1 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
8 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
9 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
12 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
16 (fold_builtin_pow): Evaluate constant arguments at compile-time
18 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
19 (do_mpfr_ckconv): New helper function.
20 (do_mpfr_arg1): Use do_mpfr_ckconv.
23 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
26 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
27 (-fdump-rtl-sched): Rename to ..
28 (-fdump-rtl-sched1): here. Also fix file extension number.
30 2006-10-28 Richard Guenther <rguenther@suse.de>
32 * fold-const.c (maybe_canonicalize_comparison): Fix code
35 2006-10-28 Uros Bizjak <uros@kss-loka.si>
37 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
38 (NON_QI_REG_P): Use IN_RANGE.
39 (REX_INT_REGNO_P): Use IN_RANGE.
40 (FP_REGNO_P): Use IN_RANGE.
41 (SSE_REGNO_P): Use IN_RANGE.
42 (REX_SSE_REGNO_P): Use IN_RANGE.
43 (MMX_REGNO_P): Use IN_RANGE.
44 (STACK_REGNO_P): New macro.
45 (STACK_REG_P): Use STACK_REGNO_P.
46 (NON_STACK_REG_P): Use STACK_REGNO_P.
47 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
48 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
49 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
50 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
51 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
53 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
55 * except.h (output_function_exception_table): Add 'const char*' param.
56 * except.c (switch_to_exception_section): Add 'const char*' param.
57 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
58 and flag_function_sections is set, use a function-specific section.
59 (output_function_exception_table): Add 'const char*' param.
60 Adjust call to switch_to_exception_section.
61 * final.c (rest_of_handle_final): Adjust calls to
62 output_function_exception_table.
63 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
64 * config.in: Regenerate.
65 * configure: Likewise.
67 2006-10-28 Richard Guenther <rguenther@suse.de>
70 * fold-const.c (maybe_canonicalize_comparison_1): Helper
71 for maybe_canonicalize_comparison.
72 (maybe_canonicalize_comparison): New function for canonicalizing
74 (fold_comparison): Call it to canonicalize comparisons with
77 2006-10-28 Richard Guenther <rguenther@suse.de>
80 * builtins.c (expand_builtin_int_roundingfn_2): Expand
81 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
82 (expand_builtin): Adjust likewise.
83 * genopinit.c (optabs[]): Add lround optab.
84 * optabs.c (init_optabs): Initialize lround_optab.
85 * optabs.h (enum convert_optab_index): Add COI_lround.
86 (lround_optab): Define.
87 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
88 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
90 (ix86_expand_lround): New function.
91 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
93 * doc/md.texi (lroundMN2): Document.
95 2006-10-28 Uros Bizjak <uros@kss-loka.si>
98 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
99 argument to HOST_WIDE_INT. Update function prototype.
100 (round_frame_size): Change return type to HOST_WIDE_INT. Change
101 "size" argument to HOST_WIDE_INT. Update function prototype.
103 2006-10-28 Uros Bizjak <uros@kss-loka.si>
105 * config/i386/i386.c (output_387_ffreep): Create output from a
106 template string for !HAVE_AS_IX86_FFREEP.
108 2006-10-27 Eric Christopher <echristo@apple.com>
110 * config/darwin.c: Fix formatting and grammar.
112 2006-10-27 Jan Hubicka <jh@suse.cz>
114 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
115 to be thrown away soon when IGNORE is set.
116 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
117 indicating when return value shall not be computed.
118 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
120 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
122 * config/i386/i386.h (TARGET_GEODE):
123 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
124 (TARGET_CPU_DEFAULT_geode): New macro.
125 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
126 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
127 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
128 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
129 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
131 (TARGET_CPU_DEFAULT_NAMES): Add geode.
132 (processor_type): Add PROCESSOR_GEODE.
134 * config/i386/i386.md: Include geode.md.
137 * config/i386/i386.c (geode_cost): New initialized global
139 (m_GEODE, m_K6_GEODE): New macros.
140 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
141 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
142 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
143 x86_schedule): Use m_K6_GEODE instead of m_K6.
144 (x86_movx, x86_cmove): Set up m_GEODE.
145 (x86_integer_DFmode_moves): Clear m_GEODE.
146 (processor_target_table): Add entry for geode.
147 (processor_alias_table): Ditto.
149 * config/i386/geode.md: New file.
151 * doc/invoke.texi: Add entry about geode processor.
153 2006-10-27 Mike Stump <mrs@apple.com>
155 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
156 __DYNAMIC__ from here back to ...
157 * config/darwin.h (CPP_SPEC): ... here.
159 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
160 Nathan Sidwell <nathan@codesourcery.com>
162 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
163 when choosing the minimum heapsize.
165 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
167 * gcc/unwind-dw2.h: Move cfa-related variables into
168 struct frame_state_reg_info to ensure that the CFA is properly
169 handled when executing DW_CFA_{remember,restore}_state.
170 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
171 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
172 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
173 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
174 gcc/config/rs6000/linux-unwind.h,
175 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
176 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
177 Modify to use new cfa_* fields.
179 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
181 * config/s390/s390.c (s390_init_frame_layout): Check positive
184 2006-10-26 Ben Elliston <bje@au.ibm.com>
186 * gimplify.c (get_name): Remove extraneous break.
187 (gimplify_omp_for): Initialise ret with GS_OK.
189 2006-10-25 Steve Ellcey <sje@cup.hp.com>
191 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
192 Add unix98.o to link line.
194 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
198 Calculate compile-time constants using MPFR.
199 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
200 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
202 2006-10-25 Bob Wilson <bob.wilson@acm.org>
204 * config/xtensa/lib2funcs.S: Use C-style comments.
206 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
208 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
209 (file_table_relative_p): Likewise.
210 (dwarf2out_finish): Likewise.
211 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
213 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
215 * tree-ssa-structalias.c (intra_create_variable_infos):
216 Don't recreate nonlocal_all if it already exists.
218 2006-10-25 Richard Guenther <rguenther@suse.de>
221 * optabs.h (enum optab_index): Remove OTI_lrint.
222 (enum convert_optab_index): Add COI_lrint.
223 (lrint_optab): Adjust.
224 (expand_sfix_optab): Declare.
225 * optabs.c (expand_sfix_optab): New function.
226 (init_optabs): Init lrint_optab as conversion optab.
227 * genopinit.c (lrint_optab): Change to a conversion optab.
228 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
229 expansion via conversion optab.
230 * config/i386/i386.md (*fistdi2_1): Remove
231 flag_unsafe_math_optimizations guard.
232 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
233 fist<mode>2_with_temp): Likewise.
234 (lrint<mode>2): Split into...
235 (lrintxf<mode>2): ... x87 part
236 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
237 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
238 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
239 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
240 * doc/md.texi (lrintMN2): Document.
242 2006-10-25 Uros Bizjak <uros@kss-loka.si>
245 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
246 Use inc and dec instructions for TARGET_USE_INCDEC.
247 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
248 ("sync_double_compare_and_swap<mode>"): Likewise.
249 ("*sync_double_compare_and_swapdi_pic"): Likewise.
250 ("*sync_compare_and_swap_cc<mode>"): Likewise.
251 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
252 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
253 ("sync_old_add<mode>"): Likewise.
254 ("sync_lock_test_and_set<mode>"): Likewise.
255 ("sync_lock_test_and_set<mode>"): Likewise.
256 ("sync_add<mode>"): Likewise.
257 ("sync_sub<mode>"): Likewise.
258 ("sync_ior<mode>"): Likewise.
259 ("sync_and<mode>"): Likewise.
260 ("sync_xor<mode>"): Likewise.
262 2006-10-25 Uros Bizjak <uros@kss-loka.si>
264 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
265 (remainder_optab): Define corresponding macro.
266 (drem_optab): Remove.
267 * optabs.c (init_optabs): Initialize remainder_optab. Remove
268 drem_optab initialization.
269 * genopinit.c (optabs): Implement remainder_optab using
270 remainder?f3 patterns. Remove drem_optab.
271 * builtins.c (expand_builtin_mathfn_2): Handle
272 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
273 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
274 expand_builtin_mathfn_2.
276 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
277 depend on flag_unsafe_math_optimizations.
279 * config/i386/i386.md ("remaindersf3", "remainderdf3")
280 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
281 Do not depend on flag_unsafe_math_optimizations. Use
282 truncxf?f expander instead of truncxf?f_i387_noop.
284 ("fpremxf4", "fprem1xf4"): Do not depend on
285 flag_unsafe_math_optimizations.
286 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
287 flag_unsafe_math_optimizations. Use truncxf?f expander
288 instead of truncxf?f_i387_noop.
290 * doc/md.texi (fmod, remainder): Document standard named pattern.
292 2006-10-24 Richard Sandiford <richard@codesourcery.com>
293 David Daney <ddaney@avtrex.com>
296 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
298 2006-10-25 Ben Elliston <bje@au.ibm.com>
300 * doc/extend.texi (Variable Attributes): Typo fix.
302 2006-10-24 Uros Bizjak <uros@kss-loka.si>
304 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
305 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
306 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
307 (FRAME_POINTER_REGNUM): Update register number to 21.
308 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
309 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
311 * config/i386/i386.c (regclass_map): Add fpcr entry.
312 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
314 (print_reg): Assert REGNO (x) != FPCR_REG.
316 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
317 (DIRFLAG_REG): Renumber.
318 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
319 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
320 (sse_prologue_save, *sse_prologue_save_insn): Renumber
321 hardcoded SSE register numbers.
323 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
324 hardcoded MMX register numbers.
326 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
329 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
330 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
332 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
333 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
334 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
335 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
337 2006-10-24 Richard Guenther <rguenther@suse.de>
340 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
341 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
342 for deciding optimizations in consistency with fold-const.c
343 (fold_builtin_unordered_cmp): Likewise.
345 2006-10-24 Richard Guenther <rguenther@suse.de>
347 * builtins.c (fold_builtin_floor): Fold floor (x) where
348 x is nonnegative to trunc (x).
349 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
350 nonnegative to FIX_TRUNC_EXPR.
352 2006-10-24 Richard Guenther <rguenther@suse.de>
354 PR tree-optimization/29567
355 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
356 for TRUTH_NOT_EXPR. Clarify comments.
358 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
361 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
362 at compile-time using MPFR. Change parameter VALUE to FUNC,
364 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
365 for overflow and underflow at all times and avoid folding in
368 2006-10-24 Ben Elliston <bje@au.ibm.com>
370 * reload1.c: Formatting fixes.
372 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
374 PR tree-optimization/14784
375 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
376 * tree-ssa-structalias.c (get_constraint_for,
377 intra_create_variable_infos): Set is_heapvar.
378 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
379 non-heapvar pointer variables specially.
381 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
384 * builtins.c (fold_builtin_sin, fold_builtin_cos,
385 fold_builtin_tan): Fold all constant arguments. Take a "type"
386 argument as necessary.
388 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
390 2006-10-23 Bob Wilson <bob.wilson@acm.org>
392 * config/xtensa/lib1funcs.asm: Use C-style comments.
394 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
396 * tree.c (local_define_builtin): Replace calls to
397 lang_hooks.builtin_function with add_builtin_function.
398 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
400 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
402 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
403 common code to add_builtin_function.
404 * langhooks.c (add_builtin_function): New function.
405 (lhd_builtin_function): New function.
406 * langhooks.h (struct lang_hooks): Change the signature of
408 (add_builtin_function): New function.
409 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
410 calls to lang_hooks.builtin_function with add_builtin_function.
411 * c-common.c (decl_builtin_1): Replace calls to
412 lang_hooks.builtin_function with add_builtin_function.
413 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
414 lang_hooks.builtin_function with add_builtin_function.
415 * config/frv/frv.c (def_builtin): Replace calls to
416 lang_hooks.builtin_function with add_builtin_function.
417 * config/s390/s390.c (s390_init_builtins): Replace calls to
418 lang_hooks.builtin_function with add_builtin_function.
419 * config/sparc/sparc.c (def_builtin): Replace calls to
420 lang_hooks.builtin_function with add_builtin_function.
421 * config/i386/i386.c (def_builtin): Replace calls to
422 lang_hooks.builtin_function with add_builtin_function.
423 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
424 lang_hooks.builtin_function with add_builtin_function.
425 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
426 lang_hooks.builtin_function with add_builtin_function.
427 * config/stormy16/stormy16.c (xstormy16_init_builtins):
428 Replace calls to lang_hooks.builtin_function with
429 add_builtin_function.
430 * config/iq2000/iq2000.c (def_builtin):
431 Replace calls to lang_hooks.builtin_function with
432 add_builtin_function.
433 * config/ia64/ia64.c (def_builtin): Replace calls to
434 lang_hooks.builtin_function with add_builtin_function.
435 * config/rs6000/rs6000.c (def_builtin): Replace calls to
436 lang_hooks.builtin_function with add_builtin_function.
437 (altivec_init_builtins): Replace calls to
438 lang_hooks.builtin_function with add_builtin_function.
439 * config/arm/arm.c (def_mbuiltin): Replace calls to
440 lang_hooks.builtin_function with add_builtin_function.
441 (arm_init_tls_builtins): Replace calls to
442 lang_hooks.builtin_function with add_builtin_function.
443 * config/mips/mips.c (mips_init_builtins): Replace calls to
444 lang_hooks.builtin_function with add_builtin_function.
445 * config/bfin/bfin.c (def_builtin): Replace calls to
446 lang_hooks.builtin_function with add_builtin_function.
447 * langhooks-def.h (lhd_builtin_function): New function.
448 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
450 2006-10-23 Jakub Jelinek <jakub@redhat.com>
452 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
453 BUILT_IN_STRNCAT_CHK.
455 2006-10-23 Jan Hubicka <jh@suse.cz>
457 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
458 don't do conversion from memmove to memcpy here.
459 (expand_builtin_bcopy, expand_builtin): Update call of
460 expand_builtin_memmove.
461 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
463 2006-10-23 Paul Brook <paul@codesourcery.com>
465 * stor-layout.c (start_record_layout): maximum_field_alignment
466 overrides STRUCTURE_SIZE_BOUNDARY.
468 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
470 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
471 nonlocal function symbols if flag_pic.
473 2006-10-23 Richard Guenther <rguenther@suse.de>
477 * builtins.c (fold_binary): Remove checks for flag_wrapv
478 and flag_trapv where negate_expr_p covers these cases.
480 2006-10-23 Richard Guenther <rguenther@suse.de>
483 * fold-const.c (fold_plusminus_mult_expr): Check exact power
484 of two on the absolute value.
485 (fold_binary): Fold x * -C to -x * C if x is easily negatable
486 and negating -C does not overflow.
488 2006-10-23 Richard Guenther <rguenther@suse.de>
491 * convert.c (convert_to_real): Fold (float)-x to -(float)x
492 only if not flag_rounding_math.
494 2006-10-22 Richard Sandiford <richard@codesourcery.com>
495 Kaz Kojima <kkojima@gcc.gnu.org>
498 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
499 SImode memory reference for the source of a movua.
500 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
501 (movua): Use an unspec instead of sign_extract. Expect the source
502 to have mode BLKmode.
503 (extv, insv): Use a BLKmode rather than SImode memory reference
504 for the source of a movua.
506 2006-10-22 Jeff Law <law@redhat.com>
507 Richard Guenther <rguenther@suse.de>
509 PR tree-optimization/15911
510 * tree-vrp.c (extract_code_and_val_from_cond): New function.
511 (register_edge_assert_for_1): Likewise.
512 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
513 (find_conditional_asserts): Adjust for new function signature.
514 (find_assert_locations): Likewise.
516 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
518 * config/i386/tmmintrin.h: Remove the duplicated content.
520 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
522 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
523 (x86_64-*-*): Likewise.
525 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
526 (override_options): Check SSSE3.
527 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
528 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
529 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
530 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
531 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
532 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
533 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
534 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
535 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
536 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
537 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
538 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
539 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
540 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
541 IX86_BUILTIN_PABSD128.
542 (bdesc_2arg): Add SSSE3.
543 (bdesc_1arg): Likewise.
544 (ix86_init_mmx_sse_builtins): Support SSSE3.
545 (ix86_expand_builtin): Likewise.
546 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
548 * config/i386/i386.md (UNSPEC_PSHUFB): New.
549 (UNSPEC_PSIGN): Likewise.
550 (UNSPEC_PALIGNR): Likewise.
551 Include mmx.md before sse.md.
553 * config/i386/i386.opt: Add -mssse3.
555 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
556 (ssse3_phaddwv4hi3): Likewise.
557 (ssse3_phadddv4si3): Likewise.
558 (ssse3_phadddv2si3): Likewise.
559 (ssse3_phaddswv8hi3): Likewise.
560 (ssse3_phaddswv4hi3): Likewise.
561 (ssse3_phsubwv8hi3): Likewise.
562 (ssse3_phsubwv4hi3): Likewise.
563 (ssse3_phsubdv4si3): Likewise.
564 (ssse3_phsubdv2si3): Likewise.
565 (ssse3_phsubswv8hi3): Likewise.
566 (ssse3_phsubswv4hi3): Likewise.
567 (ssse3_pmaddubswv8hi3): Likewise.
568 (ssse3_pmaddubswv4hi3): Likewise.
569 (ssse3_pmulhrswv8hi3): Likewise.
570 (ssse3_pmulhrswv4hi3): Likewise.
571 (ssse3_pshufbv16qi3): Likewise.
572 (ssse3_pshufbv8qi3): Likewise.
573 (ssse3_psign<mode>3): Likewise.
574 (ssse3_psign<mode>3): Likewise.
575 (ssse3_palignrti): Likewise.
576 (ssse3_palignrdi): Likewise.
577 (abs<mode>2): Likewise.
578 (abs<mode>2): Likewise.
580 * config/i386/tmmintrin.h: New file.
582 * doc/extend.texi: Document SSSE3 built-in functions.
584 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
586 2006-10-22 Ira Rosen <irar@il.ibm.com>
588 * tree-vect-transform.c (vectorizable_load): Use the type of the
589 return value of the mask_for_load builtin to create realign_load
592 2006-10-22 Richard Sandiford <richard@codesourcery.com>
594 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
597 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
599 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
600 (UNSPEC_LDDQU): This.
601 * config/i386/sse.md (sse3_lddqu): Updated.
603 2006-10-21 Richard Guenther <rguenther@suse.de>
605 * builtins.c (expand_builtin_int_roundingfn_2): New function.
606 (expand_builtin): Use it to expand lrint instead of
607 expand_builtin_mathfn.
609 2006-10-21 Uros Bizjak <uros@kss-loka.si>
612 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
613 flag_unsafe_math_optimizations is set.
615 2006-10-21 Uros Bizjak <uros@kss-loka.si>
618 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
619 patterns to use memory input operand in x87->mem->XMM
620 reload sequences. Skip transformation for TARGET_K8.
622 2006-10-21 Uros Bizjak <uros@kss-loka.si>
624 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
625 force operand1 to register if both operands are memory operands.
626 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
627 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
628 if both operands are memory operands.
629 (truncdfsf2): Do not force operand1 to register if both operands
632 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
634 * Makefile.in (LIBS): Add $(GMPLIBS).
635 * doc/install.texi: Update GMP and MPFR requirements.
636 * doc/sourcebuild.texi (need_gmp): Delete.
638 2006-10-21 Richard Guenther <rguenther@suse.de>
640 PR tree-optimization/3511
641 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
642 got new invariant arguments during PHI translation.
644 2006-10-21 Richard Guenther <rguenther@suse.de>
647 * fold-const.c (fold_comparison): Fold signed comparisons
648 of the form X +- C1 CMP Y +- C2.
650 2006-10-21 Richard Guenther <rguenther@suse.de>
653 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
654 if flag_unsafe_math_optimizations is specified. We have
655 flag_finite_math_only for that.
656 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
657 or flag_unsafe_math_optimizations.
659 2006-10-21 Richard Guenther <rguenther@suse.de>
661 * builtins.c (fold_builtin_classify): Fix typo.
663 2006-10-21 Richard Guenther <rguenther@suse.de>
666 * simplify-rtx.c (simplify_const_relational_operation):
667 Do not constant-fold ORDERED and UNORDERED for
668 flag_unsafe_math_optimizations but only we do not need to
669 honor NaNs for the given mode.
671 2006-10-21 Richard Guenther <rguenther@suse.de>
674 * config/i386/i386.c (classify_argument): Remove redundant
675 walking of the BINFOs.
676 (contains_128bit_aligned_vector_p): Likewise.
678 2006-10-20 Mark Mitchell <mark@codesourcery.com>
680 * BASE-VER: Set to 4.3.0.
682 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
684 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
685 (tree_decl_with_vis): Remove artificial_pta_var flag.
686 * tree-flow.h (referenced_var_check_and_insert): Expose.
687 (nonlocal_all): New prototype.
688 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
689 (nonlocal_all): Make global.
690 (nonlocal_lookup): Remove.
691 (nonlocal_insert): Ditto.
692 (create_nonlocal_var): Do not call nonlocal_insert.
693 (get_nonlocal_id_for_type): Remove.
694 (find_global_initializers): Mark new vars we find for renaming.
695 (intra_create_variable_infos): Only create one nonlocal.
696 (expand_nonlocal_solutions): Remove.
697 (compute_points_to_sets): Don't call it.
698 (ipa_pta_execute): Ditto.
699 (init_alias_heapvars): Don't create nonlocal_for_type.
700 (delete_alias_heapvars): Don't remove it.
701 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
704 2006-10-19 Brooks Moses <bmoses@stanford.edu>
706 * doc/install.texi (Downloading GCC): Clarify mention of
707 Fortran in the "full distribution" description.
709 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
711 Fix PR tree-optimization/28778
712 Fix PR tree-optimization/29156
713 Fix PR tree-optimization/29415
714 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
715 (tree_decl_with_vis): Add artificial_pta_var flag.
716 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
718 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
719 (nonlocal_all): Ditto.
720 (struct variable_info): Add directly_dereferenced member.
721 (var_escaped_vars): New variable.
722 (escaped_vars_tree): Ditto.
723 (escaped_vars_id): Ditto.
724 (nonlocal_vars_id): Ditto.
725 (new_var_info): Set directly_dereferenced.
726 (graph_size): New variable
727 (build_constraint_graph): Use graph_size.
728 (solve_graph): Don't process constraints that cannot change the
729 solution, don't try to propagate an empty solution to our
731 (process_constraint): Set directly_dereferenced.
732 (could_have_pointers): New function.
733 (get_constraint_for_component_ref): Don't process STRING_CST.
734 (nonlocal_lookup): New function.
735 (nonlocal_insert): Ditto.
736 (create_nonlocal_var): Ditto.
737 (get_nonlocal_id_for_type): Ditto.
738 (get_constraint_for): Allow results vector to be empty in the case
740 Handle results of calls properly.
741 (update_alias_info): Update alias info stats on number and type of
743 (find_func_aliases): Use could_have_pointers.
744 (make_constraint_from_escaped): Renamed from
745 make_constraint_to_anything, and changed to make constraints from
747 (make_constraint_to_escaped): New function.
748 (find_global_initializers): Ditto.
749 (create_variable_info_for): Make constraint from escaped to any
750 global variable, and from any global variable to the set of
752 (intra_create_variable_infos): Deal with escaped instead of
753 pointing to anything.
754 (set_uids_in_ptset): Do type pruning on directly dereferenced
756 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
757 (init_base_vars): Fix comment, and initialize escaped_vars.
758 (need_to_solve): Removed.
759 (find_escape_constraints): New function.
760 (expand_nonlocal_solutions): Ditto.
761 (compute_points_to_sets): Call find_escape_constraints and
762 expand_nonlocal_solutions.
763 (delete_points_to_sets): Don't fall off the end of the graph.
764 (init_alias_heapvars): Initialize nonlocal_for_type and
766 (delete_alias_heapvars): Free nonlocal_for_type and null out
769 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
771 * fold-const.c (add_double): Rename to add_double_with_sign.
772 Add 'unsigned_p' parameter and take it into account for the overflow.
773 (mul_double): Rename to mul_double_with_sign.
774 Add 'unsigned_p' parameter and take it into account for the overflow.
775 (fold_div_compare): Call add_double_with_sign instead of add_double
776 and mul_double_with_sign instead of mul_double, passing them the
777 unsignedness of the type.
778 * tree.h (add_double): Macroize.
779 (add_double_with_sign): New prototype.
780 (mul_double): Macroize.
781 (mul_double_with_sign): New prototype.
783 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
785 * config/score/crti.asm: New file.
786 * config/score/crtn.asm: New file.
787 * config/score/elf.h: New file.
788 * config/score/mac.md: New file.
789 * config/score/misc.md: New file.
790 * config/score/mul-div.S: New file.
791 * config/score/predicates.md: New file.
792 * config/score/score7.md: New file.
793 * config/score/score.c: New file.
794 * config/score/score-conv.h: New file.
795 * config/score/score.h: New file.
796 * config/score/score.md: New file.
797 * config/score/score-mdaux.c: New file.
798 * config/score/score-mdaux.h: New file.
799 * config/score/score-modes.def: New file.
800 * config/score/score.opt: New file.
801 * config/score/score-protos.h: New file.
802 * config/score/score-version.h: New file.
803 * config/score/t-score-elf: New file.
804 * config.gcc: Add score*-*-* configurations(Update before).
805 * doc/invoke.texi (Score Options): New section.
806 * doc/md.texi (Score family): New section to document constraints.
808 2006-10-19 Nick Clifton <nickc@redhat.com>
810 * config/arm/arm.c: Fix spelling typo.
812 2006-10-18 Tom Tromey <tromey@redhat.com>
814 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
816 2006-10-18 Jan Hubicka <jh@suse.cz>
819 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
822 2006-10-18 Marcin Dalecki <martin@dalecki.de>
824 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
825 TSI_SAME_STMT, since that's the desired entity.
827 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
829 * config/s390/contraints.md: New file.
830 * config/s390/s390-protos.h (s390_mem_constraint,
831 s390_O_constraint_str, s390_N_constraint_str,
832 s390_float_const_zero_p): Function prototypes added.
833 * config/s390/s390.c (s390_extra_constraint_str,
834 s390_const_double_ok_for_constraint_p,
835 s390_const_ok_for_constraint_p): Functions removed.
836 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
837 s390_float_const_zero_p): New functions.
838 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
839 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
840 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
841 Macro definitions removed.
842 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
843 s390_extra_constraint_str): Functions removed.
845 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
846 Richard Sandiford <richard@codesourcery.com>
849 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
850 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
852 2006-10-16 Geoffrey Keating <geoffk@apple.com>
854 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
855 (DWARF2_FRAME_REG_OUT): Likewise.
856 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
857 (DWARF2_FRAME_REG_OUT): Likewise.
859 2006-10-17 Paul Brook <paul@codesourcery.com>
861 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
863 2006-10-16 Brooks Moses <bmoses@stanford.edu>
865 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
866 Standardize on "GNU Fortran" as the official name of the Fortran
869 2006-10-16 Mike Stump <mrs@apple.com>
871 * doc/invoke.texi (Darwin Options): Document -mkernel.
872 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
874 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
875 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
876 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
877 (OS_MISSING_ALTIVEC): Add.
878 * config/i386/i386.c (override_options): Add
879 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
880 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
881 -mkernel, -static or -mdynamic-no-pic is given.
882 (C_COMMON_OVERRIDE_OPTIONS): Add.
883 * config/darwin.opt (fapple-kext): Add.
885 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
886 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
888 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
889 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
890 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
891 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
892 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
894 (flag_apple_kext): Add.
895 (TARGET_KEXTABI): Add.
896 * config/darwin.c (darwin_handle_kext_attribute): Add.
897 (DARWIN_VTABLE_P): Add.
898 (darwin_binds_local_p): Add partial support for rebinding vtables
900 (darwin_kextabi_p): Add.
901 (darwin_override_options): Add.
902 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
903 (darwin_kextabi_p): Add.
904 (darwin_override_options): Add.
905 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
906 __DYNAMIC__ and __STATIC__ here.
908 2006-10-16 Brooks Moses <bmoses@stanford.edu>
910 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
911 Added mention of "make pdf" target, and Texinfo requirements for
914 2006-10-16 DJ Delorie <dj@redhat.com>
916 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
917 into the GOT in case we need a subreg of the address.
919 2006-10-16 Richard Guenther <rguenther@suse.de>
922 * doc/extend.texi (X86 Built-in Functions): Fix typos in
923 SSE builtin documentation. Document SSE2 builtins.
925 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
927 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
928 symbol in the output file for non-shared links when -nostdlib or
929 -nodefaultlibs isn't specified.
931 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
932 posix thread support.
934 2006-10-15 Jan Hubicka <jh@suse.cz>
937 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
938 declared always_inline even when not inlining.
940 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
941 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
942 Andrew Pinski <pinskia@gmail.com>
945 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
947 2006-10-15 Jan Hubicka <jh@suse.cz>
948 Richard Guenther <rguenther@suse.de>
951 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
952 process_function_and_variable_attributes on all variables, including
953 those discovered during cgraph construction phase.
955 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
957 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
959 2006-10-14 Uros Bizjak <uros@kss-loka.si>
961 * config/i386/athlon.md (athlon_fist): Add fisttp.
963 2006-10-13 David Edelsohn <edelsohn@gnu.org>
964 Ian Lance Taylor <ian@airs.com>
967 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
968 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
971 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
973 * config/score/score.c, config/score/score.h: Fix comment
976 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
979 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
982 2006-10-13 Eric Christopher <echristo@apple.com>
984 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
986 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
989 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
990 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
991 alignment supported by 32-bit ELF.
993 2006-10-13 Eric Christopher <echristo@apple.com>
995 * config/darwin.c (darwin_emit_unwind_label): Strip
996 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
998 2006-10-13 Richard Guenther <rguenther@suse.de>
1000 PR tree-optimization/29446
1001 * tree-vrp.c (fix_equivalence_set): Remove.
1002 (extract_range_from_assert): Do not call fix_equivalence_set.
1003 (debug_value_range): Print a newline.
1004 (compare_name_with_value): For equivalence sets with
1005 inconsistent value ranges conservatively bail out.
1006 (compare_names): Likewise.
1008 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1010 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1011 and MPFR for gfortran.
1013 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1015 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1016 alignment supported by 32-bit ELF.
1018 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1022 * c-typeck.c (digest_init): Always allow initializing vectors
1023 that have static storage duration with compound literals.
1024 * tree.c (build_type_attribute_qual_variant): New, based on
1025 build_type_attribute_variant.
1026 (build_type_attribute_variant): Rewrite using the former.
1027 (make_vector_type): Use build_type_attribute_qual_variant to build
1028 type variants. Use type_hash_canon on the others.
1030 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1031 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1033 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1035 2006-10-12 Jan Hubicka <jh@suse.cz>
1038 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1039 current_function_decl is set but current_function_scope is not.
1041 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1043 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1044 emit_insn to emit eh_return_internal instruction.
1045 (eh_return_internal): Explicitly set pc.
1047 2006-10-11 Richard Guenther <rguenther@suse.de>
1049 PR tree-optimization/28230
1050 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1051 to the correct place.
1053 2006-10-11 Richard Guenther <rguenther@suse.de>
1056 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1059 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1061 * configure.ac: Added pdf to "Make-hooks"
1062 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1063 targets and *.pdf file patterns in cleanup targets.
1064 * configure: Regenerated.
1066 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1068 * config/avr/predicates.md: New file.
1069 * config/avr/avr.md: Include it.
1070 (REG_SP): New constant.
1071 (peepholes): Use predicates.
1072 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1073 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1074 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1076 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1078 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1081 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1084 * builtins.c (var_decl_component_p): New function.
1085 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1086 single entry optimization to variables and components thereof.
1088 2006-10-10 Richard Guenther <rguenther@suse.de>
1090 PR rtl-optimization/29323
1091 * except.c (set_nothrow_function_flags): For functions
1092 that do not bind local bail out early.
1094 2006-10-10 Ben Elliston <bje@au.ibm.com>
1096 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1099 2006-10-09 Richard Henderson <rth@redhat.com>
1101 Revert emutls patch.
1103 2006-10-09 Richard Guenther <rguenther@suse.de>
1106 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1109 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1112 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1113 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1114 * configure: Regenerate.
1115 * config.in: Regenerate.
1117 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1119 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1121 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1123 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1124 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1125 Remove stray newline.
1127 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1129 * config/mips/mips.c (mips_classify_symbol): Do not return
1130 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1131 (mips_in_small_data_p): Tweak comments.
1133 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1135 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1137 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1139 * gimplify.c, sched-int.h: Fix comment typos.
1141 * sched-int.h: Fix comment typos.
1143 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1145 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1147 * sched-ebb.c (begin_schedule_ready): Use them.
1148 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1149 add_to_speculative_block, create_check_block_twin, speculate_insn,
1150 fix_jump_move, move_block_after_check): Ditto.
1151 * sched-rgn.c (new_ready): Ditto.
1153 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1155 PR rtl-optimization/29128
1156 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1157 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1158 allow interblock movement of speculation checks.
1160 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1163 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1164 casted to integer type.
1165 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1166 if they are significantly more expensive than [reg + index] ones.
1168 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1170 PR tree-optimization/29330
1171 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1172 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1173 on newly allocated ddrs.
1174 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1175 to VEC (loop_p, heap) pointer.
1176 (compute_data_dependences_for_loop): Adjust caller.
1177 (free_dependence_relations): Free DDR_LOOP_NEST.
1179 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1180 free DEPENDENCE_RELATIONS and DATAREFS.
1183 * builtins.c (expand_builtin_sync_operation,
1184 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1185 Use convert_to_mode to handle promoted arguments.
1187 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1189 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1191 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1193 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1195 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1197 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1198 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1199 Use <modeconstraint> instead of "r" as operand 1 constraint.
1201 2006-10-06 Olivier Hainque <hainque@adacore.com>
1203 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1204 Don't recurse on the pointed-to type.
1205 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1206 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1207 types with components of variable size.
1209 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1211 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1213 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1215 PR tree-optimization/29290
1216 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1220 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1221 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1224 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1225 the number of vector elements fill the rest with zeros.
1227 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1229 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1230 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1233 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1235 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1236 unnamed pattern into subsi3. Use correct constraints/predicates.
1237 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1238 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1240 2006-10-05 Ira Rosen <irar@il.ibm.com>
1242 * doc/loop.texi: Add data references analysis description.
1244 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1246 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1248 2006-10-04 Richard Henderson <rth@redhat.com>
1249 Jakub Jelinek <jakub@redhat.com>
1251 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1252 * builtin-types.def (BT_WORD): Make unsigned.
1253 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1254 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1255 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1256 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1257 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1258 * cgraph.c (decide_is_variable_needed): Look at force_output.
1259 Recurse for emulated tls.
1260 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1261 checks redundant with decide_is_variable_needed.
1262 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1263 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1265 * expr.c (emutls_var_address): New.
1266 (expand_expr_real_1): Expand emulated tls.
1267 (expand_expr_addr_expr_1): Likewise.
1268 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1269 * output.h (emutls_finish): Declare.
1270 * toplev.c (compile_file): Call it.
1271 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1272 address before wrapping in CONST.
1273 * varasm.c (emutls_htab, emutls_object_type): New.
1274 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1275 (get_emutls_object_name, get_emutls_object_type): New.
1276 (get_emutls_init_templ_addr, emutls_decl): New.
1277 (emutls_common_1, emutls_finish): New.
1278 (assemble_variable): When emulating tls, swap decls; generate
1279 constructor for the emutls objects.
1280 (do_assemble_alias): When emulating tls, swap decl and target name.
1281 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1283 * emutls.c: New file.
1284 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1285 tls_object for real tls.
1287 2006-10-04 Zack Weinberg <zackw@panix.com>
1289 Fix bug in constraint-check generator, reported by Rask Ingemann
1291 * genpreds.c (add_constraint): Don't remove anything from the
1293 (write_tm_constrs_h): Detect whether "op" argument is used, and
1294 mark it ARG_UNUSED if it isn't.
1295 (write_insn_const_int_ok_for_constraint): Skip the part of the
1296 expression that would test whether "op" (which is not available
1297 here) is a CONST_INT.
1299 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1302 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1304 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1306 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1307 current Leopard versions.
1308 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1310 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1312 * doc/install.texi: Fix typos.
1314 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1316 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1317 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1318 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1320 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1322 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1323 arg to be struct mach_header_64* instead.
1325 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1328 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1329 side effects after the outer expression's post side effects.
1331 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1333 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1334 comments to reflect actual behavior and relationship between
1335 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1337 * doc/c-tree.texi (Working with declarations): Fix documentation
1338 of FIELD_DECL likewise.
1340 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1343 * doc/extend.texi: Add used variable attribute description.
1345 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1348 * c.opt (Woverride-init): New.
1349 * c-opts.c (c_common_post_options): Default warn_override_init to
1351 * c-typeck.c (add_pending_init, output_init_element): Warn for
1352 overriding initializers without side effects.
1353 * doc/invoke.texi (-Woverride-init): Document.
1356 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1358 PR rtl-optimization/28096
1359 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1360 assignment has already been used as a destination earlier in the block.
1362 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1364 * builtins.c (expand_builtin_setjmp): Delete.
1365 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1366 <BUILT_IN_SETJMP_SETUP>: New case.
1367 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1368 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1369 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1370 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1371 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1372 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1373 (lower_function_body): Initialize it to false. If it is set to true
1374 at the end of the processing, emit the setjmp dispatcher.
1375 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1376 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1377 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1378 on the rhs of the assignment.
1379 (lower_builtin_setjmp): New function.
1380 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1381 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1382 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1383 to detect calls that can go to non-local labels. Use specific
1384 helper to create the abnormal edges associated with them.
1385 <MODIFY_EXPR>: Likewise.
1386 (make_abnormal_goto_edges): New function extracted from...
1387 (make_goto_expr_edges): ...here. Call it for computed gotos.
1388 (simple_goto_p): Minor tweak.
1389 (tree_can_make_abnormal_goto): New predicate.
1390 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1391 (tree_purge_dead_abnormal_call_edges): New function.
1392 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1393 (tree_purge_dead_abnormal_call_edges): Likewise.
1394 (make_abnormal_goto_edges): Likewise.
1395 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1396 Purge all dead abnormal edges if the call was in the last statement.
1397 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1398 (execute_fixup_cfg): If there are non-local labels in the function,
1399 scan the basic blocks and split them at calls that can go to non-local
1400 labels or add missing abnormal call edges. Write down the CFG in the
1402 (pass_fixup_cfg): Remove TODO_dump_func flag.
1403 * unwind-sjlj.c: Poison setjmp.
1404 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1405 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1406 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1407 (DONT_USE_BUILTIN_SETJMP): Document it.
1409 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1412 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1413 to 1 when __ppc64__ is defined.
1414 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1416 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1418 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1420 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1421 * config/ia64/unwind-hpux.c: Delete.
1423 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1425 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1426 on the element before gimplifying it, instead of punting if it is of
1429 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1431 * doc/loop.texi: New file.
1432 * doc/gccint.texi: Reference loop.texi.
1433 * Makefile.in (loop.texi): Add.
1435 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1437 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1439 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1440 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1442 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1444 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1446 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1448 * doc/install.texi: Document required versions of GMP and MPFR.
1450 2006-09-27 Paul Brook <paul@codesourcery.com>
1453 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1455 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1457 * reload1.c (alter_reg): Require the alignment of the stack slot to
1458 be at least reg_max_ref_width bytes.
1459 (scan_paradoxical_subregs): Record the largest width in
1462 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1466 * tree-nested.c (struct nesting_info): Added static_chain_added.
1467 (convert_call_expr): Set static_chain_added when adding static
1468 chain. Handle OMP_PARALLEL and OMP_SECTION.
1470 2006-09-25 Matthias Klose <doko@debian.org>
1472 * doc/invoke.texi: Add missing full stop.
1474 2006-09-25 Richard Henderson <rth@redhat.com>
1476 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1477 before cgraph_function_flags_ready.
1479 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1480 Adam Nemet <anemet@caviumnetworks.com>
1482 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1483 determine_common_wider_type): New functions.
1484 (get_computation_aff): Use them to simplify arithmetic between
1485 UBASE and CBASE if they are shortened from the same type.
1487 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1490 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1491 -2147483647 - 1 instead of 0x80000000.
1493 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1495 * flags.h (HONOR_NANS): Fix typo in comment.
1497 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1499 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1501 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1505 * tree.c (merge_attributes, attribute_list_contained): If both
1506 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1508 * c-typeck.c (comptypes_internal): Don't consider aggregates
1509 in different TUs as compatible if there one set of attributes is
1510 not a subset of the other type's attributes.
1511 (composite_type): Try harder not to create a new aggregate type.
1513 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1515 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1516 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1517 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1518 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1519 than replicating condition above.
1520 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1522 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1523 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1524 the linker by default.
1526 2006-09-22 Mike Stump <mrs@apple.com>
1528 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1531 2006-09-22 Richard Guenther <rguenther@suse.de>
1534 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1535 sort of stack variables stable.
1537 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1540 * explow.c (force_reg): Set REG_POINTER flag according to
1543 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1545 PR tree-optimization/28888
1546 * tree-if-conv.c (combine_blocks): Rewritten.
1547 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1548 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1550 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1552 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1555 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1557 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1559 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1561 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1563 2006-09-21 Roger Sayle <roger@eyesopen.com>
1566 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1567 dw_fde_current_label, to be the start of the function, i.e. the same
1568 value as dw_fde_begin.
1570 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1572 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1573 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1574 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1575 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1576 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1577 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1578 (abs<mode>2, neg<mode>2): Likewise.
1579 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1580 (*mips_abs_ps): New define_insn.
1582 2006-09-20 Josh Conner <jconner@apple.com>
1585 * calls.c (expand_call): Allow reuse of structure return stack
1588 2006-09-20 Paul Brook <paul@codesourcery.com>
1590 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1593 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1595 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1596 clean up terminology.
1598 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1601 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1602 with tablejumps in them.
1604 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1607 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1608 wrap it into TARGET_EXPR.
1610 2006-09-20 Eric Christopher <echristo@apple.com>
1612 * config/i386/i386.c (x86_fisttp): Remove.
1613 * config/i386/i386.h (x86_fisttp): Ditto.
1614 (TARGET_FISTTP): Ditto.
1616 2006-09-19 Eric Christopher <echristo@apple.com>
1618 * doc/tm.texi (OBJC_JBLEN): Describe.
1619 * config/i386/darwin.h (OBJC_JBLEN): Define.
1620 * config/rs6000/darwin.h: Ditto.
1622 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1624 PR rtl-optimization/21299
1625 * reload1.c (reload): Purge invalid ASMs in the final pass.
1627 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1630 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1631 pointers as legitimate constants.
1633 2006-09-19 Paul Brook <paul@codesourcery.com>
1636 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1638 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1640 PR tree-optimization/28887
1641 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1642 component parts from the reference.
1643 (gather_memory_references_ref): Record the reference without the
1644 nonaddressable component parts.
1646 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1649 * c-opts.c (c_common_handle_option): Ignore the -std options
1650 if the input language is assembly.
1652 2006-09-17 Ira Rosen <irar@il.ibm.com>
1655 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1657 (ptr_ptr_may_alias_p): Likewise.
1658 (record_record_differ_p): New function.
1659 (base_object_differ_p): Call record_record_differ_p.
1661 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1664 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1665 away for the expr argument.
1667 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1670 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1671 before using it for dumping after vectorizing loops.
1673 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1674 Jack Howarth <howarth@bromo.med.uc.edu>
1677 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1678 skip on error_mark_node.
1679 (rs6000_darwin64_record_arg_recurse): Likewise.
1681 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1683 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1684 * doc/rtl.texi: Remove related documentation.
1686 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1688 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1691 2006-09-15 Jim Wilson <wilson@specifix.com>
1693 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1694 Handle symbol offsets same as they are handled in ia64_expand_move
1697 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1699 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1700 Add forgotten parameter to the fprintf call.
1702 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1704 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1706 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1708 * doc/contrib.texi: Add my entry.
1710 2006-09-15 Nick Clifton <nickc@redhat.com>
1712 * doc/md.texi (Processor pipeline description): Fix typo in
1713 example of how to use the absence_set directive and reword the
1714 description to make it slightly easier to read.
1716 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1718 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1719 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1720 expanding the number of iterations.
1721 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1723 * cfgrtl.c (emit_insn_at_entry): New function.
1724 * rtl.h (emit_insn_at_entry): Declare it.
1725 * integrate.c (emit_initial_value_sets): Use it.
1727 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1729 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1731 (struct loop_work and related VEC declarations): Delete.
1732 (bfin_dump_loops): Print out new member bad.
1733 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1734 (bfin_scan_loop): Don't recurse.
1735 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1736 loops. No longer need to update outer loops if the current one is
1737 found bad. Move some validitiy checks to bfin_discover_loop.
1738 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1739 but changed not to check for nesting. Also changed to use the new bad
1741 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1742 time. Use bitmap based test to discover loop nesting.
1744 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1746 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1749 2006-09-14 Richard Guenther <rguenther@suse.de>
1750 Kazu Hirata <kazu@codesourcery.com>
1752 PR middle-end/28884.
1753 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1754 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1755 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1756 with TARGET_FUNCTION_VALUE.
1758 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1761 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1763 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1765 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1768 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1771 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1774 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1776 * basic_block.h (bb_has_eh_pred): Fix comment.
1778 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1780 * flow.c (calculate_global_regs_live): Invalidate eh registers
1781 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1782 (propagate_block): Handle eh registers as if they were set at basic
1784 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1786 * global.c (global_conflicts): Make eh registers to conflict with
1787 pseudos live at basic block begin.
1788 * basic_block.h (bb_has_eh_pred): New function.
1790 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1792 PR rtl-optimization/28982
1793 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1794 index of a PRE_MODIFY or POST_MODIFY address.
1795 * reload1.c (inc_for_reload): Use find_replacement on the original
1796 base and index registers.
1798 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1800 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1801 for -Os. Update __m128 alignment requirement.
1803 2006-09-13 Jan Hubicka <jh@suse.cz>
1805 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1807 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1809 PR rtl-optimization/28243
1810 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1811 the insn to which the note was originally attached.
1813 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1814 Roger Sayle <roger@eyesopen.com>
1816 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1817 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1818 on platforms that don't use dwarf for debug info.
1820 2006-09-12 Jason Merrill <jason@redhat.com>
1823 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1824 hard_frame_pointer_rtx after using it to update the frame pointer.
1826 2006-09-12 Roger Sayle <roger@eyesopen.com>
1828 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1829 (TARGET_ASM_CLOSE_PAREN): Likewise.
1830 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1831 (TARGET_ASM_CLOSE_PAREN): Likewise.
1833 2006-09-12 Roger Sayle <roger@eyesopen.com>
1836 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1837 frame information for frames larger than 512 Kbytes on Tru64 when
1838 using the native assembler.
1840 2006-09-12 Roger Sayle <roger@eyesopen.com>
1844 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1845 and symbols. Instead use the implementation from cse.c's hash_rtx.
1847 2006-09-12 Jan Hubicka <jh@suse.cz>
1849 PR rtl-optimization/28071
1850 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1851 (vect_transform_loop): Likewise.
1852 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1853 (new_loop_vec_info): Likewise.
1854 (destroy_loop_vec_info): Likewise.
1855 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1856 (create_stmt_ann): Likewise.
1857 (create_tree_ann): Rename to ...
1858 (create_tree_common_ann): ... this one; allocate only the common part
1860 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1861 (get_value_handle): Likewise.
1862 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1863 get_tree_common_ann.
1864 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1865 (vinfo_for_stmt): Use stmt annotations.
1866 * tree-flow.h (tree_ann_common_t): New type.
1867 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1868 (tree_ann, get_tree_ann, create_tree_ann): New.
1869 * tree-flow-inline.h (get_function_ann): Do more type checking.
1870 (stmt_ann): Likewise.
1871 (tree_ann): Rename to ...
1872 (tree_common_ann): ... this one; return ony common_ann
1873 (get_tree_ann): Rename to ...
1874 (tree_common_ann): This one; return only common_ann.
1875 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1878 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1880 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1881 with_cpu by default.
1883 * dwarf2out.c (dwarf_file_data): New.
1884 (enum dw_val_class): Add dw_val_class_file.
1885 (struct dw_val_struct): Add val_file.
1886 (file_table): Change to a hash table.
1887 (file_table_emitted): Delete.
1888 (file_table_last_lookup_index): Delete.
1889 (emitcount): Delete.
1890 (last_emitted_file): New.
1891 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1892 (init_file_table): Delete.
1893 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1894 (AT_addr): Add comment.
1898 (print_die): Handle dw_val_class_file.
1899 (print_dwarf_line_table): Update for new file table structure.
1900 (attr_checksum): Do checksum a filename.
1901 (same_dw_val_p, same_attr_p): Do compare a filename.
1902 (size_of_die): Handle dw_val_class_file.
1903 (value_format): Likewise.
1904 (output_die): Likewise. Also, call maybe_emit_file here.
1905 (struct file_info): Constify filenames. Make file_idx a pointer
1906 to a struct dwarf_file_data.
1907 (struct dir_info): Constify directory names. Remove 'used' field.
1908 (struct file_name_acquire_data): New.
1909 (file_name_acquire): New.
1910 (output_file_names): Modify to handle new file data structures.
1911 (add_src_coords_attributes): Use add_AT_file.
1912 (add_call_src_coords_attributes): Likewise.
1913 (dwarf2out_imported_module_or_decl): Likewise.
1914 (gen_subprogram_die): Modify for new file data structures.
1915 (gen_variable_die): Likewise.
1916 (file_table_eq): New.
1917 (file_table_hash): New.
1918 (file_table_last_lookup): New.
1919 (lookup_filename): Rewrite to handle new file data structures.
1920 (maybe_emit_file): Rewrite to handle new file data structures.
1921 (dwarf2out_source_line): Always call lookup_filename and
1923 (dwarf2out_init): Create file_table here.
1924 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1925 (file_table_relative_p): New.
1926 (dwarf2out_finish): Change detection of relative filenames
1927 to work with new file data structures. Move output_line_info call
1928 after debug_info output.
1930 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1935 * config/i386/i386.c (override_options): Always default to 16
1936 byte stack boundary.
1938 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1941 * var-tracking.c (dump_dataflow_set): Start dumping at
1943 (clobber_variable_part): Kill only the variable part in
1944 registers holding it, leaving other variables alone.
1946 2006-09-11 Josh Triplett <josh@freedesktop.org>
1948 * doc/extend.texi (Other Builtins): Actually use the macro
1949 argument in the documentation example for
1950 __builtin_types_compatible_p.
1952 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1954 PR rtl-optimization/28726
1955 * sched-deps.c (sched_analyze_reg): New function extracted from...
1956 (sched_analyze_1): ...here. Call it to analyze references to
1957 registers. Treat again writes to a stack register as writing to the
1959 (sched_analyze_2): ...and here. Call it to analyze references to
1960 registers. Treat again reads of a stack register as reading the
1963 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1964 David Edelsohn <edelsohn@gnu.org>
1967 * config/rs6000/spe.md (frob_df_di): Remove %H.
1968 (frob_di_df): Remove %H. Change evmergelo to mr.
1969 (frob_di_df_2): Remove %H. Change evldd to two loads.
1971 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1973 * doc/cpp.texi: Fix names of charset options.
1975 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1978 * config/i386/i386.c (override_options): Use 128-bit
1979 stack boundary always for 64bits.
1981 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1983 PR rtl-optimization/28636
1984 * combine.c (force_to_mode): Test for side-effects before
1985 substituting by zero.
1986 (simplify_shift_const): Likewise for zero or other constants.
1988 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1991 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1994 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1997 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1998 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1999 returned by mode_for_size, rather than the mode of src itself,
2000 to choose between 32-bit and 64-bit patterns.
2001 (mips_mem_fits_mode_p): New function.
2002 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2003 that the size of the source matches the size of the destination.
2004 (mov_<store>l, mov_<store>r): Likewise.
2006 2006-09-10 Eric Christopher <echristo@apple.com>
2008 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2011 2006-09-09 Eric Christopher <echristo@apple.com>
2014 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2017 2006-09-09 Roger Sayle <roger@eyesopen.com>
2018 Nicolas Setton <setton@adacore.com>
2020 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2022 2006-09-10 Andreas Schwab <schwab@suse.de>
2024 * config/m68k/m68k.md (bungt_rev): New pattern.
2026 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2027 Dale Johannesen <dalej@apple.com>
2030 * regclass.c (struct reg_pref): Update documentation.
2031 (regclass): Set prefclass to NO_REGS if memory is the best option.
2032 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2034 2006-09-08 Eric Christopher <echristo@apple.com>
2036 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2037 * config/t-slibgcc-darwin: Support x86_64 multilib.
2038 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2039 Return 1 for x86_64-darwin.
2040 * config/i386/t-darwin: Add m64 multilib.
2041 (LIB2_SIDITI_CONV_FUNCS): Use.
2042 (LIB2FUNCS_EXTRA): Ditto.
2043 * config/i386/darwin.h: Support x86_64.
2044 * config/i386/i386.c (override_options): Turn on flag_pic
2045 for x86_64-darwin. Disable flag_omit_pointer.
2046 (get_pc_thunk_name): Assert !TARGET_64BIT.
2047 (legitimate_address_p): Disable machopic addressing for
2049 (legitimize_pic_address): Ditto.
2050 (ix86_expand_move): Ditto.
2051 (ix86_expand_call): Ditto.
2052 (machopic_output_stub): Ditto.
2053 * config/darwin.c (machopic_select_section): Support literal16.
2054 (machopic_select_rtx_section): Ditto.
2055 * config/darwin-sections.def: Ditto.
2056 * config/darwin-64.c: New.
2058 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2061 * c-tree.h (struct c_arg_info): Add pending_sizes.
2062 * c-parser.c (c_parser_parms_declarator,
2063 c_parser_parms_list_declarator): Initialize pending_sizes.
2064 * c-decl.c (get_parm_info): Initialize pending_sizes.
2065 (get_parm_info): Set pending_sizes.
2066 (grokdeclarator): Call put_pending_sizes for parameters for
2067 function definition only.
2069 2006-09-07 Jason Merrill <jason@redhat.com>
2072 * varasm.c (output_constant): Only strip actual no-op conversions.
2075 * config/i386/i386.c (override_options): Use 128-bit
2076 stack boundary if -msse.
2078 2006-09-07 Eric Christopher <echristo@apple.com>
2080 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2082 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2085 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2087 * dwarf2out.c: Remove strange characters from comment above
2088 dwarf2out_frame_debug_expr.
2090 2006-09-07 Eric Christopher <echristo@apple.com>
2092 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2093 * config/darwin.h: ... to here.
2095 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2097 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2099 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2100 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2102 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2103 TARGET_PARTIAL_FLAG_REG_STALL.
2104 (*ashldi3_cconly_rex64): Likewise.
2105 (*ashlsi3_cmp): Likewise.
2106 (*ashlsi3_cconly): Likewise.
2107 (*ashlsi3_cmp_zext): Likewise.
2108 (*ashlhi3_cmp): Likewise.
2109 (*ashlhi3_cconly): Likewise.
2110 (*ashlqi3_cmp): Likewise.
2111 (*ashlqi3_cconly): Likewise.
2112 (*ashrdi3_cmp_rex64): Likewise.
2113 (*ashrdi3_cconly_rex64): Likewise.
2114 (*ashrsi3_cmp): Likewise.
2115 (*ashrsi3_cconly): Likewise.
2116 (*ashrsi3_cmp_zext): Likewise.
2117 (*ashrhi3_cmp): Likewise.
2118 (*ashrhi3_cconly): Likewise.
2119 (*ashrqi3_cmp): Likewise.
2120 (*ashrqi3_cconly): Likewise.
