1 2006-10-27 Mike Stump <mrs@apple.com>
3 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4 __DYNAMIC__ from here back to ...
5 * config/darwin.h (CPP_SPEC): ... here.
7 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
8 Nathan Sidwell <nathan@codesourcery.com>
10 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
11 when choosing the minimum heapsize.
13 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
15 * gcc/unwind-dw2.h: Move cfa-related variables into
16 struct frame_state_reg_info to ensure that the CFA is properly
17 handled when executing DW_CFA_{remember,restore}_state.
18 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
19 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
20 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
21 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
22 gcc/config/rs6000/linux-unwind.h,
23 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
24 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
25 Modify to use new cfa_* fields.
27 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
29 * config/s390/s390.c (s390_init_frame_layout): Check positive
32 2006-10-26 Ben Elliston <bje@au.ibm.com>
34 * gimplify.c (get_name): Remove extraneous break.
35 (gimplify_omp_for): Initialise ret with GS_OK.
37 2006-10-25 Steve Ellcey <sje@cup.hp.com>
39 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
40 Add unix98.o to link line.
42 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
45 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
46 Calculate compile-time constants using MPFR.
47 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
48 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
50 2006-10-25 Bob Wilson <bob.wilson@acm.org>
52 * config/xtensa/lib2funcs.S: Use C-style comments.
54 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
56 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
57 (file_table_relative_p): Likewise.
58 (dwarf2out_finish): Likewise.
59 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
61 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
63 * tree-ssa-structalias.c (intra_create_variable_infos):
64 Don't recreate nonlocal_all if it already exists.
66 2006-10-25 Richard Guenther <rguenther@suse.de>
69 * optabs.h (enum optab_index): Remove OTI_lrint.
70 (enum convert_optab_index): Add COI_lrint.
71 (lrint_optab): Adjust.
72 (expand_sfix_optab): Declare.
73 * optabs.c (expand_sfix_optab): New function.
74 (init_optabs): Init lrint_optab as conversion optab.
75 * genopinit.c (lrint_optab): Change to a conversion optab.
76 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
77 expansion via conversion optab.
78 * config/i386/i386.md (*fistdi2_1): Remove
79 flag_unsafe_math_optimizations guard.
80 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
81 fist<mode>2_with_temp): Likewise.
82 (lrint<mode>2): Split into...
83 (lrintxf<mode>2): ... x87 part
84 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
85 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
86 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
87 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
88 * doc/md.texi (lrintMN2): Document.
90 2006-10-25 Uros Bizjak <uros@kss-loka.si>
93 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
94 Use inc and dec instructions for TARGET_USE_INCDEC.
95 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
96 ("sync_double_compare_and_swap<mode>"): Likewise.
97 ("*sync_double_compare_and_swapdi_pic"): Likewise.
98 ("*sync_compare_and_swap_cc<mode>"): Likewise.
99 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
100 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
101 ("sync_old_add<mode>"): Likewise.
102 ("sync_lock_test_and_set<mode>"): Likewise.
103 ("sync_lock_test_and_set<mode>"): Likewise.
104 ("sync_add<mode>"): Likewise.
105 ("sync_sub<mode>"): Likewise.
106 ("sync_ior<mode>"): Likewise.
107 ("sync_and<mode>"): Likewise.
108 ("sync_xor<mode>"): Likewise.
110 2006-10-25 Uros Bizjak <uros@kss-loka.si>
112 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
113 (remainder_optab): Define corresponding macro.
114 (drem_optab): Remove.
115 * optabs.c (init_optabs): Initialize remainder_optab. Remove
116 drem_optab initialization.
117 * genopinit.c (optabs): Implement remainder_optab using
118 remainder?f3 patterns. Remove drem_optab.
119 * builtins.c (expand_builtin_mathfn_2): Handle
120 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
121 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
122 expand_builtin_mathfn_2.
124 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
125 depend on flag_unsafe_math_optimizations.
127 * config/i386/i386.md ("remaindersf3", "remainderdf3")
128 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
129 Do not depend on flag_unsafe_math_optimizations. Use
130 truncxf?f expander instead of truncxf?f_i387_noop.
132 ("fpremxf4", "fprem1xf4"): Do not depend on
133 flag_unsafe_math_optimizations.
134 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
135 flag_unsafe_math_optimizations. Use truncxf?f expander
136 instead of truncxf?f_i387_noop.
138 * doc/md.texi (fmod, remainder): Document standard named pattern.
140 2006-10-24 Richard Sandiford <richard@codesourcery.com>
141 David Daney <ddaney@avtrex.com>
144 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
146 2006-10-25 Ben Elliston <bje@au.ibm.com>
148 * doc/extend.texi (Variable Attributes): Typo fix.
150 2006-10-24 Uros Bizjak <uros@kss-loka.si>
152 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
153 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
154 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
155 (FRAME_POINTER_REGNUM): Update register number to 21.
156 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
157 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
159 * config/i386/i386.c (regclass_map): Add fpcr entry.
160 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
162 (print_reg): Assert REGNO (x) != FPCR_REG.
164 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
165 (DIRFLAG_REG): Renumber.
166 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
167 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
168 (sse_prologue_save, *sse_prologue_save_insn): Renumber
169 hardcoded SSE register numbers.
171 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
172 hardcoded MMX register numbers.
174 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
177 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
178 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
180 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
181 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
182 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
183 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
185 2006-10-24 Richard Guenther <rguenther@suse.de>
188 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
189 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
190 for deciding optimizations in consistency with fold-const.c
191 (fold_builtin_unordered_cmp): Likewise.
193 2006-10-24 Richard Guenther <rguenther@suse.de>
195 * builtins.c (fold_builtin_floor): Fold floor (x) where
196 x is nonnegative to trunc (x).
197 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
198 nonnegative to FIX_TRUNC_EXPR.
200 2006-10-24 Richard Guenther <rguenther@suse.de>
202 PR tree-optimization/29567
203 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
204 for TRUTH_NOT_EXPR. Clarify comments.
206 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
210 at compile-time using MPFR. Change parameter VALUE to FUNC,
212 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
213 for overflow and underflow at all times and avoid folding in
216 2006-10-24 Ben Elliston <bje@au.ibm.com>
218 * reload1.c: Formatting fixes.
220 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
222 PR tree-optimization/14784
223 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
224 * tree-ssa-structalias.c (get_constraint_for,
225 intra_create_variable_infos): Set is_heapvar.
226 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
227 non-heapvar pointer variables specially.
229 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
232 * builtins.c (fold_builtin_sin, fold_builtin_cos,
233 fold_builtin_tan): Fold all constant arguments. Take a "type"
234 argument as necessary.
236 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
238 2006-10-23 Bob Wilson <bob.wilson@acm.org>
240 * config/xtensa/lib1funcs.asm: Use C-style comments.
242 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
244 * tree.c (local_define_builtin): Replace calls to
245 lang_hooks.builtin_function with add_builtin_function.
246 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
248 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
250 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
251 common code to add_builtin_function.
252 * langhooks.c (add_builtin_function): New function.
253 (lhd_builtin_function): New function.
254 * langhooks.h (struct lang_hooks): Change the signature of
256 (add_builtin_function): New function.
257 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
258 calls to lang_hooks.builtin_function with add_builtin_function.
259 * c-common.c (decl_builtin_1): Replace calls to
260 lang_hooks.builtin_function with add_builtin_function.
261 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
262 lang_hooks.builtin_function with add_builtin_function.
263 * config/frv/frv.c (def_builtin): Replace calls to
264 lang_hooks.builtin_function with add_builtin_function.
265 * config/s390/s390.c (s390_init_builtins): Replace calls to
266 lang_hooks.builtin_function with add_builtin_function.
267 * config/sparc/sparc.c (def_builtin): Replace calls to
268 lang_hooks.builtin_function with add_builtin_function.
269 * config/i386/i386.c (def_builtin): Replace calls to
270 lang_hooks.builtin_function with add_builtin_function.
271 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
272 lang_hooks.builtin_function with add_builtin_function.
273 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
274 lang_hooks.builtin_function with add_builtin_function.
275 * config/stormy16/stormy16.c (xstormy16_init_builtins):
276 Replace calls to lang_hooks.builtin_function with
277 add_builtin_function.
278 * config/iq2000/iq2000.c (def_builtin):
279 Replace calls to lang_hooks.builtin_function with
280 add_builtin_function.
281 * config/ia64/ia64.c (def_builtin): Replace calls to
282 lang_hooks.builtin_function with add_builtin_function.
283 * config/rs6000/rs6000.c (def_builtin): Replace calls to
284 lang_hooks.builtin_function with add_builtin_function.
285 (altivec_init_builtins): Replace calls to
286 lang_hooks.builtin_function with add_builtin_function.
287 * config/arm/arm.c (def_mbuiltin): Replace calls to
288 lang_hooks.builtin_function with add_builtin_function.
289 (arm_init_tls_builtins): Replace calls to
290 lang_hooks.builtin_function with add_builtin_function.
291 * config/mips/mips.c (mips_init_builtins): Replace calls to
292 lang_hooks.builtin_function with add_builtin_function.
293 * config/bfin/bfin.c (def_builtin): Replace calls to
294 lang_hooks.builtin_function with add_builtin_function.
295 * langhooks-def.h (lhd_builtin_function): New function.
296 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
298 2006-10-23 Jakub Jelinek <jakub@redhat.com>
300 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
301 BUILT_IN_STRNCAT_CHK.
303 2006-10-23 Jan Hubicka <jh@suse.cz>
305 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
306 don't do conversion from memmove to memcpy here.
307 (expand_builtin_bcopy, expand_builtin): Update call of
308 expand_builtin_memmove.
309 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
311 2006-10-23 Paul Brook <paul@codesourcery.com>
313 * stor-layout.c (start_record_layout): maximum_field_alignment
314 overrides STRUCTURE_SIZE_BOUNDARY.
316 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
318 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
319 nonlocal function symbols if flag_pic.
321 2006-10-23 Richard Guenther <rguenther@suse.de>
325 * builtins.c (fold_binary): Remove checks for flag_wrapv
326 and flag_trapv where negate_expr_p covers these cases.
328 2006-10-23 Richard Guenther <rguenther@suse.de>
331 * fold-const.c (fold_plusminus_mult_expr): Check exact power
332 of two on the absolute value.
333 (fold_binary): Fold x * -C to -x * C if x is easily negatable
334 and negating -C does not overflow.
336 2006-10-23 Richard Guenther <rguenther@suse.de>
339 * convert.c (convert_to_real): Fold (float)-x to -(float)x
340 only if not flag_rounding_math.
342 2006-10-22 Richard Sandiford <richard@codesourcery.com>
343 Kaz Kojima <kkojima@gcc.gnu.org>
346 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
347 SImode memory reference for the source of a movua.
348 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
349 (movua): Use an unspec instead of sign_extract. Expect the source
350 to have mode BLKmode.
351 (extv, insv): Use a BLKmode rather than SImode memory reference
352 for the source of a movua.
354 2006-10-22 Jeff Law <law@redhat.com>
355 Richard Guenther <rguenther@suse.de>
357 PR tree-optimization/15911
358 * tree-vrp.c (extract_code_and_val_from_cond): New function.
359 (register_edge_assert_for_1): Likewise.
360 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
361 (find_conditional_asserts): Adjust for new function signature.
362 (find_assert_locations): Likewise.
364 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
366 * config/i386/tmmintrin.h: Remove the duplicated content.
368 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
370 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
371 (x86_64-*-*): Likewise.
373 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
374 (override_options): Check SSSE3.
375 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
376 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
377 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
378 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
379 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
380 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
381 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
382 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
383 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
384 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
385 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
386 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
387 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
388 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
389 IX86_BUILTIN_PABSD128.
390 (bdesc_2arg): Add SSSE3.
391 (bdesc_1arg): Likewise.
392 (ix86_init_mmx_sse_builtins): Support SSSE3.
393 (ix86_expand_builtin): Likewise.
394 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
396 * config/i386/i386.md (UNSPEC_PSHUFB): New.
397 (UNSPEC_PSIGN): Likewise.
398 (UNSPEC_PALIGNR): Likewise.
399 Include mmx.md before sse.md.
401 * config/i386/i386.opt: Add -mssse3.
403 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
404 (ssse3_phaddwv4hi3): Likewise.
405 (ssse3_phadddv4si3): Likewise.
406 (ssse3_phadddv2si3): Likewise.
407 (ssse3_phaddswv8hi3): Likewise.
408 (ssse3_phaddswv4hi3): Likewise.
409 (ssse3_phsubwv8hi3): Likewise.
410 (ssse3_phsubwv4hi3): Likewise.
411 (ssse3_phsubdv4si3): Likewise.
412 (ssse3_phsubdv2si3): Likewise.
413 (ssse3_phsubswv8hi3): Likewise.
414 (ssse3_phsubswv4hi3): Likewise.
415 (ssse3_pmaddubswv8hi3): Likewise.
416 (ssse3_pmaddubswv4hi3): Likewise.
417 (ssse3_pmulhrswv8hi3): Likewise.
418 (ssse3_pmulhrswv4hi3): Likewise.
419 (ssse3_pshufbv16qi3): Likewise.
420 (ssse3_pshufbv8qi3): Likewise.
421 (ssse3_psign<mode>3): Likewise.
422 (ssse3_psign<mode>3): Likewise.
423 (ssse3_palignrti): Likewise.
424 (ssse3_palignrdi): Likewise.
425 (abs<mode>2): Likewise.
426 (abs<mode>2): Likewise.
428 * config/i386/tmmintrin.h: New file.
430 * doc/extend.texi: Document SSSE3 built-in functions.
432 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
434 2006-10-22 Ira Rosen <irar@il.ibm.com>
436 * tree-vect-transform.c (vectorizable_load): Use the type of the
437 return value of the mask_for_load builtin to create realign_load
440 2006-10-22 Richard Sandiford <richard@codesourcery.com>
442 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
445 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
447 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
448 (UNSPEC_LDDQU): This.
449 * config/i386/sse.md (sse3_lddqu): Updated.
451 2006-10-21 Richard Guenther <rguenther@suse.de>
453 * builtins.c (expand_builtin_int_roundingfn_2): New function.
454 (expand_builtin): Use it to expand lrint instead of
455 expand_builtin_mathfn.
457 2006-10-21 Uros Bizjak <uros@kss-loka.si>
460 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
461 flag_unsafe_math_optimizations is set.
463 2006-10-21 Uros Bizjak <uros@kss-loka.si>
466 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
467 patterns to use memory input operand in x87->mem->XMM
468 reload sequences. Skip transformation for TARGET_K8.
470 2006-10-21 Uros Bizjak <uros@kss-loka.si>
472 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
473 force operand1 to register if both operands are memory operands.
474 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
475 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
476 if both operands are memory operands.
477 (truncdfsf2): Do not force operand1 to register if both operands
480 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
482 * Makefile.in (LIBS): Add $(GMPLIBS).
483 * doc/install.texi: Update GMP and MPFR requirements.
484 * doc/sourcebuild.texi (need_gmp): Delete.
486 2006-10-21 Richard Guenther <rguenther@suse.de>
488 PR tree-optimization/3511
489 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
490 got new invariant arguments during PHI translation.
492 2006-10-21 Richard Guenther <rguenther@suse.de>
495 * fold-const.c (fold_comparison): Fold signed comparisons
496 of the form X +- C1 CMP Y +- C2.
498 2006-10-21 Richard Guenther <rguenther@suse.de>
501 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
502 if flag_unsafe_math_optimizations is specified. We have
503 flag_finite_math_only for that.
504 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
505 or flag_unsafe_math_optimizations.
507 2006-10-21 Richard Guenther <rguenther@suse.de>
509 * builtins.c (fold_builtin_classify): Fix typo.
511 2006-10-21 Richard Guenther <rguenther@suse.de>
514 * simplify-rtx.c (simplify_const_relational_operation):
515 Do not constant-fold ORDERED and UNORDERED for
516 flag_unsafe_math_optimizations but only we do not need to
517 honor NaNs for the given mode.
519 2006-10-21 Richard Guenther <rguenther@suse.de>
522 * config/i386/i386.c (classify_argument): Remove redundant
523 walking of the BINFOs.
524 (contains_128bit_aligned_vector_p): Likewise.
526 2006-10-20 Mark Mitchell <mark@codesourcery.com>
528 * BASE-VER: Set to 4.3.0.
530 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
532 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
533 (tree_decl_with_vis): Remove artificial_pta_var flag.
534 * tree-flow.h (referenced_var_check_and_insert): Expose.
535 (nonlocal_all): New prototype.
536 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
537 (nonlocal_all): Make global.
538 (nonlocal_lookup): Remove.
539 (nonlocal_insert): Ditto.
540 (create_nonlocal_var): Do not call nonlocal_insert.
541 (get_nonlocal_id_for_type): Remove.
542 (find_global_initializers): Mark new vars we find for renaming.
543 (intra_create_variable_infos): Only create one nonlocal.
544 (expand_nonlocal_solutions): Remove.
545 (compute_points_to_sets): Don't call it.
546 (ipa_pta_execute): Ditto.
547 (init_alias_heapvars): Don't create nonlocal_for_type.
548 (delete_alias_heapvars): Don't remove it.
549 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
552 2006-10-19 Brooks Moses <bmoses@stanford.edu>
554 * doc/install.texi (Downloading GCC): Clarify mention of
555 Fortran in the "full distribution" description.
557 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
559 Fix PR tree-optimization/28778
560 Fix PR tree-optimization/29156
561 Fix PR tree-optimization/29415
562 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
563 (tree_decl_with_vis): Add artificial_pta_var flag.
564 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
566 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
567 (nonlocal_all): Ditto.
568 (struct variable_info): Add directly_dereferenced member.
569 (var_escaped_vars): New variable.
570 (escaped_vars_tree): Ditto.
571 (escaped_vars_id): Ditto.
572 (nonlocal_vars_id): Ditto.
573 (new_var_info): Set directly_dereferenced.
574 (graph_size): New variable
575 (build_constraint_graph): Use graph_size.
576 (solve_graph): Don't process constraints that cannot change the
577 solution, don't try to propagate an empty solution to our
579 (process_constraint): Set directly_dereferenced.
580 (could_have_pointers): New function.
581 (get_constraint_for_component_ref): Don't process STRING_CST.
582 (nonlocal_lookup): New function.
583 (nonlocal_insert): Ditto.
584 (create_nonlocal_var): Ditto.
585 (get_nonlocal_id_for_type): Ditto.
586 (get_constraint_for): Allow results vector to be empty in the case
588 Handle results of calls properly.
589 (update_alias_info): Update alias info stats on number and type of
591 (find_func_aliases): Use could_have_pointers.
592 (make_constraint_from_escaped): Renamed from
593 make_constraint_to_anything, and changed to make constraints from
595 (make_constraint_to_escaped): New function.
596 (find_global_initializers): Ditto.
597 (create_variable_info_for): Make constraint from escaped to any
598 global variable, and from any global variable to the set of
600 (intra_create_variable_infos): Deal with escaped instead of
601 pointing to anything.
602 (set_uids_in_ptset): Do type pruning on directly dereferenced
604 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
605 (init_base_vars): Fix comment, and initialize escaped_vars.
606 (need_to_solve): Removed.
607 (find_escape_constraints): New function.
608 (expand_nonlocal_solutions): Ditto.
609 (compute_points_to_sets): Call find_escape_constraints and
610 expand_nonlocal_solutions.
611 (delete_points_to_sets): Don't fall off the end of the graph.
612 (init_alias_heapvars): Initialize nonlocal_for_type and
614 (delete_alias_heapvars): Free nonlocal_for_type and null out
617 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
619 * fold-const.c (add_double): Rename to add_double_with_sign.
620 Add 'unsigned_p' parameter and take it into account for the overflow.
621 (mul_double): Rename to mul_double_with_sign.
622 Add 'unsigned_p' parameter and take it into account for the overflow.
623 (fold_div_compare): Call add_double_with_sign instead of add_double
624 and mul_double_with_sign instead of mul_double, passing them the
625 unsignedness of the type.
626 * tree.h (add_double): Macroize.
627 (add_double_with_sign): New prototype.
628 (mul_double): Macroize.
629 (mul_double_with_sign): New prototype.
631 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
633 * config/score/crti.asm: New file.
634 * config/score/crtn.asm: New file.
635 * config/score/elf.h: New file.
636 * config/score/mac.md: New file.
637 * config/score/misc.md: New file.
638 * config/score/mul-div.S: New file.
639 * config/score/predicates.md: New file.
640 * config/score/score7.md: New file.
641 * config/score/score.c: New file.
642 * config/score/score-conv.h: New file.
643 * config/score/score.h: New file.
644 * config/score/score.md: New file.
645 * config/score/score-mdaux.c: New file.
646 * config/score/score-mdaux.h: New file.
647 * config/score/score-modes.def: New file.
648 * config/score/score.opt: New file.
649 * config/score/score-protos.h: New file.
650 * config/score/score-version.h: New file.
651 * config/score/t-score-elf: New file.
652 * config.gcc: Add score*-*-* configurations(Update before).
653 * doc/invoke.texi (Score Options): New section.
654 * doc/md.texi (Score family): New section to document constraints.
656 2006-10-19 Nick Clifton <nickc@redhat.com>
658 * config/arm/arm.c: Fix spelling typo.
660 2006-10-18 Tom Tromey <tromey@redhat.com>
662 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
664 2006-10-18 Jan Hubicka <jh@suse.cz>
667 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
670 2006-10-18 Marcin Dalecki <martin@dalecki.de>
672 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
673 TSI_SAME_STMT, since that's the desired entity.
675 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
677 * config/s390/contraints.md: New file.
678 * config/s390/s390-protos.h (s390_mem_constraint,
679 s390_O_constraint_str, s390_N_constraint_str,
680 s390_float_const_zero_p): Function prototypes added.
681 * config/s390/s390.c (s390_extra_constraint_str,
682 s390_const_double_ok_for_constraint_p,
683 s390_const_ok_for_constraint_p): Functions removed.
684 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
685 s390_float_const_zero_p): New functions.
686 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
687 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
688 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
689 Macro definitions removed.
690 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
691 s390_extra_constraint_str): Functions removed.
693 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
694 Richard Sandiford <richard@codesourcery.com>
697 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
698 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
700 2006-10-16 Geoffrey Keating <geoffk@apple.com>
702 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
703 (DWARF2_FRAME_REG_OUT): Likewise.
704 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
705 (DWARF2_FRAME_REG_OUT): Likewise.
707 2006-10-17 Paul Brook <paul@codesourcery.com>
709 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
711 2006-10-16 Brooks Moses <bmoses@stanford.edu>
713 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
714 Standardize on "GNU Fortran" as the official name of the Fortran
717 2006-10-16 Mike Stump <mrs@apple.com>
719 * doc/invoke.texi (Darwin Options): Document -mkernel.
720 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
722 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
723 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
724 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
725 (OS_MISSING_ALTIVEC): Add.
726 * config/i386/i386.c (override_options): Add
727 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
728 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
729 -mkernel, -static or -mdynamic-no-pic is given.
730 (C_COMMON_OVERRIDE_OPTIONS): Add.
731 * config/darwin.opt (fapple-kext): Add.
733 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
734 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
736 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
737 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
738 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
739 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
740 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
742 (flag_apple_kext): Add.
743 (TARGET_KEXTABI): Add.
744 * config/darwin.c (darwin_handle_kext_attribute): Add.
745 (DARWIN_VTABLE_P): Add.
746 (darwin_binds_local_p): Add partial support for rebinding vtables
748 (darwin_kextabi_p): Add.
749 (darwin_override_options): Add.
750 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
751 (darwin_kextabi_p): Add.
752 (darwin_override_options): Add.
753 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
754 __DYNAMIC__ and __STATIC__ here.
756 2006-10-16 Brooks Moses <bmoses@stanford.edu>
758 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
759 Added mention of "make pdf" target, and Texinfo requirements for
762 2006-10-16 DJ Delorie <dj@redhat.com>
764 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
765 into the GOT in case we need a subreg of the address.
767 2006-10-16 Richard Guenther <rguenther@suse.de>
770 * doc/extend.texi (X86 Built-in Functions): Fix typos in
771 SSE builtin documentation. Document SSE2 builtins.
773 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
775 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
776 symbol in the output file for non-shared links when -nostdlib or
777 -nodefaultlibs isn't specified.
779 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
780 posix thread support.
782 2006-10-15 Jan Hubicka <jh@suse.cz>
785 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
786 declared always_inline even when not inlining.
788 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
789 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
790 Andrew Pinski <pinskia@gmail.com>
793 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
795 2006-10-15 Jan Hubicka <jh@suse.cz>
796 Richard Guenther <rguenther@suse.de>
799 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
800 process_function_and_variable_attributes on all variables, including
801 those discovered during cgraph construction phase.
803 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
805 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
807 2006-10-14 Uros Bizjak <uros@kss-loka.si>
809 * config/i386/athlon.md (athlon_fist): Add fisttp.
811 2006-10-13 David Edelsohn <edelsohn@gnu.org>
812 Ian Lance Taylor <ian@airs.com>
815 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
816 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
819 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
821 * config/score/score.c, config/score/score.h: Fix comment
824 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
827 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
830 2006-10-13 Eric Christopher <echristo@apple.com>
832 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
834 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
837 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
838 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
839 alignment supported by 32-bit ELF.
841 2006-10-13 Eric Christopher <echristo@apple.com>
843 * config/darwin.c (darwin_emit_unwind_label): Strip
844 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
846 2006-10-13 Richard Guenther <rguenther@suse.de>
848 PR tree-optimization/29446
849 * tree-vrp.c (fix_equivalence_set): Remove.
850 (extract_range_from_assert): Do not call fix_equivalence_set.
851 (debug_value_range): Print a newline.
852 (compare_name_with_value): For equivalence sets with
853 inconsistent value ranges conservatively bail out.
854 (compare_names): Likewise.
856 2006-10-13 David Edelsohn <edelsohn@gnu.org>
858 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
859 and MPFR for gfortran.
861 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
863 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
864 alignment supported by 32-bit ELF.
866 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
870 * c-typeck.c (digest_init): Always allow initializing vectors
871 that have static storage duration with compound literals.
872 * tree.c (build_type_attribute_qual_variant): New, based on
873 build_type_attribute_variant.
874 (build_type_attribute_variant): Rewrite using the former.
875 (make_vector_type): Use build_type_attribute_qual_variant to build
876 type variants. Use type_hash_canon on the others.
878 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
879 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
881 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
883 2006-10-12 Jan Hubicka <jh@suse.cz>
886 * c-decl.c (c_make_fname_decl): Do not segfault in case where
887 current_function_decl is set but current_function_scope is not.
889 2006-10-12 Jie Zhang <jie.zhang@analog.com>
891 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
892 emit_insn to emit eh_return_internal instruction.
893 (eh_return_internal): Explicitly set pc.
895 2006-10-11 Richard Guenther <rguenther@suse.de>
897 PR tree-optimization/28230
898 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
899 to the correct place.
901 2006-10-11 Richard Guenther <rguenther@suse.de>
904 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
907 2006-10-10 Brooks Moses <bmoses@stanford.edu>
909 * configure.ac: Added pdf to "Make-hooks"
910 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
911 targets and *.pdf file patterns in cleanup targets.
912 * configure: Regenerated.
914 2006-10-10 Anatoly Sokolov <aesok@post.ru>
916 * config/avr/predicates.md: New file.
917 * config/avr/avr.md: Include it.
918 (REG_SP): New constant.
919 (peepholes): Use predicates.
920 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
921 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
922 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
924 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
926 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
929 2006-10-10 Jakub Jelinek <jakub@redhat.com>
932 * builtins.c (var_decl_component_p): New function.
933 (fold_builtin_memset, fold_builtin_memory_op): Restrict
934 single entry optimization to variables and components thereof.
936 2006-10-10 Richard Guenther <rguenther@suse.de>
938 PR rtl-optimization/29323
939 * except.c (set_nothrow_function_flags): For functions
940 that do not bind local bail out early.
942 2006-10-10 Ben Elliston <bje@au.ibm.com>
944 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
947 2006-10-09 Richard Henderson <rth@redhat.com>
951 2006-10-09 Richard Guenther <rguenther@suse.de>
954 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
957 2006-10-09 Steve Ellcey <sje@cup.hp.com>
960 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
961 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
962 * configure: Regenerate.
963 * config.in: Regenerate.
965 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
967 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
969 2006-10-08 Richard Sandiford <richard@codesourcery.com>
971 * config/mips/mips.c (mips_legitimize_tls_address): Implement
972 all TLS models in the same way as local exec if !TARGET_ABICALLS.
973 Remove stray newline.
975 2006-10-08 Richard Sandiford <richard@codesourcery.com>
977 * config/mips/mips.c (mips_classify_symbol): Do not return
978 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
979 (mips_in_small_data_p): Tweak comments.
981 2006-10-08 Richard Sandiford <richard@codesourcery.com>
983 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
985 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
987 * gimplify.c, sched-int.h: Fix comment typos.
989 * sched-int.h: Fix comment typos.
991 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
993 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
995 * sched-ebb.c (begin_schedule_ready): Use them.
996 * haifa-sched.c (schedule_insn, move_insn, try_ready,
997 add_to_speculative_block, create_check_block_twin, speculate_insn,
998 fix_jump_move, move_block_after_check): Ditto.
999 * sched-rgn.c (new_ready): Ditto.
1001 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1003 PR rtl-optimization/29128
1004 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1005 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1006 allow interblock movement of speculation checks.
1008 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1011 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1012 casted to integer type.
1013 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1014 if they are significantly more expensive than [reg + index] ones.
1016 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1018 PR tree-optimization/29330
1019 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1020 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1021 on newly allocated ddrs.
1022 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1023 to VEC (loop_p, heap) pointer.
1024 (compute_data_dependences_for_loop): Adjust caller.
1025 (free_dependence_relations): Free DDR_LOOP_NEST.
1027 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1028 free DEPENDENCE_RELATIONS and DATAREFS.
1031 * builtins.c (expand_builtin_sync_operation,
1032 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1033 Use convert_to_mode to handle promoted arguments.
1035 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1037 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1039 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1041 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1043 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1045 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1046 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1047 Use <modeconstraint> instead of "r" as operand 1 constraint.
1049 2006-10-06 Olivier Hainque <hainque@adacore.com>
1051 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1052 Don't recurse on the pointed-to type.
1053 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1054 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1055 types with components of variable size.
1057 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1059 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1061 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1063 PR tree-optimization/29290
1064 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1068 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1069 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1072 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1073 the number of vector elements fill the rest with zeros.
1075 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1077 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1078 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1081 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1083 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1084 unnamed pattern into subsi3. Use correct constraints/predicates.
1085 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1086 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1088 2006-10-05 Ira Rosen <irar@il.ibm.com>
1090 * doc/loop.texi: Add data references analysis description.
1092 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1094 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1096 2006-10-04 Richard Henderson <rth@redhat.com>
1097 Jakub Jelinek <jakub@redhat.com>
1099 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1100 * builtin-types.def (BT_WORD): Make unsigned.
1101 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1102 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1103 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1104 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1105 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1106 * cgraph.c (decide_is_variable_needed): Look at force_output.
1107 Recurse for emulated tls.
1108 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1109 checks redundant with decide_is_variable_needed.
1110 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1111 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1113 * expr.c (emutls_var_address): New.
1114 (expand_expr_real_1): Expand emulated tls.
1115 (expand_expr_addr_expr_1): Likewise.
1116 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1117 * output.h (emutls_finish): Declare.
1118 * toplev.c (compile_file): Call it.
1119 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1120 address before wrapping in CONST.
1121 * varasm.c (emutls_htab, emutls_object_type): New.
1122 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1123 (get_emutls_object_name, get_emutls_object_type): New.
1124 (get_emutls_init_templ_addr, emutls_decl): New.
1125 (emutls_common_1, emutls_finish): New.
1126 (assemble_variable): When emulating tls, swap decls; generate
1127 constructor for the emutls objects.
1128 (do_assemble_alias): When emulating tls, swap decl and target name.
1129 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1131 * emutls.c: New file.
1132 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1133 tls_object for real tls.
1135 2006-10-04 Zack Weinberg <zackw@panix.com>
1137 Fix bug in constraint-check generator, reported by Rask Ingemann
1139 * genpreds.c (add_constraint): Don't remove anything from the
1141 (write_tm_constrs_h): Detect whether "op" argument is used, and
1142 mark it ARG_UNUSED if it isn't.
1143 (write_insn_const_int_ok_for_constraint): Skip the part of the
1144 expression that would test whether "op" (which is not available
1145 here) is a CONST_INT.
1147 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1150 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1152 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1154 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1155 current Leopard versions.
1156 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1158 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1160 * doc/install.texi: Fix typos.
1162 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1164 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1165 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1166 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1168 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1170 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1171 arg to be struct mach_header_64* instead.
1173 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1176 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1177 side effects after the outer expression's post side effects.
1179 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1181 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1182 comments to reflect actual behavior and relationship between
1183 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1185 * doc/c-tree.texi (Working with declarations): Fix documentation
1186 of FIELD_DECL likewise.
1188 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1191 * doc/extend.texi: Add used variable attribute description.
1193 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1196 * c.opt (Woverride-init): New.
1197 * c-opts.c (c_common_post_options): Default warn_override_init to
1199 * c-typeck.c (add_pending_init, output_init_element): Warn for
1200 overriding initializers without side effects.
1201 * doc/invoke.texi (-Woverride-init): Document.
1204 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1206 PR rtl-optimization/28096
1207 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1208 assignment has already been used as a destination earlier in the block.
1210 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1212 * builtins.c (expand_builtin_setjmp): Delete.
1213 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1214 <BUILT_IN_SETJMP_SETUP>: New case.
1215 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1216 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1217 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1218 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1219 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1220 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1221 (lower_function_body): Initialize it to false. If it is set to true
1222 at the end of the processing, emit the setjmp dispatcher.
1223 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1224 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1225 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1226 on the rhs of the assignment.
1227 (lower_builtin_setjmp): New function.
1228 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1229 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1230 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1231 to detect calls that can go to non-local labels. Use specific
1232 helper to create the abnormal edges associated with them.
1233 <MODIFY_EXPR>: Likewise.
1234 (make_abnormal_goto_edges): New function extracted from...
1235 (make_goto_expr_edges): ...here. Call it for computed gotos.
1236 (simple_goto_p): Minor tweak.
1237 (tree_can_make_abnormal_goto): New predicate.
1238 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1239 (tree_purge_dead_abnormal_call_edges): New function.
1240 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1241 (tree_purge_dead_abnormal_call_edges): Likewise.
1242 (make_abnormal_goto_edges): Likewise.
1243 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1244 Purge all dead abnormal edges if the call was in the last statement.
1245 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1246 (execute_fixup_cfg): If there are non-local labels in the function,
1247 scan the basic blocks and split them at calls that can go to non-local
1248 labels or add missing abnormal call edges. Write down the CFG in the
1250 (pass_fixup_cfg): Remove TODO_dump_func flag.
1251 * unwind-sjlj.c: Poison setjmp.
1252 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1253 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1254 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1255 (DONT_USE_BUILTIN_SETJMP): Document it.
1257 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1260 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1261 to 1 when __ppc64__ is defined.
1262 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1264 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1266 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1268 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1269 * config/ia64/unwind-hpux.c: Delete.
1271 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1273 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1274 on the element before gimplifying it, instead of punting if it is of
1277 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1279 * doc/loop.texi: New file.
1280 * doc/gccint.texi: Reference loop.texi.
1281 * Makefile.in (loop.texi): Add.
