1 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3 * config/i386/i386.c (output_387_ffreep): Create output from a
4 template string for !HAVE_AS_IX86_FFREEP.
6 2006-10-27 Eric Christopher <echristo@apple.com>
8 * config/darwin.c: Fix formatting and grammar.
10 2006-10-27 Jan Hubicka <jh@suse.cz>
12 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
13 to be thrown away soon when IGNORE is set.
14 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
15 indicating when return value shall not be computed.
16 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
18 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
20 * config/i386/i386.h (TARGET_GEODE):
21 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
22 (TARGET_CPU_DEFAULT_geode): New macro.
23 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
24 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
25 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
26 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
27 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
29 (TARGET_CPU_DEFAULT_NAMES): Add geode.
30 (processor_type): Add PROCESSOR_GEODE.
32 * config/i386/i386.md: Include geode.md.
35 * config/i386/i386.c (geode_cost): New initialized global
37 (m_GEODE, m_K6_GEODE): New macros.
38 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
39 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
40 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
41 x86_schedule): Use m_K6_GEODE instead of m_K6.
42 (x86_movx, x86_cmove): Set up m_GEODE.
43 (x86_integer_DFmode_moves): Clear m_GEODE.
44 (processor_target_table): Add entry for geode.
45 (processor_alias_table): Ditto.
47 * config/i386/geode.md: New file.
49 * doc/invoke.texi: Add entry about geode processor.
51 2006-10-27 Mike Stump <mrs@apple.com>
53 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
54 __DYNAMIC__ from here back to ...
55 * config/darwin.h (CPP_SPEC): ... here.
57 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
58 Nathan Sidwell <nathan@codesourcery.com>
60 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
61 when choosing the minimum heapsize.
63 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
65 * gcc/unwind-dw2.h: Move cfa-related variables into
66 struct frame_state_reg_info to ensure that the CFA is properly
67 handled when executing DW_CFA_{remember,restore}_state.
68 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
69 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
70 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
71 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
72 gcc/config/rs6000/linux-unwind.h,
73 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
74 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
75 Modify to use new cfa_* fields.
77 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
79 * config/s390/s390.c (s390_init_frame_layout): Check positive
82 2006-10-26 Ben Elliston <bje@au.ibm.com>
84 * gimplify.c (get_name): Remove extraneous break.
85 (gimplify_omp_for): Initialise ret with GS_OK.
87 2006-10-25 Steve Ellcey <sje@cup.hp.com>
89 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
90 Add unix98.o to link line.
92 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
95 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
96 Calculate compile-time constants using MPFR.
97 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
98 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
100 2006-10-25 Bob Wilson <bob.wilson@acm.org>
102 * config/xtensa/lib2funcs.S: Use C-style comments.
104 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
106 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
107 (file_table_relative_p): Likewise.
108 (dwarf2out_finish): Likewise.
109 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
111 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
113 * tree-ssa-structalias.c (intra_create_variable_infos):
114 Don't recreate nonlocal_all if it already exists.
116 2006-10-25 Richard Guenther <rguenther@suse.de>
119 * optabs.h (enum optab_index): Remove OTI_lrint.
120 (enum convert_optab_index): Add COI_lrint.
121 (lrint_optab): Adjust.
122 (expand_sfix_optab): Declare.
123 * optabs.c (expand_sfix_optab): New function.
124 (init_optabs): Init lrint_optab as conversion optab.
125 * genopinit.c (lrint_optab): Change to a conversion optab.
126 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
127 expansion via conversion optab.
128 * config/i386/i386.md (*fistdi2_1): Remove
129 flag_unsafe_math_optimizations guard.
130 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
131 fist<mode>2_with_temp): Likewise.
132 (lrint<mode>2): Split into...
133 (lrintxf<mode>2): ... x87 part
134 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
135 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
136 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
137 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
138 * doc/md.texi (lrintMN2): Document.
140 2006-10-25 Uros Bizjak <uros@kss-loka.si>
143 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
144 Use inc and dec instructions for TARGET_USE_INCDEC.
145 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
146 ("sync_double_compare_and_swap<mode>"): Likewise.
147 ("*sync_double_compare_and_swapdi_pic"): Likewise.
148 ("*sync_compare_and_swap_cc<mode>"): Likewise.
149 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
150 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
151 ("sync_old_add<mode>"): Likewise.
152 ("sync_lock_test_and_set<mode>"): Likewise.
153 ("sync_lock_test_and_set<mode>"): Likewise.
154 ("sync_add<mode>"): Likewise.
155 ("sync_sub<mode>"): Likewise.
156 ("sync_ior<mode>"): Likewise.
157 ("sync_and<mode>"): Likewise.
158 ("sync_xor<mode>"): Likewise.
160 2006-10-25 Uros Bizjak <uros@kss-loka.si>
162 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
163 (remainder_optab): Define corresponding macro.
164 (drem_optab): Remove.
165 * optabs.c (init_optabs): Initialize remainder_optab. Remove
166 drem_optab initialization.
167 * genopinit.c (optabs): Implement remainder_optab using
168 remainder?f3 patterns. Remove drem_optab.
169 * builtins.c (expand_builtin_mathfn_2): Handle
170 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
171 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
172 expand_builtin_mathfn_2.
174 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
175 depend on flag_unsafe_math_optimizations.
177 * config/i386/i386.md ("remaindersf3", "remainderdf3")
178 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
179 Do not depend on flag_unsafe_math_optimizations. Use
180 truncxf?f expander instead of truncxf?f_i387_noop.
182 ("fpremxf4", "fprem1xf4"): Do not depend on
183 flag_unsafe_math_optimizations.
184 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
185 flag_unsafe_math_optimizations. Use truncxf?f expander
186 instead of truncxf?f_i387_noop.
188 * doc/md.texi (fmod, remainder): Document standard named pattern.
190 2006-10-24 Richard Sandiford <richard@codesourcery.com>
191 David Daney <ddaney@avtrex.com>
194 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
196 2006-10-25 Ben Elliston <bje@au.ibm.com>
198 * doc/extend.texi (Variable Attributes): Typo fix.
200 2006-10-24 Uros Bizjak <uros@kss-loka.si>
202 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
203 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
204 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
205 (FRAME_POINTER_REGNUM): Update register number to 21.
206 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
207 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
209 * config/i386/i386.c (regclass_map): Add fpcr entry.
210 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
212 (print_reg): Assert REGNO (x) != FPCR_REG.
214 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
215 (DIRFLAG_REG): Renumber.
216 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
217 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
218 (sse_prologue_save, *sse_prologue_save_insn): Renumber
219 hardcoded SSE register numbers.
221 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
222 hardcoded MMX register numbers.
224 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
227 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
228 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
230 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
231 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
232 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
233 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
235 2006-10-24 Richard Guenther <rguenther@suse.de>
238 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
239 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
240 for deciding optimizations in consistency with fold-const.c
241 (fold_builtin_unordered_cmp): Likewise.
243 2006-10-24 Richard Guenther <rguenther@suse.de>
245 * builtins.c (fold_builtin_floor): Fold floor (x) where
246 x is nonnegative to trunc (x).
247 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
248 nonnegative to FIX_TRUNC_EXPR.
250 2006-10-24 Richard Guenther <rguenther@suse.de>
252 PR tree-optimization/29567
253 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
254 for TRUTH_NOT_EXPR. Clarify comments.
256 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
259 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
260 at compile-time using MPFR. Change parameter VALUE to FUNC,
262 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
263 for overflow and underflow at all times and avoid folding in
266 2006-10-24 Ben Elliston <bje@au.ibm.com>
268 * reload1.c: Formatting fixes.
270 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
272 PR tree-optimization/14784
273 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
274 * tree-ssa-structalias.c (get_constraint_for,
275 intra_create_variable_infos): Set is_heapvar.
276 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
277 non-heapvar pointer variables specially.
279 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * builtins.c (fold_builtin_sin, fold_builtin_cos,
283 fold_builtin_tan): Fold all constant arguments. Take a "type"
284 argument as necessary.
286 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
288 2006-10-23 Bob Wilson <bob.wilson@acm.org>
290 * config/xtensa/lib1funcs.asm: Use C-style comments.
292 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
294 * tree.c (local_define_builtin): Replace calls to
295 lang_hooks.builtin_function with add_builtin_function.
296 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
298 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
300 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
301 common code to add_builtin_function.
302 * langhooks.c (add_builtin_function): New function.
303 (lhd_builtin_function): New function.
304 * langhooks.h (struct lang_hooks): Change the signature of
306 (add_builtin_function): New function.
307 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
308 calls to lang_hooks.builtin_function with add_builtin_function.
309 * c-common.c (decl_builtin_1): Replace calls to
310 lang_hooks.builtin_function with add_builtin_function.
311 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
312 lang_hooks.builtin_function with add_builtin_function.
313 * config/frv/frv.c (def_builtin): Replace calls to
314 lang_hooks.builtin_function with add_builtin_function.
315 * config/s390/s390.c (s390_init_builtins): Replace calls to
316 lang_hooks.builtin_function with add_builtin_function.
317 * config/sparc/sparc.c (def_builtin): Replace calls to
318 lang_hooks.builtin_function with add_builtin_function.
319 * config/i386/i386.c (def_builtin): Replace calls to
320 lang_hooks.builtin_function with add_builtin_function.
321 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
322 lang_hooks.builtin_function with add_builtin_function.
323 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
324 lang_hooks.builtin_function with add_builtin_function.
325 * config/stormy16/stormy16.c (xstormy16_init_builtins):
326 Replace calls to lang_hooks.builtin_function with
327 add_builtin_function.
328 * config/iq2000/iq2000.c (def_builtin):
329 Replace calls to lang_hooks.builtin_function with
330 add_builtin_function.
331 * config/ia64/ia64.c (def_builtin): Replace calls to
332 lang_hooks.builtin_function with add_builtin_function.
333 * config/rs6000/rs6000.c (def_builtin): Replace calls to
334 lang_hooks.builtin_function with add_builtin_function.
335 (altivec_init_builtins): Replace calls to
336 lang_hooks.builtin_function with add_builtin_function.
337 * config/arm/arm.c (def_mbuiltin): Replace calls to
338 lang_hooks.builtin_function with add_builtin_function.
339 (arm_init_tls_builtins): Replace calls to
340 lang_hooks.builtin_function with add_builtin_function.
341 * config/mips/mips.c (mips_init_builtins): Replace calls to
342 lang_hooks.builtin_function with add_builtin_function.
343 * config/bfin/bfin.c (def_builtin): Replace calls to
344 lang_hooks.builtin_function with add_builtin_function.
345 * langhooks-def.h (lhd_builtin_function): New function.
346 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
348 2006-10-23 Jakub Jelinek <jakub@redhat.com>
350 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
351 BUILT_IN_STRNCAT_CHK.
353 2006-10-23 Jan Hubicka <jh@suse.cz>
355 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
356 don't do conversion from memmove to memcpy here.
357 (expand_builtin_bcopy, expand_builtin): Update call of
358 expand_builtin_memmove.
359 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
361 2006-10-23 Paul Brook <paul@codesourcery.com>
363 * stor-layout.c (start_record_layout): maximum_field_alignment
364 overrides STRUCTURE_SIZE_BOUNDARY.
366 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
368 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
369 nonlocal function symbols if flag_pic.
371 2006-10-23 Richard Guenther <rguenther@suse.de>
375 * builtins.c (fold_binary): Remove checks for flag_wrapv
376 and flag_trapv where negate_expr_p covers these cases.
378 2006-10-23 Richard Guenther <rguenther@suse.de>
381 * fold-const.c (fold_plusminus_mult_expr): Check exact power
382 of two on the absolute value.
383 (fold_binary): Fold x * -C to -x * C if x is easily negatable
384 and negating -C does not overflow.
386 2006-10-23 Richard Guenther <rguenther@suse.de>
389 * convert.c (convert_to_real): Fold (float)-x to -(float)x
390 only if not flag_rounding_math.
392 2006-10-22 Richard Sandiford <richard@codesourcery.com>
393 Kaz Kojima <kkojima@gcc.gnu.org>
396 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
397 SImode memory reference for the source of a movua.
398 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
399 (movua): Use an unspec instead of sign_extract. Expect the source
400 to have mode BLKmode.
401 (extv, insv): Use a BLKmode rather than SImode memory reference
402 for the source of a movua.
404 2006-10-22 Jeff Law <law@redhat.com>
405 Richard Guenther <rguenther@suse.de>
407 PR tree-optimization/15911
408 * tree-vrp.c (extract_code_and_val_from_cond): New function.
409 (register_edge_assert_for_1): Likewise.
410 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
411 (find_conditional_asserts): Adjust for new function signature.
412 (find_assert_locations): Likewise.
414 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
416 * config/i386/tmmintrin.h: Remove the duplicated content.
418 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
420 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
421 (x86_64-*-*): Likewise.
423 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
424 (override_options): Check SSSE3.
425 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
426 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
427 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
428 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
429 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
430 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
431 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
432 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
433 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
434 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
435 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
436 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
437 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
438 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
439 IX86_BUILTIN_PABSD128.
440 (bdesc_2arg): Add SSSE3.
441 (bdesc_1arg): Likewise.
442 (ix86_init_mmx_sse_builtins): Support SSSE3.
443 (ix86_expand_builtin): Likewise.
444 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
446 * config/i386/i386.md (UNSPEC_PSHUFB): New.
447 (UNSPEC_PSIGN): Likewise.
448 (UNSPEC_PALIGNR): Likewise.
449 Include mmx.md before sse.md.
451 * config/i386/i386.opt: Add -mssse3.
453 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
454 (ssse3_phaddwv4hi3): Likewise.
455 (ssse3_phadddv4si3): Likewise.
456 (ssse3_phadddv2si3): Likewise.
457 (ssse3_phaddswv8hi3): Likewise.
458 (ssse3_phaddswv4hi3): Likewise.
459 (ssse3_phsubwv8hi3): Likewise.
460 (ssse3_phsubwv4hi3): Likewise.
461 (ssse3_phsubdv4si3): Likewise.
462 (ssse3_phsubdv2si3): Likewise.
463 (ssse3_phsubswv8hi3): Likewise.
464 (ssse3_phsubswv4hi3): Likewise.
465 (ssse3_pmaddubswv8hi3): Likewise.
466 (ssse3_pmaddubswv4hi3): Likewise.
467 (ssse3_pmulhrswv8hi3): Likewise.
468 (ssse3_pmulhrswv4hi3): Likewise.
469 (ssse3_pshufbv16qi3): Likewise.
470 (ssse3_pshufbv8qi3): Likewise.
471 (ssse3_psign<mode>3): Likewise.
472 (ssse3_psign<mode>3): Likewise.
473 (ssse3_palignrti): Likewise.
474 (ssse3_palignrdi): Likewise.
475 (abs<mode>2): Likewise.
476 (abs<mode>2): Likewise.
478 * config/i386/tmmintrin.h: New file.
480 * doc/extend.texi: Document SSSE3 built-in functions.
482 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
484 2006-10-22 Ira Rosen <irar@il.ibm.com>
486 * tree-vect-transform.c (vectorizable_load): Use the type of the
487 return value of the mask_for_load builtin to create realign_load
490 2006-10-22 Richard Sandiford <richard@codesourcery.com>
492 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
495 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
497 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
498 (UNSPEC_LDDQU): This.
499 * config/i386/sse.md (sse3_lddqu): Updated.
501 2006-10-21 Richard Guenther <rguenther@suse.de>
503 * builtins.c (expand_builtin_int_roundingfn_2): New function.
504 (expand_builtin): Use it to expand lrint instead of
505 expand_builtin_mathfn.
507 2006-10-21 Uros Bizjak <uros@kss-loka.si>
510 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
511 flag_unsafe_math_optimizations is set.
513 2006-10-21 Uros Bizjak <uros@kss-loka.si>
516 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
517 patterns to use memory input operand in x87->mem->XMM
518 reload sequences. Skip transformation for TARGET_K8.
520 2006-10-21 Uros Bizjak <uros@kss-loka.si>
522 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
523 force operand1 to register if both operands are memory operands.
524 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
525 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
526 if both operands are memory operands.
527 (truncdfsf2): Do not force operand1 to register if both operands
530 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
532 * Makefile.in (LIBS): Add $(GMPLIBS).
533 * doc/install.texi: Update GMP and MPFR requirements.
534 * doc/sourcebuild.texi (need_gmp): Delete.
536 2006-10-21 Richard Guenther <rguenther@suse.de>
538 PR tree-optimization/3511
539 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
540 got new invariant arguments during PHI translation.
542 2006-10-21 Richard Guenther <rguenther@suse.de>
545 * fold-const.c (fold_comparison): Fold signed comparisons
546 of the form X +- C1 CMP Y +- C2.
548 2006-10-21 Richard Guenther <rguenther@suse.de>
551 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
552 if flag_unsafe_math_optimizations is specified. We have
553 flag_finite_math_only for that.
554 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
555 or flag_unsafe_math_optimizations.
557 2006-10-21 Richard Guenther <rguenther@suse.de>
559 * builtins.c (fold_builtin_classify): Fix typo.
561 2006-10-21 Richard Guenther <rguenther@suse.de>
564 * simplify-rtx.c (simplify_const_relational_operation):
565 Do not constant-fold ORDERED and UNORDERED for
566 flag_unsafe_math_optimizations but only we do not need to
567 honor NaNs for the given mode.
569 2006-10-21 Richard Guenther <rguenther@suse.de>
572 * config/i386/i386.c (classify_argument): Remove redundant
573 walking of the BINFOs.
574 (contains_128bit_aligned_vector_p): Likewise.
576 2006-10-20 Mark Mitchell <mark@codesourcery.com>
578 * BASE-VER: Set to 4.3.0.
580 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
582 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
583 (tree_decl_with_vis): Remove artificial_pta_var flag.
584 * tree-flow.h (referenced_var_check_and_insert): Expose.
585 (nonlocal_all): New prototype.
586 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
587 (nonlocal_all): Make global.
588 (nonlocal_lookup): Remove.
589 (nonlocal_insert): Ditto.
590 (create_nonlocal_var): Do not call nonlocal_insert.
591 (get_nonlocal_id_for_type): Remove.
592 (find_global_initializers): Mark new vars we find for renaming.
593 (intra_create_variable_infos): Only create one nonlocal.
594 (expand_nonlocal_solutions): Remove.
595 (compute_points_to_sets): Don't call it.
596 (ipa_pta_execute): Ditto.
597 (init_alias_heapvars): Don't create nonlocal_for_type.
598 (delete_alias_heapvars): Don't remove it.
599 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
602 2006-10-19 Brooks Moses <bmoses@stanford.edu>
604 * doc/install.texi (Downloading GCC): Clarify mention of
605 Fortran in the "full distribution" description.
607 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
609 Fix PR tree-optimization/28778
610 Fix PR tree-optimization/29156
611 Fix PR tree-optimization/29415
612 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
613 (tree_decl_with_vis): Add artificial_pta_var flag.
614 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
616 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
617 (nonlocal_all): Ditto.
618 (struct variable_info): Add directly_dereferenced member.
619 (var_escaped_vars): New variable.
620 (escaped_vars_tree): Ditto.
621 (escaped_vars_id): Ditto.
622 (nonlocal_vars_id): Ditto.
623 (new_var_info): Set directly_dereferenced.
624 (graph_size): New variable
625 (build_constraint_graph): Use graph_size.
626 (solve_graph): Don't process constraints that cannot change the
627 solution, don't try to propagate an empty solution to our
629 (process_constraint): Set directly_dereferenced.
630 (could_have_pointers): New function.
631 (get_constraint_for_component_ref): Don't process STRING_CST.
632 (nonlocal_lookup): New function.
633 (nonlocal_insert): Ditto.
634 (create_nonlocal_var): Ditto.
635 (get_nonlocal_id_for_type): Ditto.
636 (get_constraint_for): Allow results vector to be empty in the case
638 Handle results of calls properly.
639 (update_alias_info): Update alias info stats on number and type of
641 (find_func_aliases): Use could_have_pointers.
642 (make_constraint_from_escaped): Renamed from
643 make_constraint_to_anything, and changed to make constraints from
645 (make_constraint_to_escaped): New function.
646 (find_global_initializers): Ditto.
647 (create_variable_info_for): Make constraint from escaped to any
648 global variable, and from any global variable to the set of
650 (intra_create_variable_infos): Deal with escaped instead of
651 pointing to anything.
652 (set_uids_in_ptset): Do type pruning on directly dereferenced
654 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
655 (init_base_vars): Fix comment, and initialize escaped_vars.
656 (need_to_solve): Removed.
657 (find_escape_constraints): New function.
658 (expand_nonlocal_solutions): Ditto.
659 (compute_points_to_sets): Call find_escape_constraints and
660 expand_nonlocal_solutions.
661 (delete_points_to_sets): Don't fall off the end of the graph.
662 (init_alias_heapvars): Initialize nonlocal_for_type and
664 (delete_alias_heapvars): Free nonlocal_for_type and null out
667 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
669 * fold-const.c (add_double): Rename to add_double_with_sign.
670 Add 'unsigned_p' parameter and take it into account for the overflow.
671 (mul_double): Rename to mul_double_with_sign.
672 Add 'unsigned_p' parameter and take it into account for the overflow.
673 (fold_div_compare): Call add_double_with_sign instead of add_double
674 and mul_double_with_sign instead of mul_double, passing them the
675 unsignedness of the type.
676 * tree.h (add_double): Macroize.
677 (add_double_with_sign): New prototype.
678 (mul_double): Macroize.
679 (mul_double_with_sign): New prototype.
681 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
683 * config/score/crti.asm: New file.
684 * config/score/crtn.asm: New file.
685 * config/score/elf.h: New file.
686 * config/score/mac.md: New file.
687 * config/score/misc.md: New file.
688 * config/score/mul-div.S: New file.
689 * config/score/predicates.md: New file.
690 * config/score/score7.md: New file.
691 * config/score/score.c: New file.
692 * config/score/score-conv.h: New file.
693 * config/score/score.h: New file.
694 * config/score/score.md: New file.
695 * config/score/score-mdaux.c: New file.
696 * config/score/score-mdaux.h: New file.
697 * config/score/score-modes.def: New file.
698 * config/score/score.opt: New file.
699 * config/score/score-protos.h: New file.
700 * config/score/score-version.h: New file.
701 * config/score/t-score-elf: New file.
702 * config.gcc: Add score*-*-* configurations(Update before).
703 * doc/invoke.texi (Score Options): New section.
704 * doc/md.texi (Score family): New section to document constraints.
706 2006-10-19 Nick Clifton <nickc@redhat.com>
708 * config/arm/arm.c: Fix spelling typo.
710 2006-10-18 Tom Tromey <tromey@redhat.com>
712 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
714 2006-10-18 Jan Hubicka <jh@suse.cz>
717 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
720 2006-10-18 Marcin Dalecki <martin@dalecki.de>
722 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
723 TSI_SAME_STMT, since that's the desired entity.
725 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
727 * config/s390/contraints.md: New file.
728 * config/s390/s390-protos.h (s390_mem_constraint,
729 s390_O_constraint_str, s390_N_constraint_str,
730 s390_float_const_zero_p): Function prototypes added.
731 * config/s390/s390.c (s390_extra_constraint_str,
732 s390_const_double_ok_for_constraint_p,
733 s390_const_ok_for_constraint_p): Functions removed.
734 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
735 s390_float_const_zero_p): New functions.
736 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
737 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
738 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
739 Macro definitions removed.
740 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
741 s390_extra_constraint_str): Functions removed.
743 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
744 Richard Sandiford <richard@codesourcery.com>
747 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
748 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
750 2006-10-16 Geoffrey Keating <geoffk@apple.com>
752 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
753 (DWARF2_FRAME_REG_OUT): Likewise.
754 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
755 (DWARF2_FRAME_REG_OUT): Likewise.
757 2006-10-17 Paul Brook <paul@codesourcery.com>
759 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
761 2006-10-16 Brooks Moses <bmoses@stanford.edu>
763 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
764 Standardize on "GNU Fortran" as the official name of the Fortran
767 2006-10-16 Mike Stump <mrs@apple.com>
769 * doc/invoke.texi (Darwin Options): Document -mkernel.
770 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
772 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
773 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
774 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
775 (OS_MISSING_ALTIVEC): Add.
776 * config/i386/i386.c (override_options): Add
777 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
778 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
779 -mkernel, -static or -mdynamic-no-pic is given.
780 (C_COMMON_OVERRIDE_OPTIONS): Add.
781 * config/darwin.opt (fapple-kext): Add.
783 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
784 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
786 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
787 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
788 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
789 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
790 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
792 (flag_apple_kext): Add.
793 (TARGET_KEXTABI): Add.
794 * config/darwin.c (darwin_handle_kext_attribute): Add.
795 (DARWIN_VTABLE_P): Add.
796 (darwin_binds_local_p): Add partial support for rebinding vtables
798 (darwin_kextabi_p): Add.
799 (darwin_override_options): Add.
800 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
801 (darwin_kextabi_p): Add.
802 (darwin_override_options): Add.
803 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
804 __DYNAMIC__ and __STATIC__ here.
806 2006-10-16 Brooks Moses <bmoses@stanford.edu>
808 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
809 Added mention of "make pdf" target, and Texinfo requirements for
812 2006-10-16 DJ Delorie <dj@redhat.com>
814 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
815 into the GOT in case we need a subreg of the address.
817 2006-10-16 Richard Guenther <rguenther@suse.de>
820 * doc/extend.texi (X86 Built-in Functions): Fix typos in
821 SSE builtin documentation. Document SSE2 builtins.
823 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
825 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
826 symbol in the output file for non-shared links when -nostdlib or
827 -nodefaultlibs isn't specified.
829 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
830 posix thread support.
832 2006-10-15 Jan Hubicka <jh@suse.cz>
835 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
836 declared always_inline even when not inlining.
838 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
839 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
840 Andrew Pinski <pinskia@gmail.com>
843 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
845 2006-10-15 Jan Hubicka <jh@suse.cz>
846 Richard Guenther <rguenther@suse.de>
849 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
850 process_function_and_variable_attributes on all variables, including
851 those discovered during cgraph construction phase.
853 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
855 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
857 2006-10-14 Uros Bizjak <uros@kss-loka.si>
859 * config/i386/athlon.md (athlon_fist): Add fisttp.
861 2006-10-13 David Edelsohn <edelsohn@gnu.org>
862 Ian Lance Taylor <ian@airs.com>
865 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
866 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
869 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
871 * config/score/score.c, config/score/score.h: Fix comment
874 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
877 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
880 2006-10-13 Eric Christopher <echristo@apple.com>
882 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
884 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
887 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
888 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
889 alignment supported by 32-bit ELF.
891 2006-10-13 Eric Christopher <echristo@apple.com>
893 * config/darwin.c (darwin_emit_unwind_label): Strip
894 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
896 2006-10-13 Richard Guenther <rguenther@suse.de>
898 PR tree-optimization/29446
899 * tree-vrp.c (fix_equivalence_set): Remove.
900 (extract_range_from_assert): Do not call fix_equivalence_set.
901 (debug_value_range): Print a newline.
902 (compare_name_with_value): For equivalence sets with
903 inconsistent value ranges conservatively bail out.
904 (compare_names): Likewise.
906 2006-10-13 David Edelsohn <edelsohn@gnu.org>
908 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
909 and MPFR for gfortran.
911 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
913 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
914 alignment supported by 32-bit ELF.
916 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
920 * c-typeck.c (digest_init): Always allow initializing vectors
921 that have static storage duration with compound literals.
922 * tree.c (build_type_attribute_qual_variant): New, based on
923 build_type_attribute_variant.
924 (build_type_attribute_variant): Rewrite using the former.
925 (make_vector_type): Use build_type_attribute_qual_variant to build
926 type variants. Use type_hash_canon on the others.
928 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
929 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
931 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
933 2006-10-12 Jan Hubicka <jh@suse.cz>
936 * c-decl.c (c_make_fname_decl): Do not segfault in case where
937 current_function_decl is set but current_function_scope is not.
939 2006-10-12 Jie Zhang <jie.zhang@analog.com>
941 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
942 emit_insn to emit eh_return_internal instruction.
943 (eh_return_internal): Explicitly set pc.
945 2006-10-11 Richard Guenther <rguenther@suse.de>
947 PR tree-optimization/28230
948 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
949 to the correct place.
951 2006-10-11 Richard Guenther <rguenther@suse.de>
954 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
957 2006-10-10 Brooks Moses <bmoses@stanford.edu>
959 * configure.ac: Added pdf to "Make-hooks"
960 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
961 targets and *.pdf file patterns in cleanup targets.
962 * configure: Regenerated.
964 2006-10-10 Anatoly Sokolov <aesok@post.ru>
966 * config/avr/predicates.md: New file.
967 * config/avr/avr.md: Include it.
968 (REG_SP): New constant.
969 (peepholes): Use predicates.
970 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
971 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
972 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
974 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
976 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
979 2006-10-10 Jakub Jelinek <jakub@redhat.com>
982 * builtins.c (var_decl_component_p): New function.
983 (fold_builtin_memset, fold_builtin_memory_op): Restrict
984 single entry optimization to variables and components thereof.
986 2006-10-10 Richard Guenther <rguenther@suse.de>
988 PR rtl-optimization/29323
989 * except.c (set_nothrow_function_flags): For functions
990 that do not bind local bail out early.
992 2006-10-10 Ben Elliston <bje@au.ibm.com>
994 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
997 2006-10-09 Richard Henderson <rth@redhat.com>
1001 2006-10-09 Richard Guenther <rguenther@suse.de>
1004 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1007 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1010 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1011 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1012 * configure: Regenerate.
1013 * config.in: Regenerate.
1015 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1017 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1019 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1021 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1022 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1023 Remove stray newline.
1025 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1027 * config/mips/mips.c (mips_classify_symbol): Do not return
1028 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1029 (mips_in_small_data_p): Tweak comments.
1031 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1033 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1035 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1037 * gimplify.c, sched-int.h: Fix comment typos.
1039 * sched-int.h: Fix comment typos.
1041 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1043 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1045 * sched-ebb.c (begin_schedule_ready): Use them.
1046 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1047 add_to_speculative_block, create_check_block_twin, speculate_insn,
1048 fix_jump_move, move_block_after_check): Ditto.
1049 * sched-rgn.c (new_ready): Ditto.
1051 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1053 PR rtl-optimization/29128
1054 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1055 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1056 allow interblock movement of speculation checks.
1058 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1061 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1062 casted to integer type.
1063 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1064 if they are significantly more expensive than [reg + index] ones.
1066 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1068 PR tree-optimization/29330
1069 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1070 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1071 on newly allocated ddrs.
1072 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1073 to VEC (loop_p, heap) pointer.
1074 (compute_data_dependences_for_loop): Adjust caller.
1075 (free_dependence_relations): Free DDR_LOOP_NEST.
1077 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1078 free DEPENDENCE_RELATIONS and DATAREFS.
1081 * builtins.c (expand_builtin_sync_operation,
1082 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1083 Use convert_to_mode to handle promoted arguments.
1085 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1087 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1089 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1091 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1093 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1095 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1096 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1097 Use <modeconstraint> instead of "r" as operand 1 constraint.
1099 2006-10-06 Olivier Hainque <hainque@adacore.com>
1101 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1102 Don't recurse on the pointed-to type.
1103 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1104 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1105 types with components of variable size.
1107 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1109 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1111 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1113 PR tree-optimization/29290
1114 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1118 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1119 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1122 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1123 the number of vector elements fill the rest with zeros.
1125 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1127 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1128 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1131 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1133 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1134 unnamed pattern into subsi3. Use correct constraints/predicates.
1135 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1136 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1138 2006-10-05 Ira Rosen <irar@il.ibm.com>
1140 * doc/loop.texi: Add data references analysis description.
1142 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1144 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1146 2006-10-04 Richard Henderson <rth@redhat.com>
1147 Jakub Jelinek <jakub@redhat.com>
1149 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1150 * builtin-types.def (BT_WORD): Make unsigned.
1151 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1152 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1153 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1154 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1155 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1156 * cgraph.c (decide_is_variable_needed): Look at force_output.
1157 Recurse for emulated tls.
1158 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1159 checks redundant with decide_is_variable_needed.
1160 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1161 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1163 * expr.c (emutls_var_address): New.
1164 (expand_expr_real_1): Expand emulated tls.
1165 (expand_expr_addr_expr_1): Likewise.
1166 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1167 * output.h (emutls_finish): Declare.
1168 * toplev.c (compile_file): Call it.
1169 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1170 address before wrapping in CONST.
1171 * varasm.c (emutls_htab, emutls_object_type): New.
1172 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1173 (get_emutls_object_name, get_emutls_object_type): New.
1174 (get_emutls_init_templ_addr, emutls_decl): New.
1175 (emutls_common_1, emutls_finish): New.
1176 (assemble_variable): When emulating tls, swap decls; generate
1177 constructor for the emutls objects.
1178 (do_assemble_alias): When emulating tls, swap decl and target name.
1179 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1181 * emutls.c: New file.
1182 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1183 tls_object for real tls.
1185 2006-10-04 Zack Weinberg <zackw@panix.com>
1187 Fix bug in constraint-check generator, reported by Rask Ingemann
1189 * genpreds.c (add_constraint): Don't remove anything from the
1191 (write_tm_constrs_h): Detect whether "op" argument is used, and
1192 mark it ARG_UNUSED if it isn't.
1193 (write_insn_const_int_ok_for_constraint): Skip the part of the
1194 expression that would test whether "op" (which is not available
1195 here) is a CONST_INT.
1197 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1200 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1202 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1204 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1205 current Leopard versions.
1206 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1208 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1210 * doc/install.texi: Fix typos.
1212 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1214 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1215 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1216 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1218 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1220 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1221 arg to be struct mach_header_64* instead.
1223 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1226 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1227 side effects after the outer expression's post side effects.
1229 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1231 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1232 comments to reflect actual behavior and relationship between
1233 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1235 * doc/c-tree.texi (Working with declarations): Fix documentation
1236 of FIELD_DECL likewise.
1238 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1241 * doc/extend.texi: Add used variable attribute description.
1243 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1246 * c.opt (Woverride-init): New.
1247 * c-opts.c (c_common_post_options): Default warn_override_init to
1249 * c-typeck.c (add_pending_init, output_init_element): Warn for
1250 overriding initializers without side effects.
1251 * doc/invoke.texi (-Woverride-init): Document.
1254 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1256 PR rtl-optimization/28096
1257 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1258 assignment has already been used as a destination earlier in the block.
1260 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1262 * builtins.c (expand_builtin_setjmp): Delete.
1263 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1264 <BUILT_IN_SETJMP_SETUP>: New case.
1265 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1266 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1267 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1268 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1269 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1270 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1271 (lower_function_body): Initialize it to false. If it is set to true
1272 at the end of the processing, emit the setjmp dispatcher.
1273 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1274 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1275 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1276 on the rhs of the assignment.
1277 (lower_builtin_setjmp): New function.
1278 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1279 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1280 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1281 to detect calls that can go to non-local labels. Use specific
1282 helper to create the abnormal edges associated with them.
1283 <MODIFY_EXPR>: Likewise.
1284 (make_abnormal_goto_edges): New function extracted from...
1285 (make_goto_expr_edges): ...here. Call it for computed gotos.
1286 (simple_goto_p): Minor tweak.
1287 (tree_can_make_abnormal_goto): New predicate.
1288 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1289 (tree_purge_dead_abnormal_call_edges): New function.
1290 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1291 (tree_purge_dead_abnormal_call_edges): Likewise.
1292 (make_abnormal_goto_edges): Likewise.
1293 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1294 Purge all dead abnormal edges if the call was in the last statement.
1295 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1296 (execute_fixup_cfg): If there are non-local labels in the function,
1297 scan the basic blocks and split them at calls that can go to non-local
1298 labels or add missing abnormal call edges. Write down the CFG in the
1300 (pass_fixup_cfg): Remove TODO_dump_func flag.
1301 * unwind-sjlj.c: Poison setjmp.
1302 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1303 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1304 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1305 (DONT_USE_BUILTIN_SETJMP): Document it.
1307 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1310 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1311 to 1 when __ppc64__ is defined.
1312 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1314 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1316 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1318 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1319 * config/ia64/unwind-hpux.c: Delete.
1321 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1323 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1324 on the element before gimplifying it, instead of punting if it is of
1327 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1329 * doc/loop.texi: New file.
1330 * doc/gccint.texi: Reference loop.texi.
1331 * Makefile.in (loop.texi): Add.
1333 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1335 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1337 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1338 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1340 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1342 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1344 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1346 * doc/install.texi: Document required versions of GMP and MPFR.
1348 2006-09-27 Paul Brook <paul@codesourcery.com>
1351 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1353 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1355 * reload1.c (alter_reg): Require the alignment of the stack slot to
1356 be at least reg_max_ref_width bytes.
1357 (scan_paradoxical_subregs): Record the largest width in
1360 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1364 * tree-nested.c (struct nesting_info): Added static_chain_added.
1365 (convert_call_expr): Set static_chain_added when adding static
1366 chain. Handle OMP_PARALLEL and OMP_SECTION.
1368 2006-09-25 Matthias Klose <doko@debian.org>
1370 * doc/invoke.texi: Add missing full stop.
1372 2006-09-25 Richard Henderson <rth@redhat.com>
1374 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1375 before cgraph_function_flags_ready.
1377 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1378 Adam Nemet <anemet@caviumnetworks.com>
1380 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1381 determine_common_wider_type): New functions.
1382 (get_computation_aff): Use them to simplify arithmetic between
1383 UBASE and CBASE if they are shortened from the same type.
1385 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1388 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1389 -2147483647 - 1 instead of 0x80000000.
1391 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1393 * flags.h (HONOR_NANS): Fix typo in comment.
1395 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1397 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1399 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1403 * tree.c (merge_attributes, attribute_list_contained): If both
1404 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1406 * c-typeck.c (comptypes_internal): Don't consider aggregates
1407 in different TUs as compatible if there one set of attributes is
1408 not a subset of the other type's attributes.
1409 (composite_type): Try harder not to create a new aggregate type.
1411 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1413 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1414 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1415 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1416 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1417 than replicating condition above.
1418 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1420 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1421 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1422 the linker by default.
1424 2006-09-22 Mike Stump <mrs@apple.com>
1426 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1429 2006-09-22 Richard Guenther <rguenther@suse.de>
1432 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1433 sort of stack variables stable.
1435 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1438 * explow.c (force_reg): Set REG_POINTER flag according to
1441 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1443 PR tree-optimization/28888
1444 * tree-if-conv.c (combine_blocks): Rewritten.
1445 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1446 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1448 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1450 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1453 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1455 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1457 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1459 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1461 2006-09-21 Roger Sayle <roger@eyesopen.com>
1464 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1465 dw_fde_current_label, to be the start of the function, i.e. the same
1466 value as dw_fde_begin.
1468 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1470 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1471 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1472 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1473 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1474 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1475 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1476 (abs<mode>2, neg<mode>2): Likewise.
1477 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1478 (*mips_abs_ps): New define_insn.
1480 2006-09-20 Josh Conner <jconner@apple.com>
1483 * calls.c (expand_call): Allow reuse of structure return stack
1486 2006-09-20 Paul Brook <paul@codesourcery.com>
1488 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1491 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1493 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1494 clean up terminology.
1496 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1499 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1500 with tablejumps in them.
1502 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1505 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1506 wrap it into TARGET_EXPR.
1508 2006-09-20 Eric Christopher <echristo@apple.com>
1510 * config/i386/i386.c (x86_fisttp): Remove.
1511 * config/i386/i386.h (x86_fisttp): Ditto.
1512 (TARGET_FISTTP): Ditto.
1514 2006-09-19 Eric Christopher <echristo@apple.com>
1516 * doc/tm.texi (OBJC_JBLEN): Describe.
1517 * config/i386/darwin.h (OBJC_JBLEN): Define.
1518 * config/rs6000/darwin.h: Ditto.
1520 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1522 PR rtl-optimization/21299
1523 * reload1.c (reload): Purge invalid ASMs in the final pass.
1525 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1528 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1529 pointers as legitimate constants.
1531 2006-09-19 Paul Brook <paul@codesourcery.com>
1534 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1536 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1538 PR tree-optimization/28887
1539 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1540 component parts from the reference.
1541 (gather_memory_references_ref): Record the reference without the
1542 nonaddressable component parts.
1544 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1547 * c-opts.c (c_common_handle_option): Ignore the -std options
1548 if the input language is assembly.
1550 2006-09-17 Ira Rosen <irar@il.ibm.com>
1553 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1555 (ptr_ptr_may_alias_p): Likewise.
1556 (record_record_differ_p): New function.
1557 (base_object_differ_p): Call record_record_differ_p.
1559 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1562 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1563 away for the expr argument.
1565 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1568 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1569 before using it for dumping after vectorizing loops.
1571 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1572 Jack Howarth <howarth@bromo.med.uc.edu>
1575 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1576 skip on error_mark_node.
1577 (rs6000_darwin64_record_arg_recurse): Likewise.
1579 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1581 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1582 * doc/rtl.texi: Remove related documentation.
1584 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1586 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1589 2006-09-15 Jim Wilson <wilson@specifix.com>
1591 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1592 Handle symbol offsets same as they are handled in ia64_expand_move
1595 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1597 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1598 Add forgotten parameter to the fprintf call.
1600 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1602 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1604 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1606 * doc/contrib.texi: Add my entry.
1608 2006-09-15 Nick Clifton <nickc@redhat.com>
1610 * doc/md.texi (Processor pipeline description): Fix typo in
1611 example of how to use the absence_set directive and reword the
1612 description to make it slightly easier to read.
1614 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1616 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1617 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1618 expanding the number of iterations.
1619 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1621 * cfgrtl.c (emit_insn_at_entry): New function.
1622 * rtl.h (emit_insn_at_entry): Declare it.
1623 * integrate.c (emit_initial_value_sets): Use it.
1625 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1627 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1629 (struct loop_work and related VEC declarations): Delete.
1630 (bfin_dump_loops): Print out new member bad.
1631 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1632 (bfin_scan_loop): Don't recurse.
1633 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1634 loops. No longer need to update outer loops if the current one is
1635 found bad. Move some validitiy checks to bfin_discover_loop.
1636 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1637 but changed not to check for nesting. Also changed to use the new bad
1639 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1640 time. Use bitmap based test to discover loop nesting.
1642 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1644 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1647 2006-09-14 Richard Guenther <rguenther@suse.de>
1648 Kazu Hirata <kazu@codesourcery.com>
1650 PR middle-end/28884.
1651 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1652 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1653 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1654 with TARGET_FUNCTION_VALUE.
1656 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1659 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1661 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1663 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1666 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1669 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1672 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1674 * basic_block.h (bb_has_eh_pred): Fix comment.
1676 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1678 * flow.c (calculate_global_regs_live): Invalidate eh registers
1679 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1680 (propagate_block): Handle eh registers as if they were set at basic
1682 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1684 * global.c (global_conflicts): Make eh registers to conflict with
1685 pseudos live at basic block begin.
1686 * basic_block.h (bb_has_eh_pred): New function.
1688 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1690 PR rtl-optimization/28982
1691 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1692 index of a PRE_MODIFY or POST_MODIFY address.
1693 * reload1.c (inc_for_reload): Use find_replacement on the original
1694 base and index registers.
1696 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1698 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1699 for -Os. Update __m128 alignment requirement.
1701 2006-09-13 Jan Hubicka <jh@suse.cz>
1703 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1705 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1707 PR rtl-optimization/28243
1708 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1709 the insn to which the note was originally attached.
1711 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1712 Roger Sayle <roger@eyesopen.com>
1714 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1715 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1716 on platforms that don't use dwarf for debug info.
1718 2006-09-12 Jason Merrill <jason@redhat.com>
1721 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1722 hard_frame_pointer_rtx after using it to update the frame pointer.
1724 2006-09-12 Roger Sayle <roger@eyesopen.com>
1726 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1727 (TARGET_ASM_CLOSE_PAREN): Likewise.
1728 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1729 (TARGET_ASM_CLOSE_PAREN): Likewise.
1731 2006-09-12 Roger Sayle <roger@eyesopen.com>
1734 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1735 frame information for frames larger than 512 Kbytes on Tru64 when
1736 using the native assembler.
1738 2006-09-12 Roger Sayle <roger@eyesopen.com>
1742 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1743 and symbols. Instead use the implementation from cse.c's hash_rtx.
1745 2006-09-12 Jan Hubicka <jh@suse.cz>
1747 PR rtl-optimization/28071
1748 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1749 (vect_transform_loop): Likewise.
1750 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1751 (new_loop_vec_info): Likewise.
1752 (destroy_loop_vec_info): Likewise.
1753 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1754 (create_stmt_ann): Likewise.
1755 (create_tree_ann): Rename to ...
1756 (create_tree_common_ann): ... this one; allocate only the common part
1758 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1759 (get_value_handle): Likewise.
1760 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1761 get_tree_common_ann.
1762 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1763 (vinfo_for_stmt): Use stmt annotations.
1764 * tree-flow.h (tree_ann_common_t): New type.
1765 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1766 (tree_ann, get_tree_ann, create_tree_ann): New.
1767 * tree-flow-inline.h (get_function_ann): Do more type checking.
1768 (stmt_ann): Likewise.
1769 (tree_ann): Rename to ...
1770 (tree_common_ann): ... this one; return ony common_ann
1771 (get_tree_ann): Rename to ...
1772 (tree_common_ann): This one; return only common_ann.
1773 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1776 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1778 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1779 with_cpu by default.
1781 * dwarf2out.c (dwarf_file_data): New.
1782 (enum dw_val_class): Add dw_val_class_file.
1783 (struct dw_val_struct): Add val_file.
1784 (file_table): Change to a hash table.
1785 (file_table_emitted): Delete.
1786 (file_table_last_lookup_index): Delete.
1787 (emitcount): Delete.
1788 (last_emitted_file): New.
1789 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1790 (init_file_table): Delete.
1791 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1792 (AT_addr): Add comment.
1796 (print_die): Handle dw_val_class_file.
1797 (print_dwarf_line_table): Update for new file table structure.
1798 (attr_checksum): Do checksum a filename.
1799 (same_dw_val_p, same_attr_p): Do compare a filename.
1800 (size_of_die): Handle dw_val_class_file.
1801 (value_format): Likewise.
1802 (output_die): Likewise. Also, call maybe_emit_file here.
1803 (struct file_info): Constify filenames. Make file_idx a pointer
1804 to a struct dwarf_file_data.
1805 (struct dir_info): Constify directory names. Remove 'used' field.
1806 (struct file_name_acquire_data): New.
1807 (file_name_acquire): New.
1808 (output_file_names): Modify to handle new file data structures.
1809 (add_src_coords_attributes): Use add_AT_file.
1810 (add_call_src_coords_attributes): Likewise.
1811 (dwarf2out_imported_module_or_decl): Likewise.
1812 (gen_subprogram_die): Modify for new file data structures.
1813 (gen_variable_die): Likewise.
1814 (file_table_eq): New.
1815 (file_table_hash): New.
1816 (file_table_last_lookup): New.
1817 (lookup_filename): Rewrite to handle new file data structures.
1818 (maybe_emit_file): Rewrite to handle new file data structures.
1819 (dwarf2out_source_line): Always call lookup_filename and
1821 (dwarf2out_init): Create file_table here.
1822 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1823 (file_table_relative_p): New.
1824 (dwarf2out_finish): Change detection of relative filenames
1825 to work with new file data structures. Move output_line_info call
1826 after debug_info output.
1828 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1833 * config/i386/i386.c (override_options): Always default to 16
1834 byte stack boundary.
1836 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1839 * var-tracking.c (dump_dataflow_set): Start dumping at
1841 (clobber_variable_part): Kill only the variable part in
1842 registers holding it, leaving other variables alone.
1844 2006-09-11 Josh Triplett <josh@freedesktop.org>
1846 * doc/extend.texi (Other Builtins): Actually use the macro
1847 argument in the documentation example for
1848 __builtin_types_compatible_p.
1850 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1852 PR rtl-optimization/28726
1853 * sched-deps.c (sched_analyze_reg): New function extracted from...
1854 (sched_analyze_1): ...here. Call it to analyze references to
1855 registers. Treat again writes to a stack register as writing to the
1857 (sched_analyze_2): ...and here. Call it to analyze references to
1858 registers. Treat again reads of a stack register as reading the
1861 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1862 David Edelsohn <edelsohn@gnu.org>
1865 * config/rs6000/spe.md (frob_df_di): Remove %H.
1866 (frob_di_df): Remove %H. Change evmergelo to mr.
1867 (frob_di_df_2): Remove %H. Change evldd to two loads.
1869 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1871 * doc/cpp.texi: Fix names of charset options.
1873 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1876 * config/i386/i386.c (override_options): Use 128-bit
1877 stack boundary always for 64bits.
1879 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1881 PR rtl-optimization/28636
1882 * combine.c (force_to_mode): Test for side-effects before
1883 substituting by zero.
1884 (simplify_shift_const): Likewise for zero or other constants.
1886 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1889 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1892 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1895 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1896 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1897 returned by mode_for_size, rather than the mode of src itself,
1898 to choose between 32-bit and 64-bit patterns.
1899 (mips_mem_fits_mode_p): New function.
1900 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1901 that the size of the source matches the size of the destination.
1902 (mov_<store>l, mov_<store>r): Likewise.
1904 2006-09-10 Eric Christopher <echristo@apple.com>
1906 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1909 2006-09-09 Eric Christopher <echristo@apple.com>
1912 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1915 2006-09-09 Roger Sayle <roger@eyesopen.com>
1916 Nicolas Setton <setton@adacore.com>
1918 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1920 2006-09-10 Andreas Schwab <schwab@suse.de>
1922 * config/m68k/m68k.md (bungt_rev): New pattern.
1924 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1925 Dale Johannesen <dalej@apple.com>
1928 * regclass.c (struct reg_pref): Update documentation.
1929 (regclass): Set prefclass to NO_REGS if memory is the best option.
1930 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1932 2006-09-08 Eric Christopher <echristo@apple.com>
1934 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1935 * config/t-slibgcc-darwin: Support x86_64 multilib.
1936 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1937 Return 1 for x86_64-darwin.
1938 * config/i386/t-darwin: Add m64 multilib.
1939 (LIB2_SIDITI_CONV_FUNCS): Use.
1940 (LIB2FUNCS_EXTRA): Ditto.
1941 * config/i386/darwin.h: Support x86_64.
1942 * config/i386/i386.c (override_options): Turn on flag_pic
1943 for x86_64-darwin. Disable flag_omit_pointer.
1944 (get_pc_thunk_name): Assert !TARGET_64BIT.
1945 (legitimate_address_p): Disable machopic addressing for
1947 (legitimize_pic_address): Ditto.
1948 (ix86_expand_move): Ditto.
1949 (ix86_expand_call): Ditto.
1950 (machopic_output_stub): Ditto.
1951 * config/darwin.c (machopic_select_section): Support literal16.
1952 (machopic_select_rtx_section): Ditto.
1953 * config/darwin-sections.def: Ditto.
1954 * config/darwin-64.c: New.
1956 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1959 * c-tree.h (struct c_arg_info): Add pending_sizes.
1960 * c-parser.c (c_parser_parms_declarator,
1961 c_parser_parms_list_declarator): Initialize pending_sizes.
1962 * c-decl.c (get_parm_info): Initialize pending_sizes.
1963 (get_parm_info): Set pending_sizes.
1964 (grokdeclarator): Call put_pending_sizes for parameters for
1965 function definition only.
1967 2006-09-07 Jason Merrill <jason@redhat.com>
1970 * varasm.c (output_constant): Only strip actual no-op conversions.
1973 * config/i386/i386.c (override_options): Use 128-bit
1974 stack boundary if -msse.
1976 2006-09-07 Eric Christopher <echristo@apple.com>
1978 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1980 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1983 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1985 * dwarf2out.c: Remove strange characters from comment above
1986 dwarf2out_frame_debug_expr.
1988 2006-09-07 Eric Christopher <echristo@apple.com>
1990 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1991 * config/darwin.h: ... to here.
1993 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1995 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1997 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1998 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2000 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2001 TARGET_PARTIAL_FLAG_REG_STALL.
2002 (*ashldi3_cconly_rex64): Likewise.
2003 (*ashlsi3_cmp): Likewise.
2004 (*ashlsi3_cconly): Likewise.
2005 (*ashlsi3_cmp_zext): Likewise.
2006 (*ashlhi3_cmp): Likewise.
2007 (*ashlhi3_cconly): Likewise.
2008 (*ashlqi3_cmp): Likewise.
2009 (*ashlqi3_cconly): Likewise.
2010 (*ashrdi3_cmp_rex64): Likewise.
2011 (*ashrdi3_cconly_rex64): Likewise.
2012 (*ashrsi3_cmp): Likewise.
2013 (*ashrsi3_cconly): Likewise.
2014 (*ashrsi3_cmp_zext): Likewise.
2015 (*ashrhi3_cmp): Likewise.
2016 (*ashrhi3_cconly): Likewise.
2017 (*ashrqi3_cmp): Likewise.
2018 (*ashrqi3_cconly): Likewise.
2019 (*lshrdi3_cmp_rex64): Likewise.
2020 (*lshrdi3_cconly_rex64): Likewise.
2021 (*lshrsi3_cmp): Likewise.
2022 (*lshrsi3_cconly): Likewise.
2023 (*lshrsi3_cmp_zext): Likewise.
2024 (*lshrhi3_cmp): Likewise.
2025 (*lshrhi3_cconly): Likewise.
2026 (*lshrqi2_cmp): Likewise.
2027 (*lshrqi2_cconly): Likewise.
2029 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2032 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2033 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2034 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2035 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2036 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2037 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2038 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2039 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2040 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2041 implement only CC setting effects of shift instructions.
2043 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2045 * doc/contrib.texi: Add myself.
2047 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2050 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2051 was set by the user.
2053 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2056 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2057 (divsi_inv_m1): Use them.
2058 (UNSPEC_DIV_INV_TABLE): New constant.
2060 2006-09-06 James E Wilson <wilson@specifix.com>
2063 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2064 then call count_or_remove_death_notes.
2066 2006-09-06 Jason Merrill <jason@redhat.com>
2069 * tree-inline.c (copy_result_decl_to_var): New fn.
2070 (declare_return_variable): Use it. Call declare_inline_vars here.
2071 (expand_call_inline): Not here.
2073 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2075 * doc/contrib.texi: Update my entry.
2077 2006-09-06 Nick Clifton <nickc@redhat.com>
2079 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2081 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2084 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2085 (canonicalize_induction_variables): Likewise.
2086 (tree_unroll_loops_completely): Likewise.
2087 (tree_ssa_prefetch_arrays): Likewise.
2088 (remove_empty_loops): Likewise.
2089 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2090 TODO_cleanup_cfg instead of directly calling
2091 cleanup_tree_cfg_loop.
2092 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2094 (tree_unroll_loops_completely): Likewise.
2095 (remove_empty_loops): Likewise.
2096 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2097 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2098 of tree_ssa_unswitch_loops.
2099 (tree_ssa_loop_ivcanon): Use the return value of
2100 canonicalize_induction_variables.
2101 (tree_ssa_empty_loop): Use the return value of
2103 (tree_complete_unroll): Use the return value of
2104 tree_unroll_loops_completely.
2105 (tree_ssa_loop_prefetch): Use the return value of
2106 tree_ssa_prefetch_arrays.