2121 (*lshrdi3_cmp_rex64): Likewise.
2122 (*lshrdi3_cconly_rex64): Likewise.
2123 (*lshrsi3_cmp): Likewise.
2124 (*lshrsi3_cconly): Likewise.
2125 (*lshrsi3_cmp_zext): Likewise.
2126 (*lshrhi3_cmp): Likewise.
2127 (*lshrhi3_cconly): Likewise.
2128 (*lshrqi2_cmp): Likewise.
2129 (*lshrqi2_cconly): Likewise.
2131 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2134 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2135 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2136 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2137 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2138 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2139 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2140 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2141 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2142 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2143 implement only CC setting effects of shift instructions.
2145 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2147 * doc/contrib.texi: Add myself.
2149 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2152 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2153 was set by the user.
2155 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2158 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2159 (divsi_inv_m1): Use them.
2160 (UNSPEC_DIV_INV_TABLE): New constant.
2162 2006-09-06 James E Wilson <wilson@specifix.com>
2165 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2166 then call count_or_remove_death_notes.
2168 2006-09-06 Jason Merrill <jason@redhat.com>
2171 * tree-inline.c (copy_result_decl_to_var): New fn.
2172 (declare_return_variable): Use it. Call declare_inline_vars here.
2173 (expand_call_inline): Not here.
2175 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2177 * doc/contrib.texi: Update my entry.
2179 2006-09-06 Nick Clifton <nickc@redhat.com>
2181 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2183 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2186 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2187 (canonicalize_induction_variables): Likewise.
2188 (tree_unroll_loops_completely): Likewise.
2189 (tree_ssa_prefetch_arrays): Likewise.
2190 (remove_empty_loops): Likewise.
2191 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2192 TODO_cleanup_cfg instead of directly calling
2193 cleanup_tree_cfg_loop.
2194 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2196 (tree_unroll_loops_completely): Likewise.
2197 (remove_empty_loops): Likewise.
2198 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2199 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2200 of tree_ssa_unswitch_loops.
2201 (tree_ssa_loop_ivcanon): Use the return value of
2202 canonicalize_induction_variables.
2203 (tree_ssa_empty_loop): Use the return value of
2205 (tree_complete_unroll): Use the return value of
2206 tree_unroll_loops_completely.
2207 (tree_ssa_loop_prefetch): Use the return value of
2208 tree_ssa_prefetch_arrays.
2209 * passes.c (execute_todo): Before Cleanup CFG, set
2210 updating_used_alone and after cleanup CFG, call
2211 recalculate_used_alone.
2213 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2216 * tree-vect-transform.c (vectorizable_condition): Move the check
2217 for the type after the check for simple condition.
2219 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2220 Kaz Kojima <kkojima@gcc.gnu.org>
2223 * mode-switching.c (optimize_mode_switching): Make the destination
2224 block of an abnormal edge have no anticipatable mode. Don't
2225 insert mode switching code at the end of the source block of
2228 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2230 PR rtl-optimization/26847
2231 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2232 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2233 (simplify_plus_minus): Count n_constants while filling ops. Replace
2234 qsort with insertion sort. Before going through the array to simplify
2235 pairs, sort it. Delay early exit until after the first sort, exiting
2236 only if no swaps occurred. Simplify pairs in reversed order, without
2237 special-casing the first iteration. Pack ops after simplifying pairs.
2239 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2241 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2242 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2243 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2244 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2246 2006-09-05 Richard Guenther <rguenther@suse.de>
2248 PR tree-optimization/28900
2249 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2250 compound conditional before creating COND_EXPR condition.
2252 2006-09-05 Richard Guenther <rguenther@suse.de>
2254 PR tree-optimization/28905
2255 * tree-vrp.c (fix_equivalence_set): Manually implement
2256 !value_ranges_intersect_p to also handle symbolic ranges.
2258 2006-09-05 Richard Guenther <rguenther@suse.de>
2261 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2264 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2266 PR rtl-optimization/27616
2267 * cse.c (table_size): New static variable.
2268 (new_basic_block): Initialize it to 0.
2269 (remove_from_table): Decrement it.
2270 (insert): Increment it.
2271 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2272 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2273 fold_rtx_mem_1 if under the cap.
2274 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2275 the lookup of the equivalent expression and test for equality of the
2276 first operand of the equivalent expression before in turn looking up
2277 an equivalent constant for the second operand.
2279 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2282 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2283 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2284 pointer, instead of assuming it is possible to derive the
2285 correct args size from a call insn.
2287 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2290 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2291 (fold_builtin_mempcpy): Rename to...
2292 (fold_builtin_memory_op): ... this. Optimize one element copy
2294 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2296 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2297 (expand_builtin_memcpy, expand_builtin_mempcpy,
2298 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2299 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2300 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2301 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2303 2006-09-01 DJ Delorie <dj@redhat.com>
2305 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2306 (stzx_16): Likewise.
2307 ("stzx_24_<mode>"): Likewise.
2308 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2309 ("cmp<mode>_op"): New.
2310 (cmp<mode>): Change to expander; just save operands.
2312 (b<code>): Change to expander, emit compare here.
2313 (s<code>_op): Change to use split and expander.
2314 (s<code>_24_op): Likewise.
2315 (s<code>_<mode>): New.
2316 (s<code>_<mode>_24): New.
2317 (movqicc_<code>_<mode): New.
2318 (movhicc_<code>_<mode>): New.
2321 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2322 (m32c_pend_compare): New.
2323 (m32c_unpend_compare): New.
2324 (m32c_expand_scc): New.
2325 (m32c_expand_movcc): Emit the compare also.
2326 * config/m32c/predicates.md (mra_nopp_operand): New.
2328 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2329 Richard Guenther <rguenther@suse.de>
2330 Adam Nemet <anemet@caviumnetworks.com>
2333 * builtins.c (get_pointer_alignment): Handle more forms
2334 of base addresses that can be used to derive more precise
2335 information about alignment.
2337 2006-09-01 Jason Merrill <jason@redhat.com>
2340 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2343 * gimplify.c (voidify_wrapper_expr): Handle null type.
2345 2006-09-01 Josh Conner <jconner@apple.com>
2348 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2349 (execute_return_slot_opt): Use it.
2351 2006-08-31 Josh Conner <jconner@apple.com>
2354 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2355 returning aggregates.
2357 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2359 PR tree-optimization/28839
2360 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2361 blocks in that phi arguments appear.
2363 2006-08-31 Roger Sayle <roger@eyesopen.com>
2366 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2367 NULL, otherwise use an advance_loc4 to adjust relative to the
2369 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2370 (dwarf2out_switch_text_section): Reset the current label to avoid
2371 using advance_loc4 over section boundaries.
2373 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2376 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2377 r12 + SYMBOLIC_CONST.
2379 2006-08-30 Richard Guenther <rguenther@suse.de>
2381 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2383 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2385 PR rtl-optimization/27735
2386 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2387 Add new argument to keep track of whether an irreducible region
2388 was affected. All callers changed.
2389 (fix_irreducible_loops): Removed.
2390 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2391 flags were invalidated.
2393 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2395 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2396 instead of SF operands.
2397 (*fop_df_comm_sse): Likewise.
2398 (*fop_df_comm_i387): Likewise.
2399 (*fop_df_1_mixed): Likewise.
2400 (*fop_df_1_sse): Likewise.
2402 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2403 J"orn Rennecke <joern.rennecke@st.com>
2405 PR tree-optimization/17506
2406 * tree-ssa.c (warn_uninit): If warning about a location outside of
2407 the current function, note where the variable was declared.
2409 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2411 PR tree-optimization/28411
2412 * double-int.c (double_int_div): Use double_int_divmod.
2413 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2414 double_int_mod, double_int_smod, double_int_umod): New functions.
2415 * double-int.h (double_int_divmod, double_int_sdivmod,
2416 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2418 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2420 (get_computation_aff, get_computation_cost_at): Handle double_int
2421 return type of constant_multiple_of.
2423 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2426 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2427 an implicit conversion.
2429 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2431 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2433 2006-08-27 Roger Sayle <roger@eyesopen.com>
2435 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2438 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2440 * config/i386/crtfastmath.c: Fix a comment typo.
2442 2006-08-26 Roger Sayle <roger@eyesopen.com>
2444 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2445 temporary visit flags on CASE_LABEL_EXPRs.
2446 * c-common.c (match_case_to_enum): Add function comment. Avoid
2447 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2448 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2449 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2450 a constant, only warn if that constant value isn't handled.
2452 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2455 * input.h (restore_input_file_stack): Declare.
2456 (INPUT_FILE_STACK_BITS): Define.
2457 * toplev.c (fs_p, input_file_stack_history,
2458 input_file_stack_restored, restore_input_file_stack): New.
2459 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2460 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2461 (pop_srcloc): Don't free old state of stack.
2463 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2466 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2467 (PowerPC Type Attributes): New.
2469 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2471 * config/xtensa/xtensa.c (function_arg_boundary): New.
2472 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2474 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2475 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2477 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2480 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2483 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2485 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2486 (verify_local_live_at_start): Likewise.
2488 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2491 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2492 omp_add_variable): Treat sizes as variable whenever not
2495 2006-08-26 Richard Guenther <rguenther@suse.de>
2498 * fold-const.c (fold_binary): Fold temporary to correct
2499 type before constructing new comparison.
2501 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2504 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2505 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2507 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2510 * c-decl.c (start_function): Don't try to process prototype
2511 information from old declaration that isn't a function.
2513 2006-08-25 Jan Hubicka <jh@suse.cz>
2516 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2518 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2521 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2524 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2526 PR tree-optimization/16876
2527 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2528 exit if PARM doesn't match VALUE.
2530 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2532 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2533 literal_prefix directive.
2534 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2535 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2536 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2538 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2541 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2542 predicate to general_operand. Add 0->y and I->r alternatives.
2544 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2546 * doc/tm.texi: Fix a typo.
2547 * predict.c: Fix comment typos.
2549 2006-08-25 Nick Clifton <nickc@redhat.com>
2551 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2552 assertions of "cpu" and "machine".
2554 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2557 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2558 the access through a base which has an alias set of 0 cannot
2561 2006-08-24 Bill Wendling <wendling@apple.com>
2563 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2565 2006-08-24 Jan Hubicka <jh@suse.cz>
2567 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2569 2006-08-24 Jan Hubicka <jh@suse.cz>
2572 * cgraph.c: Fix comments.
2573 (cgraph_varpool_mark_needed_node): Mark only variables not already
2575 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2576 (cgraph_varpool_assembled_nodes_queue): New static variable.
2577 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2578 (cgraph_varpool_output_debug_info): New function.
2579 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2580 * Makefile.in: Add gt-cgraphunit.h
2582 2006-08-24 Jan Hubicka <jh@suse.cz>
2584 * predict.c (probability_reliable_p): New predicate.
2585 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2586 (predict_loops): Do not predict loop exit with less than 2%
2588 * basic-block.h (edge_probability_reliable_p,
2589 br_prob_note_reliable_p): Declare.
2590 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2591 prediction when static predictor is not reliable.
2592 * rs6000.c (output_cbranch): Likewise.
2594 2006-08-23 Stuart Hastings <stuart@apple.com>
2597 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2598 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2600 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2603 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2604 complex values, nor for generic vector values.
2606 2006-08-22 Richard Guenther <rguenther@suse.de>
2609 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2610 parameter. Convert arguments to arithmetic expression to the
2612 (analyze_scalar_evolution_1): Adjust caller.
2614 2006-08-22 Jan Hubicka <jh@suse.cz>
2616 Patch by Paolo Bonzini
2617 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2620 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2622 PR tree-optimization/28003
2623 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2624 before grouping aliases.
2626 2006-08-22 Roger Sayle <roger@eyesopen.com>
2628 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2629 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2631 2006-08-21 Jason Merrill <jason@redhat.com>
2634 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2635 wrapper. Loop to handle nested wrappers.
2636 (gimplify_bind_expr): Remove temp parameter.
2637 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2638 and STATEMENT_LIST on the rhs.
2639 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2640 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2641 (gimplify_target_expr): Remove special BIND_EXPR handling.
2643 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2645 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2648 2006-08-21 Olivier Hainque <hainque@adacore.com>
2650 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2651 Arrange for the temporary captures of components overlapping the lhs
2652 to happen before the lhs is possibly cleared.
2654 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2656 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2657 necessary places to pass the correct "number of registers" values
2660 2006-08-20 Jan Hubicka <jh@suse.cz>
2662 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2663 (create_name_tags): Instead of quadratic checking use hashtable.
2664 * bitmap.h: Include hashtab.h.
2665 (bitmap_hash): Declare.
2666 * bitmap.c (bitmap_hash): New function.
2668 2006-08-20 Jan Hubicka <jh@suse.cz>
2670 PR rtl-optimization/28071
2671 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2673 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2674 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2675 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2676 cgraph_decide_inlining_incrementally): Update use of
2677 cgraph_check_inline_limits.
2678 * cgraph.c (edge_hash, edge_eq): New function.
2679 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2680 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2681 cgraph_remove_node): Maintain call site hash.
2682 * cgraph.h (struct cgraph_node): Add call_site_hash.
2683 (cgraph_set_call_stmt): New function.
2685 2006-08-20 Jan Hubicka <jh@suse.cz>
2687 PR rtl-optimization/28071
2688 * reload1.c (reg_has_output_reload): Turn into regset.
2689 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2690 choose_reload_regs, emit_reload_insns): Update to new
2691 reg_has_output_reload.
2693 2006-08-20 Jan Hubicka <jh@suse.cz>
2696 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2697 function body sizes.
2698 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2700 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2703 * tree.c (handle_dll_attribute): Return early if not a
2704 var or function decl.
2706 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2709 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2710 alignment of SPE vector types.
2712 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2714 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2716 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2719 * cgraph.h (struct cgraph_node): Remove externally_visible
2721 * cgraphunit.c (process_function_and_variable_attributes): Set
2722 local.externally_visible rather than externally_visible.
2725 * c-common.c (handle_externally_visible_attribute): First look
2726 at TREE_CODE and only if it is function or var decl, check for
2727 non-public objects. Don't warn for DECL_EXTERNAL.
2728 * cgraphunit.c (process_function_and_variable_attributes): Warn
2729 if externally_visible attribute is used on non-public object.
2731 2006-08-17 Jan Hubicka <jh@suse.cz>
2733 PR tree-optimization/27865
2734 * reload1.c (forget_marked_reloads): New function.
2735 (forget_old_reloads_1): When data are passed, just mark the registers
2737 (reload_as_needed): Use the new mechanizm.
2739 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2742 * reload.h (reg_equiv_alt_mem_list): New declaration.
2743 * reload1.c (reg_equiv_alt_mem_list): New definition.
2744 (reload): Initialize it and release it.
2745 (delete_output_reload): Use it.
2746 * reload.c (push_reg_equiv_alt_mem): New function.
2747 (find_reloads_toplev): Call it.
2748 (find_reloads_address, find_reloads_address_1): Likewise.
2749 (find_reloads_subreg_address): Likewise.
2751 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2753 PR rtl-optimization/28489
2754 * sched-ebb.c (begin_schedule_ready): Create basic block
2756 (advance_target_bb): Skip empty blocks.
2757 * haifa-sched.c (bb_note): Make global.
2758 * sched-int.h (bb_note): Add prototype.
2760 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2762 PR tree-optimization/27865
2763 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2765 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2766 fold_used_pointer, pointer_used_p): New functions.
2767 (analyze_scalar_evolution_1): Use fold_used_pointer.
2768 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2769 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2772 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2775 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2776 or the INTEGER_CST. Fail on a CALL_EXPR.
2777 (fold_offsetof): Pass new argument to fold_offsetof_1.
2778 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2779 operand into an INDIRECT_REF.
2780 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2782 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2784 PR gcov/profile/26570
2785 * value-prof.c (static_values): Removed.
2786 (tree_find_values_to_profile): Do not set static_values.
2787 (find_values_to_profile): Do not free static_values.
2788 * profile.c (instrument_values): Do not free the values.
2789 (branch_prob): Free the values.
2791 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2793 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2795 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2798 * c-typeck.c (build_component_ref): Combine qualifiers of
2799 structure or union and field.
2801 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2803 PR rtl-optimization/28071
2804 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2805 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2806 * tree-into-ssa.c (struct dom_dfsnum): New.
2807 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2809 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2810 compute_global_livein.
2811 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2812 in phi nodes in the correct blocks.
2814 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2816 PR tree-optimization/28364
2817 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2819 (fold_affine_expr): New function.
2820 (may_eliminate_iv): Use fold_affine_expr.
2822 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2825 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2828 2006-08-16 Mike Stump <mrs@apple.com>
2830 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2831 * doc/cppopts.texi (-MD): Likewise.
2833 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2836 * c-common.c (handle_weak_attribute): Ignore and warn if
2837 not a FUNCTION_ or VAR_DECL.
2839 2006-07-15 Mike Stump <mrs@apple.com>
2842 * c-parser.c (c_parser_typeof_specifier): Don't use
2843 c_finish_expr_stmt, open code desired semantics instead.
2845 2006-08-15 Nick Clifton <nickc@redhat.com>
2847 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2848 fragment to tmake_file only if threads are enabled.
2849 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2850 * config/i386/t-gthr-win32: New file. ... here.
2852 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2855 * c-parser.c (c_parser_compound_statement_nostart): Reset
2856 parser->error after each statement.
2858 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2861 * omp-low.c (lower_omp_parallel): Convert t to
2862 receiver_decl's type.
2863 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2864 source before comparison.
2867 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2868 to itype in assignment to oldival2.
2870 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2874 * c-typeck.c (build_compound_expr): If the second expression
2875 is an error mark, then just return an error mark instead of
2876 creating a COMPOUND_EXPR.
2878 2006-07-14 Mike Stump <mrs@apple.com>
2880 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2882 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2884 * c-decl.c, var-tracking.c: Fix comment typos.
2886 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2888 PR rtl-optimization/28634
2889 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2890 for floating-point modes unless flag_unsafe_math_optimizations.
2892 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2893 Andrew Pinski <pinskia@physics.uc.edu>
2896 * tree.c (build_array_type): Unify array types with
2897 unspecified index_type.
2898 * c-decl.c (grokdeclarator): Make sure we do not modify a
2899 unified incomplete array type.
2900 * c-typeck.c (store_init_value): Create distinct type before
2901 filling in the index type in an initializer from a compound
2904 * c-decl.c (grokdeclarator): Remove code where we copy the
2907 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2909 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2910 into account for TODO_dump_cgraph.
2911 (TODO_update_ssa_no_phi): Likewise.
2912 (TODO_update_ssa_full_phi): Likewise.
2913 (TODO_update_ssa_only_virtuals): Likewise.
2914 (TODO_remove_unused_locals): Likewise.
2915 (TODO_set_props): Likewise.
2916 (TODO_update_stmt_usage): Likewise.
2918 2006-08-13 Dirk Mueller <dmueller@suse.de>
2920 * c-common.c (strict_aliasing_warning): Fix formatting.
2922 2006-08-13 Matthias Klose <doko@debian.org>
2924 * doc/invoke.texi: Fix spelling errors.
2926 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2928 PR rtl-optimization/23454
2929 * reorg.c (relax_delay_slots): Update comment.
2931 2006-08-11 Richard Guenther <rguenther@suse.de>
2934 * simplify-rtx.c (simplify_const_relational_operation):
2935 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2938 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2940 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2941 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2943 2006-08-10 Paul Brook <paul@codesourcery.com>
2945 * final.c (final_scan_insn): Clear current_insn_predicate before
2946 outputting inline asm.
2948 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2950 PR tree-optimization/26197
2951 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2952 get_ref_base_and_extent and overlap_subvar to add only relevant
2953 subvars as may-aliases.
2954 (add_may_alias_for_new_tag): New function, factored out of
2956 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2957 with additional argument.
2958 * tree-flow.h (new_type_alias): Takes additional argument.
2960 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2962 * gcov.c (no_data_file): New flag.
2963 (read_count_file): Set it if data file not present. Assume counts
2965 (output_lines): Don't name the data file, if there wasn't one.
2967 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2969 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2970 (rs6000_generate_compare): Tweak comments.
2971 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2973 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2975 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2976 (var_debug_decl): New function.
2977 (var_reg_set): Follow debug decl link. Add location even if
2978 reg is already known to hold some other variable.
2979 (var_mem_set): Follow debug decl link.
2980 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2981 decl link. Delete other known locations of the variable part
2983 (var_reg_delete, var_mem_delete): Delete other known locations
2984 of the variable part if requested.
2985 (same_variable_part_p): New function.
2986 (add_stores): Select MO_COPY when appropriate.
2987 (vt_initialize): Handle it.
2988 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2989 known locations for MO_SET and MO_CLOBBER.
2990 (find_variable_location_part): New function.
2991 (set_variable_part, delete_variable_part): Use it.
2992 (clobber_variable_part): New function.
2993 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2996 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2998 PR tree-optimization/26969
2999 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3000 with an empty list of PHIs.
3002 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3006 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3009 2006-08-06 Andreas Schwab <schwab@suse.de>
3011 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3012 string. Whitespace and comment fixup.
3014 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3017 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3021 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3024 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3026 2006-08-04 Jan Hubicka <jh@suse.cz>
3030 * reload.c (push_reload): Patch out the mismatching instruction;
3032 (find_reload): Bail out if the instruction was patched out.
3034 2006-08-04 Jan Hubicka <jh@suse.cz>
3036 PR tree-optimization/24888
3037 * tree-inline.c (expand_call_inline): Do not re-record variables.
3038 (declare_inline_vars): Add variable to unexpanded_var_list.
3040 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3041 Roger Sayle <roger@eyesopen.com>
3043 PR rtl-optimization/26244
3044 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3045 inner_const are negative or greater than or equal to the bitsize of
3046 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3047 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3048 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3049 CONST0_RTX (mode) when the new shift count is greater than or equal to
3050 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3053 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3055 * tree-cfg.c: Fix a comment typo.
3057 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3060 * varasm.c (output_constant): Give the front end another chance to
3061 expand constants, after stripping NOPs.
3063 2006-08-03 Jan Hubicka <jh@suse.cz>
3065 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3068 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3070 PR tree-optimization/27770
3071 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3072 declaration removed (moved to tree-flow.h).
3073 (vect_can_force_dr_alignment_p): Likewise.
3074 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3075 (moved from tree-vectorizer.h).
3076 (vect_can_force_dr_alignment_p): Likewise.
3077 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3078 from outside the vectorizer - in particular from cgraph stage.
3079 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3080 the alignment of global arrays when -fsection-anchors is enabled.
3081 * cgraphunit.c (cgraph_increase_alignment): New function.
3082 (cgraph_optimize): Call cgraph_increase_alignment.
3084 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3087 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3088 not reload a SPE symbol_ref into a lo_sum address.
3090 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3093 * dwarf2out.c (prune_unused_types_prune): Move call to
3094 prune_unused_types_update_strings to cover the parent DIE also.
3096 2006-08-02 Jan Hubicka <jh@suse.cz>
3098 PR gcov/profile/28480
3099 * tree-cfg.c (change_bb_for_stmt): New function.
3100 (tree_merge_blocks, tree_split_blocks): Use it.
3102 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3108 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3109 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3110 (cgraph_optimize): Likewise.
3112 2006-08-01 Stuart Hastings <stuart@apple.com>
3114 * rtl.h (UINTVAL) New.
3115 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3116 * testsuite/gcc.dg/20060801-1.c: New.
3118 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3121 * c-typeck.c (build_external_type): Mark used enum types.
3122 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3124 (gen_subprogram_die): Whitespace fix.
3126 2006-08-01 Jan Hubicka <jh@suse.cz>
3128 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3129 bitmap when not needed.
3130 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3133 2006-08-01 Dirk Mueller <dmueller@suse.de>
3135 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3137 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3139 * Makefile.in: Revert part of previous patch:
3140 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3143 2006-07-30 Eric Christopher <echristo@apple.com>
3146 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3147 (PowerPC Variable Attributes): New section.
3149 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3151 PR target/28126 (partial fix)
3152 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3154 2006-07-28 Jan Hubicka <jh@suse.cz>
3156 PR rtl-optimization/28071
3157 * cfgrtl.c (rtl_delete_block): Free regsets.
3158 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3160 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3162 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3163 and variables used in dependencies.
3165 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3167 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3168 %fs for -mcmodel=kernel.
3169 (stack_tls_protect_test_di): Likewise.
3171 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3173 * Makefile.in: Use mkinstalldirs.
3175 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3178 * opts-common.c (prune_options): Skip joined switches.
3180 2006-07-27 Jan Hubicka <jh@suse.cz>
3182 PR rtl-optimization/28071
3183 * cselib.c (cselib_process_insn): Don't remove useless values too
3184 often for very large hashtables.
3186 2006-07-27 Jan Hubicka <jh@suse.cz>
3188 PR rtl-optimization/28071
3189 * global.c (greg_obstack): New obstack.
3190 (allocate_bb_info): Use it.
3191 (free_bb_info): Likewise.
3192 (modify_reg_pav): Likewise.
3194 2006-07-27 Roger Sayle <roger@eyesopen.com>
3196 * builtins.c (fold_fixed_mathfn): When long and long long are the
3197 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3198 functions to their lceil*, lfloor*, lround* and lrint* forms.
3200 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3203 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3205 (rev_branch_insn): Likewise.
3207 2006-07-27 Jan Hubicka <jh@suse.cz>
3209 PR rtl-optimization/28071
3210 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3211 (reg_set_in_bb, max_reg_computed): New static variables.
3212 (regmove_optimize): Free the new array.
3213 (fixup_match_1): Update call of reg_is_remote_constant_p.
3215 2006-07-26 Jan Hubicka <jh@suse.cz>
3217 PR tree-optimization/27882
3218 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3220 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3222 (cgraph_analyze_compilation_unit): Likewise.
3223 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3224 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3225 (cgraph_early_inlinine): Make order garbage collected.
3226 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3228 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3230 * dbxout.c (output_types_sort): Add a comment.
3231 (output_used_types): Free the VEC.
3233 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3235 * function.c (reorder_fix_fragments): Delete.
3236 (reorder_blocks): Don't call it.
3237 (reorder_blocks_1): Put all subblocks under the origin block.
3239 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3241 PR rtl-optimization/27907
3242 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3245 2006-07-25 Roger Sayle <roger@eyesopen.com>
3248 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3249 bar(x) check that bar's result type can represent all the values of T.
3251 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3253 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3255 2006-07-25 Nick Clifton <nickc@redhat.com>
3257 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3258 size_lookup[] array.
3259 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3260 (ggc_pch_count_object): Likewise.
3261 (ggc_pch_alloc_object): Likewise.
3262 (ggc_pch_write_object): Likewise.
3263 (init_ggc): Do not attempt to initialize entries in the
3264 size_lookup[] array for objects whose size is greater than than
3265 the length of the array.
3267 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3269 * dbxout.c (output_used_types_helper): Push queued types
3271 (output_types_sort): New.
3272 (output_used_types): Collect used types on a VEC and sort them
3275 2006-07-24 Richard Guenther <rguenther@suse.de>
3278 * cgraph.c (cgraph_remove_node): Do not check if dumps
3280 * cgraphunit.c (cgraph_optimize): Likewise.
3282 2006-07-24 Jan Hubicka <jh@suse.cz>
3284 PR rtl-optimization/28071
3285 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3286 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3287 splitting before first stmt.
3289 2006-07-24 Jan Hubicka <jh@suse.cz>
3291 PR rtl-optimization/28071
3292 * ipa-inline.c (update_caller_keys): Remove edges that
3293 are no longer inline candidates.
3295 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3298 * dbxout.c (output_used_types_helper, output_used_types): New.
3299 (dbxout_symbol): Call output_used_types.
3301 2006-07-23 Jan Hubicka <jh@suse.cz>
3305 * cgraph.c (cgraph_varpool_nodes): Export.
3306 (decide_is_variable_needed): Ignored "used" attribute in
3307 unit-at-a-time mode.
3308 * cgraph.h (cgraph_varpool_nodes): Declare.
3309 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3310 unit-at-a-time mode.
3312 2006-07-23 Roger Sayle <roger@eyesopen.com>
3315 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3316 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3317 the __gthrw form of thr_keycreate.
3318 (__gthread_key_delete): Silence the unused argument warning.
3320 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3323 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3324 Cache the last found '\0' marker to avoid quadratic behavior.
3326 2006-07-23 Jan Hubicka <jh@suse.cz>
3328 * i386.md (subsi_3_zext): Fix output template.
3330 2006-07-21 Mike Stump <mrs@apple.com>
3332 * doc/invoke.texi (C++ Dialect Options): Note that
3333 -fvisibility-inlines-hidden doesn't affect explicitly
3334 instantiationed inline methods.
3336 2006-07-20 Roger Sayle <roger@eyesopen.com>
3338 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3339 if the target assembler is GNU binutils' gas.
3340 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3341 whether to pass GNU gas or native as command line options.
3343 2006-07-20 Jason Merrill <jason@redhat.com>
3345 * tree.c (remove_attribute): New fn.
3346 * tree.h: Declare it.
3348 2006-07-20 Paul Brook <paul@codesourcery.com>
3351 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3352 they are invalidated by this instruction.
3354 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3357 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3359 2006-07-20 Eric Christopher <echristo@apple.com>
3362 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3364 2006-07-19 Eric Christopher <echristo@apple.com>
3366 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3367 Rewrite dependencies for libgcc_s.1.dylib.
3369 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3371 * except.c (duplicate_eh_regions_1): Clear next_peer.
3373 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3375 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3376 -mlongcall does not guarantee all calls will be long.
3377 * doc/extend.texi (long_call/short_call): Document that longcall
3378 does not guarantee a long call will be used.
3379 (longcall/shortcall): Likewise.
3381 2006-07-18 Roger Sayle <roger@eyesopen.com>
3384 * expmed.c (expand_shift): Additionally check that the shift_cost
3385 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3386 before implementing a LSHIFT_EXPR as a sequence of additions.
3387 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3388 middle-end that DImode shifts need to be synthesized by expand.
3390 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3393 * tree-ssa-operands.c (access_can_touch_variable): Update
3395 Return true if ALIAS is .GLOBAL_VAR.
3397 2006-07-18 David Daney <ddaney@avtrex.com>
3399 * gcc.c (display_help): Fix typo in help text.
3401 2006-07-18 Olivier Hainque <hainque@adacore.com>
3403 * tree.h (categorize_ctor_elements): Adjust prototype and add
3404 descriptive comment, both in accordance with the interface change
3406 * varasm.c (constructor_static_from_elts_p): New function.
3407 Whether a constructor node is a valid static constant initializer
3408 if all its elements are.
3409 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3410 * output.h: Declare it.
3411 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3412 is a valid constant initializer instead of computing the number of
3413 non-constant elements. Use constructor_static_from_elts_p for this
3414 purpose. Replace the head comment with an indication that this is a
3415 helper for categorize_ctor_elements.
3416 (categorize_ctor_elements): Same interface change as for the _1
3417 helper. Former head comment from this helper moved here, adjusted to
3418 account for the interface changes.
3419 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3420 (all_zeros_p): Likewise.
3421 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3422 static versions of the constructor from the categorize_ctor_elements
3423 return value instead of the formerly computed number of non-constant
3426 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3428 * configure: Regenerate.
3429 * Makefile.in (build_libsubdir): New configure substitution
3430 (build_libobjdir): New variable.
3431 (BUILD_LIBIBERTY): Use it.
3433 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3436 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3438 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3441 * c-common.c (handle_weakref_attribute): Ignore attribute in
3442 the same conditions the alias attribute is ignored.
3444 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3446 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3447 (dbxout_begin_prologue): Increment scope_labelno.
3449 2006-07-17 Richard Henderson <rth@redhat.com>
3452 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3455 2006-07-17 Roger Sayle <roger@eyesopen.com>
3456 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3458 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3459 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3460 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3461 functions such as sbrk, write, etc.. Add function prototypes.
3462 Convert function declarations from K&R to ISO C. Cast pointers
3463 to "long" and "unsigned long" instead of "int" and "unsigned int".
3464 Convert tokens following #endif into comments.
3466 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3468 * invoke.texi: Remove mention of f77; Reformat table for
3469 inline parameter options correctly; mention that -malign-double
3470 is default on x86-64 targets.
3472 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3474 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3475 (convert_affine_scev, chrec_convert_aggressive): Use
3476 avoid_arithmetics_in_type_p. Do not check for the subtypes
3479 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3482 * optabs.c (expand_doubleword_shift): Wrap the call to
3483 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3485 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3488 * optabs.c (expand_binop): Pass next_methods rather than methods
3489 to expand_doubleword_shift.
3491 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3494 * tree.h (dump_addr): Declare.
3495 * print-tree.c (dump_addr): New function.
3496 (print_node_brief, print_node): Use it.
3497 * print-rtl.c (print_rtx): Likewise.
3498 * common.opt (-fdump-noaddr): New option.
3499 * doc/invoke.texi (-fdump-noaddr): Document.
3500 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3501 (ve_info_hash): Likewise.
3503 2006-07-13 Andrew Haley <aph@redhat.com>
3505 PR tree-optimization/19505
3506 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3507 edge leaving this block, make sure that the destination of this
3508 block has only one predecessor.
3510 2006-07-17 Richard Guenther <rguenther@suse.de>
3512 PR tree-optimization/28238
3513 * tree-inline.c (copy_bb): Check if we produced valid
3514 gimple copying and substituting a stmt. If not, gimplify
3517 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3519 * optabs.c (maybe_encapsulate_block): New function extracted from...
3520 (emit_libcall_block): ...here. Invoke it on the block of insns to
3521 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3522 (emit_no_conflict_block): Likewise.
3524 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3526 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3528 2006-07-15 Roger Sayle <roger@eyesopen.com>
3530 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3531 a new NOP_EXPR case of the switch statement.
3533 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3536 * stor-layout.c (place_field): Take the bit field with
3537 an excessive size into account in the ms-bitfiled case.
3540 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3541 the previous bit field.
3543 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3546 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3548 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3550 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3551 signal frames correctly even when the signal was installed with
3554 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3556 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3557 (dbxout_function_end): Use local label LFBB. Remove hook
3559 (dbxout_source_line): Use local label LFBB.
3560 (dbxout_block): Likewise.
3561 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3562 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3563 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3564 and DBX_OUTPUT_NFUN.
3566 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3568 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3570 2006-07-13 Jan Hubicka <jh@suse.cz>
3572 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3574 * output.h (align_variable): Declare.
3575 * varasm.c (align_variable): Export.
3576 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3577 when basic block changed.
3579 2006-07-13 Nick Clifton <nickc@redhat.com>
3581 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3582 walking the LOG_LINKS chain.
3584 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3586 * doc/invoke.texi (C++ Dialect Options): Explain difference
3587 between -fvisibility-inlines-hidden and setting hidden
3588 visibility explicitly.
3590 2006-07-12 Eric Christopher <echristo@apple.com>
3592 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3593 (stmp-lipo): Depend on libgcc.a.
3595 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3597 * tree.c: Fix a comment typo.
3599 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3601 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3603 (umulhisi3_r): Likewise.
3605 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3608 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3609 x < 19, vs wchar_t support.
3611 2006-07-12 Nick Clifton <nickc@redhat.com>
3613 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3614 instead of -isa=sh4.
3616 2006-07-12 Mike Stump <mrs@apple.com>
3618 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3620 2006-07-10 Eric Christopher <echristo@apple.com>
3622 * config/t-slibgcc-darwin: Rewrite.
3624 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3627 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3630 2006-07-08 Matthias Klose <doko@debian.org>
3632 * doc/sourcebuild.texi: Fix typo.
3634 2006-07-07 Mike Stump <mrs@apple.com>
3636 * toplev.c (process_options): Don't give -ffunction-sections may
3637 affect debugging warning for Mach-O.
3639 2006-07-07 James E Wilson <wilson@specifix.com>
3641 * config/mips/mips.md (cpu): Add sb1a.
3642 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3643 addition to sb1. Adjust comments to clarify SB-1A differences from
3645 (ir_sb1a_load): New. Modify bypasses to use it.
3646 (ir_sb1a_simple_alu): Likewise.
3647 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3648 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3649 (mips_issue_rate): Add PROCESSOR_SB1A.
3650 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3651 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3652 (TARGET_SB1): Add PROCESSOR_SB1A check.
3653 (TUNE_SB1): Likewise.
3655 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3656 * config/mips/mips.c (mips_store_data_bypass_p): New.
3657 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3658 store_data_bypass_p.
3660 2006-07-08 Paul Brook <paul@codesourcery.com>
3663 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3665 2006-07-07 Richard Guenther <rguenther@suse.de>
3668 * tree.h (build_one_cst): Declare.
3669 * tree.c (build_one_cst): New function.
3670 * tree-ssa-math-opts.c (get_constant_one): Remove.
3671 (insert_reciprocals): Use build_one_cst.
3672 * fold-const.c (fold_plusminus_mult): Likewise.
3674 2006-07-07 Roger Sayle <roger@eyesopen.com>
3676 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3677 * cfgloopanal.c (dump_graph): Likewise.
3678 * dojump.c (discard_pending_stack_adjust): Likewise.
3679 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3681 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3682 * function.c (finalize_block_changes): Likewise.
3683 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3684 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3685 * rtl.c (dump_rtx_statistics): Likewise.
3686 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3688 * varray.c (dump_varray_statistics): Likewise.
3689 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3690 decode_decimal64, encode_decimal128, decode_decimal128,
3691 decimal_real_to_decimal): Likewise.
3693 2006-07-07 Richard Guenther <rguenther@suse.de>
3695 PR tree-optimization/28187
3696 * tree-vrp.c (vrp_operand_equal_p): New function.
3697 (vrp_bitmap_equal_p): Likewise.
3698 (update_value_range): Use them to compare old and new
3701 2006-07-06 Roger Sayle <roger@eyesopen.com>
3703 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3704 a default case to switch statement to silence compiler warnings.
3706 2006-07-06 Roger Sayle <roger@eyesopen.com>
3709 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3710 the configured assembler supports the x87's ffreep mnemonic.
3711 * configure: Regenerate.
3712 * config.in: Regenerate.
3714 * config/i386/i386.c (output_387_ffreep): New function.
3715 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3716 (output_387_reg_move): Likewise.
3718 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3720 Port to hosts whose 'sort' and 'tail' implementations
3721 treat operands with leading '+' as file names, as POSIX
3722 has required since 2001. However, make sure the code still
3723 works on pre-POSIX hosts.
3724 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3725 which says you should use "tail -c +N" rather than "tail +Nc".
3726 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3728 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3730 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3733 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3736 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3737 PRE_{INC,DEC} of TFmode.
3739 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3740 Alan Modra <amodra@bigpond.net.au>
3743 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3746 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3749 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3750 Remove duplicate gtu.
3752 2006-07-05 Jason Merrill <jason@redhat.com>
3756 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3757 * c-common.c (handle_packed_attribute): So don't copy it here.
3758 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3760 2006-07-05 Mike Stump <mrs@apple.com>
3762 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3764 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3767 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3769 2006-07-05 Richard Guenther <rguenther@suse.de>
3772 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3773 TARGET_SSE2 targets if using SSE math.
3774 (*absdf2_1): Likewise.
3776 2006-07-05 Richard Guenther <rguenther@suse.de>
3778 PR tree-optimization/28162
3779 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3780 make sure to convert the operands to the correct type.
3782 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3784 PR tree-optimization/28218
3786 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3787 to calculate and free the dominator information.
3789 2006-07-04 Peter O'Gorman <peter@pogma.com>
3791 * mklibgcc.in: chmod 644 before ranlib during install.
3793 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3794 J"orn Rennecke <joern.rennecke@st.com>
3796 * configure.ac (.eh_frame data check): Use diff -b.
3798 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3801 * Makefile.in (BUILD_RTL): Add build/vec.o.
3802 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3803 (build/genextract): Delete.
3804 (build/genautomata): Likewise.
3806 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3809 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3810 128-bit IBM long doubles for ABI_V4.
3812 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3814 * tree.c (range_in_array_bounds_p): New predicate.
3815 * tree.h (range_in_array_bounds_p): Declare it.
3816 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3817 return a less conservative answer.
3818 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3819 and flag 'is_group'.
3820 (IS_ELEMENT_FOR_GROUP): New macro.
3821 (FOR_EACH_ACTUAL_CHILD): Likewise.
3822 (next_child_for_group): New helper function.
3823 (can_completely_scalarize_p): Take into account groups.
3824 (sra_hash_tree): Handle RANGE_EXPR.
3825 (sra_elt_eq): Likewise.
3826 (lookup_element): Be prepared for handling groups.
3827 (is_valid_const_index): Delete.
3828 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3829 instead of is_valid_const_index.
3830 <ARRAY_RANGE_REF>: New case.
3831 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3832 is_valid_const_index.
3833 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3834 (scan_dump): Dump info for groups too.
3835 (decide_instantiation_1): Likewise.
3836 (decide_block_copy): Assert that the element is not a group.
3837 Propagate decision to groups.
3838 (generate_one_element_ref): Handle RANGE_EXPR.
3839 (mark_no_warning): Iterate over actual childs.
3840 (generate_copy_inout): Likewise.
3841 (generate_element_copy): Likewise.
3842 (generate_element_zero): Likewise.
3843 (generate_element_init_1): Likewise.
3844 (dump_sra_elt_name): Handle RANGE_EXPR.
3846 2006-07-03 Roger Sayle <roger@eyesopen.com>
3848 PR tree-optimization/26251
3849 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3850 (thread_block): When optimizing for size refuse to thread jumps
3851 that would require duplication of blocks other than redirection
3854 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3856 * configure.ac: Fix thinko in previous check-in.
3857 * configure: Regenerate.
3859 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3862 * configure.ac (for lang...): Simplify nesting of conditionals.
3863 Test subdir_requires for non-enabled languages. Move processing
3864 of lang_opt_files and lang_tree_fiels below that test.
3865 * configure: Regenerate.
3866 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3868 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3870 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3872 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3874 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3877 2006-06-29 Jason Merrill <jason@redhat.com>
3884 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3885 * c-common.c (c_determine_visibility): Handle it here.
3886 * c-decl.c (finish_decl): Call c_determine_visibility for
3888 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3890 * varasm.c (default_assemble_visibility): Likewise.
3891 * c-common.c (handle_visibility_attribute): Complain about trying
3892 to give visibility to an already defined class, or trying to change
3893 declared visibility. Always attach the attribute.
3898 * attribs.c (decl_attributes): Ignore type-in-place attributes
3899 once the type has been defined.
3901 2006-06-29 Roger Sayle <roger@eyesopen.com>
3904 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3905 to indicate the cpplib has issued an error message for us.
3907 2006-06-29 Asher Langton <langton2@llnl.gov>
3910 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3911 insert a label at the end of an function under Mach-O.
3913 2006-06-29 Eric Christopher <echristo@apple.com>
3914 Evan Cheng <evan.cheng@apple.com>
3916 * predicates.md (vector_all_ones_operand): New.
3917 (nonimmediate_or_sse_const_operand): Ditto.
3918 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3919 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3920 (standard_sse_mode_p): Ditto.
3921 (standard_sse_constant_p): Add case for -1 vector.
3922 (ix86_expand_vector_move): Try to use.
3923 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3924 Call standard_sse_constant_opcode.
3925 (*movv4sf_internal): Ditto.
3926 (*movv2df_internal): Ditto.
3928 2006-06-29 Roger Sayle <roger@eyesopen.com>
3930 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3931 of XEXP to extract the operands of a MATCH_CODE rtx.
3933 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3935 * tree.c (tree_size): Do not waste tail padding in
3936 struct tree_string and make the size be the same as
3937 build_string will generate.
3939 2006-06-28 Jason Merrill <jason@redhat.com>
3942 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3943 may_aliases already in the tag's annotations to the bitmap.
3945 2006-06-28 Roger Sayle <roger@eyesopen.com>
3947 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3949 2006-06-28 Roger Sayle <roger@eyesopen.com>
3951 * genpreds.c (generate_switch_p): New function.
3952 (add_mode_tests): Push the new mode test down inside an AND expr
3953 if this allows the switch-suitable MATCH_CODE to be near the root.
3954 (write_match_code_switch): New function to write a MATCH_CODE as
3956 (write_predicate_stmts): New function to write a predicate RTX
3957 expression as a sequence of statements.
3958 (write_one_predicate_function): Use write_predicate_stmts.
3959 (write_tm_constrs_h): Likewise.
3961 2006-06-26 Fred Fish <fnf@specifix.com>
3963 * config/mips/t-sb1: New file.
3964 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3967 2006-06-26 DJ Delorie <dj@redhat.com>
3969 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3971 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3972 Jayant Sonar <jayants@kpitcummins.com>
3973 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3975 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3976 (subsi3, subsi3_1, subsi3_2): New.
3977 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3978 * config/m32c/mov.md (SI mov peephole): New.
3979 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3980 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3982 2006-06-26 Olivier Hainque <hainque@adacore.com>
3984 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3985 a CALL_EXPR target function declaration.
3987 2006-06-26 Richard Guenther <rguenther@suse.de>
3989 * tree.c (build_string): Do not waste tail padding in
3992 2006-06-26 Richard Guenther <rguenther@suse.de>
3994 * ggc-page.c (init_ggc): Add missing element to size_lookup
3998 2006-06-23 Richard Guenther <rguenther@suse.de>
4000 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4001 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4002 alignment requests instead. Add verification code.
4003 Add struct tree_function_decl and struct tree_binfo size to
4004 extra_order_size_table. Add missing element to size_lookup
4007 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4010 * fold-const.c (const_binop): Be prepared for self returning zero.
4011 Simplify code handling complex values.
4013 2006-06-24 Olivier Hainque <hainque@adacore.com>
4015 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4016 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4019 2006-06-24 Olivier Hainque <hainque@adacore.com>
4021 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4022 ARRAY_REF, so have the callback called for the low bound expression.
4024 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4026 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4027 * c-typeck.c (c_common_type): Disallow operations on decimal float
4028 types and other float types.
4029 * convert.c (convert_to_real): Don't ignore conversions involving
4030 decimal float types.
4032 2006-06-23 Olivier Hainque <hainque@adacore.com>
4034 * tree.c (max_int_size_in_bytes): New function, inspired from
4035 code in function.c:assign_temp.
4036 * tree.h (max_int_size_in_bytes): Declare.
4037 * function.c (assign_temp): Use it.
4038 * gimplify.c (create_tmp_var): Relax the assertions on the type
4039 properties, not mandating constant size any more.
4040 (force_constant_size): New static function.
4041 (gimple_add_tmp_var): Use it, forcing variable size to a
4042 constant upper bound if it is not constant on entry.
4044 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4047 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4048 for initialization and setting of one_only flag to ...
4049 (i386_pe_encode_section_info): ...here.
4050 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4051 Recheck that the symbol has not been defined.
4053 2006-06-23 Richard Guenther <rguenther@suse.de>
4055 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4056 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4057 alignment requests instead. Add verification code.
4058 Add struct tree_function_decl and struct tree_binfo size to
4059 extra_order_size_table. Add missing element to size_lookup
4062 2006-06-22 Roger Sayle <roger@eyesopen.com>
4063 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4066 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4067 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4069 2006-06-23 Ben Elliston <bje@au.ibm.com>
4071 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4072 negate dn -- manipulate it directly.
4074 2006-06-22 Roger Sayle <roger@eyesopen.com>
4075 Steven Bosscher <stevenb.gcc@gmail.com>
4078 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4079 generated by gen_move_insn to add REG_LABEL notes if necessary.
4081 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4083 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4084 (leaf_entry): Remove use of MIN_ESA.
4086 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4088 PR rtl-optimization/28121
4089 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4092 2006-06-21 DJ Delorie <dj@redhat.com>
4094 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4096 (mulhisi3_r): Likewise.
4098 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4101 * coverage.c (coverage_counter_alloc): Leave the index type
4103 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4106 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4108 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4109 section from the "Options for Code Generation Conventions".
4111 2006-06-21 Richard Henderson <rth@redhat.com>
4115 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4117 (global_symbolic_operand): Allow weak symbols, even if local_p.
4119 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4121 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4122 (find_interesting_uses_address): Punt if above function returns true.
4124 2006-06-21 Richard Guenther <rguenther@suse.de>
4126 * configure: Regenerated.
4128 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4130 * config/mips/mips.c (function_arg): Where one part of a
4131 complex argument is in registers and the other part in the stack,
4132 return a REG not a PARALLEL.
4134 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4136 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4137 when cross-compiling. Do not substitute libstdcxx_incdir.
4138 * configure: Regenerated.
4140 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4142 * varasm.c (mergeable_string_section): Check for embedded NULs and
4143 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4144 rather than TREE_STRING_LENGTH bytes.
4146 2006-06-21 Richard Guenther <rguenther@suse.de>
4148 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4149 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4152 2006-06-21 Richrad Guenther <rguenther@suse.de>
4154 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4155 Limit iteration over the dominators.
4157 2006-06-20 Roger Sayle <roger@eyesopen.com>
4159 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4160 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4162 2006-06-20 Richard Guenther <rguenther@suse.de>
4163 Michael Matz <matz@suse.de>
4165 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4167 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4168 * et-forest.h (et_free_pools): Prototype new function.
4169 * et-forest.c (et_free_tree_force): Free parent occurrence.
4170 (et_free_pools): New function.
4171 * dominance.c (free_dominance_info): Free et-forest alloc
4174 2006-06-20 Roger Sayle <roger@eyesopen.com>
4176 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4177 integer modes, attempt to directly construct an integer constant.
4179 * fold-const.c (native_encode_vector): Determine the size of each
4180 element from the vector type instead of the first vector element.
4182 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4183 if all of its elements/components are constant.
4184 (build_constructor_from_list): Likewise.
4186 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4188 PR tree-optimization/27331
4189 * tree-data-ref.c (free_data_ref): New function.
4190 (create_data_ref): Fail if the data reference has unknown access
4192 (free_data_refs): Use free_data_ref.
4194 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4197 * tree-inline.c (setup_one_parameter): Strip useless
4198 type conversion before adding it to the IR.
4199 (declare_return_variable): Likewise.
4201 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4204 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4206 2006-06-19 Mike Stump <mrs@apple.com>
4208 * tree.c (variably_modified_type_p): VM arguments don't make the
4211 2006-06-19 Richard Guenther <rguenther@suse.de>
4213 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4214 type conversions after folding.
4216 2006-06-19 Richard Guenther <rguenther@suse.de>
4218 * ggc-page.c (extra_order_size_tab): Add entries with
4219 size of struct function and basic_block.
4220 (size_lookup): Extend to cover sizes up to 511.
4221 (ggc_alloc_stat): Adjust user.
4222 (ggc_pch_count_object): Likewise.
4223 (ggc_pch_alloc_object): Likewise.
4224 (ggc_pch_write_object): Likewise.
4226 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4228 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4229 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4232 2006-06-19 Denis Chertykov <denisc@overta.ru>
4234 * config/avr/libgcc.S : Correct my wrong previous commit.
4236 2006-06-19 Roger Sayle <roger@eyesopen.com>
4239 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4240 have stripped a SUBREG from the shift count, so we may need to
4241 convert_to_mode back to the type's mode before calling make_tree.
4242 Use new_amount instead of amount to avoid expanding a tree twice.
4244 2006-06-19 Richard Guenther <rguenther@suse.de>
4247 * fold-const.c (operand_equal_p): Check if the argument types
4248 have the same precision before stripping NOPs.
4250 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4252 Fix PR tree-optimization/27341
4253 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4255 * tree-complex.c (pass_lower_complex): Update SMT usage.
4257 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4259 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4260 Add a new alternative to the constraint strings. Add move of
4261 operand 1 to 3 to the splitter definition.
4262 ("doloop_si_long"): Second contraint alternative removed.
4264 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4266 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4267 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4269 (AVR_HAVE_MOVW) Define.
4270 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4271 (ASM_SPEC): Add avr25.
4272 (LINK_SPEC): Add avr25.
4273 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4274 (base_arch_s): Add new member 'have_movw_lpmx'.
4275 (avr_arch_types): Init 'have_movw_lpmx'.
4276 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4277 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4278 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4279 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4280 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4282 (avr_file_start): Do not output '.arh' derective.
4283 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4284 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4285 * config/avr/avr.md (mcu_enhanced): Delete.
4286 (mcu_have_movw): Define.
4287 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4288 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4289 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4290 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4291 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4292 attiny861 and at86rf401 devices.
4294 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4296 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4299 2006-06-17 Karl Berry <karl@gnu.org>
4301 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4302 doc/gccint.texi, doc/install.texi (@dircategory): Use
4303 "Software development" instead of "Programming", following
4304 the Free Software Directory.
4306 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4308 * config/i386/i386.c (legitimate_tls_address)
4309 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4310 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4311 (*tls_dynamic_gnu2_combine_64): Likewise.
4313 2006-06-16 Richard Guenther <rguenther@suse.de>
4316 * fold-const.c (negate_expr_p): Do not introduce undefined
4317 overflow in negating INTEGER_CSTs.
4318 (fold_negate_expr): Rename from negate_expr. Revert last
4319 change for folding BIT_NOT_EXPR. Change semantics to
4320 return NULL_TREE for non-simplified negations. Do not
4321 strip type conversions and unify type handling.
4322 (negate_expr): New function, wrap around fold_negate_expr
4323 but ensure building a tree always. Strip type conversions
4324 here, fold to result type.
4325 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4327 2006-06-16 Roger Sayle <roger@eyesopen.com>
4330 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4331 that (would) return their results in stack registers.
4333 2006-06-16 Michael Matz <matz@suse.de>
4334 Richard Guenther <rguenther@suse.de>
4336 * fold-const.c (fold_truthop): Only return new tree node if
4337 we canonicalized something.
4339 2006-06-16 Richard Guenther <rguenther@suse.de>
4341 * function.h (enum function_frequency): Move declaration
4342 out of struct function.
4343 (struct function): Move bool fields and the enum to the bitfield
4344 section. Reorder elements to avoid padding. Remove unused
4345 fields left over from the RTL inliner removal.
4346 * function.c (free_after_compilation): Do not zero removed fields.
4347 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4348 (ipa-type-escape.o): Likewise.
4350 2006-06-16 Richard Guenther <rguenther@suse.de>
4352 * cgraph.h (struct cgraph_local_info): Turn bool elements
4354 (struct cgraph_node): Likewise.
4355 (struct cgraph_varpool_node): Likewise.
4357 2006-06-15 Richard Guenther <rguenther@suse.de>
4359 * fold-const.c (fold_truth_not_expr): Rename from
4360 invert_truthvalue. Give it fold_* semantics to avoid
4362 (invert_truthvalue): New function. Wrapper around
4363 fold_truth_not_expr.
4364 (optimize_minmax_comparison): Avoid creating garbage.
4365 (fold_unary): Use fold_truth_not_expr for folding
4367 (fold_ternary): Replace uses of invert_truthvalue with
4368 fold_truth_not_expr where applicable.
4369 * tree.h (fold_truth_not_expr): Prototype.
4371 2006-06-16 Richard Guenther <rguenther@suse.de>
4373 PR tree-optimization/27781
4374 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4375 * ipa-pure-const.c (target.h): Include.
4376 (analyze_function): Do not analyze functions that do not
4379 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4382 * tree-dfa.c (referenced_vars_dup_list): Remove.
4383 (find_referenced_vars): Remove assert.
4384 (referenced_var_check_and_insert): Replace dup list with assert.
4385 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4386 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4388 2006-06-15 Richard Guenther <rguenther@suse.de>
4390 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4391 extra unused identifiers if not dumping.
4392 (create_variable_info_for): Likewise.
4394 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4396 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4397 (derive_constant_upper_bound): Derive more precise upper bound in
4398 common cases. Return type changed to double_int.