1283 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1285 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1287 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1288 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1290 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1292 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1294 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1296 * doc/install.texi: Document required versions of GMP and MPFR.
1298 2006-09-27 Paul Brook <paul@codesourcery.com>
1301 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1303 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1305 * reload1.c (alter_reg): Require the alignment of the stack slot to
1306 be at least reg_max_ref_width bytes.
1307 (scan_paradoxical_subregs): Record the largest width in
1310 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1314 * tree-nested.c (struct nesting_info): Added static_chain_added.
1315 (convert_call_expr): Set static_chain_added when adding static
1316 chain. Handle OMP_PARALLEL and OMP_SECTION.
1318 2006-09-25 Matthias Klose <doko@debian.org>
1320 * doc/invoke.texi: Add missing full stop.
1322 2006-09-25 Richard Henderson <rth@redhat.com>
1324 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1325 before cgraph_function_flags_ready.
1327 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1328 Adam Nemet <anemet@caviumnetworks.com>
1330 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1331 determine_common_wider_type): New functions.
1332 (get_computation_aff): Use them to simplify arithmetic between
1333 UBASE and CBASE if they are shortened from the same type.
1335 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1338 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1339 -2147483647 - 1 instead of 0x80000000.
1341 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1343 * flags.h (HONOR_NANS): Fix typo in comment.
1345 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1347 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1349 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1353 * tree.c (merge_attributes, attribute_list_contained): If both
1354 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1356 * c-typeck.c (comptypes_internal): Don't consider aggregates
1357 in different TUs as compatible if there one set of attributes is
1358 not a subset of the other type's attributes.
1359 (composite_type): Try harder not to create a new aggregate type.
1361 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1363 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1364 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1365 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1366 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1367 than replicating condition above.
1368 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1370 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1371 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1372 the linker by default.
1374 2006-09-22 Mike Stump <mrs@apple.com>
1376 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1379 2006-09-22 Richard Guenther <rguenther@suse.de>
1382 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1383 sort of stack variables stable.
1385 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1388 * explow.c (force_reg): Set REG_POINTER flag according to
1391 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1393 PR tree-optimization/28888
1394 * tree-if-conv.c (combine_blocks): Rewritten.
1395 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1396 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1398 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1400 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1403 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1405 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1407 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1409 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1411 2006-09-21 Roger Sayle <roger@eyesopen.com>
1414 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1415 dw_fde_current_label, to be the start of the function, i.e. the same
1416 value as dw_fde_begin.
1418 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1420 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1421 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1422 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1423 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1424 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1425 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1426 (abs<mode>2, neg<mode>2): Likewise.
1427 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1428 (*mips_abs_ps): New define_insn.
1430 2006-09-20 Josh Conner <jconner@apple.com>
1433 * calls.c (expand_call): Allow reuse of structure return stack
1436 2006-09-20 Paul Brook <paul@codesourcery.com>
1438 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1441 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1443 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1444 clean up terminology.
1446 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1449 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1450 with tablejumps in them.
1452 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1455 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1456 wrap it into TARGET_EXPR.
1458 2006-09-20 Eric Christopher <echristo@apple.com>
1460 * config/i386/i386.c (x86_fisttp): Remove.
1461 * config/i386/i386.h (x86_fisttp): Ditto.
1462 (TARGET_FISTTP): Ditto.
1464 2006-09-19 Eric Christopher <echristo@apple.com>
1466 * doc/tm.texi (OBJC_JBLEN): Describe.
1467 * config/i386/darwin.h (OBJC_JBLEN): Define.
1468 * config/rs6000/darwin.h: Ditto.
1470 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1472 PR rtl-optimization/21299
1473 * reload1.c (reload): Purge invalid ASMs in the final pass.
1475 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1478 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1479 pointers as legitimate constants.
1481 2006-09-19 Paul Brook <paul@codesourcery.com>
1484 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1486 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1488 PR tree-optimization/28887
1489 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1490 component parts from the reference.
1491 (gather_memory_references_ref): Record the reference without the
1492 nonaddressable component parts.
1494 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1497 * c-opts.c (c_common_handle_option): Ignore the -std options
1498 if the input language is assembly.
1500 2006-09-17 Ira Rosen <irar@il.ibm.com>
1503 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1505 (ptr_ptr_may_alias_p): Likewise.
1506 (record_record_differ_p): New function.
1507 (base_object_differ_p): Call record_record_differ_p.
1509 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1512 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1513 away for the expr argument.
1515 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1518 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1519 before using it for dumping after vectorizing loops.
1521 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1522 Jack Howarth <howarth@bromo.med.uc.edu>
1525 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1526 skip on error_mark_node.
1527 (rs6000_darwin64_record_arg_recurse): Likewise.
1529 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1531 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1532 * doc/rtl.texi: Remove related documentation.
1534 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1536 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1539 2006-09-15 Jim Wilson <wilson@specifix.com>
1541 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1542 Handle symbol offsets same as they are handled in ia64_expand_move
1545 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1547 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1548 Add forgotten parameter to the fprintf call.
1550 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1552 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1554 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1556 * doc/contrib.texi: Add my entry.
1558 2006-09-15 Nick Clifton <nickc@redhat.com>
1560 * doc/md.texi (Processor pipeline description): Fix typo in
1561 example of how to use the absence_set directive and reword the
1562 description to make it slightly easier to read.
1564 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1566 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1567 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1568 expanding the number of iterations.
1569 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1571 * cfgrtl.c (emit_insn_at_entry): New function.
1572 * rtl.h (emit_insn_at_entry): Declare it.
1573 * integrate.c (emit_initial_value_sets): Use it.
1575 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1577 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1579 (struct loop_work and related VEC declarations): Delete.
1580 (bfin_dump_loops): Print out new member bad.
1581 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1582 (bfin_scan_loop): Don't recurse.
1583 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1584 loops. No longer need to update outer loops if the current one is
1585 found bad. Move some validitiy checks to bfin_discover_loop.
1586 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1587 but changed not to check for nesting. Also changed to use the new bad
1589 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1590 time. Use bitmap based test to discover loop nesting.
1592 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1594 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1597 2006-09-14 Richard Guenther <rguenther@suse.de>
1598 Kazu Hirata <kazu@codesourcery.com>
1600 PR middle-end/28884.
1601 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1602 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1603 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1604 with TARGET_FUNCTION_VALUE.
1606 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1609 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1611 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1613 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1616 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1619 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1622 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1624 * basic_block.h (bb_has_eh_pred): Fix comment.
1626 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1628 * flow.c (calculate_global_regs_live): Invalidate eh registers
1629 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1630 (propagate_block): Handle eh registers as if they were set at basic
1632 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1634 * global.c (global_conflicts): Make eh registers to conflict with
1635 pseudos live at basic block begin.
1636 * basic_block.h (bb_has_eh_pred): New function.
1638 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1640 PR rtl-optimization/28982
1641 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1642 index of a PRE_MODIFY or POST_MODIFY address.
1643 * reload1.c (inc_for_reload): Use find_replacement on the original
1644 base and index registers.
1646 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1648 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1649 for -Os. Update __m128 alignment requirement.
1651 2006-09-13 Jan Hubicka <jh@suse.cz>
1653 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1655 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1657 PR rtl-optimization/28243
1658 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1659 the insn to which the note was originally attached.
1661 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1662 Roger Sayle <roger@eyesopen.com>
1664 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1665 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1666 on platforms that don't use dwarf for debug info.
1668 2006-09-12 Jason Merrill <jason@redhat.com>
1671 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1672 hard_frame_pointer_rtx after using it to update the frame pointer.
1674 2006-09-12 Roger Sayle <roger@eyesopen.com>
1676 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1677 (TARGET_ASM_CLOSE_PAREN): Likewise.
1678 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1679 (TARGET_ASM_CLOSE_PAREN): Likewise.
1681 2006-09-12 Roger Sayle <roger@eyesopen.com>
1684 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1685 frame information for frames larger than 512 Kbytes on Tru64 when
1686 using the native assembler.
1688 2006-09-12 Roger Sayle <roger@eyesopen.com>
1692 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1693 and symbols. Instead use the implementation from cse.c's hash_rtx.
1695 2006-09-12 Jan Hubicka <jh@suse.cz>
1697 PR rtl-optimization/28071
1698 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1699 (vect_transform_loop): Likewise.
1700 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1701 (new_loop_vec_info): Likewise.
1702 (destroy_loop_vec_info): Likewise.
1703 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1704 (create_stmt_ann): Likewise.
1705 (create_tree_ann): Rename to ...
1706 (create_tree_common_ann): ... this one; allocate only the common part
1708 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1709 (get_value_handle): Likewise.
1710 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1711 get_tree_common_ann.
1712 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1713 (vinfo_for_stmt): Use stmt annotations.
1714 * tree-flow.h (tree_ann_common_t): New type.
1715 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1716 (tree_ann, get_tree_ann, create_tree_ann): New.
1717 * tree-flow-inline.h (get_function_ann): Do more type checking.
1718 (stmt_ann): Likewise.
1719 (tree_ann): Rename to ...
1720 (tree_common_ann): ... this one; return ony common_ann
1721 (get_tree_ann): Rename to ...
1722 (tree_common_ann): This one; return only common_ann.
1723 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1726 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1728 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1729 with_cpu by default.
1731 * dwarf2out.c (dwarf_file_data): New.
1732 (enum dw_val_class): Add dw_val_class_file.
1733 (struct dw_val_struct): Add val_file.
1734 (file_table): Change to a hash table.
1735 (file_table_emitted): Delete.
1736 (file_table_last_lookup_index): Delete.
1737 (emitcount): Delete.
1738 (last_emitted_file): New.
1739 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1740 (init_file_table): Delete.
1741 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1742 (AT_addr): Add comment.
1746 (print_die): Handle dw_val_class_file.
1747 (print_dwarf_line_table): Update for new file table structure.
1748 (attr_checksum): Do checksum a filename.
1749 (same_dw_val_p, same_attr_p): Do compare a filename.
1750 (size_of_die): Handle dw_val_class_file.
1751 (value_format): Likewise.
1752 (output_die): Likewise. Also, call maybe_emit_file here.
1753 (struct file_info): Constify filenames. Make file_idx a pointer
1754 to a struct dwarf_file_data.
1755 (struct dir_info): Constify directory names. Remove 'used' field.
1756 (struct file_name_acquire_data): New.
1757 (file_name_acquire): New.
1758 (output_file_names): Modify to handle new file data structures.
1759 (add_src_coords_attributes): Use add_AT_file.
1760 (add_call_src_coords_attributes): Likewise.
1761 (dwarf2out_imported_module_or_decl): Likewise.
1762 (gen_subprogram_die): Modify for new file data structures.
1763 (gen_variable_die): Likewise.
1764 (file_table_eq): New.
1765 (file_table_hash): New.
1766 (file_table_last_lookup): New.
1767 (lookup_filename): Rewrite to handle new file data structures.
1768 (maybe_emit_file): Rewrite to handle new file data structures.
1769 (dwarf2out_source_line): Always call lookup_filename and
1771 (dwarf2out_init): Create file_table here.
1772 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1773 (file_table_relative_p): New.
1774 (dwarf2out_finish): Change detection of relative filenames
1775 to work with new file data structures. Move output_line_info call
1776 after debug_info output.
1778 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1783 * config/i386/i386.c (override_options): Always default to 16
1784 byte stack boundary.
1786 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1789 * var-tracking.c (dump_dataflow_set): Start dumping at
1791 (clobber_variable_part): Kill only the variable part in
1792 registers holding it, leaving other variables alone.
1794 2006-09-11 Josh Triplett <josh@freedesktop.org>
1796 * doc/extend.texi (Other Builtins): Actually use the macro
1797 argument in the documentation example for
1798 __builtin_types_compatible_p.
1800 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1802 PR rtl-optimization/28726
1803 * sched-deps.c (sched_analyze_reg): New function extracted from...
1804 (sched_analyze_1): ...here. Call it to analyze references to
1805 registers. Treat again writes to a stack register as writing to the
1807 (sched_analyze_2): ...and here. Call it to analyze references to
1808 registers. Treat again reads of a stack register as reading the
1811 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1812 David Edelsohn <edelsohn@gnu.org>
1815 * config/rs6000/spe.md (frob_df_di): Remove %H.
1816 (frob_di_df): Remove %H. Change evmergelo to mr.
1817 (frob_di_df_2): Remove %H. Change evldd to two loads.
1819 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1821 * doc/cpp.texi: Fix names of charset options.
1823 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1826 * config/i386/i386.c (override_options): Use 128-bit
1827 stack boundary always for 64bits.
1829 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1831 PR rtl-optimization/28636
1832 * combine.c (force_to_mode): Test for side-effects before
1833 substituting by zero.
1834 (simplify_shift_const): Likewise for zero or other constants.
1836 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1839 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1842 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1845 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1846 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1847 returned by mode_for_size, rather than the mode of src itself,
1848 to choose between 32-bit and 64-bit patterns.
1849 (mips_mem_fits_mode_p): New function.
1850 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1851 that the size of the source matches the size of the destination.
1852 (mov_<store>l, mov_<store>r): Likewise.
1854 2006-09-10 Eric Christopher <echristo@apple.com>
1856 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1859 2006-09-09 Eric Christopher <echristo@apple.com>
1862 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1865 2006-09-09 Roger Sayle <roger@eyesopen.com>
1866 Nicolas Setton <setton@adacore.com>
1868 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1870 2006-09-10 Andreas Schwab <schwab@suse.de>
1872 * config/m68k/m68k.md (bungt_rev): New pattern.
1874 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1875 Dale Johannesen <dalej@apple.com>
1878 * regclass.c (struct reg_pref): Update documentation.
1879 (regclass): Set prefclass to NO_REGS if memory is the best option.
1880 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1882 2006-09-08 Eric Christopher <echristo@apple.com>
1884 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1885 * config/t-slibgcc-darwin: Support x86_64 multilib.
1886 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1887 Return 1 for x86_64-darwin.
1888 * config/i386/t-darwin: Add m64 multilib.
1889 (LIB2_SIDITI_CONV_FUNCS): Use.
1890 (LIB2FUNCS_EXTRA): Ditto.
1891 * config/i386/darwin.h: Support x86_64.
1892 * config/i386/i386.c (override_options): Turn on flag_pic
1893 for x86_64-darwin. Disable flag_omit_pointer.
1894 (get_pc_thunk_name): Assert !TARGET_64BIT.
1895 (legitimate_address_p): Disable machopic addressing for
1897 (legitimize_pic_address): Ditto.
1898 (ix86_expand_move): Ditto.
1899 (ix86_expand_call): Ditto.
1900 (machopic_output_stub): Ditto.
1901 * config/darwin.c (machopic_select_section): Support literal16.
1902 (machopic_select_rtx_section): Ditto.
1903 * config/darwin-sections.def: Ditto.
1904 * config/darwin-64.c: New.
1906 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1909 * c-tree.h (struct c_arg_info): Add pending_sizes.
1910 * c-parser.c (c_parser_parms_declarator,
1911 c_parser_parms_list_declarator): Initialize pending_sizes.
1912 * c-decl.c (get_parm_info): Initialize pending_sizes.
1913 (get_parm_info): Set pending_sizes.
1914 (grokdeclarator): Call put_pending_sizes for parameters for
1915 function definition only.
1917 2006-09-07 Jason Merrill <jason@redhat.com>
1920 * varasm.c (output_constant): Only strip actual no-op conversions.
1923 * config/i386/i386.c (override_options): Use 128-bit
1924 stack boundary if -msse.
1926 2006-09-07 Eric Christopher <echristo@apple.com>
1928 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1930 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1933 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1935 * dwarf2out.c: Remove strange characters from comment above
1936 dwarf2out_frame_debug_expr.
1938 2006-09-07 Eric Christopher <echristo@apple.com>
1940 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1941 * config/darwin.h: ... to here.
1943 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1945 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1947 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1948 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1950 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1951 TARGET_PARTIAL_FLAG_REG_STALL.
1952 (*ashldi3_cconly_rex64): Likewise.
1953 (*ashlsi3_cmp): Likewise.
1954 (*ashlsi3_cconly): Likewise.
1955 (*ashlsi3_cmp_zext): Likewise.
1956 (*ashlhi3_cmp): Likewise.
1957 (*ashlhi3_cconly): Likewise.
1958 (*ashlqi3_cmp): Likewise.
1959 (*ashlqi3_cconly): Likewise.
1960 (*ashrdi3_cmp_rex64): Likewise.
1961 (*ashrdi3_cconly_rex64): Likewise.
1962 (*ashrsi3_cmp): Likewise.
1963 (*ashrsi3_cconly): Likewise.
1964 (*ashrsi3_cmp_zext): Likewise.
1965 (*ashrhi3_cmp): Likewise.
1966 (*ashrhi3_cconly): Likewise.
1967 (*ashrqi3_cmp): Likewise.
1968 (*ashrqi3_cconly): Likewise.
1969 (*lshrdi3_cmp_rex64): Likewise.
1970 (*lshrdi3_cconly_rex64): Likewise.
1971 (*lshrsi3_cmp): Likewise.
1972 (*lshrsi3_cconly): Likewise.
1973 (*lshrsi3_cmp_zext): Likewise.
1974 (*lshrhi3_cmp): Likewise.
1975 (*lshrhi3_cconly): Likewise.
1976 (*lshrqi2_cmp): Likewise.
1977 (*lshrqi2_cconly): Likewise.
1979 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1982 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1983 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1984 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1985 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1986 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1987 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1988 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1989 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1990 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1991 implement only CC setting effects of shift instructions.
1993 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1995 * doc/contrib.texi: Add myself.
1997 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2000 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2001 was set by the user.
2003 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2006 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2007 (divsi_inv_m1): Use them.
2008 (UNSPEC_DIV_INV_TABLE): New constant.
2010 2006-09-06 James E Wilson <wilson@specifix.com>
2013 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2014 then call count_or_remove_death_notes.
2016 2006-09-06 Jason Merrill <jason@redhat.com>
2019 * tree-inline.c (copy_result_decl_to_var): New fn.
2020 (declare_return_variable): Use it. Call declare_inline_vars here.
2021 (expand_call_inline): Not here.
2023 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2025 * doc/contrib.texi: Update my entry.
2027 2006-09-06 Nick Clifton <nickc@redhat.com>
2029 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2031 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2034 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2035 (canonicalize_induction_variables): Likewise.
2036 (tree_unroll_loops_completely): Likewise.
2037 (tree_ssa_prefetch_arrays): Likewise.
2038 (remove_empty_loops): Likewise.
2039 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2040 TODO_cleanup_cfg instead of directly calling
2041 cleanup_tree_cfg_loop.
2042 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2044 (tree_unroll_loops_completely): Likewise.
2045 (remove_empty_loops): Likewise.
2046 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2047 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2048 of tree_ssa_unswitch_loops.
2049 (tree_ssa_loop_ivcanon): Use the return value of
2050 canonicalize_induction_variables.
2051 (tree_ssa_empty_loop): Use the return value of
2053 (tree_complete_unroll): Use the return value of
2054 tree_unroll_loops_completely.
2055 (tree_ssa_loop_prefetch): Use the return value of
2056 tree_ssa_prefetch_arrays.
2057 * passes.c (execute_todo): Before Cleanup CFG, set
2058 updating_used_alone and after cleanup CFG, call
2059 recalculate_used_alone.
2061 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2064 * tree-vect-transform.c (vectorizable_condition): Move the check
2065 for the type after the check for simple condition.
2067 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2068 Kaz Kojima <kkojima@gcc.gnu.org>
2071 * mode-switching.c (optimize_mode_switching): Make the destination
2072 block of an abnormal edge have no anticipatable mode. Don't
2073 insert mode switching code at the end of the source block of
2076 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2078 PR rtl-optimization/26847
2079 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2080 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2081 (simplify_plus_minus): Count n_constants while filling ops. Replace
2082 qsort with insertion sort. Before going through the array to simplify
2083 pairs, sort it. Delay early exit until after the first sort, exiting
2084 only if no swaps occurred. Simplify pairs in reversed order, without
2085 special-casing the first iteration. Pack ops after simplifying pairs.
2087 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2089 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2090 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2091 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2092 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2094 2006-09-05 Richard Guenther <rguenther@suse.de>
2096 PR tree-optimization/28900
2097 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2098 compound conditional before creating COND_EXPR condition.
2100 2006-09-05 Richard Guenther <rguenther@suse.de>
2102 PR tree-optimization/28905
2103 * tree-vrp.c (fix_equivalence_set): Manually implement
2104 !value_ranges_intersect_p to also handle symbolic ranges.
2106 2006-09-05 Richard Guenther <rguenther@suse.de>
2109 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2112 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2114 PR rtl-optimization/27616
2115 * cse.c (table_size): New static variable.
2116 (new_basic_block): Initialize it to 0.
2117 (remove_from_table): Decrement it.
2118 (insert): Increment it.
2119 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2120 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2121 fold_rtx_mem_1 if under the cap.
2122 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2123 the lookup of the equivalent expression and test for equality of the
2124 first operand of the equivalent expression before in turn looking up
2125 an equivalent constant for the second operand.
2127 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2130 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2131 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2132 pointer, instead of assuming it is possible to derive the
2133 correct args size from a call insn.
2135 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2138 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2139 (fold_builtin_mempcpy): Rename to...
2140 (fold_builtin_memory_op): ... this. Optimize one element copy
2142 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2144 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2145 (expand_builtin_memcpy, expand_builtin_mempcpy,
2146 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2147 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2148 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2149 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2151 2006-09-01 DJ Delorie <dj@redhat.com>
2153 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2154 (stzx_16): Likewise.
2155 ("stzx_24_<mode>"): Likewise.
2156 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2157 ("cmp<mode>_op"): New.
2158 (cmp<mode>): Change to expander; just save operands.
2160 (b<code>): Change to expander, emit compare here.
2161 (s<code>_op): Change to use split and expander.
2162 (s<code>_24_op): Likewise.
2163 (s<code>_<mode>): New.
2164 (s<code>_<mode>_24): New.
2165 (movqicc_<code>_<mode): New.
2166 (movhicc_<code>_<mode>): New.
2169 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2170 (m32c_pend_compare): New.
2171 (m32c_unpend_compare): New.
2172 (m32c_expand_scc): New.
2173 (m32c_expand_movcc): Emit the compare also.
2174 * config/m32c/predicates.md (mra_nopp_operand): New.
2176 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2177 Richard Guenther <rguenther@suse.de>
2178 Adam Nemet <anemet@caviumnetworks.com>
2181 * builtins.c (get_pointer_alignment): Handle more forms
2182 of base addresses that can be used to derive more precise
2183 information about alignment.
2185 2006-09-01 Jason Merrill <jason@redhat.com>
2188 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2191 * gimplify.c (voidify_wrapper_expr): Handle null type.
2193 2006-09-01 Josh Conner <jconner@apple.com>
2196 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2197 (execute_return_slot_opt): Use it.
2199 2006-08-31 Josh Conner <jconner@apple.com>
2202 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2203 returning aggregates.
2205 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2207 PR tree-optimization/28839
2208 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2209 blocks in that phi arguments appear.
2211 2006-08-31 Roger Sayle <roger@eyesopen.com>
2214 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2215 NULL, otherwise use an advance_loc4 to adjust relative to the
2217 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2218 (dwarf2out_switch_text_section): Reset the current label to avoid
2219 using advance_loc4 over section boundaries.
2221 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2224 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2225 r12 + SYMBOLIC_CONST.
2227 2006-08-30 Richard Guenther <rguenther@suse.de>
2229 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2231 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2233 PR rtl-optimization/27735
2234 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2235 Add new argument to keep track of whether an irreducible region
2236 was affected. All callers changed.
2237 (fix_irreducible_loops): Removed.
2238 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2239 flags were invalidated.
2241 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2243 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2244 instead of SF operands.
2245 (*fop_df_comm_sse): Likewise.
2246 (*fop_df_comm_i387): Likewise.
2247 (*fop_df_1_mixed): Likewise.
2248 (*fop_df_1_sse): Likewise.
2250 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2251 J"orn Rennecke <joern.rennecke@st.com>
2253 PR tree-optimization/17506
2254 * tree-ssa.c (warn_uninit): If warning about a location outside of
2255 the current function, note where the variable was declared.
2257 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2259 PR tree-optimization/28411
2260 * double-int.c (double_int_div): Use double_int_divmod.
2261 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2262 double_int_mod, double_int_smod, double_int_umod): New functions.
2263 * double-int.h (double_int_divmod, double_int_sdivmod,
2264 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2266 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2268 (get_computation_aff, get_computation_cost_at): Handle double_int
2269 return type of constant_multiple_of.
2271 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2274 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2275 an implicit conversion.
2277 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2279 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2281 2006-08-27 Roger Sayle <roger@eyesopen.com>
2283 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2286 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2288 * config/i386/crtfastmath.c: Fix a comment typo.
2290 2006-08-26 Roger Sayle <roger@eyesopen.com>
2292 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2293 temporary visit flags on CASE_LABEL_EXPRs.
2294 * c-common.c (match_case_to_enum): Add function comment. Avoid
2295 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2296 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2297 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2298 a constant, only warn if that constant value isn't handled.
2300 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2303 * input.h (restore_input_file_stack): Declare.
2304 (INPUT_FILE_STACK_BITS): Define.
2305 * toplev.c (fs_p, input_file_stack_history,
2306 input_file_stack_restored, restore_input_file_stack): New.
2307 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2308 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2309 (pop_srcloc): Don't free old state of stack.
2311 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2314 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2315 (PowerPC Type Attributes): New.
2317 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2319 * config/xtensa/xtensa.c (function_arg_boundary): New.
2320 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2322 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2323 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2325 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2328 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2331 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2333 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2334 (verify_local_live_at_start): Likewise.
2336 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2339 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2340 omp_add_variable): Treat sizes as variable whenever not
2343 2006-08-26 Richard Guenther <rguenther@suse.de>
2346 * fold-const.c (fold_binary): Fold temporary to correct
2347 type before constructing new comparison.
2349 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2352 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2353 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2355 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2358 * c-decl.c (start_function): Don't try to process prototype
2359 information from old declaration that isn't a function.
2361 2006-08-25 Jan Hubicka <jh@suse.cz>
2364 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2366 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2369 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2372 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2374 PR tree-optimization/16876
2375 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2376 exit if PARM doesn't match VALUE.
2378 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2380 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2381 literal_prefix directive.
2382 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2383 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2384 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2386 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2389 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2390 predicate to general_operand. Add 0->y and I->r alternatives.
2392 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2394 * doc/tm.texi: Fix a typo.
2395 * predict.c: Fix comment typos.
2397 2006-08-25 Nick Clifton <nickc@redhat.com>
2399 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2400 assertions of "cpu" and "machine".
2402 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2405 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2406 the access through a base which has an alias set of 0 cannot
2409 2006-08-24 Bill Wendling <wendling@apple.com>
2411 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2413 2006-08-24 Jan Hubicka <jh@suse.cz>
2415 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2417 2006-08-24 Jan Hubicka <jh@suse.cz>
2420 * cgraph.c: Fix comments.
2421 (cgraph_varpool_mark_needed_node): Mark only variables not already
2423 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2424 (cgraph_varpool_assembled_nodes_queue): New static variable.
2425 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2426 (cgraph_varpool_output_debug_info): New function.
2427 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2428 * Makefile.in: Add gt-cgraphunit.h
2430 2006-08-24 Jan Hubicka <jh@suse.cz>
2432 * predict.c (probability_reliable_p): New predicate.
2433 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2434 (predict_loops): Do not predict loop exit with less than 2%
2436 * basic-block.h (edge_probability_reliable_p,
2437 br_prob_note_reliable_p): Declare.
2438 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2439 prediction when static predictor is not reliable.
2440 * rs6000.c (output_cbranch): Likewise.
2442 2006-08-23 Stuart Hastings <stuart@apple.com>
2445 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2446 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2448 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2451 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2452 complex values, nor for generic vector values.
2454 2006-08-22 Richard Guenther <rguenther@suse.de>
2457 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2458 parameter. Convert arguments to arithmetic expression to the
2460 (analyze_scalar_evolution_1): Adjust caller.
2462 2006-08-22 Jan Hubicka <jh@suse.cz>
2464 Patch by Paolo Bonzini
2465 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2468 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2470 PR tree-optimization/28003
2471 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2472 before grouping aliases.
2474 2006-08-22 Roger Sayle <roger@eyesopen.com>
2476 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2477 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2479 2006-08-21 Jason Merrill <jason@redhat.com>
2482 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2483 wrapper. Loop to handle nested wrappers.
2484 (gimplify_bind_expr): Remove temp parameter.
2485 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2486 and STATEMENT_LIST on the rhs.
2487 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2488 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2489 (gimplify_target_expr): Remove special BIND_EXPR handling.
2491 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2493 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2496 2006-08-21 Olivier Hainque <hainque@adacore.com>
2498 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2499 Arrange for the temporary captures of components overlapping the lhs
2500 to happen before the lhs is possibly cleared.
2502 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2504 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2505 necessary places to pass the correct "number of registers" values
2508 2006-08-20 Jan Hubicka <jh@suse.cz>
2510 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2511 (create_name_tags): Instead of quadratic checking use hashtable.
2512 * bitmap.h: Include hashtab.h.
2513 (bitmap_hash): Declare.
2514 * bitmap.c (bitmap_hash): New function.
2516 2006-08-20 Jan Hubicka <jh@suse.cz>
2518 PR rtl-optimization/28071
2519 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2521 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2522 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2523 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2524 cgraph_decide_inlining_incrementally): Update use of
2525 cgraph_check_inline_limits.
2526 * cgraph.c (edge_hash, edge_eq): New function.
2527 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2528 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2529 cgraph_remove_node): Maintain call site hash.
2530 * cgraph.h (struct cgraph_node): Add call_site_hash.
2531 (cgraph_set_call_stmt): New function.
2533 2006-08-20 Jan Hubicka <jh@suse.cz>
2535 PR rtl-optimization/28071
2536 * reload1.c (reg_has_output_reload): Turn into regset.
2537 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2538 choose_reload_regs, emit_reload_insns): Update to new
2539 reg_has_output_reload.
2541 2006-08-20 Jan Hubicka <jh@suse.cz>
2544 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2545 function body sizes.
2546 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2548 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2551 * tree.c (handle_dll_attribute): Return early if not a
2552 var or function decl.
2554 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2557 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2558 alignment of SPE vector types.
2560 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2562 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2564 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2567 * cgraph.h (struct cgraph_node): Remove externally_visible
2569 * cgraphunit.c (process_function_and_variable_attributes): Set
2570 local.externally_visible rather than externally_visible.
2573 * c-common.c (handle_externally_visible_attribute): First look
2574 at TREE_CODE and only if it is function or var decl, check for
2575 non-public objects. Don't warn for DECL_EXTERNAL.
2576 * cgraphunit.c (process_function_and_variable_attributes): Warn
2577 if externally_visible attribute is used on non-public object.
2579 2006-08-17 Jan Hubicka <jh@suse.cz>
2581 PR tree-optimization/27865
2582 * reload1.c (forget_marked_reloads): New function.
2583 (forget_old_reloads_1): When data are passed, just mark the registers
2585 (reload_as_needed): Use the new mechanizm.
2587 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2590 * reload.h (reg_equiv_alt_mem_list): New declaration.
2591 * reload1.c (reg_equiv_alt_mem_list): New definition.
2592 (reload): Initialize it and release it.
2593 (delete_output_reload): Use it.
2594 * reload.c (push_reg_equiv_alt_mem): New function.
2595 (find_reloads_toplev): Call it.
2596 (find_reloads_address, find_reloads_address_1): Likewise.
2597 (find_reloads_subreg_address): Likewise.
2599 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2601 PR rtl-optimization/28489
2602 * sched-ebb.c (begin_schedule_ready): Create basic block
2604 (advance_target_bb): Skip empty blocks.
2605 * haifa-sched.c (bb_note): Make global.
2606 * sched-int.h (bb_note): Add prototype.
2608 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2610 PR tree-optimization/27865
2611 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2613 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2614 fold_used_pointer, pointer_used_p): New functions.
2615 (analyze_scalar_evolution_1): Use fold_used_pointer.
2616 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2617 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2620 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2623 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2624 or the INTEGER_CST. Fail on a CALL_EXPR.
2625 (fold_offsetof): Pass new argument to fold_offsetof_1.
2626 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2627 operand into an INDIRECT_REF.
2628 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2630 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2632 PR gcov/profile/26570
2633 * value-prof.c (static_values): Removed.
2634 (tree_find_values_to_profile): Do not set static_values.
2635 (find_values_to_profile): Do not free static_values.
2636 * profile.c (instrument_values): Do not free the values.
2637 (branch_prob): Free the values.
2639 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2641 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2643 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2646 * c-typeck.c (build_component_ref): Combine qualifiers of
2647 structure or union and field.
2649 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2651 PR rtl-optimization/28071
2652 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2653 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2654 * tree-into-ssa.c (struct dom_dfsnum): New.
2655 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2657 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2658 compute_global_livein.
2659 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2660 in phi nodes in the correct blocks.
2662 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2664 PR tree-optimization/28364
2665 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2667 (fold_affine_expr): New function.
2668 (may_eliminate_iv): Use fold_affine_expr.
2670 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2673 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2676 2006-08-16 Mike Stump <mrs@apple.com>
2678 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2679 * doc/cppopts.texi (-MD): Likewise.
2681 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2684 * c-common.c (handle_weak_attribute): Ignore and warn if
2685 not a FUNCTION_ or VAR_DECL.
2687 2006-07-15 Mike Stump <mrs@apple.com>
2690 * c-parser.c (c_parser_typeof_specifier): Don't use
2691 c_finish_expr_stmt, open code desired semantics instead.
2693 2006-08-15 Nick Clifton <nickc@redhat.com>
2695 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2696 fragment to tmake_file only if threads are enabled.
2697 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2698 * config/i386/t-gthr-win32: New file. ... here.
2700 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2703 * c-parser.c (c_parser_compound_statement_nostart): Reset
2704 parser->error after each statement.
2706 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2709 * omp-low.c (lower_omp_parallel): Convert t to
2710 receiver_decl's type.
2711 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2712 source before comparison.
2715 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2716 to itype in assignment to oldival2.
2718 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2722 * c-typeck.c (build_compound_expr): If the second expression
2723 is an error mark, then just return an error mark instead of
2724 creating a COMPOUND_EXPR.
2726 2006-07-14 Mike Stump <mrs@apple.com>
2728 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2730 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2732 * c-decl.c, var-tracking.c: Fix comment typos.
2734 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2736 PR rtl-optimization/28634
2737 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2738 for floating-point modes unless flag_unsafe_math_optimizations.
2740 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2741 Andrew Pinski <pinskia@physics.uc.edu>
2744 * tree.c (build_array_type): Unify array types with
2745 unspecified index_type.
2746 * c-decl.c (grokdeclarator): Make sure we do not modify a
2747 unified incomplete array type.
2748 * c-typeck.c (store_init_value): Create distinct type before
2749 filling in the index type in an initializer from a compound
2752 * c-decl.c (grokdeclarator): Remove code where we copy the
2755 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2757 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2758 into account for TODO_dump_cgraph.
2759 (TODO_update_ssa_no_phi): Likewise.
2760 (TODO_update_ssa_full_phi): Likewise.
2761 (TODO_update_ssa_only_virtuals): Likewise.
2762 (TODO_remove_unused_locals): Likewise.
2763 (TODO_set_props): Likewise.
2764 (TODO_update_stmt_usage): Likewise.
