (order_operator): New predicate.
9877 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9878 (branch_fp): Rename to...
9879 (*branch_fp): ...this. Remove mode from comparison operator.
9880 Use new mips_output_conditional_branch interface.
9881 (branch_fp_inverted): Rename to...
9882 (*branch_fp_inverted): ...this and update as for *branch_fp.
9883 (*branch_zero<mode>): Rename to...
9884 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9885 Use mips_output_order_conditional_branch. Only accept ordered
9887 (*branch_zero<mode>_inverted): Rename to...
9888 (*branch_order<mode>_inverted): ...this and update as for
9889 *branch_order<mode>.
9890 (*branch_equality<mode>): Accept zero as the second operand to
9891 the equality operator. Use the new mips_output_conditional_branch
9893 (*branch_equality<mode>_inverted): Likewise.
9894 (condjump): New expander.
9895 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9897 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9898 (bc1any2t, bc1any2f): Likewise.
9899 (single_cc): New expander.
9900 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9902 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9904 * doc/md.texi: Update documentation of MIPS constraints.
9905 * config/mips/constraints.md: New file.
9906 * config/mips/mips.md: Include it.
9907 * config/mips/mips.c (mips_char_to_class): Delete.
9908 (override_options): Don't initialize mips_char_to_class.
9909 * config/mips/mips.h (mips_char_to_class): Delete.
9910 (REG_CLASS_FROM_LETTER): Delete.
9911 (CONST_OK_FOR_LETTER_P): Delete.
9912 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9913 (EXTRA_CONSTRAINT_Y): Delete.
9914 (EXTRA_CONSTRAINT_STR): Delete.
9915 (CONSTRAINT_LEN): Delete.
9916 (EXTRA_MEMORY_CONSTRAINT): Delete.
9918 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9920 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9921 original fn's eh regions.
9923 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9925 * fold-const.c (build_range_check): Make sure to use a valid type to
9926 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9929 (range_predecessor): New static function.
9930 (range_successor): Likewise.
9931 (merge_ranges): Use them to compute predecessors and successors of
9934 2006-03-09 Roger Sayle <roger@eyesopen.com>
9937 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9938 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9940 2006-03-08 DJ Delorie <dj@redhat.com>
9942 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9943 (addpsi3): Expand to include memory operands. Remove
9944 reload-specific splits.
9945 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9946 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9947 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9948 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9949 (shift1_qi, shift1_hi, insv): New.
9950 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9951 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9952 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9954 * config/m32c/m32c-protos.h: Update as needed.
9955 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9956 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9957 Fail for unrecognized R* constraints.
9958 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9959 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9960 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9962 (m32c_init_libfuncs): New.
9963 (m32c_legitimate_address_p): Add debug wrapper.
9964 (m32c_rtx_costs): New.
9965 (m32c_address_cost): New.
9966 (conversions): Add 'B' prefix.
9967 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9968 operands, or word regnames for QI operands. 'B' prints bit
9970 (m32c_expand_setmemhi): New.
9971 (m32c_expand_movmemhi): New.
9972 (m32c_expand_movstr): New.
9973 (m32c_expand_cmpstr): New.
9974 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9975 (m32c_expand_neg_mulpsi3): Handle non-ints.
9976 (m32c_cmp_flg_0): New.
9977 (m32c_expand_movcc): New.
9978 (m32c_expand_insv): New.
9979 (m32c_scc_pattern): New.
9980 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9981 a0/a1 out of SIregs.
9982 (STORE_FLAG_VALUE): New.
9983 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9986 * config/m32c/mov.md: Make constraints more liberal.
9987 (zero_extendqihi2): Optimize r0/r1 case.
9988 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9989 * config/m32c/predicates.md (m32c_any_operand): New.
9990 (m32c_nonimmediate_operand): New.
9991 (m32c_hl_operand): New.
9992 (m32c_r3_operand): New.
9995 (memsym_operand): New.
9996 (memimmed_operand): New.
9997 (a_qi_operand): New.
9998 (m32c_eqne_operator): New.
9999 (m32c_1bit8_operand): New.
10000 (m32c_1bit16_operand): New.
10001 (m32c_1mask8_operand): New.
10002 (m32c_1mask16_operand): New.
10003 * config/m32c/blkmov.md: New file.
10004 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10006 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10008 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10009 unsigned to fix signed/unsigned comparison issue in
10010 DWARF2_FRAME_REG_OUT.
10011 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10012 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10014 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10015 of ptr into the ENABLE_CHECKING section.
10017 2006-03-08 Jeff Law <law@redhat.com>
10019 * tree-vrp.c (infer_value_range): Only count pointer uses
10020 and dereferences if -fdelete-null-pointer-checks is enabled.
10022 * tree-vrp.c (find_assert_locations): Infer value ranges for
10023 single use pointers, but do not create ASSERT_EXPRs for them.
10024 When a non-null range is inferred for a pointer, backwards
10025 propagate that range to other equivalent pointers through the
10028 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10031 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10032 language hook targets.
10033 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10034 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10035 if language hook targets were missing.
10037 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10039 * tree-ssa-opfinalize.h: Removed.
10040 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10042 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10043 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10044 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10045 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10046 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10047 finalize_ssa_v_must_def_ops): New.
10049 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10051 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10052 block as parameter.
10054 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10056 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10058 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10059 addresses with offsets; reorganize.
10061 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10062 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10063 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10065 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10068 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10070 2006-03-08 Ben Elliston <bje@au.ibm.com>
10072 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10074 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10077 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10080 2006-03-07 Richard Guenther <rguenther@suse.de>
10082 PR tree-optimization/26587
10083 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10085 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10087 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10089 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10091 * hooks.c (hook_bool_mode_rtx_true): New function.
10092 * hooks.h (hook_bool_mode_rtx_true): Declare.
10093 * toplev.c (compile_file): Call output_shared_constant_pool.
10094 * varasm.c (shared_constant_pool): New variable.
10095 (assemble_start_function, assemble_end_function): Remove arguments
10096 from call to output_constant_pool.
10097 (create_constant_pool): New function, split out from...
10098 (init_varasm_status): ...here.
10099 (force_const_mem): Choose between the shared and per-function constant
10100 pools. Set current_function_uses_const_pool when reusing old entries
10101 as well as when creating new ones.
10102 (mark_constant): Ignore data argument.
10103 (mark_constants): Remove pool argument.
10104 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10105 to decide whether the function uses a constant pool.
10106 (output_constant_pool_contents): New function, split out from...
10107 (output_constant_pool): ...here.
10108 (output_shared_constant_pool): New function.
10109 (init_varasm_once): Initialize shared_constant_pool.
10110 * output.h (output_constant_pool): Delete.
10111 (output_shared_constant_pool): Declare.
10112 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10113 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10115 2006-03-06 Nick Clifton <nickc@redhat.com>
10117 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10118 flag_strength_reduce.
10120 2006-03-06 Ben Elliston <bje@au.ibm.com>
10122 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10123 x86_64-*-linux* configurations.
10125 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10126 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10128 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10130 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10132 * basic-block.h: Remove the extern for
10133 rediscover_loops_after_threading.
10135 * cfgloop.c (cancel_loop): Make it static.
10136 * cfgloop.h: Remove the prototype for cancel_loop.
10138 * flow.c (recompute_reg_usage): Make it static.
10139 * rtl.h: Remove the prototype for recompute_reg_usage.
10141 * function.c (use_return_register): Make it static.
10142 * function.h: Remove the prototype.
10144 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10146 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10148 * recog.h: Remove the prototype for
10149 validate_change_maybe_volatile.
10151 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10153 * rtlanal.c (replace_reg): Remove.
10154 * rtl.h: Remove the prototype for replace_reg.
10156 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10158 * regclass.c (reg_scan_update): Remove.
10159 (reg_scan_mark_refs): Remove the last argument.
10160 * rtl.h: Remove the prototype for reg_scan_update.
10162 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10164 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10165 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10166 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10167 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10168 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10169 loop-invariant.c, omp-low.c, opts.c, passes.c,
10170 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10171 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10172 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10173 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10174 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10175 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10177 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10179 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10180 * dwarf2out.h: Remove the prototype for
10181 dwarf2out_add_library_unit_info.
10183 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10185 * tree.c (add_var_to_bind_expr): Remove.
10186 * tree.h: Remove the prototype for add_var_to_bind_expr.
10188 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10190 * regclass.c (n_non_fixed_regs): Remove.
10191 (init_reg_sets_1, globalize_reg): Remove all uses of
10193 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10195 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10197 * rtlanal.c (insns_safe_to_move_p): Remove.
10198 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10200 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10202 * expmed.c (expand_mult_add): Remove.
10203 * expr.h: Remove the prototype for expand_mult_add.
10205 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10207 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10208 and REG_SAVED_VAL_EXP constants.
10209 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10210 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10211 Handle regs stored by value.
10212 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10213 (execute_cfa_program): Handle DW_CFA_val_offset,
10214 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10215 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10216 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10217 (uw_install_context_1): Handle target regs stored by value.
10219 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10221 * tree-sra.c (tree_sra): Return todoflags;
10222 (generate_one_element): Set TODO_update_smt_usage if needed.
10223 (pass_sra): Remove TODO_update_smt_usage.
10224 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10226 (tree_ssa_forward_propagate_single_use_vars): Return
10227 TODO_update_smt_usage if we need to update SMT usage.
10228 (pass_forwprop): Remove TODO_update_smt_usage.
10230 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10232 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10233 (correct_use_link): Remove reference to get_stmt_operands.
10234 (update_stmt_operands): Likewise.
10235 (get_modify_expr_operands): New function factored out of
10236 parse_ssa_operands and get_expr_operands.
10237 Try to create V_MUST_DEFs for LHS by default.
10238 (get_expr_operands) <case MODIFY_EXPR>: Call
10239 get_modify_expr_operands.
10240 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10241 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10242 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10243 get_modify_expr_operands.
10245 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10247 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10248 * tree-flow.h: Remove the prototype for
10249 referenced_var_lookup_if_exists.
10251 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10253 PR rtl-optimization/26345
10255 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10257 2006-03-03 Roger Sayle <roger@eyesopen.com>
10259 PR tree-optimization/26524
10260 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10261 fold_convert to create a constant of the appropriate type.
10263 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10265 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10266 SYMBOL_REF_IN_BLOCK_P.
10267 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10268 of SYMBOL_FLAG_IN_BLOCK.
10269 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10270 instead of SYMBOL_REF_IN_BLOCK_P.
10271 * explow.c (use_anchored_address): Likewise.
10272 * rtl.c (rtx_size): Likewise.
10273 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10274 instead of SYMBOL_FLAG_IN_BLOCK.
10275 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10276 SYMBOL_REF_IN_BLOCK_P.
10277 (assemble_variable): Likewise.
10278 (output_constant_def_contents): Likewise.
10279 (output_constant_pool): Likewise.
10280 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10281 instead of SYMBOL_FLAG_IN_BLOCK.
10282 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10283 SYMBOL_REF_IN_BLOCK_P.
10284 (SYMBOL_REF_BLOCK): Likewise.
10285 (SYMBOL_REF_OFFSET): Likewise.
10286 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10287 SYMBOL_REF_IN_BLOCK_P.
10288 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10289 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10290 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10291 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10293 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10295 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10297 2006-03-02 Roger Sayle <roger@eyesopen.com>
10299 * simplify-rtx.c (simplify_unary_operation): When simplifying
10300 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10301 that we perform the right shift in the appropriate mode, and
10302 then extend or truncate the result to requested mode.
10304 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10306 * gengtype.c (main): Handle double_int type.
10307 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10308 * double-int.c: New file.
10309 * double-int.h: New file.
10310 * system.h: Include doubleint.h.
10311 * Makefile.in (SYSTEM_H): Include double-int.h.
10312 (double-int.o): Add.
10314 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10317 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10320 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10322 * tree-vrp.c (remove_range_assertions): Do not update statements
10325 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10327 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10329 * gcse.c (rest_of_handle_gcse): Ditto.
10330 * except.c (gate_handle_eh): Ditto.
10331 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10332 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10334 2006-03-02 Eric Christopher <echristo@apple.com>
10336 * config/i386/i386.c (machopic_output_stub): Add indirection to
10339 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10343 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10345 Sun Niagara specific optimizations.
10346 * config.gcc: Recognize niagara as target.
10347 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10348 (TARGET_CPU_niagara): Define.
10349 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10350 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10351 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10352 (ASM_CPU_SPEC): Likewise.
10353 (PROCESSOR_NIAGARA): New enum entry.
10354 (REGISTER_MOVE_COST): Handle Niagara.
10355 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10356 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10357 (sparc_override_options): Recognize "niagara", set appropriate
10358 default MASK_* values for it, and align functions to 32-bytes
10359 by default just like ULTRASPARC/ULTRASPARC3.
10360 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10361 (sparc64_initialize_trampoline): Likewise.
10362 (sparc_use_sched_lookahead): Use zero for niagara.
10363 (sparc_issue_rate): Use one for niagara.
10364 * config/sparc/niagara.md: New file.
10365 * config/sparc/sparc.md: Include it.
10366 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10367 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10368 when default cpu is niagara.
10369 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10370 (ASM_CPU_SPEC): Likewise.
10371 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10372 when default cpu is niagara.
10373 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10374 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10375 just like v9/ultrasparc/ultrasparc3.
10376 * doc/invoke.texi: Add documentation for "niagara" and improve
10377 existing documentation for ultrasparc variants.
10379 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10381 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10383 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10385 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10386 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10387 and say that only one is needed.
10388 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10389 * target.h (have_switchable_bss_sections): New hook.
10390 * explow.c (use_anchored_address): Check that the symbol is in a block.
10391 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10392 (bss_noswitch_section): New variables.
10393 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10394 (get_noswitch_section): New function.
10395 (get_block_for_section): Allow SECT to be null.
10396 (unlikely_text_section_p): Use SECTION_STYLE.
10397 (bss_initializer_p): New function.
10398 (get_variable_section): Move earlier in file. Take a new argument,
10399 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10400 Return one of the new *_sections in such cases.
10401 (get_block_for_decl): New function, extracting some logic from
10402 use_blocks_for_decl_p.
10403 (change_symbol_section): Remove in favor of...
10404 (change_symbol_block): ...this new function.
10405 (use_blocks_for_decl_p): Remove checks now performed by
10406 get_block_for_decl.
10407 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10408 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10409 (emit_local, emit_bss, emit_common): ...these new functions.
10410 Return true if the alignment was honored.
10411 (emit_tls_common): New function.
10412 (asm_emit_uninitialised): Delete.
10413 (assemble_variable_noswitch): New function, split out from...
10414 (assemble_variable): ...here. Don't make decisions about common
10415 variables here. Globalize all public decls that go into non-common
10416 sections. Check whether SYMBOL_REF_BLOCK is null.
10417 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10418 (output_constant_pool): Likewise.
10419 (init_varasm_once): Initialize the new section variables.
10420 (have_global_bss_p): New function.
10421 (categorize_decl_for_section): Use bss_initializer_p.
10422 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10423 (place_block_symbol): Assert that the symbol must be in a block.
10424 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10425 (TARGET_INITIALIZER): Include it.
10426 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10427 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10428 (SECTION_MACH_DEP): Bump by two.
10429 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10430 (unnamed_section): Mention SECTION_UNNAMED in comment.
10431 (named_section): Likewise SECTION_NAMED.
10432 (noswitch_section_callback): New type.
10433 (noswitch_section): New structure.
10434 (section): Add a noswitch_section alternative.
10435 (SECTION_STYLE): New macro.
10436 (tls_comm_section, comm_section, lcomm_section): Declare.
10437 (bss_noswitch_section, have_global_bss_p): Declare.
10438 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10439 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10441 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10442 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10445 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10447 * tree-vrp.c (execute_vrp): Return value.
10448 * regrename.c (rest_of_handle_regrename): Ditto.
10449 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10450 * tree-complex.c (tree_lower_complex): Ditto.
10451 (tree_lower_complex_O0): Ditto.
10452 * tracer.c (rest_of_handle_tracer): Ditto.
10453 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10454 * postreload.c (rest_of_handle_postreload): Ditto.
10455 * tree-tailcall.c (execute_tail_recursion): Ditto.
10456 (execute_tail_calls): Ditto.
10457 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10458 * tree.h (init_function_for_compilation): Ditto.
10459 * ipa-cp.c (ipcp_driver): Ditto.
10460 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10461 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10462 * final.c (compute_alignments): Ditto.
10463 (rest_of_handle_final): Ditto.
10464 (rest_of_handle_shorten_branches): Ditto.
10465 (rest_of_clean_state): Ditto.
10466 * omp-low.c (execute_expand_omp): Ditto.
10467 (execute_lower_omp): Ditto.
10468 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10469 * ipa-reference.c (static_execute): Ditto.
10470 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10471 * reorg.c (rest_of_handle_delay_slots): Ditto.
10472 (rest_of_handle_machine_reorg): Ditto.
10473 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10474 * flow.c (recompute_reg_usage): Ditto.
10475 (rest_of_handle_remove_death_notes): Ditto.
10476 (rest_of_handle_life): Ditto.
10477 (rest_of_handle_flow2): Ditto.
10478 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10479 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10480 (do_ssa_store_ccp): Ditto.
10481 (execute_fold_all_builtins): Ditto.
10482 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10483 * modulo-sched.c (rest_of_handle_sms): Ditto.
10484 * ipa-pure-const.c (static_execute): Ditto.
10485 * cse.c (rest_of_handle_cse): Ditto.
10486 (rest_of_handle_cse2): Ditto.
10487 * web.c (rest_of_handle_web): Ditto.
10488 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10489 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10490 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10491 * tree-nrv.c (tree_nrv): Ditto.
10492 (execute_return_slot_opt): Ditto.
10493 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10494 (create_structure_vars): Ditto.
10495 * loop-init.c (rtl_loop_init): Ditto.
10496 (rtl_loop_done): Ditto.
10497 (rtl_move_loop_invariants): Ditto.
10498 (rtl_unswitch): Ditto.
10499 (rtl_unroll_and_peel_loops): Ditto.
10500 (rtl_doloop): Ditto.
10501 * gimple-low.c (lower_function_body): Ditto.
10502 (mark_used_blocks): Ditto.
10503 * tree-ssa-sink.c (execute_sink_code): Ditto.
10504 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10505 (cgraph_early_inlining): Ditto.
10506 * global.c (rest_of_handle_global_alloc): Ditto.
10507 * jump.c (cleanup_barriers): Ditto.
10508 (purge_line_number_notes): Ditto.
10509 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10510 (rest_of_handle_if_after_reload): Ditto.
10511 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10512 (tree_ssa_loop_im): Ditto.
10513 (tree_ssa_loop_unswitch): Ditto.
10514 (tree_vectorize): Ditto.
10515 (tree_linear_transform): Ditto.
10516 (tree_ssa_loop_ivcanon): Ditto.
10517 (tree_ssa_empty_loop): Ditto.
10518 (tree_ssa_loop_bounds): Ditto.
10519 (tree_complete_unroll): Ditto.
10520 (tree_ssa_loop_prefetch): Ditto.
10521 (tree_ssa_loop_ivopts): Ditto.
10522 (tree_ssa_loop_done): Ditto.
10523 * predict.c (tree_estimate_probability): Ditto.
10524 * recog.c (split_all_insns_noflow): Ditto.
10525 (rest_of_handle_peephole2): Ditto.
10526 (rest_of_handle_split_all_insns): Ditto.
10527 * tree-eh.c (lower_eh_constructs): Ditto.
10528 * regmove.c (rest_of_handle_regmove): Ditto.
10529 (rest_of_handle_stack_adjustments): Ditto.
10530 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10531 * function.c (instantiate_virtual_regs): Ditto.
10532 (init_function_for_compilation): Ditto.
10533 (rest_of_handle_check_leaf_regs): Ditto.
10534 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10535 (rest_of_handle_gcse): Ditto.
10536 * ipa-type-escape.c (type_escape_execute): Ditto.
10537 * alias.c (rest_of_handle_cfg): Ditto.
10538 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10539 * profile.c (rest_of_handle_branch_prob): Ditto.
10540 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10541 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10542 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10543 * tree-dfa.c (find_referenced_vars): Ditto.
10544 * except.c (set_nothrow_function_flags): Ditto.
10545 (convert_to_eh_region_ranges): Ditto.
10546 (rest_of_handle_eh): Ditto.
10547 * emit-rtl.c (unshare_all_rtl): Ditto.
10548 (remove_unnecessary_notes): Ditto.
10549 * except.h (set_nothrow_function_flags): Ditto.
10550 (convert_to_eh_region_ranges): Ditto.
10551 * cfgexpand.c (tree_expand_cfg): Ditto.
10552 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10553 * tree-ssa-pre.c (do_pre): Ditto.
10554 (execute_fre): Ditto.
10555 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10556 (rest_of_handle_jump2): Ditto.
10557 * tree-sra.c (tree_sra): Ditto.
10558 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10559 (execute_mudflap_function_decls): Ditto.
10560 * tree-ssa-copy.c (do_copy_prop): Ditto.
10561 (do_store_copy_prop): Ditto.
10562 * ipa-prop.h (ipcp_driver): Ditto.
10563 * cfglayout.c (insn_locators_initialize): Ditto.
10564 * tree-ssa-forwprop.c
10565 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10566 * cfglayout.h (insn_locators_initialize): Ditto.
10567 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10568 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10569 (execute_late_warn_uninitialized): Ditto.
10570 * rtl.h (cleanup_barriers): Ditto.
10571 (split_all_insns_noflow): Ditto.
10572 (purge_line_number_notes): Ditto.
10573 (unshare_all_rtl): Ditto.
10574 (remove_unnecessary_notes): Ditto.
10575 (recompute_reg_usage): Ditto.
10576 (variable_tracking_main): Ditto.
10577 * integrate.c (emit_initial_value_sets): Ditto.
10578 * integrate.h (emit_initial_value_sets): Ditto.
10579 * tree-optimize.c (execute_free_datastructures): Ditto
10580 (execute_free_cfg_annotations): Ditto.
10581 (execute_fixup_cfg): Ditto.
10582 (execute_cleanup_cfg_pre_ipa): Ditto.
10583 (execute_cleanup_cfg_post_optimizing): Ditto.
10584 (execute_init_datastructures): Ditto.
10585 * tree-object-size.c (compute_object_sizes): Ditto.
10586 * combine.c (rest_of_handle_combine): Ditto.
10587 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10588 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10589 (rest_of_handle_reorder_blocks): Ditto.
10590 (rest_of_handle_partition_blocks): Ditto.
10591 * var-tracking.c (variable_tracking_main): Ditto.
10592 * tree-profile.c (tree_profiling): Ditto.
10593 * tree-vect-generic.c (expand_vector_operations): Ditto.
10594 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10595 * sched-rgn.c (rest_of_handle_sched): Ditto.
10596 (rest_of_handle_sched2): Ditto.
10597 * basic-block.h (free_bb_insn): Ditto.
10598 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10599 * tree-cfg.c (execute_build_cfg): Ditto.
10600 (remove_useless_stmts): Ditto.
10601 (split_critical_edges): Ditto.
10602 (execute_warn_function_return): Ditto.
10603 (execute_warn_function_noreturn): Ditto.
10604 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10605 * cfgrtl.c (free_bb_for_insn): Ditto.
10606 * passes.c (execute_one_pass): Run additional
10607 todos returned by execute function.
10608 * tree-pass.h (struct tree_opt_pass): Make execute
10611 2006-03-02 Richard Guenther <rguenther@suse.de>
10613 * tree-ssa-alias.c (find_used_portions): Consider taking
10614 the address as making the variable not write-only.
10616 2006-03-02 Nick Clifton <nickc@redhat.com>
10618 * config.gcc (default_use_cxa_atexit): Extend the description of
10619 this configure variable. Set its default value to "yes" for
10620 Linux, NetBSD and ELF targets on the assumption that they will
10621 use C libraries with the __cxa_atexit function.
10623 2006-03-02 Ben Elliston <bje@au.ibm.com>
10625 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10626 parameter as unused to suppress a build warning.
10628 2006-03-02 Ben Elliston <bje@au.ibm.com>
10630 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10633 2006-03-01 Roger Sayle <roger@eyesopen.com>
10636 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10637 declared name, the weak reference name, and the typeof name.
10638 (__gthrw): Avoid expanding the declared name suffix.