2107 * passes.c (execute_todo): Before Cleanup CFG, set
2108 updating_used_alone and after cleanup CFG, call
2109 recalculate_used_alone.
2111 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2114 * tree-vect-transform.c (vectorizable_condition): Move the check
2115 for the type after the check for simple condition.
2117 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2118 Kaz Kojima <kkojima@gcc.gnu.org>
2121 * mode-switching.c (optimize_mode_switching): Make the destination
2122 block of an abnormal edge have no anticipatable mode. Don't
2123 insert mode switching code at the end of the source block of
2126 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2128 PR rtl-optimization/26847
2129 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2130 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2131 (simplify_plus_minus): Count n_constants while filling ops. Replace
2132 qsort with insertion sort. Before going through the array to simplify
2133 pairs, sort it. Delay early exit until after the first sort, exiting
2134 only if no swaps occurred. Simplify pairs in reversed order, without
2135 special-casing the first iteration. Pack ops after simplifying pairs.
2137 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2139 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2140 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2141 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2142 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2144 2006-09-05 Richard Guenther <rguenther@suse.de>
2146 PR tree-optimization/28900
2147 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2148 compound conditional before creating COND_EXPR condition.
2150 2006-09-05 Richard Guenther <rguenther@suse.de>
2152 PR tree-optimization/28905
2153 * tree-vrp.c (fix_equivalence_set): Manually implement
2154 !value_ranges_intersect_p to also handle symbolic ranges.
2156 2006-09-05 Richard Guenther <rguenther@suse.de>
2159 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2162 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2164 PR rtl-optimization/27616
2165 * cse.c (table_size): New static variable.
2166 (new_basic_block): Initialize it to 0.
2167 (remove_from_table): Decrement it.
2168 (insert): Increment it.
2169 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2170 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2171 fold_rtx_mem_1 if under the cap.
2172 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2173 the lookup of the equivalent expression and test for equality of the
2174 first operand of the equivalent expression before in turn looking up
2175 an equivalent constant for the second operand.
2177 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2180 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2181 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2182 pointer, instead of assuming it is possible to derive the
2183 correct args size from a call insn.
2185 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2188 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2189 (fold_builtin_mempcpy): Rename to...
2190 (fold_builtin_memory_op): ... this. Optimize one element copy
2192 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2194 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2195 (expand_builtin_memcpy, expand_builtin_mempcpy,
2196 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2197 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2198 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2199 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2201 2006-09-01 DJ Delorie <dj@redhat.com>
2203 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2204 (stzx_16): Likewise.
2205 ("stzx_24_<mode>"): Likewise.
2206 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2207 ("cmp<mode>_op"): New.
2208 (cmp<mode>): Change to expander; just save operands.
2210 (b<code>): Change to expander, emit compare here.
2211 (s<code>_op): Change to use split and expander.
2212 (s<code>_24_op): Likewise.
2213 (s<code>_<mode>): New.
2214 (s<code>_<mode>_24): New.
2215 (movqicc_<code>_<mode): New.
2216 (movhicc_<code>_<mode>): New.
2219 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2220 (m32c_pend_compare): New.
2221 (m32c_unpend_compare): New.
2222 (m32c_expand_scc): New.
2223 (m32c_expand_movcc): Emit the compare also.
2224 * config/m32c/predicates.md (mra_nopp_operand): New.
2226 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2227 Richard Guenther <rguenther@suse.de>
2228 Adam Nemet <anemet@caviumnetworks.com>
2231 * builtins.c (get_pointer_alignment): Handle more forms
2232 of base addresses that can be used to derive more precise
2233 information about alignment.
2235 2006-09-01 Jason Merrill <jason@redhat.com>
2238 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2241 * gimplify.c (voidify_wrapper_expr): Handle null type.
2243 2006-09-01 Josh Conner <jconner@apple.com>
2246 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2247 (execute_return_slot_opt): Use it.
2249 2006-08-31 Josh Conner <jconner@apple.com>
2252 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2253 returning aggregates.
2255 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2257 PR tree-optimization/28839
2258 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2259 blocks in that phi arguments appear.
2261 2006-08-31 Roger Sayle <roger@eyesopen.com>
2264 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2265 NULL, otherwise use an advance_loc4 to adjust relative to the
2267 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2268 (dwarf2out_switch_text_section): Reset the current label to avoid
2269 using advance_loc4 over section boundaries.
2271 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2274 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2275 r12 + SYMBOLIC_CONST.
2277 2006-08-30 Richard Guenther <rguenther@suse.de>
2279 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2281 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2283 PR rtl-optimization/27735
2284 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2285 Add new argument to keep track of whether an irreducible region
2286 was affected. All callers changed.
2287 (fix_irreducible_loops): Removed.
2288 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2289 flags were invalidated.
2291 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2293 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2294 instead of SF operands.
2295 (*fop_df_comm_sse): Likewise.
2296 (*fop_df_comm_i387): Likewise.
2297 (*fop_df_1_mixed): Likewise.
2298 (*fop_df_1_sse): Likewise.
2300 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2301 J"orn Rennecke <joern.rennecke@st.com>
2303 PR tree-optimization/17506
2304 * tree-ssa.c (warn_uninit): If warning about a location outside of
2305 the current function, note where the variable was declared.
2307 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2309 PR tree-optimization/28411
2310 * double-int.c (double_int_div): Use double_int_divmod.
2311 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2312 double_int_mod, double_int_smod, double_int_umod): New functions.
2313 * double-int.h (double_int_divmod, double_int_sdivmod,
2314 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2316 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2318 (get_computation_aff, get_computation_cost_at): Handle double_int
2319 return type of constant_multiple_of.
2321 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2324 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2325 an implicit conversion.
2327 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2329 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2331 2006-08-27 Roger Sayle <roger@eyesopen.com>
2333 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2336 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2338 * config/i386/crtfastmath.c: Fix a comment typo.
2340 2006-08-26 Roger Sayle <roger@eyesopen.com>
2342 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2343 temporary visit flags on CASE_LABEL_EXPRs.
2344 * c-common.c (match_case_to_enum): Add function comment. Avoid
2345 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2346 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2347 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2348 a constant, only warn if that constant value isn't handled.
2350 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2353 * input.h (restore_input_file_stack): Declare.
2354 (INPUT_FILE_STACK_BITS): Define.
2355 * toplev.c (fs_p, input_file_stack_history,
2356 input_file_stack_restored, restore_input_file_stack): New.
2357 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2358 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2359 (pop_srcloc): Don't free old state of stack.
2361 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2364 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2365 (PowerPC Type Attributes): New.
2367 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2369 * config/xtensa/xtensa.c (function_arg_boundary): New.
2370 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2372 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2373 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2375 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2378 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2381 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2383 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2384 (verify_local_live_at_start): Likewise.
2386 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2389 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2390 omp_add_variable): Treat sizes as variable whenever not
2393 2006-08-26 Richard Guenther <rguenther@suse.de>
2396 * fold-const.c (fold_binary): Fold temporary to correct
2397 type before constructing new comparison.
2399 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2402 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2403 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2405 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2408 * c-decl.c (start_function): Don't try to process prototype
2409 information from old declaration that isn't a function.
2411 2006-08-25 Jan Hubicka <jh@suse.cz>
2414 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2416 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2419 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2422 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2424 PR tree-optimization/16876
2425 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2426 exit if PARM doesn't match VALUE.
2428 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2430 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2431 literal_prefix directive.
2432 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2433 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2434 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2436 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2439 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2440 predicate to general_operand. Add 0->y and I->r alternatives.
2442 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2444 * doc/tm.texi: Fix a typo.
2445 * predict.c: Fix comment typos.
2447 2006-08-25 Nick Clifton <nickc@redhat.com>
2449 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2450 assertions of "cpu" and "machine".
2452 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2455 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2456 the access through a base which has an alias set of 0 cannot
2459 2006-08-24 Bill Wendling <wendling@apple.com>
2461 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2463 2006-08-24 Jan Hubicka <jh@suse.cz>
2465 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2467 2006-08-24 Jan Hubicka <jh@suse.cz>
2470 * cgraph.c: Fix comments.
2471 (cgraph_varpool_mark_needed_node): Mark only variables not already
2473 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2474 (cgraph_varpool_assembled_nodes_queue): New static variable.
2475 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2476 (cgraph_varpool_output_debug_info): New function.
2477 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2478 * Makefile.in: Add gt-cgraphunit.h
2480 2006-08-24 Jan Hubicka <jh@suse.cz>
2482 * predict.c (probability_reliable_p): New predicate.
2483 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2484 (predict_loops): Do not predict loop exit with less than 2%
2486 * basic-block.h (edge_probability_reliable_p,
2487 br_prob_note_reliable_p): Declare.
2488 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2489 prediction when static predictor is not reliable.
2490 * rs6000.c (output_cbranch): Likewise.
2492 2006-08-23 Stuart Hastings <stuart@apple.com>
2495 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2496 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2498 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2501 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2502 complex values, nor for generic vector values.
2504 2006-08-22 Richard Guenther <rguenther@suse.de>
2507 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2508 parameter. Convert arguments to arithmetic expression to the
2510 (analyze_scalar_evolution_1): Adjust caller.
2512 2006-08-22 Jan Hubicka <jh@suse.cz>
2514 Patch by Paolo Bonzini
2515 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2518 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2520 PR tree-optimization/28003
2521 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2522 before grouping aliases.
2524 2006-08-22 Roger Sayle <roger@eyesopen.com>
2526 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2527 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2529 2006-08-21 Jason Merrill <jason@redhat.com>
2532 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2533 wrapper. Loop to handle nested wrappers.
2534 (gimplify_bind_expr): Remove temp parameter.
2535 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2536 and STATEMENT_LIST on the rhs.
2537 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2538 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2539 (gimplify_target_expr): Remove special BIND_EXPR handling.
2541 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2543 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2546 2006-08-21 Olivier Hainque <hainque@adacore.com>
2548 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2549 Arrange for the temporary captures of components overlapping the lhs
2550 to happen before the lhs is possibly cleared.
2552 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2554 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2555 necessary places to pass the correct "number of registers" values
2558 2006-08-20 Jan Hubicka <jh@suse.cz>
2560 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2561 (create_name_tags): Instead of quadratic checking use hashtable.
2562 * bitmap.h: Include hashtab.h.
2563 (bitmap_hash): Declare.
2564 * bitmap.c (bitmap_hash): New function.
2566 2006-08-20 Jan Hubicka <jh@suse.cz>
2568 PR rtl-optimization/28071
2569 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2571 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2572 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2573 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2574 cgraph_decide_inlining_incrementally): Update use of
2575 cgraph_check_inline_limits.
2576 * cgraph.c (edge_hash, edge_eq): New function.
2577 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2578 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2579 cgraph_remove_node): Maintain call site hash.
2580 * cgraph.h (struct cgraph_node): Add call_site_hash.
2581 (cgraph_set_call_stmt): New function.
2583 2006-08-20 Jan Hubicka <jh@suse.cz>
2585 PR rtl-optimization/28071
2586 * reload1.c (reg_has_output_reload): Turn into regset.
2587 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2588 choose_reload_regs, emit_reload_insns): Update to new
2589 reg_has_output_reload.
2591 2006-08-20 Jan Hubicka <jh@suse.cz>
2594 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2595 function body sizes.
2596 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2598 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2601 * tree.c (handle_dll_attribute): Return early if not a
2602 var or function decl.
2604 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2607 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2608 alignment of SPE vector types.
2610 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2612 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2614 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2617 * cgraph.h (struct cgraph_node): Remove externally_visible
2619 * cgraphunit.c (process_function_and_variable_attributes): Set
2620 local.externally_visible rather than externally_visible.
2623 * c-common.c (handle_externally_visible_attribute): First look
2624 at TREE_CODE and only if it is function or var decl, check for
2625 non-public objects. Don't warn for DECL_EXTERNAL.
2626 * cgraphunit.c (process_function_and_variable_attributes): Warn
2627 if externally_visible attribute is used on non-public object.
2629 2006-08-17 Jan Hubicka <jh@suse.cz>
2631 PR tree-optimization/27865
2632 * reload1.c (forget_marked_reloads): New function.
2633 (forget_old_reloads_1): When data are passed, just mark the registers
2635 (reload_as_needed): Use the new mechanizm.
2637 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2640 * reload.h (reg_equiv_alt_mem_list): New declaration.
2641 * reload1.c (reg_equiv_alt_mem_list): New definition.
2642 (reload): Initialize it and release it.
2643 (delete_output_reload): Use it.
2644 * reload.c (push_reg_equiv_alt_mem): New function.
2645 (find_reloads_toplev): Call it.
2646 (find_reloads_address, find_reloads_address_1): Likewise.
2647 (find_reloads_subreg_address): Likewise.
2649 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2651 PR rtl-optimization/28489
2652 * sched-ebb.c (begin_schedule_ready): Create basic block
2654 (advance_target_bb): Skip empty blocks.
2655 * haifa-sched.c (bb_note): Make global.
2656 * sched-int.h (bb_note): Add prototype.
2658 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2660 PR tree-optimization/27865
2661 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2663 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2664 fold_used_pointer, pointer_used_p): New functions.
2665 (analyze_scalar_evolution_1): Use fold_used_pointer.
2666 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2667 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2670 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2673 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2674 or the INTEGER_CST. Fail on a CALL_EXPR.
2675 (fold_offsetof): Pass new argument to fold_offsetof_1.
2676 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2677 operand into an INDIRECT_REF.
2678 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2680 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2682 PR gcov/profile/26570
2683 * value-prof.c (static_values): Removed.
2684 (tree_find_values_to_profile): Do not set static_values.
2685 (find_values_to_profile): Do not free static_values.
2686 * profile.c (instrument_values): Do not free the values.
2687 (branch_prob): Free the values.
2689 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2691 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2693 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2696 * c-typeck.c (build_component_ref): Combine qualifiers of
2697 structure or union and field.
2699 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2701 PR rtl-optimization/28071
2702 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2703 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2704 * tree-into-ssa.c (struct dom_dfsnum): New.
2705 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2707 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2708 compute_global_livein.
2709 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2710 in phi nodes in the correct blocks.
2712 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2714 PR tree-optimization/28364
2715 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2717 (fold_affine_expr): New function.
2718 (may_eliminate_iv): Use fold_affine_expr.
2720 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2723 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2726 2006-08-16 Mike Stump <mrs@apple.com>
2728 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2729 * doc/cppopts.texi (-MD): Likewise.
2731 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2734 * c-common.c (handle_weak_attribute): Ignore and warn if
2735 not a FUNCTION_ or VAR_DECL.
2737 2006-07-15 Mike Stump <mrs@apple.com>
2740 * c-parser.c (c_parser_typeof_specifier): Don't use
2741 c_finish_expr_stmt, open code desired semantics instead.
2743 2006-08-15 Nick Clifton <nickc@redhat.com>
2745 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2746 fragment to tmake_file only if threads are enabled.
2747 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2748 * config/i386/t-gthr-win32: New file. ... here.
2750 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2753 * c-parser.c (c_parser_compound_statement_nostart): Reset
2754 parser->error after each statement.
2756 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2759 * omp-low.c (lower_omp_parallel): Convert t to
2760 receiver_decl's type.
2761 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2762 source before comparison.
2765 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2766 to itype in assignment to oldival2.
2768 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2772 * c-typeck.c (build_compound_expr): If the second expression
2773 is an error mark, then just return an error mark instead of
2774 creating a COMPOUND_EXPR.
2776 2006-07-14 Mike Stump <mrs@apple.com>
2778 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2780 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2782 * c-decl.c, var-tracking.c: Fix comment typos.
2784 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2786 PR rtl-optimization/28634
2787 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2788 for floating-point modes unless flag_unsafe_math_optimizations.
2790 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2791 Andrew Pinski <pinskia@physics.uc.edu>
2794 * tree.c (build_array_type): Unify array types with
2795 unspecified index_type.
2796 * c-decl.c (grokdeclarator): Make sure we do not modify a
2797 unified incomplete array type.
2798 * c-typeck.c (store_init_value): Create distinct type before
2799 filling in the index type in an initializer from a compound
2802 * c-decl.c (grokdeclarator): Remove code where we copy the
2805 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2807 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2808 into account for TODO_dump_cgraph.
2809 (TODO_update_ssa_no_phi): Likewise.
2810 (TODO_update_ssa_full_phi): Likewise.
2811 (TODO_update_ssa_only_virtuals): Likewise.
2812 (TODO_remove_unused_locals): Likewise.
2813 (TODO_set_props): Likewise.
2814 (TODO_update_stmt_usage): Likewise.
2816 2006-08-13 Dirk Mueller <dmueller@suse.de>
2818 * c-common.c (strict_aliasing_warning): Fix formatting.
2820 2006-08-13 Matthias Klose <doko@debian.org>
2822 * doc/invoke.texi: Fix spelling errors.
2824 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2826 PR rtl-optimization/23454
2827 * reorg.c (relax_delay_slots): Update comment.
2829 2006-08-11 Richard Guenther <rguenther@suse.de>
2832 * simplify-rtx.c (simplify_const_relational_operation):
2833 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2836 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2838 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2839 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2841 2006-08-10 Paul Brook <paul@codesourcery.com>
2843 * final.c (final_scan_insn): Clear current_insn_predicate before
2844 outputting inline asm.
2846 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2848 PR tree-optimization/26197
2849 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2850 get_ref_base_and_extent and overlap_subvar to add only relevant
2851 subvars as may-aliases.
2852 (add_may_alias_for_new_tag): New function, factored out of
2854 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2855 with additional argument.
2856 * tree-flow.h (new_type_alias): Takes additional argument.
2858 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2860 * gcov.c (no_data_file): New flag.
2861 (read_count_file): Set it if data file not present. Assume counts
2863 (output_lines): Don't name the data file, if there wasn't one.
2865 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2867 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2868 (rs6000_generate_compare): Tweak comments.
2869 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2871 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2873 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2874 (var_debug_decl): New function.
2875 (var_reg_set): Follow debug decl link. Add location even if
2876 reg is already known to hold some other variable.
2877 (var_mem_set): Follow debug decl link.
2878 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2879 decl link. Delete other known locations of the variable part
2881 (var_reg_delete, var_mem_delete): Delete other known locations
2882 of the variable part if requested.
2883 (same_variable_part_p): New function.
2884 (add_stores): Select MO_COPY when appropriate.
2885 (vt_initialize): Handle it.
2886 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2887 known locations for MO_SET and MO_CLOBBER.
2888 (find_variable_location_part): New function.
2889 (set_variable_part, delete_variable_part): Use it.
2890 (clobber_variable_part): New function.
2891 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2894 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2896 PR tree-optimization/26969
2897 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2898 with an empty list of PHIs.
2900 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2904 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2907 2006-08-06 Andreas Schwab <schwab@suse.de>
2909 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2910 string. Whitespace and comment fixup.
2912 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2915 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2919 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2922 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2924 2006-08-04 Jan Hubicka <jh@suse.cz>
2928 * reload.c (push_reload): Patch out the mismatching instruction;
2930 (find_reload): Bail out if the instruction was patched out.
2932 2006-08-04 Jan Hubicka <jh@suse.cz>
2934 PR tree-optimization/24888
2935 * tree-inline.c (expand_call_inline): Do not re-record variables.
2936 (declare_inline_vars): Add variable to unexpanded_var_list.
2938 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2939 Roger Sayle <roger@eyesopen.com>
2941 PR rtl-optimization/26244
2942 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2943 inner_const are negative or greater than or equal to the bitsize of
2944 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2945 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2946 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2947 CONST0_RTX (mode) when the new shift count is greater than or equal to
2948 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2951 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2953 * tree-cfg.c: Fix a comment typo.
2955 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2958 * varasm.c (output_constant): Give the front end another chance to
2959 expand constants, after stripping NOPs.
2961 2006-08-03 Jan Hubicka <jh@suse.cz>
2963 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2966 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2968 PR tree-optimization/27770
2969 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2970 declaration removed (moved to tree-flow.h).
2971 (vect_can_force_dr_alignment_p): Likewise.
2972 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2973 (moved from tree-vectorizer.h).
2974 (vect_can_force_dr_alignment_p): Likewise.
2975 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2976 from outside the vectorizer - in particular from cgraph stage.
2977 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2978 the alignment of global arrays when -fsection-anchors is enabled.
2979 * cgraphunit.c (cgraph_increase_alignment): New function.
2980 (cgraph_optimize): Call cgraph_increase_alignment.
2982 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2985 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2986 not reload a SPE symbol_ref into a lo_sum address.
2988 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2991 * dwarf2out.c (prune_unused_types_prune): Move call to
2992 prune_unused_types_update_strings to cover the parent DIE also.
2994 2006-08-02 Jan Hubicka <jh@suse.cz>
2996 PR gcov/profile/28480
2997 * tree-cfg.c (change_bb_for_stmt): New function.
2998 (tree_merge_blocks, tree_split_blocks): Use it.
3000 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3006 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3007 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3008 (cgraph_optimize): Likewise.
3010 2006-08-01 Stuart Hastings <stuart@apple.com>
3012 * rtl.h (UINTVAL) New.
3013 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3014 * testsuite/gcc.dg/20060801-1.c: New.
3016 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3019 * c-typeck.c (build_external_type): Mark used enum types.
3020 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3022 (gen_subprogram_die): Whitespace fix.
3024 2006-08-01 Jan Hubicka <jh@suse.cz>
3026 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3027 bitmap when not needed.
3028 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3031 2006-08-01 Dirk Mueller <dmueller@suse.de>
3033 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3035 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3037 * Makefile.in: Revert part of previous patch:
3038 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3041 2006-07-30 Eric Christopher <echristo@apple.com>
3044 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3045 (PowerPC Variable Attributes): New section.
3047 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3049 PR target/28126 (partial fix)
3050 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3052 2006-07-28 Jan Hubicka <jh@suse.cz>
3054 PR rtl-optimization/28071
3055 * cfgrtl.c (rtl_delete_block): Free regsets.
3056 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3058 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3060 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3061 and variables used in dependencies.
3063 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3065 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3066 %fs for -mcmodel=kernel.
3067 (stack_tls_protect_test_di): Likewise.
3069 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3071 * Makefile.in: Use mkinstalldirs.
3073 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3076 * opts-common.c (prune_options): Skip joined switches.
3078 2006-07-27 Jan Hubicka <jh@suse.cz>
3080 PR rtl-optimization/28071
3081 * cselib.c (cselib_process_insn): Don't remove useless values too
3082 often for very large hashtables.
3084 2006-07-27 Jan Hubicka <jh@suse.cz>
3086 PR rtl-optimization/28071
3087 * global.c (greg_obstack): New obstack.
3088 (allocate_bb_info): Use it.
3089 (free_bb_info): Likewise.
3090 (modify_reg_pav): Likewise.
3092 2006-07-27 Roger Sayle <roger@eyesopen.com>
3094 * builtins.c (fold_fixed_mathfn): When long and long long are the
3095 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3096 functions to their lceil*, lfloor*, lround* and lrint* forms.
3098 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3101 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3103 (rev_branch_insn): Likewise.
3105 2006-07-27 Jan Hubicka <jh@suse.cz>
3107 PR rtl-optimization/28071
3108 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3109 (reg_set_in_bb, max_reg_computed): New static variables.
3110 (regmove_optimize): Free the new array.
3111 (fixup_match_1): Update call of reg_is_remote_constant_p.
3113 2006-07-26 Jan Hubicka <jh@suse.cz>
3115 PR tree-optimization/27882
3116 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3118 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3120 (cgraph_analyze_compilation_unit): Likewise.
3121 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3122 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3123 (cgraph_early_inlinine): Make order garbage collected.
3124 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3126 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3128 * dbxout.c (output_types_sort): Add a comment.
3129 (output_used_types): Free the VEC.
3131 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3133 * function.c (reorder_fix_fragments): Delete.
3134 (reorder_blocks): Don't call it.
3135 (reorder_blocks_1): Put all subblocks under the origin block.
3137 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3139 PR rtl-optimization/27907
3140 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3143 2006-07-25 Roger Sayle <roger@eyesopen.com>
3146 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3147 bar(x) check that bar's result type can represent all the values of T.
3149 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3151 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3153 2006-07-25 Nick Clifton <nickc@redhat.com>
3155 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3156 size_lookup[] array.
3157 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3158 (ggc_pch_count_object): Likewise.
3159 (ggc_pch_alloc_object): Likewise.
3160 (ggc_pch_write_object): Likewise.
3161 (init_ggc): Do not attempt to initialize entries in the
3162 size_lookup[] array for objects whose size is greater than than
3163 the length of the array.
3165 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3167 * dbxout.c (output_used_types_helper): Push queued types
3169 (output_types_sort): New.
3170 (output_used_types): Collect used types on a VEC and sort them
3173 2006-07-24 Richard Guenther <rguenther@suse.de>
3176 * cgraph.c (cgraph_remove_node): Do not check if dumps
3178 * cgraphunit.c (cgraph_optimize): Likewise.
3180 2006-07-24 Jan Hubicka <jh@suse.cz>
3182 PR rtl-optimization/28071
3183 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3184 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3185 splitting before first stmt.
3187 2006-07-24 Jan Hubicka <jh@suse.cz>
3189 PR rtl-optimization/28071
3190 * ipa-inline.c (update_caller_keys): Remove edges that
3191 are no longer inline candidates.
3193 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3196 * dbxout.c (output_used_types_helper, output_used_types): New.
3197 (dbxout_symbol): Call output_used_types.
3199 2006-07-23 Jan Hubicka <jh@suse.cz>
3203 * cgraph.c (cgraph_varpool_nodes): Export.
3204 (decide_is_variable_needed): Ignored "used" attribute in
3205 unit-at-a-time mode.
3206 * cgraph.h (cgraph_varpool_nodes): Declare.
3207 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3208 unit-at-a-time mode.
3210 2006-07-23 Roger Sayle <roger@eyesopen.com>
3213 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3214 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3215 the __gthrw form of thr_keycreate.
3216 (__gthread_key_delete): Silence the unused argument warning.
3218 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3221 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3222 Cache the last found '\0' marker to avoid quadratic behavior.
3224 2006-07-23 Jan Hubicka <jh@suse.cz>
3226 * i386.md (subsi_3_zext): Fix output template.
3228 2006-07-21 Mike Stump <mrs@apple.com>
3230 * doc/invoke.texi (C++ Dialect Options): Note that
3231 -fvisibility-inlines-hidden doesn't affect explicitly
3232 instantiationed inline methods.
3234 2006-07-20 Roger Sayle <roger@eyesopen.com>
3236 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3237 if the target assembler is GNU binutils' gas.
3238 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3239 whether to pass GNU gas or native as command line options.
3241 2006-07-20 Jason Merrill <jason@redhat.com>
3243 * tree.c (remove_attribute): New fn.
3244 * tree.h: Declare it.
3246 2006-07-20 Paul Brook <paul@codesourcery.com>
3249 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3250 they are invalidated by this instruction.
3252 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3255 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3257 2006-07-20 Eric Christopher <echristo@apple.com>
3260 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3262 2006-07-19 Eric Christopher <echristo@apple.com>
3264 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3265 Rewrite dependencies for libgcc_s.1.dylib.
3267 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3269 * except.c (duplicate_eh_regions_1): Clear next_peer.
3271 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3273 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3274 -mlongcall does not guarantee all calls will be long.
3275 * doc/extend.texi (long_call/short_call): Document that longcall
3276 does not guarantee a long call will be used.
3277 (longcall/shortcall): Likewise.
3279 2006-07-18 Roger Sayle <roger@eyesopen.com>
3282 * expmed.c (expand_shift): Additionally check that the shift_cost
3283 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3284 before implementing a LSHIFT_EXPR as a sequence of additions.
3285 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3286 middle-end that DImode shifts need to be synthesized by expand.
3288 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3291 * tree-ssa-operands.c (access_can_touch_variable): Update
3293 Return true if ALIAS is .GLOBAL_VAR.
3295 2006-07-18 David Daney <ddaney@avtrex.com>
3297 * gcc.c (display_help): Fix typo in help text.
3299 2006-07-18 Olivier Hainque <hainque@adacore.com>
3301 * tree.h (categorize_ctor_elements): Adjust prototype and add
3302 descriptive comment, both in accordance with the interface change
3304 * varasm.c (constructor_static_from_elts_p): New function.
3305 Whether a constructor node is a valid static constant initializer
3306 if all its elements are.
3307 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3308 * output.h: Declare it.
3309 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3310 is a valid constant initializer instead of computing the number of
3311 non-constant elements. Use constructor_static_from_elts_p for this
3312 purpose. Replace the head comment with an indication that this is a
3313 helper for categorize_ctor_elements.
3314 (categorize_ctor_elements): Same interface change as for the _1
3315 helper. Former head comment from this helper moved here, adjusted to
3316 account for the interface changes.
3317 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3318 (all_zeros_p): Likewise.
3319 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3320 static versions of the constructor from the categorize_ctor_elements
3321 return value instead of the formerly computed number of non-constant
3324 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3326 * configure: Regenerate.
3327 * Makefile.in (build_libsubdir): New configure substitution
3328 (build_libobjdir): New variable.
3329 (BUILD_LIBIBERTY): Use it.
3331 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3334 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3336 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3339 * c-common.c (handle_weakref_attribute): Ignore attribute in
3340 the same conditions the alias attribute is ignored.
3342 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3344 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3345 (dbxout_begin_prologue): Increment scope_labelno.
3347 2006-07-17 Richard Henderson <rth@redhat.com>
3350 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3353 2006-07-17 Roger Sayle <roger@eyesopen.com>
3354 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3356 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3357 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3358 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3359 functions such as sbrk, write, etc.. Add function prototypes.
3360 Convert function declarations from K&R to ISO C. Cast pointers
3361 to "long" and "unsigned long" instead of "int" and "unsigned int".
3362 Convert tokens following #endif into comments.
3364 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3366 * invoke.texi: Remove mention of f77; Reformat table for
3367 inline parameter options correctly; mention that -malign-double
3368 is default on x86-64 targets.
3370 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3372 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3373 (convert_affine_scev, chrec_convert_aggressive): Use
3374 avoid_arithmetics_in_type_p. Do not check for the subtypes
3377 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3380 * optabs.c (expand_doubleword_shift): Wrap the call to
3381 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3383 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3386 * optabs.c (expand_binop): Pass next_methods rather than methods
3387 to expand_doubleword_shift.
3389 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3392 * tree.h (dump_addr): Declare.
3393 * print-tree.c (dump_addr): New function.
3394 (print_node_brief, print_node): Use it.
3395 * print-rtl.c (print_rtx): Likewise.
3396 * common.opt (-fdump-noaddr): New option.
3397 * doc/invoke.texi (-fdump-noaddr): Document.
3398 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3399 (ve_info_hash): Likewise.
3401 2006-07-13 Andrew Haley <aph@redhat.com>
3403 PR tree-optimization/19505
3404 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3405 edge leaving this block, make sure that the destination of this
3406 block has only one predecessor.
3408 2006-07-17 Richard Guenther <rguenther@suse.de>
3410 PR tree-optimization/28238
3411 * tree-inline.c (copy_bb): Check if we produced valid
3412 gimple copying and substituting a stmt. If not, gimplify
3415 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3417 * optabs.c (maybe_encapsulate_block): New function extracted from...
3418 (emit_libcall_block): ...here. Invoke it on the block of insns to
3419 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3420 (emit_no_conflict_block): Likewise.
3422 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3424 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3426 2006-07-15 Roger Sayle <roger@eyesopen.com>
3428 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3429 a new NOP_EXPR case of the switch statement.
3431 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3434 * stor-layout.c (place_field): Take the bit field with
3435 an excessive size into account in the ms-bitfiled case.
3438 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3439 the previous bit field.
3441 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3444 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3446 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3448 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3449 signal frames correctly even when the signal was installed with
3452 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3454 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3455 (dbxout_function_end): Use local label LFBB. Remove hook
3457 (dbxout_source_line): Use local label LFBB.
3458 (dbxout_block): Likewise.
3459 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3460 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3461 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3462 and DBX_OUTPUT_NFUN.
3464 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3466 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3468 2006-07-13 Jan Hubicka <jh@suse.cz>
3470 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3472 * output.h (align_variable): Declare.
3473 * varasm.c (align_variable): Export.
3474 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3475 when basic block changed.
3477 2006-07-13 Nick Clifton <nickc@redhat.com>
3479 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3480 walking the LOG_LINKS chain.
3482 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3484 * doc/invoke.texi (C++ Dialect Options): Explain difference
3485 between -fvisibility-inlines-hidden and setting hidden
3486 visibility explicitly.
3488 2006-07-12 Eric Christopher <echristo@apple.com>
3490 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3491 (stmp-lipo): Depend on libgcc.a.
3493 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3495 * tree.c: Fix a comment typo.
3497 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3499 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3501 (umulhisi3_r): Likewise.
3503 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3506 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3507 x < 19, vs wchar_t support.
3509 2006-07-12 Nick Clifton <nickc@redhat.com>
3511 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3512 instead of -isa=sh4.
3514 2006-07-12 Mike Stump <mrs@apple.com>
3516 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3518 2006-07-10 Eric Christopher <echristo@apple.com>
3520 * config/t-slibgcc-darwin: Rewrite.
3522 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3525 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3528 2006-07-08 Matthias Klose <doko@debian.org>
3530 * doc/sourcebuild.texi: Fix typo.
3532 2006-07-07 Mike Stump <mrs@apple.com>
3534 * toplev.c (process_options): Don't give -ffunction-sections may
3535 affect debugging warning for Mach-O.
3537 2006-07-07 James E Wilson <wilson@specifix.com>
3539 * config/mips/mips.md (cpu): Add sb1a.
3540 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3541 addition to sb1. Adjust comments to clarify SB-1A differences from
3543 (ir_sb1a_load): New. Modify bypasses to use it.
3544 (ir_sb1a_simple_alu): Likewise.
3545 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3546 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3547 (mips_issue_rate): Add PROCESSOR_SB1A.
3548 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3549 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3550 (TARGET_SB1): Add PROCESSOR_SB1A check.
3551 (TUNE_SB1): Likewise.
3553 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3554 * config/mips/mips.c (mips_store_data_bypass_p): New.
3555 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3556 store_data_bypass_p.
3558 2006-07-08 Paul Brook <paul@codesourcery.com>
3561 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3563 2006-07-07 Richard Guenther <rguenther@suse.de>
3566 * tree.h (build_one_cst): Declare.
3567 * tree.c (build_one_cst): New function.
3568 * tree-ssa-math-opts.c (get_constant_one): Remove.
3569 (insert_reciprocals): Use build_one_cst.
3570 * fold-const.c (fold_plusminus_mult): Likewise.
3572 2006-07-07 Roger Sayle <roger@eyesopen.com>
3574 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3575 * cfgloopanal.c (dump_graph): Likewise.
3576 * dojump.c (discard_pending_stack_adjust): Likewise.
3577 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3579 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3580 * function.c (finalize_block_changes): Likewise.
3581 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3582 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3583 * rtl.c (dump_rtx_statistics): Likewise.
3584 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3586 * varray.c (dump_varray_statistics): Likewise.
3587 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3588 decode_decimal64, encode_decimal128, decode_decimal128,
3589 decimal_real_to_decimal): Likewise.
3591 2006-07-07 Richard Guenther <rguenther@suse.de>
3593 PR tree-optimization/28187
3594 * tree-vrp.c (vrp_operand_equal_p): New function.
3595 (vrp_bitmap_equal_p): Likewise.
3596 (update_value_range): Use them to compare old and new
3599 2006-07-06 Roger Sayle <roger@eyesopen.com>
3601 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3602 a default case to switch statement to silence compiler warnings.
3604 2006-07-06 Roger Sayle <roger@eyesopen.com>
3607 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3608 the configured assembler supports the x87's ffreep mnemonic.
3609 * configure: Regenerate.
3610 * config.in: Regenerate.
3612 * config/i386/i386.c (output_387_ffreep): New function.
3613 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3614 (output_387_reg_move): Likewise.
3616 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3618 Port to hosts whose 'sort' and 'tail' implementations
3619 treat operands with leading '+' as file names, as POSIX
3620 has required since 2001. However, make sure the code still
3621 works on pre-POSIX hosts.
3622 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3623 which says you should use "tail -c +N" rather than "tail +Nc".
3624 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3626 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3628 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3631 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3634 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3635 PRE_{INC,DEC} of TFmode.
3637 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3638 Alan Modra <amodra@bigpond.net.au>
3641 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3644 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3647 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3648 Remove duplicate gtu.
3650 2006-07-05 Jason Merrill <jason@redhat.com>
3654 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3655 * c-common.c (handle_packed_attribute): So don't copy it here.
3656 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3658 2006-07-05 Mike Stump <mrs@apple.com>
3660 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3662 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3665 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3667 2006-07-05 Richard Guenther <rguenther@suse.de>
3670 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3671 TARGET_SSE2 targets if using SSE math.
3672 (*absdf2_1): Likewise.
3674 2006-07-05 Richard Guenther <rguenther@suse.de>
3676 PR tree-optimization/28162
3677 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3678 make sure to convert the operands to the correct type.
3680 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3682 PR tree-optimization/28218
3684 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3685 to calculate and free the dominator information.
3687 2006-07-04 Peter O'Gorman <peter@pogma.com>
3689 * mklibgcc.in: chmod 644 before ranlib during install.
3691 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3692 J"orn Rennecke <joern.rennecke@st.com>
3694 * configure.ac (.eh_frame data check): Use diff -b.
3696 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3699 * Makefile.in (BUILD_RTL): Add build/vec.o.
3700 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3701 (build/genextract): Delete.
3702 (build/genautomata): Likewise.
3704 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3707 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3708 128-bit IBM long doubles for ABI_V4.
3710 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3712 * tree.c (range_in_array_bounds_p): New predicate.
3713 * tree.h (range_in_array_bounds_p): Declare it.
3714 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3715 return a less conservative answer.
3716 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3717 and flag 'is_group'.
3718 (IS_ELEMENT_FOR_GROUP): New macro.
3719 (FOR_EACH_ACTUAL_CHILD): Likewise.
3720 (next_child_for_group): New helper function.
3721 (can_completely_scalarize_p): Take into account groups.
3722 (sra_hash_tree): Handle RANGE_EXPR.
3723 (sra_elt_eq): Likewise.
3724 (lookup_element): Be prepared for handling groups.
3725 (is_valid_const_index): Delete.
3726 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3727 instead of is_valid_const_index.
3728 <ARRAY_RANGE_REF>: New case.
3729 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3730 is_valid_const_index.
3731 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3732 (scan_dump): Dump info for groups too.
3733 (decide_instantiation_1): Likewise.
3734 (decide_block_copy): Assert that the element is not a group.
3735 Propagate decision to groups.
3736 (generate_one_element_ref): Handle RANGE_EXPR.
3737 (mark_no_warning): Iterate over actual childs.
3738 (generate_copy_inout): Likewise.
3739 (generate_element_copy): Likewise.
3740 (generate_element_zero): Likewise.
3741 (generate_element_init_1): Likewise.
3742 (dump_sra_elt_name): Handle RANGE_EXPR.
3744 2006-07-03 Roger Sayle <roger@eyesopen.com>
3746 PR tree-optimization/26251
3747 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3748 (thread_block): When optimizing for size refuse to thread jumps
3749 that would require duplication of blocks other than redirection
3752 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3754 * configure.ac: Fix thinko in previous check-in.
3755 * configure: Regenerate.
3757 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3760 * configure.ac (for lang...): Simplify nesting of conditionals.
3761 Test subdir_requires for non-enabled languages. Move processing
3762 of lang_opt_files and lang_tree_fiels below that test.
3763 * configure: Regenerate.
3764 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3766 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3768 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3770 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3772 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3775 2006-06-29 Jason Merrill <jason@redhat.com>
3782 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3783 * c-common.c (c_determine_visibility): Handle it here.
3784 * c-decl.c (finish_decl): Call c_determine_visibility for
3786 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3788 * varasm.c (default_assemble_visibility): Likewise.
3789 * c-common.c (handle_visibility_attribute): Complain about trying
3790 to give visibility to an already defined class, or trying to change
3791 declared visibility. Always attach the attribute.
3796 * attribs.c (decl_attributes): Ignore type-in-place attributes
3797 once the type has been defined.
3799 2006-06-29 Roger Sayle <roger@eyesopen.com>
3802 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3803 to indicate the cpplib has issued an error message for us.
3805 2006-06-29 Asher Langton <langton2@llnl.gov>
3808 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3809 insert a label at the end of an function under Mach-O.
3811 2006-06-29 Eric Christopher <echristo@apple.com>
3812 Evan Cheng <evan.cheng@apple.com>
3814 * predicates.md (vector_all_ones_operand): New.
3815 (nonimmediate_or_sse_const_operand): Ditto.
3816 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3817 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3818 (standard_sse_mode_p): Ditto.
3819 (standard_sse_constant_p): Add case for -1 vector.
3820 (ix86_expand_vector_move): Try to use.
3821 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3822 Call standard_sse_constant_opcode.
3823 (*movv4sf_internal): Ditto.
3824 (*movv2df_internal): Ditto.
3826 2006-06-29 Roger Sayle <roger@eyesopen.com>
3828 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3829 of XEXP to extract the operands of a MATCH_CODE rtx.
3831 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3833 * tree.c (tree_size): Do not waste tail padding in
3834 struct tree_string and make the size be the same as
3835 build_string will generate.
3837 2006-06-28 Jason Merrill <jason@redhat.com>
3840 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3841 may_aliases already in the tag's annotations to the bitmap.
3843 2006-06-28 Roger Sayle <roger@eyesopen.com>
3845 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3847 2006-06-28 Roger Sayle <roger@eyesopen.com>
3849 * genpreds.c (generate_switch_p): New function.
3850 (add_mode_tests): Push the new mode test down inside an AND expr
3851 if this allows the switch-suitable MATCH_CODE to be near the root.
3852 (write_match_code_switch): New function to write a MATCH_CODE as
3854 (write_predicate_stmts): New function to write a predicate RTX
3855 expression as a sequence of statements.
3856 (write_one_predicate_function): Use write_predicate_stmts.
3857 (write_tm_constrs_h): Likewise.
3859 2006-06-26 Fred Fish <fnf@specifix.com>
3861 * config/mips/t-sb1: New file.
3862 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3865 2006-06-26 DJ Delorie <dj@redhat.com>
3867 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3869 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3870 Jayant Sonar <jayants@kpitcummins.com>
3871 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3873 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3874 (subsi3, subsi3_1, subsi3_2): New.
3875 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3876 * config/m32c/mov.md (SI mov peephole): New.
3877 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3878 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3880 2006-06-26 Olivier Hainque <hainque@adacore.com>
3882 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3883 a CALL_EXPR target function declaration.
3885 2006-06-26 Richard Guenther <rguenther@suse.de>
3887 * tree.c (build_string): Do not waste tail padding in
3890 2006-06-26 Richard Guenther <rguenther@suse.de>
3892 * ggc-page.c (init_ggc): Add missing element to size_lookup
3896 2006-06-23 Richard Guenther <rguenther@suse.de>
3898 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3899 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3900 alignment requests instead. Add verification code.
3901 Add struct tree_function_decl and struct tree_binfo size to
3902 extra_order_size_table. Add missing element to size_lookup
3905 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3908 * fold-const.c (const_binop): Be prepared for self returning zero.
3909 Simplify code handling complex values.
3911 2006-06-24 Olivier Hainque <hainque@adacore.com>
3913 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3914 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3917 2006-06-24 Olivier Hainque <hainque@adacore.com>
3919 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3920 ARRAY_REF, so have the callback called for the low bound expression.
3922 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3924 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3925 * c-typeck.c (c_common_type): Disallow operations on decimal float
3926 types and other float types.
3927 * convert.c (convert_to_real): Don't ignore conversions involving
3928 decimal float types.
3930 2006-06-23 Olivier Hainque <hainque@adacore.com>
3932 * tree.c (max_int_size_in_bytes): New function, inspired from
3933 code in function.c:assign_temp.
3934 * tree.h (max_int_size_in_bytes): Declare.
3935 * function.c (assign_temp): Use it.
3936 * gimplify.c (create_tmp_var): Relax the assertions on the type
3937 properties, not mandating constant size any more.
3938 (force_constant_size): New static function.
3939 (gimple_add_tmp_var): Use it, forcing variable size to a
3940 constant upper bound if it is not constant on entry.
3942 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3945 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3946 for initialization and setting of one_only flag to ...
3947 (i386_pe_encode_section_info): ...here.
3948 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3949 Recheck that the symbol has not been defined.
3951 2006-06-23 Richard Guenther <rguenther@suse.de>
3953 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3954 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3955 alignment requests instead. Add verification code.
3956 Add struct tree_function_decl and struct tree_binfo size to
3957 extra_order_size_table. Add missing element to size_lookup
3960 2006-06-22 Roger Sayle <roger@eyesopen.com>
3961 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3964 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3965 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3967 2006-06-23 Ben Elliston <bje@au.ibm.com>
3969 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3970 negate dn -- manipulate it directly.
3972 2006-06-22 Roger Sayle <roger@eyesopen.com>
3973 Steven Bosscher <stevenb.gcc@gmail.com>
3976 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3977 generated by gen_move_insn to add REG_LABEL notes if necessary.
3979 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3981 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3982 (leaf_entry): Remove use of MIN_ESA.
3984 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3986 PR rtl-optimization/28121
3987 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3990 2006-06-21 DJ Delorie <dj@redhat.com>
3992 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3994 (mulhisi3_r): Likewise.
3996 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3999 * coverage.c (coverage_counter_alloc): Leave the index type
4001 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4004 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4006 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4007 section from the "Options for Code Generation Conventions".
4009 2006-06-21 Richard Henderson <rth@redhat.com>
4013 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4015 (global_symbolic_operand): Allow weak symbols, even if local_p.
4017 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4019 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4020 (find_interesting_uses_address): Punt if above function returns true.
4022 2006-06-21 Richard Guenther <rguenther@suse.de>
4024 * configure: Regenerated.
4026 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4028 * config/mips/mips.c (function_arg): Where one part of a
4029 complex argument is in registers and the other part in the stack,
4030 return a REG not a PARALLEL.
4032 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4034 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4035 when cross-compiling. Do not substitute libstdcxx_incdir.
4036 * configure: Regenerated.
4038 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4040 * varasm.c (mergeable_string_section): Check for embedded NULs and
4041 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4042 rather than TREE_STRING_LENGTH bytes.
4044 2006-06-21 Richard Guenther <rguenther@suse.de>
4046 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4047 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4050 2006-06-21 Richrad Guenther <rguenther@suse.de>
4052 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4053 Limit iteration over the dominators.
4055 2006-06-20 Roger Sayle <roger@eyesopen.com>
4057 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4058 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4060 2006-06-20 Richard Guenther <rguenther@suse.de>
4061 Michael Matz <matz@suse.de>
4063 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4065 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4066 * et-forest.h (et_free_pools): Prototype new function.
4067 * et-forest.c (et_free_tree_force): Free parent occurrence.
4068 (et_free_pools): New function.
4069 * dominance.c (free_dominance_info): Free et-forest alloc
4072 2006-06-20 Roger Sayle <roger@eyesopen.com>
4074 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4075 integer modes, attempt to directly construct an integer constant.
4077 * fold-const.c (native_encode_vector): Determine the size of each
4078 element from the vector type instead of the first vector element.
4080 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4081 if all of its elements/components are constant.
4082 (build_constructor_from_list): Likewise.
4084 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4086 PR tree-optimization/27331
4087 * tree-data-ref.c (free_data_ref): New function.
4088 (create_data_ref): Fail if the data reference has unknown access
4090 (free_data_refs): Use free_data_ref.
4092 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4095 * tree-inline.c (setup_one_parameter): Strip useless
4096 type conversion before adding it to the IR.
4097 (declare_return_variable): Likewise.
4099 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4102 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4104 2006-06-19 Mike Stump <mrs@apple.com>
4106 * tree.c (variably_modified_type_p): VM arguments don't make the
4109 2006-06-19 Richard Guenther <rguenther@suse.de>
4111 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4112 type conversions after folding.
4114 2006-06-19 Richard Guenther <rguenther@suse.de>
4116 * ggc-page.c (extra_order_size_tab): Add entries with
4117 size of struct function and basic_block.
4118 (size_lookup): Extend to cover sizes up to 511.
4119 (ggc_alloc_stat): Adjust user.
4120 (ggc_pch_count_object): Likewise.
4121 (ggc_pch_alloc_object): Likewise.
4122 (ggc_pch_write_object): Likewise.
4124 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4126 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4127 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4130 2006-06-19 Denis Chertykov <denisc@overta.ru>
4132 * config/avr/libgcc.S : Correct my wrong previous commit.
4134 2006-06-19 Roger Sayle <roger@eyesopen.com>
4137 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4138 have stripped a SUBREG from the shift count, so we may need to
4139 convert_to_mode back to the type's mode before calling make_tree.
4140 Use new_amount instead of amount to avoid expanding a tree twice.
4142 2006-06-19 Richard Guenther <rguenther@suse.de>
4145 * fold-const.c (operand_equal_p): Check if the argument types
4146 have the same precision before stripping NOPs.
4148 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4150 Fix PR tree-optimization/27341
4151 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4153 * tree-complex.c (pass_lower_complex): Update SMT usage.
4155 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4157 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4158 Add a new alternative to the constraint strings. Add move of
4159 operand 1 to 3 to the splitter definition.
4160 ("doloop_si_long"): Second contraint alternative removed.
4162 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4164 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4165 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4167 (AVR_HAVE_MOVW) Define.
4168 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4169 (ASM_SPEC): Add avr25.
4170 (LINK_SPEC): Add avr25.
4171 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4172 (base_arch_s): Add new member 'have_movw_lpmx'.
4173 (avr_arch_types): Init 'have_movw_lpmx'.
4174 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4175 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4176 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4177 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4178 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4180 (avr_file_start): Do not output '.arh' derective.
4181 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4182 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4183 * config/avr/avr.md (mcu_enhanced): Delete.
4184 (mcu_have_movw): Define.
4185 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4186 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4187 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4188 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4189 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4190 attiny861 and at86rf401 devices.
4192 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4194 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4197 2006-06-17 Karl Berry <karl@gnu.org>
4199 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4200 doc/gccint.texi, doc/install.texi (@dircategory): Use
4201 "Software development" instead of "Programming", following
4202 the Free Software Directory.
4204 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4206 * config/i386/i386.c (legitimate_tls_address)
4207 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4208 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4209 (*tls_dynamic_gnu2_combine_64): Likewise.
4211 2006-06-16 Richard Guenther <rguenther@suse.de>
4214 * fold-const.c (negate_expr_p): Do not introduce undefined
4215 overflow in negating INTEGER_CSTs.
4216 (fold_negate_expr): Rename from negate_expr. Revert last
4217 change for folding BIT_NOT_EXPR. Change semantics to
4218 return NULL_TREE for non-simplified negations. Do not
4219 strip type conversions and unify type handling.
4220 (negate_expr): New function, wrap around fold_negate_expr
4221 but ensure building a tree always. Strip type conversions
4222 here, fold to result type.
4223 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4225 2006-06-16 Roger Sayle <roger@eyesopen.com>
4228 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4229 that (would) return their results in stack registers.
4231 2006-06-16 Michael Matz <matz@suse.de>
4232 Richard Guenther <rguenther@suse.de>
4234 * fold-const.c (fold_truthop): Only return new tree node if
4235 we canonicalized something.
4237 2006-06-16 Richard Guenther <rguenther@suse.de>
4239 * function.h (enum function_frequency): Move declaration
4240 out of struct function.
4241 (struct function): Move bool fields and the enum to the bitfield
4242 section. Reorder elements to avoid padding. Remove unused
4243 fields left over from the RTL inliner removal.
4244 * function.c (free_after_compilation): Do not zero removed fields.
4245 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4246 (ipa-type-escape.o): Likewise.
4248 2006-06-16 Richard Guenther <rguenther@suse.de>
4250 * cgraph.h (struct cgraph_local_info): Turn bool elements
4252 (struct cgraph_node): Likewise.
4253 (struct cgraph_varpool_node): Likewise.
4255 2006-06-15 Richard Guenther <rguenther@suse.de>
4257 * fold-const.c (fold_truth_not_expr): Rename from
4258 invert_truthvalue. Give it fold_* semantics to avoid
4260 (invert_truthvalue): New function. Wrapper around
4261 fold_truth_not_expr.
4262 (optimize_minmax_comparison): Avoid creating garbage.
4263 (fold_unary): Use fold_truth_not_expr for folding
4265 (fold_ternary): Replace uses of invert_truthvalue with
4266 fold_truth_not_expr where applicable.
4267 * tree.h (fold_truth_not_expr): Prototype.
4269 2006-06-16 Richard Guenther <rguenther@suse.de>
4271 PR tree-optimization/27781
4272 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4273 * ipa-pure-const.c (target.h): Include.
4274 (analyze_function): Do not analyze functions that do not
4277 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4280 * tree-dfa.c (referenced_vars_dup_list): Remove.
4281 (find_referenced_vars): Remove assert.
4282 (referenced_var_check_and_insert): Replace dup list with assert.
4283 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4284 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4286 2006-06-15 Richard Guenther <rguenther@suse.de>
4288 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4289 extra unused identifiers if not dumping.
4290 (create_variable_info_for): Likewise.
4292 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4294 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4295 (derive_constant_upper_bound): Derive more precise upper bound in
4296 common cases. Return type changed to double_int.
4297 (record_estimate): Reflect the changed return type of
4298 derive_constant_upper_bound.
4299 * double-int.c (double_int_zext, double_int_sext): Fix.
4301 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4303 * configure.ac (CFLAGS): Get them from the toplevel or from the
4304 configure invocation.
4305 * configure: Regenerate.
4306 * Makefile.in (CFLAGS): Substitute value provided by configure.
4308 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4311 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4312 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4313 rather than calling add_stmt on it.
4314 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4316 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4319 * reload1.c (reload): Remove registers returned by update_eliminables
4320 from used_spill_regs.
4322 2006-06-13 DJ Delorie <dj@redhat.com>
4324 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4326 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4328 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4329 html__strip_dir, html__mkdir_p. Enhance install-html target.
4330 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4331 * configure: Regenerate.
4333 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4335 * fold-const.c (fold_cond_expr_with_comparison): Check for
4336 Objective-C++ as language in deciding COND_EXPR transformation.
4338 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4341 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4342 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4343 * config/sh/lib1funcs.h (SL, SL1): Define.
4344 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4345 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4346 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4347 (OBJS_Os_4_200): New variable.
4348 ($(T)libgcc-Os-4-200.a): Use it.
4349 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4350 when dividing 1 and/or by 0.
4352 2006-06-13 Roger Sayle <roger@eyesopen.com>
4354 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4355 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4356 * configure: Regenerate.
4358 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4360 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4361 for real instruction.
4363 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4366 * haifa-sched.c (check_cfg): Handle special case.
4368 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4371 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4372 Add debug_info parameter. Chain the vars to the BLOCK instead
4373 of the BIND_EXPR if debug info are requested for them.
4374 (pop_gimplify_context): Adjust for above change.
4375 (gimple_add_tmp_var): Likewise.
4376 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4378 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4379 (convert_local_reference): Likewise.
4380 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4381 (finalize_nesting_tree_1): Request that debug info be emitted
4382 for debug_var_chain.