2766 2006-08-13 Dirk Mueller <dmueller@suse.de>
2768 * c-common.c (strict_aliasing_warning): Fix formatting.
2770 2006-08-13 Matthias Klose <doko@debian.org>
2772 * doc/invoke.texi: Fix spelling errors.
2774 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2776 PR rtl-optimization/23454
2777 * reorg.c (relax_delay_slots): Update comment.
2779 2006-08-11 Richard Guenther <rguenther@suse.de>
2782 * simplify-rtx.c (simplify_const_relational_operation):
2783 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2786 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2788 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2789 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2791 2006-08-10 Paul Brook <paul@codesourcery.com>
2793 * final.c (final_scan_insn): Clear current_insn_predicate before
2794 outputting inline asm.
2796 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2798 PR tree-optimization/26197
2799 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2800 get_ref_base_and_extent and overlap_subvar to add only relevant
2801 subvars as may-aliases.
2802 (add_may_alias_for_new_tag): New function, factored out of
2804 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2805 with additional argument.
2806 * tree-flow.h (new_type_alias): Takes additional argument.
2808 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2810 * gcov.c (no_data_file): New flag.
2811 (read_count_file): Set it if data file not present. Assume counts
2813 (output_lines): Don't name the data file, if there wasn't one.
2815 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2817 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2818 (rs6000_generate_compare): Tweak comments.
2819 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2821 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2823 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2824 (var_debug_decl): New function.
2825 (var_reg_set): Follow debug decl link. Add location even if
2826 reg is already known to hold some other variable.
2827 (var_mem_set): Follow debug decl link.
2828 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2829 decl link. Delete other known locations of the variable part
2831 (var_reg_delete, var_mem_delete): Delete other known locations
2832 of the variable part if requested.
2833 (same_variable_part_p): New function.
2834 (add_stores): Select MO_COPY when appropriate.
2835 (vt_initialize): Handle it.
2836 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2837 known locations for MO_SET and MO_CLOBBER.
2838 (find_variable_location_part): New function.
2839 (set_variable_part, delete_variable_part): Use it.
2840 (clobber_variable_part): New function.
2841 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2844 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2846 PR tree-optimization/26969
2847 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2848 with an empty list of PHIs.
2850 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2854 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2857 2006-08-06 Andreas Schwab <schwab@suse.de>
2859 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2860 string. Whitespace and comment fixup.
2862 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2865 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2869 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2872 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2874 2006-08-04 Jan Hubicka <jh@suse.cz>
2878 * reload.c (push_reload): Patch out the mismatching instruction;
2880 (find_reload): Bail out if the instruction was patched out.
2882 2006-08-04 Jan Hubicka <jh@suse.cz>
2884 PR tree-optimization/24888
2885 * tree-inline.c (expand_call_inline): Do not re-record variables.
2886 (declare_inline_vars): Add variable to unexpanded_var_list.
2888 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2889 Roger Sayle <roger@eyesopen.com>
2891 PR rtl-optimization/26244
2892 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2893 inner_const are negative or greater than or equal to the bitsize of
2894 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2895 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2896 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2897 CONST0_RTX (mode) when the new shift count is greater than or equal to
2898 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2901 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2903 * tree-cfg.c: Fix a comment typo.
2905 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2908 * varasm.c (output_constant): Give the front end another chance to
2909 expand constants, after stripping NOPs.
2911 2006-08-03 Jan Hubicka <jh@suse.cz>
2913 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2916 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2918 PR tree-optimization/27770
2919 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2920 declaration removed (moved to tree-flow.h).
2921 (vect_can_force_dr_alignment_p): Likewise.
2922 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2923 (moved from tree-vectorizer.h).
2924 (vect_can_force_dr_alignment_p): Likewise.
2925 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2926 from outside the vectorizer - in particular from cgraph stage.
2927 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2928 the alignment of global arrays when -fsection-anchors is enabled.
2929 * cgraphunit.c (cgraph_increase_alignment): New function.
2930 (cgraph_optimize): Call cgraph_increase_alignment.
2932 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2935 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2936 not reload a SPE symbol_ref into a lo_sum address.
2938 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2941 * dwarf2out.c (prune_unused_types_prune): Move call to
2942 prune_unused_types_update_strings to cover the parent DIE also.
2944 2006-08-02 Jan Hubicka <jh@suse.cz>
2946 PR gcov/profile/28480
2947 * tree-cfg.c (change_bb_for_stmt): New function.
2948 (tree_merge_blocks, tree_split_blocks): Use it.
2950 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2956 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2957 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2958 (cgraph_optimize): Likewise.
2960 2006-08-01 Stuart Hastings <stuart@apple.com>
2962 * rtl.h (UINTVAL) New.
2963 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2964 * testsuite/gcc.dg/20060801-1.c: New.
2966 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2969 * c-typeck.c (build_external_type): Mark used enum types.
2970 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2972 (gen_subprogram_die): Whitespace fix.
2974 2006-08-01 Jan Hubicka <jh@suse.cz>
2976 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2977 bitmap when not needed.
2978 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2981 2006-08-01 Dirk Mueller <dmueller@suse.de>
2983 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2985 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2987 * Makefile.in: Revert part of previous patch:
2988 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2991 2006-07-30 Eric Christopher <echristo@apple.com>
2994 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2995 (PowerPC Variable Attributes): New section.
2997 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2999 PR target/28126 (partial fix)
3000 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3002 2006-07-28 Jan Hubicka <jh@suse.cz>
3004 PR rtl-optimization/28071
3005 * cfgrtl.c (rtl_delete_block): Free regsets.
3006 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3008 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3010 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3011 and variables used in dependencies.
3013 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3015 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3016 %fs for -mcmodel=kernel.
3017 (stack_tls_protect_test_di): Likewise.
3019 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3021 * Makefile.in: Use mkinstalldirs.
3023 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3026 * opts-common.c (prune_options): Skip joined switches.
3028 2006-07-27 Jan Hubicka <jh@suse.cz>
3030 PR rtl-optimization/28071
3031 * cselib.c (cselib_process_insn): Don't remove useless values too
3032 often for very large hashtables.
3034 2006-07-27 Jan Hubicka <jh@suse.cz>
3036 PR rtl-optimization/28071
3037 * global.c (greg_obstack): New obstack.
3038 (allocate_bb_info): Use it.
3039 (free_bb_info): Likewise.
3040 (modify_reg_pav): Likewise.
3042 2006-07-27 Roger Sayle <roger@eyesopen.com>
3044 * builtins.c (fold_fixed_mathfn): When long and long long are the
3045 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3046 functions to their lceil*, lfloor*, lround* and lrint* forms.
3048 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3051 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3053 (rev_branch_insn): Likewise.
3055 2006-07-27 Jan Hubicka <jh@suse.cz>
3057 PR rtl-optimization/28071
3058 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3059 (reg_set_in_bb, max_reg_computed): New static variables.
3060 (regmove_optimize): Free the new array.
3061 (fixup_match_1): Update call of reg_is_remote_constant_p.
3063 2006-07-26 Jan Hubicka <jh@suse.cz>
3065 PR tree-optimization/27882
3066 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3068 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3070 (cgraph_analyze_compilation_unit): Likewise.
3071 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3072 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3073 (cgraph_early_inlinine): Make order garbage collected.
3074 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3076 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3078 * dbxout.c (output_types_sort): Add a comment.
3079 (output_used_types): Free the VEC.
3081 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3083 * function.c (reorder_fix_fragments): Delete.
3084 (reorder_blocks): Don't call it.
3085 (reorder_blocks_1): Put all subblocks under the origin block.
3087 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3089 PR rtl-optimization/27907
3090 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3093 2006-07-25 Roger Sayle <roger@eyesopen.com>
3096 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3097 bar(x) check that bar's result type can represent all the values of T.
3099 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3101 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3103 2006-07-25 Nick Clifton <nickc@redhat.com>
3105 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3106 size_lookup[] array.
3107 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3108 (ggc_pch_count_object): Likewise.
3109 (ggc_pch_alloc_object): Likewise.
3110 (ggc_pch_write_object): Likewise.
3111 (init_ggc): Do not attempt to initialize entries in the
3112 size_lookup[] array for objects whose size is greater than than
3113 the length of the array.
3115 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3117 * dbxout.c (output_used_types_helper): Push queued types
3119 (output_types_sort): New.
3120 (output_used_types): Collect used types on a VEC and sort them
3123 2006-07-24 Richard Guenther <rguenther@suse.de>
3126 * cgraph.c (cgraph_remove_node): Do not check if dumps
3128 * cgraphunit.c (cgraph_optimize): Likewise.
3130 2006-07-24 Jan Hubicka <jh@suse.cz>
3132 PR rtl-optimization/28071
3133 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3134 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3135 splitting before first stmt.
3137 2006-07-24 Jan Hubicka <jh@suse.cz>
3139 PR rtl-optimization/28071
3140 * ipa-inline.c (update_caller_keys): Remove edges that
3141 are no longer inline candidates.
3143 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3146 * dbxout.c (output_used_types_helper, output_used_types): New.
3147 (dbxout_symbol): Call output_used_types.
3149 2006-07-23 Jan Hubicka <jh@suse.cz>
3153 * cgraph.c (cgraph_varpool_nodes): Export.
3154 (decide_is_variable_needed): Ignored "used" attribute in
3155 unit-at-a-time mode.
3156 * cgraph.h (cgraph_varpool_nodes): Declare.
3157 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3158 unit-at-a-time mode.
3160 2006-07-23 Roger Sayle <roger@eyesopen.com>
3163 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3164 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3165 the __gthrw form of thr_keycreate.
3166 (__gthread_key_delete): Silence the unused argument warning.
3168 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3171 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3172 Cache the last found '\0' marker to avoid quadratic behavior.
3174 2006-07-23 Jan Hubicka <jh@suse.cz>
3176 * i386.md (subsi_3_zext): Fix output template.
3178 2006-07-21 Mike Stump <mrs@apple.com>
3180 * doc/invoke.texi (C++ Dialect Options): Note that
3181 -fvisibility-inlines-hidden doesn't affect explicitly
3182 instantiationed inline methods.
3184 2006-07-20 Roger Sayle <roger@eyesopen.com>
3186 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3187 if the target assembler is GNU binutils' gas.
3188 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3189 whether to pass GNU gas or native as command line options.
3191 2006-07-20 Jason Merrill <jason@redhat.com>
3193 * tree.c (remove_attribute): New fn.
3194 * tree.h: Declare it.
3196 2006-07-20 Paul Brook <paul@codesourcery.com>
3199 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3200 they are invalidated by this instruction.
3202 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3205 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3207 2006-07-20 Eric Christopher <echristo@apple.com>
3210 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3212 2006-07-19 Eric Christopher <echristo@apple.com>
3214 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3215 Rewrite dependencies for libgcc_s.1.dylib.
3217 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3219 * except.c (duplicate_eh_regions_1): Clear next_peer.
3221 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3223 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3224 -mlongcall does not guarantee all calls will be long.
3225 * doc/extend.texi (long_call/short_call): Document that longcall
3226 does not guarantee a long call will be used.
3227 (longcall/shortcall): Likewise.
3229 2006-07-18 Roger Sayle <roger@eyesopen.com>
3232 * expmed.c (expand_shift): Additionally check that the shift_cost
3233 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3234 before implementing a LSHIFT_EXPR as a sequence of additions.
3235 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3236 middle-end that DImode shifts need to be synthesized by expand.
3238 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3241 * tree-ssa-operands.c (access_can_touch_variable): Update
3243 Return true if ALIAS is .GLOBAL_VAR.
3245 2006-07-18 David Daney <ddaney@avtrex.com>
3247 * gcc.c (display_help): Fix typo in help text.
3249 2006-07-18 Olivier Hainque <hainque@adacore.com>
3251 * tree.h (categorize_ctor_elements): Adjust prototype and add
3252 descriptive comment, both in accordance with the interface change
3254 * varasm.c (constructor_static_from_elts_p): New function.
3255 Whether a constructor node is a valid static constant initializer
3256 if all its elements are.
3257 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3258 * output.h: Declare it.
3259 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3260 is a valid constant initializer instead of computing the number of
3261 non-constant elements. Use constructor_static_from_elts_p for this
3262 purpose. Replace the head comment with an indication that this is a
3263 helper for categorize_ctor_elements.
3264 (categorize_ctor_elements): Same interface change as for the _1
3265 helper. Former head comment from this helper moved here, adjusted to
3266 account for the interface changes.
3267 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3268 (all_zeros_p): Likewise.
3269 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3270 static versions of the constructor from the categorize_ctor_elements
3271 return value instead of the formerly computed number of non-constant
3274 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3276 * configure: Regenerate.
3277 * Makefile.in (build_libsubdir): New configure substitution
3278 (build_libobjdir): New variable.
3279 (BUILD_LIBIBERTY): Use it.
3281 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3284 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3286 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3289 * c-common.c (handle_weakref_attribute): Ignore attribute in
3290 the same conditions the alias attribute is ignored.
3292 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3294 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3295 (dbxout_begin_prologue): Increment scope_labelno.
3297 2006-07-17 Richard Henderson <rth@redhat.com>
3300 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3303 2006-07-17 Roger Sayle <roger@eyesopen.com>
3304 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3306 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3307 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3308 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3309 functions such as sbrk, write, etc.. Add function prototypes.
3310 Convert function declarations from K&R to ISO C. Cast pointers
3311 to "long" and "unsigned long" instead of "int" and "unsigned int".
3312 Convert tokens following #endif into comments.
3314 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3316 * invoke.texi: Remove mention of f77; Reformat table for
3317 inline parameter options correctly; mention that -malign-double
3318 is default on x86-64 targets.
3320 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3322 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3323 (convert_affine_scev, chrec_convert_aggressive): Use
3324 avoid_arithmetics_in_type_p. Do not check for the subtypes
3327 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3330 * optabs.c (expand_doubleword_shift): Wrap the call to
3331 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3333 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3336 * optabs.c (expand_binop): Pass next_methods rather than methods
3337 to expand_doubleword_shift.
3339 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3342 * tree.h (dump_addr): Declare.
3343 * print-tree.c (dump_addr): New function.
3344 (print_node_brief, print_node): Use it.
3345 * print-rtl.c (print_rtx): Likewise.
3346 * common.opt (-fdump-noaddr): New option.
3347 * doc/invoke.texi (-fdump-noaddr): Document.
3348 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3349 (ve_info_hash): Likewise.
3351 2006-07-13 Andrew Haley <aph@redhat.com>
3353 PR tree-optimization/19505
3354 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3355 edge leaving this block, make sure that the destination of this
3356 block has only one predecessor.
3358 2006-07-17 Richard Guenther <rguenther@suse.de>
3360 PR tree-optimization/28238
3361 * tree-inline.c (copy_bb): Check if we produced valid
3362 gimple copying and substituting a stmt. If not, gimplify
3365 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3367 * optabs.c (maybe_encapsulate_block): New function extracted from...
3368 (emit_libcall_block): ...here. Invoke it on the block of insns to
3369 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3370 (emit_no_conflict_block): Likewise.
3372 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3374 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3376 2006-07-15 Roger Sayle <roger@eyesopen.com>
3378 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3379 a new NOP_EXPR case of the switch statement.
3381 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3384 * stor-layout.c (place_field): Take the bit field with
3385 an excessive size into account in the ms-bitfiled case.
3388 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3389 the previous bit field.
3391 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3394 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3396 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3398 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3399 signal frames correctly even when the signal was installed with
3402 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3404 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3405 (dbxout_function_end): Use local label LFBB. Remove hook
3407 (dbxout_source_line): Use local label LFBB.
3408 (dbxout_block): Likewise.
3409 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3410 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3411 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3412 and DBX_OUTPUT_NFUN.
3414 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3416 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3418 2006-07-13 Jan Hubicka <jh@suse.cz>
3420 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3422 * output.h (align_variable): Declare.
3423 * varasm.c (align_variable): Export.
3424 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3425 when basic block changed.
3427 2006-07-13 Nick Clifton <nickc@redhat.com>
3429 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3430 walking the LOG_LINKS chain.
3432 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3434 * doc/invoke.texi (C++ Dialect Options): Explain difference
3435 between -fvisibility-inlines-hidden and setting hidden
3436 visibility explicitly.
3438 2006-07-12 Eric Christopher <echristo@apple.com>
3440 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3441 (stmp-lipo): Depend on libgcc.a.
3443 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3445 * tree.c: Fix a comment typo.
3447 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3449 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3451 (umulhisi3_r): Likewise.
3453 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3456 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3457 x < 19, vs wchar_t support.
3459 2006-07-12 Nick Clifton <nickc@redhat.com>
3461 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3462 instead of -isa=sh4.
3464 2006-07-12 Mike Stump <mrs@apple.com>
3466 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3468 2006-07-10 Eric Christopher <echristo@apple.com>
3470 * config/t-slibgcc-darwin: Rewrite.
3472 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3475 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3478 2006-07-08 Matthias Klose <doko@debian.org>
3480 * doc/sourcebuild.texi: Fix typo.
3482 2006-07-07 Mike Stump <mrs@apple.com>
3484 * toplev.c (process_options): Don't give -ffunction-sections may
3485 affect debugging warning for Mach-O.
3487 2006-07-07 James E Wilson <wilson@specifix.com>
3489 * config/mips/mips.md (cpu): Add sb1a.
3490 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3491 addition to sb1. Adjust comments to clarify SB-1A differences from
3493 (ir_sb1a_load): New. Modify bypasses to use it.
3494 (ir_sb1a_simple_alu): Likewise.
3495 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3496 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3497 (mips_issue_rate): Add PROCESSOR_SB1A.
3498 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3499 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3500 (TARGET_SB1): Add PROCESSOR_SB1A check.
3501 (TUNE_SB1): Likewise.
3503 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3504 * config/mips/mips.c (mips_store_data_bypass_p): New.
3505 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3506 store_data_bypass_p.
3508 2006-07-08 Paul Brook <paul@codesourcery.com>
3511 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3513 2006-07-07 Richard Guenther <rguenther@suse.de>
3516 * tree.h (build_one_cst): Declare.
3517 * tree.c (build_one_cst): New function.
3518 * tree-ssa-math-opts.c (get_constant_one): Remove.
3519 (insert_reciprocals): Use build_one_cst.
3520 * fold-const.c (fold_plusminus_mult): Likewise.
3522 2006-07-07 Roger Sayle <roger@eyesopen.com>
3524 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3525 * cfgloopanal.c (dump_graph): Likewise.
3526 * dojump.c (discard_pending_stack_adjust): Likewise.
3527 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3529 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3530 * function.c (finalize_block_changes): Likewise.
3531 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3532 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3533 * rtl.c (dump_rtx_statistics): Likewise.
3534 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3536 * varray.c (dump_varray_statistics): Likewise.
3537 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3538 decode_decimal64, encode_decimal128, decode_decimal128,
3539 decimal_real_to_decimal): Likewise.
3541 2006-07-07 Richard Guenther <rguenther@suse.de>
3543 PR tree-optimization/28187
3544 * tree-vrp.c (vrp_operand_equal_p): New function.
3545 (vrp_bitmap_equal_p): Likewise.
3546 (update_value_range): Use them to compare old and new
3549 2006-07-06 Roger Sayle <roger@eyesopen.com>
3551 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3552 a default case to switch statement to silence compiler warnings.
3554 2006-07-06 Roger Sayle <roger@eyesopen.com>
3557 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3558 the configured assembler supports the x87's ffreep mnemonic.
3559 * configure: Regenerate.
3560 * config.in: Regenerate.
3562 * config/i386/i386.c (output_387_ffreep): New function.
3563 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3564 (output_387_reg_move): Likewise.
3566 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3568 Port to hosts whose 'sort' and 'tail' implementations
3569 treat operands with leading '+' as file names, as POSIX
3570 has required since 2001. However, make sure the code still
3571 works on pre-POSIX hosts.
3572 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3573 which says you should use "tail -c +N" rather than "tail +Nc".
3574 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3576 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3578 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3581 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3584 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3585 PRE_{INC,DEC} of TFmode.
3587 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3588 Alan Modra <amodra@bigpond.net.au>
3591 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3594 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3597 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3598 Remove duplicate gtu.
3600 2006-07-05 Jason Merrill <jason@redhat.com>
3604 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3605 * c-common.c (handle_packed_attribute): So don't copy it here.
3606 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3608 2006-07-05 Mike Stump <mrs@apple.com>
3610 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3612 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3615 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3617 2006-07-05 Richard Guenther <rguenther@suse.de>
3620 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3621 TARGET_SSE2 targets if using SSE math.
3622 (*absdf2_1): Likewise.
3624 2006-07-05 Richard Guenther <rguenther@suse.de>
3626 PR tree-optimization/28162
3627 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3628 make sure to convert the operands to the correct type.
3630 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3632 PR tree-optimization/28218
3634 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3635 to calculate and free the dominator information.
3637 2006-07-04 Peter O'Gorman <peter@pogma.com>
3639 * mklibgcc.in: chmod 644 before ranlib during install.
3641 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3642 J"orn Rennecke <joern.rennecke@st.com>
3644 * configure.ac (.eh_frame data check): Use diff -b.
3646 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3649 * Makefile.in (BUILD_RTL): Add build/vec.o.
3650 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3651 (build/genextract): Delete.
3652 (build/genautomata): Likewise.
3654 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3657 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3658 128-bit IBM long doubles for ABI_V4.
3660 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3662 * tree.c (range_in_array_bounds_p): New predicate.
3663 * tree.h (range_in_array_bounds_p): Declare it.
3664 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3665 return a less conservative answer.
3666 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3667 and flag 'is_group'.
3668 (IS_ELEMENT_FOR_GROUP): New macro.
3669 (FOR_EACH_ACTUAL_CHILD): Likewise.
3670 (next_child_for_group): New helper function.
3671 (can_completely_scalarize_p): Take into account groups.
3672 (sra_hash_tree): Handle RANGE_EXPR.
3673 (sra_elt_eq): Likewise.
3674 (lookup_element): Be prepared for handling groups.
3675 (is_valid_const_index): Delete.
3676 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3677 instead of is_valid_const_index.
3678 <ARRAY_RANGE_REF>: New case.
3679 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3680 is_valid_const_index.
3681 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3682 (scan_dump): Dump info for groups too.
3683 (decide_instantiation_1): Likewise.
3684 (decide_block_copy): Assert that the element is not a group.
3685 Propagate decision to groups.
3686 (generate_one_element_ref): Handle RANGE_EXPR.
3687 (mark_no_warning): Iterate over actual childs.
3688 (generate_copy_inout): Likewise.
3689 (generate_element_copy): Likewise.
3690 (generate_element_zero): Likewise.
3691 (generate_element_init_1): Likewise.
3692 (dump_sra_elt_name): Handle RANGE_EXPR.
3694 2006-07-03 Roger Sayle <roger@eyesopen.com>
3696 PR tree-optimization/26251
3697 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3698 (thread_block): When optimizing for size refuse to thread jumps
3699 that would require duplication of blocks other than redirection
3702 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3704 * configure.ac: Fix thinko in previous check-in.
3705 * configure: Regenerate.
3707 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3710 * configure.ac (for lang...): Simplify nesting of conditionals.
3711 Test subdir_requires for non-enabled languages. Move processing
3712 of lang_opt_files and lang_tree_fiels below that test.
3713 * configure: Regenerate.
3714 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3716 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3718 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3720 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3722 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3725 2006-06-29 Jason Merrill <jason@redhat.com>
3732 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3733 * c-common.c (c_determine_visibility): Handle it here.
3734 * c-decl.c (finish_decl): Call c_determine_visibility for
3736 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3738 * varasm.c (default_assemble_visibility): Likewise.
3739 * c-common.c (handle_visibility_attribute): Complain about trying
3740 to give visibility to an already defined class, or trying to change
3741 declared visibility. Always attach the attribute.
3746 * attribs.c (decl_attributes): Ignore type-in-place attributes
3747 once the type has been defined.
3749 2006-06-29 Roger Sayle <roger@eyesopen.com>
3752 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3753 to indicate the cpplib has issued an error message for us.
3755 2006-06-29 Asher Langton <langton2@llnl.gov>
3758 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3759 insert a label at the end of an function under Mach-O.
3761 2006-06-29 Eric Christopher <echristo@apple.com>
3762 Evan Cheng <evan.cheng@apple.com>
3764 * predicates.md (vector_all_ones_operand): New.
3765 (nonimmediate_or_sse_const_operand): Ditto.
3766 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3767 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3768 (standard_sse_mode_p): Ditto.
3769 (standard_sse_constant_p): Add case for -1 vector.
3770 (ix86_expand_vector_move): Try to use.
3771 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3772 Call standard_sse_constant_opcode.
3773 (*movv4sf_internal): Ditto.
3774 (*movv2df_internal): Ditto.
3776 2006-06-29 Roger Sayle <roger@eyesopen.com>
3778 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3779 of XEXP to extract the operands of a MATCH_CODE rtx.
3781 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3783 * tree.c (tree_size): Do not waste tail padding in
3784 struct tree_string and make the size be the same as
3785 build_string will generate.
3787 2006-06-28 Jason Merrill <jason@redhat.com>
3790 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3791 may_aliases already in the tag's annotations to the bitmap.
3793 2006-06-28 Roger Sayle <roger@eyesopen.com>
3795 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3797 2006-06-28 Roger Sayle <roger@eyesopen.com>
3799 * genpreds.c (generate_switch_p): New function.
3800 (add_mode_tests): Push the new mode test down inside an AND expr
3801 if this allows the switch-suitable MATCH_CODE to be near the root.
3802 (write_match_code_switch): New function to write a MATCH_CODE as
3804 (write_predicate_stmts): New function to write a predicate RTX
3805 expression as a sequence of statements.
3806 (write_one_predicate_function): Use write_predicate_stmts.
3807 (write_tm_constrs_h): Likewise.
3809 2006-06-26 Fred Fish <fnf@specifix.com>
3811 * config/mips/t-sb1: New file.
3812 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3815 2006-06-26 DJ Delorie <dj@redhat.com>
3817 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3819 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3820 Jayant Sonar <jayants@kpitcummins.com>
3821 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3823 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3824 (subsi3, subsi3_1, subsi3_2): New.
3825 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3826 * config/m32c/mov.md (SI mov peephole): New.
3827 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3828 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3830 2006-06-26 Olivier Hainque <hainque@adacore.com>
3832 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3833 a CALL_EXPR target function declaration.
3835 2006-06-26 Richard Guenther <rguenther@suse.de>
3837 * tree.c (build_string): Do not waste tail padding in
3840 2006-06-26 Richard Guenther <rguenther@suse.de>
3842 * ggc-page.c (init_ggc): Add missing element to size_lookup
3846 2006-06-23 Richard Guenther <rguenther@suse.de>
3848 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3849 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3850 alignment requests instead. Add verification code.
3851 Add struct tree_function_decl and struct tree_binfo size to
3852 extra_order_size_table. Add missing element to size_lookup
3855 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3858 * fold-const.c (const_binop): Be prepared for self returning zero.
3859 Simplify code handling complex values.
3861 2006-06-24 Olivier Hainque <hainque@adacore.com>
3863 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3864 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3867 2006-06-24 Olivier Hainque <hainque@adacore.com>
3869 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3870 ARRAY_REF, so have the callback called for the low bound expression.
3872 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3874 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3875 * c-typeck.c (c_common_type): Disallow operations on decimal float
3876 types and other float types.
3877 * convert.c (convert_to_real): Don't ignore conversions involving
3878 decimal float types.
3880 2006-06-23 Olivier Hainque <hainque@adacore.com>
3882 * tree.c (max_int_size_in_bytes): New function, inspired from
3883 code in function.c:assign_temp.
3884 * tree.h (max_int_size_in_bytes): Declare.
3885 * function.c (assign_temp): Use it.
3886 * gimplify.c (create_tmp_var): Relax the assertions on the type
3887 properties, not mandating constant size any more.
3888 (force_constant_size): New static function.
3889 (gimple_add_tmp_var): Use it, forcing variable size to a
3890 constant upper bound if it is not constant on entry.
3892 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3895 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3896 for initialization and setting of one_only flag to ...
3897 (i386_pe_encode_section_info): ...here.
3898 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3899 Recheck that the symbol has not been defined.
3901 2006-06-23 Richard Guenther <rguenther@suse.de>
3903 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3904 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3905 alignment requests instead. Add verification code.
3906 Add struct tree_function_decl and struct tree_binfo size to
3907 extra_order_size_table. Add missing element to size_lookup
3910 2006-06-22 Roger Sayle <roger@eyesopen.com>
3911 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3914 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3915 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3917 2006-06-23 Ben Elliston <bje@au.ibm.com>
3919 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3920 negate dn -- manipulate it directly.
3922 2006-06-22 Roger Sayle <roger@eyesopen.com>
3923 Steven Bosscher <stevenb.gcc@gmail.com>
3926 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3927 generated by gen_move_insn to add REG_LABEL notes if necessary.
3929 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3931 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3932 (leaf_entry): Remove use of MIN_ESA.
3934 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3936 PR rtl-optimization/28121
3937 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3940 2006-06-21 DJ Delorie <dj@redhat.com>
3942 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3944 (mulhisi3_r): Likewise.
3946 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3949 * coverage.c (coverage_counter_alloc): Leave the index type
3951 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3954 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3956 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3957 section from the "Options for Code Generation Conventions".
3959 2006-06-21 Richard Henderson <rth@redhat.com>
3963 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3965 (global_symbolic_operand): Allow weak symbols, even if local_p.
3967 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3969 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3970 (find_interesting_uses_address): Punt if above function returns true.
3972 2006-06-21 Richard Guenther <rguenther@suse.de>
3974 * configure: Regenerated.
3976 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3978 * config/mips/mips.c (function_arg): Where one part of a
3979 complex argument is in registers and the other part in the stack,
3980 return a REG not a PARALLEL.
3982 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3984 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3985 when cross-compiling. Do not substitute libstdcxx_incdir.
3986 * configure: Regenerated.
3988 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3990 * varasm.c (mergeable_string_section): Check for embedded NULs and
3991 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3992 rather than TREE_STRING_LENGTH bytes.
3994 2006-06-21 Richard Guenther <rguenther@suse.de>
3996 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3997 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4000 2006-06-21 Richrad Guenther <rguenther@suse.de>
4002 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4003 Limit iteration over the dominators.
4005 2006-06-20 Roger Sayle <roger@eyesopen.com>
4007 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4008 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4010 2006-06-20 Richard Guenther <rguenther@suse.de>
4011 Michael Matz <matz@suse.de>
4013 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4015 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4016 * et-forest.h (et_free_pools): Prototype new function.
4017 * et-forest.c (et_free_tree_force): Free parent occurrence.
4018 (et_free_pools): New function.
4019 * dominance.c (free_dominance_info): Free et-forest alloc
4022 2006-06-20 Roger Sayle <roger@eyesopen.com>
4024 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4025 integer modes, attempt to directly construct an integer constant.
4027 * fold-const.c (native_encode_vector): Determine the size of each
4028 element from the vector type instead of the first vector element.
4030 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4031 if all of its elements/components are constant.
4032 (build_constructor_from_list): Likewise.
4034 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4036 PR tree-optimization/27331
4037 * tree-data-ref.c (free_data_ref): New function.
4038 (create_data_ref): Fail if the data reference has unknown access
4040 (free_data_refs): Use free_data_ref.
4042 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4045 * tree-inline.c (setup_one_parameter): Strip useless
4046 type conversion before adding it to the IR.
4047 (declare_return_variable): Likewise.
4049 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4052 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4054 2006-06-19 Mike Stump <mrs@apple.com>
4056 * tree.c (variably_modified_type_p): VM arguments don't make the
4059 2006-06-19 Richard Guenther <rguenther@suse.de>
4061 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4062 type conversions after folding.
4064 2006-06-19 Richard Guenther <rguenther@suse.de>
4066 * ggc-page.c (extra_order_size_tab): Add entries with
4067 size of struct function and basic_block.
4068 (size_lookup): Extend to cover sizes up to 511.
4069 (ggc_alloc_stat): Adjust user.
4070 (ggc_pch_count_object): Likewise.
4071 (ggc_pch_alloc_object): Likewise.
4072 (ggc_pch_write_object): Likewise.
4074 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4076 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4077 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4080 2006-06-19 Denis Chertykov <denisc@overta.ru>
4082 * config/avr/libgcc.S : Correct my wrong previous commit.
4084 2006-06-19 Roger Sayle <roger@eyesopen.com>
4087 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4088 have stripped a SUBREG from the shift count, so we may need to
4089 convert_to_mode back to the type's mode before calling make_tree.
4090 Use new_amount instead of amount to avoid expanding a tree twice.
4092 2006-06-19 Richard Guenther <rguenther@suse.de>
4095 * fold-const.c (operand_equal_p): Check if the argument types
4096 have the same precision before stripping NOPs.
4098 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4100 Fix PR tree-optimization/27341
4101 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4103 * tree-complex.c (pass_lower_complex): Update SMT usage.
4105 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4107 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4108 Add a new alternative to the constraint strings. Add move of
4109 operand 1 to 3 to the splitter definition.
4110 ("doloop_si_long"): Second contraint alternative removed.
4112 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4114 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4115 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4117 (AVR_HAVE_MOVW) Define.
4118 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4119 (ASM_SPEC): Add avr25.
4120 (LINK_SPEC): Add avr25.
4121 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4122 (base_arch_s): Add new member 'have_movw_lpmx'.
4123 (avr_arch_types): Init 'have_movw_lpmx'.
4124 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4125 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4126 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4127 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4128 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4130 (avr_file_start): Do not output '.arh' derective.
4131 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4132 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4133 * config/avr/avr.md (mcu_enhanced): Delete.
4134 (mcu_have_movw): Define.
4135 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4136 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4137 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4138 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4139 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4140 attiny861 and at86rf401 devices.
4142 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4144 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4147 2006-06-17 Karl Berry <karl@gnu.org>
4149 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4150 doc/gccint.texi, doc/install.texi (@dircategory): Use
4151 "Software development" instead of "Programming", following
4152 the Free Software Directory.
4154 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4156 * config/i386/i386.c (legitimate_tls_address)
4157 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4158 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4159 (*tls_dynamic_gnu2_combine_64): Likewise.
4161 2006-06-16 Richard Guenther <rguenther@suse.de>
4164 * fold-const.c (negate_expr_p): Do not introduce undefined
4165 overflow in negating INTEGER_CSTs.
4166 (fold_negate_expr): Rename from negate_expr. Revert last
4167 change for folding BIT_NOT_EXPR. Change semantics to
4168 return NULL_TREE for non-simplified negations. Do not
4169 strip type conversions and unify type handling.
4170 (negate_expr): New function, wrap around fold_negate_expr
4171 but ensure building a tree always. Strip type conversions
4172 here, fold to result type.
4173 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4175 2006-06-16 Roger Sayle <roger@eyesopen.com>
4178 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4179 that (would) return their results in stack registers.
4181 2006-06-16 Michael Matz <matz@suse.de>
4182 Richard Guenther <rguenther@suse.de>
4184 * fold-const.c (fold_truthop): Only return new tree node if
4185 we canonicalized something.
4187 2006-06-16 Richard Guenther <rguenther@suse.de>
4189 * function.h (enum function_frequency): Move declaration
4190 out of struct function.
4191 (struct function): Move bool fields and the enum to the bitfield
4192 section. Reorder elements to avoid padding. Remove unused
4193 fields left over from the RTL inliner removal.
4194 * function.c (free_after_compilation): Do not zero removed fields.
4195 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4196 (ipa-type-escape.o): Likewise.