10639 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10641 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10643 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10645 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10646 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10647 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10648 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10649 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10650 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10651 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10652 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10653 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10654 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10655 (DW_END_default, DW_END_big, DW_END_little): New.
10656 (DW_END_lo_user, DW_END_hi_user): Define.
10657 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10658 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10659 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10662 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10664 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10666 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10668 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10670 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10672 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10673 to 'symbol_mem_tag'.
10675 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10678 2006-03-01 Roger Sayle <roger@eyesopen.com>
10680 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10682 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10685 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10686 MACHO_DYNAMIC_NO_PIC_P.
10687 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10689 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10692 * config/darwin-protos.h (darwin_asm_output_anchor):
10694 * config/darwin-sections.def (cstring_section):
10695 Add SECTION_MERGE to the flags.
10696 (literal4_section): Likewise.
10697 (literal8_section): Likewise.
10698 (objc_selector_refs_section): Likewise.
10699 (objc_cls_refs_section): Likewise.
10700 * config/darwin.c (darwin_asm_output_anchor): New
10702 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10704 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10706 Fix PR tree-optimization/26443
10707 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10708 to todo and PROP_tmt_usage to properties_destroyed.
10709 * tree-ssa-ccp.c (pass_ccp): Ditto.
10710 (pass_store_ccp): Ditto.
10711 * tree-ssa-dom.c (pass_dominator): Ditto.
10713 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10715 * tree-ssa-operands.c: Cleanup whitespace.
10716 (get_asm_expr_operands): Move before first invocation.
10717 (get_indirect_ref_operands): Likewise.
10718 (get_tmr_operands): Likewise.
10719 (get_call_expr_operands): Likewise.
10720 (append_def): Likewise.
10721 (append_use): Likewise.
10722 (append_v_may_def): Likewise.
10723 (append_v_must_def): Likewise.
10724 (add_call_clobber_ops): Likewise.
10725 (add_call_read_ops): Likewise.
10726 (add_stmt_operand): Likewise.
10727 (add_virtual_operand): Likewise.
10728 (build_ssa_operands): Likewise.
10730 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10732 PR middle-end/26022
10734 PR middle-end/24437
10735 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10736 with a call expr to ...
10737 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10739 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10741 * tree-vrp.c (extract_range_from_assert): Remove special
10742 handling for types with super-types.
10744 2006-03-01 Ben Elliston <bje@au.ibm.com>
10746 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10747 and powerpc64-*-linux* configurations.
10748 * config/t-dfprules: New file.
10750 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10751 Compile dfp-bit.c from the source directory using -DWIDTH and
10752 $DFP_CFLAGS to control the compilation of that file, rather than
10753 generating width-specific versions in the build directory.
10754 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10755 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10757 2006-02-28 Zack Weinberg <zackw@panix.com>
10759 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10762 2006-02-28 Eric Christopher <echristo@apple.com>
10764 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10765 Set up IN_LIBGCC definition of TARGET_64BIT.
10766 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10768 2006-02-28 Roger Sayle <roger@eyesopen.com>
10770 PR middle-end/14752
10771 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10772 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10773 cases via the construction of "expr != 0".
10775 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10777 * alias.c (alias_invariant, alias_invariant_size): Remove.
10778 (record_base_value): Remove.
10779 (memrefs_conflict_p): Don't look at alias_invariant.
10780 (end_alias_analysis): Don't free it.
10781 * alias.h (record_base_value): Remove prototype.
10783 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10784 Adam Nemet <anemet@caviumnetworks.com>
10786 * rtl.h (truncated_to_mode): Declare it.
10787 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10788 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10789 (RTL_HOOKS_INITIALIZER): Include it.
10790 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10791 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10792 reg_truncated_to_mode.
10793 * rtlanal.c (truncated_to_mode): Define it.
10794 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10796 2006-02-28 Jeff Law <law@redhat.com>
10798 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10799 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10800 the range allowed by TYPE_PRECISION.
10802 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10804 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10806 PR tree-optimization/26419
10807 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10810 2006-02-27 Zack Weinberg <zackw@panix.com>
10812 * doc/md.texi: Fix typo in previous change.
10814 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10818 2006-02-27 Zack Weinberg <zackw@panix.com>
10820 * rtl.def (define_constraint, define_register_constraint)
10821 (define_memory_constraint, define_address_constraint): New MD forms.
10822 * gensupport.c (process_rtx): Put define_constraint etc on the
10824 * genpreds.c (process_define_predicate): Adjust comment. Validate
10825 the name, and call validate_exp to validate the expression.
10826 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10827 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10828 all callers changed.
10829 (validate_exp, needs_variable, struct constraint_data)
10830 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10831 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10832 (const_dbl_constraints, constraint_max_namelen)
10833 (have_register_constraints, have_memory_constraints)
10834 (have_address_constraints, have_address_constraints)
10835 (have_extra_constraints, have_const_int_constraints)
10836 (have_const_dbl_constraints, mangle, add_constraint)
10837 (process_define_constraint, process_define_register_constraint)
10838 (write_enum_constraint_num, write_lookup_constraint)
10839 (write_insn_constraint_len, write_regclass_for_constraint)
10840 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10841 (write_insn_extra_memory_constraint)
10842 (write_insn_extra_address_constraint)
10843 (write_satisfies_constraint_fns): New.
10844 (write_tm_preds_h): If we have new-style constraint definitions,
10845 prototype the functions generated from them, and define the
10846 old constraint interface (still used by generic code) in terms of
10848 (write_insn_preds_c): If we have new-style constraint definitions,
10849 generate all relevant functions from those definitions.
10850 (main): Handle define_constraint etc.
10851 * genoutput.c (struct constraint_data, indep_constraints)
10852 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10853 (mdep_constraint_len): New data structures and functions, defined
10854 #ifdef USE_MD_CONSTRAINTS.
10855 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10856 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10857 use new logic to validate operand constraints against constraint
10859 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10861 * defaults.h: If none of the old-style constraint macros are
10862 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10863 old-style macros; and poison REG_CLASS_FROM_LETTER,
10864 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10866 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10867 * doc/md.texi: Document new constraint-definition mechanism and the
10868 C interface it provides. Remove references to old mechanism
10869 elsewhere in the document.
10870 (Machine Constraints): Use pathnames relative to gcc directory,
10871 i.e. config/ARCH/FILE. Change i386 section to refer to
10872 config/i386/predicates.md; update that section to match docstrings.
10873 * doc/tm.texi: Move all documentation of the old constraint-
10874 definition macros to their own section, clearly mark as obsolete.
10876 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10877 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10879 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10880 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10881 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10882 constraint strings.
10883 (splits and peepholes): Use satisfies_constraint_*.
10884 * config/i386/i386.c (memory_address_length)
10885 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10887 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10889 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10890 scalar operation to be put back into the loop.
10892 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10895 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10896 (extract_cie_info): Handle S flag in augmentation string.
10897 (execute_cfa_program): If context->signal_frame, execute also
10898 fs->pc == context->ra instructions.
10899 (uw_frame_state_for): If context->signal_frame, don't subtract one
10900 from context->ra to find FDE.
10901 (uw_update_context_1): Set context->signal_frame to
10903 (_Unwind_GetIPInfo): New function.
10904 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10905 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10907 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10908 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10909 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10910 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10911 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10912 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10913 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10914 x86_64_fallback_frame_state): Set fs->signal_frame.
10915 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10916 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10917 (frob_update_context): Likewise. Workaround missing S flag in
10918 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10919 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10920 Remove the psw_addr + 1 hack.
10922 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10924 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10925 with aggregates here.
10926 (find_func_aliases): Remove code for &<aggregate> from here.
10928 2006-02-26 Roger Sayle <roger@eyesopen.com>
10930 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10931 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10932 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10933 as (X & C) ne/eq 0.
10935 2006-02-26 Roger Sayle <roger@eyesopen.com>
10937 PR middle-end/19983
10938 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10940 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10942 * opts.c (decode_options): Do not handle flag_strength_reduce.
10943 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10944 and OPT_fstrength_reduce.
10945 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10946 flag_prefetch_loop_arrays for being nonzero.
10947 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10949 (fprefetch-loop-arrays-rtl): Removed.
10950 (flag_prefetch_loop_arrays): Do not specify the value.
10952 * doc/passes.texi: Update documentation of loop optimizer
10954 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10955 -frerun-loop-opt): Remove.
10957 2006-02-26 Richard Guenther <rguenther@suse.de>
10959 PR tree-optimization/26421
10960 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10961 in function calls that are ADDR_EXPRs as using the whole structure.
10963 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10965 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10966 * tree-pass.h (pass_loop_optimize): Remove.
10967 * passes.c (pass_loop_optimize): Never run it.
10968 * toplev.c (backend_init): Don't call init_loop.
10969 * opts.c (flag_loop_optimize_set): Remove.
10970 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10971 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10972 the old RTL loop optimizer when profiling enabled.
10973 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10974 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10975 pre-headers for the sake of the old RTL loop optimizer.
10976 * Makefile.in: Remove all references to loop.o.
10978 * doc/invoke.texi: Remove all references to -floop-optimize
10979 and -frerun-loop-opt.
10981 2006-02-26 Zack Weinberg <zackw@panix.com>
10983 * doc/md.texi (Machine Constraints): Refer to all files with paths
10984 relative to gcc directory (i.e. config/CPU/file). Add missing
10985 @table @code ... @end table to M32C subsection.
10987 2006-02-26 Roger Sayle <roger@eyesopen.com>
10989 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10991 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10993 2006-02-26 Roger Sayle <roger@eyesopen.com>
10994 James A. Morrison <phython@gcc.gnu.org>
10996 PR middle-end/21137
10997 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10998 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10999 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11000 signedness of the shift operation.
11002 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11004 PR tree-optimization/26359
11005 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11007 2006-02-25 Roger Sayle <roger@eyesopen.com>
11009 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11010 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11011 as X == 0, and some symmetry related transformations.
11012 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11014 2006-02-25 Roger Sayle <roger@eyesopen.com>
11016 PR middle-end/23673
11017 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11018 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11019 symmetry related transformations. Fold (X^C1) == C2 as
11022 2006-02-25 Juergen Weigert <jw@suse.de>
11023 Richard Guenther <rguenther@suse.de>
11025 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11027 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11029 * combine.c (gen_lowpart_or_truncate): Call
11030 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11032 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11034 * doc/invoke.texi: Move -fopenmp description to "Options for
11036 Remove reference to -lgomp.
11038 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11040 * doc/install.texi: Require GNU tar version 1.14.
11042 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11044 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11045 * doc/invoke.texi (C++ Dialect Options): Document
11046 -fno-use-cxa-get-exception-ptr.
11047 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11048 * configure: Regenerate.
11049 * c.opt (fuse-cxa-get-exception-ptr): New.
11050 * c-opts.c (c_common_handle_option): Handle
11051 OPT_fuse_cxa_get_exception_ptr.
11052 * c-common.c (flag_use_cxa_atexit): Update documentation.
11053 (flag_use_cxa_get_exception_ptr): New.
11054 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11055 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11057 (C_COMMON_OVERRIDE_OPTIONS): New.
11059 2006-02-24 Roger Sayle <roger@eyesopen.com>
11061 PR middle-end/24952
11062 * combine.c (try_combine): Explicitly check whether GET_CODE is
11063 a SET or a CLOBBER, instead on checking that it isn't a USE.
11065 2006-02-24 Roger Sayle <roger@eyesopen.com>
11067 * fold-const.c (fold_comparison): New subroutine of fold_binary
11068 containing transformations common to both the equality and
11069 ordering relational operators, factored out of fold_binary.
11070 (fold_binary): Separate out the equality operators (EQ_EXPR
11071 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11072 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11073 transformations common to both.
11074 (fold_div_compare): Fix latent bugs in the previously unreachable
11075 LT_EXPR and GE_EXPR cases.
11077 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11079 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11080 decl libname for clog to __clog on AIX.
11082 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11084 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11087 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11088 output traceback table for thunks. Localise rs6000_stack_info call.
11090 2006-02-23 Roger Sayle <roger@eyesopen.com>
11091 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11093 * gthr-posix.h (__gthrw): Fix typo in comment.
11095 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11097 * doc/cpp.texi (Character sets): Document that we do support
11098 input files to be in any character set.
11100 2006-02-23 Jeff Law <law@redhat.com>
11102 * tree.h (PHI_ARG_NONZERO): Remove.
11103 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11104 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11105 node to the new node.
11107 PR tree-optimization/26425
11108 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11109 min/max, then assume its varying.
11111 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11113 PR rtl-optimization/26316
11114 * rtlanal.c (enum may_trap_p_flags): New.
11115 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11116 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11117 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11118 (may_trap_after_code_motion_p): New function.
11119 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11120 (find_invariant_insn): Use may_trap_after_code_motion_p.
11121 * rtl.h (may_trap_after_code_motion_p): Declare.
11123 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11125 * emit-rtl.c (immed_double_const): Cleanup.
11127 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11129 Fix PR tree-optimization/26376
11130 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11133 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11135 PR middle-end/26412
11136 * gimplify.c (omp_add_variable): Guard variable size decl test with
11137 DECL_SIZE (decl) check.
11139 2006-02-23 Richard Guenther <rguenther@suse.de>
11141 PR middle-end/26439
11142 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11143 like aggregate types.
11145 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11147 * configure.ac: Add --with{,out}-long-double-128 configure option.
11148 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11149 * configure: Rebuilt.
11150 * config.in: Rebuilt.
11151 * doc/install.texi (Options specification): Document
11152 --with-long-double-128.
11154 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11155 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11156 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11157 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11159 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11161 * config/s390/s390.c (override_options): Handle
11162 TARGET_DEFAULT_LONG_DOUBLE_128.
11164 * config/alpha/alpha.c (override_options): Handle
11165 TARGET_DEFAULT_LONG_DOUBLE_128.
11167 * config/sparc/sparc.c (sparc_override_options): Handle
11168 TARGET_DEFAULT_LONG_DOUBLE_128.
11170 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11172 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11173 (real-install-headers-tar, real-install-headers-cpio)
11174 (real-install-headers-cp): New targets.
11176 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11178 * tree.h (variable_section): Delete.
11179 * varasm.c (variable_section): Delete.
11181 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11183 * install.texi: Add notes on install.texi2html.
11184 (Building in parallel): Do not use footnotes.
11186 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11189 * doc/install.texi (Configuration): Document --disable-libgomp.
11191 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11193 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11195 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11197 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11198 (vec_extractv2df_0_sse): New.
11200 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11202 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11203 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11204 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11205 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11206 to the result of the expression.
11207 (def_cfa_1): Adjust.
11208 (frame_pointer_cfa_offset): Rename to...
11209 (frame_pointer_fb_offset): ... this. Adjust all uses.
11210 (convert_cfa_to_loc_list): Rename to...
11211 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11212 Pass it on to build_cfa_loc.
11213 (compute_frame_pointer_to_cfa_displacement): Rename to...
11214 (compute_frame_pointer_to_fb_displacement): ... this. New
11215 offset parameter. Use it in computation.
11216 (gen_subprogram_die): Compute cfa_fb_offset with the new
11217 macro, and use it to compute the fb loc list and the
11220 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11222 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11223 replaced with register_operand.
11224 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11225 non-DREG is expensive.
11226 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11227 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11230 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11232 * doc/install.texi2html: Use set -e.
11234 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11236 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11237 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11238 * doc/invoke.texi (-fshared-data): Delete.
11239 * common.opt (fshared-data): Delete.
11240 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11241 (assemble_static_space): Remove #if 0 code.
11242 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11243 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11244 * config/cris/cris.h: Remove FIXME.
11246 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11248 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11251 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11253 PR middle-end/26379
11254 * combine.c (simplify_shift_const_1): Disable nested shifts
11255 optimization for vector shifts.
11257 2006-02-20 Roger Sayle <roger@eyesopen.com>
11259 PR tree-optimization/26361
11260 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11261 of unsigned integer types.
11263 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11265 * tree-chrec.c (eq_evolutions_p): New.
11266 * tree-chrec.h (eq_evolutions_p): Declared.
11267 * tree-data-ref.c: Fix formatting.
11268 (datadep_stats, dependence_stats): New.
11270 (print_direction_vector): New.
11271 (dump_data_dependence_relation): Use print_direction_vector.
11272 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11273 (compute_subscript_distance): Static.
11274 (initialize_data_dependence_relation): Static. Get the number
11275 of loops surrounding the references from the callers, and initialize
11276 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11277 base_object_differ_p analyzers.
11278 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11279 compute_overlap_steps_for_affine_1_2,
11280 analyze_subscript_affine_affine): Count the classified dependences.
11281 Print a message when a test failed.
11282 (can_use_analyze_subscript_affine_affine): New.
11283 (analyze_siv_subscript): Compute the data dependences on symbolic
11284 scevs that verify can_use_analyze_subscript_affine_affine.
11285 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11286 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11287 Handle symbolic scevs.
11288 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11290 (subscript_dependence_tester): Moved...
11291 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11292 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11293 DDR_SIZE_VECT instead of getting it in parameter.
11294 (subscript_dependence_tester): ... here. Take as a parameter
11295 loop_nest_depth. Call build_classic_dist_vector and
11296 build_classic_dir_vector.
11297 (compute_affine_dependence): Update subscript_dependence_tester
11298 parameters. Update datadep_stats counters. Call
11299 compute_subscript_distance.
11300 (compute_self_dependence): Save the dist and dir vectors. Call
11301 compute_subscript_distance.
11302 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11303 (compute_all_dependences): Reorder parameters as they were before
11304 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11305 compute_subscript_distance. Update the use of
11306 compute_affine_dependence and initialize_data_dependence_relation.
11307 (find_data_references_in_loop): Handle COMPONENT_REF.
11308 (compute_data_dependences_for_loop): Initialize dependence_stats.
11309 Don't call build_classic_dist_vector and build_classic_dir_vector.
11310 Update the parameters of initialize_data_dependence_relation and
11311 compute_all_dependences. Print the statistics from datadep_stats.
11312 (analyze_all_data_dependences): Static. Not used until the pass for
11313 checking the data dependences is contributed.
11314 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11315 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11316 (initialize_data_dependence_relation, compute_affine_dependence,
11317 analyze_all_data_dependences, compute_subscript_distance): Removed.
11318 (print_direction_vector): New.
11319 * lambda.h (gcd): ... here.
11320 (lambda_vector_gcd): Moved here from gcd_vector.
11321 * lambda-code.c (gcd, gcd_vector): Removed.
11322 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11323 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11325 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11327 * ipa-type-escape.c: Tidy some comments and white space.
11328 * tree-ssa-operands.c: Likewise.
11330 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11333 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11334 (dump_decl_name): Do not walk the decl tree chains.
11335 * tree-pass.h (TDF_CHAIN): Remove.
11337 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11339 * Makefile.in (C): Remove
11341 (.PHONY): Remove C and PROTO
11343 2006-02-20 Roger Sayle <roger@eyesopen.com>
11345 PR middle-end/26236
11346 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11347 deprecated CHAR_TYPE tree code.
11349 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11351 * configure.ac (target_list): Add install-info, dvi, html.
11352 * configure: Regenerate.
11354 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11355 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11356 treelang/Make-lang.in: Do not use double-colon rules.
11358 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11360 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11361 (TMT_USED_ALONE): New macro.
11362 * tree-pass.h (PROP_tmt_usage): New property.
11363 (TODO_update_tmt_usage): New todo.
11364 * tree-ssa-alias.c (updating_used_alone): New variable.
11365 (recalculate_used_alone): New function.
11366 (compute_may_aliases): Set updating_used_alone, call
11367 recalculate_used_alone.
11368 * tree-sra.c (pass_sra): Note that this pass destroys
11369 PROP_tmt_usage, and add TODO_update_tmt_usage.
11370 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11371 * tree-flow.h (updating_used_alone): Prototype.
11372 (recalculate_used_alone): Ditto.
11373 * passes.c (execute_todo): Add code to set updating_used_alone,
11374 and call recalculate.
11375 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11376 for clobber if used alone, and add assert to verify used_alone
11379 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11381 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11382 for non tls symbols added.
11383 (legitimize_address): Do nothing for PLUS expressions if one of the
11384 addends is a tls symbol reference.
11386 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11390 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11392 * Makefile.in (BOOTSTRAPPING): New.
11393 (quickstrap): New definition if BOOTSTRAPPING=yes.
11395 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11396 * configure.ac: Substitute all_selected_languages with the languages
11397 that were configured. For all the other variables except
11398 lang_specs_files, include all the languages in the tree.
11399 * configure: Regenerate.
11401 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11402 if there is one. Run the commands to run fixincludes in the same
11405 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11406 * doc/install.texi: Document exact conventions for searching target tools.
11407 Document --with-build-time-tools. Document toplevel bootstrap. Document
11408 something more about building an Ada cross-compiler. Don't list GNU Make
11409 requirements which affect all platforms.
11411 2006-02-19 Roger Sayle <roger@eyesopen.com>
11413 PR middle-end/19543
11414 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11415 only equivalent if the have both the same mode and precision.
11417 2006-02-20 Ben Elliston <bje@au.ibm.com>
11419 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11421 2006-02-19 Roger Sayle <roger@eyesopen.com>
11422 Steven Bosscher <stevenb.gcc@gmail.com>
11424 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11425 constant pool references to identify stack mode constants.
11426 * rtlanal.c (constant_pool_constant_p): New predicate to check
11427 whether operand is a floating point constant in the pool.
11428 * rtl.h (constant_pool_constant_p): Prototype here.
11429 * loop.c (scan_loop): Avoid hoisting constants from the constant
11430 pool on STACK_REGS targets.
11431 (load_mems): Likewise.
11432 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11433 loads into x87 registers expensive in terms of register pressure.
11435 2006-02-19 Roger Sayle <roger@eyesopen.com>
11437 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11438 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11440 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11442 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11443 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11445 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11447 * doc/invoke.texi: Document -fipa-pta.
11448 * common.opt: Add ipa-pta option.
11449 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11450 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11451 (do_ds_constraint): Ditto.
11452 (get_constraint_for): Only add to referenced_vars if
11453 referenced_vars exists.
11454 (insert_into_field_list): Rewrite to do this unsorted.
11455 (insert_into_field_list_sorted): Rename old insert_into_field_list
11457 (create_function_info_for): Use insert_into_field_list_sorted.
11458 (create_variable_info_for): Rewrite so it uses unsorted version,
11459 since the field list is sorted.
11460 (intra_create_variable_infos): Only add to referenced_vars if
11461 referenced_vars exists.
11462 (ipa_pta_execute): Init heapvars, and delete when done.
11463 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11465 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11467 * doc/install.texi: Add missing `@samp'.
11469 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11471 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11474 2006-02-18 Mark Wielaard <mark@klomp.org>
11476 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11477 who added new 4.1 features, bug fixes and integration support.
11479 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11482 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11483 MEM for ABI_V4 pic.
11485 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11487 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11488 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11489 (copy_insn_1): Likewise. Don't copy each field individually.
11491 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11493 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11494 * rtl.c (rtx_size): Rename variable to...
11495 (rtx_code_size): ...this.
11496 (rtx_size): New function.
11497 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11498 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11500 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11501 * rtl.h (rtx_code_size): New variable.
11502 (rtx_size): Change from a variable to a function.
11503 (RTX_SIZE): Rename to...
11504 (RTX_CODE_SIZE): ...this.
11507 PR tree-optimization/17106
11508 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11509 (Anchored Addresses): New section.
11510 * doc/invoke.texi (-fsection-anchors): Document.
11511 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11512 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11513 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11514 * hooks.c (hook_bool_mode_rtx_false): New function.
11515 * hooks.h (hook_bool_mode_rtx_false): Declare.
11516 * gengtype.c (create_optional_field): New function.
11517 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11518 SYMBOL_REF_IN_BLOCK_P is true.
11519 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11520 (min_anchor_offset, max_anchor_offset): Likewise.
11521 (use_anchors_for_symbol_p): New hook.
11522 * toplev.c (compile_file): Call output_object_blocks.
11523 (target_supports_section_anchors_p): New function.
11524 (process_options): Check that -fsection-anchors is only used on
11525 targets that support it and when -funit-at-a-time is in effect.
11526 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11527 if the decl doesn't have one.
11528 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11529 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11530 of force_const_mem through use_anchored_address.
11531 (expand_expr_constant): New function.
11532 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11533 calling expand_expr for INDIRECT_REF.
11534 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11535 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11536 * expr.h (use_anchored_address): Declare.