4384 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4386 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4387 for PR target/27863.
4389 2006-06-13 Richard Guenther <rguenther@suse.de>
4392 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4394 2006-06-13 Richard Guenther <rguenther@suse.de>
4396 PR tree-optimization/27830
4397 * tree-inline.c (copy_body_r): For copying the operand
4398 of an ADDR_EXPR make sure to fold &* afterwards.
4400 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4402 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4403 lvalues in the fb_none case with side-effects.
4405 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4407 * tree-flow.h: Remove the prototype for
4408 compute_phi_arg_on_exit.
4409 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4410 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4413 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4415 * builtins.c (expand_builtin_return_addr): Only use
4416 frame_pointer_rtx when count == 0 and we are expanding
4417 __builtin_return_address.
4419 2006-06-12 Fred Fish <fnf@specifix.com>
4421 * config/mips/mips.c (mips_file_start): Create special section
4422 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4424 2006-06-11 Eric Christopher <echristo@apple.com>
4427 * stor-layout.c (place_field): Remove check for
4428 remaining_in_alignment when aligning at the end of a run.
4430 2006-06-11 Eric Christopher <echristo@apple.com>
4433 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4436 2006-06-11 Roger Sayle <roger@eyesopen.com>
4439 Revert incorrect fix for PR target/27158
4440 2006-05-08 Roger Sayle <roger@eyesopen.com>
4441 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4442 of a reg_equiv_constant if the result is a legitimate constant.
4444 2006-06-11 Roger Sayle <roger@eyesopen.com>
4447 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4448 extract a CONST_VECTOR element and interpret it as an integer.
4449 (vspltis_constant): Use const_vector_elt_as_int instead of the
4450 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4451 * config/rs6000/predicates.md (easy_vector_const): Consider
4452 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4454 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4457 * stor-layout.c (update_alignment_for_field): Don't add extra
4458 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4461 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4463 * config/mips/t-rtems: Add EL/EB multilib variants.
4465 2006-06-09 Mike Stump <mrs@apple.com>
4467 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4469 2006-06-09 David Daney <ddaney@avtrex.com>
4471 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4473 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4475 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4477 2006-06-09 Richard Guenther <rguenther@suse.de>
4479 PR tree-optimization/26998
4480 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4481 of signed types, only TYPE_MIN_VALUE is special, but for both,
4482 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4483 in this case, as is -fwrapv.
4485 2006-06-08 Mike Stump <mrs@apple.com>
4488 * config/darwin.c (darwin_asm_output_anchor): Disable
4489 -fsection-anchors on darwin for now.
4490 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4491 * rs6000/rs6000.c (optimization_options): Likewise.
4493 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4496 * config/i386/i386.c (classify_argument): Skip fields with invalid
4499 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4501 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4502 (cse_insn): Likewise for the stack_pointer_rtx.
4504 2006-06-08 Roger Sayle <roger@eyesopen.com>
4506 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4507 conditions from floating point comparisons.
4509 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4512 * expmed.c (struct alg_hash_entry): Fix type of field T
4513 to match synth_mult argument.
4514 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4516 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4519 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4522 2006-06-08 Richard Guenther <rguenther@suse.de>
4525 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4526 only, if overflow is defined and not trapping.
4527 (negate_expr): Likewise.
4529 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4531 PR tree-optimization/27872
4532 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4533 flag on the new exit edge of the unrolled loop.
4535 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4537 PR rtl-optimization/26449
4538 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4540 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4543 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4544 referenced_variables with matching DECL_UID's.
4545 (find_referenced_vars): Make sure duplicate list is empty to start.
4546 (referenced_var_p): Remove.
4547 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4548 Check if var is in the list, and add if needed. Update the duplicate
4549 list if a different var is in the list with the same DECL_UID.
4550 (add_referenced_var): Call routine to check and insert.
4551 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4552 * tree-flow.h (referenced_vars_dup_list): External declaration.
4554 2006-06-07 Fred Fish <fnf@specifix.com>
4556 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4559 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4562 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4563 the imaginary and real parts of a clobbered register.
4564 Emit insn to set the imaginary part.
4566 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4568 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4569 in lieu of unwind-dw2-fde.c.
4571 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4573 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4575 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4578 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4579 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4580 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4581 V4SImode temporaries and operations instead.
4583 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4585 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4588 2006-06-06 Mike Stump <mrs@apple.com>
4590 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4591 installing during build.
4593 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4595 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4597 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4598 * config/ia64/ia64.c (params.h): New header.
4599 (ia64_optimization_options): New function to adjust parameters.
4600 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4601 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4602 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4604 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4606 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4608 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4611 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4613 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4614 Victor Kaplansky <victork@il.ibm.com>
4616 PR tree-optimization/26360
4617 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4620 2006-06-04 Roger Sayle <roger@eyesopen.com>
4621 Andrew Pinski <pinskia@physics.uc.edu>
4624 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4625 for LABEL_DECL before calling DECL_WEAK.
4628 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4629 LABEL_DECL and PARM_DECL.
4631 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4635 * c-decl.c (grokdeclarator): Disallow variably modified types at
4636 file scope. Avoid marking shared array type of constant size as
4639 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4642 * c-common.c (fold_offsetof_1): Handle static members.
4644 2006-06-04 Eric Christopher <echristo@apple.com>
4646 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4647 (debug_rli): Output value for remaining_in_alignment.
4648 (update_alignment_for_field): Unconditionalize
4649 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4650 extra alignment code.
4651 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4652 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4653 * tree.h (record_layout_info_s): Remove prev_packed.
4654 * doc/extend.texi (ms_struct): Add documentation of format.
4656 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4658 * tree.h: Declare folding_initializer.
4659 * builtins.c (fold_builtin_constant_p): Give definite answer
4660 if folding inside an initializer.
4661 * fold-const.c: Define folding_initializer.
4662 (START_FOLD_INIT): Save and then set folding_initializer.
4663 (END_FOLD_INIT): Restore folding_initializer.
4665 2006-06-04 Richard Guenther <rguenther@suse.de>
4667 PR tree-optimization/27039
4668 * fold-const.c (fold_comparison): Handle pointer comparison
4669 again for all comparison codes. Compare offsets in signed
4671 (fold_binary): Move code from here.
4673 2006-06-03 Roger Sayle <roger@eyesopen.com>
4676 * config/i386/i386.c (construct_container): Split static issued_error
4677 flag into issued_sse_arg_error, issued_sse_ret_error and
4678 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4679 requires the use of x87 registers and the user explicitly
4680 specified the -mno-80387 command line option.
4682 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4684 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4685 HAVE_DECL_SIGALTSTACK.
4687 (segv_handler): Use MC_FLD.
4688 * configure.ac: Check for a sigaltstack declaration.
4689 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4690 * configure: Regenerate.
4691 * config.in: Regenerate.
4693 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4696 * Makefile.in (stmp-fixinc): Fix typo.
4698 2006-06-02 Roger Sayle <roger@eyesopen.com>
4700 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4701 are type correct. Clean-up.
4702 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4703 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4705 2006-06-01 DJ Delorie <dj@redhat.com>
4707 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4708 shift, as we've disabled the "switch" insn that needs it.
4710 2006-06-01 Per Bothner <bothner@bothner.com>
4712 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4713 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4714 * c-ppoutput.c (cb_define): Don't increment line 0.
4716 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4718 * doc/invoke.texi: Add cpu_type power6.
4719 * config.gcc: Add cpu_type power6.
4720 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4721 to power5+ with Altivec.
4722 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4723 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4725 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4727 * config/avr/avr.h (SET_ASM_OP): Define.
4729 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4731 * config/bfin/bfin.c: Fix comment typos.
4733 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4736 * doc/install.texi: Document --enable-bootstrap and
4737 --disable-bootstrap.
4739 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4741 * doc/install.texi: Document that InfoZIP can replace jar.
4743 2006-05-31 Roger Sayle <roger@eyesopen.com>
4745 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4746 isn't available, directly generate the simpler x87 patterns without
4747 the (use (const_int 0)).
4748 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4749 implementation isn't available.
4750 (*negdf2_1): Likewise.
4751 (*negxf2_1): XF mode negation is always done using the x87.
4752 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4754 2006-05-31 Roger Sayle <roger@eyesopen.com>
4756 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4757 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4759 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4761 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4763 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4764 * config/bfin/bfin.c (basic-block.h): Include.
4765 (struct machine_function): New.
4766 (bfin_init_machine_status): New.
4767 (override_options): Initialize init_machine_status.
4768 (bfin_hardware_loop): New.
4769 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4770 (DEF_VEC_P (loop_info)): New.
4771 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4772 (struct loop_info): New.
4773 (loop_info): New typedef.
4774 (struct loop_work): New.
4775 (loop_work): New typedef.
4776 (DEF_VEC_O (loop_work)): New.
4777 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4778 (bfin_dump_loops): New.
4779 (bfin_bb_in_loop): New.
4780 (bfin_scan_loop): New.
4781 (bfin_optimize_loop): New.
4782 (bfin_reorg_loops): New.
4783 (bfin_reorg): Use bfin_reorg_loops.
4784 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4786 (I_REGNO_P): Simplify.
4787 (DP_REGNO_P, DPREG_P): New macros.
4788 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4789 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4790 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4791 Add LT_REGS, LC_REGS, LB_REGS.
4792 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4794 (REGNO_REG_CLASS): Deal with loop registers.
4795 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4797 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4798 New constants for loop registers.
4799 (UNSPEC_LSETUP_END): New.
4800 (seq_insns): New define_attr. Set it for appropriate insns.
4801 (movsi_insn): Add alternatives for move from/to
4802 loop count registers.
4803 (doloop_end): New define_expand.
4804 (loop_end): New define_insn.
4805 (define_split for bad doloop_end): New.
4806 (lsetup_with_autoinit): New define_insn.
4807 (lsetup_without_autoinit): New define_insn.
4808 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4809 * config/bfin/predicates.md (lc_register_operand): New.
4810 (lt_register_operand): New.
4811 (lb_register_operand): New.
4812 (nondp_register_operand): New.
4813 (nondp_reg_or_memory_operand): New.
4814 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4816 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4818 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4819 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4821 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4823 * Makefile.in (CATALOGS): Add po/ prefix.
4824 * configure: Regenerated.
4826 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4829 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4830 a shift operand before calling shift_op. Avoid redundant call of
4833 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4834 DJ Delorie <dj@redhat.com>
4836 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4837 we're inserting is a singlt-bit constant.
4839 2006-05-30 Roger Sayle <roger@eyesopen.com>
4841 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4842 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4844 2006-05-30 Roger Sayle <roger@eyesopen.com>
4846 PR tree-optimization/23452
4847 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4848 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4849 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4850 complex values and with -ffast-math for FP complex values.
4852 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4854 * c-common.h: Remove the prototype for yyparse.
4855 * rtl.h: Remove the prototype for init_loop.
4857 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4859 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4862 2006-05-30 Roger Sayle <roger@eyesopen.com>
4864 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4866 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4867 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4869 2006-05-30 Dirk Mueller <dmueller@suse.de>
4872 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4873 for CONSTANT_CLASS_P expresisons.
4875 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4878 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4880 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4882 PR tree-optimization/27779
4883 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4884 initial_condition instead of CHREC_LEFT.
4886 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4888 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4889 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4890 Make prototypes ISO C90.
4892 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4893 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4895 * see.c (see_analyze_one_def): Correct check.
4896 (see_get_extension_data): Check if extension is parallel.
4897 (see_get_extension_reg): Likewise.
4899 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4902 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4903 into register for (code == GTU).
4905 2006-05-29 Roger Sayle <roger@eyesopen.com>
4907 PR tree-optimization/24964
4908 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4909 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4910 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4911 abs(x)*abs(x) as x*x for scalar floating point modes.
4913 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4916 * lambda-code.c (perfect_nestify): Don't copy statements
4917 in the inner loop: move them to the inner loop header.
4919 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4922 * c-tree.texi: Document OpenMP directives and clauses.
4924 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4926 * varasm.c (globalize_decl): Fix indentation.
4928 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4931 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4932 pass_fre, pass_store_ccp, pass_copy_prop,
4933 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4934 pass_return_slot, pass_object_size, pass_lim,
4935 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4936 pass_loop_prefetch and pass_stdarg.
4938 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4940 * config/bfin/bfin.opt (mfdpic): New option.
4941 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4942 (EXTRA_MULTILIB_PARTS): Likewise.
4943 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4944 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4946 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4947 (CRT_CALL_STATIC_FUNCTION): New.
4948 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4950 (CRT_CALL_STATIC_FUNCTION): New.
4951 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4953 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4954 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4955 (initialize_trampoline): Changed to handle FD-PIC code generation.
4956 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4957 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4958 (override_options): Disallow -mid-shared-library -mfdpic combination.
4959 Can't do unaligned ops if FD-PIC.
4960 Turn off flag_pic if trying to generate non-id-shared-library
4961 non-fdpic code, since it's not supported.
4962 (bfin_assemble_integer): New function.
4963 (TARGET_ASM_INTEGER): Define.
4964 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4966 * config/bfin/crtn.s: Restore them.
4967 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4969 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4970 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4971 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4972 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4973 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4975 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4976 FDPIC_REGS and FDPIC_FPTR_REGS.
4977 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4978 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4979 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4980 (load_funcdescsi): New pattern.
4981 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4982 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4983 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4985 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4987 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4990 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4992 * tree-flow.h: Remove the prototype for add_type_alias.
4993 * tree-ssa-alias.c (add_type_alias): Remove.
4995 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4997 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4998 config/fr30/fr30.md, config/i386/i386-interix.h,
4999 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5000 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5001 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5002 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5003 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5004 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5005 Follow spelling conventions.
5006 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5007 Follow spelling conventions.
5009 2006-05-27 Richard Guenther <rguenther@suse.de>
5012 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5013 to produce a constant of value 1 of generic type.
5015 2006-05-27 Dirk Mueller <dmueller@suse.de>
5017 * cgraphunit.c (decide_is_function_needed): Fix wrong
5020 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5022 PR rtl-optimization/27661
5023 * reload.c (find_reloads): When reloading a VOIDmode constant
5024 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5025 use Pmode as mode of the reload register.
5027 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5029 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5030 is enabled at -O and above.
5032 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5035 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5038 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5041 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5042 for anonymous variables explicitly declared by front ends.
5044 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5046 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5047 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5048 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5049 ref-all pointers, run a finalization pass for them.
5050 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5051 (finalize_ref_all_pointers): New function.
5052 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5053 regular pointer type to a ref-all pointer type.
5054 (get_tmt_for): Return the special memory tag for ref-all pointers.
5056 2006-05-25 Richard Guenther <rguenther@suse.de>
5059 * fold-const.c (fold_binary): Do not look at the stripped
5060 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5062 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5064 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5065 for LT and GT if the computed range is effectively empty.
5067 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5070 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5071 mips_quad_format formats instead of ieee_single_format,
5072 ieee_double_format and ieee_quad_format formats, respectively.
5074 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5076 PR tree-optimization/27639
5077 PR tree-optimization/26719
5078 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5079 call to scev_probably_wraps_p.
5080 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5081 used_in_pointer_arithmetic_p, convert_step): Removed.
5082 (nowrap_type_p): New function.
5083 (scev_probably_wraps_p): Rewritten.
5084 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5085 chrec_convert if chrec_convert_aggressive might have been used.
5086 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5087 scev_direction): New functions.
5088 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5089 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5090 instead of convert_step.
5091 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5092 (convert_step): Declaration removed.
5093 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5095 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5097 * df-core.c: Added to header comments.
5098 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5099 df_ur_bb_info, df_urec_bb_info): Added comments.
5100 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5101 urec, ri problems): Fixed header comments.
5102 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5103 code from df_rd_transfer_function.
5105 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5107 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5108 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5109 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5111 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5113 * expr.c (undefined_operand_subword_p): New.
5114 (emit_move_multi_word): Do not generate move from undefined bits
5115 of a paradoxical subreg.
5117 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5119 PR rtl-optimization/27736
5120 * combine.c (replaced_rhs_value): New variable.
5121 (combine_instructions): Set it.
5122 (distribute_notes): When distributing a note in replaced_rhs_insn,
5123 check whether the value was used in replaced_rhs_value.
5125 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5128 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5129 add_referenced_var instead of add_referenced_tmp_var.
5130 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5131 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5133 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5134 tree_optimize_tail_calls_1): Use add_referenced_var.
5135 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5136 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5137 Use add_referenced_var.
5138 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5139 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5140 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5141 Use add_referenced_var.
5142 * tree-dfa.c (struct walk_state): Remove.
5143 (find_referenced_vars): Remove walk state and vars_found hash table.
5144 (make_rename_temp): Use add_referenced_var.
5145 (find_vars_r): Pass less parameters to add_referenced_var.
5146 (referenced_var_p): New. Is var in referenced_var hash table.
5147 (referenced_var_insert): Assert var isn't already in hash table.
5148 (add_referenced_var): Don't need walk_state parameter. Add var if it
5149 isn't already in the hash table.
5150 (add_referenced_tmp_var): Remove.
5151 (find_new_referenced_vars_1): Use add_referenced_var.
5152 * tree-ssa-pre.c (create_expression_by_pieces,
5153 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5154 Use add_referenced_var.
5155 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5156 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5157 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5159 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5160 vect_create_data_ref_ptr, vect_create_destination_var,
5161 vect_init_vector, vect_build_loop_niters,
5162 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5163 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5164 Use add_referenced_var.
5165 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5166 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5167 (add_referenced_var): Add prototype.
5168 * tree-ssa-structalias.c (get_constraint_for,
5169 intra_create_variable_infos): Use add_referenced_var.
5171 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5173 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5174 big-endian paradoxical subregs.
5175 * var-tracking.c (struct micro_operation_def): Document that,
5176 for modify micro operations, insn is the subsequent instruction.
5177 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5178 (var_reg_set, var_mem_set): ... new functions.
5179 (add_stores): Record subsequent insn.
5180 (compute_bb_dataflow): Use new functions for MO_USE.
5181 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5182 notes after the insn, and modify notes before the insn known
5183 to be the subsequent one.
5184 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5186 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5189 * config/i386/i386.c (ix86_expand_builtin): Use
5190 gen_sse3_monitor64 for TARGET_64BIT.
5192 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5194 PR rtl-optimization/26375
5195 PR rtl-optimization/26855
5196 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5198 (df_ru_bb_local_compute): Reversed statements and removed bogus
5199 comment explaining why they should be in wrong order.
5200 (df_ru_dump, df_rd_dump): Enhanced debug info.
5201 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5203 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5204 reaching uses and fixed space problem.
5206 2006-05-23 Jan Hubicka <jh@suse.cz>
5208 * cgraphunit.c (decide_is_function_needed): Also nested functions
5209 and functions declared inline can be optimized out at -O0.
5211 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5213 * doc/install.texi (Configuration): Remove reference to CrossGCC
5217 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5220 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5221 ix86_compare_emitted is non-NULL.
5223 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5226 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5229 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5231 PR rtl-optimization/25514
5232 * combine.c (replaced_rhs_insn): New variable.
5233 (combine_instructions): Set replaced_rhs_insn when trying to replace
5234 a SET_SRC with a REG_EQUAL note.
5235 (distribute_notes): Use replaced_rhs_insn when determining the live
5236 range of a REG_DEAD register.
5238 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5239 Anatoly Sokolov <aesok@post.ru>
5241 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5242 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5243 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5244 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5245 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5246 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5247 at90usb647, at90usb1286 and at90usb1287 devices.
5248 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5249 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5251 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5253 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5255 2006-05-22 Richard Guenther <rguenther@suse.de>
5258 2006-01-31 Richard Guenther <rguenther@suse.de>
5259 Paolo Bonzini <bonzini@gnu.org>
5261 * doc/install.texi (--disable-libgcc-math): Document.
5263 2006-05-22 Richard Guenther <rguenther@suse.de>
5266 2006-01-31 Richard Guenther <rguenther@suse.de>
5268 * doc/invoke.texi (-msselibm): Document.
5269 * target.h (expand_library_builtin): New target hook.
5270 * builtins.c (expand_builtin): Use expand_library_builtin.
5271 (default_expand_library_builtin): New function.
5272 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5273 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5274 (link_gcc_math_spec): Declare.
5275 (static_specs): Add link_gcc_math_spec.
5276 * expr.h (default_expand_library_builtin): Declare.
5277 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5278 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5279 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5280 * config/i386/i386.opt (msselibm): New target option.
5281 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5282 (ix86_init_sse_abi_builtins): New function.
5283 (ix86_expand_library_builtin): Likewise.
5284 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5285 (override_options): Handle error conditions wrt -msselibm.
5286 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5287 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5288 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5291 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5294 * c-common.c (self_promoting_args_p): Skip erroneous args.
5297 * c-decl.c (finish_struct): Skip erroneous fields.
5299 2006-05-22 Nick Clifton <nickc@redhat.com>
5301 * config/cris/cris.opt (march): Remove VarExists attribute.
5302 (max-stackframe=): Likewise.
5304 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5306 * doc/rtl.texi: Fix a typo.
5307 * see.c: Fix comment typos.
5309 * tree-ssa-structalias.h (alias_info): Remove num_references.
5311 2006-05-21 Mike Stump <mrs@apple.com>
5313 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5315 (darwin_pragma_options): Use BAD instead.
5316 (darwin_pragma_unused): Likewise.
5317 (darwin_pragma_ms_struct): Likewise.
5319 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5321 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5323 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5325 PR rtl-optimization/27671
5326 * simplify-rtx.c (simplify_relational_operation_1): Fix
5327 simplifications of (eq/ne (xor x y) y) and
5328 (eq/ne (xor x y) x).
5330 PR tree-optimization/26622.
5331 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5334 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5336 * tree-cfg.c: Prune whitespace.
5337 (debug_tree_cfg): Point to correct header containing the
5340 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5343 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5345 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5348 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5349 or sorry count is non zero.
5351 2006-05-20 Andreas Schwab <schwab@suse.de>
5353 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5355 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5356 Kenneth Zadeck <zadeck@naturalbridge.com>
5358 PR rtl-optimization/26855
5360 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5362 (df_scan_alloc): Added code to properly handle multiword hard
5363 registers and add all_blocks parameter.
5364 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5365 code to properly handle multiword hard registers.
5366 (df_rescan_blocks): Added code to remove deleted blocks from
5368 (df_ref_create_structure, df_ref_record): Added code to properly
5370 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5371 and set DF_REF_PARTIAL.
5372 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5373 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5374 (df_scan_add_problem): Added flags parameter.
5375 (df_ref_create_structure): Changed switching structure.
5376 (df_bb_refs_record): Fixed case where duplicate artificial refs
5377 were created. Changed location of flags.
5378 (df_record_entry_block_defs): Added code to make stack pointer
5379 live in entry block. Refined cases where frame pointer is needed.
5380 Changed location of flags.
5381 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5382 (df_set_state): Removed function.
5383 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5384 df_insn_create_insn_record, df_insn_refs_delete,
5385 df_ref_create_structure): Formatting changes.
5386 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5387 df_delete_basic_block): New function.
5388 (df_init): Changed location of flags.
5389 (df_add_problem): Added flags parameter and the way flags are
5391 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5392 debug_df_chain): Improved debugging output.
5393 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5394 (df_refs_chain_dump): Removed df parameter.
5395 (df_iterative_dataflow): Added consistency check.
5396 (df_prune_to_subcfg): Made public.
5397 (df_analyze_problem): Added blocks_to_init parameter and made
5399 (df_ref_record, df_bb_refs_record, df_mark_reg,
5400 df_record_exit_block_uses): Whitespace changes.
5401 (df_dump): Whitespace changes.
5402 * df.h: Some reordering to remove forward references.
5403 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5404 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5405 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5406 (dataflow.flags): New field.
5407 (df.flag): Deleted field.
5408 (df_alloc_function): Added additional bitmap parameter.
5409 (df_dependent_problem_function): New type.
5410 (df_problem.changeable_flags): New field.
5411 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5412 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5413 (df_mw_hardreg): New struct.
5414 (DF_INSN_UID_MWS): New macro.
5415 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5417 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5418 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5419 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5420 (df_set_state): Removed function.
5421 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5422 * df-problems.c (df_chain_dump): Removed df parameter.
5423 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5424 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5426 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5427 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5428 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5429 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5430 DF_REF_MUST_CLOBBER cases.
5431 (df_ru_bb_local_compute_process_def,
5432 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5433 df_lr_bb_local_compute, df_ur_bb_local_compute,
5434 df_chain_create_bb): Made subreg aware.
5435 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5436 df_lr_bb_local_compute, df_lr_bb_local_compute,
5437 df_chain_create_bb): Cleanup to use proper macros.
5438 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5439 code to fixup bitvectors.
5440 (df_ri_alloc): Cleared lifetime.
5441 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5442 df_create_unused_note): New function.
5443 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5444 REG_DEAD and REG_UNUSED notes as well as register information.
5445 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5446 df_chains_dump): Fixed crash if problem was never run.
5447 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5448 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5449 df_ri_add_problem): Processes flags in uniform manner.
5450 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5451 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5452 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5453 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5454 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5455 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5456 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5457 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5458 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5459 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5460 * see.c (see_initialize_data): Ditto.
5461 * final.c (rest_of_clean_state) Added regstack_completed.
5462 * rtl.h (regstack_completed): Ditto.
5463 * reg-stack.c (regstack_completed): Ditto.
5465 2006-05-19 Mike Stump <mrs@apple.com>
5467 * c-tree.h (default_conversion): Remove.
5468 * c-common.h (default_conversion): Add.
5470 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5472 * tree-vrp.c (valid_value_p): New function.
5473 (adjust_range_with_scev): Fail if the value of bound is not
5476 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5478 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5479 (mips_fallback_frame_state): Use syscall numbers to determine
5480 the appropriate li instruction for the current ABI. Only use
5481 __NR_sigreturn for o32.
5483 2006-05-19 Nicolas Setton <setton@adacore.com>
5485 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5486 * langhooks.c (lhd_dwarf_name): New function.
5487 * langhooks-def.h (lhd_dwarf_name): Declare.
5488 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5489 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5490 * ada/misc.c (gnat_dwarf_name): New function.
5491 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5493 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5495 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5497 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5498 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5499 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5500 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5501 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5502 determine the size of Wtype, etc.
5503 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5504 (swfloatfuncs): New variable.
5505 (dwfloatfuncs): Likewise.
5506 (lib2funcs): Remove floating-point conversion functions from
5507 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5508 the set of conversion routines needed. Allow entries to specify
5509 an object name, filename and word size. Update users accordingly.
5510 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5511 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5515 2006-02-08 Roger Sayle <roger@eyesopen.com>
5518 * config/fixtfdi.c: New libgcc source file.
5519 * config/fixunstfdi.c: New source file.
5520 * config/floatditf.c: New source file.
5521 * config/floatunditf.c: New souce file.
5522 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5523 files above instead of config/mips/_tilib.c.
5524 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5526 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5528 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5529 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5531 2006-05-18 Mike Stump <mrs@apple.com>
5533 Fix up vla, vm and [*] sematics.
5539 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5540 (c_vla_unspec_p): Add.
5541 (c_vla_type_p): Add.
5542 * c-decl.c (struct c_scope): Add had_vla_unspec.
5543 (build_array_declarator): Add support for [*].
5544 (grokdeclarator): Likewise.
5545 (grokparms): Likewise.
5546 (get_parm_info): Likewise.
5547 * c-objc-common.c (c_vla_unspec_p): Likewise.
5548 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5549 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5550 typeof when argument is a variably modified type not inside sizeof or alignof.
5551 (c_parser_direct_declarator_inner): Propagate errors.
5552 (c_parser_sizeof_expression): Add support for [*].
5553 (c_parser_parms_declarator): Initialize had_vla_unspec.
5554 (c_parser_parms_list_declarator): Likewise.
5555 * c-typeck.c (c_vla_type_p): Add.
5556 (composite_type): Add support for vla compositing.
5557 (comptypes_internal): Add support for vla compatibility.
5558 (c_expr_sizeof_expr): Evaluate vla arguments.
5559 * tree.c (variably_modified_type_p): Update comment for [*].
5561 2006-05-18 Michael Matz <matz@suse.de>
5564 * config.host: Make assignments to host_xmake_file cumulative.
5565 * config.host (*-darwin*): Test $host, not $target.
5567 2006-05-12 Stuart Hastings <stuart@apple.com>
5569 * config/i386/i386.opt (-mstackrealign): New flag.
5570 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5571 (ix86_handle_cconv_attribute): Emit error when
5572 force_align_arg_pointer attribute collides with too many regparms.
5573 (ix86_function_regparm): Limit regparms when used with
5574 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5575 Support stack-realigning prologue in non-main functions. Emit
5576 warning for nested functions under -mstackrealign, emit error for
5577 nested functions with force_align_arg_pointer attribute.
5578 * doc/extend.texi (force_align_arg_pointer): Document it.
5579 * doc/invoke.texi (-mstackrealign): Document it.
5581 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5583 PR rtl-optimization/27477
5584 * combine.c (try_combine): Don't split a parallel consisting
5585 of two sets into two individual sets if both sets reference
5588 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5590 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5591 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5593 * doc/options.texi (VarExists): Updated.
5595 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5597 * unwind-dw2.c: Add declarations for uw_update_context and
5599 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5600 detected, advance frame state and context once to skip over stub.
5602 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5606 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5607 Call rewrite_into_loop_closed_ssa only when something changed.
5608 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5609 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5610 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5611 Test for perfect_nest_p here. Fix formating.
5612 (replace_uses_equiv_to_x_with_y): Fix formating.
5613 (stmt_uses_op): Removed.
5614 (can_convert_to_perfect_nest): Removed loopivs parameter.
5615 Complete the test by checking the scalar dependences.
5616 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5619 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5622 From Dan Kegel <dank@kegel.com>:
5623 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5625 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5627 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5628 if the element type is variably modified without recursing.
5630 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5633 * tree-loop-linear.c (try_interchange_loops): Test for
5634 no data dependences.
5636 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5638 PR tree-optimization/27548
5639 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5640 range of ssa names that appear on abnormal edges.
5641 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5642 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5644 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5647 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5649 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5652 * tree.h (OMP_PARALLEL_COMBINED): Define.
5653 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5654 (new_omp_context): Add is_combined_parallel argument.
5655 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5656 new_omp_context caller.
5657 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5658 Adjust gimplify_scan_omp_clauses callers.
5659 (omp_is_private): Issue errors if iteration variable is firstprivate
5660 or reduction in the current context.
5661 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5662 on combined parallel workshare constructs.
5664 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5666 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5667 (gcc-options.o): New rule.
5669 * optc-gen.awk: Protect variables for gcc-options.o with
5670 #ifdef GCC_DRIVER/#endif.
5672 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5674 Fix PR tree-optimization/27373
5675 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5676 (forward_propagate_addr_expr): Update call.
5678 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5680 * doc/options.texi: Move the Negative option.
5682 2006-05-16 Richard Guenther <rguenther@suse.de>
5684 PR tree-optimization/22303
5685 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5687 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5688 ccp_fold did not simplify the statement.
5690 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5693 * Makefile.in (GCC_OBJS): New.
5694 (OBJS-common): Add opts-common.o.
5695 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5696 (cpp$(exeext)): Likewise.
5697 (gcc.o): Also depend on opts.h.
5698 (opts-common.o): New.
5700 * common.opt (gcoff): Add Negative(gdwarf-2).
5701 (gdwarf-2): Add Negative(gstabs).
5702 (gstabs): Add Negative(gstabs+).
5703 (gstabs+): Add Negative(gvms).
5704 (gvms): Add Negative(gxcoff).
5705 (gxcoff): Add Negative(gxcoff+).
5706 (gxcoff+): Add Negative(gcoff).
5707 * config/i386/i386.opt (m32): Add Negative(m64).
5708 (m64): Add Negative(m32).
5710 * doc/options.texi: Document the Negative option.
5712 * gcc.c: Include "opts.h".
5713 (main): Call prune_options after expandargv.
5715 * optc-gen.awk: Generate common declarations for all flag
5716 variables in options.c. Output the neg_index field.
5718 * opts.c (find_opt): Moved to ...
5719 * opts-common.c: Here. New file.
5721 * opts.h (cl_option): Add a neg_index field.
5723 (prune_options): Likewise.
5725 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5728 * omp-low.c (expand_omp_parallel): Don't assert
5729 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5730 instead search for it.
5733 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5736 2006-05-16 Andreas Schwab <schwab@suse.de>
5738 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5741 2006-05-15 Roger Sayle <roger@eyesopen.com>
5744 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5745 integer constants other than zero are only legitimate on TARGET_64BIT.
5746 <CONST_VECTOR> Only zero vectors are legitimate.
5747 (ix86_cannot_force_const_mem): Integral and vector constants can
5748 always be put in the constant pool.
5750 2006-05-16 DJ Delorie <dj@redhat.com>
5752 * crtstuff.c (__dso_handle): Set section from
5753 TARGET_LBIGCC_SDATA_SECTION if defined.
5754 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5755 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5757 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5760 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5763 2006-05-16 Ben Elliston <bje@au.ibm.com>
5765 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5767 2006-05-15 Per Bothner <per@bothner.com>
5769 * tree.c: (last_annotated_node): Use source_locus typedef.
5770 This permits bootstrapping with --enable-mapped-location.
5772 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5774 PR tree-optimization/26830
5775 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5776 (info_for_ssa_name, current_info_for_ssa_name_age,
5777 blocks_to_update): New variables.
5778 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5779 (clear_ssa_name_info, initialize_flags_in_bb,
5780 mark_block_for_update): New functions.
5781 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5782 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5783 prepare_def_site_for): Use mark_block_for_update.
5784 (mark_def_interesting): Assert that the processed block is marked in
5785 blocks_to_update. Do not take blocks argument.
5786 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5788 (rewrite_update_init_block, rewrite_update_stmt): Only process
5789 blocks with statements to rewrite.
5790 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5791 (update_ssa): Initialize and free blocks_to_update. Do not
5792 clear flags on statements. Do not use blocks bitmap.
5793 * tree.h (SSA_NAME_AUX): Removed.
5794 (struct tree_ssa_name): Removed aux field.
5795 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5797 2006-05-15 Richard Guenther <rguenther@suse.de>
5799 PR tree-optimization/27603
5800 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5801 Do computations in original type.
5803 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5805 * see.c: Code style changes such as redundant paranthesis,
5806 redundant intialization of local variables etc.
5807 (see_main): Declared now as static.
5808 * doc/invoke.texi: Update that -fsee is not enabled by
5811 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5813 * omp-low.c (check_omp_nesting_restrictions): New function.
5814 (scan_omp_1): Call it.
5817 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5818 construct, return *VAR.
5820 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5822 PR rtl-optimization/27406
5823 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5826 2006-05-14 Roger Sayle <roger@eyesopen.com>
5828 PR rtl-optimization/27538
5829 * combine.c (expand_compound_operation): Call gen_lowpart
5830 before calling simplify_shift_const.
5832 2006-05-14 Roger Sayle <roger@eyesopen.com>
5834 PR rtl-optimization/22563
5835 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5836 a fixed width bitfield, always force the intermediates into psuedos.
5838 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5841 * mkconfig.sh: Use operator = instead of == for test.
5843 2006-05-13 Nick Clifton <nickc@redhat.com>
5845 * dwarf2out.c (dbx_reg_number): Check return value from
5846 LEAF_REG_REMAP and only use it if it is valid.
5847 (multiple_reg_loc_descriptor): Likewise.
5849 2006-05-13 Richard Guenther <rguenther@suse.de>
5851 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5854 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5856 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5857 information attached to non-INSNs such as NOTEs.
5858 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5860 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5862 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5864 * config/s390/s390.md: Adjust comment describing On constraint.
5866 2006-05-11 Jan Hubicka <jh@suse.cz>
5868 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5869 to be output at -O0.
5871 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5874 * fold-const.c (size_binop): Move sanity check for arguments to
5875 the beginning of the function.
5878 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5881 2006-05-11 Richard Guenther <rguenther@suse.de>
5884 * fold-const.c (fold_unary): Handle intermediate conversion
5885 to a pointer type like intermediate conversion to an integer
5886 type in folding of (T1)(T2)var to var.
5887 Match the code to the comment in the final conversion for
5888 (T1)(T2)var to (T1)var regarding to type precision. Rather
5889 than disallow T1 being of pointer type, assert that both T1
5890 and var are of pointer type or not. Make sure not to fall
5891 over the frontends lazyness wrt array to pointer decay though.
5893 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5895 * arm.c (arm_struct_value_rtx): Delete.
5896 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5897 (arm_init_cumulative_args): Always initialize nregs to zero.
5899 2006-05-10 Richard Guenther <rguenther@suse.de>
5901 PR tree-optimization/27532
5902 * tree-object-size.c (plus_expr_object_size): Fix typo.
5904 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5907 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5908 ashrdi_const, ashrdi3): Use a scratch register.
5910 2006-05-10 Richard Guenther <rguenther@suse.de>
5912 PR tree-optimization/27302
5913 * fold-const.c (operand_equal_p): For two comparisons,
5914 try comparison of one comparison code swapped if that yields
5917 2006-05-10 Ben Elliston <bje@au.ibm.com>
5919 * tree-pretty-print.c (pretty_print_string): No need to handle
5920 '\0' as a special character.
5922 * tree.h: Include "hashtab.h".
5923 (iterative_hash_expr): Use hashval_t in its prototype.
5924 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5926 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5929 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5930 (hppa*64*-*-hpux11*): Ditto.
5931 (hppa[12]*-*-hpux11*): Ditto.
5933 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5936 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5938 2006-05-09 Michael Matz <matz@suse.de>
5940 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5941 host_extra_gcc_objs and host_xmake_file.
5942 (<*-*-linux*>): Don't overwrite host_xmake_file.
5943 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5944 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5945 (host_detect_local_cpu): Declare.
5946 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5947 * config/i386/i386.c (override_options): Handle -mtune=native
5949 * config/i386/x-i386: New file.
5950 * config/i386/driver-i386.c: New file.
5951 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5954 2006-05-09 Dirk Mueller <dmueller@suse.de>
5955 Richard Guenther <rguenther@suse.de>
5958 * fold-const.c (fold_read_from_constant_string): Relax check
5959 for matching types to matching modes.
5961 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5963 PR rtl-optimization/27335
5964 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5967 2006-05-08 Chao-ying Fu <fu@mips.com>
5968 Richard Sandiford <richard@codesourcery.com>
5970 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5971 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5972 * config/mips/mips.md (UNSPEC_SCC): New constant.
5973 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5974 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5975 (mips_emit_compare): Use it.
5976 (mips_expand_vcondv2sf): New function.
5978 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5980 Fix PR tree-optimization/27093
5981 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5982 renaming when they become not-used_alone.
5984 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5986 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5987 relocation and relocation stubs.
5989 2006-05-08 Eric Christopher <echristo@apple.com>
5991 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5994 2006-05-08 Jan Hubicka <jh@suse.cz>
5997 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5998 unused static functions are needed.
6000 2006-05-08 Roger Sayle <roger@eyesopen.com>
6003 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6004 of a reg_equiv_constant if the result is a legitimate constant.
6006 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6009 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6010 standard 80387 constants, raise the cost to prevent
6011 compress_float_constant() to generate load from memory.
6013 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6015 * config/arm/constraints.md (c): Fix a typo.
6017 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6020 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6023 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6025 (_mm_mwait): Likewise.
6027 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6029 (sse3_monitor): Make it 32bit only.
6030 (sse3_monitor64): New. 64bit monitor.
6032 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6035 * config/i386/i386.c (classify_argument): Skip fields with invalid
6038 2006-05-07 Richard Guenther <rguenther@suse.de>
6040 PR tree-optimization/27409
6041 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6042 Do not try to find zero-sized subvars.
6044 2006-05-07 Richard Guenther <rguenther@suse.de>
6046 PR tree-optimization/27136
6047 * tree-ssa-loop-niter.c (get_val_for): Correct function
6048 comment, assert requirements.
6049 (loop_niter_by_eval): Stop processing if the iterated
6050 value did not simplify.
6052 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6054 * opts.c (flag_see): remove its setting at -O3.
6056 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6058 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6059 * arm/constraints.md: New file.
6060 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6061 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6062 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6063 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6064 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6065 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6066 * arm.md: Include constraints.md.
6067 (thumb_movsi_insn): Use satisfies_constraint_J.
6068 (movhi, movqi): Use satisfies_constraint_I.
6070 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6072 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6073 for atmeg a645 device.
6075 2006-05-06 Richard Guenther <rguenther@suse.de>
6077 PR tree-optimization/27151
6078 * tree-vect-transform.c (vectorizable_condition): Punt on
6079 values that have a different type than the condition.
6081 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6084 * c-parser.c (c_parser_cast_expression): Only insert casts into
6085 hash table if pointer.
6086 * function.c (used_types_insert_helper): Rename from
6088 (used_types_insert): Call used_types_insert_helper.
6089 * function.h (used_types_insert): Accept only one argument.
6091 2006-05-05 David Edelsohn <edesohn@gnu.org>
6093 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6094 scratch with output modifier.
6096 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6099 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6100 with output modifier.
6102 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6105 * config/mips/mips.c (mips_symbolic_address_p): Return true
6106 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6107 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6109 2006-05-04 Richard Guenther <rguenther@suse.de>
6111 PR tree-optimization/14287
6112 PR tree-optimization/14844
6113 PR tree-optimization/19792
6114 PR tree-optimization/21608
6115 PR tree-optimization/27090
6116 * tree-ssa-pre.c (try_combine_conversion): New function.
6117 (compute_avail): After constructing the value-handle
6118 expression, use try_combine_conversion to combine NOP_EXPRs
6119 with previous value-handle expressions and use the result if it
6122 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6124 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6126 2006-05-04 Jan Hubicka <jh@suse.cz>
6129 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6131 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6133 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6134 that this only matches CONST_INTs. All users changed to VOIDmode
6137 * config/bfin/bfin.c: Include "optabs.h".
6138 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6140 (enum bfin_builtins): Add a number of fractional and vector builtins.
6141 (bfin_init_builtins): Likewise.
6142 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6143 (safe_vector_operand, bfin_expand_binop_builtin,
6144 bfin_expand_unop_builtin): New functions.
6145 (bfin_expand_builtin): Handle the new builtins.
6146 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6149 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6152 * Makefile.in (OBJS-common): Add see.o.
6153 (see.o): Add dependencies.
6154 * common.opt (fsee): New flag for the see optimization was added.
6155 * opts.c (flag_see): Initialized.
6156 * passes.c (init_optimization_passes, pass_see): New pass.
6157 * rtl.h (see_main): Declaration as extern.
6158 * timevar.def (TV_SEE): New.
6159 * tree-pass.h (pass_see): Declaration as extern.
6160 * invoke.texi (-fsee): Document.
6161 * recog.c (validate_simplify_insn): New function.
6162 * recog.h (validate_simplify_insn): Declaration as extern.
6163 * df-problems.c (df_chain_dump): Check for NULL.
6165 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6166 Daniel Berlin <dberlin@dberlin.org>
6168 * cfgrtl.c (insert_insn_bb_end_new): New function.
6169 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6171 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6173 * df.h (struct web_entry): Moved from web.c.
6174 (union_defs): Declaration as extern.
6175 (unionfind_root): Likewise.
6176 (unionfind_union): Likewise.
6177 * web.c (struct web_entry): Moved to df.h.
6178 (unionfind_root): Remove static declaration.
6179 (unionfind_union): Likewise.
6180 (union_defs): Likewise and generalize to use callback function.
6181 (web_main): Update arguments for union_defs function call.
6183 2006-05-04 Richard Guenther <rguenther@suse.de>
6185 PR tree-optimization/26447
6186 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6187 produce SSA_NAME copies before the store stmt to avoid
6188 breaking exception handling.
6190 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6193 * gimplify.c (omp_is_private): If var is shared in some outer context,
6194 return false instead of true. Stop searching on parallel context
6197 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6200 * coverage.c: Use get_gcov_unsigned_t() instead of
6201 unsigned_type_node all over.
6203 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6205 PR tree-optimization/27381
6206 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6207 maintain the same immediate_use links.
6208 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6209 node rather than segfaulting.
6211 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6214 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6215 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6216 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6218 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6220 Fix PR tree-optimization/26626
6221 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6223 * tree-ssa-operands.c (access_can_touch_variable): Allow
6224 typecasting through union pointers.
6226 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6229 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6230 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6231 to find if var will be a global variable even in the nested context.
6232 (omp_copy_decl): Only check for global variable at the end, it might
6233 be overridden in outer contexts.
6234 (scan_sharing_clauses): For global variables don't create a field.
6235 (lower_rec_input_clauses): Do nothing for global shared variables.
6236 Emit a barrier at the end of ILIST if there were any decls in both
6237 firstprivate and lastprivate clauses.
6238 (lower_send_clauses): Do nothing for global variables except for
6241 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6243 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6244 of the correct signedness is returned.
6246 2006-05-02 Jeff Law <law@redhat.com>
6248 PR tree-optimization/27364
6249 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6250 multiply expressions.
6252 2006-05-02 Tom Tromey <tromey@redhat.com>
6254 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6256 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6259 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6260 -mthumb -fPIC are used.
6262 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6263 Joshua Kinard <kumba@gentoo.org>
6266 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6267 with 64-bit pointers.
6269 2006-05-02 Paul Brook <paul@codesourcery.com>
6271 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6273 (create_fix_barrier): Check that a suitable barrier location is
6275 (arm_reorg): Include ftmp->address in allowable range of addresses.
6277 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6280 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6283 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6286 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6287 around RESULT_DECL for result passed by reference.
6288 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6289 * omp-low.c (use_pointer_for_field): Don't look at
6290 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6291 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6292 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6293 time or var for passing by reference for
6294 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6295 TREE_ADDRESSABLE variables when passing by reference.
6297 * omp-low.c (dump_omp_region): Fix output formatting.
6300 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6301 (expand_omp_parallel): Likewise.
6302 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6305 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6306 on statement list containing also constructors and destructors.
6307 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6310 * except.c (duplicate_eh_regions): Fix clearing of
6311 cfun->eh->region_array entries.
6313 2006-05-01 DJ Delorie <dj@redhat.com>
6315 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6317 (gcc_cv_objdump): Likewise.
6318 * configure: Regenerated.
6320 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6323 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6324 templates for case 3 and 4.
6326 2006-05-01 DJ Delorie <dj@redhat.com>
6328 * vec.c: Include bconfig.h when appropriate.
6329 * Makefile.in (build/vec.o): Adjust dependencies.
6330 * mkconfig.sh: Make sure config.h isn't used for build machine
6333 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6335 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6337 (mark_phi_for_rewrite): New function.
6338 (insert_phi_nodes_for, mark_use_interesting): Call
6339 mark_phi_for_rewrite.
6340 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6341 (update_ssa): Initialize and free phis_to_rewrite.
6343 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6345 PR rtl-optimization/27291
6346 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6347 folded to a constant.
6349 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6351 PR tree-optimization/27283
6352 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6353 not whole # of iteration descriptions.
6354 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6355 uses abnormal ssa name.
6356 (niter_for_single_dom_exit): Ditto.
6357 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6358 return just the number of iterations.
6360 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6362 PR tree-optimization/27144
6363 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6364 (record_estimate): Only record constant upper bound.
6365 (infer_loop_bounds_from_undefined): Call
6366 compute_estimated_nb_iterations just once.
6367 (proved_non_wrapping_p): Renamed to ...
6368 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6369 (convert_step_widening, scev_probably_wraps_p): Call
6370 n_of_executions_at_most instead of proved_non_wrapping_p.
6371 (substitute_in_loop_info): Do not replace values in bounds.
6372 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6375 2006-05-01 Richard Henderson <rth@redhat.com>
6378 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6379 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6382 2006-05-01 Roger Sayle <roger@eyesopen.com>
6384 * c-typeck.c (parser_build_binary_op): Don't call the function
6385 unsigned_conversion_warning to spot operand/result type overflow.
6386 (build_binary_op): Instead, call convert_and_check instead of
6387 convert to report the problem when the operands are promoted.
6388 * c-common.c (unsigned_conversion_warning): Make static.
6389 * c-common.h (unsigned_conversion_warning): Delete prototype.
6391 2006-05-01 Richard Guenther <rguenther@suse.de>
6393 PR tree-optimization/26726
6394 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6396 (find_interesting_uses_address): ... we work around here
6397 by folding INDIRECT_REFs in the substituted base.
6399 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6401 * omp-low.c (dump_omp_region): Add newlines.
6403 2006-04-30 Roger Sayle <roger@eyesopen.com>
6405 * common.opt (Woverflow): New command line option.
6406 * c-common.c (constant_expression_warning): Check warn_overflow.
6407 (overflow_waring): Pass OPT_Woverflow to warning.
6408 (unsigned_conversion_warning): Likewise.
6409 (convert_and_check): Likewise.
6410 * doc/invoke.texi: Document new command line option.
6412 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6414 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6415 TARGET_NO_FP_IN_TOC for section anchors.
6416 (optimization_options): Enable section anchors for all
6417 non-"Objective" languages.
6419 2006-04-28 Eric Christopher <echristo@apple.com>
6421 * config/darwin-c.c (darwin_ms_struct): Move this
6422 (darwin_set_default_type_attributes): and this...
6423 * config/darwin.c: ... here.
6424 * config/darwin.h (darwin_ms_struct): Declare.
6426 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6428 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6430 2006-04-28 Roger Sayle <roger@eyesopen.com>
6433 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6434 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6435 an unsigned HOST_WIDE_INT.
6436 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6438 (really_start_incremental_init): No need to call convert because
6439 bitsize_zero_node is already of type bitsizetype.
6440 (push_init_level): Extract the value of constructor_index as an
6441 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6442 (process_init_element): Likewise.
6444 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6446 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6447 value before passing to make_relative_prefix.
6449 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6452 * builtins.c (expand_builtin_memset): Expand val in original mode.
6454 2006-04-27 Eric Christopher <echristo@apple.com>
6456 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6457 with #ifndef/#endif.
6458 * config/darwin-c.c (darwin_ms_struct): New.
6459 (darwin_pragma_ms_struct): Ditto.
6460 (darwin_set_default_type_attributes): Ditto.
6461 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6462 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6463 Register ms_struct pragma.
6464 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6465 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6466 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6467 darwin_set_default_type_attributes if TARGET_MACHO.
6469 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6471 PR tree-optimization/26854
6472 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6473 * doc/tree-ssa.texi: Update immuse iterator documentation.
6474 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6475 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6476 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6477 first_safe_imm_use, next_safe_imm_use): Remove.
6478 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6479 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6480 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6481 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6482 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6483 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6484 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6485 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6486 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6487 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6488 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6489 (perfect_nestify): Use new iterator.
6490 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6492 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6493 (next_imm_name): New field in struct immediate_use_iterator_d.
6494 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6495 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6496 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6497 * tree-cfg.c (replace_uses_by): Use new iterator.
6498 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6499 * tree-ssa-operands.c (correct_use_link): Remove.
6500 (finalize_ssa_use_ops): No longer call correct_use_link.
6502 2006-04-27 Stuart Hastings <stuart@apple.com>
6504 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6505 * config/t-darwin (crt3.o): Use it.
6506 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6507 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6508 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6509 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6510 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6513 2006-04-27 Roger Sayle <roger@eyesopen.com>
6515 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6516 size, force the intermediate into a new pseudo rather instead of
6517 performing both a bitwise AND and a bitwise IOR in memory.
6519 2006-04-27 Richard Guenther <rguenther@suse.de>
6521 PR rtl-optimization/26685
6522 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6523 this one "max-flow-memory-locations".
6525 2006-04-27 Richard Guenther <rguenther@suse.de>
6527 PR tree-optimization/25148
6528 * tree-vrp.c (compare_values): Remove code dealing with
6529 comparisons against type min/max value. Honour overflow
6530 and negative constants in code dealing with comparisons
6531 of plus and minus expressions.
6532 (value_inside_range): Use fold_binary with LE_EXPR and
6533 GE_EXPR rather than compare_values.
6535 2006-04-27 Dirk Mueller <dmueller@suse.de>
6537 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6540 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6542 * basic-block.h (safe_insert_insn_on_edge): Removed.
6543 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6545 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6546 Paolo Bonzini <bonzini@gnu.org>
6549 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6550 (simplify_and_const_int): Same.
6552 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6554 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6556 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6559 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6560 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6561 cgraph_global_info_ready.
6564 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6567 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6568 either decl or init is error_mark_node.
6571 * tree-flow.h (struct omp_region): Add sched_kind.
6572 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6573 instead of extracting omp for data.
6574 (expand_omp_for): Save extracted sched_kind.
6576 2006-04-25 Roger Sayle <roger@eyesopen.com>
6578 * expmed.c (store_bit_field): Also check whether the bitsize is
6579 valid for the machine's "insv" instruction before moving the
6580 target into a pseudo for use with the insv.
6581 * config/i386/predicates.md (const8_operand): New predicate.
6582 * config/i386/i386.md (extv, extzv, insv): Use the new
6583 const8_operand predicate where appropriate.
6585 2006-04-25 DJ Delorie <dj@redhat.com>
6587 * doc/install.texi (Specific): Clarify that this is not a list of
6588 supported hosts or targets.
6590 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6592 PR rtl-optimization/26725
6593 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6594 block's BB_DIRTY flag.
6596 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6598 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6601 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6602 to print an integer.
6604 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6606 * varasm.c (align_variable): New function.
6607 (get_block_for_decl): Apply align_variable to DECL before
6608 calculating section information.
6609 (assemble_variable): Split out alignment computation.
6611 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6613 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6616 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6618 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6619 MODE_PARTIAL_INT mode.
6620 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6621 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6623 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6624 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6626 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6628 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6630 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6631 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6632 MACFLAG_IH): Likewise.
6633 (movstricthi_1): Renamed from "*movstricthi".
6634 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6635 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6636 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6637 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6638 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6639 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6640 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6641 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6642 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6643 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6644 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6645 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6646 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6647 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6648 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6650 * doc/rtl.texi (ss_ashift): Improve wording.
6652 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6654 * dwarf2out.c (verify_marks_clear): New.
6655 (prune_unused_types): Call verify_marks_clear initially, not
6658 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6660 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6661 * doc/rtl.texi: Document them.
6662 * simplify-rtx.c (simplify_unary_operation,
6663 simplify_binary_operation_1): Don't abort when we see them.
6665 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6668 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6669 * configure.ac: Completely disregard languages that are not
6671 * configure: Regenerated.
6673 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6674 Richard Guenther <rguenther@suse.de>
6676 PR tree-optimization/27236
6677 * tree-inline.c (copy_body_r): Make sure to copy
6678 TREE_THIS_VOLATILE flag.
6680 2006-04-24 Richard Guenther <rguenther@suse.de>
6683 * tree-complex.c (update_parameter_components): Don't handle
6684 unused parameters which have no default def.
6686 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6687 Richard Guenther <rguenther@suse.de>
6689 PR tree-optimization/27218
6690 * tree-inline.c (expand_call_inline): Strip useless type
6691 conversions for the return slot address.
6693 2006-04-24 Richard Guenther <rguenther@suse.de>
6695 * cfgloop.h (struct loops): Remove unused field array. Reorder
6697 (LOOP_PREFETCH): Remove.
6699 2006-04-24 Richard Guenther <rguenther@suse.de>
6701 PR tree-optimization/22525
6702 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6703 variable, adjust types of generated expressions.