4198 2006-06-16 Richard Guenther <rguenther@suse.de>
4200 * cgraph.h (struct cgraph_local_info): Turn bool elements
4202 (struct cgraph_node): Likewise.
4203 (struct cgraph_varpool_node): Likewise.
4205 2006-06-15 Richard Guenther <rguenther@suse.de>
4207 * fold-const.c (fold_truth_not_expr): Rename from
4208 invert_truthvalue. Give it fold_* semantics to avoid
4210 (invert_truthvalue): New function. Wrapper around
4211 fold_truth_not_expr.
4212 (optimize_minmax_comparison): Avoid creating garbage.
4213 (fold_unary): Use fold_truth_not_expr for folding
4215 (fold_ternary): Replace uses of invert_truthvalue with
4216 fold_truth_not_expr where applicable.
4217 * tree.h (fold_truth_not_expr): Prototype.
4219 2006-06-16 Richard Guenther <rguenther@suse.de>
4221 PR tree-optimization/27781
4222 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4223 * ipa-pure-const.c (target.h): Include.
4224 (analyze_function): Do not analyze functions that do not
4227 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4230 * tree-dfa.c (referenced_vars_dup_list): Remove.
4231 (find_referenced_vars): Remove assert.
4232 (referenced_var_check_and_insert): Replace dup list with assert.
4233 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4234 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4236 2006-06-15 Richard Guenther <rguenther@suse.de>
4238 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4239 extra unused identifiers if not dumping.
4240 (create_variable_info_for): Likewise.
4242 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4244 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4245 (derive_constant_upper_bound): Derive more precise upper bound in
4246 common cases. Return type changed to double_int.
4247 (record_estimate): Reflect the changed return type of
4248 derive_constant_upper_bound.
4249 * double-int.c (double_int_zext, double_int_sext): Fix.
4251 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4253 * configure.ac (CFLAGS): Get them from the toplevel or from the
4254 configure invocation.
4255 * configure: Regenerate.
4256 * Makefile.in (CFLAGS): Substitute value provided by configure.
4258 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4261 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4262 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4263 rather than calling add_stmt on it.
4264 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4266 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4269 * reload1.c (reload): Remove registers returned by update_eliminables
4270 from used_spill_regs.
4272 2006-06-13 DJ Delorie <dj@redhat.com>
4274 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4276 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4278 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4279 html__strip_dir, html__mkdir_p. Enhance install-html target.
4280 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4281 * configure: Regenerate.
4283 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4285 * fold-const.c (fold_cond_expr_with_comparison): Check for
4286 Objective-C++ as language in deciding COND_EXPR transformation.
4288 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4291 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4292 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4293 * config/sh/lib1funcs.h (SL, SL1): Define.
4294 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4295 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4296 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4297 (OBJS_Os_4_200): New variable.
4298 ($(T)libgcc-Os-4-200.a): Use it.
4299 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4300 when dividing 1 and/or by 0.
4302 2006-06-13 Roger Sayle <roger@eyesopen.com>
4304 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4305 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4306 * configure: Regenerate.
4308 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4310 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4311 for real instruction.
4313 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4316 * haifa-sched.c (check_cfg): Handle special case.
4318 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4321 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4322 Add debug_info parameter. Chain the vars to the BLOCK instead
4323 of the BIND_EXPR if debug info are requested for them.
4324 (pop_gimplify_context): Adjust for above change.
4325 (gimple_add_tmp_var): Likewise.
4326 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4328 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4329 (convert_local_reference): Likewise.
4330 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4331 (finalize_nesting_tree_1): Request that debug info be emitted
4332 for debug_var_chain.
4334 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4336 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4337 for PR target/27863.
4339 2006-06-13 Richard Guenther <rguenther@suse.de>
4342 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4344 2006-06-13 Richard Guenther <rguenther@suse.de>
4346 PR tree-optimization/27830
4347 * tree-inline.c (copy_body_r): For copying the operand
4348 of an ADDR_EXPR make sure to fold &* afterwards.
4350 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4352 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4353 lvalues in the fb_none case with side-effects.
4355 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4357 * tree-flow.h: Remove the prototype for
4358 compute_phi_arg_on_exit.
4359 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4360 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4363 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4365 * builtins.c (expand_builtin_return_addr): Only use
4366 frame_pointer_rtx when count == 0 and we are expanding
4367 __builtin_return_address.
4369 2006-06-12 Fred Fish <fnf@specifix.com>
4371 * config/mips/mips.c (mips_file_start): Create special section
4372 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4374 2006-06-11 Eric Christopher <echristo@apple.com>
4377 * stor-layout.c (place_field): Remove check for
4378 remaining_in_alignment when aligning at the end of a run.
4380 2006-06-11 Eric Christopher <echristo@apple.com>
4383 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4386 2006-06-11 Roger Sayle <roger@eyesopen.com>
4389 Revert incorrect fix for PR target/27158
4390 2006-05-08 Roger Sayle <roger@eyesopen.com>
4391 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4392 of a reg_equiv_constant if the result is a legitimate constant.
4394 2006-06-11 Roger Sayle <roger@eyesopen.com>
4397 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4398 extract a CONST_VECTOR element and interpret it as an integer.
4399 (vspltis_constant): Use const_vector_elt_as_int instead of the
4400 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4401 * config/rs6000/predicates.md (easy_vector_const): Consider
4402 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4404 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4407 * stor-layout.c (update_alignment_for_field): Don't add extra
4408 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4411 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4413 * config/mips/t-rtems: Add EL/EB multilib variants.
4415 2006-06-09 Mike Stump <mrs@apple.com>
4417 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4419 2006-06-09 David Daney <ddaney@avtrex.com>
4421 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4423 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4425 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4427 2006-06-09 Richard Guenther <rguenther@suse.de>
4429 PR tree-optimization/26998
4430 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4431 of signed types, only TYPE_MIN_VALUE is special, but for both,
4432 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4433 in this case, as is -fwrapv.
4435 2006-06-08 Mike Stump <mrs@apple.com>
4438 * config/darwin.c (darwin_asm_output_anchor): Disable
4439 -fsection-anchors on darwin for now.
4440 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4441 * rs6000/rs6000.c (optimization_options): Likewise.
4443 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4446 * config/i386/i386.c (classify_argument): Skip fields with invalid
4449 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4451 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4452 (cse_insn): Likewise for the stack_pointer_rtx.
4454 2006-06-08 Roger Sayle <roger@eyesopen.com>
4456 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4457 conditions from floating point comparisons.
4459 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4462 * expmed.c (struct alg_hash_entry): Fix type of field T
4463 to match synth_mult argument.
4464 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4466 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4469 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4472 2006-06-08 Richard Guenther <rguenther@suse.de>
4475 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4476 only, if overflow is defined and not trapping.
4477 (negate_expr): Likewise.
4479 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4481 PR tree-optimization/27872
4482 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4483 flag on the new exit edge of the unrolled loop.
4485 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4487 PR rtl-optimization/26449
4488 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4490 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4493 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4494 referenced_variables with matching DECL_UID's.
4495 (find_referenced_vars): Make sure duplicate list is empty to start.
4496 (referenced_var_p): Remove.
4497 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4498 Check if var is in the list, and add if needed. Update the duplicate
4499 list if a different var is in the list with the same DECL_UID.
4500 (add_referenced_var): Call routine to check and insert.
4501 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4502 * tree-flow.h (referenced_vars_dup_list): External declaration.
4504 2006-06-07 Fred Fish <fnf@specifix.com>
4506 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4509 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4512 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4513 the imaginary and real parts of a clobbered register.
4514 Emit insn to set the imaginary part.
4516 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4518 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4519 in lieu of unwind-dw2-fde.c.
4521 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4523 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4525 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4528 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4529 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4530 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4531 V4SImode temporaries and operations instead.
4533 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4535 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4538 2006-06-06 Mike Stump <mrs@apple.com>
4540 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4541 installing during build.
4543 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4545 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4547 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4548 * config/ia64/ia64.c (params.h): New header.
4549 (ia64_optimization_options): New function to adjust parameters.
4550 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4551 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4552 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4554 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4556 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4558 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4561 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4563 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4564 Victor Kaplansky <victork@il.ibm.com>
4566 PR tree-optimization/26360
4567 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4570 2006-06-04 Roger Sayle <roger@eyesopen.com>
4571 Andrew Pinski <pinskia@physics.uc.edu>
4574 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4575 for LABEL_DECL before calling DECL_WEAK.
4578 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4579 LABEL_DECL and PARM_DECL.
4581 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4585 * c-decl.c (grokdeclarator): Disallow variably modified types at
4586 file scope. Avoid marking shared array type of constant size as
4589 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4592 * c-common.c (fold_offsetof_1): Handle static members.
4594 2006-06-04 Eric Christopher <echristo@apple.com>
4596 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4597 (debug_rli): Output value for remaining_in_alignment.
4598 (update_alignment_for_field): Unconditionalize
4599 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4600 extra alignment code.
4601 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4602 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4603 * tree.h (record_layout_info_s): Remove prev_packed.
4604 * doc/extend.texi (ms_struct): Add documentation of format.
4606 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4608 * tree.h: Declare folding_initializer.
4609 * builtins.c (fold_builtin_constant_p): Give definite answer
4610 if folding inside an initializer.
4611 * fold-const.c: Define folding_initializer.
4612 (START_FOLD_INIT): Save and then set folding_initializer.
4613 (END_FOLD_INIT): Restore folding_initializer.
4615 2006-06-04 Richard Guenther <rguenther@suse.de>
4617 PR tree-optimization/27039
4618 * fold-const.c (fold_comparison): Handle pointer comparison
4619 again for all comparison codes. Compare offsets in signed
4621 (fold_binary): Move code from here.
4623 2006-06-03 Roger Sayle <roger@eyesopen.com>
4626 * config/i386/i386.c (construct_container): Split static issued_error
4627 flag into issued_sse_arg_error, issued_sse_ret_error and
4628 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4629 requires the use of x87 registers and the user explicitly
4630 specified the -mno-80387 command line option.
4632 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4634 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4635 HAVE_DECL_SIGALTSTACK.
4637 (segv_handler): Use MC_FLD.
4638 * configure.ac: Check for a sigaltstack declaration.
4639 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4640 * configure: Regenerate.
4641 * config.in: Regenerate.
4643 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4646 * Makefile.in (stmp-fixinc): Fix typo.
4648 2006-06-02 Roger Sayle <roger@eyesopen.com>
4650 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4651 are type correct. Clean-up.
4652 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4653 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4655 2006-06-01 DJ Delorie <dj@redhat.com>
4657 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4658 shift, as we've disabled the "switch" insn that needs it.
4660 2006-06-01 Per Bothner <bothner@bothner.com>
4662 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4663 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4664 * c-ppoutput.c (cb_define): Don't increment line 0.
4666 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4668 * doc/invoke.texi: Add cpu_type power6.
4669 * config.gcc: Add cpu_type power6.
4670 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4671 to power5+ with Altivec.
4672 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4673 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4675 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4677 * config/avr/avr.h (SET_ASM_OP): Define.
4679 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4681 * config/bfin/bfin.c: Fix comment typos.
4683 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4686 * doc/install.texi: Document --enable-bootstrap and
4687 --disable-bootstrap.
4689 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4691 * doc/install.texi: Document that InfoZIP can replace jar.
4693 2006-05-31 Roger Sayle <roger@eyesopen.com>
4695 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4696 isn't available, directly generate the simpler x87 patterns without
4697 the (use (const_int 0)).
4698 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4699 implementation isn't available.
4700 (*negdf2_1): Likewise.
4701 (*negxf2_1): XF mode negation is always done using the x87.
4702 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4704 2006-05-31 Roger Sayle <roger@eyesopen.com>
4706 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4707 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4709 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4711 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4713 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4714 * config/bfin/bfin.c (basic-block.h): Include.
4715 (struct machine_function): New.
4716 (bfin_init_machine_status): New.
4717 (override_options): Initialize init_machine_status.
4718 (bfin_hardware_loop): New.
4719 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4720 (DEF_VEC_P (loop_info)): New.
4721 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4722 (struct loop_info): New.
4723 (loop_info): New typedef.
4724 (struct loop_work): New.
4725 (loop_work): New typedef.
4726 (DEF_VEC_O (loop_work)): New.
4727 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4728 (bfin_dump_loops): New.
4729 (bfin_bb_in_loop): New.
4730 (bfin_scan_loop): New.
4731 (bfin_optimize_loop): New.
4732 (bfin_reorg_loops): New.
4733 (bfin_reorg): Use bfin_reorg_loops.
4734 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4736 (I_REGNO_P): Simplify.
4737 (DP_REGNO_P, DPREG_P): New macros.
4738 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4739 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4740 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4741 Add LT_REGS, LC_REGS, LB_REGS.
4742 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4744 (REGNO_REG_CLASS): Deal with loop registers.
4745 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4747 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4748 New constants for loop registers.
4749 (UNSPEC_LSETUP_END): New.
4750 (seq_insns): New define_attr. Set it for appropriate insns.
4751 (movsi_insn): Add alternatives for move from/to
4752 loop count registers.
4753 (doloop_end): New define_expand.
4754 (loop_end): New define_insn.
4755 (define_split for bad doloop_end): New.
4756 (lsetup_with_autoinit): New define_insn.
4757 (lsetup_without_autoinit): New define_insn.
4758 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4759 * config/bfin/predicates.md (lc_register_operand): New.
4760 (lt_register_operand): New.
4761 (lb_register_operand): New.
4762 (nondp_register_operand): New.
4763 (nondp_reg_or_memory_operand): New.
4764 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4766 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4768 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4769 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4771 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4773 * Makefile.in (CATALOGS): Add po/ prefix.
4774 * configure: Regenerated.
4776 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4779 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4780 a shift operand before calling shift_op. Avoid redundant call of
4783 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4784 DJ Delorie <dj@redhat.com>
4786 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4787 we're inserting is a singlt-bit constant.
4789 2006-05-30 Roger Sayle <roger@eyesopen.com>
4791 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4792 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4794 2006-05-30 Roger Sayle <roger@eyesopen.com>
4796 PR tree-optimization/23452
4797 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4798 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4799 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4800 complex values and with -ffast-math for FP complex values.
4802 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4804 * c-common.h: Remove the prototype for yyparse.
4805 * rtl.h: Remove the prototype for init_loop.
4807 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4809 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4812 2006-05-30 Roger Sayle <roger@eyesopen.com>
4814 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4816 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4817 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4819 2006-05-30 Dirk Mueller <dmueller@suse.de>
4822 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4823 for CONSTANT_CLASS_P expresisons.
4825 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4828 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4830 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4832 PR tree-optimization/27779
4833 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4834 initial_condition instead of CHREC_LEFT.
4836 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4838 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4839 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4840 Make prototypes ISO C90.
4842 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4843 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4845 * see.c (see_analyze_one_def): Correct check.
4846 (see_get_extension_data): Check if extension is parallel.
4847 (see_get_extension_reg): Likewise.
4849 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4852 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4853 into register for (code == GTU).
4855 2006-05-29 Roger Sayle <roger@eyesopen.com>
4857 PR tree-optimization/24964
4858 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4859 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4860 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4861 abs(x)*abs(x) as x*x for scalar floating point modes.
4863 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4866 * lambda-code.c (perfect_nestify): Don't copy statements
4867 in the inner loop: move them to the inner loop header.
4869 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4872 * c-tree.texi: Document OpenMP directives and clauses.
4874 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4876 * varasm.c (globalize_decl): Fix indentation.
4878 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4881 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4882 pass_fre, pass_store_ccp, pass_copy_prop,
4883 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4884 pass_return_slot, pass_object_size, pass_lim,
4885 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4886 pass_loop_prefetch and pass_stdarg.
4888 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4890 * config/bfin/bfin.opt (mfdpic): New option.
4891 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4892 (EXTRA_MULTILIB_PARTS): Likewise.
4893 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4894 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4896 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4897 (CRT_CALL_STATIC_FUNCTION): New.
4898 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4900 (CRT_CALL_STATIC_FUNCTION): New.
4901 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4903 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4904 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4905 (initialize_trampoline): Changed to handle FD-PIC code generation.
4906 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4907 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4908 (override_options): Disallow -mid-shared-library -mfdpic combination.
4909 Can't do unaligned ops if FD-PIC.
4910 Turn off flag_pic if trying to generate non-id-shared-library
4911 non-fdpic code, since it's not supported.
4912 (bfin_assemble_integer): New function.
4913 (TARGET_ASM_INTEGER): Define.
4914 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4916 * config/bfin/crtn.s: Restore them.
4917 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4919 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4920 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4921 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4922 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4923 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4925 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4926 FDPIC_REGS and FDPIC_FPTR_REGS.
4927 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4928 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4929 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4930 (load_funcdescsi): New pattern.
4931 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4932 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4933 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4935 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4937 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4940 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4942 * tree-flow.h: Remove the prototype for add_type_alias.
4943 * tree-ssa-alias.c (add_type_alias): Remove.
4945 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4947 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4948 config/fr30/fr30.md, config/i386/i386-interix.h,
4949 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4950 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4951 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4952 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4953 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4954 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4955 Follow spelling conventions.
4956 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4957 Follow spelling conventions.
4959 2006-05-27 Richard Guenther <rguenther@suse.de>
4962 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4963 to produce a constant of value 1 of generic type.
4965 2006-05-27 Dirk Mueller <dmueller@suse.de>
4967 * cgraphunit.c (decide_is_function_needed): Fix wrong
4970 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4972 PR rtl-optimization/27661
4973 * reload.c (find_reloads): When reloading a VOIDmode constant
4974 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4975 use Pmode as mode of the reload register.
4977 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4979 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4980 is enabled at -O and above.
4982 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4985 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4988 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4991 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4992 for anonymous variables explicitly declared by front ends.
4994 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4996 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4997 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4998 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4999 ref-all pointers, run a finalization pass for them.
5000 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5001 (finalize_ref_all_pointers): New function.
5002 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5003 regular pointer type to a ref-all pointer type.
5004 (get_tmt_for): Return the special memory tag for ref-all pointers.
5006 2006-05-25 Richard Guenther <rguenther@suse.de>
5009 * fold-const.c (fold_binary): Do not look at the stripped
5010 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5012 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5014 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5015 for LT and GT if the computed range is effectively empty.
5017 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5020 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5021 mips_quad_format formats instead of ieee_single_format,
5022 ieee_double_format and ieee_quad_format formats, respectively.
5024 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5026 PR tree-optimization/27639
5027 PR tree-optimization/26719
5028 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5029 call to scev_probably_wraps_p.
5030 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5031 used_in_pointer_arithmetic_p, convert_step): Removed.
5032 (nowrap_type_p): New function.
5033 (scev_probably_wraps_p): Rewritten.
5034 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5035 chrec_convert if chrec_convert_aggressive might have been used.
5036 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5037 scev_direction): New functions.
5038 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5039 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5040 instead of convert_step.
5041 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5042 (convert_step): Declaration removed.
5043 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5045 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5047 * df-core.c: Added to header comments.
5048 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5049 df_ur_bb_info, df_urec_bb_info): Added comments.
5050 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5051 urec, ri problems): Fixed header comments.
5052 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5053 code from df_rd_transfer_function.
5055 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5057 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5058 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5059 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5061 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5063 * expr.c (undefined_operand_subword_p): New.
5064 (emit_move_multi_word): Do not generate move from undefined bits
5065 of a paradoxical subreg.
5067 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5069 PR rtl-optimization/27736
5070 * combine.c (replaced_rhs_value): New variable.
5071 (combine_instructions): Set it.
5072 (distribute_notes): When distributing a note in replaced_rhs_insn,
5073 check whether the value was used in replaced_rhs_value.
5075 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5078 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5079 add_referenced_var instead of add_referenced_tmp_var.
5080 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5081 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5083 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5084 tree_optimize_tail_calls_1): Use add_referenced_var.
5085 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5086 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5087 Use add_referenced_var.
5088 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5089 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5090 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5091 Use add_referenced_var.
5092 * tree-dfa.c (struct walk_state): Remove.
5093 (find_referenced_vars): Remove walk state and vars_found hash table.
5094 (make_rename_temp): Use add_referenced_var.
5095 (find_vars_r): Pass less parameters to add_referenced_var.
5096 (referenced_var_p): New. Is var in referenced_var hash table.
5097 (referenced_var_insert): Assert var isn't already in hash table.
5098 (add_referenced_var): Don't need walk_state parameter. Add var if it
5099 isn't already in the hash table.
5100 (add_referenced_tmp_var): Remove.
5101 (find_new_referenced_vars_1): Use add_referenced_var.
5102 * tree-ssa-pre.c (create_expression_by_pieces,
5103 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5104 Use add_referenced_var.
5105 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5106 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5107 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5109 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5110 vect_create_data_ref_ptr, vect_create_destination_var,
5111 vect_init_vector, vect_build_loop_niters,
5112 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5113 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5114 Use add_referenced_var.
5115 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5116 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5117 (add_referenced_var): Add prototype.
5118 * tree-ssa-structalias.c (get_constraint_for,
5119 intra_create_variable_infos): Use add_referenced_var.
5121 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5123 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5124 big-endian paradoxical subregs.
5125 * var-tracking.c (struct micro_operation_def): Document that,
5126 for modify micro operations, insn is the subsequent instruction.
5127 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5128 (var_reg_set, var_mem_set): ... new functions.
5129 (add_stores): Record subsequent insn.
5130 (compute_bb_dataflow): Use new functions for MO_USE.
5131 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5132 notes after the insn, and modify notes before the insn known
5133 to be the subsequent one.
5134 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5136 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5139 * config/i386/i386.c (ix86_expand_builtin): Use
5140 gen_sse3_monitor64 for TARGET_64BIT.
5142 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5144 PR rtl-optimization/26375
5145 PR rtl-optimization/26855
5146 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5148 (df_ru_bb_local_compute): Reversed statements and removed bogus
5149 comment explaining why they should be in wrong order.
5150 (df_ru_dump, df_rd_dump): Enhanced debug info.
5151 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5153 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5154 reaching uses and fixed space problem.
5156 2006-05-23 Jan Hubicka <jh@suse.cz>
5158 * cgraphunit.c (decide_is_function_needed): Also nested functions
5159 and functions declared inline can be optimized out at -O0.
5161 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5163 * doc/install.texi (Configuration): Remove reference to CrossGCC
5167 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5170 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5171 ix86_compare_emitted is non-NULL.
5173 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5176 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5179 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5181 PR rtl-optimization/25514
5182 * combine.c (replaced_rhs_insn): New variable.
5183 (combine_instructions): Set replaced_rhs_insn when trying to replace
5184 a SET_SRC with a REG_EQUAL note.
5185 (distribute_notes): Use replaced_rhs_insn when determining the live
5186 range of a REG_DEAD register.
5188 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5189 Anatoly Sokolov <aesok@post.ru>
5191 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5192 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5193 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5194 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5195 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5196 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5197 at90usb647, at90usb1286 and at90usb1287 devices.
5198 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5199 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5201 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5203 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5205 2006-05-22 Richard Guenther <rguenther@suse.de>
5208 2006-01-31 Richard Guenther <rguenther@suse.de>
5209 Paolo Bonzini <bonzini@gnu.org>
5211 * doc/install.texi (--disable-libgcc-math): Document.
5213 2006-05-22 Richard Guenther <rguenther@suse.de>
5216 2006-01-31 Richard Guenther <rguenther@suse.de>
5218 * doc/invoke.texi (-msselibm): Document.
5219 * target.h (expand_library_builtin): New target hook.
5220 * builtins.c (expand_builtin): Use expand_library_builtin.
5221 (default_expand_library_builtin): New function.
5222 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5223 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5224 (link_gcc_math_spec): Declare.
5225 (static_specs): Add link_gcc_math_spec.
5226 * expr.h (default_expand_library_builtin): Declare.
5227 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5228 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5229 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5230 * config/i386/i386.opt (msselibm): New target option.
5231 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5232 (ix86_init_sse_abi_builtins): New function.
5233 (ix86_expand_library_builtin): Likewise.
5234 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5235 (override_options): Handle error conditions wrt -msselibm.
5236 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5237 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5238 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5241 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5244 * c-common.c (self_promoting_args_p): Skip erroneous args.
5247 * c-decl.c (finish_struct): Skip erroneous fields.
5249 2006-05-22 Nick Clifton <nickc@redhat.com>
5251 * config/cris/cris.opt (march): Remove VarExists attribute.
5252 (max-stackframe=): Likewise.
5254 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5256 * doc/rtl.texi: Fix a typo.
5257 * see.c: Fix comment typos.
5259 * tree-ssa-structalias.h (alias_info): Remove num_references.
5261 2006-05-21 Mike Stump <mrs@apple.com>
5263 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5265 (darwin_pragma_options): Use BAD instead.
5266 (darwin_pragma_unused): Likewise.
5267 (darwin_pragma_ms_struct): Likewise.
5269 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5271 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5273 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5275 PR rtl-optimization/27671
5276 * simplify-rtx.c (simplify_relational_operation_1): Fix
5277 simplifications of (eq/ne (xor x y) y) and
5278 (eq/ne (xor x y) x).
5280 PR tree-optimization/26622.
5281 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5284 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5286 * tree-cfg.c: Prune whitespace.
5287 (debug_tree_cfg): Point to correct header containing the
5290 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5293 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5295 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5298 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5299 or sorry count is non zero.
5301 2006-05-20 Andreas Schwab <schwab@suse.de>
5303 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5305 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5306 Kenneth Zadeck <zadeck@naturalbridge.com>
5308 PR rtl-optimization/26855
5310 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5312 (df_scan_alloc): Added code to properly handle multiword hard
5313 registers and add all_blocks parameter.
5314 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5315 code to properly handle multiword hard registers.
5316 (df_rescan_blocks): Added code to remove deleted blocks from
5318 (df_ref_create_structure, df_ref_record): Added code to properly
5320 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5321 and set DF_REF_PARTIAL.
5322 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5323 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5324 (df_scan_add_problem): Added flags parameter.
5325 (df_ref_create_structure): Changed switching structure.
5326 (df_bb_refs_record): Fixed case where duplicate artificial refs
5327 were created. Changed location of flags.
5328 (df_record_entry_block_defs): Added code to make stack pointer
5329 live in entry block. Refined cases where frame pointer is needed.
5330 Changed location of flags.
5331 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5332 (df_set_state): Removed function.
5333 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5334 df_insn_create_insn_record, df_insn_refs_delete,
5335 df_ref_create_structure): Formatting changes.
5336 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5337 df_delete_basic_block): New function.
5338 (df_init): Changed location of flags.
5339 (df_add_problem): Added flags parameter and the way flags are
5341 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5342 debug_df_chain): Improved debugging output.
5343 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5344 (df_refs_chain_dump): Removed df parameter.
5345 (df_iterative_dataflow): Added consistency check.
5346 (df_prune_to_subcfg): Made public.
5347 (df_analyze_problem): Added blocks_to_init parameter and made
5349 (df_ref_record, df_bb_refs_record, df_mark_reg,
5350 df_record_exit_block_uses): Whitespace changes.
5351 (df_dump): Whitespace changes.
5352 * df.h: Some reordering to remove forward references.
5353 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5354 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5355 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5356 (dataflow.flags): New field.
5357 (df.flag): Deleted field.
5358 (df_alloc_function): Added additional bitmap parameter.
5359 (df_dependent_problem_function): New type.
5360 (df_problem.changeable_flags): New field.
5361 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5362 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5363 (df_mw_hardreg): New struct.
5364 (DF_INSN_UID_MWS): New macro.
5365 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5367 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5368 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5369 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5370 (df_set_state): Removed function.
5371 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5372 * df-problems.c (df_chain_dump): Removed df parameter.
5373 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5374 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5376 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5377 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5378 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5379 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5380 DF_REF_MUST_CLOBBER cases.
5381 (df_ru_bb_local_compute_process_def,
5382 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5383 df_lr_bb_local_compute, df_ur_bb_local_compute,
5384 df_chain_create_bb): Made subreg aware.
5385 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5386 df_lr_bb_local_compute, df_lr_bb_local_compute,
5387 df_chain_create_bb): Cleanup to use proper macros.
5388 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5389 code to fixup bitvectors.
5390 (df_ri_alloc): Cleared lifetime.
5391 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5392 df_create_unused_note): New function.
5393 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5394 REG_DEAD and REG_UNUSED notes as well as register information.
5395 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5396 df_chains_dump): Fixed crash if problem was never run.
5397 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5398 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5399 df_ri_add_problem): Processes flags in uniform manner.
5400 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5401 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5402 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5403 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5404 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5405 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5406 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5407 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5408 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5409 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5410 * see.c (see_initialize_data): Ditto.
5411 * final.c (rest_of_clean_state) Added regstack_completed.
5412 * rtl.h (regstack_completed): Ditto.
5413 * reg-stack.c (regstack_completed): Ditto.
5415 2006-05-19 Mike Stump <mrs@apple.com>
5417 * c-tree.h (default_conversion): Remove.
5418 * c-common.h (default_conversion): Add.
5420 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5422 * tree-vrp.c (valid_value_p): New function.
5423 (adjust_range_with_scev): Fail if the value of bound is not
5426 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5428 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5429 (mips_fallback_frame_state): Use syscall numbers to determine
5430 the appropriate li instruction for the current ABI. Only use
5431 __NR_sigreturn for o32.
5433 2006-05-19 Nicolas Setton <setton@adacore.com>
5435 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5436 * langhooks.c (lhd_dwarf_name): New function.
5437 * langhooks-def.h (lhd_dwarf_name): Declare.
5438 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5439 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5440 * ada/misc.c (gnat_dwarf_name): New function.
5441 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5443 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5445 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5447 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5448 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5449 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5450 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5451 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5452 determine the size of Wtype, etc.
5453 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5454 (swfloatfuncs): New variable.
5455 (dwfloatfuncs): Likewise.
5456 (lib2funcs): Remove floating-point conversion functions from
5457 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5458 the set of conversion routines needed. Allow entries to specify
5459 an object name, filename and word size. Update users accordingly.
5460 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5461 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5465 2006-02-08 Roger Sayle <roger@eyesopen.com>
5468 * config/fixtfdi.c: New libgcc source file.
5469 * config/fixunstfdi.c: New source file.
5470 * config/floatditf.c: New source file.
5471 * config/floatunditf.c: New souce file.
5472 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5473 files above instead of config/mips/_tilib.c.
5474 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5476 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5478 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5479 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5481 2006-05-18 Mike Stump <mrs@apple.com>
5483 Fix up vla, vm and [*] sematics.
5489 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5490 (c_vla_unspec_p): Add.
5491 (c_vla_type_p): Add.
5492 * c-decl.c (struct c_scope): Add had_vla_unspec.
5493 (build_array_declarator): Add support for [*].
5494 (grokdeclarator): Likewise.
5495 (grokparms): Likewise.
5496 (get_parm_info): Likewise.
5497 * c-objc-common.c (c_vla_unspec_p): Likewise.
5498 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5499 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5500 typeof when argument is a variably modified type not inside sizeof or alignof.
5501 (c_parser_direct_declarator_inner): Propagate errors.
5502 (c_parser_sizeof_expression): Add support for [*].
5503 (c_parser_parms_declarator): Initialize had_vla_unspec.
5504 (c_parser_parms_list_declarator): Likewise.
5505 * c-typeck.c (c_vla_type_p): Add.
5506 (composite_type): Add support for vla compositing.
5507 (comptypes_internal): Add support for vla compatibility.
5508 (c_expr_sizeof_expr): Evaluate vla arguments.
5509 * tree.c (variably_modified_type_p): Update comment for [*].
5511 2006-05-18 Michael Matz <matz@suse.de>
5514 * config.host: Make assignments to host_xmake_file cumulative.
5515 * config.host (*-darwin*): Test $host, not $target.
5517 2006-05-12 Stuart Hastings <stuart@apple.com>
5519 * config/i386/i386.opt (-mstackrealign): New flag.
5520 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5521 (ix86_handle_cconv_attribute): Emit error when
5522 force_align_arg_pointer attribute collides with too many regparms.
5523 (ix86_function_regparm): Limit regparms when used with
5524 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5525 Support stack-realigning prologue in non-main functions. Emit
5526 warning for nested functions under -mstackrealign, emit error for
5527 nested functions with force_align_arg_pointer attribute.
5528 * doc/extend.texi (force_align_arg_pointer): Document it.
5529 * doc/invoke.texi (-mstackrealign): Document it.
5531 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5533 PR rtl-optimization/27477
5534 * combine.c (try_combine): Don't split a parallel consisting
5535 of two sets into two individual sets if both sets reference
5538 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5540 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5541 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5543 * doc/options.texi (VarExists): Updated.
5545 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5547 * unwind-dw2.c: Add declarations for uw_update_context and
5549 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5550 detected, advance frame state and context once to skip over stub.
5552 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5556 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5557 Call rewrite_into_loop_closed_ssa only when something changed.
5558 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5559 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5560 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5561 Test for perfect_nest_p here. Fix formating.
5562 (replace_uses_equiv_to_x_with_y): Fix formating.
5563 (stmt_uses_op): Removed.
5564 (can_convert_to_perfect_nest): Removed loopivs parameter.
5565 Complete the test by checking the scalar dependences.
5566 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5569 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5572 From Dan Kegel <dank@kegel.com>:
5573 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5575 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5577 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5578 if the element type is variably modified without recursing.
5580 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5583 * tree-loop-linear.c (try_interchange_loops): Test for
5584 no data dependences.
5586 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5588 PR tree-optimization/27548
5589 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5590 range of ssa names that appear on abnormal edges.
5591 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5592 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5594 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5597 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5599 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5602 * tree.h (OMP_PARALLEL_COMBINED): Define.
5603 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5604 (new_omp_context): Add is_combined_parallel argument.
5605 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5606 new_omp_context caller.
5607 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5608 Adjust gimplify_scan_omp_clauses callers.
5609 (omp_is_private): Issue errors if iteration variable is firstprivate
5610 or reduction in the current context.
5611 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5612 on combined parallel workshare constructs.
5614 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5616 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5617 (gcc-options.o): New rule.
5619 * optc-gen.awk: Protect variables for gcc-options.o with
5620 #ifdef GCC_DRIVER/#endif.
5622 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5624 Fix PR tree-optimization/27373
5625 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5626 (forward_propagate_addr_expr): Update call.
5628 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5630 * doc/options.texi: Move the Negative option.
5632 2006-05-16 Richard Guenther <rguenther@suse.de>
5634 PR tree-optimization/22303
5635 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5637 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5638 ccp_fold did not simplify the statement.
5640 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5643 * Makefile.in (GCC_OBJS): New.
5644 (OBJS-common): Add opts-common.o.
5645 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5646 (cpp$(exeext)): Likewise.
5647 (gcc.o): Also depend on opts.h.
5648 (opts-common.o): New.
5650 * common.opt (gcoff): Add Negative(gdwarf-2).
5651 (gdwarf-2): Add Negative(gstabs).
5652 (gstabs): Add Negative(gstabs+).
5653 (gstabs+): Add Negative(gvms).
5654 (gvms): Add Negative(gxcoff).
5655 (gxcoff): Add Negative(gxcoff+).
5656 (gxcoff+): Add Negative(gcoff).
5657 * config/i386/i386.opt (m32): Add Negative(m64).
5658 (m64): Add Negative(m32).
5660 * doc/options.texi: Document the Negative option.
5662 * gcc.c: Include "opts.h".
5663 (main): Call prune_options after expandargv.
5665 * optc-gen.awk: Generate common declarations for all flag
5666 variables in options.c. Output the neg_index field.
