1 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2 Nathan Sidwell <nathan@codesourcery.com>
4 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5 when choosing the minimum heapsize.
7 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
9 * gcc/unwind-dw2.h: Move cfa-related variables into
10 struct frame_state_reg_info to ensure that the CFA is properly
11 handled when executing DW_CFA_{remember,restore}_state.
12 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
13 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
14 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
15 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
16 gcc/config/rs6000/linux-unwind.h,
17 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
18 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
19 Modify to use new cfa_* fields.
21 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
23 * config/s390/s390.c (s390_init_frame_layout): Check positive
26 2006-10-26 Ben Elliston <bje@au.ibm.com>
28 * gimplify.c (get_name): Remove extraneous break.
29 (gimplify_omp_for): Initialise ret with GS_OK.
31 2006-10-25 Steve Ellcey <sje@cup.hp.com>
33 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
34 Add unix98.o to link line.
36 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
39 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
40 Calculate compile-time constants using MPFR.
41 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
42 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
44 2006-10-25 Bob Wilson <bob.wilson@acm.org>
46 * config/xtensa/lib2funcs.S: Use C-style comments.
48 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
50 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
51 (file_table_relative_p): Likewise.
52 (dwarf2out_finish): Likewise.
53 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
55 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
57 * tree-ssa-structalias.c (intra_create_variable_infos):
58 Don't recreate nonlocal_all if it already exists.
60 2006-10-25 Richard Guenther <rguenther@suse.de>
63 * optabs.h (enum optab_index): Remove OTI_lrint.
64 (enum convert_optab_index): Add COI_lrint.
65 (lrint_optab): Adjust.
66 (expand_sfix_optab): Declare.
67 * optabs.c (expand_sfix_optab): New function.
68 (init_optabs): Init lrint_optab as conversion optab.
69 * genopinit.c (lrint_optab): Change to a conversion optab.
70 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
71 expansion via conversion optab.
72 * config/i386/i386.md (*fistdi2_1): Remove
73 flag_unsafe_math_optimizations guard.
74 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
75 fist<mode>2_with_temp): Likewise.
76 (lrint<mode>2): Split into...
77 (lrintxf<mode>2): ... x87 part
78 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
79 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
80 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
81 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
82 * doc/md.texi (lrintMN2): Document.
84 2006-10-25 Uros Bizjak <uros@kss-loka.si>
87 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
88 Use inc and dec instructions for TARGET_USE_INCDEC.
89 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
90 ("sync_double_compare_and_swap<mode>"): Likewise.
91 ("*sync_double_compare_and_swapdi_pic"): Likewise.
92 ("*sync_compare_and_swap_cc<mode>"): Likewise.
93 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
94 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
95 ("sync_old_add<mode>"): Likewise.
96 ("sync_lock_test_and_set<mode>"): Likewise.
97 ("sync_lock_test_and_set<mode>"): Likewise.
98 ("sync_add<mode>"): Likewise.
99 ("sync_sub<mode>"): Likewise.
100 ("sync_ior<mode>"): Likewise.
101 ("sync_and<mode>"): Likewise.
102 ("sync_xor<mode>"): Likewise.
104 2006-10-25 Uros Bizjak <uros@kss-loka.si>
106 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
107 (remainder_optab): Define corresponding macro.
108 (drem_optab): Remove.
109 * optabs.c (init_optabs): Initialize remainder_optab. Remove
110 drem_optab initialization.
111 * genopinit.c (optabs): Implement remainder_optab using
112 remainder?f3 patterns. Remove drem_optab.
113 * builtins.c (expand_builtin_mathfn_2): Handle
114 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
115 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
116 expand_builtin_mathfn_2.
118 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
119 depend on flag_unsafe_math_optimizations.
121 * config/i386/i386.md ("remaindersf3", "remainderdf3")
122 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
123 Do not depend on flag_unsafe_math_optimizations. Use
124 truncxf?f expander instead of truncxf?f_i387_noop.
126 ("fpremxf4", "fprem1xf4"): Do not depend on
127 flag_unsafe_math_optimizations.
128 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
129 flag_unsafe_math_optimizations. Use truncxf?f expander
130 instead of truncxf?f_i387_noop.
132 * doc/md.texi (fmod, remainder): Document standard named pattern.
134 2006-10-24 Richard Sandiford <richard@codesourcery.com>
135 David Daney <ddaney@avtrex.com>
138 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
140 2006-10-25 Ben Elliston <bje@au.ibm.com>
142 * doc/extend.texi (Variable Attributes): Typo fix.
144 2006-10-24 Uros Bizjak <uros@kss-loka.si>
146 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
147 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
148 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
149 (FRAME_POINTER_REGNUM): Update register number to 21.
150 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
151 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
153 * config/i386/i386.c (regclass_map): Add fpcr entry.
154 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
156 (print_reg): Assert REGNO (x) != FPCR_REG.
158 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
159 (DIRFLAG_REG): Renumber.
160 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
161 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
162 (sse_prologue_save, *sse_prologue_save_insn): Renumber
163 hardcoded SSE register numbers.
165 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
166 hardcoded MMX register numbers.
168 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
171 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
172 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
174 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
175 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
176 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
177 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
179 2006-10-24 Richard Guenther <rguenther@suse.de>
182 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
183 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
184 for deciding optimizations in consistency with fold-const.c
185 (fold_builtin_unordered_cmp): Likewise.
187 2006-10-24 Richard Guenther <rguenther@suse.de>
189 * builtins.c (fold_builtin_floor): Fold floor (x) where
190 x is nonnegative to trunc (x).
191 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
192 nonnegative to FIX_TRUNC_EXPR.
194 2006-10-24 Richard Guenther <rguenther@suse.de>
196 PR tree-optimization/29567
197 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
198 for TRUTH_NOT_EXPR. Clarify comments.
200 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
203 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
204 at compile-time using MPFR. Change parameter VALUE to FUNC,
206 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
207 for overflow and underflow at all times and avoid folding in
210 2006-10-24 Ben Elliston <bje@au.ibm.com>
212 * reload1.c: Formatting fixes.
214 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
216 PR tree-optimization/14784
217 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
218 * tree-ssa-structalias.c (get_constraint_for,
219 intra_create_variable_infos): Set is_heapvar.
220 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
221 non-heapvar pointer variables specially.
223 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
226 * builtins.c (fold_builtin_sin, fold_builtin_cos,
227 fold_builtin_tan): Fold all constant arguments. Take a "type"
228 argument as necessary.
230 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
232 2006-10-23 Bob Wilson <bob.wilson@acm.org>
234 * config/xtensa/lib1funcs.asm: Use C-style comments.
236 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
238 * tree.c (local_define_builtin): Replace calls to
239 lang_hooks.builtin_function with add_builtin_function.
240 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
242 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
244 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
245 common code to add_builtin_function.
246 * langhooks.c (add_builtin_function): New function.
247 (lhd_builtin_function): New function.
248 * langhooks.h (struct lang_hooks): Change the signature of
250 (add_builtin_function): New function.
251 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
252 calls to lang_hooks.builtin_function with add_builtin_function.
253 * c-common.c (decl_builtin_1): Replace calls to
254 lang_hooks.builtin_function with add_builtin_function.
255 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
256 lang_hooks.builtin_function with add_builtin_function.
257 * config/frv/frv.c (def_builtin): Replace calls to
258 lang_hooks.builtin_function with add_builtin_function.
259 * config/s390/s390.c (s390_init_builtins): Replace calls to
260 lang_hooks.builtin_function with add_builtin_function.
261 * config/sparc/sparc.c (def_builtin): Replace calls to
262 lang_hooks.builtin_function with add_builtin_function.
263 * config/i386/i386.c (def_builtin): Replace calls to
264 lang_hooks.builtin_function with add_builtin_function.
265 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
266 lang_hooks.builtin_function with add_builtin_function.
267 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
268 lang_hooks.builtin_function with add_builtin_function.
269 * config/stormy16/stormy16.c (xstormy16_init_builtins):
270 Replace calls to lang_hooks.builtin_function with
271 add_builtin_function.
272 * config/iq2000/iq2000.c (def_builtin):
273 Replace calls to lang_hooks.builtin_function with
274 add_builtin_function.
275 * config/ia64/ia64.c (def_builtin): Replace calls to
276 lang_hooks.builtin_function with add_builtin_function.
277 * config/rs6000/rs6000.c (def_builtin): Replace calls to
278 lang_hooks.builtin_function with add_builtin_function.
279 (altivec_init_builtins): Replace calls to
280 lang_hooks.builtin_function with add_builtin_function.
281 * config/arm/arm.c (def_mbuiltin): Replace calls to
282 lang_hooks.builtin_function with add_builtin_function.
283 (arm_init_tls_builtins): Replace calls to
284 lang_hooks.builtin_function with add_builtin_function.
285 * config/mips/mips.c (mips_init_builtins): Replace calls to
286 lang_hooks.builtin_function with add_builtin_function.
287 * config/bfin/bfin.c (def_builtin): Replace calls to
288 lang_hooks.builtin_function with add_builtin_function.
289 * langhooks-def.h (lhd_builtin_function): New function.
290 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
292 2006-10-23 Jakub Jelinek <jakub@redhat.com>
294 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
295 BUILT_IN_STRNCAT_CHK.
297 2006-10-23 Jan Hubicka <jh@suse.cz>
299 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
300 don't do conversion from memmove to memcpy here.
301 (expand_builtin_bcopy, expand_builtin): Update call of
302 expand_builtin_memmove.
303 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
305 2006-10-23 Paul Brook <paul@codesourcery.com>
307 * stor-layout.c (start_record_layout): maximum_field_alignment
308 overrides STRUCTURE_SIZE_BOUNDARY.
310 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
312 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
313 nonlocal function symbols if flag_pic.
315 2006-10-23 Richard Guenther <rguenther@suse.de>
319 * builtins.c (fold_binary): Remove checks for flag_wrapv
320 and flag_trapv where negate_expr_p covers these cases.
322 2006-10-23 Richard Guenther <rguenther@suse.de>
325 * fold-const.c (fold_plusminus_mult_expr): Check exact power
326 of two on the absolute value.
327 (fold_binary): Fold x * -C to -x * C if x is easily negatable
328 and negating -C does not overflow.
330 2006-10-23 Richard Guenther <rguenther@suse.de>
333 * convert.c (convert_to_real): Fold (float)-x to -(float)x
334 only if not flag_rounding_math.
336 2006-10-22 Richard Sandiford <richard@codesourcery.com>
337 Kaz Kojima <kkojima@gcc.gnu.org>
340 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
341 SImode memory reference for the source of a movua.
342 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
343 (movua): Use an unspec instead of sign_extract. Expect the source
344 to have mode BLKmode.
345 (extv, insv): Use a BLKmode rather than SImode memory reference
346 for the source of a movua.
348 2006-10-22 Jeff Law <law@redhat.com>
349 Richard Guenther <rguenther@suse.de>
351 PR tree-optimization/15911
352 * tree-vrp.c (extract_code_and_val_from_cond): New function.
353 (register_edge_assert_for_1): Likewise.
354 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
355 (find_conditional_asserts): Adjust for new function signature.
356 (find_assert_locations): Likewise.
358 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
360 * config/i386/tmmintrin.h: Remove the duplicated content.
362 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
364 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
365 (x86_64-*-*): Likewise.
367 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
368 (override_options): Check SSSE3.
369 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
370 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
371 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
372 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
373 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
374 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
375 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
376 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
377 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
378 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
379 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
380 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
381 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
382 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
383 IX86_BUILTIN_PABSD128.
384 (bdesc_2arg): Add SSSE3.
385 (bdesc_1arg): Likewise.
386 (ix86_init_mmx_sse_builtins): Support SSSE3.
387 (ix86_expand_builtin): Likewise.
388 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
390 * config/i386/i386.md (UNSPEC_PSHUFB): New.
391 (UNSPEC_PSIGN): Likewise.
392 (UNSPEC_PALIGNR): Likewise.
393 Include mmx.md before sse.md.
395 * config/i386/i386.opt: Add -mssse3.
397 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
398 (ssse3_phaddwv4hi3): Likewise.
399 (ssse3_phadddv4si3): Likewise.
400 (ssse3_phadddv2si3): Likewise.
401 (ssse3_phaddswv8hi3): Likewise.
402 (ssse3_phaddswv4hi3): Likewise.
403 (ssse3_phsubwv8hi3): Likewise.
404 (ssse3_phsubwv4hi3): Likewise.
405 (ssse3_phsubdv4si3): Likewise.
406 (ssse3_phsubdv2si3): Likewise.
407 (ssse3_phsubswv8hi3): Likewise.
408 (ssse3_phsubswv4hi3): Likewise.
409 (ssse3_pmaddubswv8hi3): Likewise.
410 (ssse3_pmaddubswv4hi3): Likewise.
411 (ssse3_pmulhrswv8hi3): Likewise.
412 (ssse3_pmulhrswv4hi3): Likewise.
413 (ssse3_pshufbv16qi3): Likewise.
414 (ssse3_pshufbv8qi3): Likewise.
415 (ssse3_psign<mode>3): Likewise.
416 (ssse3_psign<mode>3): Likewise.
417 (ssse3_palignrti): Likewise.
418 (ssse3_palignrdi): Likewise.
419 (abs<mode>2): Likewise.
420 (abs<mode>2): Likewise.
422 * config/i386/tmmintrin.h: New file.
424 * doc/extend.texi: Document SSSE3 built-in functions.
426 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
428 2006-10-22 Ira Rosen <irar@il.ibm.com>
430 * tree-vect-transform.c (vectorizable_load): Use the type of the
431 return value of the mask_for_load builtin to create realign_load
434 2006-10-22 Richard Sandiford <richard@codesourcery.com>
436 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
439 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
441 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
442 (UNSPEC_LDDQU): This.
443 * config/i386/sse.md (sse3_lddqu): Updated.
445 2006-10-21 Richard Guenther <rguenther@suse.de>
447 * builtins.c (expand_builtin_int_roundingfn_2): New function.
448 (expand_builtin): Use it to expand lrint instead of
449 expand_builtin_mathfn.
451 2006-10-21 Uros Bizjak <uros@kss-loka.si>
454 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
455 flag_unsafe_math_optimizations is set.
457 2006-10-21 Uros Bizjak <uros@kss-loka.si>
460 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
461 patterns to use memory input operand in x87->mem->XMM
462 reload sequences. Skip transformation for TARGET_K8.
464 2006-10-21 Uros Bizjak <uros@kss-loka.si>
466 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
467 force operand1 to register if both operands are memory operands.
468 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
469 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
470 if both operands are memory operands.
471 (truncdfsf2): Do not force operand1 to register if both operands
474 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
476 * Makefile.in (LIBS): Add $(GMPLIBS).
477 * doc/install.texi: Update GMP and MPFR requirements.
478 * doc/sourcebuild.texi (need_gmp): Delete.
480 2006-10-21 Richard Guenther <rguenther@suse.de>
482 PR tree-optimization/3511
483 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
484 got new invariant arguments during PHI translation.
486 2006-10-21 Richard Guenther <rguenther@suse.de>
489 * fold-const.c (fold_comparison): Fold signed comparisons
490 of the form X +- C1 CMP Y +- C2.
492 2006-10-21 Richard Guenther <rguenther@suse.de>
495 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
496 if flag_unsafe_math_optimizations is specified. We have
497 flag_finite_math_only for that.
498 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
499 or flag_unsafe_math_optimizations.
501 2006-10-21 Richard Guenther <rguenther@suse.de>
503 * builtins.c (fold_builtin_classify): Fix typo.
505 2006-10-21 Richard Guenther <rguenther@suse.de>
508 * simplify-rtx.c (simplify_const_relational_operation):
509 Do not constant-fold ORDERED and UNORDERED for
510 flag_unsafe_math_optimizations but only we do not need to
511 honor NaNs for the given mode.
513 2006-10-21 Richard Guenther <rguenther@suse.de>
516 * config/i386/i386.c (classify_argument): Remove redundant
517 walking of the BINFOs.
518 (contains_128bit_aligned_vector_p): Likewise.
520 2006-10-20 Mark Mitchell <mark@codesourcery.com>
522 * BASE-VER: Set to 4.3.0.
524 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
526 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
527 (tree_decl_with_vis): Remove artificial_pta_var flag.
528 * tree-flow.h (referenced_var_check_and_insert): Expose.
529 (nonlocal_all): New prototype.
530 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
531 (nonlocal_all): Make global.
532 (nonlocal_lookup): Remove.
533 (nonlocal_insert): Ditto.
534 (create_nonlocal_var): Do not call nonlocal_insert.
535 (get_nonlocal_id_for_type): Remove.
536 (find_global_initializers): Mark new vars we find for renaming.
537 (intra_create_variable_infos): Only create one nonlocal.
538 (expand_nonlocal_solutions): Remove.
539 (compute_points_to_sets): Don't call it.
540 (ipa_pta_execute): Ditto.
541 (init_alias_heapvars): Don't create nonlocal_for_type.
542 (delete_alias_heapvars): Don't remove it.
543 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
546 2006-10-19 Brooks Moses <bmoses@stanford.edu>
548 * doc/install.texi (Downloading GCC): Clarify mention of
549 Fortran in the "full distribution" description.
551 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
553 Fix PR tree-optimization/28778
554 Fix PR tree-optimization/29156
555 Fix PR tree-optimization/29415
556 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
557 (tree_decl_with_vis): Add artificial_pta_var flag.
558 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
560 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
561 (nonlocal_all): Ditto.
562 (struct variable_info): Add directly_dereferenced member.
563 (var_escaped_vars): New variable.
564 (escaped_vars_tree): Ditto.
565 (escaped_vars_id): Ditto.
566 (nonlocal_vars_id): Ditto.
567 (new_var_info): Set directly_dereferenced.
568 (graph_size): New variable
569 (build_constraint_graph): Use graph_size.
570 (solve_graph): Don't process constraints that cannot change the
571 solution, don't try to propagate an empty solution to our
573 (process_constraint): Set directly_dereferenced.
574 (could_have_pointers): New function.
575 (get_constraint_for_component_ref): Don't process STRING_CST.
576 (nonlocal_lookup): New function.
577 (nonlocal_insert): Ditto.
578 (create_nonlocal_var): Ditto.
579 (get_nonlocal_id_for_type): Ditto.
580 (get_constraint_for): Allow results vector to be empty in the case
582 Handle results of calls properly.
583 (update_alias_info): Update alias info stats on number and type of
585 (find_func_aliases): Use could_have_pointers.
586 (make_constraint_from_escaped): Renamed from
587 make_constraint_to_anything, and changed to make constraints from
589 (make_constraint_to_escaped): New function.
590 (find_global_initializers): Ditto.
591 (create_variable_info_for): Make constraint from escaped to any
592 global variable, and from any global variable to the set of
594 (intra_create_variable_infos): Deal with escaped instead of
595 pointing to anything.
596 (set_uids_in_ptset): Do type pruning on directly dereferenced
598 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
599 (init_base_vars): Fix comment, and initialize escaped_vars.
600 (need_to_solve): Removed.
601 (find_escape_constraints): New function.
602 (expand_nonlocal_solutions): Ditto.
603 (compute_points_to_sets): Call find_escape_constraints and
604 expand_nonlocal_solutions.
605 (delete_points_to_sets): Don't fall off the end of the graph.
606 (init_alias_heapvars): Initialize nonlocal_for_type and
608 (delete_alias_heapvars): Free nonlocal_for_type and null out
611 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
613 * fold-const.c (add_double): Rename to add_double_with_sign.
614 Add 'unsigned_p' parameter and take it into account for the overflow.
615 (mul_double): Rename to mul_double_with_sign.
616 Add 'unsigned_p' parameter and take it into account for the overflow.
617 (fold_div_compare): Call add_double_with_sign instead of add_double
618 and mul_double_with_sign instead of mul_double, passing them the
619 unsignedness of the type.
620 * tree.h (add_double): Macroize.
621 (add_double_with_sign): New prototype.
622 (mul_double): Macroize.
623 (mul_double_with_sign): New prototype.
625 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
627 * config/score/crti.asm: New file.
628 * config/score/crtn.asm: New file.
629 * config/score/elf.h: New file.
630 * config/score/mac.md: New file.
631 * config/score/misc.md: New file.
632 * config/score/mul-div.S: New file.
633 * config/score/predicates.md: New file.
634 * config/score/score7.md: New file.
635 * config/score/score.c: New file.
636 * config/score/score-conv.h: New file.
637 * config/score/score.h: New file.
638 * config/score/score.md: New file.
639 * config/score/score-mdaux.c: New file.
640 * config/score/score-mdaux.h: New file.
641 * config/score/score-modes.def: New file.
642 * config/score/score.opt: New file.
643 * config/score/score-protos.h: New file.
644 * config/score/score-version.h: New file.
645 * config/score/t-score-elf: New file.
646 * config.gcc: Add score*-*-* configurations(Update before).
647 * doc/invoke.texi (Score Options): New section.
648 * doc/md.texi (Score family): New section to document constraints.
650 2006-10-19 Nick Clifton <nickc@redhat.com>
652 * config/arm/arm.c: Fix spelling typo.
654 2006-10-18 Tom Tromey <tromey@redhat.com>
656 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
658 2006-10-18 Jan Hubicka <jh@suse.cz>
661 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
664 2006-10-18 Marcin Dalecki <martin@dalecki.de>
666 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
667 TSI_SAME_STMT, since that's the desired entity.
669 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
671 * config/s390/contraints.md: New file.
672 * config/s390/s390-protos.h (s390_mem_constraint,
673 s390_O_constraint_str, s390_N_constraint_str,
674 s390_float_const_zero_p): Function prototypes added.
675 * config/s390/s390.c (s390_extra_constraint_str,
676 s390_const_double_ok_for_constraint_p,
677 s390_const_ok_for_constraint_p): Functions removed.
678 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
679 s390_float_const_zero_p): New functions.
680 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
681 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
682 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
683 Macro definitions removed.
684 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
685 s390_extra_constraint_str): Functions removed.
687 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
688 Richard Sandiford <richard@codesourcery.com>
691 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
692 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
694 2006-10-16 Geoffrey Keating <geoffk@apple.com>
696 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
697 (DWARF2_FRAME_REG_OUT): Likewise.
698 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
699 (DWARF2_FRAME_REG_OUT): Likewise.
701 2006-10-17 Paul Brook <paul@codesourcery.com>
703 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
705 2006-10-16 Brooks Moses <bmoses@stanford.edu>
707 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
708 Standardize on "GNU Fortran" as the official name of the Fortran
711 2006-10-16 Mike Stump <mrs@apple.com>
713 * doc/invoke.texi (Darwin Options): Document -mkernel.
714 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
716 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
717 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
718 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
719 (OS_MISSING_ALTIVEC): Add.
720 * config/i386/i386.c (override_options): Add
721 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
722 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
723 -mkernel, -static or -mdynamic-no-pic is given.
724 (C_COMMON_OVERRIDE_OPTIONS): Add.
725 * config/darwin.opt (fapple-kext): Add.
727 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
728 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
730 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
731 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
732 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
733 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
734 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
736 (flag_apple_kext): Add.
737 (TARGET_KEXTABI): Add.
738 * config/darwin.c (darwin_handle_kext_attribute): Add.
739 (DARWIN_VTABLE_P): Add.
740 (darwin_binds_local_p): Add partial support for rebinding vtables
742 (darwin_kextabi_p): Add.
743 (darwin_override_options): Add.
744 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
745 (darwin_kextabi_p): Add.
746 (darwin_override_options): Add.
747 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
748 __DYNAMIC__ and __STATIC__ here.
750 2006-10-16 Brooks Moses <bmoses@stanford.edu>
752 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
753 Added mention of "make pdf" target, and Texinfo requirements for
756 2006-10-16 DJ Delorie <dj@redhat.com>
758 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
759 into the GOT in case we need a subreg of the address.
761 2006-10-16 Richard Guenther <rguenther@suse.de>
764 * doc/extend.texi (X86 Built-in Functions): Fix typos in
765 SSE builtin documentation. Document SSE2 builtins.
767 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
769 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
770 symbol in the output file for non-shared links when -nostdlib or
771 -nodefaultlibs isn't specified.
773 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
774 posix thread support.
776 2006-10-15 Jan Hubicka <jh@suse.cz>
779 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
780 declared always_inline even when not inlining.
782 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
783 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
784 Andrew Pinski <pinskia@gmail.com>
787 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
789 2006-10-15 Jan Hubicka <jh@suse.cz>
790 Richard Guenther <rguenther@suse.de>
793 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
794 process_function_and_variable_attributes on all variables, including
795 those discovered during cgraph construction phase.
797 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
799 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
801 2006-10-14 Uros Bizjak <uros@kss-loka.si>
803 * config/i386/athlon.md (athlon_fist): Add fisttp.
805 2006-10-13 David Edelsohn <edelsohn@gnu.org>
806 Ian Lance Taylor <ian@airs.com>
809 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
810 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
813 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
815 * config/score/score.c, config/score/score.h: Fix comment
818 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
821 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
824 2006-10-13 Eric Christopher <echristo@apple.com>
826 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
828 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
831 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
832 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
833 alignment supported by 32-bit ELF.
835 2006-10-13 Eric Christopher <echristo@apple.com>
837 * config/darwin.c (darwin_emit_unwind_label): Strip
838 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
840 2006-10-13 Richard Guenther <rguenther@suse.de>
842 PR tree-optimization/29446
843 * tree-vrp.c (fix_equivalence_set): Remove.
844 (extract_range_from_assert): Do not call fix_equivalence_set.
845 (debug_value_range): Print a newline.
846 (compare_name_with_value): For equivalence sets with
847 inconsistent value ranges conservatively bail out.
848 (compare_names): Likewise.
850 2006-10-13 David Edelsohn <edelsohn@gnu.org>
852 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
853 and MPFR for gfortran.
855 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
857 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
858 alignment supported by 32-bit ELF.
860 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
864 * c-typeck.c (digest_init): Always allow initializing vectors
865 that have static storage duration with compound literals.
866 * tree.c (build_type_attribute_qual_variant): New, based on
867 build_type_attribute_variant.
868 (build_type_attribute_variant): Rewrite using the former.
869 (make_vector_type): Use build_type_attribute_qual_variant to build
870 type variants. Use type_hash_canon on the others.
872 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
873 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
875 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
877 2006-10-12 Jan Hubicka <jh@suse.cz>
880 * c-decl.c (c_make_fname_decl): Do not segfault in case where
881 current_function_decl is set but current_function_scope is not.
883 2006-10-12 Jie Zhang <jie.zhang@analog.com>
885 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
886 emit_insn to emit eh_return_internal instruction.
887 (eh_return_internal): Explicitly set pc.
889 2006-10-11 Richard Guenther <rguenther@suse.de>
891 PR tree-optimization/28230
892 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
893 to the correct place.
895 2006-10-11 Richard Guenther <rguenther@suse.de>
898 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
901 2006-10-10 Brooks Moses <bmoses@stanford.edu>
903 * configure.ac: Added pdf to "Make-hooks"
904 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
905 targets and *.pdf file patterns in cleanup targets.
906 * configure: Regenerated.
908 2006-10-10 Anatoly Sokolov <aesok@post.ru>
910 * config/avr/predicates.md: New file.
911 * config/avr/avr.md: Include it.
912 (REG_SP): New constant.
913 (peepholes): Use predicates.
914 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
915 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
916 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
918 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
920 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
923 2006-10-10 Jakub Jelinek <jakub@redhat.com>
926 * builtins.c (var_decl_component_p): New function.
927 (fold_builtin_memset, fold_builtin_memory_op): Restrict
928 single entry optimization to variables and components thereof.
930 2006-10-10 Richard Guenther <rguenther@suse.de>
932 PR rtl-optimization/29323
933 * except.c (set_nothrow_function_flags): For functions
934 that do not bind local bail out early.
936 2006-10-10 Ben Elliston <bje@au.ibm.com>
938 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
941 2006-10-09 Richard Henderson <rth@redhat.com>
945 2006-10-09 Richard Guenther <rguenther@suse.de>
948 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
951 2006-10-09 Steve Ellcey <sje@cup.hp.com>
954 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
955 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
956 * configure: Regenerate.
957 * config.in: Regenerate.
959 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
961 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
963 2006-10-08 Richard Sandiford <richard@codesourcery.com>
965 * config/mips/mips.c (mips_legitimize_tls_address): Implement
966 all TLS models in the same way as local exec if !TARGET_ABICALLS.
967 Remove stray newline.
969 2006-10-08 Richard Sandiford <richard@codesourcery.com>
971 * config/mips/mips.c (mips_classify_symbol): Do not return
972 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
973 (mips_in_small_data_p): Tweak comments.
975 2006-10-08 Richard Sandiford <richard@codesourcery.com>
977 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
979 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
981 * gimplify.c, sched-int.h: Fix comment typos.
983 * sched-int.h: Fix comment typos.
985 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
987 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
989 * sched-ebb.c (begin_schedule_ready): Use them.
990 * haifa-sched.c (schedule_insn, move_insn, try_ready,
991 add_to_speculative_block, create_check_block_twin, speculate_insn,
992 fix_jump_move, move_block_after_check): Ditto.
993 * sched-rgn.c (new_ready): Ditto.
995 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
997 PR rtl-optimization/29128
998 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
999 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1000 allow interblock movement of speculation checks.
1002 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1005 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1006 casted to integer type.
1007 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1008 if they are significantly more expensive than [reg + index] ones.
1010 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1012 PR tree-optimization/29330
1013 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1014 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1015 on newly allocated ddrs.
1016 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1017 to VEC (loop_p, heap) pointer.
1018 (compute_data_dependences_for_loop): Adjust caller.
1019 (free_dependence_relations): Free DDR_LOOP_NEST.
1021 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1022 free DEPENDENCE_RELATIONS and DATAREFS.
1025 * builtins.c (expand_builtin_sync_operation,
1026 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1027 Use convert_to_mode to handle promoted arguments.
1029 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1031 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1033 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1035 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1037 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1039 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1040 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1041 Use <modeconstraint> instead of "r" as operand 1 constraint.
1043 2006-10-06 Olivier Hainque <hainque@adacore.com>
1045 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1046 Don't recurse on the pointed-to type.
1047 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1048 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1049 types with components of variable size.
1051 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1053 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1055 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1057 PR tree-optimization/29290
1058 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1062 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1063 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1066 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1067 the number of vector elements fill the rest with zeros.
1069 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1071 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1072 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1075 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1077 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1078 unnamed pattern into subsi3. Use correct constraints/predicates.
1079 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1080 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1082 2006-10-05 Ira Rosen <irar@il.ibm.com>
1084 * doc/loop.texi: Add data references analysis description.
1086 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1088 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1090 2006-10-04 Richard Henderson <rth@redhat.com>
1091 Jakub Jelinek <jakub@redhat.com>
1093 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1094 * builtin-types.def (BT_WORD): Make unsigned.
1095 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1096 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1097 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1098 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1099 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1100 * cgraph.c (decide_is_variable_needed): Look at force_output.
1101 Recurse for emulated tls.
1102 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1103 checks redundant with decide_is_variable_needed.
1104 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1105 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1107 * expr.c (emutls_var_address): New.
1108 (expand_expr_real_1): Expand emulated tls.
1109 (expand_expr_addr_expr_1): Likewise.
1110 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1111 * output.h (emutls_finish): Declare.
1112 * toplev.c (compile_file): Call it.
1113 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1114 address before wrapping in CONST.
1115 * varasm.c (emutls_htab, emutls_object_type): New.
1116 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1117 (get_emutls_object_name, get_emutls_object_type): New.
1118 (get_emutls_init_templ_addr, emutls_decl): New.
1119 (emutls_common_1, emutls_finish): New.
1120 (assemble_variable): When emulating tls, swap decls; generate
1121 constructor for the emutls objects.
1122 (do_assemble_alias): When emulating tls, swap decl and target name.
1123 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1125 * emutls.c: New file.
1126 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1127 tls_object for real tls.
1129 2006-10-04 Zack Weinberg <zackw@panix.com>
1131 Fix bug in constraint-check generator, reported by Rask Ingemann
1133 * genpreds.c (add_constraint): Don't remove anything from the
1135 (write_tm_constrs_h): Detect whether "op" argument is used, and
1136 mark it ARG_UNUSED if it isn't.
1137 (write_insn_const_int_ok_for_constraint): Skip the part of the
1138 expression that would test whether "op" (which is not available
1139 here) is a CONST_INT.
1141 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1144 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1146 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1148 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1149 current Leopard versions.
1150 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1152 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1154 * doc/install.texi: Fix typos.
1156 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1158 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1159 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1160 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1162 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1164 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1165 arg to be struct mach_header_64* instead.
1167 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1170 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1171 side effects after the outer expression's post side effects.
1173 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1175 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1176 comments to reflect actual behavior and relationship between
1177 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1179 * doc/c-tree.texi (Working with declarations): Fix documentation
1180 of FIELD_DECL likewise.
1182 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1185 * doc/extend.texi: Add used variable attribute description.
1187 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1190 * c.opt (Woverride-init): New.
1191 * c-opts.c (c_common_post_options): Default warn_override_init to
1193 * c-typeck.c (add_pending_init, output_init_element): Warn for
1194 overriding initializers without side effects.
1195 * doc/invoke.texi (-Woverride-init): Document.
1198 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1200 PR rtl-optimization/28096
1201 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1202 assignment has already been used as a destination earlier in the block.
1204 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1206 * builtins.c (expand_builtin_setjmp): Delete.
1207 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1208 <BUILT_IN_SETJMP_SETUP>: New case.
1209 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1210 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1211 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1212 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1213 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1214 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1215 (lower_function_body): Initialize it to false. If it is set to true
1216 at the end of the processing, emit the setjmp dispatcher.
1217 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1218 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1219 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1220 on the rhs of the assignment.
1221 (lower_builtin_setjmp): New function.
1222 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1223 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1224 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1225 to detect calls that can go to non-local labels. Use specific
1226 helper to create the abnormal edges associated with them.
1227 <MODIFY_EXPR>: Likewise.
1228 (make_abnormal_goto_edges): New function extracted from...
1229 (make_goto_expr_edges): ...here. Call it for computed gotos.
1230 (simple_goto_p): Minor tweak.
1231 (tree_can_make_abnormal_goto): New predicate.
1232 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1233 (tree_purge_dead_abnormal_call_edges): New function.
1234 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1235 (tree_purge_dead_abnormal_call_edges): Likewise.
1236 (make_abnormal_goto_edges): Likewise.
1237 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1238 Purge all dead abnormal edges if the call was in the last statement.
1239 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1240 (execute_fixup_cfg): If there are non-local labels in the function,
1241 scan the basic blocks and split them at calls that can go to non-local
1242 labels or add missing abnormal call edges. Write down the CFG in the
1244 (pass_fixup_cfg): Remove TODO_dump_func flag.
1245 * unwind-sjlj.c: Poison setjmp.
1246 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1247 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1248 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1249 (DONT_USE_BUILTIN_SETJMP): Document it.
1251 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1254 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1255 to 1 when __ppc64__ is defined.
1256 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1258 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1260 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1262 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1263 * config/ia64/unwind-hpux.c: Delete.
1265 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1267 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1268 on the element before gimplifying it, instead of punting if it is of
1271 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1273 * doc/loop.texi: New file.
1274 * doc/gccint.texi: Reference loop.texi.
1275 * Makefile.in (loop.texi): Add.
1277 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1279 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1281 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1282 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1284 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1286 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1288 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1290 * doc/install.texi: Document required versions of GMP and MPFR.
1292 2006-09-27 Paul Brook <paul@codesourcery.com>
1295 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1297 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1299 * reload1.c (alter_reg): Require the alignment of the stack slot to
1300 be at least reg_max_ref_width bytes.
1301 (scan_paradoxical_subregs): Record the largest width in
1304 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1308 * tree-nested.c (struct nesting_info): Added static_chain_added.
1309 (convert_call_expr): Set static_chain_added when adding static
1310 chain. Handle OMP_PARALLEL and OMP_SECTION.
1312 2006-09-25 Matthias Klose <doko@debian.org>
1314 * doc/invoke.texi: Add missing full stop.
1316 2006-09-25 Richard Henderson <rth@redhat.com>
1318 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1319 before cgraph_function_flags_ready.
1321 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1322 Adam Nemet <anemet@caviumnetworks.com>
1324 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1325 determine_common_wider_type): New functions.
1326 (get_computation_aff): Use them to simplify arithmetic between
1327 UBASE and CBASE if they are shortened from the same type.
1329 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1332 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1333 -2147483647 - 1 instead of 0x80000000.
1335 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1337 * flags.h (HONOR_NANS): Fix typo in comment.
1339 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1341 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1343 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1347 * tree.c (merge_attributes, attribute_list_contained): If both
1348 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1350 * c-typeck.c (comptypes_internal): Don't consider aggregates
1351 in different TUs as compatible if there one set of attributes is
1352 not a subset of the other type's attributes.
1353 (composite_type): Try harder not to create a new aggregate type.
1355 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1357 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1358 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1359 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1360 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1361 than replicating condition above.
1362 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1364 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1365 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1366 the linker by default.
1368 2006-09-22 Mike Stump <mrs@apple.com>
1370 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1373 2006-09-22 Richard Guenther <rguenther@suse.de>
1376 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1377 sort of stack variables stable.
1379 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1382 * explow.c (force_reg): Set REG_POINTER flag according to
1385 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1387 PR tree-optimization/28888
1388 * tree-if-conv.c (combine_blocks): Rewritten.
1389 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1390 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1392 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1394 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1397 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1399 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1401 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1403 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1405 2006-09-21 Roger Sayle <roger@eyesopen.com>
1408 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1409 dw_fde_current_label, to be the start of the function, i.e. the same
1410 value as dw_fde_begin.
1412 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1414 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1415 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1416 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1417 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1418 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1419 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1420 (abs<mode>2, neg<mode>2): Likewise.
1421 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1422 (*mips_abs_ps): New define_insn.
1424 2006-09-20 Josh Conner <jconner@apple.com>
1427 * calls.c (expand_call): Allow reuse of structure return stack
1430 2006-09-20 Paul Brook <paul@codesourcery.com>
1432 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1435 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1437 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1438 clean up terminology.
1440 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1443 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1444 with tablejumps in them.
1446 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1449 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1450 wrap it into TARGET_EXPR.
1452 2006-09-20 Eric Christopher <echristo@apple.com>
1454 * config/i386/i386.c (x86_fisttp): Remove.
1455 * config/i386/i386.h (x86_fisttp): Ditto.
1456 (TARGET_FISTTP): Ditto.
1458 2006-09-19 Eric Christopher <echristo@apple.com>
1460 * doc/tm.texi (OBJC_JBLEN): Describe.
1461 * config/i386/darwin.h (OBJC_JBLEN): Define.
1462 * config/rs6000/darwin.h: Ditto.
1464 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1466 PR rtl-optimization/21299
1467 * reload1.c (reload): Purge invalid ASMs in the final pass.
1469 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1472 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1473 pointers as legitimate constants.
1475 2006-09-19 Paul Brook <paul@codesourcery.com>
1478 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1480 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1482 PR tree-optimization/28887
1483 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1484 component parts from the reference.
1485 (gather_memory_references_ref): Record the reference without the
1486 nonaddressable component parts.
1488 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1491 * c-opts.c (c_common_handle_option): Ignore the -std options
1492 if the input language is assembly.
1494 2006-09-17 Ira Rosen <irar@il.ibm.com>
1497 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1499 (ptr_ptr_may_alias_p): Likewise.
1500 (record_record_differ_p): New function.
1501 (base_object_differ_p): Call record_record_differ_p.
1503 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1506 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1507 away for the expr argument.
1509 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1512 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1513 before using it for dumping after vectorizing loops.
1515 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1516 Jack Howarth <howarth@bromo.med.uc.edu>
1519 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1520 skip on error_mark_node.
1521 (rs6000_darwin64_record_arg_recurse): Likewise.
1523 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1525 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1526 * doc/rtl.texi: Remove related documentation.
1528 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1530 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1533 2006-09-15 Jim Wilson <wilson@specifix.com>
1535 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1536 Handle symbol offsets same as they are handled in ia64_expand_move
1539 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1541 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1542 Add forgotten parameter to the fprintf call.
1544 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1546 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1548 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1550 * doc/contrib.texi: Add my entry.
1552 2006-09-15 Nick Clifton <nickc@redhat.com>
1554 * doc/md.texi (Processor pipeline description): Fix typo in
1555 example of how to use the absence_set directive and reword the
1556 description to make it slightly easier to read.
1558 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1560 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1561 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1562 expanding the number of iterations.
1563 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1565 * cfgrtl.c (emit_insn_at_entry): New function.
1566 * rtl.h (emit_insn_at_entry): Declare it.
1567 * integrate.c (emit_initial_value_sets): Use it.
1569 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1571 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1573 (struct loop_work and related VEC declarations): Delete.
1574 (bfin_dump_loops): Print out new member bad.
1575 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1576 (bfin_scan_loop): Don't recurse.
1577 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1578 loops. No longer need to update outer loops if the current one is
1579 found bad. Move some validitiy checks to bfin_discover_loop.
1580 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1581 but changed not to check for nesting. Also changed to use the new bad
1583 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1584 time. Use bitmap based test to discover loop nesting.
1586 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1588 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1591 2006-09-14 Richard Guenther <rguenther@suse.de>
1592 Kazu Hirata <kazu@codesourcery.com>
1594 PR middle-end/28884.
1595 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1596 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1597 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1598 with TARGET_FUNCTION_VALUE.
1600 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1603 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1605 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1607 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1610 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1613 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1616 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1618 * basic_block.h (bb_has_eh_pred): Fix comment.
1620 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1622 * flow.c (calculate_global_regs_live): Invalidate eh registers
1623 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1624 (propagate_block): Handle eh registers as if they were set at basic
1626 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1628 * global.c (global_conflicts): Make eh registers to conflict with
1629 pseudos live at basic block begin.
1630 * basic_block.h (bb_has_eh_pred): New function.
1632 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1634 PR rtl-optimization/28982
1635 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1636 index of a PRE_MODIFY or POST_MODIFY address.
1637 * reload1.c (inc_for_reload): Use find_replacement on the original
1638 base and index registers.
1640 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1642 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1643 for -Os. Update __m128 alignment requirement.
1645 2006-09-13 Jan Hubicka <jh@suse.cz>
1647 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1649 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1651 PR rtl-optimization/28243
1652 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1653 the insn to which the note was originally attached.
1655 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1656 Roger Sayle <roger@eyesopen.com>
1658 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1659 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1660 on platforms that don't use dwarf for debug info.
1662 2006-09-12 Jason Merrill <jason@redhat.com>
1665 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1666 hard_frame_pointer_rtx after using it to update the frame pointer.
1668 2006-09-12 Roger Sayle <roger@eyesopen.com>
1670 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1671 (TARGET_ASM_CLOSE_PAREN): Likewise.
1672 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1673 (TARGET_ASM_CLOSE_PAREN): Likewise.
1675 2006-09-12 Roger Sayle <roger@eyesopen.com>
1678 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1679 frame information for frames larger than 512 Kbytes on Tru64 when
1680 using the native assembler.
1682 2006-09-12 Roger Sayle <roger@eyesopen.com>
1686 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1687 and symbols. Instead use the implementation from cse.c's hash_rtx.
1689 2006-09-12 Jan Hubicka <jh@suse.cz>
1691 PR rtl-optimization/28071
1692 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1693 (vect_transform_loop): Likewise.
1694 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1695 (new_loop_vec_info): Likewise.
1696 (destroy_loop_vec_info): Likewise.
1697 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1698 (create_stmt_ann): Likewise.
1699 (create_tree_ann): Rename to ...
1700 (create_tree_common_ann): ... this one; allocate only the common part
1702 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1703 (get_value_handle): Likewise.
1704 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1705 get_tree_common_ann.
1706 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1707 (vinfo_for_stmt): Use stmt annotations.
1708 * tree-flow.h (tree_ann_common_t): New type.
1709 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1710 (tree_ann, get_tree_ann, create_tree_ann): New.
1711 * tree-flow-inline.h (get_function_ann): Do more type checking.
1712 (stmt_ann): Likewise.
1713 (tree_ann): Rename to ...
1714 (tree_common_ann): ... this one; return ony common_ann
1715 (get_tree_ann): Rename to ...
1716 (tree_common_ann): This one; return only common_ann.
1717 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1720 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1722 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1723 with_cpu by default.
1725 * dwarf2out.c (dwarf_file_data): New.
1726 (enum dw_val_class): Add dw_val_class_file.
1727 (struct dw_val_struct): Add val_file.
1728 (file_table): Change to a hash table.
1729 (file_table_emitted): Delete.
1730 (file_table_last_lookup_index): Delete.
1731 (emitcount): Delete.
1732 (last_emitted_file): New.
1733 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1734 (init_file_table): Delete.
1735 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1736 (AT_addr): Add comment.
1740 (print_die): Handle dw_val_class_file.
1741 (print_dwarf_line_table): Update for new file table structure.
1742 (attr_checksum): Do checksum a filename.
1743 (same_dw_val_p, same_attr_p): Do compare a filename.
1744 (size_of_die): Handle dw_val_class_file.
1745 (value_format): Likewise.
1746 (output_die): Likewise. Also, call maybe_emit_file here.
1747 (struct file_info): Constify filenames. Make file_idx a pointer
1748 to a struct dwarf_file_data.
1749 (struct dir_info): Constify directory names. Remove 'used' field.
1750 (struct file_name_acquire_data): New.
1751 (file_name_acquire): New.
1752 (output_file_names): Modify to handle new file data structures.
1753 (add_src_coords_attributes): Use add_AT_file.
1754 (add_call_src_coords_attributes): Likewise.
1755 (dwarf2out_imported_module_or_decl): Likewise.
1756 (gen_subprogram_die): Modify for new file data structures.
1757 (gen_variable_die): Likewise.
1758 (file_table_eq): New.
1759 (file_table_hash): New.
1760 (file_table_last_lookup): New.
1761 (lookup_filename): Rewrite to handle new file data structures.
1762 (maybe_emit_file): Rewrite to handle new file data structures.
1763 (dwarf2out_source_line): Always call lookup_filename and
1765 (dwarf2out_init): Create file_table here.
1766 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1767 (file_table_relative_p): New.
1768 (dwarf2out_finish): Change detection of relative filenames
1769 to work with new file data structures. Move output_line_info call
1770 after debug_info output.
1772 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1777 * config/i386/i386.c (override_options): Always default to 16
1778 byte stack boundary.
1780 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1783 * var-tracking.c (dump_dataflow_set): Start dumping at
1785 (clobber_variable_part): Kill only the variable part in
1786 registers holding it, leaving other variables alone.
1788 2006-09-11 Josh Triplett <josh@freedesktop.org>
1790 * doc/extend.texi (Other Builtins): Actually use the macro
1791 argument in the documentation example for
1792 __builtin_types_compatible_p.
1794 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1796 PR rtl-optimization/28726
1797 * sched-deps.c (sched_analyze_reg): New function extracted from...
1798 (sched_analyze_1): ...here. Call it to analyze references to
1799 registers. Treat again writes to a stack register as writing to the
1801 (sched_analyze_2): ...and here. Call it to analyze references to
1802 registers. Treat again reads of a stack register as reading the
1805 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1806 David Edelsohn <edelsohn@gnu.org>
1809 * config/rs6000/spe.md (frob_df_di): Remove %H.
1810 (frob_di_df): Remove %H. Change evmergelo to mr.
1811 (frob_di_df_2): Remove %H. Change evldd to two loads.
1813 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1815 * doc/cpp.texi: Fix names of charset options.
1817 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1820 * config/i386/i386.c (override_options): Use 128-bit
1821 stack boundary always for 64bits.
1823 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1825 PR rtl-optimization/28636
1826 * combine.c (force_to_mode): Test for side-effects before
1827 substituting by zero.
1828 (simplify_shift_const): Likewise for zero or other constants.
1830 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1833 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1836 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1839 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1840 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1841 returned by mode_for_size, rather than the mode of src itself,
1842 to choose between 32-bit and 64-bit patterns.
1843 (mips_mem_fits_mode_p): New function.
1844 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1845 that the size of the source matches the size of the destination.
1846 (mov_<store>l, mov_<store>r): Likewise.
1848 2006-09-10 Eric Christopher <echristo@apple.com>
1850 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1853 2006-09-09 Eric Christopher <echristo@apple.com>
1856 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1859 2006-09-09 Roger Sayle <roger@eyesopen.com>
1860 Nicolas Setton <setton@adacore.com>
1862 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1864 2006-09-10 Andreas Schwab <schwab@suse.de>
1866 * config/m68k/m68k.md (bungt_rev): New pattern.
1868 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1869 Dale Johannesen <dalej@apple.com>
1872 * regclass.c (struct reg_pref): Update documentation.
1873 (regclass): Set prefclass to NO_REGS if memory is the best option.
1874 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1876 2006-09-08 Eric Christopher <echristo@apple.com>
1878 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1879 * config/t-slibgcc-darwin: Support x86_64 multilib.
1880 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1881 Return 1 for x86_64-darwin.
1882 * config/i386/t-darwin: Add m64 multilib.
1883 (LIB2_SIDITI_CONV_FUNCS): Use.
1884 (LIB2FUNCS_EXTRA): Ditto.
1885 * config/i386/darwin.h: Support x86_64.
1886 * config/i386/i386.c (override_options): Turn on flag_pic
1887 for x86_64-darwin. Disable flag_omit_pointer.
1888 (get_pc_thunk_name): Assert !TARGET_64BIT.
1889 (legitimate_address_p): Disable machopic addressing for
1891 (legitimize_pic_address): Ditto.
1892 (ix86_expand_move): Ditto.
1893 (ix86_expand_call): Ditto.
1894 (machopic_output_stub): Ditto.
1895 * config/darwin.c (machopic_select_section): Support literal16.
1896 (machopic_select_rtx_section): Ditto.
1897 * config/darwin-sections.def: Ditto.
1898 * config/darwin-64.c: New.
1900 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1903 * c-tree.h (struct c_arg_info): Add pending_sizes.
1904 * c-parser.c (c_parser_parms_declarator,
1905 c_parser_parms_list_declarator): Initialize pending_sizes.
1906 * c-decl.c (get_parm_info): Initialize pending_sizes.
1907 (get_parm_info): Set pending_sizes.
1908 (grokdeclarator): Call put_pending_sizes for parameters for
1909 function definition only.
1911 2006-09-07 Jason Merrill <jason@redhat.com>
1914 * varasm.c (output_constant): Only strip actual no-op conversions.
1917 * config/i386/i386.c (override_options): Use 128-bit
1918 stack boundary if -msse.
1920 2006-09-07 Eric Christopher <echristo@apple.com>
1922 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1924 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1927 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1929 * dwarf2out.c: Remove strange characters from comment above
1930 dwarf2out_frame_debug_expr.
1932 2006-09-07 Eric Christopher <echristo@apple.com>
1934 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1935 * config/darwin.h: ... to here.
1937 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1939 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1941 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1942 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1944 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1945 TARGET_PARTIAL_FLAG_REG_STALL.
1946 (*ashldi3_cconly_rex64): Likewise.
1947 (*ashlsi3_cmp): Likewise.
1948 (*ashlsi3_cconly): Likewise.
1949 (*ashlsi3_cmp_zext): Likewise.
1950 (*ashlhi3_cmp): Likewise.
1951 (*ashlhi3_cconly): Likewise.
1952 (*ashlqi3_cmp): Likewise.
1953 (*ashlqi3_cconly): Likewise.
1954 (*ashrdi3_cmp_rex64): Likewise.
1955 (*ashrdi3_cconly_rex64): Likewise.
1956 (*ashrsi3_cmp): Likewise.
1957 (*ashrsi3_cconly): Likewise.
1958 (*ashrsi3_cmp_zext): Likewise.
1959 (*ashrhi3_cmp): Likewise.
1960 (*ashrhi3_cconly): Likewise.
1961 (*ashrqi3_cmp): Likewise.
1962 (*ashrqi3_cconly): Likewise.
1963 (*lshrdi3_cmp_rex64): Likewise.
1964 (*lshrdi3_cconly_rex64): Likewise.
1965 (*lshrsi3_cmp): Likewise.
1966 (*lshrsi3_cconly): Likewise.
1967 (*lshrsi3_cmp_zext): Likewise.
1968 (*lshrhi3_cmp): Likewise.
1969 (*lshrhi3_cconly): Likewise.
1970 (*lshrqi2_cmp): Likewise.
1971 (*lshrqi2_cconly): Likewise.
1973 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1976 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1977 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1978 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1979 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1980 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1981 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1982 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1983 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1984 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1985 implement only CC setting effects of shift instructions.
1987 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1989 * doc/contrib.texi: Add myself.
1991 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1994 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1995 was set by the user.
1997 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2000 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2001 (divsi_inv_m1): Use them.
2002 (UNSPEC_DIV_INV_TABLE): New constant.
2004 2006-09-06 James E Wilson <wilson@specifix.com>
2007 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2008 then call count_or_remove_death_notes.
2010 2006-09-06 Jason Merrill <jason@redhat.com>
2013 * tree-inline.c (copy_result_decl_to_var): New fn.
2014 (declare_return_variable): Use it. Call declare_inline_vars here.
2015 (expand_call_inline): Not here.
2017 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2019 * doc/contrib.texi: Update my entry.
2021 2006-09-06 Nick Clifton <nickc@redhat.com>
2023 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2025 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2028 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2029 (canonicalize_induction_variables): Likewise.
2030 (tree_unroll_loops_completely): Likewise.
2031 (tree_ssa_prefetch_arrays): Likewise.
2032 (remove_empty_loops): Likewise.
2033 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2034 TODO_cleanup_cfg instead of directly calling
2035 cleanup_tree_cfg_loop.
2036 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2038 (tree_unroll_loops_completely): Likewise.
2039 (remove_empty_loops): Likewise.
2040 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2041 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2042 of tree_ssa_unswitch_loops.
2043 (tree_ssa_loop_ivcanon): Use the return value of
2044 canonicalize_induction_variables.
2045 (tree_ssa_empty_loop): Use the return value of
2047 (tree_complete_unroll): Use the return value of
2048 tree_unroll_loops_completely.
2049 (tree_ssa_loop_prefetch): Use the return value of
2050 tree_ssa_prefetch_arrays.
2051 * passes.c (execute_todo): Before Cleanup CFG, set
2052 updating_used_alone and after cleanup CFG, call
2053 recalculate_used_alone.
2055 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2058 * tree-vect-transform.c (vectorizable_condition): Move the check
2059 for the type after the check for simple condition.
2061 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2062 Kaz Kojima <kkojima@gcc.gnu.org>
2065 * mode-switching.c (optimize_mode_switching): Make the destination
2066 block of an abnormal edge have no anticipatable mode. Don't
2067 insert mode switching code at the end of the source block of
2070 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2072 PR rtl-optimization/26847
2073 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2074 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2075 (simplify_plus_minus): Count n_constants while filling ops. Replace
2076 qsort with insertion sort. Before going through the array to simplify
2077 pairs, sort it. Delay early exit until after the first sort, exiting
2078 only if no swaps occurred. Simplify pairs in reversed order, without
2079 special-casing the first iteration. Pack ops after simplifying pairs.
