1 2006-10-28 Richard Guenther <rguenther@suse.de>
4 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6 (expand_builtin): Adjust likewise.
7 * genopinit.c (optabs[]): Add lround optab.
8 * optabs.c (init_optabs): Initialize lround_optab.
9 * optabs.h (enum convert_optab_index): Add COI_lround.
10 (lround_optab): Define.
11 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
12 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
14 (ix86_expand_lround): New function.
15 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
17 * doc/md.texi (lroundMN2): Document.
19 2006-10-28 Uros Bizjak <uros@kss-loka.si>
22 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
23 argument to HOST_WIDE_INT. Update function prototype.
24 (round_frame_size): Change return type to HOST_WIDE_INT. Change
25 "size" argument to HOST_WIDE_INT. Update function prototype.
27 2006-10-28 Uros Bizjak <uros@kss-loka.si>
29 * config/i386/i386.c (output_387_ffreep): Create output from a
30 template string for !HAVE_AS_IX86_FFREEP.
32 2006-10-27 Eric Christopher <echristo@apple.com>
34 * config/darwin.c: Fix formatting and grammar.
36 2006-10-27 Jan Hubicka <jh@suse.cz>
38 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
39 to be thrown away soon when IGNORE is set.
40 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
41 indicating when return value shall not be computed.
42 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
44 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
46 * config/i386/i386.h (TARGET_GEODE):
47 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
48 (TARGET_CPU_DEFAULT_geode): New macro.
49 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
50 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
51 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
52 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
53 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
55 (TARGET_CPU_DEFAULT_NAMES): Add geode.
56 (processor_type): Add PROCESSOR_GEODE.
58 * config/i386/i386.md: Include geode.md.
61 * config/i386/i386.c (geode_cost): New initialized global
63 (m_GEODE, m_K6_GEODE): New macros.
64 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
65 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
66 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
67 x86_schedule): Use m_K6_GEODE instead of m_K6.
68 (x86_movx, x86_cmove): Set up m_GEODE.
69 (x86_integer_DFmode_moves): Clear m_GEODE.
70 (processor_target_table): Add entry for geode.
71 (processor_alias_table): Ditto.
73 * config/i386/geode.md: New file.
75 * doc/invoke.texi: Add entry about geode processor.
77 2006-10-27 Mike Stump <mrs@apple.com>
79 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
80 __DYNAMIC__ from here back to ...
81 * config/darwin.h (CPP_SPEC): ... here.
83 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
84 Nathan Sidwell <nathan@codesourcery.com>
86 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
87 when choosing the minimum heapsize.
89 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
91 * gcc/unwind-dw2.h: Move cfa-related variables into
92 struct frame_state_reg_info to ensure that the CFA is properly
93 handled when executing DW_CFA_{remember,restore}_state.
94 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
95 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
96 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
97 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
98 gcc/config/rs6000/linux-unwind.h,
99 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
100 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
101 Modify to use new cfa_* fields.
103 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
105 * config/s390/s390.c (s390_init_frame_layout): Check positive
108 2006-10-26 Ben Elliston <bje@au.ibm.com>
110 * gimplify.c (get_name): Remove extraneous break.
111 (gimplify_omp_for): Initialise ret with GS_OK.
113 2006-10-25 Steve Ellcey <sje@cup.hp.com>
115 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
116 Add unix98.o to link line.
118 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
121 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
122 Calculate compile-time constants using MPFR.
123 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
124 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
126 2006-10-25 Bob Wilson <bob.wilson@acm.org>
128 * config/xtensa/lib2funcs.S: Use C-style comments.
130 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
132 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
133 (file_table_relative_p): Likewise.
134 (dwarf2out_finish): Likewise.
135 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
137 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
139 * tree-ssa-structalias.c (intra_create_variable_infos):
140 Don't recreate nonlocal_all if it already exists.
142 2006-10-25 Richard Guenther <rguenther@suse.de>
145 * optabs.h (enum optab_index): Remove OTI_lrint.
146 (enum convert_optab_index): Add COI_lrint.
147 (lrint_optab): Adjust.
148 (expand_sfix_optab): Declare.
149 * optabs.c (expand_sfix_optab): New function.
150 (init_optabs): Init lrint_optab as conversion optab.
151 * genopinit.c (lrint_optab): Change to a conversion optab.
152 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
153 expansion via conversion optab.
154 * config/i386/i386.md (*fistdi2_1): Remove
155 flag_unsafe_math_optimizations guard.
156 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
157 fist<mode>2_with_temp): Likewise.
158 (lrint<mode>2): Split into...
159 (lrintxf<mode>2): ... x87 part
160 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
161 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
162 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
163 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
164 * doc/md.texi (lrintMN2): Document.
166 2006-10-25 Uros Bizjak <uros@kss-loka.si>
169 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
170 Use inc and dec instructions for TARGET_USE_INCDEC.
171 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
172 ("sync_double_compare_and_swap<mode>"): Likewise.
173 ("*sync_double_compare_and_swapdi_pic"): Likewise.
174 ("*sync_compare_and_swap_cc<mode>"): Likewise.
175 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
176 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
177 ("sync_old_add<mode>"): Likewise.
178 ("sync_lock_test_and_set<mode>"): Likewise.
179 ("sync_lock_test_and_set<mode>"): Likewise.
180 ("sync_add<mode>"): Likewise.
181 ("sync_sub<mode>"): Likewise.
182 ("sync_ior<mode>"): Likewise.
183 ("sync_and<mode>"): Likewise.
184 ("sync_xor<mode>"): Likewise.
186 2006-10-25 Uros Bizjak <uros@kss-loka.si>
188 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
189 (remainder_optab): Define corresponding macro.
190 (drem_optab): Remove.
191 * optabs.c (init_optabs): Initialize remainder_optab. Remove
192 drem_optab initialization.
193 * genopinit.c (optabs): Implement remainder_optab using
194 remainder?f3 patterns. Remove drem_optab.
195 * builtins.c (expand_builtin_mathfn_2): Handle
196 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
197 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
198 expand_builtin_mathfn_2.
200 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
201 depend on flag_unsafe_math_optimizations.
203 * config/i386/i386.md ("remaindersf3", "remainderdf3")
204 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
205 Do not depend on flag_unsafe_math_optimizations. Use
206 truncxf?f expander instead of truncxf?f_i387_noop.
208 ("fpremxf4", "fprem1xf4"): Do not depend on
209 flag_unsafe_math_optimizations.
210 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
211 flag_unsafe_math_optimizations. Use truncxf?f expander
212 instead of truncxf?f_i387_noop.
214 * doc/md.texi (fmod, remainder): Document standard named pattern.
216 2006-10-24 Richard Sandiford <richard@codesourcery.com>
217 David Daney <ddaney@avtrex.com>
220 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
222 2006-10-25 Ben Elliston <bje@au.ibm.com>
224 * doc/extend.texi (Variable Attributes): Typo fix.
226 2006-10-24 Uros Bizjak <uros@kss-loka.si>
228 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
229 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
230 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
231 (FRAME_POINTER_REGNUM): Update register number to 21.
232 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
233 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
235 * config/i386/i386.c (regclass_map): Add fpcr entry.
236 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
238 (print_reg): Assert REGNO (x) != FPCR_REG.
240 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
241 (DIRFLAG_REG): Renumber.
242 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
243 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
244 (sse_prologue_save, *sse_prologue_save_insn): Renumber
245 hardcoded SSE register numbers.
247 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
248 hardcoded MMX register numbers.
250 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
253 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
254 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
256 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
257 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
258 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
259 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
261 2006-10-24 Richard Guenther <rguenther@suse.de>
264 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
265 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
266 for deciding optimizations in consistency with fold-const.c
267 (fold_builtin_unordered_cmp): Likewise.
269 2006-10-24 Richard Guenther <rguenther@suse.de>
271 * builtins.c (fold_builtin_floor): Fold floor (x) where
272 x is nonnegative to trunc (x).
273 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
274 nonnegative to FIX_TRUNC_EXPR.
276 2006-10-24 Richard Guenther <rguenther@suse.de>
278 PR tree-optimization/29567
279 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
280 for TRUTH_NOT_EXPR. Clarify comments.
282 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
285 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
286 at compile-time using MPFR. Change parameter VALUE to FUNC,
288 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
289 for overflow and underflow at all times and avoid folding in
292 2006-10-24 Ben Elliston <bje@au.ibm.com>
294 * reload1.c: Formatting fixes.
296 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
298 PR tree-optimization/14784
299 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
300 * tree-ssa-structalias.c (get_constraint_for,
301 intra_create_variable_infos): Set is_heapvar.
302 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
303 non-heapvar pointer variables specially.
305 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
308 * builtins.c (fold_builtin_sin, fold_builtin_cos,
309 fold_builtin_tan): Fold all constant arguments. Take a "type"
310 argument as necessary.
312 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
314 2006-10-23 Bob Wilson <bob.wilson@acm.org>
316 * config/xtensa/lib1funcs.asm: Use C-style comments.
318 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
320 * tree.c (local_define_builtin): Replace calls to
321 lang_hooks.builtin_function with add_builtin_function.
322 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
324 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
326 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
327 common code to add_builtin_function.
328 * langhooks.c (add_builtin_function): New function.
329 (lhd_builtin_function): New function.
330 * langhooks.h (struct lang_hooks): Change the signature of
332 (add_builtin_function): New function.
333 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
334 calls to lang_hooks.builtin_function with add_builtin_function.
335 * c-common.c (decl_builtin_1): Replace calls to
336 lang_hooks.builtin_function with add_builtin_function.
337 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
338 lang_hooks.builtin_function with add_builtin_function.
339 * config/frv/frv.c (def_builtin): Replace calls to
340 lang_hooks.builtin_function with add_builtin_function.
341 * config/s390/s390.c (s390_init_builtins): Replace calls to
342 lang_hooks.builtin_function with add_builtin_function.
343 * config/sparc/sparc.c (def_builtin): Replace calls to
344 lang_hooks.builtin_function with add_builtin_function.
345 * config/i386/i386.c (def_builtin): Replace calls to
346 lang_hooks.builtin_function with add_builtin_function.
347 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
348 lang_hooks.builtin_function with add_builtin_function.
349 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
350 lang_hooks.builtin_function with add_builtin_function.
351 * config/stormy16/stormy16.c (xstormy16_init_builtins):
352 Replace calls to lang_hooks.builtin_function with
353 add_builtin_function.
354 * config/iq2000/iq2000.c (def_builtin):
355 Replace calls to lang_hooks.builtin_function with
356 add_builtin_function.
357 * config/ia64/ia64.c (def_builtin): Replace calls to
358 lang_hooks.builtin_function with add_builtin_function.
359 * config/rs6000/rs6000.c (def_builtin): Replace calls to
360 lang_hooks.builtin_function with add_builtin_function.
361 (altivec_init_builtins): Replace calls to
362 lang_hooks.builtin_function with add_builtin_function.
363 * config/arm/arm.c (def_mbuiltin): Replace calls to
364 lang_hooks.builtin_function with add_builtin_function.
365 (arm_init_tls_builtins): Replace calls to
366 lang_hooks.builtin_function with add_builtin_function.
367 * config/mips/mips.c (mips_init_builtins): Replace calls to
368 lang_hooks.builtin_function with add_builtin_function.
369 * config/bfin/bfin.c (def_builtin): Replace calls to
370 lang_hooks.builtin_function with add_builtin_function.
371 * langhooks-def.h (lhd_builtin_function): New function.
372 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
374 2006-10-23 Jakub Jelinek <jakub@redhat.com>
376 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
377 BUILT_IN_STRNCAT_CHK.
379 2006-10-23 Jan Hubicka <jh@suse.cz>
381 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
382 don't do conversion from memmove to memcpy here.
383 (expand_builtin_bcopy, expand_builtin): Update call of
384 expand_builtin_memmove.
385 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
387 2006-10-23 Paul Brook <paul@codesourcery.com>
389 * stor-layout.c (start_record_layout): maximum_field_alignment
390 overrides STRUCTURE_SIZE_BOUNDARY.
392 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
394 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
395 nonlocal function symbols if flag_pic.
397 2006-10-23 Richard Guenther <rguenther@suse.de>
401 * builtins.c (fold_binary): Remove checks for flag_wrapv
402 and flag_trapv where negate_expr_p covers these cases.
404 2006-10-23 Richard Guenther <rguenther@suse.de>
407 * fold-const.c (fold_plusminus_mult_expr): Check exact power
408 of two on the absolute value.
409 (fold_binary): Fold x * -C to -x * C if x is easily negatable
410 and negating -C does not overflow.
412 2006-10-23 Richard Guenther <rguenther@suse.de>
415 * convert.c (convert_to_real): Fold (float)-x to -(float)x
416 only if not flag_rounding_math.
418 2006-10-22 Richard Sandiford <richard@codesourcery.com>
419 Kaz Kojima <kkojima@gcc.gnu.org>
422 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
423 SImode memory reference for the source of a movua.
424 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
425 (movua): Use an unspec instead of sign_extract. Expect the source
426 to have mode BLKmode.
427 (extv, insv): Use a BLKmode rather than SImode memory reference
428 for the source of a movua.
430 2006-10-22 Jeff Law <law@redhat.com>
431 Richard Guenther <rguenther@suse.de>
433 PR tree-optimization/15911
434 * tree-vrp.c (extract_code_and_val_from_cond): New function.
435 (register_edge_assert_for_1): Likewise.
436 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
437 (find_conditional_asserts): Adjust for new function signature.
438 (find_assert_locations): Likewise.
440 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
442 * config/i386/tmmintrin.h: Remove the duplicated content.
444 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
446 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
447 (x86_64-*-*): Likewise.
449 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
450 (override_options): Check SSSE3.
451 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
452 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
453 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
454 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
455 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
456 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
457 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
458 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
459 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
460 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
461 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
462 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
463 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
464 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
465 IX86_BUILTIN_PABSD128.
466 (bdesc_2arg): Add SSSE3.
467 (bdesc_1arg): Likewise.
468 (ix86_init_mmx_sse_builtins): Support SSSE3.
469 (ix86_expand_builtin): Likewise.
470 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
472 * config/i386/i386.md (UNSPEC_PSHUFB): New.
473 (UNSPEC_PSIGN): Likewise.
474 (UNSPEC_PALIGNR): Likewise.
475 Include mmx.md before sse.md.
477 * config/i386/i386.opt: Add -mssse3.
479 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
480 (ssse3_phaddwv4hi3): Likewise.
481 (ssse3_phadddv4si3): Likewise.
482 (ssse3_phadddv2si3): Likewise.
483 (ssse3_phaddswv8hi3): Likewise.
484 (ssse3_phaddswv4hi3): Likewise.
485 (ssse3_phsubwv8hi3): Likewise.
486 (ssse3_phsubwv4hi3): Likewise.
487 (ssse3_phsubdv4si3): Likewise.
488 (ssse3_phsubdv2si3): Likewise.
489 (ssse3_phsubswv8hi3): Likewise.
490 (ssse3_phsubswv4hi3): Likewise.
491 (ssse3_pmaddubswv8hi3): Likewise.
492 (ssse3_pmaddubswv4hi3): Likewise.
493 (ssse3_pmulhrswv8hi3): Likewise.
494 (ssse3_pmulhrswv4hi3): Likewise.
495 (ssse3_pshufbv16qi3): Likewise.
496 (ssse3_pshufbv8qi3): Likewise.
497 (ssse3_psign<mode>3): Likewise.
498 (ssse3_psign<mode>3): Likewise.
499 (ssse3_palignrti): Likewise.
500 (ssse3_palignrdi): Likewise.
501 (abs<mode>2): Likewise.
502 (abs<mode>2): Likewise.
504 * config/i386/tmmintrin.h: New file.
506 * doc/extend.texi: Document SSSE3 built-in functions.
508 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
510 2006-10-22 Ira Rosen <irar@il.ibm.com>
512 * tree-vect-transform.c (vectorizable_load): Use the type of the
513 return value of the mask_for_load builtin to create realign_load
516 2006-10-22 Richard Sandiford <richard@codesourcery.com>
518 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
521 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
523 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
524 (UNSPEC_LDDQU): This.
525 * config/i386/sse.md (sse3_lddqu): Updated.
527 2006-10-21 Richard Guenther <rguenther@suse.de>
529 * builtins.c (expand_builtin_int_roundingfn_2): New function.
530 (expand_builtin): Use it to expand lrint instead of
531 expand_builtin_mathfn.
533 2006-10-21 Uros Bizjak <uros@kss-loka.si>
536 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
537 flag_unsafe_math_optimizations is set.
539 2006-10-21 Uros Bizjak <uros@kss-loka.si>
542 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
543 patterns to use memory input operand in x87->mem->XMM
544 reload sequences. Skip transformation for TARGET_K8.
546 2006-10-21 Uros Bizjak <uros@kss-loka.si>
548 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
549 force operand1 to register if both operands are memory operands.
550 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
551 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
552 if both operands are memory operands.
553 (truncdfsf2): Do not force operand1 to register if both operands
556 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
558 * Makefile.in (LIBS): Add $(GMPLIBS).
559 * doc/install.texi: Update GMP and MPFR requirements.
560 * doc/sourcebuild.texi (need_gmp): Delete.
562 2006-10-21 Richard Guenther <rguenther@suse.de>
564 PR tree-optimization/3511
565 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
566 got new invariant arguments during PHI translation.
568 2006-10-21 Richard Guenther <rguenther@suse.de>
571 * fold-const.c (fold_comparison): Fold signed comparisons
572 of the form X +- C1 CMP Y +- C2.
574 2006-10-21 Richard Guenther <rguenther@suse.de>
577 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
578 if flag_unsafe_math_optimizations is specified. We have
579 flag_finite_math_only for that.
580 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
581 or flag_unsafe_math_optimizations.
583 2006-10-21 Richard Guenther <rguenther@suse.de>
585 * builtins.c (fold_builtin_classify): Fix typo.
587 2006-10-21 Richard Guenther <rguenther@suse.de>
590 * simplify-rtx.c (simplify_const_relational_operation):
591 Do not constant-fold ORDERED and UNORDERED for
592 flag_unsafe_math_optimizations but only we do not need to
593 honor NaNs for the given mode.
595 2006-10-21 Richard Guenther <rguenther@suse.de>
598 * config/i386/i386.c (classify_argument): Remove redundant
599 walking of the BINFOs.
600 (contains_128bit_aligned_vector_p): Likewise.
602 2006-10-20 Mark Mitchell <mark@codesourcery.com>
604 * BASE-VER: Set to 4.3.0.
606 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
608 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
609 (tree_decl_with_vis): Remove artificial_pta_var flag.
610 * tree-flow.h (referenced_var_check_and_insert): Expose.
611 (nonlocal_all): New prototype.
612 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
613 (nonlocal_all): Make global.
614 (nonlocal_lookup): Remove.
615 (nonlocal_insert): Ditto.
616 (create_nonlocal_var): Do not call nonlocal_insert.
617 (get_nonlocal_id_for_type): Remove.
618 (find_global_initializers): Mark new vars we find for renaming.
619 (intra_create_variable_infos): Only create one nonlocal.
620 (expand_nonlocal_solutions): Remove.
621 (compute_points_to_sets): Don't call it.
622 (ipa_pta_execute): Ditto.
623 (init_alias_heapvars): Don't create nonlocal_for_type.
624 (delete_alias_heapvars): Don't remove it.
625 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
628 2006-10-19 Brooks Moses <bmoses@stanford.edu>
630 * doc/install.texi (Downloading GCC): Clarify mention of
631 Fortran in the "full distribution" description.
633 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
635 Fix PR tree-optimization/28778
636 Fix PR tree-optimization/29156
637 Fix PR tree-optimization/29415
638 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
639 (tree_decl_with_vis): Add artificial_pta_var flag.
640 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
642 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
643 (nonlocal_all): Ditto.
644 (struct variable_info): Add directly_dereferenced member.
645 (var_escaped_vars): New variable.
646 (escaped_vars_tree): Ditto.
647 (escaped_vars_id): Ditto.
648 (nonlocal_vars_id): Ditto.
649 (new_var_info): Set directly_dereferenced.
650 (graph_size): New variable
651 (build_constraint_graph): Use graph_size.
652 (solve_graph): Don't process constraints that cannot change the
653 solution, don't try to propagate an empty solution to our
655 (process_constraint): Set directly_dereferenced.
656 (could_have_pointers): New function.
657 (get_constraint_for_component_ref): Don't process STRING_CST.
658 (nonlocal_lookup): New function.
659 (nonlocal_insert): Ditto.
660 (create_nonlocal_var): Ditto.
661 (get_nonlocal_id_for_type): Ditto.
662 (get_constraint_for): Allow results vector to be empty in the case
664 Handle results of calls properly.
665 (update_alias_info): Update alias info stats on number and type of
667 (find_func_aliases): Use could_have_pointers.
668 (make_constraint_from_escaped): Renamed from
669 make_constraint_to_anything, and changed to make constraints from
671 (make_constraint_to_escaped): New function.
672 (find_global_initializers): Ditto.
673 (create_variable_info_for): Make constraint from escaped to any
674 global variable, and from any global variable to the set of
676 (intra_create_variable_infos): Deal with escaped instead of
677 pointing to anything.
678 (set_uids_in_ptset): Do type pruning on directly dereferenced
680 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
681 (init_base_vars): Fix comment, and initialize escaped_vars.
682 (need_to_solve): Removed.
683 (find_escape_constraints): New function.
684 (expand_nonlocal_solutions): Ditto.
685 (compute_points_to_sets): Call find_escape_constraints and
686 expand_nonlocal_solutions.
687 (delete_points_to_sets): Don't fall off the end of the graph.
688 (init_alias_heapvars): Initialize nonlocal_for_type and
690 (delete_alias_heapvars): Free nonlocal_for_type and null out
693 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
695 * fold-const.c (add_double): Rename to add_double_with_sign.
696 Add 'unsigned_p' parameter and take it into account for the overflow.
697 (mul_double): Rename to mul_double_with_sign.
698 Add 'unsigned_p' parameter and take it into account for the overflow.
699 (fold_div_compare): Call add_double_with_sign instead of add_double
700 and mul_double_with_sign instead of mul_double, passing them the
701 unsignedness of the type.
702 * tree.h (add_double): Macroize.
703 (add_double_with_sign): New prototype.
704 (mul_double): Macroize.
705 (mul_double_with_sign): New prototype.
707 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
709 * config/score/crti.asm: New file.
710 * config/score/crtn.asm: New file.
711 * config/score/elf.h: New file.
712 * config/score/mac.md: New file.
713 * config/score/misc.md: New file.
714 * config/score/mul-div.S: New file.
715 * config/score/predicates.md: New file.
716 * config/score/score7.md: New file.
717 * config/score/score.c: New file.
718 * config/score/score-conv.h: New file.
719 * config/score/score.h: New file.
720 * config/score/score.md: New file.
721 * config/score/score-mdaux.c: New file.
722 * config/score/score-mdaux.h: New file.
723 * config/score/score-modes.def: New file.
724 * config/score/score.opt: New file.
725 * config/score/score-protos.h: New file.
726 * config/score/score-version.h: New file.
727 * config/score/t-score-elf: New file.
728 * config.gcc: Add score*-*-* configurations(Update before).
729 * doc/invoke.texi (Score Options): New section.
730 * doc/md.texi (Score family): New section to document constraints.
732 2006-10-19 Nick Clifton <nickc@redhat.com>
734 * config/arm/arm.c: Fix spelling typo.
736 2006-10-18 Tom Tromey <tromey@redhat.com>
738 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
740 2006-10-18 Jan Hubicka <jh@suse.cz>
743 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
746 2006-10-18 Marcin Dalecki <martin@dalecki.de>
748 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
749 TSI_SAME_STMT, since that's the desired entity.
751 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
753 * config/s390/contraints.md: New file.
754 * config/s390/s390-protos.h (s390_mem_constraint,
755 s390_O_constraint_str, s390_N_constraint_str,
756 s390_float_const_zero_p): Function prototypes added.
757 * config/s390/s390.c (s390_extra_constraint_str,
758 s390_const_double_ok_for_constraint_p,
759 s390_const_ok_for_constraint_p): Functions removed.
760 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
761 s390_float_const_zero_p): New functions.
762 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
763 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
764 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
765 Macro definitions removed.
766 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
767 s390_extra_constraint_str): Functions removed.
769 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
770 Richard Sandiford <richard@codesourcery.com>
773 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
774 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
776 2006-10-16 Geoffrey Keating <geoffk@apple.com>
778 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
779 (DWARF2_FRAME_REG_OUT): Likewise.
780 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
781 (DWARF2_FRAME_REG_OUT): Likewise.
783 2006-10-17 Paul Brook <paul@codesourcery.com>
785 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
787 2006-10-16 Brooks Moses <bmoses@stanford.edu>
789 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
790 Standardize on "GNU Fortran" as the official name of the Fortran
793 2006-10-16 Mike Stump <mrs@apple.com>
795 * doc/invoke.texi (Darwin Options): Document -mkernel.
796 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
798 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
799 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
800 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
801 (OS_MISSING_ALTIVEC): Add.
802 * config/i386/i386.c (override_options): Add
803 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
804 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
805 -mkernel, -static or -mdynamic-no-pic is given.
806 (C_COMMON_OVERRIDE_OPTIONS): Add.
807 * config/darwin.opt (fapple-kext): Add.
809 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
810 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
812 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
813 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
814 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
815 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
816 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
818 (flag_apple_kext): Add.
819 (TARGET_KEXTABI): Add.
820 * config/darwin.c (darwin_handle_kext_attribute): Add.
821 (DARWIN_VTABLE_P): Add.
822 (darwin_binds_local_p): Add partial support for rebinding vtables
824 (darwin_kextabi_p): Add.
825 (darwin_override_options): Add.
826 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
827 (darwin_kextabi_p): Add.
828 (darwin_override_options): Add.
829 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
830 __DYNAMIC__ and __STATIC__ here.
832 2006-10-16 Brooks Moses <bmoses@stanford.edu>
834 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
835 Added mention of "make pdf" target, and Texinfo requirements for
838 2006-10-16 DJ Delorie <dj@redhat.com>
840 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
841 into the GOT in case we need a subreg of the address.
843 2006-10-16 Richard Guenther <rguenther@suse.de>
846 * doc/extend.texi (X86 Built-in Functions): Fix typos in
847 SSE builtin documentation. Document SSE2 builtins.
849 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
851 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
852 symbol in the output file for non-shared links when -nostdlib or
853 -nodefaultlibs isn't specified.
855 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
856 posix thread support.
858 2006-10-15 Jan Hubicka <jh@suse.cz>
861 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
862 declared always_inline even when not inlining.
864 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
865 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
866 Andrew Pinski <pinskia@gmail.com>
869 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
871 2006-10-15 Jan Hubicka <jh@suse.cz>
872 Richard Guenther <rguenther@suse.de>
875 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
876 process_function_and_variable_attributes on all variables, including
877 those discovered during cgraph construction phase.
879 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
881 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
883 2006-10-14 Uros Bizjak <uros@kss-loka.si>
885 * config/i386/athlon.md (athlon_fist): Add fisttp.
887 2006-10-13 David Edelsohn <edelsohn@gnu.org>
888 Ian Lance Taylor <ian@airs.com>
891 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
892 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
895 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
897 * config/score/score.c, config/score/score.h: Fix comment
900 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
903 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
906 2006-10-13 Eric Christopher <echristo@apple.com>
908 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
910 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
913 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
914 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
915 alignment supported by 32-bit ELF.
917 2006-10-13 Eric Christopher <echristo@apple.com>
919 * config/darwin.c (darwin_emit_unwind_label): Strip
920 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
922 2006-10-13 Richard Guenther <rguenther@suse.de>
924 PR tree-optimization/29446
925 * tree-vrp.c (fix_equivalence_set): Remove.
926 (extract_range_from_assert): Do not call fix_equivalence_set.
927 (debug_value_range): Print a newline.
928 (compare_name_with_value): For equivalence sets with
929 inconsistent value ranges conservatively bail out.
930 (compare_names): Likewise.
932 2006-10-13 David Edelsohn <edelsohn@gnu.org>
934 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
935 and MPFR for gfortran.
937 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
939 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
940 alignment supported by 32-bit ELF.
942 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
946 * c-typeck.c (digest_init): Always allow initializing vectors
947 that have static storage duration with compound literals.
948 * tree.c (build_type_attribute_qual_variant): New, based on
949 build_type_attribute_variant.
950 (build_type_attribute_variant): Rewrite using the former.
951 (make_vector_type): Use build_type_attribute_qual_variant to build
952 type variants. Use type_hash_canon on the others.
954 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
955 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
957 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
959 2006-10-12 Jan Hubicka <jh@suse.cz>
962 * c-decl.c (c_make_fname_decl): Do not segfault in case where
963 current_function_decl is set but current_function_scope is not.
965 2006-10-12 Jie Zhang <jie.zhang@analog.com>
967 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
968 emit_insn to emit eh_return_internal instruction.
969 (eh_return_internal): Explicitly set pc.
971 2006-10-11 Richard Guenther <rguenther@suse.de>
973 PR tree-optimization/28230
974 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
975 to the correct place.
977 2006-10-11 Richard Guenther <rguenther@suse.de>
980 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
983 2006-10-10 Brooks Moses <bmoses@stanford.edu>
985 * configure.ac: Added pdf to "Make-hooks"
986 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
987 targets and *.pdf file patterns in cleanup targets.
988 * configure: Regenerated.
990 2006-10-10 Anatoly Sokolov <aesok@post.ru>
992 * config/avr/predicates.md: New file.
993 * config/avr/avr.md: Include it.
994 (REG_SP): New constant.
995 (peepholes): Use predicates.
996 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
997 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
998 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1000 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1002 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1005 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1008 * builtins.c (var_decl_component_p): New function.
1009 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1010 single entry optimization to variables and components thereof.
1012 2006-10-10 Richard Guenther <rguenther@suse.de>
1014 PR rtl-optimization/29323
1015 * except.c (set_nothrow_function_flags): For functions
1016 that do not bind local bail out early.
1018 2006-10-10 Ben Elliston <bje@au.ibm.com>
1020 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1023 2006-10-09 Richard Henderson <rth@redhat.com>
1025 Revert emutls patch.
1027 2006-10-09 Richard Guenther <rguenther@suse.de>
1030 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1033 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1036 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1037 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1038 * configure: Regenerate.
1039 * config.in: Regenerate.
1041 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1043 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1045 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1047 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1048 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1049 Remove stray newline.
1051 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1053 * config/mips/mips.c (mips_classify_symbol): Do not return
1054 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1055 (mips_in_small_data_p): Tweak comments.
1057 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1059 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1061 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1063 * gimplify.c, sched-int.h: Fix comment typos.
1065 * sched-int.h: Fix comment typos.
1067 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1069 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1071 * sched-ebb.c (begin_schedule_ready): Use them.
1072 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1073 add_to_speculative_block, create_check_block_twin, speculate_insn,
1074 fix_jump_move, move_block_after_check): Ditto.
1075 * sched-rgn.c (new_ready): Ditto.
1077 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1079 PR rtl-optimization/29128
1080 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1081 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1082 allow interblock movement of speculation checks.
1084 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1087 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1088 casted to integer type.
1089 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1090 if they are significantly more expensive than [reg + index] ones.
1092 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1094 PR tree-optimization/29330
1095 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1096 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1097 on newly allocated ddrs.
1098 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1099 to VEC (loop_p, heap) pointer.
1100 (compute_data_dependences_for_loop): Adjust caller.
1101 (free_dependence_relations): Free DDR_LOOP_NEST.
1103 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1104 free DEPENDENCE_RELATIONS and DATAREFS.
1107 * builtins.c (expand_builtin_sync_operation,
1108 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1109 Use convert_to_mode to handle promoted arguments.
1111 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1113 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1115 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1117 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1119 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1121 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1122 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1123 Use <modeconstraint> instead of "r" as operand 1 constraint.
1125 2006-10-06 Olivier Hainque <hainque@adacore.com>
1127 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1128 Don't recurse on the pointed-to type.
1129 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1130 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1131 types with components of variable size.
1133 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1135 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1137 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1139 PR tree-optimization/29290
1140 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1144 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1145 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1148 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1149 the number of vector elements fill the rest with zeros.
1151 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1153 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1154 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1157 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1159 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1160 unnamed pattern into subsi3. Use correct constraints/predicates.
1161 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1162 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1164 2006-10-05 Ira Rosen <irar@il.ibm.com>
1166 * doc/loop.texi: Add data references analysis description.
1168 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1170 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1172 2006-10-04 Richard Henderson <rth@redhat.com>
1173 Jakub Jelinek <jakub@redhat.com>
1175 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1176 * builtin-types.def (BT_WORD): Make unsigned.
1177 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1178 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1179 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1180 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1181 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1182 * cgraph.c (decide_is_variable_needed): Look at force_output.
1183 Recurse for emulated tls.
1184 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1185 checks redundant with decide_is_variable_needed.
1186 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1187 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1189 * expr.c (emutls_var_address): New.
1190 (expand_expr_real_1): Expand emulated tls.
1191 (expand_expr_addr_expr_1): Likewise.
1192 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1193 * output.h (emutls_finish): Declare.
1194 * toplev.c (compile_file): Call it.
1195 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1196 address before wrapping in CONST.
1197 * varasm.c (emutls_htab, emutls_object_type): New.
1198 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1199 (get_emutls_object_name, get_emutls_object_type): New.
1200 (get_emutls_init_templ_addr, emutls_decl): New.
1201 (emutls_common_1, emutls_finish): New.
1202 (assemble_variable): When emulating tls, swap decls; generate
1203 constructor for the emutls objects.
1204 (do_assemble_alias): When emulating tls, swap decl and target name.
1205 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1207 * emutls.c: New file.
1208 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1209 tls_object for real tls.
1211 2006-10-04 Zack Weinberg <zackw@panix.com>
1213 Fix bug in constraint-check generator, reported by Rask Ingemann
1215 * genpreds.c (add_constraint): Don't remove anything from the
1217 (write_tm_constrs_h): Detect whether "op" argument is used, and
1218 mark it ARG_UNUSED if it isn't.
1219 (write_insn_const_int_ok_for_constraint): Skip the part of the
1220 expression that would test whether "op" (which is not available
1221 here) is a CONST_INT.
1223 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1226 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1228 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1230 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1231 current Leopard versions.
1232 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1234 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1236 * doc/install.texi: Fix typos.
1238 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1240 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1241 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1242 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1244 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1246 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1247 arg to be struct mach_header_64* instead.
1249 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1252 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1253 side effects after the outer expression's post side effects.
1255 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1257 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1258 comments to reflect actual behavior and relationship between
1259 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1261 * doc/c-tree.texi (Working with declarations): Fix documentation
1262 of FIELD_DECL likewise.
1264 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1267 * doc/extend.texi: Add used variable attribute description.
1269 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1272 * c.opt (Woverride-init): New.
1273 * c-opts.c (c_common_post_options): Default warn_override_init to
1275 * c-typeck.c (add_pending_init, output_init_element): Warn for
1276 overriding initializers without side effects.
1277 * doc/invoke.texi (-Woverride-init): Document.
1280 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1282 PR rtl-optimization/28096
1283 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1284 assignment has already been used as a destination earlier in the block.
1286 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1288 * builtins.c (expand_builtin_setjmp): Delete.
1289 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1290 <BUILT_IN_SETJMP_SETUP>: New case.
1291 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1292 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1293 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1294 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1295 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1296 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1297 (lower_function_body): Initialize it to false. If it is set to true
1298 at the end of the processing, emit the setjmp dispatcher.
1299 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1300 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1301 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1302 on the rhs of the assignment.
1303 (lower_builtin_setjmp): New function.
1304 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1305 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1306 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1307 to detect calls that can go to non-local labels. Use specific
1308 helper to create the abnormal edges associated with them.
1309 <MODIFY_EXPR>: Likewise.
1310 (make_abnormal_goto_edges): New function extracted from...
1311 (make_goto_expr_edges): ...here. Call it for computed gotos.
1312 (simple_goto_p): Minor tweak.
1313 (tree_can_make_abnormal_goto): New predicate.
1314 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1315 (tree_purge_dead_abnormal_call_edges): New function.
1316 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1317 (tree_purge_dead_abnormal_call_edges): Likewise.
1318 (make_abnormal_goto_edges): Likewise.
1319 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1320 Purge all dead abnormal edges if the call was in the last statement.
1321 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1322 (execute_fixup_cfg): If there are non-local labels in the function,
1323 scan the basic blocks and split them at calls that can go to non-local
1324 labels or add missing abnormal call edges. Write down the CFG in the
1326 (pass_fixup_cfg): Remove TODO_dump_func flag.
1327 * unwind-sjlj.c: Poison setjmp.
1328 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1329 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1330 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1331 (DONT_USE_BUILTIN_SETJMP): Document it.
1333 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1336 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1337 to 1 when __ppc64__ is defined.
1338 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1340 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1342 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1344 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1345 * config/ia64/unwind-hpux.c: Delete.
1347 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1349 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1350 on the element before gimplifying it, instead of punting if it is of
1353 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1355 * doc/loop.texi: New file.
1356 * doc/gccint.texi: Reference loop.texi.
1357 * Makefile.in (loop.texi): Add.
1359 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1361 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1363 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1364 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1366 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1368 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1370 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1372 * doc/install.texi: Document required versions of GMP and MPFR.
1374 2006-09-27 Paul Brook <paul@codesourcery.com>
1377 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1379 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1381 * reload1.c (alter_reg): Require the alignment of the stack slot to
1382 be at least reg_max_ref_width bytes.
1383 (scan_paradoxical_subregs): Record the largest width in
1386 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1390 * tree-nested.c (struct nesting_info): Added static_chain_added.
1391 (convert_call_expr): Set static_chain_added when adding static
1392 chain. Handle OMP_PARALLEL and OMP_SECTION.
1394 2006-09-25 Matthias Klose <doko@debian.org>
1396 * doc/invoke.texi: Add missing full stop.
1398 2006-09-25 Richard Henderson <rth@redhat.com>
1400 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1401 before cgraph_function_flags_ready.
1403 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1404 Adam Nemet <anemet@caviumnetworks.com>
1406 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1407 determine_common_wider_type): New functions.
1408 (get_computation_aff): Use them to simplify arithmetic between
1409 UBASE and CBASE if they are shortened from the same type.
1411 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1414 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1415 -2147483647 - 1 instead of 0x80000000.
1417 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1419 * flags.h (HONOR_NANS): Fix typo in comment.
1421 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1423 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1425 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1429 * tree.c (merge_attributes, attribute_list_contained): If both
1430 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1432 * c-typeck.c (comptypes_internal): Don't consider aggregates
1433 in different TUs as compatible if there one set of attributes is
1434 not a subset of the other type's attributes.
1435 (composite_type): Try harder not to create a new aggregate type.
1437 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1439 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1440 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1441 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1442 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1443 than replicating condition above.
1444 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1446 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1447 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1448 the linker by default.
1450 2006-09-22 Mike Stump <mrs@apple.com>
1452 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1455 2006-09-22 Richard Guenther <rguenther@suse.de>
1458 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1459 sort of stack variables stable.
1461 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1464 * explow.c (force_reg): Set REG_POINTER flag according to
1467 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1469 PR tree-optimization/28888
1470 * tree-if-conv.c (combine_blocks): Rewritten.
1471 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1472 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1474 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1476 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1479 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1481 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1483 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1485 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1487 2006-09-21 Roger Sayle <roger@eyesopen.com>
1490 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1491 dw_fde_current_label, to be the start of the function, i.e. the same
1492 value as dw_fde_begin.
1494 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1496 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1497 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1498 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1499 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1500 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1501 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1502 (abs<mode>2, neg<mode>2): Likewise.
1503 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1504 (*mips_abs_ps): New define_insn.
1506 2006-09-20 Josh Conner <jconner@apple.com>
1509 * calls.c (expand_call): Allow reuse of structure return stack
1512 2006-09-20 Paul Brook <paul@codesourcery.com>
1514 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1517 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1519 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1520 clean up terminology.
1522 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1525 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1526 with tablejumps in them.
1528 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1531 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1532 wrap it into TARGET_EXPR.
1534 2006-09-20 Eric Christopher <echristo@apple.com>
1536 * config/i386/i386.c (x86_fisttp): Remove.
1537 * config/i386/i386.h (x86_fisttp): Ditto.
1538 (TARGET_FISTTP): Ditto.
1540 2006-09-19 Eric Christopher <echristo@apple.com>
1542 * doc/tm.texi (OBJC_JBLEN): Describe.
1543 * config/i386/darwin.h (OBJC_JBLEN): Define.
1544 * config/rs6000/darwin.h: Ditto.
1546 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1548 PR rtl-optimization/21299
1549 * reload1.c (reload): Purge invalid ASMs in the final pass.
1551 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1554 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1555 pointers as legitimate constants.
1557 2006-09-19 Paul Brook <paul@codesourcery.com>
1560 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1562 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1564 PR tree-optimization/28887
1565 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1566 component parts from the reference.
1567 (gather_memory_references_ref): Record the reference without the
1568 nonaddressable component parts.
1570 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1573 * c-opts.c (c_common_handle_option): Ignore the -std options
1574 if the input language is assembly.
1576 2006-09-17 Ira Rosen <irar@il.ibm.com>
1579 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1581 (ptr_ptr_may_alias_p): Likewise.
1582 (record_record_differ_p): New function.
1583 (base_object_differ_p): Call record_record_differ_p.
1585 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1588 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1589 away for the expr argument.
1591 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1594 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1595 before using it for dumping after vectorizing loops.
1597 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1598 Jack Howarth <howarth@bromo.med.uc.edu>
1601 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1602 skip on error_mark_node.
1603 (rs6000_darwin64_record_arg_recurse): Likewise.
1605 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1607 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1608 * doc/rtl.texi: Remove related documentation.
1610 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1612 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1615 2006-09-15 Jim Wilson <wilson@specifix.com>
1617 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1618 Handle symbol offsets same as they are handled in ia64_expand_move
1621 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1623 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1624 Add forgotten parameter to the fprintf call.
1626 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1628 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1630 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1632 * doc/contrib.texi: Add my entry.
1634 2006-09-15 Nick Clifton <nickc@redhat.com>
1636 * doc/md.texi (Processor pipeline description): Fix typo in
1637 example of how to use the absence_set directive and reword the
1638 description to make it slightly easier to read.
1640 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1642 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1643 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1644 expanding the number of iterations.
1645 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1647 * cfgrtl.c (emit_insn_at_entry): New function.
1648 * rtl.h (emit_insn_at_entry): Declare it.
1649 * integrate.c (emit_initial_value_sets): Use it.
1651 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1653 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1655 (struct loop_work and related VEC declarations): Delete.
1656 (bfin_dump_loops): Print out new member bad.
1657 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1658 (bfin_scan_loop): Don't recurse.
1659 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1660 loops. No longer need to update outer loops if the current one is
1661 found bad. Move some validitiy checks to bfin_discover_loop.
1662 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1663 but changed not to check for nesting. Also changed to use the new bad
1665 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1666 time. Use bitmap based test to discover loop nesting.
1668 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1670 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1673 2006-09-14 Richard Guenther <rguenther@suse.de>
1674 Kazu Hirata <kazu@codesourcery.com>
1676 PR middle-end/28884.
1677 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1678 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1679 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1680 with TARGET_FUNCTION_VALUE.
1682 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1685 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1687 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1689 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1692 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1695 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1698 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1700 * basic_block.h (bb_has_eh_pred): Fix comment.
1702 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1704 * flow.c (calculate_global_regs_live): Invalidate eh registers
1705 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1706 (propagate_block): Handle eh registers as if they were set at basic
1708 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1710 * global.c (global_conflicts): Make eh registers to conflict with
1711 pseudos live at basic block begin.
1712 * basic_block.h (bb_has_eh_pred): New function.
1714 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1716 PR rtl-optimization/28982
1717 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1718 index of a PRE_MODIFY or POST_MODIFY address.
1719 * reload1.c (inc_for_reload): Use find_replacement on the original
1720 base and index registers.
1722 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1724 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1725 for -Os. Update __m128 alignment requirement.
1727 2006-09-13 Jan Hubicka <jh@suse.cz>
1729 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1731 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1733 PR rtl-optimization/28243
1734 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1735 the insn to which the note was originally attached.
1737 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1738 Roger Sayle <roger@eyesopen.com>
1740 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1741 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1742 on platforms that don't use dwarf for debug info.
1744 2006-09-12 Jason Merrill <jason@redhat.com>
1747 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1748 hard_frame_pointer_rtx after using it to update the frame pointer.
1750 2006-09-12 Roger Sayle <roger@eyesopen.com>
1752 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1753 (TARGET_ASM_CLOSE_PAREN): Likewise.
1754 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1755 (TARGET_ASM_CLOSE_PAREN): Likewise.
1757 2006-09-12 Roger Sayle <roger@eyesopen.com>
1760 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1761 frame information for frames larger than 512 Kbytes on Tru64 when
1762 using the native assembler.
1764 2006-09-12 Roger Sayle <roger@eyesopen.com>
1768 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1769 and symbols. Instead use the implementation from cse.c's hash_rtx.
1771 2006-09-12 Jan Hubicka <jh@suse.cz>
1773 PR rtl-optimization/28071
1774 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1775 (vect_transform_loop): Likewise.
1776 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1777 (new_loop_vec_info): Likewise.
1778 (destroy_loop_vec_info): Likewise.
1779 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1780 (create_stmt_ann): Likewise.
1781 (create_tree_ann): Rename to ...
1782 (create_tree_common_ann): ... this one; allocate only the common part
1784 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1785 (get_value_handle): Likewise.
1786 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1787 get_tree_common_ann.
1788 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1789 (vinfo_for_stmt): Use stmt annotations.
1790 * tree-flow.h (tree_ann_common_t): New type.
1791 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1792 (tree_ann, get_tree_ann, create_tree_ann): New.
1793 * tree-flow-inline.h (get_function_ann): Do more type checking.
1794 (stmt_ann): Likewise.
1795 (tree_ann): Rename to ...
1796 (tree_common_ann): ... this one; return ony common_ann
1797 (get_tree_ann): Rename to ...
1798 (tree_common_ann): This one; return only common_ann.
1799 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1802 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1804 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1805 with_cpu by default.
1807 * dwarf2out.c (dwarf_file_data): New.
1808 (enum dw_val_class): Add dw_val_class_file.
1809 (struct dw_val_struct): Add val_file.
1810 (file_table): Change to a hash table.
1811 (file_table_emitted): Delete.
1812 (file_table_last_lookup_index): Delete.
1813 (emitcount): Delete.
1814 (last_emitted_file): New.
1815 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1816 (init_file_table): Delete.
1817 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1818 (AT_addr): Add comment.
1822 (print_die): Handle dw_val_class_file.
1823 (print_dwarf_line_table): Update for new file table structure.
1824 (attr_checksum): Do checksum a filename.
1825 (same_dw_val_p, same_attr_p): Do compare a filename.
1826 (size_of_die): Handle dw_val_class_file.
1827 (value_format): Likewise.
1828 (output_die): Likewise. Also, call maybe_emit_file here.
1829 (struct file_info): Constify filenames. Make file_idx a pointer
1830 to a struct dwarf_file_data.
1831 (struct dir_info): Constify directory names. Remove 'used' field.
1832 (struct file_name_acquire_data): New.
1833 (file_name_acquire): New.
1834 (output_file_names): Modify to handle new file data structures.
1835 (add_src_coords_attributes): Use add_AT_file.
1836 (add_call_src_coords_attributes): Likewise.
1837 (dwarf2out_imported_module_or_decl): Likewise.
1838 (gen_subprogram_die): Modify for new file data structures.
1839 (gen_variable_die): Likewise.
1840 (file_table_eq): New.
1841 (file_table_hash): New.
1842 (file_table_last_lookup): New.
1843 (lookup_filename): Rewrite to handle new file data structures.
1844 (maybe_emit_file): Rewrite to handle new file data structures.
1845 (dwarf2out_source_line): Always call lookup_filename and
1847 (dwarf2out_init): Create file_table here.
1848 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1849 (file_table_relative_p): New.
1850 (dwarf2out_finish): Change detection of relative filenames
1851 to work with new file data structures. Move output_line_info call
1852 after debug_info output.
1854 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1859 * config/i386/i386.c (override_options): Always default to 16
1860 byte stack boundary.
1862 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1865 * var-tracking.c (dump_dataflow_set): Start dumping at
1867 (clobber_variable_part): Kill only the variable part in
1868 registers holding it, leaving other variables alone.
1870 2006-09-11 Josh Triplett <josh@freedesktop.org>
1872 * doc/extend.texi (Other Builtins): Actually use the macro
1873 argument in the documentation example for
1874 __builtin_types_compatible_p.
1876 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1878 PR rtl-optimization/28726
1879 * sched-deps.c (sched_analyze_reg): New function extracted from...
1880 (sched_analyze_1): ...here. Call it to analyze references to
1881 registers. Treat again writes to a stack register as writing to the
1883 (sched_analyze_2): ...and here. Call it to analyze references to
1884 registers. Treat again reads of a stack register as reading the
1887 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1888 David Edelsohn <edelsohn@gnu.org>
1891 * config/rs6000/spe.md (frob_df_di): Remove %H.
1892 (frob_di_df): Remove %H. Change evmergelo to mr.
1893 (frob_di_df_2): Remove %H. Change evldd to two loads.
1895 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1897 * doc/cpp.texi: Fix names of charset options.
1899 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1902 * config/i386/i386.c (override_options): Use 128-bit
1903 stack boundary always for 64bits.
1905 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1907 PR rtl-optimization/28636
1908 * combine.c (force_to_mode): Test for side-effects before
1909 substituting by zero.
1910 (simplify_shift_const): Likewise for zero or other constants.
1912 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1915 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1918 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1921 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1922 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1923 returned by mode_for_size, rather than the mode of src itself,
1924 to choose between 32-bit and 64-bit patterns.
1925 (mips_mem_fits_mode_p): New function.
1926 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1927 that the size of the source matches the size of the destination.
1928 (mov_<store>l, mov_<store>r): Likewise.
1930 2006-09-10 Eric Christopher <echristo@apple.com>
1932 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1935 2006-09-09 Eric Christopher <echristo@apple.com>
1938 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1941 2006-09-09 Roger Sayle <roger@eyesopen.com>
1942 Nicolas Setton <setton@adacore.com>
1944 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1946 2006-09-10 Andreas Schwab <schwab@suse.de>
1948 * config/m68k/m68k.md (bungt_rev): New pattern.
1950 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1951 Dale Johannesen <dalej@apple.com>
1954 * regclass.c (struct reg_pref): Update documentation.
1955 (regclass): Set prefclass to NO_REGS if memory is the best option.
1956 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1958 2006-09-08 Eric Christopher <echristo@apple.com>
1960 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1961 * config/t-slibgcc-darwin: Support x86_64 multilib.
1962 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1963 Return 1 for x86_64-darwin.
1964 * config/i386/t-darwin: Add m64 multilib.
1965 (LIB2_SIDITI_CONV_FUNCS): Use.
1966 (LIB2FUNCS_EXTRA): Ditto.
1967 * config/i386/darwin.h: Support x86_64.
1968 * config/i386/i386.c (override_options): Turn on flag_pic
1969 for x86_64-darwin. Disable flag_omit_pointer.
1970 (get_pc_thunk_name): Assert !TARGET_64BIT.
1971 (legitimate_address_p): Disable machopic addressing for
1973 (legitimize_pic_address): Ditto.
1974 (ix86_expand_move): Ditto.
1975 (ix86_expand_call): Ditto.
1976 (machopic_output_stub): Ditto.
1977 * config/darwin.c (machopic_select_section): Support literal16.
1978 (machopic_select_rtx_section): Ditto.
1979 * config/darwin-sections.def: Ditto.
1980 * config/darwin-64.c: New.
1982 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1985 * c-tree.h (struct c_arg_info): Add pending_sizes.
1986 * c-parser.c (c_parser_parms_declarator,
1987 c_parser_parms_list_declarator): Initialize pending_sizes.
1988 * c-decl.c (get_parm_info): Initialize pending_sizes.
1989 (get_parm_info): Set pending_sizes.
1990 (grokdeclarator): Call put_pending_sizes for parameters for
1991 function definition only.
1993 2006-09-07 Jason Merrill <jason@redhat.com>
1996 * varasm.c (output_constant): Only strip actual no-op conversions.
1999 * config/i386/i386.c (override_options): Use 128-bit
2000 stack boundary if -msse.
2002 2006-09-07 Eric Christopher <echristo@apple.com>
2004 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2006 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2009 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2011 * dwarf2out.c: Remove strange characters from comment above
2012 dwarf2out_frame_debug_expr.
2014 2006-09-07 Eric Christopher <echristo@apple.com>
2016 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2017 * config/darwin.h: ... to here.
2019 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2021 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2023 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2024 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2026 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2027 TARGET_PARTIAL_FLAG_REG_STALL.
2028 (*ashldi3_cconly_rex64): Likewise.
2029 (*ashlsi3_cmp): Likewise.
2030 (*ashlsi3_cconly): Likewise.
2031 (*ashlsi3_cmp_zext): Likewise.
2032 (*ashlhi3_cmp): Likewise.
2033 (*ashlhi3_cconly): Likewise.
2034 (*ashlqi3_cmp): Likewise.
2035 (*ashlqi3_cconly): Likewise.
2036 (*ashrdi3_cmp_rex64): Likewise.
2037 (*ashrdi3_cconly_rex64): Likewise.
2038 (*ashrsi3_cmp): Likewise.
2039 (*ashrsi3_cconly): Likewise.
2040 (*ashrsi3_cmp_zext): Likewise.
2041 (*ashrhi3_cmp): Likewise.
2042 (*ashrhi3_cconly): Likewise.
2043 (*ashrqi3_cmp): Likewise.
2044 (*ashrqi3_cconly): Likewise.
2045 (*lshrdi3_cmp_rex64): Likewise.
2046 (*lshrdi3_cconly_rex64): Likewise.
2047 (*lshrsi3_cmp): Likewise.
2048 (*lshrsi3_cconly): Likewise.
2049 (*lshrsi3_cmp_zext): Likewise.
2050 (*lshrhi3_cmp): Likewise.
2051 (*lshrhi3_cconly): Likewise.
2052 (*lshrqi2_cmp): Likewise.
2053 (*lshrqi2_cconly): Likewise.
2055 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2058 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2059 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2060 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2061 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2062 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2063 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2064 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2065 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2066 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2067 implement only CC setting effects of shift instructions.
2069 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2071 * doc/contrib.texi: Add myself.
2073 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2076 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2077 was set by the user.
2079 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2082 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2083 (divsi_inv_m1): Use them.
2084 (UNSPEC_DIV_INV_TABLE): New constant.
2086 2006-09-06 James E Wilson <wilson@specifix.com>
2089 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2090 then call count_or_remove_death_notes.
2092 2006-09-06 Jason Merrill <jason@redhat.com>
2095 * tree-inline.c (copy_result_decl_to_var): New fn.
2096 (declare_return_variable): Use it. Call declare_inline_vars here.
2097 (expand_call_inline): Not here.
2099 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2101 * doc/contrib.texi: Update my entry.
2103 2006-09-06 Nick Clifton <nickc@redhat.com>
2105 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2107 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2110 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2111 (canonicalize_induction_variables): Likewise.
2112 (tree_unroll_loops_completely): Likewise.
2113 (tree_ssa_prefetch_arrays): Likewise.