6705 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6707 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6708 (tree-vect-patterns.o): Likewise.
6710 (cselib.o): Likewise.
6711 (loop-doloop.o): Likewise.
6712 (regclass.o): Likewise.
6713 (reload1.o): Likewise.
6714 (explow.o): Replace target.h with $(TARGET_H).
6715 (ipa-prop.o): Likewise.
6716 (ipa-cp.o): Likewise.
6717 (ipa-inline.o): Likewise.
6718 (reorg.o): Likewise.
6719 (reg-stack.o): Likewise.
6721 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6723 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6725 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6727 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6729 * configure.ac: Completely disregard languages that are not
6731 * configure: Regenerated.
6734 * c-common.h (c_build_bitfield_integer_type): Declare.
6735 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6736 * c-common.c (c_build_bitfield_integer_type): ... here.
6738 2006-04-23 Roger Sayle <roger@eyesopen.com>
6741 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6742 a SImode SUBREG of a floating point register after no_new_pseudos.
6744 2006-04-23 Roger Sayle <roger@eyesopen.com>
6746 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6747 identify potentially eliminable registers to additionally catch
6748 VIRTUAL_INCOMING_ARGS_REGNUM.
6749 (addsi3): Update the conditions on when to use addsi_small_int.
6751 2006-04-23 Roger Sayle <roger@eyesopen.com>
6754 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6755 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6756 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6758 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6760 * fold-const.c (range_predecessor): Use operand_equal_p
6761 as the predicate for equality.
6762 (range_successor): Likewise.
6764 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6767 * config/soft-fp/op-common.h: Fix a typo.
6769 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6772 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6773 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6775 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6777 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6779 * doc/tm.texi: Fix a typo.
6781 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6783 * dwarf2out.c (struct die_struct): Document that die_sib makes
6784 a circular linked list.
6785 (FOR_EACH_CHILD): New.
6786 (reverse_die_lists): Delete.
6787 (reverse_all_dies): Delete.
6788 (add_dwarf_attr): Correct documentation.
6789 (remove_child_with_prev): New.
6790 (remove_child_TAG): Update for change to die_struct, use
6791 remove_child_with_prev.
6792 (add_child_die): Update for change to die_struct.
6793 (splice_child_die): Use remove_child_with_prev and add_child_die.
6794 (print_die): Use FOR_EACH_CHILD.
6795 (die_checksum): Likewise.
6796 (assign_symbol_names): Likewise.
6797 (output_location_lists): Likewise.
6798 (build_abbrev_table): Likewise.
6799 (calc_die_sizes): Likewise.
6800 (mark_dies): Likewise.
6801 (unmark_dies): Likewise.
6802 (unmark_all_dies): Likewise.
6803 (output_die): Likewise.
6804 (prune_unused_types_mark): Likewise.
6805 (prune_unused_types_walk): Likewise.
6806 (same_die_p): Update for change to die_struct.
6807 (break_out_includes): Likewise.
6808 (prune_unused_types_prune): Likewise.
6809 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6810 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6812 (dwarf2out_finish): Don't call reverse_all_dies.
6814 2006-04-21 Eric Christopher <echristo@apple.com>
6816 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6817 in comments and function names.
6819 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6822 * c-typeck.c (digest_init): Robustify.
6824 * c-typeck.c (pop_init_level): Simplify.
6826 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6828 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6830 2006-04-21 Paul Brook <paul@codesourcery.com>
6832 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6833 hardware floating point.
6835 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6837 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6840 2006-04-21 Nick Clifton <nickc@redhat.com>
6842 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6845 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6848 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6849 C++ lang type in traceback table for Objective-C++.
6851 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6853 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6855 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6857 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6860 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6861 were errors. Remove check for erroneous objects.
6863 2006-04-20 Jeff Law <law@redhat.com>
6865 PR tree-optimization/26854
6866 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6867 checking for zero or one use.
6868 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6869 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6870 * tree-ssa-reassoc.c (negate_value): Similarly.
6871 (reassociate_bb): Similarly.
6873 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6875 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6876 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6877 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6879 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6881 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6882 fp regs if the last fp arg doesn't fit in regs.
6884 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6887 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6888 that the last insn has the REG_INC note.
6890 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6891 Nathan Sidwell <nathan@codesourcery.com>
6894 * stor-layout.c (update_alignment_for_field): Do not align
6896 (place_union_field): Place union field at the start of the union.
6897 (place_field): Move ERROR_MARK check later, and use the current
6898 allocation position to maintain monotonicity.
6900 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6902 * dominance.c: Include timevar.h.
6903 (calculate_dominance_info): Use TV_DOMINANCE.
6904 * timevar.def (TV_DOMINANCE): New timevar.
6905 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6907 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6909 PR rtl-optimization/14261
6910 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6911 move would be an INSV insn.
6912 (noce_process_if_block): Don't optimize if the destination is a
6913 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6915 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6917 * config/s390/s390.md: Add comments with the instructions emitted
6918 by an insn pattern if macros are used.
6920 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6922 PR rtl-optimization/26026
6923 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6924 is a known power of two shifted left a variable amount.
6926 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6928 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6929 to hash table twice when the debug_str section has SECTION_MERGE.
6931 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6933 * config/soft-fp: New directory. From glibc.
6934 * config/soft-fp/t-softfp: New.
6935 * config/soft-fp/README: New.
6936 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6937 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6938 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6939 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6940 * config.gcc: Use rs6000/t-fprules-fpbit or
6941 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6943 * config/rs6000/sfp-machine.h: New. Based on glibc.
6944 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6946 * config/rs6000/t-fprules: Remove fp-bit rules.
6947 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6948 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6949 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6950 (softfp_wrap_start, softfp_wrap_end): New.
6952 2006-04-18 DJ Delorie <dj@redhat.com>
6954 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6956 2006-04-18 Devang Patel <dpatel@apple.com>
6958 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6960 2006-04-18 Nick Clifton <nickc@redhat.com>
6962 * config/sh/t-symbian: Add rule to build sh-c.o
6963 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6964 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6965 (sh_symbian_encode_section_info): Likewise.
6967 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6969 * builtins.c (expand_builtin_strcmp): Cover label definition of
6970 do_libcall with HAVE_cmpstrnsi.
6972 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6974 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6976 * function.h (temp_slot_p): New.
6977 (function): Change the type of x_used_temp_slots to
6978 VEC(temp_slot_p,gc) *.
6980 2006-04-18 Nick Clifton <nickc@redhat.com>
6982 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6983 flag_strength_reduce.
6985 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6987 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6991 Partial revert of revision 112637
6992 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6993 Dale Johannesen <dalej@apple.com>
6996 * regclass.c (struct reg_pref): Update documentation.
6997 (regclass): Set prefclass to NO_REGS if memory is the best option.
6998 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7000 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7002 PR tree-optimization/26821
7003 * tree-ssa-math-opts.c (get_constant_one): New.
7004 (insert_reciprocals): Use it.
7006 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7008 * dwarf2out.c (free_AT): Delete.
7009 (remove_AT): Update string ref counts.
7010 (remove_child_TAG): Don't call free_die.
7012 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7013 or DW_TAG_GNU_EINCL.
7014 (prune_unused_types_walk_attribs): Reset string refcounts.
7015 (prune_unused_types_update_strings): New.
7016 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7017 call free_die. Do call prune_unused_types_update_strings.
7018 (prune_unused_types): Empty debug_str_hash.
7020 2006-04-17 Roger Sayle <roger@eyesopen.com>
7022 * expr.c (expand_assignment): Optimize away no-op moves where the
7023 source and destination are equal and have no side-effects.
7025 2006-04-17 Richard Guenther <rguenther@suse.de>
7028 * reload.c (push_reload): Guard calls to get_secondary_mem
7031 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7033 * alias.c (reg_base_value, old_reg_base_value): Change the
7034 type to VEC(rtx,gc) *.
7035 (REG_BASE_VALUE, find_base_value, record_set,
7036 init_alias_analysis): Use VEC instead of VARRAY.
7038 * alias.c (alias_sets): Change the type to
7039 VEC(alias_set_entry,gc) *.
7040 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7041 VEC instead of VARRAY.
7042 (last_alias_set): Remove.
7044 * cgraph.h (cgraph_edge_p): New.
7045 Update the prototype of cgraph_function_versioning.
7046 * cgraphunit.c (cgraph_copy_node_for_versioning,
7047 cgraph_function_versioning): Use VEC instead of VARRAY.
7048 * ipa-cp.c (ipcp_insert_stage): Likewise.
7050 2006-04-16 Roger Sayle <roger@eyesopen.com>
7053 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7054 "A op B" or "A op C", we may need to convert A to the type of B and C.
7056 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7058 * target.h (struct gcc_target): Add mode_rep_extended.
7059 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7060 (init_num_sign_bit_copies_in_rep): Initialize it using
7062 (truncate_to_mode): Use it.
7063 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7064 * targhooks.h (default_mode_rep_extended): Declare it.
7065 * targhooks.c (default_mode_rep_extended): Define it.
7066 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7067 default_mode_rep_extended.
7068 (TARGET_INITIALIZER): Include it.
7069 * doc/tm.texi (Misc): Document it.
7070 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7071 (mips_truncated_to_mode): New function.
7073 2006-04-16 Roger Sayle <roger@eyesopen.com>
7076 * expr.c (compress_float_constant): Copy the narrow constant into
7077 a new pseudo before extending it to its final width.
7079 2006-04-16 Roger Sayle <roger@eyesopen.com>
7080 Andrew Pinski <pinskia@gcc.gnu.org>
7081 Dale Johannesen <dalej@apple.com>
7084 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7085 special case code to implement V8HImode and V16QImode with SSE2.
7087 2006-04-15 Roger Sayle <roger@eyesopen.com>
7089 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7090 trees are constructed with a suitable tree type.
7092 2006-04-15 Roger Sayle <roger@eyesopen.com>
7094 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7095 (integer_onep): Likewise.
7096 (integer_all_onesp): Likewise.
7097 (integer_pow2p): Likewise.
7098 (integer_nonzerop): Likewise.
7099 (real_zerop): Likewise.
7100 (real_onep): Likewise.
7101 (real_twop): Likewise.
7102 (real_minus_onep): Likewise.
7103 (int_size_in_bytes): Likewise.
7104 (host_integerp): Likewise.
7106 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7108 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7109 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7110 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7112 * tree-ssa-structalias.h (alias_info): Remove num_references.
7114 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7116 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7117 (output_bvb patterns): Likewise.
7118 * pa.c (output_bb): Use 'bb' insn for long branch case.
7119 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7120 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7121 1. Correct length operand for alternatives 1 and 2.
7122 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7123 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7125 2006-04-14 Roger Sayle <roger@eyesopen.com>
7127 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7128 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7129 were accidentally reverted by r112959.
7131 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7134 * except.h (eh_region_outermost): New prototype.
7135 * except.c (eh_region_outermost): New function.
7136 * tree-cfg.c (find_outermost_region_in_block): Use it.
7138 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7140 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7142 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7143 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7144 (init_reload, reload): Use VEC instead of VARRAY.
7145 * reload.h: Update the prototype for
7146 reg_equiv_memory_loc_varray.
7148 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7149 Eric Botcazou <ebotcazou@libertysurf.fr>
7151 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7154 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7157 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7158 to expand fallback builtin function call.
7160 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7163 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7164 and emit libcall here in case the builtin fails.
7165 (expand_builtin_strcmp): Always emit the libcall here on failure.
7167 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7169 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7170 * flow.c (reg_n_info): Change the type to
7171 VEC(reg_info_p,heap) *.
7172 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7174 * regs.h (reg_info_p): New.
7175 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7176 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7177 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7180 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7182 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7184 * params.h (MAX_SCHED_READY_INSNS): New macro.
7185 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7186 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7187 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7188 the ready list for 1 cycle during the first scheduling pass.
7189 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7191 2006-04-13 Richard Henderson <rth@redhat.com>
7194 * gimple-low.c (lower_omp_directive): Remove dead code.
7195 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7196 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7197 * omp-low.c (struct omp_region): Move to tree-flow.h.
7198 (root_omp_region): Export.
7199 (omp_regions, lookup_omp_region): Remove.
7200 (determine_parallel_type): Update for struct omp_region changes.
7201 (dump_omp_region): Dump regions with block numbers.
7202 (new_omp_region): Take type and block instead of stmt; malloc
7204 (free_omp_region_1, free_omp_regions): New.
7205 (expand_parallel_call): Take entry_stmt as argument; update for
7206 changes to omp_region.
7207 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7208 (remove_exit_barriers): New.
7209 (expand_omp_parallel): Update for struct omp_region changes.
7210 (expand_omp_synch): Likewise.
7211 (expand_omp): Likewise.
7212 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7213 (expand_omp_for_static_chunk): Likewise.
7214 (expand_omp_for): Likewise.
7215 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7216 (expand_omp_sections): Similarly, with GOMP_sections_end.
7217 (expand_omp_single): New.
7218 (build_omp_regions_1): Update for OMP_CONTINUE.
7219 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7220 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7221 OMP_SECTIONS_SECTIONS.
7222 (lower_omp_single_simple): Don't emit barrier here.
7223 (lower_omp_single_copy): Likewise.
7224 (lower_omp_single): Fix bindings, and lower to straightline now.
7225 (lower_omp_master, lower_omp_ordered): Likewise.
7226 (lower_omp_critical): Likewise.
7227 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7228 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7229 omp edges, free it afterward.
7230 (make_omp_sections_edges): Remove.
7231 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7232 (move_stmt_r): Handle OMP_CONTINUE.
7233 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7234 statement pointers to basic blocks. Add type member.
7235 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7236 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7237 * tree-inline.c (estimate_num_insns_1): Likewise.
7238 * tree-pretty-print.c (dump_generic_node): Likewise.
7239 * tree-ssa-operands.c (get_expr_operands): Likewise.
7240 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7241 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7242 (OMP_CONTINUE): New.
7243 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7244 (OMP_SECTIONS_SECTIONS): Remove.
7245 (OMP_SECTION_LAST): New.
7246 (OMP_RETURN_NOWAIT): New.
7248 2006-04-13 Roger Sayle <roger@eyesopen.com>
7250 * fold-const.c (native_encode_vector, native_interpret_real):
7251 Correct obvious mistakes in the previous check-in.
7253 2006-04-13 Roger Sayle <roger@eyesopen.com>
7255 * fold-const.c (native_encode_expr): New function to encode
7256 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7257 or VECTOR_CST into a specified buffer.
7258 (native_encode_int): New function.
7259 (native_encode_real): New function.
7260 (native_encode_complex): New function.
7261 (native_encode_vector): New function.
7262 (native_interpret_expr): Inverse of native_encode_expr to convert
7263 a target representation into an INTEGER_CST, REAL_CST etc...
7264 (native_interpret_int): New function.
7265 (native_interpret_real): New function.
7266 (native_interpret_complex): New function.
7267 (native_interpret_vector): New function.
7268 (fold_view_convert_expr): New function to constant fold/evaluate
7269 a VIEW_CONVERT_EXPR of a suitable constant expression.
7270 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7271 Change call of build1 to fold_build1 when constructing a
7274 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7275 Ulrich Weigand <uweigand@de.ibm.com>
7278 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7281 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7284 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7285 optimize to lo_sum for DFmode if !TARGET_FPRS.
7287 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7289 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7290 delete_alias_info, compute_flow_sensitive_aliasing,
7291 group_aliases): Use VEC instead of VARRAY.
7292 * tree-ssa-structalias.c (update_alias_info): Likewise.
7293 * tree-ssa-structalias.h (alias_info): Change the type of
7294 processed_ptrs to VEC(tree,heap) *.
7296 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7299 * config/sh/lib1funcs.h: New file, broken out of:
7300 * config/sh/lib1funcs.asm.
7301 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7303 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7304 * config/sh/lib1funcs-Os-4-200.asm: New file.
7305 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7306 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7307 (EXTRA_MULTILIB_PARTS): Include it.
7308 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7309 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7310 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7311 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7314 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7316 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7317 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7318 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7320 * tree-ssa-live.h: Include vecprim.h.
7321 (tree_partition_associator_d): Change the type of
7322 first_partition to VEC(int,heap) *.
7323 (tpa_first_partition): Use VEC instead of VARRAY.
7325 * Makefile.in (GTFILES): Move functions.h after tree.h.
7326 * function.c (reset_block_changes, record_block_change,
7327 check_block_change, free_block_changes): Use VEC instead of
7329 * function.h (function): Change the type of
7330 ib_boundaries_block to VEC(tree,gc) *.
7331 * tree-inline.c (copy_cfg_body): Initialize
7332 ib_boundaries_block to NULL instead of (varray_type) 0.
7334 2006-04-12 Roger Sayle <roger@eyesopen.com>
7336 * expr.c (emit_group_store): Correct operand order in call to
7337 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7338 a SUBREG_BYTE of zero.
7340 2006-04-12 Richard Guenther <rguenther@suse.de>
7342 * profile.c (compute_branch_probabilities): Remove code
7343 encapsulated in !ir_type (), which are remanents of the
7344 removed RTL profiling code.
7345 * rtl-profile.c: Remove.
7347 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7349 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7350 magic NULL_RTX comment.
7351 (function_arg): Store entire fp arg to mem if any part should go
7353 (rs6000_arg_partial_bytes): Adjust for above change.
7355 2006-04-11 Roger Sayle <roger@eyesopen.com>
7357 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7358 if it hasn't been initialized by dwarf2out_init.
7360 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7362 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7363 symbolic constants in branch patterns.
7365 2006-04-11 Roger Sayle <roger@eyesopen.com>
7367 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7369 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7371 PR rtl-optimization/27073
7372 * gcse.c (try_replace_reg): Revert last change. Continue to search
7373 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7376 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7378 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7379 aggregate types other than record and union types.
7380 (function_arg): Likewise.
7381 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7383 (function_value): In 64-bit mode, return objects that require it
7386 2006-04-11 Roger Sayle <roger@eyesopen.com>
7388 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7390 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7392 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7394 2006-04-03 Jeff Law <law@redhat.com>
7397 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7398 alias information too.
7400 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7402 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7404 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7407 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7408 (premark_used_types_helper): New.
7409 (premark_used_types): New.
7410 (gen_subprogram_die): Call premark_used_types.
7411 (prune_unused_types_walk): Do not prune perennial dies.
7412 * function.c (used_types_insert): New.
7413 * function.h (struct function): Add used_types_hash field.
7414 (used_types_insert): Add prototype.
7415 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7416 * c-parser.c (c_parser_cast_expression): Save casted types in used
7419 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7422 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7423 rs6000_explicit_options.float_gprs.
7425 2006-04-10 Roger Sayle <roger@eyesopen.com>
7427 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7428 from ix86_expand_vector_init_low_nonzero. Take an additional
7429 one_var argument indicating which element is non-zero. Support
7430 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7431 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7432 with one_var instead of ix86_expand_vector_init_low_nonzero.
7434 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7436 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7437 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7438 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7439 build/genextract.o): Depend on vecprim.h.
7440 * cfglayout.c, df-problems.c, function.c, genextract.c,
7441 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7442 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7446 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7448 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7449 Declare VECs of this type.
7450 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7451 (remove_children): Delete.
7452 (add_dwarf_attr): Use VEC routines.
7453 (add_AT_flag): Update for changes to add_dwarf_attr.
7454 (add_AT_int): Likewise.
7455 (add_AT_unsigned): Likewise.
7456 (add_AT_long_long): Likewise.
7457 (add_AT_vec): Likewise.
7458 (add_AT_string): Likewise.
7459 (add_AT_die_ref): Likewise.
7460 (add_AT_fde_ref): Likewise.
7461 (add_AT_loc): Likewise.
7462 (add_AT_loc_list): Likewise.
7463 (add_AT_addr): Likewise.
7464 (add_AT_lbl_id): Likewise.
7465 (add_AT_lineptr): Likewise.
7466 (add_AT_macptr): Likewise.
7467 (add_AT_offset): Likewise.
7468 (add_AT_range_list): Likewise.
7469 (get_AT): Use VEC_iterate.
7470 (remove_AT): Use VEC_ordered_remove.
7471 (free_die): Fold remove_children into here; have it use VEC_iterate.
7472 (print_die): Use VEC_iterate on attrs.
7473 (reverse_die_lists): Don't reverse attr lists.
7474 (die_checksum): Use VEC_iterate on attrs.
7475 (same_die_p): Likewise.
7476 (output_location_lists): Likewise.
7477 (build_abbrev_table): Likewise.
7478 (size_of_die): Likewise.
7479 (unmark_all_dies): Likewise.
7480 (output_abbrev_section): Likewise.
7481 (output_die): Likewise.
7482 (prune_unused_types_walk_attribs): Likewise.
7484 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7486 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7488 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7491 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7493 2006-04-09 Roger Sayle <roger@eyesopen.com>
7495 * expr.c (store_constructor): Don't bother clearing target if
7496 we're about to assign a vector to it using vec_init_optab.
7498 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7500 * tree-ssa-alias.c (lhs_may_store_to): New function.
7501 (recalculate_used_alone): Handle LHS of calls.
7503 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7507 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7508 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7509 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7510 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7511 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7512 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7513 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7514 stubs. Add ".align 8" directives before all ".dword" directives.
7515 (GTHREAD_USE_WEAK): Revise comment.
7516 (TARGET_ATTRIBUTE_WEAK): Define.
7517 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7518 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7519 * stublib.c: New file.
7524 * pa.md (cbranch patterns): Revise arguments used in calls to
7525 output_cbranch, output_bb and output_bvd. Add long branch length
7527 (fbranch patterns): Handle long branches.
7528 (jump): Revise length check. Revise arguments for output_lbranch call.
7529 Add long branch length attributes.
7530 (decrement_and_branch_until_zero): Add long branch length attributes.
7531 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7532 Likewise. Revise arguments for output_parallel_addb and
7533 output_parallel_movb calls.
7534 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7535 output_parallel_movb and output_parallel_addb): Update prototypes.
7536 * pa.c (output_cbranch): Revise arguments. Correct handling of
7537 nullification in long branches.
7538 (output_lbranch): Add new argument to control extraction of delay
7540 (output_bb): Handle long branches.
7541 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7542 output_parallel_addb): Likewise.
7544 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7546 PR rtl-optimization/27073
7547 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7550 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7552 * tree.h (tree_memory_tag): Add old_used_alone.
7553 (SMT_OLD_USED_ALONE): New macro.
7554 * tree-ssa-alias.c (recalculate_used_alone): Stop
7555 marking things for renaming unnecessarily.
7557 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7559 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7560 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7561 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7562 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7563 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7564 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7565 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7566 spelling convensions.
7567 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7568 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7569 typos. Follow spelling conventions.
7571 2006-04-07 DJ Delorie <dj@redhat.com>
7573 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7574 passed on the stack.
7575 (m32c_init_cumulative_args): When a function returns a structure,
7576 always pass the pointer to that return area on the stack.
7577 (m32c_function_arg_advance): Don't increment the parameter number
7578 if we're processing the returned structure pointer.
7579 (pushm_info): Reverse order of registers.
7581 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7583 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7584 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7585 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7586 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7588 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7589 chrec_fold_multiply): Same.
7590 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7591 force_expr_to_var_cost): Same.
7592 * tree-mudflap.c (mf_xform_derefs_1): Same.
7593 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7595 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7597 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7598 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7601 2006-04-07 Jan Hubicka <jh@suse.cz>
7603 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7605 2006-04-07 Richard Guenther <rguenther@suse.de>
7607 PR tree-optimization/26135
7608 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7609 loads for store copy-prop.
7610 (copy_prop_visit_stmt): Likewise.
7612 2006-04-05 Robert Millan <robertmh@gnu.org>
7614 * config/i386/linux.h: Add a comment to mark macros that are
7615 being overriden in config/k*bsd-gnu.h.
7616 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7618 * config/knetbsd-gnu.h: Ditto.
7620 2006-04-06 Jan Hubicka <jh@suse.cz>
7624 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7627 2006-04-06 Mike Stump <mrs@apple.com>
7629 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7630 for HAVE_nonlocal_goto to be consistent.
7631 (expand_builtin_nonlocal_goto): Likewise.
7632 (expand_builtin_strcmp): Use #ifdef instead of #if
7633 for HAVE_cmpstrnsi to be consistent.
7635 2006-04-05 DJ Delorie <dj@redhat.com>
7637 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7640 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7642 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7643 got-relative addressing for anything but SImode.
7645 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7646 even if the calling function doesn't modify them.
7648 2006-04-05 Richard Guenther <rguenther@suse.de>
7650 PR tree-optimization/26919
7651 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7652 to cgraph_estimate_size_after_inlining.
7654 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7656 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7658 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7660 PR tree-optimization/26996
7661 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7662 VECTOR_TYPE variables.
7664 2006-04-05 Richard Guenther <rguenther@suse.de>
7666 PR tree-optimization/26763
7667 * fold-const.c (fold_comparison): Move folding of
7668 PTR + CST CMP PTR + CST ...
7669 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7671 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7673 * doc/install.texi (Prerequisites): Refine some wording on
7674 bootstrapping and ksh.
7675 Move the version numbers of DejaGnu here from the testing section
7676 and fix casing of names.
7677 Fix markup and clarify wording for autogen requirements.
7678 Refer to GCJ instead of just java.
7679 Refer to SVN instead of CVS.
7680 Describe diffutils as useful instead of necessary.
7681 (Downloading the source): Refer to SVN instead of CVS.
7682 Adjust a link to our web site accordingly.
7683 (Configuration): Fix casing of Bison.
7684 (Building): Refer to SVN instead of CVS.
7685 Fix a sentence on the use of Bison and remove duplicate (and
7686 incorrect) version number of Bison requirement.
7687 Remove one redundant list of packages needed for building.
7688 (Specific): Avoid reference to CVS.
7690 2006-04-04 Eric Christopher <echristo@apple.com>
7692 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7693 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7694 (rs6000_handle_struct_attribute): New.
7695 (rs6000_ms_bitfield_layout_p): Ditto.
7697 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7699 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7700 NULL for dso parameter to atexit_common.
7702 2006-04-04 Eric Christopher <echristo@apple.com>
7704 * config/i386/i386.c (machopic_output_stub): Output \t
7705 between instructions and operands.
7707 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7709 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7710 satisfies_constraint_[IL] to explicit tests on value.
7712 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7714 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7715 set_nb_iterations_in_loop): Use build_int_cst instead of
7717 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7718 build_int_cst instead of convert.
7720 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7722 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7723 new value 2 for incoming.
7724 * function.c (expand_function_start): Call struct_value_rtx
7726 * config/sparc/sparc.md: Comment updated_return.
7727 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7728 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7729 struct return if sparc_std_struct_return and incoming is 2.
7730 (print_operand): Do not adjust return if
7731 sparc_std_struct_return.
7733 2006-04-04 Roger Sayle <roger@eyesopen.com>
7735 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7736 convert in the middle-end.
7737 * expr.c (store_expr, store_constructor, get_inner_reference,
7738 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7740 * tree.c (build_range_type): Likewise.
7742 2006-04-04 Tom Tromey <tromey@redhat.com>
7744 * doc/install.texi (Prerequisites): Mention jar.
7746 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7748 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7751 2006-04-04 Matthias Klose <doko@debian.org>
7753 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7757 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7760 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7762 * doc/extend.texi (Function Attributes): Rewrite visibility
7763 attribute documentation.
7764 * doc/invoke.texi (C++ Dialect Options): Rewrite
7765 -fvisibility-inlines-hidden documentation to describe something
7766 entirely different, although in practise compatible.
7767 (Code Gen Options): Warn about system headers in -fvisibility=
7770 * doc/extend.texi (Other Builtins): Document that
7771 __builtin_nan is a compile-time constant only when its argument
7774 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7776 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7777 trying to remove TRUNCATE check if all bits outside the new mode
7778 are identical to the sign bit.
7780 2006-04-03 Jeff Law <law@redhat.com>
7782 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7783 and operand scanning in some common cases.
7785 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7786 Dale Johannesen <dalej@apple.com>
7789 * regclass.c (struct reg_pref): Update documentation.
7790 (regclass): Set prefclass to NO_REGS if memory is the best option.
7791 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7792 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7793 into account. For non-registers, equate an empty preferred
7794 reload class to a `!' in the constraint; move the if clause to
7795 do so after those that reject the insn.
7796 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7798 (find_dummy_reload): Likewise.
7799 * doc/tm.texi (Register Classes): Document what it means
7800 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7801 * config/i386/i386.c (ix86_preferred_reload_class): Force
7802 using SSE registers (and return NO_REGS for floating-point
7803 constants) if math is done with SSE.
7804 (ix86_preferred_output_reload_class): New.
7805 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7806 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7807 * config/i386/i386.md: Remove # register preferences.
7809 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7812 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7813 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7814 the type of nb_iter.
7815 (instantiate_parameters_1): Convert the operands before calling
7816 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7817 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7819 2006-04-02 Roger Sayle <roger@eyesopen.com>
7821 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7822 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7824 * dojump.c (do_jump): Likewise.
7825 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7826 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7827 gimplify_boolean_expr): Likewise.
7828 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7829 * varasm.c (array_size_for_constructor): Likewise.
7830 * tree-object-size.c (compute_object_offset): Likewise.
7832 2006-04-02 Roger Sayle <roger@eyesopen.com>
7835 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7836 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7838 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7840 PR tree-optimization/26939
7841 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7843 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7845 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7846 at_stmt. Convert the type of operands before calling
7847 build_polynomial_chrec.
7848 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7850 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7851 (instantiate_parameters_1): Convert the type of operands before calling
7852 build_polynomial_chrec.
7853 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7854 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7855 reset_evolution_in_loop): Insert asserts to check the types of the
7857 (chrec_type): Moved...
7858 (eq_evolutions_p): Use operand_equal_p.
7859 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7860 the types of the operands.
7861 (chrec_type): ...here.
7862 * tree-data-ref.c (create_data_ref): Convert the operands before
7863 calling chrec_replace_initial_condition.
7864 (same_access_functions, analyze_subscript_affine_affine,
7865 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7866 (compute_subscript_distance, analyze_ziv_subscript,
7867 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7868 analyze_miv_subscript): Convert the operands before calling
7869 chrec_fold_minus or chrec_fold_plus.
7871 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7873 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7874 the dependence_relations vector.
7875 (compute_data_dependences_for_loop): Adjust call to
7876 compute_all_dependences.
7878 2006-04-01 Roger Sayle <roger@eyesopen.com>
7879 Richard Henderson <rth@redhat.com>
7881 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7882 gimple_boolify on the condition before calling gimplify_expr.
7884 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7886 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7887 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7888 the frame size. Update to use the new macros.
7889 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7890 * config/xtensa/ieee754-df.S: Likewise.
7892 2006-03-31 Richard Henderson <rth@redhat.com>
7894 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7895 (make_edges): ... here. Control fallthru creation with a local
7896 variable. Do not play with fake edges.
7897 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7898 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7901 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7903 * dwarf2.h (DW64_CIE_ID): Define.
7904 * dwarf2out.c (DWARF_CIE_ID): Define.
7905 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7906 length header. Use DWARF_CIE_ID.
7907 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7908 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7910 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7912 * config/sh/linux-atomic.asm: New file.
7913 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7915 2006-03-31 DJ Delorie <dj@redhat.com>
7917 * config/m32c/cond.md: Set condition flags properly throughout.
7918 * config/m32c/minmax.md: Likewise.
7919 * config/m32c/prologue.md: Likewise.
7920 * config/m32c/bitops.md: Likewise.
7921 * config/m32c/muldiv.md: Likewise.
7922 * config/m32c/mov.md: Likewise.
7923 * config/m32c/addsub.md: Likewise.
7924 * config/m32c/m32c.md: Likewise.
7925 * config/m32c/jump.md: Likewise.
7926 * config/m32c/shift.md: Likewise.
7928 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7929 conditionally output the pattern for this.
7930 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7931 (m32c_compare_redundant): New.
7932 (m32c_output_compare): New.
7933 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7935 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7936 dest, not src. Allow other 4-byte modes.
7938 2006-03-30 Denis Chertykov <denisc@overta.ru>
7940 * doc/md.texi: Refer to avr/constraints.md instead of
7943 2006-03-30 Roger Sayle <roger@eyesopen.com>
7945 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7946 signed vs. unsigned comparison failures on some hosts.
7948 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7951 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7952 change to FLOAT_REGS.
7954 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7955 (rs6000_override_options): Use it.
7956 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7957 only for -mabi=spe/no-spe and -mabi=altivec.
7959 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7961 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7964 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7966 * Makefile.in: Rename docdir to gcc_docdir.
7968 2006-03-30 Roger Sayle <roger@eyesopen.com>
7971 * expr.c (emit_group_store): Optimize group stores into a pseudo
7972 register by using a paradoxical subreg to initialize the destination
7973 if the first or last member of the group specifies a "low part".
7975 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7978 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7979 * target.h (struct gcc_target.speculate_insn): Change type of the
7980 second parameter to 'int'.
7981 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7982 the second operand of the DEPS_LIST.
7983 (copy_DEPS_LIST_list): Update reference to the second operand of the
7985 * rtl.h (alloc_DEPS_LIST): Update signature.
7986 * sched-int.h (ds_t): Change typedef to 'int'.
7987 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7989 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7991 * haifa-sched.c (try_ready): Change condition to restore
7992 non-speculative pattern of the instruction.
7993 (process_insn_depend_be_in_spec): Code to keep probability of the
7994 speculative dependence non-decreasing.
7996 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7998 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7999 (single_move_for_movmem): ... this. Also change all uses.
8000 (bfin_expand_strmov): Renamed to...
8001 (bfin_expand_movmem): ... this. Also change all uses.
8002 * config/bfin/bfin.md (movstrsi): Renamed to...
8003 (movstrsi): ...this.
8005 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8007 PR tree-optimization/26830
8009 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8010 (copy_prop_visit_stmt): Remove write-only variable ann.
8011 (init_copy_prop): Check variable loop depth here. Do not simulate
8012 memory-tag and virtual operand PHIs except for store copy prop.
8014 2006-03-30 Richard Guenther <rguenther@suse.de>
8016 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8017 variants with double arguments.
8019 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8021 * genpreds.c (write_tm_constrs_h): Delete variable p.
8022 * genconditions.c (write_header): Add tm-constrs.h to included
8024 * genpeep.c (main): Add toplev.h to included headers.
8025 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8026 (build/genpeep.o): Add toplev.h dependency.
8027 * config/rs6000/constraints.md: Add "W" constraint.
8029 2006-03-29 Roger Sayle <roger@eyesopen.com>
8031 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8032 sizes by correctly testing whether the size fits a host integer.
8033 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8034 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8035 SImode range for the default sizetype and bitsizetype.
8037 2006-03-29 Roger Sayle <roger@eyesopen.com>
8039 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8040 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8041 quickly if the argument is already of the correct type.
8042 Call fold_build1 instead of build1. Tidy up blank lines.
8044 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8046 * genemit.c (main): Add tm-constrs.h to included headers.
8047 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8048 * genpeep.c (main): Add tm-constrs.h to included headers.
8049 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8050 (write_tm_constrs_h): this and write complete file.
8051 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8052 (write_insn_preds_c): Add tm-constrs.h to included headers.
8053 (gen_constrs): New variable.
8054 (parse_option): Parse "-c".
8055 (main): Invoke write_tm_constrs_h.
8056 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8057 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8058 (object_out_file): Add tm-constrs.h dependency.
8059 (insn-emit.o): Same.
8060 (insn-output.o): Same.
8061 (insn-peep.o): Same.
8062 (insn-preds.o): Same.
8063 (insn-recog.o): Same.
8064 (tm-constsr.h): New target.
8065 (s-constrs-h): New target.
8067 * config/rs6000/constraints.md: New file.
8068 * config/rs6000/rs6000.c: Include tm-constrs.h.
8069 (num_insn_constant_wide): Convert to satisfies_constraint.
8070 (rs6000_rtx_costs): Convert to satisfies_constraint.
8071 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8072 (CONST_OK_FOR_LETTER_P): Delete.
8073 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8074 (EXTRA_CONSTRAINT): Delete.
8075 (EXTRA_MEMORY_CONSTRAINT): Delete.
8076 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8077 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8078 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8079 satisfies_constraint.
8081 * config/i386/i386.c: Include tm-constrs.h.
8083 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8085 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8086 * tree-data-ref.c (find_data_references_in_loop,
8087 compute_data_dependences_for_loop): Use pointers to VEC.
8088 (analyze_all_data_dependences): Adjust calls.
8089 * tree-data-ref.h (find_data_references_in_loop,
8090 compute_data_dependences_for_loop): Adjust declarations.
8091 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8092 compute_data_dependences_for_loop.
8094 2006-03-29 Paul Brook <paul@codesourcery.com>
8096 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8099 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8101 PR tree-optimization/26859
8102 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8104 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8105 for the step after fold_convert.
8107 2006-03-29 Paul Brook <paul@codesourcery.com>
8109 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8110 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8112 2006-03-29 Paul Brook <paul@codesourcery.com>
8115 * targhooks.c (default_narrow_bitfield): New fuction.
8116 * targhooks.h (default_narrow_bitfield): add prototype.
8117 * target.h (gcc_target): Add narrow_volatile_bitfield.
8118 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8119 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8120 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8121 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8123 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8125 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8127 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8128 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8129 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8130 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8131 (s390_function_arg_float): Allow SDmode and DDmode values to be
8132 passed in floating point registers.
8133 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8134 check with SCALAR_FLOAT_MODE_P.
8135 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8137 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8139 PR tree-optimization/25985
8140 * tree-ssa-loop-niter.c (number_of_iterations_le,
8141 number_of_iterations_ne): Make comments more precise.
8142 (number_of_iterations_cond): Add only_exit argument. Use the
8143 fact that signed variables do not overflow only when only_exit
8145 (loop_only_exit_p): New.
8146 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8147 number_of_iterations_cond.
8149 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8151 PR tree-optimization/26643
8152 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8155 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8157 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8158 (divsi3_i4_int): Likewise.
8160 2006-03-28 Roger Sayle <roger@eyesopen.com>
8162 * expr.c (emit_group_store): Only create a new pseudo reg if the
8163 quantity it needs to hold isn't already a suitable pseudo.
8165 2006-03-28 Jeff Law <law@redhat.com>
8167 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8168 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8170 2006-03-28 Roger Sayle <roger@eyesopen.com>
8172 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8173 the equivalent ~X & Y, and the symmetry related transformations.
8174 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8175 ~X & Y, and symmetry related transforms.
8177 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8179 Revert my 2006-03-27 patches.
8181 2006-03-28 Roger Sayle <roger@eyesopen.com>
8183 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8184 ~(T1)X, when T1 and T2 are integer types of the same precision
8185 and (T2)X isn't an extension.
8187 2006-03-28 Jeff Law <law@redhat.com>
8189 PR tree-optimization/26796
8190 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8191 need EH edge cleanups rather than purging them immediately.
8192 (eliminate_degenerate_phis): Handle queued EH cleanups.
8194 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8196 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8199 2006-03-27 Roger Sayle <roger@eyesopen.com>
8202 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8203 cast BIT_NOT_EXPR operand to the correct type.
8205 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8207 * tree-loop-linear.c: Don't include varray.h.
8208 (gather_interchange_stats, try_interchange_loops,
8209 linear_transform_loops): Use VEC instead of VARRAY.
8210 * lambda-mat.c: Don't include varray.h.
8211 * tree-chrec.c: Same.
8212 * lambda-trans.c: Same.
8213 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8214 VEC instead of VARRAY.
8215 * tree-vectorizer.h: Idem.
8216 * tree-data-ref.c (dump_data_references,
8217 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8218 initialize_data_dependence_relation, finalize_ddr_dependent,
8219 compute_all_dependences, find_data_references_in_loop,
8220 compute_data_dependences_for_loop, analyze_all_data_dependences,
8221 free_dependence_relation, free_dependence_relations,
8222 free_data_refs): Idem.
8223 * tree-data-ref.h (data_reference_p, subscript_p): New.
8224 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8225 VEC instead of VARRAY.
8226 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8227 (find_data_references_in_loop, compute_data_dependences_for_loop,
8228 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8229 dump_data_dependence_relations, free_dependence_relations,
8230 free_data_refs): Adjust declaration.
8231 (lambda_transform_legal_p): Move declaration here...
8232 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8233 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8234 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8235 vect_analyze_data_refs): Use VEC instead of VARRAY.
8236 * lambda.h (lambda_transform_legal_p): ...from here.
8237 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8238 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8239 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8240 tree-chrec.o): Don't depend on VARRAY_H.
8242 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8244 * rtl.def (Copyright): Update date.
8245 (DEPS_LIST): Change type of the second operand to 'int'.
8246 * target.h (Copyright): Update date.
8247 (struct gcc_target.speculate_insn): Change type of the second parameter
8249 * lists.c (Copyright): Update date.
8250 (alloc_DEPS_LIST): Change signature. Update reference to the second
8251 operand of the DEPS_LIST.
8252 (copy_DEPS_LIST_list): Update reference to the second operand of the
8254 * rtl.h (Copyright): Update date.
8255 (alloc_DEPS_LIST): Update signature.
8256 * sched-int.h (Copyright): Update date.
8257 (ds_t): Change typedef to 'int'.
8258 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8260 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8262 * haifa-sched.c (Copyright): Update date.
8263 (try_ready): Change condition to restore non-speculative pattern
8265 (process_insn_depend_be_in_spec): Code to keep probability of the
8266 speculative dependence non-decreasing.
8268 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8270 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8271 shut up the compiler.
8273 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8275 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8276 to use lib prefix for target.
8277 ($(T)libic_invalidate_array_4-200.a): Likewise.
8278 ($(T)libic_invalidate_array_4a.a): Likewise.
8280 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8281 J"orn Rennecke <joern.rennecke@st.com>
8283 * superh.opt: New file.
8284 * sh.c (boardtype, osruntime): Remove.
8285 * superh.h (SUBTARGET_OPTIONS): Remove.
8286 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8288 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8289 arguments with ^ and/or [].
8291 * config.gcc (sh-*-*): Add quoting to account for quirk of
8293 Replace == with = in enable_incomplete_targets test.
8295 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8296 with MASK_LITTLE_ENDIAN.
8298 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8299 * config/sh/sh.opt: Added to some comments.
8300 * config/sh/superh.h: Removed some chaff.
8302 * config/sh/sh.opt: Add m4-[1234]00* options.
8303 * config/sh/sh.c (sh_handle_option): Likewise.
8304 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8305 (ic_invalidate_array_4-100.o): New rule.
8306 ($(T)libic_invalidate_array_4-100.a): Likewise.
8307 (ic_invalidate_array_4-200.o): Likewise.
8308 ($(T)libic_invalidate_array_4-200.a): Likewise.
8309 (ic_invalidate_array_4a.o): Likewise.
8310 ($(T)libic_invalidate_array_4a.a): Likewise.
8311 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8312 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8314 * config/sh/crt1.asm: Merged in profiling code.
8315 * config/sh/superh.h (STARTFILE_SPEC): Override.
8316 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8317 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8318 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8320 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8321 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8322 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8324 * sh.opt (mpretend-cmove): New option.
8325 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8326 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8327 (movsicc): Add TARGET_PRETEND_CMOVE code.
8329 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8331 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8332 s390_class_max_nregs): New function prototypes.
8333 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8334 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8335 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8336 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8338 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8340 * dwarf2out.c (add_location_or_const_value_attribute): Call
8341 tree_add_const_value_attribute if nothing else works.
8342 (reference_to_unused): New.
8343 (rtl_for_decl_init): Use reference_to_unused to decide whether
8344 to output an initializer.
8346 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8349 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8350 peephole removing spe frob_di_df_2.
8352 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8354 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8355 (subscript_dependence_tester_1): Declared.
8356 (print_dir_vectors, print_dist_vectors): New.
8357 (debug_data_dependence_relation): New.
8358 (dump_data_dependence_relation): Print more details.
8359 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8360 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8361 (save_dist_v, save_dir_v, add_outer_distances,
8362 build_classic_dist_vector_1): New.
8363 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8364 Don't test for lambda_vector_lexico_pos.
8365 (same_access_functions, add_multivariate_self_dist,
8366 add_other_self_distances, dir_from_dist): New.
8367 (build_classic_dir_vector): Replace implementation almost identical to
8368 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8370 (subscript_dependence_tester_1): New.
8371 (subscript_dependence_tester): Handle the lexicographically negative
8372 distance vectors by recomputing the dependence relation.
8373 (compute_affine_dependence): Remove parameter loop_nest_depth.
8374 (compute_self_dependence): Don't call compute_subscript_distance.
8375 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8376 Add a parameter for the loop_nest.
8377 (find_loop_nest_1, find_loop_nest): New.
8378 (compute_data_dependences_for_loop): Compute the loop nest, and give
8379 up if the nest is not well formed.
8380 * tree-data-ref.h (loop_p): New.
8381 (struct data_dependence_relation): Replace size_vect field with
8382 loop_nest, a vec of loops.
8383 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8384 (DDR_LOOP_NEST): New.
8385 (print_dir_vectors, print_dist_vectors,
8386 debug_data_dependence_relation): Declared.
8387 (index_in_loop_nest): New.
8388 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8389 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8392 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8394 * simplify-rtx.c (simplify_relational_operation): Call
8395 simplify_relational_operation_1 even if mode is VOIDmode.
8397 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8399 PR tree-optimization/26804
8400 * tree.h (DECL_CALL_CLOBBERED): New macro.
8401 (tree_decl_common): Add call_clobbered_flag.
8402 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8403 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8404 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8405 (mark_non_addressable): Ditto.
8406 * tree-ssa.c (verify_call_clobbered): New function.
8407 (verify_alias_info): Use it.
8408 * tree-pass.h (pass_reset_cc_flags): New prototype.
8409 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8410 (reset_cc_flags): New function.
8411 * passes.c (init_optimization_passes): Call reset_cc_flags after
8412 initializing referenced_vars.
8414 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8415 Roger Sayle <roger@eyesopen.com>
8418 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8419 to 1.0 for non-real operands. Implement A / A optimization for
8422 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8424 * config/i386/i386.c (size_cost): Correct the comment for
8425 cost of storing fp registers.
8426 (i386_cost): Likewise.
8427 (i486_cost): Likewise.
8428 (pentium_cost): Likewise.
8429 (pentiumpro_cost): Likewise.
8430 (k6_cost): Likewise.
8431 (athlon_cost): Likewise.
8432 (k8_cost): Likewise.
8433 (pentium4_cost): Likewise.
8434 (nocona_cost): Likewise.
8435 (generic64_cost): Likewise.
8436 (generic32_cost): Likewise.
8438 2006-03-24 Denis Chertykov <denisc@overta.ru>
8440 * config/avr/avr-protos.h (extra_constraint): Delete.
8441 (extra_constraint_Q): New declaration.
8442 * config/avr/constraints.md: New file.
8443 * config/avr/avr.md: Include it.
8444 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8445 (TMP_REGNO, ZERO_REGNO): Likewise.
8446 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8447 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8448 (extra_constraint): Delete.
8449 (extra_constraint_Q): Test for memory constraint 'Q'.
8450 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8451 (REG_CLASS_FROM_LETTER): Delete.
8452 (CONST_OK_FOR_LETTER_P): Delete.
8453 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8454 (EXTRA_CONSTRAINT): Delete.
8455 (TMP_REGNO): Delete.
8456 (ZERO_REGNO): Delete.
8458 2006-03-24 Jeff Law <law@redhat.com>
8460 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8461 directly. Call mark_new_vars_to_rename slightly earlier.
8463 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8465 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8467 (gen_compile_unit_die): Use new language types for Objective-C and
8469 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8470 DW_LANG_C_plus_plus.
8473 * config/t-darwin (crt3.o): Work around bug 26840.
8474 * config/darwin-crt3.c: Rewrite.
8475 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8477 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8479 * doc/invoke.texi: Document -femit-class-debug-always
8480 * common.opt: Add -femit-class-debug-always.
8482 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8484 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8485 index and base register.
8486 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8487 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8488 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8489 REGNO_OK_FOR_INDEX_P.
8490 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8492 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8493 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8494 REG_OK_FOR_BASE_P): Definitions removed.
8496 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8499 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8500 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8501 set yet or weren't marked as local yet.
8503 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8505 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8508 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8510 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8511 (rs6000_legitimate_small_data_p): Delete.
8512 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8513 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8514 and make static. Add forward declaration. Update uses.
8515 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8516 of offsettable_memref_p.
8517 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8518 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8520 2006-03-24 Jeff Law <law@redhat.com>
8522 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8523 around bug in immediate-use iterator.
8525 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8528 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8529 or __LITTLE_ENDIAN__.
8531 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8533 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8534 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8535 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8536 * config/sh/sh.opt (mdiv=): Amend description.
8537 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8538 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8539 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8540 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8541 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8542 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8543 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8544 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8545 TARGET_DIVIDE_CALL_FP.
8547 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8549 * haifa-sched.c (choose_ready): Fix type of the local variable.
8550 Move local variables. Add comment.
8551 (check_reg_live): Change signature. Make callable from debugger.
8552 * sched-int.h (check_reg_live): Update signature.
8553 * sched-ebb.c (check_reg_live): Update parameters.
8554 * sched-rgn.c (check_reg_live): Ditto.
8555 (region_head_or_leaf_p): Check pointer before dereferencing.
8556 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8557 before reload on optimization levels below 1.
8559 2006-03-23 Richard Henderson <rth@redhat.com>
8561 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8565 * config/alpha/predicates.md (local_symbolic_operand): Reject
8568 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8571 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8572 expressions which have overflowed constants.
8574 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8576 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8578 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8580 * cfgloopmanip.c (create_loop_notes): Removed.
8581 * final.c (final_scan_insn): Do not handle loop notes.
8582 * jump.c (squeeze_notes): Ditto.
8583 * cfglayout.c (skip_insns_after_block,
8584 duplicate_insn_chain): Ditto.
8585 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8587 * cfgloop.h (create_loop_notes): Declaration removed.
8589 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8591 * varasm.c (output_constant_pool): Restore fnname and fndecl
8593 (assemble_start_function): Adjust call accordingly.
8594 (assemble_end_function): Likewise.
8596 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8599 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8602 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8604 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8607 * system.h (ICE_EXIT_CODE): New macro.
8608 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8609 (diagnostic_action_after_output): Likewise.
8610 * gcc.c (fatal_ice): New function.
8611 (execute): Use it instead of fatal.
8612 (fancy_abort): Likewise.
8613 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8615 2006-03-22 Jeff Law <law@redhat.com>
8617 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8618 iv_analyze_result returning false.
8620 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8622 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8624 2006-03-22 Richard Henderson <rth@redhat.com>
8627 * except.c (duplicate_eh_regions_0): New.
8628 (duplicate_eh_region_1): Duplicate the children of the node as
8629 well as the node itself. Link them up properly.
8630 (duplicate_eh_region_2): Merge into ...
8631 (duplicate_eh_regions): ... here. Take copy_region argument, and
8632 copy only a sub-tree if asked. Simplify copying and fixup.
8633 (eh_region_outer_p): New.
8634 * except.h (duplicate_eh_regions): Update decl.
8635 (eh_region_outer_p): Declare.
8636 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8637 (lower_omp_master): Likewise.
8638 (lower_omp_ordered): Likewise.
8639 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8640 (move_stmt_r): Use it to remap labels. Handle recursion vs
8641 remap_decls_p properly.
8642 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8643 (find_outermost_region_in_block): New.
8644 (new_label_mapper): New.
8645 (move_sese_region_to_fn): Copy eh information to the new function
8647 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8649 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8652 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8654 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8655 into shared libraries.
8657 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8659 * doc/md.texi: Refer to i386/constraints.md instead of
8661 * config/i386/constraints.md: New file, extracted from...
8662 * config/i386/predicates.md: ...here.
8663 * config/i386/i386.md: Include constraints.md.
8665 2006-03-21 Jason Merrill <jason@redhat.com>
8667 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8670 * expr.c (init_block_move_fn): Force default visibility.
8671 (init_block_clear_fn): Likewise.
8672 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8673 * targhooks.c (default_external_stack_protect_fail): Likewise.
8675 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8677 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8678 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8679 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8680 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8681 (loadgp): Use mips_current_loadgp_style.
8682 (loadgp_noshared): New pattern.
8683 (sibcall_internal): Use MIPS_CALL.
8684 (sibcall_value_internal): Likewise.
8685 (sibcall_value_multiple_internal): Likewise.
8686 (call_internal): Likewise.
8687 (call_value_internal): Likewise.
8688 (call_value_multiple_internal): Likewise.
8689 (call_split): Use MIPS_CALL and add an 'S' constraint.
8690 (call_value_split): Likewise.
8691 (call_value_multiple_split): Likewise.
8692 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8693 (-mshared): New option.
8694 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8695 (mips_current_loadgp_style): Declare.
8696 * config/mips/mips.c (mips_classify_symbol): Avoid using
8697 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8698 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8699 TARGET_ABSOLUTE_ABICALLS.
8700 (override_options): Adjust comments. Improve the warning that is
8701 issued when -mabicalls and -G are used together.
8702 (mips_file_start): Remove comment.
8703 (mips_current_loadgp_style): New function.
8704 (mips_gnu_local_gp): New variable.
8705 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8707 (mips_output_function_prologue): Use mips_current_laodgp_style.
8708 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8709 the cprestore instruction.
8710 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8711 live for TARGET_ABSOLUTE_ABICALLS.
8712 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8713 (ASM_SPEC): Pass down -mshared and -mno-shared.
8714 (MIPS_CALL): New macro.
8715 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8717 * doc/invoke.texi (-mabicalls): Update documentation.
8718 (-mshared): Document.
8720 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8722 * config/ia64/unwind-hpux.c: New file.
8723 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8725 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8728 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8730 2006-03-21 Jeff Law <law@redhat.com>
8732 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8733 type conversions of a VR_VARYING source to a wider type.
8735 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8737 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8738 tm_file on Solaris 10 and later.
8739 (sparc64-*-solaris2*): Likewise.
8740 (sparc-*-solaris2*): Likewise.
8741 * config/sol26.h: Rename to config/sol2-6.h.
8742 * config/sol2-10.h: New file.
8744 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8747 * tree-ssa-pre.c (create_component_ref_by_pieces):
8750 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8753 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8754 return it immediately.
8756 2006-03-21 Michael Matz <matz@suse.de>
8758 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8760 (remove_arc, add_arc): Update num_out_arcs member.
8761 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8763 (cache_presence): New function.
8764 (compare_states_for_equiv): New function.
8765 (state_is_differed): Don't take number of outargs, adjust callers.
8766 Use new invariant for speeding up.
8767 (init_equiv_class): Create initial classes based on sorted
8769 (partition_equiv_class): Don't track out_arcs_num.
8770 (evaluate_equiv_classes): Call cache_presence on all states and
8773 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8775 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8776 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8777 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8778 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8780 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8781 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8782 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8783 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8784 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8786 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8787 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8788 (REGNO_REG_CLASS): ARGP is in PREGS.
8789 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8791 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8792 to deal with those addresses.
8793 * addresses.h: New file.
8794 * caller-save.c: Include "addresses.h".
8795 (init_caller_save): Use new base_reg_class function.
8796 * rtl-factoring.c: Include "addresses.h".
8797 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8798 * recog.c: Include "addresses.h".
8799 (preprocess_constraints): Use new base_reg_class function.
8800 * regrename.c: Include "addresses.h".