4399 (record_estimate): Reflect the changed return type of
4400 derive_constant_upper_bound.
4401 * double-int.c (double_int_zext, double_int_sext): Fix.
4403 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4405 * configure.ac (CFLAGS): Get them from the toplevel or from the
4406 configure invocation.
4407 * configure: Regenerate.
4408 * Makefile.in (CFLAGS): Substitute value provided by configure.
4410 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4413 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4414 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4415 rather than calling add_stmt on it.
4416 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4418 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4421 * reload1.c (reload): Remove registers returned by update_eliminables
4422 from used_spill_regs.
4424 2006-06-13 DJ Delorie <dj@redhat.com>
4426 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4428 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4430 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4431 html__strip_dir, html__mkdir_p. Enhance install-html target.
4432 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4433 * configure: Regenerate.
4435 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4437 * fold-const.c (fold_cond_expr_with_comparison): Check for
4438 Objective-C++ as language in deciding COND_EXPR transformation.
4440 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4443 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4444 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4445 * config/sh/lib1funcs.h (SL, SL1): Define.
4446 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4447 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4448 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4449 (OBJS_Os_4_200): New variable.
4450 ($(T)libgcc-Os-4-200.a): Use it.
4451 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4452 when dividing 1 and/or by 0.
4454 2006-06-13 Roger Sayle <roger@eyesopen.com>
4456 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4457 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4458 * configure: Regenerate.
4460 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4462 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4463 for real instruction.
4465 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4468 * haifa-sched.c (check_cfg): Handle special case.
4470 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4473 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4474 Add debug_info parameter. Chain the vars to the BLOCK instead
4475 of the BIND_EXPR if debug info are requested for them.
4476 (pop_gimplify_context): Adjust for above change.
4477 (gimple_add_tmp_var): Likewise.
4478 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4480 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4481 (convert_local_reference): Likewise.
4482 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4483 (finalize_nesting_tree_1): Request that debug info be emitted
4484 for debug_var_chain.
4486 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4488 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4489 for PR target/27863.
4491 2006-06-13 Richard Guenther <rguenther@suse.de>
4494 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4496 2006-06-13 Richard Guenther <rguenther@suse.de>
4498 PR tree-optimization/27830
4499 * tree-inline.c (copy_body_r): For copying the operand
4500 of an ADDR_EXPR make sure to fold &* afterwards.
4502 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4504 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4505 lvalues in the fb_none case with side-effects.
4507 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4509 * tree-flow.h: Remove the prototype for
4510 compute_phi_arg_on_exit.
4511 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4512 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4515 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4517 * builtins.c (expand_builtin_return_addr): Only use
4518 frame_pointer_rtx when count == 0 and we are expanding
4519 __builtin_return_address.
4521 2006-06-12 Fred Fish <fnf@specifix.com>
4523 * config/mips/mips.c (mips_file_start): Create special section
4524 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4526 2006-06-11 Eric Christopher <echristo@apple.com>
4529 * stor-layout.c (place_field): Remove check for
4530 remaining_in_alignment when aligning at the end of a run.
4532 2006-06-11 Eric Christopher <echristo@apple.com>
4535 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4538 2006-06-11 Roger Sayle <roger@eyesopen.com>
4541 Revert incorrect fix for PR target/27158
4542 2006-05-08 Roger Sayle <roger@eyesopen.com>
4543 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4544 of a reg_equiv_constant if the result is a legitimate constant.
4546 2006-06-11 Roger Sayle <roger@eyesopen.com>
4549 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4550 extract a CONST_VECTOR element and interpret it as an integer.
4551 (vspltis_constant): Use const_vector_elt_as_int instead of the
4552 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4553 * config/rs6000/predicates.md (easy_vector_const): Consider
4554 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4556 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4559 * stor-layout.c (update_alignment_for_field): Don't add extra
4560 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4563 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4565 * config/mips/t-rtems: Add EL/EB multilib variants.
4567 2006-06-09 Mike Stump <mrs@apple.com>
4569 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4571 2006-06-09 David Daney <ddaney@avtrex.com>
4573 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4575 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4577 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4579 2006-06-09 Richard Guenther <rguenther@suse.de>
4581 PR tree-optimization/26998
4582 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4583 of signed types, only TYPE_MIN_VALUE is special, but for both,
4584 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4585 in this case, as is -fwrapv.
4587 2006-06-08 Mike Stump <mrs@apple.com>
4590 * config/darwin.c (darwin_asm_output_anchor): Disable
4591 -fsection-anchors on darwin for now.
4592 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4593 * rs6000/rs6000.c (optimization_options): Likewise.
4595 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4598 * config/i386/i386.c (classify_argument): Skip fields with invalid
4601 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4603 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4604 (cse_insn): Likewise for the stack_pointer_rtx.
4606 2006-06-08 Roger Sayle <roger@eyesopen.com>
4608 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4609 conditions from floating point comparisons.
4611 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4614 * expmed.c (struct alg_hash_entry): Fix type of field T
4615 to match synth_mult argument.
4616 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4618 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4621 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4624 2006-06-08 Richard Guenther <rguenther@suse.de>
4627 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4628 only, if overflow is defined and not trapping.
4629 (negate_expr): Likewise.
4631 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4633 PR tree-optimization/27872
4634 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4635 flag on the new exit edge of the unrolled loop.
4637 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4639 PR rtl-optimization/26449
4640 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4642 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4645 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4646 referenced_variables with matching DECL_UID's.
4647 (find_referenced_vars): Make sure duplicate list is empty to start.
4648 (referenced_var_p): Remove.
4649 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4650 Check if var is in the list, and add if needed. Update the duplicate
4651 list if a different var is in the list with the same DECL_UID.
4652 (add_referenced_var): Call routine to check and insert.
4653 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4654 * tree-flow.h (referenced_vars_dup_list): External declaration.
4656 2006-06-07 Fred Fish <fnf@specifix.com>
4658 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4661 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4664 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4665 the imaginary and real parts of a clobbered register.
4666 Emit insn to set the imaginary part.
4668 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4670 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4671 in lieu of unwind-dw2-fde.c.
4673 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4675 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4677 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4680 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4681 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4682 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4683 V4SImode temporaries and operations instead.
4685 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4687 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4690 2006-06-06 Mike Stump <mrs@apple.com>
4692 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4693 installing during build.
4695 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4697 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4699 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4700 * config/ia64/ia64.c (params.h): New header.
4701 (ia64_optimization_options): New function to adjust parameters.
4702 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4703 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4704 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4706 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4708 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4710 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4713 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4715 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4716 Victor Kaplansky <victork@il.ibm.com>
4718 PR tree-optimization/26360
4719 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4722 2006-06-04 Roger Sayle <roger@eyesopen.com>
4723 Andrew Pinski <pinskia@physics.uc.edu>
4726 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4727 for LABEL_DECL before calling DECL_WEAK.
4730 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4731 LABEL_DECL and PARM_DECL.
4733 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4737 * c-decl.c (grokdeclarator): Disallow variably modified types at
4738 file scope. Avoid marking shared array type of constant size as
4741 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4744 * c-common.c (fold_offsetof_1): Handle static members.
4746 2006-06-04 Eric Christopher <echristo@apple.com>
4748 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4749 (debug_rli): Output value for remaining_in_alignment.
4750 (update_alignment_for_field): Unconditionalize
4751 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4752 extra alignment code.
4753 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4754 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4755 * tree.h (record_layout_info_s): Remove prev_packed.
4756 * doc/extend.texi (ms_struct): Add documentation of format.
4758 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4760 * tree.h: Declare folding_initializer.
4761 * builtins.c (fold_builtin_constant_p): Give definite answer
4762 if folding inside an initializer.
4763 * fold-const.c: Define folding_initializer.
4764 (START_FOLD_INIT): Save and then set folding_initializer.
4765 (END_FOLD_INIT): Restore folding_initializer.
4767 2006-06-04 Richard Guenther <rguenther@suse.de>
4769 PR tree-optimization/27039
4770 * fold-const.c (fold_comparison): Handle pointer comparison
4771 again for all comparison codes. Compare offsets in signed
4773 (fold_binary): Move code from here.
4775 2006-06-03 Roger Sayle <roger@eyesopen.com>
4778 * config/i386/i386.c (construct_container): Split static issued_error
4779 flag into issued_sse_arg_error, issued_sse_ret_error and
4780 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4781 requires the use of x87 registers and the user explicitly
4782 specified the -mno-80387 command line option.
4784 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4786 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4787 HAVE_DECL_SIGALTSTACK.
4789 (segv_handler): Use MC_FLD.
4790 * configure.ac: Check for a sigaltstack declaration.
4791 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4792 * configure: Regenerate.
4793 * config.in: Regenerate.
4795 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4798 * Makefile.in (stmp-fixinc): Fix typo.
4800 2006-06-02 Roger Sayle <roger@eyesopen.com>
4802 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4803 are type correct. Clean-up.
4804 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4805 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4807 2006-06-01 DJ Delorie <dj@redhat.com>
4809 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4810 shift, as we've disabled the "switch" insn that needs it.
4812 2006-06-01 Per Bothner <bothner@bothner.com>
4814 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4815 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4816 * c-ppoutput.c (cb_define): Don't increment line 0.
4818 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4820 * doc/invoke.texi: Add cpu_type power6.
4821 * config.gcc: Add cpu_type power6.
4822 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4823 to power5+ with Altivec.
4824 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4825 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4827 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4829 * config/avr/avr.h (SET_ASM_OP): Define.
4831 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4833 * config/bfin/bfin.c: Fix comment typos.
4835 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4838 * doc/install.texi: Document --enable-bootstrap and
4839 --disable-bootstrap.
4841 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4843 * doc/install.texi: Document that InfoZIP can replace jar.
4845 2006-05-31 Roger Sayle <roger@eyesopen.com>
4847 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4848 isn't available, directly generate the simpler x87 patterns without
4849 the (use (const_int 0)).
4850 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4851 implementation isn't available.
4852 (*negdf2_1): Likewise.
4853 (*negxf2_1): XF mode negation is always done using the x87.
4854 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4856 2006-05-31 Roger Sayle <roger@eyesopen.com>
4858 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4859 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4861 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4863 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4865 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4866 * config/bfin/bfin.c (basic-block.h): Include.
4867 (struct machine_function): New.
4868 (bfin_init_machine_status): New.
4869 (override_options): Initialize init_machine_status.
4870 (bfin_hardware_loop): New.
4871 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4872 (DEF_VEC_P (loop_info)): New.
4873 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4874 (struct loop_info): New.
4875 (loop_info): New typedef.
4876 (struct loop_work): New.
4877 (loop_work): New typedef.
4878 (DEF_VEC_O (loop_work)): New.
4879 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4880 (bfin_dump_loops): New.
4881 (bfin_bb_in_loop): New.
4882 (bfin_scan_loop): New.
4883 (bfin_optimize_loop): New.
4884 (bfin_reorg_loops): New.
4885 (bfin_reorg): Use bfin_reorg_loops.
4886 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4888 (I_REGNO_P): Simplify.
4889 (DP_REGNO_P, DPREG_P): New macros.
4890 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4891 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4892 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4893 Add LT_REGS, LC_REGS, LB_REGS.
4894 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4896 (REGNO_REG_CLASS): Deal with loop registers.
4897 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4899 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4900 New constants for loop registers.
4901 (UNSPEC_LSETUP_END): New.
4902 (seq_insns): New define_attr. Set it for appropriate insns.
4903 (movsi_insn): Add alternatives for move from/to
4904 loop count registers.
4905 (doloop_end): New define_expand.
4906 (loop_end): New define_insn.
4907 (define_split for bad doloop_end): New.
4908 (lsetup_with_autoinit): New define_insn.
4909 (lsetup_without_autoinit): New define_insn.
4910 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4911 * config/bfin/predicates.md (lc_register_operand): New.
4912 (lt_register_operand): New.
4913 (lb_register_operand): New.
4914 (nondp_register_operand): New.
4915 (nondp_reg_or_memory_operand): New.
4916 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4918 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4920 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4921 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4923 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4925 * Makefile.in (CATALOGS): Add po/ prefix.
4926 * configure: Regenerated.
4928 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4931 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4932 a shift operand before calling shift_op. Avoid redundant call of
4935 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4936 DJ Delorie <dj@redhat.com>
4938 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4939 we're inserting is a singlt-bit constant.
4941 2006-05-30 Roger Sayle <roger@eyesopen.com>
4943 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4944 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4946 2006-05-30 Roger Sayle <roger@eyesopen.com>
4948 PR tree-optimization/23452
4949 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4950 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4951 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4952 complex values and with -ffast-math for FP complex values.
4954 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4956 * c-common.h: Remove the prototype for yyparse.
4957 * rtl.h: Remove the prototype for init_loop.
4959 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4961 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4964 2006-05-30 Roger Sayle <roger@eyesopen.com>
4966 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4968 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4969 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4971 2006-05-30 Dirk Mueller <dmueller@suse.de>
4974 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4975 for CONSTANT_CLASS_P expresisons.
4977 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4980 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4982 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4984 PR tree-optimization/27779
4985 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4986 initial_condition instead of CHREC_LEFT.
4988 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4990 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4991 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4992 Make prototypes ISO C90.
4994 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4995 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4997 * see.c (see_analyze_one_def): Correct check.
4998 (see_get_extension_data): Check if extension is parallel.
4999 (see_get_extension_reg): Likewise.
5001 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5004 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5005 into register for (code == GTU).
5007 2006-05-29 Roger Sayle <roger@eyesopen.com>
5009 PR tree-optimization/24964
5010 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5011 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5012 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5013 abs(x)*abs(x) as x*x for scalar floating point modes.
5015 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5018 * lambda-code.c (perfect_nestify): Don't copy statements
5019 in the inner loop: move them to the inner loop header.
5021 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5024 * c-tree.texi: Document OpenMP directives and clauses.
5026 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5028 * varasm.c (globalize_decl): Fix indentation.
5030 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5033 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5034 pass_fre, pass_store_ccp, pass_copy_prop,
5035 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5036 pass_return_slot, pass_object_size, pass_lim,
5037 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5038 pass_loop_prefetch and pass_stdarg.
5040 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5042 * config/bfin/bfin.opt (mfdpic): New option.
5043 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5044 (EXTRA_MULTILIB_PARTS): Likewise.
5045 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5046 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5048 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5049 (CRT_CALL_STATIC_FUNCTION): New.
5050 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5052 (CRT_CALL_STATIC_FUNCTION): New.
5053 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5055 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5056 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5057 (initialize_trampoline): Changed to handle FD-PIC code generation.
5058 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5059 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5060 (override_options): Disallow -mid-shared-library -mfdpic combination.
5061 Can't do unaligned ops if FD-PIC.
5062 Turn off flag_pic if trying to generate non-id-shared-library
5063 non-fdpic code, since it's not supported.
5064 (bfin_assemble_integer): New function.
5065 (TARGET_ASM_INTEGER): Define.
5066 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5068 * config/bfin/crtn.s: Restore them.
5069 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5071 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5072 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5073 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5074 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5075 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5077 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5078 FDPIC_REGS and FDPIC_FPTR_REGS.
5079 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5080 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5081 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5082 (load_funcdescsi): New pattern.
5083 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5084 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5085 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5087 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5089 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5092 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5094 * tree-flow.h: Remove the prototype for add_type_alias.
5095 * tree-ssa-alias.c (add_type_alias): Remove.
5097 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5099 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5100 config/fr30/fr30.md, config/i386/i386-interix.h,
5101 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5102 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5103 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5104 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5105 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5106 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5107 Follow spelling conventions.
5108 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5109 Follow spelling conventions.
5111 2006-05-27 Richard Guenther <rguenther@suse.de>
5114 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5115 to produce a constant of value 1 of generic type.
5117 2006-05-27 Dirk Mueller <dmueller@suse.de>
5119 * cgraphunit.c (decide_is_function_needed): Fix wrong
5122 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5124 PR rtl-optimization/27661
5125 * reload.c (find_reloads): When reloading a VOIDmode constant
5126 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5127 use Pmode as mode of the reload register.
5129 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5131 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5132 is enabled at -O and above.
5134 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5137 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5140 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5143 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5144 for anonymous variables explicitly declared by front ends.
5146 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5148 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5149 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5150 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5151 ref-all pointers, run a finalization pass for them.
5152 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5153 (finalize_ref_all_pointers): New function.
5154 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5155 regular pointer type to a ref-all pointer type.
5156 (get_tmt_for): Return the special memory tag for ref-all pointers.
5158 2006-05-25 Richard Guenther <rguenther@suse.de>
5161 * fold-const.c (fold_binary): Do not look at the stripped
5162 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5164 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5166 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5167 for LT and GT if the computed range is effectively empty.
5169 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5172 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5173 mips_quad_format formats instead of ieee_single_format,
5174 ieee_double_format and ieee_quad_format formats, respectively.
5176 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5178 PR tree-optimization/27639
5179 PR tree-optimization/26719
5180 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5181 call to scev_probably_wraps_p.
5182 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5183 used_in_pointer_arithmetic_p, convert_step): Removed.
5184 (nowrap_type_p): New function.
5185 (scev_probably_wraps_p): Rewritten.
5186 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5187 chrec_convert if chrec_convert_aggressive might have been used.
5188 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5189 scev_direction): New functions.
5190 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5191 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5192 instead of convert_step.
5193 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5194 (convert_step): Declaration removed.
5195 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5197 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5199 * df-core.c: Added to header comments.
5200 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5201 df_ur_bb_info, df_urec_bb_info): Added comments.
5202 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5203 urec, ri problems): Fixed header comments.
5204 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5205 code from df_rd_transfer_function.
5207 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5209 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5210 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5211 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5213 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5215 * expr.c (undefined_operand_subword_p): New.
5216 (emit_move_multi_word): Do not generate move from undefined bits
5217 of a paradoxical subreg.
5219 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5221 PR rtl-optimization/27736
5222 * combine.c (replaced_rhs_value): New variable.
5223 (combine_instructions): Set it.
5224 (distribute_notes): When distributing a note in replaced_rhs_insn,
5225 check whether the value was used in replaced_rhs_value.
5227 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5230 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5231 add_referenced_var instead of add_referenced_tmp_var.
5232 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5233 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5235 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5236 tree_optimize_tail_calls_1): Use add_referenced_var.
5237 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5238 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5239 Use add_referenced_var.
5240 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5241 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5242 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5243 Use add_referenced_var.
5244 * tree-dfa.c (struct walk_state): Remove.
5245 (find_referenced_vars): Remove walk state and vars_found hash table.
5246 (make_rename_temp): Use add_referenced_var.
5247 (find_vars_r): Pass less parameters to add_referenced_var.
5248 (referenced_var_p): New. Is var in referenced_var hash table.
5249 (referenced_var_insert): Assert var isn't already in hash table.
5250 (add_referenced_var): Don't need walk_state parameter. Add var if it
5251 isn't already in the hash table.
5252 (add_referenced_tmp_var): Remove.
5253 (find_new_referenced_vars_1): Use add_referenced_var.
5254 * tree-ssa-pre.c (create_expression_by_pieces,
5255 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5256 Use add_referenced_var.
5257 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5258 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5259 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5261 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5262 vect_create_data_ref_ptr, vect_create_destination_var,
5263 vect_init_vector, vect_build_loop_niters,
5264 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5265 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5266 Use add_referenced_var.
5267 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5268 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5269 (add_referenced_var): Add prototype.
5270 * tree-ssa-structalias.c (get_constraint_for,
5271 intra_create_variable_infos): Use add_referenced_var.
5273 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5275 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5276 big-endian paradoxical subregs.
5277 * var-tracking.c (struct micro_operation_def): Document that,
5278 for modify micro operations, insn is the subsequent instruction.
5279 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5280 (var_reg_set, var_mem_set): ... new functions.
5281 (add_stores): Record subsequent insn.
5282 (compute_bb_dataflow): Use new functions for MO_USE.
5283 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5284 notes after the insn, and modify notes before the insn known
5285 to be the subsequent one.
5286 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5288 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5291 * config/i386/i386.c (ix86_expand_builtin): Use
5292 gen_sse3_monitor64 for TARGET_64BIT.
5294 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5296 PR rtl-optimization/26375
5297 PR rtl-optimization/26855
5298 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5300 (df_ru_bb_local_compute): Reversed statements and removed bogus
5301 comment explaining why they should be in wrong order.
5302 (df_ru_dump, df_rd_dump): Enhanced debug info.
5303 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5305 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5306 reaching uses and fixed space problem.
5308 2006-05-23 Jan Hubicka <jh@suse.cz>
5310 * cgraphunit.c (decide_is_function_needed): Also nested functions
5311 and functions declared inline can be optimized out at -O0.
5313 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5315 * doc/install.texi (Configuration): Remove reference to CrossGCC
5319 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5322 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5323 ix86_compare_emitted is non-NULL.
5325 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5328 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5331 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5333 PR rtl-optimization/25514
5334 * combine.c (replaced_rhs_insn): New variable.
5335 (combine_instructions): Set replaced_rhs_insn when trying to replace
5336 a SET_SRC with a REG_EQUAL note.
5337 (distribute_notes): Use replaced_rhs_insn when determining the live
5338 range of a REG_DEAD register.
5340 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5341 Anatoly Sokolov <aesok@post.ru>
5343 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5344 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5345 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5346 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5347 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5348 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5349 at90usb647, at90usb1286 and at90usb1287 devices.
5350 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5351 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5353 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5355 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5357 2006-05-22 Richard Guenther <rguenther@suse.de>
5360 2006-01-31 Richard Guenther <rguenther@suse.de>
5361 Paolo Bonzini <bonzini@gnu.org>
5363 * doc/install.texi (--disable-libgcc-math): Document.
5365 2006-05-22 Richard Guenther <rguenther@suse.de>
5368 2006-01-31 Richard Guenther <rguenther@suse.de>
5370 * doc/invoke.texi (-msselibm): Document.
5371 * target.h (expand_library_builtin): New target hook.
5372 * builtins.c (expand_builtin): Use expand_library_builtin.
5373 (default_expand_library_builtin): New function.
5374 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5375 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5376 (link_gcc_math_spec): Declare.
5377 (static_specs): Add link_gcc_math_spec.
5378 * expr.h (default_expand_library_builtin): Declare.
5379 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5380 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5381 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5382 * config/i386/i386.opt (msselibm): New target option.
5383 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5384 (ix86_init_sse_abi_builtins): New function.
5385 (ix86_expand_library_builtin): Likewise.
5386 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5387 (override_options): Handle error conditions wrt -msselibm.
5388 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5389 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5390 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5393 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5396 * c-common.c (self_promoting_args_p): Skip erroneous args.
5399 * c-decl.c (finish_struct): Skip erroneous fields.
5401 2006-05-22 Nick Clifton <nickc@redhat.com>
5403 * config/cris/cris.opt (march): Remove VarExists attribute.
5404 (max-stackframe=): Likewise.
5406 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5408 * doc/rtl.texi: Fix a typo.
5409 * see.c: Fix comment typos.
5411 * tree-ssa-structalias.h (alias_info): Remove num_references.
5413 2006-05-21 Mike Stump <mrs@apple.com>
5415 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5417 (darwin_pragma_options): Use BAD instead.
5418 (darwin_pragma_unused): Likewise.
5419 (darwin_pragma_ms_struct): Likewise.
5421 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5423 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5425 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5427 PR rtl-optimization/27671
5428 * simplify-rtx.c (simplify_relational_operation_1): Fix
5429 simplifications of (eq/ne (xor x y) y) and
5430 (eq/ne (xor x y) x).
5432 PR tree-optimization/26622.
5433 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5436 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5438 * tree-cfg.c: Prune whitespace.
5439 (debug_tree_cfg): Point to correct header containing the
5442 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5445 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5447 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5450 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5451 or sorry count is non zero.
5453 2006-05-20 Andreas Schwab <schwab@suse.de>
5455 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5457 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5458 Kenneth Zadeck <zadeck@naturalbridge.com>
5460 PR rtl-optimization/26855
5462 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5464 (df_scan_alloc): Added code to properly handle multiword hard
5465 registers and add all_blocks parameter.
5466 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5467 code to properly handle multiword hard registers.
5468 (df_rescan_blocks): Added code to remove deleted blocks from
5470 (df_ref_create_structure, df_ref_record): Added code to properly
5472 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5473 and set DF_REF_PARTIAL.
5474 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5475 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5476 (df_scan_add_problem): Added flags parameter.
5477 (df_ref_create_structure): Changed switching structure.
5478 (df_bb_refs_record): Fixed case where duplicate artificial refs
5479 were created. Changed location of flags.
5480 (df_record_entry_block_defs): Added code to make stack pointer
5481 live in entry block. Refined cases where frame pointer is needed.
5482 Changed location of flags.
5483 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5484 (df_set_state): Removed function.
5485 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5486 df_insn_create_insn_record, df_insn_refs_delete,
5487 df_ref_create_structure): Formatting changes.
5488 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5489 df_delete_basic_block): New function.
5490 (df_init): Changed location of flags.
5491 (df_add_problem): Added flags parameter and the way flags are
5493 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5494 debug_df_chain): Improved debugging output.
5495 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5496 (df_refs_chain_dump): Removed df parameter.
5497 (df_iterative_dataflow): Added consistency check.
5498 (df_prune_to_subcfg): Made public.
5499 (df_analyze_problem): Added blocks_to_init parameter and made
5501 (df_ref_record, df_bb_refs_record, df_mark_reg,
5502 df_record_exit_block_uses): Whitespace changes.
5503 (df_dump): Whitespace changes.
5504 * df.h: Some reordering to remove forward references.
5505 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5506 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5507 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5508 (dataflow.flags): New field.
5509 (df.flag): Deleted field.
5510 (df_alloc_function): Added additional bitmap parameter.
5511 (df_dependent_problem_function): New type.
5512 (df_problem.changeable_flags): New field.
5513 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5514 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5515 (df_mw_hardreg): New struct.
5516 (DF_INSN_UID_MWS): New macro.
5517 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5519 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5520 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5521 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5522 (df_set_state): Removed function.
5523 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5524 * df-problems.c (df_chain_dump): Removed df parameter.
5525 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5526 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5528 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5529 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5530 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5531 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5532 DF_REF_MUST_CLOBBER cases.
5533 (df_ru_bb_local_compute_process_def,
5534 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5535 df_lr_bb_local_compute, df_ur_bb_local_compute,
5536 df_chain_create_bb): Made subreg aware.
5537 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5538 df_lr_bb_local_compute, df_lr_bb_local_compute,
5539 df_chain_create_bb): Cleanup to use proper macros.
5540 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5541 code to fixup bitvectors.
5542 (df_ri_alloc): Cleared lifetime.
5543 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5544 df_create_unused_note): New function.
5545 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5546 REG_DEAD and REG_UNUSED notes as well as register information.
5547 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5548 df_chains_dump): Fixed crash if problem was never run.
5549 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5550 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5551 df_ri_add_problem): Processes flags in uniform manner.
5552 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5553 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5554 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5555 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5556 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5557 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5558 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5559 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5560 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5561 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5562 * see.c (see_initialize_data): Ditto.
5563 * final.c (rest_of_clean_state) Added regstack_completed.
5564 * rtl.h (regstack_completed): Ditto.
5565 * reg-stack.c (regstack_completed): Ditto.
5567 2006-05-19 Mike Stump <mrs@apple.com>
5569 * c-tree.h (default_conversion): Remove.
5570 * c-common.h (default_conversion): Add.
5572 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5574 * tree-vrp.c (valid_value_p): New function.
5575 (adjust_range_with_scev): Fail if the value of bound is not
5578 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5580 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5581 (mips_fallback_frame_state): Use syscall numbers to determine
5582 the appropriate li instruction for the current ABI. Only use
5583 __NR_sigreturn for o32.
5585 2006-05-19 Nicolas Setton <setton@adacore.com>
5587 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5588 * langhooks.c (lhd_dwarf_name): New function.
5589 * langhooks-def.h (lhd_dwarf_name): Declare.
5590 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5591 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5592 * ada/misc.c (gnat_dwarf_name): New function.
5593 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5595 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5597 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5599 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5600 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5601 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5602 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5603 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5604 determine the size of Wtype, etc.
5605 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5606 (swfloatfuncs): New variable.
5607 (dwfloatfuncs): Likewise.
5608 (lib2funcs): Remove floating-point conversion functions from
5609 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5610 the set of conversion routines needed. Allow entries to specify
5611 an object name, filename and word size. Update users accordingly.
5612 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5613 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5617 2006-02-08 Roger Sayle <roger@eyesopen.com>
5620 * config/fixtfdi.c: New libgcc source file.
5621 * config/fixunstfdi.c: New source file.
5622 * config/floatditf.c: New source file.
5623 * config/floatunditf.c: New souce file.
5624 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5625 files above instead of config/mips/_tilib.c.
5626 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5628 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5630 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5631 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5633 2006-05-18 Mike Stump <mrs@apple.com>
5635 Fix up vla, vm and [*] sematics.
5641 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5642 (c_vla_unspec_p): Add.
5643 (c_vla_type_p): Add.
5644 * c-decl.c (struct c_scope): Add had_vla_unspec.
5645 (build_array_declarator): Add support for [*].
5646 (grokdeclarator): Likewise.
5647 (grokparms): Likewise.
5648 (get_parm_info): Likewise.
5649 * c-objc-common.c (c_vla_unspec_p): Likewise.
5650 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5651 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5652 typeof when argument is a variably modified type not inside sizeof or alignof.
5653 (c_parser_direct_declarator_inner): Propagate errors.
5654 (c_parser_sizeof_expression): Add support for [*].
5655 (c_parser_parms_declarator): Initialize had_vla_unspec.
5656 (c_parser_parms_list_declarator): Likewise.
5657 * c-typeck.c (c_vla_type_p): Add.
5658 (composite_type): Add support for vla compositing.
5659 (comptypes_internal): Add support for vla compatibility.
5660 (c_expr_sizeof_expr): Evaluate vla arguments.
5661 * tree.c (variably_modified_type_p): Update comment for [*].
5663 2006-05-18 Michael Matz <matz@suse.de>
5666 * config.host: Make assignments to host_xmake_file cumulative.
5667 * config.host (*-darwin*): Test $host, not $target.
5669 2006-05-12 Stuart Hastings <stuart@apple.com>
5671 * config/i386/i386.opt (-mstackrealign): New flag.
5672 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5673 (ix86_handle_cconv_attribute): Emit error when
5674 force_align_arg_pointer attribute collides with too many regparms.
5675 (ix86_function_regparm): Limit regparms when used with
5676 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5677 Support stack-realigning prologue in non-main functions. Emit
5678 warning for nested functions under -mstackrealign, emit error for
5679 nested functions with force_align_arg_pointer attribute.
5680 * doc/extend.texi (force_align_arg_pointer): Document it.
5681 * doc/invoke.texi (-mstackrealign): Document it.
5683 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5685 PR rtl-optimization/27477
5686 * combine.c (try_combine): Don't split a parallel consisting
5687 of two sets into two individual sets if both sets reference
5690 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5692 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5693 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5695 * doc/options.texi (VarExists): Updated.
5697 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5699 * unwind-dw2.c: Add declarations for uw_update_context and
5701 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5702 detected, advance frame state and context once to skip over stub.
5704 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5708 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5709 Call rewrite_into_loop_closed_ssa only when something changed.
5710 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5711 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5712 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5713 Test for perfect_nest_p here. Fix formating.
5714 (replace_uses_equiv_to_x_with_y): Fix formating.
5715 (stmt_uses_op): Removed.
5716 (can_convert_to_perfect_nest): Removed loopivs parameter.
5717 Complete the test by checking the scalar dependences.
5718 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5721 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5724 From Dan Kegel <dank@kegel.com>:
5725 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5727 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5729 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5730 if the element type is variably modified without recursing.
5732 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5735 * tree-loop-linear.c (try_interchange_loops): Test for
5736 no data dependences.
5738 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5740 PR tree-optimization/27548
5741 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5742 range of ssa names that appear on abnormal edges.
5743 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5744 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5746 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5749 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5751 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5754 * tree.h (OMP_PARALLEL_COMBINED): Define.
5755 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5756 (new_omp_context): Add is_combined_parallel argument.
5757 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5758 new_omp_context caller.
5759 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5760 Adjust gimplify_scan_omp_clauses callers.
5761 (omp_is_private): Issue errors if iteration variable is firstprivate
5762 or reduction in the current context.
5763 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5764 on combined parallel workshare constructs.
5766 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5768 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5769 (gcc-options.o): New rule.
5771 * optc-gen.awk: Protect variables for gcc-options.o with
5772 #ifdef GCC_DRIVER/#endif.
5774 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5776 Fix PR tree-optimization/27373
5777 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5778 (forward_propagate_addr_expr): Update call.
5780 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5782 * doc/options.texi: Move the Negative option.
5784 2006-05-16 Richard Guenther <rguenther@suse.de>
5786 PR tree-optimization/22303
5787 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5789 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5790 ccp_fold did not simplify the statement.
5792 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5795 * Makefile.in (GCC_OBJS): New.
5796 (OBJS-common): Add opts-common.o.
5797 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5798 (cpp$(exeext)): Likewise.
5799 (gcc.o): Also depend on opts.h.
5800 (opts-common.o): New.
5802 * common.opt (gcoff): Add Negative(gdwarf-2).
5803 (gdwarf-2): Add Negative(gstabs).
5804 (gstabs): Add Negative(gstabs+).
5805 (gstabs+): Add Negative(gvms).
5806 (gvms): Add Negative(gxcoff).
5807 (gxcoff): Add Negative(gxcoff+).
5808 (gxcoff+): Add Negative(gcoff).
5809 * config/i386/i386.opt (m32): Add Negative(m64).
5810 (m64): Add Negative(m32).
5812 * doc/options.texi: Document the Negative option.
5814 * gcc.c: Include "opts.h".
5815 (main): Call prune_options after expandargv.
5817 * optc-gen.awk: Generate common declarations for all flag
5818 variables in options.c. Output the neg_index field.
5820 * opts.c (find_opt): Moved to ...
5821 * opts-common.c: Here. New file.
5823 * opts.h (cl_option): Add a neg_index field.
5825 (prune_options): Likewise.
5827 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5830 * omp-low.c (expand_omp_parallel): Don't assert
5831 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5832 instead search for it.
5835 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5838 2006-05-16 Andreas Schwab <schwab@suse.de>
5840 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5843 2006-05-15 Roger Sayle <roger@eyesopen.com>
5846 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5847 integer constants other than zero are only legitimate on TARGET_64BIT.
5848 <CONST_VECTOR> Only zero vectors are legitimate.
5849 (ix86_cannot_force_const_mem): Integral and vector constants can
5850 always be put in the constant pool.
5852 2006-05-16 DJ Delorie <dj@redhat.com>
5854 * crtstuff.c (__dso_handle): Set section from
5855 TARGET_LBIGCC_SDATA_SECTION if defined.
5856 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5857 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5859 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5862 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5865 2006-05-16 Ben Elliston <bje@au.ibm.com>
5867 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5869 2006-05-15 Per Bothner <per@bothner.com>
5871 * tree.c: (last_annotated_node): Use source_locus typedef.
5872 This permits bootstrapping with --enable-mapped-location.
5874 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5876 PR tree-optimization/26830
5877 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5878 (info_for_ssa_name, current_info_for_ssa_name_age,
5879 blocks_to_update): New variables.
5880 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5881 (clear_ssa_name_info, initialize_flags_in_bb,
5882 mark_block_for_update): New functions.
5883 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5884 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5885 prepare_def_site_for): Use mark_block_for_update.
5886 (mark_def_interesting): Assert that the processed block is marked in
5887 blocks_to_update. Do not take blocks argument.
5888 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5890 (rewrite_update_init_block, rewrite_update_stmt): Only process
5891 blocks with statements to rewrite.
5892 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5893 (update_ssa): Initialize and free blocks_to_update. Do not
5894 clear flags on statements. Do not use blocks bitmap.
5895 * tree.h (SSA_NAME_AUX): Removed.
5896 (struct tree_ssa_name): Removed aux field.
5897 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5899 2006-05-15 Richard Guenther <rguenther@suse.de>
5901 PR tree-optimization/27603
5902 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5903 Do computations in original type.
5905 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5907 * see.c: Code style changes such as redundant paranthesis,
5908 redundant intialization of local variables etc.
5909 (see_main): Declared now as static.
5910 * doc/invoke.texi: Update that -fsee is not enabled by
5913 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5915 * omp-low.c (check_omp_nesting_restrictions): New function.
5916 (scan_omp_1): Call it.
5919 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5920 construct, return *VAR.
5922 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5924 PR rtl-optimization/27406
5925 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5928 2006-05-14 Roger Sayle <roger@eyesopen.com>
5930 PR rtl-optimization/27538
5931 * combine.c (expand_compound_operation): Call gen_lowpart
5932 before calling simplify_shift_const.
5934 2006-05-14 Roger Sayle <roger@eyesopen.com>
5936 PR rtl-optimization/22563
5937 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5938 a fixed width bitfield, always force the intermediates into psuedos.
5940 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5943 * mkconfig.sh: Use operator = instead of == for test.
5945 2006-05-13 Nick Clifton <nickc@redhat.com>
5947 * dwarf2out.c (dbx_reg_number): Check return value from
5948 LEAF_REG_REMAP and only use it if it is valid.
5949 (multiple_reg_loc_descriptor): Likewise.
5951 2006-05-13 Richard Guenther <rguenther@suse.de>
5953 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5956 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5958 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5959 information attached to non-INSNs such as NOTEs.
5960 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5962 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5964 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5966 * config/s390/s390.md: Adjust comment describing On constraint.
5968 2006-05-11 Jan Hubicka <jh@suse.cz>
5970 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5971 to be output at -O0.
5973 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5976 * fold-const.c (size_binop): Move sanity check for arguments to
5977 the beginning of the function.
5980 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5983 2006-05-11 Richard Guenther <rguenther@suse.de>
5986 * fold-const.c (fold_unary): Handle intermediate conversion
5987 to a pointer type like intermediate conversion to an integer
5988 type in folding of (T1)(T2)var to var.
5989 Match the code to the comment in the final conversion for
5990 (T1)(T2)var to (T1)var regarding to type precision. Rather
5991 than disallow T1 being of pointer type, assert that both T1
5992 and var are of pointer type or not. Make sure not to fall
5993 over the frontends lazyness wrt array to pointer decay though.
5995 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5997 * arm.c (arm_struct_value_rtx): Delete.
5998 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5999 (arm_init_cumulative_args): Always initialize nregs to zero.
6001 2006-05-10 Richard Guenther <rguenther@suse.de>
6003 PR tree-optimization/27532
6004 * tree-object-size.c (plus_expr_object_size): Fix typo.
6006 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6009 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6010 ashrdi_const, ashrdi3): Use a scratch register.
6012 2006-05-10 Richard Guenther <rguenther@suse.de>
6014 PR tree-optimization/27302
6015 * fold-const.c (operand_equal_p): For two comparisons,
6016 try comparison of one comparison code swapped if that yields
6019 2006-05-10 Ben Elliston <bje@au.ibm.com>
6021 * tree-pretty-print.c (pretty_print_string): No need to handle
6022 '\0' as a special character.
6024 * tree.h: Include "hashtab.h".
6025 (iterative_hash_expr): Use hashval_t in its prototype.
6026 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6028 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6031 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6032 (hppa*64*-*-hpux11*): Ditto.
6033 (hppa[12]*-*-hpux11*): Ditto.
6035 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6038 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6040 2006-05-09 Michael Matz <matz@suse.de>
6042 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6043 host_extra_gcc_objs and host_xmake_file.
6044 (<*-*-linux*>): Don't overwrite host_xmake_file.
6045 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6046 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6047 (host_detect_local_cpu): Declare.
6048 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6049 * config/i386/i386.c (override_options): Handle -mtune=native
6051 * config/i386/x-i386: New file.
6052 * config/i386/driver-i386.c: New file.
6053 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6056 2006-05-09 Dirk Mueller <dmueller@suse.de>
6057 Richard Guenther <rguenther@suse.de>
6060 * fold-const.c (fold_read_from_constant_string): Relax check
6061 for matching types to matching modes.
6063 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6065 PR rtl-optimization/27335
6066 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6069 2006-05-08 Chao-ying Fu <fu@mips.com>
6070 Richard Sandiford <richard@codesourcery.com>
6072 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6073 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6074 * config/mips/mips.md (UNSPEC_SCC): New constant.
6075 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6076 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6077 (mips_emit_compare): Use it.
6078 (mips_expand_vcondv2sf): New function.
6080 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6082 Fix PR tree-optimization/27093
6083 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6084 renaming when they become not-used_alone.
6086 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6088 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6089 relocation and relocation stubs.
6091 2006-05-08 Eric Christopher <echristo@apple.com>
6093 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6096 2006-05-08 Jan Hubicka <jh@suse.cz>
6099 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6100 unused static functions are needed.
6102 2006-05-08 Roger Sayle <roger@eyesopen.com>
6105 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6106 of a reg_equiv_constant if the result is a legitimate constant.
6108 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6111 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6112 standard 80387 constants, raise the cost to prevent
6113 compress_float_constant() to generate load from memory.
6115 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6117 * config/arm/constraints.md (c): Fix a typo.
6119 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6122 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6125 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6127 (_mm_mwait): Likewise.
6129 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6131 (sse3_monitor): Make it 32bit only.
6132 (sse3_monitor64): New. 64bit monitor.
6134 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6137 * config/i386/i386.c (classify_argument): Skip fields with invalid
6140 2006-05-07 Richard Guenther <rguenther@suse.de>
6142 PR tree-optimization/27409
6143 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6144 Do not try to find zero-sized subvars.
6146 2006-05-07 Richard Guenther <rguenther@suse.de>
6148 PR tree-optimization/27136
6149 * tree-ssa-loop-niter.c (get_val_for): Correct function
6150 comment, assert requirements.
6151 (loop_niter_by_eval): Stop processing if the iterated
6152 value did not simplify.
6154 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6156 * opts.c (flag_see): remove its setting at -O3.
6158 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6160 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6161 * arm/constraints.md: New file.
6162 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6163 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6164 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6165 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6166 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6167 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6168 * arm.md: Include constraints.md.
6169 (thumb_movsi_insn): Use satisfies_constraint_J.
6170 (movhi, movqi): Use satisfies_constraint_I.
6172 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6174 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6175 for atmeg a645 device.
6177 2006-05-06 Richard Guenther <rguenther@suse.de>
6179 PR tree-optimization/27151
6180 * tree-vect-transform.c (vectorizable_condition): Punt on
6181 values that have a different type than the condition.
6183 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6186 * c-parser.c (c_parser_cast_expression): Only insert casts into
6187 hash table if pointer.
6188 * function.c (used_types_insert_helper): Rename from
6190 (used_types_insert): Call used_types_insert_helper.
6191 * function.h (used_types_insert): Accept only one argument.
6193 2006-05-05 David Edelsohn <edesohn@gnu.org>
6195 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6196 scratch with output modifier.
6198 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6201 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6202 with output modifier.
6204 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6207 * config/mips/mips.c (mips_symbolic_address_p): Return true
6208 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6209 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6211 2006-05-04 Richard Guenther <rguenther@suse.de>
6213 PR tree-optimization/14287
6214 PR tree-optimization/14844
6215 PR tree-optimization/19792
6216 PR tree-optimization/21608
6217 PR tree-optimization/27090
6218 * tree-ssa-pre.c (try_combine_conversion): New function.
6219 (compute_avail): After constructing the value-handle
6220 expression, use try_combine_conversion to combine NOP_EXPRs
6221 with previous value-handle expressions and use the result if it
6224 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6226 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6228 2006-05-04 Jan Hubicka <jh@suse.cz>
6231 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6233 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6235 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6236 that this only matches CONST_INTs. All users changed to VOIDmode
6239 * config/bfin/bfin.c: Include "optabs.h".
6240 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6242 (enum bfin_builtins): Add a number of fractional and vector builtins.
6243 (bfin_init_builtins): Likewise.
6244 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6245 (safe_vector_operand, bfin_expand_binop_builtin,
6246 bfin_expand_unop_builtin): New functions.
6247 (bfin_expand_builtin): Handle the new builtins.
6248 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6251 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6254 * Makefile.in (OBJS-common): Add see.o.
6255 (see.o): Add dependencies.
6256 * common.opt (fsee): New flag for the see optimization was added.
6257 * opts.c (flag_see): Initialized.
6258 * passes.c (init_optimization_passes, pass_see): New pass.
6259 * rtl.h (see_main): Declaration as extern.
6260 * timevar.def (TV_SEE): New.
6261 * tree-pass.h (pass_see): Declaration as extern.
6262 * invoke.texi (-fsee): Document.
6263 * recog.c (validate_simplify_insn): New function.
6264 * recog.h (validate_simplify_insn): Declaration as extern.
6265 * df-problems.c (df_chain_dump): Check for NULL.
6267 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6268 Daniel Berlin <dberlin@dberlin.org>
6270 * cfgrtl.c (insert_insn_bb_end_new): New function.
6271 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6273 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6275 * df.h (struct web_entry): Moved from web.c.
6276 (union_defs): Declaration as extern.
6277 (unionfind_root): Likewise.
6278 (unionfind_union): Likewise.
6279 * web.c (struct web_entry): Moved to df.h.
6280 (unionfind_root): Remove static declaration.
6281 (unionfind_union): Likewise.
6282 (union_defs): Likewise and generalize to use callback function.
6283 (web_main): Update arguments for union_defs function call.
6285 2006-05-04 Richard Guenther <rguenther@suse.de>
6287 PR tree-optimization/26447
6288 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6289 produce SSA_NAME copies before the store stmt to avoid
6290 breaking exception handling.
6292 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6295 * gimplify.c (omp_is_private): If var is shared in some outer context,
6296 return false instead of true. Stop searching on parallel context
6299 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6302 * coverage.c: Use get_gcov_unsigned_t() instead of
6303 unsigned_type_node all over.
6305 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6307 PR tree-optimization/27381
6308 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6309 maintain the same immediate_use links.
6310 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6311 node rather than segfaulting.
6313 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6316 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6317 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6318 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6320 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6322 Fix PR tree-optimization/26626
6323 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6325 * tree-ssa-operands.c (access_can_touch_variable): Allow
6326 typecasting through union pointers.
6328 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6331 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6332 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6333 to find if var will be a global variable even in the nested context.
6334 (omp_copy_decl): Only check for global variable at the end, it might
6335 be overridden in outer contexts.
6336 (scan_sharing_clauses): For global variables don't create a field.
6337 (lower_rec_input_clauses): Do nothing for global shared variables.
6338 Emit a barrier at the end of ILIST if there were any decls in both
6339 firstprivate and lastprivate clauses.
6340 (lower_send_clauses): Do nothing for global variables except for
6343 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6345 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6346 of the correct signedness is returned.
6348 2006-05-02 Jeff Law <law@redhat.com>
6350 PR tree-optimization/27364
6351 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6352 multiply expressions.
6354 2006-05-02 Tom Tromey <tromey@redhat.com>
6356 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6358 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6361 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6362 -mthumb -fPIC are used.
6364 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6365 Joshua Kinard <kumba@gentoo.org>
6368 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6369 with 64-bit pointers.
6371 2006-05-02 Paul Brook <paul@codesourcery.com>
6373 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6375 (create_fix_barrier): Check that a suitable barrier location is
6377 (arm_reorg): Include ftmp->address in allowable range of addresses.
6379 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6382 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6385 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6388 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6389 around RESULT_DECL for result passed by reference.
6390 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6391 * omp-low.c (use_pointer_for_field): Don't look at
6392 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6393 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6394 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6395 time or var for passing by reference for
6396 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6397 TREE_ADDRESSABLE variables when passing by reference.
6399 * omp-low.c (dump_omp_region): Fix output formatting.
6402 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6403 (expand_omp_parallel): Likewise.
6404 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6407 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6408 on statement list containing also constructors and destructors.
6409 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6412 * except.c (duplicate_eh_regions): Fix clearing of
6413 cfun->eh->region_array entries.
6415 2006-05-01 DJ Delorie <dj@redhat.com>
6417 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6419 (gcc_cv_objdump): Likewise.
6420 * configure: Regenerated.
6422 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6425 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6426 templates for case 3 and 4.
6428 2006-05-01 DJ Delorie <dj@redhat.com>
6430 * vec.c: Include bconfig.h when appropriate.
6431 * Makefile.in (build/vec.o): Adjust dependencies.
6432 * mkconfig.sh: Make sure config.h isn't used for build machine
6435 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6437 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6439 (mark_phi_for_rewrite): New function.
6440 (insert_phi_nodes_for, mark_use_interesting): Call
6441 mark_phi_for_rewrite.
6442 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6443 (update_ssa): Initialize and free phis_to_rewrite.
6445 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6447 PR rtl-optimization/27291
6448 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6449 folded to a constant.
6451 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6453 PR tree-optimization/27283
6454 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6455 not whole # of iteration descriptions.
6456 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6457 uses abnormal ssa name.
6458 (niter_for_single_dom_exit): Ditto.
6459 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6460 return just the number of iterations.
6462 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6464 PR tree-optimization/27144
6465 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6466 (record_estimate): Only record constant upper bound.
6467 (infer_loop_bounds_from_undefined): Call
6468 compute_estimated_nb_iterations just once.
6469 (proved_non_wrapping_p): Renamed to ...
6470 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6471 (convert_step_widening, scev_probably_wraps_p): Call
6472 n_of_executions_at_most instead of proved_non_wrapping_p.
6473 (substitute_in_loop_info): Do not replace values in bounds.
6474 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6477 2006-05-01 Richard Henderson <rth@redhat.com>
6480 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6481 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6484 2006-05-01 Roger Sayle <roger@eyesopen.com>
6486 * c-typeck.c (parser_build_binary_op): Don't call the function
6487 unsigned_conversion_warning to spot operand/result type overflow.
6488 (build_binary_op): Instead, call convert_and_check instead of
6489 convert to report the problem when the operands are promoted.
6490 * c-common.c (unsigned_conversion_warning): Make static.
6491 * c-common.h (unsigned_conversion_warning): Delete prototype.
6493 2006-05-01 Richard Guenther <rguenther@suse.de>
6495 PR tree-optimization/26726
6496 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6498 (find_interesting_uses_address): ... we work around here
6499 by folding INDIRECT_REFs in the substituted base.
6501 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6503 * omp-low.c (dump_omp_region): Add newlines.
6505 2006-04-30 Roger Sayle <roger@eyesopen.com>
6507 * common.opt (Woverflow): New command line option.
6508 * c-common.c (constant_expression_warning): Check warn_overflow.
6509 (overflow_waring): Pass OPT_Woverflow to warning.
6510 (unsigned_conversion_warning): Likewise.
6511 (convert_and_check): Likewise.
6512 * doc/invoke.texi: Document new command line option.
6514 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6516 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6517 TARGET_NO_FP_IN_TOC for section anchors.
6518 (optimization_options): Enable section anchors for all
6519 non-"Objective" languages.
6521 2006-04-28 Eric Christopher <echristo@apple.com>
6523 * config/darwin-c.c (darwin_ms_struct): Move this
6524 (darwin_set_default_type_attributes): and this...
6525 * config/darwin.c: ... here.
6526 * config/darwin.h (darwin_ms_struct): Declare.
6528 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6530 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6532 2006-04-28 Roger Sayle <roger@eyesopen.com>
6535 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6536 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6537 an unsigned HOST_WIDE_INT.
6538 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6540 (really_start_incremental_init): No need to call convert because
6541 bitsize_zero_node is already of type bitsizetype.
6542 (push_init_level): Extract the value of constructor_index as an
6543 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6544 (process_init_element): Likewise.
6546 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6548 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6549 value before passing to make_relative_prefix.
6551 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6554 * builtins.c (expand_builtin_memset): Expand val in original mode.
6556 2006-04-27 Eric Christopher <echristo@apple.com>
6558 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6559 with #ifndef/#endif.
6560 * config/darwin-c.c (darwin_ms_struct): New.
6561 (darwin_pragma_ms_struct): Ditto.
6562 (darwin_set_default_type_attributes): Ditto.
6563 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6564 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6565 Register ms_struct pragma.
6566 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6567 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6568 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6569 darwin_set_default_type_attributes if TARGET_MACHO.
6571 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6573 PR tree-optimization/26854
6574 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6575 * doc/tree-ssa.texi: Update immuse iterator documentation.
6576 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6577 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6578 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6579 first_safe_imm_use, next_safe_imm_use): Remove.
6580 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6581 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6582 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6583 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6584 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6585 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6586 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6587 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6588 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6589 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6590 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6591 (perfect_nestify): Use new iterator.
6592 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6594 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6595 (next_imm_name): New field in struct immediate_use_iterator_d.
6596 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6597 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6598 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6599 * tree-cfg.c (replace_uses_by): Use new iterator.
6600 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6601 * tree-ssa-operands.c (correct_use_link): Remove.
6602 (finalize_ssa_use_ops): No longer call correct_use_link.
6604 2006-04-27 Stuart Hastings <stuart@apple.com>
6606 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6607 * config/t-darwin (crt3.o): Use it.
6608 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6609 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6610 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6611 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6612 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6615 2006-04-27 Roger Sayle <roger@eyesopen.com>
6617 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6618 size, force the intermediate into a new pseudo rather instead of
6619 performing both a bitwise AND and a bitwise IOR in memory.
6621 2006-04-27 Richard Guenther <rguenther@suse.de>
6623 PR rtl-optimization/26685
6624 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6625 this one "max-flow-memory-locations".
6627 2006-04-27 Richard Guenther <rguenther@suse.de>
6629 PR tree-optimization/25148
6630 * tree-vrp.c (compare_values): Remove code dealing with
6631 comparisons against type min/max value. Honour overflow
6632 and negative constants in code dealing with comparisons
6633 of plus and minus expressions.
6634 (value_inside_range): Use fold_binary with LE_EXPR and
6635 GE_EXPR rather than compare_values.
6637 2006-04-27 Dirk Mueller <dmueller@suse.de>
6639 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6642 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6644 * basic-block.h (safe_insert_insn_on_edge): Removed.
6645 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6647 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6648 Paolo Bonzini <bonzini@gnu.org>
6651 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6652 (simplify_and_const_int): Same.
6654 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6656 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6658 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6661 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6662 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6663 cgraph_global_info_ready.
6666 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6669 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6670 either decl or init is error_mark_node.
6673 * tree-flow.h (struct omp_region): Add sched_kind.
6674 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6675 instead of extracting omp for data.
6676 (expand_omp_for): Save extracted sched_kind.
6678 2006-04-25 Roger Sayle <roger@eyesopen.com>
6680 * expmed.c (store_bit_field): Also check whether the bitsize is
6681 valid for the machine's "insv" instruction before moving the
6682 target into a pseudo for use with the insv.
6683 * config/i386/predicates.md (const8_operand): New predicate.
6684 * config/i386/i386.md (extv, extzv, insv): Use the new
6685 const8_operand predicate where appropriate.
6687 2006-04-25 DJ Delorie <dj@redhat.com>
6689 * doc/install.texi (Specific): Clarify that this is not a list of
6690 supported hosts or targets.
6692 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6694 PR rtl-optimization/26725
6695 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6696 block's BB_DIRTY flag.
6698 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6700 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6703 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6704 to print an integer.
6706 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6708 * varasm.c (align_variable): New function.
6709 (get_block_for_decl): Apply align_variable to DECL before
6710 calculating section information.
6711 (assemble_variable): Split out alignment computation.
6713 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6715 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6718 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6720 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6721 MODE_PARTIAL_INT mode.
6722 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6723 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6725 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6726 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6728 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6730 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6732 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6733 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6734 MACFLAG_IH): Likewise.
6735 (movstricthi_1): Renamed from "*movstricthi".