2114 (remove_empty_loops): Likewise.
2115 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2116 TODO_cleanup_cfg instead of directly calling
2117 cleanup_tree_cfg_loop.
2118 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2120 (tree_unroll_loops_completely): Likewise.
2121 (remove_empty_loops): Likewise.
2122 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2123 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2124 of tree_ssa_unswitch_loops.
2125 (tree_ssa_loop_ivcanon): Use the return value of
2126 canonicalize_induction_variables.
2127 (tree_ssa_empty_loop): Use the return value of
2129 (tree_complete_unroll): Use the return value of
2130 tree_unroll_loops_completely.
2131 (tree_ssa_loop_prefetch): Use the return value of
2132 tree_ssa_prefetch_arrays.
2133 * passes.c (execute_todo): Before Cleanup CFG, set
2134 updating_used_alone and after cleanup CFG, call
2135 recalculate_used_alone.
2137 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2140 * tree-vect-transform.c (vectorizable_condition): Move the check
2141 for the type after the check for simple condition.
2143 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2144 Kaz Kojima <kkojima@gcc.gnu.org>
2147 * mode-switching.c (optimize_mode_switching): Make the destination
2148 block of an abnormal edge have no anticipatable mode. Don't
2149 insert mode switching code at the end of the source block of
2152 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2154 PR rtl-optimization/26847
2155 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2156 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2157 (simplify_plus_minus): Count n_constants while filling ops. Replace
2158 qsort with insertion sort. Before going through the array to simplify
2159 pairs, sort it. Delay early exit until after the first sort, exiting
2160 only if no swaps occurred. Simplify pairs in reversed order, without
2161 special-casing the first iteration. Pack ops after simplifying pairs.
2163 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2165 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2166 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2167 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2168 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2170 2006-09-05 Richard Guenther <rguenther@suse.de>
2172 PR tree-optimization/28900
2173 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2174 compound conditional before creating COND_EXPR condition.
2176 2006-09-05 Richard Guenther <rguenther@suse.de>
2178 PR tree-optimization/28905
2179 * tree-vrp.c (fix_equivalence_set): Manually implement
2180 !value_ranges_intersect_p to also handle symbolic ranges.
2182 2006-09-05 Richard Guenther <rguenther@suse.de>
2185 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2188 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2190 PR rtl-optimization/27616
2191 * cse.c (table_size): New static variable.
2192 (new_basic_block): Initialize it to 0.
2193 (remove_from_table): Decrement it.
2194 (insert): Increment it.
2195 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2196 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2197 fold_rtx_mem_1 if under the cap.
2198 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2199 the lookup of the equivalent expression and test for equality of the
2200 first operand of the equivalent expression before in turn looking up
2201 an equivalent constant for the second operand.
2203 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2206 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2207 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2208 pointer, instead of assuming it is possible to derive the
2209 correct args size from a call insn.
2211 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2214 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2215 (fold_builtin_mempcpy): Rename to...
2216 (fold_builtin_memory_op): ... this. Optimize one element copy
2218 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2220 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2221 (expand_builtin_memcpy, expand_builtin_mempcpy,
2222 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2223 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2224 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2225 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2227 2006-09-01 DJ Delorie <dj@redhat.com>
2229 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2230 (stzx_16): Likewise.
2231 ("stzx_24_<mode>"): Likewise.
2232 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2233 ("cmp<mode>_op"): New.
2234 (cmp<mode>): Change to expander; just save operands.
2236 (b<code>): Change to expander, emit compare here.
2237 (s<code>_op): Change to use split and expander.
2238 (s<code>_24_op): Likewise.
2239 (s<code>_<mode>): New.
2240 (s<code>_<mode>_24): New.
2241 (movqicc_<code>_<mode): New.
2242 (movhicc_<code>_<mode>): New.
2245 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2246 (m32c_pend_compare): New.
2247 (m32c_unpend_compare): New.
2248 (m32c_expand_scc): New.
2249 (m32c_expand_movcc): Emit the compare also.
2250 * config/m32c/predicates.md (mra_nopp_operand): New.
2252 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2253 Richard Guenther <rguenther@suse.de>
2254 Adam Nemet <anemet@caviumnetworks.com>
2257 * builtins.c (get_pointer_alignment): Handle more forms
2258 of base addresses that can be used to derive more precise
2259 information about alignment.
2261 2006-09-01 Jason Merrill <jason@redhat.com>
2264 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2267 * gimplify.c (voidify_wrapper_expr): Handle null type.
2269 2006-09-01 Josh Conner <jconner@apple.com>
2272 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2273 (execute_return_slot_opt): Use it.
2275 2006-08-31 Josh Conner <jconner@apple.com>
2278 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2279 returning aggregates.
2281 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2283 PR tree-optimization/28839
2284 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2285 blocks in that phi arguments appear.
2287 2006-08-31 Roger Sayle <roger@eyesopen.com>
2290 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2291 NULL, otherwise use an advance_loc4 to adjust relative to the
2293 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2294 (dwarf2out_switch_text_section): Reset the current label to avoid
2295 using advance_loc4 over section boundaries.
2297 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2300 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2301 r12 + SYMBOLIC_CONST.
2303 2006-08-30 Richard Guenther <rguenther@suse.de>
2305 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2307 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2309 PR rtl-optimization/27735
2310 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2311 Add new argument to keep track of whether an irreducible region
2312 was affected. All callers changed.
2313 (fix_irreducible_loops): Removed.
2314 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2315 flags were invalidated.
2317 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2319 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2320 instead of SF operands.
2321 (*fop_df_comm_sse): Likewise.
2322 (*fop_df_comm_i387): Likewise.
2323 (*fop_df_1_mixed): Likewise.
2324 (*fop_df_1_sse): Likewise.
2326 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2327 J"orn Rennecke <joern.rennecke@st.com>
2329 PR tree-optimization/17506
2330 * tree-ssa.c (warn_uninit): If warning about a location outside of
2331 the current function, note where the variable was declared.
2333 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2335 PR tree-optimization/28411
2336 * double-int.c (double_int_div): Use double_int_divmod.
2337 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2338 double_int_mod, double_int_smod, double_int_umod): New functions.
2339 * double-int.h (double_int_divmod, double_int_sdivmod,
2340 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2342 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2344 (get_computation_aff, get_computation_cost_at): Handle double_int
2345 return type of constant_multiple_of.
2347 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2350 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2351 an implicit conversion.
2353 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2355 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2357 2006-08-27 Roger Sayle <roger@eyesopen.com>
2359 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2362 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2364 * config/i386/crtfastmath.c: Fix a comment typo.
2366 2006-08-26 Roger Sayle <roger@eyesopen.com>
2368 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2369 temporary visit flags on CASE_LABEL_EXPRs.
2370 * c-common.c (match_case_to_enum): Add function comment. Avoid
2371 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2372 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2373 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2374 a constant, only warn if that constant value isn't handled.
2376 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2379 * input.h (restore_input_file_stack): Declare.
2380 (INPUT_FILE_STACK_BITS): Define.
2381 * toplev.c (fs_p, input_file_stack_history,
2382 input_file_stack_restored, restore_input_file_stack): New.
2383 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2384 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2385 (pop_srcloc): Don't free old state of stack.
2387 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2390 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2391 (PowerPC Type Attributes): New.
2393 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2395 * config/xtensa/xtensa.c (function_arg_boundary): New.
2396 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2398 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2399 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2401 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2404 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2407 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2409 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2410 (verify_local_live_at_start): Likewise.
2412 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2415 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2416 omp_add_variable): Treat sizes as variable whenever not
2419 2006-08-26 Richard Guenther <rguenther@suse.de>
2422 * fold-const.c (fold_binary): Fold temporary to correct
2423 type before constructing new comparison.
2425 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2428 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2429 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2431 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2434 * c-decl.c (start_function): Don't try to process prototype
2435 information from old declaration that isn't a function.
2437 2006-08-25 Jan Hubicka <jh@suse.cz>
2440 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2442 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2445 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2448 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2450 PR tree-optimization/16876
2451 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2452 exit if PARM doesn't match VALUE.
2454 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2456 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2457 literal_prefix directive.
2458 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2459 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2460 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2462 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2465 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2466 predicate to general_operand. Add 0->y and I->r alternatives.
2468 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2470 * doc/tm.texi: Fix a typo.
2471 * predict.c: Fix comment typos.
2473 2006-08-25 Nick Clifton <nickc@redhat.com>
2475 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2476 assertions of "cpu" and "machine".
2478 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2481 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2482 the access through a base which has an alias set of 0 cannot
2485 2006-08-24 Bill Wendling <wendling@apple.com>
2487 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2489 2006-08-24 Jan Hubicka <jh@suse.cz>
2491 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2493 2006-08-24 Jan Hubicka <jh@suse.cz>
2496 * cgraph.c: Fix comments.
2497 (cgraph_varpool_mark_needed_node): Mark only variables not already
2499 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2500 (cgraph_varpool_assembled_nodes_queue): New static variable.
2501 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2502 (cgraph_varpool_output_debug_info): New function.
2503 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2504 * Makefile.in: Add gt-cgraphunit.h
2506 2006-08-24 Jan Hubicka <jh@suse.cz>
2508 * predict.c (probability_reliable_p): New predicate.
2509 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2510 (predict_loops): Do not predict loop exit with less than 2%
2512 * basic-block.h (edge_probability_reliable_p,
2513 br_prob_note_reliable_p): Declare.
2514 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2515 prediction when static predictor is not reliable.
2516 * rs6000.c (output_cbranch): Likewise.
2518 2006-08-23 Stuart Hastings <stuart@apple.com>
2521 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2522 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2524 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2527 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2528 complex values, nor for generic vector values.
2530 2006-08-22 Richard Guenther <rguenther@suse.de>
2533 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2534 parameter. Convert arguments to arithmetic expression to the
2536 (analyze_scalar_evolution_1): Adjust caller.
2538 2006-08-22 Jan Hubicka <jh@suse.cz>
2540 Patch by Paolo Bonzini
2541 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2544 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2546 PR tree-optimization/28003
2547 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2548 before grouping aliases.
2550 2006-08-22 Roger Sayle <roger@eyesopen.com>
2552 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2553 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2555 2006-08-21 Jason Merrill <jason@redhat.com>
2558 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2559 wrapper. Loop to handle nested wrappers.
2560 (gimplify_bind_expr): Remove temp parameter.
2561 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2562 and STATEMENT_LIST on the rhs.
2563 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2564 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2565 (gimplify_target_expr): Remove special BIND_EXPR handling.
2567 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2569 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2572 2006-08-21 Olivier Hainque <hainque@adacore.com>
2574 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2575 Arrange for the temporary captures of components overlapping the lhs
2576 to happen before the lhs is possibly cleared.
2578 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2580 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2581 necessary places to pass the correct "number of registers" values
2584 2006-08-20 Jan Hubicka <jh@suse.cz>
2586 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2587 (create_name_tags): Instead of quadratic checking use hashtable.
2588 * bitmap.h: Include hashtab.h.
2589 (bitmap_hash): Declare.
2590 * bitmap.c (bitmap_hash): New function.
2592 2006-08-20 Jan Hubicka <jh@suse.cz>
2594 PR rtl-optimization/28071
2595 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2597 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2598 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2599 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2600 cgraph_decide_inlining_incrementally): Update use of
2601 cgraph_check_inline_limits.
2602 * cgraph.c (edge_hash, edge_eq): New function.
2603 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2604 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2605 cgraph_remove_node): Maintain call site hash.
2606 * cgraph.h (struct cgraph_node): Add call_site_hash.
2607 (cgraph_set_call_stmt): New function.
2609 2006-08-20 Jan Hubicka <jh@suse.cz>
2611 PR rtl-optimization/28071
2612 * reload1.c (reg_has_output_reload): Turn into regset.
2613 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2614 choose_reload_regs, emit_reload_insns): Update to new
2615 reg_has_output_reload.
2617 2006-08-20 Jan Hubicka <jh@suse.cz>
2620 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2621 function body sizes.
2622 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2624 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2627 * tree.c (handle_dll_attribute): Return early if not a
2628 var or function decl.
2630 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2633 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2634 alignment of SPE vector types.
2636 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2638 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2640 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2643 * cgraph.h (struct cgraph_node): Remove externally_visible
2645 * cgraphunit.c (process_function_and_variable_attributes): Set
2646 local.externally_visible rather than externally_visible.
2649 * c-common.c (handle_externally_visible_attribute): First look
2650 at TREE_CODE and only if it is function or var decl, check for
2651 non-public objects. Don't warn for DECL_EXTERNAL.
2652 * cgraphunit.c (process_function_and_variable_attributes): Warn
2653 if externally_visible attribute is used on non-public object.
2655 2006-08-17 Jan Hubicka <jh@suse.cz>
2657 PR tree-optimization/27865
2658 * reload1.c (forget_marked_reloads): New function.
2659 (forget_old_reloads_1): When data are passed, just mark the registers
2661 (reload_as_needed): Use the new mechanizm.
2663 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2666 * reload.h (reg_equiv_alt_mem_list): New declaration.
2667 * reload1.c (reg_equiv_alt_mem_list): New definition.
2668 (reload): Initialize it and release it.
2669 (delete_output_reload): Use it.
2670 * reload.c (push_reg_equiv_alt_mem): New function.
2671 (find_reloads_toplev): Call it.
2672 (find_reloads_address, find_reloads_address_1): Likewise.
2673 (find_reloads_subreg_address): Likewise.
2675 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2677 PR rtl-optimization/28489
2678 * sched-ebb.c (begin_schedule_ready): Create basic block
2680 (advance_target_bb): Skip empty blocks.
2681 * haifa-sched.c (bb_note): Make global.
2682 * sched-int.h (bb_note): Add prototype.
2684 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2686 PR tree-optimization/27865
2687 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2689 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2690 fold_used_pointer, pointer_used_p): New functions.
2691 (analyze_scalar_evolution_1): Use fold_used_pointer.
2692 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2693 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2696 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2699 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2700 or the INTEGER_CST. Fail on a CALL_EXPR.
2701 (fold_offsetof): Pass new argument to fold_offsetof_1.
2702 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2703 operand into an INDIRECT_REF.
2704 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2706 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2708 PR gcov/profile/26570
2709 * value-prof.c (static_values): Removed.
2710 (tree_find_values_to_profile): Do not set static_values.
2711 (find_values_to_profile): Do not free static_values.
2712 * profile.c (instrument_values): Do not free the values.
2713 (branch_prob): Free the values.
2715 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2717 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2719 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2722 * c-typeck.c (build_component_ref): Combine qualifiers of
2723 structure or union and field.
2725 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2727 PR rtl-optimization/28071
2728 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2729 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2730 * tree-into-ssa.c (struct dom_dfsnum): New.
2731 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2733 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2734 compute_global_livein.
2735 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2736 in phi nodes in the correct blocks.
2738 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2740 PR tree-optimization/28364
2741 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2743 (fold_affine_expr): New function.
2744 (may_eliminate_iv): Use fold_affine_expr.
2746 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2749 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2752 2006-08-16 Mike Stump <mrs@apple.com>
2754 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2755 * doc/cppopts.texi (-MD): Likewise.
2757 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2760 * c-common.c (handle_weak_attribute): Ignore and warn if
2761 not a FUNCTION_ or VAR_DECL.
2763 2006-07-15 Mike Stump <mrs@apple.com>
2766 * c-parser.c (c_parser_typeof_specifier): Don't use
2767 c_finish_expr_stmt, open code desired semantics instead.
2769 2006-08-15 Nick Clifton <nickc@redhat.com>
2771 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2772 fragment to tmake_file only if threads are enabled.
2773 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2774 * config/i386/t-gthr-win32: New file. ... here.
2776 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2779 * c-parser.c (c_parser_compound_statement_nostart): Reset
2780 parser->error after each statement.
2782 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2785 * omp-low.c (lower_omp_parallel): Convert t to
2786 receiver_decl's type.
2787 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2788 source before comparison.
2791 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2792 to itype in assignment to oldival2.
2794 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2798 * c-typeck.c (build_compound_expr): If the second expression
2799 is an error mark, then just return an error mark instead of
2800 creating a COMPOUND_EXPR.
2802 2006-07-14 Mike Stump <mrs@apple.com>
2804 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2806 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2808 * c-decl.c, var-tracking.c: Fix comment typos.
2810 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2812 PR rtl-optimization/28634
2813 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2814 for floating-point modes unless flag_unsafe_math_optimizations.
2816 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2817 Andrew Pinski <pinskia@physics.uc.edu>
2820 * tree.c (build_array_type): Unify array types with
2821 unspecified index_type.
2822 * c-decl.c (grokdeclarator): Make sure we do not modify a
2823 unified incomplete array type.
2824 * c-typeck.c (store_init_value): Create distinct type before
2825 filling in the index type in an initializer from a compound
2828 * c-decl.c (grokdeclarator): Remove code where we copy the
2831 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2833 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2834 into account for TODO_dump_cgraph.
2835 (TODO_update_ssa_no_phi): Likewise.
2836 (TODO_update_ssa_full_phi): Likewise.
2837 (TODO_update_ssa_only_virtuals): Likewise.
2838 (TODO_remove_unused_locals): Likewise.
2839 (TODO_set_props): Likewise.
2840 (TODO_update_stmt_usage): Likewise.
2842 2006-08-13 Dirk Mueller <dmueller@suse.de>
2844 * c-common.c (strict_aliasing_warning): Fix formatting.
2846 2006-08-13 Matthias Klose <doko@debian.org>
2848 * doc/invoke.texi: Fix spelling errors.
2850 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2852 PR rtl-optimization/23454
2853 * reorg.c (relax_delay_slots): Update comment.
2855 2006-08-11 Richard Guenther <rguenther@suse.de>
2858 * simplify-rtx.c (simplify_const_relational_operation):
2859 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2862 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2864 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2865 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2867 2006-08-10 Paul Brook <paul@codesourcery.com>
2869 * final.c (final_scan_insn): Clear current_insn_predicate before
2870 outputting inline asm.
2872 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2874 PR tree-optimization/26197
2875 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2876 get_ref_base_and_extent and overlap_subvar to add only relevant
2877 subvars as may-aliases.
2878 (add_may_alias_for_new_tag): New function, factored out of
2880 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2881 with additional argument.
2882 * tree-flow.h (new_type_alias): Takes additional argument.
2884 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2886 * gcov.c (no_data_file): New flag.
2887 (read_count_file): Set it if data file not present. Assume counts
2889 (output_lines): Don't name the data file, if there wasn't one.
2891 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2893 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2894 (rs6000_generate_compare): Tweak comments.
2895 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2897 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2899 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2900 (var_debug_decl): New function.
2901 (var_reg_set): Follow debug decl link. Add location even if
2902 reg is already known to hold some other variable.
2903 (var_mem_set): Follow debug decl link.
2904 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2905 decl link. Delete other known locations of the variable part
2907 (var_reg_delete, var_mem_delete): Delete other known locations
2908 of the variable part if requested.
2909 (same_variable_part_p): New function.
2910 (add_stores): Select MO_COPY when appropriate.
2911 (vt_initialize): Handle it.
2912 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2913 known locations for MO_SET and MO_CLOBBER.
2914 (find_variable_location_part): New function.
2915 (set_variable_part, delete_variable_part): Use it.
2916 (clobber_variable_part): New function.
2917 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2920 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2922 PR tree-optimization/26969
2923 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2924 with an empty list of PHIs.
2926 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2930 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2933 2006-08-06 Andreas Schwab <schwab@suse.de>
2935 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2936 string. Whitespace and comment fixup.
2938 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2941 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2945 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2948 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2950 2006-08-04 Jan Hubicka <jh@suse.cz>
2954 * reload.c (push_reload): Patch out the mismatching instruction;
2956 (find_reload): Bail out if the instruction was patched out.
2958 2006-08-04 Jan Hubicka <jh@suse.cz>
2960 PR tree-optimization/24888
2961 * tree-inline.c (expand_call_inline): Do not re-record variables.
2962 (declare_inline_vars): Add variable to unexpanded_var_list.
2964 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2965 Roger Sayle <roger@eyesopen.com>
2967 PR rtl-optimization/26244
2968 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2969 inner_const are negative or greater than or equal to the bitsize of
2970 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2971 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2972 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2973 CONST0_RTX (mode) when the new shift count is greater than or equal to
2974 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2977 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2979 * tree-cfg.c: Fix a comment typo.
2981 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2984 * varasm.c (output_constant): Give the front end another chance to
2985 expand constants, after stripping NOPs.
2987 2006-08-03 Jan Hubicka <jh@suse.cz>
2989 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2992 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2994 PR tree-optimization/27770
2995 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2996 declaration removed (moved to tree-flow.h).
2997 (vect_can_force_dr_alignment_p): Likewise.
2998 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2999 (moved from tree-vectorizer.h).
3000 (vect_can_force_dr_alignment_p): Likewise.
3001 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3002 from outside the vectorizer - in particular from cgraph stage.
3003 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3004 the alignment of global arrays when -fsection-anchors is enabled.
3005 * cgraphunit.c (cgraph_increase_alignment): New function.
3006 (cgraph_optimize): Call cgraph_increase_alignment.
3008 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3011 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3012 not reload a SPE symbol_ref into a lo_sum address.
3014 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3017 * dwarf2out.c (prune_unused_types_prune): Move call to
3018 prune_unused_types_update_strings to cover the parent DIE also.
3020 2006-08-02 Jan Hubicka <jh@suse.cz>
3022 PR gcov/profile/28480
3023 * tree-cfg.c (change_bb_for_stmt): New function.
3024 (tree_merge_blocks, tree_split_blocks): Use it.
3026 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3032 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3033 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3034 (cgraph_optimize): Likewise.
3036 2006-08-01 Stuart Hastings <stuart@apple.com>
3038 * rtl.h (UINTVAL) New.
3039 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3040 * testsuite/gcc.dg/20060801-1.c: New.
3042 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3045 * c-typeck.c (build_external_type): Mark used enum types.
3046 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3048 (gen_subprogram_die): Whitespace fix.
3050 2006-08-01 Jan Hubicka <jh@suse.cz>
3052 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3053 bitmap when not needed.
3054 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3057 2006-08-01 Dirk Mueller <dmueller@suse.de>
3059 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3061 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3063 * Makefile.in: Revert part of previous patch:
3064 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3067 2006-07-30 Eric Christopher <echristo@apple.com>
3070 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3071 (PowerPC Variable Attributes): New section.
3073 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3075 PR target/28126 (partial fix)
3076 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3078 2006-07-28 Jan Hubicka <jh@suse.cz>
3080 PR rtl-optimization/28071
3081 * cfgrtl.c (rtl_delete_block): Free regsets.
3082 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3084 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3086 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3087 and variables used in dependencies.
3089 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3091 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3092 %fs for -mcmodel=kernel.
3093 (stack_tls_protect_test_di): Likewise.
3095 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3097 * Makefile.in: Use mkinstalldirs.
3099 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3102 * opts-common.c (prune_options): Skip joined switches.
3104 2006-07-27 Jan Hubicka <jh@suse.cz>
3106 PR rtl-optimization/28071
3107 * cselib.c (cselib_process_insn): Don't remove useless values too
3108 often for very large hashtables.
3110 2006-07-27 Jan Hubicka <jh@suse.cz>
3112 PR rtl-optimization/28071
3113 * global.c (greg_obstack): New obstack.
3114 (allocate_bb_info): Use it.
3115 (free_bb_info): Likewise.
3116 (modify_reg_pav): Likewise.
3118 2006-07-27 Roger Sayle <roger@eyesopen.com>
3120 * builtins.c (fold_fixed_mathfn): When long and long long are the
3121 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3122 functions to their lceil*, lfloor*, lround* and lrint* forms.
3124 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3127 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3129 (rev_branch_insn): Likewise.
3131 2006-07-27 Jan Hubicka <jh@suse.cz>
3133 PR rtl-optimization/28071
3134 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3135 (reg_set_in_bb, max_reg_computed): New static variables.
3136 (regmove_optimize): Free the new array.
3137 (fixup_match_1): Update call of reg_is_remote_constant_p.
3139 2006-07-26 Jan Hubicka <jh@suse.cz>
3141 PR tree-optimization/27882
3142 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3144 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3146 (cgraph_analyze_compilation_unit): Likewise.
3147 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3148 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3149 (cgraph_early_inlinine): Make order garbage collected.
3150 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3152 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3154 * dbxout.c (output_types_sort): Add a comment.
3155 (output_used_types): Free the VEC.
3157 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3159 * function.c (reorder_fix_fragments): Delete.
3160 (reorder_blocks): Don't call it.
3161 (reorder_blocks_1): Put all subblocks under the origin block.
3163 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3165 PR rtl-optimization/27907
3166 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3169 2006-07-25 Roger Sayle <roger@eyesopen.com>
3172 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3173 bar(x) check that bar's result type can represent all the values of T.
3175 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3177 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3179 2006-07-25 Nick Clifton <nickc@redhat.com>
3181 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3182 size_lookup[] array.
3183 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3184 (ggc_pch_count_object): Likewise.
3185 (ggc_pch_alloc_object): Likewise.
3186 (ggc_pch_write_object): Likewise.
3187 (init_ggc): Do not attempt to initialize entries in the
3188 size_lookup[] array for objects whose size is greater than than
3189 the length of the array.
3191 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3193 * dbxout.c (output_used_types_helper): Push queued types
3195 (output_types_sort): New.
3196 (output_used_types): Collect used types on a VEC and sort them
3199 2006-07-24 Richard Guenther <rguenther@suse.de>
3202 * cgraph.c (cgraph_remove_node): Do not check if dumps
3204 * cgraphunit.c (cgraph_optimize): Likewise.
3206 2006-07-24 Jan Hubicka <jh@suse.cz>
3208 PR rtl-optimization/28071
3209 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3210 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3211 splitting before first stmt.
3213 2006-07-24 Jan Hubicka <jh@suse.cz>
3215 PR rtl-optimization/28071
3216 * ipa-inline.c (update_caller_keys): Remove edges that
3217 are no longer inline candidates.
3219 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3222 * dbxout.c (output_used_types_helper, output_used_types): New.
3223 (dbxout_symbol): Call output_used_types.
3225 2006-07-23 Jan Hubicka <jh@suse.cz>
3229 * cgraph.c (cgraph_varpool_nodes): Export.
3230 (decide_is_variable_needed): Ignored "used" attribute in
3231 unit-at-a-time mode.
3232 * cgraph.h (cgraph_varpool_nodes): Declare.
3233 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3234 unit-at-a-time mode.
3236 2006-07-23 Roger Sayle <roger@eyesopen.com>
3239 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3240 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3241 the __gthrw form of thr_keycreate.
3242 (__gthread_key_delete): Silence the unused argument warning.
3244 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3247 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3248 Cache the last found '\0' marker to avoid quadratic behavior.
3250 2006-07-23 Jan Hubicka <jh@suse.cz>
3252 * i386.md (subsi_3_zext): Fix output template.
3254 2006-07-21 Mike Stump <mrs@apple.com>
3256 * doc/invoke.texi (C++ Dialect Options): Note that
3257 -fvisibility-inlines-hidden doesn't affect explicitly
3258 instantiationed inline methods.
3260 2006-07-20 Roger Sayle <roger@eyesopen.com>
3262 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3263 if the target assembler is GNU binutils' gas.
3264 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3265 whether to pass GNU gas or native as command line options.
3267 2006-07-20 Jason Merrill <jason@redhat.com>
3269 * tree.c (remove_attribute): New fn.
3270 * tree.h: Declare it.
3272 2006-07-20 Paul Brook <paul@codesourcery.com>
3275 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3276 they are invalidated by this instruction.
3278 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3281 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3283 2006-07-20 Eric Christopher <echristo@apple.com>
3286 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3288 2006-07-19 Eric Christopher <echristo@apple.com>
3290 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3291 Rewrite dependencies for libgcc_s.1.dylib.
3293 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3295 * except.c (duplicate_eh_regions_1): Clear next_peer.
3297 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3299 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3300 -mlongcall does not guarantee all calls will be long.
3301 * doc/extend.texi (long_call/short_call): Document that longcall
3302 does not guarantee a long call will be used.
3303 (longcall/shortcall): Likewise.
3305 2006-07-18 Roger Sayle <roger@eyesopen.com>
3308 * expmed.c (expand_shift): Additionally check that the shift_cost
3309 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3310 before implementing a LSHIFT_EXPR as a sequence of additions.
3311 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3312 middle-end that DImode shifts need to be synthesized by expand.
3314 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3317 * tree-ssa-operands.c (access_can_touch_variable): Update
3319 Return true if ALIAS is .GLOBAL_VAR.
3321 2006-07-18 David Daney <ddaney@avtrex.com>
3323 * gcc.c (display_help): Fix typo in help text.
3325 2006-07-18 Olivier Hainque <hainque@adacore.com>
3327 * tree.h (categorize_ctor_elements): Adjust prototype and add
3328 descriptive comment, both in accordance with the interface change
3330 * varasm.c (constructor_static_from_elts_p): New function.
3331 Whether a constructor node is a valid static constant initializer
3332 if all its elements are.
3333 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3334 * output.h: Declare it.
3335 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3336 is a valid constant initializer instead of computing the number of
3337 non-constant elements. Use constructor_static_from_elts_p for this
3338 purpose. Replace the head comment with an indication that this is a
3339 helper for categorize_ctor_elements.
3340 (categorize_ctor_elements): Same interface change as for the _1
3341 helper. Former head comment from this helper moved here, adjusted to
3342 account for the interface changes.
3343 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3344 (all_zeros_p): Likewise.
3345 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3346 static versions of the constructor from the categorize_ctor_elements
3347 return value instead of the formerly computed number of non-constant
3350 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3352 * configure: Regenerate.
3353 * Makefile.in (build_libsubdir): New configure substitution
3354 (build_libobjdir): New variable.
3355 (BUILD_LIBIBERTY): Use it.
3357 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3360 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3362 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3365 * c-common.c (handle_weakref_attribute): Ignore attribute in
3366 the same conditions the alias attribute is ignored.
3368 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3370 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3371 (dbxout_begin_prologue): Increment scope_labelno.
3373 2006-07-17 Richard Henderson <rth@redhat.com>
3376 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3379 2006-07-17 Roger Sayle <roger@eyesopen.com>
3380 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3382 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3383 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3384 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3385 functions such as sbrk, write, etc.. Add function prototypes.
3386 Convert function declarations from K&R to ISO C. Cast pointers
3387 to "long" and "unsigned long" instead of "int" and "unsigned int".
3388 Convert tokens following #endif into comments.
3390 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3392 * invoke.texi: Remove mention of f77; Reformat table for
3393 inline parameter options correctly; mention that -malign-double
3394 is default on x86-64 targets.
3396 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3398 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3399 (convert_affine_scev, chrec_convert_aggressive): Use
3400 avoid_arithmetics_in_type_p. Do not check for the subtypes
3403 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3406 * optabs.c (expand_doubleword_shift): Wrap the call to
3407 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3409 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3412 * optabs.c (expand_binop): Pass next_methods rather than methods
3413 to expand_doubleword_shift.
3415 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3418 * tree.h (dump_addr): Declare.
3419 * print-tree.c (dump_addr): New function.
3420 (print_node_brief, print_node): Use it.
3421 * print-rtl.c (print_rtx): Likewise.
3422 * common.opt (-fdump-noaddr): New option.
3423 * doc/invoke.texi (-fdump-noaddr): Document.
3424 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3425 (ve_info_hash): Likewise.
3427 2006-07-13 Andrew Haley <aph@redhat.com>
3429 PR tree-optimization/19505
3430 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3431 edge leaving this block, make sure that the destination of this
3432 block has only one predecessor.
3434 2006-07-17 Richard Guenther <rguenther@suse.de>
3436 PR tree-optimization/28238
3437 * tree-inline.c (copy_bb): Check if we produced valid
3438 gimple copying and substituting a stmt. If not, gimplify
3441 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3443 * optabs.c (maybe_encapsulate_block): New function extracted from...
3444 (emit_libcall_block): ...here. Invoke it on the block of insns to
3445 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3446 (emit_no_conflict_block): Likewise.
3448 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3450 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3452 2006-07-15 Roger Sayle <roger@eyesopen.com>
3454 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3455 a new NOP_EXPR case of the switch statement.
3457 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3460 * stor-layout.c (place_field): Take the bit field with
3461 an excessive size into account in the ms-bitfiled case.
3464 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3465 the previous bit field.
3467 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3470 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3472 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3474 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3475 signal frames correctly even when the signal was installed with
3478 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3480 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3481 (dbxout_function_end): Use local label LFBB. Remove hook
3483 (dbxout_source_line): Use local label LFBB.
3484 (dbxout_block): Likewise.
3485 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3486 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3487 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3488 and DBX_OUTPUT_NFUN.
3490 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3492 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3494 2006-07-13 Jan Hubicka <jh@suse.cz>
3496 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3498 * output.h (align_variable): Declare.
3499 * varasm.c (align_variable): Export.
3500 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3501 when basic block changed.
3503 2006-07-13 Nick Clifton <nickc@redhat.com>
3505 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3506 walking the LOG_LINKS chain.
3508 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3510 * doc/invoke.texi (C++ Dialect Options): Explain difference
3511 between -fvisibility-inlines-hidden and setting hidden
3512 visibility explicitly.
3514 2006-07-12 Eric Christopher <echristo@apple.com>
3516 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3517 (stmp-lipo): Depend on libgcc.a.
3519 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3521 * tree.c: Fix a comment typo.
3523 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3525 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3527 (umulhisi3_r): Likewise.
3529 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3532 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3533 x < 19, vs wchar_t support.
3535 2006-07-12 Nick Clifton <nickc@redhat.com>
3537 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3538 instead of -isa=sh4.
3540 2006-07-12 Mike Stump <mrs@apple.com>
3542 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3544 2006-07-10 Eric Christopher <echristo@apple.com>
3546 * config/t-slibgcc-darwin: Rewrite.
3548 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3551 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3554 2006-07-08 Matthias Klose <doko@debian.org>
3556 * doc/sourcebuild.texi: Fix typo.
3558 2006-07-07 Mike Stump <mrs@apple.com>
3560 * toplev.c (process_options): Don't give -ffunction-sections may
3561 affect debugging warning for Mach-O.
3563 2006-07-07 James E Wilson <wilson@specifix.com>
3565 * config/mips/mips.md (cpu): Add sb1a.
3566 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3567 addition to sb1. Adjust comments to clarify SB-1A differences from
3569 (ir_sb1a_load): New. Modify bypasses to use it.
3570 (ir_sb1a_simple_alu): Likewise.
3571 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3572 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3573 (mips_issue_rate): Add PROCESSOR_SB1A.
3574 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3575 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3576 (TARGET_SB1): Add PROCESSOR_SB1A check.
3577 (TUNE_SB1): Likewise.
3579 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3580 * config/mips/mips.c (mips_store_data_bypass_p): New.
3581 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3582 store_data_bypass_p.
3584 2006-07-08 Paul Brook <paul@codesourcery.com>
3587 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3589 2006-07-07 Richard Guenther <rguenther@suse.de>
3592 * tree.h (build_one_cst): Declare.
3593 * tree.c (build_one_cst): New function.
3594 * tree-ssa-math-opts.c (get_constant_one): Remove.
3595 (insert_reciprocals): Use build_one_cst.
3596 * fold-const.c (fold_plusminus_mult): Likewise.
3598 2006-07-07 Roger Sayle <roger@eyesopen.com>
3600 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3601 * cfgloopanal.c (dump_graph): Likewise.
3602 * dojump.c (discard_pending_stack_adjust): Likewise.
3603 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3605 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3606 * function.c (finalize_block_changes): Likewise.
3607 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3608 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3609 * rtl.c (dump_rtx_statistics): Likewise.
3610 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3612 * varray.c (dump_varray_statistics): Likewise.
3613 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3614 decode_decimal64, encode_decimal128, decode_decimal128,
3615 decimal_real_to_decimal): Likewise.
3617 2006-07-07 Richard Guenther <rguenther@suse.de>
3619 PR tree-optimization/28187
3620 * tree-vrp.c (vrp_operand_equal_p): New function.
3621 (vrp_bitmap_equal_p): Likewise.
3622 (update_value_range): Use them to compare old and new
3625 2006-07-06 Roger Sayle <roger@eyesopen.com>
3627 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3628 a default case to switch statement to silence compiler warnings.
3630 2006-07-06 Roger Sayle <roger@eyesopen.com>
3633 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3634 the configured assembler supports the x87's ffreep mnemonic.
3635 * configure: Regenerate.
3636 * config.in: Regenerate.
3638 * config/i386/i386.c (output_387_ffreep): New function.
3639 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3640 (output_387_reg_move): Likewise.
3642 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3644 Port to hosts whose 'sort' and 'tail' implementations
3645 treat operands with leading '+' as file names, as POSIX
3646 has required since 2001. However, make sure the code still
3647 works on pre-POSIX hosts.
3648 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3649 which says you should use "tail -c +N" rather than "tail +Nc".
3650 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3652 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3654 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3657 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3660 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3661 PRE_{INC,DEC} of TFmode.
3663 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3664 Alan Modra <amodra@bigpond.net.au>
3667 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3670 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3673 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3674 Remove duplicate gtu.
3676 2006-07-05 Jason Merrill <jason@redhat.com>
3680 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3681 * c-common.c (handle_packed_attribute): So don't copy it here.
3682 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3684 2006-07-05 Mike Stump <mrs@apple.com>
3686 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3688 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3691 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3693 2006-07-05 Richard Guenther <rguenther@suse.de>
3696 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3697 TARGET_SSE2 targets if using SSE math.
3698 (*absdf2_1): Likewise.
3700 2006-07-05 Richard Guenther <rguenther@suse.de>
3702 PR tree-optimization/28162
3703 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3704 make sure to convert the operands to the correct type.
3706 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3708 PR tree-optimization/28218
3710 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3711 to calculate and free the dominator information.
3713 2006-07-04 Peter O'Gorman <peter@pogma.com>
3715 * mklibgcc.in: chmod 644 before ranlib during install.
3717 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3718 J"orn Rennecke <joern.rennecke@st.com>
3720 * configure.ac (.eh_frame data check): Use diff -b.
3722 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3725 * Makefile.in (BUILD_RTL): Add build/vec.o.
3726 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3727 (build/genextract): Delete.
3728 (build/genautomata): Likewise.
3730 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3733 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3734 128-bit IBM long doubles for ABI_V4.
3736 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3738 * tree.c (range_in_array_bounds_p): New predicate.
3739 * tree.h (range_in_array_bounds_p): Declare it.
3740 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3741 return a less conservative answer.
3742 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3743 and flag 'is_group'.
3744 (IS_ELEMENT_FOR_GROUP): New macro.
3745 (FOR_EACH_ACTUAL_CHILD): Likewise.
3746 (next_child_for_group): New helper function.
3747 (can_completely_scalarize_p): Take into account groups.
3748 (sra_hash_tree): Handle RANGE_EXPR.
3749 (sra_elt_eq): Likewise.
3750 (lookup_element): Be prepared for handling groups.
3751 (is_valid_const_index): Delete.
3752 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3753 instead of is_valid_const_index.
3754 <ARRAY_RANGE_REF>: New case.
3755 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3756 is_valid_const_index.
3757 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3758 (scan_dump): Dump info for groups too.
3759 (decide_instantiation_1): Likewise.
3760 (decide_block_copy): Assert that the element is not a group.
3761 Propagate decision to groups.
3762 (generate_one_element_ref): Handle RANGE_EXPR.
3763 (mark_no_warning): Iterate over actual childs.
3764 (generate_copy_inout): Likewise.
3765 (generate_element_copy): Likewise.
3766 (generate_element_zero): Likewise.
3767 (generate_element_init_1): Likewise.
3768 (dump_sra_elt_name): Handle RANGE_EXPR.
3770 2006-07-03 Roger Sayle <roger@eyesopen.com>
3772 PR tree-optimization/26251
3773 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3774 (thread_block): When optimizing for size refuse to thread jumps
3775 that would require duplication of blocks other than redirection
3778 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3780 * configure.ac: Fix thinko in previous check-in.
3781 * configure: Regenerate.
3783 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3786 * configure.ac (for lang...): Simplify nesting of conditionals.
3787 Test subdir_requires for non-enabled languages. Move processing
3788 of lang_opt_files and lang_tree_fiels below that test.
3789 * configure: Regenerate.
3790 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3792 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3794 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3796 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3798 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3801 2006-06-29 Jason Merrill <jason@redhat.com>
3808 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3809 * c-common.c (c_determine_visibility): Handle it here.
3810 * c-decl.c (finish_decl): Call c_determine_visibility for
3812 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3814 * varasm.c (default_assemble_visibility): Likewise.
3815 * c-common.c (handle_visibility_attribute): Complain about trying
3816 to give visibility to an already defined class, or trying to change
3817 declared visibility. Always attach the attribute.
3822 * attribs.c (decl_attributes): Ignore type-in-place attributes
3823 once the type has been defined.
3825 2006-06-29 Roger Sayle <roger@eyesopen.com>
3828 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3829 to indicate the cpplib has issued an error message for us.
3831 2006-06-29 Asher Langton <langton2@llnl.gov>
3834 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3835 insert a label at the end of an function under Mach-O.
3837 2006-06-29 Eric Christopher <echristo@apple.com>
3838 Evan Cheng <evan.cheng@apple.com>
3840 * predicates.md (vector_all_ones_operand): New.
3841 (nonimmediate_or_sse_const_operand): Ditto.
3842 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3843 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3844 (standard_sse_mode_p): Ditto.
3845 (standard_sse_constant_p): Add case for -1 vector.
3846 (ix86_expand_vector_move): Try to use.
3847 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3848 Call standard_sse_constant_opcode.
3849 (*movv4sf_internal): Ditto.
3850 (*movv2df_internal): Ditto.
3852 2006-06-29 Roger Sayle <roger@eyesopen.com>
3854 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3855 of XEXP to extract the operands of a MATCH_CODE rtx.
3857 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3859 * tree.c (tree_size): Do not waste tail padding in
3860 struct tree_string and make the size be the same as
3861 build_string will generate.
3863 2006-06-28 Jason Merrill <jason@redhat.com>
3866 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3867 may_aliases already in the tag's annotations to the bitmap.
3869 2006-06-28 Roger Sayle <roger@eyesopen.com>
3871 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3873 2006-06-28 Roger Sayle <roger@eyesopen.com>
3875 * genpreds.c (generate_switch_p): New function.
3876 (add_mode_tests): Push the new mode test down inside an AND expr
3877 if this allows the switch-suitable MATCH_CODE to be near the root.
3878 (write_match_code_switch): New function to write a MATCH_CODE as
3880 (write_predicate_stmts): New function to write a predicate RTX
3881 expression as a sequence of statements.
3882 (write_one_predicate_function): Use write_predicate_stmts.
3883 (write_tm_constrs_h): Likewise.
3885 2006-06-26 Fred Fish <fnf@specifix.com>
3887 * config/mips/t-sb1: New file.
3888 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3891 2006-06-26 DJ Delorie <dj@redhat.com>
3893 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3895 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3896 Jayant Sonar <jayants@kpitcummins.com>
3897 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3899 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3900 (subsi3, subsi3_1, subsi3_2): New.
3901 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3902 * config/m32c/mov.md (SI mov peephole): New.
3903 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3904 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3906 2006-06-26 Olivier Hainque <hainque@adacore.com>
3908 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3909 a CALL_EXPR target function declaration.
3911 2006-06-26 Richard Guenther <rguenther@suse.de>
3913 * tree.c (build_string): Do not waste tail padding in
3916 2006-06-26 Richard Guenther <rguenther@suse.de>
3918 * ggc-page.c (init_ggc): Add missing element to size_lookup
3922 2006-06-23 Richard Guenther <rguenther@suse.de>
3924 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3925 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3926 alignment requests instead. Add verification code.
3927 Add struct tree_function_decl and struct tree_binfo size to
3928 extra_order_size_table. Add missing element to size_lookup
3931 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3934 * fold-const.c (const_binop): Be prepared for self returning zero.
3935 Simplify code handling complex values.
3937 2006-06-24 Olivier Hainque <hainque@adacore.com>
3939 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3940 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3943 2006-06-24 Olivier Hainque <hainque@adacore.com>
3945 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3946 ARRAY_REF, so have the callback called for the low bound expression.
3948 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3950 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3951 * c-typeck.c (c_common_type): Disallow operations on decimal float
3952 types and other float types.
3953 * convert.c (convert_to_real): Don't ignore conversions involving
3954 decimal float types.
3956 2006-06-23 Olivier Hainque <hainque@adacore.com>
3958 * tree.c (max_int_size_in_bytes): New function, inspired from
3959 code in function.c:assign_temp.
3960 * tree.h (max_int_size_in_bytes): Declare.
3961 * function.c (assign_temp): Use it.
3962 * gimplify.c (create_tmp_var): Relax the assertions on the type
3963 properties, not mandating constant size any more.
3964 (force_constant_size): New static function.
3965 (gimple_add_tmp_var): Use it, forcing variable size to a
3966 constant upper bound if it is not constant on entry.
3968 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3971 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3972 for initialization and setting of one_only flag to ...
3973 (i386_pe_encode_section_info): ...here.
3974 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3975 Recheck that the symbol has not been defined.
3977 2006-06-23 Richard Guenther <rguenther@suse.de>
3979 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3980 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3981 alignment requests instead. Add verification code.
3982 Add struct tree_function_decl and struct tree_binfo size to
3983 extra_order_size_table. Add missing element to size_lookup
3986 2006-06-22 Roger Sayle <roger@eyesopen.com>
3987 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3990 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3991 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3993 2006-06-23 Ben Elliston <bje@au.ibm.com>
3995 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3996 negate dn -- manipulate it directly.
3998 2006-06-22 Roger Sayle <roger@eyesopen.com>
3999 Steven Bosscher <stevenb.gcc@gmail.com>
4002 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4003 generated by gen_move_insn to add REG_LABEL notes if necessary.
4005 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4007 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4008 (leaf_entry): Remove use of MIN_ESA.
4010 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4012 PR rtl-optimization/28121
4013 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4016 2006-06-21 DJ Delorie <dj@redhat.com>
4018 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4020 (mulhisi3_r): Likewise.
4022 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4025 * coverage.c (coverage_counter_alloc): Leave the index type
4027 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4030 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4032 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4033 section from the "Options for Code Generation Conventions".
4035 2006-06-21 Richard Henderson <rth@redhat.com>
4039 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4041 (global_symbolic_operand): Allow weak symbols, even if local_p.
4043 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4045 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4046 (find_interesting_uses_address): Punt if above function returns true.
4048 2006-06-21 Richard Guenther <rguenther@suse.de>
4050 * configure: Regenerated.
4052 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4054 * config/mips/mips.c (function_arg): Where one part of a
4055 complex argument is in registers and the other part in the stack,
4056 return a REG not a PARALLEL.
4058 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4060 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4061 when cross-compiling. Do not substitute libstdcxx_incdir.
4062 * configure: Regenerated.
4064 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4066 * varasm.c (mergeable_string_section): Check for embedded NULs and
4067 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4068 rather than TREE_STRING_LENGTH bytes.
4070 2006-06-21 Richard Guenther <rguenther@suse.de>
4072 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4073 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4076 2006-06-21 Richrad Guenther <rguenther@suse.de>
4078 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4079 Limit iteration over the dominators.
4081 2006-06-20 Roger Sayle <roger@eyesopen.com>
4083 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4084 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4086 2006-06-20 Richard Guenther <rguenther@suse.de>
4087 Michael Matz <matz@suse.de>
4089 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4091 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4092 * et-forest.h (et_free_pools): Prototype new function.
4093 * et-forest.c (et_free_tree_force): Free parent occurrence.
4094 (et_free_pools): New function.
4095 * dominance.c (free_dominance_info): Free et-forest alloc
4098 2006-06-20 Roger Sayle <roger@eyesopen.com>
4100 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4101 integer modes, attempt to directly construct an integer constant.
4103 * fold-const.c (native_encode_vector): Determine the size of each
4104 element from the vector type instead of the first vector element.
4106 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4107 if all of its elements/components are constant.
4108 (build_constructor_from_list): Likewise.
4110 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4112 PR tree-optimization/27331
4113 * tree-data-ref.c (free_data_ref): New function.
4114 (create_data_ref): Fail if the data reference has unknown access
4116 (free_data_refs): Use free_data_ref.
4118 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4121 * tree-inline.c (setup_one_parameter): Strip useless
4122 type conversion before adding it to the IR.
4123 (declare_return_variable): Likewise.
4125 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4128 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4130 2006-06-19 Mike Stump <mrs@apple.com>
4132 * tree.c (variably_modified_type_p): VM arguments don't make the
4135 2006-06-19 Richard Guenther <rguenther@suse.de>
4137 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4138 type conversions after folding.
4140 2006-06-19 Richard Guenther <rguenther@suse.de>
4142 * ggc-page.c (extra_order_size_tab): Add entries with
4143 size of struct function and basic_block.
4144 (size_lookup): Extend to cover sizes up to 511.
4145 (ggc_alloc_stat): Adjust user.
4146 (ggc_pch_count_object): Likewise.
4147 (ggc_pch_alloc_object): Likewise.
4148 (ggc_pch_write_object): Likewise.
4150 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4152 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4153 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4156 2006-06-19 Denis Chertykov <denisc@overta.ru>
4158 * config/avr/libgcc.S : Correct my wrong previous commit.
4160 2006-06-19 Roger Sayle <roger@eyesopen.com>
4163 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4164 have stripped a SUBREG from the shift count, so we may need to
4165 convert_to_mode back to the type's mode before calling make_tree.
4166 Use new_amount instead of amount to avoid expanding a tree twice.
4168 2006-06-19 Richard Guenther <rguenther@suse.de>
4171 * fold-const.c (operand_equal_p): Check if the argument types
4172 have the same precision before stripping NOPs.
4174 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4176 Fix PR tree-optimization/27341
4177 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4179 * tree-complex.c (pass_lower_complex): Update SMT usage.
4181 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4183 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4184 Add a new alternative to the constraint strings. Add move of
4185 operand 1 to 3 to the splitter definition.
4186 ("doloop_si_long"): Second contraint alternative removed.
4188 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4190 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4191 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4193 (AVR_HAVE_MOVW) Define.
4194 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4195 (ASM_SPEC): Add avr25.
4196 (LINK_SPEC): Add avr25.
4197 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4198 (base_arch_s): Add new member 'have_movw_lpmx'.
4199 (avr_arch_types): Init 'have_movw_lpmx'.
4200 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4201 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4202 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4203 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4204 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4206 (avr_file_start): Do not output '.arh' derective.
4207 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4208 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4209 * config/avr/avr.md (mcu_enhanced): Delete.
4210 (mcu_have_movw): Define.
4211 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4212 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4213 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4214 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4215 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4216 attiny861 and at86rf401 devices.
4218 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4220 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4223 2006-06-17 Karl Berry <karl@gnu.org>
4225 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4226 doc/gccint.texi, doc/install.texi (@dircategory): Use
4227 "Software development" instead of "Programming", following
4228 the Free Software Directory.
4230 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4232 * config/i386/i386.c (legitimate_tls_address)
4233 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4234 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4235 (*tls_dynamic_gnu2_combine_64): Likewise.
4237 2006-06-16 Richard Guenther <rguenther@suse.de>
4240 * fold-const.c (negate_expr_p): Do not introduce undefined
4241 overflow in negating INTEGER_CSTs.
4242 (fold_negate_expr): Rename from negate_expr. Revert last
4243 change for folding BIT_NOT_EXPR. Change semantics to
4244 return NULL_TREE for non-simplified negations. Do not
4245 strip type conversions and unify type handling.
4246 (negate_expr): New function, wrap around fold_negate_expr
4247 but ensure building a tree always. Strip type conversions
4248 here, fold to result type.
4249 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4251 2006-06-16 Roger Sayle <roger@eyesopen.com>
4254 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4255 that (would) return their results in stack registers.
4257 2006-06-16 Michael Matz <matz@suse.de>
4258 Richard Guenther <rguenther@suse.de>
4260 * fold-const.c (fold_truthop): Only return new tree node if
4261 we canonicalized something.
4263 2006-06-16 Richard Guenther <rguenther@suse.de>
4265 * function.h (enum function_frequency): Move declaration
4266 out of struct function.
4267 (struct function): Move bool fields and the enum to the bitfield
4268 section. Reorder elements to avoid padding. Remove unused
4269 fields left over from the RTL inliner removal.
4270 * function.c (free_after_compilation): Do not zero removed fields.
4271 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4272 (ipa-type-escape.o): Likewise.
4274 2006-06-16 Richard Guenther <rguenther@suse.de>
4276 * cgraph.h (struct cgraph_local_info): Turn bool elements
4278 (struct cgraph_node): Likewise.
4279 (struct cgraph_varpool_node): Likewise.
4281 2006-06-15 Richard Guenther <rguenther@suse.de>
4283 * fold-const.c (fold_truth_not_expr): Rename from
4284 invert_truthvalue. Give it fold_* semantics to avoid
4286 (invert_truthvalue): New function. Wrapper around
4287 fold_truth_not_expr.
4288 (optimize_minmax_comparison): Avoid creating garbage.
4289 (fold_unary): Use fold_truth_not_expr for folding
4291 (fold_ternary): Replace uses of invert_truthvalue with
4292 fold_truth_not_expr where applicable.
4293 * tree.h (fold_truth_not_expr): Prototype.
4295 2006-06-16 Richard Guenther <rguenther@suse.de>
4297 PR tree-optimization/27781
4298 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4299 * ipa-pure-const.c (target.h): Include.
4300 (analyze_function): Do not analyze functions that do not
4303 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4306 * tree-dfa.c (referenced_vars_dup_list): Remove.
4307 (find_referenced_vars): Remove assert.
4308 (referenced_var_check_and_insert): Replace dup list with assert.
4309 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4310 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4312 2006-06-15 Richard Guenther <rguenther@suse.de>
4314 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4315 extra unused identifiers if not dumping.
4316 (create_variable_info_for): Likewise.
4318 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4320 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4321 (derive_constant_upper_bound): Derive more precise upper bound in
4322 common cases. Return type changed to double_int.
4323 (record_estimate): Reflect the changed return type of
4324 derive_constant_upper_bound.
4325 * double-int.c (double_int_zext, double_int_sext): Fix.
4327 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4329 * configure.ac (CFLAGS): Get them from the toplevel or from the
4330 configure invocation.
4331 * configure: Regenerate.
4332 * Makefile.in (CFLAGS): Substitute value provided by configure.
4334 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4337 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4338 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4339 rather than calling add_stmt on it.
4340 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4342 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4345 * reload1.c (reload): Remove registers returned by update_eliminables
4346 from used_spill_regs.
4348 2006-06-13 DJ Delorie <dj@redhat.com>
4350 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4352 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4354 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4355 html__strip_dir, html__mkdir_p. Enhance install-html target.
4356 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4357 * configure: Regenerate.
4359 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4361 * fold-const.c (fold_cond_expr_with_comparison): Check for
4362 Objective-C++ as language in deciding COND_EXPR transformation.
4364 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4367 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4368 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4369 * config/sh/lib1funcs.h (SL, SL1): Define.
4370 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4371 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4372 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4373 (OBJS_Os_4_200): New variable.
4374 ($(T)libgcc-Os-4-200.a): Use it.
4375 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4376 when dividing 1 and/or by 0.
4378 2006-06-13 Roger Sayle <roger@eyesopen.com>
4380 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4381 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4382 * configure: Regenerate.