11537 * loop-unroll.c: Don't declare rtx vectors here.
11538 * explow.c: Include output.h.
11539 (validize_mem): Call use_anchored_address.
11540 (use_anchored_address): New function.
11541 * common.opt (-fsection-anchors): New switch.
11542 * varasm.c (object_block_htab, anchor_labelno): New variables.
11543 (hash_section, object_block_entry_eq, object_block_entry_hash)
11544 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11545 (use_blocks_for_decl_p, change_symbol_section): New functions.
11546 (get_variable_section): New function, split out from assemble_variable.
11547 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11548 use_blocks_for_decl_p say so. Use change_symbol_section if the
11549 symbol has already been created.
11550 (assemble_variable_contents): New function, split out from...
11551 (assemble_variable): ...here. Don't output any code for
11552 block symbols; just pass them to place_block_symbol.
11553 Use get_variable_section and assemble_variable_contents.
11554 (get_constant_alignment, get_constant_section, get_constant_size): New
11555 functions, split from output_constant_def_contents.
11556 (build_constant_desc): Create a block symbol if use_object_blocks_p
11557 says so. Or into SYMBOL_REF_FLAGS.
11558 (assemble_constant_contents): New function, split from...
11559 (output_constant_def_contents): ...here. Don't output any code
11560 for block symbols; just pass them to place_section_symbol.
11561 Use get_constant_section and get_constant_alignment.
11562 (force_const_mem): Create a block symbol if use_object_blocks_p and
11563 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11564 (output_constant_pool_1): Add an explicit alignment argument.
11565 Don't switch sections here.
11566 (output_constant_pool): Adjust call to output_constant_pool_1.
11567 Switch sections here instead. Don't output anything for block symbols;
11568 just pass them to place_block_symbol.
11569 (init_varasm_once): Initialize object_block_htab.
11570 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11571 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11572 (place_block_symbol, get_section_anchor, output_object_block)
11573 (output_object_block_htab, output_object_blocks): New functions.
11574 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11575 (TARGET_ASM_OUT): Include it.
11576 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11577 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11578 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11579 (TARGET_INITIALIZER): Include them.
11580 * rtl.c (rtl_check_failed_block_symbol): New function.
11581 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11582 (block_symbol, object_block): New structures.
11583 (rtx_def): Add a block_symbol field to the union.
11584 (BLOCK_SYMBOL_CHECK): New macro.
11585 (rtl_check_failed_block_symbol): Declare.
11586 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11587 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11588 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11589 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11590 * output.h (output_section_symbols): Declare.
11591 (object_block): Name structure.
11592 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11593 (default_use_anchors_for_symbol_p): Declare.
11594 * Makefile.in (RTL_BASE_H): Add vec.h.
11595 (explow.o): Depend on output.h.
11596 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11597 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11598 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11599 (rs6000_use_blocks_for_constant_p): New function.
11601 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11603 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11605 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11608 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11611 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11613 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11617 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11619 PR middle-end/26334
11620 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11621 instead of DECL_REGISTER.
11623 2006-02-18 Olivier Hainque <hainque@adacore.com>
11626 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11628 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11631 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11632 * opth-gen.awk: Handle Var and InverseMask together.
11633 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11634 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11635 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11636 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11638 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11639 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11640 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11641 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11642 LINUX_DYNAMIC_LINKER): Define.
11643 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11644 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11646 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11647 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11648 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11649 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11650 (TARGET_C99_FUNCTIONS): Don't define.
11651 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11652 GLIBC_DYNAMIC_LINKER.
11653 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11654 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11655 GLIBC_DYNAMIC_LINKER64): Define.
11656 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11657 LINUX_DYNAMIC_LINKER64.
11658 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11659 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11660 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11661 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11662 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11664 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11665 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11666 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11667 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11668 and LINUX_DYNAMIC_LINKER32.
11669 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11671 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11672 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11673 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11675 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11676 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11677 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11678 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11679 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11680 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11681 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11682 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11683 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11684 LINUX_DYNAMIC_LINKER): Define.
11685 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11686 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11687 GLIBC_DYNAMIC_LINKER64): Define.
11688 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11689 LINUX_DYNAMIC_LINKER64.
11690 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11691 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11692 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11693 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11694 LINUX_DYNAMIC_LINKER): Define.
11695 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11696 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11697 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11698 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11699 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11700 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11701 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11702 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11703 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11704 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11705 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11706 * doc/invoke.texi (-muclibc): Remove caveat about supported
11709 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11711 * doc/cpp.texi (__TIMESTAMP__): Document.
11713 2006-02-17 Roger Sayle <roger@eyesopen.com>
11715 PR middle-end/25600
11716 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11717 C is one less than the width of X (and related transformations).
11718 * simplify-rtx.c (simplify_unary_operation_1): Transform
11719 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11720 depending on STORE_FLAG_VALUE, were C is one less then the
11723 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11725 Fix PR tree-optimization/26341
11726 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11727 about NAME_MEMORY_TAG's.
11729 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11732 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11733 with hardware float support, and software float support. Add fcpy
11734 alternative to hardware patterns. Add alternatives to copy between
11735 general and floating-point registers to the 32-bit pattern.
11736 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11737 secondary reload to load a QI or HI mode constant into a floating
11739 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11740 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11742 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11745 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11747 (load_macho_picbase_di): Likewise.
11749 2006-02-16 Jeff Law <law@redhat.com>
11751 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11752 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11753 (ssa_name_nonzero_p): Likewise.
11754 (get_value_range): Return NULL if VRP is not running.
11755 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11756 VRP routines do not discover a range.
11757 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11758 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11759 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11760 (tree_expr_nonnegative_p): Similarly.
11761 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11762 (restore_nonzero_vars_to_original_value): Remove.
11763 (unsafe_associative_fp_binop): Remove.
11764 (tree_ssa_dominator_optimize): Remove initialization and
11765 finalization of nonzero_vars and nonzero_vars_stack.
11766 (dom_opt_initialize_block): No longer push marker on
11767 nonzero_vars_stack.
11768 (dom_opt_finalize_block): No longer call
11769 restore_nonzero_vars_to_original_value.
11770 (record_equivalences_from_phis): No longer look for
11771 nonzero PHI arguments.
11772 (cprop_into_successor_phis): No longer propagate nonzero
11773 property into PHI arguments. Lose unused argument. Caller
11775 (record_equivalences_from_stmt): No longer record nonzero
11776 values for SSA_NAMEs.
11777 (lookup_avail_expr): No longer use nonzero_vars.
11779 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11780 for sizetype when sizetype is unsigned.
11782 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11784 PR rtl-optimization/25603
11785 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11786 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11787 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11788 with new meaning of SETS.
11790 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11795 * config/linux.opt: New file.
11796 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11797 LINUX_DYNAMIC_LINKER): Define.
11798 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11799 * config.gcc (*-*-linux*): Define extra_options.
11800 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11801 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11802 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11803 GLIBC_DYNAMIC_LINKER.
11804 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11805 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11806 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11807 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11808 * doc/invoke.texi (GNU/Linux Options): New section.
11810 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11812 * config/sparc/sparc.md (setjmp): Rewrite.
11813 (setjmp_32): Delete.
11814 (setjmp_64): Likewise.
11816 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11818 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11821 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11823 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11826 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11828 PR rtl-optimization/26296
11829 * Makefile.in (loop-invariant.c): Add except.h dependency.
11830 * loop-invariant.c: Include except.h.
11831 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11833 2005-02-16 Paul Brook <paul@codesourcery.com>
11835 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11838 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11840 PR rtl-optimization/25636
11841 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11842 when deciding whether an insn is an initializing insn.
11844 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11846 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11847 (tree_code_size): Ditto.
11848 * tree.h (struct tree_memory_tag): Remove parent_var.
11849 (struct tree_struct_field_tag): New.
11852 (union tree_node): Add sft member.
11853 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11855 (create_sft): Add size and offset argument, set SFT_OFFSET and
11857 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11858 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11859 * tree-flow-inline.h (get_subvar_at): Update for
11860 SFT_OFFSET/SFT_SIZE.
11861 (var_can_have_subvars): Ditto.
11862 (overlap_subvar): Ditto.
11863 * print-tree.c (print_node): Print out interesting things for
11865 * tree-flow.h (struct subvar): Remove offset and size members.
11866 * tree-ssa-operands.c (get_expr_operands): Update for
11867 get_indirect_ref_operands changes.
11868 (get_indirect_ref_operands): Call add_virtual_operand instead of
11869 add_stmt_operand. Only recurse on base var if requested.
11870 (access_can_touch_variable): New function.
11871 (add_stmt_operand): Split virtual operand handling into ...
11872 (add_virtual_operand): Here. Add offset, size, and for_clobber
11873 arguments. Prune alias sets.
11874 (add_call_clobber_ops): Call add_virtual_operand.
11876 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11878 PR middle-end/26300
11879 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11881 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11882 than TREE_CODE as index into omp_clause_num_ops array.
11884 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11886 PR rtl-optimization/26184
11887 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11889 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11890 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11891 must_precede, must_follow and tobe_scheduled.
11894 * opts.c (common_handle_option): Free new_option pointer.
11895 * df-core.c (df_analyze): Free postorder pointer.
11897 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11899 * Makefile.in: Fix the examples about the use of stamps
11901 2006-02-15 Michael Matz <matz@suse.de>
11903 PR middle-end/22275
11905 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11906 influenced by maximum_field_alignment or DECL_PACKED.
11907 (update_alignment_for_field): Ditto.
11908 (place_field): Ditto.
11909 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11912 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11914 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11915 (debug_flow_info): Pass it.
11916 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11917 * bb-reorder.c (reorder_basic_blocks): Likewise.
11918 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11919 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11920 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11921 * gcse.c (gcse_main, bypass_jumps): Likewise.
11922 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11923 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11924 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11925 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11926 * rtl.h (dump_flow_info): Adjust prototype.
11927 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11928 * var-tracking.c (variable_tracking_main): Likewise.
11929 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11930 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11933 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11935 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11938 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11940 PR tree-optimization/26209
11941 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11942 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11944 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11946 2006-02-14 Roger Sayle <roger@eyesopen.com>
11948 PR middle-end/23670
11949 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11950 (X,Y) and the corresponding symmetry related transformations.
11951 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11952 (X,Y) and its symmetry related transformations.
11954 2006-02-14 Roger Sayle <roger@eyesopen.com>
11956 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11959 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11961 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11963 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11966 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11967 support COMDAT group.
11968 * configure: Regenerate.
11970 2006-02-14 Roger Sayle <roger@eyesopen.com>
11972 PR middle-end/26279
11973 PR middle-end/26280
11974 PR middle-end/26283
11975 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11977 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11979 Fix PR tree-optimization/26260
11981 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11983 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11984 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11985 * tree-ssa-structalias.c (create_variable_info_for): Use
11986 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11988 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11990 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11992 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11993 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11994 of the ending condition.
11995 * tree-ssa-loop-manip.c: Include params.h.
11996 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11997 tree_unroll_loop): New functions.
11998 * tree-pass.h (pass_loop_prefetch): Declare.
11999 * loop.c (rest_of_handle_loop_optimize): Test for
12000 -fprefetch-loop-arrays-rtl.
12001 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12002 * timevar.def (TV_TREE_PREFETCH): New timevar.
12003 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12004 pass_loop_prefetch): New.
12005 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12006 (cleanup_tree_cfg_loop): Call scev_reset.
12007 * common.opt (fprefetch-loop-arrays-rtl): Add.
12008 * tree-ssa-loop-prefetch.c: New file.
12009 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12010 (new_temp_expr_table): Initialize expr_vars.
12011 (free_temp_expr_table): Cleanup expr_vars.
12012 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12013 expressions from being merged into one.
12014 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12015 (struct tree_niter_desc): Add control, bound and cmp fields.
12016 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12018 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12019 (tree-cfgcleanup.o): Add SCEV_H dependency.
12020 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12021 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12023 2006-02-14 Richard Guenther <rguenther@suse.de>
12025 PR tree-optimization/26258
12026 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12027 in PHI argument processing.
12029 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12031 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12032 new expression in the requested machine mode.
12034 2006-02-13 Roger Sayle <roger@eyesopen.com>
12036 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12037 directly, instead let do_compare_rtx_and_jump handle this for us.
12038 * expr.c (expand_expr_real_1): Likewise.
12039 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12040 before do_jump_by_parts_greater.
12041 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12042 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12044 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12046 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12048 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12050 PR rtl-optimization/26235
12051 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12052 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12055 2006-02-13 Jeff Law <law@redhat.com>
12057 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12060 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12062 PR middle-end/26092
12063 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12064 twice if decl is a builtin. When trying again, call get_callee_fndecl
12065 first to verify it is still a builtin.
12067 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12069 * dwarf2out.c (base_type_die): Don't add AT_name here.
12070 (subrange_type_die): Don't add AT_name here.
12071 (modified_type_die): Rearrange code flow. Do add AT_name here.
12073 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12075 PR rtl-optimization/26247
12076 PR rtl-optimization/26248
12077 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12079 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12081 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12082 * config/fixtfdi.c: Likewise.
12083 * config/fixunstfdi.c: Likewise.
12084 * config/floatditf.c: Likewise.
12086 2006-02-13 Roger Sayle <roger@eyesopen.com>
12088 PR middle-end/24427
12089 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12090 into (X,C2) if C1 is a subset of the bits of C2. Transform
12091 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12093 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12095 2006-02-13 Josh Conner <jconner@apple.com>
12098 * varasm.c (function_section): Check for section name before
12099 calling select_section on targets that define
12100 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12101 unlikely_text_section instead of hot_function_section if
12102 first_function_block_is_cold.
12104 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12106 PR middle-end/25335
12107 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12109 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12111 PR rtl-optimization/26222
12112 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12113 after tree->rtl expansion.
12114 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12115 before passing it to emit_move_insn.
12117 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12119 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12121 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12122 Clarify documentation.
12123 * c-common.h (warn_write_strings): Remove.
12124 * c-common.c (warn_write_strings): Likewise.
12125 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12128 2006-02-12 Roger Sayle <roger@eyesopen.com>
12130 PR middle-end/25724
12131 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12132 (do_jump_parts_zero_rtx): New function renamed from
12133 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12134 (do_jump_parts_equality_rtx): New function split out from
12135 do_jump_parts_equality. Old implementation renamed as above.
12136 Call do_jump_parts_zero_rtx if either operand is zero.
12137 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12138 do all of the heavy lifting.
12139 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12140 calling either do_jump_by_parts_greater_rtx or
12141 do_jump_by_parts_equality_rtx.
12142 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12143 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12144 moved to do_compare_rtx_and_jump, call it directly.
12145 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12146 mode argument. Call do_compare_rtx_and_jump.
12147 (emit_case_nodes): Update calls to do_jump_if_equal.
12149 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12151 PR rtl-optimization/26225
12152 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12154 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12156 PR rtl-optimization/26232
12157 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12159 2006-02-11 Jason Merrill <jason@redhat.com>
12162 * tree-inline.c (declare_return_variable): Just don't use the
12163 modify target if it's a gimple complex reg and the return slot
12166 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12168 * doc/contrib.texi: Update my entry.
12170 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12172 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12174 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12176 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12179 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12181 * doc/invoke.texi (-floop-optimize2): Removed.
12182 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12183 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12184 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12185 * common.opt (floop-optimize2): Removed.
12186 (fmove-loop-invariants): Enabled by default.
12188 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12190 * tree-if-conv.c (combine_blocks): Free the result of
12191 get_loop_exit_edges.
12193 2006-02-10 Jeff Law <law@redhat.com>
12195 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12197 PR tree-optimization/26213
12198 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12199 loop trying to follow SSA_NAME_VALUE chains.
12201 2006-02-10 Richard Guenther <rguenther@suse.de>
12203 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12204 deal with structures that end in implicitly variable sized arrays.
12206 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12208 PR rtl-optimization/24762
12209 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12212 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12214 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12215 (struct ivopts_data): Add regs_used field.
12216 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12217 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12218 instead of loop_data->regs_used;
12219 (free_loop_data): Do not free aux fields for loops.
12220 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12221 and tree_ssa_iv_optimize_finalize.
12223 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12225 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12227 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12230 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12231 computing the effective result type.
12233 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12235 PR inline-asm/16194
12236 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12237 (tree_overlaps_hard_reg_set): Declare.
12238 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12239 type and signature to match function type expected by walk_tree.
12240 (tree_overlaps_hard_reg_set): New function.
12241 (decl_conflicts_with_clobbers_p): Rename to:
12242 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12243 Use tree_overlaps_hard_reg_set. Changed caller.
12244 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12245 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12246 * cris.c (cris_md_asm_clobbers): Likewise.
12248 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12250 * reload1.c (emit_input_reload_insns): Delete code that tries to
12251 inherit using find_equiv_reg.
12253 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12255 * c-common.h (flag_const_strings): Don't declare.
12256 * c-common.c (flag_const_strings): Remove.
12257 * c.opt (fconst_strings): Remove.
12258 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12259 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12260 (c_common_init_options): Don't set flag_const_strings.
12261 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12263 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12265 * arm.md (tlobits_cbranch): New pattern.
12266 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12267 testing a single bit.
12269 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12272 * tree-ssa-pre.c (create_component_ref_by_pieces):
12273 Handle RETURN_DECL like VAR_DECL.
12275 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12277 PR middle-end/26134
12278 * fold-const.c (fold_indirect_ref_1): Fold
12279 "*(foo *)&complexfoo" to "__real__ complexfoo"
12280 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12282 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12284 * tree-flow-inline.h (var_can_have_subvars):
12285 Volatile variables should not have subvariables.
12287 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12290 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12291 multiplying unsigned values.
12294 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12296 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12298 2006-02-08 Jason Merrill <jason@redhat.com>
12301 * tree.def: Elaborate on difference from MODIFY_EXPR.
12302 * doc/c-tree.texi (INIT_EXPR): Likewise.
12303 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12304 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12305 (gimplify_target_expr): Likewise.
12306 (gimplify_cond_expr): Remove target handling.
12307 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12308 (gimplify_expr): Clobber it here.
12309 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12310 Do return slot optimization if we have an INIT_EXPR.
12313 * tree-inline.c (declare_return_variable): Also clear
12314 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12317 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12319 PR middle-end/22439
12320 * gimplify.c (gimplify_one_sizepos): Fix typo.
12322 2006-02-08 Jeff Law <law@redhat.com>
12324 PR tree-optimization/21417
12325 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12326 across a backedge if the control statement at the end of the
12327 block is data dependent on other statements in the same block.
12328 (record_temporary_equivalences_from_stmts): Remove over-conservative
12329 test for threading across backedges.
12331 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12332 control statement, handle all three special cases in the same
12333 manner as they all have the same desired solution. No longer
12334 special case edge flag updating when the post dominator is
12337 2006-02-08 Roger Sayle <roger@eyesopen.com>
12339 * tree.def (CHAR_TYPE): Remove.
12340 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12341 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12342 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12343 (gen_string_type_die): Delete unreachable function.
12345 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12346 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12347 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12348 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12349 * builtins.c (type_to_class): Likewise.
12350 * fold-const.c (fold_convert, build_range_check,
12351 merge_ranges): Likewise.
12352 * expr.c (count_type_elements): Likewise.
12353 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12354 * stor-layout.c (layout_type): Likewise.
12355 * ipa-type-escape.c (type_to_consider): Likewise.
12356 * gimplify.c (omp_firstprivatize_type_sizes,
12357 gimplify_type_sizes): Likewise.
12358 * explow.c (promote_mode): Likewise.
12359 * tree-sra.c (is_sra_scalar_type): Likewise.
12360 * varasm.c (output_constant): Likewise.
12361 * tree-inline.c (remap_type_1): Likewise.
12362 * convert.c (convert_to_pointer, convert_to_real,
12363 convert_to_integer, convert_to_complex): Likewise.
12365 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12367 * df-scan.c (df_def_record_1): A set destination may
12368 be a parallel regardless of mode.
12370 2006-02-08 Roger Sayle <roger@eyesopen.com>
12373 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12374 * config/mips/_tilib.c: Remove.
12375 * config/fixtfdi.c: New libgcc source file.
12376 * config/fixunstfdi.c: New source file.
12377 * config/floatditf.c: New source file.
12378 * config/floatunditf.c: New souce file.
12379 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12380 files above instead of config/mips/_tilib.c.
12381 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12383 2006-02-08 Jeff Law <law@redhat.com>
12385 PR tree-optimization/26169
12386 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12389 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12391 * df.h (DF_REG_SIZE): Return the length of the initialized
12394 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12396 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12397 __muldf3): Return a correctly signed zero.
12399 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12401 * passes.c (register_one_dump_file): Accept the current properties
12402 instead of pass number. Adjust call to dump_register. Remove
12404 (register_dump_files): Now a wrapper around...
12405 (register_dump_files_1): ... this one. Do not modify the pass
12407 (next_pass_1): Cosmetic fix.
12408 (execute_todo): Keep second parameter only. Use curr_properties
12409 instead of fetching it from the pass structure. Check and set
12411 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12412 instead of fetching it from the pass structure. Fix calls to
12413 execute_todo. Update curr_properties and initialize .vcg RTL dump
12414 after running the pass. Reset last_verified.
12415 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12417 (FIRST_AUTO_NUMBERED_DUMP): New.
12418 (dump_register): Remove "num" parameter, assign it within the
12420 (get_dump_file_name): Modify template for dumps.
12421 * tree-dump.h (dump_register): Adjust prototype.
12422 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12423 (PROP_trees): Add PROP_gimple_lomp.
12424 (TODO_set_props): New.
12425 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12426 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12427 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12429 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12431 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12432 (sparc64-*-linux*): Likewise.
12433 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12434 * config/sparc/t-linux: New file.
12435 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12436 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12437 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12438 -m32 -mlong-double-128.
12440 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12441 * config/alpha/t-linux: New file.
12442 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12444 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12445 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12446 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12447 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12448 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12449 (CPP_ARCH32_SPEC): Remove.
12451 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12453 PR tree-optimization/26145
12454 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12457 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12460 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12461 >= 240000 when generating code for SOM runtime.
12462 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12463 to $$dyncall when generating code for SOM runtime..
12465 2006-02-07 Dirk Mueller <dmueller@suse.com>
12468 * doc/invoke.texi (-Wsequence-point): Update documentation
12469 that -Wsequence-point is implemented for C++ as well.
12471 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12473 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12474 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12475 (LIB_SPEC): Likewise.
12476 * doc/invoke.texi (SPARC options): Document -pthread.
12478 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12480 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12483 2006-02-07 Roger Sayle <roger@eyesopen.com>
12485 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12486 Correct comment describing BOOLEAN_TYPE.
12488 2006-02-07 Dirk Mueller <dmueller@suse.com>
12490 * c.opt: C++ frontend supports -Wdiv-by-zero.
12491 * c-opts.c (c_common_handle_option): Remove dead case.
12493 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12495 * configure.ac (TLS assembler check): Do not enable TLS by
12496 default on SPARC/Solaris before version 10.
12497 * configure: Regenerate.
12499 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12501 * doc/invoke.texi (xl-compat): Document conversion and support
12504 2006-02-07 Jeff Law <law@redhat.com>
12506 * tree-vrp.c (find_conditional_asserts): Update comments.
12507 (simplify_stmt_for_jump_threading): New.
12508 (identify_jump_threads, finalize_jump_threads): New.
12509 (vrp_finalize): Call identify_jump_threads.
12510 (execute_vrp): Call finalize_jump_threads.
12511 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12512 (vrp_element, vrp_data, vrp_element_p): Remove.
12513 (vrp_hash_elt, vrp_variables_stack): Remove.
12514 (vrp_hash, vrp_eq, record_range): Remove.
12515 (simplify_cond_and_lookup_avail_expr): Remove.
12516 (extract_range_from_cond): Remove.
12517 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12518 (simplify_stmt_for_jump_threading): New.
12519 (dom_thread_across_edge): New wrapper.
12520 (tree_ssa_dominator_optimize): No longer initialize or
12521 finalize any of the VRP datastructures. Remove iteration
12522 step and simplify as a result of removal of iteration step.
12523 (pass_dominator): Perform a cfg cleanup after DOM.
12524 (dom_opt_finalize_block): Use the new common routines
12525 for threading jumps. Simplify stack management slightly.
12526 No longer need to unwind VRP state.
12527 (record_equivalences_from_incoming_edge): No longer record
12529 (eliminate_redundant_computations): No longer call
12530 simplify_cond_and_lookup_avail_expr.