2081 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2083 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2084 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2085 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2086 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2088 2006-09-05 Richard Guenther <rguenther@suse.de>
2090 PR tree-optimization/28900
2091 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2092 compound conditional before creating COND_EXPR condition.
2094 2006-09-05 Richard Guenther <rguenther@suse.de>
2096 PR tree-optimization/28905
2097 * tree-vrp.c (fix_equivalence_set): Manually implement
2098 !value_ranges_intersect_p to also handle symbolic ranges.
2100 2006-09-05 Richard Guenther <rguenther@suse.de>
2103 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2106 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2108 PR rtl-optimization/27616
2109 * cse.c (table_size): New static variable.
2110 (new_basic_block): Initialize it to 0.
2111 (remove_from_table): Decrement it.
2112 (insert): Increment it.
2113 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2114 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2115 fold_rtx_mem_1 if under the cap.
2116 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2117 the lookup of the equivalent expression and test for equality of the
2118 first operand of the equivalent expression before in turn looking up
2119 an equivalent constant for the second operand.
2121 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2124 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2125 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2126 pointer, instead of assuming it is possible to derive the
2127 correct args size from a call insn.
2129 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2132 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2133 (fold_builtin_mempcpy): Rename to...
2134 (fold_builtin_memory_op): ... this. Optimize one element copy
2136 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2138 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2139 (expand_builtin_memcpy, expand_builtin_mempcpy,
2140 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2141 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2142 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2143 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2145 2006-09-01 DJ Delorie <dj@redhat.com>
2147 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2148 (stzx_16): Likewise.
2149 ("stzx_24_<mode>"): Likewise.
2150 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2151 ("cmp<mode>_op"): New.
2152 (cmp<mode>): Change to expander; just save operands.
2154 (b<code>): Change to expander, emit compare here.
2155 (s<code>_op): Change to use split and expander.
2156 (s<code>_24_op): Likewise.
2157 (s<code>_<mode>): New.
2158 (s<code>_<mode>_24): New.
2159 (movqicc_<code>_<mode): New.
2160 (movhicc_<code>_<mode>): New.
2163 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2164 (m32c_pend_compare): New.
2165 (m32c_unpend_compare): New.
2166 (m32c_expand_scc): New.
2167 (m32c_expand_movcc): Emit the compare also.
2168 * config/m32c/predicates.md (mra_nopp_operand): New.
2170 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2171 Richard Guenther <rguenther@suse.de>
2172 Adam Nemet <anemet@caviumnetworks.com>
2175 * builtins.c (get_pointer_alignment): Handle more forms
2176 of base addresses that can be used to derive more precise
2177 information about alignment.
2179 2006-09-01 Jason Merrill <jason@redhat.com>
2182 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2185 * gimplify.c (voidify_wrapper_expr): Handle null type.
2187 2006-09-01 Josh Conner <jconner@apple.com>
2190 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2191 (execute_return_slot_opt): Use it.
2193 2006-08-31 Josh Conner <jconner@apple.com>
2196 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2197 returning aggregates.
2199 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2201 PR tree-optimization/28839
2202 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2203 blocks in that phi arguments appear.
2205 2006-08-31 Roger Sayle <roger@eyesopen.com>
2208 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2209 NULL, otherwise use an advance_loc4 to adjust relative to the
2211 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2212 (dwarf2out_switch_text_section): Reset the current label to avoid
2213 using advance_loc4 over section boundaries.
2215 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2218 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2219 r12 + SYMBOLIC_CONST.
2221 2006-08-30 Richard Guenther <rguenther@suse.de>
2223 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2225 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2227 PR rtl-optimization/27735
2228 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2229 Add new argument to keep track of whether an irreducible region
2230 was affected. All callers changed.
2231 (fix_irreducible_loops): Removed.
2232 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2233 flags were invalidated.
2235 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2237 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2238 instead of SF operands.
2239 (*fop_df_comm_sse): Likewise.
2240 (*fop_df_comm_i387): Likewise.
2241 (*fop_df_1_mixed): Likewise.
2242 (*fop_df_1_sse): Likewise.
2244 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2245 J"orn Rennecke <joern.rennecke@st.com>
2247 PR tree-optimization/17506
2248 * tree-ssa.c (warn_uninit): If warning about a location outside of
2249 the current function, note where the variable was declared.
2251 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2253 PR tree-optimization/28411
2254 * double-int.c (double_int_div): Use double_int_divmod.
2255 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2256 double_int_mod, double_int_smod, double_int_umod): New functions.
2257 * double-int.h (double_int_divmod, double_int_sdivmod,
2258 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2260 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2262 (get_computation_aff, get_computation_cost_at): Handle double_int
2263 return type of constant_multiple_of.
2265 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2268 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2269 an implicit conversion.
2271 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2273 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2275 2006-08-27 Roger Sayle <roger@eyesopen.com>
2277 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2280 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2282 * config/i386/crtfastmath.c: Fix a comment typo.
2284 2006-08-26 Roger Sayle <roger@eyesopen.com>
2286 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2287 temporary visit flags on CASE_LABEL_EXPRs.
2288 * c-common.c (match_case_to_enum): Add function comment. Avoid
2289 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2290 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2291 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2292 a constant, only warn if that constant value isn't handled.
2294 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2297 * input.h (restore_input_file_stack): Declare.
2298 (INPUT_FILE_STACK_BITS): Define.
2299 * toplev.c (fs_p, input_file_stack_history,
2300 input_file_stack_restored, restore_input_file_stack): New.
2301 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2302 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2303 (pop_srcloc): Don't free old state of stack.
2305 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2308 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2309 (PowerPC Type Attributes): New.
2311 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2313 * config/xtensa/xtensa.c (function_arg_boundary): New.
2314 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2316 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2317 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2319 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2322 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2325 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2327 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2328 (verify_local_live_at_start): Likewise.
2330 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2333 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2334 omp_add_variable): Treat sizes as variable whenever not
2337 2006-08-26 Richard Guenther <rguenther@suse.de>
2340 * fold-const.c (fold_binary): Fold temporary to correct
2341 type before constructing new comparison.
2343 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2346 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2347 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2349 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2352 * c-decl.c (start_function): Don't try to process prototype
2353 information from old declaration that isn't a function.
2355 2006-08-25 Jan Hubicka <jh@suse.cz>
2358 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2360 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2363 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2366 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2368 PR tree-optimization/16876
2369 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2370 exit if PARM doesn't match VALUE.
2372 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2374 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2375 literal_prefix directive.
2376 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2377 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2378 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2380 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2383 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2384 predicate to general_operand. Add 0->y and I->r alternatives.
2386 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2388 * doc/tm.texi: Fix a typo.
2389 * predict.c: Fix comment typos.
2391 2006-08-25 Nick Clifton <nickc@redhat.com>
2393 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2394 assertions of "cpu" and "machine".
2396 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2399 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2400 the access through a base which has an alias set of 0 cannot
2403 2006-08-24 Bill Wendling <wendling@apple.com>
2405 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2407 2006-08-24 Jan Hubicka <jh@suse.cz>
2409 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2411 2006-08-24 Jan Hubicka <jh@suse.cz>
2414 * cgraph.c: Fix comments.
2415 (cgraph_varpool_mark_needed_node): Mark only variables not already
2417 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2418 (cgraph_varpool_assembled_nodes_queue): New static variable.
2419 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2420 (cgraph_varpool_output_debug_info): New function.
2421 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2422 * Makefile.in: Add gt-cgraphunit.h
2424 2006-08-24 Jan Hubicka <jh@suse.cz>
2426 * predict.c (probability_reliable_p): New predicate.
2427 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2428 (predict_loops): Do not predict loop exit with less than 2%
2430 * basic-block.h (edge_probability_reliable_p,
2431 br_prob_note_reliable_p): Declare.
2432 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2433 prediction when static predictor is not reliable.
2434 * rs6000.c (output_cbranch): Likewise.
2436 2006-08-23 Stuart Hastings <stuart@apple.com>
2439 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2440 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2442 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2445 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2446 complex values, nor for generic vector values.
2448 2006-08-22 Richard Guenther <rguenther@suse.de>
2451 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2452 parameter. Convert arguments to arithmetic expression to the
2454 (analyze_scalar_evolution_1): Adjust caller.
2456 2006-08-22 Jan Hubicka <jh@suse.cz>
2458 Patch by Paolo Bonzini
2459 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2462 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2464 PR tree-optimization/28003
2465 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2466 before grouping aliases.
2468 2006-08-22 Roger Sayle <roger@eyesopen.com>
2470 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2471 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2473 2006-08-21 Jason Merrill <jason@redhat.com>
2476 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2477 wrapper. Loop to handle nested wrappers.
2478 (gimplify_bind_expr): Remove temp parameter.
2479 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2480 and STATEMENT_LIST on the rhs.
2481 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2482 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2483 (gimplify_target_expr): Remove special BIND_EXPR handling.
2485 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2487 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2490 2006-08-21 Olivier Hainque <hainque@adacore.com>
2492 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2493 Arrange for the temporary captures of components overlapping the lhs
2494 to happen before the lhs is possibly cleared.
2496 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2498 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2499 necessary places to pass the correct "number of registers" values
2502 2006-08-20 Jan Hubicka <jh@suse.cz>
2504 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2505 (create_name_tags): Instead of quadratic checking use hashtable.
2506 * bitmap.h: Include hashtab.h.
2507 (bitmap_hash): Declare.
2508 * bitmap.c (bitmap_hash): New function.
2510 2006-08-20 Jan Hubicka <jh@suse.cz>
2512 PR rtl-optimization/28071
2513 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2515 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2516 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2517 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2518 cgraph_decide_inlining_incrementally): Update use of
2519 cgraph_check_inline_limits.
2520 * cgraph.c (edge_hash, edge_eq): New function.
2521 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2522 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2523 cgraph_remove_node): Maintain call site hash.
2524 * cgraph.h (struct cgraph_node): Add call_site_hash.
2525 (cgraph_set_call_stmt): New function.
2527 2006-08-20 Jan Hubicka <jh@suse.cz>
2529 PR rtl-optimization/28071
2530 * reload1.c (reg_has_output_reload): Turn into regset.
2531 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2532 choose_reload_regs, emit_reload_insns): Update to new
2533 reg_has_output_reload.
2535 2006-08-20 Jan Hubicka <jh@suse.cz>
2538 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2539 function body sizes.
2540 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2542 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2545 * tree.c (handle_dll_attribute): Return early if not a
2546 var or function decl.
2548 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2551 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2552 alignment of SPE vector types.
2554 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2556 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2558 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2561 * cgraph.h (struct cgraph_node): Remove externally_visible
2563 * cgraphunit.c (process_function_and_variable_attributes): Set
2564 local.externally_visible rather than externally_visible.
2567 * c-common.c (handle_externally_visible_attribute): First look
2568 at TREE_CODE and only if it is function or var decl, check for
2569 non-public objects. Don't warn for DECL_EXTERNAL.
2570 * cgraphunit.c (process_function_and_variable_attributes): Warn
2571 if externally_visible attribute is used on non-public object.
2573 2006-08-17 Jan Hubicka <jh@suse.cz>
2575 PR tree-optimization/27865
2576 * reload1.c (forget_marked_reloads): New function.
2577 (forget_old_reloads_1): When data are passed, just mark the registers
2579 (reload_as_needed): Use the new mechanizm.
2581 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2584 * reload.h (reg_equiv_alt_mem_list): New declaration.
2585 * reload1.c (reg_equiv_alt_mem_list): New definition.
2586 (reload): Initialize it and release it.
2587 (delete_output_reload): Use it.
2588 * reload.c (push_reg_equiv_alt_mem): New function.
2589 (find_reloads_toplev): Call it.
2590 (find_reloads_address, find_reloads_address_1): Likewise.
2591 (find_reloads_subreg_address): Likewise.
2593 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2595 PR rtl-optimization/28489
2596 * sched-ebb.c (begin_schedule_ready): Create basic block
2598 (advance_target_bb): Skip empty blocks.
2599 * haifa-sched.c (bb_note): Make global.
2600 * sched-int.h (bb_note): Add prototype.
2602 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2604 PR tree-optimization/27865
2605 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2607 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2608 fold_used_pointer, pointer_used_p): New functions.
2609 (analyze_scalar_evolution_1): Use fold_used_pointer.
2610 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2611 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2614 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2617 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2618 or the INTEGER_CST. Fail on a CALL_EXPR.
2619 (fold_offsetof): Pass new argument to fold_offsetof_1.
2620 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2621 operand into an INDIRECT_REF.
2622 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2624 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2626 PR gcov/profile/26570
2627 * value-prof.c (static_values): Removed.
2628 (tree_find_values_to_profile): Do not set static_values.
2629 (find_values_to_profile): Do not free static_values.
2630 * profile.c (instrument_values): Do not free the values.
2631 (branch_prob): Free the values.
2633 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2635 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2637 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2640 * c-typeck.c (build_component_ref): Combine qualifiers of
2641 structure or union and field.
2643 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2645 PR rtl-optimization/28071
2646 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2647 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2648 * tree-into-ssa.c (struct dom_dfsnum): New.
2649 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2651 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2652 compute_global_livein.
2653 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2654 in phi nodes in the correct blocks.
2656 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2658 PR tree-optimization/28364
2659 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2661 (fold_affine_expr): New function.
2662 (may_eliminate_iv): Use fold_affine_expr.
2664 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2667 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2670 2006-08-16 Mike Stump <mrs@apple.com>
2672 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2673 * doc/cppopts.texi (-MD): Likewise.
2675 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2678 * c-common.c (handle_weak_attribute): Ignore and warn if
2679 not a FUNCTION_ or VAR_DECL.
2681 2006-07-15 Mike Stump <mrs@apple.com>
2684 * c-parser.c (c_parser_typeof_specifier): Don't use
2685 c_finish_expr_stmt, open code desired semantics instead.
2687 2006-08-15 Nick Clifton <nickc@redhat.com>
2689 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2690 fragment to tmake_file only if threads are enabled.
2691 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2692 * config/i386/t-gthr-win32: New file. ... here.
2694 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2697 * c-parser.c (c_parser_compound_statement_nostart): Reset
2698 parser->error after each statement.
2700 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2703 * omp-low.c (lower_omp_parallel): Convert t to
2704 receiver_decl's type.
2705 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2706 source before comparison.
2709 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2710 to itype in assignment to oldival2.
2712 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2716 * c-typeck.c (build_compound_expr): If the second expression
2717 is an error mark, then just return an error mark instead of
2718 creating a COMPOUND_EXPR.
2720 2006-07-14 Mike Stump <mrs@apple.com>
2722 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2724 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2726 * c-decl.c, var-tracking.c: Fix comment typos.
2728 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2730 PR rtl-optimization/28634
2731 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2732 for floating-point modes unless flag_unsafe_math_optimizations.
2734 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2735 Andrew Pinski <pinskia@physics.uc.edu>
2738 * tree.c (build_array_type): Unify array types with
2739 unspecified index_type.
2740 * c-decl.c (grokdeclarator): Make sure we do not modify a
2741 unified incomplete array type.
2742 * c-typeck.c (store_init_value): Create distinct type before
2743 filling in the index type in an initializer from a compound
2746 * c-decl.c (grokdeclarator): Remove code where we copy the
2749 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2751 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2752 into account for TODO_dump_cgraph.
2753 (TODO_update_ssa_no_phi): Likewise.
2754 (TODO_update_ssa_full_phi): Likewise.
2755 (TODO_update_ssa_only_virtuals): Likewise.
2756 (TODO_remove_unused_locals): Likewise.
2757 (TODO_set_props): Likewise.
2758 (TODO_update_stmt_usage): Likewise.
2760 2006-08-13 Dirk Mueller <dmueller@suse.de>
2762 * c-common.c (strict_aliasing_warning): Fix formatting.
2764 2006-08-13 Matthias Klose <doko@debian.org>
2766 * doc/invoke.texi: Fix spelling errors.
2768 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2770 PR rtl-optimization/23454
2771 * reorg.c (relax_delay_slots): Update comment.
2773 2006-08-11 Richard Guenther <rguenther@suse.de>
2776 * simplify-rtx.c (simplify_const_relational_operation):
2777 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2780 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2782 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2783 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2785 2006-08-10 Paul Brook <paul@codesourcery.com>
2787 * final.c (final_scan_insn): Clear current_insn_predicate before
2788 outputting inline asm.
2790 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2792 PR tree-optimization/26197
2793 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2794 get_ref_base_and_extent and overlap_subvar to add only relevant
2795 subvars as may-aliases.
2796 (add_may_alias_for_new_tag): New function, factored out of
2798 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2799 with additional argument.
2800 * tree-flow.h (new_type_alias): Takes additional argument.
2802 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2804 * gcov.c (no_data_file): New flag.
2805 (read_count_file): Set it if data file not present. Assume counts
2807 (output_lines): Don't name the data file, if there wasn't one.
2809 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2811 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2812 (rs6000_generate_compare): Tweak comments.
2813 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2815 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2817 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2818 (var_debug_decl): New function.
2819 (var_reg_set): Follow debug decl link. Add location even if
2820 reg is already known to hold some other variable.
2821 (var_mem_set): Follow debug decl link.
2822 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2823 decl link. Delete other known locations of the variable part
2825 (var_reg_delete, var_mem_delete): Delete other known locations
2826 of the variable part if requested.
2827 (same_variable_part_p): New function.
2828 (add_stores): Select MO_COPY when appropriate.
2829 (vt_initialize): Handle it.
2830 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2831 known locations for MO_SET and MO_CLOBBER.
2832 (find_variable_location_part): New function.
2833 (set_variable_part, delete_variable_part): Use it.
2834 (clobber_variable_part): New function.
2835 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2838 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2840 PR tree-optimization/26969
2841 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2842 with an empty list of PHIs.
2844 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2848 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2851 2006-08-06 Andreas Schwab <schwab@suse.de>
2853 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2854 string. Whitespace and comment fixup.
2856 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2859 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2863 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2866 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2868 2006-08-04 Jan Hubicka <jh@suse.cz>
2872 * reload.c (push_reload): Patch out the mismatching instruction;
2874 (find_reload): Bail out if the instruction was patched out.
2876 2006-08-04 Jan Hubicka <jh@suse.cz>
2878 PR tree-optimization/24888
2879 * tree-inline.c (expand_call_inline): Do not re-record variables.
2880 (declare_inline_vars): Add variable to unexpanded_var_list.
2882 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2883 Roger Sayle <roger@eyesopen.com>
2885 PR rtl-optimization/26244
2886 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2887 inner_const are negative or greater than or equal to the bitsize of
2888 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2889 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2890 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2891 CONST0_RTX (mode) when the new shift count is greater than or equal to
2892 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2895 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2897 * tree-cfg.c: Fix a comment typo.
2899 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2902 * varasm.c (output_constant): Give the front end another chance to
2903 expand constants, after stripping NOPs.
2905 2006-08-03 Jan Hubicka <jh@suse.cz>
2907 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2910 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2912 PR tree-optimization/27770
2913 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2914 declaration removed (moved to tree-flow.h).
2915 (vect_can_force_dr_alignment_p): Likewise.
2916 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2917 (moved from tree-vectorizer.h).
2918 (vect_can_force_dr_alignment_p): Likewise.
2919 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2920 from outside the vectorizer - in particular from cgraph stage.
2921 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2922 the alignment of global arrays when -fsection-anchors is enabled.
2923 * cgraphunit.c (cgraph_increase_alignment): New function.
2924 (cgraph_optimize): Call cgraph_increase_alignment.
2926 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2929 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2930 not reload a SPE symbol_ref into a lo_sum address.
2932 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2935 * dwarf2out.c (prune_unused_types_prune): Move call to
2936 prune_unused_types_update_strings to cover the parent DIE also.
2938 2006-08-02 Jan Hubicka <jh@suse.cz>
2940 PR gcov/profile/28480
2941 * tree-cfg.c (change_bb_for_stmt): New function.
2942 (tree_merge_blocks, tree_split_blocks): Use it.
2944 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2950 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2951 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2952 (cgraph_optimize): Likewise.
2954 2006-08-01 Stuart Hastings <stuart@apple.com>
2956 * rtl.h (UINTVAL) New.
2957 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2958 * testsuite/gcc.dg/20060801-1.c: New.
2960 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2963 * c-typeck.c (build_external_type): Mark used enum types.
2964 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2966 (gen_subprogram_die): Whitespace fix.
2968 2006-08-01 Jan Hubicka <jh@suse.cz>
2970 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2971 bitmap when not needed.
2972 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2975 2006-08-01 Dirk Mueller <dmueller@suse.de>
2977 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2979 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2981 * Makefile.in: Revert part of previous patch:
2982 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2985 2006-07-30 Eric Christopher <echristo@apple.com>
2988 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2989 (PowerPC Variable Attributes): New section.
2991 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2993 PR target/28126 (partial fix)
2994 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2996 2006-07-28 Jan Hubicka <jh@suse.cz>
2998 PR rtl-optimization/28071
2999 * cfgrtl.c (rtl_delete_block): Free regsets.
3000 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3002 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3004 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3005 and variables used in dependencies.
3007 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3009 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3010 %fs for -mcmodel=kernel.
3011 (stack_tls_protect_test_di): Likewise.
3013 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3015 * Makefile.in: Use mkinstalldirs.
3017 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3020 * opts-common.c (prune_options): Skip joined switches.
3022 2006-07-27 Jan Hubicka <jh@suse.cz>
3024 PR rtl-optimization/28071
3025 * cselib.c (cselib_process_insn): Don't remove useless values too
3026 often for very large hashtables.
3028 2006-07-27 Jan Hubicka <jh@suse.cz>
3030 PR rtl-optimization/28071
3031 * global.c (greg_obstack): New obstack.
3032 (allocate_bb_info): Use it.
3033 (free_bb_info): Likewise.
3034 (modify_reg_pav): Likewise.
3036 2006-07-27 Roger Sayle <roger@eyesopen.com>
3038 * builtins.c (fold_fixed_mathfn): When long and long long are the
3039 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3040 functions to their lceil*, lfloor*, lround* and lrint* forms.
3042 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3045 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3047 (rev_branch_insn): Likewise.
3049 2006-07-27 Jan Hubicka <jh@suse.cz>
3051 PR rtl-optimization/28071
3052 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3053 (reg_set_in_bb, max_reg_computed): New static variables.
3054 (regmove_optimize): Free the new array.
3055 (fixup_match_1): Update call of reg_is_remote_constant_p.
3057 2006-07-26 Jan Hubicka <jh@suse.cz>
3059 PR tree-optimization/27882
3060 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3062 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3064 (cgraph_analyze_compilation_unit): Likewise.
3065 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3066 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3067 (cgraph_early_inlinine): Make order garbage collected.
3068 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3070 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3072 * dbxout.c (output_types_sort): Add a comment.
3073 (output_used_types): Free the VEC.
3075 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3077 * function.c (reorder_fix_fragments): Delete.
3078 (reorder_blocks): Don't call it.
3079 (reorder_blocks_1): Put all subblocks under the origin block.
3081 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3083 PR rtl-optimization/27907
3084 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3087 2006-07-25 Roger Sayle <roger@eyesopen.com>
3090 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3091 bar(x) check that bar's result type can represent all the values of T.
3093 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3095 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3097 2006-07-25 Nick Clifton <nickc@redhat.com>
3099 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3100 size_lookup[] array.
3101 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3102 (ggc_pch_count_object): Likewise.
3103 (ggc_pch_alloc_object): Likewise.
3104 (ggc_pch_write_object): Likewise.
3105 (init_ggc): Do not attempt to initialize entries in the
3106 size_lookup[] array for objects whose size is greater than than
3107 the length of the array.
3109 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3111 * dbxout.c (output_used_types_helper): Push queued types
3113 (output_types_sort): New.
3114 (output_used_types): Collect used types on a VEC and sort them
3117 2006-07-24 Richard Guenther <rguenther@suse.de>
3120 * cgraph.c (cgraph_remove_node): Do not check if dumps
3122 * cgraphunit.c (cgraph_optimize): Likewise.
3124 2006-07-24 Jan Hubicka <jh@suse.cz>
3126 PR rtl-optimization/28071
3127 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3128 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3129 splitting before first stmt.
3131 2006-07-24 Jan Hubicka <jh@suse.cz>
3133 PR rtl-optimization/28071
3134 * ipa-inline.c (update_caller_keys): Remove edges that
3135 are no longer inline candidates.
3137 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3140 * dbxout.c (output_used_types_helper, output_used_types): New.
3141 (dbxout_symbol): Call output_used_types.
3143 2006-07-23 Jan Hubicka <jh@suse.cz>
3147 * cgraph.c (cgraph_varpool_nodes): Export.
3148 (decide_is_variable_needed): Ignored "used" attribute in
3149 unit-at-a-time mode.
3150 * cgraph.h (cgraph_varpool_nodes): Declare.
3151 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3152 unit-at-a-time mode.
3154 2006-07-23 Roger Sayle <roger@eyesopen.com>
3157 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3158 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3159 the __gthrw form of thr_keycreate.
3160 (__gthread_key_delete): Silence the unused argument warning.
3162 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3165 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3166 Cache the last found '\0' marker to avoid quadratic behavior.
3168 2006-07-23 Jan Hubicka <jh@suse.cz>
3170 * i386.md (subsi_3_zext): Fix output template.
3172 2006-07-21 Mike Stump <mrs@apple.com>
3174 * doc/invoke.texi (C++ Dialect Options): Note that
3175 -fvisibility-inlines-hidden doesn't affect explicitly
3176 instantiationed inline methods.
3178 2006-07-20 Roger Sayle <roger@eyesopen.com>
3180 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3181 if the target assembler is GNU binutils' gas.
3182 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3183 whether to pass GNU gas or native as command line options.
3185 2006-07-20 Jason Merrill <jason@redhat.com>
3187 * tree.c (remove_attribute): New fn.
3188 * tree.h: Declare it.
3190 2006-07-20 Paul Brook <paul@codesourcery.com>
3193 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3194 they are invalidated by this instruction.
3196 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3199 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3201 2006-07-20 Eric Christopher <echristo@apple.com>
3204 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3206 2006-07-19 Eric Christopher <echristo@apple.com>
3208 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3209 Rewrite dependencies for libgcc_s.1.dylib.
3211 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3213 * except.c (duplicate_eh_regions_1): Clear next_peer.
3215 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3217 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3218 -mlongcall does not guarantee all calls will be long.
3219 * doc/extend.texi (long_call/short_call): Document that longcall
3220 does not guarantee a long call will be used.
3221 (longcall/shortcall): Likewise.
3223 2006-07-18 Roger Sayle <roger@eyesopen.com>
3226 * expmed.c (expand_shift): Additionally check that the shift_cost
3227 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3228 before implementing a LSHIFT_EXPR as a sequence of additions.
3229 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3230 middle-end that DImode shifts need to be synthesized by expand.
3232 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3235 * tree-ssa-operands.c (access_can_touch_variable): Update
3237 Return true if ALIAS is .GLOBAL_VAR.
3239 2006-07-18 David Daney <ddaney@avtrex.com>
3241 * gcc.c (display_help): Fix typo in help text.
3243 2006-07-18 Olivier Hainque <hainque@adacore.com>
3245 * tree.h (categorize_ctor_elements): Adjust prototype and add
3246 descriptive comment, both in accordance with the interface change
3248 * varasm.c (constructor_static_from_elts_p): New function.
3249 Whether a constructor node is a valid static constant initializer
3250 if all its elements are.
3251 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3252 * output.h: Declare it.
3253 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3254 is a valid constant initializer instead of computing the number of
3255 non-constant elements. Use constructor_static_from_elts_p for this
3256 purpose. Replace the head comment with an indication that this is a
3257 helper for categorize_ctor_elements.
3258 (categorize_ctor_elements): Same interface change as for the _1
3259 helper. Former head comment from this helper moved here, adjusted to
3260 account for the interface changes.
3261 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3262 (all_zeros_p): Likewise.
3263 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3264 static versions of the constructor from the categorize_ctor_elements
3265 return value instead of the formerly computed number of non-constant
3268 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3270 * configure: Regenerate.
3271 * Makefile.in (build_libsubdir): New configure substitution
3272 (build_libobjdir): New variable.
3273 (BUILD_LIBIBERTY): Use it.
3275 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3278 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3280 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3283 * c-common.c (handle_weakref_attribute): Ignore attribute in
3284 the same conditions the alias attribute is ignored.
3286 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3288 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3289 (dbxout_begin_prologue): Increment scope_labelno.
3291 2006-07-17 Richard Henderson <rth@redhat.com>
3294 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3297 2006-07-17 Roger Sayle <roger@eyesopen.com>
3298 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3300 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3301 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3302 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3303 functions such as sbrk, write, etc.. Add function prototypes.
3304 Convert function declarations from K&R to ISO C. Cast pointers
3305 to "long" and "unsigned long" instead of "int" and "unsigned int".
3306 Convert tokens following #endif into comments.
3308 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3310 * invoke.texi: Remove mention of f77; Reformat table for
3311 inline parameter options correctly; mention that -malign-double
3312 is default on x86-64 targets.
3314 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3316 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3317 (convert_affine_scev, chrec_convert_aggressive): Use
3318 avoid_arithmetics_in_type_p. Do not check for the subtypes
3321 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3324 * optabs.c (expand_doubleword_shift): Wrap the call to
3325 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3327 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3330 * optabs.c (expand_binop): Pass next_methods rather than methods
3331 to expand_doubleword_shift.
3333 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3336 * tree.h (dump_addr): Declare.
3337 * print-tree.c (dump_addr): New function.
3338 (print_node_brief, print_node): Use it.
3339 * print-rtl.c (print_rtx): Likewise.
3340 * common.opt (-fdump-noaddr): New option.
3341 * doc/invoke.texi (-fdump-noaddr): Document.
3342 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3343 (ve_info_hash): Likewise.
3345 2006-07-13 Andrew Haley <aph@redhat.com>
3347 PR tree-optimization/19505
3348 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3349 edge leaving this block, make sure that the destination of this
3350 block has only one predecessor.
3352 2006-07-17 Richard Guenther <rguenther@suse.de>
3354 PR tree-optimization/28238
3355 * tree-inline.c (copy_bb): Check if we produced valid
3356 gimple copying and substituting a stmt. If not, gimplify
3359 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3361 * optabs.c (maybe_encapsulate_block): New function extracted from...
3362 (emit_libcall_block): ...here. Invoke it on the block of insns to
3363 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3364 (emit_no_conflict_block): Likewise.
3366 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3368 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3370 2006-07-15 Roger Sayle <roger@eyesopen.com>
3372 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3373 a new NOP_EXPR case of the switch statement.
3375 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3378 * stor-layout.c (place_field): Take the bit field with
3379 an excessive size into account in the ms-bitfiled case.
3382 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3383 the previous bit field.
3385 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3388 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3390 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3392 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3393 signal frames correctly even when the signal was installed with
3396 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3398 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3399 (dbxout_function_end): Use local label LFBB. Remove hook
3401 (dbxout_source_line): Use local label LFBB.
3402 (dbxout_block): Likewise.
3403 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3404 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3405 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3406 and DBX_OUTPUT_NFUN.
3408 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3410 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3412 2006-07-13 Jan Hubicka <jh@suse.cz>
3414 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3416 * output.h (align_variable): Declare.
3417 * varasm.c (align_variable): Export.
3418 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3419 when basic block changed.
3421 2006-07-13 Nick Clifton <nickc@redhat.com>
3423 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3424 walking the LOG_LINKS chain.
3426 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3428 * doc/invoke.texi (C++ Dialect Options): Explain difference
3429 between -fvisibility-inlines-hidden and setting hidden
3430 visibility explicitly.
3432 2006-07-12 Eric Christopher <echristo@apple.com>
3434 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3435 (stmp-lipo): Depend on libgcc.a.
3437 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3439 * tree.c: Fix a comment typo.
3441 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3443 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3445 (umulhisi3_r): Likewise.
3447 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3450 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3451 x < 19, vs wchar_t support.
3453 2006-07-12 Nick Clifton <nickc@redhat.com>
3455 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3456 instead of -isa=sh4.
3458 2006-07-12 Mike Stump <mrs@apple.com>
3460 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3462 2006-07-10 Eric Christopher <echristo@apple.com>
3464 * config/t-slibgcc-darwin: Rewrite.
3466 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3469 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3472 2006-07-08 Matthias Klose <doko@debian.org>
3474 * doc/sourcebuild.texi: Fix typo.
3476 2006-07-07 Mike Stump <mrs@apple.com>
3478 * toplev.c (process_options): Don't give -ffunction-sections may
3479 affect debugging warning for Mach-O.
3481 2006-07-07 James E Wilson <wilson@specifix.com>
3483 * config/mips/mips.md (cpu): Add sb1a.
3484 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3485 addition to sb1. Adjust comments to clarify SB-1A differences from
3487 (ir_sb1a_load): New. Modify bypasses to use it.
3488 (ir_sb1a_simple_alu): Likewise.
3489 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3490 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3491 (mips_issue_rate): Add PROCESSOR_SB1A.
3492 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3493 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3494 (TARGET_SB1): Add PROCESSOR_SB1A check.
3495 (TUNE_SB1): Likewise.
3497 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3498 * config/mips/mips.c (mips_store_data_bypass_p): New.
3499 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3500 store_data_bypass_p.
3502 2006-07-08 Paul Brook <paul@codesourcery.com>
3505 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3507 2006-07-07 Richard Guenther <rguenther@suse.de>
3510 * tree.h (build_one_cst): Declare.
3511 * tree.c (build_one_cst): New function.
3512 * tree-ssa-math-opts.c (get_constant_one): Remove.
3513 (insert_reciprocals): Use build_one_cst.
3514 * fold-const.c (fold_plusminus_mult): Likewise.
3516 2006-07-07 Roger Sayle <roger@eyesopen.com>
3518 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3519 * cfgloopanal.c (dump_graph): Likewise.
3520 * dojump.c (discard_pending_stack_adjust): Likewise.
3521 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3523 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3524 * function.c (finalize_block_changes): Likewise.
3525 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3526 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3527 * rtl.c (dump_rtx_statistics): Likewise.
3528 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3530 * varray.c (dump_varray_statistics): Likewise.
3531 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3532 decode_decimal64, encode_decimal128, decode_decimal128,
3533 decimal_real_to_decimal): Likewise.
3535 2006-07-07 Richard Guenther <rguenther@suse.de>
3537 PR tree-optimization/28187
3538 * tree-vrp.c (vrp_operand_equal_p): New function.
3539 (vrp_bitmap_equal_p): Likewise.
3540 (update_value_range): Use them to compare old and new
3543 2006-07-06 Roger Sayle <roger@eyesopen.com>
3545 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3546 a default case to switch statement to silence compiler warnings.
3548 2006-07-06 Roger Sayle <roger@eyesopen.com>
3551 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3552 the configured assembler supports the x87's ffreep mnemonic.
3553 * configure: Regenerate.
3554 * config.in: Regenerate.
3556 * config/i386/i386.c (output_387_ffreep): New function.
3557 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3558 (output_387_reg_move): Likewise.
3560 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3562 Port to hosts whose 'sort' and 'tail' implementations
3563 treat operands with leading '+' as file names, as POSIX
3564 has required since 2001. However, make sure the code still
3565 works on pre-POSIX hosts.
3566 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3567 which says you should use "tail -c +N" rather than "tail +Nc".
3568 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3570 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3572 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3575 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3578 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3579 PRE_{INC,DEC} of TFmode.
3581 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3582 Alan Modra <amodra@bigpond.net.au>
3585 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3588 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3591 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3592 Remove duplicate gtu.
3594 2006-07-05 Jason Merrill <jason@redhat.com>
3598 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3599 * c-common.c (handle_packed_attribute): So don't copy it here.
3600 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3602 2006-07-05 Mike Stump <mrs@apple.com>
3604 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3606 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3609 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3611 2006-07-05 Richard Guenther <rguenther@suse.de>
3614 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3615 TARGET_SSE2 targets if using SSE math.
3616 (*absdf2_1): Likewise.
3618 2006-07-05 Richard Guenther <rguenther@suse.de>
3620 PR tree-optimization/28162
3621 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3622 make sure to convert the operands to the correct type.
3624 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3626 PR tree-optimization/28218
3628 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3629 to calculate and free the dominator information.
3631 2006-07-04 Peter O'Gorman <peter@pogma.com>
3633 * mklibgcc.in: chmod 644 before ranlib during install.
3635 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3636 J"orn Rennecke <joern.rennecke@st.com>
3638 * configure.ac (.eh_frame data check): Use diff -b.
3640 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3643 * Makefile.in (BUILD_RTL): Add build/vec.o.
3644 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3645 (build/genextract): Delete.
3646 (build/genautomata): Likewise.
3648 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3651 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3652 128-bit IBM long doubles for ABI_V4.
3654 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3656 * tree.c (range_in_array_bounds_p): New predicate.
3657 * tree.h (range_in_array_bounds_p): Declare it.
3658 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3659 return a less conservative answer.
3660 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3661 and flag 'is_group'.
3662 (IS_ELEMENT_FOR_GROUP): New macro.
3663 (FOR_EACH_ACTUAL_CHILD): Likewise.
3664 (next_child_for_group): New helper function.
3665 (can_completely_scalarize_p): Take into account groups.
3666 (sra_hash_tree): Handle RANGE_EXPR.
3667 (sra_elt_eq): Likewise.
3668 (lookup_element): Be prepared for handling groups.
3669 (is_valid_const_index): Delete.
3670 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3671 instead of is_valid_const_index.
3672 <ARRAY_RANGE_REF>: New case.
3673 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3674 is_valid_const_index.
3675 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3676 (scan_dump): Dump info for groups too.
3677 (decide_instantiation_1): Likewise.
3678 (decide_block_copy): Assert that the element is not a group.
3679 Propagate decision to groups.
3680 (generate_one_element_ref): Handle RANGE_EXPR.
3681 (mark_no_warning): Iterate over actual childs.
3682 (generate_copy_inout): Likewise.
3683 (generate_element_copy): Likewise.
3684 (generate_element_zero): Likewise.
3685 (generate_element_init_1): Likewise.
3686 (dump_sra_elt_name): Handle RANGE_EXPR.
3688 2006-07-03 Roger Sayle <roger@eyesopen.com>
3690 PR tree-optimization/26251
3691 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3692 (thread_block): When optimizing for size refuse to thread jumps
3693 that would require duplication of blocks other than redirection
3696 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3698 * configure.ac: Fix thinko in previous check-in.
3699 * configure: Regenerate.
3701 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3704 * configure.ac (for lang...): Simplify nesting of conditionals.
3705 Test subdir_requires for non-enabled languages. Move processing
3706 of lang_opt_files and lang_tree_fiels below that test.
3707 * configure: Regenerate.
3708 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3710 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3712 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3714 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3716 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3719 2006-06-29 Jason Merrill <jason@redhat.com>
3726 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3727 * c-common.c (c_determine_visibility): Handle it here.
3728 * c-decl.c (finish_decl): Call c_determine_visibility for
3730 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3732 * varasm.c (default_assemble_visibility): Likewise.
3733 * c-common.c (handle_visibility_attribute): Complain about trying
3734 to give visibility to an already defined class, or trying to change
3735 declared visibility. Always attach the attribute.
3740 * attribs.c (decl_attributes): Ignore type-in-place attributes
3741 once the type has been defined.
3743 2006-06-29 Roger Sayle <roger@eyesopen.com>
3746 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3747 to indicate the cpplib has issued an error message for us.
3749 2006-06-29 Asher Langton <langton2@llnl.gov>
3752 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3753 insert a label at the end of an function under Mach-O.
3755 2006-06-29 Eric Christopher <echristo@apple.com>
3756 Evan Cheng <evan.cheng@apple.com>
3758 * predicates.md (vector_all_ones_operand): New.
3759 (nonimmediate_or_sse_const_operand): Ditto.
3760 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3761 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3762 (standard_sse_mode_p): Ditto.
3763 (standard_sse_constant_p): Add case for -1 vector.
3764 (ix86_expand_vector_move): Try to use.
3765 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3766 Call standard_sse_constant_opcode.
3767 (*movv4sf_internal): Ditto.
3768 (*movv2df_internal): Ditto.
3770 2006-06-29 Roger Sayle <roger@eyesopen.com>
3772 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3773 of XEXP to extract the operands of a MATCH_CODE rtx.
3775 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3777 * tree.c (tree_size): Do not waste tail padding in
3778 struct tree_string and make the size be the same as
3779 build_string will generate.
3781 2006-06-28 Jason Merrill <jason@redhat.com>
3784 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3785 may_aliases already in the tag's annotations to the bitmap.
3787 2006-06-28 Roger Sayle <roger@eyesopen.com>
3789 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3791 2006-06-28 Roger Sayle <roger@eyesopen.com>
3793 * genpreds.c (generate_switch_p): New function.
3794 (add_mode_tests): Push the new mode test down inside an AND expr
3795 if this allows the switch-suitable MATCH_CODE to be near the root.
3796 (write_match_code_switch): New function to write a MATCH_CODE as
3798 (write_predicate_stmts): New function to write a predicate RTX
3799 expression as a sequence of statements.
3800 (write_one_predicate_function): Use write_predicate_stmts.
3801 (write_tm_constrs_h): Likewise.
3803 2006-06-26 Fred Fish <fnf@specifix.com>
3805 * config/mips/t-sb1: New file.
3806 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3809 2006-06-26 DJ Delorie <dj@redhat.com>
3811 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3813 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3814 Jayant Sonar <jayants@kpitcummins.com>
3815 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3817 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3818 (subsi3, subsi3_1, subsi3_2): New.
3819 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3820 * config/m32c/mov.md (SI mov peephole): New.
3821 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3822 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3824 2006-06-26 Olivier Hainque <hainque@adacore.com>
3826 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3827 a CALL_EXPR target function declaration.
3829 2006-06-26 Richard Guenther <rguenther@suse.de>
3831 * tree.c (build_string): Do not waste tail padding in
3834 2006-06-26 Richard Guenther <rguenther@suse.de>
3836 * ggc-page.c (init_ggc): Add missing element to size_lookup
3840 2006-06-23 Richard Guenther <rguenther@suse.de>
3842 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3843 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3844 alignment requests instead. Add verification code.
3845 Add struct tree_function_decl and struct tree_binfo size to
3846 extra_order_size_table. Add missing element to size_lookup
3849 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3852 * fold-const.c (const_binop): Be prepared for self returning zero.
3853 Simplify code handling complex values.
3855 2006-06-24 Olivier Hainque <hainque@adacore.com>
3857 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3858 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3861 2006-06-24 Olivier Hainque <hainque@adacore.com>
3863 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3864 ARRAY_REF, so have the callback called for the low bound expression.
3866 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3868 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3869 * c-typeck.c (c_common_type): Disallow operations on decimal float
3870 types and other float types.
3871 * convert.c (convert_to_real): Don't ignore conversions involving
3872 decimal float types.
3874 2006-06-23 Olivier Hainque <hainque@adacore.com>
3876 * tree.c (max_int_size_in_bytes): New function, inspired from
3877 code in function.c:assign_temp.
3878 * tree.h (max_int_size_in_bytes): Declare.
3879 * function.c (assign_temp): Use it.
3880 * gimplify.c (create_tmp_var): Relax the assertions on the type
3881 properties, not mandating constant size any more.
3882 (force_constant_size): New static function.
3883 (gimple_add_tmp_var): Use it, forcing variable size to a
3884 constant upper bound if it is not constant on entry.
3886 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3889 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3890 for initialization and setting of one_only flag to ...
3891 (i386_pe_encode_section_info): ...here.
3892 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3893 Recheck that the symbol has not been defined.
3895 2006-06-23 Richard Guenther <rguenther@suse.de>
3897 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3898 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3899 alignment requests instead. Add verification code.
3900 Add struct tree_function_decl and struct tree_binfo size to
3901 extra_order_size_table. Add missing element to size_lookup
3904 2006-06-22 Roger Sayle <roger@eyesopen.com>
3905 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3908 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3909 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3911 2006-06-23 Ben Elliston <bje@au.ibm.com>
3913 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3914 negate dn -- manipulate it directly.
3916 2006-06-22 Roger Sayle <roger@eyesopen.com>
3917 Steven Bosscher <stevenb.gcc@gmail.com>
3920 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3921 generated by gen_move_insn to add REG_LABEL notes if necessary.
3923 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3925 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3926 (leaf_entry): Remove use of MIN_ESA.
3928 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3930 PR rtl-optimization/28121
3931 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3934 2006-06-21 DJ Delorie <dj@redhat.com>
3936 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3938 (mulhisi3_r): Likewise.
3940 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3943 * coverage.c (coverage_counter_alloc): Leave the index type
3945 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3948 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3950 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3951 section from the "Options for Code Generation Conventions".
3953 2006-06-21 Richard Henderson <rth@redhat.com>
3957 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3959 (global_symbolic_operand): Allow weak symbols, even if local_p.
3961 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3963 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3964 (find_interesting_uses_address): Punt if above function returns true.
3966 2006-06-21 Richard Guenther <rguenther@suse.de>
3968 * configure: Regenerated.
3970 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3972 * config/mips/mips.c (function_arg): Where one part of a
3973 complex argument is in registers and the other part in the stack,
3974 return a REG not a PARALLEL.
3976 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3978 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3979 when cross-compiling. Do not substitute libstdcxx_incdir.
3980 * configure: Regenerated.
3982 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3984 * varasm.c (mergeable_string_section): Check for embedded NULs and
3985 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3986 rather than TREE_STRING_LENGTH bytes.
3988 2006-06-21 Richard Guenther <rguenther@suse.de>
3990 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3991 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3994 2006-06-21 Richrad Guenther <rguenther@suse.de>
3996 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3997 Limit iteration over the dominators.
3999 2006-06-20 Roger Sayle <roger@eyesopen.com>
4001 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4002 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4004 2006-06-20 Richard Guenther <rguenther@suse.de>
4005 Michael Matz <matz@suse.de>
4007 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4009 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4010 * et-forest.h (et_free_pools): Prototype new function.
4011 * et-forest.c (et_free_tree_force): Free parent occurrence.
4012 (et_free_pools): New function.
4013 * dominance.c (free_dominance_info): Free et-forest alloc
4016 2006-06-20 Roger Sayle <roger@eyesopen.com>
4018 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4019 integer modes, attempt to directly construct an integer constant.
4021 * fold-const.c (native_encode_vector): Determine the size of each
4022 element from the vector type instead of the first vector element.
4024 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4025 if all of its elements/components are constant.
4026 (build_constructor_from_list): Likewise.
4028 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4030 PR tree-optimization/27331
4031 * tree-data-ref.c (free_data_ref): New function.
4032 (create_data_ref): Fail if the data reference has unknown access
4034 (free_data_refs): Use free_data_ref.
4036 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4039 * tree-inline.c (setup_one_parameter): Strip useless
4040 type conversion before adding it to the IR.
4041 (declare_return_variable): Likewise.
4043 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4046 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4048 2006-06-19 Mike Stump <mrs@apple.com>
4050 * tree.c (variably_modified_type_p): VM arguments don't make the
4053 2006-06-19 Richard Guenther <rguenther@suse.de>
4055 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4056 type conversions after folding.
4058 2006-06-19 Richard Guenther <rguenther@suse.de>
4060 * ggc-page.c (extra_order_size_tab): Add entries with
4061 size of struct function and basic_block.
4062 (size_lookup): Extend to cover sizes up to 511.
4063 (ggc_alloc_stat): Adjust user.
4064 (ggc_pch_count_object): Likewise.
4065 (ggc_pch_alloc_object): Likewise.
4066 (ggc_pch_write_object): Likewise.
4068 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4070 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4071 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4074 2006-06-19 Denis Chertykov <denisc@overta.ru>
4076 * config/avr/libgcc.S : Correct my wrong previous commit.
4078 2006-06-19 Roger Sayle <roger@eyesopen.com>
4081 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4082 have stripped a SUBREG from the shift count, so we may need to
4083 convert_to_mode back to the type's mode before calling make_tree.
4084 Use new_amount instead of amount to avoid expanding a tree twice.
4086 2006-06-19 Richard Guenther <rguenther@suse.de>
4089 * fold-const.c (operand_equal_p): Check if the argument types
4090 have the same precision before stripping NOPs.
4092 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4094 Fix PR tree-optimization/27341
4095 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4097 * tree-complex.c (pass_lower_complex): Update SMT usage.
4099 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4101 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4102 Add a new alternative to the constraint strings. Add move of
4103 operand 1 to 3 to the splitter definition.
4104 ("doloop_si_long"): Second contraint alternative removed.
4106 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4108 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4109 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4111 (AVR_HAVE_MOVW) Define.
4112 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4113 (ASM_SPEC): Add avr25.
4114 (LINK_SPEC): Add avr25.
4115 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4116 (base_arch_s): Add new member 'have_movw_lpmx'.
4117 (avr_arch_types): Init 'have_movw_lpmx'.
4118 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4119 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4120 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4121 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4122 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4124 (avr_file_start): Do not output '.arh' derective.
4125 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4126 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4127 * config/avr/avr.md (mcu_enhanced): Delete.
4128 (mcu_have_movw): Define.
4129 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4130 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4131 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4132 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4133 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4134 attiny861 and at86rf401 devices.
4136 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4138 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4141 2006-06-17 Karl Berry <karl@gnu.org>
4143 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4144 doc/gccint.texi, doc/install.texi (@dircategory): Use
4145 "Software development" instead of "Programming", following
4146 the Free Software Directory.
4148 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4150 * config/i386/i386.c (legitimate_tls_address)
4151 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4152 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4153 (*tls_dynamic_gnu2_combine_64): Likewise.
4155 2006-06-16 Richard Guenther <rguenther@suse.de>
4158 * fold-const.c (negate_expr_p): Do not introduce undefined
4159 overflow in negating INTEGER_CSTs.
4160 (fold_negate_expr): Rename from negate_expr. Revert last
4161 change for folding BIT_NOT_EXPR. Change semantics to
4162 return NULL_TREE for non-simplified negations. Do not
4163 strip type conversions and unify type handling.
4164 (negate_expr): New function, wrap around fold_negate_expr
4165 but ensure building a tree always. Strip type conversions
4166 here, fold to result type.
4167 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4169 2006-06-16 Roger Sayle <roger@eyesopen.com>
4172 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4173 that (would) return their results in stack registers.
4175 2006-06-16 Michael Matz <matz@suse.de>
4176 Richard Guenther <rguenther@suse.de>
4178 * fold-const.c (fold_truthop): Only return new tree node if
4179 we canonicalized something.
4181 2006-06-16 Richard Guenther <rguenther@suse.de>
4183 * function.h (enum function_frequency): Move declaration
4184 out of struct function.
4185 (struct function): Move bool fields and the enum to the bitfield
4186 section. Reorder elements to avoid padding. Remove unused
4187 fields left over from the RTL inliner removal.
4188 * function.c (free_after_compilation): Do not zero removed fields.
4189 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4190 (ipa-type-escape.o): Likewise.
4192 2006-06-16 Richard Guenther <rguenther@suse.de>
4194 * cgraph.h (struct cgraph_local_info): Turn bool elements
4196 (struct cgraph_node): Likewise.
4197 (struct cgraph_varpool_node): Likewise.
4199 2006-06-15 Richard Guenther <rguenther@suse.de>
4201 * fold-const.c (fold_truth_not_expr): Rename from
4202 invert_truthvalue. Give it fold_* semantics to avoid
4204 (invert_truthvalue): New function. Wrapper around
4205 fold_truth_not_expr.
4206 (optimize_minmax_comparison): Avoid creating garbage.
4207 (fold_unary): Use fold_truth_not_expr for folding
4209 (fold_ternary): Replace uses of invert_truthvalue with
4210 fold_truth_not_expr where applicable.
4211 * tree.h (fold_truth_not_expr): Prototype.
4213 2006-06-16 Richard Guenther <rguenther@suse.de>
4215 PR tree-optimization/27781
4216 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4217 * ipa-pure-const.c (target.h): Include.
4218 (analyze_function): Do not analyze functions that do not
4221 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4224 * tree-dfa.c (referenced_vars_dup_list): Remove.
4225 (find_referenced_vars): Remove assert.
4226 (referenced_var_check_and_insert): Replace dup list with assert.
4227 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4228 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4230 2006-06-15 Richard Guenther <rguenther@suse.de>
4232 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4233 extra unused identifiers if not dumping.
4234 (create_variable_info_for): Likewise.
4236 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4238 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4239 (derive_constant_upper_bound): Derive more precise upper bound in
4240 common cases. Return type changed to double_int.
4241 (record_estimate): Reflect the changed return type of
4242 derive_constant_upper_bound.
4243 * double-int.c (double_int_zext, double_int_sext): Fix.
4245 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4247 * configure.ac (CFLAGS): Get them from the toplevel or from the
4248 configure invocation.
4249 * configure: Regenerate.
4250 * Makefile.in (CFLAGS): Substitute value provided by configure.
4252 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4255 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4256 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4257 rather than calling add_stmt on it.
4258 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4260 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4263 * reload1.c (reload): Remove registers returned by update_eliminables
4264 from used_spill_regs.
4266 2006-06-13 DJ Delorie <dj@redhat.com>
4268 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4270 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4272 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4273 html__strip_dir, html__mkdir_p. Enhance install-html target.
4274 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4275 * configure: Regenerate.
4277 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4279 * fold-const.c (fold_cond_expr_with_comparison): Check for
4280 Objective-C++ as language in deciding COND_EXPR transformation.
4282 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4285 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4286 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4287 * config/sh/lib1funcs.h (SL, SL1): Define.
4288 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4289 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4290 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4291 (OBJS_Os_4_200): New variable.
4292 ($(T)libgcc-Os-4-200.a): Use it.
4293 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4294 when dividing 1 and/or by 0.
4296 2006-06-13 Roger Sayle <roger@eyesopen.com>
4298 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4299 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4300 * configure: Regenerate.
4302 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4304 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4305 for real instruction.
4307 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4310 * haifa-sched.c (check_cfg): Handle special case.
4312 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4315 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4316 Add debug_info parameter. Chain the vars to the BLOCK instead
4317 of the BIND_EXPR if debug info are requested for them.
4318 (pop_gimplify_context): Adjust for above change.
4319 (gimple_add_tmp_var): Likewise.
4320 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4322 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4323 (convert_local_reference): Likewise.
4324 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4325 (finalize_nesting_tree_1): Request that debug info be emitted
4326 for debug_var_chain.
4328 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4330 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4331 for PR target/27863.
4333 2006-06-13 Richard Guenther <rguenther@suse.de>
4336 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4338 2006-06-13 Richard Guenther <rguenther@suse.de>
4340 PR tree-optimization/27830
4341 * tree-inline.c (copy_body_r): For copying the operand
4342 of an ADDR_EXPR make sure to fold &* afterwards.
4344 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4346 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4347 lvalues in the fb_none case with side-effects.
4349 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4351 * tree-flow.h: Remove the prototype for
4352 compute_phi_arg_on_exit.
4353 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4354 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4357 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4359 * builtins.c (expand_builtin_return_addr): Only use
4360 frame_pointer_rtx when count == 0 and we are expanding
4361 __builtin_return_address.