5668 * opts.c (find_opt): Moved to ...
5669 * opts-common.c: Here. New file.
5671 * opts.h (cl_option): Add a neg_index field.
5673 (prune_options): Likewise.
5675 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5678 * omp-low.c (expand_omp_parallel): Don't assert
5679 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5680 instead search for it.
5683 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5686 2006-05-16 Andreas Schwab <schwab@suse.de>
5688 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5691 2006-05-15 Roger Sayle <roger@eyesopen.com>
5694 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5695 integer constants other than zero are only legitimate on TARGET_64BIT.
5696 <CONST_VECTOR> Only zero vectors are legitimate.
5697 (ix86_cannot_force_const_mem): Integral and vector constants can
5698 always be put in the constant pool.
5700 2006-05-16 DJ Delorie <dj@redhat.com>
5702 * crtstuff.c (__dso_handle): Set section from
5703 TARGET_LBIGCC_SDATA_SECTION if defined.
5704 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5705 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5707 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5710 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5713 2006-05-16 Ben Elliston <bje@au.ibm.com>
5715 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5717 2006-05-15 Per Bothner <per@bothner.com>
5719 * tree.c: (last_annotated_node): Use source_locus typedef.
5720 This permits bootstrapping with --enable-mapped-location.
5722 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5724 PR tree-optimization/26830
5725 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5726 (info_for_ssa_name, current_info_for_ssa_name_age,
5727 blocks_to_update): New variables.
5728 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5729 (clear_ssa_name_info, initialize_flags_in_bb,
5730 mark_block_for_update): New functions.
5731 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5732 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5733 prepare_def_site_for): Use mark_block_for_update.
5734 (mark_def_interesting): Assert that the processed block is marked in
5735 blocks_to_update. Do not take blocks argument.
5736 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5738 (rewrite_update_init_block, rewrite_update_stmt): Only process
5739 blocks with statements to rewrite.
5740 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5741 (update_ssa): Initialize and free blocks_to_update. Do not
5742 clear flags on statements. Do not use blocks bitmap.
5743 * tree.h (SSA_NAME_AUX): Removed.
5744 (struct tree_ssa_name): Removed aux field.
5745 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5747 2006-05-15 Richard Guenther <rguenther@suse.de>
5749 PR tree-optimization/27603
5750 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5751 Do computations in original type.
5753 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5755 * see.c: Code style changes such as redundant paranthesis,
5756 redundant intialization of local variables etc.
5757 (see_main): Declared now as static.
5758 * doc/invoke.texi: Update that -fsee is not enabled by
5761 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5763 * omp-low.c (check_omp_nesting_restrictions): New function.
5764 (scan_omp_1): Call it.
5767 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5768 construct, return *VAR.
5770 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5772 PR rtl-optimization/27406
5773 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5776 2006-05-14 Roger Sayle <roger@eyesopen.com>
5778 PR rtl-optimization/27538
5779 * combine.c (expand_compound_operation): Call gen_lowpart
5780 before calling simplify_shift_const.
5782 2006-05-14 Roger Sayle <roger@eyesopen.com>
5784 PR rtl-optimization/22563
5785 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5786 a fixed width bitfield, always force the intermediates into psuedos.
5788 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5791 * mkconfig.sh: Use operator = instead of == for test.
5793 2006-05-13 Nick Clifton <nickc@redhat.com>
5795 * dwarf2out.c (dbx_reg_number): Check return value from
5796 LEAF_REG_REMAP and only use it if it is valid.
5797 (multiple_reg_loc_descriptor): Likewise.
5799 2006-05-13 Richard Guenther <rguenther@suse.de>
5801 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5804 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5806 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5807 information attached to non-INSNs such as NOTEs.
5808 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5810 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5812 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5814 * config/s390/s390.md: Adjust comment describing On constraint.
5816 2006-05-11 Jan Hubicka <jh@suse.cz>
5818 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5819 to be output at -O0.
5821 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5824 * fold-const.c (size_binop): Move sanity check for arguments to
5825 the beginning of the function.
5828 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5831 2006-05-11 Richard Guenther <rguenther@suse.de>
5834 * fold-const.c (fold_unary): Handle intermediate conversion
5835 to a pointer type like intermediate conversion to an integer
5836 type in folding of (T1)(T2)var to var.
5837 Match the code to the comment in the final conversion for
5838 (T1)(T2)var to (T1)var regarding to type precision. Rather
5839 than disallow T1 being of pointer type, assert that both T1
5840 and var are of pointer type or not. Make sure not to fall
5841 over the frontends lazyness wrt array to pointer decay though.
5843 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5845 * arm.c (arm_struct_value_rtx): Delete.
5846 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5847 (arm_init_cumulative_args): Always initialize nregs to zero.
5849 2006-05-10 Richard Guenther <rguenther@suse.de>
5851 PR tree-optimization/27532
5852 * tree-object-size.c (plus_expr_object_size): Fix typo.
5854 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5857 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5858 ashrdi_const, ashrdi3): Use a scratch register.
5860 2006-05-10 Richard Guenther <rguenther@suse.de>
5862 PR tree-optimization/27302
5863 * fold-const.c (operand_equal_p): For two comparisons,
5864 try comparison of one comparison code swapped if that yields
5867 2006-05-10 Ben Elliston <bje@au.ibm.com>
5869 * tree-pretty-print.c (pretty_print_string): No need to handle
5870 '\0' as a special character.
5872 * tree.h: Include "hashtab.h".
5873 (iterative_hash_expr): Use hashval_t in its prototype.
5874 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5876 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5879 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5880 (hppa*64*-*-hpux11*): Ditto.
5881 (hppa[12]*-*-hpux11*): Ditto.
5883 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5886 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5888 2006-05-09 Michael Matz <matz@suse.de>
5890 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5891 host_extra_gcc_objs and host_xmake_file.
5892 (<*-*-linux*>): Don't overwrite host_xmake_file.
5893 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5894 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5895 (host_detect_local_cpu): Declare.
5896 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5897 * config/i386/i386.c (override_options): Handle -mtune=native
5899 * config/i386/x-i386: New file.
5900 * config/i386/driver-i386.c: New file.
5901 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5904 2006-05-09 Dirk Mueller <dmueller@suse.de>
5905 Richard Guenther <rguenther@suse.de>
5908 * fold-const.c (fold_read_from_constant_string): Relax check
5909 for matching types to matching modes.
5911 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5913 PR rtl-optimization/27335
5914 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5917 2006-05-08 Chao-ying Fu <fu@mips.com>
5918 Richard Sandiford <richard@codesourcery.com>
5920 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5921 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5922 * config/mips/mips.md (UNSPEC_SCC): New constant.
5923 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5924 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5925 (mips_emit_compare): Use it.
5926 (mips_expand_vcondv2sf): New function.
5928 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5930 Fix PR tree-optimization/27093
5931 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5932 renaming when they become not-used_alone.
5934 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5936 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5937 relocation and relocation stubs.
5939 2006-05-08 Eric Christopher <echristo@apple.com>
5941 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5944 2006-05-08 Jan Hubicka <jh@suse.cz>
5947 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5948 unused static functions are needed.
5950 2006-05-08 Roger Sayle <roger@eyesopen.com>
5953 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5954 of a reg_equiv_constant if the result is a legitimate constant.
5956 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5959 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5960 standard 80387 constants, raise the cost to prevent
5961 compress_float_constant() to generate load from memory.
5963 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5965 * config/arm/constraints.md (c): Fix a typo.
5967 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5970 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5973 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5975 (_mm_mwait): Likewise.
5977 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5979 (sse3_monitor): Make it 32bit only.
5980 (sse3_monitor64): New. 64bit monitor.
5982 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5985 * config/i386/i386.c (classify_argument): Skip fields with invalid
5988 2006-05-07 Richard Guenther <rguenther@suse.de>
5990 PR tree-optimization/27409
5991 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5992 Do not try to find zero-sized subvars.
5994 2006-05-07 Richard Guenther <rguenther@suse.de>
5996 PR tree-optimization/27136
5997 * tree-ssa-loop-niter.c (get_val_for): Correct function
5998 comment, assert requirements.
5999 (loop_niter_by_eval): Stop processing if the iterated
6000 value did not simplify.
6002 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6004 * opts.c (flag_see): remove its setting at -O3.
6006 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6008 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6009 * arm/constraints.md: New file.
6010 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6011 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6012 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6013 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6014 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6015 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6016 * arm.md: Include constraints.md.
6017 (thumb_movsi_insn): Use satisfies_constraint_J.
6018 (movhi, movqi): Use satisfies_constraint_I.
6020 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6022 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6023 for atmeg a645 device.
6025 2006-05-06 Richard Guenther <rguenther@suse.de>
6027 PR tree-optimization/27151
6028 * tree-vect-transform.c (vectorizable_condition): Punt on
6029 values that have a different type than the condition.
6031 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6034 * c-parser.c (c_parser_cast_expression): Only insert casts into
6035 hash table if pointer.
6036 * function.c (used_types_insert_helper): Rename from
6038 (used_types_insert): Call used_types_insert_helper.
6039 * function.h (used_types_insert): Accept only one argument.
6041 2006-05-05 David Edelsohn <edesohn@gnu.org>
6043 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6044 scratch with output modifier.
6046 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6049 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6050 with output modifier.
6052 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6055 * config/mips/mips.c (mips_symbolic_address_p): Return true
6056 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6057 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6059 2006-05-04 Richard Guenther <rguenther@suse.de>
6061 PR tree-optimization/14287
6062 PR tree-optimization/14844
6063 PR tree-optimization/19792
6064 PR tree-optimization/21608
6065 PR tree-optimization/27090
6066 * tree-ssa-pre.c (try_combine_conversion): New function.
6067 (compute_avail): After constructing the value-handle
6068 expression, use try_combine_conversion to combine NOP_EXPRs
6069 with previous value-handle expressions and use the result if it
6072 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6074 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6076 2006-05-04 Jan Hubicka <jh@suse.cz>
6079 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6081 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6083 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6084 that this only matches CONST_INTs. All users changed to VOIDmode
6087 * config/bfin/bfin.c: Include "optabs.h".
6088 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6090 (enum bfin_builtins): Add a number of fractional and vector builtins.
6091 (bfin_init_builtins): Likewise.
6092 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6093 (safe_vector_operand, bfin_expand_binop_builtin,
6094 bfin_expand_unop_builtin): New functions.
6095 (bfin_expand_builtin): Handle the new builtins.
6096 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6099 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6102 * Makefile.in (OBJS-common): Add see.o.
6103 (see.o): Add dependencies.
6104 * common.opt (fsee): New flag for the see optimization was added.
6105 * opts.c (flag_see): Initialized.
6106 * passes.c (init_optimization_passes, pass_see): New pass.
6107 * rtl.h (see_main): Declaration as extern.
6108 * timevar.def (TV_SEE): New.
6109 * tree-pass.h (pass_see): Declaration as extern.
6110 * invoke.texi (-fsee): Document.
6111 * recog.c (validate_simplify_insn): New function.
6112 * recog.h (validate_simplify_insn): Declaration as extern.
6113 * df-problems.c (df_chain_dump): Check for NULL.
6115 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6116 Daniel Berlin <dberlin@dberlin.org>
6118 * cfgrtl.c (insert_insn_bb_end_new): New function.
6119 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6121 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6123 * df.h (struct web_entry): Moved from web.c.
6124 (union_defs): Declaration as extern.
6125 (unionfind_root): Likewise.
6126 (unionfind_union): Likewise.
6127 * web.c (struct web_entry): Moved to df.h.
6128 (unionfind_root): Remove static declaration.
6129 (unionfind_union): Likewise.
6130 (union_defs): Likewise and generalize to use callback function.
6131 (web_main): Update arguments for union_defs function call.
6133 2006-05-04 Richard Guenther <rguenther@suse.de>
6135 PR tree-optimization/26447
6136 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6137 produce SSA_NAME copies before the store stmt to avoid
6138 breaking exception handling.
6140 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6143 * gimplify.c (omp_is_private): If var is shared in some outer context,
6144 return false instead of true. Stop searching on parallel context
6147 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6150 * coverage.c: Use get_gcov_unsigned_t() instead of
6151 unsigned_type_node all over.
6153 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6155 PR tree-optimization/27381
6156 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6157 maintain the same immediate_use links.
6158 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6159 node rather than segfaulting.
6161 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6164 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6165 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6166 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6168 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6170 Fix PR tree-optimization/26626
6171 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6173 * tree-ssa-operands.c (access_can_touch_variable): Allow
6174 typecasting through union pointers.
6176 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6179 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6180 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6181 to find if var will be a global variable even in the nested context.
6182 (omp_copy_decl): Only check for global variable at the end, it might
6183 be overridden in outer contexts.
6184 (scan_sharing_clauses): For global variables don't create a field.
6185 (lower_rec_input_clauses): Do nothing for global shared variables.
6186 Emit a barrier at the end of ILIST if there were any decls in both
6187 firstprivate and lastprivate clauses.
6188 (lower_send_clauses): Do nothing for global variables except for
6191 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6193 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6194 of the correct signedness is returned.
6196 2006-05-02 Jeff Law <law@redhat.com>
6198 PR tree-optimization/27364
6199 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6200 multiply expressions.
6202 2006-05-02 Tom Tromey <tromey@redhat.com>
6204 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6206 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6209 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6210 -mthumb -fPIC are used.
6212 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6213 Joshua Kinard <kumba@gentoo.org>
6216 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6217 with 64-bit pointers.
6219 2006-05-02 Paul Brook <paul@codesourcery.com>
6221 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6223 (create_fix_barrier): Check that a suitable barrier location is
6225 (arm_reorg): Include ftmp->address in allowable range of addresses.
6227 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6230 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6233 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6236 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6237 around RESULT_DECL for result passed by reference.
6238 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6239 * omp-low.c (use_pointer_for_field): Don't look at
6240 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6241 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6242 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6243 time or var for passing by reference for
6244 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6245 TREE_ADDRESSABLE variables when passing by reference.
6247 * omp-low.c (dump_omp_region): Fix output formatting.
6250 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6251 (expand_omp_parallel): Likewise.
6252 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6255 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6256 on statement list containing also constructors and destructors.
6257 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6260 * except.c (duplicate_eh_regions): Fix clearing of
6261 cfun->eh->region_array entries.
6263 2006-05-01 DJ Delorie <dj@redhat.com>
6265 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6267 (gcc_cv_objdump): Likewise.
6268 * configure: Regenerated.
6270 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6273 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6274 templates for case 3 and 4.
6276 2006-05-01 DJ Delorie <dj@redhat.com>
6278 * vec.c: Include bconfig.h when appropriate.
6279 * Makefile.in (build/vec.o): Adjust dependencies.
6280 * mkconfig.sh: Make sure config.h isn't used for build machine
6283 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6285 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6287 (mark_phi_for_rewrite): New function.
6288 (insert_phi_nodes_for, mark_use_interesting): Call
6289 mark_phi_for_rewrite.
6290 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6291 (update_ssa): Initialize and free phis_to_rewrite.
6293 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6295 PR rtl-optimization/27291
6296 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6297 folded to a constant.
6299 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6301 PR tree-optimization/27283
6302 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6303 not whole # of iteration descriptions.
6304 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6305 uses abnormal ssa name.
6306 (niter_for_single_dom_exit): Ditto.
6307 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6308 return just the number of iterations.
6310 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6312 PR tree-optimization/27144
6313 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6314 (record_estimate): Only record constant upper bound.
6315 (infer_loop_bounds_from_undefined): Call
6316 compute_estimated_nb_iterations just once.
6317 (proved_non_wrapping_p): Renamed to ...
6318 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6319 (convert_step_widening, scev_probably_wraps_p): Call
6320 n_of_executions_at_most instead of proved_non_wrapping_p.
6321 (substitute_in_loop_info): Do not replace values in bounds.
6322 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6325 2006-05-01 Richard Henderson <rth@redhat.com>
6328 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6329 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6332 2006-05-01 Roger Sayle <roger@eyesopen.com>
6334 * c-typeck.c (parser_build_binary_op): Don't call the function
6335 unsigned_conversion_warning to spot operand/result type overflow.
6336 (build_binary_op): Instead, call convert_and_check instead of
6337 convert to report the problem when the operands are promoted.
6338 * c-common.c (unsigned_conversion_warning): Make static.
6339 * c-common.h (unsigned_conversion_warning): Delete prototype.
6341 2006-05-01 Richard Guenther <rguenther@suse.de>
6343 PR tree-optimization/26726
6344 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6346 (find_interesting_uses_address): ... we work around here
6347 by folding INDIRECT_REFs in the substituted base.
6349 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6351 * omp-low.c (dump_omp_region): Add newlines.
6353 2006-04-30 Roger Sayle <roger@eyesopen.com>
6355 * common.opt (Woverflow): New command line option.
6356 * c-common.c (constant_expression_warning): Check warn_overflow.
6357 (overflow_waring): Pass OPT_Woverflow to warning.
6358 (unsigned_conversion_warning): Likewise.
6359 (convert_and_check): Likewise.
6360 * doc/invoke.texi: Document new command line option.
6362 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6364 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6365 TARGET_NO_FP_IN_TOC for section anchors.
6366 (optimization_options): Enable section anchors for all
6367 non-"Objective" languages.
6369 2006-04-28 Eric Christopher <echristo@apple.com>
6371 * config/darwin-c.c (darwin_ms_struct): Move this
6372 (darwin_set_default_type_attributes): and this...
6373 * config/darwin.c: ... here.
6374 * config/darwin.h (darwin_ms_struct): Declare.
6376 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6378 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6380 2006-04-28 Roger Sayle <roger@eyesopen.com>
6383 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6384 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6385 an unsigned HOST_WIDE_INT.
6386 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6388 (really_start_incremental_init): No need to call convert because
6389 bitsize_zero_node is already of type bitsizetype.
6390 (push_init_level): Extract the value of constructor_index as an
6391 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6392 (process_init_element): Likewise.
6394 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6396 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6397 value before passing to make_relative_prefix.
6399 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6402 * builtins.c (expand_builtin_memset): Expand val in original mode.
6404 2006-04-27 Eric Christopher <echristo@apple.com>
6406 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6407 with #ifndef/#endif.
6408 * config/darwin-c.c (darwin_ms_struct): New.
6409 (darwin_pragma_ms_struct): Ditto.
6410 (darwin_set_default_type_attributes): Ditto.
6411 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6412 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6413 Register ms_struct pragma.
6414 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6415 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6416 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6417 darwin_set_default_type_attributes if TARGET_MACHO.
6419 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6421 PR tree-optimization/26854
6422 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6423 * doc/tree-ssa.texi: Update immuse iterator documentation.
6424 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6425 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6426 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6427 first_safe_imm_use, next_safe_imm_use): Remove.
6428 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6429 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6430 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6431 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6432 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6433 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6434 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6435 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6436 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6437 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6438 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6439 (perfect_nestify): Use new iterator.
6440 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6442 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6443 (next_imm_name): New field in struct immediate_use_iterator_d.
6444 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6445 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6446 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6447 * tree-cfg.c (replace_uses_by): Use new iterator.
6448 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6449 * tree-ssa-operands.c (correct_use_link): Remove.
6450 (finalize_ssa_use_ops): No longer call correct_use_link.
6452 2006-04-27 Stuart Hastings <stuart@apple.com>
6454 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6455 * config/t-darwin (crt3.o): Use it.
6456 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6457 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6458 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6459 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6460 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6463 2006-04-27 Roger Sayle <roger@eyesopen.com>
6465 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6466 size, force the intermediate into a new pseudo rather instead of
6467 performing both a bitwise AND and a bitwise IOR in memory.
6469 2006-04-27 Richard Guenther <rguenther@suse.de>
6471 PR rtl-optimization/26685
6472 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6473 this one "max-flow-memory-locations".
6475 2006-04-27 Richard Guenther <rguenther@suse.de>
6477 PR tree-optimization/25148
6478 * tree-vrp.c (compare_values): Remove code dealing with
6479 comparisons against type min/max value. Honour overflow
6480 and negative constants in code dealing with comparisons
6481 of plus and minus expressions.
6482 (value_inside_range): Use fold_binary with LE_EXPR and
6483 GE_EXPR rather than compare_values.
6485 2006-04-27 Dirk Mueller <dmueller@suse.de>
6487 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6490 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6492 * basic-block.h (safe_insert_insn_on_edge): Removed.
6493 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6495 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6496 Paolo Bonzini <bonzini@gnu.org>
6499 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6500 (simplify_and_const_int): Same.
6502 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6504 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6506 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6509 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6510 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6511 cgraph_global_info_ready.
6514 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6517 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6518 either decl or init is error_mark_node.
6521 * tree-flow.h (struct omp_region): Add sched_kind.
6522 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6523 instead of extracting omp for data.
6524 (expand_omp_for): Save extracted sched_kind.
6526 2006-04-25 Roger Sayle <roger@eyesopen.com>
6528 * expmed.c (store_bit_field): Also check whether the bitsize is
6529 valid for the machine's "insv" instruction before moving the
6530 target into a pseudo for use with the insv.
6531 * config/i386/predicates.md (const8_operand): New predicate.
6532 * config/i386/i386.md (extv, extzv, insv): Use the new
6533 const8_operand predicate where appropriate.
6535 2006-04-25 DJ Delorie <dj@redhat.com>
6537 * doc/install.texi (Specific): Clarify that this is not a list of
6538 supported hosts or targets.
6540 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6542 PR rtl-optimization/26725
6543 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6544 block's BB_DIRTY flag.
6546 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6548 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6551 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6552 to print an integer.
6554 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6556 * varasm.c (align_variable): New function.
6557 (get_block_for_decl): Apply align_variable to DECL before
6558 calculating section information.
6559 (assemble_variable): Split out alignment computation.
6561 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6563 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6566 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6568 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6569 MODE_PARTIAL_INT mode.
6570 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6571 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6573 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6574 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6576 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6578 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6580 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6581 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6582 MACFLAG_IH): Likewise.
6583 (movstricthi_1): Renamed from "*movstricthi".
6584 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6585 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6586 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6587 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6588 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6589 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6590 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6591 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6592 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6593 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6594 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6595 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6596 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6597 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6598 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6600 * doc/rtl.texi (ss_ashift): Improve wording.
6602 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6604 * dwarf2out.c (verify_marks_clear): New.
6605 (prune_unused_types): Call verify_marks_clear initially, not
6608 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6610 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6611 * doc/rtl.texi: Document them.
6612 * simplify-rtx.c (simplify_unary_operation,
6613 simplify_binary_operation_1): Don't abort when we see them.
6615 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6618 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6619 * configure.ac: Completely disregard languages that are not
6621 * configure: Regenerated.
6623 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6624 Richard Guenther <rguenther@suse.de>
6626 PR tree-optimization/27236
6627 * tree-inline.c (copy_body_r): Make sure to copy
6628 TREE_THIS_VOLATILE flag.
6630 2006-04-24 Richard Guenther <rguenther@suse.de>
6633 * tree-complex.c (update_parameter_components): Don't handle
6634 unused parameters which have no default def.
6636 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6637 Richard Guenther <rguenther@suse.de>
6639 PR tree-optimization/27218
6640 * tree-inline.c (expand_call_inline): Strip useless type
6641 conversions for the return slot address.
6643 2006-04-24 Richard Guenther <rguenther@suse.de>
6645 * cfgloop.h (struct loops): Remove unused field array. Reorder
6647 (LOOP_PREFETCH): Remove.
6649 2006-04-24 Richard Guenther <rguenther@suse.de>
6651 PR tree-optimization/22525
6652 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6653 variable, adjust types of generated expressions.
6655 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6657 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6658 (tree-vect-patterns.o): Likewise.
6660 (cselib.o): Likewise.
6661 (loop-doloop.o): Likewise.
6662 (regclass.o): Likewise.
6663 (reload1.o): Likewise.
6664 (explow.o): Replace target.h with $(TARGET_H).
6665 (ipa-prop.o): Likewise.
6666 (ipa-cp.o): Likewise.
6667 (ipa-inline.o): Likewise.
6668 (reorg.o): Likewise.
6669 (reg-stack.o): Likewise.
6671 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6673 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6675 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6677 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6679 * configure.ac: Completely disregard languages that are not
6681 * configure: Regenerated.
6684 * c-common.h (c_build_bitfield_integer_type): Declare.
6685 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6686 * c-common.c (c_build_bitfield_integer_type): ... here.
6688 2006-04-23 Roger Sayle <roger@eyesopen.com>
6691 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6692 a SImode SUBREG of a floating point register after no_new_pseudos.
6694 2006-04-23 Roger Sayle <roger@eyesopen.com>
6696 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6697 identify potentially eliminable registers to additionally catch
6698 VIRTUAL_INCOMING_ARGS_REGNUM.
6699 (addsi3): Update the conditions on when to use addsi_small_int.
6701 2006-04-23 Roger Sayle <roger@eyesopen.com>
6704 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6705 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6706 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6708 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6710 * fold-const.c (range_predecessor): Use operand_equal_p
6711 as the predicate for equality.
6712 (range_successor): Likewise.
6714 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6717 * config/soft-fp/op-common.h: Fix a typo.
6719 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6722 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6723 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6725 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6727 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6729 * doc/tm.texi: Fix a typo.
6731 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6733 * dwarf2out.c (struct die_struct): Document that die_sib makes
6734 a circular linked list.
6735 (FOR_EACH_CHILD): New.
6736 (reverse_die_lists): Delete.
6737 (reverse_all_dies): Delete.
6738 (add_dwarf_attr): Correct documentation.
6739 (remove_child_with_prev): New.
6740 (remove_child_TAG): Update for change to die_struct, use
6741 remove_child_with_prev.
6742 (add_child_die): Update for change to die_struct.
6743 (splice_child_die): Use remove_child_with_prev and add_child_die.
6744 (print_die): Use FOR_EACH_CHILD.
6745 (die_checksum): Likewise.
6746 (assign_symbol_names): Likewise.
6747 (output_location_lists): Likewise.
6748 (build_abbrev_table): Likewise.
6749 (calc_die_sizes): Likewise.
6750 (mark_dies): Likewise.
6751 (unmark_dies): Likewise.
6752 (unmark_all_dies): Likewise.
6753 (output_die): Likewise.
6754 (prune_unused_types_mark): Likewise.
6755 (prune_unused_types_walk): Likewise.
6756 (same_die_p): Update for change to die_struct.
6757 (break_out_includes): Likewise.
6758 (prune_unused_types_prune): Likewise.
6759 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6760 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6762 (dwarf2out_finish): Don't call reverse_all_dies.
6764 2006-04-21 Eric Christopher <echristo@apple.com>
6766 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6767 in comments and function names.
6769 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6772 * c-typeck.c (digest_init): Robustify.
6774 * c-typeck.c (pop_init_level): Simplify.
6776 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6778 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6780 2006-04-21 Paul Brook <paul@codesourcery.com>
6782 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6783 hardware floating point.
6785 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6787 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6790 2006-04-21 Nick Clifton <nickc@redhat.com>
6792 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6795 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6798 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6799 C++ lang type in traceback table for Objective-C++.
6801 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6803 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6805 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6807 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6810 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6811 were errors. Remove check for erroneous objects.
6813 2006-04-20 Jeff Law <law@redhat.com>
6815 PR tree-optimization/26854
6816 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6817 checking for zero or one use.
6818 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6819 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6820 * tree-ssa-reassoc.c (negate_value): Similarly.
6821 (reassociate_bb): Similarly.
6823 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6825 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6826 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6827 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6829 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6831 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6832 fp regs if the last fp arg doesn't fit in regs.
6834 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6837 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6838 that the last insn has the REG_INC note.
6840 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6841 Nathan Sidwell <nathan@codesourcery.com>
6844 * stor-layout.c (update_alignment_for_field): Do not align
6846 (place_union_field): Place union field at the start of the union.
6847 (place_field): Move ERROR_MARK check later, and use the current
6848 allocation position to maintain monotonicity.
6850 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6852 * dominance.c: Include timevar.h.
6853 (calculate_dominance_info): Use TV_DOMINANCE.
6854 * timevar.def (TV_DOMINANCE): New timevar.
6855 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6857 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6859 PR rtl-optimization/14261
6860 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6861 move would be an INSV insn.
6862 (noce_process_if_block): Don't optimize if the destination is a
6863 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6865 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6867 * config/s390/s390.md: Add comments with the instructions emitted
6868 by an insn pattern if macros are used.
6870 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6872 PR rtl-optimization/26026
6873 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6874 is a known power of two shifted left a variable amount.
6876 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6878 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6879 to hash table twice when the debug_str section has SECTION_MERGE.
6881 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6883 * config/soft-fp: New directory. From glibc.
6884 * config/soft-fp/t-softfp: New.
6885 * config/soft-fp/README: New.
6886 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6887 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6888 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6889 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6890 * config.gcc: Use rs6000/t-fprules-fpbit or
6891 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6893 * config/rs6000/sfp-machine.h: New. Based on glibc.
6894 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6896 * config/rs6000/t-fprules: Remove fp-bit rules.
6897 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6898 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6899 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6900 (softfp_wrap_start, softfp_wrap_end): New.
6902 2006-04-18 DJ Delorie <dj@redhat.com>
6904 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6906 2006-04-18 Devang Patel <dpatel@apple.com>
6908 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6910 2006-04-18 Nick Clifton <nickc@redhat.com>
6912 * config/sh/t-symbian: Add rule to build sh-c.o
6913 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6914 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6915 (sh_symbian_encode_section_info): Likewise.
6917 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6919 * builtins.c (expand_builtin_strcmp): Cover label definition of
6920 do_libcall with HAVE_cmpstrnsi.
6922 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6924 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6926 * function.h (temp_slot_p): New.
6927 (function): Change the type of x_used_temp_slots to
6928 VEC(temp_slot_p,gc) *.
6930 2006-04-18 Nick Clifton <nickc@redhat.com>
6932 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6933 flag_strength_reduce.
6935 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6937 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6941 Partial revert of revision 112637
6942 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6943 Dale Johannesen <dalej@apple.com>
6946 * regclass.c (struct reg_pref): Update documentation.
6947 (regclass): Set prefclass to NO_REGS if memory is the best option.
6948 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6950 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6952 PR tree-optimization/26821
6953 * tree-ssa-math-opts.c (get_constant_one): New.
6954 (insert_reciprocals): Use it.
6956 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6958 * dwarf2out.c (free_AT): Delete.
6959 (remove_AT): Update string ref counts.
6960 (remove_child_TAG): Don't call free_die.
6962 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6963 or DW_TAG_GNU_EINCL.
6964 (prune_unused_types_walk_attribs): Reset string refcounts.
6965 (prune_unused_types_update_strings): New.
6966 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6967 call free_die. Do call prune_unused_types_update_strings.
6968 (prune_unused_types): Empty debug_str_hash.
6970 2006-04-17 Roger Sayle <roger@eyesopen.com>
6972 * expr.c (expand_assignment): Optimize away no-op moves where the
6973 source and destination are equal and have no side-effects.
6975 2006-04-17 Richard Guenther <rguenther@suse.de>
6978 * reload.c (push_reload): Guard calls to get_secondary_mem
6981 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6983 * alias.c (reg_base_value, old_reg_base_value): Change the
6984 type to VEC(rtx,gc) *.
6985 (REG_BASE_VALUE, find_base_value, record_set,
6986 init_alias_analysis): Use VEC instead of VARRAY.
6988 * alias.c (alias_sets): Change the type to
6989 VEC(alias_set_entry,gc) *.
6990 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6991 VEC instead of VARRAY.
6992 (last_alias_set): Remove.
6994 * cgraph.h (cgraph_edge_p): New.
6995 Update the prototype of cgraph_function_versioning.
6996 * cgraphunit.c (cgraph_copy_node_for_versioning,
6997 cgraph_function_versioning): Use VEC instead of VARRAY.
6998 * ipa-cp.c (ipcp_insert_stage): Likewise.
7000 2006-04-16 Roger Sayle <roger@eyesopen.com>
7003 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7004 "A op B" or "A op C", we may need to convert A to the type of B and C.
7006 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7008 * target.h (struct gcc_target): Add mode_rep_extended.
7009 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7010 (init_num_sign_bit_copies_in_rep): Initialize it using
7012 (truncate_to_mode): Use it.
7013 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7014 * targhooks.h (default_mode_rep_extended): Declare it.
7015 * targhooks.c (default_mode_rep_extended): Define it.
7016 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7017 default_mode_rep_extended.
7018 (TARGET_INITIALIZER): Include it.
7019 * doc/tm.texi (Misc): Document it.
7020 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7021 (mips_truncated_to_mode): New function.
7023 2006-04-16 Roger Sayle <roger@eyesopen.com>
7026 * expr.c (compress_float_constant): Copy the narrow constant into
7027 a new pseudo before extending it to its final width.
7029 2006-04-16 Roger Sayle <roger@eyesopen.com>
7030 Andrew Pinski <pinskia@gcc.gnu.org>
7031 Dale Johannesen <dalej@apple.com>
7034 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7035 special case code to implement V8HImode and V16QImode with SSE2.
7037 2006-04-15 Roger Sayle <roger@eyesopen.com>
7039 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7040 trees are constructed with a suitable tree type.
7042 2006-04-15 Roger Sayle <roger@eyesopen.com>
7044 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7045 (integer_onep): Likewise.
7046 (integer_all_onesp): Likewise.
7047 (integer_pow2p): Likewise.
7048 (integer_nonzerop): Likewise.
7049 (real_zerop): Likewise.
7050 (real_onep): Likewise.
7051 (real_twop): Likewise.
7052 (real_minus_onep): Likewise.
7053 (int_size_in_bytes): Likewise.
7054 (host_integerp): Likewise.
7056 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7058 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7059 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7060 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7062 * tree-ssa-structalias.h (alias_info): Remove num_references.
7064 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7066 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7067 (output_bvb patterns): Likewise.
7068 * pa.c (output_bb): Use 'bb' insn for long branch case.
7069 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7070 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7071 1. Correct length operand for alternatives 1 and 2.
7072 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7073 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7075 2006-04-14 Roger Sayle <roger@eyesopen.com>
7077 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7078 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7079 were accidentally reverted by r112959.
7081 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7084 * except.h (eh_region_outermost): New prototype.
7085 * except.c (eh_region_outermost): New function.
7086 * tree-cfg.c (find_outermost_region_in_block): Use it.
7088 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7090 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7092 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7093 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7094 (init_reload, reload): Use VEC instead of VARRAY.
7095 * reload.h: Update the prototype for
7096 reg_equiv_memory_loc_varray.
7098 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7099 Eric Botcazou <ebotcazou@libertysurf.fr>
7101 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7104 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7107 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7108 to expand fallback builtin function call.
7110 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7113 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7114 and emit libcall here in case the builtin fails.
7115 (expand_builtin_strcmp): Always emit the libcall here on failure.
7117 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7119 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7120 * flow.c (reg_n_info): Change the type to
7121 VEC(reg_info_p,heap) *.
7122 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7124 * regs.h (reg_info_p): New.
7125 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7126 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7127 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7130 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7132 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7134 * params.h (MAX_SCHED_READY_INSNS): New macro.
7135 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7136 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7137 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7138 the ready list for 1 cycle during the first scheduling pass.
7139 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7141 2006-04-13 Richard Henderson <rth@redhat.com>
7144 * gimple-low.c (lower_omp_directive): Remove dead code.
7145 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7146 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7147 * omp-low.c (struct omp_region): Move to tree-flow.h.
7148 (root_omp_region): Export.
7149 (omp_regions, lookup_omp_region): Remove.
7150 (determine_parallel_type): Update for struct omp_region changes.