6736 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6737 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6738 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6739 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6740 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6741 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6742 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6743 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6744 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6745 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6746 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6747 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6748 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6749 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6750 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6752 * doc/rtl.texi (ss_ashift): Improve wording.
6754 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6756 * dwarf2out.c (verify_marks_clear): New.
6757 (prune_unused_types): Call verify_marks_clear initially, not
6760 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6762 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6763 * doc/rtl.texi: Document them.
6764 * simplify-rtx.c (simplify_unary_operation,
6765 simplify_binary_operation_1): Don't abort when we see them.
6767 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6770 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6771 * configure.ac: Completely disregard languages that are not
6773 * configure: Regenerated.
6775 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6776 Richard Guenther <rguenther@suse.de>
6778 PR tree-optimization/27236
6779 * tree-inline.c (copy_body_r): Make sure to copy
6780 TREE_THIS_VOLATILE flag.
6782 2006-04-24 Richard Guenther <rguenther@suse.de>
6785 * tree-complex.c (update_parameter_components): Don't handle
6786 unused parameters which have no default def.
6788 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6789 Richard Guenther <rguenther@suse.de>
6791 PR tree-optimization/27218
6792 * tree-inline.c (expand_call_inline): Strip useless type
6793 conversions for the return slot address.
6795 2006-04-24 Richard Guenther <rguenther@suse.de>
6797 * cfgloop.h (struct loops): Remove unused field array. Reorder
6799 (LOOP_PREFETCH): Remove.
6801 2006-04-24 Richard Guenther <rguenther@suse.de>
6803 PR tree-optimization/22525
6804 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6805 variable, adjust types of generated expressions.
6807 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6809 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6810 (tree-vect-patterns.o): Likewise.
6812 (cselib.o): Likewise.
6813 (loop-doloop.o): Likewise.
6814 (regclass.o): Likewise.
6815 (reload1.o): Likewise.
6816 (explow.o): Replace target.h with $(TARGET_H).
6817 (ipa-prop.o): Likewise.
6818 (ipa-cp.o): Likewise.
6819 (ipa-inline.o): Likewise.
6820 (reorg.o): Likewise.
6821 (reg-stack.o): Likewise.
6823 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6825 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6827 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6829 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6831 * configure.ac: Completely disregard languages that are not
6833 * configure: Regenerated.
6836 * c-common.h (c_build_bitfield_integer_type): Declare.
6837 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6838 * c-common.c (c_build_bitfield_integer_type): ... here.
6840 2006-04-23 Roger Sayle <roger@eyesopen.com>
6843 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6844 a SImode SUBREG of a floating point register after no_new_pseudos.
6846 2006-04-23 Roger Sayle <roger@eyesopen.com>
6848 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6849 identify potentially eliminable registers to additionally catch
6850 VIRTUAL_INCOMING_ARGS_REGNUM.
6851 (addsi3): Update the conditions on when to use addsi_small_int.
6853 2006-04-23 Roger Sayle <roger@eyesopen.com>
6856 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6857 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6858 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6860 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6862 * fold-const.c (range_predecessor): Use operand_equal_p
6863 as the predicate for equality.
6864 (range_successor): Likewise.
6866 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6869 * config/soft-fp/op-common.h: Fix a typo.
6871 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6874 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6875 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6877 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6879 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6881 * doc/tm.texi: Fix a typo.
6883 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6885 * dwarf2out.c (struct die_struct): Document that die_sib makes
6886 a circular linked list.
6887 (FOR_EACH_CHILD): New.
6888 (reverse_die_lists): Delete.
6889 (reverse_all_dies): Delete.
6890 (add_dwarf_attr): Correct documentation.
6891 (remove_child_with_prev): New.
6892 (remove_child_TAG): Update for change to die_struct, use
6893 remove_child_with_prev.
6894 (add_child_die): Update for change to die_struct.
6895 (splice_child_die): Use remove_child_with_prev and add_child_die.
6896 (print_die): Use FOR_EACH_CHILD.
6897 (die_checksum): Likewise.
6898 (assign_symbol_names): Likewise.
6899 (output_location_lists): Likewise.
6900 (build_abbrev_table): Likewise.
6901 (calc_die_sizes): Likewise.
6902 (mark_dies): Likewise.
6903 (unmark_dies): Likewise.
6904 (unmark_all_dies): Likewise.
6905 (output_die): Likewise.
6906 (prune_unused_types_mark): Likewise.
6907 (prune_unused_types_walk): Likewise.
6908 (same_die_p): Update for change to die_struct.
6909 (break_out_includes): Likewise.
6910 (prune_unused_types_prune): Likewise.
6911 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6912 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6914 (dwarf2out_finish): Don't call reverse_all_dies.
6916 2006-04-21 Eric Christopher <echristo@apple.com>
6918 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6919 in comments and function names.
6921 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6924 * c-typeck.c (digest_init): Robustify.
6926 * c-typeck.c (pop_init_level): Simplify.
6928 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6930 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6932 2006-04-21 Paul Brook <paul@codesourcery.com>
6934 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6935 hardware floating point.
6937 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6939 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6942 2006-04-21 Nick Clifton <nickc@redhat.com>
6944 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6947 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6950 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6951 C++ lang type in traceback table for Objective-C++.
6953 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6955 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6957 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6959 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6962 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6963 were errors. Remove check for erroneous objects.
6965 2006-04-20 Jeff Law <law@redhat.com>
6967 PR tree-optimization/26854
6968 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6969 checking for zero or one use.
6970 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6971 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6972 * tree-ssa-reassoc.c (negate_value): Similarly.
6973 (reassociate_bb): Similarly.
6975 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6977 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6978 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6979 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6981 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6983 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6984 fp regs if the last fp arg doesn't fit in regs.
6986 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6989 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6990 that the last insn has the REG_INC note.
6992 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6993 Nathan Sidwell <nathan@codesourcery.com>
6996 * stor-layout.c (update_alignment_for_field): Do not align
6998 (place_union_field): Place union field at the start of the union.
6999 (place_field): Move ERROR_MARK check later, and use the current
7000 allocation position to maintain monotonicity.
7002 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7004 * dominance.c: Include timevar.h.
7005 (calculate_dominance_info): Use TV_DOMINANCE.
7006 * timevar.def (TV_DOMINANCE): New timevar.
7007 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7009 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7011 PR rtl-optimization/14261
7012 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7013 move would be an INSV insn.
7014 (noce_process_if_block): Don't optimize if the destination is a
7015 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7017 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7019 * config/s390/s390.md: Add comments with the instructions emitted
7020 by an insn pattern if macros are used.
7022 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7024 PR rtl-optimization/26026
7025 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7026 is a known power of two shifted left a variable amount.
7028 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7030 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7031 to hash table twice when the debug_str section has SECTION_MERGE.
7033 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7035 * config/soft-fp: New directory. From glibc.
7036 * config/soft-fp/t-softfp: New.
7037 * config/soft-fp/README: New.
7038 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7039 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7040 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7041 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7042 * config.gcc: Use rs6000/t-fprules-fpbit or
7043 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7045 * config/rs6000/sfp-machine.h: New. Based on glibc.
7046 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7048 * config/rs6000/t-fprules: Remove fp-bit rules.
7049 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7050 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7051 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7052 (softfp_wrap_start, softfp_wrap_end): New.
7054 2006-04-18 DJ Delorie <dj@redhat.com>
7056 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7058 2006-04-18 Devang Patel <dpatel@apple.com>
7060 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7062 2006-04-18 Nick Clifton <nickc@redhat.com>
7064 * config/sh/t-symbian: Add rule to build sh-c.o
7065 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7066 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7067 (sh_symbian_encode_section_info): Likewise.
7069 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7071 * builtins.c (expand_builtin_strcmp): Cover label definition of
7072 do_libcall with HAVE_cmpstrnsi.
7074 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7076 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7078 * function.h (temp_slot_p): New.
7079 (function): Change the type of x_used_temp_slots to
7080 VEC(temp_slot_p,gc) *.
7082 2006-04-18 Nick Clifton <nickc@redhat.com>
7084 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7085 flag_strength_reduce.
7087 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7089 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7093 Partial revert of revision 112637
7094 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7095 Dale Johannesen <dalej@apple.com>
7098 * regclass.c (struct reg_pref): Update documentation.
7099 (regclass): Set prefclass to NO_REGS if memory is the best option.
7100 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7102 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7104 PR tree-optimization/26821
7105 * tree-ssa-math-opts.c (get_constant_one): New.
7106 (insert_reciprocals): Use it.
7108 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7110 * dwarf2out.c (free_AT): Delete.
7111 (remove_AT): Update string ref counts.
7112 (remove_child_TAG): Don't call free_die.
7114 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7115 or DW_TAG_GNU_EINCL.
7116 (prune_unused_types_walk_attribs): Reset string refcounts.
7117 (prune_unused_types_update_strings): New.
7118 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7119 call free_die. Do call prune_unused_types_update_strings.
7120 (prune_unused_types): Empty debug_str_hash.
7122 2006-04-17 Roger Sayle <roger@eyesopen.com>
7124 * expr.c (expand_assignment): Optimize away no-op moves where the
7125 source and destination are equal and have no side-effects.
7127 2006-04-17 Richard Guenther <rguenther@suse.de>
7130 * reload.c (push_reload): Guard calls to get_secondary_mem
7133 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7135 * alias.c (reg_base_value, old_reg_base_value): Change the
7136 type to VEC(rtx,gc) *.
7137 (REG_BASE_VALUE, find_base_value, record_set,
7138 init_alias_analysis): Use VEC instead of VARRAY.
7140 * alias.c (alias_sets): Change the type to
7141 VEC(alias_set_entry,gc) *.
7142 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7143 VEC instead of VARRAY.
7144 (last_alias_set): Remove.
7146 * cgraph.h (cgraph_edge_p): New.
7147 Update the prototype of cgraph_function_versioning.
7148 * cgraphunit.c (cgraph_copy_node_for_versioning,
7149 cgraph_function_versioning): Use VEC instead of VARRAY.
7150 * ipa-cp.c (ipcp_insert_stage): Likewise.
7152 2006-04-16 Roger Sayle <roger@eyesopen.com>
7155 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7156 "A op B" or "A op C", we may need to convert A to the type of B and C.
7158 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7160 * target.h (struct gcc_target): Add mode_rep_extended.
7161 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7162 (init_num_sign_bit_copies_in_rep): Initialize it using
7164 (truncate_to_mode): Use it.
7165 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7166 * targhooks.h (default_mode_rep_extended): Declare it.
7167 * targhooks.c (default_mode_rep_extended): Define it.
7168 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7169 default_mode_rep_extended.
7170 (TARGET_INITIALIZER): Include it.
7171 * doc/tm.texi (Misc): Document it.
7172 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7173 (mips_truncated_to_mode): New function.
7175 2006-04-16 Roger Sayle <roger@eyesopen.com>
7178 * expr.c (compress_float_constant): Copy the narrow constant into
7179 a new pseudo before extending it to its final width.
7181 2006-04-16 Roger Sayle <roger@eyesopen.com>
7182 Andrew Pinski <pinskia@gcc.gnu.org>
7183 Dale Johannesen <dalej@apple.com>
7186 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7187 special case code to implement V8HImode and V16QImode with SSE2.
7189 2006-04-15 Roger Sayle <roger@eyesopen.com>
7191 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7192 trees are constructed with a suitable tree type.
7194 2006-04-15 Roger Sayle <roger@eyesopen.com>
7196 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7197 (integer_onep): Likewise.
7198 (integer_all_onesp): Likewise.
7199 (integer_pow2p): Likewise.
7200 (integer_nonzerop): Likewise.
7201 (real_zerop): Likewise.
7202 (real_onep): Likewise.
7203 (real_twop): Likewise.
7204 (real_minus_onep): Likewise.
7205 (int_size_in_bytes): Likewise.
7206 (host_integerp): Likewise.
7208 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7210 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7211 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7212 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7214 * tree-ssa-structalias.h (alias_info): Remove num_references.
7216 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7218 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7219 (output_bvb patterns): Likewise.
7220 * pa.c (output_bb): Use 'bb' insn for long branch case.
7221 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7222 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7223 1. Correct length operand for alternatives 1 and 2.
7224 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7225 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7227 2006-04-14 Roger Sayle <roger@eyesopen.com>
7229 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7230 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7231 were accidentally reverted by r112959.
7233 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7236 * except.h (eh_region_outermost): New prototype.
7237 * except.c (eh_region_outermost): New function.
7238 * tree-cfg.c (find_outermost_region_in_block): Use it.
7240 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7242 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7244 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7245 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7246 (init_reload, reload): Use VEC instead of VARRAY.
7247 * reload.h: Update the prototype for
7248 reg_equiv_memory_loc_varray.
7250 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7251 Eric Botcazou <ebotcazou@libertysurf.fr>
7253 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7256 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7259 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7260 to expand fallback builtin function call.
7262 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7265 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7266 and emit libcall here in case the builtin fails.
7267 (expand_builtin_strcmp): Always emit the libcall here on failure.
7269 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7271 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7272 * flow.c (reg_n_info): Change the type to
7273 VEC(reg_info_p,heap) *.
7274 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7276 * regs.h (reg_info_p): New.
7277 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7278 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7279 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7282 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7284 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7286 * params.h (MAX_SCHED_READY_INSNS): New macro.
7287 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7288 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7289 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7290 the ready list for 1 cycle during the first scheduling pass.
7291 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7293 2006-04-13 Richard Henderson <rth@redhat.com>
7296 * gimple-low.c (lower_omp_directive): Remove dead code.
7297 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7298 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7299 * omp-low.c (struct omp_region): Move to tree-flow.h.
7300 (root_omp_region): Export.
7301 (omp_regions, lookup_omp_region): Remove.
7302 (determine_parallel_type): Update for struct omp_region changes.
7303 (dump_omp_region): Dump regions with block numbers.
7304 (new_omp_region): Take type and block instead of stmt; malloc
7306 (free_omp_region_1, free_omp_regions): New.
7307 (expand_parallel_call): Take entry_stmt as argument; update for
7308 changes to omp_region.
7309 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7310 (remove_exit_barriers): New.
7311 (expand_omp_parallel): Update for struct omp_region changes.
7312 (expand_omp_synch): Likewise.
7313 (expand_omp): Likewise.
7314 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7315 (expand_omp_for_static_chunk): Likewise.
7316 (expand_omp_for): Likewise.
7317 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7318 (expand_omp_sections): Similarly, with GOMP_sections_end.
7319 (expand_omp_single): New.
7320 (build_omp_regions_1): Update for OMP_CONTINUE.
7321 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7322 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7323 OMP_SECTIONS_SECTIONS.
7324 (lower_omp_single_simple): Don't emit barrier here.
7325 (lower_omp_single_copy): Likewise.
7326 (lower_omp_single): Fix bindings, and lower to straightline now.
7327 (lower_omp_master, lower_omp_ordered): Likewise.
7328 (lower_omp_critical): Likewise.
7329 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7330 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7331 omp edges, free it afterward.
7332 (make_omp_sections_edges): Remove.
7333 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7334 (move_stmt_r): Handle OMP_CONTINUE.
7335 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7336 statement pointers to basic blocks. Add type member.
7337 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7338 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7339 * tree-inline.c (estimate_num_insns_1): Likewise.
7340 * tree-pretty-print.c (dump_generic_node): Likewise.
7341 * tree-ssa-operands.c (get_expr_operands): Likewise.
7342 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7343 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7344 (OMP_CONTINUE): New.
7345 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7346 (OMP_SECTIONS_SECTIONS): Remove.
7347 (OMP_SECTION_LAST): New.
7348 (OMP_RETURN_NOWAIT): New.
7350 2006-04-13 Roger Sayle <roger@eyesopen.com>
7352 * fold-const.c (native_encode_vector, native_interpret_real):
7353 Correct obvious mistakes in the previous check-in.
7355 2006-04-13 Roger Sayle <roger@eyesopen.com>
7357 * fold-const.c (native_encode_expr): New function to encode
7358 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7359 or VECTOR_CST into a specified buffer.
7360 (native_encode_int): New function.
7361 (native_encode_real): New function.
7362 (native_encode_complex): New function.
7363 (native_encode_vector): New function.
7364 (native_interpret_expr): Inverse of native_encode_expr to convert
7365 a target representation into an INTEGER_CST, REAL_CST etc...
7366 (native_interpret_int): New function.
7367 (native_interpret_real): New function.
7368 (native_interpret_complex): New function.
7369 (native_interpret_vector): New function.
7370 (fold_view_convert_expr): New function to constant fold/evaluate
7371 a VIEW_CONVERT_EXPR of a suitable constant expression.
7372 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7373 Change call of build1 to fold_build1 when constructing a
7376 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7377 Ulrich Weigand <uweigand@de.ibm.com>
7380 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7383 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7386 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7387 optimize to lo_sum for DFmode if !TARGET_FPRS.
7389 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7391 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7392 delete_alias_info, compute_flow_sensitive_aliasing,
7393 group_aliases): Use VEC instead of VARRAY.
7394 * tree-ssa-structalias.c (update_alias_info): Likewise.
7395 * tree-ssa-structalias.h (alias_info): Change the type of
7396 processed_ptrs to VEC(tree,heap) *.
7398 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7401 * config/sh/lib1funcs.h: New file, broken out of:
7402 * config/sh/lib1funcs.asm.
7403 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7405 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7406 * config/sh/lib1funcs-Os-4-200.asm: New file.
7407 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7408 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7409 (EXTRA_MULTILIB_PARTS): Include it.
7410 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7411 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7412 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7413 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7416 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7418 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7419 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7420 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7422 * tree-ssa-live.h: Include vecprim.h.
7423 (tree_partition_associator_d): Change the type of
7424 first_partition to VEC(int,heap) *.
7425 (tpa_first_partition): Use VEC instead of VARRAY.
7427 * Makefile.in (GTFILES): Move functions.h after tree.h.
7428 * function.c (reset_block_changes, record_block_change,
7429 check_block_change, free_block_changes): Use VEC instead of
7431 * function.h (function): Change the type of
7432 ib_boundaries_block to VEC(tree,gc) *.
7433 * tree-inline.c (copy_cfg_body): Initialize
7434 ib_boundaries_block to NULL instead of (varray_type) 0.
7436 2006-04-12 Roger Sayle <roger@eyesopen.com>
7438 * expr.c (emit_group_store): Correct operand order in call to
7439 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7440 a SUBREG_BYTE of zero.
7442 2006-04-12 Richard Guenther <rguenther@suse.de>
7444 * profile.c (compute_branch_probabilities): Remove code
7445 encapsulated in !ir_type (), which are remanents of the
7446 removed RTL profiling code.
7447 * rtl-profile.c: Remove.
7449 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7451 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7452 magic NULL_RTX comment.
7453 (function_arg): Store entire fp arg to mem if any part should go
7455 (rs6000_arg_partial_bytes): Adjust for above change.
7457 2006-04-11 Roger Sayle <roger@eyesopen.com>
7459 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7460 if it hasn't been initialized by dwarf2out_init.
7462 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7464 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7465 symbolic constants in branch patterns.
7467 2006-04-11 Roger Sayle <roger@eyesopen.com>
7469 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7471 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7473 PR rtl-optimization/27073
7474 * gcse.c (try_replace_reg): Revert last change. Continue to search
7475 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7478 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7480 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7481 aggregate types other than record and union types.
7482 (function_arg): Likewise.
7483 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7485 (function_value): In 64-bit mode, return objects that require it
7488 2006-04-11 Roger Sayle <roger@eyesopen.com>
7490 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7492 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7494 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7496 2006-04-03 Jeff Law <law@redhat.com>
7499 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7500 alias information too.
7502 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7504 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7506 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7509 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7510 (premark_used_types_helper): New.
7511 (premark_used_types): New.
7512 (gen_subprogram_die): Call premark_used_types.
7513 (prune_unused_types_walk): Do not prune perennial dies.
7514 * function.c (used_types_insert): New.
7515 * function.h (struct function): Add used_types_hash field.
7516 (used_types_insert): Add prototype.
7517 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7518 * c-parser.c (c_parser_cast_expression): Save casted types in used
7521 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7524 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7525 rs6000_explicit_options.float_gprs.
7527 2006-04-10 Roger Sayle <roger@eyesopen.com>
7529 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7530 from ix86_expand_vector_init_low_nonzero. Take an additional
7531 one_var argument indicating which element is non-zero. Support
7532 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7533 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7534 with one_var instead of ix86_expand_vector_init_low_nonzero.
7536 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7538 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7539 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7540 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7541 build/genextract.o): Depend on vecprim.h.
7542 * cfglayout.c, df-problems.c, function.c, genextract.c,
7543 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7544 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7548 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7550 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7551 Declare VECs of this type.
7552 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7553 (remove_children): Delete.
7554 (add_dwarf_attr): Use VEC routines.
7555 (add_AT_flag): Update for changes to add_dwarf_attr.
7556 (add_AT_int): Likewise.
7557 (add_AT_unsigned): Likewise.
7558 (add_AT_long_long): Likewise.
7559 (add_AT_vec): Likewise.
7560 (add_AT_string): Likewise.
7561 (add_AT_die_ref): Likewise.
7562 (add_AT_fde_ref): Likewise.
7563 (add_AT_loc): Likewise.
7564 (add_AT_loc_list): Likewise.
7565 (add_AT_addr): Likewise.
7566 (add_AT_lbl_id): Likewise.
7567 (add_AT_lineptr): Likewise.
7568 (add_AT_macptr): Likewise.
7569 (add_AT_offset): Likewise.
7570 (add_AT_range_list): Likewise.
7571 (get_AT): Use VEC_iterate.
7572 (remove_AT): Use VEC_ordered_remove.
7573 (free_die): Fold remove_children into here; have it use VEC_iterate.
7574 (print_die): Use VEC_iterate on attrs.
7575 (reverse_die_lists): Don't reverse attr lists.
7576 (die_checksum): Use VEC_iterate on attrs.
7577 (same_die_p): Likewise.
7578 (output_location_lists): Likewise.
7579 (build_abbrev_table): Likewise.
7580 (size_of_die): Likewise.
7581 (unmark_all_dies): Likewise.
7582 (output_abbrev_section): Likewise.
7583 (output_die): Likewise.
7584 (prune_unused_types_walk_attribs): Likewise.
7586 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7588 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7590 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7593 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7595 2006-04-09 Roger Sayle <roger@eyesopen.com>
7597 * expr.c (store_constructor): Don't bother clearing target if
7598 we're about to assign a vector to it using vec_init_optab.
7600 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7602 * tree-ssa-alias.c (lhs_may_store_to): New function.
7603 (recalculate_used_alone): Handle LHS of calls.
7605 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7609 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7610 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7611 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7612 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7613 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7614 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7615 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7616 stubs. Add ".align 8" directives before all ".dword" directives.
7617 (GTHREAD_USE_WEAK): Revise comment.
7618 (TARGET_ATTRIBUTE_WEAK): Define.
7619 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7620 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7621 * stublib.c: New file.
7626 * pa.md (cbranch patterns): Revise arguments used in calls to
7627 output_cbranch, output_bb and output_bvd. Add long branch length
7629 (fbranch patterns): Handle long branches.
7630 (jump): Revise length check. Revise arguments for output_lbranch call.
7631 Add long branch length attributes.
7632 (decrement_and_branch_until_zero): Add long branch length attributes.
7633 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7634 Likewise. Revise arguments for output_parallel_addb and
7635 output_parallel_movb calls.
7636 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7637 output_parallel_movb and output_parallel_addb): Update prototypes.
7638 * pa.c (output_cbranch): Revise arguments. Correct handling of
7639 nullification in long branches.
7640 (output_lbranch): Add new argument to control extraction of delay
7642 (output_bb): Handle long branches.
7643 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7644 output_parallel_addb): Likewise.
7646 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7648 PR rtl-optimization/27073
7649 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7652 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7654 * tree.h (tree_memory_tag): Add old_used_alone.
7655 (SMT_OLD_USED_ALONE): New macro.
7656 * tree-ssa-alias.c (recalculate_used_alone): Stop
7657 marking things for renaming unnecessarily.
7659 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7661 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7662 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7663 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7664 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7665 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7666 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7667 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7668 spelling convensions.
7669 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7670 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7671 typos. Follow spelling conventions.
7673 2006-04-07 DJ Delorie <dj@redhat.com>
7675 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7676 passed on the stack.
7677 (m32c_init_cumulative_args): When a function returns a structure,
7678 always pass the pointer to that return area on the stack.
7679 (m32c_function_arg_advance): Don't increment the parameter number
7680 if we're processing the returned structure pointer.
7681 (pushm_info): Reverse order of registers.
7683 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7685 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7686 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7687 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7688 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7690 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7691 chrec_fold_multiply): Same.
7692 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7693 force_expr_to_var_cost): Same.
7694 * tree-mudflap.c (mf_xform_derefs_1): Same.
7695 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7697 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7699 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7700 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7703 2006-04-07 Jan Hubicka <jh@suse.cz>
7705 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7707 2006-04-07 Richard Guenther <rguenther@suse.de>
7709 PR tree-optimization/26135
7710 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7711 loads for store copy-prop.
7712 (copy_prop_visit_stmt): Likewise.
7714 2006-04-05 Robert Millan <robertmh@gnu.org>
7716 * config/i386/linux.h: Add a comment to mark macros that are
7717 being overriden in config/k*bsd-gnu.h.
7718 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7720 * config/knetbsd-gnu.h: Ditto.
7722 2006-04-06 Jan Hubicka <jh@suse.cz>
7726 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7729 2006-04-06 Mike Stump <mrs@apple.com>
7731 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7732 for HAVE_nonlocal_goto to be consistent.
7733 (expand_builtin_nonlocal_goto): Likewise.
7734 (expand_builtin_strcmp): Use #ifdef instead of #if
7735 for HAVE_cmpstrnsi to be consistent.
7737 2006-04-05 DJ Delorie <dj@redhat.com>
7739 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7742 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7744 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7745 got-relative addressing for anything but SImode.
7747 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7748 even if the calling function doesn't modify them.
7750 2006-04-05 Richard Guenther <rguenther@suse.de>
7752 PR tree-optimization/26919
7753 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7754 to cgraph_estimate_size_after_inlining.
7756 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7758 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7760 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7762 PR tree-optimization/26996
7763 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7764 VECTOR_TYPE variables.
7766 2006-04-05 Richard Guenther <rguenther@suse.de>
7768 PR tree-optimization/26763
7769 * fold-const.c (fold_comparison): Move folding of
7770 PTR + CST CMP PTR + CST ...
7771 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7773 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7775 * doc/install.texi (Prerequisites): Refine some wording on
7776 bootstrapping and ksh.
7777 Move the version numbers of DejaGnu here from the testing section
7778 and fix casing of names.
7779 Fix markup and clarify wording for autogen requirements.
7780 Refer to GCJ instead of just java.
7781 Refer to SVN instead of CVS.
7782 Describe diffutils as useful instead of necessary.
7783 (Downloading the source): Refer to SVN instead of CVS.
7784 Adjust a link to our web site accordingly.
7785 (Configuration): Fix casing of Bison.
7786 (Building): Refer to SVN instead of CVS.
7787 Fix a sentence on the use of Bison and remove duplicate (and
7788 incorrect) version number of Bison requirement.
7789 Remove one redundant list of packages needed for building.
7790 (Specific): Avoid reference to CVS.
7792 2006-04-04 Eric Christopher <echristo@apple.com>
7794 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7795 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7796 (rs6000_handle_struct_attribute): New.
7797 (rs6000_ms_bitfield_layout_p): Ditto.
7799 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7801 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7802 NULL for dso parameter to atexit_common.
7804 2006-04-04 Eric Christopher <echristo@apple.com>
7806 * config/i386/i386.c (machopic_output_stub): Output \t
7807 between instructions and operands.
7809 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7811 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7812 satisfies_constraint_[IL] to explicit tests on value.
7814 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7816 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7817 set_nb_iterations_in_loop): Use build_int_cst instead of
7819 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7820 build_int_cst instead of convert.
7822 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7824 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7825 new value 2 for incoming.
7826 * function.c (expand_function_start): Call struct_value_rtx
7828 * config/sparc/sparc.md: Comment updated_return.
7829 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7830 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7831 struct return if sparc_std_struct_return and incoming is 2.
7832 (print_operand): Do not adjust return if
7833 sparc_std_struct_return.
7835 2006-04-04 Roger Sayle <roger@eyesopen.com>
7837 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7838 convert in the middle-end.
7839 * expr.c (store_expr, store_constructor, get_inner_reference,
7840 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7842 * tree.c (build_range_type): Likewise.
7844 2006-04-04 Tom Tromey <tromey@redhat.com>
7846 * doc/install.texi (Prerequisites): Mention jar.
7848 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7850 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7853 2006-04-04 Matthias Klose <doko@debian.org>
7855 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7859 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7862 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7864 * doc/extend.texi (Function Attributes): Rewrite visibility
7865 attribute documentation.
7866 * doc/invoke.texi (C++ Dialect Options): Rewrite
7867 -fvisibility-inlines-hidden documentation to describe something
7868 entirely different, although in practise compatible.
7869 (Code Gen Options): Warn about system headers in -fvisibility=
7872 * doc/extend.texi (Other Builtins): Document that
7873 __builtin_nan is a compile-time constant only when its argument
7876 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7878 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7879 trying to remove TRUNCATE check if all bits outside the new mode
7880 are identical to the sign bit.
7882 2006-04-03 Jeff Law <law@redhat.com>
7884 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7885 and operand scanning in some common cases.
7887 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7888 Dale Johannesen <dalej@apple.com>
7891 * regclass.c (struct reg_pref): Update documentation.
7892 (regclass): Set prefclass to NO_REGS if memory is the best option.
7893 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7894 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7895 into account. For non-registers, equate an empty preferred
7896 reload class to a `!' in the constraint; move the if clause to
7897 do so after those that reject the insn.
7898 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7900 (find_dummy_reload): Likewise.
7901 * doc/tm.texi (Register Classes): Document what it means
7902 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7903 * config/i386/i386.c (ix86_preferred_reload_class): Force
7904 using SSE registers (and return NO_REGS for floating-point
7905 constants) if math is done with SSE.
7906 (ix86_preferred_output_reload_class): New.
7907 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7908 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7909 * config/i386/i386.md: Remove # register preferences.
7911 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7914 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7915 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7916 the type of nb_iter.
7917 (instantiate_parameters_1): Convert the operands before calling
7918 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7919 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7921 2006-04-02 Roger Sayle <roger@eyesopen.com>
7923 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7924 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7926 * dojump.c (do_jump): Likewise.
7927 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7928 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7929 gimplify_boolean_expr): Likewise.
7930 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7931 * varasm.c (array_size_for_constructor): Likewise.
7932 * tree-object-size.c (compute_object_offset): Likewise.
7934 2006-04-02 Roger Sayle <roger@eyesopen.com>
7937 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7938 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7940 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7942 PR tree-optimization/26939
7943 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7945 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7947 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7948 at_stmt. Convert the type of operands before calling
7949 build_polynomial_chrec.
7950 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7952 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7953 (instantiate_parameters_1): Convert the type of operands before calling
7954 build_polynomial_chrec.
7955 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7956 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7957 reset_evolution_in_loop): Insert asserts to check the types of the
7959 (chrec_type): Moved...
7960 (eq_evolutions_p): Use operand_equal_p.
7961 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7962 the types of the operands.
7963 (chrec_type): ...here.
7964 * tree-data-ref.c (create_data_ref): Convert the operands before
7965 calling chrec_replace_initial_condition.
7966 (same_access_functions, analyze_subscript_affine_affine,
7967 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7968 (compute_subscript_distance, analyze_ziv_subscript,
7969 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7970 analyze_miv_subscript): Convert the operands before calling
7971 chrec_fold_minus or chrec_fold_plus.
7973 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7975 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7976 the dependence_relations vector.
7977 (compute_data_dependences_for_loop): Adjust call to
7978 compute_all_dependences.
7980 2006-04-01 Roger Sayle <roger@eyesopen.com>
7981 Richard Henderson <rth@redhat.com>
7983 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7984 gimple_boolify on the condition before calling gimplify_expr.
7986 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7988 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7989 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7990 the frame size. Update to use the new macros.
7991 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7992 * config/xtensa/ieee754-df.S: Likewise.
7994 2006-03-31 Richard Henderson <rth@redhat.com>
7996 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7997 (make_edges): ... here. Control fallthru creation with a local
7998 variable. Do not play with fake edges.
7999 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8000 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8003 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8005 * dwarf2.h (DW64_CIE_ID): Define.
8006 * dwarf2out.c (DWARF_CIE_ID): Define.
8007 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8008 length header. Use DWARF_CIE_ID.
8009 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8010 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8012 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8014 * config/sh/linux-atomic.asm: New file.
8015 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8017 2006-03-31 DJ Delorie <dj@redhat.com>
8019 * config/m32c/cond.md: Set condition flags properly throughout.
8020 * config/m32c/minmax.md: Likewise.
8021 * config/m32c/prologue.md: Likewise.
8022 * config/m32c/bitops.md: Likewise.
8023 * config/m32c/muldiv.md: Likewise.
8024 * config/m32c/mov.md: Likewise.
8025 * config/m32c/addsub.md: Likewise.
8026 * config/m32c/m32c.md: Likewise.
8027 * config/m32c/jump.md: Likewise.
8028 * config/m32c/shift.md: Likewise.
8030 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8031 conditionally output the pattern for this.
8032 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8033 (m32c_compare_redundant): New.
8034 (m32c_output_compare): New.
8035 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8037 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8038 dest, not src. Allow other 4-byte modes.
8040 2006-03-30 Denis Chertykov <denisc@overta.ru>
8042 * doc/md.texi: Refer to avr/constraints.md instead of
8045 2006-03-30 Roger Sayle <roger@eyesopen.com>
8047 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8048 signed vs. unsigned comparison failures on some hosts.
8050 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8053 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8054 change to FLOAT_REGS.
8056 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8057 (rs6000_override_options): Use it.
8058 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8059 only for -mabi=spe/no-spe and -mabi=altivec.
8061 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8063 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8066 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8068 * Makefile.in: Rename docdir to gcc_docdir.
8070 2006-03-30 Roger Sayle <roger@eyesopen.com>
8073 * expr.c (emit_group_store): Optimize group stores into a pseudo
8074 register by using a paradoxical subreg to initialize the destination
8075 if the first or last member of the group specifies a "low part".
8077 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8080 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8081 * target.h (struct gcc_target.speculate_insn): Change type of the
8082 second parameter to 'int'.
8083 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8084 the second operand of the DEPS_LIST.
8085 (copy_DEPS_LIST_list): Update reference to the second operand of the
8087 * rtl.h (alloc_DEPS_LIST): Update signature.
8088 * sched-int.h (ds_t): Change typedef to 'int'.
8089 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8091 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8093 * haifa-sched.c (try_ready): Change condition to restore
8094 non-speculative pattern of the instruction.
8095 (process_insn_depend_be_in_spec): Code to keep probability of the
8096 speculative dependence non-decreasing.
8098 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8100 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8101 (single_move_for_movmem): ... this. Also change all uses.
8102 (bfin_expand_strmov): Renamed to...
8103 (bfin_expand_movmem): ... this. Also change all uses.
8104 * config/bfin/bfin.md (movstrsi): Renamed to...
8105 (movstrsi): ...this.
8107 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8109 PR tree-optimization/26830
8111 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8112 (copy_prop_visit_stmt): Remove write-only variable ann.
8113 (init_copy_prop): Check variable loop depth here. Do not simulate
8114 memory-tag and virtual operand PHIs except for store copy prop.
8116 2006-03-30 Richard Guenther <rguenther@suse.de>
8118 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8119 variants with double arguments.
8121 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8123 * genpreds.c (write_tm_constrs_h): Delete variable p.
8124 * genconditions.c (write_header): Add tm-constrs.h to included
8126 * genpeep.c (main): Add toplev.h to included headers.
8127 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8128 (build/genpeep.o): Add toplev.h dependency.
8129 * config/rs6000/constraints.md: Add "W" constraint.
8131 2006-03-29 Roger Sayle <roger@eyesopen.com>
8133 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8134 sizes by correctly testing whether the size fits a host integer.
8135 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8136 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8137 SImode range for the default sizetype and bitsizetype.
8139 2006-03-29 Roger Sayle <roger@eyesopen.com>
8141 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8142 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8143 quickly if the argument is already of the correct type.
8144 Call fold_build1 instead of build1. Tidy up blank lines.
8146 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8148 * genemit.c (main): Add tm-constrs.h to included headers.
8149 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8150 * genpeep.c (main): Add tm-constrs.h to included headers.
8151 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8152 (write_tm_constrs_h): this and write complete file.
8153 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8154 (write_insn_preds_c): Add tm-constrs.h to included headers.
8155 (gen_constrs): New variable.
8156 (parse_option): Parse "-c".
8157 (main): Invoke write_tm_constrs_h.
8158 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8159 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8160 (object_out_file): Add tm-constrs.h dependency.
8161 (insn-emit.o): Same.
8162 (insn-output.o): Same.
8163 (insn-peep.o): Same.
8164 (insn-preds.o): Same.
8165 (insn-recog.o): Same.
8166 (tm-constsr.h): New target.
8167 (s-constrs-h): New target.
8169 * config/rs6000/constraints.md: New file.
8170 * config/rs6000/rs6000.c: Include tm-constrs.h.
8171 (num_insn_constant_wide): Convert to satisfies_constraint.
8172 (rs6000_rtx_costs): Convert to satisfies_constraint.
8173 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8174 (CONST_OK_FOR_LETTER_P): Delete.
8175 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8176 (EXTRA_CONSTRAINT): Delete.
8177 (EXTRA_MEMORY_CONSTRAINT): Delete.
8178 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8179 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8180 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8181 satisfies_constraint.
8183 * config/i386/i386.c: Include tm-constrs.h.
8185 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8187 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8188 * tree-data-ref.c (find_data_references_in_loop,
8189 compute_data_dependences_for_loop): Use pointers to VEC.
8190 (analyze_all_data_dependences): Adjust calls.
8191 * tree-data-ref.h (find_data_references_in_loop,
8192 compute_data_dependences_for_loop): Adjust declarations.
8193 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8194 compute_data_dependences_for_loop.
8196 2006-03-29 Paul Brook <paul@codesourcery.com>
8198 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8201 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8203 PR tree-optimization/26859
8204 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8206 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8207 for the step after fold_convert.
8209 2006-03-29 Paul Brook <paul@codesourcery.com>
8211 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8212 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8214 2006-03-29 Paul Brook <paul@codesourcery.com>
8217 * targhooks.c (default_narrow_bitfield): New fuction.
8218 * targhooks.h (default_narrow_bitfield): add prototype.
8219 * target.h (gcc_target): Add narrow_volatile_bitfield.
8220 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8221 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8222 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8223 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8225 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8227 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8229 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8230 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8231 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8232 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8233 (s390_function_arg_float): Allow SDmode and DDmode values to be
8234 passed in floating point registers.
8235 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8236 check with SCALAR_FLOAT_MODE_P.
8237 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8239 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8241 PR tree-optimization/25985
8242 * tree-ssa-loop-niter.c (number_of_iterations_le,
8243 number_of_iterations_ne): Make comments more precise.
8244 (number_of_iterations_cond): Add only_exit argument. Use the
8245 fact that signed variables do not overflow only when only_exit
8247 (loop_only_exit_p): New.
8248 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8249 number_of_iterations_cond.
8251 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8253 PR tree-optimization/26643
8254 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8257 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8259 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8260 (divsi3_i4_int): Likewise.
8262 2006-03-28 Roger Sayle <roger@eyesopen.com>
8264 * expr.c (emit_group_store): Only create a new pseudo reg if the
8265 quantity it needs to hold isn't already a suitable pseudo.
8267 2006-03-28 Jeff Law <law@redhat.com>
8269 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8270 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8272 2006-03-28 Roger Sayle <roger@eyesopen.com>
8274 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8275 the equivalent ~X & Y, and the symmetry related transformations.
8276 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8277 ~X & Y, and symmetry related transforms.
8279 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8281 Revert my 2006-03-27 patches.
8283 2006-03-28 Roger Sayle <roger@eyesopen.com>
8285 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8286 ~(T1)X, when T1 and T2 are integer types of the same precision
8287 and (T2)X isn't an extension.
8289 2006-03-28 Jeff Law <law@redhat.com>
8291 PR tree-optimization/26796
8292 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8293 need EH edge cleanups rather than purging them immediately.
8294 (eliminate_degenerate_phis): Handle queued EH cleanups.
8296 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8298 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8301 2006-03-27 Roger Sayle <roger@eyesopen.com>
8304 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8305 cast BIT_NOT_EXPR operand to the correct type.
8307 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8309 * tree-loop-linear.c: Don't include varray.h.
8310 (gather_interchange_stats, try_interchange_loops,
8311 linear_transform_loops): Use VEC instead of VARRAY.
8312 * lambda-mat.c: Don't include varray.h.
8313 * tree-chrec.c: Same.
8314 * lambda-trans.c: Same.
8315 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8316 VEC instead of VARRAY.
8317 * tree-vectorizer.h: Idem.
8318 * tree-data-ref.c (dump_data_references,
8319 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8320 initialize_data_dependence_relation, finalize_ddr_dependent,
8321 compute_all_dependences, find_data_references_in_loop,
8322 compute_data_dependences_for_loop, analyze_all_data_dependences,
8323 free_dependence_relation, free_dependence_relations,
8324 free_data_refs): Idem.
8325 * tree-data-ref.h (data_reference_p, subscript_p): New.
8326 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8327 VEC instead of VARRAY.
8328 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8329 (find_data_references_in_loop, compute_data_dependences_for_loop,
8330 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8331 dump_data_dependence_relations, free_dependence_relations,
8332 free_data_refs): Adjust declaration.
8333 (lambda_transform_legal_p): Move declaration here...
8334 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8335 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8336 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8337 vect_analyze_data_refs): Use VEC instead of VARRAY.
8338 * lambda.h (lambda_transform_legal_p): ...from here.
8339 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8340 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8341 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8342 tree-chrec.o): Don't depend on VARRAY_H.
8344 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8346 * rtl.def (Copyright): Update date.
8347 (DEPS_LIST): Change type of the second operand to 'int'.
8348 * target.h (Copyright): Update date.
8349 (struct gcc_target.speculate_insn): Change type of the second parameter
8351 * lists.c (Copyright): Update date.
8352 (alloc_DEPS_LIST): Change signature. Update reference to the second
8353 operand of the DEPS_LIST.
8354 (copy_DEPS_LIST_list): Update reference to the second operand of the
8356 * rtl.h (Copyright): Update date.
8357 (alloc_DEPS_LIST): Update signature.
8358 * sched-int.h (Copyright): Update date.
8359 (ds_t): Change typedef to 'int'.
8360 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8362 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8364 * haifa-sched.c (Copyright): Update date.
8365 (try_ready): Change condition to restore non-speculative pattern
8367 (process_insn_depend_be_in_spec): Code to keep probability of the
8368 speculative dependence non-decreasing.
8370 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8372 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8373 shut up the compiler.
8375 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8377 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8378 to use lib prefix for target.
8379 ($(T)libic_invalidate_array_4-200.a): Likewise.
8380 ($(T)libic_invalidate_array_4a.a): Likewise.
8382 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8383 J"orn Rennecke <joern.rennecke@st.com>
8385 * superh.opt: New file.
8386 * sh.c (boardtype, osruntime): Remove.
8387 * superh.h (SUBTARGET_OPTIONS): Remove.
8388 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8390 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8391 arguments with ^ and/or [].
8393 * config.gcc (sh-*-*): Add quoting to account for quirk of
8395 Replace == with = in enable_incomplete_targets test.
8397 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8398 with MASK_LITTLE_ENDIAN.
8400 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8401 * config/sh/sh.opt: Added to some comments.
8402 * config/sh/superh.h: Removed some chaff.
8404 * config/sh/sh.opt: Add m4-[1234]00* options.
8405 * config/sh/sh.c (sh_handle_option): Likewise.
8406 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8407 (ic_invalidate_array_4-100.o): New rule.
8408 ($(T)libic_invalidate_array_4-100.a): Likewise.
8409 (ic_invalidate_array_4-200.o): Likewise.
8410 ($(T)libic_invalidate_array_4-200.a): Likewise.
8411 (ic_invalidate_array_4a.o): Likewise.
8412 ($(T)libic_invalidate_array_4a.a): Likewise.
8413 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8414 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8416 * config/sh/crt1.asm: Merged in profiling code.
8417 * config/sh/superh.h (STARTFILE_SPEC): Override.
8418 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8419 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8420 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8422 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8423 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8424 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8426 * sh.opt (mpretend-cmove): New option.
8427 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8428 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8429 (movsicc): Add TARGET_PRETEND_CMOVE code.
8431 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8433 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8434 s390_class_max_nregs): New function prototypes.
8435 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8436 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8437 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8438 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8440 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8442 * dwarf2out.c (add_location_or_const_value_attribute): Call
8443 tree_add_const_value_attribute if nothing else works.
8444 (reference_to_unused): New.
8445 (rtl_for_decl_init): Use reference_to_unused to decide whether
8446 to output an initializer.
8448 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8451 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8452 peephole removing spe frob_di_df_2.
8454 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8456 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8457 (subscript_dependence_tester_1): Declared.
8458 (print_dir_vectors, print_dist_vectors): New.
8459 (debug_data_dependence_relation): New.
8460 (dump_data_dependence_relation): Print more details.
8461 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8462 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8463 (save_dist_v, save_dir_v, add_outer_distances,
8464 build_classic_dist_vector_1): New.
8465 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8466 Don't test for lambda_vector_lexico_pos.
8467 (same_access_functions, add_multivariate_self_dist,
8468 add_other_self_distances, dir_from_dist): New.
8469 (build_classic_dir_vector): Replace implementation almost identical to
8470 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8472 (subscript_dependence_tester_1): New.
8473 (subscript_dependence_tester): Handle the lexicographically negative
8474 distance vectors by recomputing the dependence relation.
8475 (compute_affine_dependence): Remove parameter loop_nest_depth.
8476 (compute_self_dependence): Don't call compute_subscript_distance.
8477 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8478 Add a parameter for the loop_nest.
8479 (find_loop_nest_1, find_loop_nest): New.
8480 (compute_data_dependences_for_loop): Compute the loop nest, and give
8481 up if the nest is not well formed.
8482 * tree-data-ref.h (loop_p): New.
8483 (struct data_dependence_relation): Replace size_vect field with
8484 loop_nest, a vec of loops.
8485 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8486 (DDR_LOOP_NEST): New.
8487 (print_dir_vectors, print_dist_vectors,
8488 debug_data_dependence_relation): Declared.
8489 (index_in_loop_nest): New.
8490 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8491 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8494 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8496 * simplify-rtx.c (simplify_relational_operation): Call
8497 simplify_relational_operation_1 even if mode is VOIDmode.
8499 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8501 PR tree-optimization/26804
8502 * tree.h (DECL_CALL_CLOBBERED): New macro.
8503 (tree_decl_common): Add call_clobbered_flag.
8504 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8505 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8506 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8507 (mark_non_addressable): Ditto.
8508 * tree-ssa.c (verify_call_clobbered): New function.
8509 (verify_alias_info): Use it.
8510 * tree-pass.h (pass_reset_cc_flags): New prototype.
8511 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8512 (reset_cc_flags): New function.
8513 * passes.c (init_optimization_passes): Call reset_cc_flags after
8514 initializing referenced_vars.
8516 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8517 Roger Sayle <roger@eyesopen.com>
8520 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8521 to 1.0 for non-real operands. Implement A / A optimization for
8524 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8526 * config/i386/i386.c (size_cost): Correct the comment for
8527 cost of storing fp registers.
8528 (i386_cost): Likewise.
8529 (i486_cost): Likewise.
8530 (pentium_cost): Likewise.
8531 (pentiumpro_cost): Likewise.
8532 (k6_cost): Likewise.
8533 (athlon_cost): Likewise.
8534 (k8_cost): Likewise.
8535 (pentium4_cost): Likewise.
8536 (nocona_cost): Likewise.
8537 (generic64_cost): Likewise.
8538 (generic32_cost): Likewise.
8540 2006-03-24 Denis Chertykov <denisc@overta.ru>
8542 * config/avr/avr-protos.h (extra_constraint): Delete.
8543 (extra_constraint_Q): New declaration.
8544 * config/avr/constraints.md: New file.
8545 * config/avr/avr.md: Include it.
8546 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8547 (TMP_REGNO, ZERO_REGNO): Likewise.
8548 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8549 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8550 (extra_constraint): Delete.
8551 (extra_constraint_Q): Test for memory constraint 'Q'.
8552 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8553 (REG_CLASS_FROM_LETTER): Delete.
8554 (CONST_OK_FOR_LETTER_P): Delete.
8555 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8556 (EXTRA_CONSTRAINT): Delete.
8557 (TMP_REGNO): Delete.
8558 (ZERO_REGNO): Delete.
8560 2006-03-24 Jeff Law <law@redhat.com>
8562 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8563 directly. Call mark_new_vars_to_rename slightly earlier.
8565 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8567 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8569 (gen_compile_unit_die): Use new language types for Objective-C and
8571 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8572 DW_LANG_C_plus_plus.
8575 * config/t-darwin (crt3.o): Work around bug 26840.
8576 * config/darwin-crt3.c: Rewrite.
8577 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8579 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8581 * doc/invoke.texi: Document -femit-class-debug-always
8582 * common.opt: Add -femit-class-debug-always.
8584 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8586 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8587 index and base register.
8588 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8589 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8590 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8591 REGNO_OK_FOR_INDEX_P.
8592 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8594 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8595 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8596 REG_OK_FOR_BASE_P): Definitions removed.
8598 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8601 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8602 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8603 set yet or weren't marked as local yet.
8605 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8607 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8610 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8612 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8613 (rs6000_legitimate_small_data_p): Delete.
8614 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8615 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8616 and make static. Add forward declaration. Update uses.
8617 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8618 of offsettable_memref_p.
8619 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8620 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8622 2006-03-24 Jeff Law <law@redhat.com>
8624 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8625 around bug in immediate-use iterator.
8627 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8630 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8631 or __LITTLE_ENDIAN__.
8633 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8635 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8636 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8637 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8638 * config/sh/sh.opt (mdiv=): Amend description.
8639 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8640 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8641 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8642 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8643 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8644 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8645 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8646 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8647 TARGET_DIVIDE_CALL_FP.
8649 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8651 * haifa-sched.c (choose_ready): Fix type of the local variable.
8652 Move local variables. Add comment.
8653 (check_reg_live): Change signature. Make callable from debugger.
8654 * sched-int.h (check_reg_live): Update signature.
8655 * sched-ebb.c (check_reg_live): Update parameters.
8656 * sched-rgn.c (check_reg_live): Ditto.
8657 (region_head_or_leaf_p): Check pointer before dereferencing.
8658 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8659 before reload on optimization levels below 1.
8661 2006-03-23 Richard Henderson <rth@redhat.com>
8663 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8667 * config/alpha/predicates.md (local_symbolic_operand): Reject
8670 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8673 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8674 expressions which have overflowed constants.
8676 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8678 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8680 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8682 * cfgloopmanip.c (create_loop_notes): Removed.
8683 * final.c (final_scan_insn): Do not handle loop notes.
8684 * jump.c (squeeze_notes): Ditto.
8685 * cfglayout.c (skip_insns_after_block,
8686 duplicate_insn_chain): Ditto.
8687 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8689 * cfgloop.h (create_loop_notes): Declaration removed.
8691 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8693 * varasm.c (output_constant_pool): Restore fnname and fndecl
8695 (assemble_start_function): Adjust call accordingly.
8696 (assemble_end_function): Likewise.
8698 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8701 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8704 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8706 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8709 * system.h (ICE_EXIT_CODE): New macro.
8710 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8711 (diagnostic_action_after_output): Likewise.
8712 * gcc.c (fatal_ice): New function.
8713 (execute): Use it instead of fatal.
8714 (fancy_abort): Likewise.
8715 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8717 2006-03-22 Jeff Law <law@redhat.com>
8719 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8720 iv_analyze_result returning false.
8722 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8724 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8726 2006-03-22 Richard Henderson <rth@redhat.com>
8729 * except.c (duplicate_eh_regions_0): New.
8730 (duplicate_eh_region_1): Duplicate the children of the node as
8731 well as the node itself. Link them up properly.
8732 (duplicate_eh_region_2): Merge into ...
8733 (duplicate_eh_regions): ... here. Take copy_region argument, and
8734 copy only a sub-tree if asked. Simplify copying and fixup.
8735 (eh_region_outer_p): New.
8736 * except.h (duplicate_eh_regions): Update decl.
8737 (eh_region_outer_p): Declare.
8738 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8739 (lower_omp_master): Likewise.
8740 (lower_omp_ordered): Likewise.
8741 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8742 (move_stmt_r): Use it to remap labels. Handle recursion vs
8743 remap_decls_p properly.
8744 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8745 (find_outermost_region_in_block): New.
8746 (new_label_mapper): New.
8747 (move_sese_region_to_fn): Copy eh information to the new function
8749 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8751 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8754 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8756 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8757 into shared libraries.
8759 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8761 * doc/md.texi: Refer to i386/constraints.md instead of
8763 * config/i386/constraints.md: New file, extracted from...
8764 * config/i386/predicates.md: ...here.
8765 * config/i386/i386.md: Include constraints.md.
8767 2006-03-21 Jason Merrill <jason@redhat.com>
8769 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8772 * expr.c (init_block_move_fn): Force default visibility.
8773 (init_block_clear_fn): Likewise.
8774 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8775 * targhooks.c (default_external_stack_protect_fail): Likewise.
8777 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8779 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8780 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8781 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8782 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8783 (loadgp): Use mips_current_loadgp_style.
8784 (loadgp_noshared): New pattern.
8785 (sibcall_internal): Use MIPS_CALL.
8786 (sibcall_value_internal): Likewise.
8787 (sibcall_value_multiple_internal): Likewise.
8788 (call_internal): Likewise.
8789 (call_value_internal): Likewise.
8790 (call_value_multiple_internal): Likewise.
8791 (call_split): Use MIPS_CALL and add an 'S' constraint.
8792 (call_value_split): Likewise.
8793 (call_value_multiple_split): Likewise.
8794 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8795 (-mshared): New option.
8796 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8797 (mips_current_loadgp_style): Declare.
8798 * config/mips/mips.c (mips_classify_symbol): Avoid using
8799 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8800 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8801 TARGET_ABSOLUTE_ABICALLS.
8802 (override_options): Adjust comments. Improve the warning that is
8803 issued when -mabicalls and -G are used together.
8804 (mips_file_start): Remove comment.
8805 (mips_current_loadgp_style): New function.
8806 (mips_gnu_local_gp): New variable.
8807 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8809 (mips_output_function_prologue): Use mips_current_laodgp_style.
8810 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8811 the cprestore instruction.
8812 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8813 live for TARGET_ABSOLUTE_ABICALLS.
8814 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8815 (ASM_SPEC): Pass down -mshared and -mno-shared.
8816 (MIPS_CALL): New macro.
8817 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8819 * doc/invoke.texi (-mabicalls): Update documentation.
8820 (-mshared): Document.
8822 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8824 * config/ia64/unwind-hpux.c: New file.
8825 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8827 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8830 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8832 2006-03-21 Jeff Law <law@redhat.com>
8834 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8835 type conversions of a VR_VARYING source to a wider type.
8837 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8839 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8840 tm_file on Solaris 10 and later.
8841 (sparc64-*-solaris2*): Likewise.
8842 (sparc-*-solaris2*): Likewise.
8843 * config/sol26.h: Rename to config/sol2-6.h.