4363 2006-06-12 Fred Fish <fnf@specifix.com>
4365 * config/mips/mips.c (mips_file_start): Create special section
4366 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4368 2006-06-11 Eric Christopher <echristo@apple.com>
4371 * stor-layout.c (place_field): Remove check for
4372 remaining_in_alignment when aligning at the end of a run.
4374 2006-06-11 Eric Christopher <echristo@apple.com>
4377 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4380 2006-06-11 Roger Sayle <roger@eyesopen.com>
4383 Revert incorrect fix for PR target/27158
4384 2006-05-08 Roger Sayle <roger@eyesopen.com>
4385 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4386 of a reg_equiv_constant if the result is a legitimate constant.
4388 2006-06-11 Roger Sayle <roger@eyesopen.com>
4391 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4392 extract a CONST_VECTOR element and interpret it as an integer.
4393 (vspltis_constant): Use const_vector_elt_as_int instead of the
4394 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4395 * config/rs6000/predicates.md (easy_vector_const): Consider
4396 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4398 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4401 * stor-layout.c (update_alignment_for_field): Don't add extra
4402 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4405 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4407 * config/mips/t-rtems: Add EL/EB multilib variants.
4409 2006-06-09 Mike Stump <mrs@apple.com>
4411 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4413 2006-06-09 David Daney <ddaney@avtrex.com>
4415 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4417 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4419 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4421 2006-06-09 Richard Guenther <rguenther@suse.de>
4423 PR tree-optimization/26998
4424 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4425 of signed types, only TYPE_MIN_VALUE is special, but for both,
4426 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4427 in this case, as is -fwrapv.
4429 2006-06-08 Mike Stump <mrs@apple.com>
4432 * config/darwin.c (darwin_asm_output_anchor): Disable
4433 -fsection-anchors on darwin for now.
4434 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4435 * rs6000/rs6000.c (optimization_options): Likewise.
4437 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4440 * config/i386/i386.c (classify_argument): Skip fields with invalid
4443 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4445 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4446 (cse_insn): Likewise for the stack_pointer_rtx.
4448 2006-06-08 Roger Sayle <roger@eyesopen.com>
4450 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4451 conditions from floating point comparisons.
4453 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4456 * expmed.c (struct alg_hash_entry): Fix type of field T
4457 to match synth_mult argument.
4458 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4460 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4463 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4466 2006-06-08 Richard Guenther <rguenther@suse.de>
4469 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4470 only, if overflow is defined and not trapping.
4471 (negate_expr): Likewise.
4473 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4475 PR tree-optimization/27872
4476 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4477 flag on the new exit edge of the unrolled loop.
4479 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4481 PR rtl-optimization/26449
4482 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4484 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4487 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4488 referenced_variables with matching DECL_UID's.
4489 (find_referenced_vars): Make sure duplicate list is empty to start.
4490 (referenced_var_p): Remove.
4491 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4492 Check if var is in the list, and add if needed. Update the duplicate
4493 list if a different var is in the list with the same DECL_UID.
4494 (add_referenced_var): Call routine to check and insert.
4495 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4496 * tree-flow.h (referenced_vars_dup_list): External declaration.
4498 2006-06-07 Fred Fish <fnf@specifix.com>
4500 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4503 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4506 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4507 the imaginary and real parts of a clobbered register.
4508 Emit insn to set the imaginary part.
4510 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4512 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4513 in lieu of unwind-dw2-fde.c.
4515 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4517 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4519 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4522 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4523 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4524 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4525 V4SImode temporaries and operations instead.
4527 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4529 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4532 2006-06-06 Mike Stump <mrs@apple.com>
4534 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4535 installing during build.
4537 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4539 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4541 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4542 * config/ia64/ia64.c (params.h): New header.
4543 (ia64_optimization_options): New function to adjust parameters.
4544 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4545 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4546 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4548 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4550 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4552 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4555 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4557 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4558 Victor Kaplansky <victork@il.ibm.com>
4560 PR tree-optimization/26360
4561 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4564 2006-06-04 Roger Sayle <roger@eyesopen.com>
4565 Andrew Pinski <pinskia@physics.uc.edu>
4568 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4569 for LABEL_DECL before calling DECL_WEAK.
4572 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4573 LABEL_DECL and PARM_DECL.
4575 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4579 * c-decl.c (grokdeclarator): Disallow variably modified types at
4580 file scope. Avoid marking shared array type of constant size as
4583 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4586 * c-common.c (fold_offsetof_1): Handle static members.
4588 2006-06-04 Eric Christopher <echristo@apple.com>
4590 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4591 (debug_rli): Output value for remaining_in_alignment.
4592 (update_alignment_for_field): Unconditionalize
4593 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4594 extra alignment code.
4595 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4596 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4597 * tree.h (record_layout_info_s): Remove prev_packed.
4598 * doc/extend.texi (ms_struct): Add documentation of format.
4600 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4602 * tree.h: Declare folding_initializer.
4603 * builtins.c (fold_builtin_constant_p): Give definite answer
4604 if folding inside an initializer.
4605 * fold-const.c: Define folding_initializer.
4606 (START_FOLD_INIT): Save and then set folding_initializer.
4607 (END_FOLD_INIT): Restore folding_initializer.
4609 2006-06-04 Richard Guenther <rguenther@suse.de>
4611 PR tree-optimization/27039
4612 * fold-const.c (fold_comparison): Handle pointer comparison
4613 again for all comparison codes. Compare offsets in signed
4615 (fold_binary): Move code from here.
4617 2006-06-03 Roger Sayle <roger@eyesopen.com>
4620 * config/i386/i386.c (construct_container): Split static issued_error
4621 flag into issued_sse_arg_error, issued_sse_ret_error and
4622 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4623 requires the use of x87 registers and the user explicitly
4624 specified the -mno-80387 command line option.
4626 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4628 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4629 HAVE_DECL_SIGALTSTACK.
4631 (segv_handler): Use MC_FLD.
4632 * configure.ac: Check for a sigaltstack declaration.
4633 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4634 * configure: Regenerate.
4635 * config.in: Regenerate.
4637 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4640 * Makefile.in (stmp-fixinc): Fix typo.
4642 2006-06-02 Roger Sayle <roger@eyesopen.com>
4644 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4645 are type correct. Clean-up.
4646 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4647 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4649 2006-06-01 DJ Delorie <dj@redhat.com>
4651 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4652 shift, as we've disabled the "switch" insn that needs it.
4654 2006-06-01 Per Bothner <bothner@bothner.com>
4656 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4657 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4658 * c-ppoutput.c (cb_define): Don't increment line 0.
4660 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4662 * doc/invoke.texi: Add cpu_type power6.
4663 * config.gcc: Add cpu_type power6.
4664 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4665 to power5+ with Altivec.
4666 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4667 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4669 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4671 * config/avr/avr.h (SET_ASM_OP): Define.
4673 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4675 * config/bfin/bfin.c: Fix comment typos.
4677 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4680 * doc/install.texi: Document --enable-bootstrap and
4681 --disable-bootstrap.
4683 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4685 * doc/install.texi: Document that InfoZIP can replace jar.
4687 2006-05-31 Roger Sayle <roger@eyesopen.com>
4689 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4690 isn't available, directly generate the simpler x87 patterns without
4691 the (use (const_int 0)).
4692 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4693 implementation isn't available.
4694 (*negdf2_1): Likewise.
4695 (*negxf2_1): XF mode negation is always done using the x87.
4696 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4698 2006-05-31 Roger Sayle <roger@eyesopen.com>
4700 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4701 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4703 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4705 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4707 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4708 * config/bfin/bfin.c (basic-block.h): Include.
4709 (struct machine_function): New.
4710 (bfin_init_machine_status): New.
4711 (override_options): Initialize init_machine_status.
4712 (bfin_hardware_loop): New.
4713 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4714 (DEF_VEC_P (loop_info)): New.
4715 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4716 (struct loop_info): New.
4717 (loop_info): New typedef.
4718 (struct loop_work): New.
4719 (loop_work): New typedef.
4720 (DEF_VEC_O (loop_work)): New.
4721 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4722 (bfin_dump_loops): New.
4723 (bfin_bb_in_loop): New.
4724 (bfin_scan_loop): New.
4725 (bfin_optimize_loop): New.
4726 (bfin_reorg_loops): New.
4727 (bfin_reorg): Use bfin_reorg_loops.
4728 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4730 (I_REGNO_P): Simplify.
4731 (DP_REGNO_P, DPREG_P): New macros.
4732 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4733 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4734 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4735 Add LT_REGS, LC_REGS, LB_REGS.
4736 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4738 (REGNO_REG_CLASS): Deal with loop registers.
4739 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4741 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4742 New constants for loop registers.
4743 (UNSPEC_LSETUP_END): New.
4744 (seq_insns): New define_attr. Set it for appropriate insns.
4745 (movsi_insn): Add alternatives for move from/to
4746 loop count registers.
4747 (doloop_end): New define_expand.
4748 (loop_end): New define_insn.
4749 (define_split for bad doloop_end): New.
4750 (lsetup_with_autoinit): New define_insn.
4751 (lsetup_without_autoinit): New define_insn.
4752 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4753 * config/bfin/predicates.md (lc_register_operand): New.
4754 (lt_register_operand): New.
4755 (lb_register_operand): New.
4756 (nondp_register_operand): New.
4757 (nondp_reg_or_memory_operand): New.
4758 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4760 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4762 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4763 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4765 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4767 * Makefile.in (CATALOGS): Add po/ prefix.
4768 * configure: Regenerated.
4770 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4773 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4774 a shift operand before calling shift_op. Avoid redundant call of
4777 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4778 DJ Delorie <dj@redhat.com>
4780 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4781 we're inserting is a singlt-bit constant.
4783 2006-05-30 Roger Sayle <roger@eyesopen.com>
4785 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4786 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4788 2006-05-30 Roger Sayle <roger@eyesopen.com>
4790 PR tree-optimization/23452
4791 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4792 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4793 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4794 complex values and with -ffast-math for FP complex values.
4796 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4798 * c-common.h: Remove the prototype for yyparse.
4799 * rtl.h: Remove the prototype for init_loop.
4801 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4803 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4806 2006-05-30 Roger Sayle <roger@eyesopen.com>
4808 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4810 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4811 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4813 2006-05-30 Dirk Mueller <dmueller@suse.de>
4816 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4817 for CONSTANT_CLASS_P expresisons.
4819 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4822 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4824 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4826 PR tree-optimization/27779
4827 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4828 initial_condition instead of CHREC_LEFT.
4830 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4832 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4833 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4834 Make prototypes ISO C90.
4836 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4837 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4839 * see.c (see_analyze_one_def): Correct check.
4840 (see_get_extension_data): Check if extension is parallel.
4841 (see_get_extension_reg): Likewise.
4843 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4846 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4847 into register for (code == GTU).
4849 2006-05-29 Roger Sayle <roger@eyesopen.com>
4851 PR tree-optimization/24964
4852 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4853 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4854 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4855 abs(x)*abs(x) as x*x for scalar floating point modes.
4857 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4860 * lambda-code.c (perfect_nestify): Don't copy statements
4861 in the inner loop: move them to the inner loop header.
4863 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4866 * c-tree.texi: Document OpenMP directives and clauses.
4868 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4870 * varasm.c (globalize_decl): Fix indentation.
4872 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4875 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4876 pass_fre, pass_store_ccp, pass_copy_prop,
4877 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4878 pass_return_slot, pass_object_size, pass_lim,
4879 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4880 pass_loop_prefetch and pass_stdarg.
4882 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4884 * config/bfin/bfin.opt (mfdpic): New option.
4885 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4886 (EXTRA_MULTILIB_PARTS): Likewise.
4887 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4888 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4890 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4891 (CRT_CALL_STATIC_FUNCTION): New.
4892 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4894 (CRT_CALL_STATIC_FUNCTION): New.
4895 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4897 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4898 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4899 (initialize_trampoline): Changed to handle FD-PIC code generation.
4900 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4901 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4902 (override_options): Disallow -mid-shared-library -mfdpic combination.
4903 Can't do unaligned ops if FD-PIC.
4904 Turn off flag_pic if trying to generate non-id-shared-library
4905 non-fdpic code, since it's not supported.
4906 (bfin_assemble_integer): New function.
4907 (TARGET_ASM_INTEGER): Define.
4908 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4910 * config/bfin/crtn.s: Restore them.
4911 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4913 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4914 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4915 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4916 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4917 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4919 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4920 FDPIC_REGS and FDPIC_FPTR_REGS.
4921 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4922 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4923 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4924 (load_funcdescsi): New pattern.
4925 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4926 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4927 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4929 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4931 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4934 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4936 * tree-flow.h: Remove the prototype for add_type_alias.
4937 * tree-ssa-alias.c (add_type_alias): Remove.
4939 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4941 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4942 config/fr30/fr30.md, config/i386/i386-interix.h,
4943 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4944 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4945 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4946 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4947 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4948 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4949 Follow spelling conventions.
4950 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4951 Follow spelling conventions.
4953 2006-05-27 Richard Guenther <rguenther@suse.de>
4956 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4957 to produce a constant of value 1 of generic type.
4959 2006-05-27 Dirk Mueller <dmueller@suse.de>
4961 * cgraphunit.c (decide_is_function_needed): Fix wrong
4964 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4966 PR rtl-optimization/27661
4967 * reload.c (find_reloads): When reloading a VOIDmode constant
4968 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4969 use Pmode as mode of the reload register.
4971 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4973 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4974 is enabled at -O and above.
4976 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4979 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4982 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4985 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4986 for anonymous variables explicitly declared by front ends.
4988 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4990 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4991 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4992 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4993 ref-all pointers, run a finalization pass for them.
4994 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4995 (finalize_ref_all_pointers): New function.
4996 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4997 regular pointer type to a ref-all pointer type.
4998 (get_tmt_for): Return the special memory tag for ref-all pointers.
5000 2006-05-25 Richard Guenther <rguenther@suse.de>
5003 * fold-const.c (fold_binary): Do not look at the stripped
5004 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5006 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5008 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5009 for LT and GT if the computed range is effectively empty.
5011 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5014 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5015 mips_quad_format formats instead of ieee_single_format,
5016 ieee_double_format and ieee_quad_format formats, respectively.
5018 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5020 PR tree-optimization/27639
5021 PR tree-optimization/26719
5022 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5023 call to scev_probably_wraps_p.
5024 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5025 used_in_pointer_arithmetic_p, convert_step): Removed.
5026 (nowrap_type_p): New function.
5027 (scev_probably_wraps_p): Rewritten.
5028 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5029 chrec_convert if chrec_convert_aggressive might have been used.
5030 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5031 scev_direction): New functions.
5032 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5033 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5034 instead of convert_step.
5035 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5036 (convert_step): Declaration removed.
5037 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5039 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5041 * df-core.c: Added to header comments.
5042 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5043 df_ur_bb_info, df_urec_bb_info): Added comments.
5044 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5045 urec, ri problems): Fixed header comments.
5046 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5047 code from df_rd_transfer_function.
5049 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5051 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5052 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5053 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5055 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5057 * expr.c (undefined_operand_subword_p): New.
5058 (emit_move_multi_word): Do not generate move from undefined bits
5059 of a paradoxical subreg.
5061 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5063 PR rtl-optimization/27736
5064 * combine.c (replaced_rhs_value): New variable.
5065 (combine_instructions): Set it.
5066 (distribute_notes): When distributing a note in replaced_rhs_insn,
5067 check whether the value was used in replaced_rhs_value.
5069 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5072 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5073 add_referenced_var instead of add_referenced_tmp_var.
5074 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5075 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5077 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5078 tree_optimize_tail_calls_1): Use add_referenced_var.
5079 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5080 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5081 Use add_referenced_var.
5082 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5083 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5084 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5085 Use add_referenced_var.
5086 * tree-dfa.c (struct walk_state): Remove.
5087 (find_referenced_vars): Remove walk state and vars_found hash table.
5088 (make_rename_temp): Use add_referenced_var.
5089 (find_vars_r): Pass less parameters to add_referenced_var.
5090 (referenced_var_p): New. Is var in referenced_var hash table.
5091 (referenced_var_insert): Assert var isn't already in hash table.
5092 (add_referenced_var): Don't need walk_state parameter. Add var if it
5093 isn't already in the hash table.
5094 (add_referenced_tmp_var): Remove.
5095 (find_new_referenced_vars_1): Use add_referenced_var.
5096 * tree-ssa-pre.c (create_expression_by_pieces,
5097 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5098 Use add_referenced_var.
5099 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5100 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5101 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5103 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5104 vect_create_data_ref_ptr, vect_create_destination_var,
5105 vect_init_vector, vect_build_loop_niters,
5106 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5107 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5108 Use add_referenced_var.
5109 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5110 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5111 (add_referenced_var): Add prototype.
5112 * tree-ssa-structalias.c (get_constraint_for,
5113 intra_create_variable_infos): Use add_referenced_var.
5115 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5117 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5118 big-endian paradoxical subregs.
5119 * var-tracking.c (struct micro_operation_def): Document that,
5120 for modify micro operations, insn is the subsequent instruction.
5121 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5122 (var_reg_set, var_mem_set): ... new functions.
5123 (add_stores): Record subsequent insn.
5124 (compute_bb_dataflow): Use new functions for MO_USE.
5125 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5126 notes after the insn, and modify notes before the insn known
5127 to be the subsequent one.
5128 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5130 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5133 * config/i386/i386.c (ix86_expand_builtin): Use
5134 gen_sse3_monitor64 for TARGET_64BIT.
5136 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5138 PR rtl-optimization/26375
5139 PR rtl-optimization/26855
5140 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5142 (df_ru_bb_local_compute): Reversed statements and removed bogus
5143 comment explaining why they should be in wrong order.
5144 (df_ru_dump, df_rd_dump): Enhanced debug info.
5145 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5147 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5148 reaching uses and fixed space problem.
5150 2006-05-23 Jan Hubicka <jh@suse.cz>
5152 * cgraphunit.c (decide_is_function_needed): Also nested functions
5153 and functions declared inline can be optimized out at -O0.
5155 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5157 * doc/install.texi (Configuration): Remove reference to CrossGCC
5161 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5164 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5165 ix86_compare_emitted is non-NULL.
5167 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5170 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5173 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5175 PR rtl-optimization/25514
5176 * combine.c (replaced_rhs_insn): New variable.
5177 (combine_instructions): Set replaced_rhs_insn when trying to replace
5178 a SET_SRC with a REG_EQUAL note.
5179 (distribute_notes): Use replaced_rhs_insn when determining the live
5180 range of a REG_DEAD register.
5182 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5183 Anatoly Sokolov <aesok@post.ru>
5185 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5186 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5187 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5188 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5189 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5190 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5191 at90usb647, at90usb1286 and at90usb1287 devices.
5192 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5193 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5195 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5197 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5199 2006-05-22 Richard Guenther <rguenther@suse.de>
5202 2006-01-31 Richard Guenther <rguenther@suse.de>
5203 Paolo Bonzini <bonzini@gnu.org>
5205 * doc/install.texi (--disable-libgcc-math): Document.
5207 2006-05-22 Richard Guenther <rguenther@suse.de>
5210 2006-01-31 Richard Guenther <rguenther@suse.de>
5212 * doc/invoke.texi (-msselibm): Document.
5213 * target.h (expand_library_builtin): New target hook.
5214 * builtins.c (expand_builtin): Use expand_library_builtin.
5215 (default_expand_library_builtin): New function.
5216 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5217 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5218 (link_gcc_math_spec): Declare.
5219 (static_specs): Add link_gcc_math_spec.
5220 * expr.h (default_expand_library_builtin): Declare.
5221 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5222 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5223 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5224 * config/i386/i386.opt (msselibm): New target option.
5225 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5226 (ix86_init_sse_abi_builtins): New function.
5227 (ix86_expand_library_builtin): Likewise.
5228 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5229 (override_options): Handle error conditions wrt -msselibm.
5230 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5231 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5232 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5235 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5238 * c-common.c (self_promoting_args_p): Skip erroneous args.
5241 * c-decl.c (finish_struct): Skip erroneous fields.
5243 2006-05-22 Nick Clifton <nickc@redhat.com>
5245 * config/cris/cris.opt (march): Remove VarExists attribute.
5246 (max-stackframe=): Likewise.
5248 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5250 * doc/rtl.texi: Fix a typo.
5251 * see.c: Fix comment typos.
5253 * tree-ssa-structalias.h (alias_info): Remove num_references.
5255 2006-05-21 Mike Stump <mrs@apple.com>
5257 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5259 (darwin_pragma_options): Use BAD instead.
5260 (darwin_pragma_unused): Likewise.
5261 (darwin_pragma_ms_struct): Likewise.
5263 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5265 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5267 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5269 PR rtl-optimization/27671
5270 * simplify-rtx.c (simplify_relational_operation_1): Fix
5271 simplifications of (eq/ne (xor x y) y) and
5272 (eq/ne (xor x y) x).
5274 PR tree-optimization/26622.
5275 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5278 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5280 * tree-cfg.c: Prune whitespace.
5281 (debug_tree_cfg): Point to correct header containing the
5284 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5287 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5289 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5292 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5293 or sorry count is non zero.
5295 2006-05-20 Andreas Schwab <schwab@suse.de>
5297 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5299 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5300 Kenneth Zadeck <zadeck@naturalbridge.com>
5302 PR rtl-optimization/26855
5304 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5306 (df_scan_alloc): Added code to properly handle multiword hard
5307 registers and add all_blocks parameter.
5308 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5309 code to properly handle multiword hard registers.
5310 (df_rescan_blocks): Added code to remove deleted blocks from
5312 (df_ref_create_structure, df_ref_record): Added code to properly
5314 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5315 and set DF_REF_PARTIAL.
5316 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5317 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5318 (df_scan_add_problem): Added flags parameter.
5319 (df_ref_create_structure): Changed switching structure.
5320 (df_bb_refs_record): Fixed case where duplicate artificial refs
5321 were created. Changed location of flags.
5322 (df_record_entry_block_defs): Added code to make stack pointer
5323 live in entry block. Refined cases where frame pointer is needed.
5324 Changed location of flags.
5325 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5326 (df_set_state): Removed function.
5327 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5328 df_insn_create_insn_record, df_insn_refs_delete,
5329 df_ref_create_structure): Formatting changes.
5330 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5331 df_delete_basic_block): New function.
5332 (df_init): Changed location of flags.
5333 (df_add_problem): Added flags parameter and the way flags are
5335 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5336 debug_df_chain): Improved debugging output.
5337 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5338 (df_refs_chain_dump): Removed df parameter.
5339 (df_iterative_dataflow): Added consistency check.
5340 (df_prune_to_subcfg): Made public.
5341 (df_analyze_problem): Added blocks_to_init parameter and made
5343 (df_ref_record, df_bb_refs_record, df_mark_reg,
5344 df_record_exit_block_uses): Whitespace changes.
5345 (df_dump): Whitespace changes.
5346 * df.h: Some reordering to remove forward references.
5347 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5348 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5349 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5350 (dataflow.flags): New field.
5351 (df.flag): Deleted field.
5352 (df_alloc_function): Added additional bitmap parameter.
5353 (df_dependent_problem_function): New type.
5354 (df_problem.changeable_flags): New field.
5355 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5356 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5357 (df_mw_hardreg): New struct.
5358 (DF_INSN_UID_MWS): New macro.
5359 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5361 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5362 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5363 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5364 (df_set_state): Removed function.
5365 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5366 * df-problems.c (df_chain_dump): Removed df parameter.
5367 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5368 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5370 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5371 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5372 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5373 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5374 DF_REF_MUST_CLOBBER cases.
5375 (df_ru_bb_local_compute_process_def,
5376 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5377 df_lr_bb_local_compute, df_ur_bb_local_compute,
5378 df_chain_create_bb): Made subreg aware.
5379 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5380 df_lr_bb_local_compute, df_lr_bb_local_compute,
5381 df_chain_create_bb): Cleanup to use proper macros.
5382 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5383 code to fixup bitvectors.
5384 (df_ri_alloc): Cleared lifetime.
5385 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5386 df_create_unused_note): New function.
5387 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5388 REG_DEAD and REG_UNUSED notes as well as register information.
5389 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5390 df_chains_dump): Fixed crash if problem was never run.
5391 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5392 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5393 df_ri_add_problem): Processes flags in uniform manner.
5394 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5395 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5396 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5397 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5398 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5399 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5400 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5401 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5402 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5403 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5404 * see.c (see_initialize_data): Ditto.
5405 * final.c (rest_of_clean_state) Added regstack_completed.
5406 * rtl.h (regstack_completed): Ditto.
5407 * reg-stack.c (regstack_completed): Ditto.
5409 2006-05-19 Mike Stump <mrs@apple.com>
5411 * c-tree.h (default_conversion): Remove.
5412 * c-common.h (default_conversion): Add.
5414 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5416 * tree-vrp.c (valid_value_p): New function.
5417 (adjust_range_with_scev): Fail if the value of bound is not
5420 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5422 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5423 (mips_fallback_frame_state): Use syscall numbers to determine
5424 the appropriate li instruction for the current ABI. Only use
5425 __NR_sigreturn for o32.
5427 2006-05-19 Nicolas Setton <setton@adacore.com>
5429 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5430 * langhooks.c (lhd_dwarf_name): New function.
5431 * langhooks-def.h (lhd_dwarf_name): Declare.
5432 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5433 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5434 * ada/misc.c (gnat_dwarf_name): New function.
5435 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5437 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5439 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5441 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5442 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5443 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5444 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5445 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5446 determine the size of Wtype, etc.
5447 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5448 (swfloatfuncs): New variable.
5449 (dwfloatfuncs): Likewise.
5450 (lib2funcs): Remove floating-point conversion functions from
5451 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5452 the set of conversion routines needed. Allow entries to specify
5453 an object name, filename and word size. Update users accordingly.
5454 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5455 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5459 2006-02-08 Roger Sayle <roger@eyesopen.com>
5462 * config/fixtfdi.c: New libgcc source file.
5463 * config/fixunstfdi.c: New source file.
5464 * config/floatditf.c: New source file.
5465 * config/floatunditf.c: New souce file.
5466 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5467 files above instead of config/mips/_tilib.c.
5468 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5470 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5472 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5473 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5475 2006-05-18 Mike Stump <mrs@apple.com>
5477 Fix up vla, vm and [*] sematics.
5483 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5484 (c_vla_unspec_p): Add.
5485 (c_vla_type_p): Add.
5486 * c-decl.c (struct c_scope): Add had_vla_unspec.
5487 (build_array_declarator): Add support for [*].
5488 (grokdeclarator): Likewise.
5489 (grokparms): Likewise.
5490 (get_parm_info): Likewise.
5491 * c-objc-common.c (c_vla_unspec_p): Likewise.
5492 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5493 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5494 typeof when argument is a variably modified type not inside sizeof or alignof.
5495 (c_parser_direct_declarator_inner): Propagate errors.
5496 (c_parser_sizeof_expression): Add support for [*].
5497 (c_parser_parms_declarator): Initialize had_vla_unspec.
5498 (c_parser_parms_list_declarator): Likewise.
5499 * c-typeck.c (c_vla_type_p): Add.
5500 (composite_type): Add support for vla compositing.
5501 (comptypes_internal): Add support for vla compatibility.
5502 (c_expr_sizeof_expr): Evaluate vla arguments.
5503 * tree.c (variably_modified_type_p): Update comment for [*].
5505 2006-05-18 Michael Matz <matz@suse.de>
5508 * config.host: Make assignments to host_xmake_file cumulative.
5509 * config.host (*-darwin*): Test $host, not $target.
5511 2006-05-12 Stuart Hastings <stuart@apple.com>
5513 * config/i386/i386.opt (-mstackrealign): New flag.
5514 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5515 (ix86_handle_cconv_attribute): Emit error when
5516 force_align_arg_pointer attribute collides with too many regparms.
5517 (ix86_function_regparm): Limit regparms when used with
5518 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5519 Support stack-realigning prologue in non-main functions. Emit
5520 warning for nested functions under -mstackrealign, emit error for
5521 nested functions with force_align_arg_pointer attribute.
5522 * doc/extend.texi (force_align_arg_pointer): Document it.
5523 * doc/invoke.texi (-mstackrealign): Document it.
5525 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5527 PR rtl-optimization/27477
5528 * combine.c (try_combine): Don't split a parallel consisting
5529 of two sets into two individual sets if both sets reference
5532 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5534 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5535 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5537 * doc/options.texi (VarExists): Updated.
5539 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5541 * unwind-dw2.c: Add declarations for uw_update_context and
5543 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5544 detected, advance frame state and context once to skip over stub.
5546 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5550 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5551 Call rewrite_into_loop_closed_ssa only when something changed.
5552 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5553 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5554 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5555 Test for perfect_nest_p here. Fix formating.
5556 (replace_uses_equiv_to_x_with_y): Fix formating.
5557 (stmt_uses_op): Removed.
5558 (can_convert_to_perfect_nest): Removed loopivs parameter.
5559 Complete the test by checking the scalar dependences.
5560 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5563 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5566 From Dan Kegel <dank@kegel.com>:
5567 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5569 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5571 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5572 if the element type is variably modified without recursing.
5574 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5577 * tree-loop-linear.c (try_interchange_loops): Test for
5578 no data dependences.
5580 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5582 PR tree-optimization/27548
5583 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5584 range of ssa names that appear on abnormal edges.
5585 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5586 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5588 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5591 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5593 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5596 * tree.h (OMP_PARALLEL_COMBINED): Define.
5597 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5598 (new_omp_context): Add is_combined_parallel argument.
5599 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5600 new_omp_context caller.
5601 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5602 Adjust gimplify_scan_omp_clauses callers.
5603 (omp_is_private): Issue errors if iteration variable is firstprivate
5604 or reduction in the current context.
5605 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5606 on combined parallel workshare constructs.
5608 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5610 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5611 (gcc-options.o): New rule.
5613 * optc-gen.awk: Protect variables for gcc-options.o with
5614 #ifdef GCC_DRIVER/#endif.
5616 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5618 Fix PR tree-optimization/27373
5619 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5620 (forward_propagate_addr_expr): Update call.
5622 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5624 * doc/options.texi: Move the Negative option.
5626 2006-05-16 Richard Guenther <rguenther@suse.de>
5628 PR tree-optimization/22303
5629 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5631 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5632 ccp_fold did not simplify the statement.
5634 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5637 * Makefile.in (GCC_OBJS): New.
5638 (OBJS-common): Add opts-common.o.
5639 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5640 (cpp$(exeext)): Likewise.
5641 (gcc.o): Also depend on opts.h.
5642 (opts-common.o): New.
5644 * common.opt (gcoff): Add Negative(gdwarf-2).
5645 (gdwarf-2): Add Negative(gstabs).
5646 (gstabs): Add Negative(gstabs+).
5647 (gstabs+): Add Negative(gvms).
5648 (gvms): Add Negative(gxcoff).
5649 (gxcoff): Add Negative(gxcoff+).
5650 (gxcoff+): Add Negative(gcoff).
5651 * config/i386/i386.opt (m32): Add Negative(m64).
5652 (m64): Add Negative(m32).
5654 * doc/options.texi: Document the Negative option.
5656 * gcc.c: Include "opts.h".
5657 (main): Call prune_options after expandargv.
5659 * optc-gen.awk: Generate common declarations for all flag
5660 variables in options.c. Output the neg_index field.
5662 * opts.c (find_opt): Moved to ...
5663 * opts-common.c: Here. New file.
5665 * opts.h (cl_option): Add a neg_index field.
5667 (prune_options): Likewise.
5669 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5672 * omp-low.c (expand_omp_parallel): Don't assert
5673 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5674 instead search for it.
5677 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5680 2006-05-16 Andreas Schwab <schwab@suse.de>
5682 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5685 2006-05-15 Roger Sayle <roger@eyesopen.com>
5688 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5689 integer constants other than zero are only legitimate on TARGET_64BIT.
5690 <CONST_VECTOR> Only zero vectors are legitimate.
5691 (ix86_cannot_force_const_mem): Integral and vector constants can
5692 always be put in the constant pool.
5694 2006-05-16 DJ Delorie <dj@redhat.com>
5696 * crtstuff.c (__dso_handle): Set section from
5697 TARGET_LBIGCC_SDATA_SECTION if defined.
5698 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5699 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5701 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5704 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5707 2006-05-16 Ben Elliston <bje@au.ibm.com>
5709 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5711 2006-05-15 Per Bothner <per@bothner.com>
5713 * tree.c: (last_annotated_node): Use source_locus typedef.
5714 This permits bootstrapping with --enable-mapped-location.
5716 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5718 PR tree-optimization/26830
5719 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5720 (info_for_ssa_name, current_info_for_ssa_name_age,
5721 blocks_to_update): New variables.
5722 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5723 (clear_ssa_name_info, initialize_flags_in_bb,
5724 mark_block_for_update): New functions.
5725 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5726 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5727 prepare_def_site_for): Use mark_block_for_update.
5728 (mark_def_interesting): Assert that the processed block is marked in
5729 blocks_to_update. Do not take blocks argument.
5730 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5732 (rewrite_update_init_block, rewrite_update_stmt): Only process
5733 blocks with statements to rewrite.
5734 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5735 (update_ssa): Initialize and free blocks_to_update. Do not
5736 clear flags on statements. Do not use blocks bitmap.
5737 * tree.h (SSA_NAME_AUX): Removed.
5738 (struct tree_ssa_name): Removed aux field.
5739 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5741 2006-05-15 Richard Guenther <rguenther@suse.de>
5743 PR tree-optimization/27603
5744 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5745 Do computations in original type.
5747 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5749 * see.c: Code style changes such as redundant paranthesis,
5750 redundant intialization of local variables etc.
5751 (see_main): Declared now as static.
5752 * doc/invoke.texi: Update that -fsee is not enabled by
5755 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5757 * omp-low.c (check_omp_nesting_restrictions): New function.
5758 (scan_omp_1): Call it.
5761 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5762 construct, return *VAR.
5764 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5766 PR rtl-optimization/27406
5767 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5770 2006-05-14 Roger Sayle <roger@eyesopen.com>
5772 PR rtl-optimization/27538
5773 * combine.c (expand_compound_operation): Call gen_lowpart
5774 before calling simplify_shift_const.
5776 2006-05-14 Roger Sayle <roger@eyesopen.com>
5778 PR rtl-optimization/22563
5779 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5780 a fixed width bitfield, always force the intermediates into psuedos.
5782 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5785 * mkconfig.sh: Use operator = instead of == for test.
5787 2006-05-13 Nick Clifton <nickc@redhat.com>
5789 * dwarf2out.c (dbx_reg_number): Check return value from
5790 LEAF_REG_REMAP and only use it if it is valid.
5791 (multiple_reg_loc_descriptor): Likewise.
5793 2006-05-13 Richard Guenther <rguenther@suse.de>
5795 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5798 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5800 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5801 information attached to non-INSNs such as NOTEs.
5802 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5804 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5806 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5808 * config/s390/s390.md: Adjust comment describing On constraint.
5810 2006-05-11 Jan Hubicka <jh@suse.cz>
5812 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5813 to be output at -O0.
5815 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5818 * fold-const.c (size_binop): Move sanity check for arguments to
5819 the beginning of the function.
5822 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5825 2006-05-11 Richard Guenther <rguenther@suse.de>
5828 * fold-const.c (fold_unary): Handle intermediate conversion
5829 to a pointer type like intermediate conversion to an integer
5830 type in folding of (T1)(T2)var to var.
5831 Match the code to the comment in the final conversion for
5832 (T1)(T2)var to (T1)var regarding to type precision. Rather
5833 than disallow T1 being of pointer type, assert that both T1
5834 and var are of pointer type or not. Make sure not to fall
5835 over the frontends lazyness wrt array to pointer decay though.
5837 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5839 * arm.c (arm_struct_value_rtx): Delete.
5840 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5841 (arm_init_cumulative_args): Always initialize nregs to zero.
5843 2006-05-10 Richard Guenther <rguenther@suse.de>
5845 PR tree-optimization/27532
5846 * tree-object-size.c (plus_expr_object_size): Fix typo.
5848 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5851 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5852 ashrdi_const, ashrdi3): Use a scratch register.
5854 2006-05-10 Richard Guenther <rguenther@suse.de>
5856 PR tree-optimization/27302
5857 * fold-const.c (operand_equal_p): For two comparisons,
5858 try comparison of one comparison code swapped if that yields
5861 2006-05-10 Ben Elliston <bje@au.ibm.com>
5863 * tree-pretty-print.c (pretty_print_string): No need to handle
5864 '\0' as a special character.
5866 * tree.h: Include "hashtab.h".
5867 (iterative_hash_expr): Use hashval_t in its prototype.
5868 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5870 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5873 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5874 (hppa*64*-*-hpux11*): Ditto.
5875 (hppa[12]*-*-hpux11*): Ditto.
5877 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5880 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5882 2006-05-09 Michael Matz <matz@suse.de>
5884 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5885 host_extra_gcc_objs and host_xmake_file.
5886 (<*-*-linux*>): Don't overwrite host_xmake_file.
5887 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5888 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5889 (host_detect_local_cpu): Declare.
5890 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5891 * config/i386/i386.c (override_options): Handle -mtune=native
5893 * config/i386/x-i386: New file.
5894 * config/i386/driver-i386.c: New file.
5895 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5898 2006-05-09 Dirk Mueller <dmueller@suse.de>
5899 Richard Guenther <rguenther@suse.de>
5902 * fold-const.c (fold_read_from_constant_string): Relax check
5903 for matching types to matching modes.
5905 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5907 PR rtl-optimization/27335
5908 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5911 2006-05-08 Chao-ying Fu <fu@mips.com>
5912 Richard Sandiford <richard@codesourcery.com>
5914 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5915 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5916 * config/mips/mips.md (UNSPEC_SCC): New constant.
5917 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5918 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5919 (mips_emit_compare): Use it.
5920 (mips_expand_vcondv2sf): New function.
5922 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5924 Fix PR tree-optimization/27093
5925 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5926 renaming when they become not-used_alone.
5928 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5930 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5931 relocation and relocation stubs.
5933 2006-05-08 Eric Christopher <echristo@apple.com>
5935 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5938 2006-05-08 Jan Hubicka <jh@suse.cz>
5941 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5942 unused static functions are needed.
5944 2006-05-08 Roger Sayle <roger@eyesopen.com>
5947 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5948 of a reg_equiv_constant if the result is a legitimate constant.
5950 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5953 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5954 standard 80387 constants, raise the cost to prevent
5955 compress_float_constant() to generate load from memory.
5957 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5959 * config/arm/constraints.md (c): Fix a typo.
5961 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5964 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5967 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5969 (_mm_mwait): Likewise.
5971 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5973 (sse3_monitor): Make it 32bit only.
5974 (sse3_monitor64): New. 64bit monitor.
5976 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5979 * config/i386/i386.c (classify_argument): Skip fields with invalid
5982 2006-05-07 Richard Guenther <rguenther@suse.de>
5984 PR tree-optimization/27409
5985 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5986 Do not try to find zero-sized subvars.
5988 2006-05-07 Richard Guenther <rguenther@suse.de>
5990 PR tree-optimization/27136
5991 * tree-ssa-loop-niter.c (get_val_for): Correct function
5992 comment, assert requirements.
5993 (loop_niter_by_eval): Stop processing if the iterated
5994 value did not simplify.
5996 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5998 * opts.c (flag_see): remove its setting at -O3.
6000 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6002 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6003 * arm/constraints.md: New file.
6004 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6005 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6006 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6007 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6008 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6009 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6010 * arm.md: Include constraints.md.
6011 (thumb_movsi_insn): Use satisfies_constraint_J.
6012 (movhi, movqi): Use satisfies_constraint_I.
6014 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6016 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6017 for atmeg a645 device.
6019 2006-05-06 Richard Guenther <rguenther@suse.de>
6021 PR tree-optimization/27151
6022 * tree-vect-transform.c (vectorizable_condition): Punt on
6023 values that have a different type than the condition.
6025 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6028 * c-parser.c (c_parser_cast_expression): Only insert casts into
6029 hash table if pointer.
6030 * function.c (used_types_insert_helper): Rename from
6032 (used_types_insert): Call used_types_insert_helper.
6033 * function.h (used_types_insert): Accept only one argument.
6035 2006-05-05 David Edelsohn <edesohn@gnu.org>
6037 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6038 scratch with output modifier.
6040 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6043 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6044 with output modifier.
6046 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6049 * config/mips/mips.c (mips_symbolic_address_p): Return true
6050 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6051 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6053 2006-05-04 Richard Guenther <rguenther@suse.de>
6055 PR tree-optimization/14287
6056 PR tree-optimization/14844
6057 PR tree-optimization/19792
6058 PR tree-optimization/21608
6059 PR tree-optimization/27090
6060 * tree-ssa-pre.c (try_combine_conversion): New function.
6061 (compute_avail): After constructing the value-handle
6062 expression, use try_combine_conversion to combine NOP_EXPRs
6063 with previous value-handle expressions and use the result if it
6066 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6068 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6070 2006-05-04 Jan Hubicka <jh@suse.cz>
6073 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6075 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6077 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6078 that this only matches CONST_INTs. All users changed to VOIDmode
6081 * config/bfin/bfin.c: Include "optabs.h".
6082 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6084 (enum bfin_builtins): Add a number of fractional and vector builtins.
6085 (bfin_init_builtins): Likewise.
6086 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6087 (safe_vector_operand, bfin_expand_binop_builtin,
6088 bfin_expand_unop_builtin): New functions.
6089 (bfin_expand_builtin): Handle the new builtins.
6090 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6093 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6096 * Makefile.in (OBJS-common): Add see.o.
6097 (see.o): Add dependencies.
6098 * common.opt (fsee): New flag for the see optimization was added.
6099 * opts.c (flag_see): Initialized.
6100 * passes.c (init_optimization_passes, pass_see): New pass.
6101 * rtl.h (see_main): Declaration as extern.
6102 * timevar.def (TV_SEE): New.
6103 * tree-pass.h (pass_see): Declaration as extern.
6104 * invoke.texi (-fsee): Document.
6105 * recog.c (validate_simplify_insn): New function.
6106 * recog.h (validate_simplify_insn): Declaration as extern.
6107 * df-problems.c (df_chain_dump): Check for NULL.
6109 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6110 Daniel Berlin <dberlin@dberlin.org>
6112 * cfgrtl.c (insert_insn_bb_end_new): New function.
6113 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6115 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6117 * df.h (struct web_entry): Moved from web.c.
6118 (union_defs): Declaration as extern.
6119 (unionfind_root): Likewise.
6120 (unionfind_union): Likewise.
6121 * web.c (struct web_entry): Moved to df.h.
6122 (unionfind_root): Remove static declaration.
6123 (unionfind_union): Likewise.
6124 (union_defs): Likewise and generalize to use callback function.
6125 (web_main): Update arguments for union_defs function call.
6127 2006-05-04 Richard Guenther <rguenther@suse.de>
6129 PR tree-optimization/26447
6130 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6131 produce SSA_NAME copies before the store stmt to avoid
6132 breaking exception handling.
6134 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6137 * gimplify.c (omp_is_private): If var is shared in some outer context,
6138 return false instead of true. Stop searching on parallel context
6141 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6144 * coverage.c: Use get_gcov_unsigned_t() instead of
6145 unsigned_type_node all over.
6147 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6149 PR tree-optimization/27381
6150 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6151 maintain the same immediate_use links.
6152 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6153 node rather than segfaulting.
6155 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6158 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6159 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6160 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6162 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6164 Fix PR tree-optimization/26626
6165 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6167 * tree-ssa-operands.c (access_can_touch_variable): Allow
6168 typecasting through union pointers.
6170 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6173 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6174 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6175 to find if var will be a global variable even in the nested context.
6176 (omp_copy_decl): Only check for global variable at the end, it might
6177 be overridden in outer contexts.
6178 (scan_sharing_clauses): For global variables don't create a field.
6179 (lower_rec_input_clauses): Do nothing for global shared variables.
6180 Emit a barrier at the end of ILIST if there were any decls in both
6181 firstprivate and lastprivate clauses.
6182 (lower_send_clauses): Do nothing for global variables except for
6185 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6187 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6188 of the correct signedness is returned.
6190 2006-05-02 Jeff Law <law@redhat.com>
6192 PR tree-optimization/27364
6193 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6194 multiply expressions.
6196 2006-05-02 Tom Tromey <tromey@redhat.com>
6198 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6200 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6203 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6204 -mthumb -fPIC are used.
6206 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6207 Joshua Kinard <kumba@gentoo.org>
6210 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6211 with 64-bit pointers.
6213 2006-05-02 Paul Brook <paul@codesourcery.com>
6215 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6217 (create_fix_barrier): Check that a suitable barrier location is
6219 (arm_reorg): Include ftmp->address in allowable range of addresses.
6221 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6224 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6227 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6230 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6231 around RESULT_DECL for result passed by reference.
6232 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6233 * omp-low.c (use_pointer_for_field): Don't look at
6234 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6235 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6236 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6237 time or var for passing by reference for
6238 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6239 TREE_ADDRESSABLE variables when passing by reference.
6241 * omp-low.c (dump_omp_region): Fix output formatting.
6244 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6245 (expand_omp_parallel): Likewise.
6246 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6249 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6250 on statement list containing also constructors and destructors.
6251 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6254 * except.c (duplicate_eh_regions): Fix clearing of
6255 cfun->eh->region_array entries.
6257 2006-05-01 DJ Delorie <dj@redhat.com>
6259 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6261 (gcc_cv_objdump): Likewise.
6262 * configure: Regenerated.
6264 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6267 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6268 templates for case 3 and 4.
6270 2006-05-01 DJ Delorie <dj@redhat.com>
6272 * vec.c: Include bconfig.h when appropriate.
6273 * Makefile.in (build/vec.o): Adjust dependencies.
6274 * mkconfig.sh: Make sure config.h isn't used for build machine
6277 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6279 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6281 (mark_phi_for_rewrite): New function.
6282 (insert_phi_nodes_for, mark_use_interesting): Call
6283 mark_phi_for_rewrite.
6284 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6285 (update_ssa): Initialize and free phis_to_rewrite.
6287 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6289 PR rtl-optimization/27291
6290 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6291 folded to a constant.
6293 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6295 PR tree-optimization/27283
6296 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6297 not whole # of iteration descriptions.
6298 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6299 uses abnormal ssa name.
6300 (niter_for_single_dom_exit): Ditto.
6301 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6302 return just the number of iterations.
6304 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6306 PR tree-optimization/27144
6307 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6308 (record_estimate): Only record constant upper bound.
6309 (infer_loop_bounds_from_undefined): Call
6310 compute_estimated_nb_iterations just once.
6311 (proved_non_wrapping_p): Renamed to ...
6312 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6313 (convert_step_widening, scev_probably_wraps_p): Call
6314 n_of_executions_at_most instead of proved_non_wrapping_p.
6315 (substitute_in_loop_info): Do not replace values in bounds.
6316 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6319 2006-05-01 Richard Henderson <rth@redhat.com>
6322 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6323 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6326 2006-05-01 Roger Sayle <roger@eyesopen.com>
6328 * c-typeck.c (parser_build_binary_op): Don't call the function
6329 unsigned_conversion_warning to spot operand/result type overflow.
6330 (build_binary_op): Instead, call convert_and_check instead of
6331 convert to report the problem when the operands are promoted.
6332 * c-common.c (unsigned_conversion_warning): Make static.
6333 * c-common.h (unsigned_conversion_warning): Delete prototype.
6335 2006-05-01 Richard Guenther <rguenther@suse.de>
6337 PR tree-optimization/26726
6338 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6340 (find_interesting_uses_address): ... we work around here
6341 by folding INDIRECT_REFs in the substituted base.
6343 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6345 * omp-low.c (dump_omp_region): Add newlines.
6347 2006-04-30 Roger Sayle <roger@eyesopen.com>
6349 * common.opt (Woverflow): New command line option.
6350 * c-common.c (constant_expression_warning): Check warn_overflow.
6351 (overflow_waring): Pass OPT_Woverflow to warning.
6352 (unsigned_conversion_warning): Likewise.
6353 (convert_and_check): Likewise.
6354 * doc/invoke.texi: Document new command line option.
6356 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6358 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6359 TARGET_NO_FP_IN_TOC for section anchors.
6360 (optimization_options): Enable section anchors for all
6361 non-"Objective" languages.
6363 2006-04-28 Eric Christopher <echristo@apple.com>
6365 * config/darwin-c.c (darwin_ms_struct): Move this
6366 (darwin_set_default_type_attributes): and this...
6367 * config/darwin.c: ... here.
6368 * config/darwin.h (darwin_ms_struct): Declare.
6370 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6372 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6374 2006-04-28 Roger Sayle <roger@eyesopen.com>
6377 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6378 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6379 an unsigned HOST_WIDE_INT.
6380 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6382 (really_start_incremental_init): No need to call convert because
6383 bitsize_zero_node is already of type bitsizetype.
6384 (push_init_level): Extract the value of constructor_index as an
6385 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6386 (process_init_element): Likewise.
6388 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6390 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6391 value before passing to make_relative_prefix.
6393 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6396 * builtins.c (expand_builtin_memset): Expand val in original mode.
6398 2006-04-27 Eric Christopher <echristo@apple.com>
6400 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6401 with #ifndef/#endif.
6402 * config/darwin-c.c (darwin_ms_struct): New.
6403 (darwin_pragma_ms_struct): Ditto.
6404 (darwin_set_default_type_attributes): Ditto.
6405 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6406 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6407 Register ms_struct pragma.
6408 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6409 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6410 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6411 darwin_set_default_type_attributes if TARGET_MACHO.
6413 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6415 PR tree-optimization/26854
6416 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6417 * doc/tree-ssa.texi: Update immuse iterator documentation.
6418 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6419 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6420 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6421 first_safe_imm_use, next_safe_imm_use): Remove.
6422 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6423 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6424 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6425 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6426 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6427 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6428 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6429 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6430 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6431 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6432 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6433 (perfect_nestify): Use new iterator.
6434 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6436 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6437 (next_imm_name): New field in struct immediate_use_iterator_d.
6438 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6439 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6440 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6441 * tree-cfg.c (replace_uses_by): Use new iterator.
6442 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6443 * tree-ssa-operands.c (correct_use_link): Remove.
6444 (finalize_ssa_use_ops): No longer call correct_use_link.
6446 2006-04-27 Stuart Hastings <stuart@apple.com>
6448 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6449 * config/t-darwin (crt3.o): Use it.
6450 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6451 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6452 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6453 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6454 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6457 2006-04-27 Roger Sayle <roger@eyesopen.com>
6459 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6460 size, force the intermediate into a new pseudo rather instead of
6461 performing both a bitwise AND and a bitwise IOR in memory.
6463 2006-04-27 Richard Guenther <rguenther@suse.de>
6465 PR rtl-optimization/26685
6466 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6467 this one "max-flow-memory-locations".
6469 2006-04-27 Richard Guenther <rguenther@suse.de>
6471 PR tree-optimization/25148
6472 * tree-vrp.c (compare_values): Remove code dealing with
6473 comparisons against type min/max value. Honour overflow
6474 and negative constants in code dealing with comparisons
6475 of plus and minus expressions.
6476 (value_inside_range): Use fold_binary with LE_EXPR and
6477 GE_EXPR rather than compare_values.
6479 2006-04-27 Dirk Mueller <dmueller@suse.de>
6481 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6484 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6486 * basic-block.h (safe_insert_insn_on_edge): Removed.
6487 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6489 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6490 Paolo Bonzini <bonzini@gnu.org>
6493 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6494 (simplify_and_const_int): Same.
6496 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6498 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6500 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6503 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6504 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6505 cgraph_global_info_ready.
6508 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6511 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6512 either decl or init is error_mark_node.
6515 * tree-flow.h (struct omp_region): Add sched_kind.
6516 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6517 instead of extracting omp for data.
6518 (expand_omp_for): Save extracted sched_kind.
6520 2006-04-25 Roger Sayle <roger@eyesopen.com>
6522 * expmed.c (store_bit_field): Also check whether the bitsize is
6523 valid for the machine's "insv" instruction before moving the
6524 target into a pseudo for use with the insv.
6525 * config/i386/predicates.md (const8_operand): New predicate.
6526 * config/i386/i386.md (extv, extzv, insv): Use the new
6527 const8_operand predicate where appropriate.
6529 2006-04-25 DJ Delorie <dj@redhat.com>
6531 * doc/install.texi (Specific): Clarify that this is not a list of
6532 supported hosts or targets.
6534 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6536 PR rtl-optimization/26725
6537 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6538 block's BB_DIRTY flag.
6540 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6542 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6545 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6546 to print an integer.
6548 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6550 * varasm.c (align_variable): New function.
6551 (get_block_for_decl): Apply align_variable to DECL before
6552 calculating section information.
6553 (assemble_variable): Split out alignment computation.
6555 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6557 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6560 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6562 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6563 MODE_PARTIAL_INT mode.
6564 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6565 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6567 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6568 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6570 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6572 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6574 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6575 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6576 MACFLAG_IH): Likewise.
6577 (movstricthi_1): Renamed from "*movstricthi".
6578 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6579 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6580 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6581 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6582 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6583 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6584 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6585 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6586 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6587 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6588 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6589 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6590 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6591 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6592 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6594 * doc/rtl.texi (ss_ashift): Improve wording.
6596 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6598 * dwarf2out.c (verify_marks_clear): New.
6599 (prune_unused_types): Call verify_marks_clear initially, not
6602 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6604 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6605 * doc/rtl.texi: Document them.
6606 * simplify-rtx.c (simplify_unary_operation,
6607 simplify_binary_operation_1): Don't abort when we see them.
6609 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6612 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6613 * configure.ac: Completely disregard languages that are not
6615 * configure: Regenerated.
6617 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6618 Richard Guenther <rguenther@suse.de>
6620 PR tree-optimization/27236
6621 * tree-inline.c (copy_body_r): Make sure to copy
6622 TREE_THIS_VOLATILE flag.
6624 2006-04-24 Richard Guenther <rguenther@suse.de>
6627 * tree-complex.c (update_parameter_components): Don't handle
6628 unused parameters which have no default def.
6630 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6631 Richard Guenther <rguenther@suse.de>
6633 PR tree-optimization/27218
6634 * tree-inline.c (expand_call_inline): Strip useless type
6635 conversions for the return slot address.
6637 2006-04-24 Richard Guenther <rguenther@suse.de>
6639 * cfgloop.h (struct loops): Remove unused field array. Reorder
6641 (LOOP_PREFETCH): Remove.
6643 2006-04-24 Richard Guenther <rguenther@suse.de>
6645 PR tree-optimization/22525
6646 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6647 variable, adjust types of generated expressions.
6649 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6651 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6652 (tree-vect-patterns.o): Likewise.
6654 (cselib.o): Likewise.
6655 (loop-doloop.o): Likewise.
6656 (regclass.o): Likewise.
6657 (reload1.o): Likewise.
6658 (explow.o): Replace target.h with $(TARGET_H).
6659 (ipa-prop.o): Likewise.
6660 (ipa-cp.o): Likewise.
6661 (ipa-inline.o): Likewise.
6662 (reorg.o): Likewise.
6663 (reg-stack.o): Likewise.
6665 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6667 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6669 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6671 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6673 * configure.ac: Completely disregard languages that are not
6675 * configure: Regenerated.
6678 * c-common.h (c_build_bitfield_integer_type): Declare.