7151 (dump_omp_region): Dump regions with block numbers.
7152 (new_omp_region): Take type and block instead of stmt; malloc
7154 (free_omp_region_1, free_omp_regions): New.
7155 (expand_parallel_call): Take entry_stmt as argument; update for
7156 changes to omp_region.
7157 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7158 (remove_exit_barriers): New.
7159 (expand_omp_parallel): Update for struct omp_region changes.
7160 (expand_omp_synch): Likewise.
7161 (expand_omp): Likewise.
7162 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7163 (expand_omp_for_static_chunk): Likewise.
7164 (expand_omp_for): Likewise.
7165 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7166 (expand_omp_sections): Similarly, with GOMP_sections_end.
7167 (expand_omp_single): New.
7168 (build_omp_regions_1): Update for OMP_CONTINUE.
7169 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7170 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7171 OMP_SECTIONS_SECTIONS.
7172 (lower_omp_single_simple): Don't emit barrier here.
7173 (lower_omp_single_copy): Likewise.
7174 (lower_omp_single): Fix bindings, and lower to straightline now.
7175 (lower_omp_master, lower_omp_ordered): Likewise.
7176 (lower_omp_critical): Likewise.
7177 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7178 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7179 omp edges, free it afterward.
7180 (make_omp_sections_edges): Remove.
7181 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7182 (move_stmt_r): Handle OMP_CONTINUE.
7183 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7184 statement pointers to basic blocks. Add type member.
7185 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7186 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7187 * tree-inline.c (estimate_num_insns_1): Likewise.
7188 * tree-pretty-print.c (dump_generic_node): Likewise.
7189 * tree-ssa-operands.c (get_expr_operands): Likewise.
7190 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7191 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7192 (OMP_CONTINUE): New.
7193 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7194 (OMP_SECTIONS_SECTIONS): Remove.
7195 (OMP_SECTION_LAST): New.
7196 (OMP_RETURN_NOWAIT): New.
7198 2006-04-13 Roger Sayle <roger@eyesopen.com>
7200 * fold-const.c (native_encode_vector, native_interpret_real):
7201 Correct obvious mistakes in the previous check-in.
7203 2006-04-13 Roger Sayle <roger@eyesopen.com>
7205 * fold-const.c (native_encode_expr): New function to encode
7206 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7207 or VECTOR_CST into a specified buffer.
7208 (native_encode_int): New function.
7209 (native_encode_real): New function.
7210 (native_encode_complex): New function.
7211 (native_encode_vector): New function.
7212 (native_interpret_expr): Inverse of native_encode_expr to convert
7213 a target representation into an INTEGER_CST, REAL_CST etc...
7214 (native_interpret_int): New function.
7215 (native_interpret_real): New function.
7216 (native_interpret_complex): New function.
7217 (native_interpret_vector): New function.
7218 (fold_view_convert_expr): New function to constant fold/evaluate
7219 a VIEW_CONVERT_EXPR of a suitable constant expression.
7220 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7221 Change call of build1 to fold_build1 when constructing a
7224 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7225 Ulrich Weigand <uweigand@de.ibm.com>
7228 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7231 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7234 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7235 optimize to lo_sum for DFmode if !TARGET_FPRS.
7237 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7239 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7240 delete_alias_info, compute_flow_sensitive_aliasing,
7241 group_aliases): Use VEC instead of VARRAY.
7242 * tree-ssa-structalias.c (update_alias_info): Likewise.
7243 * tree-ssa-structalias.h (alias_info): Change the type of
7244 processed_ptrs to VEC(tree,heap) *.
7246 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7249 * config/sh/lib1funcs.h: New file, broken out of:
7250 * config/sh/lib1funcs.asm.
7251 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7253 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7254 * config/sh/lib1funcs-Os-4-200.asm: New file.
7255 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7256 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7257 (EXTRA_MULTILIB_PARTS): Include it.
7258 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7259 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7260 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7261 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7264 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7266 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7267 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7268 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7270 * tree-ssa-live.h: Include vecprim.h.
7271 (tree_partition_associator_d): Change the type of
7272 first_partition to VEC(int,heap) *.
7273 (tpa_first_partition): Use VEC instead of VARRAY.
7275 * Makefile.in (GTFILES): Move functions.h after tree.h.
7276 * function.c (reset_block_changes, record_block_change,
7277 check_block_change, free_block_changes): Use VEC instead of
7279 * function.h (function): Change the type of
7280 ib_boundaries_block to VEC(tree,gc) *.
7281 * tree-inline.c (copy_cfg_body): Initialize
7282 ib_boundaries_block to NULL instead of (varray_type) 0.
7284 2006-04-12 Roger Sayle <roger@eyesopen.com>
7286 * expr.c (emit_group_store): Correct operand order in call to
7287 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7288 a SUBREG_BYTE of zero.
7290 2006-04-12 Richard Guenther <rguenther@suse.de>
7292 * profile.c (compute_branch_probabilities): Remove code
7293 encapsulated in !ir_type (), which are remanents of the
7294 removed RTL profiling code.
7295 * rtl-profile.c: Remove.
7297 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7299 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7300 magic NULL_RTX comment.
7301 (function_arg): Store entire fp arg to mem if any part should go
7303 (rs6000_arg_partial_bytes): Adjust for above change.
7305 2006-04-11 Roger Sayle <roger@eyesopen.com>
7307 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7308 if it hasn't been initialized by dwarf2out_init.
7310 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7312 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7313 symbolic constants in branch patterns.
7315 2006-04-11 Roger Sayle <roger@eyesopen.com>
7317 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7319 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7321 PR rtl-optimization/27073
7322 * gcse.c (try_replace_reg): Revert last change. Continue to search
7323 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7326 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7328 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7329 aggregate types other than record and union types.
7330 (function_arg): Likewise.
7331 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7333 (function_value): In 64-bit mode, return objects that require it
7336 2006-04-11 Roger Sayle <roger@eyesopen.com>
7338 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7340 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7342 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7344 2006-04-03 Jeff Law <law@redhat.com>
7347 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7348 alias information too.
7350 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7352 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7354 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7357 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7358 (premark_used_types_helper): New.
7359 (premark_used_types): New.
7360 (gen_subprogram_die): Call premark_used_types.
7361 (prune_unused_types_walk): Do not prune perennial dies.
7362 * function.c (used_types_insert): New.
7363 * function.h (struct function): Add used_types_hash field.
7364 (used_types_insert): Add prototype.
7365 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7366 * c-parser.c (c_parser_cast_expression): Save casted types in used
7369 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7372 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7373 rs6000_explicit_options.float_gprs.
7375 2006-04-10 Roger Sayle <roger@eyesopen.com>
7377 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7378 from ix86_expand_vector_init_low_nonzero. Take an additional
7379 one_var argument indicating which element is non-zero. Support
7380 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7381 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7382 with one_var instead of ix86_expand_vector_init_low_nonzero.
7384 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7386 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7387 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7388 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7389 build/genextract.o): Depend on vecprim.h.
7390 * cfglayout.c, df-problems.c, function.c, genextract.c,
7391 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7392 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7396 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7398 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7399 Declare VECs of this type.
7400 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7401 (remove_children): Delete.
7402 (add_dwarf_attr): Use VEC routines.
7403 (add_AT_flag): Update for changes to add_dwarf_attr.
7404 (add_AT_int): Likewise.
7405 (add_AT_unsigned): Likewise.
7406 (add_AT_long_long): Likewise.
7407 (add_AT_vec): Likewise.
7408 (add_AT_string): Likewise.
7409 (add_AT_die_ref): Likewise.
7410 (add_AT_fde_ref): Likewise.
7411 (add_AT_loc): Likewise.
7412 (add_AT_loc_list): Likewise.
7413 (add_AT_addr): Likewise.
7414 (add_AT_lbl_id): Likewise.
7415 (add_AT_lineptr): Likewise.
7416 (add_AT_macptr): Likewise.
7417 (add_AT_offset): Likewise.
7418 (add_AT_range_list): Likewise.
7419 (get_AT): Use VEC_iterate.
7420 (remove_AT): Use VEC_ordered_remove.
7421 (free_die): Fold remove_children into here; have it use VEC_iterate.
7422 (print_die): Use VEC_iterate on attrs.
7423 (reverse_die_lists): Don't reverse attr lists.
7424 (die_checksum): Use VEC_iterate on attrs.
7425 (same_die_p): Likewise.
7426 (output_location_lists): Likewise.
7427 (build_abbrev_table): Likewise.
7428 (size_of_die): Likewise.
7429 (unmark_all_dies): Likewise.
7430 (output_abbrev_section): Likewise.
7431 (output_die): Likewise.
7432 (prune_unused_types_walk_attribs): Likewise.
7434 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7436 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7438 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7441 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7443 2006-04-09 Roger Sayle <roger@eyesopen.com>
7445 * expr.c (store_constructor): Don't bother clearing target if
7446 we're about to assign a vector to it using vec_init_optab.
7448 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7450 * tree-ssa-alias.c (lhs_may_store_to): New function.
7451 (recalculate_used_alone): Handle LHS of calls.
7453 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7457 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7458 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7459 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7460 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7461 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7462 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7463 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7464 stubs. Add ".align 8" directives before all ".dword" directives.
7465 (GTHREAD_USE_WEAK): Revise comment.
7466 (TARGET_ATTRIBUTE_WEAK): Define.
7467 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7468 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7469 * stublib.c: New file.
7474 * pa.md (cbranch patterns): Revise arguments used in calls to
7475 output_cbranch, output_bb and output_bvd. Add long branch length
7477 (fbranch patterns): Handle long branches.
7478 (jump): Revise length check. Revise arguments for output_lbranch call.
7479 Add long branch length attributes.
7480 (decrement_and_branch_until_zero): Add long branch length attributes.
7481 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7482 Likewise. Revise arguments for output_parallel_addb and
7483 output_parallel_movb calls.
7484 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7485 output_parallel_movb and output_parallel_addb): Update prototypes.
7486 * pa.c (output_cbranch): Revise arguments. Correct handling of
7487 nullification in long branches.
7488 (output_lbranch): Add new argument to control extraction of delay
7490 (output_bb): Handle long branches.
7491 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7492 output_parallel_addb): Likewise.
7494 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7496 PR rtl-optimization/27073
7497 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7500 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7502 * tree.h (tree_memory_tag): Add old_used_alone.
7503 (SMT_OLD_USED_ALONE): New macro.
7504 * tree-ssa-alias.c (recalculate_used_alone): Stop
7505 marking things for renaming unnecessarily.
7507 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7509 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7510 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7511 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7512 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7513 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7514 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7515 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7516 spelling convensions.
7517 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7518 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7519 typos. Follow spelling conventions.
7521 2006-04-07 DJ Delorie <dj@redhat.com>
7523 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7524 passed on the stack.
7525 (m32c_init_cumulative_args): When a function returns a structure,
7526 always pass the pointer to that return area on the stack.
7527 (m32c_function_arg_advance): Don't increment the parameter number
7528 if we're processing the returned structure pointer.
7529 (pushm_info): Reverse order of registers.
7531 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7533 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7534 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7535 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7536 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7538 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7539 chrec_fold_multiply): Same.
7540 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7541 force_expr_to_var_cost): Same.
7542 * tree-mudflap.c (mf_xform_derefs_1): Same.
7543 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7545 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7547 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7548 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7551 2006-04-07 Jan Hubicka <jh@suse.cz>
7553 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7555 2006-04-07 Richard Guenther <rguenther@suse.de>
7557 PR tree-optimization/26135
7558 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7559 loads for store copy-prop.
7560 (copy_prop_visit_stmt): Likewise.
7562 2006-04-05 Robert Millan <robertmh@gnu.org>
7564 * config/i386/linux.h: Add a comment to mark macros that are
7565 being overriden in config/k*bsd-gnu.h.
7566 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7568 * config/knetbsd-gnu.h: Ditto.
7570 2006-04-06 Jan Hubicka <jh@suse.cz>
7574 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7577 2006-04-06 Mike Stump <mrs@apple.com>
7579 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7580 for HAVE_nonlocal_goto to be consistent.
7581 (expand_builtin_nonlocal_goto): Likewise.
7582 (expand_builtin_strcmp): Use #ifdef instead of #if
7583 for HAVE_cmpstrnsi to be consistent.
7585 2006-04-05 DJ Delorie <dj@redhat.com>
7587 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7590 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7592 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7593 got-relative addressing for anything but SImode.
7595 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7596 even if the calling function doesn't modify them.
7598 2006-04-05 Richard Guenther <rguenther@suse.de>
7600 PR tree-optimization/26919
7601 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7602 to cgraph_estimate_size_after_inlining.
7604 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7606 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7608 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7610 PR tree-optimization/26996
7611 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7612 VECTOR_TYPE variables.
7614 2006-04-05 Richard Guenther <rguenther@suse.de>
7616 PR tree-optimization/26763
7617 * fold-const.c (fold_comparison): Move folding of
7618 PTR + CST CMP PTR + CST ...
7619 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7621 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7623 * doc/install.texi (Prerequisites): Refine some wording on
7624 bootstrapping and ksh.
7625 Move the version numbers of DejaGnu here from the testing section
7626 and fix casing of names.
7627 Fix markup and clarify wording for autogen requirements.
7628 Refer to GCJ instead of just java.
7629 Refer to SVN instead of CVS.
7630 Describe diffutils as useful instead of necessary.
7631 (Downloading the source): Refer to SVN instead of CVS.
7632 Adjust a link to our web site accordingly.
7633 (Configuration): Fix casing of Bison.
7634 (Building): Refer to SVN instead of CVS.
7635 Fix a sentence on the use of Bison and remove duplicate (and
7636 incorrect) version number of Bison requirement.
7637 Remove one redundant list of packages needed for building.
7638 (Specific): Avoid reference to CVS.
7640 2006-04-04 Eric Christopher <echristo@apple.com>
7642 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7643 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7644 (rs6000_handle_struct_attribute): New.
7645 (rs6000_ms_bitfield_layout_p): Ditto.
7647 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7649 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7650 NULL for dso parameter to atexit_common.
7652 2006-04-04 Eric Christopher <echristo@apple.com>
7654 * config/i386/i386.c (machopic_output_stub): Output \t
7655 between instructions and operands.
7657 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7659 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7660 satisfies_constraint_[IL] to explicit tests on value.
7662 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7664 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7665 set_nb_iterations_in_loop): Use build_int_cst instead of
7667 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7668 build_int_cst instead of convert.
7670 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7672 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7673 new value 2 for incoming.
7674 * function.c (expand_function_start): Call struct_value_rtx
7676 * config/sparc/sparc.md: Comment updated_return.
7677 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7678 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7679 struct return if sparc_std_struct_return and incoming is 2.
7680 (print_operand): Do not adjust return if
7681 sparc_std_struct_return.
7683 2006-04-04 Roger Sayle <roger@eyesopen.com>
7685 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7686 convert in the middle-end.
7687 * expr.c (store_expr, store_constructor, get_inner_reference,
7688 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7690 * tree.c (build_range_type): Likewise.
7692 2006-04-04 Tom Tromey <tromey@redhat.com>
7694 * doc/install.texi (Prerequisites): Mention jar.
7696 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7698 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7701 2006-04-04 Matthias Klose <doko@debian.org>
7703 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7707 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7710 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7712 * doc/extend.texi (Function Attributes): Rewrite visibility
7713 attribute documentation.
7714 * doc/invoke.texi (C++ Dialect Options): Rewrite
7715 -fvisibility-inlines-hidden documentation to describe something
7716 entirely different, although in practise compatible.
7717 (Code Gen Options): Warn about system headers in -fvisibility=
7720 * doc/extend.texi (Other Builtins): Document that
7721 __builtin_nan is a compile-time constant only when its argument
7724 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7726 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7727 trying to remove TRUNCATE check if all bits outside the new mode
7728 are identical to the sign bit.
7730 2006-04-03 Jeff Law <law@redhat.com>
7732 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7733 and operand scanning in some common cases.
7735 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7736 Dale Johannesen <dalej@apple.com>
7739 * regclass.c (struct reg_pref): Update documentation.
7740 (regclass): Set prefclass to NO_REGS if memory is the best option.
7741 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7742 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7743 into account. For non-registers, equate an empty preferred
7744 reload class to a `!' in the constraint; move the if clause to
7745 do so after those that reject the insn.
7746 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7748 (find_dummy_reload): Likewise.
7749 * doc/tm.texi (Register Classes): Document what it means
7750 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7751 * config/i386/i386.c (ix86_preferred_reload_class): Force
7752 using SSE registers (and return NO_REGS for floating-point
7753 constants) if math is done with SSE.
7754 (ix86_preferred_output_reload_class): New.
7755 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7756 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7757 * config/i386/i386.md: Remove # register preferences.
7759 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7762 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7763 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7764 the type of nb_iter.
7765 (instantiate_parameters_1): Convert the operands before calling
7766 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7767 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7769 2006-04-02 Roger Sayle <roger@eyesopen.com>
7771 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7772 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7774 * dojump.c (do_jump): Likewise.
7775 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7776 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7777 gimplify_boolean_expr): Likewise.
7778 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7779 * varasm.c (array_size_for_constructor): Likewise.
7780 * tree-object-size.c (compute_object_offset): Likewise.
7782 2006-04-02 Roger Sayle <roger@eyesopen.com>
7785 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7786 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7788 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7790 PR tree-optimization/26939
7791 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7793 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7795 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7796 at_stmt. Convert the type of operands before calling
7797 build_polynomial_chrec.
7798 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7800 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7801 (instantiate_parameters_1): Convert the type of operands before calling
7802 build_polynomial_chrec.
7803 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7804 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7805 reset_evolution_in_loop): Insert asserts to check the types of the
7807 (chrec_type): Moved...
7808 (eq_evolutions_p): Use operand_equal_p.
7809 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7810 the types of the operands.
7811 (chrec_type): ...here.
7812 * tree-data-ref.c (create_data_ref): Convert the operands before
7813 calling chrec_replace_initial_condition.
7814 (same_access_functions, analyze_subscript_affine_affine,
7815 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7816 (compute_subscript_distance, analyze_ziv_subscript,
7817 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7818 analyze_miv_subscript): Convert the operands before calling
7819 chrec_fold_minus or chrec_fold_plus.
7821 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7823 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7824 the dependence_relations vector.
7825 (compute_data_dependences_for_loop): Adjust call to
7826 compute_all_dependences.
7828 2006-04-01 Roger Sayle <roger@eyesopen.com>
7829 Richard Henderson <rth@redhat.com>
7831 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7832 gimple_boolify on the condition before calling gimplify_expr.
7834 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7836 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7837 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7838 the frame size. Update to use the new macros.
7839 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7840 * config/xtensa/ieee754-df.S: Likewise.
7842 2006-03-31 Richard Henderson <rth@redhat.com>
7844 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7845 (make_edges): ... here. Control fallthru creation with a local
7846 variable. Do not play with fake edges.
7847 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7848 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7851 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7853 * dwarf2.h (DW64_CIE_ID): Define.
7854 * dwarf2out.c (DWARF_CIE_ID): Define.
7855 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7856 length header. Use DWARF_CIE_ID.
7857 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7858 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7860 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7862 * config/sh/linux-atomic.asm: New file.
7863 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7865 2006-03-31 DJ Delorie <dj@redhat.com>
7867 * config/m32c/cond.md: Set condition flags properly throughout.
7868 * config/m32c/minmax.md: Likewise.
7869 * config/m32c/prologue.md: Likewise.
7870 * config/m32c/bitops.md: Likewise.
7871 * config/m32c/muldiv.md: Likewise.
7872 * config/m32c/mov.md: Likewise.
7873 * config/m32c/addsub.md: Likewise.
7874 * config/m32c/m32c.md: Likewise.
7875 * config/m32c/jump.md: Likewise.
7876 * config/m32c/shift.md: Likewise.
7878 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7879 conditionally output the pattern for this.
7880 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7881 (m32c_compare_redundant): New.
7882 (m32c_output_compare): New.
7883 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7885 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7886 dest, not src. Allow other 4-byte modes.
7888 2006-03-30 Denis Chertykov <denisc@overta.ru>
7890 * doc/md.texi: Refer to avr/constraints.md instead of
7893 2006-03-30 Roger Sayle <roger@eyesopen.com>
7895 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7896 signed vs. unsigned comparison failures on some hosts.
7898 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7901 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7902 change to FLOAT_REGS.
7904 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7905 (rs6000_override_options): Use it.
7906 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7907 only for -mabi=spe/no-spe and -mabi=altivec.
7909 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7911 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7914 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7916 * Makefile.in: Rename docdir to gcc_docdir.
7918 2006-03-30 Roger Sayle <roger@eyesopen.com>
7921 * expr.c (emit_group_store): Optimize group stores into a pseudo
7922 register by using a paradoxical subreg to initialize the destination
7923 if the first or last member of the group specifies a "low part".
7925 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7928 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7929 * target.h (struct gcc_target.speculate_insn): Change type of the
7930 second parameter to 'int'.
7931 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7932 the second operand of the DEPS_LIST.
7933 (copy_DEPS_LIST_list): Update reference to the second operand of the
7935 * rtl.h (alloc_DEPS_LIST): Update signature.
7936 * sched-int.h (ds_t): Change typedef to 'int'.
7937 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7939 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7941 * haifa-sched.c (try_ready): Change condition to restore
7942 non-speculative pattern of the instruction.
7943 (process_insn_depend_be_in_spec): Code to keep probability of the
7944 speculative dependence non-decreasing.
7946 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7948 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7949 (single_move_for_movmem): ... this. Also change all uses.
7950 (bfin_expand_strmov): Renamed to...
7951 (bfin_expand_movmem): ... this. Also change all uses.
7952 * config/bfin/bfin.md (movstrsi): Renamed to...
7953 (movstrsi): ...this.
7955 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7957 PR tree-optimization/26830
7959 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7960 (copy_prop_visit_stmt): Remove write-only variable ann.
7961 (init_copy_prop): Check variable loop depth here. Do not simulate
7962 memory-tag and virtual operand PHIs except for store copy prop.
7964 2006-03-30 Richard Guenther <rguenther@suse.de>
7966 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7967 variants with double arguments.
7969 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7971 * genpreds.c (write_tm_constrs_h): Delete variable p.
7972 * genconditions.c (write_header): Add tm-constrs.h to included
7974 * genpeep.c (main): Add toplev.h to included headers.
7975 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7976 (build/genpeep.o): Add toplev.h dependency.
7977 * config/rs6000/constraints.md: Add "W" constraint.
7979 2006-03-29 Roger Sayle <roger@eyesopen.com>
7981 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7982 sizes by correctly testing whether the size fits a host integer.
7983 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7984 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7985 SImode range for the default sizetype and bitsizetype.
7987 2006-03-29 Roger Sayle <roger@eyesopen.com>
7989 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7990 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7991 quickly if the argument is already of the correct type.
7992 Call fold_build1 instead of build1. Tidy up blank lines.
7994 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7996 * genemit.c (main): Add tm-constrs.h to included headers.
7997 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7998 * genpeep.c (main): Add tm-constrs.h to included headers.
7999 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8000 (write_tm_constrs_h): this and write complete file.
8001 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8002 (write_insn_preds_c): Add tm-constrs.h to included headers.
8003 (gen_constrs): New variable.
8004 (parse_option): Parse "-c".
8005 (main): Invoke write_tm_constrs_h.
8006 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8007 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8008 (object_out_file): Add tm-constrs.h dependency.
8009 (insn-emit.o): Same.
8010 (insn-output.o): Same.
8011 (insn-peep.o): Same.
8012 (insn-preds.o): Same.
8013 (insn-recog.o): Same.
8014 (tm-constsr.h): New target.
8015 (s-constrs-h): New target.
8017 * config/rs6000/constraints.md: New file.
8018 * config/rs6000/rs6000.c: Include tm-constrs.h.
8019 (num_insn_constant_wide): Convert to satisfies_constraint.
8020 (rs6000_rtx_costs): Convert to satisfies_constraint.
8021 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8022 (CONST_OK_FOR_LETTER_P): Delete.
8023 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8024 (EXTRA_CONSTRAINT): Delete.
8025 (EXTRA_MEMORY_CONSTRAINT): Delete.
8026 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8027 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8028 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8029 satisfies_constraint.
8031 * config/i386/i386.c: Include tm-constrs.h.
8033 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8035 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8036 * tree-data-ref.c (find_data_references_in_loop,
8037 compute_data_dependences_for_loop): Use pointers to VEC.
8038 (analyze_all_data_dependences): Adjust calls.
8039 * tree-data-ref.h (find_data_references_in_loop,
8040 compute_data_dependences_for_loop): Adjust declarations.
8041 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8042 compute_data_dependences_for_loop.
8044 2006-03-29 Paul Brook <paul@codesourcery.com>
8046 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8049 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8051 PR tree-optimization/26859
8052 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8054 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8055 for the step after fold_convert.
8057 2006-03-29 Paul Brook <paul@codesourcery.com>
8059 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8060 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8062 2006-03-29 Paul Brook <paul@codesourcery.com>
8065 * targhooks.c (default_narrow_bitfield): New fuction.
8066 * targhooks.h (default_narrow_bitfield): add prototype.
8067 * target.h (gcc_target): Add narrow_volatile_bitfield.
8068 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8069 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8070 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8071 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8073 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8075 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8077 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8078 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8079 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8080 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8081 (s390_function_arg_float): Allow SDmode and DDmode values to be
8082 passed in floating point registers.
8083 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8084 check with SCALAR_FLOAT_MODE_P.
8085 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8087 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8089 PR tree-optimization/25985
8090 * tree-ssa-loop-niter.c (number_of_iterations_le,
8091 number_of_iterations_ne): Make comments more precise.
8092 (number_of_iterations_cond): Add only_exit argument. Use the
8093 fact that signed variables do not overflow only when only_exit
8095 (loop_only_exit_p): New.
8096 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8097 number_of_iterations_cond.
8099 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8101 PR tree-optimization/26643
8102 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8105 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8107 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8108 (divsi3_i4_int): Likewise.
8110 2006-03-28 Roger Sayle <roger@eyesopen.com>
8112 * expr.c (emit_group_store): Only create a new pseudo reg if the
8113 quantity it needs to hold isn't already a suitable pseudo.
8115 2006-03-28 Jeff Law <law@redhat.com>
8117 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8118 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8120 2006-03-28 Roger Sayle <roger@eyesopen.com>
8122 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8123 the equivalent ~X & Y, and the symmetry related transformations.
8124 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8125 ~X & Y, and symmetry related transforms.
8127 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8129 Revert my 2006-03-27 patches.
8131 2006-03-28 Roger Sayle <roger@eyesopen.com>
8133 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8134 ~(T1)X, when T1 and T2 are integer types of the same precision
8135 and (T2)X isn't an extension.
8137 2006-03-28 Jeff Law <law@redhat.com>
8139 PR tree-optimization/26796
8140 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8141 need EH edge cleanups rather than purging them immediately.
8142 (eliminate_degenerate_phis): Handle queued EH cleanups.
8144 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8146 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8149 2006-03-27 Roger Sayle <roger@eyesopen.com>
8152 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8153 cast BIT_NOT_EXPR operand to the correct type.
8155 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8157 * tree-loop-linear.c: Don't include varray.h.
8158 (gather_interchange_stats, try_interchange_loops,
8159 linear_transform_loops): Use VEC instead of VARRAY.
8160 * lambda-mat.c: Don't include varray.h.
8161 * tree-chrec.c: Same.
8162 * lambda-trans.c: Same.
8163 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8164 VEC instead of VARRAY.
8165 * tree-vectorizer.h: Idem.
8166 * tree-data-ref.c (dump_data_references,
8167 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8168 initialize_data_dependence_relation, finalize_ddr_dependent,
8169 compute_all_dependences, find_data_references_in_loop,
8170 compute_data_dependences_for_loop, analyze_all_data_dependences,
8171 free_dependence_relation, free_dependence_relations,
8172 free_data_refs): Idem.
8173 * tree-data-ref.h (data_reference_p, subscript_p): New.
8174 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8175 VEC instead of VARRAY.
8176 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8177 (find_data_references_in_loop, compute_data_dependences_for_loop,
8178 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8179 dump_data_dependence_relations, free_dependence_relations,
8180 free_data_refs): Adjust declaration.
8181 (lambda_transform_legal_p): Move declaration here...
8182 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8183 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8184 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8185 vect_analyze_data_refs): Use VEC instead of VARRAY.
8186 * lambda.h (lambda_transform_legal_p): ...from here.
8187 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8188 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8189 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8190 tree-chrec.o): Don't depend on VARRAY_H.
8192 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8194 * rtl.def (Copyright): Update date.
8195 (DEPS_LIST): Change type of the second operand to 'int'.
8196 * target.h (Copyright): Update date.
8197 (struct gcc_target.speculate_insn): Change type of the second parameter
8199 * lists.c (Copyright): Update date.
8200 (alloc_DEPS_LIST): Change signature. Update reference to the second
8201 operand of the DEPS_LIST.
8202 (copy_DEPS_LIST_list): Update reference to the second operand of the
8204 * rtl.h (Copyright): Update date.
8205 (alloc_DEPS_LIST): Update signature.
8206 * sched-int.h (Copyright): Update date.
8207 (ds_t): Change typedef to 'int'.
8208 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8210 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8212 * haifa-sched.c (Copyright): Update date.
8213 (try_ready): Change condition to restore non-speculative pattern
8215 (process_insn_depend_be_in_spec): Code to keep probability of the
8216 speculative dependence non-decreasing.
8218 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8220 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8221 shut up the compiler.
8223 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8225 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8226 to use lib prefix for target.
8227 ($(T)libic_invalidate_array_4-200.a): Likewise.
8228 ($(T)libic_invalidate_array_4a.a): Likewise.
8230 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8231 J"orn Rennecke <joern.rennecke@st.com>
8233 * superh.opt: New file.
8234 * sh.c (boardtype, osruntime): Remove.
8235 * superh.h (SUBTARGET_OPTIONS): Remove.
8236 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8238 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8239 arguments with ^ and/or [].
8241 * config.gcc (sh-*-*): Add quoting to account for quirk of
8243 Replace == with = in enable_incomplete_targets test.
8245 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8246 with MASK_LITTLE_ENDIAN.
8248 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8249 * config/sh/sh.opt: Added to some comments.
8250 * config/sh/superh.h: Removed some chaff.
8252 * config/sh/sh.opt: Add m4-[1234]00* options.
8253 * config/sh/sh.c (sh_handle_option): Likewise.
8254 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8255 (ic_invalidate_array_4-100.o): New rule.
8256 ($(T)libic_invalidate_array_4-100.a): Likewise.
8257 (ic_invalidate_array_4-200.o): Likewise.
8258 ($(T)libic_invalidate_array_4-200.a): Likewise.
8259 (ic_invalidate_array_4a.o): Likewise.
8260 ($(T)libic_invalidate_array_4a.a): Likewise.
8261 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8262 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8264 * config/sh/crt1.asm: Merged in profiling code.
8265 * config/sh/superh.h (STARTFILE_SPEC): Override.
8266 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8267 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8268 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8270 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8271 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8272 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8274 * sh.opt (mpretend-cmove): New option.
8275 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8276 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8277 (movsicc): Add TARGET_PRETEND_CMOVE code.
8279 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8281 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8282 s390_class_max_nregs): New function prototypes.
8283 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8284 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8285 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8286 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8288 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8290 * dwarf2out.c (add_location_or_const_value_attribute): Call
8291 tree_add_const_value_attribute if nothing else works.
8292 (reference_to_unused): New.
8293 (rtl_for_decl_init): Use reference_to_unused to decide whether
8294 to output an initializer.
8296 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8299 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8300 peephole removing spe frob_di_df_2.
8302 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8304 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8305 (subscript_dependence_tester_1): Declared.
8306 (print_dir_vectors, print_dist_vectors): New.
8307 (debug_data_dependence_relation): New.
8308 (dump_data_dependence_relation): Print more details.
8309 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8310 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8311 (save_dist_v, save_dir_v, add_outer_distances,
8312 build_classic_dist_vector_1): New.
8313 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8314 Don't test for lambda_vector_lexico_pos.
8315 (same_access_functions, add_multivariate_self_dist,
8316 add_other_self_distances, dir_from_dist): New.
8317 (build_classic_dir_vector): Replace implementation almost identical to
8318 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8320 (subscript_dependence_tester_1): New.
8321 (subscript_dependence_tester): Handle the lexicographically negative
8322 distance vectors by recomputing the dependence relation.
8323 (compute_affine_dependence): Remove parameter loop_nest_depth.
8324 (compute_self_dependence): Don't call compute_subscript_distance.
8325 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8326 Add a parameter for the loop_nest.
8327 (find_loop_nest_1, find_loop_nest): New.
8328 (compute_data_dependences_for_loop): Compute the loop nest, and give
8329 up if the nest is not well formed.
8330 * tree-data-ref.h (loop_p): New.
8331 (struct data_dependence_relation): Replace size_vect field with
8332 loop_nest, a vec of loops.
8333 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8334 (DDR_LOOP_NEST): New.
8335 (print_dir_vectors, print_dist_vectors,
8336 debug_data_dependence_relation): Declared.
8337 (index_in_loop_nest): New.
8338 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8339 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8342 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8344 * simplify-rtx.c (simplify_relational_operation): Call
8345 simplify_relational_operation_1 even if mode is VOIDmode.
8347 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8349 PR tree-optimization/26804
8350 * tree.h (DECL_CALL_CLOBBERED): New macro.
8351 (tree_decl_common): Add call_clobbered_flag.
8352 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8353 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8354 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8355 (mark_non_addressable): Ditto.
8356 * tree-ssa.c (verify_call_clobbered): New function.
8357 (verify_alias_info): Use it.
8358 * tree-pass.h (pass_reset_cc_flags): New prototype.
8359 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8360 (reset_cc_flags): New function.
8361 * passes.c (init_optimization_passes): Call reset_cc_flags after
8362 initializing referenced_vars.
8364 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8365 Roger Sayle <roger@eyesopen.com>
8368 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8369 to 1.0 for non-real operands. Implement A / A optimization for
8372 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8374 * config/i386/i386.c (size_cost): Correct the comment for
8375 cost of storing fp registers.
8376 (i386_cost): Likewise.
8377 (i486_cost): Likewise.
8378 (pentium_cost): Likewise.
8379 (pentiumpro_cost): Likewise.
8380 (k6_cost): Likewise.
8381 (athlon_cost): Likewise.
8382 (k8_cost): Likewise.
8383 (pentium4_cost): Likewise.
8384 (nocona_cost): Likewise.
8385 (generic64_cost): Likewise.
8386 (generic32_cost): Likewise.
8388 2006-03-24 Denis Chertykov <denisc@overta.ru>
8390 * config/avr/avr-protos.h (extra_constraint): Delete.
8391 (extra_constraint_Q): New declaration.
8392 * config/avr/constraints.md: New file.
8393 * config/avr/avr.md: Include it.
8394 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8395 (TMP_REGNO, ZERO_REGNO): Likewise.
8396 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8397 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8398 (extra_constraint): Delete.
8399 (extra_constraint_Q): Test for memory constraint 'Q'.
8400 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8401 (REG_CLASS_FROM_LETTER): Delete.
8402 (CONST_OK_FOR_LETTER_P): Delete.
8403 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8404 (EXTRA_CONSTRAINT): Delete.
8405 (TMP_REGNO): Delete.
8406 (ZERO_REGNO): Delete.
8408 2006-03-24 Jeff Law <law@redhat.com>
8410 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8411 directly. Call mark_new_vars_to_rename slightly earlier.