12531 * tree-flow.h (potentially_threadable_block): Prototype.
12532 (thread_across_edge): Likewise.
12533 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12534 (tree-ssa-threadedge.o): Add dependencies.
12535 * tree-ssa-threadedge.c: New file.
12536 * passes.c (init_optimization_passes): Merge PHIs before
12537 calling VRP. Run VRP again late in the SSA optimization pipeline.
12539 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12541 * df-core.c (df_set_blocks): Do not dereference function pointers.
12542 (df_finish1): Likewise.
12543 (df_hybrid_search_forward): Likewise.
12544 (df_hybrid_search_backward): Likewise.
12545 (df_iterative_dataflow): Likewise.
12546 (df_analyze_problem): Likewise.
12547 (df_compact_blocks): Likewise.
12548 (df_dump): Likewise.
12549 * df-scan.c (df_rescan_blocks): Likewise.
12550 (df_record_entry_block_defs): Likewise.
12552 * genconditions.c (write_conditions): Guard the definition of
12553 'insn_conditions' with the check on GCC version.
12554 (write_writer): Guard the traversal 'insn_conditions' with
12555 the check on GCC version.
12557 2006-02-07 Richard Guenther <rguenther@suse.de>
12561 2006-01-30 Richard Guenther <rguenther@suse.de>
12563 * gimplify.c (gimplify_target_expr): Handle easy cases
12564 without creating a temporary.
12566 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12568 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12569 use of float in probability computations. Use edge probabilities
12570 in place of statically computed probabilities.
12571 (min_spec_prob): New static variable.
12572 (schedule_insns): Initialize it.
12573 (GET_SRC_PROB): Removed.
12574 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12576 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12579 * config/ia64/unwind-ia64.c: Revert last change.
12580 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12581 (INCOMING_FRAME_SP_OFFSET): Define.
12583 2006-02-06 Roger Sayle <roger@eyesopen.com>
12585 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12587 2006-02-07 Ben Elliston <bje@au.ibm.com>
12589 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12590 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12591 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12592 (ix86_return_in_memory): Handle TDmode.
12593 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12594 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12596 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12598 * reorg.c (dbr_schedule): Use dump_file instead of file.
12600 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12603 * config/ia64/predicates.md (extr_len_operand): New predicate.
12604 * config/ia64/ia64.md (extv): Tighten constraints.
12606 (*tbit_and_2): Ditto.
12607 (*tbit_and_3): Ditto.
12608 (*tbit_or_2): Ditto.
12609 (*tbit_or_3): Ditto.
12610 (*bit_zero): Ditto.
12613 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12616 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12618 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12620 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12621 loop_optimizer_init and loop_optimizer_finalize
12622 * tree-ssa-sink.c (execute_sink_code): Ditto.
12623 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12624 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12625 tree_ssa_loop_done): Ditto.
12626 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12627 * sched-ebb.c: Include output.h.
12628 (schedule_ebbs): Do not use dump argument.
12629 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12630 * loop.c (loop_dump_stream): Removed.
12631 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12633 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12634 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12635 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12636 loop_iterations, strength_reduce, record_biv, record_giv,
12637 final_giv_value, check_final_value, check_ext_dependent_givs,
12638 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12639 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12640 dump_file instead of loop_dump_stream.
12641 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12642 argument dump_file.
12643 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12645 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12646 * haifa-sched.c: Include output.h
12647 (schedule_insns, sched_init): Do not use dump argument.
12648 * mode-switching.c (optimize_mode_switching): Ditto.
12649 * modulo-sched.c (stats_file): Removed.
12650 (print_node_sched_params): Do not call argument dump_file.
12651 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12652 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12654 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12656 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12657 rtl_loop_init, rtl_loop_done): Ditto.
12658 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12659 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12661 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12662 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12663 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12664 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12665 * emit-rtl.c (renumber_insns): Ditto.
12666 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12667 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12668 * regclass.c (regclass): Ditto.
12669 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12670 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12671 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12672 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12674 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12675 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12677 * gcse.c (gcse_file, debug_stderr): Removed.
12678 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12679 rest_of_handle_gcse): Do not use dump argument.
12680 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12681 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12682 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12683 compute_code_hoist_vbeinout, compute_code_hoist_data,
12684 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12685 compute_store_table, build_store_vectors, insert_insn_start_bb,
12686 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12687 store_motion): Use dump_file instead of gcse_file.
12688 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12689 * profile.c (profile_dump_file): Removed.
12690 (branch_prob): Use dump_file instead of profile_dump_file.
12691 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12693 * tree-ssa-copy.c (dump_copy_of): Ditto.
12694 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12695 dump file to life_analysis.
12696 * bt-load.c (branch_target_load_optimize): Ditto.
12697 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12699 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12700 regclass, dbr_schedule): Declaration changed.
12701 * sched-int.h (sched_init): Declaration changed.
12702 * tree-profile.c (tree_profile_dump_file): Removed.
12703 (tree_profile_hooks): Removed profile_dump_file hook.
12704 * rtl-profile (rtl_profile_dump_file): Removed.
12705 (rtl_profile_hooks): emoved profile_dump_file hook.
12706 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12708 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12709 * tree-cfg.c (build_tree_cfg): Ditto.
12710 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12711 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12712 Declaration changed.
12713 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12714 life_analysis and schedule_insns.
12715 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12717 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12719 * config/mips/mips.c (mips_reorg): Ditto.
12720 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12723 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12725 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12726 (s390_mangle_fundamental_type): New.
12727 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12730 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12731 (alpha_mangle_fundamental_type): New.
12732 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12735 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12737 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12739 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12740 (sparc_mangle_fundamental_type): New.
12742 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12744 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12745 (s390x-*-linux*): Likewise.
12746 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12747 * config/s390/t-linux: New file.
12749 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12751 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12752 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12754 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12756 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12757 (ANTIC_SAFE_LOADS): New macro.
12758 (find_or_generate_expression): Add prototype.
12759 (set_contains_value): Allow null set for sake of not always having
12760 to allocate ANTIC_SAFE_LOADS.
12761 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12762 Allow COMPONENT_REF too.
12763 (valid_in_set): Allow COMPONENT_REF.
12764 Check ANTIC_SAFE_LOADS too.
12765 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12766 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12768 (can_PRE_operation): Add COMPONENT_REF.
12769 (create_component_ref_by_pieces): New function.
12770 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12771 (insert_aux): Move AGGREGATE_TYPE_P check here.
12772 (compute_avail): Set bb local stmt uids.
12773 (pass_pre): Use TODO_update_ssa_only_virtuals.
12775 2006-02-06 Ben Elliston <bje@au.ibm.com>
12777 * configure.ac: Unconditionally disable decimal float by default.
12778 * configure: Regenerate.
12780 2006-02-06 Ben Elliston <bje@au.ibm.com>
12782 * read-rtl.c (read_name): Terminate reading on EOF.
12784 2006-02-06 Ben Elliston <bje@au.ibm.com>
12786 * dfp.c (decimal_real_arithmetic): Change second argument type
12787 from int to enum tree_code. Do not always return true, but now
12788 return result of any call to decimal_do helper functions.
12789 * dfp.h (decimal_real_arithmetic): Update prototype.
12791 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12793 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12795 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12798 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12801 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12803 * tree-vrp.c (cfg_loops): Removed.
12804 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12805 Use current_loops instead of cfg_loops. Pass flags to
12806 loop_optimizer_init.
12807 * cfgloopmanip.c (fix_loop_structure): Update only available
12809 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12810 loop_optimizer_init.
12811 * modulo-sched.c (build_loops_structure): Removed.
12812 (sms_schedule): Use loop_optimizer_init.
12813 * loop-init.c (loop_optimizer_init): Use flags to determine
12814 which properties of loops to prepare.
12815 (rtl_loop_init): Pass flags to loop_optimizer_init.
12816 * tree-ssa-sink.c (execute_sink_code): Ditto.
12817 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12818 * tree-ssa-pre.c (init_pre): Ditto.
12819 * cfgloop.h (LOOPS_NORMAL): New.
12820 (loop_optimizer_init): Declaration changed.
12822 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12824 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12825 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12827 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12829 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12831 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12832 * pa/t-pa64: Delete quadlib.c rule.
12833 * pa/x-ada: Revert last change.
12834 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12836 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12838 PR rtl-optimization/26087
12839 * rtlanal.c (canonicalize_condition): Do not cross basic block
12842 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12845 * config/ia64/ia64.c: Include debug.h.
12846 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12847 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12848 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12849 (process_epilogue, process_set, process_for_unwind_directive):
12850 Output unwind info only if requested. Add CFA info if requested.
12851 Add new arguments as needed. Adjust callers.
12852 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12854 (DWARF2_FRAME_INFO): Define to zero.
12855 * config/ia64/unwind-ia64.c: Remove code that compensated for
12856 the CFA offset error fixed above.
12857 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12858 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12859 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12860 -funwind-tables and -fexceptions to enable frame info.
12861 (dwarf2out_frame_init): Define initial CFA even if
12862 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12863 DWARF2_UNWIND_INFO is nonzero, not just defined.
12864 (dwarf2out_frame_finish): Output non-EH call frame info only
12865 if DWARF2_FRAME_INFO is nonzero.
12866 (convert_cfa_to_loc_list,
12867 compute_frame_pointer_to_cfa_displacement): Define even if
12868 unwind info is not supported.
12869 (gen_subprogram_die): Use the above unconditionally. Remove
12870 legacy alternate code.
12871 * toplev.c (compile_file): Compile in call to
12872 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12873 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12875 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12876 Jakub Jelinek <jakub@redhat.com>
12878 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12879 IBM extended float format long double as "g" on powerpc*-linux.
12881 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12884 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12885 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12887 2006-02-03 Jason Merrill <jason@redhat.com>
12890 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12892 PR middle-end/25977
12893 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12894 on the return slot if it's an NRV.
12896 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12898 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12899 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12900 rewrite_use): Do not handle USE_OUTER.
12901 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12902 add_iv_outer_candidates, may_replace_final_value,
12903 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12904 (find_interesting_uses_op): Functionality of
12905 find_interesting_uses_outer_or_nonlin moved here.
12906 (find_interesting_uses_outside): Use find_interesting_uses_op.
12908 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12911 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12913 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12914 Ulrich Weigand <uweigand@de.ibm.com>
12917 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12918 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12919 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12920 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12922 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12923 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12924 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12925 Define secondary reloads for TFmode moves.
12926 (constant_modes): Add TFmode.
12927 (NR_C_MODES): Set to 8.
12928 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12930 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12931 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12932 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12933 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12934 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12935 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12936 (FPR mode macro): Add TFmode.
12937 (DSF mode macro): New.
12938 (<de>, <dee> mode attributes): Removed.
12939 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12940 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12941 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12942 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12943 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12944 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12945 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12946 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12947 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12948 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12949 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12950 "*negabs<mode>2", "sqrt<mode>2"):
12951 Changed <de> to <xde>. R constraint replaced by <Rf>.
12952 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12954 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12955 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12956 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12958 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12959 "extenddftf2", "extendsftf2"): New expanders.
12960 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12961 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12962 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12963 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12965 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12966 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12967 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12968 __floatditf): Add a GCC_4.1.0 symbol version tag.
12969 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12972 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12975 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12976 Use targetm.binds_local_p instead of TREE_PUBLIC.
12978 2006-02-02 Roger Sayle <roger@eyesopen.com>
12980 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12981 on INTEGER_TYPEs to indicate that it denotes a character type.
12982 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12983 signed_char_type_node, unsigned_char_type_node and char_type_node.
12984 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12985 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12986 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12988 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12989 Daniel Berlin <dberlin@dberlin.org>
12991 * tree-tailcall.c (arg_needs_copy_p): New function.
12992 (eliminate_tail_call): Use arg_needs_copy_p.
12993 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12994 (add_virtual_phis): New function.
12996 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12998 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12999 #ignore instead of #scratch for %g7 .register directive.
13001 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13003 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13006 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13008 * flow.c (calculate_global_regs_live): Assert that there aren't any
13011 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13013 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13014 what its name says.
13015 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13016 bsi_after_labels iterator.
13017 * tree-if-conv.c (find_phi_replacement_condition,
13018 replace_phi_with_cond_modify_expr): Likewise.
13019 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13020 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13022 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13024 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13026 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13029 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13030 array after growing it.
13032 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13034 PR middle-end/24901
13035 * fold-const.c (fold_checksum_tree): Change type of buf.
13037 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13039 * reload.c (push_secondary_reload): Initialize t_icode.
13041 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13043 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13044 -msoft-float -mlong-double-128 only issue a warning, but don't
13045 swich to DFmode long double.
13047 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13049 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13050 has a constant equivalent, iterate over equivalents for arg0,
13051 calling simplify_relational_operation and if there's a result
13052 cheaper than X, apply fold_rtx and return the result.
13054 2006-02-01 Jan Hubicka <jh@suse.cz>
13056 * opts.c (no_unit_at_a_time_default): New global variable.
13057 (decode_options): Use it.
13058 * opts.h (no_unit_at_a_time_default): Declare.
13060 2006-02-01 Paul Brook <paul@codesourcery.com>
13062 * function.c (assign_parm_setup_reg): Use function argument promotion
13064 * expr.c (expand_expr_real_1): Use function argument promotion rules
13067 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13069 * gcc.c (process_command): Change j to 'unsigned int'.
13071 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13073 PR middle-end/26001
13074 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13075 Use the corrected index for the character
13076 out of the string constant.
13078 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13080 * mode-switching.c (optimize_mode_switching): Fix size
13081 allocated for bb_info[n_entities].
13083 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13085 * gcc.c (main): Correct type that is allocated for
13086 explicit_link_files.
13088 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13090 * config/s390/s390.c (init_alignment_context): Set
13091 ALIAS_SET_MEMORY_BARRIER on the MEM.
13092 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13094 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13096 PR middle-end/25933
13097 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13099 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13102 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13104 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13105 * regrename.c: Ditto.
13106 * tree-ssa-loop-im.c: Ditto.
13107 * tree-dump.c: Ditto.
13108 * tree-complex.c: Ditto.
13109 * genrecog.c: Ditto.
13110 * tree-ssa-threadupdate.c: Ditto.
13112 * java/class.c: Ditto.
13113 * java/jcf-parse.c: Ditto.
13114 * java/resource.c: Ditto.
13115 * java/except.c: Ditto.
13116 * java/jvspec.c: Ditto.
13117 * java/jcf-write.c: Ditto.
13118 * java/jcf-path.c: Ditto.
13119 * java/gjavah.c: Ditto.
13120 * java/zextract.c: Ditto.
13121 * java/jcf-io.c: Ditto.
13122 * java/jcf.h: Ditto.
13123 * java/buffer.c: Ditto.
13124 * java/lang.c: Ditto.
13125 * java/parse-scan.y: Ditto.
13126 * java/lex.c: Ditto.
13127 * java/lex.h: Ditto.
13128 * cfgloopmanip.c: Ditto.
13129 * postreload-gcse.c: Ditto.
13130 * tree-ssa-loop-manip.c: Ditto.
13131 * postreload.c: Ditto.
13132 * tree-ssa-loop-ch.c: Ditto.
13135 * cppspec.c: Ditto.
13136 * diagnostic.c: Ditto.
13138 * genoutput.c: Ditto.
13140 * cfghooks.c: Ditto.
13141 * cfgloopanal.c: Ditto.
13142 * objc/objc-act.c: Ditto.
13144 * genextract.c: Ditto.
13145 * genautomata.c: Ditto.
13146 * pretty-print.c: Ditto.
13147 * genemit.c: Ditto.
13148 * cgraphunit.c: Ditto.
13150 * df-scan.c: Ditto.
13151 * haifa-sched.c: Ditto.
13152 * dominance.c: Ditto.
13154 * tree-ssa-loop-ivopts.c: Ditto.
13155 * df-core.c: Ditto.
13156 * mode-switching.c: Ditto.
13157 * modulo-sched.c: Ditto.
13159 * ipa-pure-const.c: Ditto.
13161 * fix-header.c: Ditto.
13163 * tree-stdarg.c: Ditto.
13164 * ipa-utils.c: Ditto.
13165 * loop-init.c: Ditto.
13166 * ipa-inline.c: Ditto.
13167 * cfganal.c: Ditto.
13169 * alloc-pool.c: Ditto.
13170 * dwarf2out.c: Ditto.
13172 * genattrtab.c: Ditto.
13173 * tree-ssa-loop-ivcanon.c: Ditto.
13174 * predict.c: Ditto.
13175 * timevar.c: Ditto.
13177 * fortran/gfortranspec.c: Ditto.
13178 * regmove.c: Ditto.
13179 * local-alloc.c: Ditto.
13180 * langhooks.c: Ditto.
13181 * function.c: Ditto.
13182 * tree-vectorizer.c: Ditto.
13184 * ipa-type-escape.c: Ditto.
13186 * tree-if-conv.c: Ditto.
13187 * profile.c: Ditto.
13189 * tree-data-ref.c: Ditto.
13190 * loop-unroll.c: Ditto.
13191 * treelang/treetree.c: Ditto.
13193 * bt-load.c: Ditto.
13194 * ggc-common.c: Ditto.
13196 * coverage.c: Ditto.
13198 * tree-cfgcleanup.c: Ditto.
13199 * tree-ssa-pre.c: Ditto.
13200 * cfgcleanup.c: Ditto.
13201 * loop-invariant.c: Ditto.
13202 * loop-iv.c: Ditto.
13203 * ipa-prop.c: Ditto.
13204 * print-tree.c: Ditto.
13205 * conflict.c: Ditto.
13206 * ggc-page.c: Ditto.
13207 * sched-deps.c: Ditto.
13208 * regclass.c: Ditto.
13209 * tree-object-size.c: Ditto.
13210 * combine.c: Ditto.
13211 * bb-reorder.c: Ditto.
13212 * resource.c: Ditto.
13213 * var-tracking.c: Ditto.
13214 * cfgloop.c: Ditto.
13215 * df-problems.c: Ditto.
13216 * reg-stack.c: Ditto.
13218 * gccspec.c: Ditto.
13219 * sched-rgn.c: Ditto.
13220 * tree-ssa-structalias.c: Ditto.
13221 * tree-ssa-reassoc.c: Ditto.
13222 * config/darwin-c.c: Ditto.
13223 * config/darwin.c: Ditto.
13224 * config/arm/arm.c: Ditto.
13226 * collect2.c: Ditto.
13227 * reload1.c: Ditto.
13229 2006-01-31 Nicolas Pitre <nico@cam.org>
13231 * arm.md (smaxsi3): Make aware of smax_m1.
13234 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13236 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13238 2006-01-31 Richard Guenther <rguenther@suse.de>
13240 * doc/invoke.texi (-msselibm): Document.
13241 * target.h (expand_library_builtin): New target hook.
13242 * builtins.c (expand_builtin): Use expand_library_builtin.
13243 (default_expand_library_builtin): New function.
13244 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13245 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13246 (link_gcc_math_spec): Declare.
13247 (static_specs): Add link_gcc_math_spec.
13248 * expr.h (default_expand_library_builtin): Declare.
13249 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13250 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13251 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13252 * config/i386/i386.opt (msselibm): New target option.
13253 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13254 (ix86_init_sse_abi_builtins): New function.
13255 (ix86_expand_library_builtin): Likewise.
13256 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13257 (override_options): Handle error conditions wrt -msselibm.
13258 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13259 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13260 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13263 2006-01-31 Richard Guenther <rguenther@suse.de>
13264 Paolo Bonzini <bonzini@gnu.org>
13266 * doc/install.texi (--disable-libgcc-math): Document.
13268 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13270 * expr.h (expand_normal): new inline function.
13271 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13272 * dojump.c: use it.
13273 * dwarf2out.c: use it.
13276 * expmed.c: use it.
13277 * except.c: use it.
13278 * config/sparc/sparc.c: use it.
13279 * config/i386/i386.c: use it.
13280 * config/rs6000/rs6000.c: use it.
13281 * config/arm/arm.c: use it.
13282 * config/mips/mips.c: use it.
13283 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13285 2006-01-30 Roger Sayle <roger@eyesopen.com>
13287 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13288 argv to the appropriate type.
13290 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13292 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13295 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13298 * config/s390/s390.c (struct machine_function): New flag
13299 decomposed_literal_pool_addresses_ok_p.
13300 (s390_reorg): Set it before final stage of literal pool transforms.
13301 (s390_decompose_address): Only accept displacements of the form
13302 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13304 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13306 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13307 the comparison routine return.
13309 2006-01-30 Michael Matz <matz@suse.de>
13311 * global.c (find_reg): Only evict for global regs.
13312 Take n_refs into account and dump more info.
13314 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13317 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13318 (pragma_trap, pragma_nosave_low_regs): Likewise.
13319 (current_function_anonymous_args): Likewise.
13320 (sh_deferred_function_attributes): New variable.
13321 (sh_deferred_function_attributes_tail): Likewise.
13322 (print_operand): For '@', look up trap_exit attribute.
13323 (calc_live_regs): Look up trapa_handler attribute. For trapa
13324 handlers, save/restore fpscr, but don't do any other
13325 interrupt-specific saves.
13326 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13327 Fix check for partially saved registers to check for SHmedia.
13328 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13329 (sh_output_function_epilogue): Don't clear any of the removed
13331 (sh_insert_attributes): Don't check pragma_interrupt.
13332 Insert deferred attributes. Check that interrupt attribute is
13333 present for other attributes that require its presence.
13334 (sh_attribute_table): Add new attributes trapa_handler and
13336 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13337 Don't check for pragma_interrupt. Don't store argument.
13338 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13339 (sh_deferred_function_attributes): Declare.
13340 (sh_deferred_function_attributes_tail): Likewise.
13341 * sh.md (sp_switch_1): Add operand. Change generator caller.
13342 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13343 (*return_i): Don't use when trap_exit attribute is in effect.
13344 (*return_trapa): New insn pattern.
13345 * sh-c.c: New file.
13346 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13347 setting c_target_objs and cxx_target_objs.
13348 * t-sh: Add rule for sh-c.o.
13350 2006-01-30 Richard Guenther <rguenther@suse.de>
13353 * gimplify.c (gimplify_target_expr): Handle easy cases
13354 without creating a temporary.
13356 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13358 * vec.h (safe_grow): Remove duplicated line.
13360 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13363 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13364 (expand_omp): ... here.
13365 (expand_omp_parallel): Only remove barriers for combined
13366 parallel+workshare constructs.
13368 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13372 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13373 * tree.c (build_qualified_type): Chain the new type to the original
13374 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13375 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13376 (build_pointer_type_for_mode): Only return unqualified types.
13377 (build_reference_type_for_mode): Likewise.
13379 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13381 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13382 * Makefile.in (CXX_COMPAT_WARN): Define.
13383 * configure: Regenerate.
13385 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13388 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13391 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13393 * toplev.c: Fix thinko.
13395 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13396 Marcin Dalecki <martin@dalecki.de>
13398 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13399 (push_srcloc): Use XNEW.
13400 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13402 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13404 * df-core.c (df_set_blocks): Deleted all variable.
13406 2006-01-28 Ian Lance Taylor <ian@airs.com>
13408 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13409 cgraph_output_pending_asms.
13411 2006-01-28 Zack Weinberg <zackw@panix.com>
13413 * c.opt: Add -W(no-)overlength-strings.
13414 * doc/invoke.texi: Document it.
13415 * c-opts.c (c_common_handle_option): -pedantic implies
13416 -Woverlength-strings, if not explicitly disabled already.
13417 (c_common_post_options): -Woverlength-strings defaults to off, and
13418 is always off for C++.
13419 * c-common.c (fix_string_type): Issue warning about strings longer
13420 than is portable only if warn_overlength_strings. Rearrange code
13421 a little for clarity.
13422 * configure.in: Check for -Wno-overlength-strings as well before
13423 enabling -pedantic in stage 1.
13424 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13425 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13427 * genconditions.c (write_header, write_one_condition)
13428 (write_conditions, write_writer): Consolidate very long strings
13429 that were broken up to fit in C89 portable limit. Don't use
13430 printf when fputs will do.
13432 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13434 * combine.c (simplify_comparison <AND>): Check
13435 TRULY_NOOP_TRUNCATION before start using a subreg.
13437 * config/mips/mips.md (*branch_zero<mode>,
13438 *branch_zero<mode>_inverted, *branch_equality<mode>,
13439 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13440 Remove mode check from comparisons.