6679 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6680 * c-common.c (c_build_bitfield_integer_type): ... here.
6682 2006-04-23 Roger Sayle <roger@eyesopen.com>
6685 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6686 a SImode SUBREG of a floating point register after no_new_pseudos.
6688 2006-04-23 Roger Sayle <roger@eyesopen.com>
6690 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6691 identify potentially eliminable registers to additionally catch
6692 VIRTUAL_INCOMING_ARGS_REGNUM.
6693 (addsi3): Update the conditions on when to use addsi_small_int.
6695 2006-04-23 Roger Sayle <roger@eyesopen.com>
6698 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6699 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6700 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6702 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6704 * fold-const.c (range_predecessor): Use operand_equal_p
6705 as the predicate for equality.
6706 (range_successor): Likewise.
6708 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6711 * config/soft-fp/op-common.h: Fix a typo.
6713 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6716 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6717 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6719 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6721 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6723 * doc/tm.texi: Fix a typo.
6725 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6727 * dwarf2out.c (struct die_struct): Document that die_sib makes
6728 a circular linked list.
6729 (FOR_EACH_CHILD): New.
6730 (reverse_die_lists): Delete.
6731 (reverse_all_dies): Delete.
6732 (add_dwarf_attr): Correct documentation.
6733 (remove_child_with_prev): New.
6734 (remove_child_TAG): Update for change to die_struct, use
6735 remove_child_with_prev.
6736 (add_child_die): Update for change to die_struct.
6737 (splice_child_die): Use remove_child_with_prev and add_child_die.
6738 (print_die): Use FOR_EACH_CHILD.
6739 (die_checksum): Likewise.
6740 (assign_symbol_names): Likewise.
6741 (output_location_lists): Likewise.
6742 (build_abbrev_table): Likewise.
6743 (calc_die_sizes): Likewise.
6744 (mark_dies): Likewise.
6745 (unmark_dies): Likewise.
6746 (unmark_all_dies): Likewise.
6747 (output_die): Likewise.
6748 (prune_unused_types_mark): Likewise.
6749 (prune_unused_types_walk): Likewise.
6750 (same_die_p): Update for change to die_struct.
6751 (break_out_includes): Likewise.
6752 (prune_unused_types_prune): Likewise.
6753 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6754 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6756 (dwarf2out_finish): Don't call reverse_all_dies.
6758 2006-04-21 Eric Christopher <echristo@apple.com>
6760 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6761 in comments and function names.
6763 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6766 * c-typeck.c (digest_init): Robustify.
6768 * c-typeck.c (pop_init_level): Simplify.
6770 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6772 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6774 2006-04-21 Paul Brook <paul@codesourcery.com>
6776 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6777 hardware floating point.
6779 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6781 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6784 2006-04-21 Nick Clifton <nickc@redhat.com>
6786 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6789 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6792 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6793 C++ lang type in traceback table for Objective-C++.
6795 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6797 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6799 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6801 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6804 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6805 were errors. Remove check for erroneous objects.
6807 2006-04-20 Jeff Law <law@redhat.com>
6809 PR tree-optimization/26854
6810 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6811 checking for zero or one use.
6812 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6813 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6814 * tree-ssa-reassoc.c (negate_value): Similarly.
6815 (reassociate_bb): Similarly.
6817 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6819 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6820 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6821 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6823 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6825 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6826 fp regs if the last fp arg doesn't fit in regs.
6828 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6831 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6832 that the last insn has the REG_INC note.
6834 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6835 Nathan Sidwell <nathan@codesourcery.com>
6838 * stor-layout.c (update_alignment_for_field): Do not align
6840 (place_union_field): Place union field at the start of the union.
6841 (place_field): Move ERROR_MARK check later, and use the current
6842 allocation position to maintain monotonicity.
6844 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6846 * dominance.c: Include timevar.h.
6847 (calculate_dominance_info): Use TV_DOMINANCE.
6848 * timevar.def (TV_DOMINANCE): New timevar.
6849 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6851 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6853 PR rtl-optimization/14261
6854 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6855 move would be an INSV insn.
6856 (noce_process_if_block): Don't optimize if the destination is a
6857 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6859 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6861 * config/s390/s390.md: Add comments with the instructions emitted
6862 by an insn pattern if macros are used.
6864 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6866 PR rtl-optimization/26026
6867 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6868 is a known power of two shifted left a variable amount.
6870 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6872 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6873 to hash table twice when the debug_str section has SECTION_MERGE.
6875 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6877 * config/soft-fp: New directory. From glibc.
6878 * config/soft-fp/t-softfp: New.
6879 * config/soft-fp/README: New.
6880 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6881 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6882 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6883 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6884 * config.gcc: Use rs6000/t-fprules-fpbit or
6885 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6887 * config/rs6000/sfp-machine.h: New. Based on glibc.
6888 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6890 * config/rs6000/t-fprules: Remove fp-bit rules.
6891 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6892 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6893 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6894 (softfp_wrap_start, softfp_wrap_end): New.
6896 2006-04-18 DJ Delorie <dj@redhat.com>
6898 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6900 2006-04-18 Devang Patel <dpatel@apple.com>
6902 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6904 2006-04-18 Nick Clifton <nickc@redhat.com>
6906 * config/sh/t-symbian: Add rule to build sh-c.o
6907 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6908 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6909 (sh_symbian_encode_section_info): Likewise.
6911 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6913 * builtins.c (expand_builtin_strcmp): Cover label definition of
6914 do_libcall with HAVE_cmpstrnsi.
6916 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6918 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6920 * function.h (temp_slot_p): New.
6921 (function): Change the type of x_used_temp_slots to
6922 VEC(temp_slot_p,gc) *.
6924 2006-04-18 Nick Clifton <nickc@redhat.com>
6926 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6927 flag_strength_reduce.
6929 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6931 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6935 Partial revert of revision 112637
6936 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6937 Dale Johannesen <dalej@apple.com>
6940 * regclass.c (struct reg_pref): Update documentation.
6941 (regclass): Set prefclass to NO_REGS if memory is the best option.
6942 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6944 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6946 PR tree-optimization/26821
6947 * tree-ssa-math-opts.c (get_constant_one): New.
6948 (insert_reciprocals): Use it.
6950 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6952 * dwarf2out.c (free_AT): Delete.
6953 (remove_AT): Update string ref counts.
6954 (remove_child_TAG): Don't call free_die.
6956 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6957 or DW_TAG_GNU_EINCL.
6958 (prune_unused_types_walk_attribs): Reset string refcounts.
6959 (prune_unused_types_update_strings): New.
6960 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6961 call free_die. Do call prune_unused_types_update_strings.
6962 (prune_unused_types): Empty debug_str_hash.
6964 2006-04-17 Roger Sayle <roger@eyesopen.com>
6966 * expr.c (expand_assignment): Optimize away no-op moves where the
6967 source and destination are equal and have no side-effects.
6969 2006-04-17 Richard Guenther <rguenther@suse.de>
6972 * reload.c (push_reload): Guard calls to get_secondary_mem
6975 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6977 * alias.c (reg_base_value, old_reg_base_value): Change the
6978 type to VEC(rtx,gc) *.
6979 (REG_BASE_VALUE, find_base_value, record_set,
6980 init_alias_analysis): Use VEC instead of VARRAY.
6982 * alias.c (alias_sets): Change the type to
6983 VEC(alias_set_entry,gc) *.
6984 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6985 VEC instead of VARRAY.
6986 (last_alias_set): Remove.
6988 * cgraph.h (cgraph_edge_p): New.
6989 Update the prototype of cgraph_function_versioning.
6990 * cgraphunit.c (cgraph_copy_node_for_versioning,
6991 cgraph_function_versioning): Use VEC instead of VARRAY.
6992 * ipa-cp.c (ipcp_insert_stage): Likewise.
6994 2006-04-16 Roger Sayle <roger@eyesopen.com>
6997 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6998 "A op B" or "A op C", we may need to convert A to the type of B and C.
7000 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7002 * target.h (struct gcc_target): Add mode_rep_extended.
7003 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7004 (init_num_sign_bit_copies_in_rep): Initialize it using
7006 (truncate_to_mode): Use it.
7007 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7008 * targhooks.h (default_mode_rep_extended): Declare it.
7009 * targhooks.c (default_mode_rep_extended): Define it.
7010 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7011 default_mode_rep_extended.
7012 (TARGET_INITIALIZER): Include it.
7013 * doc/tm.texi (Misc): Document it.
7014 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7015 (mips_truncated_to_mode): New function.
7017 2006-04-16 Roger Sayle <roger@eyesopen.com>
7020 * expr.c (compress_float_constant): Copy the narrow constant into
7021 a new pseudo before extending it to its final width.
7023 2006-04-16 Roger Sayle <roger@eyesopen.com>
7024 Andrew Pinski <pinskia@gcc.gnu.org>
7025 Dale Johannesen <dalej@apple.com>
7028 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7029 special case code to implement V8HImode and V16QImode with SSE2.
7031 2006-04-15 Roger Sayle <roger@eyesopen.com>
7033 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7034 trees are constructed with a suitable tree type.
7036 2006-04-15 Roger Sayle <roger@eyesopen.com>
7038 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7039 (integer_onep): Likewise.
7040 (integer_all_onesp): Likewise.
7041 (integer_pow2p): Likewise.
7042 (integer_nonzerop): Likewise.
7043 (real_zerop): Likewise.
7044 (real_onep): Likewise.
7045 (real_twop): Likewise.
7046 (real_minus_onep): Likewise.
7047 (int_size_in_bytes): Likewise.
7048 (host_integerp): Likewise.
7050 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7052 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7053 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7054 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7056 * tree-ssa-structalias.h (alias_info): Remove num_references.
7058 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7060 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7061 (output_bvb patterns): Likewise.
7062 * pa.c (output_bb): Use 'bb' insn for long branch case.
7063 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7064 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7065 1. Correct length operand for alternatives 1 and 2.
7066 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7067 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7069 2006-04-14 Roger Sayle <roger@eyesopen.com>
7071 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7072 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7073 were accidentally reverted by r112959.
7075 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7078 * except.h (eh_region_outermost): New prototype.
7079 * except.c (eh_region_outermost): New function.
7080 * tree-cfg.c (find_outermost_region_in_block): Use it.
7082 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7084 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7086 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7087 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7088 (init_reload, reload): Use VEC instead of VARRAY.
7089 * reload.h: Update the prototype for
7090 reg_equiv_memory_loc_varray.
7092 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7093 Eric Botcazou <ebotcazou@libertysurf.fr>
7095 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7098 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7101 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7102 to expand fallback builtin function call.
7104 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7107 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7108 and emit libcall here in case the builtin fails.
7109 (expand_builtin_strcmp): Always emit the libcall here on failure.
7111 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7113 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7114 * flow.c (reg_n_info): Change the type to
7115 VEC(reg_info_p,heap) *.
7116 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7118 * regs.h (reg_info_p): New.
7119 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7120 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7121 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7124 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7126 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7128 * params.h (MAX_SCHED_READY_INSNS): New macro.
7129 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7130 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7131 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7132 the ready list for 1 cycle during the first scheduling pass.
7133 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7135 2006-04-13 Richard Henderson <rth@redhat.com>
7138 * gimple-low.c (lower_omp_directive): Remove dead code.
7139 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7140 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7141 * omp-low.c (struct omp_region): Move to tree-flow.h.
7142 (root_omp_region): Export.
7143 (omp_regions, lookup_omp_region): Remove.
7144 (determine_parallel_type): Update for struct omp_region changes.
7145 (dump_omp_region): Dump regions with block numbers.
7146 (new_omp_region): Take type and block instead of stmt; malloc
7148 (free_omp_region_1, free_omp_regions): New.
7149 (expand_parallel_call): Take entry_stmt as argument; update for
7150 changes to omp_region.
7151 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7152 (remove_exit_barriers): New.
7153 (expand_omp_parallel): Update for struct omp_region changes.
7154 (expand_omp_synch): Likewise.
7155 (expand_omp): Likewise.
7156 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7157 (expand_omp_for_static_chunk): Likewise.
7158 (expand_omp_for): Likewise.
7159 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7160 (expand_omp_sections): Similarly, with GOMP_sections_end.
7161 (expand_omp_single): New.
7162 (build_omp_regions_1): Update for OMP_CONTINUE.
7163 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7164 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7165 OMP_SECTIONS_SECTIONS.
7166 (lower_omp_single_simple): Don't emit barrier here.
7167 (lower_omp_single_copy): Likewise.
7168 (lower_omp_single): Fix bindings, and lower to straightline now.
7169 (lower_omp_master, lower_omp_ordered): Likewise.
7170 (lower_omp_critical): Likewise.
7171 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7172 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7173 omp edges, free it afterward.
7174 (make_omp_sections_edges): Remove.
7175 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7176 (move_stmt_r): Handle OMP_CONTINUE.
7177 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7178 statement pointers to basic blocks. Add type member.
7179 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7180 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7181 * tree-inline.c (estimate_num_insns_1): Likewise.
7182 * tree-pretty-print.c (dump_generic_node): Likewise.
7183 * tree-ssa-operands.c (get_expr_operands): Likewise.
7184 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7185 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7186 (OMP_CONTINUE): New.
7187 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7188 (OMP_SECTIONS_SECTIONS): Remove.
7189 (OMP_SECTION_LAST): New.
7190 (OMP_RETURN_NOWAIT): New.
7192 2006-04-13 Roger Sayle <roger@eyesopen.com>
7194 * fold-const.c (native_encode_vector, native_interpret_real):
7195 Correct obvious mistakes in the previous check-in.
7197 2006-04-13 Roger Sayle <roger@eyesopen.com>
7199 * fold-const.c (native_encode_expr): New function to encode
7200 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7201 or VECTOR_CST into a specified buffer.
7202 (native_encode_int): New function.
7203 (native_encode_real): New function.
7204 (native_encode_complex): New function.
7205 (native_encode_vector): New function.
7206 (native_interpret_expr): Inverse of native_encode_expr to convert
7207 a target representation into an INTEGER_CST, REAL_CST etc...
7208 (native_interpret_int): New function.
7209 (native_interpret_real): New function.
7210 (native_interpret_complex): New function.
7211 (native_interpret_vector): New function.
7212 (fold_view_convert_expr): New function to constant fold/evaluate
7213 a VIEW_CONVERT_EXPR of a suitable constant expression.
7214 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7215 Change call of build1 to fold_build1 when constructing a
7218 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7219 Ulrich Weigand <uweigand@de.ibm.com>
7222 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7225 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7228 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7229 optimize to lo_sum for DFmode if !TARGET_FPRS.
7231 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7233 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7234 delete_alias_info, compute_flow_sensitive_aliasing,
7235 group_aliases): Use VEC instead of VARRAY.
7236 * tree-ssa-structalias.c (update_alias_info): Likewise.
7237 * tree-ssa-structalias.h (alias_info): Change the type of
7238 processed_ptrs to VEC(tree,heap) *.
7240 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7243 * config/sh/lib1funcs.h: New file, broken out of:
7244 * config/sh/lib1funcs.asm.
7245 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7247 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7248 * config/sh/lib1funcs-Os-4-200.asm: New file.
7249 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7250 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7251 (EXTRA_MULTILIB_PARTS): Include it.
7252 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7253 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7254 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7255 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7258 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7260 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7261 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7262 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7264 * tree-ssa-live.h: Include vecprim.h.
7265 (tree_partition_associator_d): Change the type of
7266 first_partition to VEC(int,heap) *.
7267 (tpa_first_partition): Use VEC instead of VARRAY.
7269 * Makefile.in (GTFILES): Move functions.h after tree.h.
7270 * function.c (reset_block_changes, record_block_change,
7271 check_block_change, free_block_changes): Use VEC instead of
7273 * function.h (function): Change the type of
7274 ib_boundaries_block to VEC(tree,gc) *.
7275 * tree-inline.c (copy_cfg_body): Initialize
7276 ib_boundaries_block to NULL instead of (varray_type) 0.
7278 2006-04-12 Roger Sayle <roger@eyesopen.com>
7280 * expr.c (emit_group_store): Correct operand order in call to
7281 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7282 a SUBREG_BYTE of zero.
7284 2006-04-12 Richard Guenther <rguenther@suse.de>
7286 * profile.c (compute_branch_probabilities): Remove code
7287 encapsulated in !ir_type (), which are remanents of the
7288 removed RTL profiling code.
7289 * rtl-profile.c: Remove.
7291 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7293 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7294 magic NULL_RTX comment.
7295 (function_arg): Store entire fp arg to mem if any part should go
7297 (rs6000_arg_partial_bytes): Adjust for above change.
7299 2006-04-11 Roger Sayle <roger@eyesopen.com>
7301 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7302 if it hasn't been initialized by dwarf2out_init.
7304 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7306 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7307 symbolic constants in branch patterns.
7309 2006-04-11 Roger Sayle <roger@eyesopen.com>
7311 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7313 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7315 PR rtl-optimization/27073
7316 * gcse.c (try_replace_reg): Revert last change. Continue to search
7317 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7320 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7322 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7323 aggregate types other than record and union types.
7324 (function_arg): Likewise.
7325 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7327 (function_value): In 64-bit mode, return objects that require it
7330 2006-04-11 Roger Sayle <roger@eyesopen.com>
7332 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7334 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7336 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7338 2006-04-03 Jeff Law <law@redhat.com>
7341 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7342 alias information too.
7344 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7346 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7348 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7351 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7352 (premark_used_types_helper): New.
7353 (premark_used_types): New.
7354 (gen_subprogram_die): Call premark_used_types.
7355 (prune_unused_types_walk): Do not prune perennial dies.
7356 * function.c (used_types_insert): New.
7357 * function.h (struct function): Add used_types_hash field.
7358 (used_types_insert): Add prototype.
7359 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7360 * c-parser.c (c_parser_cast_expression): Save casted types in used
7363 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7366 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7367 rs6000_explicit_options.float_gprs.
7369 2006-04-10 Roger Sayle <roger@eyesopen.com>
7371 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7372 from ix86_expand_vector_init_low_nonzero. Take an additional
7373 one_var argument indicating which element is non-zero. Support
7374 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7375 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7376 with one_var instead of ix86_expand_vector_init_low_nonzero.
7378 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7380 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7381 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7382 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7383 build/genextract.o): Depend on vecprim.h.
7384 * cfglayout.c, df-problems.c, function.c, genextract.c,
7385 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7386 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7390 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7392 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7393 Declare VECs of this type.
7394 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7395 (remove_children): Delete.
7396 (add_dwarf_attr): Use VEC routines.
7397 (add_AT_flag): Update for changes to add_dwarf_attr.
7398 (add_AT_int): Likewise.
7399 (add_AT_unsigned): Likewise.
7400 (add_AT_long_long): Likewise.
7401 (add_AT_vec): Likewise.
7402 (add_AT_string): Likewise.
7403 (add_AT_die_ref): Likewise.
7404 (add_AT_fde_ref): Likewise.
7405 (add_AT_loc): Likewise.
7406 (add_AT_loc_list): Likewise.
7407 (add_AT_addr): Likewise.
7408 (add_AT_lbl_id): Likewise.
7409 (add_AT_lineptr): Likewise.
7410 (add_AT_macptr): Likewise.
7411 (add_AT_offset): Likewise.
7412 (add_AT_range_list): Likewise.
7413 (get_AT): Use VEC_iterate.
7414 (remove_AT): Use VEC_ordered_remove.
7415 (free_die): Fold remove_children into here; have it use VEC_iterate.
7416 (print_die): Use VEC_iterate on attrs.
7417 (reverse_die_lists): Don't reverse attr lists.
7418 (die_checksum): Use VEC_iterate on attrs.
7419 (same_die_p): Likewise.
7420 (output_location_lists): Likewise.
7421 (build_abbrev_table): Likewise.
7422 (size_of_die): Likewise.
7423 (unmark_all_dies): Likewise.
7424 (output_abbrev_section): Likewise.
7425 (output_die): Likewise.
7426 (prune_unused_types_walk_attribs): Likewise.
7428 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7430 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7432 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7435 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7437 2006-04-09 Roger Sayle <roger@eyesopen.com>
7439 * expr.c (store_constructor): Don't bother clearing target if
7440 we're about to assign a vector to it using vec_init_optab.
7442 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7444 * tree-ssa-alias.c (lhs_may_store_to): New function.
7445 (recalculate_used_alone): Handle LHS of calls.
7447 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7451 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7452 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7453 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7454 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7455 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7456 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7457 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7458 stubs. Add ".align 8" directives before all ".dword" directives.
7459 (GTHREAD_USE_WEAK): Revise comment.
7460 (TARGET_ATTRIBUTE_WEAK): Define.
7461 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7462 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7463 * stublib.c: New file.
7468 * pa.md (cbranch patterns): Revise arguments used in calls to
7469 output_cbranch, output_bb and output_bvd. Add long branch length
7471 (fbranch patterns): Handle long branches.
7472 (jump): Revise length check. Revise arguments for output_lbranch call.
7473 Add long branch length attributes.
7474 (decrement_and_branch_until_zero): Add long branch length attributes.
7475 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7476 Likewise. Revise arguments for output_parallel_addb and
7477 output_parallel_movb calls.
7478 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7479 output_parallel_movb and output_parallel_addb): Update prototypes.
7480 * pa.c (output_cbranch): Revise arguments. Correct handling of
7481 nullification in long branches.
7482 (output_lbranch): Add new argument to control extraction of delay
7484 (output_bb): Handle long branches.
7485 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7486 output_parallel_addb): Likewise.
7488 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7490 PR rtl-optimization/27073
7491 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7494 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7496 * tree.h (tree_memory_tag): Add old_used_alone.
7497 (SMT_OLD_USED_ALONE): New macro.
7498 * tree-ssa-alias.c (recalculate_used_alone): Stop
7499 marking things for renaming unnecessarily.
7501 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7503 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7504 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7505 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7506 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7507 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7508 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7509 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7510 spelling convensions.
7511 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7512 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7513 typos. Follow spelling conventions.
7515 2006-04-07 DJ Delorie <dj@redhat.com>
7517 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7518 passed on the stack.
7519 (m32c_init_cumulative_args): When a function returns a structure,
7520 always pass the pointer to that return area on the stack.
7521 (m32c_function_arg_advance): Don't increment the parameter number
7522 if we're processing the returned structure pointer.
7523 (pushm_info): Reverse order of registers.
7525 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7527 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7528 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7529 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7530 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7532 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7533 chrec_fold_multiply): Same.
7534 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7535 force_expr_to_var_cost): Same.
7536 * tree-mudflap.c (mf_xform_derefs_1): Same.
7537 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7539 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7541 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7542 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7545 2006-04-07 Jan Hubicka <jh@suse.cz>
7547 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7549 2006-04-07 Richard Guenther <rguenther@suse.de>
7551 PR tree-optimization/26135
7552 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7553 loads for store copy-prop.
7554 (copy_prop_visit_stmt): Likewise.
7556 2006-04-05 Robert Millan <robertmh@gnu.org>
7558 * config/i386/linux.h: Add a comment to mark macros that are
7559 being overriden in config/k*bsd-gnu.h.
7560 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7562 * config/knetbsd-gnu.h: Ditto.
7564 2006-04-06 Jan Hubicka <jh@suse.cz>
7568 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7571 2006-04-06 Mike Stump <mrs@apple.com>
7573 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7574 for HAVE_nonlocal_goto to be consistent.
7575 (expand_builtin_nonlocal_goto): Likewise.
7576 (expand_builtin_strcmp): Use #ifdef instead of #if
7577 for HAVE_cmpstrnsi to be consistent.
7579 2006-04-05 DJ Delorie <dj@redhat.com>
7581 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7584 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7586 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7587 got-relative addressing for anything but SImode.
7589 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7590 even if the calling function doesn't modify them.
7592 2006-04-05 Richard Guenther <rguenther@suse.de>
7594 PR tree-optimization/26919
7595 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7596 to cgraph_estimate_size_after_inlining.
7598 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7600 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7602 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7604 PR tree-optimization/26996
7605 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7606 VECTOR_TYPE variables.
7608 2006-04-05 Richard Guenther <rguenther@suse.de>
7610 PR tree-optimization/26763
7611 * fold-const.c (fold_comparison): Move folding of
7612 PTR + CST CMP PTR + CST ...
7613 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7615 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7617 * doc/install.texi (Prerequisites): Refine some wording on
7618 bootstrapping and ksh.
7619 Move the version numbers of DejaGnu here from the testing section
7620 and fix casing of names.
7621 Fix markup and clarify wording for autogen requirements.
7622 Refer to GCJ instead of just java.
7623 Refer to SVN instead of CVS.
7624 Describe diffutils as useful instead of necessary.
7625 (Downloading the source): Refer to SVN instead of CVS.
7626 Adjust a link to our web site accordingly.
7627 (Configuration): Fix casing of Bison.
7628 (Building): Refer to SVN instead of CVS.
7629 Fix a sentence on the use of Bison and remove duplicate (and
7630 incorrect) version number of Bison requirement.
7631 Remove one redundant list of packages needed for building.
7632 (Specific): Avoid reference to CVS.
7634 2006-04-04 Eric Christopher <echristo@apple.com>
7636 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7637 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7638 (rs6000_handle_struct_attribute): New.
7639 (rs6000_ms_bitfield_layout_p): Ditto.
7641 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7643 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7644 NULL for dso parameter to atexit_common.
7646 2006-04-04 Eric Christopher <echristo@apple.com>
7648 * config/i386/i386.c (machopic_output_stub): Output \t
7649 between instructions and operands.
7651 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7653 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7654 satisfies_constraint_[IL] to explicit tests on value.
7656 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7658 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7659 set_nb_iterations_in_loop): Use build_int_cst instead of
7661 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7662 build_int_cst instead of convert.
7664 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7666 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7667 new value 2 for incoming.
7668 * function.c (expand_function_start): Call struct_value_rtx
7670 * config/sparc/sparc.md: Comment updated_return.
7671 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7672 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7673 struct return if sparc_std_struct_return and incoming is 2.
7674 (print_operand): Do not adjust return if
7675 sparc_std_struct_return.
7677 2006-04-04 Roger Sayle <roger@eyesopen.com>
7679 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7680 convert in the middle-end.
7681 * expr.c (store_expr, store_constructor, get_inner_reference,
7682 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7684 * tree.c (build_range_type): Likewise.
7686 2006-04-04 Tom Tromey <tromey@redhat.com>
7688 * doc/install.texi (Prerequisites): Mention jar.
7690 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7692 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7695 2006-04-04 Matthias Klose <doko@debian.org>
7697 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7701 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7704 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7706 * doc/extend.texi (Function Attributes): Rewrite visibility
7707 attribute documentation.
7708 * doc/invoke.texi (C++ Dialect Options): Rewrite
7709 -fvisibility-inlines-hidden documentation to describe something
7710 entirely different, although in practise compatible.
7711 (Code Gen Options): Warn about system headers in -fvisibility=
7714 * doc/extend.texi (Other Builtins): Document that
7715 __builtin_nan is a compile-time constant only when its argument
7718 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7720 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7721 trying to remove TRUNCATE check if all bits outside the new mode
7722 are identical to the sign bit.
7724 2006-04-03 Jeff Law <law@redhat.com>
7726 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7727 and operand scanning in some common cases.
7729 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7730 Dale Johannesen <dalej@apple.com>
7733 * regclass.c (struct reg_pref): Update documentation.
7734 (regclass): Set prefclass to NO_REGS if memory is the best option.
7735 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7736 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7737 into account. For non-registers, equate an empty preferred
7738 reload class to a `!' in the constraint; move the if clause to
7739 do so after those that reject the insn.
7740 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7742 (find_dummy_reload): Likewise.
7743 * doc/tm.texi (Register Classes): Document what it means
7744 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7745 * config/i386/i386.c (ix86_preferred_reload_class): Force
7746 using SSE registers (and return NO_REGS for floating-point
7747 constants) if math is done with SSE.
7748 (ix86_preferred_output_reload_class): New.
7749 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7750 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7751 * config/i386/i386.md: Remove # register preferences.
7753 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7756 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7757 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7758 the type of nb_iter.
7759 (instantiate_parameters_1): Convert the operands before calling
7760 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7761 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7763 2006-04-02 Roger Sayle <roger@eyesopen.com>
7765 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7766 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7768 * dojump.c (do_jump): Likewise.
7769 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7770 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7771 gimplify_boolean_expr): Likewise.
7772 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7773 * varasm.c (array_size_for_constructor): Likewise.
7774 * tree-object-size.c (compute_object_offset): Likewise.
7776 2006-04-02 Roger Sayle <roger@eyesopen.com>
7779 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7780 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7782 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7784 PR tree-optimization/26939
7785 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7787 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7789 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7790 at_stmt. Convert the type of operands before calling
7791 build_polynomial_chrec.
7792 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7794 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7795 (instantiate_parameters_1): Convert the type of operands before calling
7796 build_polynomial_chrec.
7797 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7798 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7799 reset_evolution_in_loop): Insert asserts to check the types of the
7801 (chrec_type): Moved...
7802 (eq_evolutions_p): Use operand_equal_p.
7803 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7804 the types of the operands.
7805 (chrec_type): ...here.
7806 * tree-data-ref.c (create_data_ref): Convert the operands before
7807 calling chrec_replace_initial_condition.
7808 (same_access_functions, analyze_subscript_affine_affine,
7809 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7810 (compute_subscript_distance, analyze_ziv_subscript,
7811 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7812 analyze_miv_subscript): Convert the operands before calling
7813 chrec_fold_minus or chrec_fold_plus.
7815 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7817 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7818 the dependence_relations vector.
7819 (compute_data_dependences_for_loop): Adjust call to
7820 compute_all_dependences.
7822 2006-04-01 Roger Sayle <roger@eyesopen.com>
7823 Richard Henderson <rth@redhat.com>
7825 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7826 gimple_boolify on the condition before calling gimplify_expr.
7828 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7830 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7831 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7832 the frame size. Update to use the new macros.
7833 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7834 * config/xtensa/ieee754-df.S: Likewise.
7836 2006-03-31 Richard Henderson <rth@redhat.com>
7838 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7839 (make_edges): ... here. Control fallthru creation with a local
7840 variable. Do not play with fake edges.
7841 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7842 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7845 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7847 * dwarf2.h (DW64_CIE_ID): Define.
7848 * dwarf2out.c (DWARF_CIE_ID): Define.
7849 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7850 length header. Use DWARF_CIE_ID.
7851 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7852 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7854 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7856 * config/sh/linux-atomic.asm: New file.
7857 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7859 2006-03-31 DJ Delorie <dj@redhat.com>
7861 * config/m32c/cond.md: Set condition flags properly throughout.
7862 * config/m32c/minmax.md: Likewise.
7863 * config/m32c/prologue.md: Likewise.
7864 * config/m32c/bitops.md: Likewise.
7865 * config/m32c/muldiv.md: Likewise.
7866 * config/m32c/mov.md: Likewise.
7867 * config/m32c/addsub.md: Likewise.
7868 * config/m32c/m32c.md: Likewise.
7869 * config/m32c/jump.md: Likewise.
7870 * config/m32c/shift.md: Likewise.
7872 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7873 conditionally output the pattern for this.
7874 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7875 (m32c_compare_redundant): New.
7876 (m32c_output_compare): New.
7877 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7879 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7880 dest, not src. Allow other 4-byte modes.
7882 2006-03-30 Denis Chertykov <denisc@overta.ru>
7884 * doc/md.texi: Refer to avr/constraints.md instead of
7887 2006-03-30 Roger Sayle <roger@eyesopen.com>
7889 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7890 signed vs. unsigned comparison failures on some hosts.
7892 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7895 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7896 change to FLOAT_REGS.
7898 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7899 (rs6000_override_options): Use it.
7900 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7901 only for -mabi=spe/no-spe and -mabi=altivec.
7903 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7905 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7908 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7910 * Makefile.in: Rename docdir to gcc_docdir.
7912 2006-03-30 Roger Sayle <roger@eyesopen.com>
7915 * expr.c (emit_group_store): Optimize group stores into a pseudo
7916 register by using a paradoxical subreg to initialize the destination
7917 if the first or last member of the group specifies a "low part".
7919 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7922 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7923 * target.h (struct gcc_target.speculate_insn): Change type of the
7924 second parameter to 'int'.
7925 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7926 the second operand of the DEPS_LIST.
7927 (copy_DEPS_LIST_list): Update reference to the second operand of the
7929 * rtl.h (alloc_DEPS_LIST): Update signature.
7930 * sched-int.h (ds_t): Change typedef to 'int'.
7931 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7933 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7935 * haifa-sched.c (try_ready): Change condition to restore
7936 non-speculative pattern of the instruction.
7937 (process_insn_depend_be_in_spec): Code to keep probability of the
7938 speculative dependence non-decreasing.
7940 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7942 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7943 (single_move_for_movmem): ... this. Also change all uses.
7944 (bfin_expand_strmov): Renamed to...
7945 (bfin_expand_movmem): ... this. Also change all uses.
7946 * config/bfin/bfin.md (movstrsi): Renamed to...
7947 (movstrsi): ...this.
7949 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7951 PR tree-optimization/26830
7953 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7954 (copy_prop_visit_stmt): Remove write-only variable ann.
7955 (init_copy_prop): Check variable loop depth here. Do not simulate
7956 memory-tag and virtual operand PHIs except for store copy prop.
7958 2006-03-30 Richard Guenther <rguenther@suse.de>
7960 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7961 variants with double arguments.
7963 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7965 * genpreds.c (write_tm_constrs_h): Delete variable p.
7966 * genconditions.c (write_header): Add tm-constrs.h to included
7968 * genpeep.c (main): Add toplev.h to included headers.
7969 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7970 (build/genpeep.o): Add toplev.h dependency.
7971 * config/rs6000/constraints.md: Add "W" constraint.
7973 2006-03-29 Roger Sayle <roger@eyesopen.com>
7975 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7976 sizes by correctly testing whether the size fits a host integer.
7977 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7978 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7979 SImode range for the default sizetype and bitsizetype.
7981 2006-03-29 Roger Sayle <roger@eyesopen.com>
7983 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7984 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7985 quickly if the argument is already of the correct type.
7986 Call fold_build1 instead of build1. Tidy up blank lines.
7988 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7990 * genemit.c (main): Add tm-constrs.h to included headers.
7991 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7992 * genpeep.c (main): Add tm-constrs.h to included headers.
7993 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7994 (write_tm_constrs_h): this and write complete file.
7995 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7996 (write_insn_preds_c): Add tm-constrs.h to included headers.
7997 (gen_constrs): New variable.
7998 (parse_option): Parse "-c".
7999 (main): Invoke write_tm_constrs_h.
8000 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8001 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8002 (object_out_file): Add tm-constrs.h dependency.
8003 (insn-emit.o): Same.
8004 (insn-output.o): Same.
8005 (insn-peep.o): Same.
8006 (insn-preds.o): Same.
8007 (insn-recog.o): Same.
8008 (tm-constsr.h): New target.
8009 (s-constrs-h): New target.
8011 * config/rs6000/constraints.md: New file.
8012 * config/rs6000/rs6000.c: Include tm-constrs.h.
8013 (num_insn_constant_wide): Convert to satisfies_constraint.
8014 (rs6000_rtx_costs): Convert to satisfies_constraint.
8015 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8016 (CONST_OK_FOR_LETTER_P): Delete.
8017 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8018 (EXTRA_CONSTRAINT): Delete.
8019 (EXTRA_MEMORY_CONSTRAINT): Delete.
8020 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8021 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8022 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8023 satisfies_constraint.
8025 * config/i386/i386.c: Include tm-constrs.h.
8027 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8029 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8030 * tree-data-ref.c (find_data_references_in_loop,
8031 compute_data_dependences_for_loop): Use pointers to VEC.
8032 (analyze_all_data_dependences): Adjust calls.
8033 * tree-data-ref.h (find_data_references_in_loop,
8034 compute_data_dependences_for_loop): Adjust declarations.
8035 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8036 compute_data_dependences_for_loop.
8038 2006-03-29 Paul Brook <paul@codesourcery.com>
8040 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8043 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8045 PR tree-optimization/26859
8046 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8048 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8049 for the step after fold_convert.
8051 2006-03-29 Paul Brook <paul@codesourcery.com>
8053 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8054 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8056 2006-03-29 Paul Brook <paul@codesourcery.com>
8059 * targhooks.c (default_narrow_bitfield): New fuction.
8060 * targhooks.h (default_narrow_bitfield): add prototype.
8061 * target.h (gcc_target): Add narrow_volatile_bitfield.
8062 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8063 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8064 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8065 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8067 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8069 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8071 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8072 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8073 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8074 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8075 (s390_function_arg_float): Allow SDmode and DDmode values to be
8076 passed in floating point registers.
8077 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8078 check with SCALAR_FLOAT_MODE_P.
8079 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8081 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8083 PR tree-optimization/25985
8084 * tree-ssa-loop-niter.c (number_of_iterations_le,
8085 number_of_iterations_ne): Make comments more precise.
8086 (number_of_iterations_cond): Add only_exit argument. Use the
8087 fact that signed variables do not overflow only when only_exit
8089 (loop_only_exit_p): New.
8090 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8091 number_of_iterations_cond.
8093 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8095 PR tree-optimization/26643
8096 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8099 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8101 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8102 (divsi3_i4_int): Likewise.
8104 2006-03-28 Roger Sayle <roger@eyesopen.com>
8106 * expr.c (emit_group_store): Only create a new pseudo reg if the
8107 quantity it needs to hold isn't already a suitable pseudo.
8109 2006-03-28 Jeff Law <law@redhat.com>
8111 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8112 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8114 2006-03-28 Roger Sayle <roger@eyesopen.com>
8116 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8117 the equivalent ~X & Y, and the symmetry related transformations.
8118 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8119 ~X & Y, and symmetry related transforms.
8121 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8123 Revert my 2006-03-27 patches.
8125 2006-03-28 Roger Sayle <roger@eyesopen.com>
8127 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8128 ~(T1)X, when T1 and T2 are integer types of the same precision
8129 and (T2)X isn't an extension.
8131 2006-03-28 Jeff Law <law@redhat.com>
8133 PR tree-optimization/26796
8134 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8135 need EH edge cleanups rather than purging them immediately.
8136 (eliminate_degenerate_phis): Handle queued EH cleanups.
8138 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8140 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8143 2006-03-27 Roger Sayle <roger@eyesopen.com>
8146 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8147 cast BIT_NOT_EXPR operand to the correct type.
8149 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8151 * tree-loop-linear.c: Don't include varray.h.
8152 (gather_interchange_stats, try_interchange_loops,
8153 linear_transform_loops): Use VEC instead of VARRAY.
8154 * lambda-mat.c: Don't include varray.h.
8155 * tree-chrec.c: Same.
8156 * lambda-trans.c: Same.
8157 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8158 VEC instead of VARRAY.
8159 * tree-vectorizer.h: Idem.
8160 * tree-data-ref.c (dump_data_references,
8161 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8162 initialize_data_dependence_relation, finalize_ddr_dependent,
8163 compute_all_dependences, find_data_references_in_loop,
8164 compute_data_dependences_for_loop, analyze_all_data_dependences,
8165 free_dependence_relation, free_dependence_relations,
8166 free_data_refs): Idem.
8167 * tree-data-ref.h (data_reference_p, subscript_p): New.
8168 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8169 VEC instead of VARRAY.
8170 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8171 (find_data_references_in_loop, compute_data_dependences_for_loop,
8172 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8173 dump_data_dependence_relations, free_dependence_relations,
8174 free_data_refs): Adjust declaration.
8175 (lambda_transform_legal_p): Move declaration here...
8176 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8177 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8178 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8179 vect_analyze_data_refs): Use VEC instead of VARRAY.
8180 * lambda.h (lambda_transform_legal_p): ...from here.
8181 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8182 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8183 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8184 tree-chrec.o): Don't depend on VARRAY_H.
8186 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8188 * rtl.def (Copyright): Update date.
8189 (DEPS_LIST): Change type of the second operand to 'int'.
8190 * target.h (Copyright): Update date.
8191 (struct gcc_target.speculate_insn): Change type of the second parameter
8193 * lists.c (Copyright): Update date.
8194 (alloc_DEPS_LIST): Change signature. Update reference to the second
8195 operand of the DEPS_LIST.
8196 (copy_DEPS_LIST_list): Update reference to the second operand of the
8198 * rtl.h (Copyright): Update date.
8199 (alloc_DEPS_LIST): Update signature.
8200 * sched-int.h (Copyright): Update date.
8201 (ds_t): Change typedef to 'int'.
8202 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8204 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8206 * haifa-sched.c (Copyright): Update date.
8207 (try_ready): Change condition to restore non-speculative pattern
8209 (process_insn_depend_be_in_spec): Code to keep probability of the
8210 speculative dependence non-decreasing.
8212 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8214 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8215 shut up the compiler.
8217 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8219 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8220 to use lib prefix for target.
8221 ($(T)libic_invalidate_array_4-200.a): Likewise.
8222 ($(T)libic_invalidate_array_4a.a): Likewise.
8224 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8225 J"orn Rennecke <joern.rennecke@st.com>
8227 * superh.opt: New file.
8228 * sh.c (boardtype, osruntime): Remove.
8229 * superh.h (SUBTARGET_OPTIONS): Remove.
8230 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8232 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8233 arguments with ^ and/or [].
8235 * config.gcc (sh-*-*): Add quoting to account for quirk of
8237 Replace == with = in enable_incomplete_targets test.
8239 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8240 with MASK_LITTLE_ENDIAN.
8242 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8243 * config/sh/sh.opt: Added to some comments.
8244 * config/sh/superh.h: Removed some chaff.
8246 * config/sh/sh.opt: Add m4-[1234]00* options.
8247 * config/sh/sh.c (sh_handle_option): Likewise.
8248 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8249 (ic_invalidate_array_4-100.o): New rule.
8250 ($(T)libic_invalidate_array_4-100.a): Likewise.
8251 (ic_invalidate_array_4-200.o): Likewise.
8252 ($(T)libic_invalidate_array_4-200.a): Likewise.
8253 (ic_invalidate_array_4a.o): Likewise.
8254 ($(T)libic_invalidate_array_4a.a): Likewise.
8255 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8256 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8258 * config/sh/crt1.asm: Merged in profiling code.
8259 * config/sh/superh.h (STARTFILE_SPEC): Override.
8260 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8261 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8262 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8264 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8265 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8266 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8268 * sh.opt (mpretend-cmove): New option.
8269 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8270 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8271 (movsicc): Add TARGET_PRETEND_CMOVE code.
8273 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8275 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8276 s390_class_max_nregs): New function prototypes.
8277 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8278 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8279 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8280 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8282 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8284 * dwarf2out.c (add_location_or_const_value_attribute): Call
8285 tree_add_const_value_attribute if nothing else works.
8286 (reference_to_unused): New.
8287 (rtl_for_decl_init): Use reference_to_unused to decide whether
8288 to output an initializer.
8290 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8293 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8294 peephole removing spe frob_di_df_2.
8296 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8298 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8299 (subscript_dependence_tester_1): Declared.
8300 (print_dir_vectors, print_dist_vectors): New.
8301 (debug_data_dependence_relation): New.
8302 (dump_data_dependence_relation): Print more details.
8303 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8304 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8305 (save_dist_v, save_dir_v, add_outer_distances,
8306 build_classic_dist_vector_1): New.
8307 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8308 Don't test for lambda_vector_lexico_pos.
8309 (same_access_functions, add_multivariate_self_dist,
8310 add_other_self_distances, dir_from_dist): New.
8311 (build_classic_dir_vector): Replace implementation almost identical to
8312 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8314 (subscript_dependence_tester_1): New.
8315 (subscript_dependence_tester): Handle the lexicographically negative
8316 distance vectors by recomputing the dependence relation.
8317 (compute_affine_dependence): Remove parameter loop_nest_depth.
8318 (compute_self_dependence): Don't call compute_subscript_distance.
8319 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8320 Add a parameter for the loop_nest.
8321 (find_loop_nest_1, find_loop_nest): New.
8322 (compute_data_dependences_for_loop): Compute the loop nest, and give
8323 up if the nest is not well formed.
8324 * tree-data-ref.h (loop_p): New.
8325 (struct data_dependence_relation): Replace size_vect field with
8326 loop_nest, a vec of loops.
8327 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8328 (DDR_LOOP_NEST): New.
8329 (print_dir_vectors, print_dist_vectors,
8330 debug_data_dependence_relation): Declared.
8331 (index_in_loop_nest): New.
8332 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8333 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8336 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8338 * simplify-rtx.c (simplify_relational_operation): Call
8339 simplify_relational_operation_1 even if mode is VOIDmode.
8341 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8343 PR tree-optimization/26804
8344 * tree.h (DECL_CALL_CLOBBERED): New macro.
8345 (tree_decl_common): Add call_clobbered_flag.
8346 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8347 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8348 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8349 (mark_non_addressable): Ditto.
8350 * tree-ssa.c (verify_call_clobbered): New function.
8351 (verify_alias_info): Use it.
8352 * tree-pass.h (pass_reset_cc_flags): New prototype.
8353 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8354 (reset_cc_flags): New function.
8355 * passes.c (init_optimization_passes): Call reset_cc_flags after
8356 initializing referenced_vars.
8358 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8359 Roger Sayle <roger@eyesopen.com>
8362 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8363 to 1.0 for non-real operands. Implement A / A optimization for
8366 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8368 * config/i386/i386.c (size_cost): Correct the comment for
8369 cost of storing fp registers.
8370 (i386_cost): Likewise.
8371 (i486_cost): Likewise.
8372 (pentium_cost): Likewise.
8373 (pentiumpro_cost): Likewise.
8374 (k6_cost): Likewise.
8375 (athlon_cost): Likewise.
8376 (k8_cost): Likewise.
8377 (pentium4_cost): Likewise.
8378 (nocona_cost): Likewise.
8379 (generic64_cost): Likewise.
8380 (generic32_cost): Likewise.
8382 2006-03-24 Denis Chertykov <denisc@overta.ru>
8384 * config/avr/avr-protos.h (extra_constraint): Delete.
8385 (extra_constraint_Q): New declaration.
8386 * config/avr/constraints.md: New file.
8387 * config/avr/avr.md: Include it.
8388 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8389 (TMP_REGNO, ZERO_REGNO): Likewise.
8390 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8391 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8392 (extra_constraint): Delete.
8393 (extra_constraint_Q): Test for memory constraint 'Q'.
8394 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8395 (REG_CLASS_FROM_LETTER): Delete.
8396 (CONST_OK_FOR_LETTER_P): Delete.
8397 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8398 (EXTRA_CONSTRAINT): Delete.
8399 (TMP_REGNO): Delete.
8400 (ZERO_REGNO): Delete.
8402 2006-03-24 Jeff Law <law@redhat.com>
8404 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8405 directly. Call mark_new_vars_to_rename slightly earlier.
8407 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8409 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8411 (gen_compile_unit_die): Use new language types for Objective-C and
8413 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8414 DW_LANG_C_plus_plus.
8417 * config/t-darwin (crt3.o): Work around bug 26840.
8418 * config/darwin-crt3.c: Rewrite.
8419 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8421 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8423 * doc/invoke.texi: Document -femit-class-debug-always
8424 * common.opt: Add -femit-class-debug-always.
8426 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8428 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8429 index and base register.
8430 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8431 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8432 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8433 REGNO_OK_FOR_INDEX_P.
8434 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8436 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8437 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8438 REG_OK_FOR_BASE_P): Definitions removed.
8440 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8443 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8444 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8445 set yet or weren't marked as local yet.
8447 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8449 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8452 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8454 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8455 (rs6000_legitimate_small_data_p): Delete.
8456 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8457 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8458 and make static. Add forward declaration. Update uses.
8459 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8460 of offsettable_memref_p.
8461 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8462 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8464 2006-03-24 Jeff Law <law@redhat.com>
8466 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8467 around bug in immediate-use iterator.
8469 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8472 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8473 or __LITTLE_ENDIAN__.
8475 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8477 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8478 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8479 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8480 * config/sh/sh.opt (mdiv=): Amend description.
8481 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8482 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8483 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8484 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8485 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8486 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8487 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8488 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8489 TARGET_DIVIDE_CALL_FP.
8491 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8493 * haifa-sched.c (choose_ready): Fix type of the local variable.
8494 Move local variables. Add comment.
8495 (check_reg_live): Change signature. Make callable from debugger.
8496 * sched-int.h (check_reg_live): Update signature.
8497 * sched-ebb.c (check_reg_live): Update parameters.
8498 * sched-rgn.c (check_reg_live): Ditto.
8499 (region_head_or_leaf_p): Check pointer before dereferencing.
8500 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8501 before reload on optimization levels below 1.
8503 2006-03-23 Richard Henderson <rth@redhat.com>
8505 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8509 * config/alpha/predicates.md (local_symbolic_operand): Reject
8512 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8515 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8516 expressions which have overflowed constants.
8518 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8520 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8522 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8524 * cfgloopmanip.c (create_loop_notes): Removed.
8525 * final.c (final_scan_insn): Do not handle loop notes.
8526 * jump.c (squeeze_notes): Ditto.
8527 * cfglayout.c (skip_insns_after_block,
8528 duplicate_insn_chain): Ditto.
8529 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8531 * cfgloop.h (create_loop_notes): Declaration removed.
8533 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8535 * varasm.c (output_constant_pool): Restore fnname and fndecl
8537 (assemble_start_function): Adjust call accordingly.
8538 (assemble_end_function): Likewise.
8540 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8543 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8546 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8548 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8551 * system.h (ICE_EXIT_CODE): New macro.
8552 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8553 (diagnostic_action_after_output): Likewise.
8554 * gcc.c (fatal_ice): New function.
8555 (execute): Use it instead of fatal.
8556 (fancy_abort): Likewise.
8557 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8559 2006-03-22 Jeff Law <law@redhat.com>
8561 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8562 iv_analyze_result returning false.
8564 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8566 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8568 2006-03-22 Richard Henderson <rth@redhat.com>
8571 * except.c (duplicate_eh_regions_0): New.
8572 (duplicate_eh_region_1): Duplicate the children of the node as
8573 well as the node itself. Link them up properly.
8574 (duplicate_eh_region_2): Merge into ...
8575 (duplicate_eh_regions): ... here. Take copy_region argument, and
8576 copy only a sub-tree if asked. Simplify copying and fixup.
8577 (eh_region_outer_p): New.
8578 * except.h (duplicate_eh_regions): Update decl.
8579 (eh_region_outer_p): Declare.
8580 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8581 (lower_omp_master): Likewise.
8582 (lower_omp_ordered): Likewise.
8583 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8584 (move_stmt_r): Use it to remap labels. Handle recursion vs
8585 remap_decls_p properly.
8586 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8587 (find_outermost_region_in_block): New.
8588 (new_label_mapper): New.
8589 (move_sese_region_to_fn): Copy eh information to the new function
8591 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8593 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8596 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8598 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8599 into shared libraries.
8601 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8603 * doc/md.texi: Refer to i386/constraints.md instead of
8605 * config/i386/constraints.md: New file, extracted from...
8606 * config/i386/predicates.md: ...here.
8607 * config/i386/i386.md: Include constraints.md.
8609 2006-03-21 Jason Merrill <jason@redhat.com>
8611 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8614 * expr.c (init_block_move_fn): Force default visibility.
8615 (init_block_clear_fn): Likewise.
8616 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8617 * targhooks.c (default_external_stack_protect_fail): Likewise.
8619 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8621 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8622 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8623 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8624 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8625 (loadgp): Use mips_current_loadgp_style.
8626 (loadgp_noshared): New pattern.
8627 (sibcall_internal): Use MIPS_CALL.
8628 (sibcall_value_internal): Likewise.
8629 (sibcall_value_multiple_internal): Likewise.
8630 (call_internal): Likewise.
8631 (call_value_internal): Likewise.
8632 (call_value_multiple_internal): Likewise.
8633 (call_split): Use MIPS_CALL and add an 'S' constraint.
8634 (call_value_split): Likewise.
8635 (call_value_multiple_split): Likewise.
8636 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8637 (-mshared): New option.
8638 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8639 (mips_current_loadgp_style): Declare.
8640 * config/mips/mips.c (mips_classify_symbol): Avoid using
8641 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8642 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8643 TARGET_ABSOLUTE_ABICALLS.
8644 (override_options): Adjust comments. Improve the warning that is
8645 issued when -mabicalls and -G are used together.
8646 (mips_file_start): Remove comment.
8647 (mips_current_loadgp_style): New function.
8648 (mips_gnu_local_gp): New variable.
8649 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8651 (mips_output_function_prologue): Use mips_current_laodgp_style.
8652 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8653 the cprestore instruction.
8654 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8655 live for TARGET_ABSOLUTE_ABICALLS.
8656 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8657 (ASM_SPEC): Pass down -mshared and -mno-shared.
8658 (MIPS_CALL): New macro.
8659 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8661 * doc/invoke.texi (-mabicalls): Update documentation.
8662 (-mshared): Document.
8664 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8666 * config/ia64/unwind-hpux.c: New file.
8667 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8669 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8672 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8674 2006-03-21 Jeff Law <law@redhat.com>
8676 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8677 type conversions of a VR_VARYING source to a wider type.
8679 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8681 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8682 tm_file on Solaris 10 and later.
8683 (sparc64-*-solaris2*): Likewise.
8684 (sparc-*-solaris2*): Likewise.
8685 * config/sol26.h: Rename to config/sol2-6.h.
8686 * config/sol2-10.h: New file.
8688 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8691 * tree-ssa-pre.c (create_component_ref_by_pieces):
8694 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8697 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8698 return it immediately.
8700 2006-03-21 Michael Matz <matz@suse.de>
8702 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8704 (remove_arc, add_arc): Update num_out_arcs member.
8705 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8707 (cache_presence): New function.
8708 (compare_states_for_equiv): New function.
8709 (state_is_differed): Don't take number of outargs, adjust callers.
8710 Use new invariant for speeding up.
8711 (init_equiv_class): Create initial classes based on sorted
8713 (partition_equiv_class): Don't track out_arcs_num.
8714 (evaluate_equiv_classes): Call cache_presence on all states and
8717 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8719 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8720 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8721 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8722 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8724 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8725 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8726 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8727 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8728 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8730 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8731 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8732 (REGNO_REG_CLASS): ARGP is in PREGS.
8733 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8735 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8736 to deal with those addresses.
8737 * addresses.h: New file.
8738 * caller-save.c: Include "addresses.h".
8739 (init_caller_save): Use new base_reg_class function.
8740 * rtl-factoring.c: Include "addresses.h".
8741 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8742 * recog.c: Include "addresses.h".
8743 (preprocess_constraints): Use new base_reg_class function.
8744 * regrename.c: Include "addresses.h".
8745 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8746 functions. Keep track of a new var INDEX_CODE to compute valid
8748 (replace_oldest_value_addr): Likewise.
8749 (replace_oldest_value_mem): Use base_reg_class.
8750 * reload.c: Include "addresses.h".
8751 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8752 (find_reloads): Use new base_reg_class function.
8753 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8754 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8755 all callers and prototype changed.
8756 * reload1.c: Include "addresses.h".
8757 (maybe_fix_stack_asms): Use base_reg_class.
8758 * regclass.c: Include "addresses.h".