8413 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8415 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8417 (gen_compile_unit_die): Use new language types for Objective-C and
8419 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8420 DW_LANG_C_plus_plus.
8423 * config/t-darwin (crt3.o): Work around bug 26840.
8424 * config/darwin-crt3.c: Rewrite.
8425 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8427 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8429 * doc/invoke.texi: Document -femit-class-debug-always
8430 * common.opt: Add -femit-class-debug-always.
8432 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8434 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8435 index and base register.
8436 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8437 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8438 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8439 REGNO_OK_FOR_INDEX_P.
8440 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8442 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8443 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8444 REG_OK_FOR_BASE_P): Definitions removed.
8446 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8449 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8450 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8451 set yet or weren't marked as local yet.
8453 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8455 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8458 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8460 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8461 (rs6000_legitimate_small_data_p): Delete.
8462 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8463 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8464 and make static. Add forward declaration. Update uses.
8465 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8466 of offsettable_memref_p.
8467 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8468 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8470 2006-03-24 Jeff Law <law@redhat.com>
8472 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8473 around bug in immediate-use iterator.
8475 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8478 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8479 or __LITTLE_ENDIAN__.
8481 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8483 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8484 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8485 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8486 * config/sh/sh.opt (mdiv=): Amend description.
8487 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8488 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8489 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8490 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8491 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8492 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8493 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8494 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8495 TARGET_DIVIDE_CALL_FP.
8497 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8499 * haifa-sched.c (choose_ready): Fix type of the local variable.
8500 Move local variables. Add comment.
8501 (check_reg_live): Change signature. Make callable from debugger.
8502 * sched-int.h (check_reg_live): Update signature.
8503 * sched-ebb.c (check_reg_live): Update parameters.
8504 * sched-rgn.c (check_reg_live): Ditto.
8505 (region_head_or_leaf_p): Check pointer before dereferencing.
8506 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8507 before reload on optimization levels below 1.
8509 2006-03-23 Richard Henderson <rth@redhat.com>
8511 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8515 * config/alpha/predicates.md (local_symbolic_operand): Reject
8518 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8521 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8522 expressions which have overflowed constants.
8524 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8526 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8528 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8530 * cfgloopmanip.c (create_loop_notes): Removed.
8531 * final.c (final_scan_insn): Do not handle loop notes.
8532 * jump.c (squeeze_notes): Ditto.
8533 * cfglayout.c (skip_insns_after_block,
8534 duplicate_insn_chain): Ditto.
8535 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8537 * cfgloop.h (create_loop_notes): Declaration removed.
8539 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8541 * varasm.c (output_constant_pool): Restore fnname and fndecl
8543 (assemble_start_function): Adjust call accordingly.
8544 (assemble_end_function): Likewise.
8546 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8549 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8552 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8554 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8557 * system.h (ICE_EXIT_CODE): New macro.
8558 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8559 (diagnostic_action_after_output): Likewise.
8560 * gcc.c (fatal_ice): New function.
8561 (execute): Use it instead of fatal.
8562 (fancy_abort): Likewise.
8563 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8565 2006-03-22 Jeff Law <law@redhat.com>
8567 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8568 iv_analyze_result returning false.
8570 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8572 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8574 2006-03-22 Richard Henderson <rth@redhat.com>
8577 * except.c (duplicate_eh_regions_0): New.
8578 (duplicate_eh_region_1): Duplicate the children of the node as
8579 well as the node itself. Link them up properly.
8580 (duplicate_eh_region_2): Merge into ...
8581 (duplicate_eh_regions): ... here. Take copy_region argument, and
8582 copy only a sub-tree if asked. Simplify copying and fixup.
8583 (eh_region_outer_p): New.
8584 * except.h (duplicate_eh_regions): Update decl.
8585 (eh_region_outer_p): Declare.
8586 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8587 (lower_omp_master): Likewise.
8588 (lower_omp_ordered): Likewise.
8589 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8590 (move_stmt_r): Use it to remap labels. Handle recursion vs
8591 remap_decls_p properly.
8592 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8593 (find_outermost_region_in_block): New.
8594 (new_label_mapper): New.
8595 (move_sese_region_to_fn): Copy eh information to the new function
8597 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8599 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8602 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8604 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8605 into shared libraries.
8607 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8609 * doc/md.texi: Refer to i386/constraints.md instead of
8611 * config/i386/constraints.md: New file, extracted from...
8612 * config/i386/predicates.md: ...here.
8613 * config/i386/i386.md: Include constraints.md.
8615 2006-03-21 Jason Merrill <jason@redhat.com>
8617 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8620 * expr.c (init_block_move_fn): Force default visibility.
8621 (init_block_clear_fn): Likewise.
8622 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8623 * targhooks.c (default_external_stack_protect_fail): Likewise.
8625 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8627 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8628 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8629 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8630 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8631 (loadgp): Use mips_current_loadgp_style.
8632 (loadgp_noshared): New pattern.
8633 (sibcall_internal): Use MIPS_CALL.
8634 (sibcall_value_internal): Likewise.
8635 (sibcall_value_multiple_internal): Likewise.
8636 (call_internal): Likewise.
8637 (call_value_internal): Likewise.
8638 (call_value_multiple_internal): Likewise.
8639 (call_split): Use MIPS_CALL and add an 'S' constraint.
8640 (call_value_split): Likewise.
8641 (call_value_multiple_split): Likewise.
8642 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8643 (-mshared): New option.
8644 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8645 (mips_current_loadgp_style): Declare.
8646 * config/mips/mips.c (mips_classify_symbol): Avoid using
8647 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8648 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8649 TARGET_ABSOLUTE_ABICALLS.
8650 (override_options): Adjust comments. Improve the warning that is
8651 issued when -mabicalls and -G are used together.
8652 (mips_file_start): Remove comment.
8653 (mips_current_loadgp_style): New function.
8654 (mips_gnu_local_gp): New variable.
8655 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8657 (mips_output_function_prologue): Use mips_current_laodgp_style.
8658 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8659 the cprestore instruction.
8660 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8661 live for TARGET_ABSOLUTE_ABICALLS.
8662 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8663 (ASM_SPEC): Pass down -mshared and -mno-shared.
8664 (MIPS_CALL): New macro.
8665 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8667 * doc/invoke.texi (-mabicalls): Update documentation.
8668 (-mshared): Document.
8670 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8672 * config/ia64/unwind-hpux.c: New file.
8673 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8675 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8678 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8680 2006-03-21 Jeff Law <law@redhat.com>
8682 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8683 type conversions of a VR_VARYING source to a wider type.
8685 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8687 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8688 tm_file on Solaris 10 and later.
8689 (sparc64-*-solaris2*): Likewise.
8690 (sparc-*-solaris2*): Likewise.
8691 * config/sol26.h: Rename to config/sol2-6.h.
8692 * config/sol2-10.h: New file.
8694 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8697 * tree-ssa-pre.c (create_component_ref_by_pieces):
8700 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8703 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8704 return it immediately.
8706 2006-03-21 Michael Matz <matz@suse.de>
8708 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8710 (remove_arc, add_arc): Update num_out_arcs member.
8711 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8713 (cache_presence): New function.
8714 (compare_states_for_equiv): New function.
8715 (state_is_differed): Don't take number of outargs, adjust callers.
8716 Use new invariant for speeding up.
8717 (init_equiv_class): Create initial classes based on sorted
8719 (partition_equiv_class): Don't track out_arcs_num.
8720 (evaluate_equiv_classes): Call cache_presence on all states and
8723 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8725 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8726 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8727 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8728 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8730 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8731 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8732 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8733 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8734 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8736 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8737 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8738 (REGNO_REG_CLASS): ARGP is in PREGS.
8739 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8741 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8742 to deal with those addresses.
8743 * addresses.h: New file.
8744 * caller-save.c: Include "addresses.h".
8745 (init_caller_save): Use new base_reg_class function.
8746 * rtl-factoring.c: Include "addresses.h".
8747 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8748 * recog.c: Include "addresses.h".
8749 (preprocess_constraints): Use new base_reg_class function.
8750 * regrename.c: Include "addresses.h".
8751 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8752 functions. Keep track of a new var INDEX_CODE to compute valid
8754 (replace_oldest_value_addr): Likewise.
8755 (replace_oldest_value_mem): Use base_reg_class.
8756 * reload.c: Include "addresses.h".
8757 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8758 (find_reloads): Use new base_reg_class function.
8759 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8760 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8761 all callers and prototype changed.
8762 * reload1.c: Include "addresses.h".
8763 (maybe_fix_stack_asms): Use base_reg_class.
8764 * regclass.c: Include "addresses.h".
8765 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8766 (init_reg_autoinc): Use new base_reg_class function.
8767 (record_reg_classes): Likewise.
8768 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8769 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8770 Use new args to compute necessary class.
8772 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8773 regrename.o, rtl-factoring.o): Update dependencies.
8774 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8775 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8776 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8777 REG_OK_FOR_INDEX_P): Delete documentation.
8779 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8781 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8782 from V7 to V9 for Solaris 7 and above.
8784 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8786 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8787 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8788 argument pointers may not alias any other storage.
8789 * common.opt: Define option -fargument-noalias-anything.
8790 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8791 alias semantics is specified by flag_argument_noalias > 2.
8793 2006-03-20 Jeff Law <law@redhat.com>
8795 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8796 (pass_phi_only_cprop): Declare.
8797 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8799 * tree-ssa-dom.c (degenerate_phi_result): New function.
8800 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8801 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8802 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8803 (eliminate_degenerate_phis): Likewise.
8804 (pass_phi_only_cprop): New pass descriptor.
8805 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8806 support code. Callers updated.
8807 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8808 (store_copy_prop): Likewise.
8809 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8811 2006-03-20 Jason Merrill <jason@redhat.com>
8814 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8815 (push_visibility, pop_visibility): Likewise.
8816 * c-pragma.h: Declare them.
8818 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8820 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8822 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8823 parameter and use get_ebb_head_tail.
8824 (sh_md_init_global): Adjust uses of find_regmode_weight.
8826 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8828 * function.h (struct function) <x_tail_recursion_reentry>:
8829 Rename to x_stack_check_probe_note.
8830 (tail_recursion_reentry): Rename to stack_check_probe_note.
8831 * function.c: Replace tail_recursion_reentry with
8832 stack_check_probe_note everywhere.
8833 (expand_function_start): Only emit a note for
8834 stack_check_probe_note with -fstack-protect.
8835 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8837 * emit-rtl.c (remove_unnecessary_notes): Remove.
8838 (pass_remove_unnecessary_notes): Remove.
8839 * rtl.h (remove_unnecessary_notes): Remove prototype.
8840 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8841 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8842 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8844 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8847 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8848 (valid_in_set): Handle ARRAY_REF.
8849 Change "if min_variant or VH" to asserts.
8850 (create_component_ref_by_pieces): Handle ARRAY_REF.
8851 (create_expression_by_pieces): Likewise.
8852 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8854 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8856 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8857 is operand of switch, not str[0].
8859 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8861 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8862 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8864 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8866 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8867 end of insn_extra_address_constraint declaration.
8869 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8871 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8872 (no-sum-in-toc): Same.
8873 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8875 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8876 NO_FP_IN_TOC for -fPIC instead of mask.
8878 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8879 (BOOT_LDFLAGS): Delete.
8881 * config/rs6000/t-aix52: Same.
8883 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8884 (stmsi[345678]_power): New.
8886 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8888 * config/ia64/ia64.opt: Add empty line to end of file.
8890 2006-03-17 Richard Guenther <rguenther@suse.de>
8893 * builtins.c (get_pointer_alignment): For component style references
8894 adjust alignment to the component type alignment. Make sure
8895 to adjust alignment for component access of constants.
8897 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8899 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8902 2006-03-17 Paul Brook <paul@codesourcery.com>
8904 * doc/install.texi: Docuemnt --with-mode.
8905 * config.gcc: Add --with-mode for arm*-*-*.
8906 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8908 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8910 * sh.c (max_labelno_before_reorg): New variable.
8911 (sh_reorg): Initialize it.
8912 (find_barrier): Check max_labelno_before_reorg before using
8913 label_to_alignment. Take length of explicit alignment insns
8914 into account. When seeing a UNSPECV_CONST_END, return it.
8916 * sh.c (fixup_mova): Set mode of affected label to QImode.
8917 (untangle_mova): New function.
8918 (find_barrier): Use it. Check mode of label before decrementing
8920 (sh_reorg): Likewise.
8921 Set mode of all insns back to VOIDmode.
8923 * sh.c (MOVA_LABELREF): New macro.
8924 (mova_p, fixup_mova, sh_reorg): Use it.
8925 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8926 ADDR_DIFF_VEC matches mova.
8928 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8930 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8931 with ATTRIBUTE_UNUSED.
8933 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8935 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8936 pointer, instead of assuming it is possible to derive the
8937 correct args size from a call insn.
8939 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8941 * rtl.h (CONST_INT_P): Define.
8942 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8943 instead of GET_CODE(x) == CONST_INT.
8944 (vax_rtx_costs): Likewise.
8945 (vax_output_int_move): Likewise.
8946 (vax_output_int_add): Likewise.
8947 (legitimate_constant_address_p): Likewise.
8948 (index_term_p): Likewise.
8949 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8950 * config/vax/vax.md (and<mode>3): Likewise.
8951 (ashrsi3): Likewise.
8953 (movstricthi): Likewise.
8954 (movstrictqi): Likewise.
8955 (rotrsi3): Likewise.
8956 (five unnamed insns): Likewise.
8958 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8960 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8961 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8962 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8963 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8964 Pass to ASM_OUTPUT_DWARF_OFFSET.
8965 * dwarf2out.c (debug_frame_section): New.
8966 (output_call_frame_info): Use debug_frame_section. Pass it to
8967 dw2_asm_output_offset.
8968 (output_die): Pass appropriate section to dw2_asm_output_offset.
8969 (output_compilation_unit_header): Likewise.
8970 (output_pubnames): Likewise.
8971 (output_aranges): Likewise.
8972 (enum dw_val_class): Break dw_val_class_lbl_offset into
8973 dw_val_class_lineptr and dw_val_class_macptr.
8974 (add_AT_lbl_offset): Delete.
8975 (add_AT_lineptr): New.
8976 (add_AT_macptr): New.
8977 (AT_lbl): Expect a lineptr or macptr.
8978 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8979 (attr_checksum): Likewise.
8980 (same_dw_val_p): Likewise.
8981 (size_of_die): Likewise.
8982 (value_format): Likewise.
8983 (output_die): Likewise.
8984 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8986 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8987 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8988 * config/darwin-protos.h (darwin_file_start): New.
8989 (darwin_asm_output_dwarf_offset): New.
8990 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8991 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8993 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8994 if not EH section; simplify.
8995 (darwin_file_start): New.
8996 (darwin_asm_output_dwarf_offset): New.
8997 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8999 (DEBUG_INFO_SECTION): Likewise.
9000 (DEBUG_ABBREV_SECTION): Likewise.
9001 (DEBUG_ARANGES_SECTION): Likewise.
9002 (DEBUG_MACINFO_SECTION): Likewise.
9003 (DEBUG_LINE_SECTION): Likewise.
9004 (DEBUG_LOC_SECTION): Likewise.
9005 (DEBUG_PUBNAMES_SECTION): Likewise.
9006 (DEBUG_STR_SECTION): Likewise.
9007 (DEBUG_RANGES_SECTION): Likewise.
9008 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9009 (ASM_OUTPUT_DWARF_OFFSET): New.
9011 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9013 * config.gcc (tm_defines): Always add to previous value rather
9016 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9018 * config/mips/predicates.md (splittable_const_int_operand): New,
9019 split from move_operand.
9020 (splittable_symbolic_operand): New.
9021 (move_operand): Add commentary. Use splittable_const_int_operand.
9022 Inline mips_atomic_symbolic_constant_p.
9023 * config/mips/mips.md: Add combine splitters for handling moves
9024 of splittable_const_int_operands and splittable_symbolic_operands.
9025 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9026 (mips_split_symbol): Declare.
9027 (mips_move_integer): Declare.
9028 * config/mips/mips.c (mips_split_p): Make global.
9029 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9030 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9031 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9032 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9033 (mips_offset_within_object_p): Handle block symbols.
9034 (mips_atomic_symbolic_constant_p): Delete.
9035 (mips_cannot_force_const_mem): Return false for constants that
9036 mips_legitimize_move can handle.
9037 (mips_use_blocks_for_constant_p): New function.
9038 (mips_split_symbol): Make global.
9039 (mips_move_integer): Likewise. Add a temporary register argument.
9040 (mips_legitimize_const_move): Use splittable_const_int_operand and
9041 splittable_symbolic_operand.
9042 (mips_use_anchors_for_symbol_p): New function.
9043 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9044 (mips_split_p): Declare.
9046 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9048 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9049 (mips*-*-linux*): Likewise.
9051 2006-03-16 Roger Sayle <roger@eyesopen.com>
9052 Daniel Speyer <dspeyer@wam.umd.edu>
9055 * tree-dump.c (dump_real): New function.
9056 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9057 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9058 (tree-dump.o): Add $(REAL_H) to the dependencies.
9060 2006-03-16 Roger Sayle <roger@eyesopen.com>
9063 * real.c (real_from_string): If the mantissa is zero, don't bother
9064 parsing the exponent as the result should always be zero.
9066 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9068 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9070 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9072 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9073 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9074 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9075 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9076 ia64_sched_finish_global): New static functions to implement
9077 hooks from gcc_target.sched.
9078 (spec_check_no, max_uid, pending_data_specs): New static variables.
9079 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9080 ia64_spec_check_src_p): New static functions.
9081 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9082 (TARGET_SCHED_ADJUST_COST): Removed.
9083 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9084 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9085 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9086 TARGET_SCHED_GEN_CHECK,
9087 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9088 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9089 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9090 Fixed to handle speculation checks.
9091 (rtx_needs_barrier): Fixed to handle speculative loads and
9093 (ia64_variable_issue): Added code to count speculative loads and their
9095 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9097 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9099 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9101 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9102 (ia64_reorg): Reset stops_p to NULL after it is freed.
9103 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9104 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9105 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9107 (data_speculative, control_speculative, check_load): New attributes.
9108 (mov<mode>_advanced, mov<mode>_speculative,
9109 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9110 zero_extend<mode>di2_speculative,
9111 zero_extend<mode>di2_speculative_advanced): New patterns for
9112 data and control speculative loads.
9113 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9115 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9116 New pattern for data and control speculation checks.
9117 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9118 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9119 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9120 Auxiliary definitions for the patterns.
9121 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9122 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9124 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9126 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9127 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9128 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9129 New resource constraints.
9130 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9132 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9133 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9134 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9135 msched-in-control-spec, msched-ldc, msched-control-ldc,
9136 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9137 msched-prefer-non-control-spec-insns,
9138 msched-count-spec-in-critical-path): New flags to tune speculative
9140 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9141 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9142 msched-in-control-spec, msched-ldc, msched-control-ldc,
9143 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9144 msched-prefer-non-control-spec-insns,
9145 msched-count-spec-in-critical-path): Document new flags.
9147 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9149 * target.h (struct spec_info_def): New opaque declaration.
9150 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9151 speculate_insn, needs_block_p, gen_check,
9152 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9153 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9154 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9155 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9156 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9157 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9159 (TARGET_SCHED): Use new macros.
9160 * rtl.h (copy_DEPS_LIST_list): New prototype.
9161 * sched-int.h (struct sched_info): Change signature of new_ready field,
9162 adjust all initializations. New fields: add_remove_insn,
9163 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9164 region_head_or_leaf_p.
9165 (struct spec_info_def): New structure declaration.
9166 (spec_info_t): New typedef.
9167 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9168 recovery_block, orig_pat.
9169 (glat_start, glat_end): New variables declaraions.
9170 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9172 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9173 DETACH_LIFE_INFO, USE_GLAT.
9174 (enum SPEC_SCHED_FLAGS): New enumeration.
9175 (NOTE_NOTE_BB_P): New macro.
9176 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9177 attach_life_info, debug_spec_status, check_reg_live): New functions.
9178 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9179 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9181 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9182 * ddg.c (get_block_head_tail): Adjust all uses.
9183 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9184 (sms_sched_info): Initialize new fields.
9185 (contributes_to_priority): Removed.
9186 * haifa-sched.c (params.h): New include.
9187 (get_block_head_tail): Adjust all uses.
9188 (ISSUE_POINTS): New macro.
9189 (glat_start, glat_end): New global variables.
9190 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9191 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9192 old_last_basic_block, before_recovery, current_sched_info_var,
9193 rgn_n_insns, luid): New static variables.
9194 (insn_cost1): New function. Move logic from insn_cost to here.
9195 (find_insn_reg_weight1): New function. Move logic from
9196 find_insn_reg_weight to here.
9197 (reemit_notes, move_insn, max_issue): Change signature.
9198 (move_insn1): Removed.
9199 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9200 extend_bb): New static functions to support extension of scheduler's
9202 (generate_recovery_code, process_insn_depend_be_in_spec,
9203 begin_speculative_block, add_to_speculative_block,
9204 init_before_recovery, create_recovery_block, create_check_block_twin,
9205 fix_recovery_deps): New static functions to support
9206 generation of recovery code.
9207 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9208 restore_bb_notes, move_block_after_check, move_succs): New static
9209 functions to support ebb scheduling.
9210 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9211 functions to support handling of register live information.
9212 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9213 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9214 add_jump_dependencies): New static functions.
9215 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9216 consistancy checking.
9217 (debug_spec_status): New function to call from debugger.
9218 (priority): Added code to handle speculation checks.
9219 (rank_for_schedule): Added code to distinguish speculative instructions.
9220 (schedule_insn): Added code to handle speculation checks.
9221 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9222 Fixed to handle ebbs.
9223 (move_insn): Added code to handle ebb scheduling.
9224 (max_issue): Added code to use ISSUE_POINTS of instructions.
9225 (choose_ready): Added code to choose between speculative and
9226 non-speculative instructions.
9227 (schedule_block): Added code to handle ebb scheduling and scheduling of
9228 speculative instructions.
9229 (sched_init): Initialize new variables.
9230 (sched_finish): Free new variables. Print statistics.
9231 (try_ready): Added code to handle speculative instructions.
9232 * lists.c (copy_DEPS_LIST_list): New function.
9233 * sched-deps.c (extend_dependency_caches): New function. Move logic
9234 from create_dependency_caches to here.
9235 (get_dep_weak, ds_merge): Make global.
9236 * genattr.c (main): Code to output prototype for
9237 dfa_clear_single_insn_cache.
9238 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9239 (output_dfa_clean_insn_cache_func): Code to output
9240 dfa_clear_single_insn_cache function.
9241 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9243 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9245 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9246 New static variables.
9247 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9248 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9250 (ebb_sched_info): Initialize new fields.
9251 (get_block_head_tail): Adjust all uses.
9252 (compute_jump_reg_dependencies): Fixed to use glat_start.
9253 (schedule_ebb): Code to remove unreachable last block.
9254 (schedule_ebbs): Added code to update register live information.
9255 * sched-rgn.c (region_sched_info): Initialize new fields.
9256 (get_block_head_tail): Adjust all uses.
9257 (last_was_jump): Removed. Adjust users.
9258 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9259 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9260 Implement new hooks.
9261 (check_dead_notes1): New static function.
9262 (struct region): New fields: dont_calc_deps, has_real_ebb.
9263 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9264 (BB_TO_BLOCK): Fixed to handle EBBs.
9265 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9266 (ebb_head): New static variable.
9267 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9268 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9270 (compute_dom_prob_ps): New assertion.
9271 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9272 global_live_at_start.
9273 (init_ready_list): New assertions.
9274 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9275 (new_ready): Add support for BEGIN_CONTROL speculation.
9276 (schedule_insns): Fixed code that updates register live information
9278 (schedule_region): Fixed to handle EBBs.
9279 (init_regions): Use extend_regions and check_dead_notes1.
9280 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9281 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9282 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9283 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9284 TARGET_SCHED_GEN_CHECK,
9285 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9286 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9287 * doc/invoke.texi (max-sched-insn-conflict-delay,
9288 sched-spec-prob-cutoff): Document.
9290 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9292 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9293 inter_tick, queue_index.
9294 (struct sched_info): Change signature of init_ready_list field.
9295 Adjust all initializations.
9296 (RESOLVED_DEPS): New access macro.
9297 (ready_add): Remove prototype.
9298 (try_ready): Add prototype.
9299 * sched-rgn.c (init_ready_list): Use try_ready.
9300 (schedule_region): Initialize
9301 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9302 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9303 (init_ready_list): Use try_ready.
9304 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9305 * lists.c (remove_list_elem): Remove `static'.
9306 (remove_free_INSN_LIST_elem): New function.
9307 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9308 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9309 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9311 (readyp): New variable.
9312 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9313 change_queue_index, resolve_dep): New static functions.
9314 (try_ready): New function. Adjust callers in sched-rgn.c and
9315 sched-ebb.c to use it instead of ready_add.
9316 (clock_var): Move at the begining of file.
9317 (rank_for_schedule): Fix typo.
9318 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9319 (ready_lastpos): Enforce assertion.
9320 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9322 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9323 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9324 (queue_to_ready): Use free_INSN_LIST_list.
9325 (early_queue_to_ready): Fix typo.
9326 (schedule_block): Init readyp. Move init_ready_list call after the
9327 initialization of clock_var. Fix error in rejecting insn by
9328 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9329 that previously corrected INSN_TICKs. Add code for handling
9331 (set_priorities): Fix typo.
9332 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9333 Clarify comment and code that keeps current_sched_info->next_tail
9336 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9338 * sched-rgn.c (extend_rgns): New static function.
9339 (find_rgns): Use it.
9340 (gather_region_statistics, print_region_statistics): New static
9342 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9343 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9345 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9346 Andrey Belevantsev <abel@ispras.ru>
9348 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9349 * lists.c (unused_deps_list): New variable.
9350 (free_list): Add assertions to verify the proper distinguishing
9351 between INSN_LISTs and DEPS_LISTs.
9352 (find_list_elem, remove_list_elem, remove_list_node): New static
9354 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9355 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9356 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9357 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9359 (free_INSN_LIST_node): Likewise.
9360 * modulo-sched.c (current_sched_info): Initialize flags field.
9361 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9362 * rtl.def (DEPS_LIST): Define.
9363 * rtl.h: Declare new functions from lists.c.
9364 * sched-deps.c (spec_dependency_cache): New static variable.
9365 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9366 (add_dependence): Change return type to void. Move the logic to ...
9367 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9368 (delete_all_dependences): Add comment about forward_dependency_cache.
9369 Handle spec_dependency_cache. Handle DEPS_LISTs.
9370 (fixup_sched_groups): Clarify the change of priority of output
9371 and anti dependencies.
9372 (sched_analyze_2): Adjust add_dependence calls to create data
9373 speculative dependence.
9374 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9375 Adjust all callers. Handle DEPS_LISTS.
9376 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9377 presence of speculation.
9378 (init_dependency_caches, free_dependency_caches):
9379 Handle spec_dependency_cache.
9380 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9381 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9382 New static functions.
9383 (add_or_update_back_dep, add_or_update_back_forw_dep,
9384 add_back_forw_dep, delete_back_forw_dep): New functions.
9385 * sched-int.h (ds_t, dw_t): New typedefs.
9386 (struct sched_info): Add new field flags.
9387 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9388 Prototype new sched-deps.c functions.
9389 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9390 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9391 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9392 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9393 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9394 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9396 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9398 * sched-rgn.c (current_sched_info): Initialize flags field.
9399 (schedule_insns): Initialize current_sched_info before the sched_init
9401 * sched-ebb.c (current_sched_info): Initialize flags field.
9402 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9403 Call add_or_update_back_dep instead of add_dependence.
9404 Create control speculative dependencies.
9405 (schedule_insns): Initialize current_sched_info before the sched_init
9408 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9410 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9412 (sh_fallback_frame_state): Likewise.
9414 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9416 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9417 Do switch on default_use_cxa_atexit.
9418 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9419 * config/darwin-crt3.o: New.
9420 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9421 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9422 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9424 * config/rs6000/t-darwin: Move crt2.o building to here.
9425 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9426 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9429 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9431 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9432 from '! xxx' to '!xxx' for coding-style conformance.
9433 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9434 (EXTRA_CONSTRAINT): Likewise.
9435 * config/vax/vax.md (four unnamed insns): Likewise.
9437 2006-03-15 Paul Brook <paul@codesourcery.com>
9439 * config/arm/arm.c (minipool_pad): New.
9440 (add_minipool_forward_ref): Include pool alignment padding in address
9442 (push_minipool_fix): Set minipool_pad.
9443 (minipool_pad): Ditto.
9445 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9447 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9448 instead of GET_CODE() == MEM and REG_P() instead of
9450 (print_operand_address): Likewise.
9451 (vax_address_cost): Likewise.
9452 (vax_rtx_costs): Likewise.
9453 (vax_notice_update_cc): Likewise.
9454 (vax_output_int_add): Likewise.
9455 (INDEX_REGISTER_P): Likewise.
9456 (BASE_REGISTER_P): Likewise.
9457 (nonindexed_address_p): Likewise.
9458 (vax_mode_dependent_address_p): Likewise.
9459 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9460 (PRINT_OPERAND): Likewise.
9461 * config/vax/vax.md (ashlsi3): Likewise.
9462 (ashlsi3): Likewise.
9463 (some more unnamed insns): Likewise.
9465 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9467 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9468 iterator-style macro.
9469 (mark_control_dependent_edges_necessary): Update the use of
9470 EXECUTE_IF_CONTROL_DEPENDENT.
9472 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9474 * config/sh/predicates.md (cache_address_operand): Special.
9475 (ua_address_operand): Likewise.
9477 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9479 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9481 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9483 2006-03-15 Andreas Schwab <schwab@suse.de>
9485 * gensupport.c (identify_predicable_attribute): Don't free p_false
9486 when it is still in use.
9488 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9490 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9491 the default setting here.
9493 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9495 * tree-pass.h (pass_cfg): Remove.
9496 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9497 * passes.c (pass_cfg): Don't run it.
9499 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9501 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9502 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9504 (stack_regs_mentioned): Update the uses of
9505 stack_regs_mentioned_data. Don't access the array beyond its
9507 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9508 Don't include gt-reg-stack.h.
9510 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9511 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9513 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9516 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9519 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9521 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9523 2006-03-14 Richard Guenther <rguenther@suse.de>
9525 PR tree-optimization/26672
9526 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9529 2006-03-14 Richard Guenther <rguenther@suse.de>
9531 PR tree-optimization/26667
9532 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9533 node for the callees. Always allow inlining if it will shrink
9536 2006-03-14 Richard Guenther <rguenther@suse.de>
9539 * builtins.c (get_pointer_alignment): Prefer alignment
9540 information from decls over that from types.
9542 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9545 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9547 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9549 * config/rs6000/rs6000.opt (mdlmzb): New option.
9550 (msched-prolog, msched-epilog): Use Var not Mask.
9551 * doc/invoke.texi (-mdlmzb): Document.
9552 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9554 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9555 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9557 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9559 PR rtl-optimization/25739
9560 * bt-load.c (augment_live_range): Free tos pointer.
9562 * gensupport.c (identify_predicable_attribute): Free
9564 * gcov.c (create_file_names): Free name pointer.
9566 2006-03-13 Roger Sayle <roger@eyesopen.com>
9569 * stmt.c (emit_case_nodes): Handle the case where the index is a
9570 CONST_INT, where the comparison mode is specified by the index type.
9572 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9574 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9577 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9579 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9580 (*branch_fp_inverted): Likewise.
9582 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9585 * omp-low.c (expand_omp_for_generic): Mark istart0
9586 and iend0 as addressable.
9588 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9590 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9592 2006-03-13 Jeff Law <law@redhat.com>
9594 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9595 virtual operands are interesting.
9596 (vrp_visit_stmt): Corresponding changes.
9598 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9600 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9602 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9603 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9604 * config/bfin/crti.S: Use it instead of __PIC__.
9605 * config/bfin/crtn.S: Likewise.
9607 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9608 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9610 Lose 'G' modifier for call operand.
9611 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9612 recognize 'G' modifier.
9614 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9617 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9618 * stmt.c (expand_case): Likewise.
9620 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9622 PR rtl-optimization/26254
9623 * loop-invariant.c (seq_insns_valid_p): New function.
9624 (move_invariant_reg): Only emit new code if it is valid.
9626 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9628 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9630 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9631 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9632 (commit_one_edge_insertion): Do not look for loop notes.
9634 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9636 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9637 flag_test_coverage out of loop.
9639 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9641 * final.c (shorten_branches): Remove outdated comment, and turn
9642 the if branch that guards it to continue.
9644 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9646 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9647 * cfgloop.h (struct loop): Remove unused fields.
9649 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9651 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9652 (-dL, -fdump-rtl-loop2): Update the dump file names
9654 * doc/invoke.texi: Update dump file names.
9656 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9658 * predict.c (estimate_probability): Remove.
9659 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9660 * basic-block.h (estimate_probability): Remove prototype.
9661 * passes.c (finish_optimization_passes): Dump branch prediction or
9662 profiling heuristics to the .profile tree dump.
9663 (init_optimization_passes): Unqueue pass_branch_prob.
9665 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9667 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9669 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9670 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9672 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9674 * function.h (frame_offset_overflow): Declare.
9675 * function.c (frame_offset_overflow): New function.
9676 (assign_stack_local_1): Call it to detect that the offset overflows.
9677 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9679 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9681 * config/sh/sh.c: Include alloc-pool.h.
9682 (label_ref_list_pool): New alloc pool.
9683 (label_ref_list_t): New type for lists of labels.
9684 (struct pool_node): Make wend a label_ref_list_t.
9685 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9687 (dump_table): Likewise.
9688 (sh_reorg): Set up the alloc pool before using add_constant and
9689 dump_table, and destroy it when finishing.
9691 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9693 * config/mips/mips.c: Remove redundant comment.
9695 2006-03-10 Jason Merrill <jason@redhat.com>
9698 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9699 the target was declared 'register'.
9701 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9703 * genpreds.c (write_insn_constraint_len): Change definition of
9704 insn_constraint_len to return size_t to match the declaration.
9706 2006-03-10 DJ Delorie <dj@redhat.com>
9708 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9710 (m32c_expand_insv): Fix test for an AND mask.
9712 2006-03-10 Richard Guenther <rguenther@suse.de>
9715 * builtins.c (get_pointer_alignment): Handle component
9716 references for field alignment.
9718 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9720 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9721 when building with libgloss.
9722 (sh*elf): Implement --without-fp option.
9723 (sh64-superh-linux*): Don't multilib.
9725 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9727 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9729 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9731 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9732 Set it when one of the replacement functions returned true.
9733 Return TODO_cleanup_cfg if cfgchanged is true.
9734 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9736 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9738 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9739 instead of gen_lowpart.
9741 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9743 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9745 (mips_output_order_conditional_branch): Declare.
9746 * config/mips/mips.h (MIPS_BRANCH): New macro.
9747 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9748 for the comparison. Use gen_condjump.
9749 (mips_output_conditional_branch): Rework interface to take the
9750 asm templates for a direct branch and the inverse of a direct branch.
9751 (mips_output_order_conditional_branch): New function.
9752 (mips_builtin_branch_and_move): New function.
9753 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9754 branch condition. Use gen_single_cc as the condition for
9755 __builtin_mips_upper_* or __builtin_mips_lower_*.
9756 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9757 Use VOIDmode for the branch condition.