8801 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8802 functions. Keep track of a new var INDEX_CODE to compute valid
8804 (replace_oldest_value_addr): Likewise.
8805 (replace_oldest_value_mem): Use base_reg_class.
8806 * reload.c: Include "addresses.h".
8807 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8808 (find_reloads): Use new base_reg_class function.
8809 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8810 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8811 all callers and prototype changed.
8812 * reload1.c: Include "addresses.h".
8813 (maybe_fix_stack_asms): Use base_reg_class.
8814 * regclass.c: Include "addresses.h".
8815 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8816 (init_reg_autoinc): Use new base_reg_class function.
8817 (record_reg_classes): Likewise.
8818 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8819 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8820 Use new args to compute necessary class.
8822 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8823 regrename.o, rtl-factoring.o): Update dependencies.
8824 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8825 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8826 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8827 REG_OK_FOR_INDEX_P): Delete documentation.
8829 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8831 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8832 from V7 to V9 for Solaris 7 and above.
8834 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8836 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8837 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8838 argument pointers may not alias any other storage.
8839 * common.opt: Define option -fargument-noalias-anything.
8840 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8841 alias semantics is specified by flag_argument_noalias > 2.
8843 2006-03-20 Jeff Law <law@redhat.com>
8845 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8846 (pass_phi_only_cprop): Declare.
8847 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8849 * tree-ssa-dom.c (degenerate_phi_result): New function.
8850 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8851 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8852 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8853 (eliminate_degenerate_phis): Likewise.
8854 (pass_phi_only_cprop): New pass descriptor.
8855 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8856 support code. Callers updated.
8857 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8858 (store_copy_prop): Likewise.
8859 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8861 2006-03-20 Jason Merrill <jason@redhat.com>
8864 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8865 (push_visibility, pop_visibility): Likewise.
8866 * c-pragma.h: Declare them.
8868 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8870 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8872 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8873 parameter and use get_ebb_head_tail.
8874 (sh_md_init_global): Adjust uses of find_regmode_weight.
8876 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8878 * function.h (struct function) <x_tail_recursion_reentry>:
8879 Rename to x_stack_check_probe_note.
8880 (tail_recursion_reentry): Rename to stack_check_probe_note.
8881 * function.c: Replace tail_recursion_reentry with
8882 stack_check_probe_note everywhere.
8883 (expand_function_start): Only emit a note for
8884 stack_check_probe_note with -fstack-protect.
8885 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8887 * emit-rtl.c (remove_unnecessary_notes): Remove.
8888 (pass_remove_unnecessary_notes): Remove.
8889 * rtl.h (remove_unnecessary_notes): Remove prototype.
8890 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8891 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8892 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8894 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8897 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8898 (valid_in_set): Handle ARRAY_REF.
8899 Change "if min_variant or VH" to asserts.
8900 (create_component_ref_by_pieces): Handle ARRAY_REF.
8901 (create_expression_by_pieces): Likewise.
8902 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8904 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8906 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8907 is operand of switch, not str[0].
8909 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8911 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8912 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8914 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8916 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8917 end of insn_extra_address_constraint declaration.
8919 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8921 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8922 (no-sum-in-toc): Same.
8923 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8925 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8926 NO_FP_IN_TOC for -fPIC instead of mask.
8928 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8929 (BOOT_LDFLAGS): Delete.
8931 * config/rs6000/t-aix52: Same.
8933 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8934 (stmsi[345678]_power): New.
8936 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8938 * config/ia64/ia64.opt: Add empty line to end of file.
8940 2006-03-17 Richard Guenther <rguenther@suse.de>
8943 * builtins.c (get_pointer_alignment): For component style references
8944 adjust alignment to the component type alignment. Make sure
8945 to adjust alignment for component access of constants.
8947 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8949 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8952 2006-03-17 Paul Brook <paul@codesourcery.com>
8954 * doc/install.texi: Docuemnt --with-mode.
8955 * config.gcc: Add --with-mode for arm*-*-*.
8956 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8958 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8960 * sh.c (max_labelno_before_reorg): New variable.
8961 (sh_reorg): Initialize it.
8962 (find_barrier): Check max_labelno_before_reorg before using
8963 label_to_alignment. Take length of explicit alignment insns
8964 into account. When seeing a UNSPECV_CONST_END, return it.
8966 * sh.c (fixup_mova): Set mode of affected label to QImode.
8967 (untangle_mova): New function.
8968 (find_barrier): Use it. Check mode of label before decrementing
8970 (sh_reorg): Likewise.
8971 Set mode of all insns back to VOIDmode.
8973 * sh.c (MOVA_LABELREF): New macro.
8974 (mova_p, fixup_mova, sh_reorg): Use it.
8975 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8976 ADDR_DIFF_VEC matches mova.
8978 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8980 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8981 with ATTRIBUTE_UNUSED.
8983 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8985 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8986 pointer, instead of assuming it is possible to derive the
8987 correct args size from a call insn.
8989 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8991 * rtl.h (CONST_INT_P): Define.
8992 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8993 instead of GET_CODE(x) == CONST_INT.
8994 (vax_rtx_costs): Likewise.
8995 (vax_output_int_move): Likewise.
8996 (vax_output_int_add): Likewise.
8997 (legitimate_constant_address_p): Likewise.
8998 (index_term_p): Likewise.
8999 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9000 * config/vax/vax.md (and<mode>3): Likewise.
9001 (ashrsi3): Likewise.
9003 (movstricthi): Likewise.
9004 (movstrictqi): Likewise.
9005 (rotrsi3): Likewise.
9006 (five unnamed insns): Likewise.
9008 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9010 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9011 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9012 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9013 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9014 Pass to ASM_OUTPUT_DWARF_OFFSET.
9015 * dwarf2out.c (debug_frame_section): New.
9016 (output_call_frame_info): Use debug_frame_section. Pass it to
9017 dw2_asm_output_offset.
9018 (output_die): Pass appropriate section to dw2_asm_output_offset.
9019 (output_compilation_unit_header): Likewise.
9020 (output_pubnames): Likewise.
9021 (output_aranges): Likewise.
9022 (enum dw_val_class): Break dw_val_class_lbl_offset into
9023 dw_val_class_lineptr and dw_val_class_macptr.
9024 (add_AT_lbl_offset): Delete.
9025 (add_AT_lineptr): New.
9026 (add_AT_macptr): New.
9027 (AT_lbl): Expect a lineptr or macptr.
9028 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9029 (attr_checksum): Likewise.
9030 (same_dw_val_p): Likewise.
9031 (size_of_die): Likewise.
9032 (value_format): Likewise.
9033 (output_die): Likewise.
9034 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9036 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9037 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9038 * config/darwin-protos.h (darwin_file_start): New.
9039 (darwin_asm_output_dwarf_offset): New.
9040 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9041 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9043 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9044 if not EH section; simplify.
9045 (darwin_file_start): New.
9046 (darwin_asm_output_dwarf_offset): New.
9047 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9049 (DEBUG_INFO_SECTION): Likewise.
9050 (DEBUG_ABBREV_SECTION): Likewise.
9051 (DEBUG_ARANGES_SECTION): Likewise.
9052 (DEBUG_MACINFO_SECTION): Likewise.
9053 (DEBUG_LINE_SECTION): Likewise.
9054 (DEBUG_LOC_SECTION): Likewise.
9055 (DEBUG_PUBNAMES_SECTION): Likewise.
9056 (DEBUG_STR_SECTION): Likewise.
9057 (DEBUG_RANGES_SECTION): Likewise.
9058 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9059 (ASM_OUTPUT_DWARF_OFFSET): New.
9061 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9063 * config.gcc (tm_defines): Always add to previous value rather
9066 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9068 * config/mips/predicates.md (splittable_const_int_operand): New,
9069 split from move_operand.
9070 (splittable_symbolic_operand): New.
9071 (move_operand): Add commentary. Use splittable_const_int_operand.
9072 Inline mips_atomic_symbolic_constant_p.
9073 * config/mips/mips.md: Add combine splitters for handling moves
9074 of splittable_const_int_operands and splittable_symbolic_operands.
9075 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9076 (mips_split_symbol): Declare.
9077 (mips_move_integer): Declare.
9078 * config/mips/mips.c (mips_split_p): Make global.
9079 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9080 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9081 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9082 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9083 (mips_offset_within_object_p): Handle block symbols.
9084 (mips_atomic_symbolic_constant_p): Delete.
9085 (mips_cannot_force_const_mem): Return false for constants that
9086 mips_legitimize_move can handle.
9087 (mips_use_blocks_for_constant_p): New function.
9088 (mips_split_symbol): Make global.
9089 (mips_move_integer): Likewise. Add a temporary register argument.
9090 (mips_legitimize_const_move): Use splittable_const_int_operand and
9091 splittable_symbolic_operand.
9092 (mips_use_anchors_for_symbol_p): New function.
9093 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9094 (mips_split_p): Declare.
9096 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9098 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9099 (mips*-*-linux*): Likewise.
9101 2006-03-16 Roger Sayle <roger@eyesopen.com>
9102 Daniel Speyer <dspeyer@wam.umd.edu>
9105 * tree-dump.c (dump_real): New function.
9106 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9107 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9108 (tree-dump.o): Add $(REAL_H) to the dependencies.
9110 2006-03-16 Roger Sayle <roger@eyesopen.com>
9113 * real.c (real_from_string): If the mantissa is zero, don't bother
9114 parsing the exponent as the result should always be zero.
9116 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9118 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9120 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9122 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9123 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9124 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9125 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9126 ia64_sched_finish_global): New static functions to implement
9127 hooks from gcc_target.sched.
9128 (spec_check_no, max_uid, pending_data_specs): New static variables.
9129 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9130 ia64_spec_check_src_p): New static functions.
9131 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9132 (TARGET_SCHED_ADJUST_COST): Removed.
9133 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9134 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9135 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9136 TARGET_SCHED_GEN_CHECK,
9137 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9138 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9139 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9140 Fixed to handle speculation checks.
9141 (rtx_needs_barrier): Fixed to handle speculative loads and
9143 (ia64_variable_issue): Added code to count speculative loads and their
9145 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9147 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9149 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9151 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9152 (ia64_reorg): Reset stops_p to NULL after it is freed.
9153 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9154 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9155 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9157 (data_speculative, control_speculative, check_load): New attributes.
9158 (mov<mode>_advanced, mov<mode>_speculative,
9159 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9160 zero_extend<mode>di2_speculative,
9161 zero_extend<mode>di2_speculative_advanced): New patterns for
9162 data and control speculative loads.
9163 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9165 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9166 New pattern for data and control speculation checks.
9167 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9168 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9169 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9170 Auxiliary definitions for the patterns.
9171 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9172 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9174 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9176 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9177 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9178 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9179 New resource constraints.
9180 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9182 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9183 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9184 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9185 msched-in-control-spec, msched-ldc, msched-control-ldc,
9186 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9187 msched-prefer-non-control-spec-insns,
9188 msched-count-spec-in-critical-path): New flags to tune speculative
9190 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9191 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9192 msched-in-control-spec, msched-ldc, msched-control-ldc,
9193 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9194 msched-prefer-non-control-spec-insns,
9195 msched-count-spec-in-critical-path): Document new flags.
9197 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9199 * target.h (struct spec_info_def): New opaque declaration.
9200 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9201 speculate_insn, needs_block_p, gen_check,
9202 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9203 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9204 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9205 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9206 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9207 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9209 (TARGET_SCHED): Use new macros.
9210 * rtl.h (copy_DEPS_LIST_list): New prototype.
9211 * sched-int.h (struct sched_info): Change signature of new_ready field,
9212 adjust all initializations. New fields: add_remove_insn,
9213 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9214 region_head_or_leaf_p.
9215 (struct spec_info_def): New structure declaration.
9216 (spec_info_t): New typedef.
9217 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9218 recovery_block, orig_pat.
9219 (glat_start, glat_end): New variables declaraions.
9220 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9222 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9223 DETACH_LIFE_INFO, USE_GLAT.
9224 (enum SPEC_SCHED_FLAGS): New enumeration.
9225 (NOTE_NOTE_BB_P): New macro.
9226 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9227 attach_life_info, debug_spec_status, check_reg_live): New functions.
9228 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9229 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9231 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9232 * ddg.c (get_block_head_tail): Adjust all uses.
9233 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9234 (sms_sched_info): Initialize new fields.
9235 (contributes_to_priority): Removed.
9236 * haifa-sched.c (params.h): New include.
9237 (get_block_head_tail): Adjust all uses.
9238 (ISSUE_POINTS): New macro.
9239 (glat_start, glat_end): New global variables.
9240 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9241 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9242 old_last_basic_block, before_recovery, current_sched_info_var,
9243 rgn_n_insns, luid): New static variables.
9244 (insn_cost1): New function. Move logic from insn_cost to here.
9245 (find_insn_reg_weight1): New function. Move logic from
9246 find_insn_reg_weight to here.
9247 (reemit_notes, move_insn, max_issue): Change signature.
9248 (move_insn1): Removed.
9249 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9250 extend_bb): New static functions to support extension of scheduler's
9252 (generate_recovery_code, process_insn_depend_be_in_spec,
9253 begin_speculative_block, add_to_speculative_block,
9254 init_before_recovery, create_recovery_block, create_check_block_twin,
9255 fix_recovery_deps): New static functions to support
9256 generation of recovery code.
9257 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9258 restore_bb_notes, move_block_after_check, move_succs): New static
9259 functions to support ebb scheduling.
9260 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9261 functions to support handling of register live information.
9262 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9263 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9264 add_jump_dependencies): New static functions.
9265 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9266 consistancy checking.
9267 (debug_spec_status): New function to call from debugger.
9268 (priority): Added code to handle speculation checks.
9269 (rank_for_schedule): Added code to distinguish speculative instructions.
9270 (schedule_insn): Added code to handle speculation checks.
9271 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9272 Fixed to handle ebbs.
9273 (move_insn): Added code to handle ebb scheduling.
9274 (max_issue): Added code to use ISSUE_POINTS of instructions.
9275 (choose_ready): Added code to choose between speculative and
9276 non-speculative instructions.
9277 (schedule_block): Added code to handle ebb scheduling and scheduling of
9278 speculative instructions.
9279 (sched_init): Initialize new variables.
9280 (sched_finish): Free new variables. Print statistics.
9281 (try_ready): Added code to handle speculative instructions.
9282 * lists.c (copy_DEPS_LIST_list): New function.
9283 * sched-deps.c (extend_dependency_caches): New function. Move logic
9284 from create_dependency_caches to here.
9285 (get_dep_weak, ds_merge): Make global.
9286 * genattr.c (main): Code to output prototype for
9287 dfa_clear_single_insn_cache.
9288 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9289 (output_dfa_clean_insn_cache_func): Code to output
9290 dfa_clear_single_insn_cache function.
9291 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9293 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9295 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9296 New static variables.
9297 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9298 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9300 (ebb_sched_info): Initialize new fields.
9301 (get_block_head_tail): Adjust all uses.
9302 (compute_jump_reg_dependencies): Fixed to use glat_start.
9303 (schedule_ebb): Code to remove unreachable last block.
9304 (schedule_ebbs): Added code to update register live information.
9305 * sched-rgn.c (region_sched_info): Initialize new fields.
9306 (get_block_head_tail): Adjust all uses.
9307 (last_was_jump): Removed. Adjust users.
9308 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9309 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9310 Implement new hooks.
9311 (check_dead_notes1): New static function.
9312 (struct region): New fields: dont_calc_deps, has_real_ebb.
9313 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9314 (BB_TO_BLOCK): Fixed to handle EBBs.
9315 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9316 (ebb_head): New static variable.
9317 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9318 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9320 (compute_dom_prob_ps): New assertion.
9321 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9322 global_live_at_start.
9323 (init_ready_list): New assertions.
9324 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9325 (new_ready): Add support for BEGIN_CONTROL speculation.
9326 (schedule_insns): Fixed code that updates register live information
9328 (schedule_region): Fixed to handle EBBs.
9329 (init_regions): Use extend_regions and check_dead_notes1.
9330 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9331 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9332 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9333 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9334 TARGET_SCHED_GEN_CHECK,
9335 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9336 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9337 * doc/invoke.texi (max-sched-insn-conflict-delay,
9338 sched-spec-prob-cutoff): Document.
9340 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9342 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9343 inter_tick, queue_index.
9344 (struct sched_info): Change signature of init_ready_list field.
9345 Adjust all initializations.
9346 (RESOLVED_DEPS): New access macro.
9347 (ready_add): Remove prototype.
9348 (try_ready): Add prototype.
9349 * sched-rgn.c (init_ready_list): Use try_ready.
9350 (schedule_region): Initialize
9351 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9352 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9353 (init_ready_list): Use try_ready.
9354 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9355 * lists.c (remove_list_elem): Remove `static'.
9356 (remove_free_INSN_LIST_elem): New function.
9357 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9358 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9359 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9361 (readyp): New variable.
9362 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9363 change_queue_index, resolve_dep): New static functions.
9364 (try_ready): New function. Adjust callers in sched-rgn.c and
9365 sched-ebb.c to use it instead of ready_add.
9366 (clock_var): Move at the begining of file.
9367 (rank_for_schedule): Fix typo.
9368 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9369 (ready_lastpos): Enforce assertion.
9370 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9372 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9373 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9374 (queue_to_ready): Use free_INSN_LIST_list.
9375 (early_queue_to_ready): Fix typo.
9376 (schedule_block): Init readyp. Move init_ready_list call after the
9377 initialization of clock_var. Fix error in rejecting insn by
9378 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9379 that previously corrected INSN_TICKs. Add code for handling
9381 (set_priorities): Fix typo.
9382 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9383 Clarify comment and code that keeps current_sched_info->next_tail
9386 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9388 * sched-rgn.c (extend_rgns): New static function.
9389 (find_rgns): Use it.
9390 (gather_region_statistics, print_region_statistics): New static
9392 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9393 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9395 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9396 Andrey Belevantsev <abel@ispras.ru>
9398 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9399 * lists.c (unused_deps_list): New variable.
9400 (free_list): Add assertions to verify the proper distinguishing
9401 between INSN_LISTs and DEPS_LISTs.
9402 (find_list_elem, remove_list_elem, remove_list_node): New static
9404 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9405 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9406 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9407 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9409 (free_INSN_LIST_node): Likewise.
9410 * modulo-sched.c (current_sched_info): Initialize flags field.
9411 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9412 * rtl.def (DEPS_LIST): Define.
9413 * rtl.h: Declare new functions from lists.c.
9414 * sched-deps.c (spec_dependency_cache): New static variable.
9415 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9416 (add_dependence): Change return type to void. Move the logic to ...
9417 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9418 (delete_all_dependences): Add comment about forward_dependency_cache.
9419 Handle spec_dependency_cache. Handle DEPS_LISTs.
9420 (fixup_sched_groups): Clarify the change of priority of output
9421 and anti dependencies.
9422 (sched_analyze_2): Adjust add_dependence calls to create data
9423 speculative dependence.
9424 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9425 Adjust all callers. Handle DEPS_LISTS.
9426 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9427 presence of speculation.
9428 (init_dependency_caches, free_dependency_caches):
9429 Handle spec_dependency_cache.
9430 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9431 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9432 New static functions.
9433 (add_or_update_back_dep, add_or_update_back_forw_dep,
9434 add_back_forw_dep, delete_back_forw_dep): New functions.
9435 * sched-int.h (ds_t, dw_t): New typedefs.
9436 (struct sched_info): Add new field flags.
9437 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9438 Prototype new sched-deps.c functions.
9439 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9440 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9441 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9442 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9443 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9444 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9446 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9448 * sched-rgn.c (current_sched_info): Initialize flags field.
9449 (schedule_insns): Initialize current_sched_info before the sched_init
9451 * sched-ebb.c (current_sched_info): Initialize flags field.
9452 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9453 Call add_or_update_back_dep instead of add_dependence.
9454 Create control speculative dependencies.
9455 (schedule_insns): Initialize current_sched_info before the sched_init
9458 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9460 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9462 (sh_fallback_frame_state): Likewise.
9464 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9466 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9467 Do switch on default_use_cxa_atexit.
9468 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9469 * config/darwin-crt3.o: New.
9470 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9471 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9472 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9474 * config/rs6000/t-darwin: Move crt2.o building to here.
9475 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9476 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9479 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9481 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9482 from '! xxx' to '!xxx' for coding-style conformance.
9483 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9484 (EXTRA_CONSTRAINT): Likewise.
9485 * config/vax/vax.md (four unnamed insns): Likewise.
9487 2006-03-15 Paul Brook <paul@codesourcery.com>
9489 * config/arm/arm.c (minipool_pad): New.
9490 (add_minipool_forward_ref): Include pool alignment padding in address
9492 (push_minipool_fix): Set minipool_pad.
9493 (minipool_pad): Ditto.
9495 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9497 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9498 instead of GET_CODE() == MEM and REG_P() instead of
9500 (print_operand_address): Likewise.
9501 (vax_address_cost): Likewise.
9502 (vax_rtx_costs): Likewise.
9503 (vax_notice_update_cc): Likewise.
9504 (vax_output_int_add): Likewise.
9505 (INDEX_REGISTER_P): Likewise.
9506 (BASE_REGISTER_P): Likewise.
9507 (nonindexed_address_p): Likewise.
9508 (vax_mode_dependent_address_p): Likewise.
9509 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9510 (PRINT_OPERAND): Likewise.
9511 * config/vax/vax.md (ashlsi3): Likewise.
9512 (ashlsi3): Likewise.
9513 (some more unnamed insns): Likewise.
9515 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9517 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9518 iterator-style macro.
9519 (mark_control_dependent_edges_necessary): Update the use of
9520 EXECUTE_IF_CONTROL_DEPENDENT.
9522 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9524 * config/sh/predicates.md (cache_address_operand): Special.
9525 (ua_address_operand): Likewise.
9527 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9529 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9531 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9533 2006-03-15 Andreas Schwab <schwab@suse.de>
9535 * gensupport.c (identify_predicable_attribute): Don't free p_false
9536 when it is still in use.
9538 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9540 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9541 the default setting here.
9543 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9545 * tree-pass.h (pass_cfg): Remove.
9546 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9547 * passes.c (pass_cfg): Don't run it.
9549 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9551 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9552 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9554 (stack_regs_mentioned): Update the uses of
9555 stack_regs_mentioned_data. Don't access the array beyond its
9557 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9558 Don't include gt-reg-stack.h.
9560 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9561 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9563 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9566 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9569 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9571 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9573 2006-03-14 Richard Guenther <rguenther@suse.de>
9575 PR tree-optimization/26672
9576 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9579 2006-03-14 Richard Guenther <rguenther@suse.de>
9581 PR tree-optimization/26667
9582 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9583 node for the callees. Always allow inlining if it will shrink
9586 2006-03-14 Richard Guenther <rguenther@suse.de>
9589 * builtins.c (get_pointer_alignment): Prefer alignment
9590 information from decls over that from types.
9592 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9595 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9597 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9599 * config/rs6000/rs6000.opt (mdlmzb): New option.
9600 (msched-prolog, msched-epilog): Use Var not Mask.
9601 * doc/invoke.texi (-mdlmzb): Document.
9602 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9604 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9605 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9607 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9609 PR rtl-optimization/25739
9610 * bt-load.c (augment_live_range): Free tos pointer.
9612 * gensupport.c (identify_predicable_attribute): Free
9614 * gcov.c (create_file_names): Free name pointer.
9616 2006-03-13 Roger Sayle <roger@eyesopen.com>
9619 * stmt.c (emit_case_nodes): Handle the case where the index is a
9620 CONST_INT, where the comparison mode is specified by the index type.
9622 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9624 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9627 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9629 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9630 (*branch_fp_inverted): Likewise.
9632 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9635 * omp-low.c (expand_omp_for_generic): Mark istart0
9636 and iend0 as addressable.
9638 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9640 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9642 2006-03-13 Jeff Law <law@redhat.com>
9644 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9645 virtual operands are interesting.
9646 (vrp_visit_stmt): Corresponding changes.
9648 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9650 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9652 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9653 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9654 * config/bfin/crti.S: Use it instead of __PIC__.
9655 * config/bfin/crtn.S: Likewise.
9657 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9658 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9660 Lose 'G' modifier for call operand.
9661 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9662 recognize 'G' modifier.
9664 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9667 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9668 * stmt.c (expand_case): Likewise.
9670 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9672 PR rtl-optimization/26254
9673 * loop-invariant.c (seq_insns_valid_p): New function.
9674 (move_invariant_reg): Only emit new code if it is valid.
9676 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9678 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9680 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9681 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9682 (commit_one_edge_insertion): Do not look for loop notes.
9684 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9686 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9687 flag_test_coverage out of loop.
9689 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9691 * final.c (shorten_branches): Remove outdated comment, and turn
9692 the if branch that guards it to continue.
9694 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9696 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9697 * cfgloop.h (struct loop): Remove unused fields.
9699 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9701 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9702 (-dL, -fdump-rtl-loop2): Update the dump file names
9704 * doc/invoke.texi: Update dump file names.
9706 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9708 * predict.c (estimate_probability): Remove.
9709 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9710 * basic-block.h (estimate_probability): Remove prototype.
9711 * passes.c (finish_optimization_passes): Dump branch prediction or
9712 profiling heuristics to the .profile tree dump.
9713 (init_optimization_passes): Unqueue pass_branch_prob.
9715 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9717 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9719 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9720 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9722 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9724 * function.h (frame_offset_overflow): Declare.
9725 * function.c (frame_offset_overflow): New function.
9726 (assign_stack_local_1): Call it to detect that the offset overflows.
9727 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9729 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9731 * config/sh/sh.c: Include alloc-pool.h.
9732 (label_ref_list_pool): New alloc pool.
9733 (label_ref_list_t): New type for lists of labels.
9734 (struct pool_node): Make wend a label_ref_list_t.
9735 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9737 (dump_table): Likewise.
9738 (sh_reorg): Set up the alloc pool before using add_constant and
9739 dump_table, and destroy it when finishing.
9741 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9743 * config/mips/mips.c: Remove redundant comment.
9745 2006-03-10 Jason Merrill <jason@redhat.com>
9748 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9749 the target was declared 'register'.
9751 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9753 * genpreds.c (write_insn_constraint_len): Change definition of
9754 insn_constraint_len to return size_t to match the declaration.
9756 2006-03-10 DJ Delorie <dj@redhat.com>
9758 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9760 (m32c_expand_insv): Fix test for an AND mask.
9762 2006-03-10 Richard Guenther <rguenther@suse.de>
9765 * builtins.c (get_pointer_alignment): Handle component
9766 references for field alignment.
9768 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9770 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9771 when building with libgloss.
9772 (sh*elf): Implement --without-fp option.
9773 (sh64-superh-linux*): Don't multilib.
9775 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9777 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9779 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9781 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9782 Set it when one of the replacement functions returned true.
9783 Return TODO_cleanup_cfg if cfgchanged is true.
9784 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9786 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9788 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9789 instead of gen_lowpart.
9791 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9793 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9795 (mips_output_order_conditional_branch): Declare.
9796 * config/mips/mips.h (MIPS_BRANCH): New macro.
9797 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9798 for the comparison. Use gen_condjump.
9799 (mips_output_conditional_branch): Rework interface to take the
9800 asm templates for a direct branch and the inverse of a direct branch.
9801 (mips_output_order_conditional_branch): New function.
9802 (mips_builtin_branch_and_move): New function.
9803 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9804 branch condition. Use gen_single_cc as the condition for
9805 __builtin_mips_upper_* or __builtin_mips_lower_*.
9806 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9807 Use VOIDmode for the branch condition.
9808 * config/mips/predicates.md (order_operator): New predicate.
9809 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9810 (branch_fp): Rename to...
9811 (*branch_fp): ...this. Remove mode from comparison operator.
9812 Use new mips_output_conditional_branch interface.
9813 (branch_fp_inverted): Rename to...
9814 (*branch_fp_inverted): ...this and update as for *branch_fp.
9815 (*branch_zero<mode>): Rename to...
9816 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9817 Use mips_output_order_conditional_branch. Only accept ordered
9819 (*branch_zero<mode>_inverted): Rename to...
9820 (*branch_order<mode>_inverted): ...this and update as for
9821 *branch_order<mode>.
9822 (*branch_equality<mode>): Accept zero as the second operand to
9823 the equality operator. Use the new mips_output_conditional_branch
9825 (*branch_equality<mode>_inverted): Likewise.
9826 (condjump): New expander.
9827 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9829 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9830 (bc1any2t, bc1any2f): Likewise.
9831 (single_cc): New expander.
9832 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9834 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9836 * doc/md.texi: Update documentation of MIPS constraints.
9837 * config/mips/constraints.md: New file.
9838 * config/mips/mips.md: Include it.
9839 * config/mips/mips.c (mips_char_to_class): Delete.
9840 (override_options): Don't initialize mips_char_to_class.
9841 * config/mips/mips.h (mips_char_to_class): Delete.
9842 (REG_CLASS_FROM_LETTER): Delete.
9843 (CONST_OK_FOR_LETTER_P): Delete.
9844 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9845 (EXTRA_CONSTRAINT_Y): Delete.
9846 (EXTRA_CONSTRAINT_STR): Delete.
9847 (CONSTRAINT_LEN): Delete.
9848 (EXTRA_MEMORY_CONSTRAINT): Delete.
9850 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9852 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9853 original fn's eh regions.
9855 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9857 * fold-const.c (build_range_check): Make sure to use a valid type to
9858 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9861 (range_predecessor): New static function.
9862 (range_successor): Likewise.
9863 (merge_ranges): Use them to compute predecessors and successors of
9866 2006-03-09 Roger Sayle <roger@eyesopen.com>
9869 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9870 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9872 2006-03-08 DJ Delorie <dj@redhat.com>
9874 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9875 (addpsi3): Expand to include memory operands. Remove
9876 reload-specific splits.
9877 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9878 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9879 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9880 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9881 (shift1_qi, shift1_hi, insv): New.
9882 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9883 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9884 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9886 * config/m32c/m32c-protos.h: Update as needed.
9887 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9888 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9889 Fail for unrecognized R* constraints.
9890 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9891 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9892 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9894 (m32c_init_libfuncs): New.
9895 (m32c_legitimate_address_p): Add debug wrapper.
9896 (m32c_rtx_costs): New.
9897 (m32c_address_cost): New.
9898 (conversions): Add 'B' prefix.
9899 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9900 operands, or word regnames for QI operands. 'B' prints bit
9902 (m32c_expand_setmemhi): New.
9903 (m32c_expand_movmemhi): New.
9904 (m32c_expand_movstr): New.
9905 (m32c_expand_cmpstr): New.
9906 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9907 (m32c_expand_neg_mulpsi3): Handle non-ints.
9908 (m32c_cmp_flg_0): New.
9909 (m32c_expand_movcc): New.
9910 (m32c_expand_insv): New.
9911 (m32c_scc_pattern): New.
9912 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9913 a0/a1 out of SIregs.
9914 (STORE_FLAG_VALUE): New.
9915 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9918 * config/m32c/mov.md: Make constraints more liberal.
9919 (zero_extendqihi2): Optimize r0/r1 case.
9920 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9921 * config/m32c/predicates.md (m32c_any_operand): New.
9922 (m32c_nonimmediate_operand): New.
9923 (m32c_hl_operand): New.
9924 (m32c_r3_operand): New.
9927 (memsym_operand): New.
9928 (memimmed_operand): New.
9929 (a_qi_operand): New.
9930 (m32c_eqne_operator): New.
9931 (m32c_1bit8_operand): New.
9932 (m32c_1bit16_operand): New.
9933 (m32c_1mask8_operand): New.
9934 (m32c_1mask16_operand): New.
9935 * config/m32c/blkmov.md: New file.
9936 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9938 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9940 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9941 unsigned to fix signed/unsigned comparison issue in
9942 DWARF2_FRAME_REG_OUT.
9943 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9944 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9946 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9947 of ptr into the ENABLE_CHECKING section.
9949 2006-03-08 Jeff Law <law@redhat.com>
9951 * tree-vrp.c (infer_value_range): Only count pointer uses
9952 and dereferences if -fdelete-null-pointer-checks is enabled.
9954 * tree-vrp.c (find_assert_locations): Infer value ranges for
9955 single use pointers, but do not create ASSERT_EXPRs for them.
9956 When a non-null range is inferred for a pointer, backwards
9957 propagate that range to other equivalent pointers through the
9960 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9963 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9964 language hook targets.
9965 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9966 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9967 if language hook targets were missing.
9969 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9971 * tree-ssa-opfinalize.h: Removed.
9972 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9974 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9975 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9976 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9977 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9978 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9979 finalize_ssa_v_must_def_ops): New.
9981 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9983 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9986 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9988 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9990 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9991 addresses with offsets; reorganize.
9993 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9994 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9995 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9997 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10000 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10002 2006-03-08 Ben Elliston <bje@au.ibm.com>
10004 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10006 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10009 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10012 2006-03-07 Richard Guenther <rguenther@suse.de>
10014 PR tree-optimization/26587
10015 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10017 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10019 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10021 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10023 * hooks.c (hook_bool_mode_rtx_true): New function.
10024 * hooks.h (hook_bool_mode_rtx_true): Declare.
10025 * toplev.c (compile_file): Call output_shared_constant_pool.
10026 * varasm.c (shared_constant_pool): New variable.
10027 (assemble_start_function, assemble_end_function): Remove arguments
10028 from call to output_constant_pool.
10029 (create_constant_pool): New function, split out from...
10030 (init_varasm_status): ...here.
10031 (force_const_mem): Choose between the shared and per-function constant
10032 pools. Set current_function_uses_const_pool when reusing old entries
10033 as well as when creating new ones.
10034 (mark_constant): Ignore data argument.
10035 (mark_constants): Remove pool argument.
10036 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10037 to decide whether the function uses a constant pool.
10038 (output_constant_pool_contents): New function, split out from...
10039 (output_constant_pool): ...here.
10040 (output_shared_constant_pool): New function.
10041 (init_varasm_once): Initialize shared_constant_pool.
10042 * output.h (output_constant_pool): Delete.
10043 (output_shared_constant_pool): Declare.
10044 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10045 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10047 2006-03-06 Nick Clifton <nickc@redhat.com>
10049 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10050 flag_strength_reduce.
10052 2006-03-06 Ben Elliston <bje@au.ibm.com>
10054 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10055 x86_64-*-linux* configurations.
10057 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10058 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10060 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10062 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10064 * basic-block.h: Remove the extern for
10065 rediscover_loops_after_threading.
10067 * cfgloop.c (cancel_loop): Make it static.
10068 * cfgloop.h: Remove the prototype for cancel_loop.
10070 * flow.c (recompute_reg_usage): Make it static.
10071 * rtl.h: Remove the prototype for recompute_reg_usage.
10073 * function.c (use_return_register): Make it static.
10074 * function.h: Remove the prototype.
10076 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10078 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10080 * recog.h: Remove the prototype for
10081 validate_change_maybe_volatile.
10083 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10085 * rtlanal.c (replace_reg): Remove.
10086 * rtl.h: Remove the prototype for replace_reg.
10088 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10090 * regclass.c (reg_scan_update): Remove.
10091 (reg_scan_mark_refs): Remove the last argument.
10092 * rtl.h: Remove the prototype for reg_scan_update.
10094 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10096 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10097 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10098 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10099 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10100 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10101 loop-invariant.c, omp-low.c, opts.c, passes.c,
10102 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10103 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10104 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10105 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10106 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10107 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10109 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10111 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10112 * dwarf2out.h: Remove the prototype for
10113 dwarf2out_add_library_unit_info.
10115 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10117 * tree.c (add_var_to_bind_expr): Remove.
10118 * tree.h: Remove the prototype for add_var_to_bind_expr.
10120 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10122 * regclass.c (n_non_fixed_regs): Remove.
10123 (init_reg_sets_1, globalize_reg): Remove all uses of
10125 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10127 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10129 * rtlanal.c (insns_safe_to_move_p): Remove.
10130 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10132 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10134 * expmed.c (expand_mult_add): Remove.
10135 * expr.h: Remove the prototype for expand_mult_add.
10137 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10139 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10140 and REG_SAVED_VAL_EXP constants.
10141 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10142 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10143 Handle regs stored by value.
10144 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10145 (execute_cfa_program): Handle DW_CFA_val_offset,
10146 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10147 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10148 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10149 (uw_install_context_1): Handle target regs stored by value.
10151 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10153 * tree-sra.c (tree_sra): Return todoflags;
10154 (generate_one_element): Set TODO_update_smt_usage if needed.
10155 (pass_sra): Remove TODO_update_smt_usage.
10156 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10158 (tree_ssa_forward_propagate_single_use_vars): Return
10159 TODO_update_smt_usage if we need to update SMT usage.
10160 (pass_forwprop): Remove TODO_update_smt_usage.
10162 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10164 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10165 (correct_use_link): Remove reference to get_stmt_operands.
10166 (update_stmt_operands): Likewise.
10167 (get_modify_expr_operands): New function factored out of
10168 parse_ssa_operands and get_expr_operands.
10169 Try to create V_MUST_DEFs for LHS by default.
10170 (get_expr_operands) <case MODIFY_EXPR>: Call
10171 get_modify_expr_operands.
10172 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10173 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10174 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10175 get_modify_expr_operands.
10177 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10179 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10180 * tree-flow.h: Remove the prototype for
10181 referenced_var_lookup_if_exists.
10183 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10185 PR rtl-optimization/26345
10187 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10189 2006-03-03 Roger Sayle <roger@eyesopen.com>
10191 PR tree-optimization/26524
10192 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10193 fold_convert to create a constant of the appropriate type.
10195 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10197 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10198 SYMBOL_REF_IN_BLOCK_P.
10199 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10200 of SYMBOL_FLAG_IN_BLOCK.
10201 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10202 instead of SYMBOL_REF_IN_BLOCK_P.
10203 * explow.c (use_anchored_address): Likewise.
10204 * rtl.c (rtx_size): Likewise.
10205 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10206 instead of SYMBOL_FLAG_IN_BLOCK.
10207 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10208 SYMBOL_REF_IN_BLOCK_P.
10209 (assemble_variable): Likewise.
10210 (output_constant_def_contents): Likewise.
10211 (output_constant_pool): Likewise.
10212 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10213 instead of SYMBOL_FLAG_IN_BLOCK.
10214 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10215 SYMBOL_REF_IN_BLOCK_P.
10216 (SYMBOL_REF_BLOCK): Likewise.
10217 (SYMBOL_REF_OFFSET): Likewise.
10218 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10219 SYMBOL_REF_IN_BLOCK_P.
10220 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10221 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10222 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10223 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10225 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10227 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10229 2006-03-02 Roger Sayle <roger@eyesopen.com>
10231 * simplify-rtx.c (simplify_unary_operation): When simplifying
10232 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10233 that we perform the right shift in the appropriate mode, and
10234 then extend or truncate the result to requested mode.
10236 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10238 * gengtype.c (main): Handle double_int type.
10239 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10240 * double-int.c: New file.
10241 * double-int.h: New file.
10242 * system.h: Include doubleint.h.
10243 * Makefile.in (SYSTEM_H): Include double-int.h.
10244 (double-int.o): Add.
10246 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10249 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10252 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10254 * tree-vrp.c (remove_range_assertions): Do not update statements
10257 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10259 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10261 * gcse.c (rest_of_handle_gcse): Ditto.
10262 * except.c (gate_handle_eh): Ditto.
10263 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10264 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10266 2006-03-02 Eric Christopher <echristo@apple.com>
10268 * config/i386/i386.c (machopic_output_stub): Add indirection to
10271 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10275 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10277 Sun Niagara specific optimizations.
10278 * config.gcc: Recognize niagara as target.
10279 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10280 (TARGET_CPU_niagara): Define.
10281 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10282 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10283 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10284 (ASM_CPU_SPEC): Likewise.
10285 (PROCESSOR_NIAGARA): New enum entry.
10286 (REGISTER_MOVE_COST): Handle Niagara.
10287 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10288 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10289 (sparc_override_options): Recognize "niagara", set appropriate
10290 default MASK_* values for it, and align functions to 32-bytes
10291 by default just like ULTRASPARC/ULTRASPARC3.
10292 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10293 (sparc64_initialize_trampoline): Likewise.
10294 (sparc_use_sched_lookahead): Use zero for niagara.
10295 (sparc_issue_rate): Use one for niagara.
10296 * config/sparc/niagara.md: New file.
10297 * config/sparc/sparc.md: Include it.
10298 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10299 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10300 when default cpu is niagara.
10301 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10302 (ASM_CPU_SPEC): Likewise.
10303 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10304 when default cpu is niagara.
10305 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10306 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10307 just like v9/ultrasparc/ultrasparc3.
10308 * doc/invoke.texi: Add documentation for "niagara" and improve
10309 existing documentation for ultrasparc variants.
10311 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10313 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10315 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10317 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10318 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10319 and say that only one is needed.
10320 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10321 * target.h (have_switchable_bss_sections): New hook.
10322 * explow.c (use_anchored_address): Check that the symbol is in a block.
10323 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10324 (bss_noswitch_section): New variables.
10325 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10326 (get_noswitch_section): New function.
10327 (get_block_for_section): Allow SECT to be null.
10328 (unlikely_text_section_p): Use SECTION_STYLE.
10329 (bss_initializer_p): New function.
10330 (get_variable_section): Move earlier in file. Take a new argument,
10331 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10332 Return one of the new *_sections in such cases.
10333 (get_block_for_decl): New function, extracting some logic from
10334 use_blocks_for_decl_p.
10335 (change_symbol_section): Remove in favor of...
10336 (change_symbol_block): ...this new function.
10337 (use_blocks_for_decl_p): Remove checks now performed by
10338 get_block_for_decl.
10339 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10340 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10341 (emit_local, emit_bss, emit_common): ...these new functions.
10342 Return true if the alignment was honored.
10343 (emit_tls_common): New function.
10344 (asm_emit_uninitialised): Delete.
10345 (assemble_variable_noswitch): New function, split out from...
10346 (assemble_variable): ...here. Don't make decisions about common
10347 variables here. Globalize all public decls that go into non-common
10348 sections. Check whether SYMBOL_REF_BLOCK is null.
10349 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10350 (output_constant_pool): Likewise.
10351 (init_varasm_once): Initialize the new section variables.
10352 (have_global_bss_p): New function.
10353 (categorize_decl_for_section): Use bss_initializer_p.
10354 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10355 (place_block_symbol): Assert that the symbol must be in a block.
10356 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10357 (TARGET_INITIALIZER): Include it.
10358 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10359 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10360 (SECTION_MACH_DEP): Bump by two.
10361 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10362 (unnamed_section): Mention SECTION_UNNAMED in comment.
10363 (named_section): Likewise SECTION_NAMED.
10364 (noswitch_section_callback): New type.
10365 (noswitch_section): New structure.
10366 (section): Add a noswitch_section alternative.
10367 (SECTION_STYLE): New macro.
10368 (tls_comm_section, comm_section, lcomm_section): Declare.
10369 (bss_noswitch_section, have_global_bss_p): Declare.
10370 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10371 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10373 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10374 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10377 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10379 * tree-vrp.c (execute_vrp): Return value.
10380 * regrename.c (rest_of_handle_regrename): Ditto.
10381 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10382 * tree-complex.c (tree_lower_complex): Ditto.
10383 (tree_lower_complex_O0): Ditto.
10384 * tracer.c (rest_of_handle_tracer): Ditto.
10385 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10386 * postreload.c (rest_of_handle_postreload): Ditto.
10387 * tree-tailcall.c (execute_tail_recursion): Ditto.
10388 (execute_tail_calls): Ditto.
10389 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10390 * tree.h (init_function_for_compilation): Ditto.
10391 * ipa-cp.c (ipcp_driver): Ditto.
10392 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10393 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10394 * final.c (compute_alignments): Ditto.
10395 (rest_of_handle_final): Ditto.
10396 (rest_of_handle_shorten_branches): Ditto.
10397 (rest_of_clean_state): Ditto.
10398 * omp-low.c (execute_expand_omp): Ditto.
10399 (execute_lower_omp): Ditto.
10400 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10401 * ipa-reference.c (static_execute): Ditto.
10402 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10403 * reorg.c (rest_of_handle_delay_slots): Ditto.
10404 (rest_of_handle_machine_reorg): Ditto.
10405 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10406 * flow.c (recompute_reg_usage): Ditto.
10407 (rest_of_handle_remove_death_notes): Ditto.
10408 (rest_of_handle_life): Ditto.
10409 (rest_of_handle_flow2): Ditto.
10410 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10411 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10412 (do_ssa_store_ccp): Ditto.
10413 (execute_fold_all_builtins): Ditto.
10414 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10415 * modulo-sched.c (rest_of_handle_sms): Ditto.
10416 * ipa-pure-const.c (static_execute): Ditto.
10417 * cse.c (rest_of_handle_cse): Ditto.
10418 (rest_of_handle_cse2): Ditto.
10419 * web.c (rest_of_handle_web): Ditto.
10420 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10421 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10422 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10423 * tree-nrv.c (tree_nrv): Ditto.
10424 (execute_return_slot_opt): Ditto.
10425 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10426 (create_structure_vars): Ditto.
10427 * loop-init.c (rtl_loop_init): Ditto.
10428 (rtl_loop_done): Ditto.
10429 (rtl_move_loop_invariants): Ditto.
10430 (rtl_unswitch): Ditto.
10431 (rtl_unroll_and_peel_loops): Ditto.
10432 (rtl_doloop): Ditto.
10433 * gimple-low.c (lower_function_body): Ditto.
10434 (mark_used_blocks): Ditto.
10435 * tree-ssa-sink.c (execute_sink_code): Ditto.
10436 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10437 (cgraph_early_inlining): Ditto.
10438 * global.c (rest_of_handle_global_alloc): Ditto.
10439 * jump.c (cleanup_barriers): Ditto.
10440 (purge_line_number_notes): Ditto.
10441 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10442 (rest_of_handle_if_after_reload): Ditto.
10443 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10444 (tree_ssa_loop_im): Ditto.
10445 (tree_ssa_loop_unswitch): Ditto.
10446 (tree_vectorize): Ditto.
10447 (tree_linear_transform): Ditto.
10448 (tree_ssa_loop_ivcanon): Ditto.
10449 (tree_ssa_empty_loop): Ditto.
10450 (tree_ssa_loop_bounds): Ditto.
10451 (tree_complete_unroll): Ditto.
10452 (tree_ssa_loop_prefetch): Ditto.
10453 (tree_ssa_loop_ivopts): Ditto.
10454 (tree_ssa_loop_done): Ditto.
10455 * predict.c (tree_estimate_probability): Ditto.
10456 * recog.c (split_all_insns_noflow): Ditto.
10457 (rest_of_handle_peephole2): Ditto.
10458 (rest_of_handle_split_all_insns): Ditto.
10459 * tree-eh.c (lower_eh_constructs): Ditto.
10460 * regmove.c (rest_of_handle_regmove): Ditto.
10461 (rest_of_handle_stack_adjustments): Ditto.
10462 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10463 * function.c (instantiate_virtual_regs): Ditto.
10464 (init_function_for_compilation): Ditto.
10465 (rest_of_handle_check_leaf_regs): Ditto.
10466 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10467 (rest_of_handle_gcse): Ditto.
10468 * ipa-type-escape.c (type_escape_execute): Ditto.
10469 * alias.c (rest_of_handle_cfg): Ditto.
10470 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10471 * profile.c (rest_of_handle_branch_prob): Ditto.
10472 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10473 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10474 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10475 * tree-dfa.c (find_referenced_vars): Ditto.
10476 * except.c (set_nothrow_function_flags): Ditto.
10477 (convert_to_eh_region_ranges): Ditto.
10478 (rest_of_handle_eh): Ditto.
10479 * emit-rtl.c (unshare_all_rtl): Ditto.
10480 (remove_unnecessary_notes): Ditto.
10481 * except.h (set_nothrow_function_flags): Ditto.
10482 (convert_to_eh_region_ranges): Ditto.
10483 * cfgexpand.c (tree_expand_cfg): Ditto.
10484 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10485 * tree-ssa-pre.c (do_pre): Ditto.
10486 (execute_fre): Ditto.
10487 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10488 (rest_of_handle_jump2): Ditto.
10489 * tree-sra.c (tree_sra): Ditto.
10490 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10491 (execute_mudflap_function_decls): Ditto.
10492 * tree-ssa-copy.c (do_copy_prop): Ditto.
10493 (do_store_copy_prop): Ditto.
10494 * ipa-prop.h (ipcp_driver): Ditto.
10495 * cfglayout.c (insn_locators_initialize): Ditto.
10496 * tree-ssa-forwprop.c
10497 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10498 * cfglayout.h (insn_locators_initialize): Ditto.
10499 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10500 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10501 (execute_late_warn_uninitialized): Ditto.
10502 * rtl.h (cleanup_barriers): Ditto.
10503 (split_all_insns_noflow): Ditto.
10504 (purge_line_number_notes): Ditto.
10505 (unshare_all_rtl): Ditto.
10506 (remove_unnecessary_notes): Ditto.
10507 (recompute_reg_usage): Ditto.
10508 (variable_tracking_main): Ditto.
10509 * integrate.c (emit_initial_value_sets): Ditto.
10510 * integrate.h (emit_initial_value_sets): Ditto.
10511 * tree-optimize.c (execute_free_datastructures): Ditto
10512 (execute_free_cfg_annotations): Ditto.
10513 (execute_fixup_cfg): Ditto.
10514 (execute_cleanup_cfg_pre_ipa): Ditto.
10515 (execute_cleanup_cfg_post_optimizing): Ditto.
10516 (execute_init_datastructures): Ditto.
10517 * tree-object-size.c (compute_object_sizes): Ditto.
10518 * combine.c (rest_of_handle_combine): Ditto.
10519 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10520 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10521 (rest_of_handle_reorder_blocks): Ditto.
10522 (rest_of_handle_partition_blocks): Ditto.
10523 * var-tracking.c (variable_tracking_main): Ditto.
10524 * tree-profile.c (tree_profiling): Ditto.
10525 * tree-vect-generic.c (expand_vector_operations): Ditto.
10526 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10527 * sched-rgn.c (rest_of_handle_sched): Ditto.
10528 (rest_of_handle_sched2): Ditto.
10529 * basic-block.h (free_bb_insn): Ditto.
10530 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10531 * tree-cfg.c (execute_build_cfg): Ditto.
10532 (remove_useless_stmts): Ditto.
10533 (split_critical_edges): Ditto.
10534 (execute_warn_function_return): Ditto.
10535 (execute_warn_function_noreturn): Ditto.
10536 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10537 * cfgrtl.c (free_bb_for_insn): Ditto.
10538 * passes.c (execute_one_pass): Run additional
10539 todos returned by execute function.
10540 * tree-pass.h (struct tree_opt_pass): Make execute
10543 2006-03-02 Richard Guenther <rguenther@suse.de>
10545 * tree-ssa-alias.c (find_used_portions): Consider taking
10546 the address as making the variable not write-only.
10548 2006-03-02 Nick Clifton <nickc@redhat.com>
10550 * config.gcc (default_use_cxa_atexit): Extend the description of
10551 this configure variable. Set its default value to "yes" for
10552 Linux, NetBSD and ELF targets on the assumption that they will
10553 use C libraries with the __cxa_atexit function.
10555 2006-03-02 Ben Elliston <bje@au.ibm.com>
10557 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10558 parameter as unused to suppress a build warning.
10560 2006-03-02 Ben Elliston <bje@au.ibm.com>
10562 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10565 2006-03-01 Roger Sayle <roger@eyesopen.com>
10568 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10569 declared name, the weak reference name, and the typeof name.
10570 (__gthrw): Avoid expanding the declared name suffix.
10571 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10573 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10575 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10577 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10578 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10579 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10580 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10581 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10582 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10583 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10584 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10585 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10586 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10587 (DW_END_default, DW_END_big, DW_END_little): New.
10588 (DW_END_lo_user, DW_END_hi_user): Define.
10589 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10590 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10591 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10594 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10596 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10598 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10600 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10602 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10604 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10605 to 'symbol_mem_tag'.
10607 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10610 2006-03-01 Roger Sayle <roger@eyesopen.com>
10612 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10614 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10617 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10618 MACHO_DYNAMIC_NO_PIC_P.
10619 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10621 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10624 * config/darwin-protos.h (darwin_asm_output_anchor):
10626 * config/darwin-sections.def (cstring_section):
10627 Add SECTION_MERGE to the flags.
10628 (literal4_section): Likewise.
10629 (literal8_section): Likewise.
10630 (objc_selector_refs_section): Likewise.
10631 (objc_cls_refs_section): Likewise.
10632 * config/darwin.c (darwin_asm_output_anchor): New
10634 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10636 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10638 Fix PR tree-optimization/26443
10639 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10640 to todo and PROP_tmt_usage to properties_destroyed.
10641 * tree-ssa-ccp.c (pass_ccp): Ditto.
10642 (pass_store_ccp): Ditto.
10643 * tree-ssa-dom.c (pass_dominator): Ditto.
10645 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10647 * tree-ssa-operands.c: Cleanup whitespace.
10648 (get_asm_expr_operands): Move before first invocation.
10649 (get_indirect_ref_operands): Likewise.
10650 (get_tmr_operands): Likewise.
10651 (get_call_expr_operands): Likewise.
10652 (append_def): Likewise.
10653 (append_use): Likewise.
10654 (append_v_may_def): Likewise.
10655 (append_v_must_def): Likewise.
10656 (add_call_clobber_ops): Likewise.
10657 (add_call_read_ops): Likewise.
10658 (add_stmt_operand): Likewise.
10659 (add_virtual_operand): Likewise.
10660 (build_ssa_operands): Likewise.
10662 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10664 PR middle-end/26022
10666 PR middle-end/24437
10667 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10668 with a call expr to ...
10669 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10671 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10673 * tree-vrp.c (extract_range_from_assert): Remove special
10674 handling for types with super-types.
10676 2006-03-01 Ben Elliston <bje@au.ibm.com>
10678 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10679 and powerpc64-*-linux* configurations.
10680 * config/t-dfprules: New file.
10682 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10683 Compile dfp-bit.c from the source directory using -DWIDTH and
10684 $DFP_CFLAGS to control the compilation of that file, rather than
10685 generating width-specific versions in the build directory.
10686 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10687 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10689 2006-02-28 Zack Weinberg <zackw@panix.com>
10691 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10694 2006-02-28 Eric Christopher <echristo@apple.com>
10696 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10697 Set up IN_LIBGCC definition of TARGET_64BIT.
10698 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10700 2006-02-28 Roger Sayle <roger@eyesopen.com>
10702 PR middle-end/14752
10703 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10704 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10705 cases via the construction of "expr != 0".
10707 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10709 * alias.c (alias_invariant, alias_invariant_size): Remove.
10710 (record_base_value): Remove.
10711 (memrefs_conflict_p): Don't look at alias_invariant.
10712 (end_alias_analysis): Don't free it.
10713 * alias.h (record_base_value): Remove prototype.
10715 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10716 Adam Nemet <anemet@caviumnetworks.com>
10718 * rtl.h (truncated_to_mode): Declare it.
10719 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10720 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10721 (RTL_HOOKS_INITIALIZER): Include it.
10722 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10723 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10724 reg_truncated_to_mode.
10725 * rtlanal.c (truncated_to_mode): Define it.