8759 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8760 (init_reg_autoinc): Use new base_reg_class function.
8761 (record_reg_classes): Likewise.
8762 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8763 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8764 Use new args to compute necessary class.
8766 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8767 regrename.o, rtl-factoring.o): Update dependencies.
8768 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8769 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8770 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8771 REG_OK_FOR_INDEX_P): Delete documentation.
8773 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8775 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8776 from V7 to V9 for Solaris 7 and above.
8778 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8780 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8781 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8782 argument pointers may not alias any other storage.
8783 * common.opt: Define option -fargument-noalias-anything.
8784 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8785 alias semantics is specified by flag_argument_noalias > 2.
8787 2006-03-20 Jeff Law <law@redhat.com>
8789 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8790 (pass_phi_only_cprop): Declare.
8791 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8793 * tree-ssa-dom.c (degenerate_phi_result): New function.
8794 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8795 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8796 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8797 (eliminate_degenerate_phis): Likewise.
8798 (pass_phi_only_cprop): New pass descriptor.
8799 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8800 support code. Callers updated.
8801 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8802 (store_copy_prop): Likewise.
8803 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8805 2006-03-20 Jason Merrill <jason@redhat.com>
8808 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8809 (push_visibility, pop_visibility): Likewise.
8810 * c-pragma.h: Declare them.
8812 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8814 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8816 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8817 parameter and use get_ebb_head_tail.
8818 (sh_md_init_global): Adjust uses of find_regmode_weight.
8820 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8822 * function.h (struct function) <x_tail_recursion_reentry>:
8823 Rename to x_stack_check_probe_note.
8824 (tail_recursion_reentry): Rename to stack_check_probe_note.
8825 * function.c: Replace tail_recursion_reentry with
8826 stack_check_probe_note everywhere.
8827 (expand_function_start): Only emit a note for
8828 stack_check_probe_note with -fstack-protect.
8829 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8831 * emit-rtl.c (remove_unnecessary_notes): Remove.
8832 (pass_remove_unnecessary_notes): Remove.
8833 * rtl.h (remove_unnecessary_notes): Remove prototype.
8834 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8835 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8836 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8838 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8841 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8842 (valid_in_set): Handle ARRAY_REF.
8843 Change "if min_variant or VH" to asserts.
8844 (create_component_ref_by_pieces): Handle ARRAY_REF.
8845 (create_expression_by_pieces): Likewise.
8846 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8848 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8850 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8851 is operand of switch, not str[0].
8853 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8855 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8856 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8858 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8860 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8861 end of insn_extra_address_constraint declaration.
8863 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8865 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8866 (no-sum-in-toc): Same.
8867 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8869 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8870 NO_FP_IN_TOC for -fPIC instead of mask.
8872 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8873 (BOOT_LDFLAGS): Delete.
8875 * config/rs6000/t-aix52: Same.
8877 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8878 (stmsi[345678]_power): New.
8880 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8882 * config/ia64/ia64.opt: Add empty line to end of file.
8884 2006-03-17 Richard Guenther <rguenther@suse.de>
8887 * builtins.c (get_pointer_alignment): For component style references
8888 adjust alignment to the component type alignment. Make sure
8889 to adjust alignment for component access of constants.
8891 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8893 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8896 2006-03-17 Paul Brook <paul@codesourcery.com>
8898 * doc/install.texi: Docuemnt --with-mode.
8899 * config.gcc: Add --with-mode for arm*-*-*.
8900 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8902 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8904 * sh.c (max_labelno_before_reorg): New variable.
8905 (sh_reorg): Initialize it.
8906 (find_barrier): Check max_labelno_before_reorg before using
8907 label_to_alignment. Take length of explicit alignment insns
8908 into account. When seeing a UNSPECV_CONST_END, return it.
8910 * sh.c (fixup_mova): Set mode of affected label to QImode.
8911 (untangle_mova): New function.
8912 (find_barrier): Use it. Check mode of label before decrementing
8914 (sh_reorg): Likewise.
8915 Set mode of all insns back to VOIDmode.
8917 * sh.c (MOVA_LABELREF): New macro.
8918 (mova_p, fixup_mova, sh_reorg): Use it.
8919 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8920 ADDR_DIFF_VEC matches mova.
8922 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8924 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8925 with ATTRIBUTE_UNUSED.
8927 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8929 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8930 pointer, instead of assuming it is possible to derive the
8931 correct args size from a call insn.
8933 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8935 * rtl.h (CONST_INT_P): Define.
8936 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8937 instead of GET_CODE(x) == CONST_INT.
8938 (vax_rtx_costs): Likewise.
8939 (vax_output_int_move): Likewise.
8940 (vax_output_int_add): Likewise.
8941 (legitimate_constant_address_p): Likewise.
8942 (index_term_p): Likewise.
8943 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8944 * config/vax/vax.md (and<mode>3): Likewise.
8945 (ashrsi3): Likewise.
8947 (movstricthi): Likewise.
8948 (movstrictqi): Likewise.
8949 (rotrsi3): Likewise.
8950 (five unnamed insns): Likewise.
8952 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8954 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8955 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8956 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8957 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8958 Pass to ASM_OUTPUT_DWARF_OFFSET.
8959 * dwarf2out.c (debug_frame_section): New.
8960 (output_call_frame_info): Use debug_frame_section. Pass it to
8961 dw2_asm_output_offset.
8962 (output_die): Pass appropriate section to dw2_asm_output_offset.
8963 (output_compilation_unit_header): Likewise.
8964 (output_pubnames): Likewise.
8965 (output_aranges): Likewise.
8966 (enum dw_val_class): Break dw_val_class_lbl_offset into
8967 dw_val_class_lineptr and dw_val_class_macptr.
8968 (add_AT_lbl_offset): Delete.
8969 (add_AT_lineptr): New.
8970 (add_AT_macptr): New.
8971 (AT_lbl): Expect a lineptr or macptr.
8972 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8973 (attr_checksum): Likewise.
8974 (same_dw_val_p): Likewise.
8975 (size_of_die): Likewise.
8976 (value_format): Likewise.
8977 (output_die): Likewise.
8978 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8980 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8981 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8982 * config/darwin-protos.h (darwin_file_start): New.
8983 (darwin_asm_output_dwarf_offset): New.
8984 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8985 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8987 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8988 if not EH section; simplify.
8989 (darwin_file_start): New.
8990 (darwin_asm_output_dwarf_offset): New.
8991 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8993 (DEBUG_INFO_SECTION): Likewise.
8994 (DEBUG_ABBREV_SECTION): Likewise.
8995 (DEBUG_ARANGES_SECTION): Likewise.
8996 (DEBUG_MACINFO_SECTION): Likewise.
8997 (DEBUG_LINE_SECTION): Likewise.
8998 (DEBUG_LOC_SECTION): Likewise.
8999 (DEBUG_PUBNAMES_SECTION): Likewise.
9000 (DEBUG_STR_SECTION): Likewise.
9001 (DEBUG_RANGES_SECTION): Likewise.
9002 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9003 (ASM_OUTPUT_DWARF_OFFSET): New.
9005 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9007 * config.gcc (tm_defines): Always add to previous value rather
9010 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9012 * config/mips/predicates.md (splittable_const_int_operand): New,
9013 split from move_operand.
9014 (splittable_symbolic_operand): New.
9015 (move_operand): Add commentary. Use splittable_const_int_operand.
9016 Inline mips_atomic_symbolic_constant_p.
9017 * config/mips/mips.md: Add combine splitters for handling moves
9018 of splittable_const_int_operands and splittable_symbolic_operands.
9019 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9020 (mips_split_symbol): Declare.
9021 (mips_move_integer): Declare.
9022 * config/mips/mips.c (mips_split_p): Make global.
9023 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9024 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9025 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9026 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9027 (mips_offset_within_object_p): Handle block symbols.
9028 (mips_atomic_symbolic_constant_p): Delete.
9029 (mips_cannot_force_const_mem): Return false for constants that
9030 mips_legitimize_move can handle.
9031 (mips_use_blocks_for_constant_p): New function.
9032 (mips_split_symbol): Make global.
9033 (mips_move_integer): Likewise. Add a temporary register argument.
9034 (mips_legitimize_const_move): Use splittable_const_int_operand and
9035 splittable_symbolic_operand.
9036 (mips_use_anchors_for_symbol_p): New function.
9037 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9038 (mips_split_p): Declare.
9040 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9042 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9043 (mips*-*-linux*): Likewise.
9045 2006-03-16 Roger Sayle <roger@eyesopen.com>
9046 Daniel Speyer <dspeyer@wam.umd.edu>
9049 * tree-dump.c (dump_real): New function.
9050 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9051 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9052 (tree-dump.o): Add $(REAL_H) to the dependencies.
9054 2006-03-16 Roger Sayle <roger@eyesopen.com>
9057 * real.c (real_from_string): If the mantissa is zero, don't bother
9058 parsing the exponent as the result should always be zero.
9060 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9062 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9064 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9066 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9067 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9068 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9069 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9070 ia64_sched_finish_global): New static functions to implement
9071 hooks from gcc_target.sched.
9072 (spec_check_no, max_uid, pending_data_specs): New static variables.
9073 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9074 ia64_spec_check_src_p): New static functions.
9075 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9076 (TARGET_SCHED_ADJUST_COST): Removed.
9077 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9078 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9079 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9080 TARGET_SCHED_GEN_CHECK,
9081 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9082 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9083 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9084 Fixed to handle speculation checks.
9085 (rtx_needs_barrier): Fixed to handle speculative loads and
9087 (ia64_variable_issue): Added code to count speculative loads and their
9089 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9091 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9093 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9095 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9096 (ia64_reorg): Reset stops_p to NULL after it is freed.
9097 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9098 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9099 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9101 (data_speculative, control_speculative, check_load): New attributes.
9102 (mov<mode>_advanced, mov<mode>_speculative,
9103 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9104 zero_extend<mode>di2_speculative,
9105 zero_extend<mode>di2_speculative_advanced): New patterns for
9106 data and control speculative loads.
9107 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9109 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9110 New pattern for data and control speculation checks.
9111 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9112 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9113 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9114 Auxiliary definitions for the patterns.
9115 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9116 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9118 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9120 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9121 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9122 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9123 New resource constraints.
9124 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9126 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9127 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9128 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9129 msched-in-control-spec, msched-ldc, msched-control-ldc,
9130 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9131 msched-prefer-non-control-spec-insns,
9132 msched-count-spec-in-critical-path): New flags to tune speculative
9134 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9135 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9136 msched-in-control-spec, msched-ldc, msched-control-ldc,
9137 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9138 msched-prefer-non-control-spec-insns,
9139 msched-count-spec-in-critical-path): Document new flags.
9141 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9143 * target.h (struct spec_info_def): New opaque declaration.
9144 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9145 speculate_insn, needs_block_p, gen_check,
9146 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9147 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9148 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9149 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9150 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9151 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9153 (TARGET_SCHED): Use new macros.
9154 * rtl.h (copy_DEPS_LIST_list): New prototype.
9155 * sched-int.h (struct sched_info): Change signature of new_ready field,
9156 adjust all initializations. New fields: add_remove_insn,
9157 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9158 region_head_or_leaf_p.
9159 (struct spec_info_def): New structure declaration.
9160 (spec_info_t): New typedef.
9161 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9162 recovery_block, orig_pat.
9163 (glat_start, glat_end): New variables declaraions.
9164 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9166 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9167 DETACH_LIFE_INFO, USE_GLAT.
9168 (enum SPEC_SCHED_FLAGS): New enumeration.
9169 (NOTE_NOTE_BB_P): New macro.
9170 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9171 attach_life_info, debug_spec_status, check_reg_live): New functions.
9172 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9173 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9175 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9176 * ddg.c (get_block_head_tail): Adjust all uses.
9177 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9178 (sms_sched_info): Initialize new fields.
9179 (contributes_to_priority): Removed.
9180 * haifa-sched.c (params.h): New include.
9181 (get_block_head_tail): Adjust all uses.
9182 (ISSUE_POINTS): New macro.
9183 (glat_start, glat_end): New global variables.
9184 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9185 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9186 old_last_basic_block, before_recovery, current_sched_info_var,
9187 rgn_n_insns, luid): New static variables.
9188 (insn_cost1): New function. Move logic from insn_cost to here.
9189 (find_insn_reg_weight1): New function. Move logic from
9190 find_insn_reg_weight to here.
9191 (reemit_notes, move_insn, max_issue): Change signature.
9192 (move_insn1): Removed.
9193 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9194 extend_bb): New static functions to support extension of scheduler's
9196 (generate_recovery_code, process_insn_depend_be_in_spec,
9197 begin_speculative_block, add_to_speculative_block,
9198 init_before_recovery, create_recovery_block, create_check_block_twin,
9199 fix_recovery_deps): New static functions to support
9200 generation of recovery code.
9201 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9202 restore_bb_notes, move_block_after_check, move_succs): New static
9203 functions to support ebb scheduling.
9204 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9205 functions to support handling of register live information.
9206 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9207 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9208 add_jump_dependencies): New static functions.
9209 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9210 consistancy checking.
9211 (debug_spec_status): New function to call from debugger.
9212 (priority): Added code to handle speculation checks.
9213 (rank_for_schedule): Added code to distinguish speculative instructions.
9214 (schedule_insn): Added code to handle speculation checks.
9215 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9216 Fixed to handle ebbs.
9217 (move_insn): Added code to handle ebb scheduling.
9218 (max_issue): Added code to use ISSUE_POINTS of instructions.
9219 (choose_ready): Added code to choose between speculative and
9220 non-speculative instructions.
9221 (schedule_block): Added code to handle ebb scheduling and scheduling of
9222 speculative instructions.
9223 (sched_init): Initialize new variables.
9224 (sched_finish): Free new variables. Print statistics.
9225 (try_ready): Added code to handle speculative instructions.
9226 * lists.c (copy_DEPS_LIST_list): New function.
9227 * sched-deps.c (extend_dependency_caches): New function. Move logic
9228 from create_dependency_caches to here.
9229 (get_dep_weak, ds_merge): Make global.
9230 * genattr.c (main): Code to output prototype for
9231 dfa_clear_single_insn_cache.
9232 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9233 (output_dfa_clean_insn_cache_func): Code to output
9234 dfa_clear_single_insn_cache function.
9235 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9237 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9239 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9240 New static variables.
9241 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9242 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9244 (ebb_sched_info): Initialize new fields.
9245 (get_block_head_tail): Adjust all uses.
9246 (compute_jump_reg_dependencies): Fixed to use glat_start.
9247 (schedule_ebb): Code to remove unreachable last block.
9248 (schedule_ebbs): Added code to update register live information.
9249 * sched-rgn.c (region_sched_info): Initialize new fields.
9250 (get_block_head_tail): Adjust all uses.
9251 (last_was_jump): Removed. Adjust users.
9252 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9253 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9254 Implement new hooks.
9255 (check_dead_notes1): New static function.
9256 (struct region): New fields: dont_calc_deps, has_real_ebb.
9257 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9258 (BB_TO_BLOCK): Fixed to handle EBBs.
9259 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9260 (ebb_head): New static variable.
9261 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9262 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9264 (compute_dom_prob_ps): New assertion.
9265 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9266 global_live_at_start.
9267 (init_ready_list): New assertions.
9268 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9269 (new_ready): Add support for BEGIN_CONTROL speculation.
9270 (schedule_insns): Fixed code that updates register live information
9272 (schedule_region): Fixed to handle EBBs.
9273 (init_regions): Use extend_regions and check_dead_notes1.
9274 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9275 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9276 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9277 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9278 TARGET_SCHED_GEN_CHECK,
9279 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9280 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9281 * doc/invoke.texi (max-sched-insn-conflict-delay,
9282 sched-spec-prob-cutoff): Document.
9284 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9286 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9287 inter_tick, queue_index.
9288 (struct sched_info): Change signature of init_ready_list field.
9289 Adjust all initializations.
9290 (RESOLVED_DEPS): New access macro.
9291 (ready_add): Remove prototype.
9292 (try_ready): Add prototype.
9293 * sched-rgn.c (init_ready_list): Use try_ready.
9294 (schedule_region): Initialize
9295 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9296 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9297 (init_ready_list): Use try_ready.
9298 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9299 * lists.c (remove_list_elem): Remove `static'.
9300 (remove_free_INSN_LIST_elem): New function.
9301 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9302 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9303 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9305 (readyp): New variable.
9306 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9307 change_queue_index, resolve_dep): New static functions.
9308 (try_ready): New function. Adjust callers in sched-rgn.c and
9309 sched-ebb.c to use it instead of ready_add.
9310 (clock_var): Move at the begining of file.
9311 (rank_for_schedule): Fix typo.
9312 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9313 (ready_lastpos): Enforce assertion.
9314 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9316 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9317 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9318 (queue_to_ready): Use free_INSN_LIST_list.
9319 (early_queue_to_ready): Fix typo.
9320 (schedule_block): Init readyp. Move init_ready_list call after the
9321 initialization of clock_var. Fix error in rejecting insn by
9322 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9323 that previously corrected INSN_TICKs. Add code for handling
9325 (set_priorities): Fix typo.
9326 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9327 Clarify comment and code that keeps current_sched_info->next_tail
9330 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9332 * sched-rgn.c (extend_rgns): New static function.
9333 (find_rgns): Use it.
9334 (gather_region_statistics, print_region_statistics): New static
9336 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9337 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9339 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9340 Andrey Belevantsev <abel@ispras.ru>
9342 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9343 * lists.c (unused_deps_list): New variable.
9344 (free_list): Add assertions to verify the proper distinguishing
9345 between INSN_LISTs and DEPS_LISTs.
9346 (find_list_elem, remove_list_elem, remove_list_node): New static
9348 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9349 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9350 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9351 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9353 (free_INSN_LIST_node): Likewise.
9354 * modulo-sched.c (current_sched_info): Initialize flags field.
9355 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9356 * rtl.def (DEPS_LIST): Define.
9357 * rtl.h: Declare new functions from lists.c.
9358 * sched-deps.c (spec_dependency_cache): New static variable.
9359 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9360 (add_dependence): Change return type to void. Move the logic to ...
9361 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9362 (delete_all_dependences): Add comment about forward_dependency_cache.
9363 Handle spec_dependency_cache. Handle DEPS_LISTs.
9364 (fixup_sched_groups): Clarify the change of priority of output
9365 and anti dependencies.
9366 (sched_analyze_2): Adjust add_dependence calls to create data
9367 speculative dependence.
9368 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9369 Adjust all callers. Handle DEPS_LISTS.
9370 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9371 presence of speculation.
9372 (init_dependency_caches, free_dependency_caches):
9373 Handle spec_dependency_cache.
9374 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9375 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9376 New static functions.
9377 (add_or_update_back_dep, add_or_update_back_forw_dep,
9378 add_back_forw_dep, delete_back_forw_dep): New functions.
9379 * sched-int.h (ds_t, dw_t): New typedefs.
9380 (struct sched_info): Add new field flags.
9381 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9382 Prototype new sched-deps.c functions.
9383 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9384 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9385 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9386 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9387 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9388 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9390 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9392 * sched-rgn.c (current_sched_info): Initialize flags field.
9393 (schedule_insns): Initialize current_sched_info before the sched_init
9395 * sched-ebb.c (current_sched_info): Initialize flags field.
9396 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9397 Call add_or_update_back_dep instead of add_dependence.
9398 Create control speculative dependencies.
9399 (schedule_insns): Initialize current_sched_info before the sched_init
9402 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9404 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9406 (sh_fallback_frame_state): Likewise.
9408 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9410 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9411 Do switch on default_use_cxa_atexit.
9412 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9413 * config/darwin-crt3.o: New.
9414 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9415 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9416 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9418 * config/rs6000/t-darwin: Move crt2.o building to here.
9419 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9420 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9423 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9425 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9426 from '! xxx' to '!xxx' for coding-style conformance.
9427 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9428 (EXTRA_CONSTRAINT): Likewise.
9429 * config/vax/vax.md (four unnamed insns): Likewise.
9431 2006-03-15 Paul Brook <paul@codesourcery.com>
9433 * config/arm/arm.c (minipool_pad): New.
9434 (add_minipool_forward_ref): Include pool alignment padding in address
9436 (push_minipool_fix): Set minipool_pad.
9437 (minipool_pad): Ditto.
9439 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9441 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9442 instead of GET_CODE() == MEM and REG_P() instead of
9444 (print_operand_address): Likewise.
9445 (vax_address_cost): Likewise.
9446 (vax_rtx_costs): Likewise.
9447 (vax_notice_update_cc): Likewise.
9448 (vax_output_int_add): Likewise.
9449 (INDEX_REGISTER_P): Likewise.
9450 (BASE_REGISTER_P): Likewise.
9451 (nonindexed_address_p): Likewise.
9452 (vax_mode_dependent_address_p): Likewise.
9453 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9454 (PRINT_OPERAND): Likewise.
9455 * config/vax/vax.md (ashlsi3): Likewise.
9456 (ashlsi3): Likewise.
9457 (some more unnamed insns): Likewise.
9459 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9461 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9462 iterator-style macro.
9463 (mark_control_dependent_edges_necessary): Update the use of
9464 EXECUTE_IF_CONTROL_DEPENDENT.
9466 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9468 * config/sh/predicates.md (cache_address_operand): Special.
9469 (ua_address_operand): Likewise.
9471 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9473 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9475 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9477 2006-03-15 Andreas Schwab <schwab@suse.de>
9479 * gensupport.c (identify_predicable_attribute): Don't free p_false
9480 when it is still in use.
9482 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9484 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9485 the default setting here.
9487 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9489 * tree-pass.h (pass_cfg): Remove.
9490 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9491 * passes.c (pass_cfg): Don't run it.
9493 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9495 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9496 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9498 (stack_regs_mentioned): Update the uses of
9499 stack_regs_mentioned_data. Don't access the array beyond its
9501 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9502 Don't include gt-reg-stack.h.
9504 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9505 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9507 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9510 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9513 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9515 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9517 2006-03-14 Richard Guenther <rguenther@suse.de>
9519 PR tree-optimization/26672
9520 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9523 2006-03-14 Richard Guenther <rguenther@suse.de>
9525 PR tree-optimization/26667
9526 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9527 node for the callees. Always allow inlining if it will shrink
9530 2006-03-14 Richard Guenther <rguenther@suse.de>
9533 * builtins.c (get_pointer_alignment): Prefer alignment
9534 information from decls over that from types.
9536 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9539 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9541 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9543 * config/rs6000/rs6000.opt (mdlmzb): New option.
9544 (msched-prolog, msched-epilog): Use Var not Mask.
9545 * doc/invoke.texi (-mdlmzb): Document.
9546 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9548 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9549 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9551 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9553 PR rtl-optimization/25739
9554 * bt-load.c (augment_live_range): Free tos pointer.
9556 * gensupport.c (identify_predicable_attribute): Free
9558 * gcov.c (create_file_names): Free name pointer.
9560 2006-03-13 Roger Sayle <roger@eyesopen.com>
9563 * stmt.c (emit_case_nodes): Handle the case where the index is a
9564 CONST_INT, where the comparison mode is specified by the index type.
9566 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9568 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9571 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9573 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9574 (*branch_fp_inverted): Likewise.
9576 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9579 * omp-low.c (expand_omp_for_generic): Mark istart0
9580 and iend0 as addressable.
9582 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9584 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9586 2006-03-13 Jeff Law <law@redhat.com>
9588 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9589 virtual operands are interesting.
9590 (vrp_visit_stmt): Corresponding changes.
9592 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9594 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9596 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9597 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9598 * config/bfin/crti.S: Use it instead of __PIC__.
9599 * config/bfin/crtn.S: Likewise.
9601 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9602 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9604 Lose 'G' modifier for call operand.
9605 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9606 recognize 'G' modifier.
9608 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9611 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9612 * stmt.c (expand_case): Likewise.
9614 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9616 PR rtl-optimization/26254
9617 * loop-invariant.c (seq_insns_valid_p): New function.
9618 (move_invariant_reg): Only emit new code if it is valid.
9620 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9622 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9624 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9625 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9626 (commit_one_edge_insertion): Do not look for loop notes.
9628 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9630 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9631 flag_test_coverage out of loop.
9633 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9635 * final.c (shorten_branches): Remove outdated comment, and turn
9636 the if branch that guards it to continue.
9638 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9640 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9641 * cfgloop.h (struct loop): Remove unused fields.
9643 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9645 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9646 (-dL, -fdump-rtl-loop2): Update the dump file names
9648 * doc/invoke.texi: Update dump file names.
9650 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9652 * predict.c (estimate_probability): Remove.
9653 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9654 * basic-block.h (estimate_probability): Remove prototype.
9655 * passes.c (finish_optimization_passes): Dump branch prediction or
9656 profiling heuristics to the .profile tree dump.
9657 (init_optimization_passes): Unqueue pass_branch_prob.
9659 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9661 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9663 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9664 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9666 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9668 * function.h (frame_offset_overflow): Declare.
9669 * function.c (frame_offset_overflow): New function.
9670 (assign_stack_local_1): Call it to detect that the offset overflows.
9671 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9673 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9675 * config/sh/sh.c: Include alloc-pool.h.
9676 (label_ref_list_pool): New alloc pool.
9677 (label_ref_list_t): New type for lists of labels.
9678 (struct pool_node): Make wend a label_ref_list_t.
9679 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9681 (dump_table): Likewise.
9682 (sh_reorg): Set up the alloc pool before using add_constant and
9683 dump_table, and destroy it when finishing.
9685 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9687 * config/mips/mips.c: Remove redundant comment.
9689 2006-03-10 Jason Merrill <jason@redhat.com>
9692 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9693 the target was declared 'register'.
9695 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9697 * genpreds.c (write_insn_constraint_len): Change definition of
9698 insn_constraint_len to return size_t to match the declaration.
9700 2006-03-10 DJ Delorie <dj@redhat.com>
9702 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9704 (m32c_expand_insv): Fix test for an AND mask.
9706 2006-03-10 Richard Guenther <rguenther@suse.de>
9709 * builtins.c (get_pointer_alignment): Handle component
9710 references for field alignment.
9712 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9714 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9715 when building with libgloss.
9716 (sh*elf): Implement --without-fp option.
9717 (sh64-superh-linux*): Don't multilib.
9719 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9721 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9723 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9725 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9726 Set it when one of the replacement functions returned true.
9727 Return TODO_cleanup_cfg if cfgchanged is true.
9728 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9730 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9732 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9733 instead of gen_lowpart.
9735 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9737 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9739 (mips_output_order_conditional_branch): Declare.
9740 * config/mips/mips.h (MIPS_BRANCH): New macro.
9741 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9742 for the comparison. Use gen_condjump.
9743 (mips_output_conditional_branch): Rework interface to take the
9744 asm templates for a direct branch and the inverse of a direct branch.
9745 (mips_output_order_conditional_branch): New function.
9746 (mips_builtin_branch_and_move): New function.
9747 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9748 branch condition. Use gen_single_cc as the condition for
9749 __builtin_mips_upper_* or __builtin_mips_lower_*.
9750 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9751 Use VOIDmode for the branch condition.
9752 * config/mips/predicates.md (order_operator): New predicate.
9753 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9754 (branch_fp): Rename to...
9755 (*branch_fp): ...this. Remove mode from comparison operator.
9756 Use new mips_output_conditional_branch interface.
9757 (branch_fp_inverted): Rename to...
9758 (*branch_fp_inverted): ...this and update as for *branch_fp.
9759 (*branch_zero<mode>): Rename to...
9760 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9761 Use mips_output_order_conditional_branch. Only accept ordered
9763 (*branch_zero<mode>_inverted): Rename to...
9764 (*branch_order<mode>_inverted): ...this and update as for
9765 *branch_order<mode>.
9766 (*branch_equality<mode>): Accept zero as the second operand to
9767 the equality operator. Use the new mips_output_conditional_branch
9769 (*branch_equality<mode>_inverted): Likewise.
9770 (condjump): New expander.
9771 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9773 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9774 (bc1any2t, bc1any2f): Likewise.
9775 (single_cc): New expander.
9776 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9778 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9780 * doc/md.texi: Update documentation of MIPS constraints.
9781 * config/mips/constraints.md: New file.
9782 * config/mips/mips.md: Include it.
9783 * config/mips/mips.c (mips_char_to_class): Delete.
9784 (override_options): Don't initialize mips_char_to_class.
9785 * config/mips/mips.h (mips_char_to_class): Delete.
9786 (REG_CLASS_FROM_LETTER): Delete.
9787 (CONST_OK_FOR_LETTER_P): Delete.
9788 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9789 (EXTRA_CONSTRAINT_Y): Delete.
9790 (EXTRA_CONSTRAINT_STR): Delete.
9791 (CONSTRAINT_LEN): Delete.
9792 (EXTRA_MEMORY_CONSTRAINT): Delete.
9794 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9796 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9797 original fn's eh regions.
9799 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9801 * fold-const.c (build_range_check): Make sure to use a valid type to
9802 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9805 (range_predecessor): New static function.
9806 (range_successor): Likewise.
9807 (merge_ranges): Use them to compute predecessors and successors of
9810 2006-03-09 Roger Sayle <roger@eyesopen.com>
9813 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9814 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9816 2006-03-08 DJ Delorie <dj@redhat.com>
9818 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9819 (addpsi3): Expand to include memory operands. Remove
9820 reload-specific splits.
9821 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9822 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9823 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9824 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9825 (shift1_qi, shift1_hi, insv): New.
9826 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9827 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9828 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9830 * config/m32c/m32c-protos.h: Update as needed.
9831 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9832 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9833 Fail for unrecognized R* constraints.
9834 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9835 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9836 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9838 (m32c_init_libfuncs): New.
9839 (m32c_legitimate_address_p): Add debug wrapper.
9840 (m32c_rtx_costs): New.
9841 (m32c_address_cost): New.
9842 (conversions): Add 'B' prefix.
9843 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9844 operands, or word regnames for QI operands. 'B' prints bit
9846 (m32c_expand_setmemhi): New.
9847 (m32c_expand_movmemhi): New.
9848 (m32c_expand_movstr): New.
9849 (m32c_expand_cmpstr): New.
9850 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9851 (m32c_expand_neg_mulpsi3): Handle non-ints.
9852 (m32c_cmp_flg_0): New.
9853 (m32c_expand_movcc): New.
9854 (m32c_expand_insv): New.
9855 (m32c_scc_pattern): New.
9856 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9857 a0/a1 out of SIregs.
9858 (STORE_FLAG_VALUE): New.
9859 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9862 * config/m32c/mov.md: Make constraints more liberal.
9863 (zero_extendqihi2): Optimize r0/r1 case.
9864 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9865 * config/m32c/predicates.md (m32c_any_operand): New.
9866 (m32c_nonimmediate_operand): New.
9867 (m32c_hl_operand): New.
9868 (m32c_r3_operand): New.
9871 (memsym_operand): New.
9872 (memimmed_operand): New.
9873 (a_qi_operand): New.
9874 (m32c_eqne_operator): New.
9875 (m32c_1bit8_operand): New.
9876 (m32c_1bit16_operand): New.
9877 (m32c_1mask8_operand): New.
9878 (m32c_1mask16_operand): New.
9879 * config/m32c/blkmov.md: New file.
9880 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9882 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9884 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9885 unsigned to fix signed/unsigned comparison issue in
9886 DWARF2_FRAME_REG_OUT.
9887 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9888 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9890 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9891 of ptr into the ENABLE_CHECKING section.
9893 2006-03-08 Jeff Law <law@redhat.com>
9895 * tree-vrp.c (infer_value_range): Only count pointer uses
9896 and dereferences if -fdelete-null-pointer-checks is enabled.
9898 * tree-vrp.c (find_assert_locations): Infer value ranges for
9899 single use pointers, but do not create ASSERT_EXPRs for them.
9900 When a non-null range is inferred for a pointer, backwards
9901 propagate that range to other equivalent pointers through the
9904 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9907 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9908 language hook targets.
9909 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9910 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9911 if language hook targets were missing.
9913 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9915 * tree-ssa-opfinalize.h: Removed.
9916 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9918 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9919 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9920 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9921 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9922 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9923 finalize_ssa_v_must_def_ops): New.
9925 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9927 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9930 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9932 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9934 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9935 addresses with offsets; reorganize.
9937 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9938 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9939 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9941 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9944 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9946 2006-03-08 Ben Elliston <bje@au.ibm.com>
9948 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9950 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9953 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9956 2006-03-07 Richard Guenther <rguenther@suse.de>
9958 PR tree-optimization/26587
9959 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9961 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9963 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9965 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9967 * hooks.c (hook_bool_mode_rtx_true): New function.
9968 * hooks.h (hook_bool_mode_rtx_true): Declare.
9969 * toplev.c (compile_file): Call output_shared_constant_pool.
9970 * varasm.c (shared_constant_pool): New variable.
9971 (assemble_start_function, assemble_end_function): Remove arguments
9972 from call to output_constant_pool.
9973 (create_constant_pool): New function, split out from...
9974 (init_varasm_status): ...here.
9975 (force_const_mem): Choose between the shared and per-function constant
9976 pools. Set current_function_uses_const_pool when reusing old entries
9977 as well as when creating new ones.
9978 (mark_constant): Ignore data argument.
9979 (mark_constants): Remove pool argument.
9980 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9981 to decide whether the function uses a constant pool.
9982 (output_constant_pool_contents): New function, split out from...
9983 (output_constant_pool): ...here.
9984 (output_shared_constant_pool): New function.
9985 (init_varasm_once): Initialize shared_constant_pool.
9986 * output.h (output_constant_pool): Delete.
9987 (output_shared_constant_pool): Declare.
9988 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9989 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9991 2006-03-06 Nick Clifton <nickc@redhat.com>
9993 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9994 flag_strength_reduce.
9996 2006-03-06 Ben Elliston <bje@au.ibm.com>
9998 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9999 x86_64-*-linux* configurations.
10001 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10002 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10004 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10006 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10008 * basic-block.h: Remove the extern for
10009 rediscover_loops_after_threading.
10011 * cfgloop.c (cancel_loop): Make it static.
10012 * cfgloop.h: Remove the prototype for cancel_loop.
10014 * flow.c (recompute_reg_usage): Make it static.
10015 * rtl.h: Remove the prototype for recompute_reg_usage.
10017 * function.c (use_return_register): Make it static.
10018 * function.h: Remove the prototype.
10020 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10022 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10024 * recog.h: Remove the prototype for
10025 validate_change_maybe_volatile.
10027 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10029 * rtlanal.c (replace_reg): Remove.
10030 * rtl.h: Remove the prototype for replace_reg.
10032 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10034 * regclass.c (reg_scan_update): Remove.
10035 (reg_scan_mark_refs): Remove the last argument.
10036 * rtl.h: Remove the prototype for reg_scan_update.
10038 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10040 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10041 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10042 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10043 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10044 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10045 loop-invariant.c, omp-low.c, opts.c, passes.c,
10046 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10047 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10048 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10049 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10050 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10051 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10053 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10055 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10056 * dwarf2out.h: Remove the prototype for
10057 dwarf2out_add_library_unit_info.
10059 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10061 * tree.c (add_var_to_bind_expr): Remove.
10062 * tree.h: Remove the prototype for add_var_to_bind_expr.
10064 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10066 * regclass.c (n_non_fixed_regs): Remove.
10067 (init_reg_sets_1, globalize_reg): Remove all uses of
10069 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10071 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10073 * rtlanal.c (insns_safe_to_move_p): Remove.
10074 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10076 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10078 * expmed.c (expand_mult_add): Remove.
10079 * expr.h: Remove the prototype for expand_mult_add.
10081 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10083 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10084 and REG_SAVED_VAL_EXP constants.
10085 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10086 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10087 Handle regs stored by value.
10088 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10089 (execute_cfa_program): Handle DW_CFA_val_offset,
10090 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10091 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10092 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10093 (uw_install_context_1): Handle target regs stored by value.
10095 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10097 * tree-sra.c (tree_sra): Return todoflags;
10098 (generate_one_element): Set TODO_update_smt_usage if needed.
10099 (pass_sra): Remove TODO_update_smt_usage.
10100 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10102 (tree_ssa_forward_propagate_single_use_vars): Return
10103 TODO_update_smt_usage if we need to update SMT usage.
10104 (pass_forwprop): Remove TODO_update_smt_usage.
10106 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10108 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10109 (correct_use_link): Remove reference to get_stmt_operands.
10110 (update_stmt_operands): Likewise.
10111 (get_modify_expr_operands): New function factored out of
10112 parse_ssa_operands and get_expr_operands.
10113 Try to create V_MUST_DEFs for LHS by default.
10114 (get_expr_operands) <case MODIFY_EXPR>: Call
10115 get_modify_expr_operands.
10116 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10117 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10118 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10119 get_modify_expr_operands.
10121 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10123 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10124 * tree-flow.h: Remove the prototype for
10125 referenced_var_lookup_if_exists.
10127 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10129 PR rtl-optimization/26345
10131 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10133 2006-03-03 Roger Sayle <roger@eyesopen.com>
10135 PR tree-optimization/26524
10136 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10137 fold_convert to create a constant of the appropriate type.
10139 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10141 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10142 SYMBOL_REF_IN_BLOCK_P.
10143 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10144 of SYMBOL_FLAG_IN_BLOCK.
10145 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10146 instead of SYMBOL_REF_IN_BLOCK_P.
10147 * explow.c (use_anchored_address): Likewise.
10148 * rtl.c (rtx_size): Likewise.
10149 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10150 instead of SYMBOL_FLAG_IN_BLOCK.
10151 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10152 SYMBOL_REF_IN_BLOCK_P.
10153 (assemble_variable): Likewise.
10154 (output_constant_def_contents): Likewise.
10155 (output_constant_pool): Likewise.
10156 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10157 instead of SYMBOL_FLAG_IN_BLOCK.
10158 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10159 SYMBOL_REF_IN_BLOCK_P.
10160 (SYMBOL_REF_BLOCK): Likewise.
10161 (SYMBOL_REF_OFFSET): Likewise.
10162 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10163 SYMBOL_REF_IN_BLOCK_P.
10164 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10165 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10166 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10167 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10169 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10171 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10173 2006-03-02 Roger Sayle <roger@eyesopen.com>
10175 * simplify-rtx.c (simplify_unary_operation): When simplifying
10176 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10177 that we perform the right shift in the appropriate mode, and
10178 then extend or truncate the result to requested mode.
10180 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10182 * gengtype.c (main): Handle double_int type.
10183 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10184 * double-int.c: New file.
10185 * double-int.h: New file.
10186 * system.h: Include doubleint.h.
10187 * Makefile.in (SYSTEM_H): Include double-int.h.
10188 (double-int.o): Add.
10190 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10193 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10196 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10198 * tree-vrp.c (remove_range_assertions): Do not update statements
10201 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10203 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10205 * gcse.c (rest_of_handle_gcse): Ditto.
10206 * except.c (gate_handle_eh): Ditto.
10207 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10208 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10210 2006-03-02 Eric Christopher <echristo@apple.com>
10212 * config/i386/i386.c (machopic_output_stub): Add indirection to
10215 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10219 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10221 Sun Niagara specific optimizations.
10222 * config.gcc: Recognize niagara as target.
10223 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10224 (TARGET_CPU_niagara): Define.
10225 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10226 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10227 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10228 (ASM_CPU_SPEC): Likewise.
10229 (PROCESSOR_NIAGARA): New enum entry.
10230 (REGISTER_MOVE_COST): Handle Niagara.
10231 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10232 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10233 (sparc_override_options): Recognize "niagara", set appropriate
10234 default MASK_* values for it, and align functions to 32-bytes
10235 by default just like ULTRASPARC/ULTRASPARC3.
10236 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10237 (sparc64_initialize_trampoline): Likewise.
10238 (sparc_use_sched_lookahead): Use zero for niagara.
10239 (sparc_issue_rate): Use one for niagara.
10240 * config/sparc/niagara.md: New file.
10241 * config/sparc/sparc.md: Include it.
10242 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10243 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10244 when default cpu is niagara.
10245 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10246 (ASM_CPU_SPEC): Likewise.
10247 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10248 when default cpu is niagara.
10249 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10250 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10251 just like v9/ultrasparc/ultrasparc3.
10252 * doc/invoke.texi: Add documentation for "niagara" and improve
10253 existing documentation for ultrasparc variants.
10255 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10257 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10259 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10261 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10262 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10263 and say that only one is needed.
10264 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10265 * target.h (have_switchable_bss_sections): New hook.
10266 * explow.c (use_anchored_address): Check that the symbol is in a block.
10267 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10268 (bss_noswitch_section): New variables.
10269 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10270 (get_noswitch_section): New function.
10271 (get_block_for_section): Allow SECT to be null.
10272 (unlikely_text_section_p): Use SECTION_STYLE.
10273 (bss_initializer_p): New function.
10274 (get_variable_section): Move earlier in file. Take a new argument,
10275 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10276 Return one of the new *_sections in such cases.
10277 (get_block_for_decl): New function, extracting some logic from
10278 use_blocks_for_decl_p.
10279 (change_symbol_section): Remove in favor of...
10280 (change_symbol_block): ...this new function.
10281 (use_blocks_for_decl_p): Remove checks now performed by
10282 get_block_for_decl.
10283 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10284 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10285 (emit_local, emit_bss, emit_common): ...these new functions.
10286 Return true if the alignment was honored.
10287 (emit_tls_common): New function.
10288 (asm_emit_uninitialised): Delete.
10289 (assemble_variable_noswitch): New function, split out from...
10290 (assemble_variable): ...here. Don't make decisions about common
10291 variables here. Globalize all public decls that go into non-common
10292 sections. Check whether SYMBOL_REF_BLOCK is null.
10293 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10294 (output_constant_pool): Likewise.
10295 (init_varasm_once): Initialize the new section variables.
10296 (have_global_bss_p): New function.
10297 (categorize_decl_for_section): Use bss_initializer_p.
10298 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10299 (place_block_symbol): Assert that the symbol must be in a block.
10300 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10301 (TARGET_INITIALIZER): Include it.
10302 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10303 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10304 (SECTION_MACH_DEP): Bump by two.
10305 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10306 (unnamed_section): Mention SECTION_UNNAMED in comment.
10307 (named_section): Likewise SECTION_NAMED.
10308 (noswitch_section_callback): New type.
10309 (noswitch_section): New structure.
10310 (section): Add a noswitch_section alternative.
10311 (SECTION_STYLE): New macro.
10312 (tls_comm_section, comm_section, lcomm_section): Declare.
10313 (bss_noswitch_section, have_global_bss_p): Declare.
10314 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10315 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10317 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10318 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10321 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10323 * tree-vrp.c (execute_vrp): Return value.
10324 * regrename.c (rest_of_handle_regrename): Ditto.
10325 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10326 * tree-complex.c (tree_lower_complex): Ditto.
10327 (tree_lower_complex_O0): Ditto.
10328 * tracer.c (rest_of_handle_tracer): Ditto.
10329 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10330 * postreload.c (rest_of_handle_postreload): Ditto.
10331 * tree-tailcall.c (execute_tail_recursion): Ditto.
10332 (execute_tail_calls): Ditto.
10333 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10334 * tree.h (init_function_for_compilation): Ditto.
10335 * ipa-cp.c (ipcp_driver): Ditto.
10336 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10337 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10338 * final.c (compute_alignments): Ditto.
10339 (rest_of_handle_final): Ditto.
10340 (rest_of_handle_shorten_branches): Ditto.
10341 (rest_of_clean_state): Ditto.
10342 * omp-low.c (execute_expand_omp): Ditto.
10343 (execute_lower_omp): Ditto.
10344 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10345 * ipa-reference.c (static_execute): Ditto.
10346 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10347 * reorg.c (rest_of_handle_delay_slots): Ditto.
10348 (rest_of_handle_machine_reorg): Ditto.
10349 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10350 * flow.c (recompute_reg_usage): Ditto.
10351 (rest_of_handle_remove_death_notes): Ditto.
10352 (rest_of_handle_life): Ditto.
10353 (rest_of_handle_flow2): Ditto.
10354 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10355 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10356 (do_ssa_store_ccp): Ditto.
10357 (execute_fold_all_builtins): Ditto.
10358 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10359 * modulo-sched.c (rest_of_handle_sms): Ditto.
10360 * ipa-pure-const.c (static_execute): Ditto.
10361 * cse.c (rest_of_handle_cse): Ditto.
10362 (rest_of_handle_cse2): Ditto.
10363 * web.c (rest_of_handle_web): Ditto.
10364 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10365 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10366 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10367 * tree-nrv.c (tree_nrv): Ditto.
10368 (execute_return_slot_opt): Ditto.
10369 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10370 (create_structure_vars): Ditto.
10371 * loop-init.c (rtl_loop_init): Ditto.
10372 (rtl_loop_done): Ditto.
10373 (rtl_move_loop_invariants): Ditto.
10374 (rtl_unswitch): Ditto.
10375 (rtl_unroll_and_peel_loops): Ditto.
10376 (rtl_doloop): Ditto.
10377 * gimple-low.c (lower_function_body): Ditto.
10378 (mark_used_blocks): Ditto.
10379 * tree-ssa-sink.c (execute_sink_code): Ditto.
10380 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10381 (cgraph_early_inlining): Ditto.
10382 * global.c (rest_of_handle_global_alloc): Ditto.
10383 * jump.c (cleanup_barriers): Ditto.
10384 (purge_line_number_notes): Ditto.
10385 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10386 (rest_of_handle_if_after_reload): Ditto.
10387 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10388 (tree_ssa_loop_im): Ditto.
10389 (tree_ssa_loop_unswitch): Ditto.
10390 (tree_vectorize): Ditto.
10391 (tree_linear_transform): Ditto.
10392 (tree_ssa_loop_ivcanon): Ditto.
10393 (tree_ssa_empty_loop): Ditto.
10394 (tree_ssa_loop_bounds): Ditto.
10395 (tree_complete_unroll): Ditto.
10396 (tree_ssa_loop_prefetch): Ditto.
10397 (tree_ssa_loop_ivopts): Ditto.
10398 (tree_ssa_loop_done): Ditto.
10399 * predict.c (tree_estimate_probability): Ditto.
10400 * recog.c (split_all_insns_noflow): Ditto.
10401 (rest_of_handle_peephole2): Ditto.
10402 (rest_of_handle_split_all_insns): Ditto.
10403 * tree-eh.c (lower_eh_constructs): Ditto.
10404 * regmove.c (rest_of_handle_regmove): Ditto.
10405 (rest_of_handle_stack_adjustments): Ditto.
10406 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10407 * function.c (instantiate_virtual_regs): Ditto.
10408 (init_function_for_compilation): Ditto.
10409 (rest_of_handle_check_leaf_regs): Ditto.
10410 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10411 (rest_of_handle_gcse): Ditto.
10412 * ipa-type-escape.c (type_escape_execute): Ditto.
10413 * alias.c (rest_of_handle_cfg): Ditto.
10414 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10415 * profile.c (rest_of_handle_branch_prob): Ditto.
10416 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10417 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10418 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10419 * tree-dfa.c (find_referenced_vars): Ditto.
10420 * except.c (set_nothrow_function_flags): Ditto.
10421 (convert_to_eh_region_ranges): Ditto.
10422 (rest_of_handle_eh): Ditto.
10423 * emit-rtl.c (unshare_all_rtl): Ditto.
10424 (remove_unnecessary_notes): Ditto.
10425 * except.h (set_nothrow_function_flags): Ditto.
10426 (convert_to_eh_region_ranges): Ditto.
10427 * cfgexpand.c (tree_expand_cfg): Ditto.
10428 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10429 * tree-ssa-pre.c (do_pre): Ditto.
10430 (execute_fre): Ditto.
10431 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10432 (rest_of_handle_jump2): Ditto.
10433 * tree-sra.c (tree_sra): Ditto.
10434 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10435 (execute_mudflap_function_decls): Ditto.
10436 * tree-ssa-copy.c (do_copy_prop): Ditto.
10437 (do_store_copy_prop): Ditto.
10438 * ipa-prop.h (ipcp_driver): Ditto.
10439 * cfglayout.c (insn_locators_initialize): Ditto.
10440 * tree-ssa-forwprop.c
10441 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10442 * cfglayout.h (insn_locators_initialize): Ditto.
10443 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10444 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10445 (execute_late_warn_uninitialized): Ditto.
10446 * rtl.h (cleanup_barriers): Ditto.
10447 (split_all_insns_noflow): Ditto.
10448 (purge_line_number_notes): Ditto.
10449 (unshare_all_rtl): Ditto.
10450 (remove_unnecessary_notes): Ditto.
10451 (recompute_reg_usage): Ditto.
10452 (variable_tracking_main): Ditto.
10453 * integrate.c (emit_initial_value_sets): Ditto.
10454 * integrate.h (emit_initial_value_sets): Ditto.
10455 * tree-optimize.c (execute_free_datastructures): Ditto
10456 (execute_free_cfg_annotations): Ditto.
10457 (execute_fixup_cfg): Ditto.
10458 (execute_cleanup_cfg_pre_ipa): Ditto.
10459 (execute_cleanup_cfg_post_optimizing): Ditto.
10460 (execute_init_datastructures): Ditto.
10461 * tree-object-size.c (compute_object_sizes): Ditto.
10462 * combine.c (rest_of_handle_combine): Ditto.
10463 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10464 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10465 (rest_of_handle_reorder_blocks): Ditto.
10466 (rest_of_handle_partition_blocks): Ditto.
10467 * var-tracking.c (variable_tracking_main): Ditto.
10468 * tree-profile.c (tree_profiling): Ditto.
10469 * tree-vect-generic.c (expand_vector_operations): Ditto.
10470 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10471 * sched-rgn.c (rest_of_handle_sched): Ditto.
10472 (rest_of_handle_sched2): Ditto.
10473 * basic-block.h (free_bb_insn): Ditto.
10474 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10475 * tree-cfg.c (execute_build_cfg): Ditto.
10476 (remove_useless_stmts): Ditto.
10477 (split_critical_edges): Ditto.
10478 (execute_warn_function_return): Ditto.
10479 (execute_warn_function_noreturn): Ditto.
10480 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10481 * cfgrtl.c (free_bb_for_insn): Ditto.
10482 * passes.c (execute_one_pass): Run additional
10483 todos returned by execute function.
10484 * tree-pass.h (struct tree_opt_pass): Make execute
10487 2006-03-02 Richard Guenther <rguenther@suse.de>
10489 * tree-ssa-alias.c (find_used_portions): Consider taking
10490 the address as making the variable not write-only.
10492 2006-03-02 Nick Clifton <nickc@redhat.com>
10494 * config.gcc (default_use_cxa_atexit): Extend the description of
10495 this configure variable. Set its default value to "yes" for
10496 Linux, NetBSD and ELF targets on the assumption that they will
10497 use C libraries with the __cxa_atexit function.
10499 2006-03-02 Ben Elliston <bje@au.ibm.com>
10501 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10502 parameter as unused to suppress a build warning.
10504 2006-03-02 Ben Elliston <bje@au.ibm.com>
10506 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10509 2006-03-01 Roger Sayle <roger@eyesopen.com>
10512 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10513 declared name, the weak reference name, and the typeof name.
10514 (__gthrw): Avoid expanding the declared name suffix.
10515 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10517 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10519 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10521 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10522 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10523 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10524 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10525 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10526 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10527 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10528 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10529 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10530 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10531 (DW_END_default, DW_END_big, DW_END_little): New.
10532 (DW_END_lo_user, DW_END_hi_user): Define.
10533 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10534 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10535 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10538 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10540 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10542 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10544 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10546 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10548 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10549 to 'symbol_mem_tag'.
10551 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10554 2006-03-01 Roger Sayle <roger@eyesopen.com>
10556 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10558 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10561 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10562 MACHO_DYNAMIC_NO_PIC_P.
10563 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10565 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10568 * config/darwin-protos.h (darwin_asm_output_anchor):
10570 * config/darwin-sections.def (cstring_section):
10571 Add SECTION_MERGE to the flags.
10572 (literal4_section): Likewise.
10573 (literal8_section): Likewise.
10574 (objc_selector_refs_section): Likewise.
10575 (objc_cls_refs_section): Likewise.
10576 * config/darwin.c (darwin_asm_output_anchor): New
10578 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10580 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10582 Fix PR tree-optimization/26443
10583 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10584 to todo and PROP_tmt_usage to properties_destroyed.
10585 * tree-ssa-ccp.c (pass_ccp): Ditto.
10586 (pass_store_ccp): Ditto.
10587 * tree-ssa-dom.c (pass_dominator): Ditto.
10589 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10591 * tree-ssa-operands.c: Cleanup whitespace.
10592 (get_asm_expr_operands): Move before first invocation.
10593 (get_indirect_ref_operands): Likewise.
10594 (get_tmr_operands): Likewise.
10595 (get_call_expr_operands): Likewise.
10596 (append_def): Likewise.
10597 (append_use): Likewise.
10598 (append_v_may_def): Likewise.
10599 (append_v_must_def): Likewise.
10600 (add_call_clobber_ops): Likewise.
10601 (add_call_read_ops): Likewise.
10602 (add_stmt_operand): Likewise.
10603 (add_virtual_operand): Likewise.
10604 (build_ssa_operands): Likewise.
10606 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10608 PR middle-end/26022
10610 PR middle-end/24437
10611 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10612 with a call expr to ...
10613 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10615 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10617 * tree-vrp.c (extract_range_from_assert): Remove special
10618 handling for types with super-types.
10620 2006-03-01 Ben Elliston <bje@au.ibm.com>
10622 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10623 and powerpc64-*-linux* configurations.
10624 * config/t-dfprules: New file.
10626 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10627 Compile dfp-bit.c from the source directory using -DWIDTH and
10628 $DFP_CFLAGS to control the compilation of that file, rather than
10629 generating width-specific versions in the build directory.
10630 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10631 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10633 2006-02-28 Zack Weinberg <zackw@panix.com>
10635 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10638 2006-02-28 Eric Christopher <echristo@apple.com>
10640 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10641 Set up IN_LIBGCC definition of TARGET_64BIT.
10642 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10644 2006-02-28 Roger Sayle <roger@eyesopen.com>
10646 PR middle-end/14752
10647 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10648 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10649 cases via the construction of "expr != 0".
10651 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10653 * alias.c (alias_invariant, alias_invariant_size): Remove.
10654 (record_base_value): Remove.
10655 (memrefs_conflict_p): Don't look at alias_invariant.
10656 (end_alias_analysis): Don't free it.
10657 * alias.h (record_base_value): Remove prototype.
10659 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10660 Adam Nemet <anemet@caviumnetworks.com>
10662 * rtl.h (truncated_to_mode): Declare it.
10663 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10664 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10665 (RTL_HOOKS_INITIALIZER): Include it.
10666 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10667 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10668 reg_truncated_to_mode.
10669 * rtlanal.c (truncated_to_mode): Define it.
10670 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10672 2006-02-28 Jeff Law <law@redhat.com>
10674 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10675 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10676 the range allowed by TYPE_PRECISION.
10678 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10680 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10682 PR tree-optimization/26419
10683 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10686 2006-02-27 Zack Weinberg <zackw@panix.com>
10688 * doc/md.texi: Fix typo in previous change.
10690 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10694 2006-02-27 Zack Weinberg <zackw@panix.com>
10696 * rtl.def (define_constraint, define_register_constraint)
10697 (define_memory_constraint, define_address_constraint): New MD forms.