8844 * config/sol2-10.h: New file.
8846 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8849 * tree-ssa-pre.c (create_component_ref_by_pieces):
8852 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8855 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8856 return it immediately.
8858 2006-03-21 Michael Matz <matz@suse.de>
8860 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8862 (remove_arc, add_arc): Update num_out_arcs member.
8863 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8865 (cache_presence): New function.
8866 (compare_states_for_equiv): New function.
8867 (state_is_differed): Don't take number of outargs, adjust callers.
8868 Use new invariant for speeding up.
8869 (init_equiv_class): Create initial classes based on sorted
8871 (partition_equiv_class): Don't track out_arcs_num.
8872 (evaluate_equiv_classes): Call cache_presence on all states and
8875 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8877 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8878 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8879 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8880 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8882 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8883 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8884 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8885 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8886 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8888 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8889 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8890 (REGNO_REG_CLASS): ARGP is in PREGS.
8891 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8893 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8894 to deal with those addresses.
8895 * addresses.h: New file.
8896 * caller-save.c: Include "addresses.h".
8897 (init_caller_save): Use new base_reg_class function.
8898 * rtl-factoring.c: Include "addresses.h".
8899 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8900 * recog.c: Include "addresses.h".
8901 (preprocess_constraints): Use new base_reg_class function.
8902 * regrename.c: Include "addresses.h".
8903 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8904 functions. Keep track of a new var INDEX_CODE to compute valid
8906 (replace_oldest_value_addr): Likewise.
8907 (replace_oldest_value_mem): Use base_reg_class.
8908 * reload.c: Include "addresses.h".
8909 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8910 (find_reloads): Use new base_reg_class function.
8911 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8912 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8913 all callers and prototype changed.
8914 * reload1.c: Include "addresses.h".
8915 (maybe_fix_stack_asms): Use base_reg_class.
8916 * regclass.c: Include "addresses.h".
8917 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8918 (init_reg_autoinc): Use new base_reg_class function.
8919 (record_reg_classes): Likewise.
8920 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8921 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8922 Use new args to compute necessary class.
8924 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8925 regrename.o, rtl-factoring.o): Update dependencies.
8926 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8927 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8928 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8929 REG_OK_FOR_INDEX_P): Delete documentation.
8931 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8933 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8934 from V7 to V9 for Solaris 7 and above.
8936 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8938 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8939 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8940 argument pointers may not alias any other storage.
8941 * common.opt: Define option -fargument-noalias-anything.
8942 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8943 alias semantics is specified by flag_argument_noalias > 2.
8945 2006-03-20 Jeff Law <law@redhat.com>
8947 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8948 (pass_phi_only_cprop): Declare.
8949 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8951 * tree-ssa-dom.c (degenerate_phi_result): New function.
8952 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8953 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8954 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8955 (eliminate_degenerate_phis): Likewise.
8956 (pass_phi_only_cprop): New pass descriptor.
8957 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8958 support code. Callers updated.
8959 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8960 (store_copy_prop): Likewise.
8961 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8963 2006-03-20 Jason Merrill <jason@redhat.com>
8966 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8967 (push_visibility, pop_visibility): Likewise.
8968 * c-pragma.h: Declare them.
8970 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8972 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8974 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8975 parameter and use get_ebb_head_tail.
8976 (sh_md_init_global): Adjust uses of find_regmode_weight.
8978 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8980 * function.h (struct function) <x_tail_recursion_reentry>:
8981 Rename to x_stack_check_probe_note.
8982 (tail_recursion_reentry): Rename to stack_check_probe_note.
8983 * function.c: Replace tail_recursion_reentry with
8984 stack_check_probe_note everywhere.
8985 (expand_function_start): Only emit a note for
8986 stack_check_probe_note with -fstack-protect.
8987 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8989 * emit-rtl.c (remove_unnecessary_notes): Remove.
8990 (pass_remove_unnecessary_notes): Remove.
8991 * rtl.h (remove_unnecessary_notes): Remove prototype.
8992 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8993 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8994 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8996 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8999 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9000 (valid_in_set): Handle ARRAY_REF.
9001 Change "if min_variant or VH" to asserts.
9002 (create_component_ref_by_pieces): Handle ARRAY_REF.
9003 (create_expression_by_pieces): Likewise.
9004 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9006 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9008 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9009 is operand of switch, not str[0].
9011 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9013 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9014 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9016 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9018 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9019 end of insn_extra_address_constraint declaration.
9021 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9023 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9024 (no-sum-in-toc): Same.
9025 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9027 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9028 NO_FP_IN_TOC for -fPIC instead of mask.
9030 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9031 (BOOT_LDFLAGS): Delete.
9033 * config/rs6000/t-aix52: Same.
9035 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9036 (stmsi[345678]_power): New.
9038 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9040 * config/ia64/ia64.opt: Add empty line to end of file.
9042 2006-03-17 Richard Guenther <rguenther@suse.de>
9045 * builtins.c (get_pointer_alignment): For component style references
9046 adjust alignment to the component type alignment. Make sure
9047 to adjust alignment for component access of constants.
9049 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9051 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9054 2006-03-17 Paul Brook <paul@codesourcery.com>
9056 * doc/install.texi: Docuemnt --with-mode.
9057 * config.gcc: Add --with-mode for arm*-*-*.
9058 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9060 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9062 * sh.c (max_labelno_before_reorg): New variable.
9063 (sh_reorg): Initialize it.
9064 (find_barrier): Check max_labelno_before_reorg before using
9065 label_to_alignment. Take length of explicit alignment insns
9066 into account. When seeing a UNSPECV_CONST_END, return it.
9068 * sh.c (fixup_mova): Set mode of affected label to QImode.
9069 (untangle_mova): New function.
9070 (find_barrier): Use it. Check mode of label before decrementing
9072 (sh_reorg): Likewise.
9073 Set mode of all insns back to VOIDmode.
9075 * sh.c (MOVA_LABELREF): New macro.
9076 (mova_p, fixup_mova, sh_reorg): Use it.
9077 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9078 ADDR_DIFF_VEC matches mova.
9080 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9082 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9083 with ATTRIBUTE_UNUSED.
9085 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9087 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9088 pointer, instead of assuming it is possible to derive the
9089 correct args size from a call insn.
9091 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9093 * rtl.h (CONST_INT_P): Define.
9094 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9095 instead of GET_CODE(x) == CONST_INT.
9096 (vax_rtx_costs): Likewise.
9097 (vax_output_int_move): Likewise.
9098 (vax_output_int_add): Likewise.
9099 (legitimate_constant_address_p): Likewise.
9100 (index_term_p): Likewise.
9101 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9102 * config/vax/vax.md (and<mode>3): Likewise.
9103 (ashrsi3): Likewise.
9105 (movstricthi): Likewise.
9106 (movstrictqi): Likewise.
9107 (rotrsi3): Likewise.
9108 (five unnamed insns): Likewise.
9110 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9112 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9113 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9114 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9115 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9116 Pass to ASM_OUTPUT_DWARF_OFFSET.
9117 * dwarf2out.c (debug_frame_section): New.
9118 (output_call_frame_info): Use debug_frame_section. Pass it to
9119 dw2_asm_output_offset.
9120 (output_die): Pass appropriate section to dw2_asm_output_offset.
9121 (output_compilation_unit_header): Likewise.
9122 (output_pubnames): Likewise.
9123 (output_aranges): Likewise.
9124 (enum dw_val_class): Break dw_val_class_lbl_offset into
9125 dw_val_class_lineptr and dw_val_class_macptr.
9126 (add_AT_lbl_offset): Delete.
9127 (add_AT_lineptr): New.
9128 (add_AT_macptr): New.
9129 (AT_lbl): Expect a lineptr or macptr.
9130 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9131 (attr_checksum): Likewise.
9132 (same_dw_val_p): Likewise.
9133 (size_of_die): Likewise.
9134 (value_format): Likewise.
9135 (output_die): Likewise.
9136 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9138 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9139 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9140 * config/darwin-protos.h (darwin_file_start): New.
9141 (darwin_asm_output_dwarf_offset): New.
9142 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9143 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9145 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9146 if not EH section; simplify.
9147 (darwin_file_start): New.
9148 (darwin_asm_output_dwarf_offset): New.
9149 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9151 (DEBUG_INFO_SECTION): Likewise.
9152 (DEBUG_ABBREV_SECTION): Likewise.
9153 (DEBUG_ARANGES_SECTION): Likewise.
9154 (DEBUG_MACINFO_SECTION): Likewise.
9155 (DEBUG_LINE_SECTION): Likewise.
9156 (DEBUG_LOC_SECTION): Likewise.
9157 (DEBUG_PUBNAMES_SECTION): Likewise.
9158 (DEBUG_STR_SECTION): Likewise.
9159 (DEBUG_RANGES_SECTION): Likewise.
9160 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9161 (ASM_OUTPUT_DWARF_OFFSET): New.
9163 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9165 * config.gcc (tm_defines): Always add to previous value rather
9168 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9170 * config/mips/predicates.md (splittable_const_int_operand): New,
9171 split from move_operand.
9172 (splittable_symbolic_operand): New.
9173 (move_operand): Add commentary. Use splittable_const_int_operand.
9174 Inline mips_atomic_symbolic_constant_p.
9175 * config/mips/mips.md: Add combine splitters for handling moves
9176 of splittable_const_int_operands and splittable_symbolic_operands.
9177 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9178 (mips_split_symbol): Declare.
9179 (mips_move_integer): Declare.
9180 * config/mips/mips.c (mips_split_p): Make global.
9181 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9182 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9183 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9184 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9185 (mips_offset_within_object_p): Handle block symbols.
9186 (mips_atomic_symbolic_constant_p): Delete.
9187 (mips_cannot_force_const_mem): Return false for constants that
9188 mips_legitimize_move can handle.
9189 (mips_use_blocks_for_constant_p): New function.
9190 (mips_split_symbol): Make global.
9191 (mips_move_integer): Likewise. Add a temporary register argument.
9192 (mips_legitimize_const_move): Use splittable_const_int_operand and
9193 splittable_symbolic_operand.
9194 (mips_use_anchors_for_symbol_p): New function.
9195 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9196 (mips_split_p): Declare.
9198 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9200 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9201 (mips*-*-linux*): Likewise.
9203 2006-03-16 Roger Sayle <roger@eyesopen.com>
9204 Daniel Speyer <dspeyer@wam.umd.edu>
9207 * tree-dump.c (dump_real): New function.
9208 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9209 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9210 (tree-dump.o): Add $(REAL_H) to the dependencies.
9212 2006-03-16 Roger Sayle <roger@eyesopen.com>
9215 * real.c (real_from_string): If the mantissa is zero, don't bother
9216 parsing the exponent as the result should always be zero.
9218 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9220 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9222 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9224 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9225 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9226 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9227 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9228 ia64_sched_finish_global): New static functions to implement
9229 hooks from gcc_target.sched.
9230 (spec_check_no, max_uid, pending_data_specs): New static variables.
9231 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9232 ia64_spec_check_src_p): New static functions.
9233 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9234 (TARGET_SCHED_ADJUST_COST): Removed.
9235 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9236 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9237 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9238 TARGET_SCHED_GEN_CHECK,
9239 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9240 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9241 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9242 Fixed to handle speculation checks.
9243 (rtx_needs_barrier): Fixed to handle speculative loads and
9245 (ia64_variable_issue): Added code to count speculative loads and their
9247 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9249 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9251 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9253 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9254 (ia64_reorg): Reset stops_p to NULL after it is freed.
9255 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9256 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9257 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9259 (data_speculative, control_speculative, check_load): New attributes.
9260 (mov<mode>_advanced, mov<mode>_speculative,
9261 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9262 zero_extend<mode>di2_speculative,
9263 zero_extend<mode>di2_speculative_advanced): New patterns for
9264 data and control speculative loads.
9265 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9267 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9268 New pattern for data and control speculation checks.
9269 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9270 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9271 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9272 Auxiliary definitions for the patterns.
9273 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9274 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9276 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9278 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9279 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9280 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9281 New resource constraints.
9282 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9284 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9285 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9286 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9287 msched-in-control-spec, msched-ldc, msched-control-ldc,
9288 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9289 msched-prefer-non-control-spec-insns,
9290 msched-count-spec-in-critical-path): New flags to tune speculative
9292 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9293 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9294 msched-in-control-spec, msched-ldc, msched-control-ldc,
9295 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9296 msched-prefer-non-control-spec-insns,
9297 msched-count-spec-in-critical-path): Document new flags.
9299 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9301 * target.h (struct spec_info_def): New opaque declaration.
9302 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9303 speculate_insn, needs_block_p, gen_check,
9304 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9305 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9306 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9307 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9308 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9309 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9311 (TARGET_SCHED): Use new macros.
9312 * rtl.h (copy_DEPS_LIST_list): New prototype.
9313 * sched-int.h (struct sched_info): Change signature of new_ready field,
9314 adjust all initializations. New fields: add_remove_insn,
9315 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9316 region_head_or_leaf_p.
9317 (struct spec_info_def): New structure declaration.
9318 (spec_info_t): New typedef.
9319 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9320 recovery_block, orig_pat.
9321 (glat_start, glat_end): New variables declaraions.
9322 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9324 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9325 DETACH_LIFE_INFO, USE_GLAT.
9326 (enum SPEC_SCHED_FLAGS): New enumeration.
9327 (NOTE_NOTE_BB_P): New macro.
9328 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9329 attach_life_info, debug_spec_status, check_reg_live): New functions.
9330 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9331 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9333 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9334 * ddg.c (get_block_head_tail): Adjust all uses.
9335 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9336 (sms_sched_info): Initialize new fields.
9337 (contributes_to_priority): Removed.
9338 * haifa-sched.c (params.h): New include.
9339 (get_block_head_tail): Adjust all uses.
9340 (ISSUE_POINTS): New macro.
9341 (glat_start, glat_end): New global variables.
9342 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9343 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9344 old_last_basic_block, before_recovery, current_sched_info_var,
9345 rgn_n_insns, luid): New static variables.
9346 (insn_cost1): New function. Move logic from insn_cost to here.
9347 (find_insn_reg_weight1): New function. Move logic from
9348 find_insn_reg_weight to here.
9349 (reemit_notes, move_insn, max_issue): Change signature.
9350 (move_insn1): Removed.
9351 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9352 extend_bb): New static functions to support extension of scheduler's
9354 (generate_recovery_code, process_insn_depend_be_in_spec,
9355 begin_speculative_block, add_to_speculative_block,
9356 init_before_recovery, create_recovery_block, create_check_block_twin,
9357 fix_recovery_deps): New static functions to support
9358 generation of recovery code.
9359 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9360 restore_bb_notes, move_block_after_check, move_succs): New static
9361 functions to support ebb scheduling.
9362 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9363 functions to support handling of register live information.
9364 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9365 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9366 add_jump_dependencies): New static functions.
9367 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9368 consistancy checking.
9369 (debug_spec_status): New function to call from debugger.
9370 (priority): Added code to handle speculation checks.
9371 (rank_for_schedule): Added code to distinguish speculative instructions.
9372 (schedule_insn): Added code to handle speculation checks.
9373 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9374 Fixed to handle ebbs.
9375 (move_insn): Added code to handle ebb scheduling.
9376 (max_issue): Added code to use ISSUE_POINTS of instructions.
9377 (choose_ready): Added code to choose between speculative and
9378 non-speculative instructions.
9379 (schedule_block): Added code to handle ebb scheduling and scheduling of
9380 speculative instructions.
9381 (sched_init): Initialize new variables.
9382 (sched_finish): Free new variables. Print statistics.
9383 (try_ready): Added code to handle speculative instructions.
9384 * lists.c (copy_DEPS_LIST_list): New function.
9385 * sched-deps.c (extend_dependency_caches): New function. Move logic
9386 from create_dependency_caches to here.
9387 (get_dep_weak, ds_merge): Make global.
9388 * genattr.c (main): Code to output prototype for
9389 dfa_clear_single_insn_cache.
9390 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9391 (output_dfa_clean_insn_cache_func): Code to output
9392 dfa_clear_single_insn_cache function.
9393 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9395 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9397 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9398 New static variables.
9399 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9400 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9402 (ebb_sched_info): Initialize new fields.
9403 (get_block_head_tail): Adjust all uses.
9404 (compute_jump_reg_dependencies): Fixed to use glat_start.
9405 (schedule_ebb): Code to remove unreachable last block.
9406 (schedule_ebbs): Added code to update register live information.
9407 * sched-rgn.c (region_sched_info): Initialize new fields.
9408 (get_block_head_tail): Adjust all uses.
9409 (last_was_jump): Removed. Adjust users.
9410 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9411 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9412 Implement new hooks.
9413 (check_dead_notes1): New static function.
9414 (struct region): New fields: dont_calc_deps, has_real_ebb.
9415 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9416 (BB_TO_BLOCK): Fixed to handle EBBs.
9417 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9418 (ebb_head): New static variable.
9419 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9420 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9422 (compute_dom_prob_ps): New assertion.
9423 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9424 global_live_at_start.
9425 (init_ready_list): New assertions.
9426 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9427 (new_ready): Add support for BEGIN_CONTROL speculation.
9428 (schedule_insns): Fixed code that updates register live information
9430 (schedule_region): Fixed to handle EBBs.
9431 (init_regions): Use extend_regions and check_dead_notes1.
9432 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9433 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9434 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9435 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9436 TARGET_SCHED_GEN_CHECK,
9437 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9438 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9439 * doc/invoke.texi (max-sched-insn-conflict-delay,
9440 sched-spec-prob-cutoff): Document.
9442 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9444 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9445 inter_tick, queue_index.
9446 (struct sched_info): Change signature of init_ready_list field.
9447 Adjust all initializations.
9448 (RESOLVED_DEPS): New access macro.
9449 (ready_add): Remove prototype.
9450 (try_ready): Add prototype.
9451 * sched-rgn.c (init_ready_list): Use try_ready.
9452 (schedule_region): Initialize
9453 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9454 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9455 (init_ready_list): Use try_ready.
9456 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9457 * lists.c (remove_list_elem): Remove `static'.
9458 (remove_free_INSN_LIST_elem): New function.
9459 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9460 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9461 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9463 (readyp): New variable.
9464 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9465 change_queue_index, resolve_dep): New static functions.
9466 (try_ready): New function. Adjust callers in sched-rgn.c and
9467 sched-ebb.c to use it instead of ready_add.
9468 (clock_var): Move at the begining of file.
9469 (rank_for_schedule): Fix typo.
9470 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9471 (ready_lastpos): Enforce assertion.
9472 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9474 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9475 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9476 (queue_to_ready): Use free_INSN_LIST_list.
9477 (early_queue_to_ready): Fix typo.
9478 (schedule_block): Init readyp. Move init_ready_list call after the
9479 initialization of clock_var. Fix error in rejecting insn by
9480 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9481 that previously corrected INSN_TICKs. Add code for handling
9483 (set_priorities): Fix typo.
9484 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9485 Clarify comment and code that keeps current_sched_info->next_tail
9488 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9490 * sched-rgn.c (extend_rgns): New static function.
9491 (find_rgns): Use it.
9492 (gather_region_statistics, print_region_statistics): New static
9494 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9495 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9497 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9498 Andrey Belevantsev <abel@ispras.ru>
9500 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9501 * lists.c (unused_deps_list): New variable.
9502 (free_list): Add assertions to verify the proper distinguishing
9503 between INSN_LISTs and DEPS_LISTs.
9504 (find_list_elem, remove_list_elem, remove_list_node): New static
9506 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9507 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9508 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9509 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9511 (free_INSN_LIST_node): Likewise.
9512 * modulo-sched.c (current_sched_info): Initialize flags field.
9513 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9514 * rtl.def (DEPS_LIST): Define.
9515 * rtl.h: Declare new functions from lists.c.
9516 * sched-deps.c (spec_dependency_cache): New static variable.
9517 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9518 (add_dependence): Change return type to void. Move the logic to ...
9519 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9520 (delete_all_dependences): Add comment about forward_dependency_cache.
9521 Handle spec_dependency_cache. Handle DEPS_LISTs.
9522 (fixup_sched_groups): Clarify the change of priority of output
9523 and anti dependencies.
9524 (sched_analyze_2): Adjust add_dependence calls to create data
9525 speculative dependence.
9526 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9527 Adjust all callers. Handle DEPS_LISTS.
9528 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9529 presence of speculation.
9530 (init_dependency_caches, free_dependency_caches):
9531 Handle spec_dependency_cache.
9532 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9533 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9534 New static functions.
9535 (add_or_update_back_dep, add_or_update_back_forw_dep,
9536 add_back_forw_dep, delete_back_forw_dep): New functions.
9537 * sched-int.h (ds_t, dw_t): New typedefs.
9538 (struct sched_info): Add new field flags.
9539 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9540 Prototype new sched-deps.c functions.
9541 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9542 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9543 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9544 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9545 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9546 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9548 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9550 * sched-rgn.c (current_sched_info): Initialize flags field.
9551 (schedule_insns): Initialize current_sched_info before the sched_init
9553 * sched-ebb.c (current_sched_info): Initialize flags field.
9554 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9555 Call add_or_update_back_dep instead of add_dependence.
9556 Create control speculative dependencies.
9557 (schedule_insns): Initialize current_sched_info before the sched_init
9560 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9562 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9564 (sh_fallback_frame_state): Likewise.
9566 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9568 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9569 Do switch on default_use_cxa_atexit.
9570 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9571 * config/darwin-crt3.o: New.
9572 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9573 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9574 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9576 * config/rs6000/t-darwin: Move crt2.o building to here.
9577 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9578 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9581 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9583 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9584 from '! xxx' to '!xxx' for coding-style conformance.
9585 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9586 (EXTRA_CONSTRAINT): Likewise.
9587 * config/vax/vax.md (four unnamed insns): Likewise.
9589 2006-03-15 Paul Brook <paul@codesourcery.com>
9591 * config/arm/arm.c (minipool_pad): New.
9592 (add_minipool_forward_ref): Include pool alignment padding in address
9594 (push_minipool_fix): Set minipool_pad.
9595 (minipool_pad): Ditto.
9597 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9599 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9600 instead of GET_CODE() == MEM and REG_P() instead of
9602 (print_operand_address): Likewise.
9603 (vax_address_cost): Likewise.
9604 (vax_rtx_costs): Likewise.
9605 (vax_notice_update_cc): Likewise.
9606 (vax_output_int_add): Likewise.
9607 (INDEX_REGISTER_P): Likewise.
9608 (BASE_REGISTER_P): Likewise.
9609 (nonindexed_address_p): Likewise.
9610 (vax_mode_dependent_address_p): Likewise.
9611 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9612 (PRINT_OPERAND): Likewise.
9613 * config/vax/vax.md (ashlsi3): Likewise.
9614 (ashlsi3): Likewise.
9615 (some more unnamed insns): Likewise.
9617 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9619 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9620 iterator-style macro.
9621 (mark_control_dependent_edges_necessary): Update the use of
9622 EXECUTE_IF_CONTROL_DEPENDENT.
9624 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9626 * config/sh/predicates.md (cache_address_operand): Special.
9627 (ua_address_operand): Likewise.
9629 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9631 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9633 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9635 2006-03-15 Andreas Schwab <schwab@suse.de>
9637 * gensupport.c (identify_predicable_attribute): Don't free p_false
9638 when it is still in use.
9640 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9642 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9643 the default setting here.
9645 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9647 * tree-pass.h (pass_cfg): Remove.
9648 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9649 * passes.c (pass_cfg): Don't run it.
9651 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9653 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9654 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9656 (stack_regs_mentioned): Update the uses of
9657 stack_regs_mentioned_data. Don't access the array beyond its
9659 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9660 Don't include gt-reg-stack.h.
9662 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9663 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9665 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9668 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9671 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9673 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9675 2006-03-14 Richard Guenther <rguenther@suse.de>
9677 PR tree-optimization/26672
9678 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9681 2006-03-14 Richard Guenther <rguenther@suse.de>
9683 PR tree-optimization/26667
9684 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9685 node for the callees. Always allow inlining if it will shrink
9688 2006-03-14 Richard Guenther <rguenther@suse.de>
9691 * builtins.c (get_pointer_alignment): Prefer alignment
9692 information from decls over that from types.
9694 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9697 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9699 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9701 * config/rs6000/rs6000.opt (mdlmzb): New option.
9702 (msched-prolog, msched-epilog): Use Var not Mask.
9703 * doc/invoke.texi (-mdlmzb): Document.
9704 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9706 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9707 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9709 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9711 PR rtl-optimization/25739
9712 * bt-load.c (augment_live_range): Free tos pointer.
9714 * gensupport.c (identify_predicable_attribute): Free
9716 * gcov.c (create_file_names): Free name pointer.
9718 2006-03-13 Roger Sayle <roger@eyesopen.com>
9721 * stmt.c (emit_case_nodes): Handle the case where the index is a
9722 CONST_INT, where the comparison mode is specified by the index type.
9724 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9726 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9729 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9731 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9732 (*branch_fp_inverted): Likewise.
9734 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9737 * omp-low.c (expand_omp_for_generic): Mark istart0
9738 and iend0 as addressable.
9740 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9742 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9744 2006-03-13 Jeff Law <law@redhat.com>
9746 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9747 virtual operands are interesting.
9748 (vrp_visit_stmt): Corresponding changes.
9750 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9752 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9754 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9755 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9756 * config/bfin/crti.S: Use it instead of __PIC__.
9757 * config/bfin/crtn.S: Likewise.
9759 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9760 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9762 Lose 'G' modifier for call operand.
9763 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9764 recognize 'G' modifier.
9766 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9769 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9770 * stmt.c (expand_case): Likewise.
9772 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9774 PR rtl-optimization/26254
9775 * loop-invariant.c (seq_insns_valid_p): New function.
9776 (move_invariant_reg): Only emit new code if it is valid.
9778 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9780 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9782 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9783 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9784 (commit_one_edge_insertion): Do not look for loop notes.
9786 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9788 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9789 flag_test_coverage out of loop.
9791 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9793 * final.c (shorten_branches): Remove outdated comment, and turn
9794 the if branch that guards it to continue.
9796 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9798 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9799 * cfgloop.h (struct loop): Remove unused fields.
9801 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9803 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9804 (-dL, -fdump-rtl-loop2): Update the dump file names
9806 * doc/invoke.texi: Update dump file names.
9808 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9810 * predict.c (estimate_probability): Remove.
9811 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9812 * basic-block.h (estimate_probability): Remove prototype.
9813 * passes.c (finish_optimization_passes): Dump branch prediction or
9814 profiling heuristics to the .profile tree dump.
9815 (init_optimization_passes): Unqueue pass_branch_prob.
9817 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9819 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9821 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9822 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9824 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9826 * function.h (frame_offset_overflow): Declare.
9827 * function.c (frame_offset_overflow): New function.
9828 (assign_stack_local_1): Call it to detect that the offset overflows.
9829 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9831 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9833 * config/sh/sh.c: Include alloc-pool.h.
9834 (label_ref_list_pool): New alloc pool.
9835 (label_ref_list_t): New type for lists of labels.
9836 (struct pool_node): Make wend a label_ref_list_t.
9837 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9839 (dump_table): Likewise.
9840 (sh_reorg): Set up the alloc pool before using add_constant and
9841 dump_table, and destroy it when finishing.
9843 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9845 * config/mips/mips.c: Remove redundant comment.
9847 2006-03-10 Jason Merrill <jason@redhat.com>
9850 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9851 the target was declared 'register'.
9853 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9855 * genpreds.c (write_insn_constraint_len): Change definition of
9856 insn_constraint_len to return size_t to match the declaration.
9858 2006-03-10 DJ Delorie <dj@redhat.com>
9860 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9862 (m32c_expand_insv): Fix test for an AND mask.
9864 2006-03-10 Richard Guenther <rguenther@suse.de>
9867 * builtins.c (get_pointer_alignment): Handle component
9868 references for field alignment.
9870 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9872 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9873 when building with libgloss.
9874 (sh*elf): Implement --without-fp option.
9875 (sh64-superh-linux*): Don't multilib.
9877 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9879 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9881 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9883 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9884 Set it when one of the replacement functions returned true.
9885 Return TODO_cleanup_cfg if cfgchanged is true.
9886 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9888 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9890 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9891 instead of gen_lowpart.
9893 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9895 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9897 (mips_output_order_conditional_branch): Declare.
9898 * config/mips/mips.h (MIPS_BRANCH): New macro.
9899 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9900 for the comparison. Use gen_condjump.
9901 (mips_output_conditional_branch): Rework interface to take the
9902 asm templates for a direct branch and the inverse of a direct branch.
9903 (mips_output_order_conditional_branch): New function.
9904 (mips_builtin_branch_and_move): New function.
9905 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9906 branch condition. Use gen_single_cc as the condition for
9907 __builtin_mips_upper_* or __builtin_mips_lower_*.
9908 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9909 Use VOIDmode for the branch condition.
9910 * config/mips/predicates.md (order_operator): New predicate.
9911 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9912 (branch_fp): Rename to...
9913 (*branch_fp): ...this. Remove mode from comparison operator.
9914 Use new mips_output_conditional_branch interface.
9915 (branch_fp_inverted): Rename to...
9916 (*branch_fp_inverted): ...this and update as for *branch_fp.
9917 (*branch_zero<mode>): Rename to...
9918 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9919 Use mips_output_order_conditional_branch. Only accept ordered
9921 (*branch_zero<mode>_inverted): Rename to...
9922 (*branch_order<mode>_inverted): ...this and update as for
9923 *branch_order<mode>.
9924 (*branch_equality<mode>): Accept zero as the second operand to
9925 the equality operator. Use the new mips_output_conditional_branch
9927 (*branch_equality<mode>_inverted): Likewise.
9928 (condjump): New expander.
9929 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9931 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9932 (bc1any2t, bc1any2f): Likewise.
9933 (single_cc): New expander.
9934 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9936 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9938 * doc/md.texi: Update documentation of MIPS constraints.
9939 * config/mips/constraints.md: New file.
9940 * config/mips/mips.md: Include it.
9941 * config/mips/mips.c (mips_char_to_class): Delete.
9942 (override_options): Don't initialize mips_char_to_class.
9943 * config/mips/mips.h (mips_char_to_class): Delete.
9944 (REG_CLASS_FROM_LETTER): Delete.
9945 (CONST_OK_FOR_LETTER_P): Delete.
9946 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9947 (EXTRA_CONSTRAINT_Y): Delete.
9948 (EXTRA_CONSTRAINT_STR): Delete.
9949 (CONSTRAINT_LEN): Delete.
9950 (EXTRA_MEMORY_CONSTRAINT): Delete.
9952 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9954 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9955 original fn's eh regions.
9957 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9959 * fold-const.c (build_range_check): Make sure to use a valid type to
9960 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9963 (range_predecessor): New static function.
9964 (range_successor): Likewise.
9965 (merge_ranges): Use them to compute predecessors and successors of
9968 2006-03-09 Roger Sayle <roger@eyesopen.com>
9971 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9972 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9974 2006-03-08 DJ Delorie <dj@redhat.com>
9976 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9977 (addpsi3): Expand to include memory operands. Remove
9978 reload-specific splits.
9979 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9980 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9981 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9982 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9983 (shift1_qi, shift1_hi, insv): New.
9984 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9985 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9986 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9988 * config/m32c/m32c-protos.h: Update as needed.
9989 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9990 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9991 Fail for unrecognized R* constraints.
9992 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9993 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9994 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9996 (m32c_init_libfuncs): New.
9997 (m32c_legitimate_address_p): Add debug wrapper.
9998 (m32c_rtx_costs): New.
9999 (m32c_address_cost): New.
10000 (conversions): Add 'B' prefix.
10001 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10002 operands, or word regnames for QI operands. 'B' prints bit
10004 (m32c_expand_setmemhi): New.
10005 (m32c_expand_movmemhi): New.
10006 (m32c_expand_movstr): New.
10007 (m32c_expand_cmpstr): New.
10008 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10009 (m32c_expand_neg_mulpsi3): Handle non-ints.
10010 (m32c_cmp_flg_0): New.
10011 (m32c_expand_movcc): New.
10012 (m32c_expand_insv): New.
10013 (m32c_scc_pattern): New.
10014 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10015 a0/a1 out of SIregs.
10016 (STORE_FLAG_VALUE): New.
10017 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10020 * config/m32c/mov.md: Make constraints more liberal.
10021 (zero_extendqihi2): Optimize r0/r1 case.
10022 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10023 * config/m32c/predicates.md (m32c_any_operand): New.
10024 (m32c_nonimmediate_operand): New.
10025 (m32c_hl_operand): New.
10026 (m32c_r3_operand): New.
10029 (memsym_operand): New.
10030 (memimmed_operand): New.
10031 (a_qi_operand): New.
10032 (m32c_eqne_operator): New.
10033 (m32c_1bit8_operand): New.
10034 (m32c_1bit16_operand): New.
10035 (m32c_1mask8_operand): New.
10036 (m32c_1mask16_operand): New.
10037 * config/m32c/blkmov.md: New file.
10038 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10040 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10042 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10043 unsigned to fix signed/unsigned comparison issue in
10044 DWARF2_FRAME_REG_OUT.
10045 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10046 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10048 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10049 of ptr into the ENABLE_CHECKING section.
10051 2006-03-08 Jeff Law <law@redhat.com>
10053 * tree-vrp.c (infer_value_range): Only count pointer uses
10054 and dereferences if -fdelete-null-pointer-checks is enabled.
10056 * tree-vrp.c (find_assert_locations): Infer value ranges for
10057 single use pointers, but do not create ASSERT_EXPRs for them.
10058 When a non-null range is inferred for a pointer, backwards
10059 propagate that range to other equivalent pointers through the
10062 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10065 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10066 language hook targets.
10067 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10068 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10069 if language hook targets were missing.
10071 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10073 * tree-ssa-opfinalize.h: Removed.
10074 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10076 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10077 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10078 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10079 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10080 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10081 finalize_ssa_v_must_def_ops): New.
10083 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10085 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10086 block as parameter.
10088 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10090 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10092 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10093 addresses with offsets; reorganize.
10095 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10096 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10097 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10099 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10102 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10104 2006-03-08 Ben Elliston <bje@au.ibm.com>
10106 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10108 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10111 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10114 2006-03-07 Richard Guenther <rguenther@suse.de>
10116 PR tree-optimization/26587
10117 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10119 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10121 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10123 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10125 * hooks.c (hook_bool_mode_rtx_true): New function.
10126 * hooks.h (hook_bool_mode_rtx_true): Declare.
10127 * toplev.c (compile_file): Call output_shared_constant_pool.
10128 * varasm.c (shared_constant_pool): New variable.
10129 (assemble_start_function, assemble_end_function): Remove arguments
10130 from call to output_constant_pool.
10131 (create_constant_pool): New function, split out from...
10132 (init_varasm_status): ...here.
10133 (force_const_mem): Choose between the shared and per-function constant
10134 pools. Set current_function_uses_const_pool when reusing old entries
10135 as well as when creating new ones.
10136 (mark_constant): Ignore data argument.
10137 (mark_constants): Remove pool argument.
10138 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10139 to decide whether the function uses a constant pool.
10140 (output_constant_pool_contents): New function, split out from...
10141 (output_constant_pool): ...here.
10142 (output_shared_constant_pool): New function.
10143 (init_varasm_once): Initialize shared_constant_pool.
10144 * output.h (output_constant_pool): Delete.
10145 (output_shared_constant_pool): Declare.
10146 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10147 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10149 2006-03-06 Nick Clifton <nickc@redhat.com>
10151 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10152 flag_strength_reduce.
10154 2006-03-06 Ben Elliston <bje@au.ibm.com>
10156 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10157 x86_64-*-linux* configurations.
10159 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10160 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10162 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10164 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10166 * basic-block.h: Remove the extern for
10167 rediscover_loops_after_threading.
10169 * cfgloop.c (cancel_loop): Make it static.
10170 * cfgloop.h: Remove the prototype for cancel_loop.
10172 * flow.c (recompute_reg_usage): Make it static.
10173 * rtl.h: Remove the prototype for recompute_reg_usage.
10175 * function.c (use_return_register): Make it static.
10176 * function.h: Remove the prototype.
10178 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10180 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10182 * recog.h: Remove the prototype for
10183 validate_change_maybe_volatile.
10185 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10187 * rtlanal.c (replace_reg): Remove.
10188 * rtl.h: Remove the prototype for replace_reg.
10190 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10192 * regclass.c (reg_scan_update): Remove.
10193 (reg_scan_mark_refs): Remove the last argument.
10194 * rtl.h: Remove the prototype for reg_scan_update.
10196 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10198 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10199 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10200 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10201 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10202 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10203 loop-invariant.c, omp-low.c, opts.c, passes.c,
10204 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10205 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10206 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10207 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10208 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10209 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10211 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10213 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10214 * dwarf2out.h: Remove the prototype for
10215 dwarf2out_add_library_unit_info.
10217 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10219 * tree.c (add_var_to_bind_expr): Remove.
10220 * tree.h: Remove the prototype for add_var_to_bind_expr.
10222 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10224 * regclass.c (n_non_fixed_regs): Remove.
10225 (init_reg_sets_1, globalize_reg): Remove all uses of
10227 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10229 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10231 * rtlanal.c (insns_safe_to_move_p): Remove.
10232 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10234 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10236 * expmed.c (expand_mult_add): Remove.
10237 * expr.h: Remove the prototype for expand_mult_add.
10239 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10241 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10242 and REG_SAVED_VAL_EXP constants.
10243 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10244 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10245 Handle regs stored by value.
10246 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10247 (execute_cfa_program): Handle DW_CFA_val_offset,
10248 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10249 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10250 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10251 (uw_install_context_1): Handle target regs stored by value.
10253 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10255 * tree-sra.c (tree_sra): Return todoflags;
10256 (generate_one_element): Set TODO_update_smt_usage if needed.
10257 (pass_sra): Remove TODO_update_smt_usage.
10258 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10260 (tree_ssa_forward_propagate_single_use_vars): Return
10261 TODO_update_smt_usage if we need to update SMT usage.
10262 (pass_forwprop): Remove TODO_update_smt_usage.
10264 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10266 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10267 (correct_use_link): Remove reference to get_stmt_operands.
10268 (update_stmt_operands): Likewise.
10269 (get_modify_expr_operands): New function factored out of
10270 parse_ssa_operands and get_expr_operands.
10271 Try to create V_MUST_DEFs for LHS by default.
10272 (get_expr_operands) <case MODIFY_EXPR>: Call
10273 get_modify_expr_operands.
10274 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10275 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10276 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10277 get_modify_expr_operands.
10279 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10281 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10282 * tree-flow.h: Remove the prototype for
10283 referenced_var_lookup_if_exists.
10285 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10287 PR rtl-optimization/26345
10289 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10291 2006-03-03 Roger Sayle <roger@eyesopen.com>
10293 PR tree-optimization/26524
10294 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10295 fold_convert to create a constant of the appropriate type.
10297 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10299 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10300 SYMBOL_REF_IN_BLOCK_P.
10301 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10302 of SYMBOL_FLAG_IN_BLOCK.
10303 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10304 instead of SYMBOL_REF_IN_BLOCK_P.
10305 * explow.c (use_anchored_address): Likewise.
10306 * rtl.c (rtx_size): Likewise.
10307 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10308 instead of SYMBOL_FLAG_IN_BLOCK.
10309 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10310 SYMBOL_REF_IN_BLOCK_P.
10311 (assemble_variable): Likewise.
10312 (output_constant_def_contents): Likewise.
10313 (output_constant_pool): Likewise.
10314 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10315 instead of SYMBOL_FLAG_IN_BLOCK.
10316 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10317 SYMBOL_REF_IN_BLOCK_P.
10318 (SYMBOL_REF_BLOCK): Likewise.
10319 (SYMBOL_REF_OFFSET): Likewise.
10320 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10321 SYMBOL_REF_IN_BLOCK_P.
10322 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10323 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10324 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10325 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10327 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10329 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10331 2006-03-02 Roger Sayle <roger@eyesopen.com>
10333 * simplify-rtx.c (simplify_unary_operation): When simplifying
10334 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10335 that we perform the right shift in the appropriate mode, and
10336 then extend or truncate the result to requested mode.
10338 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10340 * gengtype.c (main): Handle double_int type.
10341 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10342 * double-int.c: New file.
10343 * double-int.h: New file.
10344 * system.h: Include doubleint.h.
10345 * Makefile.in (SYSTEM_H): Include double-int.h.
10346 (double-int.o): Add.
10348 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10351 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10354 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10356 * tree-vrp.c (remove_range_assertions): Do not update statements
10359 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10361 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10363 * gcse.c (rest_of_handle_gcse): Ditto.
10364 * except.c (gate_handle_eh): Ditto.
10365 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10366 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10368 2006-03-02 Eric Christopher <echristo@apple.com>
10370 * config/i386/i386.c (machopic_output_stub): Add indirection to
10373 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10377 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10379 Sun Niagara specific optimizations.
10380 * config.gcc: Recognize niagara as target.
10381 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10382 (TARGET_CPU_niagara): Define.
10383 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10384 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10385 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10386 (ASM_CPU_SPEC): Likewise.
10387 (PROCESSOR_NIAGARA): New enum entry.
10388 (REGISTER_MOVE_COST): Handle Niagara.
10389 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10390 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10391 (sparc_override_options): Recognize "niagara", set appropriate
10392 default MASK_* values for it, and align functions to 32-bytes
10393 by default just like ULTRASPARC/ULTRASPARC3.
10394 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10395 (sparc64_initialize_trampoline): Likewise.
10396 (sparc_use_sched_lookahead): Use zero for niagara.
10397 (sparc_issue_rate): Use one for niagara.
10398 * config/sparc/niagara.md: New file.
10399 * config/sparc/sparc.md: Include it.
10400 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10401 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10402 when default cpu is niagara.
10403 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10404 (ASM_CPU_SPEC): Likewise.
10405 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10406 when default cpu is niagara.
10407 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10408 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10409 just like v9/ultrasparc/ultrasparc3.
10410 * doc/invoke.texi: Add documentation for "niagara" and improve
10411 existing documentation for ultrasparc variants.
10413 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10415 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10417 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10419 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10420 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10421 and say that only one is needed.
10422 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10423 * target.h (have_switchable_bss_sections): New hook.
10424 * explow.c (use_anchored_address): Check that the symbol is in a block.
10425 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10426 (bss_noswitch_section): New variables.
10427 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10428 (get_noswitch_section): New function.
10429 (get_block_for_section): Allow SECT to be null.
10430 (unlikely_text_section_p): Use SECTION_STYLE.
10431 (bss_initializer_p): New function.
10432 (get_variable_section): Move earlier in file. Take a new argument,
10433 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10434 Return one of the new *_sections in such cases.
10435 (get_block_for_decl): New function, extracting some logic from
10436 use_blocks_for_decl_p.
10437 (change_symbol_section): Remove in favor of...
10438 (change_symbol_block): ...this new function.
10439 (use_blocks_for_decl_p): Remove checks now performed by
10440 get_block_for_decl.
10441 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10442 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10443 (emit_local, emit_bss, emit_common): ...these new functions.
10444 Return true if the alignment was honored.
10445 (emit_tls_common): New function.
10446 (asm_emit_uninitialised): Delete.
10447 (assemble_variable_noswitch): New function, split out from...
10448 (assemble_variable): ...here. Don't make decisions about common
10449 variables here. Globalize all public decls that go into non-common
10450 sections. Check whether SYMBOL_REF_BLOCK is null.
10451 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10452 (output_constant_pool): Likewise.
10453 (init_varasm_once): Initialize the new section variables.
10454 (have_global_bss_p): New function.
10455 (categorize_decl_for_section): Use bss_initializer_p.
10456 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10457 (place_block_symbol): Assert that the symbol must be in a block.
10458 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10459 (TARGET_INITIALIZER): Include it.
10460 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10461 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10462 (SECTION_MACH_DEP): Bump by two.
10463 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10464 (unnamed_section): Mention SECTION_UNNAMED in comment.
10465 (named_section): Likewise SECTION_NAMED.
10466 (noswitch_section_callback): New type.
10467 (noswitch_section): New structure.
10468 (section): Add a noswitch_section alternative.
10469 (SECTION_STYLE): New macro.
10470 (tls_comm_section, comm_section, lcomm_section): Declare.
10471 (bss_noswitch_section, have_global_bss_p): Declare.
10472 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10473 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10475 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10476 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10479 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10481 * tree-vrp.c (execute_vrp): Return value.
10482 * regrename.c (rest_of_handle_regrename): Ditto.
10483 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10484 * tree-complex.c (tree_lower_complex): Ditto.
10485 (tree_lower_complex_O0): Ditto.
10486 * tracer.c (rest_of_handle_tracer): Ditto.
10487 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10488 * postreload.c (rest_of_handle_postreload): Ditto.
10489 * tree-tailcall.c (execute_tail_recursion): Ditto.
10490 (execute_tail_calls): Ditto.
10491 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10492 * tree.h (init_function_for_compilation): Ditto.
10493 * ipa-cp.c (ipcp_driver): Ditto.
10494 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10495 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10496 * final.c (compute_alignments): Ditto.
10497 (rest_of_handle_final): Ditto.
10498 (rest_of_handle_shorten_branches): Ditto.
10499 (rest_of_clean_state): Ditto.
10500 * omp-low.c (execute_expand_omp): Ditto.
10501 (execute_lower_omp): Ditto.
10502 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10503 * ipa-reference.c (static_execute): Ditto.
10504 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10505 * reorg.c (rest_of_handle_delay_slots): Ditto.
10506 (rest_of_handle_machine_reorg): Ditto.
10507 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10508 * flow.c (recompute_reg_usage): Ditto.
10509 (rest_of_handle_remove_death_notes): Ditto.
10510 (rest_of_handle_life): Ditto.
10511 (rest_of_handle_flow2): Ditto.
10512 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10513 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10514 (do_ssa_store_ccp): Ditto.
10515 (execute_fold_all_builtins): Ditto.
10516 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10517 * modulo-sched.c (rest_of_handle_sms): Ditto.
10518 * ipa-pure-const.c (static_execute): Ditto.
10519 * cse.c (rest_of_handle_cse): Ditto.
10520 (rest_of_handle_cse2): Ditto.
10521 * web.c (rest_of_handle_web): Ditto.
10522 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10523 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10524 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10525 * tree-nrv.c (tree_nrv): Ditto.
10526 (execute_return_slot_opt): Ditto.
10527 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10528 (create_structure_vars): Ditto.
10529 * loop-init.c (rtl_loop_init): Ditto.
10530 (rtl_loop_done): Ditto.
10531 (rtl_move_loop_invariants): Ditto.
10532 (rtl_unswitch): Ditto.
10533 (rtl_unroll_and_peel_loops): Ditto.
10534 (rtl_doloop): Ditto.
10535 * gimple-low.c (lower_function_body): Ditto.
10536 (mark_used_blocks): Ditto.
10537 * tree-ssa-sink.c (execute_sink_code): Ditto.
10538 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10539 (cgraph_early_inlining): Ditto.
10540 * global.c (rest_of_handle_global_alloc): Ditto.
10541 * jump.c (cleanup_barriers): Ditto.
10542 (purge_line_number_notes): Ditto.
10543 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10544 (rest_of_handle_if_after_reload): Ditto.
10545 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10546 (tree_ssa_loop_im): Ditto.
10547 (tree_ssa_loop_unswitch): Ditto.
10548 (tree_vectorize): Ditto.
10549 (tree_linear_transform): Ditto.
10550 (tree_ssa_loop_ivcanon): Ditto.
10551 (tree_ssa_empty_loop): Ditto.
10552 (tree_ssa_loop_bounds): Ditto.
10553 (tree_complete_unroll): Ditto.
10554 (tree_ssa_loop_prefetch): Ditto.
10555 (tree_ssa_loop_ivopts): Ditto.
10556 (tree_ssa_loop_done): Ditto.
10557 * predict.c (tree_estimate_probability): Ditto.
10558 * recog.c (split_all_insns_noflow): Ditto.
10559 (rest_of_handle_peephole2): Ditto.
10560 (rest_of_handle_split_all_insns): Ditto.
10561 * tree-eh.c (lower_eh_constructs): Ditto.
10562 * regmove.c (rest_of_handle_regmove): Ditto.
10563 (rest_of_handle_stack_adjustments): Ditto.
10564 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10565 * function.c (instantiate_virtual_regs): Ditto.
10566 (init_function_for_compilation): Ditto.
10567 (rest_of_handle_check_leaf_regs): Ditto.
10568 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10569 (rest_of_handle_gcse): Ditto.
10570 * ipa-type-escape.c (type_escape_execute): Ditto.
10571 * alias.c (rest_of_handle_cfg): Ditto.
10572 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10573 * profile.c (rest_of_handle_branch_prob): Ditto.
10574 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10575 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10576 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10577 * tree-dfa.c (find_referenced_vars): Ditto.
10578 * except.c (set_nothrow_function_flags): Ditto.
10579 (convert_to_eh_region_ranges): Ditto.
10580 (rest_of_handle_eh): Ditto.
10581 * emit-rtl.c (unshare_all_rtl): Ditto.
10582 (remove_unnecessary_notes): Ditto.
10583 * except.h (set_nothrow_function_flags): Ditto.
10584 (convert_to_eh_region_ranges): Ditto.
10585 * cfgexpand.c (tree_expand_cfg): Ditto.
10586 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10587 * tree-ssa-pre.c (do_pre): Ditto.
10588 (execute_fre): Ditto.
10589 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10590 (rest_of_handle_jump2): Ditto.
10591 * tree-sra.c (tree_sra): Ditto.
10592 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10593 (execute_mudflap_function_decls): Ditto.
10594 * tree-ssa-copy.c (do_copy_prop): Ditto.
10595 (do_store_copy_prop): Ditto.
10596 * ipa-prop.h (ipcp_driver): Ditto.
10597 * cfglayout.c (insn_locators_initialize): Ditto.
10598 * tree-ssa-forwprop.c
10599 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10600 * cfglayout.h (insn_locators_initialize): Ditto.
10601 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10602 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10603 (execute_late_warn_uninitialized): Ditto.
10604 * rtl.h (cleanup_barriers): Ditto.
10605 (split_all_insns_noflow): Ditto.
10606 (purge_line_number_notes): Ditto.
10607 (unshare_all_rtl): Ditto.
10608 (remove_unnecessary_notes): Ditto.
10609 (recompute_reg_usage): Ditto.
10610 (variable_tracking_main): Ditto.
10611 * integrate.c (emit_initial_value_sets): Ditto.
10612 * integrate.h (emit_initial_value_sets): Ditto.
10613 * tree-optimize.c (execute_free_datastructures): Ditto
10614 (execute_free_cfg_annotations): Ditto.
10615 (execute_fixup_cfg): Ditto.
10616 (execute_cleanup_cfg_pre_ipa): Ditto.
10617 (execute_cleanup_cfg_post_optimizing): Ditto.
10618 (execute_init_datastructures): Ditto.
10619 * tree-object-size.c (compute_object_sizes): Ditto.
10620 * combine.c (rest_of_handle_combine): Ditto.
10621 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10622 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10623 (rest_of_handle_reorder_blocks): Ditto.
10624 (rest_of_handle_partition_blocks): Ditto.
10625 * var-tracking.c (variable_tracking_main): Ditto.
10626 * tree-profile.c (tree_profiling): Ditto.
10627 * tree-vect-generic.c (expand_vector_operations): Ditto.
10628 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10629 * sched-rgn.c (rest_of_handle_sched): Ditto.
10630 (rest_of_handle_sched2): Ditto.
10631 * basic-block.h (free_bb_insn): Ditto.
10632 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10633 * tree-cfg.c (execute_build_cfg): Ditto.
10634 (remove_useless_stmts): Ditto.
10635 (split_critical_edges): Ditto.
10636 (execute_warn_function_return): Ditto.
10637 (execute_warn_function_noreturn): Ditto.
10638 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10639 * cfgrtl.c (free_bb_for_insn): Ditto.
10640 * passes.c (execute_one_pass): Run additional
10641 todos returned by execute function.
10642 * tree-pass.h (struct tree_opt_pass): Make execute
10645 2006-03-02 Richard Guenther <rguenther@suse.de>
10647 * tree-ssa-alias.c (find_used_portions): Consider taking
10648 the address as making the variable not write-only.
10650 2006-03-02 Nick Clifton <nickc@redhat.com>
10652 * config.gcc (default_use_cxa_atexit): Extend the description of
10653 this configure variable. Set its default value to "yes" for
10654 Linux, NetBSD and ELF targets on the assumption that they will
10655 use C libraries with the __cxa_atexit function.
10657 2006-03-02 Ben Elliston <bje@au.ibm.com>
10659 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10660 parameter as unused to suppress a build warning.
10662 2006-03-02 Ben Elliston <bje@au.ibm.com>
10664 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10667 2006-03-01 Roger Sayle <roger@eyesopen.com>
10670 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10671 declared name, the weak reference name, and the typeof name.
10672 (__gthrw): Avoid expanding the declared name suffix.
10673 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10675 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10677 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10679 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10680 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10681 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10682 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10683 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10684 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10685 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10686 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10687 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10688 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10689 (DW_END_default, DW_END_big, DW_END_little): New.
10690 (DW_END_lo_user, DW_END_hi_user): Define.
10691 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10692 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10693 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10696 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10698 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10700 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10702 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10704 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10706 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10707 to 'symbol_mem_tag'.
10709 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10712 2006-03-01 Roger Sayle <roger@eyesopen.com>
10714 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10716 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10719 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10720 MACHO_DYNAMIC_NO_PIC_P.
10721 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10723 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10726 * config/darwin-protos.h (darwin_asm_output_anchor):
10728 * config/darwin-sections.def (cstring_section):
10729 Add SECTION_MERGE to the flags.
10730 (literal4_section): Likewise.
10731 (literal8_section): Likewise.
10732 (objc_selector_refs_section): Likewise.
10733 (objc_cls_refs_section): Likewise.
10734 * config/darwin.c (darwin_asm_output_anchor): New
10736 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10738 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10740 Fix PR tree-optimization/26443
10741 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10742 to todo and PROP_tmt_usage to properties_destroyed.
10743 * tree-ssa-ccp.c (pass_ccp): Ditto.
10744 (pass_store_ccp): Ditto.
10745 * tree-ssa-dom.c (pass_dominator): Ditto.
10747 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10749 * tree-ssa-operands.c: Cleanup whitespace.
10750 (get_asm_expr_operands): Move before first invocation.
10751 (get_indirect_ref_operands): Likewise.
10752 (get_tmr_operands): Likewise.
10753 (get_call_expr_operands): Likewise.
10754 (append_def): Likewise.
10755 (append_use): Likewise.
10756 (append_v_may_def): Likewise.
10757 (append_v_must_def): Likewise.
10758 (add_call_clobber_ops): Likewise.
10759 (add_call_read_ops): Likewise.
10760 (add_stmt_operand): Likewise.
10761 (add_virtual_operand): Likewise.
10762 (build_ssa_operands): Likewise.
10764 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10766 PR middle-end/26022
10768 PR middle-end/24437
10769 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10770 with a call expr to ...
10771 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10773 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10775 * tree-vrp.c (extract_range_from_assert): Remove special
10776 handling for types with super-types.
10778 2006-03-01 Ben Elliston <bje@au.ibm.com>
10780 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10781 and powerpc64-*-linux* configurations.
10782 * config/t-dfprules: New file.
10784 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10785 Compile dfp-bit.c from the source directory using -DWIDTH and
10786 $DFP_CFLAGS to control the compilation of that file, rather than
10787 generating width-specific versions in the build directory.
10788 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10789 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10791 2006-02-28 Zack Weinberg <zackw@panix.com>
10793 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10796 2006-02-28 Eric Christopher <echristo@apple.com>
10798 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10799 Set up IN_LIBGCC definition of TARGET_64BIT.