13442 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13444 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13446 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13448 * expmed.c (const_mult_add_overflow_p): Remove.
13449 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13451 * recog.c (validate_replace_rtx_subexp): Remove.
13452 * recog.h: Remove the prototype for
13453 validate_replace_rtx_subexp.
13455 * integrate.h: Remove the prototype for
13456 copy_decl_for_inlining.
13457 * rtl.h: Remove the prototype for mark_constant_function.
13458 * tree-vectorizer.h: Remove the prototype for
13459 vect_strip_conversion.
13461 * modulo-sched.c (create_partial_schedule,
13462 free_partial_schedule, reset_partial_schedule): Make them
13465 * hooks.c (hook_bool_rtx_int_false): Remove.
13466 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13468 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13470 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13471 and -mlong-double-128 are incompatible.
13472 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13473 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13474 (TARGET_LIBGCC2_CFLAGS): Define.
13475 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13476 (TARGET_LIBGCC2_CFLAGS): Same.
13477 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13479 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13482 * c-typeck.c (build_binary_op): Perform implicit casts of
13483 operands before shortening them.
13485 * cfgloopmanip.c (split_loop_bb): Remove.
13486 * cfgloop.h: Remove the prototype for split_loop_bb.
13488 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13489 * cfgloop.h: Remove the prototype for
13490 flow_loop_outside_edge_p.
13492 * emit-rtl.c (init_virtual_regs): Make it static.
13493 * function.h: Remove the prototype for init_virtual_regs.
13495 * recog.c (peephole2_optimize): Make it static.
13496 * recog.h: Remove the prototype for peephole2_optimize.
13498 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13500 * df-scan.c (df_record_entry_block_defs): Check if
13501 INCOMING_RETURN_ADDR_RTX is defined.
13503 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13504 Kenneth Zadeck <zadeck@naturalbridge.com>
13506 PR rtl-optimization/24762
13507 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13508 * targhooks.c (hook_void_bitmap): New hook prototype.
13509 * targhoohs.h (hook_void_bitmap): Ditto.
13510 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13511 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13512 * target.h (live_on_entry): New function pointer.
13513 * df-scan.c (df_all_hard_regs): Removed.
13514 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13515 (df_scan_free_internal): Added df->entry_block_defs.
13516 (df_scan_alloc): Ditto.
13517 (df_scan_dump): Ditto.
13518 (df_uses_record): Plumbed flag field properly thru calls.
13519 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13520 This part fixes PR24762.
13521 (df_bb_refs_record): Added code to make the frame and arg
13522 pointers live in EH blocks.
13523 (df_refs_record): Added call to df_record_entry_block_defs.
13524 (df_record_entry_block_defs): New function.
13525 * df-core.c: Added comments to describe new artifical defs.
13526 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13527 (entry_block_defs): New field in struct df.
13528 (df_all_hard_regs): Deleted.
13529 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13530 * df-problems.c (df_ru_bb_local_compute_process_def):
13531 Added code to handle artifical defs in the entry to a function.
13532 (df_ru_bb_local_compute): Ditto.
13533 (df_rd_bb_local_compute_process_def): Ditto.
13534 (df_rd_bb_local_compute): Ditto.
13535 (df_lr_bb_local_compute): Ditto.
13536 (df_ur_bb_local_compute): Ditto.
13537 (df_urec_bb_local_compute): Ditto.
13538 (df_chain_create_bb): Ditto.
13539 (df_ur_local_finalize): Removed entry.
13540 (df_urec_init): Ditto.
13541 (df_urec_local_finalize): Ditto.
13542 (df_ri_bb_compute): Added detection of last use of pseudos.
13543 * Makefile.in (df-scan.o): Updated dependencies.
13544 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13545 * config/mips/mips.c (mips_set_live_on_entry): Added.
13546 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13548 * dce.c (marked_insn_p): Added code to handle artifical defs.
13550 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13552 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13554 (_mm_cvtsi128_si64): Likewise.
13555 (_mm_cvtsd_si64): Likewise.
13556 (_mm_cvttsd_si64): Likewise.
13557 (_mm_cvtsi64_sd): Likewise.
13558 (_mm_cvtsi64_si128): Likewise.
13559 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13560 (_mm_cvtsi64_m64): Likewise.
13561 (_m_to_int64): Likewise.
13562 (_mm_cvtm64_si64): Likewise.
13563 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13564 (_mm_cvttss_si64): Likewise.
13565 (_mm_cvtsi64_ss): Likewise.
13566 (_mm_cvtss_f32): Likewise.
13568 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13570 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13571 for pragma redefine_extname.
13573 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13576 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13577 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13578 -mno-minimal-toc to previous content.
13579 (bispecs): Remove goal.
13580 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13581 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13582 compatibility aliases on powerpc-*-*gnu*.
13583 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13584 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13585 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13586 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13587 (ldblspecs): New goal.
13588 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13589 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13591 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13592 L_sf_to_tf or L_df_to_tf is defined.
13594 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13595 Alan Modra <amodra@bigpond.net.au>
13598 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13599 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13600 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13601 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13602 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13603 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13604 (rs6000_override_options): Initialize rs6000_ieeequad.
13605 Initialize TFmode format to ibm_extended_format if not
13607 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13609 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13610 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13611 (function_arg_advance): IBM long double passed in two FPRs, not
13613 (function_arg): IBM long double passed in FPRs.
13614 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13615 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13616 Only multireg GPR aligned.
13617 (rs6000_init_libfuncs): Enable IBM long double functions if not
13619 (rs6000_generate_compare): Use IBM long double compare if not
13621 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13622 (TARGET_IEEEQUAD): Define.
13623 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13624 not TARGET_IEEEQUAD.
13625 * config/rs6000/rs6000.md: Enable TFmode patterns if
13627 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13628 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13629 and -mlong-double-128 are incompatible.
13630 * doc/invoke.texi (-mabi): Collect options together. Add
13631 ibmlongdouble and ieeelongdouble.
13633 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13635 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13637 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13638 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13639 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13640 * rtl.h (rtunion_def): Remove rt_ptr.
13642 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13643 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13644 * config/i386/winnt.c (i386_pe_mark_dllexport)
13645 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13647 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13649 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13651 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13655 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13656 pthread_key_delete. From John David Anglin. gthrw-ify
13657 pthread_getunique_np only if it it's not a macro. Delete
13659 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13660 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13661 __gthread_objc_condition_signal, __gthread_key_delete): Add
13662 "__attribute__ ((__unused__))" to unused arguments.
13663 (__gthread_recursive_mutex_init_function): Add missing return.
13664 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13665 gthr-posix95.h: Use macro-based approach for name redirection
13666 on targets missing weakref.
13668 2006-01-26 Zack Weinberg <zackw@panix.com>
13670 * genconditions.c (write_header): In generated code, #ifdef out
13671 all includes and fake declarations, except includes of bconfig.h
13672 and system.h, unless GCC_VERSION >= 3001. Do not include
13673 gensupport.h in any case.
13674 (write_conditions): Generate a definition of struct c_test. Add
13675 a comment to the generated #endif.
13676 (write_one_condition): Escape backslashes in string too.
13677 (write_writer): Generated code must escape backslashes and quote
13678 marks (but not newlines) in the strings it writes.
13679 * Makefile.in (build/gencondmd.o): Update dependencies.
13681 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13684 * Makefile.in (insn-automata.o): Add header file dependencies.
13685 * genautomata.c: Add includes.
13687 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13690 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13692 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13694 * configure.ac: Expect target tools paths to be passed from the toplevel
13695 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13697 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13699 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13702 * c.opt (Wpointer-sign): Init to -1.
13703 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13704 OPT_pedantic, to 0 otherwise.
13705 * doc/invoke.texi: Update.
13707 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13709 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13710 constants provided by 80387 instructions in the destination mode.
13712 2006-01-26 Richard Guenther <rguenther@suse.de>
13713 Andrew Pinski <pinskia@physics.uc.edu>
13716 partial PR tree-opt/17064
13717 * tree-ssa-structalias.c (intra_create_variable_infos):
13718 Create heap variables for incoming parameters if
13719 flag_argument_noalias > 1.
13720 (find_what_p_points_to): Look through default defs of
13723 2006-01-26 Jeff Law <law@redhat.com>
13726 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13727 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13728 within the VR_RANGE, use the VR_RANGE as the result, not the
13730 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13731 bounds for the type.
13733 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13735 * tree-ssa-alias.c (maybe_create_global_var): Change
13736 subvar walking to an assertion that we don't have subvar'd variables.
13738 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13741 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13742 Use a new variable, inner. PARM_DECLs are always non-weak.
13744 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13746 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13747 --disable-checking.
13749 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13751 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13753 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13755 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13756 (smax_insn, smin_insn, smax_0, smin_0): New.
13758 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13761 * config/cris/cris.c (cris_order_for_addsi3): New function.
13762 * config/cris/cris-protos.h: Prototype it.
13763 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13764 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13765 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13766 (split for "op.S1 [rx=rx+i],ry (swapped)")
13767 (split for "op(s|u).S1 [rx=rx+i],ry")
13768 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13769 Apply cris_order_for_addsi3 when generating addsi3 insns.
13771 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13773 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13774 (TREE_BLOCK): Add call to EXPR_CHECK.
13776 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13779 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13780 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13781 (dump_omp_clauses): ... here.
13782 (dump_generic_node): Handle OMP_CLAUSE.
13783 * tree.c (omp_clause_num_ops): New.
13784 (omp_clause_code_name): New.
13785 (tree_code_size): Handle OMP_CLAUSE.
13786 (tree_size): Likewise.
13787 (make_node): Document handling of OMP_CLAUSE.
13788 (tree_node_structure): Handle OMP_CLAUSE.
13789 (omp_clause_check_failed): New.
13790 (omp_clause_range_check_failed): New.
13791 (omp_clause_operand_check_failed): New.
13792 (build_omp_clause): New.
13793 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13794 * tree.h (enum omp_clause_code): Declare.
13795 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13796 (OMP_CLAUSE_RANGE_CHECK): Define.
13797 (OMP_CLAUSE_ELT_CHECK): Define.
13798 (omp_clause_check_failed): Declare.
13799 (omp_clause_operand_check_failed): Declare.
13800 (omp_clause_range_check_failed): Declare.
13801 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13802 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13803 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13804 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13805 (OMP_CLAUSE_IF_EXPR): Likewise.
13806 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13807 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13808 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13809 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13810 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13811 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13812 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13813 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13814 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13815 (OMP_CLAUSE_CODE): Define.
13816 (OMP_CLAUSE_SET_CODE): Define.
13817 (OMP_CLAUSE_CODE): Define.
13818 (OMP_CLAUSE_OPERAND): Define.
13819 (struct tree_omp_clause): Declare.
13820 (union tree_node): Add field 'omp_clause'.
13821 * treestruct.def (TS_OMP_CLAUSE): Define.
13822 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13823 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13824 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13825 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13826 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13827 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13828 (OMP_CLAUSE): Define.
13829 * print-tree.c (print_node): Handle OMP_CLAUSE.
13830 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13831 * c-typeck.c: Likewise.
13832 * gimplify.c: Likewise.
13833 * c-omp.c: Likewise.
13834 * tree-nested.c: Likewise.
13835 * tree-inline.c: Likewise.
13836 * c-parser.c: Likewise.
13837 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13840 2006-01-25 Roger Sayle <roger@eyesopen.com>
13842 PR rtl-optimization/25703
13843 * combine.c (try_combine): Handle zero_extract and strict_low_part
13844 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13846 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13848 * global.c: Fix comment typos.
13850 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13853 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13854 Use output_addr_const instead of assemble_name.
13856 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13858 * Makefile.in (sched-vis.o): Update dependencies.
13859 * haifa-sched.c (sched_finish): Clear current_sched_info.
13860 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13861 (dump_flow_info): Call it.
13862 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13864 * basic-block.h (dump_bb_info): Declare.
13865 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13866 option, and apply options only for dump files whose TDF_RTL,
13867 TDF_TREE, or TDF_IPA bits match.
13868 * rtl.h: Declare new functions exported from sched-vis.c.
13869 * sched-vis.c: Enable also if scheduling is not used.
13870 (print_value): Print the mode of registers if not inside scheduling.
13871 (print_insn): Make it work outside the scheduler. Beautify the output
13873 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13875 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13877 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13878 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13879 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13880 depending on the value of CONSTANT_POOL_ADDRESS_P.
13881 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13883 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13884 rather than SYMBOL_REF_DECL.
13885 (rtx_constant_pool): Remove const_rtx_sym_htab.
13886 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13887 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13888 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13889 Remove handling of const_rtx_sym_htab.
13890 (find_pool_constant): Delete.
13891 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13892 rather than find_pool_constant.
13893 (get_pool_constant_for_function): Delete.
13894 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13895 find_pool_constant.
13896 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13897 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13898 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13899 (SYMBOL_REF_CONSTANT): New macro.
13900 (get_pool_constant_for_function): Delete.
13901 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13902 rather than SYMBOL_REF_DECL.
13903 (i386_pe_mark_dllimport): Likewise.
13904 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13905 rather than SYMBOL_REF_DECL.
13906 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13907 (machopic_indirect_call_target): Likewise.
13909 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13911 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13913 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13915 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13917 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13919 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13921 2006-01-24 David Daney <ddaney@avtrex.com>
13924 * configure.ac (enable_tls): New enable option.
13925 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13926 * configure: Regenerate.
13927 * doc/install.texi (--enable-tls): Document new option.
13928 (--disable-tls): Ditto.
13930 2006-01-24 Richard Henderson <rth@redehat.com>
13932 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13933 * alias.c (true_dependence): Respect it.
13934 (canon_true_dependence, write_dependence_p): Likewise.
13935 * builtins.c (get_builtin_sync_mem): Set it.
13937 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13939 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13942 2006-01-24 DJ Delorie <dj@redhat.com>
13944 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13945 for storing constants in single-bit bitfields.
13947 2006-01-25 Ben Elliston <bje@au.ibm.com>
13949 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13951 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13954 * tree-ssa-pre.c (phi_translate): Return NULL
13955 for AGGREGATE_TYPE's.
13957 2006-01-24 Zack Weinberg <zackw@panix.com>
13959 * genautomata.c (process_state_for_insn_equiv_partition):
13960 Use xcalloc for insn_arcs_array.
13961 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13962 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13964 2006-01-24 Richard Henderson <rth@redhat.com>
13966 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13967 update all callers.
13969 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13971 PR rtl-optimization/25890
13972 PR rtl-optimization/25905
13973 * combine.c (expand_compound_operation, expand_field_assignment):
13974 Fail if the bitfield's final position is out of bounds.
13976 2006-01-24 Ian Lance Taylor <ian@airs.com>
13978 PR middle-end/25930
13979 * cgraphunit.c (cgraph_output_in_order): Don't clear
13980 cgraph_asm_nodes until after asm strings have been output.
13982 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13984 * fix-header.c (read_scan_file): Add new parameter imultilib when
13985 calling register_include_chains.
13987 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13989 * omp-low.c: Update documentation.
13991 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13992 Daniel Berlin <dberlin@dberlin.org>
13996 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13997 return from the function.
13999 2006-01-22 Zack Weinberg <zackw@panix.com>
14001 * rtl.def (match_code): Add second argument.
14002 * genpreds.c (write_extract_subexp): New function.
14003 (write_match_code): Add path argument. Use write_extract_subexp.
14004 (write_predicate_expr): Pass path to write_match_code.
14005 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14006 not perform a mode test.
14007 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14008 a subexpression does not constrain the top-level code set.
14009 * read-rtl.c (read_rtx_variadic): New function.
14010 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14011 * doc/md.texi: Document new notation.
14012 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14013 (cmpsi_operand): ... here, using new notation.
14015 2006-01-22 Zack Weinberg <zackw@panix.com>
14017 * varray.c: Remove GENERATOR_FILE #ifdefs.
14019 2006-01-22 Zack Weinberg <zackw@panix.com>
14021 * genautomata.c (output_reserved_units_table): Emit nothing if
14022 description->query_units_num is zero. Remove extra blank line.
14023 (output_cpu_unit_reservation_p): Short circuit
14024 if description->query_units_num is zero.
14026 2006-01-22 Zack Weinberg <zackw@panix.com>
14028 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14029 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14030 nor any of the random handful of variables that used to be necessary
14031 when this program was linked with rtlanal.o. Prune set of forward
14032 function declarations.
14033 (struct attr_desc): Remove static_p field.
14034 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14035 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14036 (attr_string): Do not read the character one past the length of
14038 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14039 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14040 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14041 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14042 (make_automaton_attrs): New.
14043 (main): Do not call into genautomata. Call local gen_bypass
14044 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14045 Remove special case for insn_alts.
14046 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14047 varray.h (leftover from previous change). Prune set of forward
14048 function declarations. Remove state_alts fields from all
14049 structures. Remove state_alts_table from struct automaton.
14050 Make everything except main static. Do not maintain num_dfa_decls.
14051 Do not maintain state_alts fields of various structures.
14052 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14053 (add_arc): Remove state_alts argument. All callers updated.
14054 (output_reserved_units_table): Emit #ifdef here...
14055 (output_tables): ...not here. Don't generate state_alts tables.
14056 (expand_automata): Don't generate attributes.
14057 (write_automata): Don't generate state_alts functions.
14058 (main): New function.
14059 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14060 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14061 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14062 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14063 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14064 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14065 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14066 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14068 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14069 * genattrtab.h: Delete file.
14070 * Makefile.in (OBJS-common): Add insn-automata.o.
14071 (insn-automata.o): New rule.
14072 (simple_generated_c): Add insn-automata.c.
14073 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14074 (genprogmd): Add automata.
14075 (build/genattrtab): Needs no extra objects nor libraries.
14076 (build/genautomata): Needs build/vec.o and -lm.
14078 2006-01-22 Zack Weinberg <zackw@panix.com>
14080 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14081 (output_dfa_max_issue_rate, locked_states_num): Delete.
14082 (struct automaton): Add locked_states field.
14083 (output_dead_lock_vect): Save number of locked states in
14084 automaton->locked_states. If it is zero, don't print anything.
14085 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14086 (output_internal_dead_lock_func): Only test the dead_lock_vect
14087 for automata that have locked states.
14088 (output_statistics): Always print the number of locked states for
14089 each automaton. Calculate total number of locked states here.
14090 (write_automata): Don't call output_dfa_max_issue_rate.
14091 * genattrtab.c: Define length_unit_log as a const variable.
14092 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14093 max_insn_queue_index const.
14094 * final.c (length_unit_log): Declare const.
14095 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14097 2006-01-22 Zack Weinberg <zackw@panix.com>
14099 * genautomata.c: Include vec.h, not varray.h.
14100 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14101 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14102 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14103 VEC_* macros operating on appropriately typed vectors, or to
14104 malloced arrays when the size is known in advance. Const-ify
14105 many char* variables and function arguments. No functional changes.
14106 * Makefile.in (build/varray.o): Delete rule.
14107 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14108 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14110 2006-01-22 Zack Weinberg <zackw@panix.com>
14112 * gensupport.c: Define get_insn_name and record_insn_name here.
14113 (read_md_rtx): Call record_insn_name as appropriate.
14114 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14115 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14116 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14118 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14119 (BUILD_VARRAY): Delete.
14120 (genprognormal): Rename genprogmd. Fold in all programs from
14121 genprognoprint; also attrtab.
14122 (build/genattrtab): Just mention genautomata.o and varray.o.
14123 Reorganize a bit, add comments to make the categories clearer.
14125 2006-01-22 Zack Weinberg <zackw@panix.com>
14127 * genconditions.c (condition_table, add_condition): Delete.
14128 (write_conditions): Don't emit n_insn_conditions nor
14129 insn_elision_unavailable. Issue the gcc version #ifdef here,
14130 inside the table, with no #else clause ...
14131 (write_header): ...not here.
14132 (write_writer): New function.
14133 (main): Don't initialize condition_table. Use add_c_test.
14135 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14136 files on the command line.
14137 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14138 Return -1 if there is no entry in the table, don't abort.
14139 (add_c_test, traverse_c_tests): New functions.
14140 * gensupport.h (insn_elision_unavailable, insn_conditions)
14141 (n_insn_conditions): Delete declarations.
14142 (add_c_test, traverse_c_tests): Declare.
14143 * read-rtl.c: Include gensupport.h.
14144 (read_conditions): New function.
14145 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14146 (read_rtx_1): If we get EOF when we were looking for an initial
14147 open paren, return 0. Call read_conditions when appropriate.
14148 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14149 dummy-conditions.o. Eliminate references to insn-conditions.o,
14150 or change them to build/gencondmd.o, as appropriate. Remove
14151 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14152 from $(simple_generated_c). For all files remaining in those
14153 two lists, add insn-conditions.md to the generator command line.
14154 Give insn-constants.h/s-constants their own rules. Add rules
14155 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14156 (build/read-rtl.o): Depend on gensupport.h.
14157 (genprognormal): Include preds.
14158 (genprogearly): Rename genprognoprint; only difference is now that
14159 they don't link with $(BUILD_PRINT).
14160 * dummy-conditions.c: Delete.
14162 2006-01-22 Zack Weinberg <zackw@panix.com>
14164 * genextract.c: Don't include insn-config.h. Do include vec.h.
14165 Declare vectors of int, char, and locstr.
14166 (locstr): New typedef.
14167 (struct extraction): Make all array fields into bare pointers.
14168 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14169 (insn_code_number): Delete.
14170 (accum_extract): New struct.
14171 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14172 (gen_insn): Take insn_code_number as an argument. Use an
14173 accum_extract structure instead of loading data directly into
14174 a struct extraction, and having to know how big it might get.
14175 (walk_rtx): Operate entirely on an accum_extract structure.
14176 (print_path): Avoid unnecessary use of printf.
14177 (print_header): New function, split out of main. Distinguish
14178 more carefully between an unrecognizable insn and an insn that
14179 has the code number of a define_expand.
14180 (main): Pass insn_code_number to gen_insn. Call print_header
14181 only after parsing. Avoid unnecessary use of printf.
14182 * Makefile.in (build/vec.o): New rule.
14183 (build/genextract): Depend on build/vec.o.
14184 (build/genextract.o): Don't depend on insn-config.h.
14186 2006-01-22 Zack Weinberg <zackw@panix.com>
14188 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14189 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14190 practical. Eliminate per-generator-program link rules.
14192 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14194 PR middle-end/24437
14195 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14196 with a call expr to ...
14197 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14199 2006-01-23 Richard Guenther <rguenther@suse.de>
14201 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14202 before make_edge with conditional EDGE_TRUE_VALUE.
14204 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14205 Jan Hubicka <jh@suse.cz>
14206 Richard Guenther <rguenther@suse.de>
14208 PR rtl-optimization/25654
14209 * cfgexpand.c (aggregate_contains_union_type): New function.
14210 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14211 for structure variables that contain a union type.
14213 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14215 * gengtype.c (new_structure): Return the structure.
14216 (create_option): Add an extra "next" argument.
14217 (create_field): New function.
14218 (adjust_field_rtx_def): Use create_option and create_field.
14219 Remove a now-unnecessary call to find_structure.
14220 (adjust_field_tree_def): Likewise.
14221 (note_yacc_type): Remove an unnecessary call to find_structure.
14222 * gengtype.h (new_structure): Return the structure.
14223 (create_option): Add an extra argument.
14224 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14225 (option): Adjust calls to create_option.
14227 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14229 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14231 2006-01-22 Paul Brook <paul@codesourcery.com>
14232 Peter Barada <peter@the-baradas.com>
14234 * config/m68k/m68k.md: Add Coldfire FPU support.
14235 Define FP mode macro and associated attributes.
14236 Use it for float mode patterns.
14237 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14238 (LIBCALL_VALUE): Use m68k_libcall_value.
14239 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14240 (m68k_function_value): Ditto.
14241 (emit_move_sequence): Ditto.
14242 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14243 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14244 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14245 (MULTILIB_EXCEPTIONS): Ditto.
14246 * config/m68k/m68k.opt: Add mcfv4e.
14247 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14248 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14249 (m68k_output_function_prologue): Save ColdFire FPU registers.
14250 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14251 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14252 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14253 ColdFire FPU registers.
14254 (m68k_libcall_value, m68k_function_value): New functions.
14255 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14256 (LIBCALL_VALUE): Use m68k_libcall_value.