10698 * gensupport.c (process_rtx): Put define_constraint etc on the
10700 * genpreds.c (process_define_predicate): Adjust comment. Validate
10701 the name, and call validate_exp to validate the expression.
10702 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10703 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10704 all callers changed.
10705 (validate_exp, needs_variable, struct constraint_data)
10706 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10707 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10708 (const_dbl_constraints, constraint_max_namelen)
10709 (have_register_constraints, have_memory_constraints)
10710 (have_address_constraints, have_address_constraints)
10711 (have_extra_constraints, have_const_int_constraints)
10712 (have_const_dbl_constraints, mangle, add_constraint)
10713 (process_define_constraint, process_define_register_constraint)
10714 (write_enum_constraint_num, write_lookup_constraint)
10715 (write_insn_constraint_len, write_regclass_for_constraint)
10716 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10717 (write_insn_extra_memory_constraint)
10718 (write_insn_extra_address_constraint)
10719 (write_satisfies_constraint_fns): New.
10720 (write_tm_preds_h): If we have new-style constraint definitions,
10721 prototype the functions generated from them, and define the
10722 old constraint interface (still used by generic code) in terms of
10724 (write_insn_preds_c): If we have new-style constraint definitions,
10725 generate all relevant functions from those definitions.
10726 (main): Handle define_constraint etc.
10727 * genoutput.c (struct constraint_data, indep_constraints)
10728 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10729 (mdep_constraint_len): New data structures and functions, defined
10730 #ifdef USE_MD_CONSTRAINTS.
10731 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10732 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10733 use new logic to validate operand constraints against constraint
10735 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10737 * defaults.h: If none of the old-style constraint macros are
10738 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10739 old-style macros; and poison REG_CLASS_FROM_LETTER,
10740 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10742 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10743 * doc/md.texi: Document new constraint-definition mechanism and the
10744 C interface it provides. Remove references to old mechanism
10745 elsewhere in the document.
10746 (Machine Constraints): Use pathnames relative to gcc directory,
10747 i.e. config/ARCH/FILE. Change i386 section to refer to
10748 config/i386/predicates.md; update that section to match docstrings.
10749 * doc/tm.texi: Move all documentation of the old constraint-
10750 definition macros to their own section, clearly mark as obsolete.
10752 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10753 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10755 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10756 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10757 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10758 constraint strings.
10759 (splits and peepholes): Use satisfies_constraint_*.
10760 * config/i386/i386.c (memory_address_length)
10761 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10763 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10765 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10766 scalar operation to be put back into the loop.
10768 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10771 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10772 (extract_cie_info): Handle S flag in augmentation string.
10773 (execute_cfa_program): If context->signal_frame, execute also
10774 fs->pc == context->ra instructions.
10775 (uw_frame_state_for): If context->signal_frame, don't subtract one
10776 from context->ra to find FDE.
10777 (uw_update_context_1): Set context->signal_frame to
10779 (_Unwind_GetIPInfo): New function.
10780 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10781 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10783 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10784 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10785 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10786 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10787 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10788 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10789 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10790 x86_64_fallback_frame_state): Set fs->signal_frame.
10791 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10792 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10793 (frob_update_context): Likewise. Workaround missing S flag in
10794 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10795 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10796 Remove the psw_addr + 1 hack.
10798 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10800 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10801 with aggregates here.
10802 (find_func_aliases): Remove code for &<aggregate> from here.
10804 2006-02-26 Roger Sayle <roger@eyesopen.com>
10806 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10807 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10808 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10809 as (X & C) ne/eq 0.
10811 2006-02-26 Roger Sayle <roger@eyesopen.com>
10813 PR middle-end/19983
10814 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10816 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10818 * opts.c (decode_options): Do not handle flag_strength_reduce.
10819 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10820 and OPT_fstrength_reduce.
10821 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10822 flag_prefetch_loop_arrays for being nonzero.
10823 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10825 (fprefetch-loop-arrays-rtl): Removed.
10826 (flag_prefetch_loop_arrays): Do not specify the value.
10828 * doc/passes.texi: Update documentation of loop optimizer
10830 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10831 -frerun-loop-opt): Remove.
10833 2006-02-26 Richard Guenther <rguenther@suse.de>
10835 PR tree-optimization/26421
10836 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10837 in function calls that are ADDR_EXPRs as using the whole structure.
10839 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10841 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10842 * tree-pass.h (pass_loop_optimize): Remove.
10843 * passes.c (pass_loop_optimize): Never run it.
10844 * toplev.c (backend_init): Don't call init_loop.
10845 * opts.c (flag_loop_optimize_set): Remove.
10846 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10847 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10848 the old RTL loop optimizer when profiling enabled.
10849 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10850 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10851 pre-headers for the sake of the old RTL loop optimizer.
10852 * Makefile.in: Remove all references to loop.o.
10854 * doc/invoke.texi: Remove all references to -floop-optimize
10855 and -frerun-loop-opt.
10857 2006-02-26 Zack Weinberg <zackw@panix.com>
10859 * doc/md.texi (Machine Constraints): Refer to all files with paths
10860 relative to gcc directory (i.e. config/CPU/file). Add missing
10861 @table @code ... @end table to M32C subsection.
10863 2006-02-26 Roger Sayle <roger@eyesopen.com>
10865 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10867 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10869 2006-02-26 Roger Sayle <roger@eyesopen.com>
10870 James A. Morrison <phython@gcc.gnu.org>
10872 PR middle-end/21137
10873 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10874 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10875 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10876 signedness of the shift operation.
10878 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10880 PR tree-optimization/26359
10881 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10883 2006-02-25 Roger Sayle <roger@eyesopen.com>
10885 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10886 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10887 as X == 0, and some symmetry related transformations.
10888 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10890 2006-02-25 Roger Sayle <roger@eyesopen.com>
10892 PR middle-end/23673
10893 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10894 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10895 symmetry related transformations. Fold (X^C1) == C2 as
10898 2006-02-25 Juergen Weigert <jw@suse.de>
10899 Richard Guenther <rguenther@suse.de>
10901 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10903 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10905 * combine.c (gen_lowpart_or_truncate): Call
10906 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10908 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10910 * doc/invoke.texi: Move -fopenmp description to "Options for
10912 Remove reference to -lgomp.
10914 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10916 * doc/install.texi: Require GNU tar version 1.14.
10918 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10920 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10921 * doc/invoke.texi (C++ Dialect Options): Document
10922 -fno-use-cxa-get-exception-ptr.
10923 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10924 * configure: Regenerate.
10925 * c.opt (fuse-cxa-get-exception-ptr): New.
10926 * c-opts.c (c_common_handle_option): Handle
10927 OPT_fuse_cxa_get_exception_ptr.
10928 * c-common.c (flag_use_cxa_atexit): Update documentation.
10929 (flag_use_cxa_get_exception_ptr): New.
10930 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10931 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10933 (C_COMMON_OVERRIDE_OPTIONS): New.
10935 2006-02-24 Roger Sayle <roger@eyesopen.com>
10937 PR middle-end/24952
10938 * combine.c (try_combine): Explicitly check whether GET_CODE is
10939 a SET or a CLOBBER, instead on checking that it isn't a USE.
10941 2006-02-24 Roger Sayle <roger@eyesopen.com>
10943 * fold-const.c (fold_comparison): New subroutine of fold_binary
10944 containing transformations common to both the equality and
10945 ordering relational operators, factored out of fold_binary.
10946 (fold_binary): Separate out the equality operators (EQ_EXPR
10947 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10948 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10949 transformations common to both.
10950 (fold_div_compare): Fix latent bugs in the previously unreachable
10951 LT_EXPR and GE_EXPR cases.
10953 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10955 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10956 decl libname for clog to __clog on AIX.
10958 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10960 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10963 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10964 output traceback table for thunks. Localise rs6000_stack_info call.
10966 2006-02-23 Roger Sayle <roger@eyesopen.com>
10967 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10969 * gthr-posix.h (__gthrw): Fix typo in comment.
10971 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10973 * doc/cpp.texi (Character sets): Document that we do support
10974 input files to be in any character set.
10976 2006-02-23 Jeff Law <law@redhat.com>
10978 * tree.h (PHI_ARG_NONZERO): Remove.
10979 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10980 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10981 node to the new node.
10983 PR tree-optimization/26425
10984 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10985 min/max, then assume its varying.
10987 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10989 PR rtl-optimization/26316
10990 * rtlanal.c (enum may_trap_p_flags): New.
10991 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10992 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10993 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10994 (may_trap_after_code_motion_p): New function.
10995 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10996 (find_invariant_insn): Use may_trap_after_code_motion_p.
10997 * rtl.h (may_trap_after_code_motion_p): Declare.
10999 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11001 * emit-rtl.c (immed_double_const): Cleanup.
11003 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11005 Fix PR tree-optimization/26376
11006 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11009 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11011 PR middle-end/26412
11012 * gimplify.c (omp_add_variable): Guard variable size decl test with
11013 DECL_SIZE (decl) check.
11015 2006-02-23 Richard Guenther <rguenther@suse.de>
11017 PR middle-end/26439
11018 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11019 like aggregate types.
11021 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11023 * configure.ac: Add --with{,out}-long-double-128 configure option.
11024 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11025 * configure: Rebuilt.
11026 * config.in: Rebuilt.
11027 * doc/install.texi (Options specification): Document
11028 --with-long-double-128.
11030 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11031 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11032 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11033 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11035 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11037 * config/s390/s390.c (override_options): Handle
11038 TARGET_DEFAULT_LONG_DOUBLE_128.
11040 * config/alpha/alpha.c (override_options): Handle
11041 TARGET_DEFAULT_LONG_DOUBLE_128.
11043 * config/sparc/sparc.c (sparc_override_options): Handle
11044 TARGET_DEFAULT_LONG_DOUBLE_128.
11046 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11048 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11049 (real-install-headers-tar, real-install-headers-cpio)
11050 (real-install-headers-cp): New targets.
11052 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11054 * tree.h (variable_section): Delete.
11055 * varasm.c (variable_section): Delete.
11057 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11059 * install.texi: Add notes on install.texi2html.
11060 (Building in parallel): Do not use footnotes.
11062 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11065 * doc/install.texi (Configuration): Document --disable-libgomp.
11067 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11069 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11071 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11073 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11074 (vec_extractv2df_0_sse): New.
11076 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11078 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11079 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11080 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11081 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11082 to the result of the expression.
11083 (def_cfa_1): Adjust.
11084 (frame_pointer_cfa_offset): Rename to...
11085 (frame_pointer_fb_offset): ... this. Adjust all uses.
11086 (convert_cfa_to_loc_list): Rename to...
11087 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11088 Pass it on to build_cfa_loc.
11089 (compute_frame_pointer_to_cfa_displacement): Rename to...
11090 (compute_frame_pointer_to_fb_displacement): ... this. New
11091 offset parameter. Use it in computation.
11092 (gen_subprogram_die): Compute cfa_fb_offset with the new
11093 macro, and use it to compute the fb loc list and the
11096 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11098 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11099 replaced with register_operand.
11100 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11101 non-DREG is expensive.
11102 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11103 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11106 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11108 * doc/install.texi2html: Use set -e.
11110 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11112 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11113 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11114 * doc/invoke.texi (-fshared-data): Delete.
11115 * common.opt (fshared-data): Delete.
11116 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11117 (assemble_static_space): Remove #if 0 code.
11118 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11119 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11120 * config/cris/cris.h: Remove FIXME.
11122 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11124 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11127 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11129 PR middle-end/26379
11130 * combine.c (simplify_shift_const_1): Disable nested shifts
11131 optimization for vector shifts.
11133 2006-02-20 Roger Sayle <roger@eyesopen.com>
11135 PR tree-optimization/26361
11136 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11137 of unsigned integer types.
11139 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11141 * tree-chrec.c (eq_evolutions_p): New.
11142 * tree-chrec.h (eq_evolutions_p): Declared.
11143 * tree-data-ref.c: Fix formatting.
11144 (datadep_stats, dependence_stats): New.
11146 (print_direction_vector): New.
11147 (dump_data_dependence_relation): Use print_direction_vector.
11148 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11149 (compute_subscript_distance): Static.
11150 (initialize_data_dependence_relation): Static. Get the number
11151 of loops surrounding the references from the callers, and initialize
11152 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11153 base_object_differ_p analyzers.
11154 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11155 compute_overlap_steps_for_affine_1_2,
11156 analyze_subscript_affine_affine): Count the classified dependences.
11157 Print a message when a test failed.
11158 (can_use_analyze_subscript_affine_affine): New.
11159 (analyze_siv_subscript): Compute the data dependences on symbolic
11160 scevs that verify can_use_analyze_subscript_affine_affine.
11161 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11162 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11163 Handle symbolic scevs.
11164 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11166 (subscript_dependence_tester): Moved...
11167 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11168 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11169 DDR_SIZE_VECT instead of getting it in parameter.
11170 (subscript_dependence_tester): ... here. Take as a parameter
11171 loop_nest_depth. Call build_classic_dist_vector and
11172 build_classic_dir_vector.
11173 (compute_affine_dependence): Update subscript_dependence_tester
11174 parameters. Update datadep_stats counters. Call
11175 compute_subscript_distance.
11176 (compute_self_dependence): Save the dist and dir vectors. Call
11177 compute_subscript_distance.
11178 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11179 (compute_all_dependences): Reorder parameters as they were before
11180 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11181 compute_subscript_distance. Update the use of
11182 compute_affine_dependence and initialize_data_dependence_relation.
11183 (find_data_references_in_loop): Handle COMPONENT_REF.
11184 (compute_data_dependences_for_loop): Initialize dependence_stats.
11185 Don't call build_classic_dist_vector and build_classic_dir_vector.
11186 Update the parameters of initialize_data_dependence_relation and
11187 compute_all_dependences. Print the statistics from datadep_stats.
11188 (analyze_all_data_dependences): Static. Not used until the pass for
11189 checking the data dependences is contributed.
11190 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11191 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11192 (initialize_data_dependence_relation, compute_affine_dependence,
11193 analyze_all_data_dependences, compute_subscript_distance): Removed.
11194 (print_direction_vector): New.
11195 * lambda.h (gcd): ... here.
11196 (lambda_vector_gcd): Moved here from gcd_vector.
11197 * lambda-code.c (gcd, gcd_vector): Removed.
11198 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11199 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11201 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11203 * ipa-type-escape.c: Tidy some comments and white space.
11204 * tree-ssa-operands.c: Likewise.
11206 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11209 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11210 (dump_decl_name): Do not walk the decl tree chains.
11211 * tree-pass.h (TDF_CHAIN): Remove.
11213 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11215 * Makefile.in (C): Remove
11217 (.PHONY): Remove C and PROTO
11219 2006-02-20 Roger Sayle <roger@eyesopen.com>
11221 PR middle-end/26236
11222 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11223 deprecated CHAR_TYPE tree code.
11225 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11227 * configure.ac (target_list): Add install-info, dvi, html.
11228 * configure: Regenerate.
11230 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11231 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11232 treelang/Make-lang.in: Do not use double-colon rules.
11234 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11236 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11237 (TMT_USED_ALONE): New macro.
11238 * tree-pass.h (PROP_tmt_usage): New property.
11239 (TODO_update_tmt_usage): New todo.
11240 * tree-ssa-alias.c (updating_used_alone): New variable.
11241 (recalculate_used_alone): New function.
11242 (compute_may_aliases): Set updating_used_alone, call
11243 recalculate_used_alone.
11244 * tree-sra.c (pass_sra): Note that this pass destroys
11245 PROP_tmt_usage, and add TODO_update_tmt_usage.
11246 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11247 * tree-flow.h (updating_used_alone): Prototype.
11248 (recalculate_used_alone): Ditto.
11249 * passes.c (execute_todo): Add code to set updating_used_alone,
11250 and call recalculate.
11251 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11252 for clobber if used alone, and add assert to verify used_alone
11255 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11257 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11258 for non tls symbols added.
11259 (legitimize_address): Do nothing for PLUS expressions if one of the
11260 addends is a tls symbol reference.
11262 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11266 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11268 * Makefile.in (BOOTSTRAPPING): New.
11269 (quickstrap): New definition if BOOTSTRAPPING=yes.
11271 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11272 * configure.ac: Substitute all_selected_languages with the languages
11273 that were configured. For all the other variables except
11274 lang_specs_files, include all the languages in the tree.
11275 * configure: Regenerate.
11277 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11278 if there is one. Run the commands to run fixincludes in the same
11281 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11282 * doc/install.texi: Document exact conventions for searching target tools.
11283 Document --with-build-time-tools. Document toplevel bootstrap. Document
11284 something more about building an Ada cross-compiler. Don't list GNU Make
11285 requirements which affect all platforms.
11287 2006-02-19 Roger Sayle <roger@eyesopen.com>
11289 PR middle-end/19543
11290 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11291 only equivalent if the have both the same mode and precision.
11293 2006-02-20 Ben Elliston <bje@au.ibm.com>
11295 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11297 2006-02-19 Roger Sayle <roger@eyesopen.com>
11298 Steven Bosscher <stevenb.gcc@gmail.com>
11300 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11301 constant pool references to identify stack mode constants.
11302 * rtlanal.c (constant_pool_constant_p): New predicate to check
11303 whether operand is a floating point constant in the pool.
11304 * rtl.h (constant_pool_constant_p): Prototype here.
11305 * loop.c (scan_loop): Avoid hoisting constants from the constant
11306 pool on STACK_REGS targets.
11307 (load_mems): Likewise.
11308 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11309 loads into x87 registers expensive in terms of register pressure.
11311 2006-02-19 Roger Sayle <roger@eyesopen.com>
11313 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11314 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11316 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11318 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11319 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11321 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11323 * doc/invoke.texi: Document -fipa-pta.
11324 * common.opt: Add ipa-pta option.
11325 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11326 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11327 (do_ds_constraint): Ditto.
11328 (get_constraint_for): Only add to referenced_vars if
11329 referenced_vars exists.
11330 (insert_into_field_list): Rewrite to do this unsorted.
11331 (insert_into_field_list_sorted): Rename old insert_into_field_list
11333 (create_function_info_for): Use insert_into_field_list_sorted.
11334 (create_variable_info_for): Rewrite so it uses unsorted version,
11335 since the field list is sorted.
11336 (intra_create_variable_infos): Only add to referenced_vars if
11337 referenced_vars exists.
11338 (ipa_pta_execute): Init heapvars, and delete when done.
11339 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11341 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11343 * doc/install.texi: Add missing `@samp'.
11345 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11347 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11350 2006-02-18 Mark Wielaard <mark@klomp.org>
11352 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11353 who added new 4.1 features, bug fixes and integration support.
11355 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11358 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11359 MEM for ABI_V4 pic.
11361 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11363 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11364 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11365 (copy_insn_1): Likewise. Don't copy each field individually.
11367 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11369 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11370 * rtl.c (rtx_size): Rename variable to...
11371 (rtx_code_size): ...this.
11372 (rtx_size): New function.
11373 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11374 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11376 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11377 * rtl.h (rtx_code_size): New variable.
11378 (rtx_size): Change from a variable to a function.
11379 (RTX_SIZE): Rename to...
11380 (RTX_CODE_SIZE): ...this.
11383 PR tree-optimization/17106
11384 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11385 (Anchored Addresses): New section.
11386 * doc/invoke.texi (-fsection-anchors): Document.
11387 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11388 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11389 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11390 * hooks.c (hook_bool_mode_rtx_false): New function.
11391 * hooks.h (hook_bool_mode_rtx_false): Declare.
11392 * gengtype.c (create_optional_field): New function.
11393 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11394 SYMBOL_REF_IN_BLOCK_P is true.
11395 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11396 (min_anchor_offset, max_anchor_offset): Likewise.
11397 (use_anchors_for_symbol_p): New hook.
11398 * toplev.c (compile_file): Call output_object_blocks.
11399 (target_supports_section_anchors_p): New function.
11400 (process_options): Check that -fsection-anchors is only used on
11401 targets that support it and when -funit-at-a-time is in effect.
11402 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11403 if the decl doesn't have one.
11404 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11405 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11406 of force_const_mem through use_anchored_address.
11407 (expand_expr_constant): New function.
11408 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11409 calling expand_expr for INDIRECT_REF.
11410 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11411 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11412 * expr.h (use_anchored_address): Declare.
11413 * loop-unroll.c: Don't declare rtx vectors here.
11414 * explow.c: Include output.h.
11415 (validize_mem): Call use_anchored_address.
11416 (use_anchored_address): New function.
11417 * common.opt (-fsection-anchors): New switch.
11418 * varasm.c (object_block_htab, anchor_labelno): New variables.
11419 (hash_section, object_block_entry_eq, object_block_entry_hash)
11420 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11421 (use_blocks_for_decl_p, change_symbol_section): New functions.
11422 (get_variable_section): New function, split out from assemble_variable.
11423 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11424 use_blocks_for_decl_p say so. Use change_symbol_section if the
11425 symbol has already been created.
11426 (assemble_variable_contents): New function, split out from...
11427 (assemble_variable): ...here. Don't output any code for
11428 block symbols; just pass them to place_block_symbol.
11429 Use get_variable_section and assemble_variable_contents.
11430 (get_constant_alignment, get_constant_section, get_constant_size): New
11431 functions, split from output_constant_def_contents.
11432 (build_constant_desc): Create a block symbol if use_object_blocks_p
11433 says so. Or into SYMBOL_REF_FLAGS.
11434 (assemble_constant_contents): New function, split from...
11435 (output_constant_def_contents): ...here. Don't output any code
11436 for block symbols; just pass them to place_section_symbol.
11437 Use get_constant_section and get_constant_alignment.
11438 (force_const_mem): Create a block symbol if use_object_blocks_p and
11439 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11440 (output_constant_pool_1): Add an explicit alignment argument.
11441 Don't switch sections here.
11442 (output_constant_pool): Adjust call to output_constant_pool_1.
11443 Switch sections here instead. Don't output anything for block symbols;
11444 just pass them to place_block_symbol.
11445 (init_varasm_once): Initialize object_block_htab.
11446 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11447 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11448 (place_block_symbol, get_section_anchor, output_object_block)
11449 (output_object_block_htab, output_object_blocks): New functions.
11450 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11451 (TARGET_ASM_OUT): Include it.
11452 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11453 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11454 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11455 (TARGET_INITIALIZER): Include them.
11456 * rtl.c (rtl_check_failed_block_symbol): New function.
11457 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11458 (block_symbol, object_block): New structures.
11459 (rtx_def): Add a block_symbol field to the union.
11460 (BLOCK_SYMBOL_CHECK): New macro.
11461 (rtl_check_failed_block_symbol): Declare.
11462 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11463 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11464 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11465 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11466 * output.h (output_section_symbols): Declare.
11467 (object_block): Name structure.
11468 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11469 (default_use_anchors_for_symbol_p): Declare.
11470 * Makefile.in (RTL_BASE_H): Add vec.h.
11471 (explow.o): Depend on output.h.
11472 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11473 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11474 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11475 (rs6000_use_blocks_for_constant_p): New function.
11477 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11479 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11481 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11484 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11487 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11489 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11493 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11495 PR middle-end/26334
11496 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11497 instead of DECL_REGISTER.
11499 2006-02-18 Olivier Hainque <hainque@adacore.com>
11502 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11504 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11507 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11508 * opth-gen.awk: Handle Var and InverseMask together.
11509 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11510 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11511 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11512 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11514 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11515 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11516 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11517 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11518 LINUX_DYNAMIC_LINKER): Define.
11519 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11520 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11522 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11523 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11524 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11525 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11526 (TARGET_C99_FUNCTIONS): Don't define.
11527 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11528 GLIBC_DYNAMIC_LINKER.
11529 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11530 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11531 GLIBC_DYNAMIC_LINKER64): Define.
11532 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11533 LINUX_DYNAMIC_LINKER64.
11534 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11535 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11536 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11538 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11540 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11541 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11542 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11543 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11544 and LINUX_DYNAMIC_LINKER32.
11545 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11546 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11547 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11548 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11549 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11551 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11552 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11553 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11554 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11555 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11556 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11557 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11558 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11559 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11560 LINUX_DYNAMIC_LINKER): Define.
11561 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11562 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11563 GLIBC_DYNAMIC_LINKER64): Define.
11564 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11565 LINUX_DYNAMIC_LINKER64.
11566 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11567 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11568 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11569 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11570 LINUX_DYNAMIC_LINKER): Define.
11571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11572 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11573 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11574 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11575 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11576 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11577 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11578 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11579 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11580 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11582 * doc/invoke.texi (-muclibc): Remove caveat about supported
11585 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11587 * doc/cpp.texi (__TIMESTAMP__): Document.
11589 2006-02-17 Roger Sayle <roger@eyesopen.com>
11591 PR middle-end/25600
11592 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11593 C is one less than the width of X (and related transformations).
11594 * simplify-rtx.c (simplify_unary_operation_1): Transform
11595 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11596 depending on STORE_FLAG_VALUE, were C is one less then the
11599 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11601 Fix PR tree-optimization/26341
11602 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11603 about NAME_MEMORY_TAG's.
11605 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11608 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11609 with hardware float support, and software float support. Add fcpy
11610 alternative to hardware patterns. Add alternatives to copy between
11611 general and floating-point registers to the 32-bit pattern.
11612 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11613 secondary reload to load a QI or HI mode constant into a floating
11615 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11616 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11618 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11621 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11623 (load_macho_picbase_di): Likewise.
11625 2006-02-16 Jeff Law <law@redhat.com>
11627 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11628 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11629 (ssa_name_nonzero_p): Likewise.
11630 (get_value_range): Return NULL if VRP is not running.
11631 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11632 VRP routines do not discover a range.
11633 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11634 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11635 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11636 (tree_expr_nonnegative_p): Similarly.
11637 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11638 (restore_nonzero_vars_to_original_value): Remove.
11639 (unsafe_associative_fp_binop): Remove.
11640 (tree_ssa_dominator_optimize): Remove initialization and
11641 finalization of nonzero_vars and nonzero_vars_stack.
11642 (dom_opt_initialize_block): No longer push marker on
11643 nonzero_vars_stack.
11644 (dom_opt_finalize_block): No longer call
11645 restore_nonzero_vars_to_original_value.
11646 (record_equivalences_from_phis): No longer look for
11647 nonzero PHI arguments.
11648 (cprop_into_successor_phis): No longer propagate nonzero
11649 property into PHI arguments. Lose unused argument. Caller
11651 (record_equivalences_from_stmt): No longer record nonzero
11652 values for SSA_NAMEs.
11653 (lookup_avail_expr): No longer use nonzero_vars.
11655 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11656 for sizetype when sizetype is unsigned.
11658 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11660 PR rtl-optimization/25603
11661 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11662 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11663 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11664 with new meaning of SETS.
11666 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11671 * config/linux.opt: New file.
11672 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11673 LINUX_DYNAMIC_LINKER): Define.
11674 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11675 * config.gcc (*-*-linux*): Define extra_options.
11676 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11677 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11678 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11679 GLIBC_DYNAMIC_LINKER.
11680 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11681 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11682 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11683 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11684 * doc/invoke.texi (GNU/Linux Options): New section.
11686 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11688 * config/sparc/sparc.md (setjmp): Rewrite.
11689 (setjmp_32): Delete.
11690 (setjmp_64): Likewise.
11692 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11694 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11697 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11699 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11702 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11704 PR rtl-optimization/26296
11705 * Makefile.in (loop-invariant.c): Add except.h dependency.
11706 * loop-invariant.c: Include except.h.
11707 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11709 2005-02-16 Paul Brook <paul@codesourcery.com>
11711 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11714 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11716 PR rtl-optimization/25636
11717 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11718 when deciding whether an insn is an initializing insn.
11720 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11722 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11723 (tree_code_size): Ditto.
11724 * tree.h (struct tree_memory_tag): Remove parent_var.
11725 (struct tree_struct_field_tag): New.
11728 (union tree_node): Add sft member.
11729 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11731 (create_sft): Add size and offset argument, set SFT_OFFSET and
11733 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11734 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11735 * tree-flow-inline.h (get_subvar_at): Update for
11736 SFT_OFFSET/SFT_SIZE.
11737 (var_can_have_subvars): Ditto.
11738 (overlap_subvar): Ditto.
11739 * print-tree.c (print_node): Print out interesting things for
11741 * tree-flow.h (struct subvar): Remove offset and size members.
11742 * tree-ssa-operands.c (get_expr_operands): Update for
11743 get_indirect_ref_operands changes.
11744 (get_indirect_ref_operands): Call add_virtual_operand instead of
11745 add_stmt_operand. Only recurse on base var if requested.
11746 (access_can_touch_variable): New function.
11747 (add_stmt_operand): Split virtual operand handling into ...
11748 (add_virtual_operand): Here. Add offset, size, and for_clobber
11749 arguments. Prune alias sets.
11750 (add_call_clobber_ops): Call add_virtual_operand.
11752 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11754 PR middle-end/26300
11755 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11757 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11758 than TREE_CODE as index into omp_clause_num_ops array.
11760 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11762 PR rtl-optimization/26184
11763 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11765 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11766 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11767 must_precede, must_follow and tobe_scheduled.
11770 * opts.c (common_handle_option): Free new_option pointer.
11771 * df-core.c (df_analyze): Free postorder pointer.
11773 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11775 * Makefile.in: Fix the examples about the use of stamps
11777 2006-02-15 Michael Matz <matz@suse.de>
11779 PR middle-end/22275
11781 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11782 influenced by maximum_field_alignment or DECL_PACKED.
11783 (update_alignment_for_field): Ditto.
11784 (place_field): Ditto.
11785 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11788 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11790 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11791 (debug_flow_info): Pass it.
11792 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11793 * bb-reorder.c (reorder_basic_blocks): Likewise.
11794 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11795 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11796 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11797 * gcse.c (gcse_main, bypass_jumps): Likewise.
11798 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11799 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11800 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11801 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11802 * rtl.h (dump_flow_info): Adjust prototype.
11803 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11804 * var-tracking.c (variable_tracking_main): Likewise.
11805 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11806 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11809 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11811 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11814 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11816 PR tree-optimization/26209
11817 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11818 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11820 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11822 2006-02-14 Roger Sayle <roger@eyesopen.com>
11824 PR middle-end/23670
11825 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11826 (X,Y) and the corresponding symmetry related transformations.
11827 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11828 (X,Y) and its symmetry related transformations.
11830 2006-02-14 Roger Sayle <roger@eyesopen.com>
11832 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11835 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11837 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11839 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11842 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11843 support COMDAT group.
11844 * configure: Regenerate.
11846 2006-02-14 Roger Sayle <roger@eyesopen.com>
11848 PR middle-end/26279
11849 PR middle-end/26280
11850 PR middle-end/26283
11851 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11853 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11855 Fix PR tree-optimization/26260
11857 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11859 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11860 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11861 * tree-ssa-structalias.c (create_variable_info_for): Use
11862 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11864 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11866 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11868 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11869 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11870 of the ending condition.
11871 * tree-ssa-loop-manip.c: Include params.h.
11872 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11873 tree_unroll_loop): New functions.
11874 * tree-pass.h (pass_loop_prefetch): Declare.
11875 * loop.c (rest_of_handle_loop_optimize): Test for
11876 -fprefetch-loop-arrays-rtl.
11877 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11878 * timevar.def (TV_TREE_PREFETCH): New timevar.
11879 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11880 pass_loop_prefetch): New.
11881 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11882 (cleanup_tree_cfg_loop): Call scev_reset.
11883 * common.opt (fprefetch-loop-arrays-rtl): Add.
11884 * tree-ssa-loop-prefetch.c: New file.
11885 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11886 (new_temp_expr_table): Initialize expr_vars.
11887 (free_temp_expr_table): Cleanup expr_vars.
11888 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11889 expressions from being merged into one.
11890 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11891 (struct tree_niter_desc): Add control, bound and cmp fields.
11892 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11894 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11895 (tree-cfgcleanup.o): Add SCEV_H dependency.
11896 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11897 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11899 2006-02-14 Richard Guenther <rguenther@suse.de>
11901 PR tree-optimization/26258
11902 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11903 in PHI argument processing.
11905 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11907 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11908 new expression in the requested machine mode.
11910 2006-02-13 Roger Sayle <roger@eyesopen.com>
11912 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11913 directly, instead let do_compare_rtx_and_jump handle this for us.
11914 * expr.c (expand_expr_real_1): Likewise.
11915 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11916 before do_jump_by_parts_greater.
11917 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11918 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11920 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11922 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11924 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11926 PR rtl-optimization/26235
11927 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11928 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11931 2006-02-13 Jeff Law <law@redhat.com>
11933 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11936 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11938 PR middle-end/26092
11939 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11940 twice if decl is a builtin. When trying again, call get_callee_fndecl
11941 first to verify it is still a builtin.
11943 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11945 * dwarf2out.c (base_type_die): Don't add AT_name here.
11946 (subrange_type_die): Don't add AT_name here.
11947 (modified_type_die): Rearrange code flow. Do add AT_name here.
11949 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11951 PR rtl-optimization/26247
11952 PR rtl-optimization/26248
11953 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11955 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11957 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11958 * config/fixtfdi.c: Likewise.
11959 * config/fixunstfdi.c: Likewise.
11960 * config/floatditf.c: Likewise.
11962 2006-02-13 Roger Sayle <roger@eyesopen.com>
11964 PR middle-end/24427
11965 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11966 into (X,C2) if C1 is a subset of the bits of C2. Transform
11967 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11969 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11971 2006-02-13 Josh Conner <jconner@apple.com>
11974 * varasm.c (function_section): Check for section name before
11975 calling select_section on targets that define
11976 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11977 unlikely_text_section instead of hot_function_section if
11978 first_function_block_is_cold.
11980 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11982 PR middle-end/25335
11983 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11985 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11987 PR rtl-optimization/26222
11988 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11989 after tree->rtl expansion.
11990 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11991 before passing it to emit_move_insn.
11993 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11995 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11997 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11998 Clarify documentation.
11999 * c-common.h (warn_write_strings): Remove.
12000 * c-common.c (warn_write_strings): Likewise.
12001 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12004 2006-02-12 Roger Sayle <roger@eyesopen.com>
12006 PR middle-end/25724
12007 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12008 (do_jump_parts_zero_rtx): New function renamed from
12009 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12010 (do_jump_parts_equality_rtx): New function split out from
12011 do_jump_parts_equality. Old implementation renamed as above.
12012 Call do_jump_parts_zero_rtx if either operand is zero.
12013 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12014 do all of the heavy lifting.
12015 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12016 calling either do_jump_by_parts_greater_rtx or
12017 do_jump_by_parts_equality_rtx.
12018 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12019 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12020 moved to do_compare_rtx_and_jump, call it directly.
12021 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12022 mode argument. Call do_compare_rtx_and_jump.
12023 (emit_case_nodes): Update calls to do_jump_if_equal.
12025 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12027 PR rtl-optimization/26225
12028 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12030 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12032 PR rtl-optimization/26232
12033 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12035 2006-02-11 Jason Merrill <jason@redhat.com>
12038 * tree-inline.c (declare_return_variable): Just don't use the
12039 modify target if it's a gimple complex reg and the return slot
12042 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12044 * doc/contrib.texi: Update my entry.
12046 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12048 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12050 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12052 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12055 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12057 * doc/invoke.texi (-floop-optimize2): Removed.
12058 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12059 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12060 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12061 * common.opt (floop-optimize2): Removed.
12062 (fmove-loop-invariants): Enabled by default.
12064 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12066 * tree-if-conv.c (combine_blocks): Free the result of
12067 get_loop_exit_edges.
12069 2006-02-10 Jeff Law <law@redhat.com>
12071 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12073 PR tree-optimization/26213
12074 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12075 loop trying to follow SSA_NAME_VALUE chains.
12077 2006-02-10 Richard Guenther <rguenther@suse.de>
12079 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12080 deal with structures that end in implicitly variable sized arrays.
12082 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12084 PR rtl-optimization/24762
12085 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12088 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12090 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12091 (struct ivopts_data): Add regs_used field.
12092 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12093 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12094 instead of loop_data->regs_used;
12095 (free_loop_data): Do not free aux fields for loops.
12096 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12097 and tree_ssa_iv_optimize_finalize.
12099 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12101 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12103 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12106 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12107 computing the effective result type.
12109 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12111 PR inline-asm/16194
12112 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12113 (tree_overlaps_hard_reg_set): Declare.
12114 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12115 type and signature to match function type expected by walk_tree.
12116 (tree_overlaps_hard_reg_set): New function.
12117 (decl_conflicts_with_clobbers_p): Rename to:
12118 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12119 Use tree_overlaps_hard_reg_set. Changed caller.
12120 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12121 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12122 * cris.c (cris_md_asm_clobbers): Likewise.
12124 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12126 * reload1.c (emit_input_reload_insns): Delete code that tries to
12127 inherit using find_equiv_reg.
12129 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12131 * c-common.h (flag_const_strings): Don't declare.
12132 * c-common.c (flag_const_strings): Remove.
12133 * c.opt (fconst_strings): Remove.
12134 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12135 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12136 (c_common_init_options): Don't set flag_const_strings.
12137 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12139 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12141 * arm.md (tlobits_cbranch): New pattern.
12142 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12143 testing a single bit.
12145 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12148 * tree-ssa-pre.c (create_component_ref_by_pieces):
12149 Handle RETURN_DECL like VAR_DECL.
12151 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12153 PR middle-end/26134
12154 * fold-const.c (fold_indirect_ref_1): Fold
12155 "*(foo *)&complexfoo" to "__real__ complexfoo"
12156 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12158 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12160 * tree-flow-inline.h (var_can_have_subvars):
12161 Volatile variables should not have subvariables.
12163 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12166 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12167 multiplying unsigned values.
12170 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12172 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12174 2006-02-08 Jason Merrill <jason@redhat.com>
12177 * tree.def: Elaborate on difference from MODIFY_EXPR.
12178 * doc/c-tree.texi (INIT_EXPR): Likewise.
12179 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12180 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12181 (gimplify_target_expr): Likewise.
12182 (gimplify_cond_expr): Remove target handling.
12183 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12184 (gimplify_expr): Clobber it here.
12185 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12186 Do return slot optimization if we have an INIT_EXPR.
12189 * tree-inline.c (declare_return_variable): Also clear
12190 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12193 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12195 PR middle-end/22439
12196 * gimplify.c (gimplify_one_sizepos): Fix typo.
12198 2006-02-08 Jeff Law <law@redhat.com>
12200 PR tree-optimization/21417
12201 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12202 across a backedge if the control statement at the end of the
12203 block is data dependent on other statements in the same block.
12204 (record_temporary_equivalences_from_stmts): Remove over-conservative
12205 test for threading across backedges.
12207 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12208 control statement, handle all three special cases in the same
12209 manner as they all have the same desired solution. No longer
12210 special case edge flag updating when the post dominator is
12213 2006-02-08 Roger Sayle <roger@eyesopen.com>
12215 * tree.def (CHAR_TYPE): Remove.
12216 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12217 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12218 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12219 (gen_string_type_die): Delete unreachable function.
12221 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12222 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12223 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12224 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12225 * builtins.c (type_to_class): Likewise.
12226 * fold-const.c (fold_convert, build_range_check,
12227 merge_ranges): Likewise.
12228 * expr.c (count_type_elements): Likewise.
12229 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12230 * stor-layout.c (layout_type): Likewise.
12231 * ipa-type-escape.c (type_to_consider): Likewise.
12232 * gimplify.c (omp_firstprivatize_type_sizes,
12233 gimplify_type_sizes): Likewise.
12234 * explow.c (promote_mode): Likewise.
12235 * tree-sra.c (is_sra_scalar_type): Likewise.
12236 * varasm.c (output_constant): Likewise.
12237 * tree-inline.c (remap_type_1): Likewise.
12238 * convert.c (convert_to_pointer, convert_to_real,
12239 convert_to_integer, convert_to_complex): Likewise.
12241 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12243 * df-scan.c (df_def_record_1): A set destination may
12244 be a parallel regardless of mode.
12246 2006-02-08 Roger Sayle <roger@eyesopen.com>
12249 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12250 * config/mips/_tilib.c: Remove.
12251 * config/fixtfdi.c: New libgcc source file.
12252 * config/fixunstfdi.c: New source file.
12253 * config/floatditf.c: New source file.
12254 * config/floatunditf.c: New souce file.
12255 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12256 files above instead of config/mips/_tilib.c.
12257 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12259 2006-02-08 Jeff Law <law@redhat.com>
12261 PR tree-optimization/26169
12262 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12265 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12267 * df.h (DF_REG_SIZE): Return the length of the initialized
12270 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12272 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12273 __muldf3): Return a correctly signed zero.
12275 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12277 * passes.c (register_one_dump_file): Accept the current properties
12278 instead of pass number. Adjust call to dump_register. Remove
12280 (register_dump_files): Now a wrapper around...
12281 (register_dump_files_1): ... this one. Do not modify the pass
12283 (next_pass_1): Cosmetic fix.
12284 (execute_todo): Keep second parameter only. Use curr_properties
12285 instead of fetching it from the pass structure. Check and set
12287 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12288 instead of fetching it from the pass structure. Fix calls to
12289 execute_todo. Update curr_properties and initialize .vcg RTL dump
12290 after running the pass. Reset last_verified.
12291 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12293 (FIRST_AUTO_NUMBERED_DUMP): New.
12294 (dump_register): Remove "num" parameter, assign it within the
12296 (get_dump_file_name): Modify template for dumps.
12297 * tree-dump.h (dump_register): Adjust prototype.
12298 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12299 (PROP_trees): Add PROP_gimple_lomp.
12300 (TODO_set_props): New.
12301 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12302 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12303 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12305 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12307 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12308 (sparc64-*-linux*): Likewise.
12309 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12310 * config/sparc/t-linux: New file.
12311 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12312 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12313 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12314 -m32 -mlong-double-128.
12316 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12317 * config/alpha/t-linux: New file.
12318 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12320 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12321 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12322 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12323 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12324 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12325 (CPP_ARCH32_SPEC): Remove.
12327 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12329 PR tree-optimization/26145
12330 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12333 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12336 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12337 >= 240000 when generating code for SOM runtime.
12338 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12339 to $$dyncall when generating code for SOM runtime..
12341 2006-02-07 Dirk Mueller <dmueller@suse.com>
12344 * doc/invoke.texi (-Wsequence-point): Update documentation
12345 that -Wsequence-point is implemented for C++ as well.
12347 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12349 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12350 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12351 (LIB_SPEC): Likewise.
12352 * doc/invoke.texi (SPARC options): Document -pthread.
12354 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12356 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12359 2006-02-07 Roger Sayle <roger@eyesopen.com>
12361 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12362 Correct comment describing BOOLEAN_TYPE.
12364 2006-02-07 Dirk Mueller <dmueller@suse.com>
12366 * c.opt: C++ frontend supports -Wdiv-by-zero.
12367 * c-opts.c (c_common_handle_option): Remove dead case.
12369 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12371 * configure.ac (TLS assembler check): Do not enable TLS by
12372 default on SPARC/Solaris before version 10.
12373 * configure: Regenerate.
12375 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12377 * doc/invoke.texi (xl-compat): Document conversion and support
12380 2006-02-07 Jeff Law <law@redhat.com>
12382 * tree-vrp.c (find_conditional_asserts): Update comments.
12383 (simplify_stmt_for_jump_threading): New.
12384 (identify_jump_threads, finalize_jump_threads): New.
12385 (vrp_finalize): Call identify_jump_threads.
12386 (execute_vrp): Call finalize_jump_threads.
12387 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12388 (vrp_element, vrp_data, vrp_element_p): Remove.
12389 (vrp_hash_elt, vrp_variables_stack): Remove.
12390 (vrp_hash, vrp_eq, record_range): Remove.
12391 (simplify_cond_and_lookup_avail_expr): Remove.
12392 (extract_range_from_cond): Remove.
12393 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12394 (simplify_stmt_for_jump_threading): New.
12395 (dom_thread_across_edge): New wrapper.
12396 (tree_ssa_dominator_optimize): No longer initialize or
12397 finalize any of the VRP datastructures. Remove iteration
12398 step and simplify as a result of removal of iteration step.
12399 (pass_dominator): Perform a cfg cleanup after DOM.
12400 (dom_opt_finalize_block): Use the new common routines
12401 for threading jumps. Simplify stack management slightly.
12402 No longer need to unwind VRP state.
12403 (record_equivalences_from_incoming_edge): No longer record
12405 (eliminate_redundant_computations): No longer call
12406 simplify_cond_and_lookup_avail_expr.
12407 * tree-flow.h (potentially_threadable_block): Prototype.
12408 (thread_across_edge): Likewise.
12409 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12410 (tree-ssa-threadedge.o): Add dependencies.
12411 * tree-ssa-threadedge.c: New file.
12412 * passes.c (init_optimization_passes): Merge PHIs before
12413 calling VRP. Run VRP again late in the SSA optimization pipeline.
12415 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12417 * df-core.c (df_set_blocks): Do not dereference function pointers.
12418 (df_finish1): Likewise.
12419 (df_hybrid_search_forward): Likewise.
12420 (df_hybrid_search_backward): Likewise.
12421 (df_iterative_dataflow): Likewise.
12422 (df_analyze_problem): Likewise.
12423 (df_compact_blocks): Likewise.
12424 (df_dump): Likewise.
12425 * df-scan.c (df_rescan_blocks): Likewise.
12426 (df_record_entry_block_defs): Likewise.
12428 * genconditions.c (write_conditions): Guard the definition of
12429 'insn_conditions' with the check on GCC version.
12430 (write_writer): Guard the traversal 'insn_conditions' with
12431 the check on GCC version.
12433 2006-02-07 Richard Guenther <rguenther@suse.de>
12437 2006-01-30 Richard Guenther <rguenther@suse.de>
12439 * gimplify.c (gimplify_target_expr): Handle easy cases
12440 without creating a temporary.
12442 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12444 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12445 use of float in probability computations. Use edge probabilities
12446 in place of statically computed probabilities.
12447 (min_spec_prob): New static variable.
12448 (schedule_insns): Initialize it.
12449 (GET_SRC_PROB): Removed.
12450 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12452 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12455 * config/ia64/unwind-ia64.c: Revert last change.
12456 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12457 (INCOMING_FRAME_SP_OFFSET): Define.
12459 2006-02-06 Roger Sayle <roger@eyesopen.com>
12461 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12463 2006-02-07 Ben Elliston <bje@au.ibm.com>
12465 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12466 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12467 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12468 (ix86_return_in_memory): Handle TDmode.
12469 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12470 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12472 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12474 * reorg.c (dbr_schedule): Use dump_file instead of file.
12476 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12479 * config/ia64/predicates.md (extr_len_operand): New predicate.
12480 * config/ia64/ia64.md (extv): Tighten constraints.
12482 (*tbit_and_2): Ditto.
12483 (*tbit_and_3): Ditto.
12484 (*tbit_or_2): Ditto.
12485 (*tbit_or_3): Ditto.
12486 (*bit_zero): Ditto.
12489 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12492 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12494 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12496 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12497 loop_optimizer_init and loop_optimizer_finalize
12498 * tree-ssa-sink.c (execute_sink_code): Ditto.
12499 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12500 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12501 tree_ssa_loop_done): Ditto.
12502 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12503 * sched-ebb.c: Include output.h.
12504 (schedule_ebbs): Do not use dump argument.
12505 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12506 * loop.c (loop_dump_stream): Removed.
12507 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12509 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12510 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12511 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12512 loop_iterations, strength_reduce, record_biv, record_giv,
12513 final_giv_value, check_final_value, check_ext_dependent_givs,
12514 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12515 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12516 dump_file instead of loop_dump_stream.
12517 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12518 argument dump_file.
12519 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12521 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12522 * haifa-sched.c: Include output.h
12523 (schedule_insns, sched_init): Do not use dump argument.
12524 * mode-switching.c (optimize_mode_switching): Ditto.
12525 * modulo-sched.c (stats_file): Removed.
12526 (print_node_sched_params): Do not call argument dump_file.
12527 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12528 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12530 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12532 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12533 rtl_loop_init, rtl_loop_done): Ditto.
12534 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12535 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12537 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12538 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12539 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12540 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12541 * emit-rtl.c (renumber_insns): Ditto.
12542 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12543 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12544 * regclass.c (regclass): Ditto.
12545 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12546 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12547 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12548 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12550 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12551 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12553 * gcse.c (gcse_file, debug_stderr): Removed.
12554 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12555 rest_of_handle_gcse): Do not use dump argument.
12556 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12557 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12558 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12559 compute_code_hoist_vbeinout, compute_code_hoist_data,
12560 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12561 compute_store_table, build_store_vectors, insert_insn_start_bb,
12562 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12563 store_motion): Use dump_file instead of gcse_file.
12564 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12565 * profile.c (profile_dump_file): Removed.
12566 (branch_prob): Use dump_file instead of profile_dump_file.
12567 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12569 * tree-ssa-copy.c (dump_copy_of): Ditto.
12570 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12571 dump file to life_analysis.
12572 * bt-load.c (branch_target_load_optimize): Ditto.
12573 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12575 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12576 regclass, dbr_schedule): Declaration changed.
12577 * sched-int.h (sched_init): Declaration changed.
12578 * tree-profile.c (tree_profile_dump_file): Removed.
12579 (tree_profile_hooks): Removed profile_dump_file hook.
12580 * rtl-profile (rtl_profile_dump_file): Removed.
12581 (rtl_profile_hooks): emoved profile_dump_file hook.
12582 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12584 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12585 * tree-cfg.c (build_tree_cfg): Ditto.
12586 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12587 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12588 Declaration changed.
12589 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12590 life_analysis and schedule_insns.
12591 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12593 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12595 * config/mips/mips.c (mips_reorg): Ditto.
12596 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12599 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12601 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12602 (s390_mangle_fundamental_type): New.
12603 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12606 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12607 (alpha_mangle_fundamental_type): New.
12608 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12611 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12613 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12615 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12616 (sparc_mangle_fundamental_type): New.
12618 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12620 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12621 (s390x-*-linux*): Likewise.
12622 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12623 * config/s390/t-linux: New file.
12625 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12627 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12628 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12630 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12632 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12633 (ANTIC_SAFE_LOADS): New macro.
12634 (find_or_generate_expression): Add prototype.
12635 (set_contains_value): Allow null set for sake of not always having
12636 to allocate ANTIC_SAFE_LOADS.
12637 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12638 Allow COMPONENT_REF too.
12639 (valid_in_set): Allow COMPONENT_REF.
12640 Check ANTIC_SAFE_LOADS too.
12641 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12642 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12644 (can_PRE_operation): Add COMPONENT_REF.
12645 (create_component_ref_by_pieces): New function.
12646 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12647 (insert_aux): Move AGGREGATE_TYPE_P check here.
12648 (compute_avail): Set bb local stmt uids.
12649 (pass_pre): Use TODO_update_ssa_only_virtuals.
12651 2006-02-06 Ben Elliston <bje@au.ibm.com>
12653 * configure.ac: Unconditionally disable decimal float by default.
12654 * configure: Regenerate.
12656 2006-02-06 Ben Elliston <bje@au.ibm.com>
12658 * read-rtl.c (read_name): Terminate reading on EOF.
12660 2006-02-06 Ben Elliston <bje@au.ibm.com>
12662 * dfp.c (decimal_real_arithmetic): Change second argument type
12663 from int to enum tree_code. Do not always return true, but now
12664 return result of any call to decimal_do helper functions.
12665 * dfp.h (decimal_real_arithmetic): Update prototype.
12667 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12669 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12671 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12674 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12677 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12679 * tree-vrp.c (cfg_loops): Removed.
12680 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12681 Use current_loops instead of cfg_loops. Pass flags to
12682 loop_optimizer_init.
12683 * cfgloopmanip.c (fix_loop_structure): Update only available
12685 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12686 loop_optimizer_init.
12687 * modulo-sched.c (build_loops_structure): Removed.
12688 (sms_schedule): Use loop_optimizer_init.
12689 * loop-init.c (loop_optimizer_init): Use flags to determine
12690 which properties of loops to prepare.
12691 (rtl_loop_init): Pass flags to loop_optimizer_init.
12692 * tree-ssa-sink.c (execute_sink_code): Ditto.
12693 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12694 * tree-ssa-pre.c (init_pre): Ditto.
12695 * cfgloop.h (LOOPS_NORMAL): New.
12696 (loop_optimizer_init): Declaration changed.
12698 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12700 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12701 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12703 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12705 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12707 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12708 * pa/t-pa64: Delete quadlib.c rule.
12709 * pa/x-ada: Revert last change.
12710 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12712 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12714 PR rtl-optimization/26087
12715 * rtlanal.c (canonicalize_condition): Do not cross basic block
12718 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12721 * config/ia64/ia64.c: Include debug.h.
12722 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12723 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12724 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12725 (process_epilogue, process_set, process_for_unwind_directive):
12726 Output unwind info only if requested. Add CFA info if requested.
12727 Add new arguments as needed. Adjust callers.
12728 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12730 (DWARF2_FRAME_INFO): Define to zero.
12731 * config/ia64/unwind-ia64.c: Remove code that compensated for
12732 the CFA offset error fixed above.
12733 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12734 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12735 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12736 -funwind-tables and -fexceptions to enable frame info.
12737 (dwarf2out_frame_init): Define initial CFA even if
12738 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12739 DWARF2_UNWIND_INFO is nonzero, not just defined.
12740 (dwarf2out_frame_finish): Output non-EH call frame info only
12741 if DWARF2_FRAME_INFO is nonzero.
12742 (convert_cfa_to_loc_list,
12743 compute_frame_pointer_to_cfa_displacement): Define even if
12744 unwind info is not supported.
12745 (gen_subprogram_die): Use the above unconditionally. Remove
12746 legacy alternate code.
12747 * toplev.c (compile_file): Compile in call to
12748 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12749 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12751 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12752 Jakub Jelinek <jakub@redhat.com>
12754 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12755 IBM extended float format long double as "g" on powerpc*-linux.
12757 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12760 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12761 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12763 2006-02-03 Jason Merrill <jason@redhat.com>
12766 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12768 PR middle-end/25977
12769 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12770 on the return slot if it's an NRV.
12772 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12774 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12775 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12776 rewrite_use): Do not handle USE_OUTER.
12777 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12778 add_iv_outer_candidates, may_replace_final_value,
12779 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12780 (find_interesting_uses_op): Functionality of
12781 find_interesting_uses_outer_or_nonlin moved here.
12782 (find_interesting_uses_outside): Use find_interesting_uses_op.
12784 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12787 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12789 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12790 Ulrich Weigand <uweigand@de.ibm.com>
12793 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12794 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12795 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12796 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12798 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12799 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12800 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12801 Define secondary reloads for TFmode moves.
12802 (constant_modes): Add TFmode.
12803 (NR_C_MODES): Set to 8.
12804 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12806 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12807 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12808 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12809 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12810 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12811 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12812 (FPR mode macro): Add TFmode.
12813 (DSF mode macro): New.
12814 (<de>, <dee> mode attributes): Removed.
12815 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12816 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12817 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12818 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12819 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12820 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12821 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12822 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12823 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12824 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12825 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12826 "*negabs<mode>2", "sqrt<mode>2"):
12827 Changed <de> to <xde>. R constraint replaced by <Rf>.
12828 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12830 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12831 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12832 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12834 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12835 "extenddftf2", "extendsftf2"): New expanders.