10726 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10728 2006-02-28 Jeff Law <law@redhat.com>
10730 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10731 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10732 the range allowed by TYPE_PRECISION.
10734 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10736 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10738 PR tree-optimization/26419
10739 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10742 2006-02-27 Zack Weinberg <zackw@panix.com>
10744 * doc/md.texi: Fix typo in previous change.
10746 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10750 2006-02-27 Zack Weinberg <zackw@panix.com>
10752 * rtl.def (define_constraint, define_register_constraint)
10753 (define_memory_constraint, define_address_constraint): New MD forms.
10754 * gensupport.c (process_rtx): Put define_constraint etc on the
10756 * genpreds.c (process_define_predicate): Adjust comment. Validate
10757 the name, and call validate_exp to validate the expression.
10758 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10759 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10760 all callers changed.
10761 (validate_exp, needs_variable, struct constraint_data)
10762 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10763 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10764 (const_dbl_constraints, constraint_max_namelen)
10765 (have_register_constraints, have_memory_constraints)
10766 (have_address_constraints, have_address_constraints)
10767 (have_extra_constraints, have_const_int_constraints)
10768 (have_const_dbl_constraints, mangle, add_constraint)
10769 (process_define_constraint, process_define_register_constraint)
10770 (write_enum_constraint_num, write_lookup_constraint)
10771 (write_insn_constraint_len, write_regclass_for_constraint)
10772 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10773 (write_insn_extra_memory_constraint)
10774 (write_insn_extra_address_constraint)
10775 (write_satisfies_constraint_fns): New.
10776 (write_tm_preds_h): If we have new-style constraint definitions,
10777 prototype the functions generated from them, and define the
10778 old constraint interface (still used by generic code) in terms of
10780 (write_insn_preds_c): If we have new-style constraint definitions,
10781 generate all relevant functions from those definitions.
10782 (main): Handle define_constraint etc.
10783 * genoutput.c (struct constraint_data, indep_constraints)
10784 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10785 (mdep_constraint_len): New data structures and functions, defined
10786 #ifdef USE_MD_CONSTRAINTS.
10787 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10788 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10789 use new logic to validate operand constraints against constraint
10791 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10793 * defaults.h: If none of the old-style constraint macros are
10794 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10795 old-style macros; and poison REG_CLASS_FROM_LETTER,
10796 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10798 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10799 * doc/md.texi: Document new constraint-definition mechanism and the
10800 C interface it provides. Remove references to old mechanism
10801 elsewhere in the document.
10802 (Machine Constraints): Use pathnames relative to gcc directory,
10803 i.e. config/ARCH/FILE. Change i386 section to refer to
10804 config/i386/predicates.md; update that section to match docstrings.
10805 * doc/tm.texi: Move all documentation of the old constraint-
10806 definition macros to their own section, clearly mark as obsolete.
10808 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10809 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10811 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10812 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10813 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10814 constraint strings.
10815 (splits and peepholes): Use satisfies_constraint_*.
10816 * config/i386/i386.c (memory_address_length)
10817 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10819 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10821 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10822 scalar operation to be put back into the loop.
10824 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10827 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10828 (extract_cie_info): Handle S flag in augmentation string.
10829 (execute_cfa_program): If context->signal_frame, execute also
10830 fs->pc == context->ra instructions.
10831 (uw_frame_state_for): If context->signal_frame, don't subtract one
10832 from context->ra to find FDE.
10833 (uw_update_context_1): Set context->signal_frame to
10835 (_Unwind_GetIPInfo): New function.
10836 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10837 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10839 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10840 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10841 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10842 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10843 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10844 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10845 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10846 x86_64_fallback_frame_state): Set fs->signal_frame.
10847 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10848 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10849 (frob_update_context): Likewise. Workaround missing S flag in
10850 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10851 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10852 Remove the psw_addr + 1 hack.
10854 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10856 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10857 with aggregates here.
10858 (find_func_aliases): Remove code for &<aggregate> from here.
10860 2006-02-26 Roger Sayle <roger@eyesopen.com>
10862 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10863 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10864 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10865 as (X & C) ne/eq 0.
10867 2006-02-26 Roger Sayle <roger@eyesopen.com>
10869 PR middle-end/19983
10870 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10872 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10874 * opts.c (decode_options): Do not handle flag_strength_reduce.
10875 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10876 and OPT_fstrength_reduce.
10877 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10878 flag_prefetch_loop_arrays for being nonzero.
10879 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10881 (fprefetch-loop-arrays-rtl): Removed.
10882 (flag_prefetch_loop_arrays): Do not specify the value.
10884 * doc/passes.texi: Update documentation of loop optimizer
10886 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10887 -frerun-loop-opt): Remove.
10889 2006-02-26 Richard Guenther <rguenther@suse.de>
10891 PR tree-optimization/26421
10892 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10893 in function calls that are ADDR_EXPRs as using the whole structure.
10895 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10897 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10898 * tree-pass.h (pass_loop_optimize): Remove.
10899 * passes.c (pass_loop_optimize): Never run it.
10900 * toplev.c (backend_init): Don't call init_loop.
10901 * opts.c (flag_loop_optimize_set): Remove.
10902 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10903 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10904 the old RTL loop optimizer when profiling enabled.
10905 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10906 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10907 pre-headers for the sake of the old RTL loop optimizer.
10908 * Makefile.in: Remove all references to loop.o.
10910 * doc/invoke.texi: Remove all references to -floop-optimize
10911 and -frerun-loop-opt.
10913 2006-02-26 Zack Weinberg <zackw@panix.com>
10915 * doc/md.texi (Machine Constraints): Refer to all files with paths
10916 relative to gcc directory (i.e. config/CPU/file). Add missing
10917 @table @code ... @end table to M32C subsection.
10919 2006-02-26 Roger Sayle <roger@eyesopen.com>
10921 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10923 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10925 2006-02-26 Roger Sayle <roger@eyesopen.com>
10926 James A. Morrison <phython@gcc.gnu.org>
10928 PR middle-end/21137
10929 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10930 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10931 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10932 signedness of the shift operation.
10934 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10936 PR tree-optimization/26359
10937 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10939 2006-02-25 Roger Sayle <roger@eyesopen.com>
10941 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10942 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10943 as X == 0, and some symmetry related transformations.
10944 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10946 2006-02-25 Roger Sayle <roger@eyesopen.com>
10948 PR middle-end/23673
10949 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10950 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10951 symmetry related transformations. Fold (X^C1) == C2 as
10954 2006-02-25 Juergen Weigert <jw@suse.de>
10955 Richard Guenther <rguenther@suse.de>
10957 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10959 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10961 * combine.c (gen_lowpart_or_truncate): Call
10962 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10964 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10966 * doc/invoke.texi: Move -fopenmp description to "Options for
10968 Remove reference to -lgomp.
10970 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10972 * doc/install.texi: Require GNU tar version 1.14.
10974 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10976 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10977 * doc/invoke.texi (C++ Dialect Options): Document
10978 -fno-use-cxa-get-exception-ptr.
10979 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10980 * configure: Regenerate.
10981 * c.opt (fuse-cxa-get-exception-ptr): New.
10982 * c-opts.c (c_common_handle_option): Handle
10983 OPT_fuse_cxa_get_exception_ptr.
10984 * c-common.c (flag_use_cxa_atexit): Update documentation.
10985 (flag_use_cxa_get_exception_ptr): New.
10986 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10987 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10989 (C_COMMON_OVERRIDE_OPTIONS): New.
10991 2006-02-24 Roger Sayle <roger@eyesopen.com>
10993 PR middle-end/24952
10994 * combine.c (try_combine): Explicitly check whether GET_CODE is
10995 a SET or a CLOBBER, instead on checking that it isn't a USE.
10997 2006-02-24 Roger Sayle <roger@eyesopen.com>
10999 * fold-const.c (fold_comparison): New subroutine of fold_binary
11000 containing transformations common to both the equality and
11001 ordering relational operators, factored out of fold_binary.
11002 (fold_binary): Separate out the equality operators (EQ_EXPR
11003 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11004 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11005 transformations common to both.
11006 (fold_div_compare): Fix latent bugs in the previously unreachable
11007 LT_EXPR and GE_EXPR cases.
11009 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11011 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11012 decl libname for clog to __clog on AIX.
11014 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11016 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11019 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11020 output traceback table for thunks. Localise rs6000_stack_info call.
11022 2006-02-23 Roger Sayle <roger@eyesopen.com>
11023 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11025 * gthr-posix.h (__gthrw): Fix typo in comment.
11027 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11029 * doc/cpp.texi (Character sets): Document that we do support
11030 input files to be in any character set.
11032 2006-02-23 Jeff Law <law@redhat.com>
11034 * tree.h (PHI_ARG_NONZERO): Remove.
11035 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11036 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11037 node to the new node.
11039 PR tree-optimization/26425
11040 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11041 min/max, then assume its varying.
11043 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11045 PR rtl-optimization/26316
11046 * rtlanal.c (enum may_trap_p_flags): New.
11047 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11048 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11049 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11050 (may_trap_after_code_motion_p): New function.
11051 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11052 (find_invariant_insn): Use may_trap_after_code_motion_p.
11053 * rtl.h (may_trap_after_code_motion_p): Declare.
11055 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11057 * emit-rtl.c (immed_double_const): Cleanup.
11059 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11061 Fix PR tree-optimization/26376
11062 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11065 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11067 PR middle-end/26412
11068 * gimplify.c (omp_add_variable): Guard variable size decl test with
11069 DECL_SIZE (decl) check.
11071 2006-02-23 Richard Guenther <rguenther@suse.de>
11073 PR middle-end/26439
11074 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11075 like aggregate types.
11077 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11079 * configure.ac: Add --with{,out}-long-double-128 configure option.
11080 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11081 * configure: Rebuilt.
11082 * config.in: Rebuilt.
11083 * doc/install.texi (Options specification): Document
11084 --with-long-double-128.
11086 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11087 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11088 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11089 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11091 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11093 * config/s390/s390.c (override_options): Handle
11094 TARGET_DEFAULT_LONG_DOUBLE_128.
11096 * config/alpha/alpha.c (override_options): Handle
11097 TARGET_DEFAULT_LONG_DOUBLE_128.
11099 * config/sparc/sparc.c (sparc_override_options): Handle
11100 TARGET_DEFAULT_LONG_DOUBLE_128.
11102 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11104 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11105 (real-install-headers-tar, real-install-headers-cpio)
11106 (real-install-headers-cp): New targets.
11108 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11110 * tree.h (variable_section): Delete.
11111 * varasm.c (variable_section): Delete.
11113 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11115 * install.texi: Add notes on install.texi2html.
11116 (Building in parallel): Do not use footnotes.
11118 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11121 * doc/install.texi (Configuration): Document --disable-libgomp.
11123 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11125 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11127 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11129 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11130 (vec_extractv2df_0_sse): New.
11132 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11134 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11135 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11136 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11137 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11138 to the result of the expression.
11139 (def_cfa_1): Adjust.
11140 (frame_pointer_cfa_offset): Rename to...
11141 (frame_pointer_fb_offset): ... this. Adjust all uses.
11142 (convert_cfa_to_loc_list): Rename to...
11143 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11144 Pass it on to build_cfa_loc.
11145 (compute_frame_pointer_to_cfa_displacement): Rename to...
11146 (compute_frame_pointer_to_fb_displacement): ... this. New
11147 offset parameter. Use it in computation.
11148 (gen_subprogram_die): Compute cfa_fb_offset with the new
11149 macro, and use it to compute the fb loc list and the
11152 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11154 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11155 replaced with register_operand.
11156 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11157 non-DREG is expensive.
11158 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11159 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11162 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11164 * doc/install.texi2html: Use set -e.
11166 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11168 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11169 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11170 * doc/invoke.texi (-fshared-data): Delete.
11171 * common.opt (fshared-data): Delete.
11172 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11173 (assemble_static_space): Remove #if 0 code.
11174 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11175 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11176 * config/cris/cris.h: Remove FIXME.
11178 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11180 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11183 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11185 PR middle-end/26379
11186 * combine.c (simplify_shift_const_1): Disable nested shifts
11187 optimization for vector shifts.
11189 2006-02-20 Roger Sayle <roger@eyesopen.com>
11191 PR tree-optimization/26361
11192 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11193 of unsigned integer types.
11195 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11197 * tree-chrec.c (eq_evolutions_p): New.
11198 * tree-chrec.h (eq_evolutions_p): Declared.
11199 * tree-data-ref.c: Fix formatting.
11200 (datadep_stats, dependence_stats): New.
11202 (print_direction_vector): New.
11203 (dump_data_dependence_relation): Use print_direction_vector.
11204 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11205 (compute_subscript_distance): Static.
11206 (initialize_data_dependence_relation): Static. Get the number
11207 of loops surrounding the references from the callers, and initialize
11208 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11209 base_object_differ_p analyzers.
11210 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11211 compute_overlap_steps_for_affine_1_2,
11212 analyze_subscript_affine_affine): Count the classified dependences.
11213 Print a message when a test failed.
11214 (can_use_analyze_subscript_affine_affine): New.
11215 (analyze_siv_subscript): Compute the data dependences on symbolic
11216 scevs that verify can_use_analyze_subscript_affine_affine.
11217 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11218 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11219 Handle symbolic scevs.
11220 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11222 (subscript_dependence_tester): Moved...
11223 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11224 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11225 DDR_SIZE_VECT instead of getting it in parameter.
11226 (subscript_dependence_tester): ... here. Take as a parameter
11227 loop_nest_depth. Call build_classic_dist_vector and
11228 build_classic_dir_vector.
11229 (compute_affine_dependence): Update subscript_dependence_tester
11230 parameters. Update datadep_stats counters. Call
11231 compute_subscript_distance.
11232 (compute_self_dependence): Save the dist and dir vectors. Call
11233 compute_subscript_distance.
11234 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11235 (compute_all_dependences): Reorder parameters as they were before
11236 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11237 compute_subscript_distance. Update the use of
11238 compute_affine_dependence and initialize_data_dependence_relation.
11239 (find_data_references_in_loop): Handle COMPONENT_REF.
11240 (compute_data_dependences_for_loop): Initialize dependence_stats.
11241 Don't call build_classic_dist_vector and build_classic_dir_vector.
11242 Update the parameters of initialize_data_dependence_relation and
11243 compute_all_dependences. Print the statistics from datadep_stats.
11244 (analyze_all_data_dependences): Static. Not used until the pass for
11245 checking the data dependences is contributed.
11246 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11247 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11248 (initialize_data_dependence_relation, compute_affine_dependence,
11249 analyze_all_data_dependences, compute_subscript_distance): Removed.
11250 (print_direction_vector): New.
11251 * lambda.h (gcd): ... here.
11252 (lambda_vector_gcd): Moved here from gcd_vector.
11253 * lambda-code.c (gcd, gcd_vector): Removed.
11254 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11255 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11257 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11259 * ipa-type-escape.c: Tidy some comments and white space.
11260 * tree-ssa-operands.c: Likewise.
11262 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11265 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11266 (dump_decl_name): Do not walk the decl tree chains.
11267 * tree-pass.h (TDF_CHAIN): Remove.
11269 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11271 * Makefile.in (C): Remove
11273 (.PHONY): Remove C and PROTO
11275 2006-02-20 Roger Sayle <roger@eyesopen.com>
11277 PR middle-end/26236
11278 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11279 deprecated CHAR_TYPE tree code.
11281 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11283 * configure.ac (target_list): Add install-info, dvi, html.
11284 * configure: Regenerate.
11286 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11287 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11288 treelang/Make-lang.in: Do not use double-colon rules.
11290 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11292 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11293 (TMT_USED_ALONE): New macro.
11294 * tree-pass.h (PROP_tmt_usage): New property.
11295 (TODO_update_tmt_usage): New todo.
11296 * tree-ssa-alias.c (updating_used_alone): New variable.
11297 (recalculate_used_alone): New function.
11298 (compute_may_aliases): Set updating_used_alone, call
11299 recalculate_used_alone.
11300 * tree-sra.c (pass_sra): Note that this pass destroys
11301 PROP_tmt_usage, and add TODO_update_tmt_usage.
11302 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11303 * tree-flow.h (updating_used_alone): Prototype.
11304 (recalculate_used_alone): Ditto.
11305 * passes.c (execute_todo): Add code to set updating_used_alone,
11306 and call recalculate.
11307 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11308 for clobber if used alone, and add assert to verify used_alone
11311 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11313 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11314 for non tls symbols added.
11315 (legitimize_address): Do nothing for PLUS expressions if one of the
11316 addends is a tls symbol reference.
11318 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11322 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11324 * Makefile.in (BOOTSTRAPPING): New.
11325 (quickstrap): New definition if BOOTSTRAPPING=yes.
11327 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11328 * configure.ac: Substitute all_selected_languages with the languages
11329 that were configured. For all the other variables except
11330 lang_specs_files, include all the languages in the tree.
11331 * configure: Regenerate.
11333 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11334 if there is one. Run the commands to run fixincludes in the same
11337 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11338 * doc/install.texi: Document exact conventions for searching target tools.
11339 Document --with-build-time-tools. Document toplevel bootstrap. Document
11340 something more about building an Ada cross-compiler. Don't list GNU Make
11341 requirements which affect all platforms.
11343 2006-02-19 Roger Sayle <roger@eyesopen.com>
11345 PR middle-end/19543
11346 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11347 only equivalent if the have both the same mode and precision.
11349 2006-02-20 Ben Elliston <bje@au.ibm.com>
11351 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11353 2006-02-19 Roger Sayle <roger@eyesopen.com>
11354 Steven Bosscher <stevenb.gcc@gmail.com>
11356 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11357 constant pool references to identify stack mode constants.
11358 * rtlanal.c (constant_pool_constant_p): New predicate to check
11359 whether operand is a floating point constant in the pool.
11360 * rtl.h (constant_pool_constant_p): Prototype here.
11361 * loop.c (scan_loop): Avoid hoisting constants from the constant
11362 pool on STACK_REGS targets.
11363 (load_mems): Likewise.
11364 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11365 loads into x87 registers expensive in terms of register pressure.
11367 2006-02-19 Roger Sayle <roger@eyesopen.com>
11369 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11370 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11372 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11374 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11375 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11377 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11379 * doc/invoke.texi: Document -fipa-pta.
11380 * common.opt: Add ipa-pta option.
11381 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11382 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11383 (do_ds_constraint): Ditto.
11384 (get_constraint_for): Only add to referenced_vars if
11385 referenced_vars exists.
11386 (insert_into_field_list): Rewrite to do this unsorted.
11387 (insert_into_field_list_sorted): Rename old insert_into_field_list
11389 (create_function_info_for): Use insert_into_field_list_sorted.
11390 (create_variable_info_for): Rewrite so it uses unsorted version,
11391 since the field list is sorted.
11392 (intra_create_variable_infos): Only add to referenced_vars if
11393 referenced_vars exists.
11394 (ipa_pta_execute): Init heapvars, and delete when done.
11395 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11397 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11399 * doc/install.texi: Add missing `@samp'.
11401 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11403 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11406 2006-02-18 Mark Wielaard <mark@klomp.org>
11408 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11409 who added new 4.1 features, bug fixes and integration support.
11411 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11414 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11415 MEM for ABI_V4 pic.
11417 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11419 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11420 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11421 (copy_insn_1): Likewise. Don't copy each field individually.
11423 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11425 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11426 * rtl.c (rtx_size): Rename variable to...
11427 (rtx_code_size): ...this.
11428 (rtx_size): New function.
11429 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11430 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11432 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11433 * rtl.h (rtx_code_size): New variable.
11434 (rtx_size): Change from a variable to a function.
11435 (RTX_SIZE): Rename to...
11436 (RTX_CODE_SIZE): ...this.
11439 PR tree-optimization/17106
11440 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11441 (Anchored Addresses): New section.
11442 * doc/invoke.texi (-fsection-anchors): Document.
11443 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11444 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11445 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11446 * hooks.c (hook_bool_mode_rtx_false): New function.
11447 * hooks.h (hook_bool_mode_rtx_false): Declare.
11448 * gengtype.c (create_optional_field): New function.
11449 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11450 SYMBOL_REF_IN_BLOCK_P is true.
11451 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11452 (min_anchor_offset, max_anchor_offset): Likewise.
11453 (use_anchors_for_symbol_p): New hook.
11454 * toplev.c (compile_file): Call output_object_blocks.
11455 (target_supports_section_anchors_p): New function.
11456 (process_options): Check that -fsection-anchors is only used on
11457 targets that support it and when -funit-at-a-time is in effect.
11458 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11459 if the decl doesn't have one.
11460 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11461 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11462 of force_const_mem through use_anchored_address.
11463 (expand_expr_constant): New function.
11464 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11465 calling expand_expr for INDIRECT_REF.
11466 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11467 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11468 * expr.h (use_anchored_address): Declare.
11469 * loop-unroll.c: Don't declare rtx vectors here.
11470 * explow.c: Include output.h.
11471 (validize_mem): Call use_anchored_address.
11472 (use_anchored_address): New function.
11473 * common.opt (-fsection-anchors): New switch.
11474 * varasm.c (object_block_htab, anchor_labelno): New variables.
11475 (hash_section, object_block_entry_eq, object_block_entry_hash)
11476 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11477 (use_blocks_for_decl_p, change_symbol_section): New functions.
11478 (get_variable_section): New function, split out from assemble_variable.
11479 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11480 use_blocks_for_decl_p say so. Use change_symbol_section if the
11481 symbol has already been created.
11482 (assemble_variable_contents): New function, split out from...
11483 (assemble_variable): ...here. Don't output any code for
11484 block symbols; just pass them to place_block_symbol.
11485 Use get_variable_section and assemble_variable_contents.
11486 (get_constant_alignment, get_constant_section, get_constant_size): New
11487 functions, split from output_constant_def_contents.
11488 (build_constant_desc): Create a block symbol if use_object_blocks_p
11489 says so. Or into SYMBOL_REF_FLAGS.
11490 (assemble_constant_contents): New function, split from...
11491 (output_constant_def_contents): ...here. Don't output any code
11492 for block symbols; just pass them to place_section_symbol.
11493 Use get_constant_section and get_constant_alignment.
11494 (force_const_mem): Create a block symbol if use_object_blocks_p and
11495 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11496 (output_constant_pool_1): Add an explicit alignment argument.
11497 Don't switch sections here.
11498 (output_constant_pool): Adjust call to output_constant_pool_1.
11499 Switch sections here instead. Don't output anything for block symbols;
11500 just pass them to place_block_symbol.
11501 (init_varasm_once): Initialize object_block_htab.
11502 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11503 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11504 (place_block_symbol, get_section_anchor, output_object_block)
11505 (output_object_block_htab, output_object_blocks): New functions.
11506 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11507 (TARGET_ASM_OUT): Include it.
11508 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11509 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11510 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11511 (TARGET_INITIALIZER): Include them.
11512 * rtl.c (rtl_check_failed_block_symbol): New function.
11513 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11514 (block_symbol, object_block): New structures.
11515 (rtx_def): Add a block_symbol field to the union.
11516 (BLOCK_SYMBOL_CHECK): New macro.
11517 (rtl_check_failed_block_symbol): Declare.
11518 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11519 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11520 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11521 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11522 * output.h (output_section_symbols): Declare.
11523 (object_block): Name structure.
11524 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11525 (default_use_anchors_for_symbol_p): Declare.
11526 * Makefile.in (RTL_BASE_H): Add vec.h.
11527 (explow.o): Depend on output.h.
11528 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11529 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11530 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11531 (rs6000_use_blocks_for_constant_p): New function.
11533 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11535 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11537 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11540 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11543 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11545 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11549 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11551 PR middle-end/26334
11552 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11553 instead of DECL_REGISTER.
11555 2006-02-18 Olivier Hainque <hainque@adacore.com>
11558 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11560 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11563 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11564 * opth-gen.awk: Handle Var and InverseMask together.
11565 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11566 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11567 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11568 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11570 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11571 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11572 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11573 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11574 LINUX_DYNAMIC_LINKER): Define.
11575 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11576 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11578 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11579 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11580 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11582 (TARGET_C99_FUNCTIONS): Don't define.
11583 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11584 GLIBC_DYNAMIC_LINKER.
11585 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11586 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11587 GLIBC_DYNAMIC_LINKER64): Define.
11588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11589 LINUX_DYNAMIC_LINKER64.
11590 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11592 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11593 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11594 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11595 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11596 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11597 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11598 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11600 and LINUX_DYNAMIC_LINKER32.
11601 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11602 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11603 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11604 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11605 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11607 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11608 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11609 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11610 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11611 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11612 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11613 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11614 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11615 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11616 LINUX_DYNAMIC_LINKER): Define.
11617 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11618 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11619 GLIBC_DYNAMIC_LINKER64): Define.
11620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11621 LINUX_DYNAMIC_LINKER64.
11622 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11623 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11624 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11625 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11626 LINUX_DYNAMIC_LINKER): Define.
11627 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11628 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11629 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11630 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11631 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11632 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11633 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11634 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11635 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11636 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11637 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11638 * doc/invoke.texi (-muclibc): Remove caveat about supported
11641 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11643 * doc/cpp.texi (__TIMESTAMP__): Document.
11645 2006-02-17 Roger Sayle <roger@eyesopen.com>
11647 PR middle-end/25600
11648 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11649 C is one less than the width of X (and related transformations).
11650 * simplify-rtx.c (simplify_unary_operation_1): Transform
11651 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11652 depending on STORE_FLAG_VALUE, were C is one less then the
11655 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11657 Fix PR tree-optimization/26341
11658 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11659 about NAME_MEMORY_TAG's.
11661 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11664 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11665 with hardware float support, and software float support. Add fcpy
11666 alternative to hardware patterns. Add alternatives to copy between
11667 general and floating-point registers to the 32-bit pattern.
11668 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11669 secondary reload to load a QI or HI mode constant into a floating
11671 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11672 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11674 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11677 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11679 (load_macho_picbase_di): Likewise.
11681 2006-02-16 Jeff Law <law@redhat.com>
11683 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11684 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11685 (ssa_name_nonzero_p): Likewise.
11686 (get_value_range): Return NULL if VRP is not running.
11687 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11688 VRP routines do not discover a range.
11689 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11690 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11691 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11692 (tree_expr_nonnegative_p): Similarly.
11693 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11694 (restore_nonzero_vars_to_original_value): Remove.
11695 (unsafe_associative_fp_binop): Remove.
11696 (tree_ssa_dominator_optimize): Remove initialization and
11697 finalization of nonzero_vars and nonzero_vars_stack.
11698 (dom_opt_initialize_block): No longer push marker on
11699 nonzero_vars_stack.
11700 (dom_opt_finalize_block): No longer call
11701 restore_nonzero_vars_to_original_value.
11702 (record_equivalences_from_phis): No longer look for
11703 nonzero PHI arguments.
11704 (cprop_into_successor_phis): No longer propagate nonzero
11705 property into PHI arguments. Lose unused argument. Caller
11707 (record_equivalences_from_stmt): No longer record nonzero
11708 values for SSA_NAMEs.
11709 (lookup_avail_expr): No longer use nonzero_vars.
11711 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11712 for sizetype when sizetype is unsigned.
11714 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11716 PR rtl-optimization/25603
11717 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11718 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11719 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11720 with new meaning of SETS.
11722 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11727 * config/linux.opt: New file.
11728 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11729 LINUX_DYNAMIC_LINKER): Define.
11730 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11731 * config.gcc (*-*-linux*): Define extra_options.
11732 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11733 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11734 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11735 GLIBC_DYNAMIC_LINKER.
11736 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11737 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11738 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11740 * doc/invoke.texi (GNU/Linux Options): New section.
11742 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11744 * config/sparc/sparc.md (setjmp): Rewrite.
11745 (setjmp_32): Delete.
11746 (setjmp_64): Likewise.
11748 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11750 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11753 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11755 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11758 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11760 PR rtl-optimization/26296
11761 * Makefile.in (loop-invariant.c): Add except.h dependency.
11762 * loop-invariant.c: Include except.h.
11763 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11765 2005-02-16 Paul Brook <paul@codesourcery.com>
11767 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11770 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11772 PR rtl-optimization/25636
11773 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11774 when deciding whether an insn is an initializing insn.
11776 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11778 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11779 (tree_code_size): Ditto.
11780 * tree.h (struct tree_memory_tag): Remove parent_var.
11781 (struct tree_struct_field_tag): New.
11784 (union tree_node): Add sft member.
11785 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11787 (create_sft): Add size and offset argument, set SFT_OFFSET and
11789 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11790 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11791 * tree-flow-inline.h (get_subvar_at): Update for
11792 SFT_OFFSET/SFT_SIZE.
11793 (var_can_have_subvars): Ditto.
11794 (overlap_subvar): Ditto.
11795 * print-tree.c (print_node): Print out interesting things for
11797 * tree-flow.h (struct subvar): Remove offset and size members.
11798 * tree-ssa-operands.c (get_expr_operands): Update for
11799 get_indirect_ref_operands changes.
11800 (get_indirect_ref_operands): Call add_virtual_operand instead of
11801 add_stmt_operand. Only recurse on base var if requested.
11802 (access_can_touch_variable): New function.
11803 (add_stmt_operand): Split virtual operand handling into ...
11804 (add_virtual_operand): Here. Add offset, size, and for_clobber
11805 arguments. Prune alias sets.
11806 (add_call_clobber_ops): Call add_virtual_operand.
11808 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11810 PR middle-end/26300
11811 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11813 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11814 than TREE_CODE as index into omp_clause_num_ops array.
11816 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11818 PR rtl-optimization/26184
11819 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11821 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11822 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11823 must_precede, must_follow and tobe_scheduled.
11826 * opts.c (common_handle_option): Free new_option pointer.
11827 * df-core.c (df_analyze): Free postorder pointer.
11829 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11831 * Makefile.in: Fix the examples about the use of stamps
11833 2006-02-15 Michael Matz <matz@suse.de>
11835 PR middle-end/22275
11837 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11838 influenced by maximum_field_alignment or DECL_PACKED.
11839 (update_alignment_for_field): Ditto.
11840 (place_field): Ditto.
11841 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11844 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11846 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11847 (debug_flow_info): Pass it.
11848 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11849 * bb-reorder.c (reorder_basic_blocks): Likewise.
11850 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11851 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11852 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11853 * gcse.c (gcse_main, bypass_jumps): Likewise.
11854 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11855 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11856 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11857 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11858 * rtl.h (dump_flow_info): Adjust prototype.
11859 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11860 * var-tracking.c (variable_tracking_main): Likewise.
11861 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11862 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11865 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11867 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11870 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11872 PR tree-optimization/26209
11873 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11874 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11876 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11878 2006-02-14 Roger Sayle <roger@eyesopen.com>
11880 PR middle-end/23670
11881 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11882 (X,Y) and the corresponding symmetry related transformations.
11883 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11884 (X,Y) and its symmetry related transformations.
11886 2006-02-14 Roger Sayle <roger@eyesopen.com>
11888 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11891 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11893 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11895 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11898 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11899 support COMDAT group.
11900 * configure: Regenerate.
11902 2006-02-14 Roger Sayle <roger@eyesopen.com>
11904 PR middle-end/26279
11905 PR middle-end/26280
11906 PR middle-end/26283
11907 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11909 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11911 Fix PR tree-optimization/26260
11913 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11915 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11916 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11917 * tree-ssa-structalias.c (create_variable_info_for): Use
11918 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11920 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11922 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11924 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11925 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11926 of the ending condition.
11927 * tree-ssa-loop-manip.c: Include params.h.
11928 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11929 tree_unroll_loop): New functions.
11930 * tree-pass.h (pass_loop_prefetch): Declare.
11931 * loop.c (rest_of_handle_loop_optimize): Test for
11932 -fprefetch-loop-arrays-rtl.
11933 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11934 * timevar.def (TV_TREE_PREFETCH): New timevar.
11935 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11936 pass_loop_prefetch): New.
11937 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11938 (cleanup_tree_cfg_loop): Call scev_reset.
11939 * common.opt (fprefetch-loop-arrays-rtl): Add.
11940 * tree-ssa-loop-prefetch.c: New file.
11941 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11942 (new_temp_expr_table): Initialize expr_vars.
11943 (free_temp_expr_table): Cleanup expr_vars.
11944 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11945 expressions from being merged into one.
11946 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11947 (struct tree_niter_desc): Add control, bound and cmp fields.
11948 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11950 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11951 (tree-cfgcleanup.o): Add SCEV_H dependency.
11952 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11953 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11955 2006-02-14 Richard Guenther <rguenther@suse.de>
11957 PR tree-optimization/26258
11958 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11959 in PHI argument processing.
11961 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11963 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11964 new expression in the requested machine mode.
11966 2006-02-13 Roger Sayle <roger@eyesopen.com>
11968 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11969 directly, instead let do_compare_rtx_and_jump handle this for us.
11970 * expr.c (expand_expr_real_1): Likewise.
11971 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11972 before do_jump_by_parts_greater.
11973 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11974 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11976 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11978 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11980 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11982 PR rtl-optimization/26235
11983 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11984 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11987 2006-02-13 Jeff Law <law@redhat.com>
11989 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11992 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11994 PR middle-end/26092
11995 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11996 twice if decl is a builtin. When trying again, call get_callee_fndecl
11997 first to verify it is still a builtin.
11999 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12001 * dwarf2out.c (base_type_die): Don't add AT_name here.
12002 (subrange_type_die): Don't add AT_name here.
12003 (modified_type_die): Rearrange code flow. Do add AT_name here.
12005 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12007 PR rtl-optimization/26247
12008 PR rtl-optimization/26248
12009 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12011 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12013 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12014 * config/fixtfdi.c: Likewise.
12015 * config/fixunstfdi.c: Likewise.
12016 * config/floatditf.c: Likewise.
12018 2006-02-13 Roger Sayle <roger@eyesopen.com>
12020 PR middle-end/24427
12021 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12022 into (X,C2) if C1 is a subset of the bits of C2. Transform
12023 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12025 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12027 2006-02-13 Josh Conner <jconner@apple.com>
12030 * varasm.c (function_section): Check for section name before
12031 calling select_section on targets that define
12032 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12033 unlikely_text_section instead of hot_function_section if
12034 first_function_block_is_cold.
12036 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12038 PR middle-end/25335
12039 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12041 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12043 PR rtl-optimization/26222
12044 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12045 after tree->rtl expansion.
12046 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12047 before passing it to emit_move_insn.
12049 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12051 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12053 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12054 Clarify documentation.
12055 * c-common.h (warn_write_strings): Remove.
12056 * c-common.c (warn_write_strings): Likewise.
12057 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12060 2006-02-12 Roger Sayle <roger@eyesopen.com>
12062 PR middle-end/25724
12063 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12064 (do_jump_parts_zero_rtx): New function renamed from
12065 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12066 (do_jump_parts_equality_rtx): New function split out from
12067 do_jump_parts_equality. Old implementation renamed as above.
12068 Call do_jump_parts_zero_rtx if either operand is zero.
12069 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12070 do all of the heavy lifting.
12071 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12072 calling either do_jump_by_parts_greater_rtx or
12073 do_jump_by_parts_equality_rtx.
12074 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12075 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12076 moved to do_compare_rtx_and_jump, call it directly.
12077 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12078 mode argument. Call do_compare_rtx_and_jump.
12079 (emit_case_nodes): Update calls to do_jump_if_equal.
12081 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12083 PR rtl-optimization/26225
12084 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12086 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12088 PR rtl-optimization/26232
12089 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12091 2006-02-11 Jason Merrill <jason@redhat.com>
12094 * tree-inline.c (declare_return_variable): Just don't use the
12095 modify target if it's a gimple complex reg and the return slot
12098 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12100 * doc/contrib.texi: Update my entry.
12102 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12104 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12106 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12108 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12111 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12113 * doc/invoke.texi (-floop-optimize2): Removed.
12114 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12115 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12116 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12117 * common.opt (floop-optimize2): Removed.
12118 (fmove-loop-invariants): Enabled by default.
12120 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12122 * tree-if-conv.c (combine_blocks): Free the result of
12123 get_loop_exit_edges.
12125 2006-02-10 Jeff Law <law@redhat.com>
12127 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12129 PR tree-optimization/26213
12130 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12131 loop trying to follow SSA_NAME_VALUE chains.
12133 2006-02-10 Richard Guenther <rguenther@suse.de>
12135 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12136 deal with structures that end in implicitly variable sized arrays.
12138 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12140 PR rtl-optimization/24762
12141 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12144 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12146 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12147 (struct ivopts_data): Add regs_used field.
12148 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12149 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12150 instead of loop_data->regs_used;
12151 (free_loop_data): Do not free aux fields for loops.
12152 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12153 and tree_ssa_iv_optimize_finalize.
12155 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12157 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12159 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12162 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12163 computing the effective result type.
12165 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12167 PR inline-asm/16194
12168 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12169 (tree_overlaps_hard_reg_set): Declare.
12170 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12171 type and signature to match function type expected by walk_tree.
12172 (tree_overlaps_hard_reg_set): New function.
12173 (decl_conflicts_with_clobbers_p): Rename to:
12174 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12175 Use tree_overlaps_hard_reg_set. Changed caller.
12176 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12177 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12178 * cris.c (cris_md_asm_clobbers): Likewise.
12180 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12182 * reload1.c (emit_input_reload_insns): Delete code that tries to
12183 inherit using find_equiv_reg.
12185 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12187 * c-common.h (flag_const_strings): Don't declare.
12188 * c-common.c (flag_const_strings): Remove.
12189 * c.opt (fconst_strings): Remove.
12190 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12191 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12192 (c_common_init_options): Don't set flag_const_strings.
12193 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12195 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12197 * arm.md (tlobits_cbranch): New pattern.
12198 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12199 testing a single bit.
12201 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12204 * tree-ssa-pre.c (create_component_ref_by_pieces):
12205 Handle RETURN_DECL like VAR_DECL.
12207 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12209 PR middle-end/26134
12210 * fold-const.c (fold_indirect_ref_1): Fold
12211 "*(foo *)&complexfoo" to "__real__ complexfoo"
12212 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12214 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12216 * tree-flow-inline.h (var_can_have_subvars):
12217 Volatile variables should not have subvariables.
12219 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12222 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12223 multiplying unsigned values.
12226 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12228 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12230 2006-02-08 Jason Merrill <jason@redhat.com>
12233 * tree.def: Elaborate on difference from MODIFY_EXPR.
12234 * doc/c-tree.texi (INIT_EXPR): Likewise.
12235 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12236 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12237 (gimplify_target_expr): Likewise.
12238 (gimplify_cond_expr): Remove target handling.
12239 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12240 (gimplify_expr): Clobber it here.
12241 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12242 Do return slot optimization if we have an INIT_EXPR.
12245 * tree-inline.c (declare_return_variable): Also clear
12246 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12249 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12251 PR middle-end/22439
12252 * gimplify.c (gimplify_one_sizepos): Fix typo.
12254 2006-02-08 Jeff Law <law@redhat.com>
12256 PR tree-optimization/21417
12257 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12258 across a backedge if the control statement at the end of the
12259 block is data dependent on other statements in the same block.
12260 (record_temporary_equivalences_from_stmts): Remove over-conservative
12261 test for threading across backedges.
12263 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12264 control statement, handle all three special cases in the same
12265 manner as they all have the same desired solution. No longer
12266 special case edge flag updating when the post dominator is
12269 2006-02-08 Roger Sayle <roger@eyesopen.com>
12271 * tree.def (CHAR_TYPE): Remove.
12272 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12273 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12274 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12275 (gen_string_type_die): Delete unreachable function.
12277 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12278 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12279 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12280 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12281 * builtins.c (type_to_class): Likewise.
12282 * fold-const.c (fold_convert, build_range_check,
12283 merge_ranges): Likewise.
12284 * expr.c (count_type_elements): Likewise.
12285 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12286 * stor-layout.c (layout_type): Likewise.
12287 * ipa-type-escape.c (type_to_consider): Likewise.
12288 * gimplify.c (omp_firstprivatize_type_sizes,
12289 gimplify_type_sizes): Likewise.
12290 * explow.c (promote_mode): Likewise.
12291 * tree-sra.c (is_sra_scalar_type): Likewise.
12292 * varasm.c (output_constant): Likewise.
12293 * tree-inline.c (remap_type_1): Likewise.
12294 * convert.c (convert_to_pointer, convert_to_real,
12295 convert_to_integer, convert_to_complex): Likewise.
12297 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12299 * df-scan.c (df_def_record_1): A set destination may
12300 be a parallel regardless of mode.
12302 2006-02-08 Roger Sayle <roger@eyesopen.com>
12305 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12306 * config/mips/_tilib.c: Remove.
12307 * config/fixtfdi.c: New libgcc source file.
12308 * config/fixunstfdi.c: New source file.
12309 * config/floatditf.c: New source file.
12310 * config/floatunditf.c: New souce file.
12311 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12312 files above instead of config/mips/_tilib.c.
12313 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12315 2006-02-08 Jeff Law <law@redhat.com>
12317 PR tree-optimization/26169
12318 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12321 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12323 * df.h (DF_REG_SIZE): Return the length of the initialized
12326 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12328 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12329 __muldf3): Return a correctly signed zero.
12331 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12333 * passes.c (register_one_dump_file): Accept the current properties
12334 instead of pass number. Adjust call to dump_register. Remove
12336 (register_dump_files): Now a wrapper around...
12337 (register_dump_files_1): ... this one. Do not modify the pass
12339 (next_pass_1): Cosmetic fix.
12340 (execute_todo): Keep second parameter only. Use curr_properties
12341 instead of fetching it from the pass structure. Check and set
12343 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12344 instead of fetching it from the pass structure. Fix calls to
12345 execute_todo. Update curr_properties and initialize .vcg RTL dump
12346 after running the pass. Reset last_verified.
12347 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12349 (FIRST_AUTO_NUMBERED_DUMP): New.
12350 (dump_register): Remove "num" parameter, assign it within the
12352 (get_dump_file_name): Modify template for dumps.
12353 * tree-dump.h (dump_register): Adjust prototype.
12354 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12355 (PROP_trees): Add PROP_gimple_lomp.
12356 (TODO_set_props): New.
12357 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12358 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12359 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12361 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12363 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12364 (sparc64-*-linux*): Likewise.
12365 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12366 * config/sparc/t-linux: New file.
12367 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12368 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12369 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12370 -m32 -mlong-double-128.
12372 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12373 * config/alpha/t-linux: New file.
12374 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12376 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12377 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12378 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12379 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12380 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12381 (CPP_ARCH32_SPEC): Remove.
12383 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12385 PR tree-optimization/26145
12386 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12389 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12392 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12393 >= 240000 when generating code for SOM runtime.
12394 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12395 to $$dyncall when generating code for SOM runtime..
12397 2006-02-07 Dirk Mueller <dmueller@suse.com>
12400 * doc/invoke.texi (-Wsequence-point): Update documentation
12401 that -Wsequence-point is implemented for C++ as well.
12403 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12405 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12406 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12407 (LIB_SPEC): Likewise.
12408 * doc/invoke.texi (SPARC options): Document -pthread.
12410 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12412 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12415 2006-02-07 Roger Sayle <roger@eyesopen.com>
12417 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12418 Correct comment describing BOOLEAN_TYPE.
12420 2006-02-07 Dirk Mueller <dmueller@suse.com>
12422 * c.opt: C++ frontend supports -Wdiv-by-zero.
12423 * c-opts.c (c_common_handle_option): Remove dead case.
12425 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12427 * configure.ac (TLS assembler check): Do not enable TLS by
12428 default on SPARC/Solaris before version 10.
12429 * configure: Regenerate.
12431 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12433 * doc/invoke.texi (xl-compat): Document conversion and support
12436 2006-02-07 Jeff Law <law@redhat.com>
12438 * tree-vrp.c (find_conditional_asserts): Update comments.
12439 (simplify_stmt_for_jump_threading): New.
12440 (identify_jump_threads, finalize_jump_threads): New.
12441 (vrp_finalize): Call identify_jump_threads.
12442 (execute_vrp): Call finalize_jump_threads.
12443 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12444 (vrp_element, vrp_data, vrp_element_p): Remove.
12445 (vrp_hash_elt, vrp_variables_stack): Remove.
12446 (vrp_hash, vrp_eq, record_range): Remove.
12447 (simplify_cond_and_lookup_avail_expr): Remove.
12448 (extract_range_from_cond): Remove.
12449 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12450 (simplify_stmt_for_jump_threading): New.
12451 (dom_thread_across_edge): New wrapper.
12452 (tree_ssa_dominator_optimize): No longer initialize or
12453 finalize any of the VRP datastructures. Remove iteration
12454 step and simplify as a result of removal of iteration step.
12455 (pass_dominator): Perform a cfg cleanup after DOM.
12456 (dom_opt_finalize_block): Use the new common routines
12457 for threading jumps. Simplify stack management slightly.
12458 No longer need to unwind VRP state.
12459 (record_equivalences_from_incoming_edge): No longer record
12461 (eliminate_redundant_computations): No longer call
12462 simplify_cond_and_lookup_avail_expr.
12463 * tree-flow.h (potentially_threadable_block): Prototype.
12464 (thread_across_edge): Likewise.
12465 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12466 (tree-ssa-threadedge.o): Add dependencies.
12467 * tree-ssa-threadedge.c: New file.
12468 * passes.c (init_optimization_passes): Merge PHIs before
12469 calling VRP. Run VRP again late in the SSA optimization pipeline.
12471 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12473 * df-core.c (df_set_blocks): Do not dereference function pointers.
12474 (df_finish1): Likewise.
12475 (df_hybrid_search_forward): Likewise.
12476 (df_hybrid_search_backward): Likewise.
12477 (df_iterative_dataflow): Likewise.
12478 (df_analyze_problem): Likewise.
12479 (df_compact_blocks): Likewise.
12480 (df_dump): Likewise.
12481 * df-scan.c (df_rescan_blocks): Likewise.
12482 (df_record_entry_block_defs): Likewise.
12484 * genconditions.c (write_conditions): Guard the definition of
12485 'insn_conditions' with the check on GCC version.
12486 (write_writer): Guard the traversal 'insn_conditions' with
12487 the check on GCC version.
12489 2006-02-07 Richard Guenther <rguenther@suse.de>
12493 2006-01-30 Richard Guenther <rguenther@suse.de>
12495 * gimplify.c (gimplify_target_expr): Handle easy cases
12496 without creating a temporary.
12498 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12500 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12501 use of float in probability computations. Use edge probabilities
12502 in place of statically computed probabilities.
12503 (min_spec_prob): New static variable.
12504 (schedule_insns): Initialize it.
12505 (GET_SRC_PROB): Removed.
12506 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12508 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12511 * config/ia64/unwind-ia64.c: Revert last change.
12512 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12513 (INCOMING_FRAME_SP_OFFSET): Define.
12515 2006-02-06 Roger Sayle <roger@eyesopen.com>
12517 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12519 2006-02-07 Ben Elliston <bje@au.ibm.com>
12521 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12522 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12523 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12524 (ix86_return_in_memory): Handle TDmode.
12525 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12526 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12528 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12530 * reorg.c (dbr_schedule): Use dump_file instead of file.
12532 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12535 * config/ia64/predicates.md (extr_len_operand): New predicate.
12536 * config/ia64/ia64.md (extv): Tighten constraints.
12538 (*tbit_and_2): Ditto.
12539 (*tbit_and_3): Ditto.
12540 (*tbit_or_2): Ditto.
12541 (*tbit_or_3): Ditto.
12542 (*bit_zero): Ditto.
12545 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12548 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12550 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12552 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12553 loop_optimizer_init and loop_optimizer_finalize
12554 * tree-ssa-sink.c (execute_sink_code): Ditto.
12555 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12556 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12557 tree_ssa_loop_done): Ditto.
12558 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12559 * sched-ebb.c: Include output.h.
12560 (schedule_ebbs): Do not use dump argument.
12561 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12562 * loop.c (loop_dump_stream): Removed.
12563 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12565 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12566 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12567 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12568 loop_iterations, strength_reduce, record_biv, record_giv,
12569 final_giv_value, check_final_value, check_ext_dependent_givs,
12570 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12571 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12572 dump_file instead of loop_dump_stream.
12573 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12574 argument dump_file.
12575 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12577 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12578 * haifa-sched.c: Include output.h
12579 (schedule_insns, sched_init): Do not use dump argument.
12580 * mode-switching.c (optimize_mode_switching): Ditto.
12581 * modulo-sched.c (stats_file): Removed.
12582 (print_node_sched_params): Do not call argument dump_file.
12583 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12584 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12586 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12588 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12589 rtl_loop_init, rtl_loop_done): Ditto.
12590 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12591 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12593 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12594 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12595 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12596 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12597 * emit-rtl.c (renumber_insns): Ditto.
12598 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12599 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12600 * regclass.c (regclass): Ditto.
12601 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12602 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12603 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12604 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12606 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12607 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12609 * gcse.c (gcse_file, debug_stderr): Removed.
12610 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12611 rest_of_handle_gcse): Do not use dump argument.
12612 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12613 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12614 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12615 compute_code_hoist_vbeinout, compute_code_hoist_data,
12616 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12617 compute_store_table, build_store_vectors, insert_insn_start_bb,
12618 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12619 store_motion): Use dump_file instead of gcse_file.
12620 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12621 * profile.c (profile_dump_file): Removed.
12622 (branch_prob): Use dump_file instead of profile_dump_file.
12623 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12625 * tree-ssa-copy.c (dump_copy_of): Ditto.
12626 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12627 dump file to life_analysis.
12628 * bt-load.c (branch_target_load_optimize): Ditto.
12629 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12631 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12632 regclass, dbr_schedule): Declaration changed.
12633 * sched-int.h (sched_init): Declaration changed.
12634 * tree-profile.c (tree_profile_dump_file): Removed.
12635 (tree_profile_hooks): Removed profile_dump_file hook.
12636 * rtl-profile (rtl_profile_dump_file): Removed.
12637 (rtl_profile_hooks): emoved profile_dump_file hook.
12638 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12640 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12641 * tree-cfg.c (build_tree_cfg): Ditto.
12642 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12643 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12644 Declaration changed.
12645 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12646 life_analysis and schedule_insns.
12647 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12649 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12651 * config/mips/mips.c (mips_reorg): Ditto.
12652 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12655 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12657 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12658 (s390_mangle_fundamental_type): New.
12659 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12662 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12663 (alpha_mangle_fundamental_type): New.
12664 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12667 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12669 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12671 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12672 (sparc_mangle_fundamental_type): New.
12674 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12676 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12677 (s390x-*-linux*): Likewise.
12678 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12679 * config/s390/t-linux: New file.
12681 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12683 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12684 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12686 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12688 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12689 (ANTIC_SAFE_LOADS): New macro.
12690 (find_or_generate_expression): Add prototype.
12691 (set_contains_value): Allow null set for sake of not always having
12692 to allocate ANTIC_SAFE_LOADS.
12693 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12694 Allow COMPONENT_REF too.
12695 (valid_in_set): Allow COMPONENT_REF.
12696 Check ANTIC_SAFE_LOADS too.
12697 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12698 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12700 (can_PRE_operation): Add COMPONENT_REF.
12701 (create_component_ref_by_pieces): New function.
12702 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12703 (insert_aux): Move AGGREGATE_TYPE_P check here.
12704 (compute_avail): Set bb local stmt uids.
12705 (pass_pre): Use TODO_update_ssa_only_virtuals.
12707 2006-02-06 Ben Elliston <bje@au.ibm.com>
12709 * configure.ac: Unconditionally disable decimal float by default.
12710 * configure: Regenerate.
12712 2006-02-06 Ben Elliston <bje@au.ibm.com>
12714 * read-rtl.c (read_name): Terminate reading on EOF.
12716 2006-02-06 Ben Elliston <bje@au.ibm.com>
12718 * dfp.c (decimal_real_arithmetic): Change second argument type
12719 from int to enum tree_code. Do not always return true, but now
12720 return result of any call to decimal_do helper functions.
12721 * dfp.h (decimal_real_arithmetic): Update prototype.
12723 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12725 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12727 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12730 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12733 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12735 * tree-vrp.c (cfg_loops): Removed.
12736 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12737 Use current_loops instead of cfg_loops. Pass flags to
12738 loop_optimizer_init.
12739 * cfgloopmanip.c (fix_loop_structure): Update only available
12741 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12742 loop_optimizer_init.
12743 * modulo-sched.c (build_loops_structure): Removed.
12744 (sms_schedule): Use loop_optimizer_init.
12745 * loop-init.c (loop_optimizer_init): Use flags to determine
12746 which properties of loops to prepare.
12747 (rtl_loop_init): Pass flags to loop_optimizer_init.
12748 * tree-ssa-sink.c (execute_sink_code): Ditto.
12749 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12750 * tree-ssa-pre.c (init_pre): Ditto.
12751 * cfgloop.h (LOOPS_NORMAL): New.
12752 (loop_optimizer_init): Declaration changed.
12754 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12756 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12757 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12759 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12761 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12763 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12764 * pa/t-pa64: Delete quadlib.c rule.
12765 * pa/x-ada: Revert last change.
12766 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12768 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12770 PR rtl-optimization/26087
12771 * rtlanal.c (canonicalize_condition): Do not cross basic block
12774 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12777 * config/ia64/ia64.c: Include debug.h.
12778 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12779 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12780 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12781 (process_epilogue, process_set, process_for_unwind_directive):
12782 Output unwind info only if requested. Add CFA info if requested.
12783 Add new arguments as needed. Adjust callers.
12784 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12786 (DWARF2_FRAME_INFO): Define to zero.
12787 * config/ia64/unwind-ia64.c: Remove code that compensated for
12788 the CFA offset error fixed above.
12789 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12790 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12791 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12792 -funwind-tables and -fexceptions to enable frame info.
12793 (dwarf2out_frame_init): Define initial CFA even if
12794 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12795 DWARF2_UNWIND_INFO is nonzero, not just defined.
12796 (dwarf2out_frame_finish): Output non-EH call frame info only
12797 if DWARF2_FRAME_INFO is nonzero.
12798 (convert_cfa_to_loc_list,
12799 compute_frame_pointer_to_cfa_displacement): Define even if
12800 unwind info is not supported.
12801 (gen_subprogram_die): Use the above unconditionally. Remove
12802 legacy alternate code.
12803 * toplev.c (compile_file): Compile in call to
12804 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12805 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12807 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12808 Jakub Jelinek <jakub@redhat.com>
12810 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12811 IBM extended float format long double as "g" on powerpc*-linux.
12813 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12816 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12817 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12819 2006-02-03 Jason Merrill <jason@redhat.com>
12822 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12824 PR middle-end/25977
12825 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12826 on the return slot if it's an NRV.
12828 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12830 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12831 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12832 rewrite_use): Do not handle USE_OUTER.
12833 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12834 add_iv_outer_candidates, may_replace_final_value,
12835 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12836 (find_interesting_uses_op): Functionality of
12837 find_interesting_uses_outer_or_nonlin moved here.
12838 (find_interesting_uses_outside): Use find_interesting_uses_op.
12840 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12843 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12845 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12846 Ulrich Weigand <uweigand@de.ibm.com>
12849 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12850 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12851 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12852 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12854 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12855 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12856 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12857 Define secondary reloads for TFmode moves.
12858 (constant_modes): Add TFmode.
12859 (NR_C_MODES): Set to 8.
12860 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12862 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12863 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12864 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12865 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12866 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12867 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12868 (FPR mode macro): Add TFmode.