14257 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14258 (MASK_COLDFIRE): Add MASK_CFV4E.
14259 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14260 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14261 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14262 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14263 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14264 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14265 * doc/invoke.tex: Document -mcfv4e on m68k.
14267 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14269 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14272 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14275 * c-opts.c (c_common_handle_option): Don't include
14276 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14277 * doc/invoke.texi (C++ Dialect Options): Document that
14278 -Wnon-virtual-dtor is no longer included in -Wall.
14280 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14282 * gcov.c (print_version), gcov-dump.c (print_version),
14283 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14286 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14288 * df-scan.c (problem_SCAN): Added NULL reset function.
14289 (df_scan_reset_blocks): Added code to call reset block function
14290 (df_bb_refs_delete) Fixed comment.
14291 (df_insn_refs_delete): Made tolerant of deleting non existent info
14292 for dataflow problems that need to be reset.
14293 * df-core.c (df_set_blocks): Ditto.
14294 * df.h (struct df_problem): Added reset_fun.
14295 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14296 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14297 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14298 functions to clear out all references to def-use or use-def chains.
14300 2006-01-21 Ben Elliston <bje@au.ibm.com>
14302 * varasm.c (assemble_real): Initialise data array.
14304 2006-01-20 Paul Brook <paul@codesourcery.com>
14306 Merge from csl-arm-branch.
14307 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14308 * config/arm/arm.md (movdi): Force operands[1] to a register
14309 if we have a non-register source.
14310 (*arm_movdi, *movdf_soft_insn): Require that one of the
14311 operands be a register.
14312 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14313 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14315 2006-01-20 DJ Delorie <dj@redhat.com>
14317 * varasm.c (initializer_constant_valid_p): Allow pointers
14318 initialized from integer constants of lesser precision.
14319 (output_constant): Allow non-int-sized pointer modes to be
14320 initialized from integer constants.
14322 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14325 * cppdefault.h (struct default_include): Add multilib flag.
14326 * cppdefault.c (cpp_include_defaults): Set it.
14327 * c.opt (-imultilib): New option.
14328 * c-opts.c (imultilib): New.
14329 (c_common_handle_option): Handle -imultilib.
14330 (c_common_post_options): Likewise.
14331 * c-incpath.c (add_standard_paths, register_include_chains):
14333 * c-incpath.h (register_include_chains): Add extra parameter.
14334 * gcc.c (do_spec_1): Generate -imultilib option.
14335 (The Specs Language): Update %I description.
14336 (process_command): Update copyright notice.
14337 * doc/cppopts.texi (-imultilib): Document.
14338 * doc/invoke.texi (-imultilib): Include in option summary.
14339 (%I): Update specs documentation.
14341 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14343 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14345 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14347 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14350 2006-01-20 Richard Guenther <rguenther@suse.de>
14351 Steven Bosscher <stevenb.gcc@gmail.com>
14353 PR rtl-optimization/24626
14354 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14355 EDGE_TRUE_VALUE if in RTL mode.
14358 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14359 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14361 2006-01-20 Dirk Mueller <dmueller@suse.com>
14364 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14365 instead of a special NOP marker.
14366 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14367 NOP marker handling.
14368 * c-common.h (empty_body_warning): Add forward declaration.
14369 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14370 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14372 2006-01-20 Paul Brook <paul@codesourcery.com>
14374 * Makefile.in (lang_checks): Keep going if mkdir fails.
14376 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14378 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14379 be able to clean out basic block when not necessary.
14380 (df_scan_free): Fixed to properly delete information if df is
14381 unused before calling df_finish.
14382 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14383 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14385 (df_bb_refs_delete): New function.
14386 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14387 * df-core.c (df_set_blocks): Added code to properly clean out
14388 unused blocks if they are not part of the blocks to consider.
14389 Added additional null check.
14390 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14391 be able to clean out basic block when not necessary
14392 * df.h (df_free_bb_function): Ditto.
14393 (df_bb_refs_delete): New function.
14394 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14395 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14396 basic block parameter to be able to clean out basic block when not
14398 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14399 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14400 Fixed to properly delete information if df is unused before
14403 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14405 PR rtl-optimization/25799
14406 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14407 Corrected confluence operator to remove bits from op2 before oring
14408 with op1 rather than removing bits from op1.
14409 (df_ru_transfer_function): Corrected test on wrong bitmap which
14410 caused infinite loop. Both of these problems were introduced in
14411 the dataflow rewrite.
14413 2006-01-19 DJ Delorie <dj@redhat.com>
14415 * reload1.c (find_reload_regs): Note the details of reload
14416 failures in the dump file.
14417 (spill_failure): Likewise.
14419 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14421 * loop-iv.c: Include df.h and hashtab.h.
14422 (enum iv_grd_result): New enum.
14423 (DF_REF_IV, DF_REF_IV_SET): New macros.
14424 (struct biv_entry): New.
14425 (df, bivs): New global variables.
14426 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14427 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14429 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14430 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14431 analyzed_for_bivness_p, record_biv): New functions.
14432 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14433 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14434 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14436 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14438 (iv_number_of_iterations): Use new interface to iv analysis.
14439 * loop-unroll.c: Do not include varray.h.
14440 (analyze_iv_to_split_insn): Use new interface to iv
14442 * loop-unswitch.c (may_unswitch_on): Ditto.
14443 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14445 (df_bb_modify): Realloc tables to the new index.
14446 (df_find_use): New function.
14447 * df.h (df_find_use): Declare.
14448 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14450 * cfgloop.h (struct rtx_iv): Remove analysed field.
14451 (iv_get_reaching_def): Removed.
14452 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14453 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14454 (loop-iv.o): Add df.h and hashtab.h dependency.
14455 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14457 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14460 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14462 (__floatundisf, __floatundidf): Likewise.
14463 * libgcc2.h (IS_IBM_EXTENDED): Define.
14465 2006-01-19 DJ Delorie <dj@redhat.com>
14467 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14469 2006-01-19 Paul Brook <paul@codesourcery.com>
14471 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14472 as nothrow when unwinding tables are disabled.
14474 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14477 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14478 of bit-field" when in system header.
14480 2006-01-19 DJ Delorie <dj@redhat.com>
14482 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14483 the 16 bit shift limit of the m16c.
14485 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14488 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14489 * config/i386/i386.c (output_set_got): Output the label if we have one
14490 for the TARGET_DEEP_BRANCH_PREDICTION case.
14492 2006-01-19 Jan Hubicka <jh@suse.cz>
14493 H.J. Lu <hongjiu.lu@intel.com>
14494 Evandro Menezes <evandro.menezes@amd.com>
14496 * invoke.texi (generic): Document
14498 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14499 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14500 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14501 (x86_use_incdec, x86_pad_returns): New variables
14502 (TARGET_CPU_DEFAULT_generic): New constant
14503 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14504 (enum processor_type): Add generic32 and generic64.
14505 * i386.md (cpu attribute): Add generic32/generic64
14506 (movhi splitter): Behave sanely when both partial_reg_dependency and
14507 partial_reg_stall are set.
14508 (K8 splitters): Enable for generic as well.
14509 * predicates.md (incdec_operand): Use TARGET_INCDEC
14510 (aligned_operand): Avoid memory mismatch stalls.
14511 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14512 * ppro.md: Enable for generic32
14513 * i386.c (generic64_cost, generic32_cost): New.
14514 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14515 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14516 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14517 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14518 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14519 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14520 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14521 x86_accumulate_outgoing_args, x86_prologue_using_move,
14522 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14523 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14524 Enable for generic.
14525 (x86_use_incdec, x86_pad_returns): New.
14526 (override_options): Add generic32 and generic64, translate "generic"
14527 to generic32/generic64 and "i686" to "generic32", refuse
14528 "generic32"/"generic64" as arch target.
14529 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14530 (ix86_reorg): Honor PAD_RETURNS.
14532 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14534 * tree-pretty-print.c (dump_generic_node): Handle
14535 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14536 * cgraph.c (cgraph_expand_queue): Rename from
14537 cgraph_analyze_queue. Update all users.
14538 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14539 cgraph_expand_queue.
14540 (cgraph_expand_all_functions): Likewise.
14541 (cgraph_finalize_pending_functions): Remove. Update callers.
14543 * tree.h (OMP_DIRECTIVE_P): Define.
14544 (OMP_PARALLEL_FN): Define.
14545 (OMP_PARALLEL_DATA_ARG): Define.
14546 (OMP_SECTIONS_SECTIONS): Define.
14547 * tree-pass.h (pass_expand_omp): Declare.
14548 * omp-low.c (struct omp_region): Declare.
14549 (struct omp_context): Remove fields 'parallel_type',
14550 'parallel_start_ix' and 'parallel_start_additional_args'.
14552 (struct omp_for_data): Rename from struct expand_omp_for_data.
14553 (omp_regions): New static variable.
14554 (root_omp_region): New static variable.
14555 (find_omp_clause): Make static.
14556 (is_in_combined_parallel_ctx): Remove.
14557 (is_combined_parallel): New.
14558 (extract_omp_for_data): Move earlier in the file.
14559 (workshare_safe_to_combine_p): New.
14560 (get_ws_args_for): New.
14561 (determine_parallel_type): Move earlier in the file.
14562 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14564 (omp_copy_decl): Likewise.
14565 (create_omp_child_function): Likewise.
14566 (lookup_omp_region): New.
14567 (dump_omp_region): New.
14568 (debug_omp_region): New.
14569 (debug_all_omp_regions): New.
14570 (new_omp_region): New.
14571 (scan_omp_parallel): If parallel_nesting_level > 1, the
14572 directive is nested within another parallel directive.
14573 Set OMP_PARALLEL_FN.
14574 (scan_omp_for): Do not try to handle combined parallel+for
14576 Remove FIXME comment.
14577 (scan_omp_nested): Remove.
14578 (scan_omp_1): Do not call scan_omp_nested when
14579 parallel_nesting_level is > 1.
14580 Do not change the DECL_CONTEXT of local variables found.
14581 (lookup_decl_in_outer_ctx): New.
14582 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14583 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14584 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14585 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14586 If CTX is nested, lookup VAR in the outer context when
14587 building copy assignment.
14588 (lower_send_clauses): Rename from expand_send_clauses.
14589 If CTX is nested, lookup VAR in the outer context when
14590 building copy assignments.
14591 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14592 If CTX is nested, lookup VAR in the outer context when
14593 building copy assignments.
14594 (expand_parallel_call): Rename from build_parallel_call.
14595 Handle combined parallel+workshare cases.
14596 Re-implement to emit code into the CFG.
14598 (expand_omp_parallel): Re-implement to emit code into the CFG.
14599 Call move_sese_region_to_fn to outline the sub-graph
14600 containing the parallel region.
14601 (expand_omp_for_1): Remove.
14602 (expand_omp_for_generic): Re-implement to emit code into the
14604 (expand_omp_for_static_nochunk): Likewise.
14605 (expand_omp_for_static_chunk): Likewise.
14606 (expand_omp_for): Likewise.
14607 (expand_omp_sections): Likewise.
14608 (remove_exit_barriers): New.
14609 (expand_omp_synch): New.
14611 (build_omp_regions_1): New.
14612 (build_omp_regions): New.
14613 (execute_expand_omp): New.
14614 (gate_expand_omp): New.
14615 (pass_expand_omp): Define.
14616 (lower_omp_sections): Rename from expand_omp_sections.
14617 Set OMP_SECTIONS_SECTIONS.
14618 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14619 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14620 (lower_omp_single): Rename from expand_omp_simple.
14621 (lower_omp_master): Rename from expand_omp_master.
14622 (lower_omp_ordered): Rename from expand_omp_ordered.
14623 (lower_omp_critical): Rename from expand_omp_critical.
14624 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14625 (lower_omp_for): Re-implement.
14626 (lower_omp_parallel): Re-implement.
14627 (lower_regimplify): Rename from expand_regimplify.
14628 (lower_omp_1): Rename from expand_omp_1.
14629 If there are syntax errors in the program, replace every
14630 OpenMP directive with NOP.
14631 Call lower_omp_* instead of expand_omp_*.
14632 (lower_omp): Rename from expand_omp.
14634 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14635 * tree-gimple.h (enum omp_parallel_type): Remove.
14636 (gimple_boolify): Declare extern.
14637 (find_omp_clause, determine_parallel_type): Remove.
14639 * gimple-low.c (lower_omp_directive): New.
14640 (lower_stmt): Call it.
14641 (record_vars_into): Move from ...
14642 (record_vars): ... here.
14643 Call record_vars_into with current_function_decl.
14645 * gimplify.c (struct gimplify_ctx): Remove fields
14646 combined_pre_p and combined_ctxp. Update users.
14647 (get_formal_tmp_var): Add documentation.
14648 (gimple_boolify): Make extern.
14649 (gimplify_expr_in_ctx): Remove. Update callers.
14650 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14651 will always be a BIND_EXPR.
14652 (gimplify_expr): Handle OMP_RETURN_EXPR.
14653 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14654 (OMP_PARALLEL): Add 3 operands.
14655 (OMP_SECTIONS): Add 1 operand.
14656 (OMP_RETURN_EXPR): Define.
14658 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14659 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14660 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14661 creating a circular free list.
14662 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14664 * tree-flow.h (move_sese_region_to_fn): Declare.
14665 (record_vars_into): Declare.
14666 * tree-cfg.c (make_omp_sections_edges): New.
14667 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14668 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14669 OMP_SECTIONS and OMP_SECTION.
14670 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14671 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14672 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14673 (gather_blocks_in_sese_region): New.
14674 (struct move_stmt_d): Declare.
14675 (move_stmt_r): New.
14676 (move_block_to_fn): New.
14677 (move_sese_region_to_fn): New.
14679 * passes.c (init_optimization_passes): Schedule
14680 pass_expand_omp after pass_init_datastructures.
14682 * tree-ssa-operands.c (get_expr_operands): Handle
14683 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14684 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14686 2006-01-19 Jeff Law <law@redhat.com>
14688 * tree-vrp.c (extract_range_from_assert): Refine the result range
14689 if the variable referenced by the ASSERT_EXPR has a range and
14690 either the tentative result range or the previous range is a
14693 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14695 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14697 2006-01-19 Jan Hubicka <jh@suse.cz>
14699 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14701 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14703 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14704 (expand_compound_operation, expand_field_assignment): Fail if the
14705 bit lengths of an extract operation are out of range.
14706 (make_extraction): Compute wanted_inner_mode based on the position
14707 and length of the extraction. Make it extraction_mode for non-constant
14708 positions, and do not modify offset in that case. When generating a
14709 new MEM, use a mode that can hold the extraction while keeping correct
14710 alignment. Remove code that supported MEMs wrapped by USEs.
14711 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14713 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14715 * config/s390/s390.md ("Y", "y"): New mode attribute.
14716 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14717 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14718 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14719 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14720 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14721 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14722 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14723 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14724 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14725 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14726 "addsi3", "subsi3"): Insn patterns removed.
14727 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14728 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14729 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14730 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14731 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14732 "*sub<mode>3_cconly2"): New insn patterns.
14733 ("addsi3", "subsi3"): New expanders.
14735 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14737 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14738 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14739 existing STMT_VINFO_VECTYPE if available.
14740 (vect_mark_relevant): Add special handling for stmts that are
14741 marked as STMT_VINFO_IN_PATTERN_P.
14742 (vect_analyze_loop): Call vect_pattern_recog.
14743 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14744 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14746 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14747 (vect_recog_func_ptr): New function-pointer type.
14748 * tree-vect-patterns.c: New file.
14749 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14750 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14751 (vect_pattern_recog_1): New functions.
14752 (vect_pattern_recog_funcs): New array of function pointers.
14754 * tree-vectorizer.h (ternary_op): New enum value.
14755 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14756 declaration. Revised documentation. Removed redundant dump prints.
14757 Removed redundant argument. Added support for reduction patterns.
14758 (vectorizable_reduction): Added support for reduction patterns.
14759 (vect_transform_stmt): Added support for patterns.
14761 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14762 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14763 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14764 (expand_widen_pattern_expr): New function.
14765 (init_optabs): Initialize new optabs udot_prod_optab,
14767 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14768 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14769 (expand_widen_pattern_expr): New function declaration.
14770 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14772 * tree-inline.c (estimate_num_insns_1): Added cases for new
14773 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14774 * tree-pretty-print.c (dump_generic_node): Likewise.
14775 (op_prio): Likewise.
14776 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14777 * tree-ssa-operands.c (get_expr_operands): Added case for
14779 * tree-vect-patterns.c (widened_name_p): New function.
14780 (vect_recog_dot_prod_pattern): Added function implementation.
14781 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14782 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14783 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14784 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14786 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14787 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14788 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14789 (init_optabs): Initialize new optabs widen_ssum_optab,
14791 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14792 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14793 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14794 use instead of type of def.
14795 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14796 function implementation.
14797 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14798 widen_ssumv8hi): New.
14800 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14803 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14806 * c-decl.c (add_flexible_array_elts_to_size): New function.
14807 (finish_decl): Use it.
14809 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14811 * diagnostic.h: Include options.h.
14812 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14813 dependancies for diagnostic.h.
14814 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14816 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14818 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14819 (ssa_ro_call_cache_valid): Ditto.
14820 * tree-ssa-alias.c (sort_tags_by_id): New function.
14821 (init_transitive_clobber_worklist): Ditto.
14822 (add_to_worklist): Ditto.
14823 (mark_aliases_call_clobbered): Ditto.
14824 (compute_tag_properties): Ditto.
14825 (set_initial_properties): Ditto.
14826 (compute_call_clobbered): Ditto.
14827 (compute_may_aliases): Call compute_call_clobbered and grouping.
14828 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14829 (compute_flow_insensitive_aliasing): Grouping now happens in our
14831 (setup_pointers_and_addressables): Remove clobbering related code.
14832 (add_may_alias): Ditto.
14833 (replace_may_alias): Ditto.
14834 (get_nmt_for): Ditto.
14835 (create_global_var):
14836 (is_escape_site): Return an escape_type enumeration.
14837 * tree-flow-inline.h (is_call_clobbered): Global var does not
14838 imply call clobbered.
14839 (mark_call_clobbered): Take a reason for marking this. Remove
14840 marking of globalness, and cache invalidation.
14841 (clear_call_clobbered): Remove cache invalidation code.
14842 * tree-dfa.c (dump_variable): If details is on, dump the reason
14844 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14846 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14847 (struct var_ann_d): Ditto.
14848 (enum escape_type): New.
14849 (mark_call_clobbered): Adjust prototype.
14850 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14851 are never call clobbered.
14852 Record reasons for escaping.
14853 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14854 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14855 (ssa_ro_call_cache_valid): Ditto.
14856 (clobbered_v_may_defs): Ditto.
14857 (clobbered_vuses): Ditto.
14858 (ro_call_vuses): Ditto.
14859 (clobber_stats): New.
14860 (init_ssa_operands): Zero out clobber stats.
14861 (fini_ssa_operands): Print out clobber stats.
14862 (get_call_expr_operands): Pass callee fndecl to
14863 add_call_read_ops).
14864 (add_call_clobber_ops): Remove use of cache.
14865 Add use of PURE_CONST information.
14866 (add_call_read_ops): Remove use of cache.
14867 Add use of static not_read information.
14869 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14871 Introduce TLS descriptors for i386 and x86_64.
14872 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14873 (TARGET_ANY_GNU_TLS): New macro.
14874 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14875 (struct machine_function): Add tls_descriptor_call_expanded_p.
14876 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14877 (ix86_current_function_calls_tls_descriptor): Likewise.
14878 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14879 (override_options): Introduce gnu2 tls dialect.
14880 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14882 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14884 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14885 (ix86_init_machine_status): Initialize new field.
14886 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14887 (ix86_tls_module_base): New.
14888 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14889 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14890 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14891 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14892 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14893 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14894 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14895 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14896 * config/i386/predicates.md (tls_modbase_operand): New.
14897 (tp_or_register_operand): New.
14899 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14901 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14902 (look_for_address_of): Ditto.
14903 (ipa_init): Walk the function decls.
14904 (static_execute): Don't set readonly on FUNCTION_DECL's.
14906 2006-01-18 Roger Sayle <roger@eyesopen.com>
14908 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14909 for shifts where the source and destination registers are different.
14911 2006-01-18 Paul Brook <paul@codesourcery.com>
14913 Merge from csl-arm-branch.
14914 2005-03-14 Julian Brown <julian@codesourcery.com>
14915 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14916 (aeabi_llsl): Likewise.
14917 (ashrdi3): Likewise.
14918 (aeabi_lasr): Likewise.
14919 (lshrdi3): Likewise.
14920 (aeabi_llsr): Likewise.
14921 2005-03-10 Julian Brown <julian@codesourcery.com>
14922 * config.gcc: Disable shared libgcc for SymbianOS.
14923 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14925 2006-01-18 DJ Delorie <dj@redhat.com>
14927 * c-pragma.c (handle_pragma_diagnostic): New.
14928 (init_pragma): Register it.
14929 * doc/extend.texi: Document it.
14931 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14932 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14933 (diagnostic_context): Add classify_diagnostic[].
14934 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14935 as errors if they're overridden to DK_WARNING.
14936 (diagnostic_initialize): Initialize classify_diagnostic[].
14937 (diagnostic_set_kind_override): New.
14938 (diagnostic_report_diagnostic): Check for kind changes.
14939 * opts.c (common_handle_option): Take lang_mask. Update callers.
14940 Handle OPT_Werror_.
14941 * common.opt (Werror=): New.
14942 * doc/invoke.texi: Document -Werror=*
14944 2006-01-18 Jeff Law <law@redhat.com>
14946 * tree-vrp.c (test_for_singularity): Correct test for new
14947 min limit. Use operand_equal_p rather than pointer equality
14948 for testing if new min/max values are equal.
14950 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14951 using range information until after propagation and folding.
14953 2006-01-18 Richard Henderson <rth@redhat.com>
14954 Aldy Hernandez <aldyh@redhat.com>
14955 Jakub Jelinek <jakub@redhat.com>
14956 Diego Novillo <dnovillo@redhat.com>
14958 * omp-low.c: New file.
14959 * c-omp.c: New file.
14961 2006-01-18 Richard Henderson <rth@redhat.com>
14962 Jakub Jelinek <jakub@redhat.com>
14963 Diego Novillo <dnovillo@redhat.com>
14965 * doc/invoke.texi: Document -fopenmp.
14966 * tree-dump.h (debug_function): Declare.
14967 * hooks.c (hook_bool_tree_bool_false): New function.
14968 (hook_tree_tree_null): Remove.
14969 (hook_tree_tree_tree_null): New.
14970 * hooks.h: Update to match.
14971 * tree-pretty-print.c (debug_tree_chain): New.
14972 (print_generic_expr): Handle TDF_CHAIN.
14973 (dump_generic_node): Handle BLOCK.
14974 Do not abort with incomplete SWITCH_EXPRs.
14975 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14976 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14977 print space after directive name.
14978 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14979 Handle OMP_MASTER and OMP_ORDERED.
14980 Handle printing of OMP_BODY just in one place, goto
14981 dump_omp_body in the rest of OMP_* nodes that have
14983 Don't handle clause nodes here. Update omp statements to
14984 use dump_omp_clauses.
14985 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14986 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14987 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14988 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14989 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14990 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14991 Adjust output for GOMP_PARALLEL.
14992 (dump_omp_clauses): New.
14993 (print_declaration): Dump DECL_VALUE_EXPR.
14994 (op_symbol_1): Split out of op_symbol.
14995 (dumping_stmts): Remove. Update all users.
14996 * cgraph.c (cgraph_analyze_queue): New.
14997 (cgraph_add_new_function): New.
14998 * cgraph.h (cgraph_analyze_queue): Declare.
14999 (cgraph_add_new_function): Declare.
15000 (cgraph_lower_function): Remove.
15001 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15002 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15003 and TYPE_P nodes in its default clause.
15004 (empty_body_p): New.
15005 (tree_range_check_failed): New.
15006 (build5_stat): New.
15007 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15008 OMP_CLAUSE_REDUCTION_MERGE,
15009 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15010 OMP_CLAUSE_PRIVATE_DEBUG,
15011 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15012 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15013 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15014 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15015 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15016 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15017 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15018 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15019 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15020 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15021 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15022 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15023 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15024 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15025 (TREE_RANGE_CHECK): New.
15026 (empty_body_p): Declare.
15027 (enum omp_clause_default_kind): New.
15028 (build_string_literal): Declare.