4384 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4386 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4387 for real instruction.
4389 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4392 * haifa-sched.c (check_cfg): Handle special case.
4394 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4397 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4398 Add debug_info parameter. Chain the vars to the BLOCK instead
4399 of the BIND_EXPR if debug info are requested for them.
4400 (pop_gimplify_context): Adjust for above change.
4401 (gimple_add_tmp_var): Likewise.
4402 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4404 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4405 (convert_local_reference): Likewise.
4406 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4407 (finalize_nesting_tree_1): Request that debug info be emitted
4408 for debug_var_chain.
4410 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4412 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4413 for PR target/27863.
4415 2006-06-13 Richard Guenther <rguenther@suse.de>
4418 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4420 2006-06-13 Richard Guenther <rguenther@suse.de>
4422 PR tree-optimization/27830
4423 * tree-inline.c (copy_body_r): For copying the operand
4424 of an ADDR_EXPR make sure to fold &* afterwards.
4426 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4428 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4429 lvalues in the fb_none case with side-effects.
4431 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4433 * tree-flow.h: Remove the prototype for
4434 compute_phi_arg_on_exit.
4435 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4436 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4439 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4441 * builtins.c (expand_builtin_return_addr): Only use
4442 frame_pointer_rtx when count == 0 and we are expanding
4443 __builtin_return_address.
4445 2006-06-12 Fred Fish <fnf@specifix.com>
4447 * config/mips/mips.c (mips_file_start): Create special section
4448 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4450 2006-06-11 Eric Christopher <echristo@apple.com>
4453 * stor-layout.c (place_field): Remove check for
4454 remaining_in_alignment when aligning at the end of a run.
4456 2006-06-11 Eric Christopher <echristo@apple.com>
4459 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4462 2006-06-11 Roger Sayle <roger@eyesopen.com>
4465 Revert incorrect fix for PR target/27158
4466 2006-05-08 Roger Sayle <roger@eyesopen.com>
4467 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4468 of a reg_equiv_constant if the result is a legitimate constant.
4470 2006-06-11 Roger Sayle <roger@eyesopen.com>
4473 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4474 extract a CONST_VECTOR element and interpret it as an integer.
4475 (vspltis_constant): Use const_vector_elt_as_int instead of the
4476 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4477 * config/rs6000/predicates.md (easy_vector_const): Consider
4478 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4480 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4483 * stor-layout.c (update_alignment_for_field): Don't add extra
4484 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4487 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4489 * config/mips/t-rtems: Add EL/EB multilib variants.
4491 2006-06-09 Mike Stump <mrs@apple.com>
4493 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4495 2006-06-09 David Daney <ddaney@avtrex.com>
4497 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4499 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4501 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4503 2006-06-09 Richard Guenther <rguenther@suse.de>
4505 PR tree-optimization/26998
4506 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4507 of signed types, only TYPE_MIN_VALUE is special, but for both,
4508 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4509 in this case, as is -fwrapv.
4511 2006-06-08 Mike Stump <mrs@apple.com>
4514 * config/darwin.c (darwin_asm_output_anchor): Disable
4515 -fsection-anchors on darwin for now.
4516 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4517 * rs6000/rs6000.c (optimization_options): Likewise.
4519 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4522 * config/i386/i386.c (classify_argument): Skip fields with invalid
4525 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4527 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4528 (cse_insn): Likewise for the stack_pointer_rtx.
4530 2006-06-08 Roger Sayle <roger@eyesopen.com>
4532 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4533 conditions from floating point comparisons.
4535 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4538 * expmed.c (struct alg_hash_entry): Fix type of field T
4539 to match synth_mult argument.
4540 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4542 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4545 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4548 2006-06-08 Richard Guenther <rguenther@suse.de>
4551 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4552 only, if overflow is defined and not trapping.
4553 (negate_expr): Likewise.
4555 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4557 PR tree-optimization/27872
4558 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4559 flag on the new exit edge of the unrolled loop.
4561 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4563 PR rtl-optimization/26449
4564 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4566 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4569 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4570 referenced_variables with matching DECL_UID's.
4571 (find_referenced_vars): Make sure duplicate list is empty to start.
4572 (referenced_var_p): Remove.
4573 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4574 Check if var is in the list, and add if needed. Update the duplicate
4575 list if a different var is in the list with the same DECL_UID.
4576 (add_referenced_var): Call routine to check and insert.
4577 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4578 * tree-flow.h (referenced_vars_dup_list): External declaration.
4580 2006-06-07 Fred Fish <fnf@specifix.com>
4582 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4585 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4588 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4589 the imaginary and real parts of a clobbered register.
4590 Emit insn to set the imaginary part.
4592 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4594 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4595 in lieu of unwind-dw2-fde.c.
4597 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4599 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4601 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4604 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4605 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4606 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4607 V4SImode temporaries and operations instead.
4609 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4611 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4614 2006-06-06 Mike Stump <mrs@apple.com>
4616 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4617 installing during build.
4619 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4621 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4623 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4624 * config/ia64/ia64.c (params.h): New header.
4625 (ia64_optimization_options): New function to adjust parameters.
4626 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4627 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4628 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4630 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4632 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4634 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4637 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4639 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4640 Victor Kaplansky <victork@il.ibm.com>
4642 PR tree-optimization/26360
4643 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4646 2006-06-04 Roger Sayle <roger@eyesopen.com>
4647 Andrew Pinski <pinskia@physics.uc.edu>
4650 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4651 for LABEL_DECL before calling DECL_WEAK.
4654 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4655 LABEL_DECL and PARM_DECL.
4657 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4661 * c-decl.c (grokdeclarator): Disallow variably modified types at
4662 file scope. Avoid marking shared array type of constant size as
4665 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4668 * c-common.c (fold_offsetof_1): Handle static members.
4670 2006-06-04 Eric Christopher <echristo@apple.com>
4672 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4673 (debug_rli): Output value for remaining_in_alignment.
4674 (update_alignment_for_field): Unconditionalize
4675 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4676 extra alignment code.
4677 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4678 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4679 * tree.h (record_layout_info_s): Remove prev_packed.
4680 * doc/extend.texi (ms_struct): Add documentation of format.
4682 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4684 * tree.h: Declare folding_initializer.
4685 * builtins.c (fold_builtin_constant_p): Give definite answer
4686 if folding inside an initializer.
4687 * fold-const.c: Define folding_initializer.
4688 (START_FOLD_INIT): Save and then set folding_initializer.
4689 (END_FOLD_INIT): Restore folding_initializer.
4691 2006-06-04 Richard Guenther <rguenther@suse.de>
4693 PR tree-optimization/27039
4694 * fold-const.c (fold_comparison): Handle pointer comparison
4695 again for all comparison codes. Compare offsets in signed
4697 (fold_binary): Move code from here.
4699 2006-06-03 Roger Sayle <roger@eyesopen.com>
4702 * config/i386/i386.c (construct_container): Split static issued_error
4703 flag into issued_sse_arg_error, issued_sse_ret_error and
4704 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4705 requires the use of x87 registers and the user explicitly
4706 specified the -mno-80387 command line option.
4708 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4710 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4711 HAVE_DECL_SIGALTSTACK.
4713 (segv_handler): Use MC_FLD.
4714 * configure.ac: Check for a sigaltstack declaration.
4715 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4716 * configure: Regenerate.
4717 * config.in: Regenerate.
4719 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4722 * Makefile.in (stmp-fixinc): Fix typo.
4724 2006-06-02 Roger Sayle <roger@eyesopen.com>
4726 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4727 are type correct. Clean-up.
4728 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4729 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4731 2006-06-01 DJ Delorie <dj@redhat.com>
4733 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4734 shift, as we've disabled the "switch" insn that needs it.
4736 2006-06-01 Per Bothner <bothner@bothner.com>
4738 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4739 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4740 * c-ppoutput.c (cb_define): Don't increment line 0.
4742 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4744 * doc/invoke.texi: Add cpu_type power6.
4745 * config.gcc: Add cpu_type power6.
4746 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4747 to power5+ with Altivec.
4748 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4749 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4751 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4753 * config/avr/avr.h (SET_ASM_OP): Define.
4755 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4757 * config/bfin/bfin.c: Fix comment typos.
4759 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4762 * doc/install.texi: Document --enable-bootstrap and
4763 --disable-bootstrap.
4765 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4767 * doc/install.texi: Document that InfoZIP can replace jar.
4769 2006-05-31 Roger Sayle <roger@eyesopen.com>
4771 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4772 isn't available, directly generate the simpler x87 patterns without
4773 the (use (const_int 0)).
4774 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4775 implementation isn't available.
4776 (*negdf2_1): Likewise.
4777 (*negxf2_1): XF mode negation is always done using the x87.
4778 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4780 2006-05-31 Roger Sayle <roger@eyesopen.com>
4782 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4783 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4785 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4787 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4789 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4790 * config/bfin/bfin.c (basic-block.h): Include.
4791 (struct machine_function): New.
4792 (bfin_init_machine_status): New.
4793 (override_options): Initialize init_machine_status.
4794 (bfin_hardware_loop): New.
4795 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4796 (DEF_VEC_P (loop_info)): New.
4797 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4798 (struct loop_info): New.
4799 (loop_info): New typedef.
4800 (struct loop_work): New.
4801 (loop_work): New typedef.
4802 (DEF_VEC_O (loop_work)): New.
4803 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4804 (bfin_dump_loops): New.
4805 (bfin_bb_in_loop): New.
4806 (bfin_scan_loop): New.
4807 (bfin_optimize_loop): New.
4808 (bfin_reorg_loops): New.
4809 (bfin_reorg): Use bfin_reorg_loops.
4810 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4812 (I_REGNO_P): Simplify.
4813 (DP_REGNO_P, DPREG_P): New macros.
4814 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4815 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4816 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4817 Add LT_REGS, LC_REGS, LB_REGS.
4818 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4820 (REGNO_REG_CLASS): Deal with loop registers.
4821 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4823 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4824 New constants for loop registers.
4825 (UNSPEC_LSETUP_END): New.
4826 (seq_insns): New define_attr. Set it for appropriate insns.
4827 (movsi_insn): Add alternatives for move from/to
4828 loop count registers.
4829 (doloop_end): New define_expand.
4830 (loop_end): New define_insn.
4831 (define_split for bad doloop_end): New.
4832 (lsetup_with_autoinit): New define_insn.
4833 (lsetup_without_autoinit): New define_insn.
4834 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4835 * config/bfin/predicates.md (lc_register_operand): New.
4836 (lt_register_operand): New.
4837 (lb_register_operand): New.
4838 (nondp_register_operand): New.
4839 (nondp_reg_or_memory_operand): New.
4840 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4842 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4844 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4845 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4847 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4849 * Makefile.in (CATALOGS): Add po/ prefix.
4850 * configure: Regenerated.
4852 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4855 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4856 a shift operand before calling shift_op. Avoid redundant call of
4859 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4860 DJ Delorie <dj@redhat.com>
4862 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4863 we're inserting is a singlt-bit constant.
4865 2006-05-30 Roger Sayle <roger@eyesopen.com>
4867 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4868 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4870 2006-05-30 Roger Sayle <roger@eyesopen.com>
4872 PR tree-optimization/23452
4873 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4874 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4875 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4876 complex values and with -ffast-math for FP complex values.
4878 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4880 * c-common.h: Remove the prototype for yyparse.
4881 * rtl.h: Remove the prototype for init_loop.
4883 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4885 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4888 2006-05-30 Roger Sayle <roger@eyesopen.com>
4890 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4892 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4893 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4895 2006-05-30 Dirk Mueller <dmueller@suse.de>
4898 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4899 for CONSTANT_CLASS_P expresisons.
4901 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4904 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4906 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4908 PR tree-optimization/27779
4909 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4910 initial_condition instead of CHREC_LEFT.
4912 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4914 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4915 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4916 Make prototypes ISO C90.
4918 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4919 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4921 * see.c (see_analyze_one_def): Correct check.
4922 (see_get_extension_data): Check if extension is parallel.
4923 (see_get_extension_reg): Likewise.
4925 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4928 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4929 into register for (code == GTU).
4931 2006-05-29 Roger Sayle <roger@eyesopen.com>
4933 PR tree-optimization/24964
4934 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4935 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4936 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4937 abs(x)*abs(x) as x*x for scalar floating point modes.
4939 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4942 * lambda-code.c (perfect_nestify): Don't copy statements
4943 in the inner loop: move them to the inner loop header.
4945 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4948 * c-tree.texi: Document OpenMP directives and clauses.
4950 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4952 * varasm.c (globalize_decl): Fix indentation.
4954 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4957 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4958 pass_fre, pass_store_ccp, pass_copy_prop,
4959 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4960 pass_return_slot, pass_object_size, pass_lim,
4961 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4962 pass_loop_prefetch and pass_stdarg.
4964 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4966 * config/bfin/bfin.opt (mfdpic): New option.
4967 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4968 (EXTRA_MULTILIB_PARTS): Likewise.
4969 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4970 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4972 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4973 (CRT_CALL_STATIC_FUNCTION): New.
4974 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4976 (CRT_CALL_STATIC_FUNCTION): New.
4977 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4979 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4980 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4981 (initialize_trampoline): Changed to handle FD-PIC code generation.
4982 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4983 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4984 (override_options): Disallow -mid-shared-library -mfdpic combination.
4985 Can't do unaligned ops if FD-PIC.
4986 Turn off flag_pic if trying to generate non-id-shared-library
4987 non-fdpic code, since it's not supported.
4988 (bfin_assemble_integer): New function.
4989 (TARGET_ASM_INTEGER): Define.
4990 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4992 * config/bfin/crtn.s: Restore them.
4993 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4995 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4996 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4997 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4998 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4999 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5001 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5002 FDPIC_REGS and FDPIC_FPTR_REGS.
5003 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5004 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5005 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5006 (load_funcdescsi): New pattern.
5007 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5008 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5009 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5011 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5013 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5016 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5018 * tree-flow.h: Remove the prototype for add_type_alias.
5019 * tree-ssa-alias.c (add_type_alias): Remove.
5021 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5023 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5024 config/fr30/fr30.md, config/i386/i386-interix.h,
5025 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5026 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5027 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5028 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5029 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5030 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5031 Follow spelling conventions.
5032 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5033 Follow spelling conventions.
5035 2006-05-27 Richard Guenther <rguenther@suse.de>
5038 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5039 to produce a constant of value 1 of generic type.
5041 2006-05-27 Dirk Mueller <dmueller@suse.de>
5043 * cgraphunit.c (decide_is_function_needed): Fix wrong
5046 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5048 PR rtl-optimization/27661
5049 * reload.c (find_reloads): When reloading a VOIDmode constant
5050 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5051 use Pmode as mode of the reload register.
5053 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5055 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5056 is enabled at -O and above.
5058 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5061 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5064 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5067 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5068 for anonymous variables explicitly declared by front ends.
5070 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5072 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5073 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5074 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5075 ref-all pointers, run a finalization pass for them.
5076 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5077 (finalize_ref_all_pointers): New function.
5078 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5079 regular pointer type to a ref-all pointer type.
5080 (get_tmt_for): Return the special memory tag for ref-all pointers.
5082 2006-05-25 Richard Guenther <rguenther@suse.de>
5085 * fold-const.c (fold_binary): Do not look at the stripped
5086 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5088 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5090 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5091 for LT and GT if the computed range is effectively empty.
5093 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5096 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5097 mips_quad_format formats instead of ieee_single_format,
5098 ieee_double_format and ieee_quad_format formats, respectively.
5100 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5102 PR tree-optimization/27639
5103 PR tree-optimization/26719
5104 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5105 call to scev_probably_wraps_p.
5106 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5107 used_in_pointer_arithmetic_p, convert_step): Removed.
5108 (nowrap_type_p): New function.
5109 (scev_probably_wraps_p): Rewritten.
5110 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5111 chrec_convert if chrec_convert_aggressive might have been used.
5112 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5113 scev_direction): New functions.
5114 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5115 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5116 instead of convert_step.
5117 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5118 (convert_step): Declaration removed.
5119 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5121 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5123 * df-core.c: Added to header comments.
5124 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5125 df_ur_bb_info, df_urec_bb_info): Added comments.
5126 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5127 urec, ri problems): Fixed header comments.
5128 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5129 code from df_rd_transfer_function.
5131 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5133 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5134 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5135 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5137 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5139 * expr.c (undefined_operand_subword_p): New.
5140 (emit_move_multi_word): Do not generate move from undefined bits
5141 of a paradoxical subreg.
5143 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5145 PR rtl-optimization/27736
5146 * combine.c (replaced_rhs_value): New variable.
5147 (combine_instructions): Set it.
5148 (distribute_notes): When distributing a note in replaced_rhs_insn,
5149 check whether the value was used in replaced_rhs_value.
5151 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5154 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5155 add_referenced_var instead of add_referenced_tmp_var.
5156 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5157 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5159 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5160 tree_optimize_tail_calls_1): Use add_referenced_var.
5161 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5162 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5163 Use add_referenced_var.
5164 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5165 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5166 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5167 Use add_referenced_var.
5168 * tree-dfa.c (struct walk_state): Remove.
5169 (find_referenced_vars): Remove walk state and vars_found hash table.
5170 (make_rename_temp): Use add_referenced_var.
5171 (find_vars_r): Pass less parameters to add_referenced_var.
5172 (referenced_var_p): New. Is var in referenced_var hash table.
5173 (referenced_var_insert): Assert var isn't already in hash table.
5174 (add_referenced_var): Don't need walk_state parameter. Add var if it
5175 isn't already in the hash table.
5176 (add_referenced_tmp_var): Remove.
5177 (find_new_referenced_vars_1): Use add_referenced_var.
5178 * tree-ssa-pre.c (create_expression_by_pieces,
5179 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5180 Use add_referenced_var.
5181 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5182 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5183 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5185 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5186 vect_create_data_ref_ptr, vect_create_destination_var,
5187 vect_init_vector, vect_build_loop_niters,
5188 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5189 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5190 Use add_referenced_var.
5191 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5192 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5193 (add_referenced_var): Add prototype.
5194 * tree-ssa-structalias.c (get_constraint_for,
5195 intra_create_variable_infos): Use add_referenced_var.
5197 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5199 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5200 big-endian paradoxical subregs.
5201 * var-tracking.c (struct micro_operation_def): Document that,
5202 for modify micro operations, insn is the subsequent instruction.
5203 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5204 (var_reg_set, var_mem_set): ... new functions.
5205 (add_stores): Record subsequent insn.
5206 (compute_bb_dataflow): Use new functions for MO_USE.
5207 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5208 notes after the insn, and modify notes before the insn known
5209 to be the subsequent one.
5210 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5212 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5215 * config/i386/i386.c (ix86_expand_builtin): Use
5216 gen_sse3_monitor64 for TARGET_64BIT.
5218 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5220 PR rtl-optimization/26375
5221 PR rtl-optimization/26855
5222 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5224 (df_ru_bb_local_compute): Reversed statements and removed bogus
5225 comment explaining why they should be in wrong order.
5226 (df_ru_dump, df_rd_dump): Enhanced debug info.
5227 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5229 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5230 reaching uses and fixed space problem.
5232 2006-05-23 Jan Hubicka <jh@suse.cz>
5234 * cgraphunit.c (decide_is_function_needed): Also nested functions
5235 and functions declared inline can be optimized out at -O0.
5237 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5239 * doc/install.texi (Configuration): Remove reference to CrossGCC
5243 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5246 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5247 ix86_compare_emitted is non-NULL.
5249 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5252 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5255 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5257 PR rtl-optimization/25514
5258 * combine.c (replaced_rhs_insn): New variable.
5259 (combine_instructions): Set replaced_rhs_insn when trying to replace
5260 a SET_SRC with a REG_EQUAL note.
5261 (distribute_notes): Use replaced_rhs_insn when determining the live
5262 range of a REG_DEAD register.
5264 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5265 Anatoly Sokolov <aesok@post.ru>
5267 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5268 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5269 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5270 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5271 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5272 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5273 at90usb647, at90usb1286 and at90usb1287 devices.
5274 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5275 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5277 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5279 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5281 2006-05-22 Richard Guenther <rguenther@suse.de>
5284 2006-01-31 Richard Guenther <rguenther@suse.de>
5285 Paolo Bonzini <bonzini@gnu.org>
5287 * doc/install.texi (--disable-libgcc-math): Document.
5289 2006-05-22 Richard Guenther <rguenther@suse.de>
5292 2006-01-31 Richard Guenther <rguenther@suse.de>
5294 * doc/invoke.texi (-msselibm): Document.
5295 * target.h (expand_library_builtin): New target hook.
5296 * builtins.c (expand_builtin): Use expand_library_builtin.
5297 (default_expand_library_builtin): New function.
5298 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5299 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5300 (link_gcc_math_spec): Declare.
5301 (static_specs): Add link_gcc_math_spec.
5302 * expr.h (default_expand_library_builtin): Declare.
5303 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5304 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5305 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5306 * config/i386/i386.opt (msselibm): New target option.
5307 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5308 (ix86_init_sse_abi_builtins): New function.
5309 (ix86_expand_library_builtin): Likewise.
5310 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5311 (override_options): Handle error conditions wrt -msselibm.
5312 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5313 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5314 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5317 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5320 * c-common.c (self_promoting_args_p): Skip erroneous args.
5323 * c-decl.c (finish_struct): Skip erroneous fields.
5325 2006-05-22 Nick Clifton <nickc@redhat.com>
5327 * config/cris/cris.opt (march): Remove VarExists attribute.
5328 (max-stackframe=): Likewise.
5330 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5332 * doc/rtl.texi: Fix a typo.
5333 * see.c: Fix comment typos.
5335 * tree-ssa-structalias.h (alias_info): Remove num_references.
5337 2006-05-21 Mike Stump <mrs@apple.com>
5339 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5341 (darwin_pragma_options): Use BAD instead.
5342 (darwin_pragma_unused): Likewise.
5343 (darwin_pragma_ms_struct): Likewise.
5345 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5347 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5349 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5351 PR rtl-optimization/27671
5352 * simplify-rtx.c (simplify_relational_operation_1): Fix
5353 simplifications of (eq/ne (xor x y) y) and
5354 (eq/ne (xor x y) x).
5356 PR tree-optimization/26622.
5357 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5360 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5362 * tree-cfg.c: Prune whitespace.
5363 (debug_tree_cfg): Point to correct header containing the
5366 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5369 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5371 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5374 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5375 or sorry count is non zero.
5377 2006-05-20 Andreas Schwab <schwab@suse.de>
5379 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5381 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5382 Kenneth Zadeck <zadeck@naturalbridge.com>
5384 PR rtl-optimization/26855
5386 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5388 (df_scan_alloc): Added code to properly handle multiword hard
5389 registers and add all_blocks parameter.
5390 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5391 code to properly handle multiword hard registers.
5392 (df_rescan_blocks): Added code to remove deleted blocks from
5394 (df_ref_create_structure, df_ref_record): Added code to properly
5396 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5397 and set DF_REF_PARTIAL.
5398 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5399 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5400 (df_scan_add_problem): Added flags parameter.
5401 (df_ref_create_structure): Changed switching structure.
5402 (df_bb_refs_record): Fixed case where duplicate artificial refs
5403 were created. Changed location of flags.
5404 (df_record_entry_block_defs): Added code to make stack pointer
5405 live in entry block. Refined cases where frame pointer is needed.
5406 Changed location of flags.
5407 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5408 (df_set_state): Removed function.
5409 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5410 df_insn_create_insn_record, df_insn_refs_delete,
5411 df_ref_create_structure): Formatting changes.
5412 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5413 df_delete_basic_block): New function.
5414 (df_init): Changed location of flags.
5415 (df_add_problem): Added flags parameter and the way flags are
5417 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5418 debug_df_chain): Improved debugging output.
5419 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5420 (df_refs_chain_dump): Removed df parameter.
5421 (df_iterative_dataflow): Added consistency check.
5422 (df_prune_to_subcfg): Made public.
5423 (df_analyze_problem): Added blocks_to_init parameter and made
5425 (df_ref_record, df_bb_refs_record, df_mark_reg,
5426 df_record_exit_block_uses): Whitespace changes.
5427 (df_dump): Whitespace changes.
5428 * df.h: Some reordering to remove forward references.
5429 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5430 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5431 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5432 (dataflow.flags): New field.
5433 (df.flag): Deleted field.
5434 (df_alloc_function): Added additional bitmap parameter.
5435 (df_dependent_problem_function): New type.
5436 (df_problem.changeable_flags): New field.
5437 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5438 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5439 (df_mw_hardreg): New struct.
5440 (DF_INSN_UID_MWS): New macro.
5441 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5443 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5444 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5445 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5446 (df_set_state): Removed function.
5447 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5448 * df-problems.c (df_chain_dump): Removed df parameter.
5449 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5450 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5452 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5453 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5454 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5455 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5456 DF_REF_MUST_CLOBBER cases.
5457 (df_ru_bb_local_compute_process_def,
5458 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5459 df_lr_bb_local_compute, df_ur_bb_local_compute,
5460 df_chain_create_bb): Made subreg aware.
5461 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5462 df_lr_bb_local_compute, df_lr_bb_local_compute,
5463 df_chain_create_bb): Cleanup to use proper macros.
5464 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5465 code to fixup bitvectors.
5466 (df_ri_alloc): Cleared lifetime.
5467 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5468 df_create_unused_note): New function.
5469 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5470 REG_DEAD and REG_UNUSED notes as well as register information.
5471 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5472 df_chains_dump): Fixed crash if problem was never run.
5473 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5474 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5475 df_ri_add_problem): Processes flags in uniform manner.
5476 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5477 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5478 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5479 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5480 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5481 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5482 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5483 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5484 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5485 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5486 * see.c (see_initialize_data): Ditto.
5487 * final.c (rest_of_clean_state) Added regstack_completed.
5488 * rtl.h (regstack_completed): Ditto.
5489 * reg-stack.c (regstack_completed): Ditto.
5491 2006-05-19 Mike Stump <mrs@apple.com>
5493 * c-tree.h (default_conversion): Remove.
5494 * c-common.h (default_conversion): Add.
5496 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5498 * tree-vrp.c (valid_value_p): New function.
5499 (adjust_range_with_scev): Fail if the value of bound is not
5502 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5504 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5505 (mips_fallback_frame_state): Use syscall numbers to determine
5506 the appropriate li instruction for the current ABI. Only use
5507 __NR_sigreturn for o32.
5509 2006-05-19 Nicolas Setton <setton@adacore.com>
5511 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5512 * langhooks.c (lhd_dwarf_name): New function.
5513 * langhooks-def.h (lhd_dwarf_name): Declare.
5514 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5515 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5516 * ada/misc.c (gnat_dwarf_name): New function.
5517 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5519 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5521 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5523 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5524 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5525 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5526 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5527 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5528 determine the size of Wtype, etc.
5529 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5530 (swfloatfuncs): New variable.
5531 (dwfloatfuncs): Likewise.
5532 (lib2funcs): Remove floating-point conversion functions from
5533 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5534 the set of conversion routines needed. Allow entries to specify
5535 an object name, filename and word size. Update users accordingly.
5536 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5537 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5541 2006-02-08 Roger Sayle <roger@eyesopen.com>
5544 * config/fixtfdi.c: New libgcc source file.
5545 * config/fixunstfdi.c: New source file.
5546 * config/floatditf.c: New source file.
5547 * config/floatunditf.c: New souce file.
5548 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5549 files above instead of config/mips/_tilib.c.
5550 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5552 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5554 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5555 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5557 2006-05-18 Mike Stump <mrs@apple.com>
5559 Fix up vla, vm and [*] sematics.
5565 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5566 (c_vla_unspec_p): Add.
5567 (c_vla_type_p): Add.
5568 * c-decl.c (struct c_scope): Add had_vla_unspec.
5569 (build_array_declarator): Add support for [*].
5570 (grokdeclarator): Likewise.
5571 (grokparms): Likewise.
5572 (get_parm_info): Likewise.
5573 * c-objc-common.c (c_vla_unspec_p): Likewise.
5574 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5575 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5576 typeof when argument is a variably modified type not inside sizeof or alignof.
5577 (c_parser_direct_declarator_inner): Propagate errors.
5578 (c_parser_sizeof_expression): Add support for [*].
5579 (c_parser_parms_declarator): Initialize had_vla_unspec.
5580 (c_parser_parms_list_declarator): Likewise.
5581 * c-typeck.c (c_vla_type_p): Add.
5582 (composite_type): Add support for vla compositing.
5583 (comptypes_internal): Add support for vla compatibility.
5584 (c_expr_sizeof_expr): Evaluate vla arguments.
5585 * tree.c (variably_modified_type_p): Update comment for [*].
5587 2006-05-18 Michael Matz <matz@suse.de>
5590 * config.host: Make assignments to host_xmake_file cumulative.
5591 * config.host (*-darwin*): Test $host, not $target.
5593 2006-05-12 Stuart Hastings <stuart@apple.com>
5595 * config/i386/i386.opt (-mstackrealign): New flag.
5596 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5597 (ix86_handle_cconv_attribute): Emit error when
5598 force_align_arg_pointer attribute collides with too many regparms.
5599 (ix86_function_regparm): Limit regparms when used with
5600 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5601 Support stack-realigning prologue in non-main functions. Emit
5602 warning for nested functions under -mstackrealign, emit error for
5603 nested functions with force_align_arg_pointer attribute.
5604 * doc/extend.texi (force_align_arg_pointer): Document it.
5605 * doc/invoke.texi (-mstackrealign): Document it.
5607 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5609 PR rtl-optimization/27477
5610 * combine.c (try_combine): Don't split a parallel consisting
5611 of two sets into two individual sets if both sets reference
5614 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5616 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5617 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5619 * doc/options.texi (VarExists): Updated.
5621 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5623 * unwind-dw2.c: Add declarations for uw_update_context and
5625 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5626 detected, advance frame state and context once to skip over stub.
5628 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5632 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5633 Call rewrite_into_loop_closed_ssa only when something changed.
5634 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5635 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5636 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5637 Test for perfect_nest_p here. Fix formating.
5638 (replace_uses_equiv_to_x_with_y): Fix formating.
5639 (stmt_uses_op): Removed.
5640 (can_convert_to_perfect_nest): Removed loopivs parameter.
5641 Complete the test by checking the scalar dependences.
5642 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5645 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5648 From Dan Kegel <dank@kegel.com>:
5649 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5651 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5653 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5654 if the element type is variably modified without recursing.
5656 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5659 * tree-loop-linear.c (try_interchange_loops): Test for
5660 no data dependences.
5662 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5664 PR tree-optimization/27548
5665 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5666 range of ssa names that appear on abnormal edges.
5667 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5668 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5670 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5673 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5675 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5678 * tree.h (OMP_PARALLEL_COMBINED): Define.
5679 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5680 (new_omp_context): Add is_combined_parallel argument.
5681 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5682 new_omp_context caller.
5683 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5684 Adjust gimplify_scan_omp_clauses callers.
5685 (omp_is_private): Issue errors if iteration variable is firstprivate
5686 or reduction in the current context.
5687 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5688 on combined parallel workshare constructs.
5690 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5692 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5693 (gcc-options.o): New rule.
5695 * optc-gen.awk: Protect variables for gcc-options.o with
5696 #ifdef GCC_DRIVER/#endif.
5698 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5700 Fix PR tree-optimization/27373
5701 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5702 (forward_propagate_addr_expr): Update call.
5704 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5706 * doc/options.texi: Move the Negative option.
5708 2006-05-16 Richard Guenther <rguenther@suse.de>
5710 PR tree-optimization/22303
5711 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5713 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5714 ccp_fold did not simplify the statement.
5716 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5719 * Makefile.in (GCC_OBJS): New.
5720 (OBJS-common): Add opts-common.o.
5721 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5722 (cpp$(exeext)): Likewise.
5723 (gcc.o): Also depend on opts.h.
5724 (opts-common.o): New.
5726 * common.opt (gcoff): Add Negative(gdwarf-2).
5727 (gdwarf-2): Add Negative(gstabs).
5728 (gstabs): Add Negative(gstabs+).
5729 (gstabs+): Add Negative(gvms).
5730 (gvms): Add Negative(gxcoff).
5731 (gxcoff): Add Negative(gxcoff+).
5732 (gxcoff+): Add Negative(gcoff).
5733 * config/i386/i386.opt (m32): Add Negative(m64).
5734 (m64): Add Negative(m32).
5736 * doc/options.texi: Document the Negative option.
5738 * gcc.c: Include "opts.h".
5739 (main): Call prune_options after expandargv.
5741 * optc-gen.awk: Generate common declarations for all flag
5742 variables in options.c. Output the neg_index field.
5744 * opts.c (find_opt): Moved to ...
5745 * opts-common.c: Here. New file.
5747 * opts.h (cl_option): Add a neg_index field.
5749 (prune_options): Likewise.
5751 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5754 * omp-low.c (expand_omp_parallel): Don't assert
5755 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5756 instead search for it.
5759 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5762 2006-05-16 Andreas Schwab <schwab@suse.de>
5764 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5767 2006-05-15 Roger Sayle <roger@eyesopen.com>
5770 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5771 integer constants other than zero are only legitimate on TARGET_64BIT.
5772 <CONST_VECTOR> Only zero vectors are legitimate.
5773 (ix86_cannot_force_const_mem): Integral and vector constants can
5774 always be put in the constant pool.
5776 2006-05-16 DJ Delorie <dj@redhat.com>
5778 * crtstuff.c (__dso_handle): Set section from
5779 TARGET_LBIGCC_SDATA_SECTION if defined.
5780 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5781 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5783 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5786 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5789 2006-05-16 Ben Elliston <bje@au.ibm.com>
5791 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5793 2006-05-15 Per Bothner <per@bothner.com>
5795 * tree.c: (last_annotated_node): Use source_locus typedef.
5796 This permits bootstrapping with --enable-mapped-location.
5798 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5800 PR tree-optimization/26830
5801 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5802 (info_for_ssa_name, current_info_for_ssa_name_age,
5803 blocks_to_update): New variables.
5804 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5805 (clear_ssa_name_info, initialize_flags_in_bb,
5806 mark_block_for_update): New functions.
5807 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5808 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5809 prepare_def_site_for): Use mark_block_for_update.
5810 (mark_def_interesting): Assert that the processed block is marked in
5811 blocks_to_update. Do not take blocks argument.
5812 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5814 (rewrite_update_init_block, rewrite_update_stmt): Only process
5815 blocks with statements to rewrite.
5816 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5817 (update_ssa): Initialize and free blocks_to_update. Do not
5818 clear flags on statements. Do not use blocks bitmap.
5819 * tree.h (SSA_NAME_AUX): Removed.
5820 (struct tree_ssa_name): Removed aux field.
5821 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5823 2006-05-15 Richard Guenther <rguenther@suse.de>
5825 PR tree-optimization/27603
5826 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5827 Do computations in original type.
5829 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5831 * see.c: Code style changes such as redundant paranthesis,
5832 redundant intialization of local variables etc.
5833 (see_main): Declared now as static.
5834 * doc/invoke.texi: Update that -fsee is not enabled by
5837 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5839 * omp-low.c (check_omp_nesting_restrictions): New function.
5840 (scan_omp_1): Call it.
5843 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5844 construct, return *VAR.
5846 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5848 PR rtl-optimization/27406
5849 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5852 2006-05-14 Roger Sayle <roger@eyesopen.com>
5854 PR rtl-optimization/27538
5855 * combine.c (expand_compound_operation): Call gen_lowpart
5856 before calling simplify_shift_const.
5858 2006-05-14 Roger Sayle <roger@eyesopen.com>
5860 PR rtl-optimization/22563
5861 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5862 a fixed width bitfield, always force the intermediates into psuedos.
5864 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5867 * mkconfig.sh: Use operator = instead of == for test.
5869 2006-05-13 Nick Clifton <nickc@redhat.com>
5871 * dwarf2out.c (dbx_reg_number): Check return value from
5872 LEAF_REG_REMAP and only use it if it is valid.
5873 (multiple_reg_loc_descriptor): Likewise.
5875 2006-05-13 Richard Guenther <rguenther@suse.de>
5877 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5880 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5882 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5883 information attached to non-INSNs such as NOTEs.
5884 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5886 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5888 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5890 * config/s390/s390.md: Adjust comment describing On constraint.
5892 2006-05-11 Jan Hubicka <jh@suse.cz>
5894 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5895 to be output at -O0.
5897 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5900 * fold-const.c (size_binop): Move sanity check for arguments to
5901 the beginning of the function.
5904 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5907 2006-05-11 Richard Guenther <rguenther@suse.de>
5910 * fold-const.c (fold_unary): Handle intermediate conversion
5911 to a pointer type like intermediate conversion to an integer
5912 type in folding of (T1)(T2)var to var.
5913 Match the code to the comment in the final conversion for
5914 (T1)(T2)var to (T1)var regarding to type precision. Rather
5915 than disallow T1 being of pointer type, assert that both T1
5916 and var are of pointer type or not. Make sure not to fall
5917 over the frontends lazyness wrt array to pointer decay though.
5919 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5921 * arm.c (arm_struct_value_rtx): Delete.
5922 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5923 (arm_init_cumulative_args): Always initialize nregs to zero.
5925 2006-05-10 Richard Guenther <rguenther@suse.de>
5927 PR tree-optimization/27532
5928 * tree-object-size.c (plus_expr_object_size): Fix typo.
5930 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5933 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5934 ashrdi_const, ashrdi3): Use a scratch register.
5936 2006-05-10 Richard Guenther <rguenther@suse.de>
5938 PR tree-optimization/27302
5939 * fold-const.c (operand_equal_p): For two comparisons,
5940 try comparison of one comparison code swapped if that yields
5943 2006-05-10 Ben Elliston <bje@au.ibm.com>
5945 * tree-pretty-print.c (pretty_print_string): No need to handle
5946 '\0' as a special character.
5948 * tree.h: Include "hashtab.h".
5949 (iterative_hash_expr): Use hashval_t in its prototype.
5950 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5952 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5955 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5956 (hppa*64*-*-hpux11*): Ditto.
5957 (hppa[12]*-*-hpux11*): Ditto.
5959 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5962 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5964 2006-05-09 Michael Matz <matz@suse.de>
5966 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5967 host_extra_gcc_objs and host_xmake_file.
5968 (<*-*-linux*>): Don't overwrite host_xmake_file.
5969 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5970 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5971 (host_detect_local_cpu): Declare.
5972 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5973 * config/i386/i386.c (override_options): Handle -mtune=native
5975 * config/i386/x-i386: New file.
5976 * config/i386/driver-i386.c: New file.
5977 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5980 2006-05-09 Dirk Mueller <dmueller@suse.de>
5981 Richard Guenther <rguenther@suse.de>
5984 * fold-const.c (fold_read_from_constant_string): Relax check
5985 for matching types to matching modes.
5987 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5989 PR rtl-optimization/27335
5990 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5993 2006-05-08 Chao-ying Fu <fu@mips.com>
5994 Richard Sandiford <richard@codesourcery.com>
5996 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5997 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5998 * config/mips/mips.md (UNSPEC_SCC): New constant.
5999 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6000 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6001 (mips_emit_compare): Use it.
6002 (mips_expand_vcondv2sf): New function.
6004 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6006 Fix PR tree-optimization/27093
6007 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6008 renaming when they become not-used_alone.
6010 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6012 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6013 relocation and relocation stubs.
6015 2006-05-08 Eric Christopher <echristo@apple.com>
6017 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6020 2006-05-08 Jan Hubicka <jh@suse.cz>
6023 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6024 unused static functions are needed.
6026 2006-05-08 Roger Sayle <roger@eyesopen.com>
6029 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6030 of a reg_equiv_constant if the result is a legitimate constant.
6032 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6035 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6036 standard 80387 constants, raise the cost to prevent
6037 compress_float_constant() to generate load from memory.
6039 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6041 * config/arm/constraints.md (c): Fix a typo.
6043 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6046 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6049 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6051 (_mm_mwait): Likewise.
6053 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6055 (sse3_monitor): Make it 32bit only.
6056 (sse3_monitor64): New. 64bit monitor.
6058 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6061 * config/i386/i386.c (classify_argument): Skip fields with invalid
6064 2006-05-07 Richard Guenther <rguenther@suse.de>
6066 PR tree-optimization/27409
6067 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6068 Do not try to find zero-sized subvars.
6070 2006-05-07 Richard Guenther <rguenther@suse.de>
6072 PR tree-optimization/27136
6073 * tree-ssa-loop-niter.c (get_val_for): Correct function
6074 comment, assert requirements.
6075 (loop_niter_by_eval): Stop processing if the iterated
6076 value did not simplify.
6078 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6080 * opts.c (flag_see): remove its setting at -O3.
6082 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6084 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6085 * arm/constraints.md: New file.
6086 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6087 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6088 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6089 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6090 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6091 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6092 * arm.md: Include constraints.md.
6093 (thumb_movsi_insn): Use satisfies_constraint_J.
6094 (movhi, movqi): Use satisfies_constraint_I.
6096 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6098 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6099 for atmeg a645 device.
6101 2006-05-06 Richard Guenther <rguenther@suse.de>
6103 PR tree-optimization/27151
6104 * tree-vect-transform.c (vectorizable_condition): Punt on
6105 values that have a different type than the condition.
6107 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6110 * c-parser.c (c_parser_cast_expression): Only insert casts into
6111 hash table if pointer.
6112 * function.c (used_types_insert_helper): Rename from
6114 (used_types_insert): Call used_types_insert_helper.
6115 * function.h (used_types_insert): Accept only one argument.
6117 2006-05-05 David Edelsohn <edesohn@gnu.org>
6119 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6120 scratch with output modifier.
6122 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6125 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6126 with output modifier.
6128 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6131 * config/mips/mips.c (mips_symbolic_address_p): Return true
6132 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6133 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6135 2006-05-04 Richard Guenther <rguenther@suse.de>
6137 PR tree-optimization/14287
6138 PR tree-optimization/14844
6139 PR tree-optimization/19792
6140 PR tree-optimization/21608
6141 PR tree-optimization/27090
6142 * tree-ssa-pre.c (try_combine_conversion): New function.
6143 (compute_avail): After constructing the value-handle
6144 expression, use try_combine_conversion to combine NOP_EXPRs
6145 with previous value-handle expressions and use the result if it
6148 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6150 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6152 2006-05-04 Jan Hubicka <jh@suse.cz>
6155 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6157 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6159 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6160 that this only matches CONST_INTs. All users changed to VOIDmode
6163 * config/bfin/bfin.c: Include "optabs.h".
6164 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6166 (enum bfin_builtins): Add a number of fractional and vector builtins.
6167 (bfin_init_builtins): Likewise.
6168 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6169 (safe_vector_operand, bfin_expand_binop_builtin,
6170 bfin_expand_unop_builtin): New functions.
6171 (bfin_expand_builtin): Handle the new builtins.
6172 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6175 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6178 * Makefile.in (OBJS-common): Add see.o.
6179 (see.o): Add dependencies.
6180 * common.opt (fsee): New flag for the see optimization was added.
6181 * opts.c (flag_see): Initialized.
6182 * passes.c (init_optimization_passes, pass_see): New pass.
6183 * rtl.h (see_main): Declaration as extern.
6184 * timevar.def (TV_SEE): New.
6185 * tree-pass.h (pass_see): Declaration as extern.
6186 * invoke.texi (-fsee): Document.
6187 * recog.c (validate_simplify_insn): New function.
6188 * recog.h (validate_simplify_insn): Declaration as extern.
6189 * df-problems.c (df_chain_dump): Check for NULL.
6191 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6192 Daniel Berlin <dberlin@dberlin.org>
6194 * cfgrtl.c (insert_insn_bb_end_new): New function.
6195 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6197 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6199 * df.h (struct web_entry): Moved from web.c.
6200 (union_defs): Declaration as extern.
6201 (unionfind_root): Likewise.
6202 (unionfind_union): Likewise.
6203 * web.c (struct web_entry): Moved to df.h.
6204 (unionfind_root): Remove static declaration.
6205 (unionfind_union): Likewise.
6206 (union_defs): Likewise and generalize to use callback function.
6207 (web_main): Update arguments for union_defs function call.
6209 2006-05-04 Richard Guenther <rguenther@suse.de>
6211 PR tree-optimization/26447
6212 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6213 produce SSA_NAME copies before the store stmt to avoid
6214 breaking exception handling.
6216 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6219 * gimplify.c (omp_is_private): If var is shared in some outer context,
6220 return false instead of true. Stop searching on parallel context
6223 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6226 * coverage.c: Use get_gcov_unsigned_t() instead of
6227 unsigned_type_node all over.
6229 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6231 PR tree-optimization/27381
6232 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6233 maintain the same immediate_use links.
6234 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6235 node rather than segfaulting.
6237 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6240 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6241 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6242 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6244 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6246 Fix PR tree-optimization/26626
6247 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6249 * tree-ssa-operands.c (access_can_touch_variable): Allow
6250 typecasting through union pointers.
6252 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6255 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6256 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6257 to find if var will be a global variable even in the nested context.
6258 (omp_copy_decl): Only check for global variable at the end, it might
6259 be overridden in outer contexts.
6260 (scan_sharing_clauses): For global variables don't create a field.
6261 (lower_rec_input_clauses): Do nothing for global shared variables.
6262 Emit a barrier at the end of ILIST if there were any decls in both
6263 firstprivate and lastprivate clauses.
6264 (lower_send_clauses): Do nothing for global variables except for
6267 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6269 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6270 of the correct signedness is returned.
6272 2006-05-02 Jeff Law <law@redhat.com>
6274 PR tree-optimization/27364
6275 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6276 multiply expressions.
6278 2006-05-02 Tom Tromey <tromey@redhat.com>
6280 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6282 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6285 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6286 -mthumb -fPIC are used.
6288 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6289 Joshua Kinard <kumba@gentoo.org>
6292 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6293 with 64-bit pointers.
6295 2006-05-02 Paul Brook <paul@codesourcery.com>
6297 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6299 (create_fix_barrier): Check that a suitable barrier location is
6301 (arm_reorg): Include ftmp->address in allowable range of addresses.
6303 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6306 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6309 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6312 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6313 around RESULT_DECL for result passed by reference.
6314 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6315 * omp-low.c (use_pointer_for_field): Don't look at
6316 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6317 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6318 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6319 time or var for passing by reference for
6320 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6321 TREE_ADDRESSABLE variables when passing by reference.
6323 * omp-low.c (dump_omp_region): Fix output formatting.
6326 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6327 (expand_omp_parallel): Likewise.
6328 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6331 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6332 on statement list containing also constructors and destructors.
6333 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6336 * except.c (duplicate_eh_regions): Fix clearing of
6337 cfun->eh->region_array entries.
6339 2006-05-01 DJ Delorie <dj@redhat.com>
6341 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6343 (gcc_cv_objdump): Likewise.
6344 * configure: Regenerated.
6346 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6349 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6350 templates for case 3 and 4.
6352 2006-05-01 DJ Delorie <dj@redhat.com>
6354 * vec.c: Include bconfig.h when appropriate.
6355 * Makefile.in (build/vec.o): Adjust dependencies.
6356 * mkconfig.sh: Make sure config.h isn't used for build machine
6359 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6361 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6363 (mark_phi_for_rewrite): New function.
6364 (insert_phi_nodes_for, mark_use_interesting): Call
6365 mark_phi_for_rewrite.
6366 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6367 (update_ssa): Initialize and free phis_to_rewrite.
6369 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6371 PR rtl-optimization/27291
6372 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6373 folded to a constant.
6375 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6377 PR tree-optimization/27283
6378 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6379 not whole # of iteration descriptions.
6380 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6381 uses abnormal ssa name.
6382 (niter_for_single_dom_exit): Ditto.
6383 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6384 return just the number of iterations.
6386 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6388 PR tree-optimization/27144
6389 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6390 (record_estimate): Only record constant upper bound.
6391 (infer_loop_bounds_from_undefined): Call
6392 compute_estimated_nb_iterations just once.
6393 (proved_non_wrapping_p): Renamed to ...
6394 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6395 (convert_step_widening, scev_probably_wraps_p): Call
6396 n_of_executions_at_most instead of proved_non_wrapping_p.
6397 (substitute_in_loop_info): Do not replace values in bounds.
6398 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6401 2006-05-01 Richard Henderson <rth@redhat.com>
6404 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6405 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6408 2006-05-01 Roger Sayle <roger@eyesopen.com>
6410 * c-typeck.c (parser_build_binary_op): Don't call the function
6411 unsigned_conversion_warning to spot operand/result type overflow.
6412 (build_binary_op): Instead, call convert_and_check instead of
6413 convert to report the problem when the operands are promoted.
6414 * c-common.c (unsigned_conversion_warning): Make static.
6415 * c-common.h (unsigned_conversion_warning): Delete prototype.
6417 2006-05-01 Richard Guenther <rguenther@suse.de>
6419 PR tree-optimization/26726
6420 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6422 (find_interesting_uses_address): ... we work around here
6423 by folding INDIRECT_REFs in the substituted base.
6425 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6427 * omp-low.c (dump_omp_region): Add newlines.
6429 2006-04-30 Roger Sayle <roger@eyesopen.com>
6431 * common.opt (Woverflow): New command line option.
6432 * c-common.c (constant_expression_warning): Check warn_overflow.
6433 (overflow_waring): Pass OPT_Woverflow to warning.
6434 (unsigned_conversion_warning): Likewise.
6435 (convert_and_check): Likewise.
6436 * doc/invoke.texi: Document new command line option.
6438 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6440 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6441 TARGET_NO_FP_IN_TOC for section anchors.
6442 (optimization_options): Enable section anchors for all
6443 non-"Objective" languages.
6445 2006-04-28 Eric Christopher <echristo@apple.com>
6447 * config/darwin-c.c (darwin_ms_struct): Move this
6448 (darwin_set_default_type_attributes): and this...
6449 * config/darwin.c: ... here.
6450 * config/darwin.h (darwin_ms_struct): Declare.
6452 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6454 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6456 2006-04-28 Roger Sayle <roger@eyesopen.com>
6459 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6460 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6461 an unsigned HOST_WIDE_INT.
6462 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6464 (really_start_incremental_init): No need to call convert because
6465 bitsize_zero_node is already of type bitsizetype.
6466 (push_init_level): Extract the value of constructor_index as an
6467 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6468 (process_init_element): Likewise.
6470 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6472 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6473 value before passing to make_relative_prefix.
6475 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6478 * builtins.c (expand_builtin_memset): Expand val in original mode.
6480 2006-04-27 Eric Christopher <echristo@apple.com>
6482 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6483 with #ifndef/#endif.
6484 * config/darwin-c.c (darwin_ms_struct): New.
6485 (darwin_pragma_ms_struct): Ditto.
6486 (darwin_set_default_type_attributes): Ditto.
6487 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6488 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6489 Register ms_struct pragma.
6490 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6491 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6492 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6493 darwin_set_default_type_attributes if TARGET_MACHO.
6495 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6497 PR tree-optimization/26854
6498 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6499 * doc/tree-ssa.texi: Update immuse iterator documentation.
6500 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6501 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6502 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6503 first_safe_imm_use, next_safe_imm_use): Remove.
6504 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6505 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6506 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6507 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6508 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6509 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6510 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6511 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6512 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6513 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6514 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6515 (perfect_nestify): Use new iterator.
6516 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6518 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6519 (next_imm_name): New field in struct immediate_use_iterator_d.
6520 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6521 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6522 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6523 * tree-cfg.c (replace_uses_by): Use new iterator.
6524 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6525 * tree-ssa-operands.c (correct_use_link): Remove.
6526 (finalize_ssa_use_ops): No longer call correct_use_link.
6528 2006-04-27 Stuart Hastings <stuart@apple.com>
6530 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6531 * config/t-darwin (crt3.o): Use it.
6532 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6533 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6534 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6535 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6536 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6539 2006-04-27 Roger Sayle <roger@eyesopen.com>
6541 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6542 size, force the intermediate into a new pseudo rather instead of
6543 performing both a bitwise AND and a bitwise IOR in memory.
6545 2006-04-27 Richard Guenther <rguenther@suse.de>
6547 PR rtl-optimization/26685
6548 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6549 this one "max-flow-memory-locations".
6551 2006-04-27 Richard Guenther <rguenther@suse.de>
6553 PR tree-optimization/25148
6554 * tree-vrp.c (compare_values): Remove code dealing with
6555 comparisons against type min/max value. Honour overflow
6556 and negative constants in code dealing with comparisons
6557 of plus and minus expressions.
6558 (value_inside_range): Use fold_binary with LE_EXPR and
6559 GE_EXPR rather than compare_values.
6561 2006-04-27 Dirk Mueller <dmueller@suse.de>
6563 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6566 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6568 * basic-block.h (safe_insert_insn_on_edge): Removed.
6569 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6571 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6572 Paolo Bonzini <bonzini@gnu.org>
6575 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6576 (simplify_and_const_int): Same.
6578 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6580 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6582 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6585 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6586 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6587 cgraph_global_info_ready.
6590 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6593 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6594 either decl or init is error_mark_node.
6597 * tree-flow.h (struct omp_region): Add sched_kind.
6598 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6599 instead of extracting omp for data.
6600 (expand_omp_for): Save extracted sched_kind.
6602 2006-04-25 Roger Sayle <roger@eyesopen.com>
6604 * expmed.c (store_bit_field): Also check whether the bitsize is
6605 valid for the machine's "insv" instruction before moving the
6606 target into a pseudo for use with the insv.
6607 * config/i386/predicates.md (const8_operand): New predicate.
6608 * config/i386/i386.md (extv, extzv, insv): Use the new
6609 const8_operand predicate where appropriate.
6611 2006-04-25 DJ Delorie <dj@redhat.com>
6613 * doc/install.texi (Specific): Clarify that this is not a list of
6614 supported hosts or targets.
6616 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6618 PR rtl-optimization/26725
6619 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6620 block's BB_DIRTY flag.
6622 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6624 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6627 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6628 to print an integer.
6630 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6632 * varasm.c (align_variable): New function.
6633 (get_block_for_decl): Apply align_variable to DECL before
6634 calculating section information.
6635 (assemble_variable): Split out alignment computation.
6637 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6639 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6642 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6644 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6645 MODE_PARTIAL_INT mode.
6646 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6647 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6649 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6650 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6652 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6654 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6656 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6657 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6658 MACFLAG_IH): Likewise.
6659 (movstricthi_1): Renamed from "*movstricthi".
6660 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6661 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6662 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6663 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6664 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6665 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6666 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6667 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6668 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6669 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6670 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6671 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6672 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6673 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6674 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6676 * doc/rtl.texi (ss_ashift): Improve wording.
6678 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6680 * dwarf2out.c (verify_marks_clear): New.
6681 (prune_unused_types): Call verify_marks_clear initially, not
6684 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6686 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6687 * doc/rtl.texi: Document them.
6688 * simplify-rtx.c (simplify_unary_operation,
6689 simplify_binary_operation_1): Don't abort when we see them.
6691 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6694 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6695 * configure.ac: Completely disregard languages that are not
6697 * configure: Regenerated.
6699 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6700 Richard Guenther <rguenther@suse.de>
6702 PR tree-optimization/27236
6703 * tree-inline.c (copy_body_r): Make sure to copy
6704 TREE_THIS_VOLATILE flag.
6706 2006-04-24 Richard Guenther <rguenther@suse.de>
6709 * tree-complex.c (update_parameter_components): Don't handle
6710 unused parameters which have no default def.