12836 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12837 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12838 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12839 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12841 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12842 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12843 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12844 __floatditf): Add a GCC_4.1.0 symbol version tag.
12845 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12848 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12851 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12852 Use targetm.binds_local_p instead of TREE_PUBLIC.
12854 2006-02-02 Roger Sayle <roger@eyesopen.com>
12856 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12857 on INTEGER_TYPEs to indicate that it denotes a character type.
12858 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12859 signed_char_type_node, unsigned_char_type_node and char_type_node.
12860 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12861 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12862 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12864 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12865 Daniel Berlin <dberlin@dberlin.org>
12867 * tree-tailcall.c (arg_needs_copy_p): New function.
12868 (eliminate_tail_call): Use arg_needs_copy_p.
12869 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12870 (add_virtual_phis): New function.
12872 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12874 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12875 #ignore instead of #scratch for %g7 .register directive.
12877 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12879 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12882 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12884 * flow.c (calculate_global_regs_live): Assert that there aren't any
12887 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12889 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12890 what its name says.
12891 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12892 bsi_after_labels iterator.
12893 * tree-if-conv.c (find_phi_replacement_condition,
12894 replace_phi_with_cond_modify_expr): Likewise.
12895 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12896 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12898 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12900 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12902 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12905 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12906 array after growing it.
12908 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12910 PR middle-end/24901
12911 * fold-const.c (fold_checksum_tree): Change type of buf.
12913 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12915 * reload.c (push_secondary_reload): Initialize t_icode.
12917 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12919 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12920 -msoft-float -mlong-double-128 only issue a warning, but don't
12921 swich to DFmode long double.
12923 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12925 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12926 has a constant equivalent, iterate over equivalents for arg0,
12927 calling simplify_relational_operation and if there's a result
12928 cheaper than X, apply fold_rtx and return the result.
12930 2006-02-01 Jan Hubicka <jh@suse.cz>
12932 * opts.c (no_unit_at_a_time_default): New global variable.
12933 (decode_options): Use it.
12934 * opts.h (no_unit_at_a_time_default): Declare.
12936 2006-02-01 Paul Brook <paul@codesourcery.com>
12938 * function.c (assign_parm_setup_reg): Use function argument promotion
12940 * expr.c (expand_expr_real_1): Use function argument promotion rules
12943 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12945 * gcc.c (process_command): Change j to 'unsigned int'.
12947 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12949 PR middle-end/26001
12950 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12951 Use the corrected index for the character
12952 out of the string constant.
12954 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12956 * mode-switching.c (optimize_mode_switching): Fix size
12957 allocated for bb_info[n_entities].
12959 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12961 * gcc.c (main): Correct type that is allocated for
12962 explicit_link_files.
12964 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12966 * config/s390/s390.c (init_alignment_context): Set
12967 ALIAS_SET_MEMORY_BARRIER on the MEM.
12968 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12970 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12972 PR middle-end/25933
12973 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12975 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12978 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12980 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12981 * regrename.c: Ditto.
12982 * tree-ssa-loop-im.c: Ditto.
12983 * tree-dump.c: Ditto.
12984 * tree-complex.c: Ditto.
12985 * genrecog.c: Ditto.
12986 * tree-ssa-threadupdate.c: Ditto.
12988 * java/class.c: Ditto.
12989 * java/jcf-parse.c: Ditto.
12990 * java/resource.c: Ditto.
12991 * java/except.c: Ditto.
12992 * java/jvspec.c: Ditto.
12993 * java/jcf-write.c: Ditto.
12994 * java/jcf-path.c: Ditto.
12995 * java/gjavah.c: Ditto.
12996 * java/zextract.c: Ditto.
12997 * java/jcf-io.c: Ditto.
12998 * java/jcf.h: Ditto.
12999 * java/buffer.c: Ditto.
13000 * java/lang.c: Ditto.
13001 * java/parse-scan.y: Ditto.
13002 * java/lex.c: Ditto.
13003 * java/lex.h: Ditto.
13004 * cfgloopmanip.c: Ditto.
13005 * postreload-gcse.c: Ditto.
13006 * tree-ssa-loop-manip.c: Ditto.
13007 * postreload.c: Ditto.
13008 * tree-ssa-loop-ch.c: Ditto.
13011 * cppspec.c: Ditto.
13012 * diagnostic.c: Ditto.
13014 * genoutput.c: Ditto.
13016 * cfghooks.c: Ditto.
13017 * cfgloopanal.c: Ditto.
13018 * objc/objc-act.c: Ditto.
13020 * genextract.c: Ditto.
13021 * genautomata.c: Ditto.
13022 * pretty-print.c: Ditto.
13023 * genemit.c: Ditto.
13024 * cgraphunit.c: Ditto.
13026 * df-scan.c: Ditto.
13027 * haifa-sched.c: Ditto.
13028 * dominance.c: Ditto.
13030 * tree-ssa-loop-ivopts.c: Ditto.
13031 * df-core.c: Ditto.
13032 * mode-switching.c: Ditto.
13033 * modulo-sched.c: Ditto.
13035 * ipa-pure-const.c: Ditto.
13037 * fix-header.c: Ditto.
13039 * tree-stdarg.c: Ditto.
13040 * ipa-utils.c: Ditto.
13041 * loop-init.c: Ditto.
13042 * ipa-inline.c: Ditto.
13043 * cfganal.c: Ditto.
13045 * alloc-pool.c: Ditto.
13046 * dwarf2out.c: Ditto.
13048 * genattrtab.c: Ditto.
13049 * tree-ssa-loop-ivcanon.c: Ditto.
13050 * predict.c: Ditto.
13051 * timevar.c: Ditto.
13053 * fortran/gfortranspec.c: Ditto.
13054 * regmove.c: Ditto.
13055 * local-alloc.c: Ditto.
13056 * langhooks.c: Ditto.
13057 * function.c: Ditto.
13058 * tree-vectorizer.c: Ditto.
13060 * ipa-type-escape.c: Ditto.
13062 * tree-if-conv.c: Ditto.
13063 * profile.c: Ditto.
13065 * tree-data-ref.c: Ditto.
13066 * loop-unroll.c: Ditto.
13067 * treelang/treetree.c: Ditto.
13069 * bt-load.c: Ditto.
13070 * ggc-common.c: Ditto.
13072 * coverage.c: Ditto.
13074 * tree-cfgcleanup.c: Ditto.
13075 * tree-ssa-pre.c: Ditto.
13076 * cfgcleanup.c: Ditto.
13077 * loop-invariant.c: Ditto.
13078 * loop-iv.c: Ditto.
13079 * ipa-prop.c: Ditto.
13080 * print-tree.c: Ditto.
13081 * conflict.c: Ditto.
13082 * ggc-page.c: Ditto.
13083 * sched-deps.c: Ditto.
13084 * regclass.c: Ditto.
13085 * tree-object-size.c: Ditto.
13086 * combine.c: Ditto.
13087 * bb-reorder.c: Ditto.
13088 * resource.c: Ditto.
13089 * var-tracking.c: Ditto.
13090 * cfgloop.c: Ditto.
13091 * df-problems.c: Ditto.
13092 * reg-stack.c: Ditto.
13094 * gccspec.c: Ditto.
13095 * sched-rgn.c: Ditto.
13096 * tree-ssa-structalias.c: Ditto.
13097 * tree-ssa-reassoc.c: Ditto.
13098 * config/darwin-c.c: Ditto.
13099 * config/darwin.c: Ditto.
13100 * config/arm/arm.c: Ditto.
13102 * collect2.c: Ditto.
13103 * reload1.c: Ditto.
13105 2006-01-31 Nicolas Pitre <nico@cam.org>
13107 * arm.md (smaxsi3): Make aware of smax_m1.
13110 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13112 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13114 2006-01-31 Richard Guenther <rguenther@suse.de>
13116 * doc/invoke.texi (-msselibm): Document.
13117 * target.h (expand_library_builtin): New target hook.
13118 * builtins.c (expand_builtin): Use expand_library_builtin.
13119 (default_expand_library_builtin): New function.
13120 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13121 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13122 (link_gcc_math_spec): Declare.
13123 (static_specs): Add link_gcc_math_spec.
13124 * expr.h (default_expand_library_builtin): Declare.
13125 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13126 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13127 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13128 * config/i386/i386.opt (msselibm): New target option.
13129 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13130 (ix86_init_sse_abi_builtins): New function.
13131 (ix86_expand_library_builtin): Likewise.
13132 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13133 (override_options): Handle error conditions wrt -msselibm.
13134 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13135 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13136 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13139 2006-01-31 Richard Guenther <rguenther@suse.de>
13140 Paolo Bonzini <bonzini@gnu.org>
13142 * doc/install.texi (--disable-libgcc-math): Document.
13144 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13146 * expr.h (expand_normal): new inline function.
13147 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13148 * dojump.c: use it.
13149 * dwarf2out.c: use it.
13152 * expmed.c: use it.
13153 * except.c: use it.
13154 * config/sparc/sparc.c: use it.
13155 * config/i386/i386.c: use it.
13156 * config/rs6000/rs6000.c: use it.
13157 * config/arm/arm.c: use it.
13158 * config/mips/mips.c: use it.
13159 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13161 2006-01-30 Roger Sayle <roger@eyesopen.com>
13163 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13164 argv to the appropriate type.
13166 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13168 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13171 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13174 * config/s390/s390.c (struct machine_function): New flag
13175 decomposed_literal_pool_addresses_ok_p.
13176 (s390_reorg): Set it before final stage of literal pool transforms.
13177 (s390_decompose_address): Only accept displacements of the form
13178 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13180 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13182 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13183 the comparison routine return.
13185 2006-01-30 Michael Matz <matz@suse.de>
13187 * global.c (find_reg): Only evict for global regs.
13188 Take n_refs into account and dump more info.
13190 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13193 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13194 (pragma_trap, pragma_nosave_low_regs): Likewise.
13195 (current_function_anonymous_args): Likewise.
13196 (sh_deferred_function_attributes): New variable.
13197 (sh_deferred_function_attributes_tail): Likewise.
13198 (print_operand): For '@', look up trap_exit attribute.
13199 (calc_live_regs): Look up trapa_handler attribute. For trapa
13200 handlers, save/restore fpscr, but don't do any other
13201 interrupt-specific saves.
13202 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13203 Fix check for partially saved registers to check for SHmedia.
13204 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13205 (sh_output_function_epilogue): Don't clear any of the removed
13207 (sh_insert_attributes): Don't check pragma_interrupt.
13208 Insert deferred attributes. Check that interrupt attribute is
13209 present for other attributes that require its presence.
13210 (sh_attribute_table): Add new attributes trapa_handler and
13212 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13213 Don't check for pragma_interrupt. Don't store argument.
13214 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13215 (sh_deferred_function_attributes): Declare.
13216 (sh_deferred_function_attributes_tail): Likewise.
13217 * sh.md (sp_switch_1): Add operand. Change generator caller.
13218 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13219 (*return_i): Don't use when trap_exit attribute is in effect.
13220 (*return_trapa): New insn pattern.
13221 * sh-c.c: New file.
13222 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13223 setting c_target_objs and cxx_target_objs.
13224 * t-sh: Add rule for sh-c.o.
13226 2006-01-30 Richard Guenther <rguenther@suse.de>
13229 * gimplify.c (gimplify_target_expr): Handle easy cases
13230 without creating a temporary.
13232 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13234 * vec.h (safe_grow): Remove duplicated line.
13236 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13239 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13240 (expand_omp): ... here.
13241 (expand_omp_parallel): Only remove barriers for combined
13242 parallel+workshare constructs.
13244 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13248 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13249 * tree.c (build_qualified_type): Chain the new type to the original
13250 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13251 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13252 (build_pointer_type_for_mode): Only return unqualified types.
13253 (build_reference_type_for_mode): Likewise.
13255 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13257 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13258 * Makefile.in (CXX_COMPAT_WARN): Define.
13259 * configure: Regenerate.
13261 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13264 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13267 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13269 * toplev.c: Fix thinko.
13271 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13272 Marcin Dalecki <martin@dalecki.de>
13274 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13275 (push_srcloc): Use XNEW.
13276 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13278 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13280 * df-core.c (df_set_blocks): Deleted all variable.
13282 2006-01-28 Ian Lance Taylor <ian@airs.com>
13284 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13285 cgraph_output_pending_asms.
13287 2006-01-28 Zack Weinberg <zackw@panix.com>
13289 * c.opt: Add -W(no-)overlength-strings.
13290 * doc/invoke.texi: Document it.
13291 * c-opts.c (c_common_handle_option): -pedantic implies
13292 -Woverlength-strings, if not explicitly disabled already.
13293 (c_common_post_options): -Woverlength-strings defaults to off, and
13294 is always off for C++.
13295 * c-common.c (fix_string_type): Issue warning about strings longer
13296 than is portable only if warn_overlength_strings. Rearrange code
13297 a little for clarity.
13298 * configure.in: Check for -Wno-overlength-strings as well before
13299 enabling -pedantic in stage 1.
13300 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13301 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13303 * genconditions.c (write_header, write_one_condition)
13304 (write_conditions, write_writer): Consolidate very long strings
13305 that were broken up to fit in C89 portable limit. Don't use
13306 printf when fputs will do.
13308 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13310 * combine.c (simplify_comparison <AND>): Check
13311 TRULY_NOOP_TRUNCATION before start using a subreg.
13313 * config/mips/mips.md (*branch_zero<mode>,
13314 *branch_zero<mode>_inverted, *branch_equality<mode>,
13315 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13316 Remove mode check from comparisons.
13318 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13320 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13322 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13324 * expmed.c (const_mult_add_overflow_p): Remove.
13325 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13327 * recog.c (validate_replace_rtx_subexp): Remove.
13328 * recog.h: Remove the prototype for
13329 validate_replace_rtx_subexp.
13331 * integrate.h: Remove the prototype for
13332 copy_decl_for_inlining.
13333 * rtl.h: Remove the prototype for mark_constant_function.
13334 * tree-vectorizer.h: Remove the prototype for
13335 vect_strip_conversion.
13337 * modulo-sched.c (create_partial_schedule,
13338 free_partial_schedule, reset_partial_schedule): Make them
13341 * hooks.c (hook_bool_rtx_int_false): Remove.
13342 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13344 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13346 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13347 and -mlong-double-128 are incompatible.
13348 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13349 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13350 (TARGET_LIBGCC2_CFLAGS): Define.
13351 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13352 (TARGET_LIBGCC2_CFLAGS): Same.
13353 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13355 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13358 * c-typeck.c (build_binary_op): Perform implicit casts of
13359 operands before shortening them.
13361 * cfgloopmanip.c (split_loop_bb): Remove.
13362 * cfgloop.h: Remove the prototype for split_loop_bb.
13364 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13365 * cfgloop.h: Remove the prototype for
13366 flow_loop_outside_edge_p.
13368 * emit-rtl.c (init_virtual_regs): Make it static.
13369 * function.h: Remove the prototype for init_virtual_regs.
13371 * recog.c (peephole2_optimize): Make it static.
13372 * recog.h: Remove the prototype for peephole2_optimize.
13374 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13376 * df-scan.c (df_record_entry_block_defs): Check if
13377 INCOMING_RETURN_ADDR_RTX is defined.
13379 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13380 Kenneth Zadeck <zadeck@naturalbridge.com>
13382 PR rtl-optimization/24762
13383 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13384 * targhooks.c (hook_void_bitmap): New hook prototype.
13385 * targhoohs.h (hook_void_bitmap): Ditto.
13386 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13387 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13388 * target.h (live_on_entry): New function pointer.
13389 * df-scan.c (df_all_hard_regs): Removed.
13390 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13391 (df_scan_free_internal): Added df->entry_block_defs.
13392 (df_scan_alloc): Ditto.
13393 (df_scan_dump): Ditto.
13394 (df_uses_record): Plumbed flag field properly thru calls.
13395 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13396 This part fixes PR24762.
13397 (df_bb_refs_record): Added code to make the frame and arg
13398 pointers live in EH blocks.
13399 (df_refs_record): Added call to df_record_entry_block_defs.
13400 (df_record_entry_block_defs): New function.
13401 * df-core.c: Added comments to describe new artifical defs.
13402 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13403 (entry_block_defs): New field in struct df.
13404 (df_all_hard_regs): Deleted.
13405 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13406 * df-problems.c (df_ru_bb_local_compute_process_def):
13407 Added code to handle artifical defs in the entry to a function.
13408 (df_ru_bb_local_compute): Ditto.
13409 (df_rd_bb_local_compute_process_def): Ditto.
13410 (df_rd_bb_local_compute): Ditto.
13411 (df_lr_bb_local_compute): Ditto.
13412 (df_ur_bb_local_compute): Ditto.
13413 (df_urec_bb_local_compute): Ditto.
13414 (df_chain_create_bb): Ditto.
13415 (df_ur_local_finalize): Removed entry.
13416 (df_urec_init): Ditto.
13417 (df_urec_local_finalize): Ditto.
13418 (df_ri_bb_compute): Added detection of last use of pseudos.
13419 * Makefile.in (df-scan.o): Updated dependencies.
13420 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13421 * config/mips/mips.c (mips_set_live_on_entry): Added.
13422 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13424 * dce.c (marked_insn_p): Added code to handle artifical defs.
13426 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13428 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13430 (_mm_cvtsi128_si64): Likewise.
13431 (_mm_cvtsd_si64): Likewise.
13432 (_mm_cvttsd_si64): Likewise.
13433 (_mm_cvtsi64_sd): Likewise.
13434 (_mm_cvtsi64_si128): Likewise.
13435 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13436 (_mm_cvtsi64_m64): Likewise.
13437 (_m_to_int64): Likewise.
13438 (_mm_cvtm64_si64): Likewise.
13439 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13440 (_mm_cvttss_si64): Likewise.
13441 (_mm_cvtsi64_ss): Likewise.
13442 (_mm_cvtss_f32): Likewise.
13444 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13446 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13447 for pragma redefine_extname.
13449 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13452 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13453 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13454 -mno-minimal-toc to previous content.
13455 (bispecs): Remove goal.
13456 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13457 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13458 compatibility aliases on powerpc-*-*gnu*.
13459 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13460 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13461 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13462 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13463 (ldblspecs): New goal.
13464 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13465 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13467 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13468 L_sf_to_tf or L_df_to_tf is defined.
13470 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13471 Alan Modra <amodra@bigpond.net.au>
13474 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13475 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13476 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13477 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13478 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13479 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13480 (rs6000_override_options): Initialize rs6000_ieeequad.
13481 Initialize TFmode format to ibm_extended_format if not
13483 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13485 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13486 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13487 (function_arg_advance): IBM long double passed in two FPRs, not
13489 (function_arg): IBM long double passed in FPRs.
13490 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13491 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13492 Only multireg GPR aligned.
13493 (rs6000_init_libfuncs): Enable IBM long double functions if not
13495 (rs6000_generate_compare): Use IBM long double compare if not
13497 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13498 (TARGET_IEEEQUAD): Define.
13499 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13500 not TARGET_IEEEQUAD.
13501 * config/rs6000/rs6000.md: Enable TFmode patterns if
13503 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13504 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13505 and -mlong-double-128 are incompatible.
13506 * doc/invoke.texi (-mabi): Collect options together. Add
13507 ibmlongdouble and ieeelongdouble.
13509 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13511 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13513 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13514 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13515 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13516 * rtl.h (rtunion_def): Remove rt_ptr.
13518 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13519 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13520 * config/i386/winnt.c (i386_pe_mark_dllexport)
13521 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13523 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13525 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13527 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13531 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13532 pthread_key_delete. From John David Anglin. gthrw-ify
13533 pthread_getunique_np only if it it's not a macro. Delete
13535 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13536 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13537 __gthread_objc_condition_signal, __gthread_key_delete): Add
13538 "__attribute__ ((__unused__))" to unused arguments.
13539 (__gthread_recursive_mutex_init_function): Add missing return.
13540 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13541 gthr-posix95.h: Use macro-based approach for name redirection
13542 on targets missing weakref.
13544 2006-01-26 Zack Weinberg <zackw@panix.com>
13546 * genconditions.c (write_header): In generated code, #ifdef out
13547 all includes and fake declarations, except includes of bconfig.h
13548 and system.h, unless GCC_VERSION >= 3001. Do not include
13549 gensupport.h in any case.
13550 (write_conditions): Generate a definition of struct c_test. Add
13551 a comment to the generated #endif.
13552 (write_one_condition): Escape backslashes in string too.
13553 (write_writer): Generated code must escape backslashes and quote
13554 marks (but not newlines) in the strings it writes.
13555 * Makefile.in (build/gencondmd.o): Update dependencies.
13557 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13560 * Makefile.in (insn-automata.o): Add header file dependencies.
13561 * genautomata.c: Add includes.
13563 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13566 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13568 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13570 * configure.ac: Expect target tools paths to be passed from the toplevel
13571 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13573 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13575 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13578 * c.opt (Wpointer-sign): Init to -1.
13579 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13580 OPT_pedantic, to 0 otherwise.
13581 * doc/invoke.texi: Update.
13583 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13585 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13586 constants provided by 80387 instructions in the destination mode.
13588 2006-01-26 Richard Guenther <rguenther@suse.de>
13589 Andrew Pinski <pinskia@physics.uc.edu>
13592 partial PR tree-opt/17064
13593 * tree-ssa-structalias.c (intra_create_variable_infos):
13594 Create heap variables for incoming parameters if
13595 flag_argument_noalias > 1.
13596 (find_what_p_points_to): Look through default defs of
13599 2006-01-26 Jeff Law <law@redhat.com>
13602 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13603 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13604 within the VR_RANGE, use the VR_RANGE as the result, not the
13606 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13607 bounds for the type.
13609 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13611 * tree-ssa-alias.c (maybe_create_global_var): Change
13612 subvar walking to an assertion that we don't have subvar'd variables.
13614 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13617 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13618 Use a new variable, inner. PARM_DECLs are always non-weak.
13620 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13622 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13623 --disable-checking.
13625 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13627 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13629 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13631 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13632 (smax_insn, smin_insn, smax_0, smin_0): New.
13634 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13637 * config/cris/cris.c (cris_order_for_addsi3): New function.
13638 * config/cris/cris-protos.h: Prototype it.
13639 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13640 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13641 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13642 (split for "op.S1 [rx=rx+i],ry (swapped)")
13643 (split for "op(s|u).S1 [rx=rx+i],ry")
13644 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13645 Apply cris_order_for_addsi3 when generating addsi3 insns.
13647 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13649 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13650 (TREE_BLOCK): Add call to EXPR_CHECK.
13652 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13655 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13656 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13657 (dump_omp_clauses): ... here.
13658 (dump_generic_node): Handle OMP_CLAUSE.
13659 * tree.c (omp_clause_num_ops): New.
13660 (omp_clause_code_name): New.
13661 (tree_code_size): Handle OMP_CLAUSE.
13662 (tree_size): Likewise.
13663 (make_node): Document handling of OMP_CLAUSE.
13664 (tree_node_structure): Handle OMP_CLAUSE.
13665 (omp_clause_check_failed): New.
13666 (omp_clause_range_check_failed): New.
13667 (omp_clause_operand_check_failed): New.
13668 (build_omp_clause): New.
13669 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13670 * tree.h (enum omp_clause_code): Declare.
13671 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13672 (OMP_CLAUSE_RANGE_CHECK): Define.
13673 (OMP_CLAUSE_ELT_CHECK): Define.
13674 (omp_clause_check_failed): Declare.
13675 (omp_clause_operand_check_failed): Declare.
13676 (omp_clause_range_check_failed): Declare.
13677 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13678 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13679 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13680 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13681 (OMP_CLAUSE_IF_EXPR): Likewise.
13682 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13683 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13684 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13685 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13686 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13687 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13688 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13689 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13690 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13691 (OMP_CLAUSE_CODE): Define.
13692 (OMP_CLAUSE_SET_CODE): Define.
13693 (OMP_CLAUSE_CODE): Define.
13694 (OMP_CLAUSE_OPERAND): Define.
13695 (struct tree_omp_clause): Declare.
13696 (union tree_node): Add field 'omp_clause'.
13697 * treestruct.def (TS_OMP_CLAUSE): Define.
13698 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13699 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13700 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13701 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13702 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13703 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13704 (OMP_CLAUSE): Define.
13705 * print-tree.c (print_node): Handle OMP_CLAUSE.
13706 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13707 * c-typeck.c: Likewise.
13708 * gimplify.c: Likewise.
13709 * c-omp.c: Likewise.
13710 * tree-nested.c: Likewise.
13711 * tree-inline.c: Likewise.
13712 * c-parser.c: Likewise.
13713 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13716 2006-01-25 Roger Sayle <roger@eyesopen.com>
13718 PR rtl-optimization/25703
13719 * combine.c (try_combine): Handle zero_extract and strict_low_part
13720 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13722 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13724 * global.c: Fix comment typos.
13726 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13729 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13730 Use output_addr_const instead of assemble_name.
13732 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13734 * Makefile.in (sched-vis.o): Update dependencies.
13735 * haifa-sched.c (sched_finish): Clear current_sched_info.
13736 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13737 (dump_flow_info): Call it.
13738 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13740 * basic-block.h (dump_bb_info): Declare.
13741 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13742 option, and apply options only for dump files whose TDF_RTL,
13743 TDF_TREE, or TDF_IPA bits match.
13744 * rtl.h: Declare new functions exported from sched-vis.c.
13745 * sched-vis.c: Enable also if scheduling is not used.
13746 (print_value): Print the mode of registers if not inside scheduling.
13747 (print_insn): Make it work outside the scheduler. Beautify the output
13749 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13751 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13753 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13754 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13755 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13756 depending on the value of CONSTANT_POOL_ADDRESS_P.
13757 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13759 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13760 rather than SYMBOL_REF_DECL.
13761 (rtx_constant_pool): Remove const_rtx_sym_htab.
13762 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13763 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13764 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13765 Remove handling of const_rtx_sym_htab.
13766 (find_pool_constant): Delete.
13767 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13768 rather than find_pool_constant.
13769 (get_pool_constant_for_function): Delete.
13770 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13771 find_pool_constant.
13772 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13773 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13774 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13775 (SYMBOL_REF_CONSTANT): New macro.
13776 (get_pool_constant_for_function): Delete.
13777 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13778 rather than SYMBOL_REF_DECL.
13779 (i386_pe_mark_dllimport): Likewise.
13780 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13781 rather than SYMBOL_REF_DECL.
13782 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13783 (machopic_indirect_call_target): Likewise.
13785 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13787 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13789 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13791 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13793 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13795 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13797 2006-01-24 David Daney <ddaney@avtrex.com>
13800 * configure.ac (enable_tls): New enable option.
13801 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13802 * configure: Regenerate.
13803 * doc/install.texi (--enable-tls): Document new option.
13804 (--disable-tls): Ditto.
13806 2006-01-24 Richard Henderson <rth@redehat.com>
13808 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13809 * alias.c (true_dependence): Respect it.
13810 (canon_true_dependence, write_dependence_p): Likewise.
13811 * builtins.c (get_builtin_sync_mem): Set it.
13813 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13815 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13818 2006-01-24 DJ Delorie <dj@redhat.com>
13820 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13821 for storing constants in single-bit bitfields.
13823 2006-01-25 Ben Elliston <bje@au.ibm.com>
13825 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13827 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13830 * tree-ssa-pre.c (phi_translate): Return NULL
13831 for AGGREGATE_TYPE's.
13833 2006-01-24 Zack Weinberg <zackw@panix.com>
13835 * genautomata.c (process_state_for_insn_equiv_partition):
13836 Use xcalloc for insn_arcs_array.
13837 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13838 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13840 2006-01-24 Richard Henderson <rth@redhat.com>
13842 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13843 update all callers.
13845 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13847 PR rtl-optimization/25890
13848 PR rtl-optimization/25905
13849 * combine.c (expand_compound_operation, expand_field_assignment):
13850 Fail if the bitfield's final position is out of bounds.
13852 2006-01-24 Ian Lance Taylor <ian@airs.com>
13854 PR middle-end/25930
13855 * cgraphunit.c (cgraph_output_in_order): Don't clear
13856 cgraph_asm_nodes until after asm strings have been output.
13858 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13860 * fix-header.c (read_scan_file): Add new parameter imultilib when
13861 calling register_include_chains.
13863 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13865 * omp-low.c: Update documentation.
13867 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13868 Daniel Berlin <dberlin@dberlin.org>
13872 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13873 return from the function.
13875 2006-01-22 Zack Weinberg <zackw@panix.com>
13877 * rtl.def (match_code): Add second argument.
13878 * genpreds.c (write_extract_subexp): New function.
13879 (write_match_code): Add path argument. Use write_extract_subexp.
13880 (write_predicate_expr): Pass path to write_match_code.
13881 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13882 not perform a mode test.
13883 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13884 a subexpression does not constrain the top-level code set.
13885 * read-rtl.c (read_rtx_variadic): New function.
13886 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13887 * doc/md.texi: Document new notation.
13888 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13889 (cmpsi_operand): ... here, using new notation.
13891 2006-01-22 Zack Weinberg <zackw@panix.com>
13893 * varray.c: Remove GENERATOR_FILE #ifdefs.
13895 2006-01-22 Zack Weinberg <zackw@panix.com>
13897 * genautomata.c (output_reserved_units_table): Emit nothing if
13898 description->query_units_num is zero. Remove extra blank line.
13899 (output_cpu_unit_reservation_p): Short circuit
13900 if description->query_units_num is zero.
13902 2006-01-22 Zack Weinberg <zackw@panix.com>
13904 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13905 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13906 nor any of the random handful of variables that used to be necessary
13907 when this program was linked with rtlanal.o. Prune set of forward
13908 function declarations.
13909 (struct attr_desc): Remove static_p field.
13910 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13911 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13912 (attr_string): Do not read the character one past the length of
13914 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13915 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13916 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13917 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13918 (make_automaton_attrs): New.
13919 (main): Do not call into genautomata. Call local gen_bypass
13920 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13921 Remove special case for insn_alts.
13922 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13923 varray.h (leftover from previous change). Prune set of forward
13924 function declarations. Remove state_alts fields from all
13925 structures. Remove state_alts_table from struct automaton.
13926 Make everything except main static. Do not maintain num_dfa_decls.
13927 Do not maintain state_alts fields of various structures.
13928 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13929 (add_arc): Remove state_alts argument. All callers updated.
13930 (output_reserved_units_table): Emit #ifdef here...
13931 (output_tables): ...not here. Don't generate state_alts tables.
13932 (expand_automata): Don't generate attributes.
13933 (write_automata): Don't generate state_alts functions.
13934 (main): New function.
13935 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13936 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13937 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13938 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13939 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13940 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13941 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13942 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13944 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13945 * genattrtab.h: Delete file.
13946 * Makefile.in (OBJS-common): Add insn-automata.o.
13947 (insn-automata.o): New rule.
13948 (simple_generated_c): Add insn-automata.c.
13949 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13950 (genprogmd): Add automata.
13951 (build/genattrtab): Needs no extra objects nor libraries.
13952 (build/genautomata): Needs build/vec.o and -lm.
13954 2006-01-22 Zack Weinberg <zackw@panix.com>
13956 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13957 (output_dfa_max_issue_rate, locked_states_num): Delete.
13958 (struct automaton): Add locked_states field.
13959 (output_dead_lock_vect): Save number of locked states in
13960 automaton->locked_states. If it is zero, don't print anything.
13961 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13962 (output_internal_dead_lock_func): Only test the dead_lock_vect
13963 for automata that have locked states.
13964 (output_statistics): Always print the number of locked states for
13965 each automaton. Calculate total number of locked states here.
13966 (write_automata): Don't call output_dfa_max_issue_rate.
13967 * genattrtab.c: Define length_unit_log as a const variable.
13968 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13969 max_insn_queue_index const.
13970 * final.c (length_unit_log): Declare const.
13971 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13973 2006-01-22 Zack Weinberg <zackw@panix.com>
13975 * genautomata.c: Include vec.h, not varray.h.
13976 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13977 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13978 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13979 VEC_* macros operating on appropriately typed vectors, or to
13980 malloced arrays when the size is known in advance. Const-ify
13981 many char* variables and function arguments. No functional changes.
13982 * Makefile.in (build/varray.o): Delete rule.
13983 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13984 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13986 2006-01-22 Zack Weinberg <zackw@panix.com>
13988 * gensupport.c: Define get_insn_name and record_insn_name here.
13989 (read_md_rtx): Call record_insn_name as appropriate.
13990 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13991 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13992 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13994 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13995 (BUILD_VARRAY): Delete.
13996 (genprognormal): Rename genprogmd. Fold in all programs from
13997 genprognoprint; also attrtab.
13998 (build/genattrtab): Just mention genautomata.o and varray.o.
13999 Reorganize a bit, add comments to make the categories clearer.
14001 2006-01-22 Zack Weinberg <zackw@panix.com>
14003 * genconditions.c (condition_table, add_condition): Delete.
14004 (write_conditions): Don't emit n_insn_conditions nor
14005 insn_elision_unavailable. Issue the gcc version #ifdef here,
14006 inside the table, with no #else clause ...
14007 (write_header): ...not here.
14008 (write_writer): New function.
14009 (main): Don't initialize condition_table. Use add_c_test.
14011 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14012 files on the command line.
14013 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14014 Return -1 if there is no entry in the table, don't abort.
14015 (add_c_test, traverse_c_tests): New functions.
14016 * gensupport.h (insn_elision_unavailable, insn_conditions)
14017 (n_insn_conditions): Delete declarations.
14018 (add_c_test, traverse_c_tests): Declare.
14019 * read-rtl.c: Include gensupport.h.
14020 (read_conditions): New function.
14021 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14022 (read_rtx_1): If we get EOF when we were looking for an initial
14023 open paren, return 0. Call read_conditions when appropriate.
14024 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14025 dummy-conditions.o. Eliminate references to insn-conditions.o,
14026 or change them to build/gencondmd.o, as appropriate. Remove
14027 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14028 from $(simple_generated_c). For all files remaining in those
14029 two lists, add insn-conditions.md to the generator command line.
14030 Give insn-constants.h/s-constants their own rules. Add rules
14031 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14032 (build/read-rtl.o): Depend on gensupport.h.
14033 (genprognormal): Include preds.
14034 (genprogearly): Rename genprognoprint; only difference is now that
14035 they don't link with $(BUILD_PRINT).
14036 * dummy-conditions.c: Delete.
14038 2006-01-22 Zack Weinberg <zackw@panix.com>
14040 * genextract.c: Don't include insn-config.h. Do include vec.h.
14041 Declare vectors of int, char, and locstr.
14042 (locstr): New typedef.
14043 (struct extraction): Make all array fields into bare pointers.
14044 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14045 (insn_code_number): Delete.
14046 (accum_extract): New struct.
14047 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14048 (gen_insn): Take insn_code_number as an argument. Use an
14049 accum_extract structure instead of loading data directly into
14050 a struct extraction, and having to know how big it might get.
14051 (walk_rtx): Operate entirely on an accum_extract structure.
14052 (print_path): Avoid unnecessary use of printf.
14053 (print_header): New function, split out of main. Distinguish
14054 more carefully between an unrecognizable insn and an insn that
14055 has the code number of a define_expand.
14056 (main): Pass insn_code_number to gen_insn. Call print_header
14057 only after parsing. Avoid unnecessary use of printf.
14058 * Makefile.in (build/vec.o): New rule.
14059 (build/genextract): Depend on build/vec.o.
14060 (build/genextract.o): Don't depend on insn-config.h.
14062 2006-01-22 Zack Weinberg <zackw@panix.com>
14064 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14065 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14066 practical. Eliminate per-generator-program link rules.
14068 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14070 PR middle-end/24437
14071 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14072 with a call expr to ...
14073 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14075 2006-01-23 Richard Guenther <rguenther@suse.de>
14077 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14078 before make_edge with conditional EDGE_TRUE_VALUE.
14080 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14081 Jan Hubicka <jh@suse.cz>
14082 Richard Guenther <rguenther@suse.de>
14084 PR rtl-optimization/25654
14085 * cfgexpand.c (aggregate_contains_union_type): New function.
14086 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14087 for structure variables that contain a union type.
14089 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14091 * gengtype.c (new_structure): Return the structure.
14092 (create_option): Add an extra "next" argument.
14093 (create_field): New function.
14094 (adjust_field_rtx_def): Use create_option and create_field.
14095 Remove a now-unnecessary call to find_structure.
14096 (adjust_field_tree_def): Likewise.
14097 (note_yacc_type): Remove an unnecessary call to find_structure.
14098 * gengtype.h (new_structure): Return the structure.
14099 (create_option): Add an extra argument.
14100 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14101 (option): Adjust calls to create_option.
14103 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14105 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14107 2006-01-22 Paul Brook <paul@codesourcery.com>
14108 Peter Barada <peter@the-baradas.com>
14110 * config/m68k/m68k.md: Add Coldfire FPU support.
14111 Define FP mode macro and associated attributes.
14112 Use it for float mode patterns.
14113 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14114 (LIBCALL_VALUE): Use m68k_libcall_value.
14115 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14116 (m68k_function_value): Ditto.
14117 (emit_move_sequence): Ditto.
14118 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14119 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14120 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14121 (MULTILIB_EXCEPTIONS): Ditto.
14122 * config/m68k/m68k.opt: Add mcfv4e.
14123 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14124 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14125 (m68k_output_function_prologue): Save ColdFire FPU registers.
14126 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14127 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14128 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14129 ColdFire FPU registers.
14130 (m68k_libcall_value, m68k_function_value): New functions.
14131 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14132 (LIBCALL_VALUE): Use m68k_libcall_value.
14133 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14134 (MASK_COLDFIRE): Add MASK_CFV4E.
14135 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14136 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14137 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14138 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14139 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14140 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14141 * doc/invoke.tex: Document -mcfv4e on m68k.
14143 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14145 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14148 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14151 * c-opts.c (c_common_handle_option): Don't include
14152 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14153 * doc/invoke.texi (C++ Dialect Options): Document that
14154 -Wnon-virtual-dtor is no longer included in -Wall.
14156 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14158 * gcov.c (print_version), gcov-dump.c (print_version),
14159 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14162 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14164 * df-scan.c (problem_SCAN): Added NULL reset function.
14165 (df_scan_reset_blocks): Added code to call reset block function
14166 (df_bb_refs_delete) Fixed comment.
14167 (df_insn_refs_delete): Made tolerant of deleting non existent info
14168 for dataflow problems that need to be reset.
14169 * df-core.c (df_set_blocks): Ditto.
14170 * df.h (struct df_problem): Added reset_fun.
14171 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14172 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14173 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14174 functions to clear out all references to def-use or use-def chains.
14176 2006-01-21 Ben Elliston <bje@au.ibm.com>
14178 * varasm.c (assemble_real): Initialise data array.
14180 2006-01-20 Paul Brook <paul@codesourcery.com>
14182 Merge from csl-arm-branch.
14183 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14184 * config/arm/arm.md (movdi): Force operands[1] to a register
14185 if we have a non-register source.
14186 (*arm_movdi, *movdf_soft_insn): Require that one of the
14187 operands be a register.
14188 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14189 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14191 2006-01-20 DJ Delorie <dj@redhat.com>
14193 * varasm.c (initializer_constant_valid_p): Allow pointers
14194 initialized from integer constants of lesser precision.
14195 (output_constant): Allow non-int-sized pointer modes to be
14196 initialized from integer constants.
14198 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14201 * cppdefault.h (struct default_include): Add multilib flag.
14202 * cppdefault.c (cpp_include_defaults): Set it.
14203 * c.opt (-imultilib): New option.
14204 * c-opts.c (imultilib): New.
14205 (c_common_handle_option): Handle -imultilib.
14206 (c_common_post_options): Likewise.
14207 * c-incpath.c (add_standard_paths, register_include_chains):
14209 * c-incpath.h (register_include_chains): Add extra parameter.
14210 * gcc.c (do_spec_1): Generate -imultilib option.
14211 (The Specs Language): Update %I description.
14212 (process_command): Update copyright notice.
14213 * doc/cppopts.texi (-imultilib): Document.
14214 * doc/invoke.texi (-imultilib): Include in option summary.
14215 (%I): Update specs documentation.
14217 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14219 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14221 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14223 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14226 2006-01-20 Richard Guenther <rguenther@suse.de>
14227 Steven Bosscher <stevenb.gcc@gmail.com>
14229 PR rtl-optimization/24626
14230 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14231 EDGE_TRUE_VALUE if in RTL mode.
14234 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14235 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14237 2006-01-20 Dirk Mueller <dmueller@suse.com>
14240 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14241 instead of a special NOP marker.
14242 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14243 NOP marker handling.
14244 * c-common.h (empty_body_warning): Add forward declaration.
14245 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14246 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14248 2006-01-20 Paul Brook <paul@codesourcery.com>
14250 * Makefile.in (lang_checks): Keep going if mkdir fails.
14252 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14254 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14255 be able to clean out basic block when not necessary.
14256 (df_scan_free): Fixed to properly delete information if df is
14257 unused before calling df_finish.
14258 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14259 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14261 (df_bb_refs_delete): New function.
14262 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14263 * df-core.c (df_set_blocks): Added code to properly clean out
14264 unused blocks if they are not part of the blocks to consider.
14265 Added additional null check.
14266 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14267 be able to clean out basic block when not necessary
14268 * df.h (df_free_bb_function): Ditto.
14269 (df_bb_refs_delete): New function.
14270 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14271 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14272 basic block parameter to be able to clean out basic block when not
14274 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14275 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14276 Fixed to properly delete information if df is unused before
14279 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14281 PR rtl-optimization/25799
14282 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14283 Corrected confluence operator to remove bits from op2 before oring
14284 with op1 rather than removing bits from op1.
14285 (df_ru_transfer_function): Corrected test on wrong bitmap which
14286 caused infinite loop. Both of these problems were introduced in
14287 the dataflow rewrite.
14289 2006-01-19 DJ Delorie <dj@redhat.com>
14291 * reload1.c (find_reload_regs): Note the details of reload
14292 failures in the dump file.
14293 (spill_failure): Likewise.
14295 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14297 * loop-iv.c: Include df.h and hashtab.h.
14298 (enum iv_grd_result): New enum.
14299 (DF_REF_IV, DF_REF_IV_SET): New macros.
14300 (struct biv_entry): New.
14301 (df, bivs): New global variables.
14302 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14303 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14305 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14306 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14307 analyzed_for_bivness_p, record_biv): New functions.
14308 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14309 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14310 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14312 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14314 (iv_number_of_iterations): Use new interface to iv analysis.
14315 * loop-unroll.c: Do not include varray.h.
14316 (analyze_iv_to_split_insn): Use new interface to iv
14318 * loop-unswitch.c (may_unswitch_on): Ditto.
14319 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14321 (df_bb_modify): Realloc tables to the new index.
14322 (df_find_use): New function.
14323 * df.h (df_find_use): Declare.
14324 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14326 * cfgloop.h (struct rtx_iv): Remove analysed field.
14327 (iv_get_reaching_def): Removed.
14328 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14329 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14330 (loop-iv.o): Add df.h and hashtab.h dependency.
14331 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14333 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14336 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14338 (__floatundisf, __floatundidf): Likewise.
14339 * libgcc2.h (IS_IBM_EXTENDED): Define.
14341 2006-01-19 DJ Delorie <dj@redhat.com>
14343 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14345 2006-01-19 Paul Brook <paul@codesourcery.com>
14347 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14348 as nothrow when unwinding tables are disabled.
14350 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14353 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14354 of bit-field" when in system header.
14356 2006-01-19 DJ Delorie <dj@redhat.com>
14358 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14359 the 16 bit shift limit of the m16c.
14361 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14364 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14365 * config/i386/i386.c (output_set_got): Output the label if we have one
14366 for the TARGET_DEEP_BRANCH_PREDICTION case.
14368 2006-01-19 Jan Hubicka <jh@suse.cz>
14369 H.J. Lu <hongjiu.lu@intel.com>
14370 Evandro Menezes <evandro.menezes@amd.com>
14372 * invoke.texi (generic): Document
14374 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14375 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14376 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14377 (x86_use_incdec, x86_pad_returns): New variables
14378 (TARGET_CPU_DEFAULT_generic): New constant
14379 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14380 (enum processor_type): Add generic32 and generic64.
14381 * i386.md (cpu attribute): Add generic32/generic64
14382 (movhi splitter): Behave sanely when both partial_reg_dependency and
14383 partial_reg_stall are set.
14384 (K8 splitters): Enable for generic as well.
14385 * predicates.md (incdec_operand): Use TARGET_INCDEC
14386 (aligned_operand): Avoid memory mismatch stalls.
14387 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14388 * ppro.md: Enable for generic32
14389 * i386.c (generic64_cost, generic32_cost): New.
14390 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14391 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14392 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14393 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14394 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14395 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14396 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14397 x86_accumulate_outgoing_args, x86_prologue_using_move,
14398 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14399 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14400 Enable for generic.
14401 (x86_use_incdec, x86_pad_returns): New.
14402 (override_options): Add generic32 and generic64, translate "generic"
14403 to generic32/generic64 and "i686" to "generic32", refuse
14404 "generic32"/"generic64" as arch target.
14405 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14406 (ix86_reorg): Honor PAD_RETURNS.
14408 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14410 * tree-pretty-print.c (dump_generic_node): Handle
14411 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14412 * cgraph.c (cgraph_expand_queue): Rename from
14413 cgraph_analyze_queue. Update all users.
14414 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14415 cgraph_expand_queue.
14416 (cgraph_expand_all_functions): Likewise.
14417 (cgraph_finalize_pending_functions): Remove. Update callers.
14419 * tree.h (OMP_DIRECTIVE_P): Define.
14420 (OMP_PARALLEL_FN): Define.
14421 (OMP_PARALLEL_DATA_ARG): Define.
14422 (OMP_SECTIONS_SECTIONS): Define.
14423 * tree-pass.h (pass_expand_omp): Declare.
14424 * omp-low.c (struct omp_region): Declare.
14425 (struct omp_context): Remove fields 'parallel_type',
14426 'parallel_start_ix' and 'parallel_start_additional_args'.
14428 (struct omp_for_data): Rename from struct expand_omp_for_data.
14429 (omp_regions): New static variable.
14430 (root_omp_region): New static variable.
14431 (find_omp_clause): Make static.
14432 (is_in_combined_parallel_ctx): Remove.
14433 (is_combined_parallel): New.
14434 (extract_omp_for_data): Move earlier in the file.
14435 (workshare_safe_to_combine_p): New.
14436 (get_ws_args_for): New.
14437 (determine_parallel_type): Move earlier in the file.
14438 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14440 (omp_copy_decl): Likewise.
14441 (create_omp_child_function): Likewise.
14442 (lookup_omp_region): New.
14443 (dump_omp_region): New.
14444 (debug_omp_region): New.
14445 (debug_all_omp_regions): New.
14446 (new_omp_region): New.
14447 (scan_omp_parallel): If parallel_nesting_level > 1, the
14448 directive is nested within another parallel directive.
14449 Set OMP_PARALLEL_FN.
14450 (scan_omp_for): Do not try to handle combined parallel+for
14452 Remove FIXME comment.
14453 (scan_omp_nested): Remove.
14454 (scan_omp_1): Do not call scan_omp_nested when
14455 parallel_nesting_level is > 1.
14456 Do not change the DECL_CONTEXT of local variables found.
14457 (lookup_decl_in_outer_ctx): New.
14458 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14459 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14460 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14461 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14462 If CTX is nested, lookup VAR in the outer context when
14463 building copy assignment.
14464 (lower_send_clauses): Rename from expand_send_clauses.
14465 If CTX is nested, lookup VAR in the outer context when
14466 building copy assignments.
14467 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14468 If CTX is nested, lookup VAR in the outer context when
14469 building copy assignments.
14470 (expand_parallel_call): Rename from build_parallel_call.
14471 Handle combined parallel+workshare cases.
14472 Re-implement to emit code into the CFG.
14474 (expand_omp_parallel): Re-implement to emit code into the CFG.
14475 Call move_sese_region_to_fn to outline the sub-graph
14476 containing the parallel region.
14477 (expand_omp_for_1): Remove.
14478 (expand_omp_for_generic): Re-implement to emit code into the
14480 (expand_omp_for_static_nochunk): Likewise.
14481 (expand_omp_for_static_chunk): Likewise.
14482 (expand_omp_for): Likewise.
14483 (expand_omp_sections): Likewise.
14484 (remove_exit_barriers): New.
14485 (expand_omp_synch): New.
14487 (build_omp_regions_1): New.
14488 (build_omp_regions): New.
14489 (execute_expand_omp): New.
14490 (gate_expand_omp): New.
14491 (pass_expand_omp): Define.
14492 (lower_omp_sections): Rename from expand_omp_sections.
14493 Set OMP_SECTIONS_SECTIONS.
14494 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14495 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14496 (lower_omp_single): Rename from expand_omp_simple.
14497 (lower_omp_master): Rename from expand_omp_master.
14498 (lower_omp_ordered): Rename from expand_omp_ordered.
14499 (lower_omp_critical): Rename from expand_omp_critical.
14500 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14501 (lower_omp_for): Re-implement.
14502 (lower_omp_parallel): Re-implement.
14503 (lower_regimplify): Rename from expand_regimplify.
14504 (lower_omp_1): Rename from expand_omp_1.
14505 If there are syntax errors in the program, replace every
14506 OpenMP directive with NOP.
14507 Call lower_omp_* instead of expand_omp_*.
14508 (lower_omp): Rename from expand_omp.
14510 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14511 * tree-gimple.h (enum omp_parallel_type): Remove.
14512 (gimple_boolify): Declare extern.
14513 (find_omp_clause, determine_parallel_type): Remove.
14515 * gimple-low.c (lower_omp_directive): New.
14516 (lower_stmt): Call it.
14517 (record_vars_into): Move from ...
14518 (record_vars): ... here.
14519 Call record_vars_into with current_function_decl.
14521 * gimplify.c (struct gimplify_ctx): Remove fields
14522 combined_pre_p and combined_ctxp. Update users.
14523 (get_formal_tmp_var): Add documentation.
14524 (gimple_boolify): Make extern.
14525 (gimplify_expr_in_ctx): Remove. Update callers.
14526 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14527 will always be a BIND_EXPR.
14528 (gimplify_expr): Handle OMP_RETURN_EXPR.
14529 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14530 (OMP_PARALLEL): Add 3 operands.
14531 (OMP_SECTIONS): Add 1 operand.
14532 (OMP_RETURN_EXPR): Define.
14534 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14535 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14536 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14537 creating a circular free list.
14538 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14540 * tree-flow.h (move_sese_region_to_fn): Declare.
14541 (record_vars_into): Declare.
14542 * tree-cfg.c (make_omp_sections_edges): New.
14543 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14544 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14545 OMP_SECTIONS and OMP_SECTION.
14546 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14547 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14548 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14549 (gather_blocks_in_sese_region): New.
14550 (struct move_stmt_d): Declare.
14551 (move_stmt_r): New.
14552 (move_block_to_fn): New.
14553 (move_sese_region_to_fn): New.
14555 * passes.c (init_optimization_passes): Schedule
14556 pass_expand_omp after pass_init_datastructures.
14558 * tree-ssa-operands.c (get_expr_operands): Handle
14559 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14560 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14562 2006-01-19 Jeff Law <law@redhat.com>
14564 * tree-vrp.c (extract_range_from_assert): Refine the result range
14565 if the variable referenced by the ASSERT_EXPR has a range and
14566 either the tentative result range or the previous range is a
14569 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14571 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14573 2006-01-19 Jan Hubicka <jh@suse.cz>
14575 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14577 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14579 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14580 (expand_compound_operation, expand_field_assignment): Fail if the
14581 bit lengths of an extract operation are out of range.
14582 (make_extraction): Compute wanted_inner_mode based on the position
14583 and length of the extraction. Make it extraction_mode for non-constant
14584 positions, and do not modify offset in that case. When generating a
14585 new MEM, use a mode that can hold the extraction while keeping correct
14586 alignment. Remove code that supported MEMs wrapped by USEs.
14587 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14589 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14591 * config/s390/s390.md ("Y", "y"): New mode attribute.
14592 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14593 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14594 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14595 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14596 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14597 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14598 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14599 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14600 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14601 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14602 "addsi3", "subsi3"): Insn patterns removed.
14603 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14604 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14605 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14606 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14607 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14608 "*sub<mode>3_cconly2"): New insn patterns.
14609 ("addsi3", "subsi3"): New expanders.
14611 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14613 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14614 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14615 existing STMT_VINFO_VECTYPE if available.
14616 (vect_mark_relevant): Add special handling for stmts that are
14617 marked as STMT_VINFO_IN_PATTERN_P.
14618 (vect_analyze_loop): Call vect_pattern_recog.
14619 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14620 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14622 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14623 (vect_recog_func_ptr): New function-pointer type.
14624 * tree-vect-patterns.c: New file.
14625 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14626 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14627 (vect_pattern_recog_1): New functions.
14628 (vect_pattern_recog_funcs): New array of function pointers.
14630 * tree-vectorizer.h (ternary_op): New enum value.
14631 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14632 declaration. Revised documentation. Removed redundant dump prints.
14633 Removed redundant argument. Added support for reduction patterns.
14634 (vectorizable_reduction): Added support for reduction patterns.
14635 (vect_transform_stmt): Added support for patterns.
14637 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14638 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14639 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14640 (expand_widen_pattern_expr): New function.
14641 (init_optabs): Initialize new optabs udot_prod_optab,
14643 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14644 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14645 (expand_widen_pattern_expr): New function declaration.
14646 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14648 * tree-inline.c (estimate_num_insns_1): Added cases for new
14649 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14650 * tree-pretty-print.c (dump_generic_node): Likewise.
14651 (op_prio): Likewise.
14652 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14653 * tree-ssa-operands.c (get_expr_operands): Added case for
14655 * tree-vect-patterns.c (widened_name_p): New function.
14656 (vect_recog_dot_prod_pattern): Added function implementation.
14657 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14658 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14659 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14660 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14662 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14663 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14664 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14665 (init_optabs): Initialize new optabs widen_ssum_optab,
14667 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14668 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14669 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14670 use instead of type of def.
14671 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14672 function implementation.
14673 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14674 widen_ssumv8hi): New.
14676 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14679 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14682 * c-decl.c (add_flexible_array_elts_to_size): New function.
14683 (finish_decl): Use it.
14685 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14687 * diagnostic.h: Include options.h.
14688 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14689 dependancies for diagnostic.h.
14690 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14692 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14694 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14695 (ssa_ro_call_cache_valid): Ditto.
14696 * tree-ssa-alias.c (sort_tags_by_id): New function.
14697 (init_transitive_clobber_worklist): Ditto.
14698 (add_to_worklist): Ditto.
14699 (mark_aliases_call_clobbered): Ditto.
14700 (compute_tag_properties): Ditto.
14701 (set_initial_properties): Ditto.
14702 (compute_call_clobbered): Ditto.
14703 (compute_may_aliases): Call compute_call_clobbered and grouping.
14704 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14705 (compute_flow_insensitive_aliasing): Grouping now happens in our
14707 (setup_pointers_and_addressables): Remove clobbering related code.