15029 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15030 (build5_stat, build5): Declare.
15031 * tree-pass.h (TDF_CHAIN): Define.
15032 * tree-pass.h (PROP_gimple_lomp): Define.
15033 (pass_lower_omp): Declare.
15034 * diagnostic.h (debug_tree_chain): Declare.
15035 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15037 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15038 * builtins.c (build_string_literal): Make extern.
15039 * gcc.c (include_spec_function): New.
15040 (static_spec_functions): Add it.
15041 (main): Move load of libgomp.spec ...
15042 (LINK_COMMAND_SPEC): ... here.
15043 (link_gomp_spec): New.
15044 (static_specs): Include it.
15045 (LINK_COMMAND_SPEC): Add link_gomp.
15046 (GOMP_SELF_SPECS): New.
15047 (driver_self_specs): Include it.
15048 (switch_matches): Don't mark inline.
15049 (main): Load libgomp.spec.
15050 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15051 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15052 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15053 * tree-gimple.h (enum omp_parallel): Declare.
15054 (determine_parallel_type): Declare.
15055 (omp_firstprivatize_variable): Declare.
15056 (omp_reduction_init): Declare.
15057 (diagnose_omp_structured_block_errors): Declare.
15058 (struct walk_stmt_info): Add want_return_expr.
15059 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15060 (find_omp_clause): Declare.
15061 (insert_field_into_struct): Declare.
15062 (struct walk_stmt_info): Move from tree-nested.c
15063 (walk_stmts): Declare.
15064 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15066 * cgraphunit.c (cgraph_lower_function): Make static.
15067 (cgraph_finalize_pending_functions): New.
15068 (cgraph_finalize_function): Call it.
15069 (cgraph_finalize_compilation_unit): Likewise.
15070 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15071 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15072 (BT_FN_UINT_UINT): New.
15073 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15074 DEF_FUNCTION_TYPE_VAR_4): Document.
15075 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15076 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15077 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15078 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15079 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15080 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15081 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15082 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15083 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15084 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15085 into separate files.
15086 (DEF_GOMP_BUILTIN): New.
15087 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15088 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15089 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15090 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15091 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15092 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15093 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15094 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15095 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15096 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15097 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15098 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15099 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15100 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15101 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15102 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15103 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15104 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15105 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15106 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15107 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15108 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15109 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15110 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15111 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15112 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15113 * sync-builtins.def: New file, moved from builtins.def.
15114 * omp-builtins.def: New file, moved from builtins.def.
15115 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15116 * gimple-low.c (lower_function_body): Clear data.
15117 (lower_stmt): Do not handle COMPOUND_EXPR.
15118 Remove call to print_node_brief.
15119 * c-tree.h (c_finish_omp_clauses): New prototype.
15120 (C_DECL_THREADPRIVATE_P): Define.
15121 (lookup_name_no_remap, c_omp_remap_private): Remove
15122 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15123 (check_for_loop_decls): Update decl.
15124 (lookup_name_no_remap, c_omp_remap_private): Declare.
15125 (build_indirect_ref, build_modify_expr, pushdecl,
15126 pushdecl_top_level): Move to c-common.h.
15127 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15128 before the switch, but just in the 2 places that need it.
15129 * c-decl.c (diagnose_mismatched_decls): Do not check for
15130 mismatched thread-local attributes when OLDDECL is marked
15131 threadprivate and NEWDECL has no thread-local attributes.
15132 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15133 (c_gimple_diagnostics_recursively): Rename from
15134 c_warn_unused_result_recursively. Invoke
15135 diagnose_omp_structured_block_errors.
15136 (check_for_loop_decls): Return a singular decl found.
15137 * langhooks.c (lhd_omp_predetermined_sharing): Return
15138 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15139 (lhd_omp_firstprivatize_type_sizes): New.
15140 (lhd_omp_assignment): New.
15141 (lhd_omp_predetermined_sharing): New.
15142 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15143 (struct lang_hooks_for_types): Add
15144 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15145 omp_predetermined_sharing, omp_disregard_value_expr,
15146 omp_private_debug_clause, omp_clause_default_ctor,
15147 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15148 (c_finish_omp_clauses): New.
15149 (c_finish_bc_stmt): Diagnose break within omp for.
15150 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15151 (build_unary_op): Return error_mark after reporting
15153 (build_modify_expr): Likewise.
15154 * gimplify.c: Include optabs.h and pointer-set.h.
15155 (enum gimplify_omp_var_data): Declare.
15156 (struct gimplify_omp_ctx): Declare.
15157 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15159 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15160 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15161 (splay_tree_compare_decl_uid): New.
15162 (new_omp_context): New.
15163 (delete_omp_context): New.
15164 (gimple_add_tmp_var): Call omp_add_variable.
15165 (gimplify_bind_expr): Likewise.
15166 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15167 true, disregard DECL_VALUE_EXPR on the decl if any.
15168 (gimplify_expr_in_ctx): New.
15169 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15170 omp_add_variable, omp_notice_variable, omp_is_private
15171 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15172 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15173 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15174 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15175 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15176 gimplify_omp_atomic): New.
15177 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15178 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15179 OMP_CRITICAL and OMP_ATOMIC.
15180 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15181 * c-pragma.h (enum pragma_kind): Add
15182 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15183 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15184 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15185 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15186 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15187 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15188 PRAGMA_OMP_THREADPRIVATE.
15189 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15190 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15191 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15192 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15193 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15194 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15195 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15196 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15197 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15198 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15199 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15200 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15201 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15203 (struct nesting_info): Add field_map,
15204 suppress_expansion, debug_var_chain.
15205 (create_nesting_tree): Initialize them.
15206 (lookup_field_for_decl): Use field_map.
15207 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15208 (convert_local_omp_clauses): New.
15209 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15210 (walk_body): Split out of walk_function.
15211 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15212 (convert_nonlocal_reference): Handle omp statements.
15213 (convert_local_reference): Likewise.
15214 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15215 (unnest_nesting_tree): New.
15216 (lower_nested_functions): Call it.
15217 (insert_field_into_struct): Make extern.
15218 (struct walk_stmt_info): Move to tree-gimple.h.
15219 (walk_stmts): Make extern.
15220 * omp-builtins.def: New file.
15221 * tree-iterator.c (expr_only): Clarify comment.
15222 * c-common.h (pushdecl_top_level, pushdecl,
15223 build_modify_expr, build_indirect_ref,
15224 c_finish_omp_master, c_finish_omp_critical,
15225 c_finish_omp_ordered, c_finish_omp_barrier,
15226 c_finish_omp_atomic, c_finish_omp_flush,
15227 c_finish_omp_for, c_split_parallel_clauses,
15228 omp_clause_default_kind, c_omp_sharing_predetermined,
15229 c_omp_remap_decl): Declare.
15230 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15231 (OBJS-common): Add omp-low.o.
15232 (c-omp.o, omp-low.o): Add.
15233 (gimplify.o): Add dependency on $(OPTABS_H).
15234 (GTFILES): Add omp-low.c.
15235 (gt-stringpool.h): Add.
15236 * tree-cfg.c (set_bb_for_stmt): Do not update the
15237 block-to-labels map if we are currently expanding to RTL.
15238 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15240 Handle IDENTIFIER_NODE.
15241 (tree_verify_flow_info): Do not ICE when emitting error
15242 messages about invalid labels.
15243 (dump_function_to_file): Reset CFUN before emitting the body
15245 (debug_function): New.
15246 * passes.c (init_optimization_passes): Schedule
15248 * langhooks-def.h (lhd_omp_predetermined_sharing,
15249 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15251 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15252 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15253 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15254 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15255 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15256 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15257 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15258 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15259 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15260 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15261 (LANG_HOOK_DECLS): Use them.
15263 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15264 Richard Henderson <rth@redhat.com>
15265 Jakub Jelinek <jakub@redhat.com>
15266 Diego Novillo <dnovillo@redhat.com>
15268 * c-parser.c (pragma_omp_clause): Define.
15269 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15270 (c_parser_compound_statement): Likewise.
15271 (c_parser_statement): Likewise.
15272 (c_parser_pragma): Handle omp pragmas.
15273 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15274 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15275 (c_parser_omp_clause_name, check_no_duplicate_clause,
15276 c_parser_omp_variable_list,
15277 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15278 c_parser_omp_clause_copyprivate,
15279 c_parser_omp_clause_default,
15280 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15281 c_parser_omp_clause_lastprivate,
15282 c_parser_omp_clause_nowait,
15283 c_parser_omp_clause_num_threads,
15284 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15285 c_parser_omp_clause_reduction,
15286 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15287 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15288 c_parser_omp_atomic, c_parser_omp_barrier,
15289 c_parser_omp_critical, c_parser_omp_flush,
15290 c_parser_omp_for_loop, c_parser_omp_for,
15291 c_parser_omp_master, c_parser_omp_ordered,
15292 c_parser_omp_sections_scope, c_parser_omp_sections,
15293 c_parser_omp_parallel, c_parser_omp_single,
15294 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15295 * c-pragma.c (init_pragma): Do omp pragma registration here.
15296 * c.opt (fopenmp): New flag.
15298 2006-01-18 Eric Christopher <echristo@apple.com>
15300 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15301 * config/darwin.h (GOMP_SELF_SPECS): Define.
15303 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15305 * rtl.h: Remove the prototype for reg_alloc.
15307 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15310 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15311 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15312 sjlj and dwarf2 exception handling.
15313 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15314 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15315 * pa/pa.c (function_value): Treat complex and vector types as
15317 (function_arg): Likewise. Only pass scalar floats in the floating
15318 point argument registers.
15319 * pa/t-slibgcc-dwarf-ver: New file.
15320 * pa/t-slibgcc-sjlj-ver: New file.
15321 * pa/t-slibgcc-elf-ver: Delete file.
15323 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15325 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15326 unlikely_test_section_p test.
15328 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15330 * mode-switching.c (optimize_mode_switching): Make it static.
15331 * basic-block.h: Remove the prototype for
15332 optimize_mode_switching.
15334 * modulo-sched.c (sms_schedule): Make it static.
15335 * rtl.h: Remove the prototype for sms_schedule.
15337 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15338 * rtl.h: Remove the prototype for gcse_after_reload_main.
15340 * reg-stack.c (reg_to_stack): Make it static.
15341 * rtl.h: Remove the prototype for reg_to_stack.
15343 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15345 * rtl.h: Remove the prototypes for regrename_optimize and
15346 copyprop_hardreg_forward.
15348 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15350 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15351 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15352 Test against the appropriate null constant for the mode.
15353 If 'fixup_overlap' is true, swap the operands if they overlap.
15354 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15355 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15356 alpha_split_tmode_pair and adjust for above change.
15357 * config/alpha/alpha.md (movtf_internal): Adjust call to
15358 alpha_split_tfmode_pair and rely on it to swap the operands.
15359 (movti_internal): New insn and post-reload splitter.
15360 (movti): New expander.
15362 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15364 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15367 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15369 * rtlanal.c (global_reg_mentioned_p_1,
15370 global_reg_mentioned_p): Remove.
15371 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15373 * flow.c (initialize_uninitialized_subregs): Make it static.
15374 * rtl.h: Remove the prototype for
15375 initialize_uninitialized_subregs.
15377 * function.c (instantiate_virtual_regs): Make it static.
15378 * function.h: Remove the prototype for
15379 instantiate_virtual_regs.
15381 * regmove.c (regmove_optimize, combine_stack_adjustments):
15383 * rtl.h: Remove the prototypes for regmove_optimize and
15384 combine_stack_adjustments.
15386 2006-01-17 Roger Sayle <roger@eyesopen.com>
15388 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15389 (size_cost): Encode costs in bytes so that a reg-reg addition is
15390 equivalent to COSTS_N_INSNS(1).
15391 (override_options): Use the size_cost.branch_cost as the default
15392 ix86_branch_cost when optimizing for size.
15394 2006-01-18 Ben Elliston <bje@au.ibm.com>
15396 * Makefile.in (D32PBIT_FUNCS): New.
15397 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15398 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15399 D64PBIT_FUNCS and D128PBIT_FUNCS.
15400 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15401 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15403 (decnumber_dep): Define.
15404 * doc/libgcc.texi (Decimal float library routines): New node.
15405 * config/dfp-bit.h, config/dfp-bit.c: New files.
15407 2006-01-18 Ben Elliston <bje@au.ibm.com>
15409 * expr.c (emit_move_change_mode): Always adjust addresses, not
15410 just during reload. Copy replacements only during reload.
15411 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15412 emit_move_via_integer.
15414 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15416 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15417 instead of $(srcdir) and ${srcdir}.
15419 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15422 PR middle-end/11135
15423 * arm.h (struct machine_function): Add pic_reg.
15424 * arm.c (arm_pic_register): Make unsigned.
15425 (arm_override_options): Only set arm_pic_register if
15426 TARGET_SINGLE_PIC_BASE.
15427 (use_return_insn): Only test for a pic register if it is fixed.
15428 (arm_compute_save_reg0_reg12_mask): Likewise.
15429 (thumb_compute_save_reg_mask): Likewise.
15430 (legitimate_pic_operand): Factor out some known invariants.
15431 (legitimize_pic_address): If we don't have a fixed pic register,
15432 then set up a pseudo in the function entry sequence. Handle the
15433 pic base being in a pseudo.
15434 (arm_load_pic_register): Handle the pic register being in a pseudo.
15435 (arm_expand_prologue): Only set up the pic register if it is fixed.
15436 (thumb_expand_prologue): Likewise.
15437 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15438 (pic_load_addr_based_insn): Likewise.
15439 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15442 2006-01-18 Ben Elliston <bje@au.ibm.com>
15444 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15445 decimal float modes for all floating point registers.
15447 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15448 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15450 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15453 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15454 even when the pointer is not NULL.
15456 2006-01-16 Ian Lance Taylor <ian@airs.com>
15458 * common.opt (ftoplevel-reorder): New option.
15459 * cgraph.c (cgraph_asm_nodes): New global variable.
15460 (cgraph_asm_last_node): New static variable.
15461 (cgraph_order): New global variable.
15462 (cgraph_create_node): Set new order field.
15463 (cgraph_varpool_node): Likewise.
15464 (decide_is_variable_needed): Return true if not
15465 flag_toplevel_reorder.
15466 (cgraph_add_asm_node): New function.
15467 * cgraph.h (struct cgraph_node): Add order field.
15468 (struct cgraph_varpool_node): Add order field.
15469 (struct cgraph_asm_node): Define.
15470 (cgraph_asm_nodes, cgraph_order): Declare.
15471 (cgraph_add_asm_node): Declare.
15472 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15474 (cgraph_varpool_assemble_pending_decls): Call it.
15475 (cgraph_output_pending_asms): New static function.
15476 (cgraph_finalize_compilation_unit): Call it.
15477 (struct cgraph_order_sort): Define.
15478 (cgraph_output_in_order): New static function.
15479 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15480 !flag_toplevel_reorder case.
15481 * c-parser.c: Include "cgraph.h".
15482 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15484 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15485 than -fno-unit-at-a-time.
15486 * doc/invoke.texi (Option Summary): Mention
15487 -fno-toplevel-reorder.
15488 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15489 -funit-at-a-time documentation.
15491 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15492 Kazu Hirata <kazu@codesourcery.com>
15494 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15496 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15498 * Makefile.in (FUNCTION_H): New. Use it instead of
15499 function.h throughout the file.
15500 * function.h: Include tree.h.
15502 2006-01-17 Ben Elliston <bje@au.ibm.com>
15504 * recog.c: Separate some functions with whitespace.
15506 2006-01-16 Richard Henderson <rth@redhat.com>
15508 Merge from gomp branch:
15509 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15510 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15511 and rename from struct inline_data. Rename callee* to dst*;
15512 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15513 transform_new_cfg, transform_return_to_modify, and
15514 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15516 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15517 (copy_decl_for_dup): Remove.
15518 * tree-inline.c (struct inline_data): Move to header.
15519 (insert_decl_map): Export.
15520 (remap_decl): Update for member name changes. Use copy_decl hook.
15521 Allow for replacement to be a non-decl. Remove dead code.
15522 (remap_type_1): Check for existing mapping.
15523 (remap_type): Export.
15524 (remap_decls): Update for member name changes.
15525 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15526 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15527 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15528 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15529 (tree_function_versioning, build_duplicate_type): Likewise.
15530 (copy_body_r): Likewise. Export.
15531 (copy_decl_for_dup): Split into ...
15532 (copy_decl_for_dup_finish, copy_decl_to_var,
15533 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15534 (replace_ref_tree, inlining_p): Remove.
15536 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15538 * ifcvt.c (if_convert): Make it static.
15539 * rtl.h: Remove the prototype for if_convert.
15541 * local-alloc.c (local_alloc): Make it static.
15542 * rtl.h: Remove the prototype for local_alloc.
15544 * loop.c (loop_optimize): Make it static.
15545 * cfgloop.h: Remove the prototype for loop_optimize.
15548 2006-01-16 DJ Delorie <dj@redhat.com>
15550 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15553 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15555 * pa.md: Disparage copies between general and floating-point registers
15556 in 32-bit move patterns.
15558 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15561 * Makefile.in (check-%): Depend on site.exp instead of
15562 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15565 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15567 * global.c (global_alloc): Make it static.
15568 * rtl.h: Remove the prototype for global_alloc.
15570 2006-01-16 Richard Guenther <rguenther@suse.de>
15572 * tree-ssa-alias.c (struct used_part): Add write_only field.
15573 (get_or_create_used_part_for): Initialize it to true.
15574 (create_overlap_variables_for): Don't create structure variables
15575 for structures that only are written to.
15576 (find_used_portions): Handle MODIFY_EXPR to track whether a
15577 structure is only written to.
15579 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15581 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15583 * basic-block.h: Remove the prototype for
15584 partition_hot_cold_basic_blocks.
15586 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15588 * cppspec.c (lang_specific_spec_functions): Remove.
15589 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15590 * gcc.h (lang_specific_spec_functions): Remove.
15591 * gccspec.c (lang_specific_spec_functions): Remove.
15593 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15595 * combine.c (record_value_for_reg): Invalidate registers
15597 (record_dead_and_set_regs_1): Likewise, by passing them to
15598 record_value_for_reg.
15599 (record_dead_and_set_regs): Invalidate stores made by a
15600 call. We do not combine across a call, but we still
15601 relied on equivalences.
15603 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15605 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15606 vrp_int_const_binop returning non-constant nodes.
15608 2006-01-16 Paul Brook <paul@codesourcery.com>
15610 * config/m68k/m68k.c (output_move_const_into_data_reg):
15611 Output correct mnemonic for mvz and mvs.
15613 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15615 * rtl-factoring.c: Add sequence abstraction algorithm.
15616 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15617 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15619 (block_has_preserve_label): New function.
15620 * common.opt: Register new pass.
15621 * Makefile.in: Ditto.
15623 * timevar.def: Ditto.
15624 * tree-pass.h: Ditto.
15625 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15626 * rtl.h (make_jump_insn_raw): Add forward decl.
15627 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15629 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15630 Roger Sayle <roger@eyesopen.com>
15632 * fold-const.c (fold_minmax): New static function.
15633 (fold_binary) <MIN_EXPR>: Call it.
15634 <MAX_EXPR>: Likewise.
15635 * stor-layout.c (place_field): Use DECL_SIZE consistently
15636 in the computation of the new record size.
15638 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15640 * cse.c (cse_condition_code_reg): Make it static.
15641 * rtl.h: Remove the prototype for cse_condition_code_reg.
15643 * combine.c (combine_instructions): Make it static.
15644 * rtl.h: Remove the prototype for combine_instructions.
15646 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15649 * tree.c (get_file_function_name_long): Concatenate the first global
15650 object name with a string derived from the input filename of the object
15653 2006-01-16 Ben Elliston <bje@au.ibm.com>
15655 * config/i386/winnt-stubs.c: Update FSF address.
15656 * config/xtensa/ieee754-df.S: Ditto.
15657 * config/xtensa/ieee754-sf.S: Ditto.
15659 2006-01-14 Ian Lance Taylor <ian@airs.com>
15661 * ifcvt.c (noce_init_if_info): New static function, broken out of
15662 noce_process_if_block.
15663 (noce_process_if_block): Call noce_init_if_info.
15664 (check_cond_move_block): New static function.
15665 (cond_move_process_if_block): New static function.
15666 (process_if_block): Call cond_move_process_if_block.
15668 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15670 * cselib.c (hash_table): Rename to cselib_hash_table.
15671 (cselib_clear_table, discard_useless_values,
15672 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15673 cselib_init, cselib_finish): Adjust uses of hash_table.
15675 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15677 PR tree-optimization/25485
15678 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15679 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15680 is known to be false and true, respectively.
15682 2006-01-14 Richard Guenther <rguenther@suse.de>
15684 PR tree-optimization/22548
15685 PR tree-optimization/22555
15686 PR tree-optimization/22501
15687 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15688 * params.def (salias-max-array-elements): New parameter.
15689 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15690 * doc/invoke.texi (salias-max-array-elements): Document.
15691 * tree-flow-inline.h (var_can_have_subvars): We also handle
15693 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15695 * tree-ssa-structalias.c (params.h): Include.
15696 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15697 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15698 (get_constraint_for): For ADDR_EXPR operating on something
15699 containing an ARRAY_REF, add all subvars to the solution.
15700 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15701 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15702 for creating MUST_DEFs.
15703 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15705 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15707 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15709 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15710 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15711 number_of_iterations_le): New functions.
15712 (number_of_iterations_special): Removed.
15713 (number_of_iterations_exit): Do not use number_of_iterations_special.
15714 * tree.c (unsigned_type_for): Always return integer type.
15716 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15717 Richard Guenther <rguenther@suse.de>
15719 PR rtl-optimization/24257
15720 * gcse.c (find_moveable_store): Only consider a store movable
15721 when the SET_SRC of the insn can be assigned to a register.
15723 2006-01-14 Ian Lance Taylor <ian@airs.com>
15725 * tree.c (tree_not_class_check_failed): New function.
15726 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15727 (tree_not_class_check_failed): Declare.
15729 2006-01-13 Ian Lance Taylor <ian@airs.com>
15731 * reload1.c (do_output_reload): Add assertion rejecting a
15734 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15736 * combine.c (struct reg_stat): Add new fields truncation_label and
15738 (record_value_for_reg): Reset truncated_to_mode.
15739 (record_truncated_value): New function.
15740 (check_promoted_subreg): Call it. Rename to check_conversions.
15741 (combine_instructions): Rename check_promoted_subreg to
15743 (reg_truncated_to_mode): New function.
15744 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15745 (gen_lowpart_or_truncate): New function.
15746 (force_to_mode): Use it instead of gen_lowpart.
15748 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15750 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15751 VAR is a tag, not its type tag.
15753 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15755 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15756 alternatives to match style of other entries.
15757 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15759 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15761 PR tree-optimization/25771
15762 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15765 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15768 * tree-inline.c (declare_return_variable): If the return variable
15769 was marked as a non gimple complex, set the return slot variable
15770 to be a non gimple comple variable.
15772 2006-01-13 Richard Guenther <rguenther@suse.de>
15774 * builtins.c (expand_builtin_sincos): New function.
15775 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15777 (expand_builtin): Expand sincos using expand_builtin_sincos.
15779 2006-01-12 DJ Delorie <dj@redhat.com>
15781 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15782 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15783 so that constant shifts can be split.
15784 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15785 (m32c_valid_pointer_mode): Make static.
15786 (shift_gen_func_for): New.
15787 (m32c_prepare_shift): Use it. Split large const shifts into
15789 * config/m32c/predicates.md (shiftcount_operand): Allow more
15791 (longshiftcount_operand): New.
15792 * doc/md.texi (Machine Constraints): Document In6.
15794 2006-01-13 Ben Elliston <bje@au.ibm.com>
15796 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15797 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15800 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15802 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15803 to try to avoid clobbering pieces of structures when we know
15804 something about the whole structure.
15805 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15807 2006-01-13 Ben Elliston <bje@au.ibm.com>
15809 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15810 return in memory, as this is no limitation is no longer present.
15812 2006-01-12 DJ Delorie <dj@redhat.com>
15814 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15815 mova with fb, and for fb+0 -> An.
15817 * config/m32c/mov.md (peephole2): Fix enabling logic.
15819 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15820 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15821 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15822 FINI_ARRAY_SECTION_ASM_OP): Define.
15824 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15826 (m32c_legitimize_reload_address): New logic to reload FB to An.