6712 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6713 Richard Guenther <rguenther@suse.de>
6715 PR tree-optimization/27218
6716 * tree-inline.c (expand_call_inline): Strip useless type
6717 conversions for the return slot address.
6719 2006-04-24 Richard Guenther <rguenther@suse.de>
6721 * cfgloop.h (struct loops): Remove unused field array. Reorder
6723 (LOOP_PREFETCH): Remove.
6725 2006-04-24 Richard Guenther <rguenther@suse.de>
6727 PR tree-optimization/22525
6728 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6729 variable, adjust types of generated expressions.
6731 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6733 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6734 (tree-vect-patterns.o): Likewise.
6736 (cselib.o): Likewise.
6737 (loop-doloop.o): Likewise.
6738 (regclass.o): Likewise.
6739 (reload1.o): Likewise.
6740 (explow.o): Replace target.h with $(TARGET_H).
6741 (ipa-prop.o): Likewise.
6742 (ipa-cp.o): Likewise.
6743 (ipa-inline.o): Likewise.
6744 (reorg.o): Likewise.
6745 (reg-stack.o): Likewise.
6747 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6749 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6751 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6753 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6755 * configure.ac: Completely disregard languages that are not
6757 * configure: Regenerated.
6760 * c-common.h (c_build_bitfield_integer_type): Declare.
6761 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6762 * c-common.c (c_build_bitfield_integer_type): ... here.
6764 2006-04-23 Roger Sayle <roger@eyesopen.com>
6767 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6768 a SImode SUBREG of a floating point register after no_new_pseudos.
6770 2006-04-23 Roger Sayle <roger@eyesopen.com>
6772 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6773 identify potentially eliminable registers to additionally catch
6774 VIRTUAL_INCOMING_ARGS_REGNUM.
6775 (addsi3): Update the conditions on when to use addsi_small_int.
6777 2006-04-23 Roger Sayle <roger@eyesopen.com>
6780 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6781 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6782 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6784 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6786 * fold-const.c (range_predecessor): Use operand_equal_p
6787 as the predicate for equality.
6788 (range_successor): Likewise.
6790 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6793 * config/soft-fp/op-common.h: Fix a typo.
6795 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6798 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6799 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6801 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6803 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6805 * doc/tm.texi: Fix a typo.
6807 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6809 * dwarf2out.c (struct die_struct): Document that die_sib makes
6810 a circular linked list.
6811 (FOR_EACH_CHILD): New.
6812 (reverse_die_lists): Delete.
6813 (reverse_all_dies): Delete.
6814 (add_dwarf_attr): Correct documentation.
6815 (remove_child_with_prev): New.
6816 (remove_child_TAG): Update for change to die_struct, use
6817 remove_child_with_prev.
6818 (add_child_die): Update for change to die_struct.
6819 (splice_child_die): Use remove_child_with_prev and add_child_die.
6820 (print_die): Use FOR_EACH_CHILD.
6821 (die_checksum): Likewise.
6822 (assign_symbol_names): Likewise.
6823 (output_location_lists): Likewise.
6824 (build_abbrev_table): Likewise.
6825 (calc_die_sizes): Likewise.
6826 (mark_dies): Likewise.
6827 (unmark_dies): Likewise.
6828 (unmark_all_dies): Likewise.
6829 (output_die): Likewise.
6830 (prune_unused_types_mark): Likewise.
6831 (prune_unused_types_walk): Likewise.
6832 (same_die_p): Update for change to die_struct.
6833 (break_out_includes): Likewise.
6834 (prune_unused_types_prune): Likewise.
6835 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6836 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6838 (dwarf2out_finish): Don't call reverse_all_dies.
6840 2006-04-21 Eric Christopher <echristo@apple.com>
6842 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6843 in comments and function names.
6845 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6848 * c-typeck.c (digest_init): Robustify.
6850 * c-typeck.c (pop_init_level): Simplify.
6852 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6854 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6856 2006-04-21 Paul Brook <paul@codesourcery.com>
6858 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6859 hardware floating point.
6861 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6863 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6866 2006-04-21 Nick Clifton <nickc@redhat.com>
6868 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6871 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6874 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6875 C++ lang type in traceback table for Objective-C++.
6877 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6879 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6881 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6883 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6886 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6887 were errors. Remove check for erroneous objects.
6889 2006-04-20 Jeff Law <law@redhat.com>
6891 PR tree-optimization/26854
6892 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6893 checking for zero or one use.
6894 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6895 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6896 * tree-ssa-reassoc.c (negate_value): Similarly.
6897 (reassociate_bb): Similarly.
6899 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6901 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6902 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6903 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6905 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6907 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6908 fp regs if the last fp arg doesn't fit in regs.
6910 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6913 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6914 that the last insn has the REG_INC note.
6916 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6917 Nathan Sidwell <nathan@codesourcery.com>
6920 * stor-layout.c (update_alignment_for_field): Do not align
6922 (place_union_field): Place union field at the start of the union.
6923 (place_field): Move ERROR_MARK check later, and use the current
6924 allocation position to maintain monotonicity.
6926 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6928 * dominance.c: Include timevar.h.
6929 (calculate_dominance_info): Use TV_DOMINANCE.
6930 * timevar.def (TV_DOMINANCE): New timevar.
6931 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6933 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6935 PR rtl-optimization/14261
6936 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6937 move would be an INSV insn.
6938 (noce_process_if_block): Don't optimize if the destination is a
6939 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6941 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6943 * config/s390/s390.md: Add comments with the instructions emitted
6944 by an insn pattern if macros are used.
6946 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6948 PR rtl-optimization/26026
6949 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6950 is a known power of two shifted left a variable amount.
6952 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6954 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6955 to hash table twice when the debug_str section has SECTION_MERGE.
6957 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6959 * config/soft-fp: New directory. From glibc.
6960 * config/soft-fp/t-softfp: New.
6961 * config/soft-fp/README: New.
6962 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6963 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6964 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6965 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6966 * config.gcc: Use rs6000/t-fprules-fpbit or
6967 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6969 * config/rs6000/sfp-machine.h: New. Based on glibc.
6970 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6972 * config/rs6000/t-fprules: Remove fp-bit rules.
6973 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6974 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6975 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6976 (softfp_wrap_start, softfp_wrap_end): New.
6978 2006-04-18 DJ Delorie <dj@redhat.com>
6980 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6982 2006-04-18 Devang Patel <dpatel@apple.com>
6984 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6986 2006-04-18 Nick Clifton <nickc@redhat.com>
6988 * config/sh/t-symbian: Add rule to build sh-c.o
6989 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6990 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6991 (sh_symbian_encode_section_info): Likewise.
6993 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6995 * builtins.c (expand_builtin_strcmp): Cover label definition of
6996 do_libcall with HAVE_cmpstrnsi.
6998 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7000 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7002 * function.h (temp_slot_p): New.
7003 (function): Change the type of x_used_temp_slots to
7004 VEC(temp_slot_p,gc) *.
7006 2006-04-18 Nick Clifton <nickc@redhat.com>
7008 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7009 flag_strength_reduce.
7011 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7013 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7017 Partial revert of revision 112637
7018 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7019 Dale Johannesen <dalej@apple.com>
7022 * regclass.c (struct reg_pref): Update documentation.
7023 (regclass): Set prefclass to NO_REGS if memory is the best option.
7024 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7026 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7028 PR tree-optimization/26821
7029 * tree-ssa-math-opts.c (get_constant_one): New.
7030 (insert_reciprocals): Use it.
7032 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7034 * dwarf2out.c (free_AT): Delete.
7035 (remove_AT): Update string ref counts.
7036 (remove_child_TAG): Don't call free_die.
7038 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7039 or DW_TAG_GNU_EINCL.
7040 (prune_unused_types_walk_attribs): Reset string refcounts.
7041 (prune_unused_types_update_strings): New.
7042 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7043 call free_die. Do call prune_unused_types_update_strings.
7044 (prune_unused_types): Empty debug_str_hash.
7046 2006-04-17 Roger Sayle <roger@eyesopen.com>
7048 * expr.c (expand_assignment): Optimize away no-op moves where the
7049 source and destination are equal and have no side-effects.
7051 2006-04-17 Richard Guenther <rguenther@suse.de>
7054 * reload.c (push_reload): Guard calls to get_secondary_mem
7057 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7059 * alias.c (reg_base_value, old_reg_base_value): Change the
7060 type to VEC(rtx,gc) *.
7061 (REG_BASE_VALUE, find_base_value, record_set,
7062 init_alias_analysis): Use VEC instead of VARRAY.
7064 * alias.c (alias_sets): Change the type to
7065 VEC(alias_set_entry,gc) *.
7066 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7067 VEC instead of VARRAY.
7068 (last_alias_set): Remove.
7070 * cgraph.h (cgraph_edge_p): New.
7071 Update the prototype of cgraph_function_versioning.
7072 * cgraphunit.c (cgraph_copy_node_for_versioning,
7073 cgraph_function_versioning): Use VEC instead of VARRAY.
7074 * ipa-cp.c (ipcp_insert_stage): Likewise.
7076 2006-04-16 Roger Sayle <roger@eyesopen.com>
7079 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7080 "A op B" or "A op C", we may need to convert A to the type of B and C.
7082 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7084 * target.h (struct gcc_target): Add mode_rep_extended.
7085 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7086 (init_num_sign_bit_copies_in_rep): Initialize it using
7088 (truncate_to_mode): Use it.
7089 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7090 * targhooks.h (default_mode_rep_extended): Declare it.
7091 * targhooks.c (default_mode_rep_extended): Define it.
7092 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7093 default_mode_rep_extended.
7094 (TARGET_INITIALIZER): Include it.
7095 * doc/tm.texi (Misc): Document it.
7096 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7097 (mips_truncated_to_mode): New function.
7099 2006-04-16 Roger Sayle <roger@eyesopen.com>
7102 * expr.c (compress_float_constant): Copy the narrow constant into
7103 a new pseudo before extending it to its final width.
7105 2006-04-16 Roger Sayle <roger@eyesopen.com>
7106 Andrew Pinski <pinskia@gcc.gnu.org>
7107 Dale Johannesen <dalej@apple.com>
7110 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7111 special case code to implement V8HImode and V16QImode with SSE2.
7113 2006-04-15 Roger Sayle <roger@eyesopen.com>
7115 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7116 trees are constructed with a suitable tree type.
7118 2006-04-15 Roger Sayle <roger@eyesopen.com>
7120 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7121 (integer_onep): Likewise.
7122 (integer_all_onesp): Likewise.
7123 (integer_pow2p): Likewise.
7124 (integer_nonzerop): Likewise.
7125 (real_zerop): Likewise.
7126 (real_onep): Likewise.
7127 (real_twop): Likewise.
7128 (real_minus_onep): Likewise.
7129 (int_size_in_bytes): Likewise.
7130 (host_integerp): Likewise.
7132 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7134 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7135 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7136 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7138 * tree-ssa-structalias.h (alias_info): Remove num_references.
7140 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7142 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7143 (output_bvb patterns): Likewise.
7144 * pa.c (output_bb): Use 'bb' insn for long branch case.
7145 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7146 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7147 1. Correct length operand for alternatives 1 and 2.
7148 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7149 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7151 2006-04-14 Roger Sayle <roger@eyesopen.com>
7153 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7154 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7155 were accidentally reverted by r112959.
7157 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7160 * except.h (eh_region_outermost): New prototype.
7161 * except.c (eh_region_outermost): New function.
7162 * tree-cfg.c (find_outermost_region_in_block): Use it.
7164 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7166 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7168 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7169 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7170 (init_reload, reload): Use VEC instead of VARRAY.
7171 * reload.h: Update the prototype for
7172 reg_equiv_memory_loc_varray.
7174 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7175 Eric Botcazou <ebotcazou@libertysurf.fr>
7177 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7180 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7183 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7184 to expand fallback builtin function call.
7186 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7189 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7190 and emit libcall here in case the builtin fails.
7191 (expand_builtin_strcmp): Always emit the libcall here on failure.
7193 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7195 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7196 * flow.c (reg_n_info): Change the type to
7197 VEC(reg_info_p,heap) *.
7198 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7200 * regs.h (reg_info_p): New.
7201 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7202 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7203 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7206 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7208 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7210 * params.h (MAX_SCHED_READY_INSNS): New macro.
7211 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7212 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7213 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7214 the ready list for 1 cycle during the first scheduling pass.
7215 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7217 2006-04-13 Richard Henderson <rth@redhat.com>
7220 * gimple-low.c (lower_omp_directive): Remove dead code.
7221 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7222 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7223 * omp-low.c (struct omp_region): Move to tree-flow.h.
7224 (root_omp_region): Export.
7225 (omp_regions, lookup_omp_region): Remove.
7226 (determine_parallel_type): Update for struct omp_region changes.
7227 (dump_omp_region): Dump regions with block numbers.
7228 (new_omp_region): Take type and block instead of stmt; malloc
7230 (free_omp_region_1, free_omp_regions): New.
7231 (expand_parallel_call): Take entry_stmt as argument; update for
7232 changes to omp_region.
7233 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7234 (remove_exit_barriers): New.
7235 (expand_omp_parallel): Update for struct omp_region changes.
7236 (expand_omp_synch): Likewise.
7237 (expand_omp): Likewise.
7238 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7239 (expand_omp_for_static_chunk): Likewise.
7240 (expand_omp_for): Likewise.
7241 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7242 (expand_omp_sections): Similarly, with GOMP_sections_end.
7243 (expand_omp_single): New.
7244 (build_omp_regions_1): Update for OMP_CONTINUE.
7245 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7246 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7247 OMP_SECTIONS_SECTIONS.
7248 (lower_omp_single_simple): Don't emit barrier here.
7249 (lower_omp_single_copy): Likewise.
7250 (lower_omp_single): Fix bindings, and lower to straightline now.
7251 (lower_omp_master, lower_omp_ordered): Likewise.
7252 (lower_omp_critical): Likewise.
7253 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7254 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7255 omp edges, free it afterward.
7256 (make_omp_sections_edges): Remove.
7257 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7258 (move_stmt_r): Handle OMP_CONTINUE.
7259 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7260 statement pointers to basic blocks. Add type member.
7261 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7262 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7263 * tree-inline.c (estimate_num_insns_1): Likewise.
7264 * tree-pretty-print.c (dump_generic_node): Likewise.
7265 * tree-ssa-operands.c (get_expr_operands): Likewise.
7266 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7267 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7268 (OMP_CONTINUE): New.
7269 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7270 (OMP_SECTIONS_SECTIONS): Remove.
7271 (OMP_SECTION_LAST): New.
7272 (OMP_RETURN_NOWAIT): New.
7274 2006-04-13 Roger Sayle <roger@eyesopen.com>
7276 * fold-const.c (native_encode_vector, native_interpret_real):
7277 Correct obvious mistakes in the previous check-in.
7279 2006-04-13 Roger Sayle <roger@eyesopen.com>
7281 * fold-const.c (native_encode_expr): New function to encode
7282 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7283 or VECTOR_CST into a specified buffer.
7284 (native_encode_int): New function.
7285 (native_encode_real): New function.
7286 (native_encode_complex): New function.
7287 (native_encode_vector): New function.
7288 (native_interpret_expr): Inverse of native_encode_expr to convert
7289 a target representation into an INTEGER_CST, REAL_CST etc...
7290 (native_interpret_int): New function.
7291 (native_interpret_real): New function.
7292 (native_interpret_complex): New function.
7293 (native_interpret_vector): New function.
7294 (fold_view_convert_expr): New function to constant fold/evaluate
7295 a VIEW_CONVERT_EXPR of a suitable constant expression.
7296 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7297 Change call of build1 to fold_build1 when constructing a
7300 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7301 Ulrich Weigand <uweigand@de.ibm.com>
7304 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7307 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7310 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7311 optimize to lo_sum for DFmode if !TARGET_FPRS.
7313 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7315 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7316 delete_alias_info, compute_flow_sensitive_aliasing,
7317 group_aliases): Use VEC instead of VARRAY.
7318 * tree-ssa-structalias.c (update_alias_info): Likewise.
7319 * tree-ssa-structalias.h (alias_info): Change the type of
7320 processed_ptrs to VEC(tree,heap) *.
7322 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7325 * config/sh/lib1funcs.h: New file, broken out of:
7326 * config/sh/lib1funcs.asm.
7327 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7329 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7330 * config/sh/lib1funcs-Os-4-200.asm: New file.
7331 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7332 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7333 (EXTRA_MULTILIB_PARTS): Include it.
7334 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7335 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7336 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7337 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7340 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7342 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7343 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7344 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7346 * tree-ssa-live.h: Include vecprim.h.
7347 (tree_partition_associator_d): Change the type of
7348 first_partition to VEC(int,heap) *.
7349 (tpa_first_partition): Use VEC instead of VARRAY.
7351 * Makefile.in (GTFILES): Move functions.h after tree.h.
7352 * function.c (reset_block_changes, record_block_change,
7353 check_block_change, free_block_changes): Use VEC instead of
7355 * function.h (function): Change the type of
7356 ib_boundaries_block to VEC(tree,gc) *.
7357 * tree-inline.c (copy_cfg_body): Initialize
7358 ib_boundaries_block to NULL instead of (varray_type) 0.
7360 2006-04-12 Roger Sayle <roger@eyesopen.com>
7362 * expr.c (emit_group_store): Correct operand order in call to
7363 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7364 a SUBREG_BYTE of zero.
7366 2006-04-12 Richard Guenther <rguenther@suse.de>
7368 * profile.c (compute_branch_probabilities): Remove code
7369 encapsulated in !ir_type (), which are remanents of the
7370 removed RTL profiling code.
7371 * rtl-profile.c: Remove.
7373 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7375 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7376 magic NULL_RTX comment.
7377 (function_arg): Store entire fp arg to mem if any part should go
7379 (rs6000_arg_partial_bytes): Adjust for above change.
7381 2006-04-11 Roger Sayle <roger@eyesopen.com>
7383 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7384 if it hasn't been initialized by dwarf2out_init.
7386 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7388 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7389 symbolic constants in branch patterns.
7391 2006-04-11 Roger Sayle <roger@eyesopen.com>
7393 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7395 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7397 PR rtl-optimization/27073
7398 * gcse.c (try_replace_reg): Revert last change. Continue to search
7399 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7402 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7404 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7405 aggregate types other than record and union types.
7406 (function_arg): Likewise.
7407 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7409 (function_value): In 64-bit mode, return objects that require it
7412 2006-04-11 Roger Sayle <roger@eyesopen.com>
7414 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7416 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7418 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7420 2006-04-03 Jeff Law <law@redhat.com>
7423 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7424 alias information too.
7426 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7428 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7430 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7433 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7434 (premark_used_types_helper): New.
7435 (premark_used_types): New.
7436 (gen_subprogram_die): Call premark_used_types.
7437 (prune_unused_types_walk): Do not prune perennial dies.
7438 * function.c (used_types_insert): New.
7439 * function.h (struct function): Add used_types_hash field.
7440 (used_types_insert): Add prototype.
7441 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7442 * c-parser.c (c_parser_cast_expression): Save casted types in used
7445 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7448 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7449 rs6000_explicit_options.float_gprs.
7451 2006-04-10 Roger Sayle <roger@eyesopen.com>
7453 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7454 from ix86_expand_vector_init_low_nonzero. Take an additional
7455 one_var argument indicating which element is non-zero. Support
7456 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7457 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7458 with one_var instead of ix86_expand_vector_init_low_nonzero.
7460 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7462 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7463 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7464 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7465 build/genextract.o): Depend on vecprim.h.
7466 * cfglayout.c, df-problems.c, function.c, genextract.c,
7467 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7468 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7472 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7474 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7475 Declare VECs of this type.
7476 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7477 (remove_children): Delete.
7478 (add_dwarf_attr): Use VEC routines.
7479 (add_AT_flag): Update for changes to add_dwarf_attr.
7480 (add_AT_int): Likewise.
7481 (add_AT_unsigned): Likewise.
7482 (add_AT_long_long): Likewise.
7483 (add_AT_vec): Likewise.
7484 (add_AT_string): Likewise.
7485 (add_AT_die_ref): Likewise.
7486 (add_AT_fde_ref): Likewise.
7487 (add_AT_loc): Likewise.
7488 (add_AT_loc_list): Likewise.
7489 (add_AT_addr): Likewise.
7490 (add_AT_lbl_id): Likewise.
7491 (add_AT_lineptr): Likewise.
7492 (add_AT_macptr): Likewise.
7493 (add_AT_offset): Likewise.
7494 (add_AT_range_list): Likewise.
7495 (get_AT): Use VEC_iterate.
7496 (remove_AT): Use VEC_ordered_remove.
7497 (free_die): Fold remove_children into here; have it use VEC_iterate.
7498 (print_die): Use VEC_iterate on attrs.
7499 (reverse_die_lists): Don't reverse attr lists.
7500 (die_checksum): Use VEC_iterate on attrs.
7501 (same_die_p): Likewise.
7502 (output_location_lists): Likewise.
7503 (build_abbrev_table): Likewise.
7504 (size_of_die): Likewise.
7505 (unmark_all_dies): Likewise.
7506 (output_abbrev_section): Likewise.
7507 (output_die): Likewise.
7508 (prune_unused_types_walk_attribs): Likewise.
7510 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7512 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7514 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7517 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7519 2006-04-09 Roger Sayle <roger@eyesopen.com>
7521 * expr.c (store_constructor): Don't bother clearing target if
7522 we're about to assign a vector to it using vec_init_optab.
7524 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7526 * tree-ssa-alias.c (lhs_may_store_to): New function.
7527 (recalculate_used_alone): Handle LHS of calls.
7529 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7533 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7534 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7535 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7536 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7537 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7538 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7539 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7540 stubs. Add ".align 8" directives before all ".dword" directives.
7541 (GTHREAD_USE_WEAK): Revise comment.
7542 (TARGET_ATTRIBUTE_WEAK): Define.
7543 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7544 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7545 * stublib.c: New file.
7550 * pa.md (cbranch patterns): Revise arguments used in calls to
7551 output_cbranch, output_bb and output_bvd. Add long branch length
7553 (fbranch patterns): Handle long branches.
7554 (jump): Revise length check. Revise arguments for output_lbranch call.
7555 Add long branch length attributes.
7556 (decrement_and_branch_until_zero): Add long branch length attributes.
7557 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7558 Likewise. Revise arguments for output_parallel_addb and
7559 output_parallel_movb calls.
7560 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7561 output_parallel_movb and output_parallel_addb): Update prototypes.
7562 * pa.c (output_cbranch): Revise arguments. Correct handling of
7563 nullification in long branches.
7564 (output_lbranch): Add new argument to control extraction of delay
7566 (output_bb): Handle long branches.
7567 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7568 output_parallel_addb): Likewise.
7570 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7572 PR rtl-optimization/27073
7573 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7576 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7578 * tree.h (tree_memory_tag): Add old_used_alone.
7579 (SMT_OLD_USED_ALONE): New macro.
7580 * tree-ssa-alias.c (recalculate_used_alone): Stop
7581 marking things for renaming unnecessarily.
7583 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7585 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7586 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7587 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7588 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7589 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7590 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7591 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7592 spelling convensions.
7593 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7594 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7595 typos. Follow spelling conventions.
7597 2006-04-07 DJ Delorie <dj@redhat.com>
7599 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7600 passed on the stack.
7601 (m32c_init_cumulative_args): When a function returns a structure,
7602 always pass the pointer to that return area on the stack.
7603 (m32c_function_arg_advance): Don't increment the parameter number
7604 if we're processing the returned structure pointer.
7605 (pushm_info): Reverse order of registers.
7607 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7609 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7610 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7611 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7612 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7614 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7615 chrec_fold_multiply): Same.
7616 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7617 force_expr_to_var_cost): Same.
7618 * tree-mudflap.c (mf_xform_derefs_1): Same.
7619 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7621 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7623 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7624 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7627 2006-04-07 Jan Hubicka <jh@suse.cz>
7629 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7631 2006-04-07 Richard Guenther <rguenther@suse.de>
7633 PR tree-optimization/26135
7634 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7635 loads for store copy-prop.
7636 (copy_prop_visit_stmt): Likewise.
7638 2006-04-05 Robert Millan <robertmh@gnu.org>
7640 * config/i386/linux.h: Add a comment to mark macros that are
7641 being overriden in config/k*bsd-gnu.h.
7642 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7644 * config/knetbsd-gnu.h: Ditto.
7646 2006-04-06 Jan Hubicka <jh@suse.cz>
7650 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7653 2006-04-06 Mike Stump <mrs@apple.com>
7655 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7656 for HAVE_nonlocal_goto to be consistent.
7657 (expand_builtin_nonlocal_goto): Likewise.
7658 (expand_builtin_strcmp): Use #ifdef instead of #if
7659 for HAVE_cmpstrnsi to be consistent.
7661 2006-04-05 DJ Delorie <dj@redhat.com>
7663 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7666 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7668 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7669 got-relative addressing for anything but SImode.
7671 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7672 even if the calling function doesn't modify them.
7674 2006-04-05 Richard Guenther <rguenther@suse.de>
7676 PR tree-optimization/26919
7677 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7678 to cgraph_estimate_size_after_inlining.
7680 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7682 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7684 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7686 PR tree-optimization/26996
7687 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7688 VECTOR_TYPE variables.
7690 2006-04-05 Richard Guenther <rguenther@suse.de>
7692 PR tree-optimization/26763
7693 * fold-const.c (fold_comparison): Move folding of
7694 PTR + CST CMP PTR + CST ...
7695 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7697 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7699 * doc/install.texi (Prerequisites): Refine some wording on
7700 bootstrapping and ksh.
7701 Move the version numbers of DejaGnu here from the testing section
7702 and fix casing of names.
7703 Fix markup and clarify wording for autogen requirements.
7704 Refer to GCJ instead of just java.
7705 Refer to SVN instead of CVS.
7706 Describe diffutils as useful instead of necessary.
7707 (Downloading the source): Refer to SVN instead of CVS.
7708 Adjust a link to our web site accordingly.
7709 (Configuration): Fix casing of Bison.
7710 (Building): Refer to SVN instead of CVS.
7711 Fix a sentence on the use of Bison and remove duplicate (and
7712 incorrect) version number of Bison requirement.
7713 Remove one redundant list of packages needed for building.
7714 (Specific): Avoid reference to CVS.
7716 2006-04-04 Eric Christopher <echristo@apple.com>
7718 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7719 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7720 (rs6000_handle_struct_attribute): New.
7721 (rs6000_ms_bitfield_layout_p): Ditto.
7723 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7725 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7726 NULL for dso parameter to atexit_common.
7728 2006-04-04 Eric Christopher <echristo@apple.com>
7730 * config/i386/i386.c (machopic_output_stub): Output \t
7731 between instructions and operands.
7733 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7735 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7736 satisfies_constraint_[IL] to explicit tests on value.
7738 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7740 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7741 set_nb_iterations_in_loop): Use build_int_cst instead of
7743 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7744 build_int_cst instead of convert.
7746 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7748 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7749 new value 2 for incoming.
7750 * function.c (expand_function_start): Call struct_value_rtx
7752 * config/sparc/sparc.md: Comment updated_return.
7753 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7754 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7755 struct return if sparc_std_struct_return and incoming is 2.
7756 (print_operand): Do not adjust return if
7757 sparc_std_struct_return.
7759 2006-04-04 Roger Sayle <roger@eyesopen.com>
7761 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7762 convert in the middle-end.
7763 * expr.c (store_expr, store_constructor, get_inner_reference,
7764 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7766 * tree.c (build_range_type): Likewise.
7768 2006-04-04 Tom Tromey <tromey@redhat.com>
7770 * doc/install.texi (Prerequisites): Mention jar.
7772 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7774 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7777 2006-04-04 Matthias Klose <doko@debian.org>
7779 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7783 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7786 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7788 * doc/extend.texi (Function Attributes): Rewrite visibility
7789 attribute documentation.
7790 * doc/invoke.texi (C++ Dialect Options): Rewrite
7791 -fvisibility-inlines-hidden documentation to describe something
7792 entirely different, although in practise compatible.
7793 (Code Gen Options): Warn about system headers in -fvisibility=
7796 * doc/extend.texi (Other Builtins): Document that
7797 __builtin_nan is a compile-time constant only when its argument
7800 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7802 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7803 trying to remove TRUNCATE check if all bits outside the new mode
7804 are identical to the sign bit.
7806 2006-04-03 Jeff Law <law@redhat.com>
7808 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7809 and operand scanning in some common cases.
7811 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7812 Dale Johannesen <dalej@apple.com>
7815 * regclass.c (struct reg_pref): Update documentation.
7816 (regclass): Set prefclass to NO_REGS if memory is the best option.
7817 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7818 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7819 into account. For non-registers, equate an empty preferred
7820 reload class to a `!' in the constraint; move the if clause to
7821 do so after those that reject the insn.
7822 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7824 (find_dummy_reload): Likewise.
7825 * doc/tm.texi (Register Classes): Document what it means
7826 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7827 * config/i386/i386.c (ix86_preferred_reload_class): Force
7828 using SSE registers (and return NO_REGS for floating-point
7829 constants) if math is done with SSE.
7830 (ix86_preferred_output_reload_class): New.
7831 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7832 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7833 * config/i386/i386.md: Remove # register preferences.
7835 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7838 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7839 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7840 the type of nb_iter.
7841 (instantiate_parameters_1): Convert the operands before calling
7842 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7843 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7845 2006-04-02 Roger Sayle <roger@eyesopen.com>
7847 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7848 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7850 * dojump.c (do_jump): Likewise.
7851 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7852 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7853 gimplify_boolean_expr): Likewise.
7854 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7855 * varasm.c (array_size_for_constructor): Likewise.
7856 * tree-object-size.c (compute_object_offset): Likewise.
7858 2006-04-02 Roger Sayle <roger@eyesopen.com>
7861 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7862 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7864 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7866 PR tree-optimization/26939
7867 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7869 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7871 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7872 at_stmt. Convert the type of operands before calling
7873 build_polynomial_chrec.
7874 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7876 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7877 (instantiate_parameters_1): Convert the type of operands before calling
7878 build_polynomial_chrec.
7879 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7880 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7881 reset_evolution_in_loop): Insert asserts to check the types of the
7883 (chrec_type): Moved...
7884 (eq_evolutions_p): Use operand_equal_p.
7885 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7886 the types of the operands.
7887 (chrec_type): ...here.
7888 * tree-data-ref.c (create_data_ref): Convert the operands before
7889 calling chrec_replace_initial_condition.
7890 (same_access_functions, analyze_subscript_affine_affine,
7891 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7892 (compute_subscript_distance, analyze_ziv_subscript,
7893 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7894 analyze_miv_subscript): Convert the operands before calling
7895 chrec_fold_minus or chrec_fold_plus.
7897 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7899 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7900 the dependence_relations vector.
7901 (compute_data_dependences_for_loop): Adjust call to
7902 compute_all_dependences.
7904 2006-04-01 Roger Sayle <roger@eyesopen.com>
7905 Richard Henderson <rth@redhat.com>
7907 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7908 gimple_boolify on the condition before calling gimplify_expr.
7910 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7912 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7913 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7914 the frame size. Update to use the new macros.
7915 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7916 * config/xtensa/ieee754-df.S: Likewise.
7918 2006-03-31 Richard Henderson <rth@redhat.com>
7920 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7921 (make_edges): ... here. Control fallthru creation with a local
7922 variable. Do not play with fake edges.
7923 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7924 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7927 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7929 * dwarf2.h (DW64_CIE_ID): Define.
7930 * dwarf2out.c (DWARF_CIE_ID): Define.
7931 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7932 length header. Use DWARF_CIE_ID.
7933 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7934 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7936 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7938 * config/sh/linux-atomic.asm: New file.
7939 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7941 2006-03-31 DJ Delorie <dj@redhat.com>
7943 * config/m32c/cond.md: Set condition flags properly throughout.
7944 * config/m32c/minmax.md: Likewise.
7945 * config/m32c/prologue.md: Likewise.
7946 * config/m32c/bitops.md: Likewise.
7947 * config/m32c/muldiv.md: Likewise.
7948 * config/m32c/mov.md: Likewise.
7949 * config/m32c/addsub.md: Likewise.
7950 * config/m32c/m32c.md: Likewise.
7951 * config/m32c/jump.md: Likewise.
7952 * config/m32c/shift.md: Likewise.
7954 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7955 conditionally output the pattern for this.
7956 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7957 (m32c_compare_redundant): New.
7958 (m32c_output_compare): New.
7959 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7961 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7962 dest, not src. Allow other 4-byte modes.
7964 2006-03-30 Denis Chertykov <denisc@overta.ru>
7966 * doc/md.texi: Refer to avr/constraints.md instead of
7969 2006-03-30 Roger Sayle <roger@eyesopen.com>
7971 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7972 signed vs. unsigned comparison failures on some hosts.
7974 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7977 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7978 change to FLOAT_REGS.
7980 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7981 (rs6000_override_options): Use it.
7982 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7983 only for -mabi=spe/no-spe and -mabi=altivec.
7985 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7987 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7990 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7992 * Makefile.in: Rename docdir to gcc_docdir.
7994 2006-03-30 Roger Sayle <roger@eyesopen.com>
7997 * expr.c (emit_group_store): Optimize group stores into a pseudo
7998 register by using a paradoxical subreg to initialize the destination
7999 if the first or last member of the group specifies a "low part".
8001 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8004 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8005 * target.h (struct gcc_target.speculate_insn): Change type of the
8006 second parameter to 'int'.
8007 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8008 the second operand of the DEPS_LIST.
8009 (copy_DEPS_LIST_list): Update reference to the second operand of the
8011 * rtl.h (alloc_DEPS_LIST): Update signature.
8012 * sched-int.h (ds_t): Change typedef to 'int'.
8013 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8015 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8017 * haifa-sched.c (try_ready): Change condition to restore
8018 non-speculative pattern of the instruction.
8019 (process_insn_depend_be_in_spec): Code to keep probability of the
8020 speculative dependence non-decreasing.
8022 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8024 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8025 (single_move_for_movmem): ... this. Also change all uses.
8026 (bfin_expand_strmov): Renamed to...
8027 (bfin_expand_movmem): ... this. Also change all uses.
8028 * config/bfin/bfin.md (movstrsi): Renamed to...
8029 (movstrsi): ...this.
8031 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8033 PR tree-optimization/26830
8035 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8036 (copy_prop_visit_stmt): Remove write-only variable ann.
8037 (init_copy_prop): Check variable loop depth here. Do not simulate
8038 memory-tag and virtual operand PHIs except for store copy prop.
8040 2006-03-30 Richard Guenther <rguenther@suse.de>
8042 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8043 variants with double arguments.
8045 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8047 * genpreds.c (write_tm_constrs_h): Delete variable p.
8048 * genconditions.c (write_header): Add tm-constrs.h to included
8050 * genpeep.c (main): Add toplev.h to included headers.
8051 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8052 (build/genpeep.o): Add toplev.h dependency.
8053 * config/rs6000/constraints.md: Add "W" constraint.
8055 2006-03-29 Roger Sayle <roger@eyesopen.com>
8057 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8058 sizes by correctly testing whether the size fits a host integer.
8059 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8060 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8061 SImode range for the default sizetype and bitsizetype.
8063 2006-03-29 Roger Sayle <roger@eyesopen.com>
8065 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8066 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8067 quickly if the argument is already of the correct type.
8068 Call fold_build1 instead of build1. Tidy up blank lines.
8070 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8072 * genemit.c (main): Add tm-constrs.h to included headers.
8073 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8074 * genpeep.c (main): Add tm-constrs.h to included headers.
8075 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8076 (write_tm_constrs_h): this and write complete file.
8077 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8078 (write_insn_preds_c): Add tm-constrs.h to included headers.
8079 (gen_constrs): New variable.
8080 (parse_option): Parse "-c".
8081 (main): Invoke write_tm_constrs_h.
8082 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8083 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8084 (object_out_file): Add tm-constrs.h dependency.
8085 (insn-emit.o): Same.
8086 (insn-output.o): Same.
8087 (insn-peep.o): Same.
8088 (insn-preds.o): Same.
8089 (insn-recog.o): Same.
8090 (tm-constsr.h): New target.
8091 (s-constrs-h): New target.
8093 * config/rs6000/constraints.md: New file.
8094 * config/rs6000/rs6000.c: Include tm-constrs.h.
8095 (num_insn_constant_wide): Convert to satisfies_constraint.
8096 (rs6000_rtx_costs): Convert to satisfies_constraint.
8097 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8098 (CONST_OK_FOR_LETTER_P): Delete.
8099 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8100 (EXTRA_CONSTRAINT): Delete.
8101 (EXTRA_MEMORY_CONSTRAINT): Delete.
8102 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8103 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8104 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8105 satisfies_constraint.
8107 * config/i386/i386.c: Include tm-constrs.h.
8109 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8111 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8112 * tree-data-ref.c (find_data_references_in_loop,
8113 compute_data_dependences_for_loop): Use pointers to VEC.
8114 (analyze_all_data_dependences): Adjust calls.
8115 * tree-data-ref.h (find_data_references_in_loop,
8116 compute_data_dependences_for_loop): Adjust declarations.
8117 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8118 compute_data_dependences_for_loop.
8120 2006-03-29 Paul Brook <paul@codesourcery.com>
8122 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8125 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8127 PR tree-optimization/26859
8128 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8130 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8131 for the step after fold_convert.
8133 2006-03-29 Paul Brook <paul@codesourcery.com>
8135 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8136 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8138 2006-03-29 Paul Brook <paul@codesourcery.com>
8141 * targhooks.c (default_narrow_bitfield): New fuction.
8142 * targhooks.h (default_narrow_bitfield): add prototype.
8143 * target.h (gcc_target): Add narrow_volatile_bitfield.
8144 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8145 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8146 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8147 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8149 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8151 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8153 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8154 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8155 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8156 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8157 (s390_function_arg_float): Allow SDmode and DDmode values to be
8158 passed in floating point registers.
8159 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8160 check with SCALAR_FLOAT_MODE_P.
8161 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8163 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8165 PR tree-optimization/25985
8166 * tree-ssa-loop-niter.c (number_of_iterations_le,
8167 number_of_iterations_ne): Make comments more precise.
8168 (number_of_iterations_cond): Add only_exit argument. Use the
8169 fact that signed variables do not overflow only when only_exit
8171 (loop_only_exit_p): New.
8172 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8173 number_of_iterations_cond.
8175 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8177 PR tree-optimization/26643
8178 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8181 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8183 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8184 (divsi3_i4_int): Likewise.
8186 2006-03-28 Roger Sayle <roger@eyesopen.com>
8188 * expr.c (emit_group_store): Only create a new pseudo reg if the
8189 quantity it needs to hold isn't already a suitable pseudo.
8191 2006-03-28 Jeff Law <law@redhat.com>
8193 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8194 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8196 2006-03-28 Roger Sayle <roger@eyesopen.com>
8198 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8199 the equivalent ~X & Y, and the symmetry related transformations.
8200 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8201 ~X & Y, and symmetry related transforms.
8203 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8205 Revert my 2006-03-27 patches.
8207 2006-03-28 Roger Sayle <roger@eyesopen.com>
8209 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8210 ~(T1)X, when T1 and T2 are integer types of the same precision
8211 and (T2)X isn't an extension.
8213 2006-03-28 Jeff Law <law@redhat.com>
8215 PR tree-optimization/26796
8216 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8217 need EH edge cleanups rather than purging them immediately.
8218 (eliminate_degenerate_phis): Handle queued EH cleanups.
8220 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8222 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8225 2006-03-27 Roger Sayle <roger@eyesopen.com>
8228 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8229 cast BIT_NOT_EXPR operand to the correct type.
8231 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8233 * tree-loop-linear.c: Don't include varray.h.
8234 (gather_interchange_stats, try_interchange_loops,
8235 linear_transform_loops): Use VEC instead of VARRAY.
8236 * lambda-mat.c: Don't include varray.h.
8237 * tree-chrec.c: Same.
8238 * lambda-trans.c: Same.
8239 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8240 VEC instead of VARRAY.
8241 * tree-vectorizer.h: Idem.
8242 * tree-data-ref.c (dump_data_references,
8243 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8244 initialize_data_dependence_relation, finalize_ddr_dependent,
8245 compute_all_dependences, find_data_references_in_loop,
8246 compute_data_dependences_for_loop, analyze_all_data_dependences,
8247 free_dependence_relation, free_dependence_relations,
8248 free_data_refs): Idem.
8249 * tree-data-ref.h (data_reference_p, subscript_p): New.
8250 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8251 VEC instead of VARRAY.
8252 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8253 (find_data_references_in_loop, compute_data_dependences_for_loop,
8254 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8255 dump_data_dependence_relations, free_dependence_relations,
8256 free_data_refs): Adjust declaration.
8257 (lambda_transform_legal_p): Move declaration here...
8258 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8259 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8260 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8261 vect_analyze_data_refs): Use VEC instead of VARRAY.
8262 * lambda.h (lambda_transform_legal_p): ...from here.
8263 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8264 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8265 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8266 tree-chrec.o): Don't depend on VARRAY_H.
8268 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8270 * rtl.def (Copyright): Update date.
8271 (DEPS_LIST): Change type of the second operand to 'int'.
8272 * target.h (Copyright): Update date.
8273 (struct gcc_target.speculate_insn): Change type of the second parameter
8275 * lists.c (Copyright): Update date.
8276 (alloc_DEPS_LIST): Change signature. Update reference to the second
8277 operand of the DEPS_LIST.
8278 (copy_DEPS_LIST_list): Update reference to the second operand of the
8280 * rtl.h (Copyright): Update date.
8281 (alloc_DEPS_LIST): Update signature.
8282 * sched-int.h (Copyright): Update date.
8283 (ds_t): Change typedef to 'int'.
8284 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8286 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8288 * haifa-sched.c (Copyright): Update date.
8289 (try_ready): Change condition to restore non-speculative pattern
8291 (process_insn_depend_be_in_spec): Code to keep probability of the
8292 speculative dependence non-decreasing.
8294 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8296 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8297 shut up the compiler.
8299 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8301 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8302 to use lib prefix for target.
8303 ($(T)libic_invalidate_array_4-200.a): Likewise.
8304 ($(T)libic_invalidate_array_4a.a): Likewise.
8306 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8307 J"orn Rennecke <joern.rennecke@st.com>
8309 * superh.opt: New file.
8310 * sh.c (boardtype, osruntime): Remove.
8311 * superh.h (SUBTARGET_OPTIONS): Remove.
8312 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8314 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8315 arguments with ^ and/or [].
8317 * config.gcc (sh-*-*): Add quoting to account for quirk of
8319 Replace == with = in enable_incomplete_targets test.
8321 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8322 with MASK_LITTLE_ENDIAN.
8324 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8325 * config/sh/sh.opt: Added to some comments.
8326 * config/sh/superh.h: Removed some chaff.
8328 * config/sh/sh.opt: Add m4-[1234]00* options.
8329 * config/sh/sh.c (sh_handle_option): Likewise.
8330 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8331 (ic_invalidate_array_4-100.o): New rule.
8332 ($(T)libic_invalidate_array_4-100.a): Likewise.
8333 (ic_invalidate_array_4-200.o): Likewise.
8334 ($(T)libic_invalidate_array_4-200.a): Likewise.
8335 (ic_invalidate_array_4a.o): Likewise.
8336 ($(T)libic_invalidate_array_4a.a): Likewise.
8337 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8338 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8340 * config/sh/crt1.asm: Merged in profiling code.
8341 * config/sh/superh.h (STARTFILE_SPEC): Override.
8342 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8343 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8344 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8346 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8347 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8348 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8350 * sh.opt (mpretend-cmove): New option.
8351 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8352 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8353 (movsicc): Add TARGET_PRETEND_CMOVE code.
8355 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8357 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8358 s390_class_max_nregs): New function prototypes.
8359 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8360 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8361 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8362 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8364 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8366 * dwarf2out.c (add_location_or_const_value_attribute): Call
8367 tree_add_const_value_attribute if nothing else works.
8368 (reference_to_unused): New.
8369 (rtl_for_decl_init): Use reference_to_unused to decide whether
8370 to output an initializer.
8372 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8375 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8376 peephole removing spe frob_di_df_2.
8378 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8380 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8381 (subscript_dependence_tester_1): Declared.
8382 (print_dir_vectors, print_dist_vectors): New.
8383 (debug_data_dependence_relation): New.
8384 (dump_data_dependence_relation): Print more details.
8385 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8386 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8387 (save_dist_v, save_dir_v, add_outer_distances,
8388 build_classic_dist_vector_1): New.
8389 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8390 Don't test for lambda_vector_lexico_pos.
8391 (same_access_functions, add_multivariate_self_dist,
8392 add_other_self_distances, dir_from_dist): New.
8393 (build_classic_dir_vector): Replace implementation almost identical to
8394 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8396 (subscript_dependence_tester_1): New.
8397 (subscript_dependence_tester): Handle the lexicographically negative
8398 distance vectors by recomputing the dependence relation.
8399 (compute_affine_dependence): Remove parameter loop_nest_depth.
8400 (compute_self_dependence): Don't call compute_subscript_distance.
8401 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8402 Add a parameter for the loop_nest.
8403 (find_loop_nest_1, find_loop_nest): New.
8404 (compute_data_dependences_for_loop): Compute the loop nest, and give
8405 up if the nest is not well formed.
8406 * tree-data-ref.h (loop_p): New.
8407 (struct data_dependence_relation): Replace size_vect field with
8408 loop_nest, a vec of loops.
8409 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8410 (DDR_LOOP_NEST): New.
8411 (print_dir_vectors, print_dist_vectors,
8412 debug_data_dependence_relation): Declared.
8413 (index_in_loop_nest): New.
8414 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8415 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8418 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8420 * simplify-rtx.c (simplify_relational_operation): Call
8421 simplify_relational_operation_1 even if mode is VOIDmode.
8423 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8425 PR tree-optimization/26804
8426 * tree.h (DECL_CALL_CLOBBERED): New macro.
8427 (tree_decl_common): Add call_clobbered_flag.
8428 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8429 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8430 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8431 (mark_non_addressable): Ditto.
8432 * tree-ssa.c (verify_call_clobbered): New function.
8433 (verify_alias_info): Use it.
8434 * tree-pass.h (pass_reset_cc_flags): New prototype.
8435 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8436 (reset_cc_flags): New function.
8437 * passes.c (init_optimization_passes): Call reset_cc_flags after
8438 initializing referenced_vars.
8440 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8441 Roger Sayle <roger@eyesopen.com>
8444 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8445 to 1.0 for non-real operands. Implement A / A optimization for
8448 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8450 * config/i386/i386.c (size_cost): Correct the comment for
8451 cost of storing fp registers.
8452 (i386_cost): Likewise.
8453 (i486_cost): Likewise.
8454 (pentium_cost): Likewise.
8455 (pentiumpro_cost): Likewise.
8456 (k6_cost): Likewise.
8457 (athlon_cost): Likewise.
8458 (k8_cost): Likewise.
8459 (pentium4_cost): Likewise.
8460 (nocona_cost): Likewise.
8461 (generic64_cost): Likewise.
8462 (generic32_cost): Likewise.
8464 2006-03-24 Denis Chertykov <denisc@overta.ru>
8466 * config/avr/avr-protos.h (extra_constraint): Delete.
8467 (extra_constraint_Q): New declaration.
8468 * config/avr/constraints.md: New file.
8469 * config/avr/avr.md: Include it.
8470 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8471 (TMP_REGNO, ZERO_REGNO): Likewise.
8472 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8473 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8474 (extra_constraint): Delete.
8475 (extra_constraint_Q): Test for memory constraint 'Q'.
8476 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8477 (REG_CLASS_FROM_LETTER): Delete.
8478 (CONST_OK_FOR_LETTER_P): Delete.
8479 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8480 (EXTRA_CONSTRAINT): Delete.
8481 (TMP_REGNO): Delete.
8482 (ZERO_REGNO): Delete.
8484 2006-03-24 Jeff Law <law@redhat.com>
8486 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8487 directly. Call mark_new_vars_to_rename slightly earlier.
8489 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8491 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8493 (gen_compile_unit_die): Use new language types for Objective-C and
8495 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8496 DW_LANG_C_plus_plus.
8499 * config/t-darwin (crt3.o): Work around bug 26840.
8500 * config/darwin-crt3.c: Rewrite.
8501 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8503 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8505 * doc/invoke.texi: Document -femit-class-debug-always
8506 * common.opt: Add -femit-class-debug-always.
8508 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8510 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8511 index and base register.
8512 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8513 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8514 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8515 REGNO_OK_FOR_INDEX_P.
8516 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8518 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8519 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8520 REG_OK_FOR_BASE_P): Definitions removed.
8522 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8525 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8526 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8527 set yet or weren't marked as local yet.
8529 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8531 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8534 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8536 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8537 (rs6000_legitimate_small_data_p): Delete.
8538 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8539 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8540 and make static. Add forward declaration. Update uses.
8541 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8542 of offsettable_memref_p.
8543 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8544 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8546 2006-03-24 Jeff Law <law@redhat.com>
8548 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8549 around bug in immediate-use iterator.
8551 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8554 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8555 or __LITTLE_ENDIAN__.
8557 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8559 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8560 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8561 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8562 * config/sh/sh.opt (mdiv=): Amend description.
8563 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8564 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8565 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8566 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8567 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8568 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8569 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8570 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8571 TARGET_DIVIDE_CALL_FP.
8573 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8575 * haifa-sched.c (choose_ready): Fix type of the local variable.
8576 Move local variables. Add comment.
8577 (check_reg_live): Change signature. Make callable from debugger.
8578 * sched-int.h (check_reg_live): Update signature.
8579 * sched-ebb.c (check_reg_live): Update parameters.
8580 * sched-rgn.c (check_reg_live): Ditto.
8581 (region_head_or_leaf_p): Check pointer before dereferencing.
8582 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8583 before reload on optimization levels below 1.
8585 2006-03-23 Richard Henderson <rth@redhat.com>
8587 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8591 * config/alpha/predicates.md (local_symbolic_operand): Reject
8594 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8597 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8598 expressions which have overflowed constants.
8600 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8602 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8604 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8606 * cfgloopmanip.c (create_loop_notes): Removed.
8607 * final.c (final_scan_insn): Do not handle loop notes.
8608 * jump.c (squeeze_notes): Ditto.
8609 * cfglayout.c (skip_insns_after_block,
8610 duplicate_insn_chain): Ditto.
8611 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8613 * cfgloop.h (create_loop_notes): Declaration removed.
8615 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8617 * varasm.c (output_constant_pool): Restore fnname and fndecl
8619 (assemble_start_function): Adjust call accordingly.
8620 (assemble_end_function): Likewise.
8622 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8625 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8628 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8630 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8633 * system.h (ICE_EXIT_CODE): New macro.
8634 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8635 (diagnostic_action_after_output): Likewise.
8636 * gcc.c (fatal_ice): New function.
8637 (execute): Use it instead of fatal.
8638 (fancy_abort): Likewise.
8639 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8641 2006-03-22 Jeff Law <law@redhat.com>
8643 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8644 iv_analyze_result returning false.
8646 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8648 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8650 2006-03-22 Richard Henderson <rth@redhat.com>
8653 * except.c (duplicate_eh_regions_0): New.
8654 (duplicate_eh_region_1): Duplicate the children of the node as
8655 well as the node itself. Link them up properly.
8656 (duplicate_eh_region_2): Merge into ...
8657 (duplicate_eh_regions): ... here. Take copy_region argument, and
8658 copy only a sub-tree if asked. Simplify copying and fixup.
8659 (eh_region_outer_p): New.
8660 * except.h (duplicate_eh_regions): Update decl.
8661 (eh_region_outer_p): Declare.
8662 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8663 (lower_omp_master): Likewise.
8664 (lower_omp_ordered): Likewise.
8665 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8666 (move_stmt_r): Use it to remap labels. Handle recursion vs
8667 remap_decls_p properly.
8668 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8669 (find_outermost_region_in_block): New.
8670 (new_label_mapper): New.
8671 (move_sese_region_to_fn): Copy eh information to the new function
8673 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8675 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8678 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8680 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8681 into shared libraries.
8683 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8685 * doc/md.texi: Refer to i386/constraints.md instead of
8687 * config/i386/constraints.md: New file, extracted from...
8688 * config/i386/predicates.md: ...here.
8689 * config/i386/i386.md: Include constraints.md.
8691 2006-03-21 Jason Merrill <jason@redhat.com>
8693 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8696 * expr.c (init_block_move_fn): Force default visibility.
8697 (init_block_clear_fn): Likewise.
8698 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8699 * targhooks.c (default_external_stack_protect_fail): Likewise.
8701 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8703 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8704 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8705 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8706 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8707 (loadgp): Use mips_current_loadgp_style.
8708 (loadgp_noshared): New pattern.
8709 (sibcall_internal): Use MIPS_CALL.
8710 (sibcall_value_internal): Likewise.
8711 (sibcall_value_multiple_internal): Likewise.
8712 (call_internal): Likewise.
8713 (call_value_internal): Likewise.
8714 (call_value_multiple_internal): Likewise.
8715 (call_split): Use MIPS_CALL and add an 'S' constraint.
8716 (call_value_split): Likewise.
8717 (call_value_multiple_split): Likewise.
8718 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8719 (-mshared): New option.
8720 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8721 (mips_current_loadgp_style): Declare.
8722 * config/mips/mips.c (mips_classify_symbol): Avoid using
8723 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8724 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8725 TARGET_ABSOLUTE_ABICALLS.
8726 (override_options): Adjust comments. Improve the warning that is
8727 issued when -mabicalls and -G are used together.
8728 (mips_file_start): Remove comment.
8729 (mips_current_loadgp_style): New function.
8730 (mips_gnu_local_gp): New variable.
8731 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8733 (mips_output_function_prologue): Use mips_current_laodgp_style.
8734 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8735 the cprestore instruction.
8736 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8737 live for TARGET_ABSOLUTE_ABICALLS.
8738 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8739 (ASM_SPEC): Pass down -mshared and -mno-shared.
8740 (MIPS_CALL): New macro.
8741 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8743 * doc/invoke.texi (-mabicalls): Update documentation.
8744 (-mshared): Document.
8746 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8748 * config/ia64/unwind-hpux.c: New file.
8749 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8751 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8754 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8756 2006-03-21 Jeff Law <law@redhat.com>
8758 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8759 type conversions of a VR_VARYING source to a wider type.
8761 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8763 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8764 tm_file on Solaris 10 and later.
8765 (sparc64-*-solaris2*): Likewise.
8766 (sparc-*-solaris2*): Likewise.
8767 * config/sol26.h: Rename to config/sol2-6.h.
8768 * config/sol2-10.h: New file.
8770 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8773 * tree-ssa-pre.c (create_component_ref_by_pieces):
8776 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8779 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8780 return it immediately.
8782 2006-03-21 Michael Matz <matz@suse.de>
8784 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8786 (remove_arc, add_arc): Update num_out_arcs member.
8787 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8789 (cache_presence): New function.
8790 (compare_states_for_equiv): New function.
8791 (state_is_differed): Don't take number of outargs, adjust callers.
8792 Use new invariant for speeding up.
8793 (init_equiv_class): Create initial classes based on sorted
8795 (partition_equiv_class): Don't track out_arcs_num.
8796 (evaluate_equiv_classes): Call cache_presence on all states and
8799 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8801 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8802 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8803 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8804 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8806 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8807 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8808 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8809 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8810 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8812 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8813 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8814 (REGNO_REG_CLASS): ARGP is in PREGS.
8815 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8817 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8818 to deal with those addresses.