14708 (add_may_alias): Ditto.
14709 (replace_may_alias): Ditto.
14710 (get_nmt_for): Ditto.
14711 (create_global_var):
14712 (is_escape_site): Return an escape_type enumeration.
14713 * tree-flow-inline.h (is_call_clobbered): Global var does not
14714 imply call clobbered.
14715 (mark_call_clobbered): Take a reason for marking this. Remove
14716 marking of globalness, and cache invalidation.
14717 (clear_call_clobbered): Remove cache invalidation code.
14718 * tree-dfa.c (dump_variable): If details is on, dump the reason
14720 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14722 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14723 (struct var_ann_d): Ditto.
14724 (enum escape_type): New.
14725 (mark_call_clobbered): Adjust prototype.
14726 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14727 are never call clobbered.
14728 Record reasons for escaping.
14729 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14730 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14731 (ssa_ro_call_cache_valid): Ditto.
14732 (clobbered_v_may_defs): Ditto.
14733 (clobbered_vuses): Ditto.
14734 (ro_call_vuses): Ditto.
14735 (clobber_stats): New.
14736 (init_ssa_operands): Zero out clobber stats.
14737 (fini_ssa_operands): Print out clobber stats.
14738 (get_call_expr_operands): Pass callee fndecl to
14739 add_call_read_ops).
14740 (add_call_clobber_ops): Remove use of cache.
14741 Add use of PURE_CONST information.
14742 (add_call_read_ops): Remove use of cache.
14743 Add use of static not_read information.
14745 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14747 Introduce TLS descriptors for i386 and x86_64.
14748 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14749 (TARGET_ANY_GNU_TLS): New macro.
14750 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14751 (struct machine_function): Add tls_descriptor_call_expanded_p.
14752 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14753 (ix86_current_function_calls_tls_descriptor): Likewise.
14754 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14755 (override_options): Introduce gnu2 tls dialect.
14756 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14758 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14760 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14761 (ix86_init_machine_status): Initialize new field.
14762 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14763 (ix86_tls_module_base): New.
14764 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14765 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14766 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14767 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14768 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14769 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14770 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14771 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14772 * config/i386/predicates.md (tls_modbase_operand): New.
14773 (tp_or_register_operand): New.
14775 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14777 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14778 (look_for_address_of): Ditto.
14779 (ipa_init): Walk the function decls.
14780 (static_execute): Don't set readonly on FUNCTION_DECL's.
14782 2006-01-18 Roger Sayle <roger@eyesopen.com>
14784 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14785 for shifts where the source and destination registers are different.
14787 2006-01-18 Paul Brook <paul@codesourcery.com>
14789 Merge from csl-arm-branch.
14790 2005-03-14 Julian Brown <julian@codesourcery.com>
14791 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14792 (aeabi_llsl): Likewise.
14793 (ashrdi3): Likewise.
14794 (aeabi_lasr): Likewise.
14795 (lshrdi3): Likewise.
14796 (aeabi_llsr): Likewise.
14797 2005-03-10 Julian Brown <julian@codesourcery.com>
14798 * config.gcc: Disable shared libgcc for SymbianOS.
14799 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14801 2006-01-18 DJ Delorie <dj@redhat.com>
14803 * c-pragma.c (handle_pragma_diagnostic): New.
14804 (init_pragma): Register it.
14805 * doc/extend.texi: Document it.
14807 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14808 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14809 (diagnostic_context): Add classify_diagnostic[].
14810 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14811 as errors if they're overridden to DK_WARNING.
14812 (diagnostic_initialize): Initialize classify_diagnostic[].
14813 (diagnostic_set_kind_override): New.
14814 (diagnostic_report_diagnostic): Check for kind changes.
14815 * opts.c (common_handle_option): Take lang_mask. Update callers.
14816 Handle OPT_Werror_.
14817 * common.opt (Werror=): New.
14818 * doc/invoke.texi: Document -Werror=*
14820 2006-01-18 Jeff Law <law@redhat.com>
14822 * tree-vrp.c (test_for_singularity): Correct test for new
14823 min limit. Use operand_equal_p rather than pointer equality
14824 for testing if new min/max values are equal.
14826 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14827 using range information until after propagation and folding.
14829 2006-01-18 Richard Henderson <rth@redhat.com>
14830 Aldy Hernandez <aldyh@redhat.com>
14831 Jakub Jelinek <jakub@redhat.com>
14832 Diego Novillo <dnovillo@redhat.com>
14834 * omp-low.c: New file.
14835 * c-omp.c: New file.
14837 2006-01-18 Richard Henderson <rth@redhat.com>
14838 Jakub Jelinek <jakub@redhat.com>
14839 Diego Novillo <dnovillo@redhat.com>
14841 * doc/invoke.texi: Document -fopenmp.
14842 * tree-dump.h (debug_function): Declare.
14843 * hooks.c (hook_bool_tree_bool_false): New function.
14844 (hook_tree_tree_null): Remove.
14845 (hook_tree_tree_tree_null): New.
14846 * hooks.h: Update to match.
14847 * tree-pretty-print.c (debug_tree_chain): New.
14848 (print_generic_expr): Handle TDF_CHAIN.
14849 (dump_generic_node): Handle BLOCK.
14850 Do not abort with incomplete SWITCH_EXPRs.
14851 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14852 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14853 print space after directive name.
14854 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14855 Handle OMP_MASTER and OMP_ORDERED.
14856 Handle printing of OMP_BODY just in one place, goto
14857 dump_omp_body in the rest of OMP_* nodes that have
14859 Don't handle clause nodes here. Update omp statements to
14860 use dump_omp_clauses.
14861 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14862 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14863 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14864 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14865 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14866 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14867 Adjust output for GOMP_PARALLEL.
14868 (dump_omp_clauses): New.
14869 (print_declaration): Dump DECL_VALUE_EXPR.
14870 (op_symbol_1): Split out of op_symbol.
14871 (dumping_stmts): Remove. Update all users.
14872 * cgraph.c (cgraph_analyze_queue): New.
14873 (cgraph_add_new_function): New.
14874 * cgraph.h (cgraph_analyze_queue): Declare.
14875 (cgraph_add_new_function): Declare.
14876 (cgraph_lower_function): Remove.
14877 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14878 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14879 and TYPE_P nodes in its default clause.
14880 (empty_body_p): New.
14881 (tree_range_check_failed): New.
14882 (build5_stat): New.
14883 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14884 OMP_CLAUSE_REDUCTION_MERGE,
14885 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14886 OMP_CLAUSE_PRIVATE_DEBUG,
14887 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14888 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14889 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14890 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14891 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14892 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14893 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14894 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14895 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14896 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14897 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14898 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14899 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14900 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14901 (TREE_RANGE_CHECK): New.
14902 (empty_body_p): Declare.
14903 (enum omp_clause_default_kind): New.
14904 (build_string_literal): Declare.
14905 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14906 (build5_stat, build5): Declare.
14907 * tree-pass.h (TDF_CHAIN): Define.
14908 * tree-pass.h (PROP_gimple_lomp): Define.
14909 (pass_lower_omp): Declare.
14910 * diagnostic.h (debug_tree_chain): Declare.
14911 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14913 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14914 * builtins.c (build_string_literal): Make extern.
14915 * gcc.c (include_spec_function): New.
14916 (static_spec_functions): Add it.
14917 (main): Move load of libgomp.spec ...
14918 (LINK_COMMAND_SPEC): ... here.
14919 (link_gomp_spec): New.
14920 (static_specs): Include it.
14921 (LINK_COMMAND_SPEC): Add link_gomp.
14922 (GOMP_SELF_SPECS): New.
14923 (driver_self_specs): Include it.
14924 (switch_matches): Don't mark inline.
14925 (main): Load libgomp.spec.
14926 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14927 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14928 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14929 * tree-gimple.h (enum omp_parallel): Declare.
14930 (determine_parallel_type): Declare.
14931 (omp_firstprivatize_variable): Declare.
14932 (omp_reduction_init): Declare.
14933 (diagnose_omp_structured_block_errors): Declare.
14934 (struct walk_stmt_info): Add want_return_expr.
14935 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14936 (find_omp_clause): Declare.
14937 (insert_field_into_struct): Declare.
14938 (struct walk_stmt_info): Move from tree-nested.c
14939 (walk_stmts): Declare.
14940 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14942 * cgraphunit.c (cgraph_lower_function): Make static.
14943 (cgraph_finalize_pending_functions): New.
14944 (cgraph_finalize_function): Call it.
14945 (cgraph_finalize_compilation_unit): Likewise.
14946 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14947 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14948 (BT_FN_UINT_UINT): New.
14949 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14950 DEF_FUNCTION_TYPE_VAR_4): Document.
14951 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14952 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14953 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14954 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14955 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14956 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14957 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14958 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14959 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14960 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14961 into separate files.
14962 (DEF_GOMP_BUILTIN): New.
14963 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14964 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14965 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14966 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14967 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14968 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14969 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14970 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14971 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14972 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14973 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14974 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14975 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14976 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14977 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14978 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14979 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14980 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14981 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14982 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14983 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14984 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14985 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14986 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14987 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14988 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14989 * sync-builtins.def: New file, moved from builtins.def.
14990 * omp-builtins.def: New file, moved from builtins.def.
14991 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14992 * gimple-low.c (lower_function_body): Clear data.
14993 (lower_stmt): Do not handle COMPOUND_EXPR.
14994 Remove call to print_node_brief.
14995 * c-tree.h (c_finish_omp_clauses): New prototype.
14996 (C_DECL_THREADPRIVATE_P): Define.
14997 (lookup_name_no_remap, c_omp_remap_private): Remove
14998 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14999 (check_for_loop_decls): Update decl.
15000 (lookup_name_no_remap, c_omp_remap_private): Declare.
15001 (build_indirect_ref, build_modify_expr, pushdecl,
15002 pushdecl_top_level): Move to c-common.h.
15003 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15004 before the switch, but just in the 2 places that need it.
15005 * c-decl.c (diagnose_mismatched_decls): Do not check for
15006 mismatched thread-local attributes when OLDDECL is marked
15007 threadprivate and NEWDECL has no thread-local attributes.
15008 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15009 (c_gimple_diagnostics_recursively): Rename from
15010 c_warn_unused_result_recursively. Invoke
15011 diagnose_omp_structured_block_errors.
15012 (check_for_loop_decls): Return a singular decl found.
15013 * langhooks.c (lhd_omp_predetermined_sharing): Return
15014 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15015 (lhd_omp_firstprivatize_type_sizes): New.
15016 (lhd_omp_assignment): New.
15017 (lhd_omp_predetermined_sharing): New.
15018 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15019 (struct lang_hooks_for_types): Add
15020 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15021 omp_predetermined_sharing, omp_disregard_value_expr,
15022 omp_private_debug_clause, omp_clause_default_ctor,
15023 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15024 (c_finish_omp_clauses): New.
15025 (c_finish_bc_stmt): Diagnose break within omp for.
15026 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15027 (build_unary_op): Return error_mark after reporting
15029 (build_modify_expr): Likewise.
15030 * gimplify.c: Include optabs.h and pointer-set.h.
15031 (enum gimplify_omp_var_data): Declare.
15032 (struct gimplify_omp_ctx): Declare.
15033 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15035 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15036 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15037 (splay_tree_compare_decl_uid): New.
15038 (new_omp_context): New.
15039 (delete_omp_context): New.
15040 (gimple_add_tmp_var): Call omp_add_variable.
15041 (gimplify_bind_expr): Likewise.
15042 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15043 true, disregard DECL_VALUE_EXPR on the decl if any.
15044 (gimplify_expr_in_ctx): New.
15045 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15046 omp_add_variable, omp_notice_variable, omp_is_private
15047 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15048 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15049 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15050 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15051 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15052 gimplify_omp_atomic): New.
15053 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15054 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15055 OMP_CRITICAL and OMP_ATOMIC.
15056 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15057 * c-pragma.h (enum pragma_kind): Add
15058 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15059 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15060 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15061 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15062 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15063 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15064 PRAGMA_OMP_THREADPRIVATE.
15065 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15066 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15067 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15068 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15069 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15070 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15071 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15072 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15073 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15074 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15075 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15076 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15077 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15079 (struct nesting_info): Add field_map,
15080 suppress_expansion, debug_var_chain.
15081 (create_nesting_tree): Initialize them.
15082 (lookup_field_for_decl): Use field_map.
15083 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15084 (convert_local_omp_clauses): New.
15085 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15086 (walk_body): Split out of walk_function.
15087 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15088 (convert_nonlocal_reference): Handle omp statements.
15089 (convert_local_reference): Likewise.
15090 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15091 (unnest_nesting_tree): New.
15092 (lower_nested_functions): Call it.
15093 (insert_field_into_struct): Make extern.
15094 (struct walk_stmt_info): Move to tree-gimple.h.
15095 (walk_stmts): Make extern.
15096 * omp-builtins.def: New file.
15097 * tree-iterator.c (expr_only): Clarify comment.
15098 * c-common.h (pushdecl_top_level, pushdecl,
15099 build_modify_expr, build_indirect_ref,
15100 c_finish_omp_master, c_finish_omp_critical,
15101 c_finish_omp_ordered, c_finish_omp_barrier,
15102 c_finish_omp_atomic, c_finish_omp_flush,
15103 c_finish_omp_for, c_split_parallel_clauses,
15104 omp_clause_default_kind, c_omp_sharing_predetermined,
15105 c_omp_remap_decl): Declare.
15106 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15107 (OBJS-common): Add omp-low.o.
15108 (c-omp.o, omp-low.o): Add.
15109 (gimplify.o): Add dependency on $(OPTABS_H).
15110 (GTFILES): Add omp-low.c.
15111 (gt-stringpool.h): Add.
15112 * tree-cfg.c (set_bb_for_stmt): Do not update the
15113 block-to-labels map if we are currently expanding to RTL.
15114 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15116 Handle IDENTIFIER_NODE.
15117 (tree_verify_flow_info): Do not ICE when emitting error
15118 messages about invalid labels.
15119 (dump_function_to_file): Reset CFUN before emitting the body
15121 (debug_function): New.
15122 * passes.c (init_optimization_passes): Schedule
15124 * langhooks-def.h (lhd_omp_predetermined_sharing,
15125 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15127 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15128 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15129 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15130 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15131 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15132 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15133 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15134 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15135 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15136 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15137 (LANG_HOOK_DECLS): Use them.
15139 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15140 Richard Henderson <rth@redhat.com>
15141 Jakub Jelinek <jakub@redhat.com>
15142 Diego Novillo <dnovillo@redhat.com>
15144 * c-parser.c (pragma_omp_clause): Define.
15145 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15146 (c_parser_compound_statement): Likewise.
15147 (c_parser_statement): Likewise.
15148 (c_parser_pragma): Handle omp pragmas.
15149 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15150 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15151 (c_parser_omp_clause_name, check_no_duplicate_clause,
15152 c_parser_omp_variable_list,
15153 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15154 c_parser_omp_clause_copyprivate,
15155 c_parser_omp_clause_default,
15156 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15157 c_parser_omp_clause_lastprivate,
15158 c_parser_omp_clause_nowait,
15159 c_parser_omp_clause_num_threads,
15160 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15161 c_parser_omp_clause_reduction,
15162 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15163 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15164 c_parser_omp_atomic, c_parser_omp_barrier,
15165 c_parser_omp_critical, c_parser_omp_flush,
15166 c_parser_omp_for_loop, c_parser_omp_for,
15167 c_parser_omp_master, c_parser_omp_ordered,
15168 c_parser_omp_sections_scope, c_parser_omp_sections,
15169 c_parser_omp_parallel, c_parser_omp_single,
15170 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15171 * c-pragma.c (init_pragma): Do omp pragma registration here.
15172 * c.opt (fopenmp): New flag.
15174 2006-01-18 Eric Christopher <echristo@apple.com>
15176 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15177 * config/darwin.h (GOMP_SELF_SPECS): Define.
15179 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15181 * rtl.h: Remove the prototype for reg_alloc.
15183 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15186 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15187 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15188 sjlj and dwarf2 exception handling.
15189 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15190 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15191 * pa/pa.c (function_value): Treat complex and vector types as
15193 (function_arg): Likewise. Only pass scalar floats in the floating
15194 point argument registers.
15195 * pa/t-slibgcc-dwarf-ver: New file.
15196 * pa/t-slibgcc-sjlj-ver: New file.
15197 * pa/t-slibgcc-elf-ver: Delete file.
15199 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15201 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15202 unlikely_test_section_p test.
15204 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15206 * mode-switching.c (optimize_mode_switching): Make it static.
15207 * basic-block.h: Remove the prototype for
15208 optimize_mode_switching.
15210 * modulo-sched.c (sms_schedule): Make it static.
15211 * rtl.h: Remove the prototype for sms_schedule.
15213 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15214 * rtl.h: Remove the prototype for gcse_after_reload_main.
15216 * reg-stack.c (reg_to_stack): Make it static.
15217 * rtl.h: Remove the prototype for reg_to_stack.
15219 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15221 * rtl.h: Remove the prototypes for regrename_optimize and
15222 copyprop_hardreg_forward.
15224 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15226 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15227 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15228 Test against the appropriate null constant for the mode.
15229 If 'fixup_overlap' is true, swap the operands if they overlap.
15230 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15231 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15232 alpha_split_tmode_pair and adjust for above change.
15233 * config/alpha/alpha.md (movtf_internal): Adjust call to
15234 alpha_split_tfmode_pair and rely on it to swap the operands.
15235 (movti_internal): New insn and post-reload splitter.
15236 (movti): New expander.
15238 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15240 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15243 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15245 * rtlanal.c (global_reg_mentioned_p_1,
15246 global_reg_mentioned_p): Remove.
15247 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15249 * flow.c (initialize_uninitialized_subregs): Make it static.
15250 * rtl.h: Remove the prototype for
15251 initialize_uninitialized_subregs.
15253 * function.c (instantiate_virtual_regs): Make it static.
15254 * function.h: Remove the prototype for
15255 instantiate_virtual_regs.
15257 * regmove.c (regmove_optimize, combine_stack_adjustments):
15259 * rtl.h: Remove the prototypes for regmove_optimize and
15260 combine_stack_adjustments.
15262 2006-01-17 Roger Sayle <roger@eyesopen.com>
15264 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15265 (size_cost): Encode costs in bytes so that a reg-reg addition is
15266 equivalent to COSTS_N_INSNS(1).
15267 (override_options): Use the size_cost.branch_cost as the default
15268 ix86_branch_cost when optimizing for size.
15270 2006-01-18 Ben Elliston <bje@au.ibm.com>
15272 * Makefile.in (D32PBIT_FUNCS): New.
15273 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15274 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15275 D64PBIT_FUNCS and D128PBIT_FUNCS.
15276 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15277 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15279 (decnumber_dep): Define.
15280 * doc/libgcc.texi (Decimal float library routines): New node.
15281 * config/dfp-bit.h, config/dfp-bit.c: New files.
15283 2006-01-18 Ben Elliston <bje@au.ibm.com>
15285 * expr.c (emit_move_change_mode): Always adjust addresses, not
15286 just during reload. Copy replacements only during reload.
15287 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15288 emit_move_via_integer.
15290 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15292 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15293 instead of $(srcdir) and ${srcdir}.
15295 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15298 PR middle-end/11135
15299 * arm.h (struct machine_function): Add pic_reg.
15300 * arm.c (arm_pic_register): Make unsigned.
15301 (arm_override_options): Only set arm_pic_register if
15302 TARGET_SINGLE_PIC_BASE.
15303 (use_return_insn): Only test for a pic register if it is fixed.
15304 (arm_compute_save_reg0_reg12_mask): Likewise.
15305 (thumb_compute_save_reg_mask): Likewise.
15306 (legitimate_pic_operand): Factor out some known invariants.
15307 (legitimize_pic_address): If we don't have a fixed pic register,
15308 then set up a pseudo in the function entry sequence. Handle the
15309 pic base being in a pseudo.
15310 (arm_load_pic_register): Handle the pic register being in a pseudo.
15311 (arm_expand_prologue): Only set up the pic register if it is fixed.
15312 (thumb_expand_prologue): Likewise.
15313 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15314 (pic_load_addr_based_insn): Likewise.
15315 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15318 2006-01-18 Ben Elliston <bje@au.ibm.com>
15320 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15321 decimal float modes for all floating point registers.
15323 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15324 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15326 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15329 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15330 even when the pointer is not NULL.
15332 2006-01-16 Ian Lance Taylor <ian@airs.com>
15334 * common.opt (ftoplevel-reorder): New option.
15335 * cgraph.c (cgraph_asm_nodes): New global variable.
15336 (cgraph_asm_last_node): New static variable.
15337 (cgraph_order): New global variable.
15338 (cgraph_create_node): Set new order field.
15339 (cgraph_varpool_node): Likewise.
15340 (decide_is_variable_needed): Return true if not
15341 flag_toplevel_reorder.
15342 (cgraph_add_asm_node): New function.
15343 * cgraph.h (struct cgraph_node): Add order field.
15344 (struct cgraph_varpool_node): Add order field.
15345 (struct cgraph_asm_node): Define.
15346 (cgraph_asm_nodes, cgraph_order): Declare.
15347 (cgraph_add_asm_node): Declare.
15348 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15350 (cgraph_varpool_assemble_pending_decls): Call it.
15351 (cgraph_output_pending_asms): New static function.
15352 (cgraph_finalize_compilation_unit): Call it.
15353 (struct cgraph_order_sort): Define.
15354 (cgraph_output_in_order): New static function.
15355 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15356 !flag_toplevel_reorder case.
15357 * c-parser.c: Include "cgraph.h".
15358 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15360 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15361 than -fno-unit-at-a-time.
15362 * doc/invoke.texi (Option Summary): Mention
15363 -fno-toplevel-reorder.
15364 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15365 -funit-at-a-time documentation.
15367 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15368 Kazu Hirata <kazu@codesourcery.com>
15370 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15372 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15374 * Makefile.in (FUNCTION_H): New. Use it instead of
15375 function.h throughout the file.
15376 * function.h: Include tree.h.
15378 2006-01-17 Ben Elliston <bje@au.ibm.com>
15380 * recog.c: Separate some functions with whitespace.
15382 2006-01-16 Richard Henderson <rth@redhat.com>
15384 Merge from gomp branch:
15385 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15386 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15387 and rename from struct inline_data. Rename callee* to dst*;
15388 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15389 transform_new_cfg, transform_return_to_modify, and
15390 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15392 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15393 (copy_decl_for_dup): Remove.
15394 * tree-inline.c (struct inline_data): Move to header.
15395 (insert_decl_map): Export.
15396 (remap_decl): Update for member name changes. Use copy_decl hook.
15397 Allow for replacement to be a non-decl. Remove dead code.
15398 (remap_type_1): Check for existing mapping.
15399 (remap_type): Export.
15400 (remap_decls): Update for member name changes.
15401 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15402 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15403 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15404 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15405 (tree_function_versioning, build_duplicate_type): Likewise.
15406 (copy_body_r): Likewise. Export.
15407 (copy_decl_for_dup): Split into ...
15408 (copy_decl_for_dup_finish, copy_decl_to_var,
15409 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15410 (replace_ref_tree, inlining_p): Remove.
15412 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15414 * ifcvt.c (if_convert): Make it static.
15415 * rtl.h: Remove the prototype for if_convert.
15417 * local-alloc.c (local_alloc): Make it static.
15418 * rtl.h: Remove the prototype for local_alloc.
15420 * loop.c (loop_optimize): Make it static.
15421 * cfgloop.h: Remove the prototype for loop_optimize.
15424 2006-01-16 DJ Delorie <dj@redhat.com>
15426 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15429 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15431 * pa.md: Disparage copies between general and floating-point registers
15432 in 32-bit move patterns.
15434 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15437 * Makefile.in (check-%): Depend on site.exp instead of
15438 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15441 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15443 * global.c (global_alloc): Make it static.
15444 * rtl.h: Remove the prototype for global_alloc.
15446 2006-01-16 Richard Guenther <rguenther@suse.de>
15448 * tree-ssa-alias.c (struct used_part): Add write_only field.
15449 (get_or_create_used_part_for): Initialize it to true.
15450 (create_overlap_variables_for): Don't create structure variables
15451 for structures that only are written to.
15452 (find_used_portions): Handle MODIFY_EXPR to track whether a
15453 structure is only written to.
15455 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15457 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15459 * basic-block.h: Remove the prototype for
15460 partition_hot_cold_basic_blocks.
15462 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15464 * cppspec.c (lang_specific_spec_functions): Remove.
15465 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15466 * gcc.h (lang_specific_spec_functions): Remove.
15467 * gccspec.c (lang_specific_spec_functions): Remove.
15469 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15471 * combine.c (record_value_for_reg): Invalidate registers
15473 (record_dead_and_set_regs_1): Likewise, by passing them to
15474 record_value_for_reg.
15475 (record_dead_and_set_regs): Invalidate stores made by a
15476 call. We do not combine across a call, but we still
15477 relied on equivalences.
15479 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15481 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15482 vrp_int_const_binop returning non-constant nodes.
15484 2006-01-16 Paul Brook <paul@codesourcery.com>
15486 * config/m68k/m68k.c (output_move_const_into_data_reg):
15487 Output correct mnemonic for mvz and mvs.
15489 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15491 * rtl-factoring.c: Add sequence abstraction algorithm.
15492 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15493 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15495 (block_has_preserve_label): New function.
15496 * common.opt: Register new pass.
15497 * Makefile.in: Ditto.
15499 * timevar.def: Ditto.
15500 * tree-pass.h: Ditto.
15501 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15502 * rtl.h (make_jump_insn_raw): Add forward decl.
15503 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15505 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15506 Roger Sayle <roger@eyesopen.com>
15508 * fold-const.c (fold_minmax): New static function.
15509 (fold_binary) <MIN_EXPR>: Call it.
15510 <MAX_EXPR>: Likewise.
15511 * stor-layout.c (place_field): Use DECL_SIZE consistently
15512 in the computation of the new record size.
15514 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15516 * cse.c (cse_condition_code_reg): Make it static.
15517 * rtl.h: Remove the prototype for cse_condition_code_reg.
15519 * combine.c (combine_instructions): Make it static.
15520 * rtl.h: Remove the prototype for combine_instructions.
15522 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15525 * tree.c (get_file_function_name_long): Concatenate the first global
15526 object name with a string derived from the input filename of the object
15529 2006-01-16 Ben Elliston <bje@au.ibm.com>
15531 * config/i386/winnt-stubs.c: Update FSF address.
15532 * config/xtensa/ieee754-df.S: Ditto.
15533 * config/xtensa/ieee754-sf.S: Ditto.
15535 2006-01-14 Ian Lance Taylor <ian@airs.com>
15537 * ifcvt.c (noce_init_if_info): New static function, broken out of
15538 noce_process_if_block.
15539 (noce_process_if_block): Call noce_init_if_info.
15540 (check_cond_move_block): New static function.
15541 (cond_move_process_if_block): New static function.
15542 (process_if_block): Call cond_move_process_if_block.
15544 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15546 * cselib.c (hash_table): Rename to cselib_hash_table.
15547 (cselib_clear_table, discard_useless_values,
15548 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15549 cselib_init, cselib_finish): Adjust uses of hash_table.
15551 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15553 PR tree-optimization/25485
15554 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15555 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15556 is known to be false and true, respectively.
15558 2006-01-14 Richard Guenther <rguenther@suse.de>
15560 PR tree-optimization/22548
15561 PR tree-optimization/22555
15562 PR tree-optimization/22501
15563 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15564 * params.def (salias-max-array-elements): New parameter.
15565 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15566 * doc/invoke.texi (salias-max-array-elements): Document.
15567 * tree-flow-inline.h (var_can_have_subvars): We also handle
15569 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15571 * tree-ssa-structalias.c (params.h): Include.
15572 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15573 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15574 (get_constraint_for): For ADDR_EXPR operating on something
15575 containing an ARRAY_REF, add all subvars to the solution.
15576 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15577 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15578 for creating MUST_DEFs.
15579 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15581 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15583 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15585 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15586 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15587 number_of_iterations_le): New functions.
15588 (number_of_iterations_special): Removed.
15589 (number_of_iterations_exit): Do not use number_of_iterations_special.
15590 * tree.c (unsigned_type_for): Always return integer type.
15592 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15593 Richard Guenther <rguenther@suse.de>
15595 PR rtl-optimization/24257
15596 * gcse.c (find_moveable_store): Only consider a store movable
15597 when the SET_SRC of the insn can be assigned to a register.
15599 2006-01-14 Ian Lance Taylor <ian@airs.com>
15601 * tree.c (tree_not_class_check_failed): New function.
15602 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15603 (tree_not_class_check_failed): Declare.
15605 2006-01-13 Ian Lance Taylor <ian@airs.com>
15607 * reload1.c (do_output_reload): Add assertion rejecting a
15610 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15612 * combine.c (struct reg_stat): Add new fields truncation_label and
15614 (record_value_for_reg): Reset truncated_to_mode.
15615 (record_truncated_value): New function.
15616 (check_promoted_subreg): Call it. Rename to check_conversions.
15617 (combine_instructions): Rename check_promoted_subreg to
15619 (reg_truncated_to_mode): New function.
15620 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15621 (gen_lowpart_or_truncate): New function.
15622 (force_to_mode): Use it instead of gen_lowpart.
15624 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15626 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15627 VAR is a tag, not its type tag.
15629 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15631 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15632 alternatives to match style of other entries.
15633 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15635 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15637 PR tree-optimization/25771
15638 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15641 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15644 * tree-inline.c (declare_return_variable): If the return variable
15645 was marked as a non gimple complex, set the return slot variable
15646 to be a non gimple comple variable.
15648 2006-01-13 Richard Guenther <rguenther@suse.de>
15650 * builtins.c (expand_builtin_sincos): New function.
15651 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15653 (expand_builtin): Expand sincos using expand_builtin_sincos.
15655 2006-01-12 DJ Delorie <dj@redhat.com>
15657 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15658 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15659 so that constant shifts can be split.
15660 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15661 (m32c_valid_pointer_mode): Make static.
15662 (shift_gen_func_for): New.
15663 (m32c_prepare_shift): Use it. Split large const shifts into
15665 * config/m32c/predicates.md (shiftcount_operand): Allow more
15667 (longshiftcount_operand): New.
15668 * doc/md.texi (Machine Constraints): Document In6.
15670 2006-01-13 Ben Elliston <bje@au.ibm.com>
15672 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15673 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15676 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15678 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15679 to try to avoid clobbering pieces of structures when we know
15680 something about the whole structure.
15681 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15683 2006-01-13 Ben Elliston <bje@au.ibm.com>
15685 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15686 return in memory, as this is no limitation is no longer present.
15688 2006-01-12 DJ Delorie <dj@redhat.com>
15690 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15691 mova with fb, and for fb+0 -> An.
15693 * config/m32c/mov.md (peephole2): Fix enabling logic.
15695 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15696 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15697 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15698 FINI_ARRAY_SECTION_ASM_OP): Define.
15700 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15702 (m32c_legitimize_reload_address): New logic to reload FB to An.
15703 (m32c_output_reg_push): Add newline.
15704 (m32c_output_reg_pop): Likewise.
15706 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15708 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15710 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15712 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15714 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15716 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15719 2006-01-11 Ben Elliston <bje@au.ibm.com>
15721 * rtlanal.c (find_reg_note): Assert insn is not null.
15723 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15725 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15728 2006-01-11 Jeff Law <law@redhat.com>
15730 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15732 (mark_threaded_blocks, register_jump_thread): New functions.
15733 (thread_through_all_blocks): Remove unwanted argument. No
15734 longer rely on e->aux to communicate thread target info.
15735 Call mark_threaded_blocks. Release the threaded_blocks
15736 bitmap and threaded_edges vector when complete.
15737 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15738 (threaded_blocks): Remove.
15739 (tree_ssa_dominator_optimize): Remove initialization and
15740 finalization of threaded_blocks. Simplify call to
15741 thread_through_all_blocks.
15742 (thread_across_edge): Call register_jump_thread rather than
15743 storing thread information into e->aux.
15744 (free_all_edge_infos): Simplify now that e->aux is no longer
15745 used to communicate with thread_through_all_blocks.
15746 * tree-flow.h (thread_through_all_blocks): Update prototype.
15747 (register_jump_thread): Prototype.
15749 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15751 * df-core.c (df_compact_blocks, df_bb_replace): Use
15752 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15754 2006-01-11 Richard Guenther <rguenther@suse.de>
15756 PR tree-optimization/25734
15757 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15758 stop propagation after successful propagation to the LHS.
15760 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15762 * basic-block.h (control_flow_graph): Change the type of
15763 x_basic_block_info to VEC(basic_block,gc) *.
15764 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15766 (SET_BASIC_BLOCK): New.
15767 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15768 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15769 * cfgbuild.c (find_basic_blocks): Likewise.
15770 * cfglayout.c (fixup_reorder_chain): Likewise.
15771 * cfgrtl.c (create_basic_block_structure,
15772 rtl_create_basic_block): Likewise.
15773 * ifcvt.c (find_if_case_1): Likewise.
15774 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15777 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15779 * Makefile.in: Removed rotted odf.c entry.
15781 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15784 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15785 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15786 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15787 output pattern modifier, not %e.
15788 * config/cris/cris.c (cris_op_str): Update comment about pattern
15790 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15791 before falling through into...
15792 <case 'E'>: Redefined from old 'e' case.
15794 2006-01-11 Jan Hubicka <jh@suse.cz>
15797 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15799 2006-01-11 Jan Hubicka <jh@suse.cz>
15801 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15802 * i386.c (x86_decompose_lea): Kill.
15803 (ix86_rtx_costs): Kill.
15805 2006-01-11 Jan Hubicka <jh@suse.cz>
15807 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15808 * cgraph.h (cgraph_node): Add inline_decl.
15809 (cgraph_insert_node_to_hashtable): Declare.
15810 (save_inline_function_body): Declare.
15811 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15813 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15814 (cgraph_function_versioning): Update call of tree_function_versioning.
15815 (save_inline_function_body): New function.
15816 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15817 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15818 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15819 (cgraph_default_inline_p): Likewise.
15820 (cgraph_decide_inlining_incrementally): Likewise.
15821 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15822 (copy_bb): Kill saving; do updating of clones.
15823 (copy_cfg_body): Kill saving.
15824 (initialize_inlined-parameters): Likewise.
15825 (expand_call_inline): Likewise.
15827 (tree_function_versioning): New parameter "update_clones".
15828 (inlining_p): Kill saving.
15829 * tree-inline.h (tree_function_versioning): Update prototype.
15830 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15833 2006-01-11 Ian Lance Taylor <ian@airs.com>
15835 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15836 Allow undoing set of machine mode.
15837 (do_SUBST): Use enums instead of is_int.
15838 (do_SUBST_MODE): New function.
15839 (SUBST_MODE): New macro.
15840 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15841 reg and trying to replace reg_regno_rtx with a new register.
15842 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15843 (simplify_set): Use SUBST_MODE.
15844 (distribute_notes): Remove code that tried to update reg notes
15845 for regno_reg_rtx changes.
15847 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15849 PR tree-optimization/23109
15850 PR tree-optimization/23948
15851 PR tree-optimization/24123
15853 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15854 * tree-cfg.c (single_noncomplex_succ): New.
15855 * tree-flow.h (single_noncomplex_succ): Declare it.
15856 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15857 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15858 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15859 insert_bb, register_division_in, insert_reciprocals,
15860 replace_reciprocal, free_bb): New.
15861 (execute_cse_reciprocals_1): Rewritten.
15862 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15863 Do not commit any edge insertion. Always compute dominators and
15864 create the allocation pool.
15865 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15866 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15867 * targhooks.c (default_min_divistions_for_recip_mul): New.
15868 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15869 * passes.c (init_optimization_passes): Run recip after tree loop
15871 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15873 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15874 Kenneth Zadeck <zadeck@naturalbridge.com>
15876 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15877 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15878 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15879 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15880 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15881 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15882 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15883 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15884 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15885 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15886 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15887 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15888 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15889 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15890 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15891 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15892 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15893 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15894 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15895 DF_SCAN_POST_ALLOC): New macros.
15896 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15897 df_free_bb_function, df_local_compute_function, df_init_function,
15898 df_dataflow_function, df_confluence_function_0,
15899 df_confluence_function_n, df_transfer_function,
15900 df_finalizer_function, df_free_function, df_dump_problem_function,
15901 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15902 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15903 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15904 df_urec_bb_info, ) New types.
15905 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15907 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15908 df_analyze_simple_change_some_blocks,
15909 df_analyze_simple_change_one_block, df_compact_blocks,
15910 df_bb_replace, df_bb_regno_last_use_find,
15911 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15912 df_insn_regno_def_p, df_find_def, df_find_use,
15913 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15914 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15915 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15916 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15917 debug_df_chain, df_get_dependent_problem, df_chain_create,
15918 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15919 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15920 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15921 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15922 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15923 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15924 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15925 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15926 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15927 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15928 df_reorganize_refs, df_set_state, df_hard_reg_init,
15929 df_read_modify_subreg_p) New public functions.
15930 * df-core.c: The core dataflow solver and glue routines for rtl
15932 (df_init, df_add_problem, df_set_blocks, df_finish,
15933 df_hybrid_search_forward, df_hybrid_search_backward,
15934 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15935 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15936 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15937 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15938 df_reg_defined, df_find_use, df_reg_used, df_dump,
15939 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15940 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15941 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15942 debug_df_useno, reset_df_after_reload): New functions.
15943 * df-scan.c: The scanning fuctions, once in df.c, completely
15944 rewritten so that they now fully model the functionality of
15945 register usage at the backend.
15946 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15947 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15948 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15949 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15950 df_get_artificial_defs, df_get_artificial_uses,
15951 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15952 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15953 df_refs_delete, df_reorganize_refs, df_set_state,
15954 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15955 df_def_record_1, df_defs_record, df_uses_record,
15956 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15957 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15958 df_record_exit_block_uses, df_hard_reg_init): New functions.
15960 * df-problems.c: Seven concrete dataflow problems that use the
15961 scanning in df-scan.c and are solved by the engine in df-core.c.
15962 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15963 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15964 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15965 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15966 df_ru_free_bb_info, df_ru_alloc,
15967 df_ru_bb_local_compute_process_def,
15968 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15969 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15970 df_ru_transfer_function, df_ru_free, df_ru_dump,
15971 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15972 df_rd_free_bb_info, df_rd_alloc,
15973 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15974 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15975 df_rd_transfer_function, df_rd_free, df_rd_dump,
15976 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15977 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15978 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15979 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15980 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15981 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15982 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15983 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15984 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15985 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15986 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15987 df_urec_mark_reg_use_for_earlyclobber,
15988 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15989 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15990 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15991 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15992 df_chain_create_bb_process_use, df_chain_create_bb,
15993 df_chain_finalize, df_chain_free, df_chains_dump,
15994 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15995 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15996 df_reg_lifetime): New functions.
15997 * df.c: Deleted file.
15998 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15999 consistent with new df api.
16000 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16001 rest_of_handle_sms): Ditto.
16002 * web.c (unionfind_union, union_defs, entry_register, web_main):
16004 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16005 invariant_expr_equal_p, find_defs, check_dependencies,
16006 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16007 free_inv_motion_data, move_loop_invariants): Ditto.
16008 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16009 Update dependencies.
16010 (odf.c): Added defective entry that was deleted later in day.
16011 * sched-deps.c (sched_analyze_1): Ditto.
16013 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16015 * tree-ssa-operands.c (get_expr_operands): Record addressable
16016 variables directly. Do not call add_stmt_operands for CONST_DECLs
16018 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16019 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16021 2006-01-11 Ben Elliston <bje@au.ibm.com>
16023 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16024 function returns true in the positive case.
16026 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16029 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16030 for SI, DI, SF and DF modes. Add alternatives to copy between
16031 general and floating point registers to the 32-bit patterns.
16032 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16033 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16034 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16035 generating 64-bit code.
16036 * config/pa/pa.c (output_move_double): Handle copies between general
16037 and floating registers.
16039 2006-01-10 Stuart Hastings <stuart@apple.com>
16041 * config/i386/i386.md (set_got): Update.
16042 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16043 (builtin_setjmp_receiver): Mach-O support.
16044 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16045 (GOT_SYMBOL_NAME): Define.
16046 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16047 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16048 * config/i386/i386.c (override_options): Revise for Darwin.
16049 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16050 support. (darwin_x86_file_end): New. (output_set_got): Add label
16051 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16052 * config/i386/i386-protos.h (output_set_got): Likewise.
16053 * config/darwin.c (machopic_legitimize_pic_address): Update
16056 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16058 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16059 when MODE isn't BLKmode.
16061 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16063 PR rtl-optimization/25367
16064 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16066 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16069 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16070 for a negative bound.
16072 2006-01-10 Richard Guenther <rguenther@suse.de>
16074 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16075 Never override with anything constraint.
16077 2006-01-10 Jan Beulich <jbeulich@novell.com>
16079 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16080 256 bits when optimize_size.
16082 2006-01-10 Jan Beulich <jbeulich@novell.com>
16084 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16086 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16087 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16090 2006-01-10 Ben Elliston <bje@au.ibm.com>
16092 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16094 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16095 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16096 (USE_FP_FOR_ARG): Reject decimal float modes.
16097 (function_arg_advance): Likewise.
16098 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16099 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16100 point types in AltiVec vectors.
16101 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16102 (rs6000_libcall_value): Likewise.
16104 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16106 * config/xtensa/ieee754-df.S: New file.
16107 * config/xtensa/ieee754-sf.S: New file.
16108 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16109 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16110 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16112 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16114 * config/sh/predicates.md (binary_float_operator,
16115 binary_logical_operator, commutative_float_operator,
16116 equality_comparison_operator, greater_comparison_operator,
16117 less_comparison_operator, logical_operator,
16118 noncommutative_float_operator, shift_operator,
16119 symbol_ref_operand, unary_float_operator): Remove redundant
16122 2006-01-09 Jeff Law <law@redhat.com>
16124 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16125 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16126 now unused arguments. Callers updated.
16127 (eliminate_redundant_computations): Remove now unused arguments,
16129 (local_fold): Remove, no longer used.
16130 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16132 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16133 (simplify_cond): New function.
16134 (forward_propagate_into_cond): Call simplify_cond.
16136 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16138 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16139 (*vec_extractv2di_1_sse): New.
16141 2006-01-09 Ben Elliston <bje@au.ibm.com>
16143 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16145 2006-01-08 Richard Guenther <rguenther@suse.de>
16147 * tree-ssa-structalias.c (get_constraint_for): Remove
16148 anyoffset argument.
16149 (get_constraint_for_component_ref): Likewise.
16150 (do_deref): Likewise.
16151 (get_constraint_for): Likewise.
16152 (do_structure_copy): Likewise.
16153 (handle_ptr_arith): Likewise.
16154 (find_func_aliases): Likewise. Remove unused need_anyoffset
16157 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16158 Kaz Kojima <kkojima@gcc.gnu.org>
16160 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16161 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16162 (EXTRA_CONSTRAINT_C16): Remove.
16163 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16164 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16165 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16166 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16167 constants of SHmedia. Handle nested constant expressions of
16169 (andcosts): Fix the costs for SHmedia constants.
16170 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16171 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16172 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16173 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16174 (movv4hi_i, movv2si_i): Likewise.
16175 (movsi_const): Adjust the second operand of ior so to match with
16176 the Csu constraint.
16177 (movdi_const, movdi_const_32bit): Likewise.
16178 (movdi_const_16bit+1): Don't sign-extend LOW.
16179 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16181 (*double_shori): Fix the split condition. Use GEN_INT instead
16182 of get_int_mode calls. Mask lower 16-bit of the argument of
16184 (sym2GOTPLT): Remove.
16185 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16187 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16188 instead of EXTRA_CONSTRAINT_C16.
16190 2006-01-07 Ian Lance Taylor <ian@airs.com>
16191 David Edelsohn <edelsohn@gnu.org>
16193 PR rtl-optimization/25662
16194 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16195 for constant operands instead of simplify_gen_binary.
16196 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16197 after trying simplify_binary_operation
16199 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16201 * tree.c (iterative_hash_expr): Hash decls based on UID.
16203 2006-01-06 Eric Christopher <echristo@apple.com>
16205 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16206 (TARGET_UNWIND_EMIT): Fix spelling.
16207 * target.h (gcc_target): Add except_table_label.
16208 * except.c (output_function_exception_table): Use.
16209 * varasm.c (default_emit_except_table_label): New.
16210 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16212 (asm_out): Add here.
16213 * output.h (default_emit_except_table_label): Prototype.
16214 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16215 * config/darwin.c (darwin_emit_except_table_label): Define.
16216 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16218 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16220 PR tree-optimization/18527
16221 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16222 number_of_iterations_special, number_of_iterations_exit):
16223 Move base and step of an iv to a single structure. Add
16224 no_overflow flag, and use it in # of iterations analysis.
16225 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16226 folded_casts argument.
16227 (simple_iv): Pass base and step in a structure. Set no_overflow
16229 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16230 Evaluate expensiveness of computing # of iterations instead of
16231 the final expression.
16232 * tree-scalar-evolution.h (affine_iv): New structure.
16233 (simple_iv): Declaration changed.
16234 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16235 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16236 find_givs_in_stmt): Changed due to simple_iv change.
16238 2006-01-06 Jeff Law <law@redhat.com>
16241 * tree-cfg.c (bsi_replace): Rename final argument from
16242 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16243 change (stmt -> orig_stmt).
16244 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16245 (bsi_remove): Add new argument. Remove EH information
16247 (verify_eh_throw_table_statements): New function.
16248 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16250 * tree-optimize.c (execute_free_cfg_annotations): Verify
16251 the EH throw statement table after removing annotations.
16252 * except.h (verify_eh_throw_table_statements): Prototype.
16253 * tree-flow.h (bsi_remove): Update prototype.
16254 * tree-vrp.c (remove_range_assertions): Add new argument to
16256 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16257 * tree-complex.c (expand_complex_div_wide): Likewise.
16258 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16259 * tree-tailcall.c (eliminate_tailcall): Likewise.
16260 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16261 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16262 * tree-nrv.c (tree_nrv): Likewise.
16263 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16264 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16265 (combine_blocks): Likewise.
16266 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16267 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16268 (cleanup_control_flow): Likewise.
16269 (remove_forwarder_block): Likewise.
16270 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16271 * tree-sra.c (sra_replace): Likewise.
16272 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16273 (forward_propagate_single_use_vars): Likewise.
16274 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16275 * tree-inline.c (expand_call_inline): Likewise.
16276 * tree-vect-transform.c (vect_transform_loop): Likewise.
16277 * tree-outof-ssa.c (rewrite_trees): Likewise.
16278 * tree-cfg.c (make_goto_expr_edges): Likewise.
16279 (cleanup_dead_labels): Likewise.
16280 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16281 (bsi_move_before, bsi_move_after): Likewise.
16282 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16283 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16285 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16288 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16290 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16291 on non gimple variables. Also add checks at the top for decls and
16293 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16295 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16296 and IMAGPART_EXPR for creating MUST_DEFs.
16297 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16298 and NAME_MEMORY_TAG separately from the DECLs.
16300 2006-01-06 Richard Guenther <rguenther@suse.de>
16302 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16303 annotation, if necessary.
16304 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16305 redundant calls to update_stmt.
16306 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16309 2006-01-05 Richard Henderson <rth@redhat.com>
16311 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16313 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16315 * c-typeck.c: Update copyright date.
16317 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16319 * c-typeck.c (build_c_cast): Always warn when casting
16320 from a pointer to an integer of different size, even if
16321 the node was constant.
16323 2006-01-05 Richard Guenther <rguenther@suse.de>
16325 PR tree-optimization/22555
16326 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16327 if one structure field is an array.
16328 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16329 operands even if we found a subvar, but ignore VOPs in this
16331 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16333 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16335 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16337 PR middle-end/24998
16338 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16340 2006-01-05 Richard Guenther <rguenther@suse.de>
16341 Diego Novillo <dnovillo@redhat.com>
16343 * tree-pass.h (TODO_remove_unused_locals): Define.
16344 * gimple-low.c (expand_var_p, remove_useless_vars,
16345 pass_remove_useless_vars): Remove. Update all users.
16346 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16347 (remove_unused_locals): New function.
16348 * tree-flow.h (remove_unused_locals): Declare.
16349 * passes.c (execute_todo): Call remove_unused_locals if
16350 TODO_remove_unused_locals is set.
16351 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16352 * tree-ssa-dce.c (pass_dce): Likewise.
16353 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16355 2006-01-05 Richard Guenther <rguenther@suse.de>
16357 * tree-flow.h (struct fieldoff): Decompose field to
16358 type, size and decl.
16359 * tree-ssa-alias.c (create_sft): Take type as parameter.
16360 (create_overlap_variables_for): Store type, size and decl
16361 in the fieldoff structure.
16362 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16363 of struct fieldoff.
16364 (push_fields_onto_fieldstack): Likewise.
16365 (create_variable_info_for): Likewise. Use offset for the
16366 SFT name if the decl is not available.
16368 2006-01-04 Paul Brook <paul@codesourcery.com>
16370 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16372 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16374 * lambda-code.c (can_put_in_inner_loop): Relax
16376 (can_put_after_inner_loop): New function.
16377 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16378 (perfect_nestify): Change to make copies and modify uses.
16380 2006-01-04 Richard Henderson <rth@redhat.com>
16382 Merge from gomp branch:
16383 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16384 via integer constant.
16385 (pragma_lex): Remove.
16386 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16387 rather than parsing it.
16388 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16389 handle_pragma_extern_prefix): Add %< %> quotes.
16390 (registered_pragmas): New.
16391 (c_register_pragma_1): New.
16392 (c_register_pragma): Use it.
16393 (c_register_pragma_with_expansion): Likewise.
16394 (c_invoke_pragma_handler): New.
16395 (init_pragma): Use cpp_register_deferred_pragma directly for
16397 * c-pragma.h (enum pragma_kind): New.
16398 (pragma_handler): New.
16399 (c_invoke_pragma_handler): Declare.
16400 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16402 * c-common.h (c_common_pch_pragma): Update decl.
16403 * Makefile.in (c-parser.o): Update dependencies.
16404 (GTFILES): Add c-pragma.h.
16405 * c-parser.c (struct c_token): Add pragma_kind.
16406 (struct c_parser): Add in_pragma.
16407 (c_lex_one_token): Always initialize keyword and pragma_kind.
16408 Extract data for CPP_PRAGMA.
16409 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16410 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16411 Don't allow CPP_PRAGMA_EOL if in_pragma.
16412 (c_parser_consume_pragma): New.
16413 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16414 (c_parser_skip_to_end_of_parameter): Likewise.
16415 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16416 (c_parser_skip_to_pragma_eol): New.
16417 (c_parser_external_declaration): Handle CPP_PRAGMA.
16418 (c_parser_compound_statement_nostart): Likewise.
16419 (c_parser_statement_after_labels): Likewise.
16420 (c_parser_pragma): New.
16421 (pragma_lex): Likewise.
16422 (c_parser_pragma_pch_preprocess): New.
16423 (c_parser_new): Merge into ...
16424 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16426 2006-01-04 Jeff Law <law@redhat.com>
16429 * tree-cfg.c (bsi_replace): Remove the original statement
16430 from the EH throw statement table.
16432 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16434 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16435 make the prototype extern "C" and add throw ().
16438 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16439 and pos non-negative and pos + len <= 32.
16440 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16441 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16442 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16445 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16446 as well as sizes not multiple of component size.
16449 * function.c (instantiate_expr): New function.
16450 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16451 walk its DECL_VALUE_EXPR with instantiate_expr.
16453 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16454 DW_OP_deref{,_size} if address isn't going to be added.
16456 2006-01-04 Ben Elliston <bje@au.ibm.com>
16458 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16459 * config/fp-bit.c: Likewise.
16461 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16463 * dominance.c: Add comment about why we use DFS numbering
16466 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16467 Richard Henderson <rth@redhat.com>
16469 Merge from gomp-branch:
16470 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16471 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16473 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16475 PR rtl-optimization/25578
16476 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16477 pass a parameter to simplify_shift_const if changing ASHIFTRT
16480 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16482 * builtins.c (get_builtin_sync_mem): New function.
16483 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16484 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16485 Call get_builtin_sync_mem to generate mem rtx.
16487 2006-01-03 Richard Guenther <rguenther@suse.de>
16490 * stmt.c (add_case_node): Make sure to clear overflow flags
16493 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16495 Merge from gomp-branch.
16496 * config/sparc/sync.md: New file.
16497 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16498 UNSPECV_LDSTUB): New constants.
16499 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16500 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16501 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16504 2006-01-03 Roger Sayle <roger@eyesopen.com>
16506 * combine.c (reg_subword_p): New predicate to test whether the
16507 destination of a set refers to a subword/piece of a register.
16508 (try_combine): Generalize the code to merge the setting of a
16509 pseudo to a constant followed by a set of a subword of that
16510 register to a constant.
16512 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16514 * basic-block.h (control_flow_graph): Change the type of
16515 x_label_to_block_map to VEC(basic_block,gc) *.
16516 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16517 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16519 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16520 VEC(basic_block,heap) *.
16521 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16522 ssa_prop_fini): Adjust the uses of cfg_blocks.
16524 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16526 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16528 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16529 hashing trees instead of a pointer hash.
16530 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16531 compare for MEM_EXPR.
16533 PR rtl-optimization/25130
16534 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16535 when comparing MEMs for GCSE
16537 2006-01-03 Ben Elliston <bje@au.ibm.com>
16539 * targhooks.h (default_decimal_float_supported_p): Declare.
16540 * targhooks.c (default_decimal_float_supported_p): Define.
16541 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16542 `default_decimal_float_supported_p'.
16543 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16545 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16547 * combine.c (apply_distributive_law <SUBREG>): Check
16548 TRULY_NOOP_TRUNCATION.
16550 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16552 * dwarf2out.c (have_switched_text_section): Delete.
16553 (have_multiple_function_sections): New.
16554 (have_location_lists): Make 'bool'.
16555 (add_AT_loc_list): Use 'true' not '1'.
16556 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16557 (output_loc_list): Use have_multiple_function_sections.
16558 (output_ranges): Likewise.
16559 (dwarf2out_begin_function): Set have_multiple_function_sections if
16561 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16562 Check function_section rather than DECL_SECTION_NAME.
16563 (dwarf2out_finish): Use have_multiple_function_sections.
16564 Don't clear have_location_lists.
16566 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16567 Jan Hubicka <jh@suse.cz>
16569 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16570 case of conditional jump jumping to the next instruction.
16571 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16572 cases of conditional jump jumping to the next instruction.
16574 2006-01-02 Jan Hubicka <jh@suse.cz>
16576 * i386.c (*_cost): Add COSTS_N_INSNS.
16577 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16579 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16582 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16584 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16586 * config/arm/arm.c (all_fpus): Fix comment typo.
16587 * config/darwin.c: Likewise.
16588 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16589 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16590 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16592 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16594 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16595 (rs6000_split_compare_and_swapqhi): New.
16596 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16597 (sync_compare_and_swapqhi_internal): New.
16598 * config/rs6000/rs6000-protos.h: Declare.