12869 (DSF mode macro): New.
12870 (<de>, <dee> mode attributes): Removed.
12871 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12872 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12873 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12874 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12875 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12876 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12877 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12878 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12879 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12880 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12881 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12882 "*negabs<mode>2", "sqrt<mode>2"):
12883 Changed <de> to <xde>. R constraint replaced by <Rf>.
12884 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12886 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12887 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12888 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12890 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12891 "extenddftf2", "extendsftf2"): New expanders.
12892 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12893 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12894 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12895 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12897 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12898 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12899 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12900 __floatditf): Add a GCC_4.1.0 symbol version tag.
12901 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12904 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12907 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12908 Use targetm.binds_local_p instead of TREE_PUBLIC.
12910 2006-02-02 Roger Sayle <roger@eyesopen.com>
12912 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12913 on INTEGER_TYPEs to indicate that it denotes a character type.
12914 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12915 signed_char_type_node, unsigned_char_type_node and char_type_node.
12916 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12917 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12918 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12920 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12921 Daniel Berlin <dberlin@dberlin.org>
12923 * tree-tailcall.c (arg_needs_copy_p): New function.
12924 (eliminate_tail_call): Use arg_needs_copy_p.
12925 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12926 (add_virtual_phis): New function.
12928 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12930 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12931 #ignore instead of #scratch for %g7 .register directive.
12933 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12935 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12938 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12940 * flow.c (calculate_global_regs_live): Assert that there aren't any
12943 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12945 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12946 what its name says.
12947 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12948 bsi_after_labels iterator.
12949 * tree-if-conv.c (find_phi_replacement_condition,
12950 replace_phi_with_cond_modify_expr): Likewise.
12951 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12952 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12954 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12956 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12958 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12961 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12962 array after growing it.
12964 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12966 PR middle-end/24901
12967 * fold-const.c (fold_checksum_tree): Change type of buf.
12969 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12971 * reload.c (push_secondary_reload): Initialize t_icode.
12973 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12975 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12976 -msoft-float -mlong-double-128 only issue a warning, but don't
12977 swich to DFmode long double.
12979 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12981 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12982 has a constant equivalent, iterate over equivalents for arg0,
12983 calling simplify_relational_operation and if there's a result
12984 cheaper than X, apply fold_rtx and return the result.
12986 2006-02-01 Jan Hubicka <jh@suse.cz>
12988 * opts.c (no_unit_at_a_time_default): New global variable.
12989 (decode_options): Use it.
12990 * opts.h (no_unit_at_a_time_default): Declare.
12992 2006-02-01 Paul Brook <paul@codesourcery.com>
12994 * function.c (assign_parm_setup_reg): Use function argument promotion
12996 * expr.c (expand_expr_real_1): Use function argument promotion rules
12999 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13001 * gcc.c (process_command): Change j to 'unsigned int'.
13003 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13005 PR middle-end/26001
13006 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13007 Use the corrected index for the character
13008 out of the string constant.
13010 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13012 * mode-switching.c (optimize_mode_switching): Fix size
13013 allocated for bb_info[n_entities].
13015 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13017 * gcc.c (main): Correct type that is allocated for
13018 explicit_link_files.
13020 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13022 * config/s390/s390.c (init_alignment_context): Set
13023 ALIAS_SET_MEMORY_BARRIER on the MEM.
13024 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13026 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13028 PR middle-end/25933
13029 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13031 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13034 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13036 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13037 * regrename.c: Ditto.
13038 * tree-ssa-loop-im.c: Ditto.
13039 * tree-dump.c: Ditto.
13040 * tree-complex.c: Ditto.
13041 * genrecog.c: Ditto.
13042 * tree-ssa-threadupdate.c: Ditto.
13044 * java/class.c: Ditto.
13045 * java/jcf-parse.c: Ditto.
13046 * java/resource.c: Ditto.
13047 * java/except.c: Ditto.
13048 * java/jvspec.c: Ditto.
13049 * java/jcf-write.c: Ditto.
13050 * java/jcf-path.c: Ditto.
13051 * java/gjavah.c: Ditto.
13052 * java/zextract.c: Ditto.
13053 * java/jcf-io.c: Ditto.
13054 * java/jcf.h: Ditto.
13055 * java/buffer.c: Ditto.
13056 * java/lang.c: Ditto.
13057 * java/parse-scan.y: Ditto.
13058 * java/lex.c: Ditto.
13059 * java/lex.h: Ditto.
13060 * cfgloopmanip.c: Ditto.
13061 * postreload-gcse.c: Ditto.
13062 * tree-ssa-loop-manip.c: Ditto.
13063 * postreload.c: Ditto.
13064 * tree-ssa-loop-ch.c: Ditto.
13067 * cppspec.c: Ditto.
13068 * diagnostic.c: Ditto.
13070 * genoutput.c: Ditto.
13072 * cfghooks.c: Ditto.
13073 * cfgloopanal.c: Ditto.
13074 * objc/objc-act.c: Ditto.
13076 * genextract.c: Ditto.
13077 * genautomata.c: Ditto.
13078 * pretty-print.c: Ditto.
13079 * genemit.c: Ditto.
13080 * cgraphunit.c: Ditto.
13082 * df-scan.c: Ditto.
13083 * haifa-sched.c: Ditto.
13084 * dominance.c: Ditto.
13086 * tree-ssa-loop-ivopts.c: Ditto.
13087 * df-core.c: Ditto.
13088 * mode-switching.c: Ditto.
13089 * modulo-sched.c: Ditto.
13091 * ipa-pure-const.c: Ditto.
13093 * fix-header.c: Ditto.
13095 * tree-stdarg.c: Ditto.
13096 * ipa-utils.c: Ditto.
13097 * loop-init.c: Ditto.
13098 * ipa-inline.c: Ditto.
13099 * cfganal.c: Ditto.
13101 * alloc-pool.c: Ditto.
13102 * dwarf2out.c: Ditto.
13104 * genattrtab.c: Ditto.
13105 * tree-ssa-loop-ivcanon.c: Ditto.
13106 * predict.c: Ditto.
13107 * timevar.c: Ditto.
13109 * fortran/gfortranspec.c: Ditto.
13110 * regmove.c: Ditto.
13111 * local-alloc.c: Ditto.
13112 * langhooks.c: Ditto.
13113 * function.c: Ditto.
13114 * tree-vectorizer.c: Ditto.
13116 * ipa-type-escape.c: Ditto.
13118 * tree-if-conv.c: Ditto.
13119 * profile.c: Ditto.
13121 * tree-data-ref.c: Ditto.
13122 * loop-unroll.c: Ditto.
13123 * treelang/treetree.c: Ditto.
13125 * bt-load.c: Ditto.
13126 * ggc-common.c: Ditto.
13128 * coverage.c: Ditto.
13130 * tree-cfgcleanup.c: Ditto.
13131 * tree-ssa-pre.c: Ditto.
13132 * cfgcleanup.c: Ditto.
13133 * loop-invariant.c: Ditto.
13134 * loop-iv.c: Ditto.
13135 * ipa-prop.c: Ditto.
13136 * print-tree.c: Ditto.
13137 * conflict.c: Ditto.
13138 * ggc-page.c: Ditto.
13139 * sched-deps.c: Ditto.
13140 * regclass.c: Ditto.
13141 * tree-object-size.c: Ditto.
13142 * combine.c: Ditto.
13143 * bb-reorder.c: Ditto.
13144 * resource.c: Ditto.
13145 * var-tracking.c: Ditto.
13146 * cfgloop.c: Ditto.
13147 * df-problems.c: Ditto.
13148 * reg-stack.c: Ditto.
13150 * gccspec.c: Ditto.
13151 * sched-rgn.c: Ditto.
13152 * tree-ssa-structalias.c: Ditto.
13153 * tree-ssa-reassoc.c: Ditto.
13154 * config/darwin-c.c: Ditto.
13155 * config/darwin.c: Ditto.
13156 * config/arm/arm.c: Ditto.
13158 * collect2.c: Ditto.
13159 * reload1.c: Ditto.
13161 2006-01-31 Nicolas Pitre <nico@cam.org>
13163 * arm.md (smaxsi3): Make aware of smax_m1.
13166 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13168 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13170 2006-01-31 Richard Guenther <rguenther@suse.de>
13172 * doc/invoke.texi (-msselibm): Document.
13173 * target.h (expand_library_builtin): New target hook.
13174 * builtins.c (expand_builtin): Use expand_library_builtin.
13175 (default_expand_library_builtin): New function.
13176 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13177 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13178 (link_gcc_math_spec): Declare.
13179 (static_specs): Add link_gcc_math_spec.
13180 * expr.h (default_expand_library_builtin): Declare.
13181 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13182 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13183 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13184 * config/i386/i386.opt (msselibm): New target option.
13185 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13186 (ix86_init_sse_abi_builtins): New function.
13187 (ix86_expand_library_builtin): Likewise.
13188 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13189 (override_options): Handle error conditions wrt -msselibm.
13190 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13191 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13192 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13195 2006-01-31 Richard Guenther <rguenther@suse.de>
13196 Paolo Bonzini <bonzini@gnu.org>
13198 * doc/install.texi (--disable-libgcc-math): Document.
13200 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13202 * expr.h (expand_normal): new inline function.
13203 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13204 * dojump.c: use it.
13205 * dwarf2out.c: use it.
13208 * expmed.c: use it.
13209 * except.c: use it.
13210 * config/sparc/sparc.c: use it.
13211 * config/i386/i386.c: use it.
13212 * config/rs6000/rs6000.c: use it.
13213 * config/arm/arm.c: use it.
13214 * config/mips/mips.c: use it.
13215 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13217 2006-01-30 Roger Sayle <roger@eyesopen.com>
13219 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13220 argv to the appropriate type.
13222 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13224 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13227 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13230 * config/s390/s390.c (struct machine_function): New flag
13231 decomposed_literal_pool_addresses_ok_p.
13232 (s390_reorg): Set it before final stage of literal pool transforms.
13233 (s390_decompose_address): Only accept displacements of the form
13234 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13236 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13238 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13239 the comparison routine return.
13241 2006-01-30 Michael Matz <matz@suse.de>
13243 * global.c (find_reg): Only evict for global regs.
13244 Take n_refs into account and dump more info.
13246 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13249 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13250 (pragma_trap, pragma_nosave_low_regs): Likewise.
13251 (current_function_anonymous_args): Likewise.
13252 (sh_deferred_function_attributes): New variable.
13253 (sh_deferred_function_attributes_tail): Likewise.
13254 (print_operand): For '@', look up trap_exit attribute.
13255 (calc_live_regs): Look up trapa_handler attribute. For trapa
13256 handlers, save/restore fpscr, but don't do any other
13257 interrupt-specific saves.
13258 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13259 Fix check for partially saved registers to check for SHmedia.
13260 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13261 (sh_output_function_epilogue): Don't clear any of the removed
13263 (sh_insert_attributes): Don't check pragma_interrupt.
13264 Insert deferred attributes. Check that interrupt attribute is
13265 present for other attributes that require its presence.
13266 (sh_attribute_table): Add new attributes trapa_handler and
13268 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13269 Don't check for pragma_interrupt. Don't store argument.
13270 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13271 (sh_deferred_function_attributes): Declare.
13272 (sh_deferred_function_attributes_tail): Likewise.
13273 * sh.md (sp_switch_1): Add operand. Change generator caller.
13274 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13275 (*return_i): Don't use when trap_exit attribute is in effect.
13276 (*return_trapa): New insn pattern.
13277 * sh-c.c: New file.
13278 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13279 setting c_target_objs and cxx_target_objs.
13280 * t-sh: Add rule for sh-c.o.
13282 2006-01-30 Richard Guenther <rguenther@suse.de>
13285 * gimplify.c (gimplify_target_expr): Handle easy cases
13286 without creating a temporary.
13288 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13290 * vec.h (safe_grow): Remove duplicated line.
13292 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13295 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13296 (expand_omp): ... here.
13297 (expand_omp_parallel): Only remove barriers for combined
13298 parallel+workshare constructs.
13300 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13304 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13305 * tree.c (build_qualified_type): Chain the new type to the original
13306 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13307 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13308 (build_pointer_type_for_mode): Only return unqualified types.
13309 (build_reference_type_for_mode): Likewise.
13311 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13313 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13314 * Makefile.in (CXX_COMPAT_WARN): Define.
13315 * configure: Regenerate.
13317 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13320 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13323 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13325 * toplev.c: Fix thinko.
13327 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13328 Marcin Dalecki <martin@dalecki.de>
13330 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13331 (push_srcloc): Use XNEW.
13332 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13334 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13336 * df-core.c (df_set_blocks): Deleted all variable.
13338 2006-01-28 Ian Lance Taylor <ian@airs.com>
13340 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13341 cgraph_output_pending_asms.
13343 2006-01-28 Zack Weinberg <zackw@panix.com>
13345 * c.opt: Add -W(no-)overlength-strings.
13346 * doc/invoke.texi: Document it.
13347 * c-opts.c (c_common_handle_option): -pedantic implies
13348 -Woverlength-strings, if not explicitly disabled already.
13349 (c_common_post_options): -Woverlength-strings defaults to off, and
13350 is always off for C++.
13351 * c-common.c (fix_string_type): Issue warning about strings longer
13352 than is portable only if warn_overlength_strings. Rearrange code
13353 a little for clarity.
13354 * configure.in: Check for -Wno-overlength-strings as well before
13355 enabling -pedantic in stage 1.
13356 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13357 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13359 * genconditions.c (write_header, write_one_condition)
13360 (write_conditions, write_writer): Consolidate very long strings
13361 that were broken up to fit in C89 portable limit. Don't use
13362 printf when fputs will do.
13364 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13366 * combine.c (simplify_comparison <AND>): Check
13367 TRULY_NOOP_TRUNCATION before start using a subreg.
13369 * config/mips/mips.md (*branch_zero<mode>,
13370 *branch_zero<mode>_inverted, *branch_equality<mode>,
13371 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13372 Remove mode check from comparisons.
13374 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13376 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13378 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13380 * expmed.c (const_mult_add_overflow_p): Remove.
13381 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13383 * recog.c (validate_replace_rtx_subexp): Remove.
13384 * recog.h: Remove the prototype for
13385 validate_replace_rtx_subexp.
13387 * integrate.h: Remove the prototype for
13388 copy_decl_for_inlining.
13389 * rtl.h: Remove the prototype for mark_constant_function.
13390 * tree-vectorizer.h: Remove the prototype for
13391 vect_strip_conversion.
13393 * modulo-sched.c (create_partial_schedule,
13394 free_partial_schedule, reset_partial_schedule): Make them
13397 * hooks.c (hook_bool_rtx_int_false): Remove.
13398 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13400 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13402 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13403 and -mlong-double-128 are incompatible.
13404 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13405 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13406 (TARGET_LIBGCC2_CFLAGS): Define.
13407 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13408 (TARGET_LIBGCC2_CFLAGS): Same.
13409 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13411 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13414 * c-typeck.c (build_binary_op): Perform implicit casts of
13415 operands before shortening them.
13417 * cfgloopmanip.c (split_loop_bb): Remove.
13418 * cfgloop.h: Remove the prototype for split_loop_bb.
13420 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13421 * cfgloop.h: Remove the prototype for
13422 flow_loop_outside_edge_p.
13424 * emit-rtl.c (init_virtual_regs): Make it static.
13425 * function.h: Remove the prototype for init_virtual_regs.
13427 * recog.c (peephole2_optimize): Make it static.
13428 * recog.h: Remove the prototype for peephole2_optimize.
13430 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13432 * df-scan.c (df_record_entry_block_defs): Check if
13433 INCOMING_RETURN_ADDR_RTX is defined.
13435 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13436 Kenneth Zadeck <zadeck@naturalbridge.com>
13438 PR rtl-optimization/24762
13439 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13440 * targhooks.c (hook_void_bitmap): New hook prototype.
13441 * targhoohs.h (hook_void_bitmap): Ditto.
13442 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13443 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13444 * target.h (live_on_entry): New function pointer.
13445 * df-scan.c (df_all_hard_regs): Removed.
13446 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13447 (df_scan_free_internal): Added df->entry_block_defs.
13448 (df_scan_alloc): Ditto.
13449 (df_scan_dump): Ditto.
13450 (df_uses_record): Plumbed flag field properly thru calls.
13451 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13452 This part fixes PR24762.
13453 (df_bb_refs_record): Added code to make the frame and arg
13454 pointers live in EH blocks.
13455 (df_refs_record): Added call to df_record_entry_block_defs.
13456 (df_record_entry_block_defs): New function.
13457 * df-core.c: Added comments to describe new artifical defs.
13458 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13459 (entry_block_defs): New field in struct df.
13460 (df_all_hard_regs): Deleted.
13461 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13462 * df-problems.c (df_ru_bb_local_compute_process_def):
13463 Added code to handle artifical defs in the entry to a function.
13464 (df_ru_bb_local_compute): Ditto.
13465 (df_rd_bb_local_compute_process_def): Ditto.
13466 (df_rd_bb_local_compute): Ditto.
13467 (df_lr_bb_local_compute): Ditto.
13468 (df_ur_bb_local_compute): Ditto.
13469 (df_urec_bb_local_compute): Ditto.
13470 (df_chain_create_bb): Ditto.
13471 (df_ur_local_finalize): Removed entry.
13472 (df_urec_init): Ditto.
13473 (df_urec_local_finalize): Ditto.
13474 (df_ri_bb_compute): Added detection of last use of pseudos.
13475 * Makefile.in (df-scan.o): Updated dependencies.
13476 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13477 * config/mips/mips.c (mips_set_live_on_entry): Added.
13478 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13480 * dce.c (marked_insn_p): Added code to handle artifical defs.
13482 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13484 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13486 (_mm_cvtsi128_si64): Likewise.
13487 (_mm_cvtsd_si64): Likewise.
13488 (_mm_cvttsd_si64): Likewise.
13489 (_mm_cvtsi64_sd): Likewise.
13490 (_mm_cvtsi64_si128): Likewise.
13491 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13492 (_mm_cvtsi64_m64): Likewise.
13493 (_m_to_int64): Likewise.
13494 (_mm_cvtm64_si64): Likewise.
13495 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13496 (_mm_cvttss_si64): Likewise.
13497 (_mm_cvtsi64_ss): Likewise.
13498 (_mm_cvtss_f32): Likewise.
13500 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13502 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13503 for pragma redefine_extname.
13505 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13508 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13509 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13510 -mno-minimal-toc to previous content.
13511 (bispecs): Remove goal.
13512 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13513 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13514 compatibility aliases on powerpc-*-*gnu*.
13515 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13516 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13517 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13518 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13519 (ldblspecs): New goal.
13520 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13521 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13523 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13524 L_sf_to_tf or L_df_to_tf is defined.
13526 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13527 Alan Modra <amodra@bigpond.net.au>
13530 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13531 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13532 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13533 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13534 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13535 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13536 (rs6000_override_options): Initialize rs6000_ieeequad.
13537 Initialize TFmode format to ibm_extended_format if not
13539 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13541 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13542 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13543 (function_arg_advance): IBM long double passed in two FPRs, not
13545 (function_arg): IBM long double passed in FPRs.
13546 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13547 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13548 Only multireg GPR aligned.
13549 (rs6000_init_libfuncs): Enable IBM long double functions if not
13551 (rs6000_generate_compare): Use IBM long double compare if not
13553 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13554 (TARGET_IEEEQUAD): Define.
13555 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13556 not TARGET_IEEEQUAD.
13557 * config/rs6000/rs6000.md: Enable TFmode patterns if
13559 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13560 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13561 and -mlong-double-128 are incompatible.
13562 * doc/invoke.texi (-mabi): Collect options together. Add
13563 ibmlongdouble and ieeelongdouble.
13565 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13567 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13569 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13570 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13571 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13572 * rtl.h (rtunion_def): Remove rt_ptr.
13574 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13575 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13576 * config/i386/winnt.c (i386_pe_mark_dllexport)
13577 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13579 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13581 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13583 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13587 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13588 pthread_key_delete. From John David Anglin. gthrw-ify
13589 pthread_getunique_np only if it it's not a macro. Delete
13591 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13592 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13593 __gthread_objc_condition_signal, __gthread_key_delete): Add
13594 "__attribute__ ((__unused__))" to unused arguments.
13595 (__gthread_recursive_mutex_init_function): Add missing return.
13596 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13597 gthr-posix95.h: Use macro-based approach for name redirection
13598 on targets missing weakref.
13600 2006-01-26 Zack Weinberg <zackw@panix.com>
13602 * genconditions.c (write_header): In generated code, #ifdef out
13603 all includes and fake declarations, except includes of bconfig.h
13604 and system.h, unless GCC_VERSION >= 3001. Do not include
13605 gensupport.h in any case.
13606 (write_conditions): Generate a definition of struct c_test. Add
13607 a comment to the generated #endif.
13608 (write_one_condition): Escape backslashes in string too.
13609 (write_writer): Generated code must escape backslashes and quote
13610 marks (but not newlines) in the strings it writes.
13611 * Makefile.in (build/gencondmd.o): Update dependencies.
13613 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13616 * Makefile.in (insn-automata.o): Add header file dependencies.
13617 * genautomata.c: Add includes.
13619 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13622 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13624 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13626 * configure.ac: Expect target tools paths to be passed from the toplevel
13627 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13629 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13631 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13634 * c.opt (Wpointer-sign): Init to -1.
13635 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13636 OPT_pedantic, to 0 otherwise.
13637 * doc/invoke.texi: Update.
13639 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13641 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13642 constants provided by 80387 instructions in the destination mode.
13644 2006-01-26 Richard Guenther <rguenther@suse.de>
13645 Andrew Pinski <pinskia@physics.uc.edu>
13648 partial PR tree-opt/17064
13649 * tree-ssa-structalias.c (intra_create_variable_infos):
13650 Create heap variables for incoming parameters if
13651 flag_argument_noalias > 1.
13652 (find_what_p_points_to): Look through default defs of
13655 2006-01-26 Jeff Law <law@redhat.com>
13658 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13659 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13660 within the VR_RANGE, use the VR_RANGE as the result, not the
13662 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13663 bounds for the type.
13665 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13667 * tree-ssa-alias.c (maybe_create_global_var): Change
13668 subvar walking to an assertion that we don't have subvar'd variables.
13670 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13673 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13674 Use a new variable, inner. PARM_DECLs are always non-weak.
13676 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13678 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13679 --disable-checking.
13681 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13683 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13685 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13687 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13688 (smax_insn, smin_insn, smax_0, smin_0): New.
13690 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13693 * config/cris/cris.c (cris_order_for_addsi3): New function.
13694 * config/cris/cris-protos.h: Prototype it.
13695 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13696 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13697 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13698 (split for "op.S1 [rx=rx+i],ry (swapped)")
13699 (split for "op(s|u).S1 [rx=rx+i],ry")
13700 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13701 Apply cris_order_for_addsi3 when generating addsi3 insns.
13703 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13705 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13706 (TREE_BLOCK): Add call to EXPR_CHECK.
13708 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13711 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13712 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13713 (dump_omp_clauses): ... here.
13714 (dump_generic_node): Handle OMP_CLAUSE.
13715 * tree.c (omp_clause_num_ops): New.
13716 (omp_clause_code_name): New.
13717 (tree_code_size): Handle OMP_CLAUSE.
13718 (tree_size): Likewise.
13719 (make_node): Document handling of OMP_CLAUSE.
13720 (tree_node_structure): Handle OMP_CLAUSE.
13721 (omp_clause_check_failed): New.
13722 (omp_clause_range_check_failed): New.
13723 (omp_clause_operand_check_failed): New.
13724 (build_omp_clause): New.
13725 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13726 * tree.h (enum omp_clause_code): Declare.
13727 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13728 (OMP_CLAUSE_RANGE_CHECK): Define.
13729 (OMP_CLAUSE_ELT_CHECK): Define.
13730 (omp_clause_check_failed): Declare.
13731 (omp_clause_operand_check_failed): Declare.
13732 (omp_clause_range_check_failed): Declare.
13733 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13734 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13735 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13736 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13737 (OMP_CLAUSE_IF_EXPR): Likewise.
13738 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13739 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13740 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13741 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13742 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13743 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13744 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13745 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13746 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13747 (OMP_CLAUSE_CODE): Define.
13748 (OMP_CLAUSE_SET_CODE): Define.
13749 (OMP_CLAUSE_CODE): Define.
13750 (OMP_CLAUSE_OPERAND): Define.
13751 (struct tree_omp_clause): Declare.
13752 (union tree_node): Add field 'omp_clause'.
13753 * treestruct.def (TS_OMP_CLAUSE): Define.
13754 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13755 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13756 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13757 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13758 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13759 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13760 (OMP_CLAUSE): Define.
13761 * print-tree.c (print_node): Handle OMP_CLAUSE.
13762 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13763 * c-typeck.c: Likewise.
13764 * gimplify.c: Likewise.
13765 * c-omp.c: Likewise.
13766 * tree-nested.c: Likewise.
13767 * tree-inline.c: Likewise.
13768 * c-parser.c: Likewise.
13769 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13772 2006-01-25 Roger Sayle <roger@eyesopen.com>
13774 PR rtl-optimization/25703
13775 * combine.c (try_combine): Handle zero_extract and strict_low_part
13776 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13778 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13780 * global.c: Fix comment typos.
13782 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13785 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13786 Use output_addr_const instead of assemble_name.
13788 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13790 * Makefile.in (sched-vis.o): Update dependencies.
13791 * haifa-sched.c (sched_finish): Clear current_sched_info.
13792 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13793 (dump_flow_info): Call it.
13794 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13796 * basic-block.h (dump_bb_info): Declare.
13797 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13798 option, and apply options only for dump files whose TDF_RTL,
13799 TDF_TREE, or TDF_IPA bits match.
13800 * rtl.h: Declare new functions exported from sched-vis.c.
13801 * sched-vis.c: Enable also if scheduling is not used.
13802 (print_value): Print the mode of registers if not inside scheduling.
13803 (print_insn): Make it work outside the scheduler. Beautify the output
13805 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13807 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13809 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13810 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13811 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13812 depending on the value of CONSTANT_POOL_ADDRESS_P.
13813 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13815 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13816 rather than SYMBOL_REF_DECL.
13817 (rtx_constant_pool): Remove const_rtx_sym_htab.
13818 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13819 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13820 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13821 Remove handling of const_rtx_sym_htab.
13822 (find_pool_constant): Delete.
13823 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13824 rather than find_pool_constant.
13825 (get_pool_constant_for_function): Delete.
13826 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13827 find_pool_constant.
13828 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13829 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13830 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13831 (SYMBOL_REF_CONSTANT): New macro.
13832 (get_pool_constant_for_function): Delete.
13833 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13834 rather than SYMBOL_REF_DECL.
13835 (i386_pe_mark_dllimport): Likewise.
13836 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13837 rather than SYMBOL_REF_DECL.
13838 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13839 (machopic_indirect_call_target): Likewise.
13841 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13843 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13845 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13847 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13849 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13851 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13853 2006-01-24 David Daney <ddaney@avtrex.com>
13856 * configure.ac (enable_tls): New enable option.
13857 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13858 * configure: Regenerate.
13859 * doc/install.texi (--enable-tls): Document new option.
13860 (--disable-tls): Ditto.
13862 2006-01-24 Richard Henderson <rth@redehat.com>
13864 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13865 * alias.c (true_dependence): Respect it.
13866 (canon_true_dependence, write_dependence_p): Likewise.
13867 * builtins.c (get_builtin_sync_mem): Set it.
13869 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13871 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13874 2006-01-24 DJ Delorie <dj@redhat.com>
13876 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13877 for storing constants in single-bit bitfields.
13879 2006-01-25 Ben Elliston <bje@au.ibm.com>
13881 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13883 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13886 * tree-ssa-pre.c (phi_translate): Return NULL
13887 for AGGREGATE_TYPE's.
13889 2006-01-24 Zack Weinberg <zackw@panix.com>
13891 * genautomata.c (process_state_for_insn_equiv_partition):
13892 Use xcalloc for insn_arcs_array.
13893 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13894 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13896 2006-01-24 Richard Henderson <rth@redhat.com>
13898 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13899 update all callers.
13901 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13903 PR rtl-optimization/25890
13904 PR rtl-optimization/25905
13905 * combine.c (expand_compound_operation, expand_field_assignment):
13906 Fail if the bitfield's final position is out of bounds.
13908 2006-01-24 Ian Lance Taylor <ian@airs.com>
13910 PR middle-end/25930
13911 * cgraphunit.c (cgraph_output_in_order): Don't clear
13912 cgraph_asm_nodes until after asm strings have been output.
13914 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13916 * fix-header.c (read_scan_file): Add new parameter imultilib when
13917 calling register_include_chains.
13919 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13921 * omp-low.c: Update documentation.
13923 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13924 Daniel Berlin <dberlin@dberlin.org>
13928 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13929 return from the function.
13931 2006-01-22 Zack Weinberg <zackw@panix.com>
13933 * rtl.def (match_code): Add second argument.
13934 * genpreds.c (write_extract_subexp): New function.
13935 (write_match_code): Add path argument. Use write_extract_subexp.
13936 (write_predicate_expr): Pass path to write_match_code.
13937 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13938 not perform a mode test.
13939 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13940 a subexpression does not constrain the top-level code set.
13941 * read-rtl.c (read_rtx_variadic): New function.
13942 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13943 * doc/md.texi: Document new notation.
13944 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13945 (cmpsi_operand): ... here, using new notation.
13947 2006-01-22 Zack Weinberg <zackw@panix.com>
13949 * varray.c: Remove GENERATOR_FILE #ifdefs.
13951 2006-01-22 Zack Weinberg <zackw@panix.com>
13953 * genautomata.c (output_reserved_units_table): Emit nothing if
13954 description->query_units_num is zero. Remove extra blank line.
13955 (output_cpu_unit_reservation_p): Short circuit
13956 if description->query_units_num is zero.
13958 2006-01-22 Zack Weinberg <zackw@panix.com>
13960 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13961 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13962 nor any of the random handful of variables that used to be necessary
13963 when this program was linked with rtlanal.o. Prune set of forward
13964 function declarations.
13965 (struct attr_desc): Remove static_p field.
13966 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13967 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13968 (attr_string): Do not read the character one past the length of
13970 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13971 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13972 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13973 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13974 (make_automaton_attrs): New.
13975 (main): Do not call into genautomata. Call local gen_bypass
13976 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13977 Remove special case for insn_alts.
13978 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13979 varray.h (leftover from previous change). Prune set of forward
13980 function declarations. Remove state_alts fields from all
13981 structures. Remove state_alts_table from struct automaton.
13982 Make everything except main static. Do not maintain num_dfa_decls.
13983 Do not maintain state_alts fields of various structures.
13984 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13985 (add_arc): Remove state_alts argument. All callers updated.
13986 (output_reserved_units_table): Emit #ifdef here...
13987 (output_tables): ...not here. Don't generate state_alts tables.
13988 (expand_automata): Don't generate attributes.
13989 (write_automata): Don't generate state_alts functions.
13990 (main): New function.
13991 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13992 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13993 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13994 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13995 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13996 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13997 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13998 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14000 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14001 * genattrtab.h: Delete file.
14002 * Makefile.in (OBJS-common): Add insn-automata.o.
14003 (insn-automata.o): New rule.
14004 (simple_generated_c): Add insn-automata.c.
14005 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14006 (genprogmd): Add automata.
14007 (build/genattrtab): Needs no extra objects nor libraries.
14008 (build/genautomata): Needs build/vec.o and -lm.
14010 2006-01-22 Zack Weinberg <zackw@panix.com>
14012 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14013 (output_dfa_max_issue_rate, locked_states_num): Delete.
14014 (struct automaton): Add locked_states field.
14015 (output_dead_lock_vect): Save number of locked states in
14016 automaton->locked_states. If it is zero, don't print anything.
14017 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14018 (output_internal_dead_lock_func): Only test the dead_lock_vect
14019 for automata that have locked states.
14020 (output_statistics): Always print the number of locked states for
14021 each automaton. Calculate total number of locked states here.
14022 (write_automata): Don't call output_dfa_max_issue_rate.
14023 * genattrtab.c: Define length_unit_log as a const variable.
14024 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14025 max_insn_queue_index const.
14026 * final.c (length_unit_log): Declare const.
14027 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14029 2006-01-22 Zack Weinberg <zackw@panix.com>
14031 * genautomata.c: Include vec.h, not varray.h.
14032 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14033 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14034 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14035 VEC_* macros operating on appropriately typed vectors, or to
14036 malloced arrays when the size is known in advance. Const-ify
14037 many char* variables and function arguments. No functional changes.
14038 * Makefile.in (build/varray.o): Delete rule.
14039 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14040 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14042 2006-01-22 Zack Weinberg <zackw@panix.com>
14044 * gensupport.c: Define get_insn_name and record_insn_name here.
14045 (read_md_rtx): Call record_insn_name as appropriate.
14046 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14047 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14048 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14050 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14051 (BUILD_VARRAY): Delete.
14052 (genprognormal): Rename genprogmd. Fold in all programs from
14053 genprognoprint; also attrtab.
14054 (build/genattrtab): Just mention genautomata.o and varray.o.
14055 Reorganize a bit, add comments to make the categories clearer.
14057 2006-01-22 Zack Weinberg <zackw@panix.com>
14059 * genconditions.c (condition_table, add_condition): Delete.
14060 (write_conditions): Don't emit n_insn_conditions nor
14061 insn_elision_unavailable. Issue the gcc version #ifdef here,
14062 inside the table, with no #else clause ...
14063 (write_header): ...not here.
14064 (write_writer): New function.
14065 (main): Don't initialize condition_table. Use add_c_test.
14067 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14068 files on the command line.
14069 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14070 Return -1 if there is no entry in the table, don't abort.
14071 (add_c_test, traverse_c_tests): New functions.
14072 * gensupport.h (insn_elision_unavailable, insn_conditions)
14073 (n_insn_conditions): Delete declarations.
14074 (add_c_test, traverse_c_tests): Declare.
14075 * read-rtl.c: Include gensupport.h.
14076 (read_conditions): New function.
14077 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14078 (read_rtx_1): If we get EOF when we were looking for an initial
14079 open paren, return 0. Call read_conditions when appropriate.
14080 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14081 dummy-conditions.o. Eliminate references to insn-conditions.o,
14082 or change them to build/gencondmd.o, as appropriate. Remove
14083 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14084 from $(simple_generated_c). For all files remaining in those
14085 two lists, add insn-conditions.md to the generator command line.
14086 Give insn-constants.h/s-constants their own rules. Add rules
14087 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14088 (build/read-rtl.o): Depend on gensupport.h.
14089 (genprognormal): Include preds.
14090 (genprogearly): Rename genprognoprint; only difference is now that
14091 they don't link with $(BUILD_PRINT).
14092 * dummy-conditions.c: Delete.
14094 2006-01-22 Zack Weinberg <zackw@panix.com>
14096 * genextract.c: Don't include insn-config.h. Do include vec.h.
14097 Declare vectors of int, char, and locstr.
14098 (locstr): New typedef.
14099 (struct extraction): Make all array fields into bare pointers.
14100 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14101 (insn_code_number): Delete.
14102 (accum_extract): New struct.
14103 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14104 (gen_insn): Take insn_code_number as an argument. Use an
14105 accum_extract structure instead of loading data directly into
14106 a struct extraction, and having to know how big it might get.
14107 (walk_rtx): Operate entirely on an accum_extract structure.
14108 (print_path): Avoid unnecessary use of printf.
14109 (print_header): New function, split out of main. Distinguish
14110 more carefully between an unrecognizable insn and an insn that
14111 has the code number of a define_expand.
14112 (main): Pass insn_code_number to gen_insn. Call print_header
14113 only after parsing. Avoid unnecessary use of printf.
14114 * Makefile.in (build/vec.o): New rule.
14115 (build/genextract): Depend on build/vec.o.
14116 (build/genextract.o): Don't depend on insn-config.h.
14118 2006-01-22 Zack Weinberg <zackw@panix.com>
14120 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14121 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14122 practical. Eliminate per-generator-program link rules.
14124 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14126 PR middle-end/24437
14127 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14128 with a call expr to ...
14129 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14131 2006-01-23 Richard Guenther <rguenther@suse.de>
14133 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14134 before make_edge with conditional EDGE_TRUE_VALUE.
14136 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14137 Jan Hubicka <jh@suse.cz>
14138 Richard Guenther <rguenther@suse.de>
14140 PR rtl-optimization/25654
14141 * cfgexpand.c (aggregate_contains_union_type): New function.
14142 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14143 for structure variables that contain a union type.
14145 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14147 * gengtype.c (new_structure): Return the structure.
14148 (create_option): Add an extra "next" argument.
14149 (create_field): New function.
14150 (adjust_field_rtx_def): Use create_option and create_field.
14151 Remove a now-unnecessary call to find_structure.
14152 (adjust_field_tree_def): Likewise.
14153 (note_yacc_type): Remove an unnecessary call to find_structure.
14154 * gengtype.h (new_structure): Return the structure.
14155 (create_option): Add an extra argument.
14156 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14157 (option): Adjust calls to create_option.
14159 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14161 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14163 2006-01-22 Paul Brook <paul@codesourcery.com>
14164 Peter Barada <peter@the-baradas.com>
14166 * config/m68k/m68k.md: Add Coldfire FPU support.
14167 Define FP mode macro and associated attributes.
14168 Use it for float mode patterns.
14169 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14170 (LIBCALL_VALUE): Use m68k_libcall_value.
14171 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14172 (m68k_function_value): Ditto.
14173 (emit_move_sequence): Ditto.
14174 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14175 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14176 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14177 (MULTILIB_EXCEPTIONS): Ditto.
14178 * config/m68k/m68k.opt: Add mcfv4e.
14179 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14180 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14181 (m68k_output_function_prologue): Save ColdFire FPU registers.
14182 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14183 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14184 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14185 ColdFire FPU registers.
14186 (m68k_libcall_value, m68k_function_value): New functions.
14187 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14188 (LIBCALL_VALUE): Use m68k_libcall_value.
14189 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14190 (MASK_COLDFIRE): Add MASK_CFV4E.
14191 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14192 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14193 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14194 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14195 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14196 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14197 * doc/invoke.tex: Document -mcfv4e on m68k.
14199 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14201 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14204 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14207 * c-opts.c (c_common_handle_option): Don't include
14208 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14209 * doc/invoke.texi (C++ Dialect Options): Document that
14210 -Wnon-virtual-dtor is no longer included in -Wall.
14212 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14214 * gcov.c (print_version), gcov-dump.c (print_version),
14215 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14218 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14220 * df-scan.c (problem_SCAN): Added NULL reset function.
14221 (df_scan_reset_blocks): Added code to call reset block function
14222 (df_bb_refs_delete) Fixed comment.
14223 (df_insn_refs_delete): Made tolerant of deleting non existent info
14224 for dataflow problems that need to be reset.
14225 * df-core.c (df_set_blocks): Ditto.
14226 * df.h (struct df_problem): Added reset_fun.
14227 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14228 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14229 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14230 functions to clear out all references to def-use or use-def chains.
14232 2006-01-21 Ben Elliston <bje@au.ibm.com>
14234 * varasm.c (assemble_real): Initialise data array.
14236 2006-01-20 Paul Brook <paul@codesourcery.com>
14238 Merge from csl-arm-branch.
14239 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14240 * config/arm/arm.md (movdi): Force operands[1] to a register
14241 if we have a non-register source.
14242 (*arm_movdi, *movdf_soft_insn): Require that one of the
14243 operands be a register.
14244 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14245 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14247 2006-01-20 DJ Delorie <dj@redhat.com>
14249 * varasm.c (initializer_constant_valid_p): Allow pointers
14250 initialized from integer constants of lesser precision.
14251 (output_constant): Allow non-int-sized pointer modes to be
14252 initialized from integer constants.
14254 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14257 * cppdefault.h (struct default_include): Add multilib flag.
14258 * cppdefault.c (cpp_include_defaults): Set it.
14259 * c.opt (-imultilib): New option.
14260 * c-opts.c (imultilib): New.
14261 (c_common_handle_option): Handle -imultilib.
14262 (c_common_post_options): Likewise.
14263 * c-incpath.c (add_standard_paths, register_include_chains):
14265 * c-incpath.h (register_include_chains): Add extra parameter.
14266 * gcc.c (do_spec_1): Generate -imultilib option.
14267 (The Specs Language): Update %I description.
14268 (process_command): Update copyright notice.
14269 * doc/cppopts.texi (-imultilib): Document.
14270 * doc/invoke.texi (-imultilib): Include in option summary.
14271 (%I): Update specs documentation.
14273 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14275 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14277 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14279 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14282 2006-01-20 Richard Guenther <rguenther@suse.de>
14283 Steven Bosscher <stevenb.gcc@gmail.com>
14285 PR rtl-optimization/24626
14286 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14287 EDGE_TRUE_VALUE if in RTL mode.
14290 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14291 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14293 2006-01-20 Dirk Mueller <dmueller@suse.com>
14296 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14297 instead of a special NOP marker.
14298 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14299 NOP marker handling.
14300 * c-common.h (empty_body_warning): Add forward declaration.
14301 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14302 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14304 2006-01-20 Paul Brook <paul@codesourcery.com>
14306 * Makefile.in (lang_checks): Keep going if mkdir fails.
14308 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14310 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14311 be able to clean out basic block when not necessary.
14312 (df_scan_free): Fixed to properly delete information if df is
14313 unused before calling df_finish.
14314 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14315 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14317 (df_bb_refs_delete): New function.
14318 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14319 * df-core.c (df_set_blocks): Added code to properly clean out
14320 unused blocks if they are not part of the blocks to consider.
14321 Added additional null check.
14322 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14323 be able to clean out basic block when not necessary
14324 * df.h (df_free_bb_function): Ditto.
14325 (df_bb_refs_delete): New function.
14326 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14327 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14328 basic block parameter to be able to clean out basic block when not
14330 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14331 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14332 Fixed to properly delete information if df is unused before
14335 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14337 PR rtl-optimization/25799
14338 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14339 Corrected confluence operator to remove bits from op2 before oring
14340 with op1 rather than removing bits from op1.
14341 (df_ru_transfer_function): Corrected test on wrong bitmap which
14342 caused infinite loop. Both of these problems were introduced in
14343 the dataflow rewrite.
14345 2006-01-19 DJ Delorie <dj@redhat.com>
14347 * reload1.c (find_reload_regs): Note the details of reload
14348 failures in the dump file.
14349 (spill_failure): Likewise.
14351 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14353 * loop-iv.c: Include df.h and hashtab.h.
14354 (enum iv_grd_result): New enum.
14355 (DF_REF_IV, DF_REF_IV_SET): New macros.
14356 (struct biv_entry): New.
14357 (df, bivs): New global variables.
14358 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14359 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14361 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14362 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14363 analyzed_for_bivness_p, record_biv): New functions.
14364 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14365 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14366 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14368 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14370 (iv_number_of_iterations): Use new interface to iv analysis.
14371 * loop-unroll.c: Do not include varray.h.
14372 (analyze_iv_to_split_insn): Use new interface to iv
14374 * loop-unswitch.c (may_unswitch_on): Ditto.
14375 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14377 (df_bb_modify): Realloc tables to the new index.
14378 (df_find_use): New function.
14379 * df.h (df_find_use): Declare.
14380 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14382 * cfgloop.h (struct rtx_iv): Remove analysed field.
14383 (iv_get_reaching_def): Removed.
14384 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14385 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14386 (loop-iv.o): Add df.h and hashtab.h dependency.
14387 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14389 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14392 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14394 (__floatundisf, __floatundidf): Likewise.
14395 * libgcc2.h (IS_IBM_EXTENDED): Define.
14397 2006-01-19 DJ Delorie <dj@redhat.com>
14399 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14401 2006-01-19 Paul Brook <paul@codesourcery.com>
14403 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14404 as nothrow when unwinding tables are disabled.
14406 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14409 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14410 of bit-field" when in system header.
14412 2006-01-19 DJ Delorie <dj@redhat.com>
14414 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14415 the 16 bit shift limit of the m16c.
14417 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14420 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14421 * config/i386/i386.c (output_set_got): Output the label if we have one
14422 for the TARGET_DEEP_BRANCH_PREDICTION case.
14424 2006-01-19 Jan Hubicka <jh@suse.cz>
14425 H.J. Lu <hongjiu.lu@intel.com>
14426 Evandro Menezes <evandro.menezes@amd.com>
14428 * invoke.texi (generic): Document
14430 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14431 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14432 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14433 (x86_use_incdec, x86_pad_returns): New variables
14434 (TARGET_CPU_DEFAULT_generic): New constant
14435 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14436 (enum processor_type): Add generic32 and generic64.
14437 * i386.md (cpu attribute): Add generic32/generic64
14438 (movhi splitter): Behave sanely when both partial_reg_dependency and
14439 partial_reg_stall are set.
14440 (K8 splitters): Enable for generic as well.
14441 * predicates.md (incdec_operand): Use TARGET_INCDEC
14442 (aligned_operand): Avoid memory mismatch stalls.
14443 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14444 * ppro.md: Enable for generic32
14445 * i386.c (generic64_cost, generic32_cost): New.
14446 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14447 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14448 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14449 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14450 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14451 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14452 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14453 x86_accumulate_outgoing_args, x86_prologue_using_move,
14454 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14455 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14456 Enable for generic.
14457 (x86_use_incdec, x86_pad_returns): New.
14458 (override_options): Add generic32 and generic64, translate "generic"
14459 to generic32/generic64 and "i686" to "generic32", refuse
14460 "generic32"/"generic64" as arch target.
14461 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14462 (ix86_reorg): Honor PAD_RETURNS.
14464 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14466 * tree-pretty-print.c (dump_generic_node): Handle
14467 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14468 * cgraph.c (cgraph_expand_queue): Rename from
14469 cgraph_analyze_queue. Update all users.
14470 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14471 cgraph_expand_queue.
14472 (cgraph_expand_all_functions): Likewise.
14473 (cgraph_finalize_pending_functions): Remove. Update callers.
14475 * tree.h (OMP_DIRECTIVE_P): Define.
14476 (OMP_PARALLEL_FN): Define.
14477 (OMP_PARALLEL_DATA_ARG): Define.
14478 (OMP_SECTIONS_SECTIONS): Define.
14479 * tree-pass.h (pass_expand_omp): Declare.
14480 * omp-low.c (struct omp_region): Declare.
14481 (struct omp_context): Remove fields 'parallel_type',
14482 'parallel_start_ix' and 'parallel_start_additional_args'.
14484 (struct omp_for_data): Rename from struct expand_omp_for_data.
14485 (omp_regions): New static variable.
14486 (root_omp_region): New static variable.
14487 (find_omp_clause): Make static.
14488 (is_in_combined_parallel_ctx): Remove.
14489 (is_combined_parallel): New.
14490 (extract_omp_for_data): Move earlier in the file.
14491 (workshare_safe_to_combine_p): New.
14492 (get_ws_args_for): New.
14493 (determine_parallel_type): Move earlier in the file.
14494 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14496 (omp_copy_decl): Likewise.
14497 (create_omp_child_function): Likewise.
14498 (lookup_omp_region): New.
14499 (dump_omp_region): New.
14500 (debug_omp_region): New.
14501 (debug_all_omp_regions): New.
14502 (new_omp_region): New.
14503 (scan_omp_parallel): If parallel_nesting_level > 1, the
14504 directive is nested within another parallel directive.
14505 Set OMP_PARALLEL_FN.
14506 (scan_omp_for): Do not try to handle combined parallel+for
14508 Remove FIXME comment.
14509 (scan_omp_nested): Remove.
14510 (scan_omp_1): Do not call scan_omp_nested when
14511 parallel_nesting_level is > 1.
14512 Do not change the DECL_CONTEXT of local variables found.
14513 (lookup_decl_in_outer_ctx): New.
14514 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14515 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14516 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14517 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14518 If CTX is nested, lookup VAR in the outer context when
14519 building copy assignment.
14520 (lower_send_clauses): Rename from expand_send_clauses.
14521 If CTX is nested, lookup VAR in the outer context when
14522 building copy assignments.
14523 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14524 If CTX is nested, lookup VAR in the outer context when
14525 building copy assignments.
14526 (expand_parallel_call): Rename from build_parallel_call.
14527 Handle combined parallel+workshare cases.
14528 Re-implement to emit code into the CFG.
14530 (expand_omp_parallel): Re-implement to emit code into the CFG.
14531 Call move_sese_region_to_fn to outline the sub-graph
14532 containing the parallel region.
14533 (expand_omp_for_1): Remove.
14534 (expand_omp_for_generic): Re-implement to emit code into the
14536 (expand_omp_for_static_nochunk): Likewise.
14537 (expand_omp_for_static_chunk): Likewise.
14538 (expand_omp_for): Likewise.
14539 (expand_omp_sections): Likewise.
14540 (remove_exit_barriers): New.
14541 (expand_omp_synch): New.
14543 (build_omp_regions_1): New.
14544 (build_omp_regions): New.
14545 (execute_expand_omp): New.
14546 (gate_expand_omp): New.
14547 (pass_expand_omp): Define.
14548 (lower_omp_sections): Rename from expand_omp_sections.
14549 Set OMP_SECTIONS_SECTIONS.
14550 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14551 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14552 (lower_omp_single): Rename from expand_omp_simple.
14553 (lower_omp_master): Rename from expand_omp_master.
14554 (lower_omp_ordered): Rename from expand_omp_ordered.
14555 (lower_omp_critical): Rename from expand_omp_critical.
14556 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14557 (lower_omp_for): Re-implement.
14558 (lower_omp_parallel): Re-implement.
14559 (lower_regimplify): Rename from expand_regimplify.
14560 (lower_omp_1): Rename from expand_omp_1.
14561 If there are syntax errors in the program, replace every
14562 OpenMP directive with NOP.
14563 Call lower_omp_* instead of expand_omp_*.
14564 (lower_omp): Rename from expand_omp.
14566 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14567 * tree-gimple.h (enum omp_parallel_type): Remove.
14568 (gimple_boolify): Declare extern.
14569 (find_omp_clause, determine_parallel_type): Remove.
14571 * gimple-low.c (lower_omp_directive): New.
14572 (lower_stmt): Call it.
14573 (record_vars_into): Move from ...
14574 (record_vars): ... here.
14575 Call record_vars_into with current_function_decl.
14577 * gimplify.c (struct gimplify_ctx): Remove fields
14578 combined_pre_p and combined_ctxp. Update users.
14579 (get_formal_tmp_var): Add documentation.
14580 (gimple_boolify): Make extern.
14581 (gimplify_expr_in_ctx): Remove. Update callers.
14582 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14583 will always be a BIND_EXPR.
14584 (gimplify_expr): Handle OMP_RETURN_EXPR.
14585 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14586 (OMP_PARALLEL): Add 3 operands.
14587 (OMP_SECTIONS): Add 1 operand.
14588 (OMP_RETURN_EXPR): Define.
14590 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14591 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14592 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14593 creating a circular free list.
14594 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14596 * tree-flow.h (move_sese_region_to_fn): Declare.
14597 (record_vars_into): Declare.
14598 * tree-cfg.c (make_omp_sections_edges): New.
14599 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14600 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14601 OMP_SECTIONS and OMP_SECTION.
14602 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14603 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14604 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14605 (gather_blocks_in_sese_region): New.
14606 (struct move_stmt_d): Declare.
14607 (move_stmt_r): New.
14608 (move_block_to_fn): New.
14609 (move_sese_region_to_fn): New.
14611 * passes.c (init_optimization_passes): Schedule
14612 pass_expand_omp after pass_init_datastructures.
14614 * tree-ssa-operands.c (get_expr_operands): Handle
14615 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14616 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14618 2006-01-19 Jeff Law <law@redhat.com>
14620 * tree-vrp.c (extract_range_from_assert): Refine the result range
14621 if the variable referenced by the ASSERT_EXPR has a range and
14622 either the tentative result range or the previous range is a
14625 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14627 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14629 2006-01-19 Jan Hubicka <jh@suse.cz>
14631 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14633 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14635 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14636 (expand_compound_operation, expand_field_assignment): Fail if the
14637 bit lengths of an extract operation are out of range.
14638 (make_extraction): Compute wanted_inner_mode based on the position
14639 and length of the extraction. Make it extraction_mode for non-constant
14640 positions, and do not modify offset in that case. When generating a
14641 new MEM, use a mode that can hold the extraction while keeping correct
14642 alignment. Remove code that supported MEMs wrapped by USEs.
14643 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14645 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14647 * config/s390/s390.md ("Y", "y"): New mode attribute.
14648 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14649 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14650 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14651 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14652 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14653 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14654 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14655 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14656 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14657 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14658 "addsi3", "subsi3"): Insn patterns removed.
14659 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14660 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14661 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14662 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14663 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14664 "*sub<mode>3_cconly2"): New insn patterns.
14665 ("addsi3", "subsi3"): New expanders.
14667 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14669 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14670 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14671 existing STMT_VINFO_VECTYPE if available.
14672 (vect_mark_relevant): Add special handling for stmts that are
14673 marked as STMT_VINFO_IN_PATTERN_P.
14674 (vect_analyze_loop): Call vect_pattern_recog.
14675 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14676 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14678 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14679 (vect_recog_func_ptr): New function-pointer type.
14680 * tree-vect-patterns.c: New file.
14681 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14682 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14683 (vect_pattern_recog_1): New functions.
14684 (vect_pattern_recog_funcs): New array of function pointers.
14686 * tree-vectorizer.h (ternary_op): New enum value.
14687 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14688 declaration. Revised documentation. Removed redundant dump prints.
14689 Removed redundant argument. Added support for reduction patterns.
14690 (vectorizable_reduction): Added support for reduction patterns.
14691 (vect_transform_stmt): Added support for patterns.
14693 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14694 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14695 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14696 (expand_widen_pattern_expr): New function.
14697 (init_optabs): Initialize new optabs udot_prod_optab,
14699 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14700 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14701 (expand_widen_pattern_expr): New function declaration.
14702 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14704 * tree-inline.c (estimate_num_insns_1): Added cases for new
14705 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14706 * tree-pretty-print.c (dump_generic_node): Likewise.
14707 (op_prio): Likewise.
14708 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14709 * tree-ssa-operands.c (get_expr_operands): Added case for
14711 * tree-vect-patterns.c (widened_name_p): New function.
14712 (vect_recog_dot_prod_pattern): Added function implementation.
14713 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14714 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14715 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14716 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14718 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14719 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14720 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14721 (init_optabs): Initialize new optabs widen_ssum_optab,
14723 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14724 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14725 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14726 use instead of type of def.
14727 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14728 function implementation.
14729 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14730 widen_ssumv8hi): New.
14732 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14735 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14738 * c-decl.c (add_flexible_array_elts_to_size): New function.
14739 (finish_decl): Use it.
14741 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14743 * diagnostic.h: Include options.h.
14744 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14745 dependancies for diagnostic.h.
14746 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14748 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14750 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14751 (ssa_ro_call_cache_valid): Ditto.
14752 * tree-ssa-alias.c (sort_tags_by_id): New function.
14753 (init_transitive_clobber_worklist): Ditto.
14754 (add_to_worklist): Ditto.
14755 (mark_aliases_call_clobbered): Ditto.
14756 (compute_tag_properties): Ditto.
14757 (set_initial_properties): Ditto.
14758 (compute_call_clobbered): Ditto.