8819 * addresses.h: New file.
8820 * caller-save.c: Include "addresses.h".
8821 (init_caller_save): Use new base_reg_class function.
8822 * rtl-factoring.c: Include "addresses.h".
8823 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8824 * recog.c: Include "addresses.h".
8825 (preprocess_constraints): Use new base_reg_class function.
8826 * regrename.c: Include "addresses.h".
8827 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8828 functions. Keep track of a new var INDEX_CODE to compute valid
8830 (replace_oldest_value_addr): Likewise.
8831 (replace_oldest_value_mem): Use base_reg_class.
8832 * reload.c: Include "addresses.h".
8833 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8834 (find_reloads): Use new base_reg_class function.
8835 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8836 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8837 all callers and prototype changed.
8838 * reload1.c: Include "addresses.h".
8839 (maybe_fix_stack_asms): Use base_reg_class.
8840 * regclass.c: Include "addresses.h".
8841 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8842 (init_reg_autoinc): Use new base_reg_class function.
8843 (record_reg_classes): Likewise.
8844 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8845 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8846 Use new args to compute necessary class.
8848 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8849 regrename.o, rtl-factoring.o): Update dependencies.
8850 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8851 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8852 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8853 REG_OK_FOR_INDEX_P): Delete documentation.
8855 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8857 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8858 from V7 to V9 for Solaris 7 and above.
8860 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8862 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8863 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8864 argument pointers may not alias any other storage.
8865 * common.opt: Define option -fargument-noalias-anything.
8866 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8867 alias semantics is specified by flag_argument_noalias > 2.
8869 2006-03-20 Jeff Law <law@redhat.com>
8871 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8872 (pass_phi_only_cprop): Declare.
8873 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8875 * tree-ssa-dom.c (degenerate_phi_result): New function.
8876 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8877 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8878 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8879 (eliminate_degenerate_phis): Likewise.
8880 (pass_phi_only_cprop): New pass descriptor.
8881 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8882 support code. Callers updated.
8883 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8884 (store_copy_prop): Likewise.
8885 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8887 2006-03-20 Jason Merrill <jason@redhat.com>
8890 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8891 (push_visibility, pop_visibility): Likewise.
8892 * c-pragma.h: Declare them.
8894 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8896 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8898 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8899 parameter and use get_ebb_head_tail.
8900 (sh_md_init_global): Adjust uses of find_regmode_weight.
8902 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8904 * function.h (struct function) <x_tail_recursion_reentry>:
8905 Rename to x_stack_check_probe_note.
8906 (tail_recursion_reentry): Rename to stack_check_probe_note.
8907 * function.c: Replace tail_recursion_reentry with
8908 stack_check_probe_note everywhere.
8909 (expand_function_start): Only emit a note for
8910 stack_check_probe_note with -fstack-protect.
8911 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8913 * emit-rtl.c (remove_unnecessary_notes): Remove.
8914 (pass_remove_unnecessary_notes): Remove.
8915 * rtl.h (remove_unnecessary_notes): Remove prototype.
8916 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8917 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8918 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8920 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8923 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8924 (valid_in_set): Handle ARRAY_REF.
8925 Change "if min_variant or VH" to asserts.
8926 (create_component_ref_by_pieces): Handle ARRAY_REF.
8927 (create_expression_by_pieces): Likewise.
8928 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8930 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8932 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8933 is operand of switch, not str[0].
8935 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8937 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8938 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8940 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8942 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8943 end of insn_extra_address_constraint declaration.
8945 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8947 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8948 (no-sum-in-toc): Same.
8949 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8951 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8952 NO_FP_IN_TOC for -fPIC instead of mask.
8954 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8955 (BOOT_LDFLAGS): Delete.
8957 * config/rs6000/t-aix52: Same.
8959 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8960 (stmsi[345678]_power): New.
8962 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8964 * config/ia64/ia64.opt: Add empty line to end of file.
8966 2006-03-17 Richard Guenther <rguenther@suse.de>
8969 * builtins.c (get_pointer_alignment): For component style references
8970 adjust alignment to the component type alignment. Make sure
8971 to adjust alignment for component access of constants.
8973 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8975 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8978 2006-03-17 Paul Brook <paul@codesourcery.com>
8980 * doc/install.texi: Docuemnt --with-mode.
8981 * config.gcc: Add --with-mode for arm*-*-*.
8982 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8984 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8986 * sh.c (max_labelno_before_reorg): New variable.
8987 (sh_reorg): Initialize it.
8988 (find_barrier): Check max_labelno_before_reorg before using
8989 label_to_alignment. Take length of explicit alignment insns
8990 into account. When seeing a UNSPECV_CONST_END, return it.
8992 * sh.c (fixup_mova): Set mode of affected label to QImode.
8993 (untangle_mova): New function.
8994 (find_barrier): Use it. Check mode of label before decrementing
8996 (sh_reorg): Likewise.
8997 Set mode of all insns back to VOIDmode.
8999 * sh.c (MOVA_LABELREF): New macro.
9000 (mova_p, fixup_mova, sh_reorg): Use it.
9001 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9002 ADDR_DIFF_VEC matches mova.
9004 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9006 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9007 with ATTRIBUTE_UNUSED.
9009 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9011 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9012 pointer, instead of assuming it is possible to derive the
9013 correct args size from a call insn.
9015 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9017 * rtl.h (CONST_INT_P): Define.
9018 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9019 instead of GET_CODE(x) == CONST_INT.
9020 (vax_rtx_costs): Likewise.
9021 (vax_output_int_move): Likewise.
9022 (vax_output_int_add): Likewise.
9023 (legitimate_constant_address_p): Likewise.
9024 (index_term_p): Likewise.
9025 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9026 * config/vax/vax.md (and<mode>3): Likewise.
9027 (ashrsi3): Likewise.
9029 (movstricthi): Likewise.
9030 (movstrictqi): Likewise.
9031 (rotrsi3): Likewise.
9032 (five unnamed insns): Likewise.
9034 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9036 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9037 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9038 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9039 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9040 Pass to ASM_OUTPUT_DWARF_OFFSET.
9041 * dwarf2out.c (debug_frame_section): New.
9042 (output_call_frame_info): Use debug_frame_section. Pass it to
9043 dw2_asm_output_offset.
9044 (output_die): Pass appropriate section to dw2_asm_output_offset.
9045 (output_compilation_unit_header): Likewise.
9046 (output_pubnames): Likewise.
9047 (output_aranges): Likewise.
9048 (enum dw_val_class): Break dw_val_class_lbl_offset into
9049 dw_val_class_lineptr and dw_val_class_macptr.
9050 (add_AT_lbl_offset): Delete.
9051 (add_AT_lineptr): New.
9052 (add_AT_macptr): New.
9053 (AT_lbl): Expect a lineptr or macptr.
9054 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9055 (attr_checksum): Likewise.
9056 (same_dw_val_p): Likewise.
9057 (size_of_die): Likewise.
9058 (value_format): Likewise.
9059 (output_die): Likewise.
9060 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9062 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9063 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9064 * config/darwin-protos.h (darwin_file_start): New.
9065 (darwin_asm_output_dwarf_offset): New.
9066 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9067 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9069 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9070 if not EH section; simplify.
9071 (darwin_file_start): New.
9072 (darwin_asm_output_dwarf_offset): New.
9073 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9075 (DEBUG_INFO_SECTION): Likewise.
9076 (DEBUG_ABBREV_SECTION): Likewise.
9077 (DEBUG_ARANGES_SECTION): Likewise.
9078 (DEBUG_MACINFO_SECTION): Likewise.
9079 (DEBUG_LINE_SECTION): Likewise.
9080 (DEBUG_LOC_SECTION): Likewise.
9081 (DEBUG_PUBNAMES_SECTION): Likewise.
9082 (DEBUG_STR_SECTION): Likewise.
9083 (DEBUG_RANGES_SECTION): Likewise.
9084 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9085 (ASM_OUTPUT_DWARF_OFFSET): New.
9087 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9089 * config.gcc (tm_defines): Always add to previous value rather
9092 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9094 * config/mips/predicates.md (splittable_const_int_operand): New,
9095 split from move_operand.
9096 (splittable_symbolic_operand): New.
9097 (move_operand): Add commentary. Use splittable_const_int_operand.
9098 Inline mips_atomic_symbolic_constant_p.
9099 * config/mips/mips.md: Add combine splitters for handling moves
9100 of splittable_const_int_operands and splittable_symbolic_operands.
9101 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9102 (mips_split_symbol): Declare.
9103 (mips_move_integer): Declare.
9104 * config/mips/mips.c (mips_split_p): Make global.
9105 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9106 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9107 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9108 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9109 (mips_offset_within_object_p): Handle block symbols.
9110 (mips_atomic_symbolic_constant_p): Delete.
9111 (mips_cannot_force_const_mem): Return false for constants that
9112 mips_legitimize_move can handle.
9113 (mips_use_blocks_for_constant_p): New function.
9114 (mips_split_symbol): Make global.
9115 (mips_move_integer): Likewise. Add a temporary register argument.
9116 (mips_legitimize_const_move): Use splittable_const_int_operand and
9117 splittable_symbolic_operand.
9118 (mips_use_anchors_for_symbol_p): New function.
9119 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9120 (mips_split_p): Declare.
9122 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9124 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9125 (mips*-*-linux*): Likewise.
9127 2006-03-16 Roger Sayle <roger@eyesopen.com>
9128 Daniel Speyer <dspeyer@wam.umd.edu>
9131 * tree-dump.c (dump_real): New function.
9132 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9133 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9134 (tree-dump.o): Add $(REAL_H) to the dependencies.
9136 2006-03-16 Roger Sayle <roger@eyesopen.com>
9139 * real.c (real_from_string): If the mantissa is zero, don't bother
9140 parsing the exponent as the result should always be zero.
9142 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9144 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9146 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9148 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9149 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9150 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9151 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9152 ia64_sched_finish_global): New static functions to implement
9153 hooks from gcc_target.sched.
9154 (spec_check_no, max_uid, pending_data_specs): New static variables.
9155 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9156 ia64_spec_check_src_p): New static functions.
9157 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9158 (TARGET_SCHED_ADJUST_COST): Removed.
9159 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9160 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9161 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9162 TARGET_SCHED_GEN_CHECK,
9163 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9164 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9165 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9166 Fixed to handle speculation checks.
9167 (rtx_needs_barrier): Fixed to handle speculative loads and
9169 (ia64_variable_issue): Added code to count speculative loads and their
9171 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9173 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9175 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9177 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9178 (ia64_reorg): Reset stops_p to NULL after it is freed.
9179 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9180 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9181 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9183 (data_speculative, control_speculative, check_load): New attributes.
9184 (mov<mode>_advanced, mov<mode>_speculative,
9185 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9186 zero_extend<mode>di2_speculative,
9187 zero_extend<mode>di2_speculative_advanced): New patterns for
9188 data and control speculative loads.
9189 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9191 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9192 New pattern for data and control speculation checks.
9193 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9194 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9195 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9196 Auxiliary definitions for the patterns.
9197 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9198 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9200 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9202 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9203 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9204 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9205 New resource constraints.
9206 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9208 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9209 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9210 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9211 msched-in-control-spec, msched-ldc, msched-control-ldc,
9212 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9213 msched-prefer-non-control-spec-insns,
9214 msched-count-spec-in-critical-path): New flags to tune speculative
9216 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9217 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9218 msched-in-control-spec, msched-ldc, msched-control-ldc,
9219 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9220 msched-prefer-non-control-spec-insns,
9221 msched-count-spec-in-critical-path): Document new flags.
9223 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9225 * target.h (struct spec_info_def): New opaque declaration.
9226 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9227 speculate_insn, needs_block_p, gen_check,
9228 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9229 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9230 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9231 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9232 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9233 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9235 (TARGET_SCHED): Use new macros.
9236 * rtl.h (copy_DEPS_LIST_list): New prototype.
9237 * sched-int.h (struct sched_info): Change signature of new_ready field,
9238 adjust all initializations. New fields: add_remove_insn,
9239 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9240 region_head_or_leaf_p.
9241 (struct spec_info_def): New structure declaration.
9242 (spec_info_t): New typedef.
9243 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9244 recovery_block, orig_pat.
9245 (glat_start, glat_end): New variables declaraions.
9246 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9248 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9249 DETACH_LIFE_INFO, USE_GLAT.
9250 (enum SPEC_SCHED_FLAGS): New enumeration.
9251 (NOTE_NOTE_BB_P): New macro.
9252 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9253 attach_life_info, debug_spec_status, check_reg_live): New functions.
9254 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9255 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9257 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9258 * ddg.c (get_block_head_tail): Adjust all uses.
9259 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9260 (sms_sched_info): Initialize new fields.
9261 (contributes_to_priority): Removed.
9262 * haifa-sched.c (params.h): New include.
9263 (get_block_head_tail): Adjust all uses.
9264 (ISSUE_POINTS): New macro.
9265 (glat_start, glat_end): New global variables.
9266 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9267 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9268 old_last_basic_block, before_recovery, current_sched_info_var,
9269 rgn_n_insns, luid): New static variables.
9270 (insn_cost1): New function. Move logic from insn_cost to here.
9271 (find_insn_reg_weight1): New function. Move logic from
9272 find_insn_reg_weight to here.
9273 (reemit_notes, move_insn, max_issue): Change signature.
9274 (move_insn1): Removed.
9275 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9276 extend_bb): New static functions to support extension of scheduler's
9278 (generate_recovery_code, process_insn_depend_be_in_spec,
9279 begin_speculative_block, add_to_speculative_block,
9280 init_before_recovery, create_recovery_block, create_check_block_twin,
9281 fix_recovery_deps): New static functions to support
9282 generation of recovery code.
9283 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9284 restore_bb_notes, move_block_after_check, move_succs): New static
9285 functions to support ebb scheduling.
9286 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9287 functions to support handling of register live information.
9288 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9289 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9290 add_jump_dependencies): New static functions.
9291 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9292 consistancy checking.
9293 (debug_spec_status): New function to call from debugger.
9294 (priority): Added code to handle speculation checks.
9295 (rank_for_schedule): Added code to distinguish speculative instructions.
9296 (schedule_insn): Added code to handle speculation checks.
9297 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9298 Fixed to handle ebbs.
9299 (move_insn): Added code to handle ebb scheduling.
9300 (max_issue): Added code to use ISSUE_POINTS of instructions.
9301 (choose_ready): Added code to choose between speculative and
9302 non-speculative instructions.
9303 (schedule_block): Added code to handle ebb scheduling and scheduling of
9304 speculative instructions.
9305 (sched_init): Initialize new variables.
9306 (sched_finish): Free new variables. Print statistics.
9307 (try_ready): Added code to handle speculative instructions.
9308 * lists.c (copy_DEPS_LIST_list): New function.
9309 * sched-deps.c (extend_dependency_caches): New function. Move logic
9310 from create_dependency_caches to here.
9311 (get_dep_weak, ds_merge): Make global.
9312 * genattr.c (main): Code to output prototype for
9313 dfa_clear_single_insn_cache.
9314 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9315 (output_dfa_clean_insn_cache_func): Code to output
9316 dfa_clear_single_insn_cache function.
9317 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9319 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9321 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9322 New static variables.
9323 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9324 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9326 (ebb_sched_info): Initialize new fields.
9327 (get_block_head_tail): Adjust all uses.
9328 (compute_jump_reg_dependencies): Fixed to use glat_start.
9329 (schedule_ebb): Code to remove unreachable last block.
9330 (schedule_ebbs): Added code to update register live information.
9331 * sched-rgn.c (region_sched_info): Initialize new fields.
9332 (get_block_head_tail): Adjust all uses.
9333 (last_was_jump): Removed. Adjust users.
9334 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9335 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9336 Implement new hooks.
9337 (check_dead_notes1): New static function.
9338 (struct region): New fields: dont_calc_deps, has_real_ebb.
9339 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9340 (BB_TO_BLOCK): Fixed to handle EBBs.
9341 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9342 (ebb_head): New static variable.
9343 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9344 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9346 (compute_dom_prob_ps): New assertion.
9347 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9348 global_live_at_start.
9349 (init_ready_list): New assertions.
9350 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9351 (new_ready): Add support for BEGIN_CONTROL speculation.
9352 (schedule_insns): Fixed code that updates register live information
9354 (schedule_region): Fixed to handle EBBs.
9355 (init_regions): Use extend_regions and check_dead_notes1.
9356 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9357 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9358 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9359 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9360 TARGET_SCHED_GEN_CHECK,
9361 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9362 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9363 * doc/invoke.texi (max-sched-insn-conflict-delay,
9364 sched-spec-prob-cutoff): Document.
9366 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9368 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9369 inter_tick, queue_index.
9370 (struct sched_info): Change signature of init_ready_list field.
9371 Adjust all initializations.
9372 (RESOLVED_DEPS): New access macro.
9373 (ready_add): Remove prototype.
9374 (try_ready): Add prototype.
9375 * sched-rgn.c (init_ready_list): Use try_ready.
9376 (schedule_region): Initialize
9377 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9378 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9379 (init_ready_list): Use try_ready.
9380 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9381 * lists.c (remove_list_elem): Remove `static'.
9382 (remove_free_INSN_LIST_elem): New function.
9383 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9384 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9385 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9387 (readyp): New variable.
9388 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9389 change_queue_index, resolve_dep): New static functions.
9390 (try_ready): New function. Adjust callers in sched-rgn.c and
9391 sched-ebb.c to use it instead of ready_add.
9392 (clock_var): Move at the begining of file.
9393 (rank_for_schedule): Fix typo.
9394 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9395 (ready_lastpos): Enforce assertion.
9396 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9398 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9399 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9400 (queue_to_ready): Use free_INSN_LIST_list.
9401 (early_queue_to_ready): Fix typo.
9402 (schedule_block): Init readyp. Move init_ready_list call after the
9403 initialization of clock_var. Fix error in rejecting insn by
9404 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9405 that previously corrected INSN_TICKs. Add code for handling
9407 (set_priorities): Fix typo.
9408 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9409 Clarify comment and code that keeps current_sched_info->next_tail
9412 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9414 * sched-rgn.c (extend_rgns): New static function.
9415 (find_rgns): Use it.
9416 (gather_region_statistics, print_region_statistics): New static
9418 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9419 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9421 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9422 Andrey Belevantsev <abel@ispras.ru>
9424 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9425 * lists.c (unused_deps_list): New variable.
9426 (free_list): Add assertions to verify the proper distinguishing
9427 between INSN_LISTs and DEPS_LISTs.
9428 (find_list_elem, remove_list_elem, remove_list_node): New static
9430 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9431 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9432 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9433 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9435 (free_INSN_LIST_node): Likewise.
9436 * modulo-sched.c (current_sched_info): Initialize flags field.
9437 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9438 * rtl.def (DEPS_LIST): Define.
9439 * rtl.h: Declare new functions from lists.c.
9440 * sched-deps.c (spec_dependency_cache): New static variable.
9441 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9442 (add_dependence): Change return type to void. Move the logic to ...
9443 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9444 (delete_all_dependences): Add comment about forward_dependency_cache.
9445 Handle spec_dependency_cache. Handle DEPS_LISTs.
9446 (fixup_sched_groups): Clarify the change of priority of output
9447 and anti dependencies.
9448 (sched_analyze_2): Adjust add_dependence calls to create data
9449 speculative dependence.
9450 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9451 Adjust all callers. Handle DEPS_LISTS.
9452 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9453 presence of speculation.
9454 (init_dependency_caches, free_dependency_caches):
9455 Handle spec_dependency_cache.
9456 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9457 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9458 New static functions.
9459 (add_or_update_back_dep, add_or_update_back_forw_dep,
9460 add_back_forw_dep, delete_back_forw_dep): New functions.
9461 * sched-int.h (ds_t, dw_t): New typedefs.
9462 (struct sched_info): Add new field flags.
9463 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9464 Prototype new sched-deps.c functions.
9465 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9466 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9467 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9468 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9469 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9470 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9472 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9474 * sched-rgn.c (current_sched_info): Initialize flags field.
9475 (schedule_insns): Initialize current_sched_info before the sched_init
9477 * sched-ebb.c (current_sched_info): Initialize flags field.
9478 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9479 Call add_or_update_back_dep instead of add_dependence.
9480 Create control speculative dependencies.
9481 (schedule_insns): Initialize current_sched_info before the sched_init
9484 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9486 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9488 (sh_fallback_frame_state): Likewise.
9490 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9492 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9493 Do switch on default_use_cxa_atexit.
9494 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9495 * config/darwin-crt3.o: New.
9496 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9497 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9498 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9500 * config/rs6000/t-darwin: Move crt2.o building to here.
9501 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9502 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9505 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9507 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9508 from '! xxx' to '!xxx' for coding-style conformance.
9509 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9510 (EXTRA_CONSTRAINT): Likewise.
9511 * config/vax/vax.md (four unnamed insns): Likewise.
9513 2006-03-15 Paul Brook <paul@codesourcery.com>
9515 * config/arm/arm.c (minipool_pad): New.
9516 (add_minipool_forward_ref): Include pool alignment padding in address
9518 (push_minipool_fix): Set minipool_pad.
9519 (minipool_pad): Ditto.
9521 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9523 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9524 instead of GET_CODE() == MEM and REG_P() instead of
9526 (print_operand_address): Likewise.
9527 (vax_address_cost): Likewise.
9528 (vax_rtx_costs): Likewise.
9529 (vax_notice_update_cc): Likewise.
9530 (vax_output_int_add): Likewise.
9531 (INDEX_REGISTER_P): Likewise.
9532 (BASE_REGISTER_P): Likewise.
9533 (nonindexed_address_p): Likewise.
9534 (vax_mode_dependent_address_p): Likewise.
9535 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9536 (PRINT_OPERAND): Likewise.
9537 * config/vax/vax.md (ashlsi3): Likewise.
9538 (ashlsi3): Likewise.
9539 (some more unnamed insns): Likewise.
9541 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9543 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9544 iterator-style macro.
9545 (mark_control_dependent_edges_necessary): Update the use of
9546 EXECUTE_IF_CONTROL_DEPENDENT.
9548 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9550 * config/sh/predicates.md (cache_address_operand): Special.
9551 (ua_address_operand): Likewise.
9553 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9555 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9557 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9559 2006-03-15 Andreas Schwab <schwab@suse.de>
9561 * gensupport.c (identify_predicable_attribute): Don't free p_false
9562 when it is still in use.
9564 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9566 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9567 the default setting here.
9569 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9571 * tree-pass.h (pass_cfg): Remove.
9572 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9573 * passes.c (pass_cfg): Don't run it.
9575 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9577 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9578 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9580 (stack_regs_mentioned): Update the uses of
9581 stack_regs_mentioned_data. Don't access the array beyond its
9583 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9584 Don't include gt-reg-stack.h.
9586 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9587 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9589 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9592 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9595 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9597 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9599 2006-03-14 Richard Guenther <rguenther@suse.de>
9601 PR tree-optimization/26672
9602 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9605 2006-03-14 Richard Guenther <rguenther@suse.de>
9607 PR tree-optimization/26667
9608 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9609 node for the callees. Always allow inlining if it will shrink
9612 2006-03-14 Richard Guenther <rguenther@suse.de>
9615 * builtins.c (get_pointer_alignment): Prefer alignment
9616 information from decls over that from types.
9618 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9621 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9623 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9625 * config/rs6000/rs6000.opt (mdlmzb): New option.
9626 (msched-prolog, msched-epilog): Use Var not Mask.
9627 * doc/invoke.texi (-mdlmzb): Document.
9628 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9630 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9631 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9633 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9635 PR rtl-optimization/25739
9636 * bt-load.c (augment_live_range): Free tos pointer.
9638 * gensupport.c (identify_predicable_attribute): Free
9640 * gcov.c (create_file_names): Free name pointer.
9642 2006-03-13 Roger Sayle <roger@eyesopen.com>
9645 * stmt.c (emit_case_nodes): Handle the case where the index is a
9646 CONST_INT, where the comparison mode is specified by the index type.
9648 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9650 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9653 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9655 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9656 (*branch_fp_inverted): Likewise.
9658 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9661 * omp-low.c (expand_omp_for_generic): Mark istart0
9662 and iend0 as addressable.
9664 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9666 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9668 2006-03-13 Jeff Law <law@redhat.com>
9670 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9671 virtual operands are interesting.
9672 (vrp_visit_stmt): Corresponding changes.
9674 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9676 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9678 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9679 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9680 * config/bfin/crti.S: Use it instead of __PIC__.
9681 * config/bfin/crtn.S: Likewise.
9683 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9684 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9686 Lose 'G' modifier for call operand.
9687 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9688 recognize 'G' modifier.
9690 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9693 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9694 * stmt.c (expand_case): Likewise.
9696 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9698 PR rtl-optimization/26254
9699 * loop-invariant.c (seq_insns_valid_p): New function.
9700 (move_invariant_reg): Only emit new code if it is valid.
9702 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9704 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9706 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9707 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9708 (commit_one_edge_insertion): Do not look for loop notes.
9710 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9712 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9713 flag_test_coverage out of loop.
9715 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9717 * final.c (shorten_branches): Remove outdated comment, and turn
9718 the if branch that guards it to continue.
9720 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9722 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9723 * cfgloop.h (struct loop): Remove unused fields.
9725 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9727 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9728 (-dL, -fdump-rtl-loop2): Update the dump file names
9730 * doc/invoke.texi: Update dump file names.
9732 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9734 * predict.c (estimate_probability): Remove.
9735 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9736 * basic-block.h (estimate_probability): Remove prototype.
9737 * passes.c (finish_optimization_passes): Dump branch prediction or
9738 profiling heuristics to the .profile tree dump.
9739 (init_optimization_passes): Unqueue pass_branch_prob.
9741 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9743 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9745 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9746 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9748 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9750 * function.h (frame_offset_overflow): Declare.
9751 * function.c (frame_offset_overflow): New function.
9752 (assign_stack_local_1): Call it to detect that the offset overflows.
9753 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9755 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9757 * config/sh/sh.c: Include alloc-pool.h.
9758 (label_ref_list_pool): New alloc pool.
9759 (label_ref_list_t): New type for lists of labels.
9760 (struct pool_node): Make wend a label_ref_list_t.
9761 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9763 (dump_table): Likewise.
9764 (sh_reorg): Set up the alloc pool before using add_constant and
9765 dump_table, and destroy it when finishing.
9767 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9769 * config/mips/mips.c: Remove redundant comment.
9771 2006-03-10 Jason Merrill <jason@redhat.com>
9774 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9775 the target was declared 'register'.
9777 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9779 * genpreds.c (write_insn_constraint_len): Change definition of
9780 insn_constraint_len to return size_t to match the declaration.
9782 2006-03-10 DJ Delorie <dj@redhat.com>
9784 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9786 (m32c_expand_insv): Fix test for an AND mask.
9788 2006-03-10 Richard Guenther <rguenther@suse.de>
9791 * builtins.c (get_pointer_alignment): Handle component
9792 references for field alignment.
9794 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9796 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9797 when building with libgloss.
9798 (sh*elf): Implement --without-fp option.
9799 (sh64-superh-linux*): Don't multilib.
9801 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9803 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9805 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9807 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9808 Set it when one of the replacement functions returned true.
9809 Return TODO_cleanup_cfg if cfgchanged is true.
9810 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9812 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9814 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9815 instead of gen_lowpart.
9817 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9819 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9821 (mips_output_order_conditional_branch): Declare.
9822 * config/mips/mips.h (MIPS_BRANCH): New macro.
9823 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9824 for the comparison. Use gen_condjump.
9825 (mips_output_conditional_branch): Rework interface to take the
9826 asm templates for a direct branch and the inverse of a direct branch.
9827 (mips_output_order_conditional_branch): New function.
9828 (mips_builtin_branch_and_move): New function.
9829 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9830 branch condition. Use gen_single_cc as the condition for
9831 __builtin_mips_upper_* or __builtin_mips_lower_*.
9832 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9833 Use VOIDmode for the branch condition.
9834 * config/mips/predicates.md (order_operator): New predicate.
9835 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9836 (branch_fp): Rename to...
9837 (*branch_fp): ...this. Remove mode from comparison operator.
9838 Use new mips_output_conditional_branch interface.
9839 (branch_fp_inverted): Rename to...
9840 (*branch_fp_inverted): ...this and update as for *branch_fp.
9841 (*branch_zero<mode>): Rename to...
9842 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9843 Use mips_output_order_conditional_branch. Only accept ordered
9845 (*branch_zero<mode>_inverted): Rename to...
9846 (*branch_order<mode>_inverted): ...this and update as for
9847 *branch_order<mode>.
9848 (*branch_equality<mode>): Accept zero as the second operand to
9849 the equality operator. Use the new mips_output_conditional_branch
9851 (*branch_equality<mode>_inverted): Likewise.
9852 (condjump): New expander.
9853 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9855 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9856 (bc1any2t, bc1any2f): Likewise.
9857 (single_cc): New expander.
9858 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9860 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9862 * doc/md.texi: Update documentation of MIPS constraints.
9863 * config/mips/constraints.md: New file.
9864 * config/mips/mips.md: Include it.
9865 * config/mips/mips.c (mips_char_to_class): Delete.
9866 (override_options): Don't initialize mips_char_to_class.
9867 * config/mips/mips.h (mips_char_to_class): Delete.
9868 (REG_CLASS_FROM_LETTER): Delete.
9869 (CONST_OK_FOR_LETTER_P): Delete.
9870 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9871 (EXTRA_CONSTRAINT_Y): Delete.
9872 (EXTRA_CONSTRAINT_STR): Delete.
9873 (CONSTRAINT_LEN): Delete.
9874 (EXTRA_MEMORY_CONSTRAINT): Delete.
9876 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9878 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9879 original fn's eh regions.
9881 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9883 * fold-const.c (build_range_check): Make sure to use a valid type to
9884 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9887 (range_predecessor): New static function.
9888 (range_successor): Likewise.
9889 (merge_ranges): Use them to compute predecessors and successors of
9892 2006-03-09 Roger Sayle <roger@eyesopen.com>
9895 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9896 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9898 2006-03-08 DJ Delorie <dj@redhat.com>
9900 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9901 (addpsi3): Expand to include memory operands. Remove
9902 reload-specific splits.
9903 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9904 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9905 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9906 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9907 (shift1_qi, shift1_hi, insv): New.
9908 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9909 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9910 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9912 * config/m32c/m32c-protos.h: Update as needed.
9913 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9914 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9915 Fail for unrecognized R* constraints.
9916 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9917 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9918 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9920 (m32c_init_libfuncs): New.
9921 (m32c_legitimate_address_p): Add debug wrapper.
9922 (m32c_rtx_costs): New.
9923 (m32c_address_cost): New.
9924 (conversions): Add 'B' prefix.
9925 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9926 operands, or word regnames for QI operands. 'B' prints bit
9928 (m32c_expand_setmemhi): New.
9929 (m32c_expand_movmemhi): New.
9930 (m32c_expand_movstr): New.
9931 (m32c_expand_cmpstr): New.
9932 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9933 (m32c_expand_neg_mulpsi3): Handle non-ints.
9934 (m32c_cmp_flg_0): New.
9935 (m32c_expand_movcc): New.
9936 (m32c_expand_insv): New.
9937 (m32c_scc_pattern): New.
9938 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9939 a0/a1 out of SIregs.
9940 (STORE_FLAG_VALUE): New.
9941 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9944 * config/m32c/mov.md: Make constraints more liberal.
9945 (zero_extendqihi2): Optimize r0/r1 case.
9946 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9947 * config/m32c/predicates.md (m32c_any_operand): New.
9948 (m32c_nonimmediate_operand): New.
9949 (m32c_hl_operand): New.
9950 (m32c_r3_operand): New.
9953 (memsym_operand): New.
9954 (memimmed_operand): New.
9955 (a_qi_operand): New.
9956 (m32c_eqne_operator): New.
9957 (m32c_1bit8_operand): New.
9958 (m32c_1bit16_operand): New.
9959 (m32c_1mask8_operand): New.
9960 (m32c_1mask16_operand): New.
9961 * config/m32c/blkmov.md: New file.
9962 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9964 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9966 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9967 unsigned to fix signed/unsigned comparison issue in
9968 DWARF2_FRAME_REG_OUT.
9969 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9970 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9972 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9973 of ptr into the ENABLE_CHECKING section.
9975 2006-03-08 Jeff Law <law@redhat.com>
9977 * tree-vrp.c (infer_value_range): Only count pointer uses
9978 and dereferences if -fdelete-null-pointer-checks is enabled.
9980 * tree-vrp.c (find_assert_locations): Infer value ranges for
9981 single use pointers, but do not create ASSERT_EXPRs for them.
9982 When a non-null range is inferred for a pointer, backwards
9983 propagate that range to other equivalent pointers through the
9986 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9989 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9990 language hook targets.
9991 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9992 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9993 if language hook targets were missing.
9995 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9997 * tree-ssa-opfinalize.h: Removed.
9998 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10000 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10001 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10002 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10003 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10004 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10005 finalize_ssa_v_must_def_ops): New.
10007 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10009 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10010 block as parameter.
10012 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10014 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10016 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10017 addresses with offsets; reorganize.
10019 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10020 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10021 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10023 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10026 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10028 2006-03-08 Ben Elliston <bje@au.ibm.com>
10030 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10032 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10035 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10038 2006-03-07 Richard Guenther <rguenther@suse.de>
10040 PR tree-optimization/26587
10041 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10043 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10045 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10047 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10049 * hooks.c (hook_bool_mode_rtx_true): New function.
10050 * hooks.h (hook_bool_mode_rtx_true): Declare.
10051 * toplev.c (compile_file): Call output_shared_constant_pool.
10052 * varasm.c (shared_constant_pool): New variable.
10053 (assemble_start_function, assemble_end_function): Remove arguments
10054 from call to output_constant_pool.
10055 (create_constant_pool): New function, split out from...
10056 (init_varasm_status): ...here.
10057 (force_const_mem): Choose between the shared and per-function constant
10058 pools. Set current_function_uses_const_pool when reusing old entries
10059 as well as when creating new ones.
10060 (mark_constant): Ignore data argument.
10061 (mark_constants): Remove pool argument.
10062 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10063 to decide whether the function uses a constant pool.
10064 (output_constant_pool_contents): New function, split out from...
10065 (output_constant_pool): ...here.
10066 (output_shared_constant_pool): New function.
10067 (init_varasm_once): Initialize shared_constant_pool.
10068 * output.h (output_constant_pool): Delete.
10069 (output_shared_constant_pool): Declare.
10070 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10071 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10073 2006-03-06 Nick Clifton <nickc@redhat.com>
10075 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10076 flag_strength_reduce.
10078 2006-03-06 Ben Elliston <bje@au.ibm.com>
10080 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10081 x86_64-*-linux* configurations.
10083 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10084 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10086 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10088 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10090 * basic-block.h: Remove the extern for
10091 rediscover_loops_after_threading.
10093 * cfgloop.c (cancel_loop): Make it static.
10094 * cfgloop.h: Remove the prototype for cancel_loop.
10096 * flow.c (recompute_reg_usage): Make it static.
10097 * rtl.h: Remove the prototype for recompute_reg_usage.
10099 * function.c (use_return_register): Make it static.
10100 * function.h: Remove the prototype.
10102 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10104 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10106 * recog.h: Remove the prototype for
10107 validate_change_maybe_volatile.
10109 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10111 * rtlanal.c (replace_reg): Remove.
10112 * rtl.h: Remove the prototype for replace_reg.
10114 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10116 * regclass.c (reg_scan_update): Remove.
10117 (reg_scan_mark_refs): Remove the last argument.
10118 * rtl.h: Remove the prototype for reg_scan_update.
10120 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10122 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10123 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10124 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10125 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10126 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10127 loop-invariant.c, omp-low.c, opts.c, passes.c,
10128 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10129 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10130 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10131 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10132 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10133 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10135 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10137 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10138 * dwarf2out.h: Remove the prototype for
10139 dwarf2out_add_library_unit_info.
10141 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10143 * tree.c (add_var_to_bind_expr): Remove.
10144 * tree.h: Remove the prototype for add_var_to_bind_expr.
10146 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10148 * regclass.c (n_non_fixed_regs): Remove.
10149 (init_reg_sets_1, globalize_reg): Remove all uses of
10151 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10153 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10155 * rtlanal.c (insns_safe_to_move_p): Remove.
10156 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10158 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10160 * expmed.c (expand_mult_add): Remove.
10161 * expr.h: Remove the prototype for expand_mult_add.
10163 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10165 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10166 and REG_SAVED_VAL_EXP constants.
10167 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10168 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10169 Handle regs stored by value.
10170 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10171 (execute_cfa_program): Handle DW_CFA_val_offset,
10172 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10173 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10174 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10175 (uw_install_context_1): Handle target regs stored by value.
10177 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10179 * tree-sra.c (tree_sra): Return todoflags;
10180 (generate_one_element): Set TODO_update_smt_usage if needed.
10181 (pass_sra): Remove TODO_update_smt_usage.
10182 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10184 (tree_ssa_forward_propagate_single_use_vars): Return
10185 TODO_update_smt_usage if we need to update SMT usage.
10186 (pass_forwprop): Remove TODO_update_smt_usage.
10188 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10190 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10191 (correct_use_link): Remove reference to get_stmt_operands.
10192 (update_stmt_operands): Likewise.
10193 (get_modify_expr_operands): New function factored out of
10194 parse_ssa_operands and get_expr_operands.
10195 Try to create V_MUST_DEFs for LHS by default.
10196 (get_expr_operands) <case MODIFY_EXPR>: Call
10197 get_modify_expr_operands.
10198 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10199 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10200 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10201 get_modify_expr_operands.
10203 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10205 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10206 * tree-flow.h: Remove the prototype for
10207 referenced_var_lookup_if_exists.
10209 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10211 PR rtl-optimization/26345
10213 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10215 2006-03-03 Roger Sayle <roger@eyesopen.com>
10217 PR tree-optimization/26524
10218 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10219 fold_convert to create a constant of the appropriate type.
10221 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10223 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10224 SYMBOL_REF_IN_BLOCK_P.
10225 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10226 of SYMBOL_FLAG_IN_BLOCK.
10227 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10228 instead of SYMBOL_REF_IN_BLOCK_P.
10229 * explow.c (use_anchored_address): Likewise.
10230 * rtl.c (rtx_size): Likewise.
10231 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10232 instead of SYMBOL_FLAG_IN_BLOCK.
10233 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10234 SYMBOL_REF_IN_BLOCK_P.
10235 (assemble_variable): Likewise.
10236 (output_constant_def_contents): Likewise.
10237 (output_constant_pool): Likewise.
10238 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10239 instead of SYMBOL_FLAG_IN_BLOCK.
10240 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10241 SYMBOL_REF_IN_BLOCK_P.
10242 (SYMBOL_REF_BLOCK): Likewise.
10243 (SYMBOL_REF_OFFSET): Likewise.
10244 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10245 SYMBOL_REF_IN_BLOCK_P.
10246 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10247 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10248 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10249 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10251 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10253 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10255 2006-03-02 Roger Sayle <roger@eyesopen.com>
10257 * simplify-rtx.c (simplify_unary_operation): When simplifying
10258 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10259 that we perform the right shift in the appropriate mode, and
10260 then extend or truncate the result to requested mode.
10262 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10264 * gengtype.c (main): Handle double_int type.
10265 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10266 * double-int.c: New file.
10267 * double-int.h: New file.
10268 * system.h: Include doubleint.h.
10269 * Makefile.in (SYSTEM_H): Include double-int.h.
10270 (double-int.o): Add.
10272 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10275 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10278 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10280 * tree-vrp.c (remove_range_assertions): Do not update statements
10283 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10285 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10287 * gcse.c (rest_of_handle_gcse): Ditto.
10288 * except.c (gate_handle_eh): Ditto.
10289 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10290 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10292 2006-03-02 Eric Christopher <echristo@apple.com>
10294 * config/i386/i386.c (machopic_output_stub): Add indirection to
10297 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10301 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10303 Sun Niagara specific optimizations.
10304 * config.gcc: Recognize niagara as target.
10305 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10306 (TARGET_CPU_niagara): Define.
10307 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10308 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10309 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10310 (ASM_CPU_SPEC): Likewise.
10311 (PROCESSOR_NIAGARA): New enum entry.
10312 (REGISTER_MOVE_COST): Handle Niagara.
10313 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10314 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10315 (sparc_override_options): Recognize "niagara", set appropriate
10316 default MASK_* values for it, and align functions to 32-bytes
10317 by default just like ULTRASPARC/ULTRASPARC3.
10318 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10319 (sparc64_initialize_trampoline): Likewise.
10320 (sparc_use_sched_lookahead): Use zero for niagara.
10321 (sparc_issue_rate): Use one for niagara.
10322 * config/sparc/niagara.md: New file.
10323 * config/sparc/sparc.md: Include it.
10324 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10325 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10326 when default cpu is niagara.
10327 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10328 (ASM_CPU_SPEC): Likewise.
10329 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10330 when default cpu is niagara.
10331 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10332 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10333 just like v9/ultrasparc/ultrasparc3.
10334 * doc/invoke.texi: Add documentation for "niagara" and improve
10335 existing documentation for ultrasparc variants.
10337 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10339 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10341 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10343 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10344 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10345 and say that only one is needed.
10346 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10347 * target.h (have_switchable_bss_sections): New hook.
10348 * explow.c (use_anchored_address): Check that the symbol is in a block.
10349 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10350 (bss_noswitch_section): New variables.
10351 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10352 (get_noswitch_section): New function.
10353 (get_block_for_section): Allow SECT to be null.
10354 (unlikely_text_section_p): Use SECTION_STYLE.
10355 (bss_initializer_p): New function.
10356 (get_variable_section): Move earlier in file. Take a new argument,
10357 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10358 Return one of the new *_sections in such cases.
10359 (get_block_for_decl): New function, extracting some logic from
10360 use_blocks_for_decl_p.
10361 (change_symbol_section): Remove in favor of...
10362 (change_symbol_block): ...this new function.
10363 (use_blocks_for_decl_p): Remove checks now performed by
10364 get_block_for_decl.
10365 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10366 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10367 (emit_local, emit_bss, emit_common): ...these new functions.
10368 Return true if the alignment was honored.
10369 (emit_tls_common): New function.
10370 (asm_emit_uninitialised): Delete.
10371 (assemble_variable_noswitch): New function, split out from...
10372 (assemble_variable): ...here. Don't make decisions about common
10373 variables here. Globalize all public decls that go into non-common
10374 sections. Check whether SYMBOL_REF_BLOCK is null.
10375 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10376 (output_constant_pool): Likewise.
10377 (init_varasm_once): Initialize the new section variables.
10378 (have_global_bss_p): New function.
10379 (categorize_decl_for_section): Use bss_initializer_p.
10380 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10381 (place_block_symbol): Assert that the symbol must be in a block.
10382 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10383 (TARGET_INITIALIZER): Include it.
10384 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10385 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10386 (SECTION_MACH_DEP): Bump by two.
10387 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10388 (unnamed_section): Mention SECTION_UNNAMED in comment.
10389 (named_section): Likewise SECTION_NAMED.
10390 (noswitch_section_callback): New type.
10391 (noswitch_section): New structure.
10392 (section): Add a noswitch_section alternative.
10393 (SECTION_STYLE): New macro.
10394 (tls_comm_section, comm_section, lcomm_section): Declare.
10395 (bss_noswitch_section, have_global_bss_p): Declare.
10396 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10397 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10399 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10400 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10403 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10405 * tree-vrp.c (execute_vrp): Return value.
10406 * regrename.c (rest_of_handle_regrename): Ditto.
10407 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10408 * tree-complex.c (tree_lower_complex): Ditto.
10409 (tree_lower_complex_O0): Ditto.
10410 * tracer.c (rest_of_handle_tracer): Ditto.
10411 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10412 * postreload.c (rest_of_handle_postreload): Ditto.
10413 * tree-tailcall.c (execute_tail_recursion): Ditto.
10414 (execute_tail_calls): Ditto.
10415 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10416 * tree.h (init_function_for_compilation): Ditto.
10417 * ipa-cp.c (ipcp_driver): Ditto.
10418 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10419 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10420 * final.c (compute_alignments): Ditto.
10421 (rest_of_handle_final): Ditto.
10422 (rest_of_handle_shorten_branches): Ditto.
10423 (rest_of_clean_state): Ditto.
10424 * omp-low.c (execute_expand_omp): Ditto.
10425 (execute_lower_omp): Ditto.
10426 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10427 * ipa-reference.c (static_execute): Ditto.
10428 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10429 * reorg.c (rest_of_handle_delay_slots): Ditto.
10430 (rest_of_handle_machine_reorg): Ditto.
10431 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10432 * flow.c (recompute_reg_usage): Ditto.
10433 (rest_of_handle_remove_death_notes): Ditto.
10434 (rest_of_handle_life): Ditto.
10435 (rest_of_handle_flow2): Ditto.
10436 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10437 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10438 (do_ssa_store_ccp): Ditto.
10439 (execute_fold_all_builtins): Ditto.
10440 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10441 * modulo-sched.c (rest_of_handle_sms): Ditto.
10442 * ipa-pure-const.c (static_execute): Ditto.
10443 * cse.c (rest_of_handle_cse): Ditto.
10444 (rest_of_handle_cse2): Ditto.
10445 * web.c (rest_of_handle_web): Ditto.
10446 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10447 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10448 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10449 * tree-nrv.c (tree_nrv): Ditto.
10450 (execute_return_slot_opt): Ditto.
10451 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10452 (create_structure_vars): Ditto.
10453 * loop-init.c (rtl_loop_init): Ditto.
10454 (rtl_loop_done): Ditto.
10455 (rtl_move_loop_invariants): Ditto.
10456 (rtl_unswitch): Ditto.
10457 (rtl_unroll_and_peel_loops): Ditto.
10458 (rtl_doloop): Ditto.
10459 * gimple-low.c (lower_function_body): Ditto.
10460 (mark_used_blocks): Ditto.
10461 * tree-ssa-sink.c (execute_sink_code): Ditto.
10462 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10463 (cgraph_early_inlining): Ditto.
10464 * global.c (rest_of_handle_global_alloc): Ditto.
10465 * jump.c (cleanup_barriers): Ditto.
10466 (purge_line_number_notes): Ditto.
10467 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10468 (rest_of_handle_if_after_reload): Ditto.
10469 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10470 (tree_ssa_loop_im): Ditto.
10471 (tree_ssa_loop_unswitch): Ditto.
10472 (tree_vectorize): Ditto.
10473 (tree_linear_transform): Ditto.
10474 (tree_ssa_loop_ivcanon): Ditto.
10475 (tree_ssa_empty_loop): Ditto.
10476 (tree_ssa_loop_bounds): Ditto.
10477 (tree_complete_unroll): Ditto.
10478 (tree_ssa_loop_prefetch): Ditto.
10479 (tree_ssa_loop_ivopts): Ditto.
10480 (tree_ssa_loop_done): Ditto.
10481 * predict.c (tree_estimate_probability): Ditto.
10482 * recog.c (split_all_insns_noflow): Ditto.
10483 (rest_of_handle_peephole2): Ditto.
10484 (rest_of_handle_split_all_insns): Ditto.
10485 * tree-eh.c (lower_eh_constructs): Ditto.
10486 * regmove.c (rest_of_handle_regmove): Ditto.
10487 (rest_of_handle_stack_adjustments): Ditto.
10488 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10489 * function.c (instantiate_virtual_regs): Ditto.
10490 (init_function_for_compilation): Ditto.
10491 (rest_of_handle_check_leaf_regs): Ditto.
10492 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10493 (rest_of_handle_gcse): Ditto.
10494 * ipa-type-escape.c (type_escape_execute): Ditto.
10495 * alias.c (rest_of_handle_cfg): Ditto.
10496 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10497 * profile.c (rest_of_handle_branch_prob): Ditto.
10498 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10499 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10500 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10501 * tree-dfa.c (find_referenced_vars): Ditto.
10502 * except.c (set_nothrow_function_flags): Ditto.
10503 (convert_to_eh_region_ranges): Ditto.
10504 (rest_of_handle_eh): Ditto.
10505 * emit-rtl.c (unshare_all_rtl): Ditto.
10506 (remove_unnecessary_notes): Ditto.
10507 * except.h (set_nothrow_function_flags): Ditto.
10508 (convert_to_eh_region_ranges): Ditto.
10509 * cfgexpand.c (tree_expand_cfg): Ditto.
10510 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10511 * tree-ssa-pre.c (do_pre): Ditto.
10512 (execute_fre): Ditto.
10513 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10514 (rest_of_handle_jump2): Ditto.
10515 * tree-sra.c (tree_sra): Ditto.
10516 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10517 (execute_mudflap_function_decls): Ditto.
10518 * tree-ssa-copy.c (do_copy_prop): Ditto.
10519 (do_store_copy_prop): Ditto.
10520 * ipa-prop.h (ipcp_driver): Ditto.
10521 * cfglayout.c (insn_locators_initialize): Ditto.
10522 * tree-ssa-forwprop.c
10523 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10524 * cfglayout.h (insn_locators_initialize): Ditto.
10525 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10526 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10527 (execute_late_warn_uninitialized): Ditto.
10528 * rtl.h (cleanup_barriers): Ditto.
10529 (split_all_insns_noflow): Ditto.
10530 (purge_line_number_notes): Ditto.
10531 (unshare_all_rtl): Ditto.
10532 (remove_unnecessary_notes): Ditto.
10533 (recompute_reg_usage): Ditto.
10534 (variable_tracking_main): Ditto.
10535 * integrate.c (emit_initial_value_sets): Ditto.
10536 * integrate.h (emit_initial_value_sets): Ditto.
10537 * tree-optimize.c (execute_free_datastructures): Ditto
10538 (execute_free_cfg_annotations): Ditto.
10539 (execute_fixup_cfg): Ditto.
10540 (execute_cleanup_cfg_pre_ipa): Ditto.
10541 (execute_cleanup_cfg_post_optimizing): Ditto.
10542 (execute_init_datastructures): Ditto.
10543 * tree-object-size.c (compute_object_sizes): Ditto.
10544 * combine.c (rest_of_handle_combine): Ditto.
10545 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10546 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10547 (rest_of_handle_reorder_blocks): Ditto.
10548 (rest_of_handle_partition_blocks): Ditto.
10549 * var-tracking.c (variable_tracking_main): Ditto.
10550 * tree-profile.c (tree_profiling): Ditto.
10551 * tree-vect-generic.c (expand_vector_operations): Ditto.
10552 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10553 * sched-rgn.c (rest_of_handle_sched): Ditto.
10554 (rest_of_handle_sched2): Ditto.
10555 * basic-block.h (free_bb_insn): Ditto.
10556 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10557 * tree-cfg.c (execute_build_cfg): Ditto.
10558 (remove_useless_stmts): Ditto.
10559 (split_critical_edges): Ditto.
10560 (execute_warn_function_return): Ditto.
10561 (execute_warn_function_noreturn): Ditto.
10562 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10563 * cfgrtl.c (free_bb_for_insn): Ditto.
10564 * passes.c (execute_one_pass): Run additional
10565 todos returned by execute function.
10566 * tree-pass.h (struct tree_opt_pass): Make execute
10569 2006-03-02 Richard Guenther <rguenther@suse.de>
10571 * tree-ssa-alias.c (find_used_portions): Consider taking
10572 the address as making the variable not write-only.
10574 2006-03-02 Nick Clifton <nickc@redhat.com>
10576 * config.gcc (default_use_cxa_atexit): Extend the description of
10577 this configure variable. Set its default value to "yes" for
10578 Linux, NetBSD and ELF targets on the assumption that they will
10579 use C libraries with the __cxa_atexit function.
10581 2006-03-02 Ben Elliston <bje@au.ibm.com>
10583 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10584 parameter as unused to suppress a build warning.
10586 2006-03-02 Ben Elliston <bje@au.ibm.com>
10588 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10591 2006-03-01 Roger Sayle <roger@eyesopen.com>
10594 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10595 declared name, the weak reference name, and the typeof name.
10596 (__gthrw): Avoid expanding the declared name suffix.
10597 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10599 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10601 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10603 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10604 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10605 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10606 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10607 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10608 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10609 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10610 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10611 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10612 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10613 (DW_END_default, DW_END_big, DW_END_little): New.
10614 (DW_END_lo_user, DW_END_hi_user): Define.
10615 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10616 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10617 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10620 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10622 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10624 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10626 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10628 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10630 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10631 to 'symbol_mem_tag'.
10633 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10636 2006-03-01 Roger Sayle <roger@eyesopen.com>
10638 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10640 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10643 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10644 MACHO_DYNAMIC_NO_PIC_P.
10645 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10647 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10650 * config/darwin-protos.h (darwin_asm_output_anchor):
10652 * config/darwin-sections.def (cstring_section):
10653 Add SECTION_MERGE to the flags.
10654 (literal4_section): Likewise.
10655 (literal8_section): Likewise.
10656 (objc_selector_refs_section): Likewise.
10657 (objc_cls_refs_section): Likewise.
10658 * config/darwin.c (darwin_asm_output_anchor): New
10660 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10662 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10664 Fix PR tree-optimization/26443
10665 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10666 to todo and PROP_tmt_usage to properties_destroyed.
10667 * tree-ssa-ccp.c (pass_ccp): Ditto.
10668 (pass_store_ccp): Ditto.
10669 * tree-ssa-dom.c (pass_dominator): Ditto.
10671 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10673 * tree-ssa-operands.c: Cleanup whitespace.
10674 (get_asm_expr_operands): Move before first invocation.
10675 (get_indirect_ref_operands): Likewise.
10676 (get_tmr_operands): Likewise.
10677 (get_call_expr_operands): Likewise.
10678 (append_def): Likewise.
10679 (append_use): Likewise.
10680 (append_v_may_def): Likewise.
10681 (append_v_must_def): Likewise.
10682 (add_call_clobber_ops): Likewise.
10683 (add_call_read_ops): Likewise.
10684 (add_stmt_operand): Likewise.
10685 (add_virtual_operand): Likewise.
10686 (build_ssa_operands): Likewise.
10688 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10690 PR middle-end/26022
10692 PR middle-end/24437
10693 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10694 with a call expr to ...
10695 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10697 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10699 * tree-vrp.c (extract_range_from_assert): Remove special
10700 handling for types with super-types.
10702 2006-03-01 Ben Elliston <bje@au.ibm.com>
10704 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10705 and powerpc64-*-linux* configurations.
10706 * config/t-dfprules: New file.
10708 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10709 Compile dfp-bit.c from the source directory using -DWIDTH and
10710 $DFP_CFLAGS to control the compilation of that file, rather than
10711 generating width-specific versions in the build directory.
10712 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10713 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10715 2006-02-28 Zack Weinberg <zackw@panix.com>
10717 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10720 2006-02-28 Eric Christopher <echristo@apple.com>
10722 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10723 Set up IN_LIBGCC definition of TARGET_64BIT.
10724 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10726 2006-02-28 Roger Sayle <roger@eyesopen.com>
10728 PR middle-end/14752
10729 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10730 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10731 cases via the construction of "expr != 0".
10733 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10735 * alias.c (alias_invariant, alias_invariant_size): Remove.
10736 (record_base_value): Remove.
10737 (memrefs_conflict_p): Don't look at alias_invariant.
10738 (end_alias_analysis): Don't free it.
10739 * alias.h (record_base_value): Remove prototype.
10741 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10742 Adam Nemet <anemet@caviumnetworks.com>
10744 * rtl.h (truncated_to_mode): Declare it.