15827 (m32c_output_reg_push): Add newline.
15828 (m32c_output_reg_pop): Likewise.
15830 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15832 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15834 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15836 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15838 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15840 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15843 2006-01-11 Ben Elliston <bje@au.ibm.com>
15845 * rtlanal.c (find_reg_note): Assert insn is not null.
15847 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15849 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15852 2006-01-11 Jeff Law <law@redhat.com>
15854 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15856 (mark_threaded_blocks, register_jump_thread): New functions.
15857 (thread_through_all_blocks): Remove unwanted argument. No
15858 longer rely on e->aux to communicate thread target info.
15859 Call mark_threaded_blocks. Release the threaded_blocks
15860 bitmap and threaded_edges vector when complete.
15861 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15862 (threaded_blocks): Remove.
15863 (tree_ssa_dominator_optimize): Remove initialization and
15864 finalization of threaded_blocks. Simplify call to
15865 thread_through_all_blocks.
15866 (thread_across_edge): Call register_jump_thread rather than
15867 storing thread information into e->aux.
15868 (free_all_edge_infos): Simplify now that e->aux is no longer
15869 used to communicate with thread_through_all_blocks.
15870 * tree-flow.h (thread_through_all_blocks): Update prototype.
15871 (register_jump_thread): Prototype.
15873 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15875 * df-core.c (df_compact_blocks, df_bb_replace): Use
15876 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15878 2006-01-11 Richard Guenther <rguenther@suse.de>
15880 PR tree-optimization/25734
15881 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15882 stop propagation after successful propagation to the LHS.
15884 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15886 * basic-block.h (control_flow_graph): Change the type of
15887 x_basic_block_info to VEC(basic_block,gc) *.
15888 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15890 (SET_BASIC_BLOCK): New.
15891 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15892 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15893 * cfgbuild.c (find_basic_blocks): Likewise.
15894 * cfglayout.c (fixup_reorder_chain): Likewise.
15895 * cfgrtl.c (create_basic_block_structure,
15896 rtl_create_basic_block): Likewise.
15897 * ifcvt.c (find_if_case_1): Likewise.
15898 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15901 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15903 * Makefile.in: Removed rotted odf.c entry.
15905 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15908 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15909 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15910 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15911 output pattern modifier, not %e.
15912 * config/cris/cris.c (cris_op_str): Update comment about pattern
15914 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15915 before falling through into...
15916 <case 'E'>: Redefined from old 'e' case.
15918 2006-01-11 Jan Hubicka <jh@suse.cz>
15921 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15923 2006-01-11 Jan Hubicka <jh@suse.cz>
15925 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15926 * i386.c (x86_decompose_lea): Kill.
15927 (ix86_rtx_costs): Kill.
15929 2006-01-11 Jan Hubicka <jh@suse.cz>
15931 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15932 * cgraph.h (cgraph_node): Add inline_decl.
15933 (cgraph_insert_node_to_hashtable): Declare.
15934 (save_inline_function_body): Declare.
15935 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15937 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15938 (cgraph_function_versioning): Update call of tree_function_versioning.
15939 (save_inline_function_body): New function.
15940 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15941 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15942 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15943 (cgraph_default_inline_p): Likewise.
15944 (cgraph_decide_inlining_incrementally): Likewise.
15945 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15946 (copy_bb): Kill saving; do updating of clones.
15947 (copy_cfg_body): Kill saving.
15948 (initialize_inlined-parameters): Likewise.
15949 (expand_call_inline): Likewise.
15951 (tree_function_versioning): New parameter "update_clones".
15952 (inlining_p): Kill saving.
15953 * tree-inline.h (tree_function_versioning): Update prototype.
15954 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15957 2006-01-11 Ian Lance Taylor <ian@airs.com>
15959 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15960 Allow undoing set of machine mode.
15961 (do_SUBST): Use enums instead of is_int.
15962 (do_SUBST_MODE): New function.
15963 (SUBST_MODE): New macro.
15964 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15965 reg and trying to replace reg_regno_rtx with a new register.
15966 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15967 (simplify_set): Use SUBST_MODE.
15968 (distribute_notes): Remove code that tried to update reg notes
15969 for regno_reg_rtx changes.
15971 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15973 PR tree-optimization/23109
15974 PR tree-optimization/23948
15975 PR tree-optimization/24123
15977 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15978 * tree-cfg.c (single_noncomplex_succ): New.
15979 * tree-flow.h (single_noncomplex_succ): Declare it.
15980 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15981 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15982 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15983 insert_bb, register_division_in, insert_reciprocals,
15984 replace_reciprocal, free_bb): New.
15985 (execute_cse_reciprocals_1): Rewritten.
15986 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15987 Do not commit any edge insertion. Always compute dominators and
15988 create the allocation pool.
15989 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15990 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15991 * targhooks.c (default_min_divistions_for_recip_mul): New.
15992 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15993 * passes.c (init_optimization_passes): Run recip after tree loop
15995 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15997 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15998 Kenneth Zadeck <zadeck@naturalbridge.com>
16000 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16001 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16002 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16003 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16004 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16005 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16006 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16007 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16008 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16009 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16010 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16011 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16012 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16013 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16014 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16015 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16016 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16017 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16018 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16019 DF_SCAN_POST_ALLOC): New macros.
16020 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16021 df_free_bb_function, df_local_compute_function, df_init_function,
16022 df_dataflow_function, df_confluence_function_0,
16023 df_confluence_function_n, df_transfer_function,
16024 df_finalizer_function, df_free_function, df_dump_problem_function,
16025 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16026 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16027 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16028 df_urec_bb_info, ) New types.
16029 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16031 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16032 df_analyze_simple_change_some_blocks,
16033 df_analyze_simple_change_one_block, df_compact_blocks,
16034 df_bb_replace, df_bb_regno_last_use_find,
16035 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16036 df_insn_regno_def_p, df_find_def, df_find_use,
16037 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16038 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16039 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16040 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16041 debug_df_chain, df_get_dependent_problem, df_chain_create,
16042 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16043 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16044 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16045 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16046 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16047 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16048 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16049 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16050 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16051 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16052 df_reorganize_refs, df_set_state, df_hard_reg_init,
16053 df_read_modify_subreg_p) New public functions.
16054 * df-core.c: The core dataflow solver and glue routines for rtl
16056 (df_init, df_add_problem, df_set_blocks, df_finish,
16057 df_hybrid_search_forward, df_hybrid_search_backward,
16058 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16059 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16060 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16061 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16062 df_reg_defined, df_find_use, df_reg_used, df_dump,
16063 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16064 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16065 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16066 debug_df_useno, reset_df_after_reload): New functions.
16067 * df-scan.c: The scanning fuctions, once in df.c, completely
16068 rewritten so that they now fully model the functionality of
16069 register usage at the backend.
16070 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16071 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16072 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16073 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16074 df_get_artificial_defs, df_get_artificial_uses,
16075 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16076 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16077 df_refs_delete, df_reorganize_refs, df_set_state,
16078 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16079 df_def_record_1, df_defs_record, df_uses_record,
16080 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16081 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16082 df_record_exit_block_uses, df_hard_reg_init): New functions.
16084 * df-problems.c: Seven concrete dataflow problems that use the
16085 scanning in df-scan.c and are solved by the engine in df-core.c.
16086 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16087 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16088 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16089 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16090 df_ru_free_bb_info, df_ru_alloc,
16091 df_ru_bb_local_compute_process_def,
16092 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16093 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16094 df_ru_transfer_function, df_ru_free, df_ru_dump,
16095 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16096 df_rd_free_bb_info, df_rd_alloc,
16097 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16098 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16099 df_rd_transfer_function, df_rd_free, df_rd_dump,
16100 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16101 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16102 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16103 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16104 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16105 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16106 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16107 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16108 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16109 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16110 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16111 df_urec_mark_reg_use_for_earlyclobber,
16112 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16113 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16114 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16115 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16116 df_chain_create_bb_process_use, df_chain_create_bb,
16117 df_chain_finalize, df_chain_free, df_chains_dump,
16118 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16119 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16120 df_reg_lifetime): New functions.
16121 * df.c: Deleted file.
16122 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16123 consistent with new df api.
16124 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16125 rest_of_handle_sms): Ditto.
16126 * web.c (unionfind_union, union_defs, entry_register, web_main):
16128 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16129 invariant_expr_equal_p, find_defs, check_dependencies,
16130 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16131 free_inv_motion_data, move_loop_invariants): Ditto.
16132 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16133 Update dependencies.
16134 (odf.c): Added defective entry that was deleted later in day.
16135 * sched-deps.c (sched_analyze_1): Ditto.
16137 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16139 * tree-ssa-operands.c (get_expr_operands): Record addressable
16140 variables directly. Do not call add_stmt_operands for CONST_DECLs
16142 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16143 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16145 2006-01-11 Ben Elliston <bje@au.ibm.com>
16147 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16148 function returns true in the positive case.
16150 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16153 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16154 for SI, DI, SF and DF modes. Add alternatives to copy between
16155 general and floating point registers to the 32-bit patterns.
16156 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16157 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16158 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16159 generating 64-bit code.
16160 * config/pa/pa.c (output_move_double): Handle copies between general
16161 and floating registers.
16163 2006-01-10 Stuart Hastings <stuart@apple.com>
16165 * config/i386/i386.md (set_got): Update.
16166 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16167 (builtin_setjmp_receiver): Mach-O support.
16168 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16169 (GOT_SYMBOL_NAME): Define.
16170 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16171 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16172 * config/i386/i386.c (override_options): Revise for Darwin.
16173 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16174 support. (darwin_x86_file_end): New. (output_set_got): Add label
16175 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16176 * config/i386/i386-protos.h (output_set_got): Likewise.
16177 * config/darwin.c (machopic_legitimize_pic_address): Update
16180 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16182 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16183 when MODE isn't BLKmode.
16185 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16187 PR rtl-optimization/25367
16188 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16190 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16193 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16194 for a negative bound.
16196 2006-01-10 Richard Guenther <rguenther@suse.de>
16198 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16199 Never override with anything constraint.
16201 2006-01-10 Jan Beulich <jbeulich@novell.com>
16203 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16204 256 bits when optimize_size.
16206 2006-01-10 Jan Beulich <jbeulich@novell.com>
16208 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16210 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16211 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16214 2006-01-10 Ben Elliston <bje@au.ibm.com>
16216 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16218 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16219 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16220 (USE_FP_FOR_ARG): Reject decimal float modes.
16221 (function_arg_advance): Likewise.
16222 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16223 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16224 point types in AltiVec vectors.
16225 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16226 (rs6000_libcall_value): Likewise.
16228 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16230 * config/xtensa/ieee754-df.S: New file.
16231 * config/xtensa/ieee754-sf.S: New file.
16232 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16233 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16234 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16236 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16238 * config/sh/predicates.md (binary_float_operator,
16239 binary_logical_operator, commutative_float_operator,
16240 equality_comparison_operator, greater_comparison_operator,
16241 less_comparison_operator, logical_operator,
16242 noncommutative_float_operator, shift_operator,
16243 symbol_ref_operand, unary_float_operator): Remove redundant
16246 2006-01-09 Jeff Law <law@redhat.com>
16248 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16249 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16250 now unused arguments. Callers updated.
16251 (eliminate_redundant_computations): Remove now unused arguments,
16253 (local_fold): Remove, no longer used.
16254 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16256 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16257 (simplify_cond): New function.
16258 (forward_propagate_into_cond): Call simplify_cond.
16260 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16262 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16263 (*vec_extractv2di_1_sse): New.
16265 2006-01-09 Ben Elliston <bje@au.ibm.com>
16267 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16269 2006-01-08 Richard Guenther <rguenther@suse.de>
16271 * tree-ssa-structalias.c (get_constraint_for): Remove
16272 anyoffset argument.
16273 (get_constraint_for_component_ref): Likewise.
16274 (do_deref): Likewise.
16275 (get_constraint_for): Likewise.
16276 (do_structure_copy): Likewise.
16277 (handle_ptr_arith): Likewise.
16278 (find_func_aliases): Likewise. Remove unused need_anyoffset
16281 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16282 Kaz Kojima <kkojima@gcc.gnu.org>
16284 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16285 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16286 (EXTRA_CONSTRAINT_C16): Remove.
16287 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16288 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16289 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16290 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16291 constants of SHmedia. Handle nested constant expressions of
16293 (andcosts): Fix the costs for SHmedia constants.
16294 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16295 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16296 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16297 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16298 (movv4hi_i, movv2si_i): Likewise.
16299 (movsi_const): Adjust the second operand of ior so to match with
16300 the Csu constraint.
16301 (movdi_const, movdi_const_32bit): Likewise.
16302 (movdi_const_16bit+1): Don't sign-extend LOW.
16303 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16305 (*double_shori): Fix the split condition. Use GEN_INT instead
16306 of get_int_mode calls. Mask lower 16-bit of the argument of
16308 (sym2GOTPLT): Remove.
16309 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16311 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16312 instead of EXTRA_CONSTRAINT_C16.
16314 2006-01-07 Ian Lance Taylor <ian@airs.com>
16315 David Edelsohn <edelsohn@gnu.org>
16317 PR rtl-optimization/25662
16318 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16319 for constant operands instead of simplify_gen_binary.
16320 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16321 after trying simplify_binary_operation
16323 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16325 * tree.c (iterative_hash_expr): Hash decls based on UID.
16327 2006-01-06 Eric Christopher <echristo@apple.com>
16329 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16330 (TARGET_UNWIND_EMIT): Fix spelling.
16331 * target.h (gcc_target): Add except_table_label.
16332 * except.c (output_function_exception_table): Use.
16333 * varasm.c (default_emit_except_table_label): New.
16334 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16336 (asm_out): Add here.
16337 * output.h (default_emit_except_table_label): Prototype.
16338 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16339 * config/darwin.c (darwin_emit_except_table_label): Define.
16340 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16342 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16344 PR tree-optimization/18527
16345 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16346 number_of_iterations_special, number_of_iterations_exit):
16347 Move base and step of an iv to a single structure. Add
16348 no_overflow flag, and use it in # of iterations analysis.
16349 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16350 folded_casts argument.
16351 (simple_iv): Pass base and step in a structure. Set no_overflow
16353 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16354 Evaluate expensiveness of computing # of iterations instead of
16355 the final expression.
16356 * tree-scalar-evolution.h (affine_iv): New structure.
16357 (simple_iv): Declaration changed.
16358 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16359 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16360 find_givs_in_stmt): Changed due to simple_iv change.
16362 2006-01-06 Jeff Law <law@redhat.com>
16365 * tree-cfg.c (bsi_replace): Rename final argument from
16366 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16367 change (stmt -> orig_stmt).
16368 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16369 (bsi_remove): Add new argument. Remove EH information
16371 (verify_eh_throw_table_statements): New function.
16372 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16374 * tree-optimize.c (execute_free_cfg_annotations): Verify
16375 the EH throw statement table after removing annotations.
16376 * except.h (verify_eh_throw_table_statements): Prototype.
16377 * tree-flow.h (bsi_remove): Update prototype.
16378 * tree-vrp.c (remove_range_assertions): Add new argument to
16380 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16381 * tree-complex.c (expand_complex_div_wide): Likewise.
16382 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16383 * tree-tailcall.c (eliminate_tailcall): Likewise.
16384 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16385 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16386 * tree-nrv.c (tree_nrv): Likewise.
16387 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16388 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16389 (combine_blocks): Likewise.
16390 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16391 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16392 (cleanup_control_flow): Likewise.
16393 (remove_forwarder_block): Likewise.
16394 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16395 * tree-sra.c (sra_replace): Likewise.
16396 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16397 (forward_propagate_single_use_vars): Likewise.
16398 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16399 * tree-inline.c (expand_call_inline): Likewise.
16400 * tree-vect-transform.c (vect_transform_loop): Likewise.
16401 * tree-outof-ssa.c (rewrite_trees): Likewise.
16402 * tree-cfg.c (make_goto_expr_edges): Likewise.
16403 (cleanup_dead_labels): Likewise.
16404 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16405 (bsi_move_before, bsi_move_after): Likewise.
16406 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16407 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16409 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16412 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16414 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16415 on non gimple variables. Also add checks at the top for decls and
16417 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16419 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16420 and IMAGPART_EXPR for creating MUST_DEFs.
16421 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16422 and NAME_MEMORY_TAG separately from the DECLs.
16424 2006-01-06 Richard Guenther <rguenther@suse.de>
16426 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16427 annotation, if necessary.
16428 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16429 redundant calls to update_stmt.
16430 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16433 2006-01-05 Richard Henderson <rth@redhat.com>
16435 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16437 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16439 * c-typeck.c: Update copyright date.
16441 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16443 * c-typeck.c (build_c_cast): Always warn when casting
16444 from a pointer to an integer of different size, even if
16445 the node was constant.
16447 2006-01-05 Richard Guenther <rguenther@suse.de>
16449 PR tree-optimization/22555
16450 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16451 if one structure field is an array.
16452 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16453 operands even if we found a subvar, but ignore VOPs in this
16455 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16457 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16459 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16461 PR middle-end/24998
16462 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16464 2006-01-05 Richard Guenther <rguenther@suse.de>
16465 Diego Novillo <dnovillo@redhat.com>
16467 * tree-pass.h (TODO_remove_unused_locals): Define.
16468 * gimple-low.c (expand_var_p, remove_useless_vars,
16469 pass_remove_useless_vars): Remove. Update all users.
16470 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16471 (remove_unused_locals): New function.
16472 * tree-flow.h (remove_unused_locals): Declare.
16473 * passes.c (execute_todo): Call remove_unused_locals if
16474 TODO_remove_unused_locals is set.
16475 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16476 * tree-ssa-dce.c (pass_dce): Likewise.
16477 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16479 2006-01-05 Richard Guenther <rguenther@suse.de>
16481 * tree-flow.h (struct fieldoff): Decompose field to
16482 type, size and decl.
16483 * tree-ssa-alias.c (create_sft): Take type as parameter.
16484 (create_overlap_variables_for): Store type, size and decl
16485 in the fieldoff structure.
16486 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16487 of struct fieldoff.
16488 (push_fields_onto_fieldstack): Likewise.
16489 (create_variable_info_for): Likewise. Use offset for the
16490 SFT name if the decl is not available.
16492 2006-01-04 Paul Brook <paul@codesourcery.com>
16494 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16496 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16498 * lambda-code.c (can_put_in_inner_loop): Relax
16500 (can_put_after_inner_loop): New function.
16501 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16502 (perfect_nestify): Change to make copies and modify uses.
16504 2006-01-04 Richard Henderson <rth@redhat.com>
16506 Merge from gomp branch:
16507 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16508 via integer constant.
16509 (pragma_lex): Remove.
16510 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16511 rather than parsing it.
16512 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16513 handle_pragma_extern_prefix): Add %< %> quotes.
16514 (registered_pragmas): New.
16515 (c_register_pragma_1): New.
16516 (c_register_pragma): Use it.
16517 (c_register_pragma_with_expansion): Likewise.
16518 (c_invoke_pragma_handler): New.
16519 (init_pragma): Use cpp_register_deferred_pragma directly for
16521 * c-pragma.h (enum pragma_kind): New.
16522 (pragma_handler): New.
16523 (c_invoke_pragma_handler): Declare.
16524 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16526 * c-common.h (c_common_pch_pragma): Update decl.
16527 * Makefile.in (c-parser.o): Update dependencies.
16528 (GTFILES): Add c-pragma.h.
16529 * c-parser.c (struct c_token): Add pragma_kind.
16530 (struct c_parser): Add in_pragma.
16531 (c_lex_one_token): Always initialize keyword and pragma_kind.
16532 Extract data for CPP_PRAGMA.
16533 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16534 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16535 Don't allow CPP_PRAGMA_EOL if in_pragma.
16536 (c_parser_consume_pragma): New.
16537 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16538 (c_parser_skip_to_end_of_parameter): Likewise.
16539 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16540 (c_parser_skip_to_pragma_eol): New.
16541 (c_parser_external_declaration): Handle CPP_PRAGMA.
16542 (c_parser_compound_statement_nostart): Likewise.
16543 (c_parser_statement_after_labels): Likewise.
16544 (c_parser_pragma): New.
16545 (pragma_lex): Likewise.
16546 (c_parser_pragma_pch_preprocess): New.
16547 (c_parser_new): Merge into ...
16548 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16550 2006-01-04 Jeff Law <law@redhat.com>
16553 * tree-cfg.c (bsi_replace): Remove the original statement
16554 from the EH throw statement table.
16556 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16558 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16559 make the prototype extern "C" and add throw ().
16562 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16563 and pos non-negative and pos + len <= 32.
16564 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16565 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16566 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16569 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16570 as well as sizes not multiple of component size.
16573 * function.c (instantiate_expr): New function.
16574 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16575 walk its DECL_VALUE_EXPR with instantiate_expr.
16577 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16578 DW_OP_deref{,_size} if address isn't going to be added.
16580 2006-01-04 Ben Elliston <bje@au.ibm.com>
16582 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16583 * config/fp-bit.c: Likewise.
16585 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16587 * dominance.c: Add comment about why we use DFS numbering
16590 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16591 Richard Henderson <rth@redhat.com>
16593 Merge from gomp-branch:
16594 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16595 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16597 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16599 PR rtl-optimization/25578
16600 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16601 pass a parameter to simplify_shift_const if changing ASHIFTRT
16604 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16606 * builtins.c (get_builtin_sync_mem): New function.
16607 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16608 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16609 Call get_builtin_sync_mem to generate mem rtx.
16611 2006-01-03 Richard Guenther <rguenther@suse.de>
16614 * stmt.c (add_case_node): Make sure to clear overflow flags
16617 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16619 Merge from gomp-branch.
16620 * config/sparc/sync.md: New file.
16621 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16622 UNSPECV_LDSTUB): New constants.
16623 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16624 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16625 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16628 2006-01-03 Roger Sayle <roger@eyesopen.com>
16630 * combine.c (reg_subword_p): New predicate to test whether the
16631 destination of a set refers to a subword/piece of a register.
16632 (try_combine): Generalize the code to merge the setting of a
16633 pseudo to a constant followed by a set of a subword of that
16634 register to a constant.
16636 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16638 * basic-block.h (control_flow_graph): Change the type of
16639 x_label_to_block_map to VEC(basic_block,gc) *.
16640 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16641 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16643 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16644 VEC(basic_block,heap) *.
16645 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16646 ssa_prop_fini): Adjust the uses of cfg_blocks.
16648 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16650 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16652 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16653 hashing trees instead of a pointer hash.
16654 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16655 compare for MEM_EXPR.
16657 PR rtl-optimization/25130
16658 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16659 when comparing MEMs for GCSE
16661 2006-01-03 Ben Elliston <bje@au.ibm.com>
16663 * targhooks.h (default_decimal_float_supported_p): Declare.
16664 * targhooks.c (default_decimal_float_supported_p): Define.
16665 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16666 `default_decimal_float_supported_p'.
16667 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16669 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16671 * combine.c (apply_distributive_law <SUBREG>): Check
16672 TRULY_NOOP_TRUNCATION.
16674 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16676 * dwarf2out.c (have_switched_text_section): Delete.
16677 (have_multiple_function_sections): New.
16678 (have_location_lists): Make 'bool'.
16679 (add_AT_loc_list): Use 'true' not '1'.
16680 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16681 (output_loc_list): Use have_multiple_function_sections.
16682 (output_ranges): Likewise.
16683 (dwarf2out_begin_function): Set have_multiple_function_sections if
16685 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16686 Check function_section rather than DECL_SECTION_NAME.
16687 (dwarf2out_finish): Use have_multiple_function_sections.
16688 Don't clear have_location_lists.
16690 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16691 Jan Hubicka <jh@suse.cz>
16693 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16694 case of conditional jump jumping to the next instruction.
16695 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16696 cases of conditional jump jumping to the next instruction.
16698 2006-01-02 Jan Hubicka <jh@suse.cz>
16700 * i386.c (*_cost): Add COSTS_N_INSNS.
16701 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16703 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16706 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16708 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16710 * config/arm/arm.c (all_fpus): Fix comment typo.
16711 * config/darwin.c: Likewise.
16712 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16713 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16714 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16716 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16718 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16719 (rs6000_split_compare_and_swapqhi): New.
16720 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16721 (sync_compare_and_swapqhi_internal): New.
16722 * config/rs6000/rs6000-protos.h: Declare.