14759 (compute_may_aliases): Call compute_call_clobbered and grouping.
14760 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14761 (compute_flow_insensitive_aliasing): Grouping now happens in our
14763 (setup_pointers_and_addressables): Remove clobbering related code.
14764 (add_may_alias): Ditto.
14765 (replace_may_alias): Ditto.
14766 (get_nmt_for): Ditto.
14767 (create_global_var):
14768 (is_escape_site): Return an escape_type enumeration.
14769 * tree-flow-inline.h (is_call_clobbered): Global var does not
14770 imply call clobbered.
14771 (mark_call_clobbered): Take a reason for marking this. Remove
14772 marking of globalness, and cache invalidation.
14773 (clear_call_clobbered): Remove cache invalidation code.
14774 * tree-dfa.c (dump_variable): If details is on, dump the reason
14776 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14778 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14779 (struct var_ann_d): Ditto.
14780 (enum escape_type): New.
14781 (mark_call_clobbered): Adjust prototype.
14782 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14783 are never call clobbered.
14784 Record reasons for escaping.
14785 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14786 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14787 (ssa_ro_call_cache_valid): Ditto.
14788 (clobbered_v_may_defs): Ditto.
14789 (clobbered_vuses): Ditto.
14790 (ro_call_vuses): Ditto.
14791 (clobber_stats): New.
14792 (init_ssa_operands): Zero out clobber stats.
14793 (fini_ssa_operands): Print out clobber stats.
14794 (get_call_expr_operands): Pass callee fndecl to
14795 add_call_read_ops).
14796 (add_call_clobber_ops): Remove use of cache.
14797 Add use of PURE_CONST information.
14798 (add_call_read_ops): Remove use of cache.
14799 Add use of static not_read information.
14801 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14803 Introduce TLS descriptors for i386 and x86_64.
14804 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14805 (TARGET_ANY_GNU_TLS): New macro.
14806 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14807 (struct machine_function): Add tls_descriptor_call_expanded_p.
14808 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14809 (ix86_current_function_calls_tls_descriptor): Likewise.
14810 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14811 (override_options): Introduce gnu2 tls dialect.
14812 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14814 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14816 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14817 (ix86_init_machine_status): Initialize new field.
14818 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14819 (ix86_tls_module_base): New.
14820 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14821 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14822 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14823 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14824 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14825 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14826 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14827 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14828 * config/i386/predicates.md (tls_modbase_operand): New.
14829 (tp_or_register_operand): New.
14831 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14833 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14834 (look_for_address_of): Ditto.
14835 (ipa_init): Walk the function decls.
14836 (static_execute): Don't set readonly on FUNCTION_DECL's.
14838 2006-01-18 Roger Sayle <roger@eyesopen.com>
14840 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14841 for shifts where the source and destination registers are different.
14843 2006-01-18 Paul Brook <paul@codesourcery.com>
14845 Merge from csl-arm-branch.
14846 2005-03-14 Julian Brown <julian@codesourcery.com>
14847 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14848 (aeabi_llsl): Likewise.
14849 (ashrdi3): Likewise.
14850 (aeabi_lasr): Likewise.
14851 (lshrdi3): Likewise.
14852 (aeabi_llsr): Likewise.
14853 2005-03-10 Julian Brown <julian@codesourcery.com>
14854 * config.gcc: Disable shared libgcc for SymbianOS.
14855 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14857 2006-01-18 DJ Delorie <dj@redhat.com>
14859 * c-pragma.c (handle_pragma_diagnostic): New.
14860 (init_pragma): Register it.
14861 * doc/extend.texi: Document it.
14863 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14864 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14865 (diagnostic_context): Add classify_diagnostic[].
14866 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14867 as errors if they're overridden to DK_WARNING.
14868 (diagnostic_initialize): Initialize classify_diagnostic[].
14869 (diagnostic_set_kind_override): New.
14870 (diagnostic_report_diagnostic): Check for kind changes.
14871 * opts.c (common_handle_option): Take lang_mask. Update callers.
14872 Handle OPT_Werror_.
14873 * common.opt (Werror=): New.
14874 * doc/invoke.texi: Document -Werror=*
14876 2006-01-18 Jeff Law <law@redhat.com>
14878 * tree-vrp.c (test_for_singularity): Correct test for new
14879 min limit. Use operand_equal_p rather than pointer equality
14880 for testing if new min/max values are equal.
14882 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14883 using range information until after propagation and folding.
14885 2006-01-18 Richard Henderson <rth@redhat.com>
14886 Aldy Hernandez <aldyh@redhat.com>
14887 Jakub Jelinek <jakub@redhat.com>
14888 Diego Novillo <dnovillo@redhat.com>
14890 * omp-low.c: New file.
14891 * c-omp.c: New file.
14893 2006-01-18 Richard Henderson <rth@redhat.com>
14894 Jakub Jelinek <jakub@redhat.com>
14895 Diego Novillo <dnovillo@redhat.com>
14897 * doc/invoke.texi: Document -fopenmp.
14898 * tree-dump.h (debug_function): Declare.
14899 * hooks.c (hook_bool_tree_bool_false): New function.
14900 (hook_tree_tree_null): Remove.
14901 (hook_tree_tree_tree_null): New.
14902 * hooks.h: Update to match.
14903 * tree-pretty-print.c (debug_tree_chain): New.
14904 (print_generic_expr): Handle TDF_CHAIN.
14905 (dump_generic_node): Handle BLOCK.
14906 Do not abort with incomplete SWITCH_EXPRs.
14907 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14908 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14909 print space after directive name.
14910 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14911 Handle OMP_MASTER and OMP_ORDERED.
14912 Handle printing of OMP_BODY just in one place, goto
14913 dump_omp_body in the rest of OMP_* nodes that have
14915 Don't handle clause nodes here. Update omp statements to
14916 use dump_omp_clauses.
14917 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14918 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14919 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14920 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14921 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14922 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14923 Adjust output for GOMP_PARALLEL.
14924 (dump_omp_clauses): New.
14925 (print_declaration): Dump DECL_VALUE_EXPR.
14926 (op_symbol_1): Split out of op_symbol.
14927 (dumping_stmts): Remove. Update all users.
14928 * cgraph.c (cgraph_analyze_queue): New.
14929 (cgraph_add_new_function): New.
14930 * cgraph.h (cgraph_analyze_queue): Declare.
14931 (cgraph_add_new_function): Declare.
14932 (cgraph_lower_function): Remove.
14933 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14934 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14935 and TYPE_P nodes in its default clause.
14936 (empty_body_p): New.
14937 (tree_range_check_failed): New.
14938 (build5_stat): New.
14939 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14940 OMP_CLAUSE_REDUCTION_MERGE,
14941 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14942 OMP_CLAUSE_PRIVATE_DEBUG,
14943 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14944 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14945 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14946 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14947 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14948 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14949 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14950 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14951 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14952 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14953 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14954 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14955 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14956 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14957 (TREE_RANGE_CHECK): New.
14958 (empty_body_p): Declare.
14959 (enum omp_clause_default_kind): New.
14960 (build_string_literal): Declare.
14961 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14962 (build5_stat, build5): Declare.
14963 * tree-pass.h (TDF_CHAIN): Define.
14964 * tree-pass.h (PROP_gimple_lomp): Define.
14965 (pass_lower_omp): Declare.
14966 * diagnostic.h (debug_tree_chain): Declare.
14967 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14969 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14970 * builtins.c (build_string_literal): Make extern.
14971 * gcc.c (include_spec_function): New.
14972 (static_spec_functions): Add it.
14973 (main): Move load of libgomp.spec ...
14974 (LINK_COMMAND_SPEC): ... here.
14975 (link_gomp_spec): New.
14976 (static_specs): Include it.
14977 (LINK_COMMAND_SPEC): Add link_gomp.
14978 (GOMP_SELF_SPECS): New.
14979 (driver_self_specs): Include it.
14980 (switch_matches): Don't mark inline.
14981 (main): Load libgomp.spec.
14982 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14983 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14984 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14985 * tree-gimple.h (enum omp_parallel): Declare.
14986 (determine_parallel_type): Declare.
14987 (omp_firstprivatize_variable): Declare.
14988 (omp_reduction_init): Declare.
14989 (diagnose_omp_structured_block_errors): Declare.
14990 (struct walk_stmt_info): Add want_return_expr.
14991 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14992 (find_omp_clause): Declare.
14993 (insert_field_into_struct): Declare.
14994 (struct walk_stmt_info): Move from tree-nested.c
14995 (walk_stmts): Declare.
14996 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14998 * cgraphunit.c (cgraph_lower_function): Make static.
14999 (cgraph_finalize_pending_functions): New.
15000 (cgraph_finalize_function): Call it.
15001 (cgraph_finalize_compilation_unit): Likewise.
15002 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15003 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15004 (BT_FN_UINT_UINT): New.
15005 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15006 DEF_FUNCTION_TYPE_VAR_4): Document.
15007 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15008 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15009 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15010 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15011 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15012 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15013 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15014 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15015 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15016 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15017 into separate files.
15018 (DEF_GOMP_BUILTIN): New.
15019 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15020 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15021 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15022 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15023 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15024 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15025 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15026 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15027 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15028 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15029 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15030 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15031 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15032 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15033 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15034 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15035 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15036 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15037 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15038 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15039 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15040 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15041 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15042 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15043 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15044 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15045 * sync-builtins.def: New file, moved from builtins.def.
15046 * omp-builtins.def: New file, moved from builtins.def.
15047 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15048 * gimple-low.c (lower_function_body): Clear data.
15049 (lower_stmt): Do not handle COMPOUND_EXPR.
15050 Remove call to print_node_brief.
15051 * c-tree.h (c_finish_omp_clauses): New prototype.
15052 (C_DECL_THREADPRIVATE_P): Define.
15053 (lookup_name_no_remap, c_omp_remap_private): Remove
15054 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15055 (check_for_loop_decls): Update decl.
15056 (lookup_name_no_remap, c_omp_remap_private): Declare.
15057 (build_indirect_ref, build_modify_expr, pushdecl,
15058 pushdecl_top_level): Move to c-common.h.
15059 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15060 before the switch, but just in the 2 places that need it.
15061 * c-decl.c (diagnose_mismatched_decls): Do not check for
15062 mismatched thread-local attributes when OLDDECL is marked
15063 threadprivate and NEWDECL has no thread-local attributes.
15064 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15065 (c_gimple_diagnostics_recursively): Rename from
15066 c_warn_unused_result_recursively. Invoke
15067 diagnose_omp_structured_block_errors.
15068 (check_for_loop_decls): Return a singular decl found.
15069 * langhooks.c (lhd_omp_predetermined_sharing): Return
15070 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15071 (lhd_omp_firstprivatize_type_sizes): New.
15072 (lhd_omp_assignment): New.
15073 (lhd_omp_predetermined_sharing): New.
15074 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15075 (struct lang_hooks_for_types): Add
15076 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15077 omp_predetermined_sharing, omp_disregard_value_expr,
15078 omp_private_debug_clause, omp_clause_default_ctor,
15079 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15080 (c_finish_omp_clauses): New.
15081 (c_finish_bc_stmt): Diagnose break within omp for.
15082 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15083 (build_unary_op): Return error_mark after reporting
15085 (build_modify_expr): Likewise.
15086 * gimplify.c: Include optabs.h and pointer-set.h.
15087 (enum gimplify_omp_var_data): Declare.
15088 (struct gimplify_omp_ctx): Declare.
15089 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15091 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15092 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15093 (splay_tree_compare_decl_uid): New.
15094 (new_omp_context): New.
15095 (delete_omp_context): New.
15096 (gimple_add_tmp_var): Call omp_add_variable.
15097 (gimplify_bind_expr): Likewise.
15098 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15099 true, disregard DECL_VALUE_EXPR on the decl if any.
15100 (gimplify_expr_in_ctx): New.
15101 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15102 omp_add_variable, omp_notice_variable, omp_is_private
15103 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15104 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15105 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15106 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15107 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15108 gimplify_omp_atomic): New.
15109 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15110 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15111 OMP_CRITICAL and OMP_ATOMIC.
15112 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15113 * c-pragma.h (enum pragma_kind): Add
15114 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15115 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15116 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15117 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15118 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15119 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15120 PRAGMA_OMP_THREADPRIVATE.
15121 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15122 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15123 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15124 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15125 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15126 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15127 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15128 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15129 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15130 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15131 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15132 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15133 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15135 (struct nesting_info): Add field_map,
15136 suppress_expansion, debug_var_chain.
15137 (create_nesting_tree): Initialize them.
15138 (lookup_field_for_decl): Use field_map.
15139 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15140 (convert_local_omp_clauses): New.
15141 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15142 (walk_body): Split out of walk_function.
15143 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15144 (convert_nonlocal_reference): Handle omp statements.
15145 (convert_local_reference): Likewise.
15146 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15147 (unnest_nesting_tree): New.
15148 (lower_nested_functions): Call it.
15149 (insert_field_into_struct): Make extern.
15150 (struct walk_stmt_info): Move to tree-gimple.h.
15151 (walk_stmts): Make extern.
15152 * omp-builtins.def: New file.
15153 * tree-iterator.c (expr_only): Clarify comment.
15154 * c-common.h (pushdecl_top_level, pushdecl,
15155 build_modify_expr, build_indirect_ref,
15156 c_finish_omp_master, c_finish_omp_critical,
15157 c_finish_omp_ordered, c_finish_omp_barrier,
15158 c_finish_omp_atomic, c_finish_omp_flush,
15159 c_finish_omp_for, c_split_parallel_clauses,
15160 omp_clause_default_kind, c_omp_sharing_predetermined,
15161 c_omp_remap_decl): Declare.
15162 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15163 (OBJS-common): Add omp-low.o.
15164 (c-omp.o, omp-low.o): Add.
15165 (gimplify.o): Add dependency on $(OPTABS_H).
15166 (GTFILES): Add omp-low.c.
15167 (gt-stringpool.h): Add.
15168 * tree-cfg.c (set_bb_for_stmt): Do not update the
15169 block-to-labels map if we are currently expanding to RTL.
15170 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15172 Handle IDENTIFIER_NODE.
15173 (tree_verify_flow_info): Do not ICE when emitting error
15174 messages about invalid labels.
15175 (dump_function_to_file): Reset CFUN before emitting the body
15177 (debug_function): New.
15178 * passes.c (init_optimization_passes): Schedule
15180 * langhooks-def.h (lhd_omp_predetermined_sharing,
15181 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15183 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15184 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15185 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15186 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15187 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15188 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15189 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15190 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15191 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15192 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15193 (LANG_HOOK_DECLS): Use them.
15195 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15196 Richard Henderson <rth@redhat.com>
15197 Jakub Jelinek <jakub@redhat.com>
15198 Diego Novillo <dnovillo@redhat.com>
15200 * c-parser.c (pragma_omp_clause): Define.
15201 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15202 (c_parser_compound_statement): Likewise.
15203 (c_parser_statement): Likewise.
15204 (c_parser_pragma): Handle omp pragmas.
15205 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15206 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15207 (c_parser_omp_clause_name, check_no_duplicate_clause,
15208 c_parser_omp_variable_list,
15209 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15210 c_parser_omp_clause_copyprivate,
15211 c_parser_omp_clause_default,
15212 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15213 c_parser_omp_clause_lastprivate,
15214 c_parser_omp_clause_nowait,
15215 c_parser_omp_clause_num_threads,
15216 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15217 c_parser_omp_clause_reduction,
15218 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15219 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15220 c_parser_omp_atomic, c_parser_omp_barrier,
15221 c_parser_omp_critical, c_parser_omp_flush,
15222 c_parser_omp_for_loop, c_parser_omp_for,
15223 c_parser_omp_master, c_parser_omp_ordered,
15224 c_parser_omp_sections_scope, c_parser_omp_sections,
15225 c_parser_omp_parallel, c_parser_omp_single,
15226 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15227 * c-pragma.c (init_pragma): Do omp pragma registration here.
15228 * c.opt (fopenmp): New flag.
15230 2006-01-18 Eric Christopher <echristo@apple.com>
15232 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15233 * config/darwin.h (GOMP_SELF_SPECS): Define.
15235 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15237 * rtl.h: Remove the prototype for reg_alloc.
15239 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15242 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15243 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15244 sjlj and dwarf2 exception handling.
15245 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15246 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15247 * pa/pa.c (function_value): Treat complex and vector types as
15249 (function_arg): Likewise. Only pass scalar floats in the floating
15250 point argument registers.
15251 * pa/t-slibgcc-dwarf-ver: New file.
15252 * pa/t-slibgcc-sjlj-ver: New file.
15253 * pa/t-slibgcc-elf-ver: Delete file.
15255 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15257 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15258 unlikely_test_section_p test.
15260 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15262 * mode-switching.c (optimize_mode_switching): Make it static.
15263 * basic-block.h: Remove the prototype for
15264 optimize_mode_switching.
15266 * modulo-sched.c (sms_schedule): Make it static.
15267 * rtl.h: Remove the prototype for sms_schedule.
15269 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15270 * rtl.h: Remove the prototype for gcse_after_reload_main.
15272 * reg-stack.c (reg_to_stack): Make it static.
15273 * rtl.h: Remove the prototype for reg_to_stack.
15275 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15277 * rtl.h: Remove the prototypes for regrename_optimize and
15278 copyprop_hardreg_forward.
15280 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15282 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15283 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15284 Test against the appropriate null constant for the mode.
15285 If 'fixup_overlap' is true, swap the operands if they overlap.
15286 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15287 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15288 alpha_split_tmode_pair and adjust for above change.
15289 * config/alpha/alpha.md (movtf_internal): Adjust call to
15290 alpha_split_tfmode_pair and rely on it to swap the operands.
15291 (movti_internal): New insn and post-reload splitter.
15292 (movti): New expander.
15294 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15296 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15299 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15301 * rtlanal.c (global_reg_mentioned_p_1,
15302 global_reg_mentioned_p): Remove.
15303 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15305 * flow.c (initialize_uninitialized_subregs): Make it static.
15306 * rtl.h: Remove the prototype for
15307 initialize_uninitialized_subregs.
15309 * function.c (instantiate_virtual_regs): Make it static.
15310 * function.h: Remove the prototype for
15311 instantiate_virtual_regs.
15313 * regmove.c (regmove_optimize, combine_stack_adjustments):
15315 * rtl.h: Remove the prototypes for regmove_optimize and
15316 combine_stack_adjustments.
15318 2006-01-17 Roger Sayle <roger@eyesopen.com>
15320 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15321 (size_cost): Encode costs in bytes so that a reg-reg addition is
15322 equivalent to COSTS_N_INSNS(1).
15323 (override_options): Use the size_cost.branch_cost as the default
15324 ix86_branch_cost when optimizing for size.
15326 2006-01-18 Ben Elliston <bje@au.ibm.com>
15328 * Makefile.in (D32PBIT_FUNCS): New.
15329 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15330 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15331 D64PBIT_FUNCS and D128PBIT_FUNCS.
15332 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15333 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15335 (decnumber_dep): Define.
15336 * doc/libgcc.texi (Decimal float library routines): New node.
15337 * config/dfp-bit.h, config/dfp-bit.c: New files.
15339 2006-01-18 Ben Elliston <bje@au.ibm.com>
15341 * expr.c (emit_move_change_mode): Always adjust addresses, not
15342 just during reload. Copy replacements only during reload.
15343 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15344 emit_move_via_integer.
15346 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15348 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15349 instead of $(srcdir) and ${srcdir}.
15351 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15354 PR middle-end/11135
15355 * arm.h (struct machine_function): Add pic_reg.
15356 * arm.c (arm_pic_register): Make unsigned.
15357 (arm_override_options): Only set arm_pic_register if
15358 TARGET_SINGLE_PIC_BASE.
15359 (use_return_insn): Only test for a pic register if it is fixed.
15360 (arm_compute_save_reg0_reg12_mask): Likewise.
15361 (thumb_compute_save_reg_mask): Likewise.
15362 (legitimate_pic_operand): Factor out some known invariants.
15363 (legitimize_pic_address): If we don't have a fixed pic register,
15364 then set up a pseudo in the function entry sequence. Handle the
15365 pic base being in a pseudo.
15366 (arm_load_pic_register): Handle the pic register being in a pseudo.
15367 (arm_expand_prologue): Only set up the pic register if it is fixed.
15368 (thumb_expand_prologue): Likewise.
15369 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15370 (pic_load_addr_based_insn): Likewise.
15371 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15374 2006-01-18 Ben Elliston <bje@au.ibm.com>
15376 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15377 decimal float modes for all floating point registers.
15379 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15380 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15382 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15385 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15386 even when the pointer is not NULL.
15388 2006-01-16 Ian Lance Taylor <ian@airs.com>
15390 * common.opt (ftoplevel-reorder): New option.
15391 * cgraph.c (cgraph_asm_nodes): New global variable.
15392 (cgraph_asm_last_node): New static variable.
15393 (cgraph_order): New global variable.
15394 (cgraph_create_node): Set new order field.
15395 (cgraph_varpool_node): Likewise.
15396 (decide_is_variable_needed): Return true if not
15397 flag_toplevel_reorder.
15398 (cgraph_add_asm_node): New function.
15399 * cgraph.h (struct cgraph_node): Add order field.
15400 (struct cgraph_varpool_node): Add order field.
15401 (struct cgraph_asm_node): Define.
15402 (cgraph_asm_nodes, cgraph_order): Declare.
15403 (cgraph_add_asm_node): Declare.
15404 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15406 (cgraph_varpool_assemble_pending_decls): Call it.
15407 (cgraph_output_pending_asms): New static function.
15408 (cgraph_finalize_compilation_unit): Call it.
15409 (struct cgraph_order_sort): Define.
15410 (cgraph_output_in_order): New static function.
15411 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15412 !flag_toplevel_reorder case.
15413 * c-parser.c: Include "cgraph.h".
15414 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15416 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15417 than -fno-unit-at-a-time.
15418 * doc/invoke.texi (Option Summary): Mention
15419 -fno-toplevel-reorder.
15420 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15421 -funit-at-a-time documentation.
15423 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15424 Kazu Hirata <kazu@codesourcery.com>
15426 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15428 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15430 * Makefile.in (FUNCTION_H): New. Use it instead of
15431 function.h throughout the file.
15432 * function.h: Include tree.h.
15434 2006-01-17 Ben Elliston <bje@au.ibm.com>
15436 * recog.c: Separate some functions with whitespace.
15438 2006-01-16 Richard Henderson <rth@redhat.com>
15440 Merge from gomp branch:
15441 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15442 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15443 and rename from struct inline_data. Rename callee* to dst*;
15444 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15445 transform_new_cfg, transform_return_to_modify, and
15446 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15448 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15449 (copy_decl_for_dup): Remove.
15450 * tree-inline.c (struct inline_data): Move to header.
15451 (insert_decl_map): Export.
15452 (remap_decl): Update for member name changes. Use copy_decl hook.
15453 Allow for replacement to be a non-decl. Remove dead code.
15454 (remap_type_1): Check for existing mapping.
15455 (remap_type): Export.
15456 (remap_decls): Update for member name changes.
15457 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15458 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15459 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15460 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15461 (tree_function_versioning, build_duplicate_type): Likewise.
15462 (copy_body_r): Likewise. Export.
15463 (copy_decl_for_dup): Split into ...
15464 (copy_decl_for_dup_finish, copy_decl_to_var,
15465 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15466 (replace_ref_tree, inlining_p): Remove.
15468 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15470 * ifcvt.c (if_convert): Make it static.
15471 * rtl.h: Remove the prototype for if_convert.
15473 * local-alloc.c (local_alloc): Make it static.
15474 * rtl.h: Remove the prototype for local_alloc.
15476 * loop.c (loop_optimize): Make it static.
15477 * cfgloop.h: Remove the prototype for loop_optimize.
15480 2006-01-16 DJ Delorie <dj@redhat.com>
15482 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15485 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15487 * pa.md: Disparage copies between general and floating-point registers
15488 in 32-bit move patterns.
15490 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15493 * Makefile.in (check-%): Depend on site.exp instead of
15494 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15497 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15499 * global.c (global_alloc): Make it static.
15500 * rtl.h: Remove the prototype for global_alloc.
15502 2006-01-16 Richard Guenther <rguenther@suse.de>
15504 * tree-ssa-alias.c (struct used_part): Add write_only field.
15505 (get_or_create_used_part_for): Initialize it to true.
15506 (create_overlap_variables_for): Don't create structure variables
15507 for structures that only are written to.
15508 (find_used_portions): Handle MODIFY_EXPR to track whether a
15509 structure is only written to.
15511 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15513 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15515 * basic-block.h: Remove the prototype for
15516 partition_hot_cold_basic_blocks.
15518 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15520 * cppspec.c (lang_specific_spec_functions): Remove.
15521 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15522 * gcc.h (lang_specific_spec_functions): Remove.
15523 * gccspec.c (lang_specific_spec_functions): Remove.
15525 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15527 * combine.c (record_value_for_reg): Invalidate registers
15529 (record_dead_and_set_regs_1): Likewise, by passing them to
15530 record_value_for_reg.
15531 (record_dead_and_set_regs): Invalidate stores made by a
15532 call. We do not combine across a call, but we still
15533 relied on equivalences.
15535 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15537 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15538 vrp_int_const_binop returning non-constant nodes.
15540 2006-01-16 Paul Brook <paul@codesourcery.com>
15542 * config/m68k/m68k.c (output_move_const_into_data_reg):
15543 Output correct mnemonic for mvz and mvs.
15545 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15547 * rtl-factoring.c: Add sequence abstraction algorithm.
15548 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15549 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15551 (block_has_preserve_label): New function.
15552 * common.opt: Register new pass.
15553 * Makefile.in: Ditto.
15555 * timevar.def: Ditto.
15556 * tree-pass.h: Ditto.
15557 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15558 * rtl.h (make_jump_insn_raw): Add forward decl.
15559 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15561 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15562 Roger Sayle <roger@eyesopen.com>
15564 * fold-const.c (fold_minmax): New static function.
15565 (fold_binary) <MIN_EXPR>: Call it.
15566 <MAX_EXPR>: Likewise.
15567 * stor-layout.c (place_field): Use DECL_SIZE consistently
15568 in the computation of the new record size.
15570 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15572 * cse.c (cse_condition_code_reg): Make it static.
15573 * rtl.h: Remove the prototype for cse_condition_code_reg.
15575 * combine.c (combine_instructions): Make it static.
15576 * rtl.h: Remove the prototype for combine_instructions.
15578 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15581 * tree.c (get_file_function_name_long): Concatenate the first global
15582 object name with a string derived from the input filename of the object
15585 2006-01-16 Ben Elliston <bje@au.ibm.com>
15587 * config/i386/winnt-stubs.c: Update FSF address.
15588 * config/xtensa/ieee754-df.S: Ditto.
15589 * config/xtensa/ieee754-sf.S: Ditto.
15591 2006-01-14 Ian Lance Taylor <ian@airs.com>
15593 * ifcvt.c (noce_init_if_info): New static function, broken out of
15594 noce_process_if_block.
15595 (noce_process_if_block): Call noce_init_if_info.
15596 (check_cond_move_block): New static function.
15597 (cond_move_process_if_block): New static function.
15598 (process_if_block): Call cond_move_process_if_block.
15600 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15602 * cselib.c (hash_table): Rename to cselib_hash_table.
15603 (cselib_clear_table, discard_useless_values,
15604 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15605 cselib_init, cselib_finish): Adjust uses of hash_table.
15607 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15609 PR tree-optimization/25485
15610 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15611 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15612 is known to be false and true, respectively.
15614 2006-01-14 Richard Guenther <rguenther@suse.de>
15616 PR tree-optimization/22548
15617 PR tree-optimization/22555
15618 PR tree-optimization/22501
15619 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15620 * params.def (salias-max-array-elements): New parameter.
15621 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15622 * doc/invoke.texi (salias-max-array-elements): Document.
15623 * tree-flow-inline.h (var_can_have_subvars): We also handle
15625 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15627 * tree-ssa-structalias.c (params.h): Include.
15628 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15629 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15630 (get_constraint_for): For ADDR_EXPR operating on something
15631 containing an ARRAY_REF, add all subvars to the solution.
15632 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15633 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15634 for creating MUST_DEFs.
15635 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15637 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15639 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15641 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15642 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15643 number_of_iterations_le): New functions.
15644 (number_of_iterations_special): Removed.
15645 (number_of_iterations_exit): Do not use number_of_iterations_special.
15646 * tree.c (unsigned_type_for): Always return integer type.
15648 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15649 Richard Guenther <rguenther@suse.de>
15651 PR rtl-optimization/24257
15652 * gcse.c (find_moveable_store): Only consider a store movable
15653 when the SET_SRC of the insn can be assigned to a register.
15655 2006-01-14 Ian Lance Taylor <ian@airs.com>
15657 * tree.c (tree_not_class_check_failed): New function.
15658 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15659 (tree_not_class_check_failed): Declare.
15661 2006-01-13 Ian Lance Taylor <ian@airs.com>
15663 * reload1.c (do_output_reload): Add assertion rejecting a
15666 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15668 * combine.c (struct reg_stat): Add new fields truncation_label and
15670 (record_value_for_reg): Reset truncated_to_mode.
15671 (record_truncated_value): New function.
15672 (check_promoted_subreg): Call it. Rename to check_conversions.
15673 (combine_instructions): Rename check_promoted_subreg to
15675 (reg_truncated_to_mode): New function.
15676 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15677 (gen_lowpart_or_truncate): New function.
15678 (force_to_mode): Use it instead of gen_lowpart.
15680 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15682 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15683 VAR is a tag, not its type tag.
15685 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15687 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15688 alternatives to match style of other entries.
15689 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15691 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15693 PR tree-optimization/25771
15694 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15697 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15700 * tree-inline.c (declare_return_variable): If the return variable
15701 was marked as a non gimple complex, set the return slot variable
15702 to be a non gimple comple variable.
15704 2006-01-13 Richard Guenther <rguenther@suse.de>
15706 * builtins.c (expand_builtin_sincos): New function.
15707 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15709 (expand_builtin): Expand sincos using expand_builtin_sincos.
15711 2006-01-12 DJ Delorie <dj@redhat.com>
15713 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15714 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15715 so that constant shifts can be split.
15716 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15717 (m32c_valid_pointer_mode): Make static.
15718 (shift_gen_func_for): New.
15719 (m32c_prepare_shift): Use it. Split large const shifts into
15721 * config/m32c/predicates.md (shiftcount_operand): Allow more
15723 (longshiftcount_operand): New.
15724 * doc/md.texi (Machine Constraints): Document In6.
15726 2006-01-13 Ben Elliston <bje@au.ibm.com>
15728 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15729 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15732 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15734 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15735 to try to avoid clobbering pieces of structures when we know
15736 something about the whole structure.
15737 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15739 2006-01-13 Ben Elliston <bje@au.ibm.com>
15741 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15742 return in memory, as this is no limitation is no longer present.
15744 2006-01-12 DJ Delorie <dj@redhat.com>
15746 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15747 mova with fb, and for fb+0 -> An.
15749 * config/m32c/mov.md (peephole2): Fix enabling logic.
15751 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15752 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15753 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15754 FINI_ARRAY_SECTION_ASM_OP): Define.
15756 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15758 (m32c_legitimize_reload_address): New logic to reload FB to An.
15759 (m32c_output_reg_push): Add newline.
15760 (m32c_output_reg_pop): Likewise.
15762 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15764 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15766 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15768 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15770 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15772 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15775 2006-01-11 Ben Elliston <bje@au.ibm.com>
15777 * rtlanal.c (find_reg_note): Assert insn is not null.
15779 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15781 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15784 2006-01-11 Jeff Law <law@redhat.com>
15786 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15788 (mark_threaded_blocks, register_jump_thread): New functions.
15789 (thread_through_all_blocks): Remove unwanted argument. No
15790 longer rely on e->aux to communicate thread target info.
15791 Call mark_threaded_blocks. Release the threaded_blocks
15792 bitmap and threaded_edges vector when complete.
15793 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15794 (threaded_blocks): Remove.
15795 (tree_ssa_dominator_optimize): Remove initialization and
15796 finalization of threaded_blocks. Simplify call to
15797 thread_through_all_blocks.
15798 (thread_across_edge): Call register_jump_thread rather than
15799 storing thread information into e->aux.
15800 (free_all_edge_infos): Simplify now that e->aux is no longer
15801 used to communicate with thread_through_all_blocks.
15802 * tree-flow.h (thread_through_all_blocks): Update prototype.
15803 (register_jump_thread): Prototype.
15805 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15807 * df-core.c (df_compact_blocks, df_bb_replace): Use
15808 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15810 2006-01-11 Richard Guenther <rguenther@suse.de>
15812 PR tree-optimization/25734
15813 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15814 stop propagation after successful propagation to the LHS.
15816 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15818 * basic-block.h (control_flow_graph): Change the type of
15819 x_basic_block_info to VEC(basic_block,gc) *.
15820 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15822 (SET_BASIC_BLOCK): New.
15823 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15824 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15825 * cfgbuild.c (find_basic_blocks): Likewise.
15826 * cfglayout.c (fixup_reorder_chain): Likewise.
15827 * cfgrtl.c (create_basic_block_structure,
15828 rtl_create_basic_block): Likewise.
15829 * ifcvt.c (find_if_case_1): Likewise.
15830 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15833 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15835 * Makefile.in: Removed rotted odf.c entry.
15837 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15840 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15841 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15842 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15843 output pattern modifier, not %e.
15844 * config/cris/cris.c (cris_op_str): Update comment about pattern
15846 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15847 before falling through into...
15848 <case 'E'>: Redefined from old 'e' case.
15850 2006-01-11 Jan Hubicka <jh@suse.cz>
15853 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15855 2006-01-11 Jan Hubicka <jh@suse.cz>
15857 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15858 * i386.c (x86_decompose_lea): Kill.
15859 (ix86_rtx_costs): Kill.
15861 2006-01-11 Jan Hubicka <jh@suse.cz>
15863 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15864 * cgraph.h (cgraph_node): Add inline_decl.
15865 (cgraph_insert_node_to_hashtable): Declare.
15866 (save_inline_function_body): Declare.
15867 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15869 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15870 (cgraph_function_versioning): Update call of tree_function_versioning.
15871 (save_inline_function_body): New function.
15872 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15873 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15874 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15875 (cgraph_default_inline_p): Likewise.
15876 (cgraph_decide_inlining_incrementally): Likewise.
15877 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15878 (copy_bb): Kill saving; do updating of clones.
15879 (copy_cfg_body): Kill saving.
15880 (initialize_inlined-parameters): Likewise.
15881 (expand_call_inline): Likewise.
15883 (tree_function_versioning): New parameter "update_clones".
15884 (inlining_p): Kill saving.
15885 * tree-inline.h (tree_function_versioning): Update prototype.
15886 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15889 2006-01-11 Ian Lance Taylor <ian@airs.com>
15891 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15892 Allow undoing set of machine mode.
15893 (do_SUBST): Use enums instead of is_int.
15894 (do_SUBST_MODE): New function.
15895 (SUBST_MODE): New macro.
15896 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15897 reg and trying to replace reg_regno_rtx with a new register.
15898 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15899 (simplify_set): Use SUBST_MODE.
15900 (distribute_notes): Remove code that tried to update reg notes
15901 for regno_reg_rtx changes.
15903 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15905 PR tree-optimization/23109
15906 PR tree-optimization/23948
15907 PR tree-optimization/24123
15909 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15910 * tree-cfg.c (single_noncomplex_succ): New.
15911 * tree-flow.h (single_noncomplex_succ): Declare it.
15912 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15913 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15914 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15915 insert_bb, register_division_in, insert_reciprocals,
15916 replace_reciprocal, free_bb): New.
15917 (execute_cse_reciprocals_1): Rewritten.
15918 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15919 Do not commit any edge insertion. Always compute dominators and
15920 create the allocation pool.
15921 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15922 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15923 * targhooks.c (default_min_divistions_for_recip_mul): New.
15924 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15925 * passes.c (init_optimization_passes): Run recip after tree loop
15927 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15929 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15930 Kenneth Zadeck <zadeck@naturalbridge.com>
15932 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15933 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15934 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15935 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15936 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15937 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15938 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15939 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15940 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15941 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15942 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15943 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15944 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15945 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15946 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15947 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15948 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15949 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15950 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15951 DF_SCAN_POST_ALLOC): New macros.
15952 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15953 df_free_bb_function, df_local_compute_function, df_init_function,
15954 df_dataflow_function, df_confluence_function_0,
15955 df_confluence_function_n, df_transfer_function,
15956 df_finalizer_function, df_free_function, df_dump_problem_function,
15957 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15958 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15959 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15960 df_urec_bb_info, ) New types.
15961 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15963 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15964 df_analyze_simple_change_some_blocks,
15965 df_analyze_simple_change_one_block, df_compact_blocks,
15966 df_bb_replace, df_bb_regno_last_use_find,
15967 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15968 df_insn_regno_def_p, df_find_def, df_find_use,
15969 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15970 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15971 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15972 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15973 debug_df_chain, df_get_dependent_problem, df_chain_create,
15974 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15975 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15976 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15977 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15978 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15979 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15980 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15981 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15982 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15983 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15984 df_reorganize_refs, df_set_state, df_hard_reg_init,
15985 df_read_modify_subreg_p) New public functions.
15986 * df-core.c: The core dataflow solver and glue routines for rtl
15988 (df_init, df_add_problem, df_set_blocks, df_finish,
15989 df_hybrid_search_forward, df_hybrid_search_backward,
15990 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15991 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15992 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15993 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15994 df_reg_defined, df_find_use, df_reg_used, df_dump,
15995 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15996 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15997 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15998 debug_df_useno, reset_df_after_reload): New functions.
15999 * df-scan.c: The scanning fuctions, once in df.c, completely
16000 rewritten so that they now fully model the functionality of
16001 register usage at the backend.
16002 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16003 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16004 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16005 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16006 df_get_artificial_defs, df_get_artificial_uses,
16007 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16008 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16009 df_refs_delete, df_reorganize_refs, df_set_state,
16010 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16011 df_def_record_1, df_defs_record, df_uses_record,
16012 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16013 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16014 df_record_exit_block_uses, df_hard_reg_init): New functions.
16016 * df-problems.c: Seven concrete dataflow problems that use the
16017 scanning in df-scan.c and are solved by the engine in df-core.c.
16018 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16019 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16020 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16021 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16022 df_ru_free_bb_info, df_ru_alloc,
16023 df_ru_bb_local_compute_process_def,
16024 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16025 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16026 df_ru_transfer_function, df_ru_free, df_ru_dump,
16027 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16028 df_rd_free_bb_info, df_rd_alloc,
16029 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16030 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16031 df_rd_transfer_function, df_rd_free, df_rd_dump,
16032 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16033 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16034 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16035 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16036 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16037 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16038 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16039 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16040 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16041 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16042 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16043 df_urec_mark_reg_use_for_earlyclobber,
16044 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16045 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16046 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16047 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16048 df_chain_create_bb_process_use, df_chain_create_bb,
16049 df_chain_finalize, df_chain_free, df_chains_dump,
16050 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16051 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16052 df_reg_lifetime): New functions.
16053 * df.c: Deleted file.
16054 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16055 consistent with new df api.
16056 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16057 rest_of_handle_sms): Ditto.
16058 * web.c (unionfind_union, union_defs, entry_register, web_main):
16060 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16061 invariant_expr_equal_p, find_defs, check_dependencies,
16062 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16063 free_inv_motion_data, move_loop_invariants): Ditto.
16064 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16065 Update dependencies.
16066 (odf.c): Added defective entry that was deleted later in day.
16067 * sched-deps.c (sched_analyze_1): Ditto.
16069 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16071 * tree-ssa-operands.c (get_expr_operands): Record addressable
16072 variables directly. Do not call add_stmt_operands for CONST_DECLs
16074 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16075 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16077 2006-01-11 Ben Elliston <bje@au.ibm.com>
16079 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16080 function returns true in the positive case.
16082 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16085 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16086 for SI, DI, SF and DF modes. Add alternatives to copy between
16087 general and floating point registers to the 32-bit patterns.
16088 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16089 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16090 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16091 generating 64-bit code.
16092 * config/pa/pa.c (output_move_double): Handle copies between general
16093 and floating registers.
16095 2006-01-10 Stuart Hastings <stuart@apple.com>
16097 * config/i386/i386.md (set_got): Update.
16098 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16099 (builtin_setjmp_receiver): Mach-O support.
16100 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16101 (GOT_SYMBOL_NAME): Define.
16102 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16103 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16104 * config/i386/i386.c (override_options): Revise for Darwin.
16105 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16106 support. (darwin_x86_file_end): New. (output_set_got): Add label
16107 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16108 * config/i386/i386-protos.h (output_set_got): Likewise.
16109 * config/darwin.c (machopic_legitimize_pic_address): Update
16112 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16114 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16115 when MODE isn't BLKmode.
16117 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16119 PR rtl-optimization/25367
16120 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16122 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16125 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16126 for a negative bound.
16128 2006-01-10 Richard Guenther <rguenther@suse.de>
16130 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16131 Never override with anything constraint.
16133 2006-01-10 Jan Beulich <jbeulich@novell.com>
16135 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16136 256 bits when optimize_size.
16138 2006-01-10 Jan Beulich <jbeulich@novell.com>
16140 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16142 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16143 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16146 2006-01-10 Ben Elliston <bje@au.ibm.com>
16148 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16150 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16151 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16152 (USE_FP_FOR_ARG): Reject decimal float modes.
16153 (function_arg_advance): Likewise.
16154 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16155 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16156 point types in AltiVec vectors.
16157 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16158 (rs6000_libcall_value): Likewise.
16160 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16162 * config/xtensa/ieee754-df.S: New file.
16163 * config/xtensa/ieee754-sf.S: New file.
16164 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16165 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16166 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16168 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16170 * config/sh/predicates.md (binary_float_operator,
16171 binary_logical_operator, commutative_float_operator,
16172 equality_comparison_operator, greater_comparison_operator,
16173 less_comparison_operator, logical_operator,
16174 noncommutative_float_operator, shift_operator,
16175 symbol_ref_operand, unary_float_operator): Remove redundant
16178 2006-01-09 Jeff Law <law@redhat.com>
16180 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16181 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16182 now unused arguments. Callers updated.
16183 (eliminate_redundant_computations): Remove now unused arguments,
16185 (local_fold): Remove, no longer used.
16186 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16188 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16189 (simplify_cond): New function.
16190 (forward_propagate_into_cond): Call simplify_cond.
16192 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16194 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16195 (*vec_extractv2di_1_sse): New.
16197 2006-01-09 Ben Elliston <bje@au.ibm.com>
16199 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16201 2006-01-08 Richard Guenther <rguenther@suse.de>
16203 * tree-ssa-structalias.c (get_constraint_for): Remove
16204 anyoffset argument.
16205 (get_constraint_for_component_ref): Likewise.
16206 (do_deref): Likewise.
16207 (get_constraint_for): Likewise.
16208 (do_structure_copy): Likewise.
16209 (handle_ptr_arith): Likewise.
16210 (find_func_aliases): Likewise. Remove unused need_anyoffset
16213 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16214 Kaz Kojima <kkojima@gcc.gnu.org>
16216 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16217 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16218 (EXTRA_CONSTRAINT_C16): Remove.
16219 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16220 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16221 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16222 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16223 constants of SHmedia. Handle nested constant expressions of
16225 (andcosts): Fix the costs for SHmedia constants.
16226 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16227 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16228 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16229 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16230 (movv4hi_i, movv2si_i): Likewise.
16231 (movsi_const): Adjust the second operand of ior so to match with
16232 the Csu constraint.
16233 (movdi_const, movdi_const_32bit): Likewise.
16234 (movdi_const_16bit+1): Don't sign-extend LOW.
16235 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16237 (*double_shori): Fix the split condition. Use GEN_INT instead
16238 of get_int_mode calls. Mask lower 16-bit of the argument of
16240 (sym2GOTPLT): Remove.
16241 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16243 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16244 instead of EXTRA_CONSTRAINT_C16.
16246 2006-01-07 Ian Lance Taylor <ian@airs.com>
16247 David Edelsohn <edelsohn@gnu.org>
16249 PR rtl-optimization/25662
16250 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16251 for constant operands instead of simplify_gen_binary.
16252 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16253 after trying simplify_binary_operation
16255 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16257 * tree.c (iterative_hash_expr): Hash decls based on UID.
16259 2006-01-06 Eric Christopher <echristo@apple.com>
16261 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16262 (TARGET_UNWIND_EMIT): Fix spelling.
16263 * target.h (gcc_target): Add except_table_label.
16264 * except.c (output_function_exception_table): Use.
16265 * varasm.c (default_emit_except_table_label): New.
16266 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16268 (asm_out): Add here.
16269 * output.h (default_emit_except_table_label): Prototype.
16270 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16271 * config/darwin.c (darwin_emit_except_table_label): Define.
16272 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16274 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16276 PR tree-optimization/18527
16277 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16278 number_of_iterations_special, number_of_iterations_exit):
16279 Move base and step of an iv to a single structure. Add
16280 no_overflow flag, and use it in # of iterations analysis.
16281 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16282 folded_casts argument.
16283 (simple_iv): Pass base and step in a structure. Set no_overflow
16285 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16286 Evaluate expensiveness of computing # of iterations instead of
16287 the final expression.
16288 * tree-scalar-evolution.h (affine_iv): New structure.
16289 (simple_iv): Declaration changed.
16290 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16291 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16292 find_givs_in_stmt): Changed due to simple_iv change.
16294 2006-01-06 Jeff Law <law@redhat.com>
16297 * tree-cfg.c (bsi_replace): Rename final argument from
16298 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16299 change (stmt -> orig_stmt).
16300 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16301 (bsi_remove): Add new argument. Remove EH information
16303 (verify_eh_throw_table_statements): New function.
16304 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16306 * tree-optimize.c (execute_free_cfg_annotations): Verify
16307 the EH throw statement table after removing annotations.
16308 * except.h (verify_eh_throw_table_statements): Prototype.
16309 * tree-flow.h (bsi_remove): Update prototype.
16310 * tree-vrp.c (remove_range_assertions): Add new argument to
16312 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16313 * tree-complex.c (expand_complex_div_wide): Likewise.
16314 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16315 * tree-tailcall.c (eliminate_tailcall): Likewise.
16316 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16317 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16318 * tree-nrv.c (tree_nrv): Likewise.
16319 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16320 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16321 (combine_blocks): Likewise.
16322 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16323 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16324 (cleanup_control_flow): Likewise.
16325 (remove_forwarder_block): Likewise.
16326 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16327 * tree-sra.c (sra_replace): Likewise.
16328 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16329 (forward_propagate_single_use_vars): Likewise.
16330 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16331 * tree-inline.c (expand_call_inline): Likewise.
16332 * tree-vect-transform.c (vect_transform_loop): Likewise.
16333 * tree-outof-ssa.c (rewrite_trees): Likewise.
16334 * tree-cfg.c (make_goto_expr_edges): Likewise.
16335 (cleanup_dead_labels): Likewise.
16336 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16337 (bsi_move_before, bsi_move_after): Likewise.
16338 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16339 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16341 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16344 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16346 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16347 on non gimple variables. Also add checks at the top for decls and
16349 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16351 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16352 and IMAGPART_EXPR for creating MUST_DEFs.
16353 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16354 and NAME_MEMORY_TAG separately from the DECLs.
16356 2006-01-06 Richard Guenther <rguenther@suse.de>
16358 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16359 annotation, if necessary.
16360 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16361 redundant calls to update_stmt.
16362 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16365 2006-01-05 Richard Henderson <rth@redhat.com>
16367 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16369 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16371 * c-typeck.c: Update copyright date.
16373 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16375 * c-typeck.c (build_c_cast): Always warn when casting
16376 from a pointer to an integer of different size, even if
16377 the node was constant.
16379 2006-01-05 Richard Guenther <rguenther@suse.de>
16381 PR tree-optimization/22555
16382 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16383 if one structure field is an array.
16384 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16385 operands even if we found a subvar, but ignore VOPs in this
16387 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16389 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16391 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16393 PR middle-end/24998
16394 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16396 2006-01-05 Richard Guenther <rguenther@suse.de>
16397 Diego Novillo <dnovillo@redhat.com>
16399 * tree-pass.h (TODO_remove_unused_locals): Define.
16400 * gimple-low.c (expand_var_p, remove_useless_vars,
16401 pass_remove_useless_vars): Remove. Update all users.
16402 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16403 (remove_unused_locals): New function.
16404 * tree-flow.h (remove_unused_locals): Declare.
16405 * passes.c (execute_todo): Call remove_unused_locals if
16406 TODO_remove_unused_locals is set.
16407 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16408 * tree-ssa-dce.c (pass_dce): Likewise.
16409 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16411 2006-01-05 Richard Guenther <rguenther@suse.de>
16413 * tree-flow.h (struct fieldoff): Decompose field to
16414 type, size and decl.
16415 * tree-ssa-alias.c (create_sft): Take type as parameter.
16416 (create_overlap_variables_for): Store type, size and decl
16417 in the fieldoff structure.
16418 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16419 of struct fieldoff.
16420 (push_fields_onto_fieldstack): Likewise.
16421 (create_variable_info_for): Likewise. Use offset for the
16422 SFT name if the decl is not available.
16424 2006-01-04 Paul Brook <paul@codesourcery.com>
16426 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16428 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16430 * lambda-code.c (can_put_in_inner_loop): Relax
16432 (can_put_after_inner_loop): New function.
16433 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16434 (perfect_nestify): Change to make copies and modify uses.
16436 2006-01-04 Richard Henderson <rth@redhat.com>
16438 Merge from gomp branch:
16439 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16440 via integer constant.
16441 (pragma_lex): Remove.
16442 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16443 rather than parsing it.
16444 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16445 handle_pragma_extern_prefix): Add %< %> quotes.
16446 (registered_pragmas): New.
16447 (c_register_pragma_1): New.
16448 (c_register_pragma): Use it.
16449 (c_register_pragma_with_expansion): Likewise.
16450 (c_invoke_pragma_handler): New.
16451 (init_pragma): Use cpp_register_deferred_pragma directly for
16453 * c-pragma.h (enum pragma_kind): New.
16454 (pragma_handler): New.
16455 (c_invoke_pragma_handler): Declare.
16456 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16458 * c-common.h (c_common_pch_pragma): Update decl.
16459 * Makefile.in (c-parser.o): Update dependencies.
16460 (GTFILES): Add c-pragma.h.
16461 * c-parser.c (struct c_token): Add pragma_kind.
16462 (struct c_parser): Add in_pragma.
16463 (c_lex_one_token): Always initialize keyword and pragma_kind.
16464 Extract data for CPP_PRAGMA.
16465 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16466 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16467 Don't allow CPP_PRAGMA_EOL if in_pragma.
16468 (c_parser_consume_pragma): New.
16469 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16470 (c_parser_skip_to_end_of_parameter): Likewise.
16471 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16472 (c_parser_skip_to_pragma_eol): New.
16473 (c_parser_external_declaration): Handle CPP_PRAGMA.
16474 (c_parser_compound_statement_nostart): Likewise.
16475 (c_parser_statement_after_labels): Likewise.
16476 (c_parser_pragma): New.
16477 (pragma_lex): Likewise.
16478 (c_parser_pragma_pch_preprocess): New.
16479 (c_parser_new): Merge into ...
16480 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16482 2006-01-04 Jeff Law <law@redhat.com>
16485 * tree-cfg.c (bsi_replace): Remove the original statement
16486 from the EH throw statement table.
16488 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16490 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16491 make the prototype extern "C" and add throw ().
16494 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16495 and pos non-negative and pos + len <= 32.
16496 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16497 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16498 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16501 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16502 as well as sizes not multiple of component size.
16505 * function.c (instantiate_expr): New function.
16506 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16507 walk its DECL_VALUE_EXPR with instantiate_expr.
16509 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16510 DW_OP_deref{,_size} if address isn't going to be added.
16512 2006-01-04 Ben Elliston <bje@au.ibm.com>
16514 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16515 * config/fp-bit.c: Likewise.
16517 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16519 * dominance.c: Add comment about why we use DFS numbering
16522 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16523 Richard Henderson <rth@redhat.com>
16525 Merge from gomp-branch:
16526 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16527 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16529 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16531 PR rtl-optimization/25578
16532 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16533 pass a parameter to simplify_shift_const if changing ASHIFTRT
16536 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16538 * builtins.c (get_builtin_sync_mem): New function.
16539 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16540 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16541 Call get_builtin_sync_mem to generate mem rtx.
16543 2006-01-03 Richard Guenther <rguenther@suse.de>
16546 * stmt.c (add_case_node): Make sure to clear overflow flags
16549 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16551 Merge from gomp-branch.
16552 * config/sparc/sync.md: New file.
16553 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16554 UNSPECV_LDSTUB): New constants.
16555 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16556 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16557 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16560 2006-01-03 Roger Sayle <roger@eyesopen.com>
16562 * combine.c (reg_subword_p): New predicate to test whether the
16563 destination of a set refers to a subword/piece of a register.
16564 (try_combine): Generalize the code to merge the setting of a
16565 pseudo to a constant followed by a set of a subword of that
16566 register to a constant.
16568 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16570 * basic-block.h (control_flow_graph): Change the type of
16571 x_label_to_block_map to VEC(basic_block,gc) *.
16572 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16573 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16575 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16576 VEC(basic_block,heap) *.
16577 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16578 ssa_prop_fini): Adjust the uses of cfg_blocks.
16580 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16582 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16584 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16585 hashing trees instead of a pointer hash.
16586 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16587 compare for MEM_EXPR.
16589 PR rtl-optimization/25130
16590 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16591 when comparing MEMs for GCSE
16593 2006-01-03 Ben Elliston <bje@au.ibm.com>
16595 * targhooks.h (default_decimal_float_supported_p): Declare.
16596 * targhooks.c (default_decimal_float_supported_p): Define.
16597 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16598 `default_decimal_float_supported_p'.
16599 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16601 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16603 * combine.c (apply_distributive_law <SUBREG>): Check
16604 TRULY_NOOP_TRUNCATION.
16606 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16608 * dwarf2out.c (have_switched_text_section): Delete.
16609 (have_multiple_function_sections): New.
16610 (have_location_lists): Make 'bool'.
16611 (add_AT_loc_list): Use 'true' not '1'.
16612 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16613 (output_loc_list): Use have_multiple_function_sections.
16614 (output_ranges): Likewise.
16615 (dwarf2out_begin_function): Set have_multiple_function_sections if
16617 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16618 Check function_section rather than DECL_SECTION_NAME.
16619 (dwarf2out_finish): Use have_multiple_function_sections.
16620 Don't clear have_location_lists.
16622 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16623 Jan Hubicka <jh@suse.cz>
16625 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16626 case of conditional jump jumping to the next instruction.
16627 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16628 cases of conditional jump jumping to the next instruction.
16630 2006-01-02 Jan Hubicka <jh@suse.cz>
16632 * i386.c (*_cost): Add COSTS_N_INSNS.
16633 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16635 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16638 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16640 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16642 * config/arm/arm.c (all_fpus): Fix comment typo.
16643 * config/darwin.c: Likewise.
16644 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16645 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16646 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16648 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16650 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16651 (rs6000_split_compare_and_swapqhi): New.
16652 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16653 (sync_compare_and_swapqhi_internal): New.
16654 * config/rs6000/rs6000-protos.h: Declare.