10745 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10746 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10747 (RTL_HOOKS_INITIALIZER): Include it.
10748 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10749 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10750 reg_truncated_to_mode.
10751 * rtlanal.c (truncated_to_mode): Define it.
10752 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10754 2006-02-28 Jeff Law <law@redhat.com>
10756 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10757 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10758 the range allowed by TYPE_PRECISION.
10760 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10762 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10764 PR tree-optimization/26419
10765 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10768 2006-02-27 Zack Weinberg <zackw@panix.com>
10770 * doc/md.texi: Fix typo in previous change.
10772 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10776 2006-02-27 Zack Weinberg <zackw@panix.com>
10778 * rtl.def (define_constraint, define_register_constraint)
10779 (define_memory_constraint, define_address_constraint): New MD forms.
10780 * gensupport.c (process_rtx): Put define_constraint etc on the
10782 * genpreds.c (process_define_predicate): Adjust comment. Validate
10783 the name, and call validate_exp to validate the expression.
10784 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10785 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10786 all callers changed.
10787 (validate_exp, needs_variable, struct constraint_data)
10788 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10789 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10790 (const_dbl_constraints, constraint_max_namelen)
10791 (have_register_constraints, have_memory_constraints)
10792 (have_address_constraints, have_address_constraints)
10793 (have_extra_constraints, have_const_int_constraints)
10794 (have_const_dbl_constraints, mangle, add_constraint)
10795 (process_define_constraint, process_define_register_constraint)
10796 (write_enum_constraint_num, write_lookup_constraint)
10797 (write_insn_constraint_len, write_regclass_for_constraint)
10798 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10799 (write_insn_extra_memory_constraint)
10800 (write_insn_extra_address_constraint)
10801 (write_satisfies_constraint_fns): New.
10802 (write_tm_preds_h): If we have new-style constraint definitions,
10803 prototype the functions generated from them, and define the
10804 old constraint interface (still used by generic code) in terms of
10806 (write_insn_preds_c): If we have new-style constraint definitions,
10807 generate all relevant functions from those definitions.
10808 (main): Handle define_constraint etc.
10809 * genoutput.c (struct constraint_data, indep_constraints)
10810 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10811 (mdep_constraint_len): New data structures and functions, defined
10812 #ifdef USE_MD_CONSTRAINTS.
10813 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10814 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10815 use new logic to validate operand constraints against constraint
10817 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10819 * defaults.h: If none of the old-style constraint macros are
10820 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10821 old-style macros; and poison REG_CLASS_FROM_LETTER,
10822 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10824 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10825 * doc/md.texi: Document new constraint-definition mechanism and the
10826 C interface it provides. Remove references to old mechanism
10827 elsewhere in the document.
10828 (Machine Constraints): Use pathnames relative to gcc directory,
10829 i.e. config/ARCH/FILE. Change i386 section to refer to
10830 config/i386/predicates.md; update that section to match docstrings.
10831 * doc/tm.texi: Move all documentation of the old constraint-
10832 definition macros to their own section, clearly mark as obsolete.
10834 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10835 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10837 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10838 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10839 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10840 constraint strings.
10841 (splits and peepholes): Use satisfies_constraint_*.
10842 * config/i386/i386.c (memory_address_length)
10843 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10845 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10847 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10848 scalar operation to be put back into the loop.
10850 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10853 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10854 (extract_cie_info): Handle S flag in augmentation string.
10855 (execute_cfa_program): If context->signal_frame, execute also
10856 fs->pc == context->ra instructions.
10857 (uw_frame_state_for): If context->signal_frame, don't subtract one
10858 from context->ra to find FDE.
10859 (uw_update_context_1): Set context->signal_frame to
10861 (_Unwind_GetIPInfo): New function.
10862 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10863 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10865 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10866 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10867 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10868 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10869 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10870 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10871 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10872 x86_64_fallback_frame_state): Set fs->signal_frame.
10873 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10874 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10875 (frob_update_context): Likewise. Workaround missing S flag in
10876 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10877 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10878 Remove the psw_addr + 1 hack.
10880 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10882 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10883 with aggregates here.
10884 (find_func_aliases): Remove code for &<aggregate> from here.
10886 2006-02-26 Roger Sayle <roger@eyesopen.com>
10888 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10889 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10890 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10891 as (X & C) ne/eq 0.
10893 2006-02-26 Roger Sayle <roger@eyesopen.com>
10895 PR middle-end/19983
10896 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10898 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10900 * opts.c (decode_options): Do not handle flag_strength_reduce.
10901 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10902 and OPT_fstrength_reduce.
10903 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10904 flag_prefetch_loop_arrays for being nonzero.
10905 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10907 (fprefetch-loop-arrays-rtl): Removed.
10908 (flag_prefetch_loop_arrays): Do not specify the value.
10910 * doc/passes.texi: Update documentation of loop optimizer
10912 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10913 -frerun-loop-opt): Remove.
10915 2006-02-26 Richard Guenther <rguenther@suse.de>
10917 PR tree-optimization/26421
10918 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10919 in function calls that are ADDR_EXPRs as using the whole structure.
10921 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10923 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10924 * tree-pass.h (pass_loop_optimize): Remove.
10925 * passes.c (pass_loop_optimize): Never run it.
10926 * toplev.c (backend_init): Don't call init_loop.
10927 * opts.c (flag_loop_optimize_set): Remove.
10928 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10929 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10930 the old RTL loop optimizer when profiling enabled.
10931 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10932 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10933 pre-headers for the sake of the old RTL loop optimizer.
10934 * Makefile.in: Remove all references to loop.o.
10936 * doc/invoke.texi: Remove all references to -floop-optimize
10937 and -frerun-loop-opt.
10939 2006-02-26 Zack Weinberg <zackw@panix.com>
10941 * doc/md.texi (Machine Constraints): Refer to all files with paths
10942 relative to gcc directory (i.e. config/CPU/file). Add missing
10943 @table @code ... @end table to M32C subsection.
10945 2006-02-26 Roger Sayle <roger@eyesopen.com>
10947 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10949 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10951 2006-02-26 Roger Sayle <roger@eyesopen.com>
10952 James A. Morrison <phython@gcc.gnu.org>
10954 PR middle-end/21137
10955 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10956 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10957 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10958 signedness of the shift operation.
10960 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10962 PR tree-optimization/26359
10963 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10965 2006-02-25 Roger Sayle <roger@eyesopen.com>
10967 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10968 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10969 as X == 0, and some symmetry related transformations.
10970 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10972 2006-02-25 Roger Sayle <roger@eyesopen.com>
10974 PR middle-end/23673
10975 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10976 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10977 symmetry related transformations. Fold (X^C1) == C2 as
10980 2006-02-25 Juergen Weigert <jw@suse.de>
10981 Richard Guenther <rguenther@suse.de>
10983 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10985 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10987 * combine.c (gen_lowpart_or_truncate): Call
10988 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10990 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10992 * doc/invoke.texi: Move -fopenmp description to "Options for
10994 Remove reference to -lgomp.
10996 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10998 * doc/install.texi: Require GNU tar version 1.14.
11000 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11002 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11003 * doc/invoke.texi (C++ Dialect Options): Document
11004 -fno-use-cxa-get-exception-ptr.
11005 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11006 * configure: Regenerate.
11007 * c.opt (fuse-cxa-get-exception-ptr): New.
11008 * c-opts.c (c_common_handle_option): Handle
11009 OPT_fuse_cxa_get_exception_ptr.
11010 * c-common.c (flag_use_cxa_atexit): Update documentation.
11011 (flag_use_cxa_get_exception_ptr): New.
11012 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11013 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11015 (C_COMMON_OVERRIDE_OPTIONS): New.
11017 2006-02-24 Roger Sayle <roger@eyesopen.com>
11019 PR middle-end/24952
11020 * combine.c (try_combine): Explicitly check whether GET_CODE is
11021 a SET or a CLOBBER, instead on checking that it isn't a USE.
11023 2006-02-24 Roger Sayle <roger@eyesopen.com>
11025 * fold-const.c (fold_comparison): New subroutine of fold_binary
11026 containing transformations common to both the equality and
11027 ordering relational operators, factored out of fold_binary.
11028 (fold_binary): Separate out the equality operators (EQ_EXPR
11029 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11030 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11031 transformations common to both.
11032 (fold_div_compare): Fix latent bugs in the previously unreachable
11033 LT_EXPR and GE_EXPR cases.
11035 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11037 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11038 decl libname for clog to __clog on AIX.
11040 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11042 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11045 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11046 output traceback table for thunks. Localise rs6000_stack_info call.
11048 2006-02-23 Roger Sayle <roger@eyesopen.com>
11049 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11051 * gthr-posix.h (__gthrw): Fix typo in comment.
11053 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11055 * doc/cpp.texi (Character sets): Document that we do support
11056 input files to be in any character set.
11058 2006-02-23 Jeff Law <law@redhat.com>
11060 * tree.h (PHI_ARG_NONZERO): Remove.
11061 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11062 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11063 node to the new node.
11065 PR tree-optimization/26425
11066 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11067 min/max, then assume its varying.
11069 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11071 PR rtl-optimization/26316
11072 * rtlanal.c (enum may_trap_p_flags): New.
11073 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11074 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11075 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11076 (may_trap_after_code_motion_p): New function.
11077 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11078 (find_invariant_insn): Use may_trap_after_code_motion_p.
11079 * rtl.h (may_trap_after_code_motion_p): Declare.
11081 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11083 * emit-rtl.c (immed_double_const): Cleanup.
11085 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11087 Fix PR tree-optimization/26376
11088 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11091 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11093 PR middle-end/26412
11094 * gimplify.c (omp_add_variable): Guard variable size decl test with
11095 DECL_SIZE (decl) check.
11097 2006-02-23 Richard Guenther <rguenther@suse.de>
11099 PR middle-end/26439
11100 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11101 like aggregate types.
11103 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11105 * configure.ac: Add --with{,out}-long-double-128 configure option.
11106 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11107 * configure: Rebuilt.
11108 * config.in: Rebuilt.
11109 * doc/install.texi (Options specification): Document
11110 --with-long-double-128.
11112 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11113 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11114 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11115 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11117 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11119 * config/s390/s390.c (override_options): Handle
11120 TARGET_DEFAULT_LONG_DOUBLE_128.
11122 * config/alpha/alpha.c (override_options): Handle
11123 TARGET_DEFAULT_LONG_DOUBLE_128.
11125 * config/sparc/sparc.c (sparc_override_options): Handle
11126 TARGET_DEFAULT_LONG_DOUBLE_128.
11128 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11130 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11131 (real-install-headers-tar, real-install-headers-cpio)
11132 (real-install-headers-cp): New targets.
11134 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11136 * tree.h (variable_section): Delete.
11137 * varasm.c (variable_section): Delete.
11139 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11141 * install.texi: Add notes on install.texi2html.
11142 (Building in parallel): Do not use footnotes.
11144 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11147 * doc/install.texi (Configuration): Document --disable-libgomp.
11149 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11151 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11153 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11155 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11156 (vec_extractv2df_0_sse): New.
11158 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11160 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11161 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11162 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11163 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11164 to the result of the expression.
11165 (def_cfa_1): Adjust.
11166 (frame_pointer_cfa_offset): Rename to...
11167 (frame_pointer_fb_offset): ... this. Adjust all uses.
11168 (convert_cfa_to_loc_list): Rename to...
11169 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11170 Pass it on to build_cfa_loc.
11171 (compute_frame_pointer_to_cfa_displacement): Rename to...
11172 (compute_frame_pointer_to_fb_displacement): ... this. New
11173 offset parameter. Use it in computation.
11174 (gen_subprogram_die): Compute cfa_fb_offset with the new
11175 macro, and use it to compute the fb loc list and the
11178 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11180 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11181 replaced with register_operand.
11182 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11183 non-DREG is expensive.
11184 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11185 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11188 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11190 * doc/install.texi2html: Use set -e.
11192 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11194 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11195 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11196 * doc/invoke.texi (-fshared-data): Delete.
11197 * common.opt (fshared-data): Delete.
11198 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11199 (assemble_static_space): Remove #if 0 code.
11200 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11201 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11202 * config/cris/cris.h: Remove FIXME.
11204 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11206 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11209 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11211 PR middle-end/26379
11212 * combine.c (simplify_shift_const_1): Disable nested shifts
11213 optimization for vector shifts.
11215 2006-02-20 Roger Sayle <roger@eyesopen.com>
11217 PR tree-optimization/26361
11218 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11219 of unsigned integer types.
11221 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11223 * tree-chrec.c (eq_evolutions_p): New.
11224 * tree-chrec.h (eq_evolutions_p): Declared.
11225 * tree-data-ref.c: Fix formatting.
11226 (datadep_stats, dependence_stats): New.
11228 (print_direction_vector): New.
11229 (dump_data_dependence_relation): Use print_direction_vector.
11230 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11231 (compute_subscript_distance): Static.
11232 (initialize_data_dependence_relation): Static. Get the number
11233 of loops surrounding the references from the callers, and initialize
11234 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11235 base_object_differ_p analyzers.
11236 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11237 compute_overlap_steps_for_affine_1_2,
11238 analyze_subscript_affine_affine): Count the classified dependences.
11239 Print a message when a test failed.
11240 (can_use_analyze_subscript_affine_affine): New.
11241 (analyze_siv_subscript): Compute the data dependences on symbolic
11242 scevs that verify can_use_analyze_subscript_affine_affine.
11243 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11244 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11245 Handle symbolic scevs.
11246 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11248 (subscript_dependence_tester): Moved...
11249 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11250 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11251 DDR_SIZE_VECT instead of getting it in parameter.
11252 (subscript_dependence_tester): ... here. Take as a parameter
11253 loop_nest_depth. Call build_classic_dist_vector and
11254 build_classic_dir_vector.
11255 (compute_affine_dependence): Update subscript_dependence_tester
11256 parameters. Update datadep_stats counters. Call
11257 compute_subscript_distance.
11258 (compute_self_dependence): Save the dist and dir vectors. Call
11259 compute_subscript_distance.
11260 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11261 (compute_all_dependences): Reorder parameters as they were before
11262 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11263 compute_subscript_distance. Update the use of
11264 compute_affine_dependence and initialize_data_dependence_relation.
11265 (find_data_references_in_loop): Handle COMPONENT_REF.
11266 (compute_data_dependences_for_loop): Initialize dependence_stats.
11267 Don't call build_classic_dist_vector and build_classic_dir_vector.
11268 Update the parameters of initialize_data_dependence_relation and
11269 compute_all_dependences. Print the statistics from datadep_stats.
11270 (analyze_all_data_dependences): Static. Not used until the pass for
11271 checking the data dependences is contributed.
11272 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11273 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11274 (initialize_data_dependence_relation, compute_affine_dependence,
11275 analyze_all_data_dependences, compute_subscript_distance): Removed.
11276 (print_direction_vector): New.
11277 * lambda.h (gcd): ... here.
11278 (lambda_vector_gcd): Moved here from gcd_vector.
11279 * lambda-code.c (gcd, gcd_vector): Removed.
11280 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11281 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11283 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11285 * ipa-type-escape.c: Tidy some comments and white space.
11286 * tree-ssa-operands.c: Likewise.
11288 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11291 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11292 (dump_decl_name): Do not walk the decl tree chains.
11293 * tree-pass.h (TDF_CHAIN): Remove.
11295 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11297 * Makefile.in (C): Remove
11299 (.PHONY): Remove C and PROTO
11301 2006-02-20 Roger Sayle <roger@eyesopen.com>
11303 PR middle-end/26236
11304 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11305 deprecated CHAR_TYPE tree code.
11307 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11309 * configure.ac (target_list): Add install-info, dvi, html.
11310 * configure: Regenerate.
11312 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11313 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11314 treelang/Make-lang.in: Do not use double-colon rules.
11316 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11318 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11319 (TMT_USED_ALONE): New macro.
11320 * tree-pass.h (PROP_tmt_usage): New property.
11321 (TODO_update_tmt_usage): New todo.
11322 * tree-ssa-alias.c (updating_used_alone): New variable.
11323 (recalculate_used_alone): New function.
11324 (compute_may_aliases): Set updating_used_alone, call
11325 recalculate_used_alone.
11326 * tree-sra.c (pass_sra): Note that this pass destroys
11327 PROP_tmt_usage, and add TODO_update_tmt_usage.
11328 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11329 * tree-flow.h (updating_used_alone): Prototype.
11330 (recalculate_used_alone): Ditto.
11331 * passes.c (execute_todo): Add code to set updating_used_alone,
11332 and call recalculate.
11333 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11334 for clobber if used alone, and add assert to verify used_alone
11337 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11339 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11340 for non tls symbols added.
11341 (legitimize_address): Do nothing for PLUS expressions if one of the
11342 addends is a tls symbol reference.
11344 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11348 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11350 * Makefile.in (BOOTSTRAPPING): New.
11351 (quickstrap): New definition if BOOTSTRAPPING=yes.
11353 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11354 * configure.ac: Substitute all_selected_languages with the languages
11355 that were configured. For all the other variables except
11356 lang_specs_files, include all the languages in the tree.
11357 * configure: Regenerate.
11359 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11360 if there is one. Run the commands to run fixincludes in the same
11363 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11364 * doc/install.texi: Document exact conventions for searching target tools.
11365 Document --with-build-time-tools. Document toplevel bootstrap. Document
11366 something more about building an Ada cross-compiler. Don't list GNU Make
11367 requirements which affect all platforms.
11369 2006-02-19 Roger Sayle <roger@eyesopen.com>
11371 PR middle-end/19543
11372 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11373 only equivalent if the have both the same mode and precision.
11375 2006-02-20 Ben Elliston <bje@au.ibm.com>
11377 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11379 2006-02-19 Roger Sayle <roger@eyesopen.com>
11380 Steven Bosscher <stevenb.gcc@gmail.com>
11382 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11383 constant pool references to identify stack mode constants.
11384 * rtlanal.c (constant_pool_constant_p): New predicate to check
11385 whether operand is a floating point constant in the pool.
11386 * rtl.h (constant_pool_constant_p): Prototype here.
11387 * loop.c (scan_loop): Avoid hoisting constants from the constant
11388 pool on STACK_REGS targets.
11389 (load_mems): Likewise.
11390 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11391 loads into x87 registers expensive in terms of register pressure.
11393 2006-02-19 Roger Sayle <roger@eyesopen.com>
11395 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11396 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11398 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11400 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11401 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11403 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11405 * doc/invoke.texi: Document -fipa-pta.
11406 * common.opt: Add ipa-pta option.
11407 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11408 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11409 (do_ds_constraint): Ditto.
11410 (get_constraint_for): Only add to referenced_vars if
11411 referenced_vars exists.
11412 (insert_into_field_list): Rewrite to do this unsorted.
11413 (insert_into_field_list_sorted): Rename old insert_into_field_list
11415 (create_function_info_for): Use insert_into_field_list_sorted.
11416 (create_variable_info_for): Rewrite so it uses unsorted version,
11417 since the field list is sorted.
11418 (intra_create_variable_infos): Only add to referenced_vars if
11419 referenced_vars exists.
11420 (ipa_pta_execute): Init heapvars, and delete when done.
11421 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11423 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11425 * doc/install.texi: Add missing `@samp'.
11427 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11429 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11432 2006-02-18 Mark Wielaard <mark@klomp.org>
11434 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11435 who added new 4.1 features, bug fixes and integration support.
11437 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11440 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11441 MEM for ABI_V4 pic.
11443 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11445 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11446 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11447 (copy_insn_1): Likewise. Don't copy each field individually.
11449 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11451 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11452 * rtl.c (rtx_size): Rename variable to...
11453 (rtx_code_size): ...this.
11454 (rtx_size): New function.
11455 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11456 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11458 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11459 * rtl.h (rtx_code_size): New variable.
11460 (rtx_size): Change from a variable to a function.
11461 (RTX_SIZE): Rename to...
11462 (RTX_CODE_SIZE): ...this.
11465 PR tree-optimization/17106
11466 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11467 (Anchored Addresses): New section.
11468 * doc/invoke.texi (-fsection-anchors): Document.
11469 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11470 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11471 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11472 * hooks.c (hook_bool_mode_rtx_false): New function.
11473 * hooks.h (hook_bool_mode_rtx_false): Declare.
11474 * gengtype.c (create_optional_field): New function.
11475 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11476 SYMBOL_REF_IN_BLOCK_P is true.
11477 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11478 (min_anchor_offset, max_anchor_offset): Likewise.
11479 (use_anchors_for_symbol_p): New hook.
11480 * toplev.c (compile_file): Call output_object_blocks.
11481 (target_supports_section_anchors_p): New function.
11482 (process_options): Check that -fsection-anchors is only used on
11483 targets that support it and when -funit-at-a-time is in effect.
11484 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11485 if the decl doesn't have one.
11486 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11487 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11488 of force_const_mem through use_anchored_address.
11489 (expand_expr_constant): New function.
11490 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11491 calling expand_expr for INDIRECT_REF.
11492 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11493 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11494 * expr.h (use_anchored_address): Declare.
11495 * loop-unroll.c: Don't declare rtx vectors here.
11496 * explow.c: Include output.h.
11497 (validize_mem): Call use_anchored_address.
11498 (use_anchored_address): New function.
11499 * common.opt (-fsection-anchors): New switch.
11500 * varasm.c (object_block_htab, anchor_labelno): New variables.
11501 (hash_section, object_block_entry_eq, object_block_entry_hash)
11502 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11503 (use_blocks_for_decl_p, change_symbol_section): New functions.
11504 (get_variable_section): New function, split out from assemble_variable.
11505 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11506 use_blocks_for_decl_p say so. Use change_symbol_section if the
11507 symbol has already been created.
11508 (assemble_variable_contents): New function, split out from...
11509 (assemble_variable): ...here. Don't output any code for
11510 block symbols; just pass them to place_block_symbol.
11511 Use get_variable_section and assemble_variable_contents.
11512 (get_constant_alignment, get_constant_section, get_constant_size): New
11513 functions, split from output_constant_def_contents.
11514 (build_constant_desc): Create a block symbol if use_object_blocks_p
11515 says so. Or into SYMBOL_REF_FLAGS.
11516 (assemble_constant_contents): New function, split from...
11517 (output_constant_def_contents): ...here. Don't output any code
11518 for block symbols; just pass them to place_section_symbol.
11519 Use get_constant_section and get_constant_alignment.
11520 (force_const_mem): Create a block symbol if use_object_blocks_p and
11521 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11522 (output_constant_pool_1): Add an explicit alignment argument.
11523 Don't switch sections here.
11524 (output_constant_pool): Adjust call to output_constant_pool_1.
11525 Switch sections here instead. Don't output anything for block symbols;
11526 just pass them to place_block_symbol.
11527 (init_varasm_once): Initialize object_block_htab.
11528 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11529 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11530 (place_block_symbol, get_section_anchor, output_object_block)
11531 (output_object_block_htab, output_object_blocks): New functions.
11532 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11533 (TARGET_ASM_OUT): Include it.
11534 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11535 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11536 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11537 (TARGET_INITIALIZER): Include them.
11538 * rtl.c (rtl_check_failed_block_symbol): New function.
11539 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11540 (block_symbol, object_block): New structures.
11541 (rtx_def): Add a block_symbol field to the union.
11542 (BLOCK_SYMBOL_CHECK): New macro.
11543 (rtl_check_failed_block_symbol): Declare.
11544 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11545 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11546 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11547 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11548 * output.h (output_section_symbols): Declare.
11549 (object_block): Name structure.
11550 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11551 (default_use_anchors_for_symbol_p): Declare.
11552 * Makefile.in (RTL_BASE_H): Add vec.h.
11553 (explow.o): Depend on output.h.
11554 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11555 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11556 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11557 (rs6000_use_blocks_for_constant_p): New function.
11559 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11561 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11563 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11566 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11569 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11571 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11575 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11577 PR middle-end/26334
11578 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11579 instead of DECL_REGISTER.
11581 2006-02-18 Olivier Hainque <hainque@adacore.com>
11584 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11586 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11589 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11590 * opth-gen.awk: Handle Var and InverseMask together.
11591 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11592 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11593 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11594 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11596 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11597 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11598 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11599 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11600 LINUX_DYNAMIC_LINKER): Define.
11601 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11602 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11604 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11605 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11606 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11607 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11608 (TARGET_C99_FUNCTIONS): Don't define.
11609 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11610 GLIBC_DYNAMIC_LINKER.
11611 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11612 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11613 GLIBC_DYNAMIC_LINKER64): Define.
11614 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11615 LINUX_DYNAMIC_LINKER64.
11616 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11617 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11618 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11620 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11621 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11622 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11623 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11624 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11626 and LINUX_DYNAMIC_LINKER32.
11627 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11629 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11631 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11633 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11634 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11635 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11636 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11637 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11638 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11639 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11640 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11641 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11642 LINUX_DYNAMIC_LINKER): Define.
11643 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11644 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11645 GLIBC_DYNAMIC_LINKER64): Define.
11646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11647 LINUX_DYNAMIC_LINKER64.
11648 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11649 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11650 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11651 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11652 LINUX_DYNAMIC_LINKER): Define.
11653 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11654 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11655 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11656 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11657 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11658 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11659 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11660 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11661 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11662 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11664 * doc/invoke.texi (-muclibc): Remove caveat about supported
11667 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11669 * doc/cpp.texi (__TIMESTAMP__): Document.
11671 2006-02-17 Roger Sayle <roger@eyesopen.com>
11673 PR middle-end/25600
11674 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11675 C is one less than the width of X (and related transformations).
11676 * simplify-rtx.c (simplify_unary_operation_1): Transform
11677 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11678 depending on STORE_FLAG_VALUE, were C is one less then the
11681 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11683 Fix PR tree-optimization/26341
11684 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11685 about NAME_MEMORY_TAG's.
11687 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11690 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11691 with hardware float support, and software float support. Add fcpy
11692 alternative to hardware patterns. Add alternatives to copy between
11693 general and floating-point registers to the 32-bit pattern.
11694 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11695 secondary reload to load a QI or HI mode constant into a floating
11697 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11698 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11700 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11703 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11705 (load_macho_picbase_di): Likewise.
11707 2006-02-16 Jeff Law <law@redhat.com>
11709 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11710 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11711 (ssa_name_nonzero_p): Likewise.
11712 (get_value_range): Return NULL if VRP is not running.
11713 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11714 VRP routines do not discover a range.
11715 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11716 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11717 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11718 (tree_expr_nonnegative_p): Similarly.
11719 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11720 (restore_nonzero_vars_to_original_value): Remove.
11721 (unsafe_associative_fp_binop): Remove.
11722 (tree_ssa_dominator_optimize): Remove initialization and
11723 finalization of nonzero_vars and nonzero_vars_stack.
11724 (dom_opt_initialize_block): No longer push marker on
11725 nonzero_vars_stack.
11726 (dom_opt_finalize_block): No longer call
11727 restore_nonzero_vars_to_original_value.
11728 (record_equivalences_from_phis): No longer look for
11729 nonzero PHI arguments.
11730 (cprop_into_successor_phis): No longer propagate nonzero
11731 property into PHI arguments. Lose unused argument. Caller
11733 (record_equivalences_from_stmt): No longer record nonzero
11734 values for SSA_NAMEs.
11735 (lookup_avail_expr): No longer use nonzero_vars.
11737 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11738 for sizetype when sizetype is unsigned.
11740 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11742 PR rtl-optimization/25603
11743 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11744 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11745 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11746 with new meaning of SETS.
11748 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11753 * config/linux.opt: New file.
11754 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11755 LINUX_DYNAMIC_LINKER): Define.
11756 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11757 * config.gcc (*-*-linux*): Define extra_options.
11758 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11759 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11760 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11761 GLIBC_DYNAMIC_LINKER.
11762 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11763 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11764 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11765 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11766 * doc/invoke.texi (GNU/Linux Options): New section.
11768 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11770 * config/sparc/sparc.md (setjmp): Rewrite.
11771 (setjmp_32): Delete.
11772 (setjmp_64): Likewise.
11774 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11776 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11779 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11781 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11784 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11786 PR rtl-optimization/26296
11787 * Makefile.in (loop-invariant.c): Add except.h dependency.
11788 * loop-invariant.c: Include except.h.
11789 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11791 2005-02-16 Paul Brook <paul@codesourcery.com>
11793 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11796 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11798 PR rtl-optimization/25636
11799 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11800 when deciding whether an insn is an initializing insn.
11802 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11804 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11805 (tree_code_size): Ditto.
11806 * tree.h (struct tree_memory_tag): Remove parent_var.
11807 (struct tree_struct_field_tag): New.
11810 (union tree_node): Add sft member.
11811 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11813 (create_sft): Add size and offset argument, set SFT_OFFSET and
11815 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11816 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11817 * tree-flow-inline.h (get_subvar_at): Update for
11818 SFT_OFFSET/SFT_SIZE.
11819 (var_can_have_subvars): Ditto.
11820 (overlap_subvar): Ditto.
11821 * print-tree.c (print_node): Print out interesting things for
11823 * tree-flow.h (struct subvar): Remove offset and size members.
11824 * tree-ssa-operands.c (get_expr_operands): Update for
11825 get_indirect_ref_operands changes.
11826 (get_indirect_ref_operands): Call add_virtual_operand instead of
11827 add_stmt_operand. Only recurse on base var if requested.
11828 (access_can_touch_variable): New function.
11829 (add_stmt_operand): Split virtual operand handling into ...
11830 (add_virtual_operand): Here. Add offset, size, and for_clobber
11831 arguments. Prune alias sets.
11832 (add_call_clobber_ops): Call add_virtual_operand.
11834 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11836 PR middle-end/26300
11837 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11839 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11840 than TREE_CODE as index into omp_clause_num_ops array.
11842 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11844 PR rtl-optimization/26184
11845 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11847 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11848 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11849 must_precede, must_follow and tobe_scheduled.
11852 * opts.c (common_handle_option): Free new_option pointer.
11853 * df-core.c (df_analyze): Free postorder pointer.
11855 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11857 * Makefile.in: Fix the examples about the use of stamps
11859 2006-02-15 Michael Matz <matz@suse.de>
11861 PR middle-end/22275
11863 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11864 influenced by maximum_field_alignment or DECL_PACKED.
11865 (update_alignment_for_field): Ditto.
11866 (place_field): Ditto.
11867 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11870 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11872 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11873 (debug_flow_info): Pass it.
11874 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11875 * bb-reorder.c (reorder_basic_blocks): Likewise.
11876 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11877 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11878 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11879 * gcse.c (gcse_main, bypass_jumps): Likewise.
11880 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11881 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11882 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11883 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11884 * rtl.h (dump_flow_info): Adjust prototype.
11885 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11886 * var-tracking.c (variable_tracking_main): Likewise.
11887 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11888 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11891 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11893 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11896 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11898 PR tree-optimization/26209
11899 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11900 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11902 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11904 2006-02-14 Roger Sayle <roger@eyesopen.com>
11906 PR middle-end/23670
11907 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11908 (X,Y) and the corresponding symmetry related transformations.
11909 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11910 (X,Y) and its symmetry related transformations.
11912 2006-02-14 Roger Sayle <roger@eyesopen.com>
11914 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11917 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11919 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11921 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11924 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11925 support COMDAT group.
11926 * configure: Regenerate.
11928 2006-02-14 Roger Sayle <roger@eyesopen.com>
11930 PR middle-end/26279
11931 PR middle-end/26280
11932 PR middle-end/26283
11933 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11935 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11937 Fix PR tree-optimization/26260
11939 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11941 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11942 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11943 * tree-ssa-structalias.c (create_variable_info_for): Use
11944 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11946 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11948 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11950 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11951 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11952 of the ending condition.
11953 * tree-ssa-loop-manip.c: Include params.h.
11954 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11955 tree_unroll_loop): New functions.
11956 * tree-pass.h (pass_loop_prefetch): Declare.
11957 * loop.c (rest_of_handle_loop_optimize): Test for
11958 -fprefetch-loop-arrays-rtl.
11959 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11960 * timevar.def (TV_TREE_PREFETCH): New timevar.
11961 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11962 pass_loop_prefetch): New.
11963 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11964 (cleanup_tree_cfg_loop): Call scev_reset.
11965 * common.opt (fprefetch-loop-arrays-rtl): Add.
11966 * tree-ssa-loop-prefetch.c: New file.
11967 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11968 (new_temp_expr_table): Initialize expr_vars.
11969 (free_temp_expr_table): Cleanup expr_vars.
11970 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11971 expressions from being merged into one.
11972 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11973 (struct tree_niter_desc): Add control, bound and cmp fields.
11974 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11976 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11977 (tree-cfgcleanup.o): Add SCEV_H dependency.
11978 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11979 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11981 2006-02-14 Richard Guenther <rguenther@suse.de>
11983 PR tree-optimization/26258
11984 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11985 in PHI argument processing.
11987 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11989 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11990 new expression in the requested machine mode.
11992 2006-02-13 Roger Sayle <roger@eyesopen.com>
11994 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11995 directly, instead let do_compare_rtx_and_jump handle this for us.
11996 * expr.c (expand_expr_real_1): Likewise.
11997 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11998 before do_jump_by_parts_greater.
11999 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12000 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12002 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12004 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12006 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12008 PR rtl-optimization/26235
12009 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12010 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12013 2006-02-13 Jeff Law <law@redhat.com>
12015 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12018 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12020 PR middle-end/26092
12021 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12022 twice if decl is a builtin. When trying again, call get_callee_fndecl
12023 first to verify it is still a builtin.
12025 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12027 * dwarf2out.c (base_type_die): Don't add AT_name here.
12028 (subrange_type_die): Don't add AT_name here.
12029 (modified_type_die): Rearrange code flow. Do add AT_name here.
12031 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12033 PR rtl-optimization/26247
12034 PR rtl-optimization/26248
12035 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12037 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12039 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12040 * config/fixtfdi.c: Likewise.
12041 * config/fixunstfdi.c: Likewise.
12042 * config/floatditf.c: Likewise.
12044 2006-02-13 Roger Sayle <roger@eyesopen.com>
12046 PR middle-end/24427
12047 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12048 into (X,C2) if C1 is a subset of the bits of C2. Transform
12049 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12051 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12053 2006-02-13 Josh Conner <jconner@apple.com>
12056 * varasm.c (function_section): Check for section name before
12057 calling select_section on targets that define
12058 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12059 unlikely_text_section instead of hot_function_section if
12060 first_function_block_is_cold.
12062 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12064 PR middle-end/25335
12065 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12067 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12069 PR rtl-optimization/26222
12070 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12071 after tree->rtl expansion.
12072 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12073 before passing it to emit_move_insn.
12075 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12077 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12079 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12080 Clarify documentation.
12081 * c-common.h (warn_write_strings): Remove.
12082 * c-common.c (warn_write_strings): Likewise.
12083 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12086 2006-02-12 Roger Sayle <roger@eyesopen.com>
12088 PR middle-end/25724
12089 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12090 (do_jump_parts_zero_rtx): New function renamed from
12091 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12092 (do_jump_parts_equality_rtx): New function split out from
12093 do_jump_parts_equality. Old implementation renamed as above.
12094 Call do_jump_parts_zero_rtx if either operand is zero.
12095 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12096 do all of the heavy lifting.
12097 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12098 calling either do_jump_by_parts_greater_rtx or
12099 do_jump_by_parts_equality_rtx.
12100 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12101 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12102 moved to do_compare_rtx_and_jump, call it directly.
12103 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12104 mode argument. Call do_compare_rtx_and_jump.
12105 (emit_case_nodes): Update calls to do_jump_if_equal.
12107 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12109 PR rtl-optimization/26225
12110 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12112 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12114 PR rtl-optimization/26232
12115 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12117 2006-02-11 Jason Merrill <jason@redhat.com>
12120 * tree-inline.c (declare_return_variable): Just don't use the
12121 modify target if it's a gimple complex reg and the return slot
12124 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12126 * doc/contrib.texi: Update my entry.
12128 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12130 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12132 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12134 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12137 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12139 * doc/invoke.texi (-floop-optimize2): Removed.
12140 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12141 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12142 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12143 * common.opt (floop-optimize2): Removed.
12144 (fmove-loop-invariants): Enabled by default.
12146 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12148 * tree-if-conv.c (combine_blocks): Free the result of
12149 get_loop_exit_edges.
12151 2006-02-10 Jeff Law <law@redhat.com>
12153 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12155 PR tree-optimization/26213
12156 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12157 loop trying to follow SSA_NAME_VALUE chains.
12159 2006-02-10 Richard Guenther <rguenther@suse.de>
12161 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12162 deal with structures that end in implicitly variable sized arrays.
12164 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12166 PR rtl-optimization/24762
12167 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12170 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12172 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12173 (struct ivopts_data): Add regs_used field.
12174 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12175 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12176 instead of loop_data->regs_used;
12177 (free_loop_data): Do not free aux fields for loops.
12178 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12179 and tree_ssa_iv_optimize_finalize.
12181 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12183 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12185 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12188 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12189 computing the effective result type.
12191 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12193 PR inline-asm/16194
12194 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12195 (tree_overlaps_hard_reg_set): Declare.
12196 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12197 type and signature to match function type expected by walk_tree.
12198 (tree_overlaps_hard_reg_set): New function.
12199 (decl_conflicts_with_clobbers_p): Rename to:
12200 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12201 Use tree_overlaps_hard_reg_set. Changed caller.
12202 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12203 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12204 * cris.c (cris_md_asm_clobbers): Likewise.
12206 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12208 * reload1.c (emit_input_reload_insns): Delete code that tries to
12209 inherit using find_equiv_reg.
12211 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12213 * c-common.h (flag_const_strings): Don't declare.
12214 * c-common.c (flag_const_strings): Remove.
12215 * c.opt (fconst_strings): Remove.
12216 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12217 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12218 (c_common_init_options): Don't set flag_const_strings.
12219 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12221 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12223 * arm.md (tlobits_cbranch): New pattern.
12224 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12225 testing a single bit.
12227 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12230 * tree-ssa-pre.c (create_component_ref_by_pieces):
12231 Handle RETURN_DECL like VAR_DECL.
12233 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12235 PR middle-end/26134
12236 * fold-const.c (fold_indirect_ref_1): Fold
12237 "*(foo *)&complexfoo" to "__real__ complexfoo"
12238 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12240 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12242 * tree-flow-inline.h (var_can_have_subvars):
12243 Volatile variables should not have subvariables.
12245 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12248 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12249 multiplying unsigned values.
12252 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12254 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12256 2006-02-08 Jason Merrill <jason@redhat.com>
12259 * tree.def: Elaborate on difference from MODIFY_EXPR.
12260 * doc/c-tree.texi (INIT_EXPR): Likewise.
12261 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12262 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12263 (gimplify_target_expr): Likewise.
12264 (gimplify_cond_expr): Remove target handling.
12265 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12266 (gimplify_expr): Clobber it here.
12267 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12268 Do return slot optimization if we have an INIT_EXPR.
12271 * tree-inline.c (declare_return_variable): Also clear
12272 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12275 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12277 PR middle-end/22439
12278 * gimplify.c (gimplify_one_sizepos): Fix typo.
12280 2006-02-08 Jeff Law <law@redhat.com>
12282 PR tree-optimization/21417
12283 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12284 across a backedge if the control statement at the end of the
12285 block is data dependent on other statements in the same block.
12286 (record_temporary_equivalences_from_stmts): Remove over-conservative
12287 test for threading across backedges.
12289 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12290 control statement, handle all three special cases in the same
12291 manner as they all have the same desired solution. No longer
12292 special case edge flag updating when the post dominator is
12295 2006-02-08 Roger Sayle <roger@eyesopen.com>
12297 * tree.def (CHAR_TYPE): Remove.
12298 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12299 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12300 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12301 (gen_string_type_die): Delete unreachable function.
12303 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12304 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12305 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12306 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12307 * builtins.c (type_to_class): Likewise.
12308 * fold-const.c (fold_convert, build_range_check,
12309 merge_ranges): Likewise.
12310 * expr.c (count_type_elements): Likewise.
12311 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12312 * stor-layout.c (layout_type): Likewise.
12313 * ipa-type-escape.c (type_to_consider): Likewise.
12314 * gimplify.c (omp_firstprivatize_type_sizes,
12315 gimplify_type_sizes): Likewise.
12316 * explow.c (promote_mode): Likewise.
12317 * tree-sra.c (is_sra_scalar_type): Likewise.
12318 * varasm.c (output_constant): Likewise.
12319 * tree-inline.c (remap_type_1): Likewise.
12320 * convert.c (convert_to_pointer, convert_to_real,
12321 convert_to_integer, convert_to_complex): Likewise.
12323 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12325 * df-scan.c (df_def_record_1): A set destination may
12326 be a parallel regardless of mode.
12328 2006-02-08 Roger Sayle <roger@eyesopen.com>
12331 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12332 * config/mips/_tilib.c: Remove.
12333 * config/fixtfdi.c: New libgcc source file.
12334 * config/fixunstfdi.c: New source file.
12335 * config/floatditf.c: New source file.
12336 * config/floatunditf.c: New souce file.
12337 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12338 files above instead of config/mips/_tilib.c.
12339 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12341 2006-02-08 Jeff Law <law@redhat.com>
12343 PR tree-optimization/26169
12344 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12347 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12349 * df.h (DF_REG_SIZE): Return the length of the initialized
12352 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12354 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12355 __muldf3): Return a correctly signed zero.
12357 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12359 * passes.c (register_one_dump_file): Accept the current properties
12360 instead of pass number. Adjust call to dump_register. Remove
12362 (register_dump_files): Now a wrapper around...
12363 (register_dump_files_1): ... this one. Do not modify the pass
12365 (next_pass_1): Cosmetic fix.
12366 (execute_todo): Keep second parameter only. Use curr_properties
12367 instead of fetching it from the pass structure. Check and set
12369 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12370 instead of fetching it from the pass structure. Fix calls to
12371 execute_todo. Update curr_properties and initialize .vcg RTL dump
12372 after running the pass. Reset last_verified.
12373 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12375 (FIRST_AUTO_NUMBERED_DUMP): New.
12376 (dump_register): Remove "num" parameter, assign it within the
12378 (get_dump_file_name): Modify template for dumps.
12379 * tree-dump.h (dump_register): Adjust prototype.
12380 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12381 (PROP_trees): Add PROP_gimple_lomp.
12382 (TODO_set_props): New.
12383 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12384 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12385 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12387 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12389 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12390 (sparc64-*-linux*): Likewise.
12391 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12392 * config/sparc/t-linux: New file.
12393 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12394 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12395 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12396 -m32 -mlong-double-128.
12398 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12399 * config/alpha/t-linux: New file.
12400 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12402 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12403 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12404 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12405 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12406 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12407 (CPP_ARCH32_SPEC): Remove.
12409 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12411 PR tree-optimization/26145
12412 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12415 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12418 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12419 >= 240000 when generating code for SOM runtime.
12420 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12421 to $$dyncall when generating code for SOM runtime..
12423 2006-02-07 Dirk Mueller <dmueller@suse.com>
12426 * doc/invoke.texi (-Wsequence-point): Update documentation
12427 that -Wsequence-point is implemented for C++ as well.
12429 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12431 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12432 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12433 (LIB_SPEC): Likewise.
12434 * doc/invoke.texi (SPARC options): Document -pthread.
12436 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12438 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12441 2006-02-07 Roger Sayle <roger@eyesopen.com>
12443 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12444 Correct comment describing BOOLEAN_TYPE.
12446 2006-02-07 Dirk Mueller <dmueller@suse.com>
12448 * c.opt: C++ frontend supports -Wdiv-by-zero.
12449 * c-opts.c (c_common_handle_option): Remove dead case.
12451 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12453 * configure.ac (TLS assembler check): Do not enable TLS by
12454 default on SPARC/Solaris before version 10.
12455 * configure: Regenerate.
12457 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12459 * doc/invoke.texi (xl-compat): Document conversion and support
12462 2006-02-07 Jeff Law <law@redhat.com>
12464 * tree-vrp.c (find_conditional_asserts): Update comments.
12465 (simplify_stmt_for_jump_threading): New.
12466 (identify_jump_threads, finalize_jump_threads): New.
12467 (vrp_finalize): Call identify_jump_threads.
12468 (execute_vrp): Call finalize_jump_threads.
12469 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12470 (vrp_element, vrp_data, vrp_element_p): Remove.
12471 (vrp_hash_elt, vrp_variables_stack): Remove.
12472 (vrp_hash, vrp_eq, record_range): Remove.
12473 (simplify_cond_and_lookup_avail_expr): Remove.
12474 (extract_range_from_cond): Remove.
12475 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12476 (simplify_stmt_for_jump_threading): New.
12477 (dom_thread_across_edge): New wrapper.
12478 (tree_ssa_dominator_optimize): No longer initialize or
12479 finalize any of the VRP datastructures. Remove iteration
12480 step and simplify as a result of removal of iteration step.
12481 (pass_dominator): Perform a cfg cleanup after DOM.
12482 (dom_opt_finalize_block): Use the new common routines
12483 for threading jumps. Simplify stack management slightly.
12484 No longer need to unwind VRP state.
12485 (record_equivalences_from_incoming_edge): No longer record
12487 (eliminate_redundant_computations): No longer call
12488 simplify_cond_and_lookup_avail_expr.
12489 * tree-flow.h (potentially_threadable_block): Prototype.
12490 (thread_across_edge): Likewise.
12491 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12492 (tree-ssa-threadedge.o): Add dependencies.
12493 * tree-ssa-threadedge.c: New file.
12494 * passes.c (init_optimization_passes): Merge PHIs before
12495 calling VRP. Run VRP again late in the SSA optimization pipeline.
12497 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12499 * df-core.c (df_set_blocks): Do not dereference function pointers.
12500 (df_finish1): Likewise.
12501 (df_hybrid_search_forward): Likewise.
12502 (df_hybrid_search_backward): Likewise.
12503 (df_iterative_dataflow): Likewise.
12504 (df_analyze_problem): Likewise.
12505 (df_compact_blocks): Likewise.
12506 (df_dump): Likewise.
12507 * df-scan.c (df_rescan_blocks): Likewise.
12508 (df_record_entry_block_defs): Likewise.
12510 * genconditions.c (write_conditions): Guard the definition of
12511 'insn_conditions' with the check on GCC version.
12512 (write_writer): Guard the traversal 'insn_conditions' with
12513 the check on GCC version.
12515 2006-02-07 Richard Guenther <rguenther@suse.de>
12519 2006-01-30 Richard Guenther <rguenther@suse.de>
12521 * gimplify.c (gimplify_target_expr): Handle easy cases
12522 without creating a temporary.
12524 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12526 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12527 use of float in probability computations. Use edge probabilities
12528 in place of statically computed probabilities.
12529 (min_spec_prob): New static variable.
12530 (schedule_insns): Initialize it.
12531 (GET_SRC_PROB): Removed.
12532 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12534 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12537 * config/ia64/unwind-ia64.c: Revert last change.
12538 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12539 (INCOMING_FRAME_SP_OFFSET): Define.
12541 2006-02-06 Roger Sayle <roger@eyesopen.com>
12543 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12545 2006-02-07 Ben Elliston <bje@au.ibm.com>
12547 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12548 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12549 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12550 (ix86_return_in_memory): Handle TDmode.
12551 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12552 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12554 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12556 * reorg.c (dbr_schedule): Use dump_file instead of file.
12558 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12561 * config/ia64/predicates.md (extr_len_operand): New predicate.
12562 * config/ia64/ia64.md (extv): Tighten constraints.
12564 (*tbit_and_2): Ditto.
12565 (*tbit_and_3): Ditto.
12566 (*tbit_or_2): Ditto.
12567 (*tbit_or_3): Ditto.
12568 (*bit_zero): Ditto.
12571 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12574 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12576 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12578 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12579 loop_optimizer_init and loop_optimizer_finalize
12580 * tree-ssa-sink.c (execute_sink_code): Ditto.
12581 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12582 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12583 tree_ssa_loop_done): Ditto.
12584 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12585 * sched-ebb.c: Include output.h.
12586 (schedule_ebbs): Do not use dump argument.
12587 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12588 * loop.c (loop_dump_stream): Removed.
12589 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12591 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12592 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12593 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12594 loop_iterations, strength_reduce, record_biv, record_giv,
12595 final_giv_value, check_final_value, check_ext_dependent_givs,
12596 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12597 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12598 dump_file instead of loop_dump_stream.
12599 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12600 argument dump_file.
12601 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12603 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12604 * haifa-sched.c: Include output.h
12605 (schedule_insns, sched_init): Do not use dump argument.
12606 * mode-switching.c (optimize_mode_switching): Ditto.
12607 * modulo-sched.c (stats_file): Removed.
12608 (print_node_sched_params): Do not call argument dump_file.
12609 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12610 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12612 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12614 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12615 rtl_loop_init, rtl_loop_done): Ditto.
12616 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12617 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12619 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12620 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12621 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12622 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12623 * emit-rtl.c (renumber_insns): Ditto.
12624 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12625 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12626 * regclass.c (regclass): Ditto.
12627 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12628 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12629 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12630 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12632 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12633 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12635 * gcse.c (gcse_file, debug_stderr): Removed.
12636 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12637 rest_of_handle_gcse): Do not use dump argument.
12638 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12639 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12640 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12641 compute_code_hoist_vbeinout, compute_code_hoist_data,
12642 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12643 compute_store_table, build_store_vectors, insert_insn_start_bb,
12644 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12645 store_motion): Use dump_file instead of gcse_file.
12646 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12647 * profile.c (profile_dump_file): Removed.
12648 (branch_prob): Use dump_file instead of profile_dump_file.
12649 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12651 * tree-ssa-copy.c (dump_copy_of): Ditto.
12652 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12653 dump file to life_analysis.
12654 * bt-load.c (branch_target_load_optimize): Ditto.
12655 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12657 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12658 regclass, dbr_schedule): Declaration changed.
12659 * sched-int.h (sched_init): Declaration changed.
12660 * tree-profile.c (tree_profile_dump_file): Removed.
12661 (tree_profile_hooks): Removed profile_dump_file hook.
12662 * rtl-profile (rtl_profile_dump_file): Removed.
12663 (rtl_profile_hooks): emoved profile_dump_file hook.
12664 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12666 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12667 * tree-cfg.c (build_tree_cfg): Ditto.
12668 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12669 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12670 Declaration changed.
12671 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12672 life_analysis and schedule_insns.
12673 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12675 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12677 * config/mips/mips.c (mips_reorg): Ditto.
12678 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12681 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12683 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12684 (s390_mangle_fundamental_type): New.
12685 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12688 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12689 (alpha_mangle_fundamental_type): New.
12690 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12693 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12695 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12697 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12698 (sparc_mangle_fundamental_type): New.
12700 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12702 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12703 (s390x-*-linux*): Likewise.
12704 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12705 * config/s390/t-linux: New file.
12707 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12709 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12710 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12712 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12714 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12715 (ANTIC_SAFE_LOADS): New macro.
12716 (find_or_generate_expression): Add prototype.
12717 (set_contains_value): Allow null set for sake of not always having
12718 to allocate ANTIC_SAFE_LOADS.
12719 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12720 Allow COMPONENT_REF too.
12721 (valid_in_set): Allow COMPONENT_REF.
12722 Check ANTIC_SAFE_LOADS too.
12723 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12724 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12726 (can_PRE_operation): Add COMPONENT_REF.
12727 (create_component_ref_by_pieces): New function.
12728 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12729 (insert_aux): Move AGGREGATE_TYPE_P check here.
12730 (compute_avail): Set bb local stmt uids.
12731 (pass_pre): Use TODO_update_ssa_only_virtuals.
12733 2006-02-06 Ben Elliston <bje@au.ibm.com>
12735 * configure.ac: Unconditionally disable decimal float by default.
12736 * configure: Regenerate.
12738 2006-02-06 Ben Elliston <bje@au.ibm.com>
12740 * read-rtl.c (read_name): Terminate reading on EOF.
12742 2006-02-06 Ben Elliston <bje@au.ibm.com>
12744 * dfp.c (decimal_real_arithmetic): Change second argument type
12745 from int to enum tree_code. Do not always return true, but now
12746 return result of any call to decimal_do helper functions.
12747 * dfp.h (decimal_real_arithmetic): Update prototype.
12749 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12751 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12753 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12756 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12759 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12761 * tree-vrp.c (cfg_loops): Removed.
12762 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12763 Use current_loops instead of cfg_loops. Pass flags to
12764 loop_optimizer_init.
12765 * cfgloopmanip.c (fix_loop_structure): Update only available
12767 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12768 loop_optimizer_init.
12769 * modulo-sched.c (build_loops_structure): Removed.
12770 (sms_schedule): Use loop_optimizer_init.
12771 * loop-init.c (loop_optimizer_init): Use flags to determine
12772 which properties of loops to prepare.
12773 (rtl_loop_init): Pass flags to loop_optimizer_init.
12774 * tree-ssa-sink.c (execute_sink_code): Ditto.
12775 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12776 * tree-ssa-pre.c (init_pre): Ditto.
12777 * cfgloop.h (LOOPS_NORMAL): New.
12778 (loop_optimizer_init): Declaration changed.
12780 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12782 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12783 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12785 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12787 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12789 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12790 * pa/t-pa64: Delete quadlib.c rule.
12791 * pa/x-ada: Revert last change.
12792 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12794 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12796 PR rtl-optimization/26087
12797 * rtlanal.c (canonicalize_condition): Do not cross basic block
12800 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12803 * config/ia64/ia64.c: Include debug.h.
12804 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12805 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12806 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12807 (process_epilogue, process_set, process_for_unwind_directive):
12808 Output unwind info only if requested. Add CFA info if requested.
12809 Add new arguments as needed. Adjust callers.
12810 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12812 (DWARF2_FRAME_INFO): Define to zero.
12813 * config/ia64/unwind-ia64.c: Remove code that compensated for
12814 the CFA offset error fixed above.
12815 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12816 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12817 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12818 -funwind-tables and -fexceptions to enable frame info.
12819 (dwarf2out_frame_init): Define initial CFA even if
12820 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12821 DWARF2_UNWIND_INFO is nonzero, not just defined.
12822 (dwarf2out_frame_finish): Output non-EH call frame info only
12823 if DWARF2_FRAME_INFO is nonzero.
12824 (convert_cfa_to_loc_list,
12825 compute_frame_pointer_to_cfa_displacement): Define even if
12826 unwind info is not supported.
12827 (gen_subprogram_die): Use the above unconditionally. Remove
12828 legacy alternate code.
12829 * toplev.c (compile_file): Compile in call to
12830 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12831 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12833 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12834 Jakub Jelinek <jakub@redhat.com>
12836 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12837 IBM extended float format long double as "g" on powerpc*-linux.
12839 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12842 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12843 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12845 2006-02-03 Jason Merrill <jason@redhat.com>
12848 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12850 PR middle-end/25977
12851 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12852 on the return slot if it's an NRV.
12854 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12856 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12857 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12858 rewrite_use): Do not handle USE_OUTER.
12859 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12860 add_iv_outer_candidates, may_replace_final_value,
12861 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12862 (find_interesting_uses_op): Functionality of
12863 find_interesting_uses_outer_or_nonlin moved here.
12864 (find_interesting_uses_outside): Use find_interesting_uses_op.
12866 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12869 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12871 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12872 Ulrich Weigand <uweigand@de.ibm.com>
12875 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12876 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12877 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12878 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12880 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12881 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12882 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12883 Define secondary reloads for TFmode moves.
12884 (constant_modes): Add TFmode.