10800 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10802 2006-02-28 Roger Sayle <roger@eyesopen.com>
10804 PR middle-end/14752
10805 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10806 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10807 cases via the construction of "expr != 0".
10809 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10811 * alias.c (alias_invariant, alias_invariant_size): Remove.
10812 (record_base_value): Remove.
10813 (memrefs_conflict_p): Don't look at alias_invariant.
10814 (end_alias_analysis): Don't free it.
10815 * alias.h (record_base_value): Remove prototype.
10817 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10818 Adam Nemet <anemet@caviumnetworks.com>
10820 * rtl.h (truncated_to_mode): Declare it.
10821 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10822 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10823 (RTL_HOOKS_INITIALIZER): Include it.
10824 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10825 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10826 reg_truncated_to_mode.
10827 * rtlanal.c (truncated_to_mode): Define it.
10828 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10830 2006-02-28 Jeff Law <law@redhat.com>
10832 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10833 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10834 the range allowed by TYPE_PRECISION.
10836 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10838 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10840 PR tree-optimization/26419
10841 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10844 2006-02-27 Zack Weinberg <zackw@panix.com>
10846 * doc/md.texi: Fix typo in previous change.
10848 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10852 2006-02-27 Zack Weinberg <zackw@panix.com>
10854 * rtl.def (define_constraint, define_register_constraint)
10855 (define_memory_constraint, define_address_constraint): New MD forms.
10856 * gensupport.c (process_rtx): Put define_constraint etc on the
10858 * genpreds.c (process_define_predicate): Adjust comment. Validate
10859 the name, and call validate_exp to validate the expression.
10860 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10861 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10862 all callers changed.
10863 (validate_exp, needs_variable, struct constraint_data)
10864 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10865 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10866 (const_dbl_constraints, constraint_max_namelen)
10867 (have_register_constraints, have_memory_constraints)
10868 (have_address_constraints, have_address_constraints)
10869 (have_extra_constraints, have_const_int_constraints)
10870 (have_const_dbl_constraints, mangle, add_constraint)
10871 (process_define_constraint, process_define_register_constraint)
10872 (write_enum_constraint_num, write_lookup_constraint)
10873 (write_insn_constraint_len, write_regclass_for_constraint)
10874 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10875 (write_insn_extra_memory_constraint)
10876 (write_insn_extra_address_constraint)
10877 (write_satisfies_constraint_fns): New.
10878 (write_tm_preds_h): If we have new-style constraint definitions,
10879 prototype the functions generated from them, and define the
10880 old constraint interface (still used by generic code) in terms of
10882 (write_insn_preds_c): If we have new-style constraint definitions,
10883 generate all relevant functions from those definitions.
10884 (main): Handle define_constraint etc.
10885 * genoutput.c (struct constraint_data, indep_constraints)
10886 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10887 (mdep_constraint_len): New data structures and functions, defined
10888 #ifdef USE_MD_CONSTRAINTS.
10889 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10890 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10891 use new logic to validate operand constraints against constraint
10893 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10895 * defaults.h: If none of the old-style constraint macros are
10896 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10897 old-style macros; and poison REG_CLASS_FROM_LETTER,
10898 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10900 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10901 * doc/md.texi: Document new constraint-definition mechanism and the
10902 C interface it provides. Remove references to old mechanism
10903 elsewhere in the document.
10904 (Machine Constraints): Use pathnames relative to gcc directory,
10905 i.e. config/ARCH/FILE. Change i386 section to refer to
10906 config/i386/predicates.md; update that section to match docstrings.
10907 * doc/tm.texi: Move all documentation of the old constraint-
10908 definition macros to their own section, clearly mark as obsolete.
10910 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10911 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10913 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10914 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10915 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10916 constraint strings.
10917 (splits and peepholes): Use satisfies_constraint_*.
10918 * config/i386/i386.c (memory_address_length)
10919 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10921 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10923 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10924 scalar operation to be put back into the loop.
10926 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10929 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10930 (extract_cie_info): Handle S flag in augmentation string.
10931 (execute_cfa_program): If context->signal_frame, execute also
10932 fs->pc == context->ra instructions.
10933 (uw_frame_state_for): If context->signal_frame, don't subtract one
10934 from context->ra to find FDE.
10935 (uw_update_context_1): Set context->signal_frame to
10937 (_Unwind_GetIPInfo): New function.
10938 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10939 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10941 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10942 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10943 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10944 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10945 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10946 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10947 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10948 x86_64_fallback_frame_state): Set fs->signal_frame.
10949 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10950 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10951 (frob_update_context): Likewise. Workaround missing S flag in
10952 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10953 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10954 Remove the psw_addr + 1 hack.
10956 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10958 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10959 with aggregates here.
10960 (find_func_aliases): Remove code for &<aggregate> from here.
10962 2006-02-26 Roger Sayle <roger@eyesopen.com>
10964 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10965 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10966 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10967 as (X & C) ne/eq 0.
10969 2006-02-26 Roger Sayle <roger@eyesopen.com>
10971 PR middle-end/19983
10972 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10974 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10976 * opts.c (decode_options): Do not handle flag_strength_reduce.
10977 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10978 and OPT_fstrength_reduce.
10979 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10980 flag_prefetch_loop_arrays for being nonzero.
10981 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10983 (fprefetch-loop-arrays-rtl): Removed.
10984 (flag_prefetch_loop_arrays): Do not specify the value.
10986 * doc/passes.texi: Update documentation of loop optimizer
10988 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10989 -frerun-loop-opt): Remove.
10991 2006-02-26 Richard Guenther <rguenther@suse.de>
10993 PR tree-optimization/26421
10994 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10995 in function calls that are ADDR_EXPRs as using the whole structure.
10997 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10999 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11000 * tree-pass.h (pass_loop_optimize): Remove.
11001 * passes.c (pass_loop_optimize): Never run it.
11002 * toplev.c (backend_init): Don't call init_loop.
11003 * opts.c (flag_loop_optimize_set): Remove.
11004 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11005 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11006 the old RTL loop optimizer when profiling enabled.
11007 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11008 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11009 pre-headers for the sake of the old RTL loop optimizer.
11010 * Makefile.in: Remove all references to loop.o.
11012 * doc/invoke.texi: Remove all references to -floop-optimize
11013 and -frerun-loop-opt.
11015 2006-02-26 Zack Weinberg <zackw@panix.com>
11017 * doc/md.texi (Machine Constraints): Refer to all files with paths
11018 relative to gcc directory (i.e. config/CPU/file). Add missing
11019 @table @code ... @end table to M32C subsection.
11021 2006-02-26 Roger Sayle <roger@eyesopen.com>
11023 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11025 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11027 2006-02-26 Roger Sayle <roger@eyesopen.com>
11028 James A. Morrison <phython@gcc.gnu.org>
11030 PR middle-end/21137
11031 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11032 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11033 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11034 signedness of the shift operation.
11036 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11038 PR tree-optimization/26359
11039 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11041 2006-02-25 Roger Sayle <roger@eyesopen.com>
11043 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11044 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11045 as X == 0, and some symmetry related transformations.
11046 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11048 2006-02-25 Roger Sayle <roger@eyesopen.com>
11050 PR middle-end/23673
11051 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11052 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11053 symmetry related transformations. Fold (X^C1) == C2 as
11056 2006-02-25 Juergen Weigert <jw@suse.de>
11057 Richard Guenther <rguenther@suse.de>
11059 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11061 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11063 * combine.c (gen_lowpart_or_truncate): Call
11064 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11066 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11068 * doc/invoke.texi: Move -fopenmp description to "Options for
11070 Remove reference to -lgomp.
11072 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11074 * doc/install.texi: Require GNU tar version 1.14.
11076 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11078 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11079 * doc/invoke.texi (C++ Dialect Options): Document
11080 -fno-use-cxa-get-exception-ptr.
11081 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11082 * configure: Regenerate.
11083 * c.opt (fuse-cxa-get-exception-ptr): New.
11084 * c-opts.c (c_common_handle_option): Handle
11085 OPT_fuse_cxa_get_exception_ptr.
11086 * c-common.c (flag_use_cxa_atexit): Update documentation.
11087 (flag_use_cxa_get_exception_ptr): New.
11088 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11089 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11091 (C_COMMON_OVERRIDE_OPTIONS): New.
11093 2006-02-24 Roger Sayle <roger@eyesopen.com>
11095 PR middle-end/24952
11096 * combine.c (try_combine): Explicitly check whether GET_CODE is
11097 a SET or a CLOBBER, instead on checking that it isn't a USE.
11099 2006-02-24 Roger Sayle <roger@eyesopen.com>
11101 * fold-const.c (fold_comparison): New subroutine of fold_binary
11102 containing transformations common to both the equality and
11103 ordering relational operators, factored out of fold_binary.
11104 (fold_binary): Separate out the equality operators (EQ_EXPR
11105 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11106 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11107 transformations common to both.
11108 (fold_div_compare): Fix latent bugs in the previously unreachable
11109 LT_EXPR and GE_EXPR cases.
11111 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11113 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11114 decl libname for clog to __clog on AIX.
11116 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11118 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11121 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11122 output traceback table for thunks. Localise rs6000_stack_info call.
11124 2006-02-23 Roger Sayle <roger@eyesopen.com>
11125 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11127 * gthr-posix.h (__gthrw): Fix typo in comment.
11129 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11131 * doc/cpp.texi (Character sets): Document that we do support
11132 input files to be in any character set.
11134 2006-02-23 Jeff Law <law@redhat.com>
11136 * tree.h (PHI_ARG_NONZERO): Remove.
11137 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11138 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11139 node to the new node.
11141 PR tree-optimization/26425
11142 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11143 min/max, then assume its varying.
11145 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11147 PR rtl-optimization/26316
11148 * rtlanal.c (enum may_trap_p_flags): New.
11149 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11150 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11151 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11152 (may_trap_after_code_motion_p): New function.
11153 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11154 (find_invariant_insn): Use may_trap_after_code_motion_p.
11155 * rtl.h (may_trap_after_code_motion_p): Declare.
11157 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11159 * emit-rtl.c (immed_double_const): Cleanup.
11161 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11163 Fix PR tree-optimization/26376
11164 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11167 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11169 PR middle-end/26412
11170 * gimplify.c (omp_add_variable): Guard variable size decl test with
11171 DECL_SIZE (decl) check.
11173 2006-02-23 Richard Guenther <rguenther@suse.de>
11175 PR middle-end/26439
11176 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11177 like aggregate types.
11179 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11181 * configure.ac: Add --with{,out}-long-double-128 configure option.
11182 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11183 * configure: Rebuilt.
11184 * config.in: Rebuilt.
11185 * doc/install.texi (Options specification): Document
11186 --with-long-double-128.
11188 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11189 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11190 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11191 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11193 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11195 * config/s390/s390.c (override_options): Handle
11196 TARGET_DEFAULT_LONG_DOUBLE_128.
11198 * config/alpha/alpha.c (override_options): Handle
11199 TARGET_DEFAULT_LONG_DOUBLE_128.
11201 * config/sparc/sparc.c (sparc_override_options): Handle
11202 TARGET_DEFAULT_LONG_DOUBLE_128.
11204 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11206 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11207 (real-install-headers-tar, real-install-headers-cpio)
11208 (real-install-headers-cp): New targets.
11210 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11212 * tree.h (variable_section): Delete.
11213 * varasm.c (variable_section): Delete.
11215 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11217 * install.texi: Add notes on install.texi2html.
11218 (Building in parallel): Do not use footnotes.
11220 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11223 * doc/install.texi (Configuration): Document --disable-libgomp.
11225 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11227 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11229 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11231 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11232 (vec_extractv2df_0_sse): New.
11234 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11236 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11237 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11238 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11239 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11240 to the result of the expression.
11241 (def_cfa_1): Adjust.
11242 (frame_pointer_cfa_offset): Rename to...
11243 (frame_pointer_fb_offset): ... this. Adjust all uses.
11244 (convert_cfa_to_loc_list): Rename to...
11245 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11246 Pass it on to build_cfa_loc.
11247 (compute_frame_pointer_to_cfa_displacement): Rename to...
11248 (compute_frame_pointer_to_fb_displacement): ... this. New
11249 offset parameter. Use it in computation.
11250 (gen_subprogram_die): Compute cfa_fb_offset with the new
11251 macro, and use it to compute the fb loc list and the
11254 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11256 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11257 replaced with register_operand.
11258 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11259 non-DREG is expensive.
11260 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11261 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11264 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11266 * doc/install.texi2html: Use set -e.
11268 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11270 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11271 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11272 * doc/invoke.texi (-fshared-data): Delete.
11273 * common.opt (fshared-data): Delete.
11274 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11275 (assemble_static_space): Remove #if 0 code.
11276 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11277 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11278 * config/cris/cris.h: Remove FIXME.
11280 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11282 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11285 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11287 PR middle-end/26379
11288 * combine.c (simplify_shift_const_1): Disable nested shifts
11289 optimization for vector shifts.
11291 2006-02-20 Roger Sayle <roger@eyesopen.com>
11293 PR tree-optimization/26361
11294 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11295 of unsigned integer types.
11297 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11299 * tree-chrec.c (eq_evolutions_p): New.
11300 * tree-chrec.h (eq_evolutions_p): Declared.
11301 * tree-data-ref.c: Fix formatting.
11302 (datadep_stats, dependence_stats): New.
11304 (print_direction_vector): New.
11305 (dump_data_dependence_relation): Use print_direction_vector.
11306 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11307 (compute_subscript_distance): Static.
11308 (initialize_data_dependence_relation): Static. Get the number
11309 of loops surrounding the references from the callers, and initialize
11310 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11311 base_object_differ_p analyzers.
11312 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11313 compute_overlap_steps_for_affine_1_2,
11314 analyze_subscript_affine_affine): Count the classified dependences.
11315 Print a message when a test failed.
11316 (can_use_analyze_subscript_affine_affine): New.
11317 (analyze_siv_subscript): Compute the data dependences on symbolic
11318 scevs that verify can_use_analyze_subscript_affine_affine.
11319 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11320 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11321 Handle symbolic scevs.
11322 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11324 (subscript_dependence_tester): Moved...
11325 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11326 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11327 DDR_SIZE_VECT instead of getting it in parameter.
11328 (subscript_dependence_tester): ... here. Take as a parameter
11329 loop_nest_depth. Call build_classic_dist_vector and
11330 build_classic_dir_vector.
11331 (compute_affine_dependence): Update subscript_dependence_tester
11332 parameters. Update datadep_stats counters. Call
11333 compute_subscript_distance.
11334 (compute_self_dependence): Save the dist and dir vectors. Call
11335 compute_subscript_distance.
11336 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11337 (compute_all_dependences): Reorder parameters as they were before
11338 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11339 compute_subscript_distance. Update the use of
11340 compute_affine_dependence and initialize_data_dependence_relation.
11341 (find_data_references_in_loop): Handle COMPONENT_REF.
11342 (compute_data_dependences_for_loop): Initialize dependence_stats.
11343 Don't call build_classic_dist_vector and build_classic_dir_vector.
11344 Update the parameters of initialize_data_dependence_relation and
11345 compute_all_dependences. Print the statistics from datadep_stats.
11346 (analyze_all_data_dependences): Static. Not used until the pass for
11347 checking the data dependences is contributed.
11348 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11349 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11350 (initialize_data_dependence_relation, compute_affine_dependence,
11351 analyze_all_data_dependences, compute_subscript_distance): Removed.
11352 (print_direction_vector): New.
11353 * lambda.h (gcd): ... here.
11354 (lambda_vector_gcd): Moved here from gcd_vector.
11355 * lambda-code.c (gcd, gcd_vector): Removed.
11356 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11357 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11359 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11361 * ipa-type-escape.c: Tidy some comments and white space.
11362 * tree-ssa-operands.c: Likewise.
11364 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11367 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11368 (dump_decl_name): Do not walk the decl tree chains.
11369 * tree-pass.h (TDF_CHAIN): Remove.
11371 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11373 * Makefile.in (C): Remove
11375 (.PHONY): Remove C and PROTO
11377 2006-02-20 Roger Sayle <roger@eyesopen.com>
11379 PR middle-end/26236
11380 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11381 deprecated CHAR_TYPE tree code.
11383 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11385 * configure.ac (target_list): Add install-info, dvi, html.
11386 * configure: Regenerate.
11388 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11389 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11390 treelang/Make-lang.in: Do not use double-colon rules.
11392 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11394 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11395 (TMT_USED_ALONE): New macro.
11396 * tree-pass.h (PROP_tmt_usage): New property.
11397 (TODO_update_tmt_usage): New todo.
11398 * tree-ssa-alias.c (updating_used_alone): New variable.
11399 (recalculate_used_alone): New function.
11400 (compute_may_aliases): Set updating_used_alone, call
11401 recalculate_used_alone.
11402 * tree-sra.c (pass_sra): Note that this pass destroys
11403 PROP_tmt_usage, and add TODO_update_tmt_usage.
11404 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11405 * tree-flow.h (updating_used_alone): Prototype.
11406 (recalculate_used_alone): Ditto.
11407 * passes.c (execute_todo): Add code to set updating_used_alone,
11408 and call recalculate.
11409 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11410 for clobber if used alone, and add assert to verify used_alone
11413 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11415 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11416 for non tls symbols added.
11417 (legitimize_address): Do nothing for PLUS expressions if one of the
11418 addends is a tls symbol reference.
11420 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11424 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11426 * Makefile.in (BOOTSTRAPPING): New.
11427 (quickstrap): New definition if BOOTSTRAPPING=yes.
11429 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11430 * configure.ac: Substitute all_selected_languages with the languages
11431 that were configured. For all the other variables except
11432 lang_specs_files, include all the languages in the tree.
11433 * configure: Regenerate.
11435 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11436 if there is one. Run the commands to run fixincludes in the same
11439 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11440 * doc/install.texi: Document exact conventions for searching target tools.
11441 Document --with-build-time-tools. Document toplevel bootstrap. Document
11442 something more about building an Ada cross-compiler. Don't list GNU Make
11443 requirements which affect all platforms.
11445 2006-02-19 Roger Sayle <roger@eyesopen.com>
11447 PR middle-end/19543
11448 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11449 only equivalent if the have both the same mode and precision.
11451 2006-02-20 Ben Elliston <bje@au.ibm.com>
11453 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11455 2006-02-19 Roger Sayle <roger@eyesopen.com>
11456 Steven Bosscher <stevenb.gcc@gmail.com>
11458 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11459 constant pool references to identify stack mode constants.
11460 * rtlanal.c (constant_pool_constant_p): New predicate to check
11461 whether operand is a floating point constant in the pool.
11462 * rtl.h (constant_pool_constant_p): Prototype here.
11463 * loop.c (scan_loop): Avoid hoisting constants from the constant
11464 pool on STACK_REGS targets.
11465 (load_mems): Likewise.
11466 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11467 loads into x87 registers expensive in terms of register pressure.
11469 2006-02-19 Roger Sayle <roger@eyesopen.com>
11471 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11472 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11474 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11476 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11477 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11479 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11481 * doc/invoke.texi: Document -fipa-pta.
11482 * common.opt: Add ipa-pta option.
11483 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11484 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11485 (do_ds_constraint): Ditto.
11486 (get_constraint_for): Only add to referenced_vars if
11487 referenced_vars exists.
11488 (insert_into_field_list): Rewrite to do this unsorted.
11489 (insert_into_field_list_sorted): Rename old insert_into_field_list
11491 (create_function_info_for): Use insert_into_field_list_sorted.
11492 (create_variable_info_for): Rewrite so it uses unsorted version,
11493 since the field list is sorted.
11494 (intra_create_variable_infos): Only add to referenced_vars if
11495 referenced_vars exists.
11496 (ipa_pta_execute): Init heapvars, and delete when done.
11497 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11499 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11501 * doc/install.texi: Add missing `@samp'.
11503 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11505 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11508 2006-02-18 Mark Wielaard <mark@klomp.org>
11510 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11511 who added new 4.1 features, bug fixes and integration support.
11513 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11516 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11517 MEM for ABI_V4 pic.
11519 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11521 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11522 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11523 (copy_insn_1): Likewise. Don't copy each field individually.
11525 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11527 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11528 * rtl.c (rtx_size): Rename variable to...
11529 (rtx_code_size): ...this.
11530 (rtx_size): New function.
11531 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11532 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11534 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11535 * rtl.h (rtx_code_size): New variable.
11536 (rtx_size): Change from a variable to a function.
11537 (RTX_SIZE): Rename to...
11538 (RTX_CODE_SIZE): ...this.
11541 PR tree-optimization/17106
11542 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11543 (Anchored Addresses): New section.
11544 * doc/invoke.texi (-fsection-anchors): Document.
11545 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11546 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11547 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11548 * hooks.c (hook_bool_mode_rtx_false): New function.
11549 * hooks.h (hook_bool_mode_rtx_false): Declare.
11550 * gengtype.c (create_optional_field): New function.
11551 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11552 SYMBOL_REF_IN_BLOCK_P is true.
11553 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11554 (min_anchor_offset, max_anchor_offset): Likewise.
11555 (use_anchors_for_symbol_p): New hook.
11556 * toplev.c (compile_file): Call output_object_blocks.
11557 (target_supports_section_anchors_p): New function.
11558 (process_options): Check that -fsection-anchors is only used on
11559 targets that support it and when -funit-at-a-time is in effect.
11560 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11561 if the decl doesn't have one.
11562 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11563 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11564 of force_const_mem through use_anchored_address.
11565 (expand_expr_constant): New function.
11566 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11567 calling expand_expr for INDIRECT_REF.
11568 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11569 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11570 * expr.h (use_anchored_address): Declare.
11571 * loop-unroll.c: Don't declare rtx vectors here.
11572 * explow.c: Include output.h.
11573 (validize_mem): Call use_anchored_address.
11574 (use_anchored_address): New function.
11575 * common.opt (-fsection-anchors): New switch.
11576 * varasm.c (object_block_htab, anchor_labelno): New variables.
11577 (hash_section, object_block_entry_eq, object_block_entry_hash)
11578 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11579 (use_blocks_for_decl_p, change_symbol_section): New functions.
11580 (get_variable_section): New function, split out from assemble_variable.
11581 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11582 use_blocks_for_decl_p say so. Use change_symbol_section if the
11583 symbol has already been created.
11584 (assemble_variable_contents): New function, split out from...
11585 (assemble_variable): ...here. Don't output any code for
11586 block symbols; just pass them to place_block_symbol.
11587 Use get_variable_section and assemble_variable_contents.
11588 (get_constant_alignment, get_constant_section, get_constant_size): New
11589 functions, split from output_constant_def_contents.
11590 (build_constant_desc): Create a block symbol if use_object_blocks_p
11591 says so. Or into SYMBOL_REF_FLAGS.
11592 (assemble_constant_contents): New function, split from...
11593 (output_constant_def_contents): ...here. Don't output any code
11594 for block symbols; just pass them to place_section_symbol.
11595 Use get_constant_section and get_constant_alignment.
11596 (force_const_mem): Create a block symbol if use_object_blocks_p and
11597 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11598 (output_constant_pool_1): Add an explicit alignment argument.
11599 Don't switch sections here.
11600 (output_constant_pool): Adjust call to output_constant_pool_1.
11601 Switch sections here instead. Don't output anything for block symbols;
11602 just pass them to place_block_symbol.
11603 (init_varasm_once): Initialize object_block_htab.
11604 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11605 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11606 (place_block_symbol, get_section_anchor, output_object_block)
11607 (output_object_block_htab, output_object_blocks): New functions.
11608 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11609 (TARGET_ASM_OUT): Include it.
11610 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11611 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11612 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11613 (TARGET_INITIALIZER): Include them.
11614 * rtl.c (rtl_check_failed_block_symbol): New function.
11615 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11616 (block_symbol, object_block): New structures.
11617 (rtx_def): Add a block_symbol field to the union.
11618 (BLOCK_SYMBOL_CHECK): New macro.
11619 (rtl_check_failed_block_symbol): Declare.
11620 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11621 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11622 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11623 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11624 * output.h (output_section_symbols): Declare.
11625 (object_block): Name structure.
11626 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11627 (default_use_anchors_for_symbol_p): Declare.
11628 * Makefile.in (RTL_BASE_H): Add vec.h.
11629 (explow.o): Depend on output.h.
11630 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11631 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11632 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11633 (rs6000_use_blocks_for_constant_p): New function.
11635 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11637 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11639 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11642 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11645 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11647 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11651 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11653 PR middle-end/26334
11654 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11655 instead of DECL_REGISTER.
11657 2006-02-18 Olivier Hainque <hainque@adacore.com>
11660 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11662 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11665 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11666 * opth-gen.awk: Handle Var and InverseMask together.
11667 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11668 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11669 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11670 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11672 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11673 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11674 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11675 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11676 LINUX_DYNAMIC_LINKER): Define.
11677 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11678 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11680 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11681 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11682 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11683 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11684 (TARGET_C99_FUNCTIONS): Don't define.
11685 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11686 GLIBC_DYNAMIC_LINKER.
11687 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11688 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11689 GLIBC_DYNAMIC_LINKER64): Define.
11690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11691 LINUX_DYNAMIC_LINKER64.
11692 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11694 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11695 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11696 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11697 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11698 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11699 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11700 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11701 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11702 and LINUX_DYNAMIC_LINKER32.
11703 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11704 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11705 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11706 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11707 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11709 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11710 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11711 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11712 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11713 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11714 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11715 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11716 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11717 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11718 LINUX_DYNAMIC_LINKER): Define.
11719 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11720 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11721 GLIBC_DYNAMIC_LINKER64): Define.
11722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11723 LINUX_DYNAMIC_LINKER64.
11724 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11725 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11726 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11727 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11728 LINUX_DYNAMIC_LINKER): Define.
11729 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11730 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11731 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11732 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11733 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11734 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11735 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11736 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11737 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11738 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11740 * doc/invoke.texi (-muclibc): Remove caveat about supported
11743 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11745 * doc/cpp.texi (__TIMESTAMP__): Document.
11747 2006-02-17 Roger Sayle <roger@eyesopen.com>
11749 PR middle-end/25600
11750 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11751 C is one less than the width of X (and related transformations).
11752 * simplify-rtx.c (simplify_unary_operation_1): Transform
11753 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11754 depending on STORE_FLAG_VALUE, were C is one less then the
11757 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11759 Fix PR tree-optimization/26341
11760 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11761 about NAME_MEMORY_TAG's.
11763 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11766 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11767 with hardware float support, and software float support. Add fcpy
11768 alternative to hardware patterns. Add alternatives to copy between
11769 general and floating-point registers to the 32-bit pattern.
11770 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11771 secondary reload to load a QI or HI mode constant into a floating
11773 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11774 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11776 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11779 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11781 (load_macho_picbase_di): Likewise.
11783 2006-02-16 Jeff Law <law@redhat.com>
11785 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11786 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11787 (ssa_name_nonzero_p): Likewise.
11788 (get_value_range): Return NULL if VRP is not running.
11789 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11790 VRP routines do not discover a range.
11791 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11792 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11793 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11794 (tree_expr_nonnegative_p): Similarly.
11795 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11796 (restore_nonzero_vars_to_original_value): Remove.
11797 (unsafe_associative_fp_binop): Remove.
11798 (tree_ssa_dominator_optimize): Remove initialization and
11799 finalization of nonzero_vars and nonzero_vars_stack.
11800 (dom_opt_initialize_block): No longer push marker on
11801 nonzero_vars_stack.
11802 (dom_opt_finalize_block): No longer call
11803 restore_nonzero_vars_to_original_value.
11804 (record_equivalences_from_phis): No longer look for
11805 nonzero PHI arguments.
11806 (cprop_into_successor_phis): No longer propagate nonzero
11807 property into PHI arguments. Lose unused argument. Caller
11809 (record_equivalences_from_stmt): No longer record nonzero
11810 values for SSA_NAMEs.
11811 (lookup_avail_expr): No longer use nonzero_vars.
11813 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11814 for sizetype when sizetype is unsigned.
11816 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11818 PR rtl-optimization/25603
11819 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11820 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11821 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11822 with new meaning of SETS.
11824 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11829 * config/linux.opt: New file.
11830 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11831 LINUX_DYNAMIC_LINKER): Define.
11832 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11833 * config.gcc (*-*-linux*): Define extra_options.
11834 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11835 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11836 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11837 GLIBC_DYNAMIC_LINKER.
11838 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11839 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11840 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11842 * doc/invoke.texi (GNU/Linux Options): New section.
11844 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11846 * config/sparc/sparc.md (setjmp): Rewrite.
11847 (setjmp_32): Delete.
11848 (setjmp_64): Likewise.
11850 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11852 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11855 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11857 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11860 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11862 PR rtl-optimization/26296
11863 * Makefile.in (loop-invariant.c): Add except.h dependency.
11864 * loop-invariant.c: Include except.h.
11865 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11867 2005-02-16 Paul Brook <paul@codesourcery.com>
11869 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11872 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11874 PR rtl-optimization/25636
11875 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11876 when deciding whether an insn is an initializing insn.
11878 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11880 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11881 (tree_code_size): Ditto.
11882 * tree.h (struct tree_memory_tag): Remove parent_var.
11883 (struct tree_struct_field_tag): New.
11886 (union tree_node): Add sft member.
11887 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11889 (create_sft): Add size and offset argument, set SFT_OFFSET and
11891 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11892 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11893 * tree-flow-inline.h (get_subvar_at): Update for
11894 SFT_OFFSET/SFT_SIZE.
11895 (var_can_have_subvars): Ditto.
11896 (overlap_subvar): Ditto.
11897 * print-tree.c (print_node): Print out interesting things for
11899 * tree-flow.h (struct subvar): Remove offset and size members.
11900 * tree-ssa-operands.c (get_expr_operands): Update for
11901 get_indirect_ref_operands changes.
11902 (get_indirect_ref_operands): Call add_virtual_operand instead of
11903 add_stmt_operand. Only recurse on base var if requested.
11904 (access_can_touch_variable): New function.
11905 (add_stmt_operand): Split virtual operand handling into ...
11906 (add_virtual_operand): Here. Add offset, size, and for_clobber
11907 arguments. Prune alias sets.
11908 (add_call_clobber_ops): Call add_virtual_operand.
11910 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11912 PR middle-end/26300
11913 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11915 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11916 than TREE_CODE as index into omp_clause_num_ops array.
11918 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11920 PR rtl-optimization/26184
11921 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11923 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11924 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11925 must_precede, must_follow and tobe_scheduled.
11928 * opts.c (common_handle_option): Free new_option pointer.
11929 * df-core.c (df_analyze): Free postorder pointer.
11931 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11933 * Makefile.in: Fix the examples about the use of stamps
11935 2006-02-15 Michael Matz <matz@suse.de>
11937 PR middle-end/22275
11939 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11940 influenced by maximum_field_alignment or DECL_PACKED.
11941 (update_alignment_for_field): Ditto.
11942 (place_field): Ditto.
11943 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11946 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11948 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11949 (debug_flow_info): Pass it.
11950 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11951 * bb-reorder.c (reorder_basic_blocks): Likewise.
11952 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11953 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11954 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11955 * gcse.c (gcse_main, bypass_jumps): Likewise.
11956 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11957 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11958 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11959 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11960 * rtl.h (dump_flow_info): Adjust prototype.
11961 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11962 * var-tracking.c (variable_tracking_main): Likewise.
11963 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11964 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11967 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11969 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11972 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11974 PR tree-optimization/26209
11975 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11976 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11978 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11980 2006-02-14 Roger Sayle <roger@eyesopen.com>
11982 PR middle-end/23670
11983 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11984 (X,Y) and the corresponding symmetry related transformations.
11985 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11986 (X,Y) and its symmetry related transformations.
11988 2006-02-14 Roger Sayle <roger@eyesopen.com>
11990 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11993 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11995 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11997 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12000 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12001 support COMDAT group.
12002 * configure: Regenerate.
12004 2006-02-14 Roger Sayle <roger@eyesopen.com>
12006 PR middle-end/26279
12007 PR middle-end/26280
12008 PR middle-end/26283
12009 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12011 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12013 Fix PR tree-optimization/26260
12015 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12017 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12018 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12019 * tree-ssa-structalias.c (create_variable_info_for): Use
12020 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12022 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12024 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12026 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12027 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12028 of the ending condition.
12029 * tree-ssa-loop-manip.c: Include params.h.
12030 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12031 tree_unroll_loop): New functions.
12032 * tree-pass.h (pass_loop_prefetch): Declare.
12033 * loop.c (rest_of_handle_loop_optimize): Test for
12034 -fprefetch-loop-arrays-rtl.
12035 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12036 * timevar.def (TV_TREE_PREFETCH): New timevar.
12037 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12038 pass_loop_prefetch): New.
12039 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12040 (cleanup_tree_cfg_loop): Call scev_reset.
12041 * common.opt (fprefetch-loop-arrays-rtl): Add.
12042 * tree-ssa-loop-prefetch.c: New file.
12043 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12044 (new_temp_expr_table): Initialize expr_vars.
12045 (free_temp_expr_table): Cleanup expr_vars.
12046 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12047 expressions from being merged into one.
12048 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12049 (struct tree_niter_desc): Add control, bound and cmp fields.
12050 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12052 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12053 (tree-cfgcleanup.o): Add SCEV_H dependency.
12054 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12055 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12057 2006-02-14 Richard Guenther <rguenther@suse.de>
12059 PR tree-optimization/26258
12060 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12061 in PHI argument processing.
12063 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12065 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12066 new expression in the requested machine mode.
12068 2006-02-13 Roger Sayle <roger@eyesopen.com>
12070 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12071 directly, instead let do_compare_rtx_and_jump handle this for us.
12072 * expr.c (expand_expr_real_1): Likewise.
12073 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12074 before do_jump_by_parts_greater.
12075 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12076 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12078 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12080 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12082 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12084 PR rtl-optimization/26235
12085 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12086 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12089 2006-02-13 Jeff Law <law@redhat.com>
12091 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12094 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12096 PR middle-end/26092
12097 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12098 twice if decl is a builtin. When trying again, call get_callee_fndecl
12099 first to verify it is still a builtin.
12101 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12103 * dwarf2out.c (base_type_die): Don't add AT_name here.
12104 (subrange_type_die): Don't add AT_name here.
12105 (modified_type_die): Rearrange code flow. Do add AT_name here.
12107 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12109 PR rtl-optimization/26247
12110 PR rtl-optimization/26248
12111 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12113 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12115 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12116 * config/fixtfdi.c: Likewise.
12117 * config/fixunstfdi.c: Likewise.
12118 * config/floatditf.c: Likewise.
12120 2006-02-13 Roger Sayle <roger@eyesopen.com>
12122 PR middle-end/24427
12123 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12124 into (X,C2) if C1 is a subset of the bits of C2. Transform
12125 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12127 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12129 2006-02-13 Josh Conner <jconner@apple.com>
12132 * varasm.c (function_section): Check for section name before
12133 calling select_section on targets that define
12134 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12135 unlikely_text_section instead of hot_function_section if
12136 first_function_block_is_cold.
12138 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12140 PR middle-end/25335
12141 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12143 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12145 PR rtl-optimization/26222
12146 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12147 after tree->rtl expansion.
12148 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12149 before passing it to emit_move_insn.
12151 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12153 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12155 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12156 Clarify documentation.
12157 * c-common.h (warn_write_strings): Remove.
12158 * c-common.c (warn_write_strings): Likewise.
12159 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12162 2006-02-12 Roger Sayle <roger@eyesopen.com>
12164 PR middle-end/25724
12165 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12166 (do_jump_parts_zero_rtx): New function renamed from
12167 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12168 (do_jump_parts_equality_rtx): New function split out from
12169 do_jump_parts_equality. Old implementation renamed as above.
12170 Call do_jump_parts_zero_rtx if either operand is zero.
12171 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12172 do all of the heavy lifting.
12173 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12174 calling either do_jump_by_parts_greater_rtx or
12175 do_jump_by_parts_equality_rtx.
12176 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12177 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12178 moved to do_compare_rtx_and_jump, call it directly.
12179 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12180 mode argument. Call do_compare_rtx_and_jump.
12181 (emit_case_nodes): Update calls to do_jump_if_equal.
12183 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12185 PR rtl-optimization/26225
12186 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12188 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12190 PR rtl-optimization/26232
12191 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12193 2006-02-11 Jason Merrill <jason@redhat.com>
12196 * tree-inline.c (declare_return_variable): Just don't use the
12197 modify target if it's a gimple complex reg and the return slot
12200 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12202 * doc/contrib.texi: Update my entry.
12204 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12206 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12208 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12210 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12213 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12215 * doc/invoke.texi (-floop-optimize2): Removed.
12216 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12217 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12218 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12219 * common.opt (floop-optimize2): Removed.
12220 (fmove-loop-invariants): Enabled by default.
12222 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12224 * tree-if-conv.c (combine_blocks): Free the result of
12225 get_loop_exit_edges.
12227 2006-02-10 Jeff Law <law@redhat.com>
12229 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12231 PR tree-optimization/26213
12232 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12233 loop trying to follow SSA_NAME_VALUE chains.
12235 2006-02-10 Richard Guenther <rguenther@suse.de>
12237 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12238 deal with structures that end in implicitly variable sized arrays.
12240 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12242 PR rtl-optimization/24762
12243 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12246 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12248 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12249 (struct ivopts_data): Add regs_used field.
12250 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12251 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12252 instead of loop_data->regs_used;
12253 (free_loop_data): Do not free aux fields for loops.
12254 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12255 and tree_ssa_iv_optimize_finalize.
12257 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12259 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12261 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12264 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12265 computing the effective result type.
12267 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12269 PR inline-asm/16194
12270 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12271 (tree_overlaps_hard_reg_set): Declare.
12272 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12273 type and signature to match function type expected by walk_tree.
12274 (tree_overlaps_hard_reg_set): New function.
12275 (decl_conflicts_with_clobbers_p): Rename to:
12276 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12277 Use tree_overlaps_hard_reg_set. Changed caller.
12278 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12279 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12280 * cris.c (cris_md_asm_clobbers): Likewise.
12282 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12284 * reload1.c (emit_input_reload_insns): Delete code that tries to
12285 inherit using find_equiv_reg.
12287 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12289 * c-common.h (flag_const_strings): Don't declare.
12290 * c-common.c (flag_const_strings): Remove.
12291 * c.opt (fconst_strings): Remove.
12292 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12293 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12294 (c_common_init_options): Don't set flag_const_strings.
12295 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12297 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12299 * arm.md (tlobits_cbranch): New pattern.
12300 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12301 testing a single bit.
12303 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12306 * tree-ssa-pre.c (create_component_ref_by_pieces):
12307 Handle RETURN_DECL like VAR_DECL.
12309 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12311 PR middle-end/26134
12312 * fold-const.c (fold_indirect_ref_1): Fold
12313 "*(foo *)&complexfoo" to "__real__ complexfoo"
12314 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12316 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12318 * tree-flow-inline.h (var_can_have_subvars):
12319 Volatile variables should not have subvariables.
12321 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12324 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12325 multiplying unsigned values.
12328 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12330 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12332 2006-02-08 Jason Merrill <jason@redhat.com>
12335 * tree.def: Elaborate on difference from MODIFY_EXPR.
12336 * doc/c-tree.texi (INIT_EXPR): Likewise.
12337 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12338 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12339 (gimplify_target_expr): Likewise.
12340 (gimplify_cond_expr): Remove target handling.
12341 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12342 (gimplify_expr): Clobber it here.
12343 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12344 Do return slot optimization if we have an INIT_EXPR.
12347 * tree-inline.c (declare_return_variable): Also clear
12348 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12351 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12353 PR middle-end/22439
12354 * gimplify.c (gimplify_one_sizepos): Fix typo.
12356 2006-02-08 Jeff Law <law@redhat.com>
12358 PR tree-optimization/21417
12359 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12360 across a backedge if the control statement at the end of the
12361 block is data dependent on other statements in the same block.
12362 (record_temporary_equivalences_from_stmts): Remove over-conservative
12363 test for threading across backedges.
12365 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12366 control statement, handle all three special cases in the same
12367 manner as they all have the same desired solution. No longer
12368 special case edge flag updating when the post dominator is
12371 2006-02-08 Roger Sayle <roger@eyesopen.com>
12373 * tree.def (CHAR_TYPE): Remove.
12374 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12375 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12376 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12377 (gen_string_type_die): Delete unreachable function.
12379 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12380 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12381 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12382 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12383 * builtins.c (type_to_class): Likewise.
12384 * fold-const.c (fold_convert, build_range_check,
12385 merge_ranges): Likewise.
12386 * expr.c (count_type_elements): Likewise.
12387 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12388 * stor-layout.c (layout_type): Likewise.
12389 * ipa-type-escape.c (type_to_consider): Likewise.
12390 * gimplify.c (omp_firstprivatize_type_sizes,
12391 gimplify_type_sizes): Likewise.
12392 * explow.c (promote_mode): Likewise.
12393 * tree-sra.c (is_sra_scalar_type): Likewise.
12394 * varasm.c (output_constant): Likewise.
12395 * tree-inline.c (remap_type_1): Likewise.
12396 * convert.c (convert_to_pointer, convert_to_real,
12397 convert_to_integer, convert_to_complex): Likewise.
12399 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12401 * df-scan.c (df_def_record_1): A set destination may
12402 be a parallel regardless of mode.
12404 2006-02-08 Roger Sayle <roger@eyesopen.com>
12407 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12408 * config/mips/_tilib.c: Remove.
12409 * config/fixtfdi.c: New libgcc source file.
12410 * config/fixunstfdi.c: New source file.
12411 * config/floatditf.c: New source file.
12412 * config/floatunditf.c: New souce file.
12413 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12414 files above instead of config/mips/_tilib.c.
12415 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12417 2006-02-08 Jeff Law <law@redhat.com>
12419 PR tree-optimization/26169
12420 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12423 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12425 * df.h (DF_REG_SIZE): Return the length of the initialized
12428 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12430 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12431 __muldf3): Return a correctly signed zero.
12433 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12435 * passes.c (register_one_dump_file): Accept the current properties
12436 instead of pass number. Adjust call to dump_register. Remove
12438 (register_dump_files): Now a wrapper around...
12439 (register_dump_files_1): ... this one. Do not modify the pass
12441 (next_pass_1): Cosmetic fix.
12442 (execute_todo): Keep second parameter only. Use curr_properties
12443 instead of fetching it from the pass structure. Check and set
12445 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12446 instead of fetching it from the pass structure. Fix calls to
12447 execute_todo. Update curr_properties and initialize .vcg RTL dump
12448 after running the pass. Reset last_verified.
12449 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12451 (FIRST_AUTO_NUMBERED_DUMP): New.
12452 (dump_register): Remove "num" parameter, assign it within the
12454 (get_dump_file_name): Modify template for dumps.
12455 * tree-dump.h (dump_register): Adjust prototype.
12456 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12457 (PROP_trees): Add PROP_gimple_lomp.
12458 (TODO_set_props): New.
12459 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12460 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12461 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12463 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12465 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12466 (sparc64-*-linux*): Likewise.
12467 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12468 * config/sparc/t-linux: New file.
12469 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12470 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12471 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12472 -m32 -mlong-double-128.
12474 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12475 * config/alpha/t-linux: New file.
12476 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12478 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12479 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12480 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12481 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12482 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12483 (CPP_ARCH32_SPEC): Remove.
12485 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12487 PR tree-optimization/26145
12488 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12491 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12494 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12495 >= 240000 when generating code for SOM runtime.
12496 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12497 to $$dyncall when generating code for SOM runtime..
12499 2006-02-07 Dirk Mueller <dmueller@suse.com>
12502 * doc/invoke.texi (-Wsequence-point): Update documentation
12503 that -Wsequence-point is implemented for C++ as well.
12505 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12507 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12508 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12509 (LIB_SPEC): Likewise.
12510 * doc/invoke.texi (SPARC options): Document -pthread.
12512 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12514 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12517 2006-02-07 Roger Sayle <roger@eyesopen.com>
12519 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12520 Correct comment describing BOOLEAN_TYPE.
12522 2006-02-07 Dirk Mueller <dmueller@suse.com>
12524 * c.opt: C++ frontend supports -Wdiv-by-zero.
12525 * c-opts.c (c_common_handle_option): Remove dead case.
12527 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12529 * configure.ac (TLS assembler check): Do not enable TLS by
12530 default on SPARC/Solaris before version 10.
12531 * configure: Regenerate.
12533 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12535 * doc/invoke.texi (xl-compat): Document conversion and support
12538 2006-02-07 Jeff Law <law@redhat.com>
12540 * tree-vrp.c (find_conditional_asserts): Update comments.
12541 (simplify_stmt_for_jump_threading): New.
12542 (identify_jump_threads, finalize_jump_threads): New.
12543 (vrp_finalize): Call identify_jump_threads.
12544 (execute_vrp): Call finalize_jump_threads.
12545 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12546 (vrp_element, vrp_data, vrp_element_p): Remove.
12547 (vrp_hash_elt, vrp_variables_stack): Remove.
12548 (vrp_hash, vrp_eq, record_range): Remove.
12549 (simplify_cond_and_lookup_avail_expr): Remove.
12550 (extract_range_from_cond): Remove.
12551 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12552 (simplify_stmt_for_jump_threading): New.
12553 (dom_thread_across_edge): New wrapper.
12554 (tree_ssa_dominator_optimize): No longer initialize or
12555 finalize any of the VRP datastructures. Remove iteration
12556 step and simplify as a result of removal of iteration step.
12557 (pass_dominator): Perform a cfg cleanup after DOM.
12558 (dom_opt_finalize_block): Use the new common routines
12559 for threading jumps. Simplify stack management slightly.
12560 No longer need to unwind VRP state.
12561 (record_equivalences_from_incoming_edge): No longer record
12563 (eliminate_redundant_computations): No longer call
12564 simplify_cond_and_lookup_avail_expr.
12565 * tree-flow.h (potentially_threadable_block): Prototype.
12566 (thread_across_edge): Likewise.
12567 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12568 (tree-ssa-threadedge.o): Add dependencies.
12569 * tree-ssa-threadedge.c: New file.
12570 * passes.c (init_optimization_passes): Merge PHIs before
12571 calling VRP. Run VRP again late in the SSA optimization pipeline.
12573 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12575 * df-core.c (df_set_blocks): Do not dereference function pointers.
12576 (df_finish1): Likewise.
12577 (df_hybrid_search_forward): Likewise.
12578 (df_hybrid_search_backward): Likewise.
12579 (df_iterative_dataflow): Likewise.
12580 (df_analyze_problem): Likewise.
12581 (df_compact_blocks): Likewise.
12582 (df_dump): Likewise.
12583 * df-scan.c (df_rescan_blocks): Likewise.
12584 (df_record_entry_block_defs): Likewise.
12586 * genconditions.c (write_conditions): Guard the definition of
12587 'insn_conditions' with the check on GCC version.
12588 (write_writer): Guard the traversal 'insn_conditions' with
12589 the check on GCC version.
12591 2006-02-07 Richard Guenther <rguenther@suse.de>
12595 2006-01-30 Richard Guenther <rguenther@suse.de>
12597 * gimplify.c (gimplify_target_expr): Handle easy cases
12598 without creating a temporary.
12600 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12602 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12603 use of float in probability computations. Use edge probabilities
12604 in place of statically computed probabilities.
12605 (min_spec_prob): New static variable.
12606 (schedule_insns): Initialize it.
12607 (GET_SRC_PROB): Removed.
12608 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12610 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12613 * config/ia64/unwind-ia64.c: Revert last change.
12614 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12615 (INCOMING_FRAME_SP_OFFSET): Define.
12617 2006-02-06 Roger Sayle <roger@eyesopen.com>
12619 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12621 2006-02-07 Ben Elliston <bje@au.ibm.com>
12623 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12624 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12625 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12626 (ix86_return_in_memory): Handle TDmode.
12627 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12628 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12630 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12632 * reorg.c (dbr_schedule): Use dump_file instead of file.
12634 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12637 * config/ia64/predicates.md (extr_len_operand): New predicate.
12638 * config/ia64/ia64.md (extv): Tighten constraints.
12640 (*tbit_and_2): Ditto.
12641 (*tbit_and_3): Ditto.
12642 (*tbit_or_2): Ditto.
12643 (*tbit_or_3): Ditto.
12644 (*bit_zero): Ditto.
12647 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12650 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12652 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12654 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12655 loop_optimizer_init and loop_optimizer_finalize
12656 * tree-ssa-sink.c (execute_sink_code): Ditto.
12657 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12658 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12659 tree_ssa_loop_done): Ditto.
12660 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12661 * sched-ebb.c: Include output.h.
12662 (schedule_ebbs): Do not use dump argument.
12663 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12664 * loop.c (loop_dump_stream): Removed.
12665 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12667 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12668 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12669 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12670 loop_iterations, strength_reduce, record_biv, record_giv,
12671 final_giv_value, check_final_value, check_ext_dependent_givs,
12672 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12673 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12674 dump_file instead of loop_dump_stream.
12675 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12676 argument dump_file.
12677 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12679 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12680 * haifa-sched.c: Include output.h
12681 (schedule_insns, sched_init): Do not use dump argument.
12682 * mode-switching.c (optimize_mode_switching): Ditto.
12683 * modulo-sched.c (stats_file): Removed.
12684 (print_node_sched_params): Do not call argument dump_file.
12685 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12686 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12688 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12690 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12691 rtl_loop_init, rtl_loop_done): Ditto.
12692 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12693 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12695 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12696 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12697 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12698 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12699 * emit-rtl.c (renumber_insns): Ditto.
12700 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12701 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12702 * regclass.c (regclass): Ditto.
12703 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12704 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12705 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12706 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12708 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12709 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12711 * gcse.c (gcse_file, debug_stderr): Removed.
12712 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12713 rest_of_handle_gcse): Do not use dump argument.
12714 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12715 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12716 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12717 compute_code_hoist_vbeinout, compute_code_hoist_data,
12718 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12719 compute_store_table, build_store_vectors, insert_insn_start_bb,
12720 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12721 store_motion): Use dump_file instead of gcse_file.
12722 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12723 * profile.c (profile_dump_file): Removed.
12724 (branch_prob): Use dump_file instead of profile_dump_file.
12725 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12727 * tree-ssa-copy.c (dump_copy_of): Ditto.
12728 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12729 dump file to life_analysis.
12730 * bt-load.c (branch_target_load_optimize): Ditto.
12731 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12733 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12734 regclass, dbr_schedule): Declaration changed.
12735 * sched-int.h (sched_init): Declaration changed.
12736 * tree-profile.c (tree_profile_dump_file): Removed.
12737 (tree_profile_hooks): Removed profile_dump_file hook.
12738 * rtl-profile (rtl_profile_dump_file): Removed.
12739 (rtl_profile_hooks): emoved profile_dump_file hook.
12740 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12742 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12743 * tree-cfg.c (build_tree_cfg): Ditto.
12744 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12745 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12746 Declaration changed.
12747 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12748 life_analysis and schedule_insns.
12749 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12751 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12753 * config/mips/mips.c (mips_reorg): Ditto.
12754 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12757 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12759 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12760 (s390_mangle_fundamental_type): New.
12761 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12764 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12765 (alpha_mangle_fundamental_type): New.
12766 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12769 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12771 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12773 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12774 (sparc_mangle_fundamental_type): New.
12776 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12778 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12779 (s390x-*-linux*): Likewise.
12780 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12781 * config/s390/t-linux: New file.
12783 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12785 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12786 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12788 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12790 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12791 (ANTIC_SAFE_LOADS): New macro.
12792 (find_or_generate_expression): Add prototype.
12793 (set_contains_value): Allow null set for sake of not always having
12794 to allocate ANTIC_SAFE_LOADS.
12795 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12796 Allow COMPONENT_REF too.
12797 (valid_in_set): Allow COMPONENT_REF.
12798 Check ANTIC_SAFE_LOADS too.
12799 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12800 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12802 (can_PRE_operation): Add COMPONENT_REF.
12803 (create_component_ref_by_pieces): New function.
12804 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12805 (insert_aux): Move AGGREGATE_TYPE_P check here.
12806 (compute_avail): Set bb local stmt uids.
12807 (pass_pre): Use TODO_update_ssa_only_virtuals.
12809 2006-02-06 Ben Elliston <bje@au.ibm.com>
12811 * configure.ac: Unconditionally disable decimal float by default.
12812 * configure: Regenerate.
12814 2006-02-06 Ben Elliston <bje@au.ibm.com>
12816 * read-rtl.c (read_name): Terminate reading on EOF.
12818 2006-02-06 Ben Elliston <bje@au.ibm.com>
12820 * dfp.c (decimal_real_arithmetic): Change second argument type
12821 from int to enum tree_code. Do not always return true, but now
12822 return result of any call to decimal_do helper functions.
12823 * dfp.h (decimal_real_arithmetic): Update prototype.
12825 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12827 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12829 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12832 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12835 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12837 * tree-vrp.c (cfg_loops): Removed.
12838 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12839 Use current_loops instead of cfg_loops. Pass flags to
12840 loop_optimizer_init.
12841 * cfgloopmanip.c (fix_loop_structure): Update only available
12843 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12844 loop_optimizer_init.
12845 * modulo-sched.c (build_loops_structure): Removed.
12846 (sms_schedule): Use loop_optimizer_init.
12847 * loop-init.c (loop_optimizer_init): Use flags to determine
12848 which properties of loops to prepare.
12849 (rtl_loop_init): Pass flags to loop_optimizer_init.
12850 * tree-ssa-sink.c (execute_sink_code): Ditto.
12851 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12852 * tree-ssa-pre.c (init_pre): Ditto.
12853 * cfgloop.h (LOOPS_NORMAL): New.
12854 (loop_optimizer_init): Declaration changed.
12856 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12858 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12859 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12861 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12863 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12865 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12866 * pa/t-pa64: Delete quadlib.c rule.
12867 * pa/x-ada: Revert last change.
12868 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12870 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12872 PR rtl-optimization/26087
12873 * rtlanal.c (canonicalize_condition): Do not cross basic block
12876 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12879 * config/ia64/ia64.c: Include debug.h.
12880 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12881 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12882 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12883 (process_epilogue, process_set, process_for_unwind_directive):
12884 Output unwind info only if requested. Add CFA info if requested.
12885 Add new arguments as needed. Adjust callers.
12886 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12888 (DWARF2_FRAME_INFO): Define to zero.
12889 * config/ia64/unwind-ia64.c: Remove code that compensated for
12890 the CFA offset error fixed above.
12891 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12892 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12893 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12894 -funwind-tables and -fexceptions to enable frame info.
12895 (dwarf2out_frame_init): Define initial CFA even if
12896 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12897 DWARF2_UNWIND_INFO is nonzero, not just defined.
12898 (dwarf2out_frame_finish): Output non-EH call frame info only
12899 if DWARF2_FRAME_INFO is nonzero.
12900 (convert_cfa_to_loc_list,
12901 compute_frame_pointer_to_cfa_displacement): Define even if
12902 unwind info is not supported.
12903 (gen_subprogram_die): Use the above unconditionally. Remove
12904 legacy alternate code.
12905 * toplev.c (compile_file): Compile in call to
12906 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12907 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12909 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12910 Jakub Jelinek <jakub@redhat.com>
12912 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12913 IBM extended float format long double as "g" on powerpc*-linux.
12915 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12918 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12919 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12921 2006-02-03 Jason Merrill <jason@redhat.com>
12924 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12926 PR middle-end/25977
12927 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12928 on the return slot if it's an NRV.
12930 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12932 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12933 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12934 rewrite_use): Do not handle USE_OUTER.