12885 (NR_C_MODES): Set to 8.
12886 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12888 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12889 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12890 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12891 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12892 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12893 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12894 (FPR mode macro): Add TFmode.
12895 (DSF mode macro): New.
12896 (<de>, <dee> mode attributes): Removed.
12897 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12898 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12899 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12900 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12901 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12902 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12903 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12904 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12905 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12906 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12907 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12908 "*negabs<mode>2", "sqrt<mode>2"):
12909 Changed <de> to <xde>. R constraint replaced by <Rf>.
12910 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12912 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12913 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12914 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12916 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12917 "extenddftf2", "extendsftf2"): New expanders.
12918 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12919 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12920 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12921 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12923 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12924 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12925 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12926 __floatditf): Add a GCC_4.1.0 symbol version tag.
12927 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12930 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12933 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12934 Use targetm.binds_local_p instead of TREE_PUBLIC.
12936 2006-02-02 Roger Sayle <roger@eyesopen.com>
12938 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12939 on INTEGER_TYPEs to indicate that it denotes a character type.
12940 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12941 signed_char_type_node, unsigned_char_type_node and char_type_node.
12942 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12943 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12944 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12946 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12947 Daniel Berlin <dberlin@dberlin.org>
12949 * tree-tailcall.c (arg_needs_copy_p): New function.
12950 (eliminate_tail_call): Use arg_needs_copy_p.
12951 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12952 (add_virtual_phis): New function.
12954 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12956 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12957 #ignore instead of #scratch for %g7 .register directive.
12959 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12961 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12964 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12966 * flow.c (calculate_global_regs_live): Assert that there aren't any
12969 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12971 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12972 what its name says.
12973 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12974 bsi_after_labels iterator.
12975 * tree-if-conv.c (find_phi_replacement_condition,
12976 replace_phi_with_cond_modify_expr): Likewise.
12977 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12978 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12980 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12982 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12984 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12987 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12988 array after growing it.
12990 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12992 PR middle-end/24901
12993 * fold-const.c (fold_checksum_tree): Change type of buf.
12995 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12997 * reload.c (push_secondary_reload): Initialize t_icode.
12999 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13001 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13002 -msoft-float -mlong-double-128 only issue a warning, but don't
13003 swich to DFmode long double.
13005 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13007 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13008 has a constant equivalent, iterate over equivalents for arg0,
13009 calling simplify_relational_operation and if there's a result
13010 cheaper than X, apply fold_rtx and return the result.
13012 2006-02-01 Jan Hubicka <jh@suse.cz>
13014 * opts.c (no_unit_at_a_time_default): New global variable.
13015 (decode_options): Use it.
13016 * opts.h (no_unit_at_a_time_default): Declare.
13018 2006-02-01 Paul Brook <paul@codesourcery.com>
13020 * function.c (assign_parm_setup_reg): Use function argument promotion
13022 * expr.c (expand_expr_real_1): Use function argument promotion rules
13025 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13027 * gcc.c (process_command): Change j to 'unsigned int'.
13029 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13031 PR middle-end/26001
13032 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13033 Use the corrected index for the character
13034 out of the string constant.
13036 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13038 * mode-switching.c (optimize_mode_switching): Fix size
13039 allocated for bb_info[n_entities].
13041 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13043 * gcc.c (main): Correct type that is allocated for
13044 explicit_link_files.
13046 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13048 * config/s390/s390.c (init_alignment_context): Set
13049 ALIAS_SET_MEMORY_BARRIER on the MEM.
13050 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13052 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13054 PR middle-end/25933
13055 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13057 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13060 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13062 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13063 * regrename.c: Ditto.
13064 * tree-ssa-loop-im.c: Ditto.
13065 * tree-dump.c: Ditto.
13066 * tree-complex.c: Ditto.
13067 * genrecog.c: Ditto.
13068 * tree-ssa-threadupdate.c: Ditto.
13070 * java/class.c: Ditto.
13071 * java/jcf-parse.c: Ditto.
13072 * java/resource.c: Ditto.
13073 * java/except.c: Ditto.
13074 * java/jvspec.c: Ditto.
13075 * java/jcf-write.c: Ditto.
13076 * java/jcf-path.c: Ditto.
13077 * java/gjavah.c: Ditto.
13078 * java/zextract.c: Ditto.
13079 * java/jcf-io.c: Ditto.
13080 * java/jcf.h: Ditto.
13081 * java/buffer.c: Ditto.
13082 * java/lang.c: Ditto.
13083 * java/parse-scan.y: Ditto.
13084 * java/lex.c: Ditto.
13085 * java/lex.h: Ditto.
13086 * cfgloopmanip.c: Ditto.
13087 * postreload-gcse.c: Ditto.
13088 * tree-ssa-loop-manip.c: Ditto.
13089 * postreload.c: Ditto.
13090 * tree-ssa-loop-ch.c: Ditto.
13093 * cppspec.c: Ditto.
13094 * diagnostic.c: Ditto.
13096 * genoutput.c: Ditto.
13098 * cfghooks.c: Ditto.
13099 * cfgloopanal.c: Ditto.
13100 * objc/objc-act.c: Ditto.
13102 * genextract.c: Ditto.
13103 * genautomata.c: Ditto.
13104 * pretty-print.c: Ditto.
13105 * genemit.c: Ditto.
13106 * cgraphunit.c: Ditto.
13108 * df-scan.c: Ditto.
13109 * haifa-sched.c: Ditto.
13110 * dominance.c: Ditto.
13112 * tree-ssa-loop-ivopts.c: Ditto.
13113 * df-core.c: Ditto.
13114 * mode-switching.c: Ditto.
13115 * modulo-sched.c: Ditto.
13117 * ipa-pure-const.c: Ditto.
13119 * fix-header.c: Ditto.
13121 * tree-stdarg.c: Ditto.
13122 * ipa-utils.c: Ditto.
13123 * loop-init.c: Ditto.
13124 * ipa-inline.c: Ditto.
13125 * cfganal.c: Ditto.
13127 * alloc-pool.c: Ditto.
13128 * dwarf2out.c: Ditto.
13130 * genattrtab.c: Ditto.
13131 * tree-ssa-loop-ivcanon.c: Ditto.
13132 * predict.c: Ditto.
13133 * timevar.c: Ditto.
13135 * fortran/gfortranspec.c: Ditto.
13136 * regmove.c: Ditto.
13137 * local-alloc.c: Ditto.
13138 * langhooks.c: Ditto.
13139 * function.c: Ditto.
13140 * tree-vectorizer.c: Ditto.
13142 * ipa-type-escape.c: Ditto.
13144 * tree-if-conv.c: Ditto.
13145 * profile.c: Ditto.
13147 * tree-data-ref.c: Ditto.
13148 * loop-unroll.c: Ditto.
13149 * treelang/treetree.c: Ditto.
13151 * bt-load.c: Ditto.
13152 * ggc-common.c: Ditto.
13154 * coverage.c: Ditto.
13156 * tree-cfgcleanup.c: Ditto.
13157 * tree-ssa-pre.c: Ditto.
13158 * cfgcleanup.c: Ditto.
13159 * loop-invariant.c: Ditto.
13160 * loop-iv.c: Ditto.
13161 * ipa-prop.c: Ditto.
13162 * print-tree.c: Ditto.
13163 * conflict.c: Ditto.
13164 * ggc-page.c: Ditto.
13165 * sched-deps.c: Ditto.
13166 * regclass.c: Ditto.
13167 * tree-object-size.c: Ditto.
13168 * combine.c: Ditto.
13169 * bb-reorder.c: Ditto.
13170 * resource.c: Ditto.
13171 * var-tracking.c: Ditto.
13172 * cfgloop.c: Ditto.
13173 * df-problems.c: Ditto.
13174 * reg-stack.c: Ditto.
13176 * gccspec.c: Ditto.
13177 * sched-rgn.c: Ditto.
13178 * tree-ssa-structalias.c: Ditto.
13179 * tree-ssa-reassoc.c: Ditto.
13180 * config/darwin-c.c: Ditto.
13181 * config/darwin.c: Ditto.
13182 * config/arm/arm.c: Ditto.
13184 * collect2.c: Ditto.
13185 * reload1.c: Ditto.
13187 2006-01-31 Nicolas Pitre <nico@cam.org>
13189 * arm.md (smaxsi3): Make aware of smax_m1.
13192 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13194 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13196 2006-01-31 Richard Guenther <rguenther@suse.de>
13198 * doc/invoke.texi (-msselibm): Document.
13199 * target.h (expand_library_builtin): New target hook.
13200 * builtins.c (expand_builtin): Use expand_library_builtin.
13201 (default_expand_library_builtin): New function.
13202 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13203 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13204 (link_gcc_math_spec): Declare.
13205 (static_specs): Add link_gcc_math_spec.
13206 * expr.h (default_expand_library_builtin): Declare.
13207 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13208 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13209 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13210 * config/i386/i386.opt (msselibm): New target option.
13211 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13212 (ix86_init_sse_abi_builtins): New function.
13213 (ix86_expand_library_builtin): Likewise.
13214 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13215 (override_options): Handle error conditions wrt -msselibm.
13216 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13217 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13218 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13221 2006-01-31 Richard Guenther <rguenther@suse.de>
13222 Paolo Bonzini <bonzini@gnu.org>
13224 * doc/install.texi (--disable-libgcc-math): Document.
13226 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13228 * expr.h (expand_normal): new inline function.
13229 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13230 * dojump.c: use it.
13231 * dwarf2out.c: use it.
13234 * expmed.c: use it.
13235 * except.c: use it.
13236 * config/sparc/sparc.c: use it.
13237 * config/i386/i386.c: use it.
13238 * config/rs6000/rs6000.c: use it.
13239 * config/arm/arm.c: use it.
13240 * config/mips/mips.c: use it.
13241 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13243 2006-01-30 Roger Sayle <roger@eyesopen.com>
13245 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13246 argv to the appropriate type.
13248 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13250 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13253 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13256 * config/s390/s390.c (struct machine_function): New flag
13257 decomposed_literal_pool_addresses_ok_p.
13258 (s390_reorg): Set it before final stage of literal pool transforms.
13259 (s390_decompose_address): Only accept displacements of the form
13260 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13262 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13264 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13265 the comparison routine return.
13267 2006-01-30 Michael Matz <matz@suse.de>
13269 * global.c (find_reg): Only evict for global regs.
13270 Take n_refs into account and dump more info.
13272 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13275 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13276 (pragma_trap, pragma_nosave_low_regs): Likewise.
13277 (current_function_anonymous_args): Likewise.
13278 (sh_deferred_function_attributes): New variable.
13279 (sh_deferred_function_attributes_tail): Likewise.
13280 (print_operand): For '@', look up trap_exit attribute.
13281 (calc_live_regs): Look up trapa_handler attribute. For trapa
13282 handlers, save/restore fpscr, but don't do any other
13283 interrupt-specific saves.
13284 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13285 Fix check for partially saved registers to check for SHmedia.
13286 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13287 (sh_output_function_epilogue): Don't clear any of the removed
13289 (sh_insert_attributes): Don't check pragma_interrupt.
13290 Insert deferred attributes. Check that interrupt attribute is
13291 present for other attributes that require its presence.
13292 (sh_attribute_table): Add new attributes trapa_handler and
13294 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13295 Don't check for pragma_interrupt. Don't store argument.
13296 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13297 (sh_deferred_function_attributes): Declare.
13298 (sh_deferred_function_attributes_tail): Likewise.
13299 * sh.md (sp_switch_1): Add operand. Change generator caller.
13300 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13301 (*return_i): Don't use when trap_exit attribute is in effect.
13302 (*return_trapa): New insn pattern.
13303 * sh-c.c: New file.
13304 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13305 setting c_target_objs and cxx_target_objs.
13306 * t-sh: Add rule for sh-c.o.
13308 2006-01-30 Richard Guenther <rguenther@suse.de>
13311 * gimplify.c (gimplify_target_expr): Handle easy cases
13312 without creating a temporary.
13314 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13316 * vec.h (safe_grow): Remove duplicated line.
13318 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13321 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13322 (expand_omp): ... here.
13323 (expand_omp_parallel): Only remove barriers for combined
13324 parallel+workshare constructs.
13326 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13330 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13331 * tree.c (build_qualified_type): Chain the new type to the original
13332 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13333 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13334 (build_pointer_type_for_mode): Only return unqualified types.
13335 (build_reference_type_for_mode): Likewise.
13337 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13339 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13340 * Makefile.in (CXX_COMPAT_WARN): Define.
13341 * configure: Regenerate.
13343 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13346 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13349 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13351 * toplev.c: Fix thinko.
13353 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13354 Marcin Dalecki <martin@dalecki.de>
13356 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13357 (push_srcloc): Use XNEW.
13358 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13360 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13362 * df-core.c (df_set_blocks): Deleted all variable.
13364 2006-01-28 Ian Lance Taylor <ian@airs.com>
13366 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13367 cgraph_output_pending_asms.
13369 2006-01-28 Zack Weinberg <zackw@panix.com>
13371 * c.opt: Add -W(no-)overlength-strings.
13372 * doc/invoke.texi: Document it.
13373 * c-opts.c (c_common_handle_option): -pedantic implies
13374 -Woverlength-strings, if not explicitly disabled already.
13375 (c_common_post_options): -Woverlength-strings defaults to off, and
13376 is always off for C++.
13377 * c-common.c (fix_string_type): Issue warning about strings longer
13378 than is portable only if warn_overlength_strings. Rearrange code
13379 a little for clarity.
13380 * configure.in: Check for -Wno-overlength-strings as well before
13381 enabling -pedantic in stage 1.
13382 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13383 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13385 * genconditions.c (write_header, write_one_condition)
13386 (write_conditions, write_writer): Consolidate very long strings
13387 that were broken up to fit in C89 portable limit. Don't use
13388 printf when fputs will do.
13390 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13392 * combine.c (simplify_comparison <AND>): Check
13393 TRULY_NOOP_TRUNCATION before start using a subreg.
13395 * config/mips/mips.md (*branch_zero<mode>,
13396 *branch_zero<mode>_inverted, *branch_equality<mode>,
13397 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13398 Remove mode check from comparisons.
13400 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13402 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13404 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13406 * expmed.c (const_mult_add_overflow_p): Remove.
13407 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13409 * recog.c (validate_replace_rtx_subexp): Remove.
13410 * recog.h: Remove the prototype for
13411 validate_replace_rtx_subexp.
13413 * integrate.h: Remove the prototype for
13414 copy_decl_for_inlining.
13415 * rtl.h: Remove the prototype for mark_constant_function.
13416 * tree-vectorizer.h: Remove the prototype for
13417 vect_strip_conversion.
13419 * modulo-sched.c (create_partial_schedule,
13420 free_partial_schedule, reset_partial_schedule): Make them
13423 * hooks.c (hook_bool_rtx_int_false): Remove.
13424 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13426 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13428 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13429 and -mlong-double-128 are incompatible.
13430 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13431 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13432 (TARGET_LIBGCC2_CFLAGS): Define.
13433 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13434 (TARGET_LIBGCC2_CFLAGS): Same.
13435 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13437 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13440 * c-typeck.c (build_binary_op): Perform implicit casts of
13441 operands before shortening them.
13443 * cfgloopmanip.c (split_loop_bb): Remove.
13444 * cfgloop.h: Remove the prototype for split_loop_bb.
13446 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13447 * cfgloop.h: Remove the prototype for
13448 flow_loop_outside_edge_p.
13450 * emit-rtl.c (init_virtual_regs): Make it static.
13451 * function.h: Remove the prototype for init_virtual_regs.
13453 * recog.c (peephole2_optimize): Make it static.
13454 * recog.h: Remove the prototype for peephole2_optimize.
13456 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13458 * df-scan.c (df_record_entry_block_defs): Check if
13459 INCOMING_RETURN_ADDR_RTX is defined.
13461 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13462 Kenneth Zadeck <zadeck@naturalbridge.com>
13464 PR rtl-optimization/24762
13465 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13466 * targhooks.c (hook_void_bitmap): New hook prototype.
13467 * targhoohs.h (hook_void_bitmap): Ditto.
13468 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13469 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13470 * target.h (live_on_entry): New function pointer.
13471 * df-scan.c (df_all_hard_regs): Removed.
13472 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13473 (df_scan_free_internal): Added df->entry_block_defs.
13474 (df_scan_alloc): Ditto.
13475 (df_scan_dump): Ditto.
13476 (df_uses_record): Plumbed flag field properly thru calls.
13477 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13478 This part fixes PR24762.
13479 (df_bb_refs_record): Added code to make the frame and arg
13480 pointers live in EH blocks.
13481 (df_refs_record): Added call to df_record_entry_block_defs.
13482 (df_record_entry_block_defs): New function.
13483 * df-core.c: Added comments to describe new artifical defs.
13484 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13485 (entry_block_defs): New field in struct df.
13486 (df_all_hard_regs): Deleted.
13487 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13488 * df-problems.c (df_ru_bb_local_compute_process_def):
13489 Added code to handle artifical defs in the entry to a function.
13490 (df_ru_bb_local_compute): Ditto.
13491 (df_rd_bb_local_compute_process_def): Ditto.
13492 (df_rd_bb_local_compute): Ditto.
13493 (df_lr_bb_local_compute): Ditto.
13494 (df_ur_bb_local_compute): Ditto.
13495 (df_urec_bb_local_compute): Ditto.
13496 (df_chain_create_bb): Ditto.
13497 (df_ur_local_finalize): Removed entry.
13498 (df_urec_init): Ditto.
13499 (df_urec_local_finalize): Ditto.
13500 (df_ri_bb_compute): Added detection of last use of pseudos.
13501 * Makefile.in (df-scan.o): Updated dependencies.
13502 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13503 * config/mips/mips.c (mips_set_live_on_entry): Added.
13504 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13506 * dce.c (marked_insn_p): Added code to handle artifical defs.
13508 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13510 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13512 (_mm_cvtsi128_si64): Likewise.
13513 (_mm_cvtsd_si64): Likewise.
13514 (_mm_cvttsd_si64): Likewise.
13515 (_mm_cvtsi64_sd): Likewise.
13516 (_mm_cvtsi64_si128): Likewise.
13517 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13518 (_mm_cvtsi64_m64): Likewise.
13519 (_m_to_int64): Likewise.
13520 (_mm_cvtm64_si64): Likewise.
13521 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13522 (_mm_cvttss_si64): Likewise.
13523 (_mm_cvtsi64_ss): Likewise.
13524 (_mm_cvtss_f32): Likewise.
13526 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13528 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13529 for pragma redefine_extname.
13531 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13534 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13535 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13536 -mno-minimal-toc to previous content.
13537 (bispecs): Remove goal.
13538 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13539 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13540 compatibility aliases on powerpc-*-*gnu*.
13541 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13542 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13543 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13544 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13545 (ldblspecs): New goal.
13546 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13547 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13549 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13550 L_sf_to_tf or L_df_to_tf is defined.
13552 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13553 Alan Modra <amodra@bigpond.net.au>
13556 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13557 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13558 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13559 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13560 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13561 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13562 (rs6000_override_options): Initialize rs6000_ieeequad.
13563 Initialize TFmode format to ibm_extended_format if not
13565 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13567 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13568 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13569 (function_arg_advance): IBM long double passed in two FPRs, not
13571 (function_arg): IBM long double passed in FPRs.
13572 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13573 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13574 Only multireg GPR aligned.
13575 (rs6000_init_libfuncs): Enable IBM long double functions if not
13577 (rs6000_generate_compare): Use IBM long double compare if not
13579 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13580 (TARGET_IEEEQUAD): Define.
13581 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13582 not TARGET_IEEEQUAD.
13583 * config/rs6000/rs6000.md: Enable TFmode patterns if
13585 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13586 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13587 and -mlong-double-128 are incompatible.
13588 * doc/invoke.texi (-mabi): Collect options together. Add
13589 ibmlongdouble and ieeelongdouble.
13591 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13593 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13595 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13596 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13597 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13598 * rtl.h (rtunion_def): Remove rt_ptr.
13600 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13601 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13602 * config/i386/winnt.c (i386_pe_mark_dllexport)
13603 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13605 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13607 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13609 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13613 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13614 pthread_key_delete. From John David Anglin. gthrw-ify
13615 pthread_getunique_np only if it it's not a macro. Delete
13617 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13618 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13619 __gthread_objc_condition_signal, __gthread_key_delete): Add
13620 "__attribute__ ((__unused__))" to unused arguments.
13621 (__gthread_recursive_mutex_init_function): Add missing return.
13622 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13623 gthr-posix95.h: Use macro-based approach for name redirection
13624 on targets missing weakref.
13626 2006-01-26 Zack Weinberg <zackw@panix.com>
13628 * genconditions.c (write_header): In generated code, #ifdef out
13629 all includes and fake declarations, except includes of bconfig.h
13630 and system.h, unless GCC_VERSION >= 3001. Do not include
13631 gensupport.h in any case.
13632 (write_conditions): Generate a definition of struct c_test. Add
13633 a comment to the generated #endif.
13634 (write_one_condition): Escape backslashes in string too.
13635 (write_writer): Generated code must escape backslashes and quote
13636 marks (but not newlines) in the strings it writes.
13637 * Makefile.in (build/gencondmd.o): Update dependencies.
13639 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13642 * Makefile.in (insn-automata.o): Add header file dependencies.
13643 * genautomata.c: Add includes.
13645 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13648 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13650 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13652 * configure.ac: Expect target tools paths to be passed from the toplevel
13653 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13655 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13657 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13660 * c.opt (Wpointer-sign): Init to -1.
13661 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13662 OPT_pedantic, to 0 otherwise.
13663 * doc/invoke.texi: Update.
13665 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13667 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13668 constants provided by 80387 instructions in the destination mode.
13670 2006-01-26 Richard Guenther <rguenther@suse.de>
13671 Andrew Pinski <pinskia@physics.uc.edu>
13674 partial PR tree-opt/17064
13675 * tree-ssa-structalias.c (intra_create_variable_infos):
13676 Create heap variables for incoming parameters if
13677 flag_argument_noalias > 1.
13678 (find_what_p_points_to): Look through default defs of
13681 2006-01-26 Jeff Law <law@redhat.com>
13684 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13685 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13686 within the VR_RANGE, use the VR_RANGE as the result, not the
13688 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13689 bounds for the type.
13691 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13693 * tree-ssa-alias.c (maybe_create_global_var): Change
13694 subvar walking to an assertion that we don't have subvar'd variables.
13696 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13699 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13700 Use a new variable, inner. PARM_DECLs are always non-weak.
13702 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13704 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13705 --disable-checking.
13707 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13709 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13711 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13713 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13714 (smax_insn, smin_insn, smax_0, smin_0): New.
13716 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13719 * config/cris/cris.c (cris_order_for_addsi3): New function.
13720 * config/cris/cris-protos.h: Prototype it.
13721 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13722 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13723 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13724 (split for "op.S1 [rx=rx+i],ry (swapped)")
13725 (split for "op(s|u).S1 [rx=rx+i],ry")
13726 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13727 Apply cris_order_for_addsi3 when generating addsi3 insns.
13729 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13731 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13732 (TREE_BLOCK): Add call to EXPR_CHECK.
13734 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13737 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13738 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13739 (dump_omp_clauses): ... here.
13740 (dump_generic_node): Handle OMP_CLAUSE.
13741 * tree.c (omp_clause_num_ops): New.
13742 (omp_clause_code_name): New.
13743 (tree_code_size): Handle OMP_CLAUSE.
13744 (tree_size): Likewise.
13745 (make_node): Document handling of OMP_CLAUSE.
13746 (tree_node_structure): Handle OMP_CLAUSE.
13747 (omp_clause_check_failed): New.
13748 (omp_clause_range_check_failed): New.
13749 (omp_clause_operand_check_failed): New.
13750 (build_omp_clause): New.
13751 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13752 * tree.h (enum omp_clause_code): Declare.
13753 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13754 (OMP_CLAUSE_RANGE_CHECK): Define.
13755 (OMP_CLAUSE_ELT_CHECK): Define.
13756 (omp_clause_check_failed): Declare.
13757 (omp_clause_operand_check_failed): Declare.
13758 (omp_clause_range_check_failed): Declare.
13759 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13760 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13761 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13762 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13763 (OMP_CLAUSE_IF_EXPR): Likewise.
13764 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13765 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13766 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13767 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13768 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13769 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13770 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13771 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13772 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13773 (OMP_CLAUSE_CODE): Define.
13774 (OMP_CLAUSE_SET_CODE): Define.
13775 (OMP_CLAUSE_CODE): Define.
13776 (OMP_CLAUSE_OPERAND): Define.
13777 (struct tree_omp_clause): Declare.
13778 (union tree_node): Add field 'omp_clause'.
13779 * treestruct.def (TS_OMP_CLAUSE): Define.
13780 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13781 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13782 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13783 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13784 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13785 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13786 (OMP_CLAUSE): Define.
13787 * print-tree.c (print_node): Handle OMP_CLAUSE.
13788 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13789 * c-typeck.c: Likewise.
13790 * gimplify.c: Likewise.
13791 * c-omp.c: Likewise.
13792 * tree-nested.c: Likewise.
13793 * tree-inline.c: Likewise.
13794 * c-parser.c: Likewise.
13795 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13798 2006-01-25 Roger Sayle <roger@eyesopen.com>
13800 PR rtl-optimization/25703
13801 * combine.c (try_combine): Handle zero_extract and strict_low_part
13802 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13804 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13806 * global.c: Fix comment typos.
13808 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13811 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13812 Use output_addr_const instead of assemble_name.
13814 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13816 * Makefile.in (sched-vis.o): Update dependencies.
13817 * haifa-sched.c (sched_finish): Clear current_sched_info.
13818 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13819 (dump_flow_info): Call it.
13820 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13822 * basic-block.h (dump_bb_info): Declare.
13823 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13824 option, and apply options only for dump files whose TDF_RTL,
13825 TDF_TREE, or TDF_IPA bits match.
13826 * rtl.h: Declare new functions exported from sched-vis.c.
13827 * sched-vis.c: Enable also if scheduling is not used.
13828 (print_value): Print the mode of registers if not inside scheduling.
13829 (print_insn): Make it work outside the scheduler. Beautify the output
13831 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13833 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13835 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13836 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13837 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13838 depending on the value of CONSTANT_POOL_ADDRESS_P.
13839 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13841 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13842 rather than SYMBOL_REF_DECL.
13843 (rtx_constant_pool): Remove const_rtx_sym_htab.
13844 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13845 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13846 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13847 Remove handling of const_rtx_sym_htab.
13848 (find_pool_constant): Delete.
13849 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13850 rather than find_pool_constant.
13851 (get_pool_constant_for_function): Delete.
13852 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13853 find_pool_constant.
13854 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13855 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13856 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13857 (SYMBOL_REF_CONSTANT): New macro.
13858 (get_pool_constant_for_function): Delete.
13859 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13860 rather than SYMBOL_REF_DECL.
13861 (i386_pe_mark_dllimport): Likewise.
13862 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13863 rather than SYMBOL_REF_DECL.
13864 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13865 (machopic_indirect_call_target): Likewise.
13867 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13869 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13871 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13873 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13875 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13877 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13879 2006-01-24 David Daney <ddaney@avtrex.com>
13882 * configure.ac (enable_tls): New enable option.
13883 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13884 * configure: Regenerate.
13885 * doc/install.texi (--enable-tls): Document new option.
13886 (--disable-tls): Ditto.
13888 2006-01-24 Richard Henderson <rth@redehat.com>
13890 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13891 * alias.c (true_dependence): Respect it.
13892 (canon_true_dependence, write_dependence_p): Likewise.
13893 * builtins.c (get_builtin_sync_mem): Set it.
13895 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13897 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13900 2006-01-24 DJ Delorie <dj@redhat.com>
13902 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13903 for storing constants in single-bit bitfields.
13905 2006-01-25 Ben Elliston <bje@au.ibm.com>
13907 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13909 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13912 * tree-ssa-pre.c (phi_translate): Return NULL
13913 for AGGREGATE_TYPE's.
13915 2006-01-24 Zack Weinberg <zackw@panix.com>
13917 * genautomata.c (process_state_for_insn_equiv_partition):
13918 Use xcalloc for insn_arcs_array.
13919 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13920 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13922 2006-01-24 Richard Henderson <rth@redhat.com>
13924 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13925 update all callers.
13927 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13929 PR rtl-optimization/25890
13930 PR rtl-optimization/25905
13931 * combine.c (expand_compound_operation, expand_field_assignment):
13932 Fail if the bitfield's final position is out of bounds.
13934 2006-01-24 Ian Lance Taylor <ian@airs.com>
13936 PR middle-end/25930
13937 * cgraphunit.c (cgraph_output_in_order): Don't clear
13938 cgraph_asm_nodes until after asm strings have been output.
13940 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13942 * fix-header.c (read_scan_file): Add new parameter imultilib when
13943 calling register_include_chains.
13945 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13947 * omp-low.c: Update documentation.
13949 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13950 Daniel Berlin <dberlin@dberlin.org>
13954 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13955 return from the function.
13957 2006-01-22 Zack Weinberg <zackw@panix.com>
13959 * rtl.def (match_code): Add second argument.
13960 * genpreds.c (write_extract_subexp): New function.
13961 (write_match_code): Add path argument. Use write_extract_subexp.
13962 (write_predicate_expr): Pass path to write_match_code.
13963 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13964 not perform a mode test.
13965 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13966 a subexpression does not constrain the top-level code set.
13967 * read-rtl.c (read_rtx_variadic): New function.
13968 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13969 * doc/md.texi: Document new notation.
13970 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13971 (cmpsi_operand): ... here, using new notation.
13973 2006-01-22 Zack Weinberg <zackw@panix.com>
13975 * varray.c: Remove GENERATOR_FILE #ifdefs.
13977 2006-01-22 Zack Weinberg <zackw@panix.com>
13979 * genautomata.c (output_reserved_units_table): Emit nothing if
13980 description->query_units_num is zero. Remove extra blank line.
13981 (output_cpu_unit_reservation_p): Short circuit
13982 if description->query_units_num is zero.
13984 2006-01-22 Zack Weinberg <zackw@panix.com>
13986 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13987 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13988 nor any of the random handful of variables that used to be necessary
13989 when this program was linked with rtlanal.o. Prune set of forward
13990 function declarations.
13991 (struct attr_desc): Remove static_p field.
13992 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13993 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13994 (attr_string): Do not read the character one past the length of
13996 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13997 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13998 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13999 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14000 (make_automaton_attrs): New.
14001 (main): Do not call into genautomata. Call local gen_bypass
14002 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14003 Remove special case for insn_alts.
14004 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14005 varray.h (leftover from previous change). Prune set of forward
14006 function declarations. Remove state_alts fields from all
14007 structures. Remove state_alts_table from struct automaton.
14008 Make everything except main static. Do not maintain num_dfa_decls.
14009 Do not maintain state_alts fields of various structures.
14010 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14011 (add_arc): Remove state_alts argument. All callers updated.
14012 (output_reserved_units_table): Emit #ifdef here...
14013 (output_tables): ...not here. Don't generate state_alts tables.
14014 (expand_automata): Don't generate attributes.
14015 (write_automata): Don't generate state_alts functions.
14016 (main): New function.
14017 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14018 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14019 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14020 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14021 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14022 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14023 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14024 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14026 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14027 * genattrtab.h: Delete file.
14028 * Makefile.in (OBJS-common): Add insn-automata.o.
14029 (insn-automata.o): New rule.
14030 (simple_generated_c): Add insn-automata.c.
14031 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14032 (genprogmd): Add automata.
14033 (build/genattrtab): Needs no extra objects nor libraries.
14034 (build/genautomata): Needs build/vec.o and -lm.
14036 2006-01-22 Zack Weinberg <zackw@panix.com>
14038 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14039 (output_dfa_max_issue_rate, locked_states_num): Delete.
14040 (struct automaton): Add locked_states field.
14041 (output_dead_lock_vect): Save number of locked states in
14042 automaton->locked_states. If it is zero, don't print anything.
14043 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14044 (output_internal_dead_lock_func): Only test the dead_lock_vect
14045 for automata that have locked states.
14046 (output_statistics): Always print the number of locked states for
14047 each automaton. Calculate total number of locked states here.
14048 (write_automata): Don't call output_dfa_max_issue_rate.
14049 * genattrtab.c: Define length_unit_log as a const variable.
14050 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14051 max_insn_queue_index const.
14052 * final.c (length_unit_log): Declare const.
14053 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14055 2006-01-22 Zack Weinberg <zackw@panix.com>
14057 * genautomata.c: Include vec.h, not varray.h.
14058 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14059 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14060 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14061 VEC_* macros operating on appropriately typed vectors, or to
14062 malloced arrays when the size is known in advance. Const-ify
14063 many char* variables and function arguments. No functional changes.
14064 * Makefile.in (build/varray.o): Delete rule.
14065 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14066 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14068 2006-01-22 Zack Weinberg <zackw@panix.com>
14070 * gensupport.c: Define get_insn_name and record_insn_name here.
14071 (read_md_rtx): Call record_insn_name as appropriate.
14072 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14073 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14074 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14076 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14077 (BUILD_VARRAY): Delete.
14078 (genprognormal): Rename genprogmd. Fold in all programs from
14079 genprognoprint; also attrtab.
14080 (build/genattrtab): Just mention genautomata.o and varray.o.
14081 Reorganize a bit, add comments to make the categories clearer.
14083 2006-01-22 Zack Weinberg <zackw@panix.com>
14085 * genconditions.c (condition_table, add_condition): Delete.
14086 (write_conditions): Don't emit n_insn_conditions nor
14087 insn_elision_unavailable. Issue the gcc version #ifdef here,
14088 inside the table, with no #else clause ...
14089 (write_header): ...not here.
14090 (write_writer): New function.
14091 (main): Don't initialize condition_table. Use add_c_test.
14093 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14094 files on the command line.
14095 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14096 Return -1 if there is no entry in the table, don't abort.
14097 (add_c_test, traverse_c_tests): New functions.
14098 * gensupport.h (insn_elision_unavailable, insn_conditions)
14099 (n_insn_conditions): Delete declarations.
14100 (add_c_test, traverse_c_tests): Declare.
14101 * read-rtl.c: Include gensupport.h.
14102 (read_conditions): New function.
14103 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14104 (read_rtx_1): If we get EOF when we were looking for an initial
14105 open paren, return 0. Call read_conditions when appropriate.
14106 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14107 dummy-conditions.o. Eliminate references to insn-conditions.o,
14108 or change them to build/gencondmd.o, as appropriate. Remove
14109 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14110 from $(simple_generated_c). For all files remaining in those
14111 two lists, add insn-conditions.md to the generator command line.
14112 Give insn-constants.h/s-constants their own rules. Add rules
14113 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14114 (build/read-rtl.o): Depend on gensupport.h.
14115 (genprognormal): Include preds.
14116 (genprogearly): Rename genprognoprint; only difference is now that
14117 they don't link with $(BUILD_PRINT).
14118 * dummy-conditions.c: Delete.
14120 2006-01-22 Zack Weinberg <zackw@panix.com>
14122 * genextract.c: Don't include insn-config.h. Do include vec.h.
14123 Declare vectors of int, char, and locstr.
14124 (locstr): New typedef.
14125 (struct extraction): Make all array fields into bare pointers.
14126 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14127 (insn_code_number): Delete.
14128 (accum_extract): New struct.
14129 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14130 (gen_insn): Take insn_code_number as an argument. Use an
14131 accum_extract structure instead of loading data directly into
14132 a struct extraction, and having to know how big it might get.
14133 (walk_rtx): Operate entirely on an accum_extract structure.
14134 (print_path): Avoid unnecessary use of printf.
14135 (print_header): New function, split out of main. Distinguish
14136 more carefully between an unrecognizable insn and an insn that
14137 has the code number of a define_expand.
14138 (main): Pass insn_code_number to gen_insn. Call print_header
14139 only after parsing. Avoid unnecessary use of printf.
14140 * Makefile.in (build/vec.o): New rule.
14141 (build/genextract): Depend on build/vec.o.
14142 (build/genextract.o): Don't depend on insn-config.h.
14144 2006-01-22 Zack Weinberg <zackw@panix.com>
14146 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14147 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14148 practical. Eliminate per-generator-program link rules.
14150 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14152 PR middle-end/24437
14153 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14154 with a call expr to ...
14155 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14157 2006-01-23 Richard Guenther <rguenther@suse.de>
14159 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14160 before make_edge with conditional EDGE_TRUE_VALUE.
14162 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14163 Jan Hubicka <jh@suse.cz>
14164 Richard Guenther <rguenther@suse.de>
14166 PR rtl-optimization/25654
14167 * cfgexpand.c (aggregate_contains_union_type): New function.
14168 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14169 for structure variables that contain a union type.
14171 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14173 * gengtype.c (new_structure): Return the structure.
14174 (create_option): Add an extra "next" argument.
14175 (create_field): New function.
14176 (adjust_field_rtx_def): Use create_option and create_field.
14177 Remove a now-unnecessary call to find_structure.
14178 (adjust_field_tree_def): Likewise.
14179 (note_yacc_type): Remove an unnecessary call to find_structure.
14180 * gengtype.h (new_structure): Return the structure.
14181 (create_option): Add an extra argument.
14182 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14183 (option): Adjust calls to create_option.
14185 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14187 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14189 2006-01-22 Paul Brook <paul@codesourcery.com>
14190 Peter Barada <peter@the-baradas.com>
14192 * config/m68k/m68k.md: Add Coldfire FPU support.
14193 Define FP mode macro and associated attributes.
14194 Use it for float mode patterns.
14195 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14196 (LIBCALL_VALUE): Use m68k_libcall_value.
14197 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14198 (m68k_function_value): Ditto.
14199 (emit_move_sequence): Ditto.
14200 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14201 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14202 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14203 (MULTILIB_EXCEPTIONS): Ditto.
14204 * config/m68k/m68k.opt: Add mcfv4e.
14205 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14206 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14207 (m68k_output_function_prologue): Save ColdFire FPU registers.
14208 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14209 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14210 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14211 ColdFire FPU registers.
14212 (m68k_libcall_value, m68k_function_value): New functions.
14213 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14214 (LIBCALL_VALUE): Use m68k_libcall_value.
14215 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14216 (MASK_COLDFIRE): Add MASK_CFV4E.
14217 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14218 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14219 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14220 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14221 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14222 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14223 * doc/invoke.tex: Document -mcfv4e on m68k.
14225 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14227 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14230 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14233 * c-opts.c (c_common_handle_option): Don't include
14234 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14235 * doc/invoke.texi (C++ Dialect Options): Document that
14236 -Wnon-virtual-dtor is no longer included in -Wall.
14238 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14240 * gcov.c (print_version), gcov-dump.c (print_version),
14241 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14244 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14246 * df-scan.c (problem_SCAN): Added NULL reset function.
14247 (df_scan_reset_blocks): Added code to call reset block function
14248 (df_bb_refs_delete) Fixed comment.
14249 (df_insn_refs_delete): Made tolerant of deleting non existent info
14250 for dataflow problems that need to be reset.
14251 * df-core.c (df_set_blocks): Ditto.
14252 * df.h (struct df_problem): Added reset_fun.
14253 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14254 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14255 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14256 functions to clear out all references to def-use or use-def chains.
14258 2006-01-21 Ben Elliston <bje@au.ibm.com>
14260 * varasm.c (assemble_real): Initialise data array.
14262 2006-01-20 Paul Brook <paul@codesourcery.com>
14264 Merge from csl-arm-branch.
14265 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14266 * config/arm/arm.md (movdi): Force operands[1] to a register
14267 if we have a non-register source.
14268 (*arm_movdi, *movdf_soft_insn): Require that one of the
14269 operands be a register.
14270 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14271 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14273 2006-01-20 DJ Delorie <dj@redhat.com>
14275 * varasm.c (initializer_constant_valid_p): Allow pointers
14276 initialized from integer constants of lesser precision.
14277 (output_constant): Allow non-int-sized pointer modes to be
14278 initialized from integer constants.
14280 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14283 * cppdefault.h (struct default_include): Add multilib flag.
14284 * cppdefault.c (cpp_include_defaults): Set it.
14285 * c.opt (-imultilib): New option.
14286 * c-opts.c (imultilib): New.
14287 (c_common_handle_option): Handle -imultilib.
14288 (c_common_post_options): Likewise.
14289 * c-incpath.c (add_standard_paths, register_include_chains):
14291 * c-incpath.h (register_include_chains): Add extra parameter.
14292 * gcc.c (do_spec_1): Generate -imultilib option.
14293 (The Specs Language): Update %I description.
14294 (process_command): Update copyright notice.
14295 * doc/cppopts.texi (-imultilib): Document.
14296 * doc/invoke.texi (-imultilib): Include in option summary.
14297 (%I): Update specs documentation.
14299 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14301 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14303 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14305 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14308 2006-01-20 Richard Guenther <rguenther@suse.de>
14309 Steven Bosscher <stevenb.gcc@gmail.com>
14311 PR rtl-optimization/24626
14312 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14313 EDGE_TRUE_VALUE if in RTL mode.
14316 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14317 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14319 2006-01-20 Dirk Mueller <dmueller@suse.com>
14322 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14323 instead of a special NOP marker.
14324 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14325 NOP marker handling.
14326 * c-common.h (empty_body_warning): Add forward declaration.
14327 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14328 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14330 2006-01-20 Paul Brook <paul@codesourcery.com>
14332 * Makefile.in (lang_checks): Keep going if mkdir fails.
14334 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14336 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14337 be able to clean out basic block when not necessary.
14338 (df_scan_free): Fixed to properly delete information if df is
14339 unused before calling df_finish.
14340 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14341 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14343 (df_bb_refs_delete): New function.
14344 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14345 * df-core.c (df_set_blocks): Added code to properly clean out
14346 unused blocks if they are not part of the blocks to consider.
14347 Added additional null check.
14348 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14349 be able to clean out basic block when not necessary
14350 * df.h (df_free_bb_function): Ditto.
14351 (df_bb_refs_delete): New function.
14352 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14353 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14354 basic block parameter to be able to clean out basic block when not
14356 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14357 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14358 Fixed to properly delete information if df is unused before
14361 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14363 PR rtl-optimization/25799
14364 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14365 Corrected confluence operator to remove bits from op2 before oring
14366 with op1 rather than removing bits from op1.
14367 (df_ru_transfer_function): Corrected test on wrong bitmap which
14368 caused infinite loop. Both of these problems were introduced in
14369 the dataflow rewrite.
14371 2006-01-19 DJ Delorie <dj@redhat.com>
14373 * reload1.c (find_reload_regs): Note the details of reload
14374 failures in the dump file.
14375 (spill_failure): Likewise.
14377 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14379 * loop-iv.c: Include df.h and hashtab.h.
14380 (enum iv_grd_result): New enum.
14381 (DF_REF_IV, DF_REF_IV_SET): New macros.
14382 (struct biv_entry): New.
14383 (df, bivs): New global variables.
14384 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14385 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14387 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14388 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14389 analyzed_for_bivness_p, record_biv): New functions.
14390 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14391 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14392 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14394 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14396 (iv_number_of_iterations): Use new interface to iv analysis.
14397 * loop-unroll.c: Do not include varray.h.
14398 (analyze_iv_to_split_insn): Use new interface to iv
14400 * loop-unswitch.c (may_unswitch_on): Ditto.
14401 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14403 (df_bb_modify): Realloc tables to the new index.
14404 (df_find_use): New function.
14405 * df.h (df_find_use): Declare.
14406 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14408 * cfgloop.h (struct rtx_iv): Remove analysed field.
14409 (iv_get_reaching_def): Removed.
14410 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14411 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14412 (loop-iv.o): Add df.h and hashtab.h dependency.
14413 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14415 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14418 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14420 (__floatundisf, __floatundidf): Likewise.
14421 * libgcc2.h (IS_IBM_EXTENDED): Define.
14423 2006-01-19 DJ Delorie <dj@redhat.com>
14425 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14427 2006-01-19 Paul Brook <paul@codesourcery.com>
14429 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14430 as nothrow when unwinding tables are disabled.
14432 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14435 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14436 of bit-field" when in system header.
14438 2006-01-19 DJ Delorie <dj@redhat.com>
14440 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14441 the 16 bit shift limit of the m16c.
14443 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14446 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14447 * config/i386/i386.c (output_set_got): Output the label if we have one
14448 for the TARGET_DEEP_BRANCH_PREDICTION case.
14450 2006-01-19 Jan Hubicka <jh@suse.cz>
14451 H.J. Lu <hongjiu.lu@intel.com>
14452 Evandro Menezes <evandro.menezes@amd.com>
14454 * invoke.texi (generic): Document
14456 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14457 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14458 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14459 (x86_use_incdec, x86_pad_returns): New variables
14460 (TARGET_CPU_DEFAULT_generic): New constant
14461 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14462 (enum processor_type): Add generic32 and generic64.
14463 * i386.md (cpu attribute): Add generic32/generic64
14464 (movhi splitter): Behave sanely when both partial_reg_dependency and
14465 partial_reg_stall are set.
14466 (K8 splitters): Enable for generic as well.
14467 * predicates.md (incdec_operand): Use TARGET_INCDEC
14468 (aligned_operand): Avoid memory mismatch stalls.
14469 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14470 * ppro.md: Enable for generic32
14471 * i386.c (generic64_cost, generic32_cost): New.
14472 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14473 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14474 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14475 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14476 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14477 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14478 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14479 x86_accumulate_outgoing_args, x86_prologue_using_move,
14480 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14481 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14482 Enable for generic.
14483 (x86_use_incdec, x86_pad_returns): New.
14484 (override_options): Add generic32 and generic64, translate "generic"
14485 to generic32/generic64 and "i686" to "generic32", refuse
14486 "generic32"/"generic64" as arch target.
14487 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14488 (ix86_reorg): Honor PAD_RETURNS.
14490 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14492 * tree-pretty-print.c (dump_generic_node): Handle
14493 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14494 * cgraph.c (cgraph_expand_queue): Rename from
14495 cgraph_analyze_queue. Update all users.
14496 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14497 cgraph_expand_queue.
14498 (cgraph_expand_all_functions): Likewise.
14499 (cgraph_finalize_pending_functions): Remove. Update callers.
14501 * tree.h (OMP_DIRECTIVE_P): Define.
14502 (OMP_PARALLEL_FN): Define.
14503 (OMP_PARALLEL_DATA_ARG): Define.
14504 (OMP_SECTIONS_SECTIONS): Define.
14505 * tree-pass.h (pass_expand_omp): Declare.
14506 * omp-low.c (struct omp_region): Declare.
14507 (struct omp_context): Remove fields 'parallel_type',
14508 'parallel_start_ix' and 'parallel_start_additional_args'.
14510 (struct omp_for_data): Rename from struct expand_omp_for_data.
14511 (omp_regions): New static variable.
14512 (root_omp_region): New static variable.
14513 (find_omp_clause): Make static.
14514 (is_in_combined_parallel_ctx): Remove.
14515 (is_combined_parallel): New.
14516 (extract_omp_for_data): Move earlier in the file.
14517 (workshare_safe_to_combine_p): New.
14518 (get_ws_args_for): New.
14519 (determine_parallel_type): Move earlier in the file.
14520 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14522 (omp_copy_decl): Likewise.
14523 (create_omp_child_function): Likewise.
14524 (lookup_omp_region): New.
14525 (dump_omp_region): New.
14526 (debug_omp_region): New.
14527 (debug_all_omp_regions): New.
14528 (new_omp_region): New.
14529 (scan_omp_parallel): If parallel_nesting_level > 1, the
14530 directive is nested within another parallel directive.
14531 Set OMP_PARALLEL_FN.
14532 (scan_omp_for): Do not try to handle combined parallel+for
14534 Remove FIXME comment.
14535 (scan_omp_nested): Remove.
14536 (scan_omp_1): Do not call scan_omp_nested when
14537 parallel_nesting_level is > 1.
14538 Do not change the DECL_CONTEXT of local variables found.
14539 (lookup_decl_in_outer_ctx): New.
14540 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14541 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14542 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14543 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14544 If CTX is nested, lookup VAR in the outer context when
14545 building copy assignment.
14546 (lower_send_clauses): Rename from expand_send_clauses.
14547 If CTX is nested, lookup VAR in the outer context when
14548 building copy assignments.
14549 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14550 If CTX is nested, lookup VAR in the outer context when
14551 building copy assignments.
14552 (expand_parallel_call): Rename from build_parallel_call.
14553 Handle combined parallel+workshare cases.
14554 Re-implement to emit code into the CFG.
14556 (expand_omp_parallel): Re-implement to emit code into the CFG.
14557 Call move_sese_region_to_fn to outline the sub-graph
14558 containing the parallel region.
14559 (expand_omp_for_1): Remove.
14560 (expand_omp_for_generic): Re-implement to emit code into the
14562 (expand_omp_for_static_nochunk): Likewise.
14563 (expand_omp_for_static_chunk): Likewise.
14564 (expand_omp_for): Likewise.
14565 (expand_omp_sections): Likewise.
14566 (remove_exit_barriers): New.
14567 (expand_omp_synch): New.
14569 (build_omp_regions_1): New.
14570 (build_omp_regions): New.
14571 (execute_expand_omp): New.
14572 (gate_expand_omp): New.
14573 (pass_expand_omp): Define.
14574 (lower_omp_sections): Rename from expand_omp_sections.
14575 Set OMP_SECTIONS_SECTIONS.
14576 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14577 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14578 (lower_omp_single): Rename from expand_omp_simple.
14579 (lower_omp_master): Rename from expand_omp_master.
14580 (lower_omp_ordered): Rename from expand_omp_ordered.
14581 (lower_omp_critical): Rename from expand_omp_critical.
14582 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14583 (lower_omp_for): Re-implement.
14584 (lower_omp_parallel): Re-implement.
14585 (lower_regimplify): Rename from expand_regimplify.
14586 (lower_omp_1): Rename from expand_omp_1.
14587 If there are syntax errors in the program, replace every
14588 OpenMP directive with NOP.
14589 Call lower_omp_* instead of expand_omp_*.
14590 (lower_omp): Rename from expand_omp.
14592 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14593 * tree-gimple.h (enum omp_parallel_type): Remove.
14594 (gimple_boolify): Declare extern.
14595 (find_omp_clause, determine_parallel_type): Remove.
14597 * gimple-low.c (lower_omp_directive): New.
14598 (lower_stmt): Call it.
14599 (record_vars_into): Move from ...
14600 (record_vars): ... here.
14601 Call record_vars_into with current_function_decl.
14603 * gimplify.c (struct gimplify_ctx): Remove fields
14604 combined_pre_p and combined_ctxp. Update users.
14605 (get_formal_tmp_var): Add documentation.
14606 (gimple_boolify): Make extern.
14607 (gimplify_expr_in_ctx): Remove. Update callers.
14608 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14609 will always be a BIND_EXPR.
14610 (gimplify_expr): Handle OMP_RETURN_EXPR.
14611 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14612 (OMP_PARALLEL): Add 3 operands.
14613 (OMP_SECTIONS): Add 1 operand.
14614 (OMP_RETURN_EXPR): Define.
14616 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14617 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14618 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14619 creating a circular free list.
14620 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14622 * tree-flow.h (move_sese_region_to_fn): Declare.
14623 (record_vars_into): Declare.
14624 * tree-cfg.c (make_omp_sections_edges): New.
14625 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14626 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14627 OMP_SECTIONS and OMP_SECTION.
14628 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14629 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14630 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14631 (gather_blocks_in_sese_region): New.
14632 (struct move_stmt_d): Declare.
14633 (move_stmt_r): New.
14634 (move_block_to_fn): New.
14635 (move_sese_region_to_fn): New.
14637 * passes.c (init_optimization_passes): Schedule
14638 pass_expand_omp after pass_init_datastructures.
14640 * tree-ssa-operands.c (get_expr_operands): Handle
14641 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14642 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14644 2006-01-19 Jeff Law <law@redhat.com>
14646 * tree-vrp.c (extract_range_from_assert): Refine the result range
14647 if the variable referenced by the ASSERT_EXPR has a range and
14648 either the tentative result range or the previous range is a
14651 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14653 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14655 2006-01-19 Jan Hubicka <jh@suse.cz>
14657 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14659 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14661 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14662 (expand_compound_operation, expand_field_assignment): Fail if the
14663 bit lengths of an extract operation are out of range.
14664 (make_extraction): Compute wanted_inner_mode based on the position
14665 and length of the extraction. Make it extraction_mode for non-constant
14666 positions, and do not modify offset in that case. When generating a
14667 new MEM, use a mode that can hold the extraction while keeping correct
14668 alignment. Remove code that supported MEMs wrapped by USEs.
14669 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14671 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14673 * config/s390/s390.md ("Y", "y"): New mode attribute.
14674 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14675 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14676 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14677 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14678 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14679 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14680 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14681 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14682 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14683 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14684 "addsi3", "subsi3"): Insn patterns removed.
14685 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14686 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14687 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14688 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14689 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14690 "*sub<mode>3_cconly2"): New insn patterns.
14691 ("addsi3", "subsi3"): New expanders.
14693 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14695 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14696 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14697 existing STMT_VINFO_VECTYPE if available.
14698 (vect_mark_relevant): Add special handling for stmts that are
14699 marked as STMT_VINFO_IN_PATTERN_P.
14700 (vect_analyze_loop): Call vect_pattern_recog.
14701 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14702 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14704 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14705 (vect_recog_func_ptr): New function-pointer type.
14706 * tree-vect-patterns.c: New file.
14707 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14708 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14709 (vect_pattern_recog_1): New functions.
14710 (vect_pattern_recog_funcs): New array of function pointers.
14712 * tree-vectorizer.h (ternary_op): New enum value.
14713 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14714 declaration. Revised documentation. Removed redundant dump prints.
14715 Removed redundant argument. Added support for reduction patterns.
14716 (vectorizable_reduction): Added support for reduction patterns.
14717 (vect_transform_stmt): Added support for patterns.
14719 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14720 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14721 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14722 (expand_widen_pattern_expr): New function.
14723 (init_optabs): Initialize new optabs udot_prod_optab,
14725 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14726 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14727 (expand_widen_pattern_expr): New function declaration.
14728 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14730 * tree-inline.c (estimate_num_insns_1): Added cases for new
14731 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14732 * tree-pretty-print.c (dump_generic_node): Likewise.
14733 (op_prio): Likewise.
14734 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14735 * tree-ssa-operands.c (get_expr_operands): Added case for
14737 * tree-vect-patterns.c (widened_name_p): New function.
14738 (vect_recog_dot_prod_pattern): Added function implementation.
14739 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14740 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14741 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14742 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14744 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14745 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14746 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14747 (init_optabs): Initialize new optabs widen_ssum_optab,
14749 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14750 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14751 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14752 use instead of type of def.
14753 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14754 function implementation.
14755 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14756 widen_ssumv8hi): New.
14758 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14761 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14764 * c-decl.c (add_flexible_array_elts_to_size): New function.
14765 (finish_decl): Use it.
14767 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14769 * diagnostic.h: Include options.h.
14770 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14771 dependancies for diagnostic.h.
14772 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14774 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14776 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14777 (ssa_ro_call_cache_valid): Ditto.
14778 * tree-ssa-alias.c (sort_tags_by_id): New function.
14779 (init_transitive_clobber_worklist): Ditto.
14780 (add_to_worklist): Ditto.
14781 (mark_aliases_call_clobbered): Ditto.
14782 (compute_tag_properties): Ditto.