12935 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12936 add_iv_outer_candidates, may_replace_final_value,
12937 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12938 (find_interesting_uses_op): Functionality of
12939 find_interesting_uses_outer_or_nonlin moved here.
12940 (find_interesting_uses_outside): Use find_interesting_uses_op.
12942 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12945 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12947 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12948 Ulrich Weigand <uweigand@de.ibm.com>
12951 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12952 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12953 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12954 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12956 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12957 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12958 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12959 Define secondary reloads for TFmode moves.
12960 (constant_modes): Add TFmode.
12961 (NR_C_MODES): Set to 8.
12962 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12964 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12965 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12966 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12967 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12968 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12969 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12970 (FPR mode macro): Add TFmode.
12971 (DSF mode macro): New.
12972 (<de>, <dee> mode attributes): Removed.
12973 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12974 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12975 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12976 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12977 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12978 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12979 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12980 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12981 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12982 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12983 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12984 "*negabs<mode>2", "sqrt<mode>2"):
12985 Changed <de> to <xde>. R constraint replaced by <Rf>.
12986 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12988 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12989 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12990 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12992 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12993 "extenddftf2", "extendsftf2"): New expanders.
12994 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12995 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12996 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12997 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12999 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13000 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13001 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13002 __floatditf): Add a GCC_4.1.0 symbol version tag.
13003 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13006 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13009 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13010 Use targetm.binds_local_p instead of TREE_PUBLIC.
13012 2006-02-02 Roger Sayle <roger@eyesopen.com>
13014 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13015 on INTEGER_TYPEs to indicate that it denotes a character type.
13016 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13017 signed_char_type_node, unsigned_char_type_node and char_type_node.
13018 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13019 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13020 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13022 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13023 Daniel Berlin <dberlin@dberlin.org>
13025 * tree-tailcall.c (arg_needs_copy_p): New function.
13026 (eliminate_tail_call): Use arg_needs_copy_p.
13027 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13028 (add_virtual_phis): New function.
13030 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13032 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13033 #ignore instead of #scratch for %g7 .register directive.
13035 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13037 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13040 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13042 * flow.c (calculate_global_regs_live): Assert that there aren't any
13045 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13047 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13048 what its name says.
13049 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13050 bsi_after_labels iterator.
13051 * tree-if-conv.c (find_phi_replacement_condition,
13052 replace_phi_with_cond_modify_expr): Likewise.
13053 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13054 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13056 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13058 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13060 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13063 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13064 array after growing it.
13066 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13068 PR middle-end/24901
13069 * fold-const.c (fold_checksum_tree): Change type of buf.
13071 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13073 * reload.c (push_secondary_reload): Initialize t_icode.
13075 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13077 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13078 -msoft-float -mlong-double-128 only issue a warning, but don't
13079 swich to DFmode long double.
13081 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13083 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13084 has a constant equivalent, iterate over equivalents for arg0,
13085 calling simplify_relational_operation and if there's a result
13086 cheaper than X, apply fold_rtx and return the result.
13088 2006-02-01 Jan Hubicka <jh@suse.cz>
13090 * opts.c (no_unit_at_a_time_default): New global variable.
13091 (decode_options): Use it.
13092 * opts.h (no_unit_at_a_time_default): Declare.
13094 2006-02-01 Paul Brook <paul@codesourcery.com>
13096 * function.c (assign_parm_setup_reg): Use function argument promotion
13098 * expr.c (expand_expr_real_1): Use function argument promotion rules
13101 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13103 * gcc.c (process_command): Change j to 'unsigned int'.
13105 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13107 PR middle-end/26001
13108 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13109 Use the corrected index for the character
13110 out of the string constant.
13112 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13114 * mode-switching.c (optimize_mode_switching): Fix size
13115 allocated for bb_info[n_entities].
13117 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13119 * gcc.c (main): Correct type that is allocated for
13120 explicit_link_files.
13122 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13124 * config/s390/s390.c (init_alignment_context): Set
13125 ALIAS_SET_MEMORY_BARRIER on the MEM.
13126 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13128 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13130 PR middle-end/25933
13131 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13133 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13136 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13138 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13139 * regrename.c: Ditto.
13140 * tree-ssa-loop-im.c: Ditto.
13141 * tree-dump.c: Ditto.
13142 * tree-complex.c: Ditto.
13143 * genrecog.c: Ditto.
13144 * tree-ssa-threadupdate.c: Ditto.
13146 * java/class.c: Ditto.
13147 * java/jcf-parse.c: Ditto.
13148 * java/resource.c: Ditto.
13149 * java/except.c: Ditto.
13150 * java/jvspec.c: Ditto.
13151 * java/jcf-write.c: Ditto.
13152 * java/jcf-path.c: Ditto.
13153 * java/gjavah.c: Ditto.
13154 * java/zextract.c: Ditto.
13155 * java/jcf-io.c: Ditto.
13156 * java/jcf.h: Ditto.
13157 * java/buffer.c: Ditto.
13158 * java/lang.c: Ditto.
13159 * java/parse-scan.y: Ditto.
13160 * java/lex.c: Ditto.
13161 * java/lex.h: Ditto.
13162 * cfgloopmanip.c: Ditto.
13163 * postreload-gcse.c: Ditto.
13164 * tree-ssa-loop-manip.c: Ditto.
13165 * postreload.c: Ditto.
13166 * tree-ssa-loop-ch.c: Ditto.
13169 * cppspec.c: Ditto.
13170 * diagnostic.c: Ditto.
13172 * genoutput.c: Ditto.
13174 * cfghooks.c: Ditto.
13175 * cfgloopanal.c: Ditto.
13176 * objc/objc-act.c: Ditto.
13178 * genextract.c: Ditto.
13179 * genautomata.c: Ditto.
13180 * pretty-print.c: Ditto.
13181 * genemit.c: Ditto.
13182 * cgraphunit.c: Ditto.
13184 * df-scan.c: Ditto.
13185 * haifa-sched.c: Ditto.
13186 * dominance.c: Ditto.
13188 * tree-ssa-loop-ivopts.c: Ditto.
13189 * df-core.c: Ditto.
13190 * mode-switching.c: Ditto.
13191 * modulo-sched.c: Ditto.
13193 * ipa-pure-const.c: Ditto.
13195 * fix-header.c: Ditto.
13197 * tree-stdarg.c: Ditto.
13198 * ipa-utils.c: Ditto.
13199 * loop-init.c: Ditto.
13200 * ipa-inline.c: Ditto.
13201 * cfganal.c: Ditto.
13203 * alloc-pool.c: Ditto.
13204 * dwarf2out.c: Ditto.
13206 * genattrtab.c: Ditto.
13207 * tree-ssa-loop-ivcanon.c: Ditto.
13208 * predict.c: Ditto.
13209 * timevar.c: Ditto.
13211 * fortran/gfortranspec.c: Ditto.
13212 * regmove.c: Ditto.
13213 * local-alloc.c: Ditto.
13214 * langhooks.c: Ditto.
13215 * function.c: Ditto.
13216 * tree-vectorizer.c: Ditto.
13218 * ipa-type-escape.c: Ditto.
13220 * tree-if-conv.c: Ditto.
13221 * profile.c: Ditto.
13223 * tree-data-ref.c: Ditto.
13224 * loop-unroll.c: Ditto.
13225 * treelang/treetree.c: Ditto.
13227 * bt-load.c: Ditto.
13228 * ggc-common.c: Ditto.
13230 * coverage.c: Ditto.
13232 * tree-cfgcleanup.c: Ditto.
13233 * tree-ssa-pre.c: Ditto.
13234 * cfgcleanup.c: Ditto.
13235 * loop-invariant.c: Ditto.
13236 * loop-iv.c: Ditto.
13237 * ipa-prop.c: Ditto.
13238 * print-tree.c: Ditto.
13239 * conflict.c: Ditto.
13240 * ggc-page.c: Ditto.
13241 * sched-deps.c: Ditto.
13242 * regclass.c: Ditto.
13243 * tree-object-size.c: Ditto.
13244 * combine.c: Ditto.
13245 * bb-reorder.c: Ditto.
13246 * resource.c: Ditto.
13247 * var-tracking.c: Ditto.
13248 * cfgloop.c: Ditto.
13249 * df-problems.c: Ditto.
13250 * reg-stack.c: Ditto.
13252 * gccspec.c: Ditto.
13253 * sched-rgn.c: Ditto.
13254 * tree-ssa-structalias.c: Ditto.
13255 * tree-ssa-reassoc.c: Ditto.
13256 * config/darwin-c.c: Ditto.
13257 * config/darwin.c: Ditto.
13258 * config/arm/arm.c: Ditto.
13260 * collect2.c: Ditto.
13261 * reload1.c: Ditto.
13263 2006-01-31 Nicolas Pitre <nico@cam.org>
13265 * arm.md (smaxsi3): Make aware of smax_m1.
13268 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13270 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13272 2006-01-31 Richard Guenther <rguenther@suse.de>
13274 * doc/invoke.texi (-msselibm): Document.
13275 * target.h (expand_library_builtin): New target hook.
13276 * builtins.c (expand_builtin): Use expand_library_builtin.
13277 (default_expand_library_builtin): New function.
13278 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13279 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13280 (link_gcc_math_spec): Declare.
13281 (static_specs): Add link_gcc_math_spec.
13282 * expr.h (default_expand_library_builtin): Declare.
13283 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13284 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13285 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13286 * config/i386/i386.opt (msselibm): New target option.
13287 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13288 (ix86_init_sse_abi_builtins): New function.
13289 (ix86_expand_library_builtin): Likewise.
13290 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13291 (override_options): Handle error conditions wrt -msselibm.
13292 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13293 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13294 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13297 2006-01-31 Richard Guenther <rguenther@suse.de>
13298 Paolo Bonzini <bonzini@gnu.org>
13300 * doc/install.texi (--disable-libgcc-math): Document.
13302 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13304 * expr.h (expand_normal): new inline function.
13305 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13306 * dojump.c: use it.
13307 * dwarf2out.c: use it.
13310 * expmed.c: use it.
13311 * except.c: use it.
13312 * config/sparc/sparc.c: use it.
13313 * config/i386/i386.c: use it.
13314 * config/rs6000/rs6000.c: use it.
13315 * config/arm/arm.c: use it.
13316 * config/mips/mips.c: use it.
13317 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13319 2006-01-30 Roger Sayle <roger@eyesopen.com>
13321 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13322 argv to the appropriate type.
13324 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13326 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13329 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13332 * config/s390/s390.c (struct machine_function): New flag
13333 decomposed_literal_pool_addresses_ok_p.
13334 (s390_reorg): Set it before final stage of literal pool transforms.
13335 (s390_decompose_address): Only accept displacements of the form
13336 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13338 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13340 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13341 the comparison routine return.
13343 2006-01-30 Michael Matz <matz@suse.de>
13345 * global.c (find_reg): Only evict for global regs.
13346 Take n_refs into account and dump more info.
13348 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13351 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13352 (pragma_trap, pragma_nosave_low_regs): Likewise.
13353 (current_function_anonymous_args): Likewise.
13354 (sh_deferred_function_attributes): New variable.
13355 (sh_deferred_function_attributes_tail): Likewise.
13356 (print_operand): For '@', look up trap_exit attribute.
13357 (calc_live_regs): Look up trapa_handler attribute. For trapa
13358 handlers, save/restore fpscr, but don't do any other
13359 interrupt-specific saves.
13360 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13361 Fix check for partially saved registers to check for SHmedia.
13362 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13363 (sh_output_function_epilogue): Don't clear any of the removed
13365 (sh_insert_attributes): Don't check pragma_interrupt.
13366 Insert deferred attributes. Check that interrupt attribute is
13367 present for other attributes that require its presence.
13368 (sh_attribute_table): Add new attributes trapa_handler and
13370 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13371 Don't check for pragma_interrupt. Don't store argument.
13372 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13373 (sh_deferred_function_attributes): Declare.
13374 (sh_deferred_function_attributes_tail): Likewise.
13375 * sh.md (sp_switch_1): Add operand. Change generator caller.
13376 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13377 (*return_i): Don't use when trap_exit attribute is in effect.
13378 (*return_trapa): New insn pattern.
13379 * sh-c.c: New file.
13380 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13381 setting c_target_objs and cxx_target_objs.
13382 * t-sh: Add rule for sh-c.o.
13384 2006-01-30 Richard Guenther <rguenther@suse.de>
13387 * gimplify.c (gimplify_target_expr): Handle easy cases
13388 without creating a temporary.
13390 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13392 * vec.h (safe_grow): Remove duplicated line.
13394 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13397 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13398 (expand_omp): ... here.
13399 (expand_omp_parallel): Only remove barriers for combined
13400 parallel+workshare constructs.
13402 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13406 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13407 * tree.c (build_qualified_type): Chain the new type to the original
13408 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13409 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13410 (build_pointer_type_for_mode): Only return unqualified types.
13411 (build_reference_type_for_mode): Likewise.
13413 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13415 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13416 * Makefile.in (CXX_COMPAT_WARN): Define.
13417 * configure: Regenerate.
13419 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13422 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13425 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13427 * toplev.c: Fix thinko.
13429 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13430 Marcin Dalecki <martin@dalecki.de>
13432 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13433 (push_srcloc): Use XNEW.
13434 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13436 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13438 * df-core.c (df_set_blocks): Deleted all variable.
13440 2006-01-28 Ian Lance Taylor <ian@airs.com>
13442 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13443 cgraph_output_pending_asms.
13445 2006-01-28 Zack Weinberg <zackw@panix.com>
13447 * c.opt: Add -W(no-)overlength-strings.
13448 * doc/invoke.texi: Document it.
13449 * c-opts.c (c_common_handle_option): -pedantic implies
13450 -Woverlength-strings, if not explicitly disabled already.
13451 (c_common_post_options): -Woverlength-strings defaults to off, and
13452 is always off for C++.
13453 * c-common.c (fix_string_type): Issue warning about strings longer
13454 than is portable only if warn_overlength_strings. Rearrange code
13455 a little for clarity.
13456 * configure.in: Check for -Wno-overlength-strings as well before
13457 enabling -pedantic in stage 1.
13458 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13459 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13461 * genconditions.c (write_header, write_one_condition)
13462 (write_conditions, write_writer): Consolidate very long strings
13463 that were broken up to fit in C89 portable limit. Don't use
13464 printf when fputs will do.
13466 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13468 * combine.c (simplify_comparison <AND>): Check
13469 TRULY_NOOP_TRUNCATION before start using a subreg.
13471 * config/mips/mips.md (*branch_zero<mode>,
13472 *branch_zero<mode>_inverted, *branch_equality<mode>,
13473 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13474 Remove mode check from comparisons.
13476 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13478 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13480 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13482 * expmed.c (const_mult_add_overflow_p): Remove.
13483 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13485 * recog.c (validate_replace_rtx_subexp): Remove.
13486 * recog.h: Remove the prototype for
13487 validate_replace_rtx_subexp.
13489 * integrate.h: Remove the prototype for
13490 copy_decl_for_inlining.
13491 * rtl.h: Remove the prototype for mark_constant_function.
13492 * tree-vectorizer.h: Remove the prototype for
13493 vect_strip_conversion.
13495 * modulo-sched.c (create_partial_schedule,
13496 free_partial_schedule, reset_partial_schedule): Make them
13499 * hooks.c (hook_bool_rtx_int_false): Remove.
13500 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13502 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13504 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13505 and -mlong-double-128 are incompatible.
13506 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13507 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13508 (TARGET_LIBGCC2_CFLAGS): Define.
13509 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13510 (TARGET_LIBGCC2_CFLAGS): Same.
13511 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13513 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13516 * c-typeck.c (build_binary_op): Perform implicit casts of
13517 operands before shortening them.
13519 * cfgloopmanip.c (split_loop_bb): Remove.
13520 * cfgloop.h: Remove the prototype for split_loop_bb.
13522 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13523 * cfgloop.h: Remove the prototype for
13524 flow_loop_outside_edge_p.
13526 * emit-rtl.c (init_virtual_regs): Make it static.
13527 * function.h: Remove the prototype for init_virtual_regs.
13529 * recog.c (peephole2_optimize): Make it static.
13530 * recog.h: Remove the prototype for peephole2_optimize.
13532 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13534 * df-scan.c (df_record_entry_block_defs): Check if
13535 INCOMING_RETURN_ADDR_RTX is defined.
13537 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13538 Kenneth Zadeck <zadeck@naturalbridge.com>
13540 PR rtl-optimization/24762
13541 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13542 * targhooks.c (hook_void_bitmap): New hook prototype.
13543 * targhoohs.h (hook_void_bitmap): Ditto.
13544 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13545 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13546 * target.h (live_on_entry): New function pointer.
13547 * df-scan.c (df_all_hard_regs): Removed.
13548 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13549 (df_scan_free_internal): Added df->entry_block_defs.
13550 (df_scan_alloc): Ditto.
13551 (df_scan_dump): Ditto.
13552 (df_uses_record): Plumbed flag field properly thru calls.
13553 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13554 This part fixes PR24762.
13555 (df_bb_refs_record): Added code to make the frame and arg
13556 pointers live in EH blocks.
13557 (df_refs_record): Added call to df_record_entry_block_defs.
13558 (df_record_entry_block_defs): New function.
13559 * df-core.c: Added comments to describe new artifical defs.
13560 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13561 (entry_block_defs): New field in struct df.
13562 (df_all_hard_regs): Deleted.
13563 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13564 * df-problems.c (df_ru_bb_local_compute_process_def):
13565 Added code to handle artifical defs in the entry to a function.
13566 (df_ru_bb_local_compute): Ditto.
13567 (df_rd_bb_local_compute_process_def): Ditto.
13568 (df_rd_bb_local_compute): Ditto.
13569 (df_lr_bb_local_compute): Ditto.
13570 (df_ur_bb_local_compute): Ditto.
13571 (df_urec_bb_local_compute): Ditto.
13572 (df_chain_create_bb): Ditto.
13573 (df_ur_local_finalize): Removed entry.
13574 (df_urec_init): Ditto.
13575 (df_urec_local_finalize): Ditto.
13576 (df_ri_bb_compute): Added detection of last use of pseudos.
13577 * Makefile.in (df-scan.o): Updated dependencies.
13578 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13579 * config/mips/mips.c (mips_set_live_on_entry): Added.
13580 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13582 * dce.c (marked_insn_p): Added code to handle artifical defs.
13584 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13586 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13588 (_mm_cvtsi128_si64): Likewise.
13589 (_mm_cvtsd_si64): Likewise.
13590 (_mm_cvttsd_si64): Likewise.
13591 (_mm_cvtsi64_sd): Likewise.
13592 (_mm_cvtsi64_si128): Likewise.
13593 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13594 (_mm_cvtsi64_m64): Likewise.
13595 (_m_to_int64): Likewise.
13596 (_mm_cvtm64_si64): Likewise.
13597 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13598 (_mm_cvttss_si64): Likewise.
13599 (_mm_cvtsi64_ss): Likewise.
13600 (_mm_cvtss_f32): Likewise.
13602 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13604 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13605 for pragma redefine_extname.
13607 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13610 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13611 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13612 -mno-minimal-toc to previous content.
13613 (bispecs): Remove goal.
13614 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13615 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13616 compatibility aliases on powerpc-*-*gnu*.
13617 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13618 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13619 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13620 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13621 (ldblspecs): New goal.
13622 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13623 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13625 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13626 L_sf_to_tf or L_df_to_tf is defined.
13628 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13629 Alan Modra <amodra@bigpond.net.au>
13632 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13633 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13634 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13635 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13636 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13637 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13638 (rs6000_override_options): Initialize rs6000_ieeequad.
13639 Initialize TFmode format to ibm_extended_format if not
13641 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13643 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13644 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13645 (function_arg_advance): IBM long double passed in two FPRs, not
13647 (function_arg): IBM long double passed in FPRs.
13648 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13649 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13650 Only multireg GPR aligned.
13651 (rs6000_init_libfuncs): Enable IBM long double functions if not
13653 (rs6000_generate_compare): Use IBM long double compare if not
13655 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13656 (TARGET_IEEEQUAD): Define.
13657 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13658 not TARGET_IEEEQUAD.
13659 * config/rs6000/rs6000.md: Enable TFmode patterns if
13661 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13662 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13663 and -mlong-double-128 are incompatible.
13664 * doc/invoke.texi (-mabi): Collect options together. Add
13665 ibmlongdouble and ieeelongdouble.
13667 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13669 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13671 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13672 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13673 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13674 * rtl.h (rtunion_def): Remove rt_ptr.
13676 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13677 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13678 * config/i386/winnt.c (i386_pe_mark_dllexport)
13679 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13681 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13683 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13685 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13689 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13690 pthread_key_delete. From John David Anglin. gthrw-ify
13691 pthread_getunique_np only if it it's not a macro. Delete
13693 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13694 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13695 __gthread_objc_condition_signal, __gthread_key_delete): Add
13696 "__attribute__ ((__unused__))" to unused arguments.
13697 (__gthread_recursive_mutex_init_function): Add missing return.
13698 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13699 gthr-posix95.h: Use macro-based approach for name redirection
13700 on targets missing weakref.
13702 2006-01-26 Zack Weinberg <zackw@panix.com>
13704 * genconditions.c (write_header): In generated code, #ifdef out
13705 all includes and fake declarations, except includes of bconfig.h
13706 and system.h, unless GCC_VERSION >= 3001. Do not include
13707 gensupport.h in any case.
13708 (write_conditions): Generate a definition of struct c_test. Add
13709 a comment to the generated #endif.
13710 (write_one_condition): Escape backslashes in string too.
13711 (write_writer): Generated code must escape backslashes and quote
13712 marks (but not newlines) in the strings it writes.
13713 * Makefile.in (build/gencondmd.o): Update dependencies.
13715 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13718 * Makefile.in (insn-automata.o): Add header file dependencies.
13719 * genautomata.c: Add includes.
13721 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13724 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13726 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13728 * configure.ac: Expect target tools paths to be passed from the toplevel
13729 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13731 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13733 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13736 * c.opt (Wpointer-sign): Init to -1.
13737 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13738 OPT_pedantic, to 0 otherwise.
13739 * doc/invoke.texi: Update.
13741 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13743 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13744 constants provided by 80387 instructions in the destination mode.
13746 2006-01-26 Richard Guenther <rguenther@suse.de>
13747 Andrew Pinski <pinskia@physics.uc.edu>
13750 partial PR tree-opt/17064
13751 * tree-ssa-structalias.c (intra_create_variable_infos):
13752 Create heap variables for incoming parameters if
13753 flag_argument_noalias > 1.
13754 (find_what_p_points_to): Look through default defs of
13757 2006-01-26 Jeff Law <law@redhat.com>
13760 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13761 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13762 within the VR_RANGE, use the VR_RANGE as the result, not the
13764 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13765 bounds for the type.
13767 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13769 * tree-ssa-alias.c (maybe_create_global_var): Change
13770 subvar walking to an assertion that we don't have subvar'd variables.
13772 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13775 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13776 Use a new variable, inner. PARM_DECLs are always non-weak.
13778 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13780 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13781 --disable-checking.
13783 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13785 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13787 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13789 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13790 (smax_insn, smin_insn, smax_0, smin_0): New.
13792 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13795 * config/cris/cris.c (cris_order_for_addsi3): New function.
13796 * config/cris/cris-protos.h: Prototype it.
13797 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13798 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13799 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13800 (split for "op.S1 [rx=rx+i],ry (swapped)")
13801 (split for "op(s|u).S1 [rx=rx+i],ry")
13802 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13803 Apply cris_order_for_addsi3 when generating addsi3 insns.
13805 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13807 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13808 (TREE_BLOCK): Add call to EXPR_CHECK.
13810 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13813 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13814 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13815 (dump_omp_clauses): ... here.
13816 (dump_generic_node): Handle OMP_CLAUSE.
13817 * tree.c (omp_clause_num_ops): New.
13818 (omp_clause_code_name): New.
13819 (tree_code_size): Handle OMP_CLAUSE.
13820 (tree_size): Likewise.
13821 (make_node): Document handling of OMP_CLAUSE.
13822 (tree_node_structure): Handle OMP_CLAUSE.
13823 (omp_clause_check_failed): New.
13824 (omp_clause_range_check_failed): New.
13825 (omp_clause_operand_check_failed): New.
13826 (build_omp_clause): New.
13827 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13828 * tree.h (enum omp_clause_code): Declare.
13829 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13830 (OMP_CLAUSE_RANGE_CHECK): Define.
13831 (OMP_CLAUSE_ELT_CHECK): Define.
13832 (omp_clause_check_failed): Declare.
13833 (omp_clause_operand_check_failed): Declare.
13834 (omp_clause_range_check_failed): Declare.
13835 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13836 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13837 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13838 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13839 (OMP_CLAUSE_IF_EXPR): Likewise.
13840 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13841 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13842 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13843 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13844 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13845 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13846 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13847 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13848 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13849 (OMP_CLAUSE_CODE): Define.
13850 (OMP_CLAUSE_SET_CODE): Define.
13851 (OMP_CLAUSE_CODE): Define.
13852 (OMP_CLAUSE_OPERAND): Define.
13853 (struct tree_omp_clause): Declare.
13854 (union tree_node): Add field 'omp_clause'.
13855 * treestruct.def (TS_OMP_CLAUSE): Define.
13856 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13857 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13858 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13859 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13860 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13861 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13862 (OMP_CLAUSE): Define.
13863 * print-tree.c (print_node): Handle OMP_CLAUSE.
13864 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13865 * c-typeck.c: Likewise.
13866 * gimplify.c: Likewise.
13867 * c-omp.c: Likewise.
13868 * tree-nested.c: Likewise.
13869 * tree-inline.c: Likewise.
13870 * c-parser.c: Likewise.
13871 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13874 2006-01-25 Roger Sayle <roger@eyesopen.com>
13876 PR rtl-optimization/25703
13877 * combine.c (try_combine): Handle zero_extract and strict_low_part
13878 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13880 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13882 * global.c: Fix comment typos.
13884 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13887 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13888 Use output_addr_const instead of assemble_name.
13890 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13892 * Makefile.in (sched-vis.o): Update dependencies.
13893 * haifa-sched.c (sched_finish): Clear current_sched_info.
13894 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13895 (dump_flow_info): Call it.
13896 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13898 * basic-block.h (dump_bb_info): Declare.
13899 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13900 option, and apply options only for dump files whose TDF_RTL,
13901 TDF_TREE, or TDF_IPA bits match.
13902 * rtl.h: Declare new functions exported from sched-vis.c.
13903 * sched-vis.c: Enable also if scheduling is not used.
13904 (print_value): Print the mode of registers if not inside scheduling.
13905 (print_insn): Make it work outside the scheduler. Beautify the output
13907 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13909 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13911 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13912 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13913 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13914 depending on the value of CONSTANT_POOL_ADDRESS_P.
13915 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13917 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13918 rather than SYMBOL_REF_DECL.
13919 (rtx_constant_pool): Remove const_rtx_sym_htab.
13920 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13921 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13922 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13923 Remove handling of const_rtx_sym_htab.
13924 (find_pool_constant): Delete.
13925 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13926 rather than find_pool_constant.
13927 (get_pool_constant_for_function): Delete.
13928 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13929 find_pool_constant.
13930 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13931 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13932 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13933 (SYMBOL_REF_CONSTANT): New macro.
13934 (get_pool_constant_for_function): Delete.
13935 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13936 rather than SYMBOL_REF_DECL.
13937 (i386_pe_mark_dllimport): Likewise.
13938 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13939 rather than SYMBOL_REF_DECL.
13940 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13941 (machopic_indirect_call_target): Likewise.
13943 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13945 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13947 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13949 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13951 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13953 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13955 2006-01-24 David Daney <ddaney@avtrex.com>
13958 * configure.ac (enable_tls): New enable option.
13959 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13960 * configure: Regenerate.
13961 * doc/install.texi (--enable-tls): Document new option.
13962 (--disable-tls): Ditto.
13964 2006-01-24 Richard Henderson <rth@redehat.com>
13966 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13967 * alias.c (true_dependence): Respect it.
13968 (canon_true_dependence, write_dependence_p): Likewise.
13969 * builtins.c (get_builtin_sync_mem): Set it.
13971 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13973 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13976 2006-01-24 DJ Delorie <dj@redhat.com>
13978 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13979 for storing constants in single-bit bitfields.
13981 2006-01-25 Ben Elliston <bje@au.ibm.com>
13983 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13985 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13988 * tree-ssa-pre.c (phi_translate): Return NULL
13989 for AGGREGATE_TYPE's.
13991 2006-01-24 Zack Weinberg <zackw@panix.com>
13993 * genautomata.c (process_state_for_insn_equiv_partition):
13994 Use xcalloc for insn_arcs_array.
13995 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13996 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13998 2006-01-24 Richard Henderson <rth@redhat.com>
14000 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14001 update all callers.
14003 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14005 PR rtl-optimization/25890
14006 PR rtl-optimization/25905
14007 * combine.c (expand_compound_operation, expand_field_assignment):
14008 Fail if the bitfield's final position is out of bounds.
14010 2006-01-24 Ian Lance Taylor <ian@airs.com>
14012 PR middle-end/25930
14013 * cgraphunit.c (cgraph_output_in_order): Don't clear
14014 cgraph_asm_nodes until after asm strings have been output.
14016 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14018 * fix-header.c (read_scan_file): Add new parameter imultilib when
14019 calling register_include_chains.
14021 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14023 * omp-low.c: Update documentation.
14025 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14026 Daniel Berlin <dberlin@dberlin.org>
14030 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14031 return from the function.
14033 2006-01-22 Zack Weinberg <zackw@panix.com>
14035 * rtl.def (match_code): Add second argument.
14036 * genpreds.c (write_extract_subexp): New function.
14037 (write_match_code): Add path argument. Use write_extract_subexp.
14038 (write_predicate_expr): Pass path to write_match_code.
14039 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14040 not perform a mode test.
14041 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14042 a subexpression does not constrain the top-level code set.
14043 * read-rtl.c (read_rtx_variadic): New function.
14044 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14045 * doc/md.texi: Document new notation.
14046 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14047 (cmpsi_operand): ... here, using new notation.
14049 2006-01-22 Zack Weinberg <zackw@panix.com>
14051 * varray.c: Remove GENERATOR_FILE #ifdefs.
14053 2006-01-22 Zack Weinberg <zackw@panix.com>
14055 * genautomata.c (output_reserved_units_table): Emit nothing if
14056 description->query_units_num is zero. Remove extra blank line.
14057 (output_cpu_unit_reservation_p): Short circuit
14058 if description->query_units_num is zero.
14060 2006-01-22 Zack Weinberg <zackw@panix.com>
14062 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14063 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14064 nor any of the random handful of variables that used to be necessary
14065 when this program was linked with rtlanal.o. Prune set of forward
14066 function declarations.
14067 (struct attr_desc): Remove static_p field.
14068 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14069 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14070 (attr_string): Do not read the character one past the length of
14072 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14073 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14074 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14075 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14076 (make_automaton_attrs): New.
14077 (main): Do not call into genautomata. Call local gen_bypass
14078 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14079 Remove special case for insn_alts.
14080 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14081 varray.h (leftover from previous change). Prune set of forward
14082 function declarations. Remove state_alts fields from all
14083 structures. Remove state_alts_table from struct automaton.
14084 Make everything except main static. Do not maintain num_dfa_decls.
14085 Do not maintain state_alts fields of various structures.
14086 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14087 (add_arc): Remove state_alts argument. All callers updated.
14088 (output_reserved_units_table): Emit #ifdef here...
14089 (output_tables): ...not here. Don't generate state_alts tables.
14090 (expand_automata): Don't generate attributes.
14091 (write_automata): Don't generate state_alts functions.
14092 (main): New function.
14093 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14094 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14095 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14096 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14097 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14098 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14099 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14100 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14102 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14103 * genattrtab.h: Delete file.
14104 * Makefile.in (OBJS-common): Add insn-automata.o.
14105 (insn-automata.o): New rule.
14106 (simple_generated_c): Add insn-automata.c.
14107 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14108 (genprogmd): Add automata.
14109 (build/genattrtab): Needs no extra objects nor libraries.
14110 (build/genautomata): Needs build/vec.o and -lm.
14112 2006-01-22 Zack Weinberg <zackw@panix.com>
14114 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14115 (output_dfa_max_issue_rate, locked_states_num): Delete.
14116 (struct automaton): Add locked_states field.
14117 (output_dead_lock_vect): Save number of locked states in
14118 automaton->locked_states. If it is zero, don't print anything.
14119 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14120 (output_internal_dead_lock_func): Only test the dead_lock_vect
14121 for automata that have locked states.
14122 (output_statistics): Always print the number of locked states for
14123 each automaton. Calculate total number of locked states here.
14124 (write_automata): Don't call output_dfa_max_issue_rate.
14125 * genattrtab.c: Define length_unit_log as a const variable.
14126 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14127 max_insn_queue_index const.
14128 * final.c (length_unit_log): Declare const.
14129 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14131 2006-01-22 Zack Weinberg <zackw@panix.com>
14133 * genautomata.c: Include vec.h, not varray.h.
14134 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14135 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14136 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14137 VEC_* macros operating on appropriately typed vectors, or to
14138 malloced arrays when the size is known in advance. Const-ify
14139 many char* variables and function arguments. No functional changes.
14140 * Makefile.in (build/varray.o): Delete rule.
14141 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14142 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14144 2006-01-22 Zack Weinberg <zackw@panix.com>
14146 * gensupport.c: Define get_insn_name and record_insn_name here.
14147 (read_md_rtx): Call record_insn_name as appropriate.
14148 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14149 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14150 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14152 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14153 (BUILD_VARRAY): Delete.
14154 (genprognormal): Rename genprogmd. Fold in all programs from
14155 genprognoprint; also attrtab.
14156 (build/genattrtab): Just mention genautomata.o and varray.o.
14157 Reorganize a bit, add comments to make the categories clearer.
14159 2006-01-22 Zack Weinberg <zackw@panix.com>
14161 * genconditions.c (condition_table, add_condition): Delete.
14162 (write_conditions): Don't emit n_insn_conditions nor
14163 insn_elision_unavailable. Issue the gcc version #ifdef here,
14164 inside the table, with no #else clause ...
14165 (write_header): ...not here.
14166 (write_writer): New function.
14167 (main): Don't initialize condition_table. Use add_c_test.
14169 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14170 files on the command line.
14171 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14172 Return -1 if there is no entry in the table, don't abort.
14173 (add_c_test, traverse_c_tests): New functions.
14174 * gensupport.h (insn_elision_unavailable, insn_conditions)
14175 (n_insn_conditions): Delete declarations.
14176 (add_c_test, traverse_c_tests): Declare.
14177 * read-rtl.c: Include gensupport.h.
14178 (read_conditions): New function.
14179 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14180 (read_rtx_1): If we get EOF when we were looking for an initial
14181 open paren, return 0. Call read_conditions when appropriate.
14182 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14183 dummy-conditions.o. Eliminate references to insn-conditions.o,
14184 or change them to build/gencondmd.o, as appropriate. Remove
14185 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14186 from $(simple_generated_c). For all files remaining in those
14187 two lists, add insn-conditions.md to the generator command line.
14188 Give insn-constants.h/s-constants their own rules. Add rules
14189 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14190 (build/read-rtl.o): Depend on gensupport.h.
14191 (genprognormal): Include preds.
14192 (genprogearly): Rename genprognoprint; only difference is now that
14193 they don't link with $(BUILD_PRINT).
14194 * dummy-conditions.c: Delete.
14196 2006-01-22 Zack Weinberg <zackw@panix.com>
14198 * genextract.c: Don't include insn-config.h. Do include vec.h.
14199 Declare vectors of int, char, and locstr.
14200 (locstr): New typedef.
14201 (struct extraction): Make all array fields into bare pointers.
14202 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14203 (insn_code_number): Delete.
14204 (accum_extract): New struct.
14205 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14206 (gen_insn): Take insn_code_number as an argument. Use an
14207 accum_extract structure instead of loading data directly into
14208 a struct extraction, and having to know how big it might get.
14209 (walk_rtx): Operate entirely on an accum_extract structure.
14210 (print_path): Avoid unnecessary use of printf.
14211 (print_header): New function, split out of main. Distinguish
14212 more carefully between an unrecognizable insn and an insn that
14213 has the code number of a define_expand.
14214 (main): Pass insn_code_number to gen_insn. Call print_header
14215 only after parsing. Avoid unnecessary use of printf.
14216 * Makefile.in (build/vec.o): New rule.
14217 (build/genextract): Depend on build/vec.o.
14218 (build/genextract.o): Don't depend on insn-config.h.
14220 2006-01-22 Zack Weinberg <zackw@panix.com>
14222 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14223 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14224 practical. Eliminate per-generator-program link rules.
14226 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14228 PR middle-end/24437
14229 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14230 with a call expr to ...
14231 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14233 2006-01-23 Richard Guenther <rguenther@suse.de>
14235 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14236 before make_edge with conditional EDGE_TRUE_VALUE.
14238 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14239 Jan Hubicka <jh@suse.cz>
14240 Richard Guenther <rguenther@suse.de>
14242 PR rtl-optimization/25654
14243 * cfgexpand.c (aggregate_contains_union_type): New function.
14244 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14245 for structure variables that contain a union type.
14247 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14249 * gengtype.c (new_structure): Return the structure.
14250 (create_option): Add an extra "next" argument.
14251 (create_field): New function.
14252 (adjust_field_rtx_def): Use create_option and create_field.
14253 Remove a now-unnecessary call to find_structure.
14254 (adjust_field_tree_def): Likewise.
14255 (note_yacc_type): Remove an unnecessary call to find_structure.
14256 * gengtype.h (new_structure): Return the structure.
14257 (create_option): Add an extra argument.
14258 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14259 (option): Adjust calls to create_option.
14261 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14263 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14265 2006-01-22 Paul Brook <paul@codesourcery.com>
14266 Peter Barada <peter@the-baradas.com>
14268 * config/m68k/m68k.md: Add Coldfire FPU support.
14269 Define FP mode macro and associated attributes.
14270 Use it for float mode patterns.
14271 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14272 (LIBCALL_VALUE): Use m68k_libcall_value.
14273 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14274 (m68k_function_value): Ditto.
14275 (emit_move_sequence): Ditto.
14276 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14277 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14278 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14279 (MULTILIB_EXCEPTIONS): Ditto.
14280 * config/m68k/m68k.opt: Add mcfv4e.
14281 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14282 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14283 (m68k_output_function_prologue): Save ColdFire FPU registers.
14284 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14285 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14286 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14287 ColdFire FPU registers.
14288 (m68k_libcall_value, m68k_function_value): New functions.
14289 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14290 (LIBCALL_VALUE): Use m68k_libcall_value.
14291 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14292 (MASK_COLDFIRE): Add MASK_CFV4E.
14293 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14294 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14295 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14296 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14297 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14298 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14299 * doc/invoke.tex: Document -mcfv4e on m68k.
14301 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14303 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14306 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14309 * c-opts.c (c_common_handle_option): Don't include
14310 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14311 * doc/invoke.texi (C++ Dialect Options): Document that
14312 -Wnon-virtual-dtor is no longer included in -Wall.
14314 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14316 * gcov.c (print_version), gcov-dump.c (print_version),
14317 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14320 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14322 * df-scan.c (problem_SCAN): Added NULL reset function.
14323 (df_scan_reset_blocks): Added code to call reset block function
14324 (df_bb_refs_delete) Fixed comment.
14325 (df_insn_refs_delete): Made tolerant of deleting non existent info
14326 for dataflow problems that need to be reset.
14327 * df-core.c (df_set_blocks): Ditto.
14328 * df.h (struct df_problem): Added reset_fun.
14329 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14330 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14331 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14332 functions to clear out all references to def-use or use-def chains.
14334 2006-01-21 Ben Elliston <bje@au.ibm.com>
14336 * varasm.c (assemble_real): Initialise data array.
14338 2006-01-20 Paul Brook <paul@codesourcery.com>
14340 Merge from csl-arm-branch.
14341 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14342 * config/arm/arm.md (movdi): Force operands[1] to a register
14343 if we have a non-register source.
14344 (*arm_movdi, *movdf_soft_insn): Require that one of the
14345 operands be a register.
14346 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14347 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14349 2006-01-20 DJ Delorie <dj@redhat.com>
14351 * varasm.c (initializer_constant_valid_p): Allow pointers
14352 initialized from integer constants of lesser precision.
14353 (output_constant): Allow non-int-sized pointer modes to be
14354 initialized from integer constants.
14356 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14359 * cppdefault.h (struct default_include): Add multilib flag.
14360 * cppdefault.c (cpp_include_defaults): Set it.
14361 * c.opt (-imultilib): New option.
14362 * c-opts.c (imultilib): New.
14363 (c_common_handle_option): Handle -imultilib.
14364 (c_common_post_options): Likewise.
14365 * c-incpath.c (add_standard_paths, register_include_chains):
14367 * c-incpath.h (register_include_chains): Add extra parameter.
14368 * gcc.c (do_spec_1): Generate -imultilib option.
14369 (The Specs Language): Update %I description.
14370 (process_command): Update copyright notice.
14371 * doc/cppopts.texi (-imultilib): Document.
14372 * doc/invoke.texi (-imultilib): Include in option summary.
14373 (%I): Update specs documentation.
14375 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14377 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14379 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14381 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14384 2006-01-20 Richard Guenther <rguenther@suse.de>
14385 Steven Bosscher <stevenb.gcc@gmail.com>
14387 PR rtl-optimization/24626
14388 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14389 EDGE_TRUE_VALUE if in RTL mode.
14392 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14393 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14395 2006-01-20 Dirk Mueller <dmueller@suse.com>
14398 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14399 instead of a special NOP marker.
14400 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14401 NOP marker handling.
14402 * c-common.h (empty_body_warning): Add forward declaration.
14403 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14404 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14406 2006-01-20 Paul Brook <paul@codesourcery.com>
14408 * Makefile.in (lang_checks): Keep going if mkdir fails.
14410 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14412 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14413 be able to clean out basic block when not necessary.
14414 (df_scan_free): Fixed to properly delete information if df is
14415 unused before calling df_finish.
14416 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14417 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14419 (df_bb_refs_delete): New function.
14420 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14421 * df-core.c (df_set_blocks): Added code to properly clean out
14422 unused blocks if they are not part of the blocks to consider.
14423 Added additional null check.
14424 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14425 be able to clean out basic block when not necessary
14426 * df.h (df_free_bb_function): Ditto.
14427 (df_bb_refs_delete): New function.
14428 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14429 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14430 basic block parameter to be able to clean out basic block when not
14432 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14433 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14434 Fixed to properly delete information if df is unused before
14437 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14439 PR rtl-optimization/25799
14440 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14441 Corrected confluence operator to remove bits from op2 before oring
14442 with op1 rather than removing bits from op1.
14443 (df_ru_transfer_function): Corrected test on wrong bitmap which
14444 caused infinite loop. Both of these problems were introduced in
14445 the dataflow rewrite.
14447 2006-01-19 DJ Delorie <dj@redhat.com>
14449 * reload1.c (find_reload_regs): Note the details of reload
14450 failures in the dump file.
14451 (spill_failure): Likewise.
14453 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14455 * loop-iv.c: Include df.h and hashtab.h.
14456 (enum iv_grd_result): New enum.
14457 (DF_REF_IV, DF_REF_IV_SET): New macros.
14458 (struct biv_entry): New.
14459 (df, bivs): New global variables.
14460 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14461 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14463 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14464 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14465 analyzed_for_bivness_p, record_biv): New functions.
14466 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14467 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14468 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14470 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14472 (iv_number_of_iterations): Use new interface to iv analysis.
14473 * loop-unroll.c: Do not include varray.h.
14474 (analyze_iv_to_split_insn): Use new interface to iv
14476 * loop-unswitch.c (may_unswitch_on): Ditto.
14477 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14479 (df_bb_modify): Realloc tables to the new index.
14480 (df_find_use): New function.
14481 * df.h (df_find_use): Declare.
14482 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14484 * cfgloop.h (struct rtx_iv): Remove analysed field.
14485 (iv_get_reaching_def): Removed.
14486 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14487 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14488 (loop-iv.o): Add df.h and hashtab.h dependency.
14489 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14491 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14494 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14496 (__floatundisf, __floatundidf): Likewise.
14497 * libgcc2.h (IS_IBM_EXTENDED): Define.
14499 2006-01-19 DJ Delorie <dj@redhat.com>
14501 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14503 2006-01-19 Paul Brook <paul@codesourcery.com>
14505 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14506 as nothrow when unwinding tables are disabled.
14508 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14511 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14512 of bit-field" when in system header.
14514 2006-01-19 DJ Delorie <dj@redhat.com>
14516 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14517 the 16 bit shift limit of the m16c.
14519 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14522 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14523 * config/i386/i386.c (output_set_got): Output the label if we have one
14524 for the TARGET_DEEP_BRANCH_PREDICTION case.
14526 2006-01-19 Jan Hubicka <jh@suse.cz>
14527 H.J. Lu <hongjiu.lu@intel.com>
14528 Evandro Menezes <evandro.menezes@amd.com>
14530 * invoke.texi (generic): Document
14532 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14533 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14534 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14535 (x86_use_incdec, x86_pad_returns): New variables
14536 (TARGET_CPU_DEFAULT_generic): New constant
14537 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14538 (enum processor_type): Add generic32 and generic64.
14539 * i386.md (cpu attribute): Add generic32/generic64
14540 (movhi splitter): Behave sanely when both partial_reg_dependency and
14541 partial_reg_stall are set.
14542 (K8 splitters): Enable for generic as well.
14543 * predicates.md (incdec_operand): Use TARGET_INCDEC
14544 (aligned_operand): Avoid memory mismatch stalls.
14545 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14546 * ppro.md: Enable for generic32
14547 * i386.c (generic64_cost, generic32_cost): New.
14548 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14549 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14550 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14551 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14552 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14553 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14554 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14555 x86_accumulate_outgoing_args, x86_prologue_using_move,
14556 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14557 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14558 Enable for generic.
14559 (x86_use_incdec, x86_pad_returns): New.
14560 (override_options): Add generic32 and generic64, translate "generic"
14561 to generic32/generic64 and "i686" to "generic32", refuse
14562 "generic32"/"generic64" as arch target.
14563 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14564 (ix86_reorg): Honor PAD_RETURNS.
14566 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14568 * tree-pretty-print.c (dump_generic_node): Handle
14569 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14570 * cgraph.c (cgraph_expand_queue): Rename from
14571 cgraph_analyze_queue. Update all users.
14572 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14573 cgraph_expand_queue.
14574 (cgraph_expand_all_functions): Likewise.
14575 (cgraph_finalize_pending_functions): Remove. Update callers.
14577 * tree.h (OMP_DIRECTIVE_P): Define.
14578 (OMP_PARALLEL_FN): Define.
14579 (OMP_PARALLEL_DATA_ARG): Define.
14580 (OMP_SECTIONS_SECTIONS): Define.
14581 * tree-pass.h (pass_expand_omp): Declare.
14582 * omp-low.c (struct omp_region): Declare.
14583 (struct omp_context): Remove fields 'parallel_type',
14584 'parallel_start_ix' and 'parallel_start_additional_args'.
14586 (struct omp_for_data): Rename from struct expand_omp_for_data.
14587 (omp_regions): New static variable.
14588 (root_omp_region): New static variable.
14589 (find_omp_clause): Make static.
14590 (is_in_combined_parallel_ctx): Remove.
14591 (is_combined_parallel): New.
14592 (extract_omp_for_data): Move earlier in the file.
14593 (workshare_safe_to_combine_p): New.
14594 (get_ws_args_for): New.
14595 (determine_parallel_type): Move earlier in the file.
14596 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14598 (omp_copy_decl): Likewise.
14599 (create_omp_child_function): Likewise.
14600 (lookup_omp_region): New.
14601 (dump_omp_region): New.
14602 (debug_omp_region): New.
14603 (debug_all_omp_regions): New.
14604 (new_omp_region): New.
14605 (scan_omp_parallel): If parallel_nesting_level > 1, the
14606 directive is nested within another parallel directive.
14607 Set OMP_PARALLEL_FN.
14608 (scan_omp_for): Do not try to handle combined parallel+for
14610 Remove FIXME comment.
14611 (scan_omp_nested): Remove.
14612 (scan_omp_1): Do not call scan_omp_nested when
14613 parallel_nesting_level is > 1.
14614 Do not change the DECL_CONTEXT of local variables found.
14615 (lookup_decl_in_outer_ctx): New.
14616 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14617 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14618 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14619 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14620 If CTX is nested, lookup VAR in the outer context when
14621 building copy assignment.
14622 (lower_send_clauses): Rename from expand_send_clauses.
14623 If CTX is nested, lookup VAR in the outer context when
14624 building copy assignments.
14625 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14626 If CTX is nested, lookup VAR in the outer context when
14627 building copy assignments.
14628 (expand_parallel_call): Rename from build_parallel_call.
14629 Handle combined parallel+workshare cases.
14630 Re-implement to emit code into the CFG.
14632 (expand_omp_parallel): Re-implement to emit code into the CFG.
14633 Call move_sese_region_to_fn to outline the sub-graph
14634 containing the parallel region.
14635 (expand_omp_for_1): Remove.
14636 (expand_omp_for_generic): Re-implement to emit code into the
14638 (expand_omp_for_static_nochunk): Likewise.
14639 (expand_omp_for_static_chunk): Likewise.
14640 (expand_omp_for): Likewise.
14641 (expand_omp_sections): Likewise.
14642 (remove_exit_barriers): New.
14643 (expand_omp_synch): New.
14645 (build_omp_regions_1): New.
14646 (build_omp_regions): New.
14647 (execute_expand_omp): New.
14648 (gate_expand_omp): New.
14649 (pass_expand_omp): Define.
14650 (lower_omp_sections): Rename from expand_omp_sections.
14651 Set OMP_SECTIONS_SECTIONS.
14652 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14653 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14654 (lower_omp_single): Rename from expand_omp_simple.
14655 (lower_omp_master): Rename from expand_omp_master.
14656 (lower_omp_ordered): Rename from expand_omp_ordered.
14657 (lower_omp_critical): Rename from expand_omp_critical.
14658 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14659 (lower_omp_for): Re-implement.
14660 (lower_omp_parallel): Re-implement.
14661 (lower_regimplify): Rename from expand_regimplify.
14662 (lower_omp_1): Rename from expand_omp_1.
14663 If there are syntax errors in the program, replace every
14664 OpenMP directive with NOP.
14665 Call lower_omp_* instead of expand_omp_*.
14666 (lower_omp): Rename from expand_omp.
14668 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14669 * tree-gimple.h (enum omp_parallel_type): Remove.
14670 (gimple_boolify): Declare extern.
14671 (find_omp_clause, determine_parallel_type): Remove.
14673 * gimple-low.c (lower_omp_directive): New.
14674 (lower_stmt): Call it.
14675 (record_vars_into): Move from ...
14676 (record_vars): ... here.
14677 Call record_vars_into with current_function_decl.
14679 * gimplify.c (struct gimplify_ctx): Remove fields
14680 combined_pre_p and combined_ctxp. Update users.
14681 (get_formal_tmp_var): Add documentation.
14682 (gimple_boolify): Make extern.
14683 (gimplify_expr_in_ctx): Remove. Update callers.
14684 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14685 will always be a BIND_EXPR.
14686 (gimplify_expr): Handle OMP_RETURN_EXPR.
14687 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14688 (OMP_PARALLEL): Add 3 operands.
14689 (OMP_SECTIONS): Add 1 operand.
14690 (OMP_RETURN_EXPR): Define.
14692 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14693 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14694 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14695 creating a circular free list.
14696 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14698 * tree-flow.h (move_sese_region_to_fn): Declare.
14699 (record_vars_into): Declare.
14700 * tree-cfg.c (make_omp_sections_edges): New.
14701 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14702 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14703 OMP_SECTIONS and OMP_SECTION.
14704 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14705 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14706 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14707 (gather_blocks_in_sese_region): New.
14708 (struct move_stmt_d): Declare.
14709 (move_stmt_r): New.
14710 (move_block_to_fn): New.
14711 (move_sese_region_to_fn): New.
14713 * passes.c (init_optimization_passes): Schedule
14714 pass_expand_omp after pass_init_datastructures.
14716 * tree-ssa-operands.c (get_expr_operands): Handle
14717 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14718 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14720 2006-01-19 Jeff Law <law@redhat.com>
14722 * tree-vrp.c (extract_range_from_assert): Refine the result range
14723 if the variable referenced by the ASSERT_EXPR has a range and
14724 either the tentative result range or the previous range is a
14727 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14729 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14731 2006-01-19 Jan Hubicka <jh@suse.cz>
14733 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14735 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14737 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14738 (expand_compound_operation, expand_field_assignment): Fail if the
14739 bit lengths of an extract operation are out of range.
14740 (make_extraction): Compute wanted_inner_mode based on the position
14741 and length of the extraction. Make it extraction_mode for non-constant
14742 positions, and do not modify offset in that case. When generating a
14743 new MEM, use a mode that can hold the extraction while keeping correct
14744 alignment. Remove code that supported MEMs wrapped by USEs.
14745 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14747 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14749 * config/s390/s390.md ("Y", "y"): New mode attribute.
14750 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14751 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14752 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14753 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14754 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14755 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14756 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14757 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14758 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14759 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14760 "addsi3", "subsi3"): Insn patterns removed.
14761 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14762 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14763 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14764 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14765 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14766 "*sub<mode>3_cconly2"): New insn patterns.
14767 ("addsi3", "subsi3"): New expanders.
14769 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14771 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14772 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14773 existing STMT_VINFO_VECTYPE if available.
14774 (vect_mark_relevant): Add special handling for stmts that are
14775 marked as STMT_VINFO_IN_PATTERN_P.
14776 (vect_analyze_loop): Call vect_pattern_recog.
14777 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14778 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14780 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14781 (vect_recog_func_ptr): New function-pointer type.
14782 * tree-vect-patterns.c: New file.
14783 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14784 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14785 (vect_pattern_recog_1): New functions.
14786 (vect_pattern_recog_funcs): New array of function pointers.
14788 * tree-vectorizer.h (ternary_op): New enum value.
14789 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14790 declaration. Revised documentation. Removed redundant dump prints.
14791 Removed redundant argument. Added support for reduction patterns.
14792 (vectorizable_reduction): Added support for reduction patterns.
14793 (vect_transform_stmt): Added support for patterns.
14795 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14796 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14797 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14798 (expand_widen_pattern_expr): New function.
14799 (init_optabs): Initialize new optabs udot_prod_optab,
14801 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14802 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14803 (expand_widen_pattern_expr): New function declaration.
14804 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14806 * tree-inline.c (estimate_num_insns_1): Added cases for new
14807 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14808 * tree-pretty-print.c (dump_generic_node): Likewise.
14809 (op_prio): Likewise.
14810 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14811 * tree-ssa-operands.c (get_expr_operands): Added case for
14813 * tree-vect-patterns.c (widened_name_p): New function.
14814 (vect_recog_dot_prod_pattern): Added function implementation.
14815 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14816 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14817 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14818 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14820 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14821 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14822 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14823 (init_optabs): Initialize new optabs widen_ssum_optab,
14825 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14826 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14827 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14828 use instead of type of def.
14829 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14830 function implementation.
14831 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14832 widen_ssumv8hi): New.
14834 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14837 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14840 * c-decl.c (add_flexible_array_elts_to_size): New function.
14841 (finish_decl): Use it.
14843 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14845 * diagnostic.h: Include options.h.
14846 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14847 dependancies for diagnostic.h.
14848 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14850 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14852 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14853 (ssa_ro_call_cache_valid): Ditto.
14854 * tree-ssa-alias.c (sort_tags_by_id): New function.
14855 (init_transitive_clobber_worklist): Ditto.
14856 (add_to_worklist): Ditto.
14857 (mark_aliases_call_clobbered): Ditto.
14858 (compute_tag_properties): Ditto.
14859 (set_initial_properties): Ditto.
14860 (compute_call_clobbered): Ditto.
14861 (compute_may_aliases): Call compute_call_clobbered and grouping.
14862 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14863 (compute_flow_insensitive_aliasing): Grouping now happens in our
14865 (setup_pointers_and_addressables): Remove clobbering related code.
14866 (add_may_alias): Ditto.
14867 (replace_may_alias): Ditto.
14868 (get_nmt_for): Ditto.
14869 (create_global_var):
14870 (is_escape_site): Return an escape_type enumeration.
14871 * tree-flow-inline.h (is_call_clobbered): Global var does not
14872 imply call clobbered.
14873 (mark_call_clobbered): Take a reason for marking this. Remove
14874 marking of globalness, and cache invalidation.
14875 (clear_call_clobbered): Remove cache invalidation code.
14876 * tree-dfa.c (dump_variable): If details is on, dump the reason
14878 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14880 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14881 (struct var_ann_d): Ditto.
14882 (enum escape_type): New.
14883 (mark_call_clobbered): Adjust prototype.
14884 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14885 are never call clobbered.
14886 Record reasons for escaping.
14887 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14888 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14889 (ssa_ro_call_cache_valid): Ditto.
14890 (clobbered_v_may_defs): Ditto.
14891 (clobbered_vuses): Ditto.
14892 (ro_call_vuses): Ditto.
14893 (clobber_stats): New.
14894 (init_ssa_operands): Zero out clobber stats.
14895 (fini_ssa_operands): Print out clobber stats.
14896 (get_call_expr_operands): Pass callee fndecl to
14897 add_call_read_ops).
14898 (add_call_clobber_ops): Remove use of cache.
14899 Add use of PURE_CONST information.
14900 (add_call_read_ops): Remove use of cache.
14901 Add use of static not_read information.
14903 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14905 Introduce TLS descriptors for i386 and x86_64.
14906 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14907 (TARGET_ANY_GNU_TLS): New macro.
14908 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14909 (struct machine_function): Add tls_descriptor_call_expanded_p.
14910 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14911 (ix86_current_function_calls_tls_descriptor): Likewise.
14912 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14913 (override_options): Introduce gnu2 tls dialect.
14914 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14916 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14918 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14919 (ix86_init_machine_status): Initialize new field.
14920 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14921 (ix86_tls_module_base): New.
14922 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14923 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14924 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14925 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14926 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14927 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14928 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14929 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14930 * config/i386/predicates.md (tls_modbase_operand): New.
14931 (tp_or_register_operand): New.
14933 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14935 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14936 (look_for_address_of): Ditto.
14937 (ipa_init): Walk the function decls.
14938 (static_execute): Don't set readonly on FUNCTION_DECL's.
14940 2006-01-18 Roger Sayle <roger@eyesopen.com>
14942 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14943 for shifts where the source and destination registers are different.
14945 2006-01-18 Paul Brook <paul@codesourcery.com>
14947 Merge from csl-arm-branch.
14948 2005-03-14 Julian Brown <julian@codesourcery.com>
14949 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14950 (aeabi_llsl): Likewise.
14951 (ashrdi3): Likewise.
14952 (aeabi_lasr): Likewise.
14953 (lshrdi3): Likewise.
14954 (aeabi_llsr): Likewise.
14955 2005-03-10 Julian Brown <julian@codesourcery.com>
14956 * config.gcc: Disable shared libgcc for SymbianOS.
14957 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14959 2006-01-18 DJ Delorie <dj@redhat.com>
14961 * c-pragma.c (handle_pragma_diagnostic): New.
14962 (init_pragma): Register it.
14963 * doc/extend.texi: Document it.
14965 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14966 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14967 (diagnostic_context): Add classify_diagnostic[].
14968 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14969 as errors if they're overridden to DK_WARNING.
14970 (diagnostic_initialize): Initialize classify_diagnostic[].
14971 (diagnostic_set_kind_override): New.
14972 (diagnostic_report_diagnostic): Check for kind changes.
14973 * opts.c (common_handle_option): Take lang_mask. Update callers.
14974 Handle OPT_Werror_.
14975 * common.opt (Werror=): New.
14976 * doc/invoke.texi: Document -Werror=*
14978 2006-01-18 Jeff Law <law@redhat.com>
14980 * tree-vrp.c (test_for_singularity): Correct test for new
14981 min limit. Use operand_equal_p rather than pointer equality
14982 for testing if new min/max values are equal.
14984 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14985 using range information until after propagation and folding.
14987 2006-01-18 Richard Henderson <rth@redhat.com>
14988 Aldy Hernandez <aldyh@redhat.com>
14989 Jakub Jelinek <jakub@redhat.com>
14990 Diego Novillo <dnovillo@redhat.com>
14992 * omp-low.c: New file.
14993 * c-omp.c: New file.
14995 2006-01-18 Richard Henderson <rth@redhat.com>
14996 Jakub Jelinek <jakub@redhat.com>
14997 Diego Novillo <dnovillo@redhat.com>
14999 * doc/invoke.texi: Document -fopenmp.
15000 * tree-dump.h (debug_function): Declare.
15001 * hooks.c (hook_bool_tree_bool_false): New function.
15002 (hook_tree_tree_null): Remove.
15003 (hook_tree_tree_tree_null): New.
15004 * hooks.h: Update to match.
15005 * tree-pretty-print.c (debug_tree_chain): New.
15006 (print_generic_expr): Handle TDF_CHAIN.
15007 (dump_generic_node): Handle BLOCK.
15008 Do not abort with incomplete SWITCH_EXPRs.
15009 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15010 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15011 print space after directive name.
15012 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15013 Handle OMP_MASTER and OMP_ORDERED.
15014 Handle printing of OMP_BODY just in one place, goto
15015 dump_omp_body in the rest of OMP_* nodes that have
15017 Don't handle clause nodes here. Update omp statements to
15018 use dump_omp_clauses.
15019 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15020 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15021 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15022 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15023 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15024 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15025 Adjust output for GOMP_PARALLEL.
15026 (dump_omp_clauses): New.
15027 (print_declaration): Dump DECL_VALUE_EXPR.
15028 (op_symbol_1): Split out of op_symbol.
15029 (dumping_stmts): Remove. Update all users.
15030 * cgraph.c (cgraph_analyze_queue): New.
15031 (cgraph_add_new_function): New.
15032 * cgraph.h (cgraph_analyze_queue): Declare.
15033 (cgraph_add_new_function): Declare.
15034 (cgraph_lower_function): Remove.
15035 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15036 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15037 and TYPE_P nodes in its default clause.
15038 (empty_body_p): New.
15039 (tree_range_check_failed): New.
15040 (build5_stat): New.
15041 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15042 OMP_CLAUSE_REDUCTION_MERGE,
15043 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15044 OMP_CLAUSE_PRIVATE_DEBUG,
15045 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15046 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15047 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15048 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15049 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15050 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15051 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15052 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15053 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15054 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15055 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15056 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15057 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15058 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15059 (TREE_RANGE_CHECK): New.
15060 (empty_body_p): Declare.
15061 (enum omp_clause_default_kind): New.
15062 (build_string_literal): Declare.
15063 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15064 (build5_stat, build5): Declare.
15065 * tree-pass.h (TDF_CHAIN): Define.
15066 * tree-pass.h (PROP_gimple_lomp): Define.
15067 (pass_lower_omp): Declare.
15068 * diagnostic.h (debug_tree_chain): Declare.
15069 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15071 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15072 * builtins.c (build_string_literal): Make extern.
15073 * gcc.c (include_spec_function): New.
15074 (static_spec_functions): Add it.
15075 (main): Move load of libgomp.spec ...
15076 (LINK_COMMAND_SPEC): ... here.
15077 (link_gomp_spec): New.
15078 (static_specs): Include it.
15079 (LINK_COMMAND_SPEC): Add link_gomp.
15080 (GOMP_SELF_SPECS): New.
15081 (driver_self_specs): Include it.
15082 (switch_matches): Don't mark inline.
15083 (main): Load libgomp.spec.
15084 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15085 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15086 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15087 * tree-gimple.h (enum omp_parallel): Declare.
15088 (determine_parallel_type): Declare.
15089 (omp_firstprivatize_variable): Declare.
15090 (omp_reduction_init): Declare.
15091 (diagnose_omp_structured_block_errors): Declare.
15092 (struct walk_stmt_info): Add want_return_expr.
15093 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15094 (find_omp_clause): Declare.
15095 (insert_field_into_struct): Declare.
15096 (struct walk_stmt_info): Move from tree-nested.c
15097 (walk_stmts): Declare.
15098 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15100 * cgraphunit.c (cgraph_lower_function): Make static.
15101 (cgraph_finalize_pending_functions): New.
15102 (cgraph_finalize_function): Call it.
15103 (cgraph_finalize_compilation_unit): Likewise.
15104 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15105 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15106 (BT_FN_UINT_UINT): New.
15107 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15108 DEF_FUNCTION_TYPE_VAR_4): Document.
15109 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15110 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15111 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15112 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15113 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15114 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15115 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15116 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15117 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15118 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15119 into separate files.
15120 (DEF_GOMP_BUILTIN): New.
15121 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15122 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15123 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15124 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15125 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15126 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15127 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15128 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15129 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15130 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15131 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15132 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15133 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15134 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15135 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15136 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15137 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15138 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15139 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15140 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15141 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15142 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15143 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15144 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15145 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15146 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15147 * sync-builtins.def: New file, moved from builtins.def.
15148 * omp-builtins.def: New file, moved from builtins.def.
15149 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15150 * gimple-low.c (lower_function_body): Clear data.
15151 (lower_stmt): Do not handle COMPOUND_EXPR.
15152 Remove call to print_node_brief.
15153 * c-tree.h (c_finish_omp_clauses): New prototype.
15154 (C_DECL_THREADPRIVATE_P): Define.
15155 (lookup_name_no_remap, c_omp_remap_private): Remove
15156 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15157 (check_for_loop_decls): Update decl.
15158 (lookup_name_no_remap, c_omp_remap_private): Declare.
15159 (build_indirect_ref, build_modify_expr, pushdecl,
15160 pushdecl_top_level): Move to c-common.h.
15161 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15162 before the switch, but just in the 2 places that need it.
15163 * c-decl.c (diagnose_mismatched_decls): Do not check for
15164 mismatched thread-local attributes when OLDDECL is marked
15165 threadprivate and NEWDECL has no thread-local attributes.
15166 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15167 (c_gimple_diagnostics_recursively): Rename from
15168 c_warn_unused_result_recursively. Invoke
15169 diagnose_omp_structured_block_errors.
15170 (check_for_loop_decls): Return a singular decl found.
15171 * langhooks.c (lhd_omp_predetermined_sharing): Return
15172 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15173 (lhd_omp_firstprivatize_type_sizes): New.
15174 (lhd_omp_assignment): New.
15175 (lhd_omp_predetermined_sharing): New.
15176 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15177 (struct lang_hooks_for_types): Add
15178 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15179 omp_predetermined_sharing, omp_disregard_value_expr,
15180 omp_private_debug_clause, omp_clause_default_ctor,
15181 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15182 (c_finish_omp_clauses): New.
15183 (c_finish_bc_stmt): Diagnose break within omp for.
15184 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15185 (build_unary_op): Return error_mark after reporting
15187 (build_modify_expr): Likewise.
15188 * gimplify.c: Include optabs.h and pointer-set.h.
15189 (enum gimplify_omp_var_data): Declare.
15190 (struct gimplify_omp_ctx): Declare.
15191 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15193 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15194 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15195 (splay_tree_compare_decl_uid): New.
15196 (new_omp_context): New.
15197 (delete_omp_context): New.
15198 (gimple_add_tmp_var): Call omp_add_variable.
15199 (gimplify_bind_expr): Likewise.
15200 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15201 true, disregard DECL_VALUE_EXPR on the decl if any.
15202 (gimplify_expr_in_ctx): New.
15203 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15204 omp_add_variable, omp_notice_variable, omp_is_private
15205 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15206 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15207 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15208 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15209 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15210 gimplify_omp_atomic): New.
15211 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15212 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15213 OMP_CRITICAL and OMP_ATOMIC.
15214 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15215 * c-pragma.h (enum pragma_kind): Add
15216 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15217 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15218 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15219 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15220 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15221 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15222 PRAGMA_OMP_THREADPRIVATE.
15223 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15224 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15225 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15226 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15227 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15228 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15229 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15230 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15231 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15232 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15233 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15234 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15235 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15237 (struct nesting_info): Add field_map,
15238 suppress_expansion, debug_var_chain.
15239 (create_nesting_tree): Initialize them.
15240 (lookup_field_for_decl): Use field_map.
15241 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15242 (convert_local_omp_clauses): New.
15243 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15244 (walk_body): Split out of walk_function.
15245 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15246 (convert_nonlocal_reference): Handle omp statements.
15247 (convert_local_reference): Likewise.
15248 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15249 (unnest_nesting_tree): New.
15250 (lower_nested_functions): Call it.
15251 (insert_field_into_struct): Make extern.
15252 (struct walk_stmt_info): Move to tree-gimple.h.
15253 (walk_stmts): Make extern.
15254 * omp-builtins.def: New file.
15255 * tree-iterator.c (expr_only): Clarify comment.
15256 * c-common.h (pushdecl_top_level, pushdecl,
15257 build_modify_expr, build_indirect_ref,
15258 c_finish_omp_master, c_finish_omp_critical,
15259 c_finish_omp_ordered, c_finish_omp_barrier,
15260 c_finish_omp_atomic, c_finish_omp_flush,
15261 c_finish_omp_for, c_split_parallel_clauses,
15262 omp_clause_default_kind, c_omp_sharing_predetermined,
15263 c_omp_remap_decl): Declare.
15264 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15265 (OBJS-common): Add omp-low.o.
15266 (c-omp.o, omp-low.o): Add.
15267 (gimplify.o): Add dependency on $(OPTABS_H).
15268 (GTFILES): Add omp-low.c.
15269 (gt-stringpool.h): Add.
15270 * tree-cfg.c (set_bb_for_stmt): Do not update the
15271 block-to-labels map if we are currently expanding to RTL.
15272 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15274 Handle IDENTIFIER_NODE.
15275 (tree_verify_flow_info): Do not ICE when emitting error
15276 messages about invalid labels.
15277 (dump_function_to_file): Reset CFUN before emitting the body
15279 (debug_function): New.
15280 * passes.c (init_optimization_passes): Schedule
15282 * langhooks-def.h (lhd_omp_predetermined_sharing,
15283 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15285 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15286 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15287 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15288 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15289 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15290 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15291 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15292 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15293 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15294 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15295 (LANG_HOOK_DECLS): Use them.
15297 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15298 Richard Henderson <rth@redhat.com>
15299 Jakub Jelinek <jakub@redhat.com>
15300 Diego Novillo <dnovillo@redhat.com>
15302 * c-parser.c (pragma_omp_clause): Define.
15303 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15304 (c_parser_compound_statement): Likewise.
15305 (c_parser_statement): Likewise.
15306 (c_parser_pragma): Handle omp pragmas.
15307 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15308 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15309 (c_parser_omp_clause_name, check_no_duplicate_clause,
15310 c_parser_omp_variable_list,
15311 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15312 c_parser_omp_clause_copyprivate,
15313 c_parser_omp_clause_default,
15314 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15315 c_parser_omp_clause_lastprivate,
15316 c_parser_omp_clause_nowait,
15317 c_parser_omp_clause_num_threads,
15318 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15319 c_parser_omp_clause_reduction,
15320 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15321 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15322 c_parser_omp_atomic, c_parser_omp_barrier,
15323 c_parser_omp_critical, c_parser_omp_flush,
15324 c_parser_omp_for_loop, c_parser_omp_for,
15325 c_parser_omp_master, c_parser_omp_ordered,
15326 c_parser_omp_sections_scope, c_parser_omp_sections,
15327 c_parser_omp_parallel, c_parser_omp_single,
15328 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15329 * c-pragma.c (init_pragma): Do omp pragma registration here.
15330 * c.opt (fopenmp): New flag.
15332 2006-01-18 Eric Christopher <echristo@apple.com>
15334 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15335 * config/darwin.h (GOMP_SELF_SPECS): Define.
15337 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15339 * rtl.h: Remove the prototype for reg_alloc.
15341 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15344 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15345 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15346 sjlj and dwarf2 exception handling.
15347 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15348 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15349 * pa/pa.c (function_value): Treat complex and vector types as
15351 (function_arg): Likewise. Only pass scalar floats in the floating
15352 point argument registers.
15353 * pa/t-slibgcc-dwarf-ver: New file.
15354 * pa/t-slibgcc-sjlj-ver: New file.
15355 * pa/t-slibgcc-elf-ver: Delete file.
15357 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15359 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15360 unlikely_test_section_p test.
15362 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15364 * mode-switching.c (optimize_mode_switching): Make it static.
15365 * basic-block.h: Remove the prototype for
15366 optimize_mode_switching.
15368 * modulo-sched.c (sms_schedule): Make it static.
15369 * rtl.h: Remove the prototype for sms_schedule.
15371 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15372 * rtl.h: Remove the prototype for gcse_after_reload_main.
15374 * reg-stack.c (reg_to_stack): Make it static.
15375 * rtl.h: Remove the prototype for reg_to_stack.
15377 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15379 * rtl.h: Remove the prototypes for regrename_optimize and
15380 copyprop_hardreg_forward.
15382 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15384 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15385 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15386 Test against the appropriate null constant for the mode.
15387 If 'fixup_overlap' is true, swap the operands if they overlap.
15388 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15389 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15390 alpha_split_tmode_pair and adjust for above change.
15391 * config/alpha/alpha.md (movtf_internal): Adjust call to
15392 alpha_split_tfmode_pair and rely on it to swap the operands.
15393 (movti_internal): New insn and post-reload splitter.
15394 (movti): New expander.
15396 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15398 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15401 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15403 * rtlanal.c (global_reg_mentioned_p_1,
15404 global_reg_mentioned_p): Remove.
15405 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15407 * flow.c (initialize_uninitialized_subregs): Make it static.
15408 * rtl.h: Remove the prototype for
15409 initialize_uninitialized_subregs.
15411 * function.c (instantiate_virtual_regs): Make it static.
15412 * function.h: Remove the prototype for
15413 instantiate_virtual_regs.
15415 * regmove.c (regmove_optimize, combine_stack_adjustments):
15417 * rtl.h: Remove the prototypes for regmove_optimize and
15418 combine_stack_adjustments.
15420 2006-01-17 Roger Sayle <roger@eyesopen.com>
15422 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15423 (size_cost): Encode costs in bytes so that a reg-reg addition is
15424 equivalent to COSTS_N_INSNS(1).
15425 (override_options): Use the size_cost.branch_cost as the default
15426 ix86_branch_cost when optimizing for size.
15428 2006-01-18 Ben Elliston <bje@au.ibm.com>
15430 * Makefile.in (D32PBIT_FUNCS): New.
15431 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15432 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15433 D64PBIT_FUNCS and D128PBIT_FUNCS.
15434 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15435 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15437 (decnumber_dep): Define.
15438 * doc/libgcc.texi (Decimal float library routines): New node.
15439 * config/dfp-bit.h, config/dfp-bit.c: New files.
15441 2006-01-18 Ben Elliston <bje@au.ibm.com>
15443 * expr.c (emit_move_change_mode): Always adjust addresses, not
15444 just during reload. Copy replacements only during reload.
15445 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15446 emit_move_via_integer.
15448 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15450 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15451 instead of $(srcdir) and ${srcdir}.
15453 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15456 PR middle-end/11135
15457 * arm.h (struct machine_function): Add pic_reg.
15458 * arm.c (arm_pic_register): Make unsigned.
15459 (arm_override_options): Only set arm_pic_register if
15460 TARGET_SINGLE_PIC_BASE.
15461 (use_return_insn): Only test for a pic register if it is fixed.
15462 (arm_compute_save_reg0_reg12_mask): Likewise.
15463 (thumb_compute_save_reg_mask): Likewise.
15464 (legitimate_pic_operand): Factor out some known invariants.
15465 (legitimize_pic_address): If we don't have a fixed pic register,
15466 then set up a pseudo in the function entry sequence. Handle the
15467 pic base being in a pseudo.
15468 (arm_load_pic_register): Handle the pic register being in a pseudo.
15469 (arm_expand_prologue): Only set up the pic register if it is fixed.
15470 (thumb_expand_prologue): Likewise.
15471 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15472 (pic_load_addr_based_insn): Likewise.
15473 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15476 2006-01-18 Ben Elliston <bje@au.ibm.com>
15478 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15479 decimal float modes for all floating point registers.
15481 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15482 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15484 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15487 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15488 even when the pointer is not NULL.
15490 2006-01-16 Ian Lance Taylor <ian@airs.com>
15492 * common.opt (ftoplevel-reorder): New option.
15493 * cgraph.c (cgraph_asm_nodes): New global variable.
15494 (cgraph_asm_last_node): New static variable.
15495 (cgraph_order): New global variable.
15496 (cgraph_create_node): Set new order field.
15497 (cgraph_varpool_node): Likewise.
15498 (decide_is_variable_needed): Return true if not
15499 flag_toplevel_reorder.
15500 (cgraph_add_asm_node): New function.
15501 * cgraph.h (struct cgraph_node): Add order field.
15502 (struct cgraph_varpool_node): Add order field.
15503 (struct cgraph_asm_node): Define.
15504 (cgraph_asm_nodes, cgraph_order): Declare.
15505 (cgraph_add_asm_node): Declare.
15506 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15508 (cgraph_varpool_assemble_pending_decls): Call it.
15509 (cgraph_output_pending_asms): New static function.
15510 (cgraph_finalize_compilation_unit): Call it.
15511 (struct cgraph_order_sort): Define.
15512 (cgraph_output_in_order): New static function.
15513 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15514 !flag_toplevel_reorder case.
15515 * c-parser.c: Include "cgraph.h".
15516 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15518 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15519 than -fno-unit-at-a-time.
15520 * doc/invoke.texi (Option Summary): Mention
15521 -fno-toplevel-reorder.
15522 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15523 -funit-at-a-time documentation.
15525 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15526 Kazu Hirata <kazu@codesourcery.com>
15528 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15530 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15532 * Makefile.in (FUNCTION_H): New. Use it instead of
15533 function.h throughout the file.
15534 * function.h: Include tree.h.
15536 2006-01-17 Ben Elliston <bje@au.ibm.com>
15538 * recog.c: Separate some functions with whitespace.
15540 2006-01-16 Richard Henderson <rth@redhat.com>
15542 Merge from gomp branch:
15543 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15544 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15545 and rename from struct inline_data. Rename callee* to dst*;
15546 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15547 transform_new_cfg, transform_return_to_modify, and
15548 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15550 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15551 (copy_decl_for_dup): Remove.
15552 * tree-inline.c (struct inline_data): Move to header.
15553 (insert_decl_map): Export.
15554 (remap_decl): Update for member name changes. Use copy_decl hook.
15555 Allow for replacement to be a non-decl. Remove dead code.
15556 (remap_type_1): Check for existing mapping.
15557 (remap_type): Export.
15558 (remap_decls): Update for member name changes.
15559 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15560 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15561 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15562 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15563 (tree_function_versioning, build_duplicate_type): Likewise.
15564 (copy_body_r): Likewise. Export.
15565 (copy_decl_for_dup): Split into ...
15566 (copy_decl_for_dup_finish, copy_decl_to_var,
15567 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15568 (replace_ref_tree, inlining_p): Remove.
15570 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15572 * ifcvt.c (if_convert): Make it static.
15573 * rtl.h: Remove the prototype for if_convert.
15575 * local-alloc.c (local_alloc): Make it static.
15576 * rtl.h: Remove the prototype for local_alloc.
15578 * loop.c (loop_optimize): Make it static.
15579 * cfgloop.h: Remove the prototype for loop_optimize.
15582 2006-01-16 DJ Delorie <dj@redhat.com>
15584 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15587 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15589 * pa.md: Disparage copies between general and floating-point registers
15590 in 32-bit move patterns.
15592 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15595 * Makefile.in (check-%): Depend on site.exp instead of
15596 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15599 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15601 * global.c (global_alloc): Make it static.
15602 * rtl.h: Remove the prototype for global_alloc.
15604 2006-01-16 Richard Guenther <rguenther@suse.de>
15606 * tree-ssa-alias.c (struct used_part): Add write_only field.
15607 (get_or_create_used_part_for): Initialize it to true.
15608 (create_overlap_variables_for): Don't create structure variables
15609 for structures that only are written to.
15610 (find_used_portions): Handle MODIFY_EXPR to track whether a
15611 structure is only written to.
15613 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15615 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15617 * basic-block.h: Remove the prototype for
15618 partition_hot_cold_basic_blocks.
15620 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15622 * cppspec.c (lang_specific_spec_functions): Remove.
15623 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15624 * gcc.h (lang_specific_spec_functions): Remove.
15625 * gccspec.c (lang_specific_spec_functions): Remove.
15627 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15629 * combine.c (record_value_for_reg): Invalidate registers
15631 (record_dead_and_set_regs_1): Likewise, by passing them to
15632 record_value_for_reg.
15633 (record_dead_and_set_regs): Invalidate stores made by a
15634 call. We do not combine across a call, but we still
15635 relied on equivalences.
15637 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15639 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15640 vrp_int_const_binop returning non-constant nodes.
15642 2006-01-16 Paul Brook <paul@codesourcery.com>
15644 * config/m68k/m68k.c (output_move_const_into_data_reg):
15645 Output correct mnemonic for mvz and mvs.
15647 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15649 * rtl-factoring.c: Add sequence abstraction algorithm.
15650 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15651 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15653 (block_has_preserve_label): New function.
15654 * common.opt: Register new pass.
15655 * Makefile.in: Ditto.
15657 * timevar.def: Ditto.
15658 * tree-pass.h: Ditto.
15659 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15660 * rtl.h (make_jump_insn_raw): Add forward decl.
15661 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15663 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15664 Roger Sayle <roger@eyesopen.com>
15666 * fold-const.c (fold_minmax): New static function.
15667 (fold_binary) <MIN_EXPR>: Call it.
15668 <MAX_EXPR>: Likewise.
15669 * stor-layout.c (place_field): Use DECL_SIZE consistently
15670 in the computation of the new record size.
15672 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15674 * cse.c (cse_condition_code_reg): Make it static.
15675 * rtl.h: Remove the prototype for cse_condition_code_reg.
15677 * combine.c (combine_instructions): Make it static.
15678 * rtl.h: Remove the prototype for combine_instructions.
15680 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15683 * tree.c (get_file_function_name_long): Concatenate the first global
15684 object name with a string derived from the input filename of the object
15687 2006-01-16 Ben Elliston <bje@au.ibm.com>
15689 * config/i386/winnt-stubs.c: Update FSF address.
15690 * config/xtensa/ieee754-df.S: Ditto.
15691 * config/xtensa/ieee754-sf.S: Ditto.
15693 2006-01-14 Ian Lance Taylor <ian@airs.com>
15695 * ifcvt.c (noce_init_if_info): New static function, broken out of
15696 noce_process_if_block.
15697 (noce_process_if_block): Call noce_init_if_info.
15698 (check_cond_move_block): New static function.
15699 (cond_move_process_if_block): New static function.
15700 (process_if_block): Call cond_move_process_if_block.
15702 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15704 * cselib.c (hash_table): Rename to cselib_hash_table.
15705 (cselib_clear_table, discard_useless_values,
15706 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15707 cselib_init, cselib_finish): Adjust uses of hash_table.
15709 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15711 PR tree-optimization/25485
15712 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15713 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15714 is known to be false and true, respectively.
15716 2006-01-14 Richard Guenther <rguenther@suse.de>
15718 PR tree-optimization/22548
15719 PR tree-optimization/22555
15720 PR tree-optimization/22501
15721 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15722 * params.def (salias-max-array-elements): New parameter.
15723 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15724 * doc/invoke.texi (salias-max-array-elements): Document.
15725 * tree-flow-inline.h (var_can_have_subvars): We also handle
15727 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15729 * tree-ssa-structalias.c (params.h): Include.
15730 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15731 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15732 (get_constraint_for): For ADDR_EXPR operating on something
15733 containing an ARRAY_REF, add all subvars to the solution.
15734 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15735 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15736 for creating MUST_DEFs.
15737 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15739 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15741 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15743 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15744 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15745 number_of_iterations_le): New functions.
15746 (number_of_iterations_special): Removed.
15747 (number_of_iterations_exit): Do not use number_of_iterations_special.
15748 * tree.c (unsigned_type_for): Always return integer type.
15750 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15751 Richard Guenther <rguenther@suse.de>
15753 PR rtl-optimization/24257
15754 * gcse.c (find_moveable_store): Only consider a store movable
15755 when the SET_SRC of the insn can be assigned to a register.
15757 2006-01-14 Ian Lance Taylor <ian@airs.com>
15759 * tree.c (tree_not_class_check_failed): New function.
15760 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15761 (tree_not_class_check_failed): Declare.
15763 2006-01-13 Ian Lance Taylor <ian@airs.com>
15765 * reload1.c (do_output_reload): Add assertion rejecting a
15768 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15770 * combine.c (struct reg_stat): Add new fields truncation_label and
15772 (record_value_for_reg): Reset truncated_to_mode.
15773 (record_truncated_value): New function.
15774 (check_promoted_subreg): Call it. Rename to check_conversions.
15775 (combine_instructions): Rename check_promoted_subreg to
15777 (reg_truncated_to_mode): New function.
15778 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15779 (gen_lowpart_or_truncate): New function.
15780 (force_to_mode): Use it instead of gen_lowpart.
15782 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15784 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15785 VAR is a tag, not its type tag.
15787 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15789 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15790 alternatives to match style of other entries.
15791 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15793 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15795 PR tree-optimization/25771
15796 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15799 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15802 * tree-inline.c (declare_return_variable): If the return variable
15803 was marked as a non gimple complex, set the return slot variable
15804 to be a non gimple comple variable.
15806 2006-01-13 Richard Guenther <rguenther@suse.de>
15808 * builtins.c (expand_builtin_sincos): New function.
15809 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15811 (expand_builtin): Expand sincos using expand_builtin_sincos.
15813 2006-01-12 DJ Delorie <dj@redhat.com>
15815 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15816 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15817 so that constant shifts can be split.
15818 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15819 (m32c_valid_pointer_mode): Make static.
15820 (shift_gen_func_for): New.
15821 (m32c_prepare_shift): Use it. Split large const shifts into
15823 * config/m32c/predicates.md (shiftcount_operand): Allow more
15825 (longshiftcount_operand): New.
15826 * doc/md.texi (Machine Constraints): Document In6.
15828 2006-01-13 Ben Elliston <bje@au.ibm.com>
15830 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15831 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15834 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15836 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15837 to try to avoid clobbering pieces of structures when we know
15838 something about the whole structure.
15839 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15841 2006-01-13 Ben Elliston <bje@au.ibm.com>
15843 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15844 return in memory, as this is no limitation is no longer present.
15846 2006-01-12 DJ Delorie <dj@redhat.com>
15848 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15849 mova with fb, and for fb+0 -> An.
15851 * config/m32c/mov.md (peephole2): Fix enabling logic.
15853 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15854 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15855 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15856 FINI_ARRAY_SECTION_ASM_OP): Define.
15858 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15860 (m32c_legitimize_reload_address): New logic to reload FB to An.
15861 (m32c_output_reg_push): Add newline.
15862 (m32c_output_reg_pop): Likewise.
15864 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15866 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15868 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15870 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15872 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15874 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15877 2006-01-11 Ben Elliston <bje@au.ibm.com>
15879 * rtlanal.c (find_reg_note): Assert insn is not null.
15881 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15883 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15886 2006-01-11 Jeff Law <law@redhat.com>
15888 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15890 (mark_threaded_blocks, register_jump_thread): New functions.
15891 (thread_through_all_blocks): Remove unwanted argument. No
15892 longer rely on e->aux to communicate thread target info.
15893 Call mark_threaded_blocks. Release the threaded_blocks
15894 bitmap and threaded_edges vector when complete.
15895 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15896 (threaded_blocks): Remove.
15897 (tree_ssa_dominator_optimize): Remove initialization and
15898 finalization of threaded_blocks. Simplify call to
15899 thread_through_all_blocks.
15900 (thread_across_edge): Call register_jump_thread rather than
15901 storing thread information into e->aux.
15902 (free_all_edge_infos): Simplify now that e->aux is no longer
15903 used to communicate with thread_through_all_blocks.
15904 * tree-flow.h (thread_through_all_blocks): Update prototype.
15905 (register_jump_thread): Prototype.
15907 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15909 * df-core.c (df_compact_blocks, df_bb_replace): Use
15910 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15912 2006-01-11 Richard Guenther <rguenther@suse.de>
15914 PR tree-optimization/25734
15915 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15916 stop propagation after successful propagation to the LHS.
15918 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15920 * basic-block.h (control_flow_graph): Change the type of
15921 x_basic_block_info to VEC(basic_block,gc) *.
15922 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15924 (SET_BASIC_BLOCK): New.
15925 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15926 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15927 * cfgbuild.c (find_basic_blocks): Likewise.
15928 * cfglayout.c (fixup_reorder_chain): Likewise.
15929 * cfgrtl.c (create_basic_block_structure,
15930 rtl_create_basic_block): Likewise.
15931 * ifcvt.c (find_if_case_1): Likewise.
15932 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15935 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15937 * Makefile.in: Removed rotted odf.c entry.
15939 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15942 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15943 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15944 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15945 output pattern modifier, not %e.
15946 * config/cris/cris.c (cris_op_str): Update comment about pattern
15948 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15949 before falling through into...
15950 <case 'E'>: Redefined from old 'e' case.
15952 2006-01-11 Jan Hubicka <jh@suse.cz>
15955 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15957 2006-01-11 Jan Hubicka <jh@suse.cz>
15959 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15960 * i386.c (x86_decompose_lea): Kill.
15961 (ix86_rtx_costs): Kill.
15963 2006-01-11 Jan Hubicka <jh@suse.cz>
15965 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15966 * cgraph.h (cgraph_node): Add inline_decl.
15967 (cgraph_insert_node_to_hashtable): Declare.
15968 (save_inline_function_body): Declare.
15969 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15971 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15972 (cgraph_function_versioning): Update call of tree_function_versioning.
15973 (save_inline_function_body): New function.
15974 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15975 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15976 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15977 (cgraph_default_inline_p): Likewise.
15978 (cgraph_decide_inlining_incrementally): Likewise.
15979 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15980 (copy_bb): Kill saving; do updating of clones.
15981 (copy_cfg_body): Kill saving.
15982 (initialize_inlined-parameters): Likewise.
15983 (expand_call_inline): Likewise.
15985 (tree_function_versioning): New parameter "update_clones".
15986 (inlining_p): Kill saving.
15987 * tree-inline.h (tree_function_versioning): Update prototype.
15988 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15991 2006-01-11 Ian Lance Taylor <ian@airs.com>
15993 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15994 Allow undoing set of machine mode.
15995 (do_SUBST): Use enums instead of is_int.
15996 (do_SUBST_MODE): New function.
15997 (SUBST_MODE): New macro.
15998 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15999 reg and trying to replace reg_regno_rtx with a new register.
16000 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16001 (simplify_set): Use SUBST_MODE.
16002 (distribute_notes): Remove code that tried to update reg notes
16003 for regno_reg_rtx changes.
16005 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16007 PR tree-optimization/23109
16008 PR tree-optimization/23948
16009 PR tree-optimization/24123
16011 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16012 * tree-cfg.c (single_noncomplex_succ): New.
16013 * tree-flow.h (single_noncomplex_succ): Declare it.
16014 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16015 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16016 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16017 insert_bb, register_division_in, insert_reciprocals,
16018 replace_reciprocal, free_bb): New.
16019 (execute_cse_reciprocals_1): Rewritten.
16020 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16021 Do not commit any edge insertion. Always compute dominators and
16022 create the allocation pool.
16023 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16024 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16025 * targhooks.c (default_min_divistions_for_recip_mul): New.
16026 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16027 * passes.c (init_optimization_passes): Run recip after tree loop
16029 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16031 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16032 Kenneth Zadeck <zadeck@naturalbridge.com>
16034 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16035 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16036 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16037 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16038 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16039 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16040 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16041 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16042 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16043 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16044 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16045 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16046 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16047 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16048 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16049 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16050 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16051 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16052 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16053 DF_SCAN_POST_ALLOC): New macros.
16054 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16055 df_free_bb_function, df_local_compute_function, df_init_function,
16056 df_dataflow_function, df_confluence_function_0,
16057 df_confluence_function_n, df_transfer_function,
16058 df_finalizer_function, df_free_function, df_dump_problem_function,
16059 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16060 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16061 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16062 df_urec_bb_info, ) New types.
16063 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16065 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16066 df_analyze_simple_change_some_blocks,
16067 df_analyze_simple_change_one_block, df_compact_blocks,
16068 df_bb_replace, df_bb_regno_last_use_find,
16069 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16070 df_insn_regno_def_p, df_find_def, df_find_use,
16071 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16072 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16073 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16074 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16075 debug_df_chain, df_get_dependent_problem, df_chain_create,
16076 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16077 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16078 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16079 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16080 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16081 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16082 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16083 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16084 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16085 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16086 df_reorganize_refs, df_set_state, df_hard_reg_init,
16087 df_read_modify_subreg_p) New public functions.
16088 * df-core.c: The core dataflow solver and glue routines for rtl
16090 (df_init, df_add_problem, df_set_blocks, df_finish,
16091 df_hybrid_search_forward, df_hybrid_search_backward,
16092 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16093 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16094 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16095 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16096 df_reg_defined, df_find_use, df_reg_used, df_dump,
16097 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16098 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16099 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16100 debug_df_useno, reset_df_after_reload): New functions.
16101 * df-scan.c: The scanning fuctions, once in df.c, completely
16102 rewritten so that they now fully model the functionality of
16103 register usage at the backend.
16104 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16105 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16106 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16107 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16108 df_get_artificial_defs, df_get_artificial_uses,
16109 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16110 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16111 df_refs_delete, df_reorganize_refs, df_set_state,
16112 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16113 df_def_record_1, df_defs_record, df_uses_record,
16114 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16115 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16116 df_record_exit_block_uses, df_hard_reg_init): New functions.
16118 * df-problems.c: Seven concrete dataflow problems that use the
16119 scanning in df-scan.c and are solved by the engine in df-core.c.
16120 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16121 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16122 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16123 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16124 df_ru_free_bb_info, df_ru_alloc,
16125 df_ru_bb_local_compute_process_def,
16126 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16127 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16128 df_ru_transfer_function, df_ru_free, df_ru_dump,
16129 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16130 df_rd_free_bb_info, df_rd_alloc,
16131 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16132 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16133 df_rd_transfer_function, df_rd_free, df_rd_dump,
16134 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16135 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16136 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16137 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16138 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16139 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16140 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16141 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16142 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16143 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16144 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16145 df_urec_mark_reg_use_for_earlyclobber,
16146 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16147 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16148 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16149 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16150 df_chain_create_bb_process_use, df_chain_create_bb,
16151 df_chain_finalize, df_chain_free, df_chains_dump,
16152 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16153 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16154 df_reg_lifetime): New functions.
16155 * df.c: Deleted file.
16156 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16157 consistent with new df api.
16158 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16159 rest_of_handle_sms): Ditto.
16160 * web.c (unionfind_union, union_defs, entry_register, web_main):
16162 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16163 invariant_expr_equal_p, find_defs, check_dependencies,
16164 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16165 free_inv_motion_data, move_loop_invariants): Ditto.
16166 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16167 Update dependencies.
16168 (odf.c): Added defective entry that was deleted later in day.
16169 * sched-deps.c (sched_analyze_1): Ditto.
16171 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16173 * tree-ssa-operands.c (get_expr_operands): Record addressable
16174 variables directly. Do not call add_stmt_operands for CONST_DECLs
16176 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16177 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16179 2006-01-11 Ben Elliston <bje@au.ibm.com>
16181 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16182 function returns true in the positive case.
16184 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16187 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16188 for SI, DI, SF and DF modes. Add alternatives to copy between
16189 general and floating point registers to the 32-bit patterns.
16190 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16191 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16192 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16193 generating 64-bit code.
16194 * config/pa/pa.c (output_move_double): Handle copies between general
16195 and floating registers.
16197 2006-01-10 Stuart Hastings <stuart@apple.com>
16199 * config/i386/i386.md (set_got): Update.
16200 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16201 (builtin_setjmp_receiver): Mach-O support.
16202 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16203 (GOT_SYMBOL_NAME): Define.
16204 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16205 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16206 * config/i386/i386.c (override_options): Revise for Darwin.
16207 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16208 support. (darwin_x86_file_end): New. (output_set_got): Add label
16209 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16210 * config/i386/i386-protos.h (output_set_got): Likewise.
16211 * config/darwin.c (machopic_legitimize_pic_address): Update
16214 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16216 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16217 when MODE isn't BLKmode.
16219 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16221 PR rtl-optimization/25367
16222 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16224 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16227 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16228 for a negative bound.
16230 2006-01-10 Richard Guenther <rguenther@suse.de>
16232 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16233 Never override with anything constraint.
16235 2006-01-10 Jan Beulich <jbeulich@novell.com>
16237 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16238 256 bits when optimize_size.
16240 2006-01-10 Jan Beulich <jbeulich@novell.com>
16242 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16244 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16245 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16248 2006-01-10 Ben Elliston <bje@au.ibm.com>
16250 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16252 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16253 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16254 (USE_FP_FOR_ARG): Reject decimal float modes.
16255 (function_arg_advance): Likewise.
16256 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16257 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16258 point types in AltiVec vectors.
16259 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16260 (rs6000_libcall_value): Likewise.
16262 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16264 * config/xtensa/ieee754-df.S: New file.
16265 * config/xtensa/ieee754-sf.S: New file.
16266 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16267 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16268 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16270 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16272 * config/sh/predicates.md (binary_float_operator,
16273 binary_logical_operator, commutative_float_operator,
16274 equality_comparison_operator, greater_comparison_operator,
16275 less_comparison_operator, logical_operator,
16276 noncommutative_float_operator, shift_operator,
16277 symbol_ref_operand, unary_float_operator): Remove redundant
16280 2006-01-09 Jeff Law <law@redhat.com>
16282 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16283 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16284 now unused arguments. Callers updated.
16285 (eliminate_redundant_computations): Remove now unused arguments,
16287 (local_fold): Remove, no longer used.
16288 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16290 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16291 (simplify_cond): New function.
16292 (forward_propagate_into_cond): Call simplify_cond.
16294 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16296 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16297 (*vec_extractv2di_1_sse): New.
16299 2006-01-09 Ben Elliston <bje@au.ibm.com>
16301 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16303 2006-01-08 Richard Guenther <rguenther@suse.de>
16305 * tree-ssa-structalias.c (get_constraint_for): Remove
16306 anyoffset argument.
16307 (get_constraint_for_component_ref): Likewise.
16308 (do_deref): Likewise.
16309 (get_constraint_for): Likewise.
16310 (do_structure_copy): Likewise.
16311 (handle_ptr_arith): Likewise.
16312 (find_func_aliases): Likewise. Remove unused need_anyoffset
16315 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16316 Kaz Kojima <kkojima@gcc.gnu.org>
16318 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16319 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16320 (EXTRA_CONSTRAINT_C16): Remove.
16321 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16322 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16323 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16324 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16325 constants of SHmedia. Handle nested constant expressions of
16327 (andcosts): Fix the costs for SHmedia constants.
16328 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16329 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16330 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16331 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16332 (movv4hi_i, movv2si_i): Likewise.
16333 (movsi_const): Adjust the second operand of ior so to match with
16334 the Csu constraint.
16335 (movdi_const, movdi_const_32bit): Likewise.
16336 (movdi_const_16bit+1): Don't sign-extend LOW.
16337 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16339 (*double_shori): Fix the split condition. Use GEN_INT instead
16340 of get_int_mode calls. Mask lower 16-bit of the argument of
16342 (sym2GOTPLT): Remove.
16343 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16345 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16346 instead of EXTRA_CONSTRAINT_C16.
16348 2006-01-07 Ian Lance Taylor <ian@airs.com>
16349 David Edelsohn <edelsohn@gnu.org>
16351 PR rtl-optimization/25662
16352 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16353 for constant operands instead of simplify_gen_binary.
16354 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16355 after trying simplify_binary_operation
16357 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16359 * tree.c (iterative_hash_expr): Hash decls based on UID.
16361 2006-01-06 Eric Christopher <echristo@apple.com>
16363 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16364 (TARGET_UNWIND_EMIT): Fix spelling.
16365 * target.h (gcc_target): Add except_table_label.
16366 * except.c (output_function_exception_table): Use.
16367 * varasm.c (default_emit_except_table_label): New.
16368 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16370 (asm_out): Add here.
16371 * output.h (default_emit_except_table_label): Prototype.
16372 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16373 * config/darwin.c (darwin_emit_except_table_label): Define.
16374 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16376 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16378 PR tree-optimization/18527
16379 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16380 number_of_iterations_special, number_of_iterations_exit):
16381 Move base and step of an iv to a single structure. Add
16382 no_overflow flag, and use it in # of iterations analysis.
16383 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16384 folded_casts argument.
16385 (simple_iv): Pass base and step in a structure. Set no_overflow
16387 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16388 Evaluate expensiveness of computing # of iterations instead of
16389 the final expression.
16390 * tree-scalar-evolution.h (affine_iv): New structure.
16391 (simple_iv): Declaration changed.
16392 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16393 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16394 find_givs_in_stmt): Changed due to simple_iv change.
16396 2006-01-06 Jeff Law <law@redhat.com>
16399 * tree-cfg.c (bsi_replace): Rename final argument from
16400 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16401 change (stmt -> orig_stmt).
16402 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16403 (bsi_remove): Add new argument. Remove EH information
16405 (verify_eh_throw_table_statements): New function.
16406 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16408 * tree-optimize.c (execute_free_cfg_annotations): Verify
16409 the EH throw statement table after removing annotations.
16410 * except.h (verify_eh_throw_table_statements): Prototype.
16411 * tree-flow.h (bsi_remove): Update prototype.
16412 * tree-vrp.c (remove_range_assertions): Add new argument to
16414 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16415 * tree-complex.c (expand_complex_div_wide): Likewise.
16416 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16417 * tree-tailcall.c (eliminate_tailcall): Likewise.
16418 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16419 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16420 * tree-nrv.c (tree_nrv): Likewise.
16421 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16422 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16423 (combine_blocks): Likewise.
16424 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16425 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16426 (cleanup_control_flow): Likewise.
16427 (remove_forwarder_block): Likewise.
16428 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16429 * tree-sra.c (sra_replace): Likewise.
16430 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16431 (forward_propagate_single_use_vars): Likewise.
16432 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16433 * tree-inline.c (expand_call_inline): Likewise.
16434 * tree-vect-transform.c (vect_transform_loop): Likewise.
16435 * tree-outof-ssa.c (rewrite_trees): Likewise.
16436 * tree-cfg.c (make_goto_expr_edges): Likewise.
16437 (cleanup_dead_labels): Likewise.
16438 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16439 (bsi_move_before, bsi_move_after): Likewise.
16440 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16441 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16443 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16446 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16448 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16449 on non gimple variables. Also add checks at the top for decls and
16451 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16453 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16454 and IMAGPART_EXPR for creating MUST_DEFs.
16455 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16456 and NAME_MEMORY_TAG separately from the DECLs.
16458 2006-01-06 Richard Guenther <rguenther@suse.de>
16460 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16461 annotation, if necessary.
16462 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16463 redundant calls to update_stmt.
16464 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16467 2006-01-05 Richard Henderson <rth@redhat.com>
16469 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16471 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16473 * c-typeck.c: Update copyright date.
16475 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16477 * c-typeck.c (build_c_cast): Always warn when casting
16478 from a pointer to an integer of different size, even if
16479 the node was constant.
16481 2006-01-05 Richard Guenther <rguenther@suse.de>
16483 PR tree-optimization/22555
16484 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16485 if one structure field is an array.
16486 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16487 operands even if we found a subvar, but ignore VOPs in this
16489 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16491 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16493 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16495 PR middle-end/24998
16496 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16498 2006-01-05 Richard Guenther <rguenther@suse.de>
16499 Diego Novillo <dnovillo@redhat.com>
16501 * tree-pass.h (TODO_remove_unused_locals): Define.
16502 * gimple-low.c (expand_var_p, remove_useless_vars,
16503 pass_remove_useless_vars): Remove. Update all users.
16504 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16505 (remove_unused_locals): New function.
16506 * tree-flow.h (remove_unused_locals): Declare.
16507 * passes.c (execute_todo): Call remove_unused_locals if
16508 TODO_remove_unused_locals is set.
16509 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16510 * tree-ssa-dce.c (pass_dce): Likewise.
16511 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16513 2006-01-05 Richard Guenther <rguenther@suse.de>
16515 * tree-flow.h (struct fieldoff): Decompose field to
16516 type, size and decl.
16517 * tree-ssa-alias.c (create_sft): Take type as parameter.
16518 (create_overlap_variables_for): Store type, size and decl
16519 in the fieldoff structure.
16520 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16521 of struct fieldoff.
16522 (push_fields_onto_fieldstack): Likewise.
16523 (create_variable_info_for): Likewise. Use offset for the
16524 SFT name if the decl is not available.
16526 2006-01-04 Paul Brook <paul@codesourcery.com>
16528 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16530 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16532 * lambda-code.c (can_put_in_inner_loop): Relax
16534 (can_put_after_inner_loop): New function.
16535 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16536 (perfect_nestify): Change to make copies and modify uses.
16538 2006-01-04 Richard Henderson <rth@redhat.com>
16540 Merge from gomp branch:
16541 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16542 via integer constant.
16543 (pragma_lex): Remove.
16544 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16545 rather than parsing it.
16546 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16547 handle_pragma_extern_prefix): Add %< %> quotes.
16548 (registered_pragmas): New.
16549 (c_register_pragma_1): New.
16550 (c_register_pragma): Use it.
16551 (c_register_pragma_with_expansion): Likewise.
16552 (c_invoke_pragma_handler): New.
16553 (init_pragma): Use cpp_register_deferred_pragma directly for
16555 * c-pragma.h (enum pragma_kind): New.
16556 (pragma_handler): New.
16557 (c_invoke_pragma_handler): Declare.
16558 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16560 * c-common.h (c_common_pch_pragma): Update decl.
16561 * Makefile.in (c-parser.o): Update dependencies.
16562 (GTFILES): Add c-pragma.h.
16563 * c-parser.c (struct c_token): Add pragma_kind.
16564 (struct c_parser): Add in_pragma.
16565 (c_lex_one_token): Always initialize keyword and pragma_kind.
16566 Extract data for CPP_PRAGMA.
16567 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16568 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16569 Don't allow CPP_PRAGMA_EOL if in_pragma.
16570 (c_parser_consume_pragma): New.
16571 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16572 (c_parser_skip_to_end_of_parameter): Likewise.
16573 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16574 (c_parser_skip_to_pragma_eol): New.
16575 (c_parser_external_declaration): Handle CPP_PRAGMA.
16576 (c_parser_compound_statement_nostart): Likewise.
16577 (c_parser_statement_after_labels): Likewise.
16578 (c_parser_pragma): New.
16579 (pragma_lex): Likewise.
16580 (c_parser_pragma_pch_preprocess): New.
16581 (c_parser_new): Merge into ...
16582 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16584 2006-01-04 Jeff Law <law@redhat.com>
16587 * tree-cfg.c (bsi_replace): Remove the original statement
16588 from the EH throw statement table.
16590 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16592 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16593 make the prototype extern "C" and add throw ().
16596 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16597 and pos non-negative and pos + len <= 32.
16598 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16599 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16600 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16603 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16604 as well as sizes not multiple of component size.
16607 * function.c (instantiate_expr): New function.
16608 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16609 walk its DECL_VALUE_EXPR with instantiate_expr.
16611 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16612 DW_OP_deref{,_size} if address isn't going to be added.
16614 2006-01-04 Ben Elliston <bje@au.ibm.com>
16616 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16617 * config/fp-bit.c: Likewise.
16619 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16621 * dominance.c: Add comment about why we use DFS numbering
16624 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16625 Richard Henderson <rth@redhat.com>
16627 Merge from gomp-branch:
16628 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16629 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16631 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16633 PR rtl-optimization/25578
16634 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16635 pass a parameter to simplify_shift_const if changing ASHIFTRT
16638 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16640 * builtins.c (get_builtin_sync_mem): New function.
16641 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16642 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16643 Call get_builtin_sync_mem to generate mem rtx.
16645 2006-01-03 Richard Guenther <rguenther@suse.de>
16648 * stmt.c (add_case_node): Make sure to clear overflow flags
16651 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16653 Merge from gomp-branch.
16654 * config/sparc/sync.md: New file.
16655 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16656 UNSPECV_LDSTUB): New constants.
16657 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16658 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16659 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16662 2006-01-03 Roger Sayle <roger@eyesopen.com>
16664 * combine.c (reg_subword_p): New predicate to test whether the
16665 destination of a set refers to a subword/piece of a register.
16666 (try_combine): Generalize the code to merge the setting of a
16667 pseudo to a constant followed by a set of a subword of that
16668 register to a constant.
16670 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16672 * basic-block.h (control_flow_graph): Change the type of
16673 x_label_to_block_map to VEC(basic_block,gc) *.
16674 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16675 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16677 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16678 VEC(basic_block,heap) *.
16679 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16680 ssa_prop_fini): Adjust the uses of cfg_blocks.
16682 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16684 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16686 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16687 hashing trees instead of a pointer hash.
16688 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16689 compare for MEM_EXPR.
16691 PR rtl-optimization/25130
16692 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16693 when comparing MEMs for GCSE
16695 2006-01-03 Ben Elliston <bje@au.ibm.com>
16697 * targhooks.h (default_decimal_float_supported_p): Declare.
16698 * targhooks.c (default_decimal_float_supported_p): Define.
16699 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16700 `default_decimal_float_supported_p'.
16701 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16703 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16705 * combine.c (apply_distributive_law <SUBREG>): Check
16706 TRULY_NOOP_TRUNCATION.
16708 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16710 * dwarf2out.c (have_switched_text_section): Delete.
16711 (have_multiple_function_sections): New.
16712 (have_location_lists): Make 'bool'.
16713 (add_AT_loc_list): Use 'true' not '1'.
16714 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16715 (output_loc_list): Use have_multiple_function_sections.
16716 (output_ranges): Likewise.
16717 (dwarf2out_begin_function): Set have_multiple_function_sections if
16719 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16720 Check function_section rather than DECL_SECTION_NAME.
16721 (dwarf2out_finish): Use have_multiple_function_sections.
16722 Don't clear have_location_lists.
16724 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16725 Jan Hubicka <jh@suse.cz>
16727 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16728 case of conditional jump jumping to the next instruction.
16729 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16730 cases of conditional jump jumping to the next instruction.
16732 2006-01-02 Jan Hubicka <jh@suse.cz>
16734 * i386.c (*_cost): Add COSTS_N_INSNS.
16735 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16737 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16740 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16742 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16744 * config/arm/arm.c (all_fpus): Fix comment typo.
16745 * config/darwin.c: Likewise.
16746 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16747 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16748 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16750 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16752 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16753 (rs6000_split_compare_and_swapqhi): New.
16754 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16755 (sync_compare_and_swapqhi_internal): New.
16756 * config/rs6000/rs6000-protos.h: Declare.