14783 (set_initial_properties): Ditto.
14784 (compute_call_clobbered): Ditto.
14785 (compute_may_aliases): Call compute_call_clobbered and grouping.
14786 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14787 (compute_flow_insensitive_aliasing): Grouping now happens in our
14789 (setup_pointers_and_addressables): Remove clobbering related code.
14790 (add_may_alias): Ditto.
14791 (replace_may_alias): Ditto.
14792 (get_nmt_for): Ditto.
14793 (create_global_var):
14794 (is_escape_site): Return an escape_type enumeration.
14795 * tree-flow-inline.h (is_call_clobbered): Global var does not
14796 imply call clobbered.
14797 (mark_call_clobbered): Take a reason for marking this. Remove
14798 marking of globalness, and cache invalidation.
14799 (clear_call_clobbered): Remove cache invalidation code.
14800 * tree-dfa.c (dump_variable): If details is on, dump the reason
14802 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14804 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14805 (struct var_ann_d): Ditto.
14806 (enum escape_type): New.
14807 (mark_call_clobbered): Adjust prototype.
14808 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14809 are never call clobbered.
14810 Record reasons for escaping.
14811 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14812 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14813 (ssa_ro_call_cache_valid): Ditto.
14814 (clobbered_v_may_defs): Ditto.
14815 (clobbered_vuses): Ditto.
14816 (ro_call_vuses): Ditto.
14817 (clobber_stats): New.
14818 (init_ssa_operands): Zero out clobber stats.
14819 (fini_ssa_operands): Print out clobber stats.
14820 (get_call_expr_operands): Pass callee fndecl to
14821 add_call_read_ops).
14822 (add_call_clobber_ops): Remove use of cache.
14823 Add use of PURE_CONST information.
14824 (add_call_read_ops): Remove use of cache.
14825 Add use of static not_read information.
14827 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14829 Introduce TLS descriptors for i386 and x86_64.
14830 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14831 (TARGET_ANY_GNU_TLS): New macro.
14832 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14833 (struct machine_function): Add tls_descriptor_call_expanded_p.
14834 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14835 (ix86_current_function_calls_tls_descriptor): Likewise.
14836 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14837 (override_options): Introduce gnu2 tls dialect.
14838 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14840 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14842 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14843 (ix86_init_machine_status): Initialize new field.
14844 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14845 (ix86_tls_module_base): New.
14846 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14847 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14848 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14849 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14850 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14851 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14852 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14853 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14854 * config/i386/predicates.md (tls_modbase_operand): New.
14855 (tp_or_register_operand): New.
14857 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14859 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14860 (look_for_address_of): Ditto.
14861 (ipa_init): Walk the function decls.
14862 (static_execute): Don't set readonly on FUNCTION_DECL's.
14864 2006-01-18 Roger Sayle <roger@eyesopen.com>
14866 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14867 for shifts where the source and destination registers are different.
14869 2006-01-18 Paul Brook <paul@codesourcery.com>
14871 Merge from csl-arm-branch.
14872 2005-03-14 Julian Brown <julian@codesourcery.com>
14873 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14874 (aeabi_llsl): Likewise.
14875 (ashrdi3): Likewise.
14876 (aeabi_lasr): Likewise.
14877 (lshrdi3): Likewise.
14878 (aeabi_llsr): Likewise.
14879 2005-03-10 Julian Brown <julian@codesourcery.com>
14880 * config.gcc: Disable shared libgcc for SymbianOS.
14881 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14883 2006-01-18 DJ Delorie <dj@redhat.com>
14885 * c-pragma.c (handle_pragma_diagnostic): New.
14886 (init_pragma): Register it.
14887 * doc/extend.texi: Document it.
14889 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14890 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14891 (diagnostic_context): Add classify_diagnostic[].
14892 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14893 as errors if they're overridden to DK_WARNING.
14894 (diagnostic_initialize): Initialize classify_diagnostic[].
14895 (diagnostic_set_kind_override): New.
14896 (diagnostic_report_diagnostic): Check for kind changes.
14897 * opts.c (common_handle_option): Take lang_mask. Update callers.
14898 Handle OPT_Werror_.
14899 * common.opt (Werror=): New.
14900 * doc/invoke.texi: Document -Werror=*
14902 2006-01-18 Jeff Law <law@redhat.com>
14904 * tree-vrp.c (test_for_singularity): Correct test for new
14905 min limit. Use operand_equal_p rather than pointer equality
14906 for testing if new min/max values are equal.
14908 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14909 using range information until after propagation and folding.
14911 2006-01-18 Richard Henderson <rth@redhat.com>
14912 Aldy Hernandez <aldyh@redhat.com>
14913 Jakub Jelinek <jakub@redhat.com>
14914 Diego Novillo <dnovillo@redhat.com>
14916 * omp-low.c: New file.
14917 * c-omp.c: New file.
14919 2006-01-18 Richard Henderson <rth@redhat.com>
14920 Jakub Jelinek <jakub@redhat.com>
14921 Diego Novillo <dnovillo@redhat.com>
14923 * doc/invoke.texi: Document -fopenmp.
14924 * tree-dump.h (debug_function): Declare.
14925 * hooks.c (hook_bool_tree_bool_false): New function.
14926 (hook_tree_tree_null): Remove.
14927 (hook_tree_tree_tree_null): New.
14928 * hooks.h: Update to match.
14929 * tree-pretty-print.c (debug_tree_chain): New.
14930 (print_generic_expr): Handle TDF_CHAIN.
14931 (dump_generic_node): Handle BLOCK.
14932 Do not abort with incomplete SWITCH_EXPRs.
14933 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14934 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14935 print space after directive name.
14936 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14937 Handle OMP_MASTER and OMP_ORDERED.
14938 Handle printing of OMP_BODY just in one place, goto
14939 dump_omp_body in the rest of OMP_* nodes that have
14941 Don't handle clause nodes here. Update omp statements to
14942 use dump_omp_clauses.
14943 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14944 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14945 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14946 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14947 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14948 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14949 Adjust output for GOMP_PARALLEL.
14950 (dump_omp_clauses): New.
14951 (print_declaration): Dump DECL_VALUE_EXPR.
14952 (op_symbol_1): Split out of op_symbol.
14953 (dumping_stmts): Remove. Update all users.
14954 * cgraph.c (cgraph_analyze_queue): New.
14955 (cgraph_add_new_function): New.
14956 * cgraph.h (cgraph_analyze_queue): Declare.
14957 (cgraph_add_new_function): Declare.
14958 (cgraph_lower_function): Remove.
14959 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14960 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14961 and TYPE_P nodes in its default clause.
14962 (empty_body_p): New.
14963 (tree_range_check_failed): New.
14964 (build5_stat): New.
14965 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14966 OMP_CLAUSE_REDUCTION_MERGE,
14967 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14968 OMP_CLAUSE_PRIVATE_DEBUG,
14969 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14970 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14971 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14972 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14973 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14974 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14975 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14976 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14977 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14978 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14979 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14980 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14981 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14982 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14983 (TREE_RANGE_CHECK): New.
14984 (empty_body_p): Declare.
14985 (enum omp_clause_default_kind): New.
14986 (build_string_literal): Declare.
14987 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14988 (build5_stat, build5): Declare.
14989 * tree-pass.h (TDF_CHAIN): Define.
14990 * tree-pass.h (PROP_gimple_lomp): Define.
14991 (pass_lower_omp): Declare.
14992 * diagnostic.h (debug_tree_chain): Declare.
14993 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14995 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14996 * builtins.c (build_string_literal): Make extern.
14997 * gcc.c (include_spec_function): New.
14998 (static_spec_functions): Add it.
14999 (main): Move load of libgomp.spec ...
15000 (LINK_COMMAND_SPEC): ... here.
15001 (link_gomp_spec): New.
15002 (static_specs): Include it.
15003 (LINK_COMMAND_SPEC): Add link_gomp.
15004 (GOMP_SELF_SPECS): New.
15005 (driver_self_specs): Include it.
15006 (switch_matches): Don't mark inline.
15007 (main): Load libgomp.spec.
15008 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15009 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15010 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15011 * tree-gimple.h (enum omp_parallel): Declare.
15012 (determine_parallel_type): Declare.
15013 (omp_firstprivatize_variable): Declare.
15014 (omp_reduction_init): Declare.
15015 (diagnose_omp_structured_block_errors): Declare.
15016 (struct walk_stmt_info): Add want_return_expr.
15017 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15018 (find_omp_clause): Declare.
15019 (insert_field_into_struct): Declare.
15020 (struct walk_stmt_info): Move from tree-nested.c
15021 (walk_stmts): Declare.
15022 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15024 * cgraphunit.c (cgraph_lower_function): Make static.
15025 (cgraph_finalize_pending_functions): New.
15026 (cgraph_finalize_function): Call it.
15027 (cgraph_finalize_compilation_unit): Likewise.
15028 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15029 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15030 (BT_FN_UINT_UINT): New.
15031 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15032 DEF_FUNCTION_TYPE_VAR_4): Document.
15033 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15034 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15035 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15036 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15037 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15038 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15039 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15040 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15041 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15042 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15043 into separate files.
15044 (DEF_GOMP_BUILTIN): New.
15045 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15046 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15047 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15048 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15049 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15050 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15051 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15052 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15053 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15054 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15055 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15056 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15057 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15058 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15059 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15060 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15061 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15062 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15063 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15064 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15065 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15066 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15067 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15068 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15069 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15070 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15071 * sync-builtins.def: New file, moved from builtins.def.
15072 * omp-builtins.def: New file, moved from builtins.def.
15073 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15074 * gimple-low.c (lower_function_body): Clear data.
15075 (lower_stmt): Do not handle COMPOUND_EXPR.
15076 Remove call to print_node_brief.
15077 * c-tree.h (c_finish_omp_clauses): New prototype.
15078 (C_DECL_THREADPRIVATE_P): Define.
15079 (lookup_name_no_remap, c_omp_remap_private): Remove
15080 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15081 (check_for_loop_decls): Update decl.
15082 (lookup_name_no_remap, c_omp_remap_private): Declare.
15083 (build_indirect_ref, build_modify_expr, pushdecl,
15084 pushdecl_top_level): Move to c-common.h.
15085 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15086 before the switch, but just in the 2 places that need it.
15087 * c-decl.c (diagnose_mismatched_decls): Do not check for
15088 mismatched thread-local attributes when OLDDECL is marked
15089 threadprivate and NEWDECL has no thread-local attributes.
15090 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15091 (c_gimple_diagnostics_recursively): Rename from
15092 c_warn_unused_result_recursively. Invoke
15093 diagnose_omp_structured_block_errors.
15094 (check_for_loop_decls): Return a singular decl found.
15095 * langhooks.c (lhd_omp_predetermined_sharing): Return
15096 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15097 (lhd_omp_firstprivatize_type_sizes): New.
15098 (lhd_omp_assignment): New.
15099 (lhd_omp_predetermined_sharing): New.
15100 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15101 (struct lang_hooks_for_types): Add
15102 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15103 omp_predetermined_sharing, omp_disregard_value_expr,
15104 omp_private_debug_clause, omp_clause_default_ctor,
15105 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15106 (c_finish_omp_clauses): New.
15107 (c_finish_bc_stmt): Diagnose break within omp for.
15108 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15109 (build_unary_op): Return error_mark after reporting
15111 (build_modify_expr): Likewise.
15112 * gimplify.c: Include optabs.h and pointer-set.h.
15113 (enum gimplify_omp_var_data): Declare.
15114 (struct gimplify_omp_ctx): Declare.
15115 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15117 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15118 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15119 (splay_tree_compare_decl_uid): New.
15120 (new_omp_context): New.
15121 (delete_omp_context): New.
15122 (gimple_add_tmp_var): Call omp_add_variable.
15123 (gimplify_bind_expr): Likewise.
15124 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15125 true, disregard DECL_VALUE_EXPR on the decl if any.
15126 (gimplify_expr_in_ctx): New.
15127 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15128 omp_add_variable, omp_notice_variable, omp_is_private
15129 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15130 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15131 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15132 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15133 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15134 gimplify_omp_atomic): New.
15135 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15136 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15137 OMP_CRITICAL and OMP_ATOMIC.
15138 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15139 * c-pragma.h (enum pragma_kind): Add
15140 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15141 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15142 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15143 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15144 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15145 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15146 PRAGMA_OMP_THREADPRIVATE.
15147 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15148 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15149 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15150 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15151 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15152 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15153 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15154 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15155 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15156 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15157 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15158 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15159 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15161 (struct nesting_info): Add field_map,
15162 suppress_expansion, debug_var_chain.
15163 (create_nesting_tree): Initialize them.
15164 (lookup_field_for_decl): Use field_map.
15165 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15166 (convert_local_omp_clauses): New.
15167 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15168 (walk_body): Split out of walk_function.
15169 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15170 (convert_nonlocal_reference): Handle omp statements.
15171 (convert_local_reference): Likewise.
15172 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15173 (unnest_nesting_tree): New.
15174 (lower_nested_functions): Call it.
15175 (insert_field_into_struct): Make extern.
15176 (struct walk_stmt_info): Move to tree-gimple.h.
15177 (walk_stmts): Make extern.
15178 * omp-builtins.def: New file.
15179 * tree-iterator.c (expr_only): Clarify comment.
15180 * c-common.h (pushdecl_top_level, pushdecl,
15181 build_modify_expr, build_indirect_ref,
15182 c_finish_omp_master, c_finish_omp_critical,
15183 c_finish_omp_ordered, c_finish_omp_barrier,
15184 c_finish_omp_atomic, c_finish_omp_flush,
15185 c_finish_omp_for, c_split_parallel_clauses,
15186 omp_clause_default_kind, c_omp_sharing_predetermined,
15187 c_omp_remap_decl): Declare.
15188 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15189 (OBJS-common): Add omp-low.o.
15190 (c-omp.o, omp-low.o): Add.
15191 (gimplify.o): Add dependency on $(OPTABS_H).
15192 (GTFILES): Add omp-low.c.
15193 (gt-stringpool.h): Add.
15194 * tree-cfg.c (set_bb_for_stmt): Do not update the
15195 block-to-labels map if we are currently expanding to RTL.
15196 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15198 Handle IDENTIFIER_NODE.
15199 (tree_verify_flow_info): Do not ICE when emitting error
15200 messages about invalid labels.
15201 (dump_function_to_file): Reset CFUN before emitting the body
15203 (debug_function): New.
15204 * passes.c (init_optimization_passes): Schedule
15206 * langhooks-def.h (lhd_omp_predetermined_sharing,
15207 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15209 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15210 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15211 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15212 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15213 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15214 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15215 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15216 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15217 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15218 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15219 (LANG_HOOK_DECLS): Use them.
15221 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15222 Richard Henderson <rth@redhat.com>
15223 Jakub Jelinek <jakub@redhat.com>
15224 Diego Novillo <dnovillo@redhat.com>
15226 * c-parser.c (pragma_omp_clause): Define.
15227 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15228 (c_parser_compound_statement): Likewise.
15229 (c_parser_statement): Likewise.
15230 (c_parser_pragma): Handle omp pragmas.
15231 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15232 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15233 (c_parser_omp_clause_name, check_no_duplicate_clause,
15234 c_parser_omp_variable_list,
15235 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15236 c_parser_omp_clause_copyprivate,
15237 c_parser_omp_clause_default,
15238 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15239 c_parser_omp_clause_lastprivate,
15240 c_parser_omp_clause_nowait,
15241 c_parser_omp_clause_num_threads,
15242 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15243 c_parser_omp_clause_reduction,
15244 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15245 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15246 c_parser_omp_atomic, c_parser_omp_barrier,
15247 c_parser_omp_critical, c_parser_omp_flush,
15248 c_parser_omp_for_loop, c_parser_omp_for,
15249 c_parser_omp_master, c_parser_omp_ordered,
15250 c_parser_omp_sections_scope, c_parser_omp_sections,
15251 c_parser_omp_parallel, c_parser_omp_single,
15252 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15253 * c-pragma.c (init_pragma): Do omp pragma registration here.
15254 * c.opt (fopenmp): New flag.
15256 2006-01-18 Eric Christopher <echristo@apple.com>
15258 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15259 * config/darwin.h (GOMP_SELF_SPECS): Define.
15261 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15263 * rtl.h: Remove the prototype for reg_alloc.
15265 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15268 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15269 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15270 sjlj and dwarf2 exception handling.
15271 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15272 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15273 * pa/pa.c (function_value): Treat complex and vector types as
15275 (function_arg): Likewise. Only pass scalar floats in the floating
15276 point argument registers.
15277 * pa/t-slibgcc-dwarf-ver: New file.
15278 * pa/t-slibgcc-sjlj-ver: New file.
15279 * pa/t-slibgcc-elf-ver: Delete file.
15281 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15283 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15284 unlikely_test_section_p test.
15286 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15288 * mode-switching.c (optimize_mode_switching): Make it static.
15289 * basic-block.h: Remove the prototype for
15290 optimize_mode_switching.
15292 * modulo-sched.c (sms_schedule): Make it static.
15293 * rtl.h: Remove the prototype for sms_schedule.
15295 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15296 * rtl.h: Remove the prototype for gcse_after_reload_main.
15298 * reg-stack.c (reg_to_stack): Make it static.
15299 * rtl.h: Remove the prototype for reg_to_stack.
15301 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15303 * rtl.h: Remove the prototypes for regrename_optimize and
15304 copyprop_hardreg_forward.
15306 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15308 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15309 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15310 Test against the appropriate null constant for the mode.
15311 If 'fixup_overlap' is true, swap the operands if they overlap.
15312 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15313 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15314 alpha_split_tmode_pair and adjust for above change.
15315 * config/alpha/alpha.md (movtf_internal): Adjust call to
15316 alpha_split_tfmode_pair and rely on it to swap the operands.
15317 (movti_internal): New insn and post-reload splitter.
15318 (movti): New expander.
15320 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15322 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15325 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15327 * rtlanal.c (global_reg_mentioned_p_1,
15328 global_reg_mentioned_p): Remove.
15329 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15331 * flow.c (initialize_uninitialized_subregs): Make it static.
15332 * rtl.h: Remove the prototype for
15333 initialize_uninitialized_subregs.
15335 * function.c (instantiate_virtual_regs): Make it static.
15336 * function.h: Remove the prototype for
15337 instantiate_virtual_regs.
15339 * regmove.c (regmove_optimize, combine_stack_adjustments):
15341 * rtl.h: Remove the prototypes for regmove_optimize and
15342 combine_stack_adjustments.
15344 2006-01-17 Roger Sayle <roger@eyesopen.com>
15346 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15347 (size_cost): Encode costs in bytes so that a reg-reg addition is
15348 equivalent to COSTS_N_INSNS(1).
15349 (override_options): Use the size_cost.branch_cost as the default
15350 ix86_branch_cost when optimizing for size.
15352 2006-01-18 Ben Elliston <bje@au.ibm.com>
15354 * Makefile.in (D32PBIT_FUNCS): New.
15355 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15356 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15357 D64PBIT_FUNCS and D128PBIT_FUNCS.
15358 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15359 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15361 (decnumber_dep): Define.
15362 * doc/libgcc.texi (Decimal float library routines): New node.
15363 * config/dfp-bit.h, config/dfp-bit.c: New files.
15365 2006-01-18 Ben Elliston <bje@au.ibm.com>
15367 * expr.c (emit_move_change_mode): Always adjust addresses, not
15368 just during reload. Copy replacements only during reload.
15369 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15370 emit_move_via_integer.
15372 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15374 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15375 instead of $(srcdir) and ${srcdir}.
15377 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15380 PR middle-end/11135
15381 * arm.h (struct machine_function): Add pic_reg.
15382 * arm.c (arm_pic_register): Make unsigned.
15383 (arm_override_options): Only set arm_pic_register if
15384 TARGET_SINGLE_PIC_BASE.
15385 (use_return_insn): Only test for a pic register if it is fixed.
15386 (arm_compute_save_reg0_reg12_mask): Likewise.
15387 (thumb_compute_save_reg_mask): Likewise.
15388 (legitimate_pic_operand): Factor out some known invariants.
15389 (legitimize_pic_address): If we don't have a fixed pic register,
15390 then set up a pseudo in the function entry sequence. Handle the
15391 pic base being in a pseudo.
15392 (arm_load_pic_register): Handle the pic register being in a pseudo.
15393 (arm_expand_prologue): Only set up the pic register if it is fixed.
15394 (thumb_expand_prologue): Likewise.
15395 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15396 (pic_load_addr_based_insn): Likewise.
15397 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15400 2006-01-18 Ben Elliston <bje@au.ibm.com>
15402 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15403 decimal float modes for all floating point registers.
15405 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15406 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15408 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15411 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15412 even when the pointer is not NULL.
15414 2006-01-16 Ian Lance Taylor <ian@airs.com>
15416 * common.opt (ftoplevel-reorder): New option.
15417 * cgraph.c (cgraph_asm_nodes): New global variable.
15418 (cgraph_asm_last_node): New static variable.
15419 (cgraph_order): New global variable.
15420 (cgraph_create_node): Set new order field.
15421 (cgraph_varpool_node): Likewise.
15422 (decide_is_variable_needed): Return true if not
15423 flag_toplevel_reorder.
15424 (cgraph_add_asm_node): New function.
15425 * cgraph.h (struct cgraph_node): Add order field.
15426 (struct cgraph_varpool_node): Add order field.
15427 (struct cgraph_asm_node): Define.
15428 (cgraph_asm_nodes, cgraph_order): Declare.
15429 (cgraph_add_asm_node): Declare.
15430 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15432 (cgraph_varpool_assemble_pending_decls): Call it.
15433 (cgraph_output_pending_asms): New static function.
15434 (cgraph_finalize_compilation_unit): Call it.
15435 (struct cgraph_order_sort): Define.
15436 (cgraph_output_in_order): New static function.
15437 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15438 !flag_toplevel_reorder case.
15439 * c-parser.c: Include "cgraph.h".
15440 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15442 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15443 than -fno-unit-at-a-time.
15444 * doc/invoke.texi (Option Summary): Mention
15445 -fno-toplevel-reorder.
15446 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15447 -funit-at-a-time documentation.
15449 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15450 Kazu Hirata <kazu@codesourcery.com>
15452 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15454 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15456 * Makefile.in (FUNCTION_H): New. Use it instead of
15457 function.h throughout the file.
15458 * function.h: Include tree.h.
15460 2006-01-17 Ben Elliston <bje@au.ibm.com>
15462 * recog.c: Separate some functions with whitespace.
15464 2006-01-16 Richard Henderson <rth@redhat.com>
15466 Merge from gomp branch:
15467 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15468 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15469 and rename from struct inline_data. Rename callee* to dst*;
15470 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15471 transform_new_cfg, transform_return_to_modify, and
15472 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15474 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15475 (copy_decl_for_dup): Remove.
15476 * tree-inline.c (struct inline_data): Move to header.
15477 (insert_decl_map): Export.
15478 (remap_decl): Update for member name changes. Use copy_decl hook.
15479 Allow for replacement to be a non-decl. Remove dead code.
15480 (remap_type_1): Check for existing mapping.
15481 (remap_type): Export.
15482 (remap_decls): Update for member name changes.
15483 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15484 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15485 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15486 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15487 (tree_function_versioning, build_duplicate_type): Likewise.
15488 (copy_body_r): Likewise. Export.
15489 (copy_decl_for_dup): Split into ...
15490 (copy_decl_for_dup_finish, copy_decl_to_var,
15491 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15492 (replace_ref_tree, inlining_p): Remove.
15494 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15496 * ifcvt.c (if_convert): Make it static.
15497 * rtl.h: Remove the prototype for if_convert.
15499 * local-alloc.c (local_alloc): Make it static.
15500 * rtl.h: Remove the prototype for local_alloc.
15502 * loop.c (loop_optimize): Make it static.
15503 * cfgloop.h: Remove the prototype for loop_optimize.
15506 2006-01-16 DJ Delorie <dj@redhat.com>
15508 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15511 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15513 * pa.md: Disparage copies between general and floating-point registers
15514 in 32-bit move patterns.
15516 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15519 * Makefile.in (check-%): Depend on site.exp instead of
15520 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15523 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15525 * global.c (global_alloc): Make it static.
15526 * rtl.h: Remove the prototype for global_alloc.
15528 2006-01-16 Richard Guenther <rguenther@suse.de>
15530 * tree-ssa-alias.c (struct used_part): Add write_only field.
15531 (get_or_create_used_part_for): Initialize it to true.
15532 (create_overlap_variables_for): Don't create structure variables
15533 for structures that only are written to.
15534 (find_used_portions): Handle MODIFY_EXPR to track whether a
15535 structure is only written to.
15537 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15539 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15541 * basic-block.h: Remove the prototype for
15542 partition_hot_cold_basic_blocks.
15544 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15546 * cppspec.c (lang_specific_spec_functions): Remove.
15547 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15548 * gcc.h (lang_specific_spec_functions): Remove.
15549 * gccspec.c (lang_specific_spec_functions): Remove.
15551 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15553 * combine.c (record_value_for_reg): Invalidate registers
15555 (record_dead_and_set_regs_1): Likewise, by passing them to
15556 record_value_for_reg.
15557 (record_dead_and_set_regs): Invalidate stores made by a
15558 call. We do not combine across a call, but we still
15559 relied on equivalences.
15561 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15563 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15564 vrp_int_const_binop returning non-constant nodes.
15566 2006-01-16 Paul Brook <paul@codesourcery.com>
15568 * config/m68k/m68k.c (output_move_const_into_data_reg):
15569 Output correct mnemonic for mvz and mvs.
15571 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15573 * rtl-factoring.c: Add sequence abstraction algorithm.
15574 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15575 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15577 (block_has_preserve_label): New function.
15578 * common.opt: Register new pass.
15579 * Makefile.in: Ditto.
15581 * timevar.def: Ditto.
15582 * tree-pass.h: Ditto.
15583 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15584 * rtl.h (make_jump_insn_raw): Add forward decl.
15585 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15587 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15588 Roger Sayle <roger@eyesopen.com>
15590 * fold-const.c (fold_minmax): New static function.
15591 (fold_binary) <MIN_EXPR>: Call it.
15592 <MAX_EXPR>: Likewise.
15593 * stor-layout.c (place_field): Use DECL_SIZE consistently
15594 in the computation of the new record size.
15596 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15598 * cse.c (cse_condition_code_reg): Make it static.
15599 * rtl.h: Remove the prototype for cse_condition_code_reg.
15601 * combine.c (combine_instructions): Make it static.
15602 * rtl.h: Remove the prototype for combine_instructions.
15604 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15607 * tree.c (get_file_function_name_long): Concatenate the first global
15608 object name with a string derived from the input filename of the object
15611 2006-01-16 Ben Elliston <bje@au.ibm.com>
15613 * config/i386/winnt-stubs.c: Update FSF address.
15614 * config/xtensa/ieee754-df.S: Ditto.
15615 * config/xtensa/ieee754-sf.S: Ditto.
15617 2006-01-14 Ian Lance Taylor <ian@airs.com>
15619 * ifcvt.c (noce_init_if_info): New static function, broken out of
15620 noce_process_if_block.
15621 (noce_process_if_block): Call noce_init_if_info.
15622 (check_cond_move_block): New static function.
15623 (cond_move_process_if_block): New static function.
15624 (process_if_block): Call cond_move_process_if_block.
15626 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15628 * cselib.c (hash_table): Rename to cselib_hash_table.
15629 (cselib_clear_table, discard_useless_values,
15630 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15631 cselib_init, cselib_finish): Adjust uses of hash_table.
15633 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15635 PR tree-optimization/25485
15636 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15637 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15638 is known to be false and true, respectively.
15640 2006-01-14 Richard Guenther <rguenther@suse.de>
15642 PR tree-optimization/22548
15643 PR tree-optimization/22555
15644 PR tree-optimization/22501
15645 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15646 * params.def (salias-max-array-elements): New parameter.
15647 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15648 * doc/invoke.texi (salias-max-array-elements): Document.
15649 * tree-flow-inline.h (var_can_have_subvars): We also handle
15651 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15653 * tree-ssa-structalias.c (params.h): Include.
15654 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15655 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15656 (get_constraint_for): For ADDR_EXPR operating on something
15657 containing an ARRAY_REF, add all subvars to the solution.
15658 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15659 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15660 for creating MUST_DEFs.
15661 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15663 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15665 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15667 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15668 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15669 number_of_iterations_le): New functions.
15670 (number_of_iterations_special): Removed.
15671 (number_of_iterations_exit): Do not use number_of_iterations_special.
15672 * tree.c (unsigned_type_for): Always return integer type.
15674 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15675 Richard Guenther <rguenther@suse.de>
15677 PR rtl-optimization/24257
15678 * gcse.c (find_moveable_store): Only consider a store movable
15679 when the SET_SRC of the insn can be assigned to a register.
15681 2006-01-14 Ian Lance Taylor <ian@airs.com>
15683 * tree.c (tree_not_class_check_failed): New function.
15684 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15685 (tree_not_class_check_failed): Declare.
15687 2006-01-13 Ian Lance Taylor <ian@airs.com>
15689 * reload1.c (do_output_reload): Add assertion rejecting a
15692 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15694 * combine.c (struct reg_stat): Add new fields truncation_label and
15696 (record_value_for_reg): Reset truncated_to_mode.
15697 (record_truncated_value): New function.
15698 (check_promoted_subreg): Call it. Rename to check_conversions.
15699 (combine_instructions): Rename check_promoted_subreg to
15701 (reg_truncated_to_mode): New function.
15702 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15703 (gen_lowpart_or_truncate): New function.
15704 (force_to_mode): Use it instead of gen_lowpart.
15706 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15708 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15709 VAR is a tag, not its type tag.
15711 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15713 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15714 alternatives to match style of other entries.
15715 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15717 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15719 PR tree-optimization/25771
15720 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15723 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15726 * tree-inline.c (declare_return_variable): If the return variable
15727 was marked as a non gimple complex, set the return slot variable
15728 to be a non gimple comple variable.
15730 2006-01-13 Richard Guenther <rguenther@suse.de>
15732 * builtins.c (expand_builtin_sincos): New function.
15733 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15735 (expand_builtin): Expand sincos using expand_builtin_sincos.
15737 2006-01-12 DJ Delorie <dj@redhat.com>
15739 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15740 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15741 so that constant shifts can be split.
15742 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15743 (m32c_valid_pointer_mode): Make static.
15744 (shift_gen_func_for): New.
15745 (m32c_prepare_shift): Use it. Split large const shifts into
15747 * config/m32c/predicates.md (shiftcount_operand): Allow more
15749 (longshiftcount_operand): New.
15750 * doc/md.texi (Machine Constraints): Document In6.
15752 2006-01-13 Ben Elliston <bje@au.ibm.com>
15754 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15755 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15758 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15760 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15761 to try to avoid clobbering pieces of structures when we know
15762 something about the whole structure.
15763 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15765 2006-01-13 Ben Elliston <bje@au.ibm.com>
15767 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15768 return in memory, as this is no limitation is no longer present.
15770 2006-01-12 DJ Delorie <dj@redhat.com>
15772 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15773 mova with fb, and for fb+0 -> An.
15775 * config/m32c/mov.md (peephole2): Fix enabling logic.
15777 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15778 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15779 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15780 FINI_ARRAY_SECTION_ASM_OP): Define.
15782 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15784 (m32c_legitimize_reload_address): New logic to reload FB to An.
15785 (m32c_output_reg_push): Add newline.
15786 (m32c_output_reg_pop): Likewise.
15788 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15790 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15792 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15794 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15796 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15798 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15801 2006-01-11 Ben Elliston <bje@au.ibm.com>
15803 * rtlanal.c (find_reg_note): Assert insn is not null.
15805 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15807 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15810 2006-01-11 Jeff Law <law@redhat.com>
15812 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15814 (mark_threaded_blocks, register_jump_thread): New functions.
15815 (thread_through_all_blocks): Remove unwanted argument. No
15816 longer rely on e->aux to communicate thread target info.
15817 Call mark_threaded_blocks. Release the threaded_blocks
15818 bitmap and threaded_edges vector when complete.
15819 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15820 (threaded_blocks): Remove.
15821 (tree_ssa_dominator_optimize): Remove initialization and
15822 finalization of threaded_blocks. Simplify call to
15823 thread_through_all_blocks.
15824 (thread_across_edge): Call register_jump_thread rather than
15825 storing thread information into e->aux.
15826 (free_all_edge_infos): Simplify now that e->aux is no longer
15827 used to communicate with thread_through_all_blocks.
15828 * tree-flow.h (thread_through_all_blocks): Update prototype.
15829 (register_jump_thread): Prototype.
15831 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15833 * df-core.c (df_compact_blocks, df_bb_replace): Use
15834 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15836 2006-01-11 Richard Guenther <rguenther@suse.de>
15838 PR tree-optimization/25734
15839 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15840 stop propagation after successful propagation to the LHS.
15842 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15844 * basic-block.h (control_flow_graph): Change the type of
15845 x_basic_block_info to VEC(basic_block,gc) *.
15846 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15848 (SET_BASIC_BLOCK): New.
15849 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15850 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15851 * cfgbuild.c (find_basic_blocks): Likewise.
15852 * cfglayout.c (fixup_reorder_chain): Likewise.
15853 * cfgrtl.c (create_basic_block_structure,
15854 rtl_create_basic_block): Likewise.
15855 * ifcvt.c (find_if_case_1): Likewise.
15856 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15859 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15861 * Makefile.in: Removed rotted odf.c entry.
15863 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15866 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15867 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15868 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15869 output pattern modifier, not %e.
15870 * config/cris/cris.c (cris_op_str): Update comment about pattern
15872 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15873 before falling through into...
15874 <case 'E'>: Redefined from old 'e' case.
15876 2006-01-11 Jan Hubicka <jh@suse.cz>
15879 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15881 2006-01-11 Jan Hubicka <jh@suse.cz>
15883 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15884 * i386.c (x86_decompose_lea): Kill.
15885 (ix86_rtx_costs): Kill.
15887 2006-01-11 Jan Hubicka <jh@suse.cz>
15889 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15890 * cgraph.h (cgraph_node): Add inline_decl.
15891 (cgraph_insert_node_to_hashtable): Declare.
15892 (save_inline_function_body): Declare.
15893 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15895 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15896 (cgraph_function_versioning): Update call of tree_function_versioning.
15897 (save_inline_function_body): New function.
15898 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15899 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15900 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15901 (cgraph_default_inline_p): Likewise.
15902 (cgraph_decide_inlining_incrementally): Likewise.
15903 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15904 (copy_bb): Kill saving; do updating of clones.
15905 (copy_cfg_body): Kill saving.
15906 (initialize_inlined-parameters): Likewise.
15907 (expand_call_inline): Likewise.
15909 (tree_function_versioning): New parameter "update_clones".
15910 (inlining_p): Kill saving.
15911 * tree-inline.h (tree_function_versioning): Update prototype.
15912 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15915 2006-01-11 Ian Lance Taylor <ian@airs.com>
15917 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15918 Allow undoing set of machine mode.
15919 (do_SUBST): Use enums instead of is_int.
15920 (do_SUBST_MODE): New function.
15921 (SUBST_MODE): New macro.
15922 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15923 reg and trying to replace reg_regno_rtx with a new register.
15924 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15925 (simplify_set): Use SUBST_MODE.
15926 (distribute_notes): Remove code that tried to update reg notes
15927 for regno_reg_rtx changes.
15929 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15931 PR tree-optimization/23109
15932 PR tree-optimization/23948
15933 PR tree-optimization/24123
15935 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15936 * tree-cfg.c (single_noncomplex_succ): New.
15937 * tree-flow.h (single_noncomplex_succ): Declare it.
15938 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15939 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15940 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15941 insert_bb, register_division_in, insert_reciprocals,
15942 replace_reciprocal, free_bb): New.
15943 (execute_cse_reciprocals_1): Rewritten.
15944 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15945 Do not commit any edge insertion. Always compute dominators and
15946 create the allocation pool.
15947 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15948 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15949 * targhooks.c (default_min_divistions_for_recip_mul): New.
15950 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15951 * passes.c (init_optimization_passes): Run recip after tree loop
15953 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15955 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15956 Kenneth Zadeck <zadeck@naturalbridge.com>
15958 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15959 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15960 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15961 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15962 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15963 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15964 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15965 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15966 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15967 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15968 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15969 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15970 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15971 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15972 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15973 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15974 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15975 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15976 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15977 DF_SCAN_POST_ALLOC): New macros.
15978 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15979 df_free_bb_function, df_local_compute_function, df_init_function,
15980 df_dataflow_function, df_confluence_function_0,
15981 df_confluence_function_n, df_transfer_function,
15982 df_finalizer_function, df_free_function, df_dump_problem_function,
15983 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15984 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15985 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15986 df_urec_bb_info, ) New types.
15987 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15989 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15990 df_analyze_simple_change_some_blocks,
15991 df_analyze_simple_change_one_block, df_compact_blocks,
15992 df_bb_replace, df_bb_regno_last_use_find,
15993 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15994 df_insn_regno_def_p, df_find_def, df_find_use,
15995 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15996 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15997 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15998 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15999 debug_df_chain, df_get_dependent_problem, df_chain_create,
16000 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16001 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16002 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16003 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16004 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16005 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16006 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16007 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16008 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16009 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16010 df_reorganize_refs, df_set_state, df_hard_reg_init,
16011 df_read_modify_subreg_p) New public functions.
16012 * df-core.c: The core dataflow solver and glue routines for rtl
16014 (df_init, df_add_problem, df_set_blocks, df_finish,
16015 df_hybrid_search_forward, df_hybrid_search_backward,
16016 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16017 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16018 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16019 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16020 df_reg_defined, df_find_use, df_reg_used, df_dump,
16021 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16022 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16023 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16024 debug_df_useno, reset_df_after_reload): New functions.
16025 * df-scan.c: The scanning fuctions, once in df.c, completely
16026 rewritten so that they now fully model the functionality of
16027 register usage at the backend.
16028 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16029 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16030 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16031 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16032 df_get_artificial_defs, df_get_artificial_uses,
16033 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16034 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16035 df_refs_delete, df_reorganize_refs, df_set_state,
16036 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16037 df_def_record_1, df_defs_record, df_uses_record,
16038 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16039 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16040 df_record_exit_block_uses, df_hard_reg_init): New functions.
16042 * df-problems.c: Seven concrete dataflow problems that use the
16043 scanning in df-scan.c and are solved by the engine in df-core.c.
16044 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16045 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16046 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16047 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16048 df_ru_free_bb_info, df_ru_alloc,
16049 df_ru_bb_local_compute_process_def,
16050 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16051 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16052 df_ru_transfer_function, df_ru_free, df_ru_dump,
16053 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16054 df_rd_free_bb_info, df_rd_alloc,
16055 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16056 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16057 df_rd_transfer_function, df_rd_free, df_rd_dump,
16058 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16059 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16060 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16061 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16062 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16063 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16064 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16065 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16066 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16067 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16068 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16069 df_urec_mark_reg_use_for_earlyclobber,
16070 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16071 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16072 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16073 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16074 df_chain_create_bb_process_use, df_chain_create_bb,
16075 df_chain_finalize, df_chain_free, df_chains_dump,
16076 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16077 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16078 df_reg_lifetime): New functions.
16079 * df.c: Deleted file.
16080 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16081 consistent with new df api.
16082 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16083 rest_of_handle_sms): Ditto.
16084 * web.c (unionfind_union, union_defs, entry_register, web_main):
16086 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16087 invariant_expr_equal_p, find_defs, check_dependencies,
16088 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16089 free_inv_motion_data, move_loop_invariants): Ditto.
16090 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16091 Update dependencies.
16092 (odf.c): Added defective entry that was deleted later in day.
16093 * sched-deps.c (sched_analyze_1): Ditto.
16095 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16097 * tree-ssa-operands.c (get_expr_operands): Record addressable
16098 variables directly. Do not call add_stmt_operands for CONST_DECLs
16100 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16101 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16103 2006-01-11 Ben Elliston <bje@au.ibm.com>
16105 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16106 function returns true in the positive case.
16108 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16111 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16112 for SI, DI, SF and DF modes. Add alternatives to copy between
16113 general and floating point registers to the 32-bit patterns.
16114 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16115 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16116 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16117 generating 64-bit code.
16118 * config/pa/pa.c (output_move_double): Handle copies between general
16119 and floating registers.
16121 2006-01-10 Stuart Hastings <stuart@apple.com>
16123 * config/i386/i386.md (set_got): Update.
16124 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16125 (builtin_setjmp_receiver): Mach-O support.
16126 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16127 (GOT_SYMBOL_NAME): Define.
16128 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16129 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16130 * config/i386/i386.c (override_options): Revise for Darwin.
16131 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16132 support. (darwin_x86_file_end): New. (output_set_got): Add label
16133 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16134 * config/i386/i386-protos.h (output_set_got): Likewise.
16135 * config/darwin.c (machopic_legitimize_pic_address): Update
16138 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16140 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16141 when MODE isn't BLKmode.
16143 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16145 PR rtl-optimization/25367
16146 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16148 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16151 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16152 for a negative bound.
16154 2006-01-10 Richard Guenther <rguenther@suse.de>
16156 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16157 Never override with anything constraint.
16159 2006-01-10 Jan Beulich <jbeulich@novell.com>
16161 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16162 256 bits when optimize_size.
16164 2006-01-10 Jan Beulich <jbeulich@novell.com>
16166 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16168 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16169 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16172 2006-01-10 Ben Elliston <bje@au.ibm.com>
16174 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16176 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16177 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16178 (USE_FP_FOR_ARG): Reject decimal float modes.
16179 (function_arg_advance): Likewise.
16180 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16181 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16182 point types in AltiVec vectors.
16183 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16184 (rs6000_libcall_value): Likewise.
16186 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16188 * config/xtensa/ieee754-df.S: New file.
16189 * config/xtensa/ieee754-sf.S: New file.
16190 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16191 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16192 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16194 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16196 * config/sh/predicates.md (binary_float_operator,
16197 binary_logical_operator, commutative_float_operator,
16198 equality_comparison_operator, greater_comparison_operator,
16199 less_comparison_operator, logical_operator,
16200 noncommutative_float_operator, shift_operator,
16201 symbol_ref_operand, unary_float_operator): Remove redundant
16204 2006-01-09 Jeff Law <law@redhat.com>
16206 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16207 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16208 now unused arguments. Callers updated.
16209 (eliminate_redundant_computations): Remove now unused arguments,
16211 (local_fold): Remove, no longer used.
16212 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16214 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16215 (simplify_cond): New function.
16216 (forward_propagate_into_cond): Call simplify_cond.
16218 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16220 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16221 (*vec_extractv2di_1_sse): New.
16223 2006-01-09 Ben Elliston <bje@au.ibm.com>
16225 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16227 2006-01-08 Richard Guenther <rguenther@suse.de>
16229 * tree-ssa-structalias.c (get_constraint_for): Remove
16230 anyoffset argument.
16231 (get_constraint_for_component_ref): Likewise.
16232 (do_deref): Likewise.
16233 (get_constraint_for): Likewise.
16234 (do_structure_copy): Likewise.
16235 (handle_ptr_arith): Likewise.
16236 (find_func_aliases): Likewise. Remove unused need_anyoffset
16239 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16240 Kaz Kojima <kkojima@gcc.gnu.org>
16242 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16243 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16244 (EXTRA_CONSTRAINT_C16): Remove.
16245 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16246 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16247 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16248 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16249 constants of SHmedia. Handle nested constant expressions of
16251 (andcosts): Fix the costs for SHmedia constants.
16252 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16253 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16254 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16255 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16256 (movv4hi_i, movv2si_i): Likewise.
16257 (movsi_const): Adjust the second operand of ior so to match with
16258 the Csu constraint.
16259 (movdi_const, movdi_const_32bit): Likewise.
16260 (movdi_const_16bit+1): Don't sign-extend LOW.
16261 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16263 (*double_shori): Fix the split condition. Use GEN_INT instead
16264 of get_int_mode calls. Mask lower 16-bit of the argument of
16266 (sym2GOTPLT): Remove.
16267 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16269 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16270 instead of EXTRA_CONSTRAINT_C16.
16272 2006-01-07 Ian Lance Taylor <ian@airs.com>
16273 David Edelsohn <edelsohn@gnu.org>
16275 PR rtl-optimization/25662
16276 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16277 for constant operands instead of simplify_gen_binary.
16278 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16279 after trying simplify_binary_operation
16281 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16283 * tree.c (iterative_hash_expr): Hash decls based on UID.
16285 2006-01-06 Eric Christopher <echristo@apple.com>
16287 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16288 (TARGET_UNWIND_EMIT): Fix spelling.
16289 * target.h (gcc_target): Add except_table_label.
16290 * except.c (output_function_exception_table): Use.
16291 * varasm.c (default_emit_except_table_label): New.
16292 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16294 (asm_out): Add here.
16295 * output.h (default_emit_except_table_label): Prototype.
16296 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16297 * config/darwin.c (darwin_emit_except_table_label): Define.
16298 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16300 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16302 PR tree-optimization/18527
16303 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16304 number_of_iterations_special, number_of_iterations_exit):
16305 Move base and step of an iv to a single structure. Add
16306 no_overflow flag, and use it in # of iterations analysis.
16307 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16308 folded_casts argument.
16309 (simple_iv): Pass base and step in a structure. Set no_overflow
16311 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16312 Evaluate expensiveness of computing # of iterations instead of
16313 the final expression.
16314 * tree-scalar-evolution.h (affine_iv): New structure.
16315 (simple_iv): Declaration changed.
16316 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16317 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16318 find_givs_in_stmt): Changed due to simple_iv change.
16320 2006-01-06 Jeff Law <law@redhat.com>
16323 * tree-cfg.c (bsi_replace): Rename final argument from
16324 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16325 change (stmt -> orig_stmt).
16326 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16327 (bsi_remove): Add new argument. Remove EH information
16329 (verify_eh_throw_table_statements): New function.
16330 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16332 * tree-optimize.c (execute_free_cfg_annotations): Verify
16333 the EH throw statement table after removing annotations.
16334 * except.h (verify_eh_throw_table_statements): Prototype.
16335 * tree-flow.h (bsi_remove): Update prototype.
16336 * tree-vrp.c (remove_range_assertions): Add new argument to
16338 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16339 * tree-complex.c (expand_complex_div_wide): Likewise.
16340 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16341 * tree-tailcall.c (eliminate_tailcall): Likewise.
16342 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16343 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16344 * tree-nrv.c (tree_nrv): Likewise.
16345 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16346 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16347 (combine_blocks): Likewise.
16348 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16349 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16350 (cleanup_control_flow): Likewise.
16351 (remove_forwarder_block): Likewise.
16352 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16353 * tree-sra.c (sra_replace): Likewise.
16354 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16355 (forward_propagate_single_use_vars): Likewise.
16356 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16357 * tree-inline.c (expand_call_inline): Likewise.
16358 * tree-vect-transform.c (vect_transform_loop): Likewise.
16359 * tree-outof-ssa.c (rewrite_trees): Likewise.
16360 * tree-cfg.c (make_goto_expr_edges): Likewise.
16361 (cleanup_dead_labels): Likewise.
16362 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16363 (bsi_move_before, bsi_move_after): Likewise.
16364 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16365 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16367 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16370 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16372 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16373 on non gimple variables. Also add checks at the top for decls and
16375 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16377 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16378 and IMAGPART_EXPR for creating MUST_DEFs.
16379 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16380 and NAME_MEMORY_TAG separately from the DECLs.
16382 2006-01-06 Richard Guenther <rguenther@suse.de>
16384 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16385 annotation, if necessary.
16386 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16387 redundant calls to update_stmt.
16388 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16391 2006-01-05 Richard Henderson <rth@redhat.com>
16393 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16395 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16397 * c-typeck.c: Update copyright date.
16399 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16401 * c-typeck.c (build_c_cast): Always warn when casting
16402 from a pointer to an integer of different size, even if
16403 the node was constant.
16405 2006-01-05 Richard Guenther <rguenther@suse.de>
16407 PR tree-optimization/22555
16408 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16409 if one structure field is an array.
16410 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16411 operands even if we found a subvar, but ignore VOPs in this
16413 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16415 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16417 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16419 PR middle-end/24998
16420 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16422 2006-01-05 Richard Guenther <rguenther@suse.de>
16423 Diego Novillo <dnovillo@redhat.com>
16425 * tree-pass.h (TODO_remove_unused_locals): Define.
16426 * gimple-low.c (expand_var_p, remove_useless_vars,
16427 pass_remove_useless_vars): Remove. Update all users.
16428 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16429 (remove_unused_locals): New function.
16430 * tree-flow.h (remove_unused_locals): Declare.
16431 * passes.c (execute_todo): Call remove_unused_locals if
16432 TODO_remove_unused_locals is set.
16433 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16434 * tree-ssa-dce.c (pass_dce): Likewise.
16435 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16437 2006-01-05 Richard Guenther <rguenther@suse.de>
16439 * tree-flow.h (struct fieldoff): Decompose field to
16440 type, size and decl.
16441 * tree-ssa-alias.c (create_sft): Take type as parameter.
16442 (create_overlap_variables_for): Store type, size and decl
16443 in the fieldoff structure.
16444 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16445 of struct fieldoff.
16446 (push_fields_onto_fieldstack): Likewise.
16447 (create_variable_info_for): Likewise. Use offset for the
16448 SFT name if the decl is not available.
16450 2006-01-04 Paul Brook <paul@codesourcery.com>
16452 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16454 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16456 * lambda-code.c (can_put_in_inner_loop): Relax
16458 (can_put_after_inner_loop): New function.
16459 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16460 (perfect_nestify): Change to make copies and modify uses.
16462 2006-01-04 Richard Henderson <rth@redhat.com>
16464 Merge from gomp branch:
16465 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16466 via integer constant.
16467 (pragma_lex): Remove.
16468 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16469 rather than parsing it.
16470 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16471 handle_pragma_extern_prefix): Add %< %> quotes.
16472 (registered_pragmas): New.
16473 (c_register_pragma_1): New.
16474 (c_register_pragma): Use it.
16475 (c_register_pragma_with_expansion): Likewise.
16476 (c_invoke_pragma_handler): New.
16477 (init_pragma): Use cpp_register_deferred_pragma directly for
16479 * c-pragma.h (enum pragma_kind): New.
16480 (pragma_handler): New.
16481 (c_invoke_pragma_handler): Declare.
16482 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16484 * c-common.h (c_common_pch_pragma): Update decl.
16485 * Makefile.in (c-parser.o): Update dependencies.
16486 (GTFILES): Add c-pragma.h.
16487 * c-parser.c (struct c_token): Add pragma_kind.
16488 (struct c_parser): Add in_pragma.
16489 (c_lex_one_token): Always initialize keyword and pragma_kind.
16490 Extract data for CPP_PRAGMA.
16491 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16492 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16493 Don't allow CPP_PRAGMA_EOL if in_pragma.
16494 (c_parser_consume_pragma): New.
16495 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16496 (c_parser_skip_to_end_of_parameter): Likewise.
16497 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16498 (c_parser_skip_to_pragma_eol): New.
16499 (c_parser_external_declaration): Handle CPP_PRAGMA.
16500 (c_parser_compound_statement_nostart): Likewise.
16501 (c_parser_statement_after_labels): Likewise.
16502 (c_parser_pragma): New.
16503 (pragma_lex): Likewise.
16504 (c_parser_pragma_pch_preprocess): New.
16505 (c_parser_new): Merge into ...
16506 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16508 2006-01-04 Jeff Law <law@redhat.com>
16511 * tree-cfg.c (bsi_replace): Remove the original statement
16512 from the EH throw statement table.
16514 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16516 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16517 make the prototype extern "C" and add throw ().
16520 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16521 and pos non-negative and pos + len <= 32.
16522 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16523 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16524 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16527 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16528 as well as sizes not multiple of component size.
16531 * function.c (instantiate_expr): New function.
16532 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16533 walk its DECL_VALUE_EXPR with instantiate_expr.
16535 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16536 DW_OP_deref{,_size} if address isn't going to be added.
16538 2006-01-04 Ben Elliston <bje@au.ibm.com>
16540 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16541 * config/fp-bit.c: Likewise.
16543 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16545 * dominance.c: Add comment about why we use DFS numbering
16548 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16549 Richard Henderson <rth@redhat.com>
16551 Merge from gomp-branch:
16552 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16553 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16555 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16557 PR rtl-optimization/25578
16558 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16559 pass a parameter to simplify_shift_const if changing ASHIFTRT
16562 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16564 * builtins.c (get_builtin_sync_mem): New function.
16565 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16566 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16567 Call get_builtin_sync_mem to generate mem rtx.
16569 2006-01-03 Richard Guenther <rguenther@suse.de>
16572 * stmt.c (add_case_node): Make sure to clear overflow flags
16575 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16577 Merge from gomp-branch.
16578 * config/sparc/sync.md: New file.
16579 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16580 UNSPECV_LDSTUB): New constants.
16581 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16582 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16583 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16586 2006-01-03 Roger Sayle <roger@eyesopen.com>
16588 * combine.c (reg_subword_p): New predicate to test whether the
16589 destination of a set refers to a subword/piece of a register.
16590 (try_combine): Generalize the code to merge the setting of a
16591 pseudo to a constant followed by a set of a subword of that
16592 register to a constant.
16594 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16596 * basic-block.h (control_flow_graph): Change the type of
16597 x_label_to_block_map to VEC(basic_block,gc) *.
16598 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16599 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16601 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16602 VEC(basic_block,heap) *.
16603 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16604 ssa_prop_fini): Adjust the uses of cfg_blocks.
16606 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16608 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16610 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16611 hashing trees instead of a pointer hash.
16612 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16613 compare for MEM_EXPR.
16615 PR rtl-optimization/25130
16616 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16617 when comparing MEMs for GCSE
16619 2006-01-03 Ben Elliston <bje@au.ibm.com>
16621 * targhooks.h (default_decimal_float_supported_p): Declare.
16622 * targhooks.c (default_decimal_float_supported_p): Define.
16623 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16624 `default_decimal_float_supported_p'.
16625 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16627 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16629 * combine.c (apply_distributive_law <SUBREG>): Check
16630 TRULY_NOOP_TRUNCATION.
16632 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16634 * dwarf2out.c (have_switched_text_section): Delete.
16635 (have_multiple_function_sections): New.
16636 (have_location_lists): Make 'bool'.
16637 (add_AT_loc_list): Use 'true' not '1'.
16638 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16639 (output_loc_list): Use have_multiple_function_sections.
16640 (output_ranges): Likewise.
16641 (dwarf2out_begin_function): Set have_multiple_function_sections if
16643 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16644 Check function_section rather than DECL_SECTION_NAME.
16645 (dwarf2out_finish): Use have_multiple_function_sections.
16646 Don't clear have_location_lists.
16648 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16649 Jan Hubicka <jh@suse.cz>
16651 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16652 case of conditional jump jumping to the next instruction.
16653 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16654 cases of conditional jump jumping to the next instruction.
16656 2006-01-02 Jan Hubicka <jh@suse.cz>
16658 * i386.c (*_cost): Add COSTS_N_INSNS.
16659 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16661 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16664 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16666 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16668 * config/arm/arm.c (all_fpus): Fix comment typo.
16669 * config/darwin.c: Likewise.
16670 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16671 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16672 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16674 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16676 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16677 (rs6000_split_compare_and_swapqhi): New.
16678 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16679 (sync_compare_and_swapqhi_internal): New.
16680 * config/rs6000/rs6000-protos.h: Declare.