9758 * config/mips/predicates.md (order_operator): New predicate.
9759 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9760 (branch_fp): Rename to...
9761 (*branch_fp): ...this. Remove mode from comparison operator.
9762 Use new mips_output_conditional_branch interface.
9763 (branch_fp_inverted): Rename to...
9764 (*branch_fp_inverted): ...this and update as for *branch_fp.
9765 (*branch_zero<mode>): Rename to...
9766 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9767 Use mips_output_order_conditional_branch. Only accept ordered
9769 (*branch_zero<mode>_inverted): Rename to...
9770 (*branch_order<mode>_inverted): ...this and update as for
9771 *branch_order<mode>.
9772 (*branch_equality<mode>): Accept zero as the second operand to
9773 the equality operator. Use the new mips_output_conditional_branch
9775 (*branch_equality<mode>_inverted): Likewise.
9776 (condjump): New expander.
9777 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9779 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9780 (bc1any2t, bc1any2f): Likewise.
9781 (single_cc): New expander.
9782 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9784 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9786 * doc/md.texi: Update documentation of MIPS constraints.
9787 * config/mips/constraints.md: New file.
9788 * config/mips/mips.md: Include it.
9789 * config/mips/mips.c (mips_char_to_class): Delete.
9790 (override_options): Don't initialize mips_char_to_class.
9791 * config/mips/mips.h (mips_char_to_class): Delete.
9792 (REG_CLASS_FROM_LETTER): Delete.
9793 (CONST_OK_FOR_LETTER_P): Delete.
9794 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9795 (EXTRA_CONSTRAINT_Y): Delete.
9796 (EXTRA_CONSTRAINT_STR): Delete.
9797 (CONSTRAINT_LEN): Delete.
9798 (EXTRA_MEMORY_CONSTRAINT): Delete.
9800 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9802 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9803 original fn's eh regions.
9805 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9807 * fold-const.c (build_range_check): Make sure to use a valid type to
9808 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9811 (range_predecessor): New static function.
9812 (range_successor): Likewise.
9813 (merge_ranges): Use them to compute predecessors and successors of
9816 2006-03-09 Roger Sayle <roger@eyesopen.com>
9819 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9820 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9822 2006-03-08 DJ Delorie <dj@redhat.com>
9824 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9825 (addpsi3): Expand to include memory operands. Remove
9826 reload-specific splits.
9827 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9828 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9829 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9830 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9831 (shift1_qi, shift1_hi, insv): New.
9832 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9833 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9834 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9836 * config/m32c/m32c-protos.h: Update as needed.
9837 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9838 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9839 Fail for unrecognized R* constraints.
9840 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9841 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9842 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9844 (m32c_init_libfuncs): New.
9845 (m32c_legitimate_address_p): Add debug wrapper.
9846 (m32c_rtx_costs): New.
9847 (m32c_address_cost): New.
9848 (conversions): Add 'B' prefix.
9849 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9850 operands, or word regnames for QI operands. 'B' prints bit
9852 (m32c_expand_setmemhi): New.
9853 (m32c_expand_movmemhi): New.
9854 (m32c_expand_movstr): New.
9855 (m32c_expand_cmpstr): New.
9856 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9857 (m32c_expand_neg_mulpsi3): Handle non-ints.
9858 (m32c_cmp_flg_0): New.
9859 (m32c_expand_movcc): New.
9860 (m32c_expand_insv): New.
9861 (m32c_scc_pattern): New.
9862 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9863 a0/a1 out of SIregs.
9864 (STORE_FLAG_VALUE): New.
9865 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9868 * config/m32c/mov.md: Make constraints more liberal.
9869 (zero_extendqihi2): Optimize r0/r1 case.
9870 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9871 * config/m32c/predicates.md (m32c_any_operand): New.
9872 (m32c_nonimmediate_operand): New.
9873 (m32c_hl_operand): New.
9874 (m32c_r3_operand): New.
9877 (memsym_operand): New.
9878 (memimmed_operand): New.
9879 (a_qi_operand): New.
9880 (m32c_eqne_operator): New.
9881 (m32c_1bit8_operand): New.
9882 (m32c_1bit16_operand): New.
9883 (m32c_1mask8_operand): New.
9884 (m32c_1mask16_operand): New.
9885 * config/m32c/blkmov.md: New file.
9886 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9888 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9890 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9891 unsigned to fix signed/unsigned comparison issue in
9892 DWARF2_FRAME_REG_OUT.
9893 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9894 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9896 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9897 of ptr into the ENABLE_CHECKING section.
9899 2006-03-08 Jeff Law <law@redhat.com>
9901 * tree-vrp.c (infer_value_range): Only count pointer uses
9902 and dereferences if -fdelete-null-pointer-checks is enabled.
9904 * tree-vrp.c (find_assert_locations): Infer value ranges for
9905 single use pointers, but do not create ASSERT_EXPRs for them.
9906 When a non-null range is inferred for a pointer, backwards
9907 propagate that range to other equivalent pointers through the
9910 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9913 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9914 language hook targets.
9915 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9916 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9917 if language hook targets were missing.
9919 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9921 * tree-ssa-opfinalize.h: Removed.
9922 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9924 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9925 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9926 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9927 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9928 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9929 finalize_ssa_v_must_def_ops): New.
9931 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9933 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9936 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9938 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9940 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9941 addresses with offsets; reorganize.
9943 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9944 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9945 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9947 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9950 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9952 2006-03-08 Ben Elliston <bje@au.ibm.com>
9954 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9956 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9959 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9962 2006-03-07 Richard Guenther <rguenther@suse.de>
9964 PR tree-optimization/26587
9965 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9967 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9969 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9971 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9973 * hooks.c (hook_bool_mode_rtx_true): New function.
9974 * hooks.h (hook_bool_mode_rtx_true): Declare.
9975 * toplev.c (compile_file): Call output_shared_constant_pool.
9976 * varasm.c (shared_constant_pool): New variable.
9977 (assemble_start_function, assemble_end_function): Remove arguments
9978 from call to output_constant_pool.
9979 (create_constant_pool): New function, split out from...
9980 (init_varasm_status): ...here.
9981 (force_const_mem): Choose between the shared and per-function constant
9982 pools. Set current_function_uses_const_pool when reusing old entries
9983 as well as when creating new ones.
9984 (mark_constant): Ignore data argument.
9985 (mark_constants): Remove pool argument.
9986 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9987 to decide whether the function uses a constant pool.
9988 (output_constant_pool_contents): New function, split out from...
9989 (output_constant_pool): ...here.
9990 (output_shared_constant_pool): New function.
9991 (init_varasm_once): Initialize shared_constant_pool.
9992 * output.h (output_constant_pool): Delete.
9993 (output_shared_constant_pool): Declare.
9994 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9995 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9997 2006-03-06 Nick Clifton <nickc@redhat.com>
9999 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10000 flag_strength_reduce.
10002 2006-03-06 Ben Elliston <bje@au.ibm.com>
10004 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10005 x86_64-*-linux* configurations.
10007 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10008 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10010 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10012 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10014 * basic-block.h: Remove the extern for
10015 rediscover_loops_after_threading.
10017 * cfgloop.c (cancel_loop): Make it static.
10018 * cfgloop.h: Remove the prototype for cancel_loop.
10020 * flow.c (recompute_reg_usage): Make it static.
10021 * rtl.h: Remove the prototype for recompute_reg_usage.
10023 * function.c (use_return_register): Make it static.
10024 * function.h: Remove the prototype.
10026 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10028 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10030 * recog.h: Remove the prototype for
10031 validate_change_maybe_volatile.
10033 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10035 * rtlanal.c (replace_reg): Remove.
10036 * rtl.h: Remove the prototype for replace_reg.
10038 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10040 * regclass.c (reg_scan_update): Remove.
10041 (reg_scan_mark_refs): Remove the last argument.
10042 * rtl.h: Remove the prototype for reg_scan_update.
10044 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10046 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10047 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10048 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10049 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10050 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10051 loop-invariant.c, omp-low.c, opts.c, passes.c,
10052 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10053 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10054 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10055 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10056 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10057 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10059 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10061 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10062 * dwarf2out.h: Remove the prototype for
10063 dwarf2out_add_library_unit_info.
10065 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10067 * tree.c (add_var_to_bind_expr): Remove.
10068 * tree.h: Remove the prototype for add_var_to_bind_expr.
10070 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10072 * regclass.c (n_non_fixed_regs): Remove.
10073 (init_reg_sets_1, globalize_reg): Remove all uses of
10075 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10077 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10079 * rtlanal.c (insns_safe_to_move_p): Remove.
10080 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10082 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10084 * expmed.c (expand_mult_add): Remove.
10085 * expr.h: Remove the prototype for expand_mult_add.
10087 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10089 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10090 and REG_SAVED_VAL_EXP constants.
10091 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10092 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10093 Handle regs stored by value.
10094 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10095 (execute_cfa_program): Handle DW_CFA_val_offset,
10096 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10097 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10098 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10099 (uw_install_context_1): Handle target regs stored by value.
10101 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10103 * tree-sra.c (tree_sra): Return todoflags;
10104 (generate_one_element): Set TODO_update_smt_usage if needed.
10105 (pass_sra): Remove TODO_update_smt_usage.
10106 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10108 (tree_ssa_forward_propagate_single_use_vars): Return
10109 TODO_update_smt_usage if we need to update SMT usage.
10110 (pass_forwprop): Remove TODO_update_smt_usage.
10112 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10114 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10115 (correct_use_link): Remove reference to get_stmt_operands.
10116 (update_stmt_operands): Likewise.
10117 (get_modify_expr_operands): New function factored out of
10118 parse_ssa_operands and get_expr_operands.
10119 Try to create V_MUST_DEFs for LHS by default.
10120 (get_expr_operands) <case MODIFY_EXPR>: Call
10121 get_modify_expr_operands.
10122 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10123 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10124 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10125 get_modify_expr_operands.
10127 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10129 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10130 * tree-flow.h: Remove the prototype for
10131 referenced_var_lookup_if_exists.
10133 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10135 PR rtl-optimization/26345
10137 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10139 2006-03-03 Roger Sayle <roger@eyesopen.com>
10141 PR tree-optimization/26524
10142 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10143 fold_convert to create a constant of the appropriate type.
10145 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10147 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10148 SYMBOL_REF_IN_BLOCK_P.
10149 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10150 of SYMBOL_FLAG_IN_BLOCK.
10151 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10152 instead of SYMBOL_REF_IN_BLOCK_P.
10153 * explow.c (use_anchored_address): Likewise.
10154 * rtl.c (rtx_size): Likewise.
10155 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10156 instead of SYMBOL_FLAG_IN_BLOCK.
10157 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10158 SYMBOL_REF_IN_BLOCK_P.
10159 (assemble_variable): Likewise.
10160 (output_constant_def_contents): Likewise.
10161 (output_constant_pool): Likewise.
10162 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10163 instead of SYMBOL_FLAG_IN_BLOCK.
10164 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10165 SYMBOL_REF_IN_BLOCK_P.
10166 (SYMBOL_REF_BLOCK): Likewise.
10167 (SYMBOL_REF_OFFSET): Likewise.
10168 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10169 SYMBOL_REF_IN_BLOCK_P.
10170 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10171 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10172 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10173 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10175 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10177 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10179 2006-03-02 Roger Sayle <roger@eyesopen.com>
10181 * simplify-rtx.c (simplify_unary_operation): When simplifying
10182 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10183 that we perform the right shift in the appropriate mode, and
10184 then extend or truncate the result to requested mode.
10186 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10188 * gengtype.c (main): Handle double_int type.
10189 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10190 * double-int.c: New file.
10191 * double-int.h: New file.
10192 * system.h: Include doubleint.h.
10193 * Makefile.in (SYSTEM_H): Include double-int.h.
10194 (double-int.o): Add.
10196 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10199 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10202 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10204 * tree-vrp.c (remove_range_assertions): Do not update statements
10207 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10209 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10211 * gcse.c (rest_of_handle_gcse): Ditto.
10212 * except.c (gate_handle_eh): Ditto.
10213 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10214 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10216 2006-03-02 Eric Christopher <echristo@apple.com>
10218 * config/i386/i386.c (machopic_output_stub): Add indirection to
10221 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10225 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10227 Sun Niagara specific optimizations.
10228 * config.gcc: Recognize niagara as target.
10229 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10230 (TARGET_CPU_niagara): Define.
10231 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10232 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10233 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10234 (ASM_CPU_SPEC): Likewise.
10235 (PROCESSOR_NIAGARA): New enum entry.
10236 (REGISTER_MOVE_COST): Handle Niagara.
10237 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10238 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10239 (sparc_override_options): Recognize "niagara", set appropriate
10240 default MASK_* values for it, and align functions to 32-bytes
10241 by default just like ULTRASPARC/ULTRASPARC3.
10242 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10243 (sparc64_initialize_trampoline): Likewise.
10244 (sparc_use_sched_lookahead): Use zero for niagara.
10245 (sparc_issue_rate): Use one for niagara.
10246 * config/sparc/niagara.md: New file.
10247 * config/sparc/sparc.md: Include it.
10248 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10249 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10250 when default cpu is niagara.
10251 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10252 (ASM_CPU_SPEC): Likewise.
10253 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10254 when default cpu is niagara.
10255 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10256 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10257 just like v9/ultrasparc/ultrasparc3.
10258 * doc/invoke.texi: Add documentation for "niagara" and improve
10259 existing documentation for ultrasparc variants.
10261 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10263 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10265 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10267 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10268 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10269 and say that only one is needed.
10270 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10271 * target.h (have_switchable_bss_sections): New hook.
10272 * explow.c (use_anchored_address): Check that the symbol is in a block.
10273 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10274 (bss_noswitch_section): New variables.
10275 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10276 (get_noswitch_section): New function.
10277 (get_block_for_section): Allow SECT to be null.
10278 (unlikely_text_section_p): Use SECTION_STYLE.
10279 (bss_initializer_p): New function.
10280 (get_variable_section): Move earlier in file. Take a new argument,
10281 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10282 Return one of the new *_sections in such cases.
10283 (get_block_for_decl): New function, extracting some logic from
10284 use_blocks_for_decl_p.
10285 (change_symbol_section): Remove in favor of...
10286 (change_symbol_block): ...this new function.
10287 (use_blocks_for_decl_p): Remove checks now performed by
10288 get_block_for_decl.
10289 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10290 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10291 (emit_local, emit_bss, emit_common): ...these new functions.
10292 Return true if the alignment was honored.
10293 (emit_tls_common): New function.
10294 (asm_emit_uninitialised): Delete.
10295 (assemble_variable_noswitch): New function, split out from...
10296 (assemble_variable): ...here. Don't make decisions about common
10297 variables here. Globalize all public decls that go into non-common
10298 sections. Check whether SYMBOL_REF_BLOCK is null.
10299 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10300 (output_constant_pool): Likewise.
10301 (init_varasm_once): Initialize the new section variables.
10302 (have_global_bss_p): New function.
10303 (categorize_decl_for_section): Use bss_initializer_p.
10304 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10305 (place_block_symbol): Assert that the symbol must be in a block.
10306 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10307 (TARGET_INITIALIZER): Include it.
10308 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10309 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10310 (SECTION_MACH_DEP): Bump by two.
10311 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10312 (unnamed_section): Mention SECTION_UNNAMED in comment.
10313 (named_section): Likewise SECTION_NAMED.
10314 (noswitch_section_callback): New type.
10315 (noswitch_section): New structure.
10316 (section): Add a noswitch_section alternative.
10317 (SECTION_STYLE): New macro.
10318 (tls_comm_section, comm_section, lcomm_section): Declare.
10319 (bss_noswitch_section, have_global_bss_p): Declare.
10320 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10321 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10323 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10324 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10327 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10329 * tree-vrp.c (execute_vrp): Return value.
10330 * regrename.c (rest_of_handle_regrename): Ditto.
10331 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10332 * tree-complex.c (tree_lower_complex): Ditto.
10333 (tree_lower_complex_O0): Ditto.
10334 * tracer.c (rest_of_handle_tracer): Ditto.
10335 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10336 * postreload.c (rest_of_handle_postreload): Ditto.
10337 * tree-tailcall.c (execute_tail_recursion): Ditto.
10338 (execute_tail_calls): Ditto.
10339 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10340 * tree.h (init_function_for_compilation): Ditto.
10341 * ipa-cp.c (ipcp_driver): Ditto.
10342 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10343 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10344 * final.c (compute_alignments): Ditto.
10345 (rest_of_handle_final): Ditto.
10346 (rest_of_handle_shorten_branches): Ditto.
10347 (rest_of_clean_state): Ditto.
10348 * omp-low.c (execute_expand_omp): Ditto.
10349 (execute_lower_omp): Ditto.
10350 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10351 * ipa-reference.c (static_execute): Ditto.
10352 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10353 * reorg.c (rest_of_handle_delay_slots): Ditto.
10354 (rest_of_handle_machine_reorg): Ditto.
10355 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10356 * flow.c (recompute_reg_usage): Ditto.
10357 (rest_of_handle_remove_death_notes): Ditto.
10358 (rest_of_handle_life): Ditto.
10359 (rest_of_handle_flow2): Ditto.
10360 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10361 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10362 (do_ssa_store_ccp): Ditto.
10363 (execute_fold_all_builtins): Ditto.
10364 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10365 * modulo-sched.c (rest_of_handle_sms): Ditto.
10366 * ipa-pure-const.c (static_execute): Ditto.
10367 * cse.c (rest_of_handle_cse): Ditto.
10368 (rest_of_handle_cse2): Ditto.
10369 * web.c (rest_of_handle_web): Ditto.
10370 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10371 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10372 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10373 * tree-nrv.c (tree_nrv): Ditto.
10374 (execute_return_slot_opt): Ditto.
10375 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10376 (create_structure_vars): Ditto.
10377 * loop-init.c (rtl_loop_init): Ditto.
10378 (rtl_loop_done): Ditto.
10379 (rtl_move_loop_invariants): Ditto.
10380 (rtl_unswitch): Ditto.
10381 (rtl_unroll_and_peel_loops): Ditto.
10382 (rtl_doloop): Ditto.
10383 * gimple-low.c (lower_function_body): Ditto.
10384 (mark_used_blocks): Ditto.
10385 * tree-ssa-sink.c (execute_sink_code): Ditto.
10386 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10387 (cgraph_early_inlining): Ditto.
10388 * global.c (rest_of_handle_global_alloc): Ditto.
10389 * jump.c (cleanup_barriers): Ditto.
10390 (purge_line_number_notes): Ditto.
10391 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10392 (rest_of_handle_if_after_reload): Ditto.
10393 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10394 (tree_ssa_loop_im): Ditto.
10395 (tree_ssa_loop_unswitch): Ditto.
10396 (tree_vectorize): Ditto.
10397 (tree_linear_transform): Ditto.
10398 (tree_ssa_loop_ivcanon): Ditto.
10399 (tree_ssa_empty_loop): Ditto.
10400 (tree_ssa_loop_bounds): Ditto.
10401 (tree_complete_unroll): Ditto.
10402 (tree_ssa_loop_prefetch): Ditto.
10403 (tree_ssa_loop_ivopts): Ditto.
10404 (tree_ssa_loop_done): Ditto.
10405 * predict.c (tree_estimate_probability): Ditto.
10406 * recog.c (split_all_insns_noflow): Ditto.
10407 (rest_of_handle_peephole2): Ditto.
10408 (rest_of_handle_split_all_insns): Ditto.
10409 * tree-eh.c (lower_eh_constructs): Ditto.
10410 * regmove.c (rest_of_handle_regmove): Ditto.
10411 (rest_of_handle_stack_adjustments): Ditto.
10412 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10413 * function.c (instantiate_virtual_regs): Ditto.
10414 (init_function_for_compilation): Ditto.
10415 (rest_of_handle_check_leaf_regs): Ditto.
10416 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10417 (rest_of_handle_gcse): Ditto.
10418 * ipa-type-escape.c (type_escape_execute): Ditto.
10419 * alias.c (rest_of_handle_cfg): Ditto.
10420 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10421 * profile.c (rest_of_handle_branch_prob): Ditto.
10422 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10423 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10424 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10425 * tree-dfa.c (find_referenced_vars): Ditto.
10426 * except.c (set_nothrow_function_flags): Ditto.
10427 (convert_to_eh_region_ranges): Ditto.
10428 (rest_of_handle_eh): Ditto.
10429 * emit-rtl.c (unshare_all_rtl): Ditto.
10430 (remove_unnecessary_notes): Ditto.
10431 * except.h (set_nothrow_function_flags): Ditto.
10432 (convert_to_eh_region_ranges): Ditto.
10433 * cfgexpand.c (tree_expand_cfg): Ditto.
10434 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10435 * tree-ssa-pre.c (do_pre): Ditto.
10436 (execute_fre): Ditto.
10437 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10438 (rest_of_handle_jump2): Ditto.
10439 * tree-sra.c (tree_sra): Ditto.
10440 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10441 (execute_mudflap_function_decls): Ditto.
10442 * tree-ssa-copy.c (do_copy_prop): Ditto.
10443 (do_store_copy_prop): Ditto.
10444 * ipa-prop.h (ipcp_driver): Ditto.
10445 * cfglayout.c (insn_locators_initialize): Ditto.
10446 * tree-ssa-forwprop.c
10447 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10448 * cfglayout.h (insn_locators_initialize): Ditto.
10449 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10450 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10451 (execute_late_warn_uninitialized): Ditto.
10452 * rtl.h (cleanup_barriers): Ditto.
10453 (split_all_insns_noflow): Ditto.
10454 (purge_line_number_notes): Ditto.
10455 (unshare_all_rtl): Ditto.
10456 (remove_unnecessary_notes): Ditto.
10457 (recompute_reg_usage): Ditto.
10458 (variable_tracking_main): Ditto.
10459 * integrate.c (emit_initial_value_sets): Ditto.
10460 * integrate.h (emit_initial_value_sets): Ditto.
10461 * tree-optimize.c (execute_free_datastructures): Ditto
10462 (execute_free_cfg_annotations): Ditto.
10463 (execute_fixup_cfg): Ditto.
10464 (execute_cleanup_cfg_pre_ipa): Ditto.
10465 (execute_cleanup_cfg_post_optimizing): Ditto.
10466 (execute_init_datastructures): Ditto.
10467 * tree-object-size.c (compute_object_sizes): Ditto.
10468 * combine.c (rest_of_handle_combine): Ditto.
10469 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10470 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10471 (rest_of_handle_reorder_blocks): Ditto.
10472 (rest_of_handle_partition_blocks): Ditto.
10473 * var-tracking.c (variable_tracking_main): Ditto.
10474 * tree-profile.c (tree_profiling): Ditto.
10475 * tree-vect-generic.c (expand_vector_operations): Ditto.
10476 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10477 * sched-rgn.c (rest_of_handle_sched): Ditto.
10478 (rest_of_handle_sched2): Ditto.
10479 * basic-block.h (free_bb_insn): Ditto.
10480 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10481 * tree-cfg.c (execute_build_cfg): Ditto.
10482 (remove_useless_stmts): Ditto.
10483 (split_critical_edges): Ditto.
10484 (execute_warn_function_return): Ditto.
10485 (execute_warn_function_noreturn): Ditto.
10486 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10487 * cfgrtl.c (free_bb_for_insn): Ditto.
10488 * passes.c (execute_one_pass): Run additional
10489 todos returned by execute function.
10490 * tree-pass.h (struct tree_opt_pass): Make execute
10493 2006-03-02 Richard Guenther <rguenther@suse.de>
10495 * tree-ssa-alias.c (find_used_portions): Consider taking
10496 the address as making the variable not write-only.
10498 2006-03-02 Nick Clifton <nickc@redhat.com>
10500 * config.gcc (default_use_cxa_atexit): Extend the description of
10501 this configure variable. Set its default value to "yes" for
10502 Linux, NetBSD and ELF targets on the assumption that they will
10503 use C libraries with the __cxa_atexit function.
10505 2006-03-02 Ben Elliston <bje@au.ibm.com>
10507 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10508 parameter as unused to suppress a build warning.
10510 2006-03-02 Ben Elliston <bje@au.ibm.com>
10512 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10515 2006-03-01 Roger Sayle <roger@eyesopen.com>
10518 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10519 declared name, the weak reference name, and the typeof name.
10520 (__gthrw): Avoid expanding the declared name suffix.
10521 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10523 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10525 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10527 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10528 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10529 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10530 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10531 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10532 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10533 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10534 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10535 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10536 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10537 (DW_END_default, DW_END_big, DW_END_little): New.
10538 (DW_END_lo_user, DW_END_hi_user): Define.
10539 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10540 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10541 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10544 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10546 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10548 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10550 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10552 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10554 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10555 to 'symbol_mem_tag'.
10557 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10560 2006-03-01 Roger Sayle <roger@eyesopen.com>
10562 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10564 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10567 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10568 MACHO_DYNAMIC_NO_PIC_P.
10569 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10571 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10574 * config/darwin-protos.h (darwin_asm_output_anchor):
10576 * config/darwin-sections.def (cstring_section):
10577 Add SECTION_MERGE to the flags.
10578 (literal4_section): Likewise.
10579 (literal8_section): Likewise.
10580 (objc_selector_refs_section): Likewise.
10581 (objc_cls_refs_section): Likewise.
10582 * config/darwin.c (darwin_asm_output_anchor): New
10584 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10586 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10588 Fix PR tree-optimization/26443
10589 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10590 to todo and PROP_tmt_usage to properties_destroyed.
10591 * tree-ssa-ccp.c (pass_ccp): Ditto.
10592 (pass_store_ccp): Ditto.
10593 * tree-ssa-dom.c (pass_dominator): Ditto.
10595 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10597 * tree-ssa-operands.c: Cleanup whitespace.
10598 (get_asm_expr_operands): Move before first invocation.
10599 (get_indirect_ref_operands): Likewise.
10600 (get_tmr_operands): Likewise.
10601 (get_call_expr_operands): Likewise.
10602 (append_def): Likewise.
10603 (append_use): Likewise.
10604 (append_v_may_def): Likewise.
10605 (append_v_must_def): Likewise.
10606 (add_call_clobber_ops): Likewise.
10607 (add_call_read_ops): Likewise.
10608 (add_stmt_operand): Likewise.
10609 (add_virtual_operand): Likewise.
10610 (build_ssa_operands): Likewise.
10612 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10614 PR middle-end/26022
10616 PR middle-end/24437
10617 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10618 with a call expr to ...
10619 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10621 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10623 * tree-vrp.c (extract_range_from_assert): Remove special
10624 handling for types with super-types.
10626 2006-03-01 Ben Elliston <bje@au.ibm.com>
10628 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10629 and powerpc64-*-linux* configurations.
10630 * config/t-dfprules: New file.
10632 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10633 Compile dfp-bit.c from the source directory using -DWIDTH and
10634 $DFP_CFLAGS to control the compilation of that file, rather than
10635 generating width-specific versions in the build directory.
10636 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10637 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10639 2006-02-28 Zack Weinberg <zackw@panix.com>
10641 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10644 2006-02-28 Eric Christopher <echristo@apple.com>
10646 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10647 Set up IN_LIBGCC definition of TARGET_64BIT.
10648 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10650 2006-02-28 Roger Sayle <roger@eyesopen.com>
10652 PR middle-end/14752
10653 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10654 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10655 cases via the construction of "expr != 0".
10657 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10659 * alias.c (alias_invariant, alias_invariant_size): Remove.
10660 (record_base_value): Remove.
10661 (memrefs_conflict_p): Don't look at alias_invariant.
10662 (end_alias_analysis): Don't free it.
10663 * alias.h (record_base_value): Remove prototype.
10665 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10666 Adam Nemet <anemet@caviumnetworks.com>
10668 * rtl.h (truncated_to_mode): Declare it.
10669 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10670 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10671 (RTL_HOOKS_INITIALIZER): Include it.
10672 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10673 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10674 reg_truncated_to_mode.
10675 * rtlanal.c (truncated_to_mode): Define it.
10676 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10678 2006-02-28 Jeff Law <law@redhat.com>
10680 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10681 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10682 the range allowed by TYPE_PRECISION.
10684 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10686 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10688 PR tree-optimization/26419
10689 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10692 2006-02-27 Zack Weinberg <zackw@panix.com>
10694 * doc/md.texi: Fix typo in previous change.
10696 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10700 2006-02-27 Zack Weinberg <zackw@panix.com>
10702 * rtl.def (define_constraint, define_register_constraint)
10703 (define_memory_constraint, define_address_constraint): New MD forms.
10704 * gensupport.c (process_rtx): Put define_constraint etc on the
10706 * genpreds.c (process_define_predicate): Adjust comment. Validate
10707 the name, and call validate_exp to validate the expression.
10708 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10709 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10710 all callers changed.
10711 (validate_exp, needs_variable, struct constraint_data)
10712 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10713 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10714 (const_dbl_constraints, constraint_max_namelen)
10715 (have_register_constraints, have_memory_constraints)
10716 (have_address_constraints, have_address_constraints)
10717 (have_extra_constraints, have_const_int_constraints)
10718 (have_const_dbl_constraints, mangle, add_constraint)
10719 (process_define_constraint, process_define_register_constraint)
10720 (write_enum_constraint_num, write_lookup_constraint)
10721 (write_insn_constraint_len, write_regclass_for_constraint)
10722 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10723 (write_insn_extra_memory_constraint)
10724 (write_insn_extra_address_constraint)
10725 (write_satisfies_constraint_fns): New.
10726 (write_tm_preds_h): If we have new-style constraint definitions,
10727 prototype the functions generated from them, and define the
10728 old constraint interface (still used by generic code) in terms of
10730 (write_insn_preds_c): If we have new-style constraint definitions,
10731 generate all relevant functions from those definitions.
10732 (main): Handle define_constraint etc.
10733 * genoutput.c (struct constraint_data, indep_constraints)
10734 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10735 (mdep_constraint_len): New data structures and functions, defined
10736 #ifdef USE_MD_CONSTRAINTS.
10737 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10738 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10739 use new logic to validate operand constraints against constraint
10741 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10743 * defaults.h: If none of the old-style constraint macros are
10744 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10745 old-style macros; and poison REG_CLASS_FROM_LETTER,
10746 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10748 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10749 * doc/md.texi: Document new constraint-definition mechanism and the
10750 C interface it provides. Remove references to old mechanism
10751 elsewhere in the document.
10752 (Machine Constraints): Use pathnames relative to gcc directory,
10753 i.e. config/ARCH/FILE. Change i386 section to refer to
10754 config/i386/predicates.md; update that section to match docstrings.
10755 * doc/tm.texi: Move all documentation of the old constraint-
10756 definition macros to their own section, clearly mark as obsolete.
10758 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10759 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10761 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10762 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10763 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10764 constraint strings.
10765 (splits and peepholes): Use satisfies_constraint_*.
10766 * config/i386/i386.c (memory_address_length)
10767 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10769 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10771 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10772 scalar operation to be put back into the loop.
10774 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10777 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10778 (extract_cie_info): Handle S flag in augmentation string.
10779 (execute_cfa_program): If context->signal_frame, execute also
10780 fs->pc == context->ra instructions.
10781 (uw_frame_state_for): If context->signal_frame, don't subtract one
10782 from context->ra to find FDE.
10783 (uw_update_context_1): Set context->signal_frame to
10785 (_Unwind_GetIPInfo): New function.
10786 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10787 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10789 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10790 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10791 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10792 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10793 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10794 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10795 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10796 x86_64_fallback_frame_state): Set fs->signal_frame.
10797 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10798 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10799 (frob_update_context): Likewise. Workaround missing S flag in
10800 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10801 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10802 Remove the psw_addr + 1 hack.
10804 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10806 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10807 with aggregates here.
10808 (find_func_aliases): Remove code for &<aggregate> from here.
10810 2006-02-26 Roger Sayle <roger@eyesopen.com>
10812 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10813 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10814 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10815 as (X & C) ne/eq 0.
10817 2006-02-26 Roger Sayle <roger@eyesopen.com>
10819 PR middle-end/19983
10820 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10822 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10824 * opts.c (decode_options): Do not handle flag_strength_reduce.
10825 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10826 and OPT_fstrength_reduce.
10827 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10828 flag_prefetch_loop_arrays for being nonzero.
10829 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10831 (fprefetch-loop-arrays-rtl): Removed.
10832 (flag_prefetch_loop_arrays): Do not specify the value.
10834 * doc/passes.texi: Update documentation of loop optimizer
10836 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10837 -frerun-loop-opt): Remove.
10839 2006-02-26 Richard Guenther <rguenther@suse.de>
10841 PR tree-optimization/26421
10842 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10843 in function calls that are ADDR_EXPRs as using the whole structure.
10845 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10847 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10848 * tree-pass.h (pass_loop_optimize): Remove.
10849 * passes.c (pass_loop_optimize): Never run it.
10850 * toplev.c (backend_init): Don't call init_loop.
10851 * opts.c (flag_loop_optimize_set): Remove.
10852 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10853 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10854 the old RTL loop optimizer when profiling enabled.
10855 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10856 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10857 pre-headers for the sake of the old RTL loop optimizer.
10858 * Makefile.in: Remove all references to loop.o.
10860 * doc/invoke.texi: Remove all references to -floop-optimize
10861 and -frerun-loop-opt.
10863 2006-02-26 Zack Weinberg <zackw@panix.com>
10865 * doc/md.texi (Machine Constraints): Refer to all files with paths
10866 relative to gcc directory (i.e. config/CPU/file). Add missing
10867 @table @code ... @end table to M32C subsection.
10869 2006-02-26 Roger Sayle <roger@eyesopen.com>
10871 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10873 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10875 2006-02-26 Roger Sayle <roger@eyesopen.com>
10876 James A. Morrison <phython@gcc.gnu.org>
10878 PR middle-end/21137
10879 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10880 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10881 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10882 signedness of the shift operation.
10884 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10886 PR tree-optimization/26359
10887 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10889 2006-02-25 Roger Sayle <roger@eyesopen.com>
10891 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10892 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10893 as X == 0, and some symmetry related transformations.
10894 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10896 2006-02-25 Roger Sayle <roger@eyesopen.com>
10898 PR middle-end/23673
10899 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10900 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10901 symmetry related transformations. Fold (X^C1) == C2 as
10904 2006-02-25 Juergen Weigert <jw@suse.de>
10905 Richard Guenther <rguenther@suse.de>
10907 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10909 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10911 * combine.c (gen_lowpart_or_truncate): Call
10912 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10914 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10916 * doc/invoke.texi: Move -fopenmp description to "Options for
10918 Remove reference to -lgomp.
10920 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10922 * doc/install.texi: Require GNU tar version 1.14.
10924 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10926 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10927 * doc/invoke.texi (C++ Dialect Options): Document
10928 -fno-use-cxa-get-exception-ptr.
10929 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10930 * configure: Regenerate.
10931 * c.opt (fuse-cxa-get-exception-ptr): New.
10932 * c-opts.c (c_common_handle_option): Handle
10933 OPT_fuse_cxa_get_exception_ptr.
10934 * c-common.c (flag_use_cxa_atexit): Update documentation.
10935 (flag_use_cxa_get_exception_ptr): New.
10936 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10937 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10939 (C_COMMON_OVERRIDE_OPTIONS): New.
10941 2006-02-24 Roger Sayle <roger@eyesopen.com>
10943 PR middle-end/24952
10944 * combine.c (try_combine): Explicitly check whether GET_CODE is
10945 a SET or a CLOBBER, instead on checking that it isn't a USE.
10947 2006-02-24 Roger Sayle <roger@eyesopen.com>
10949 * fold-const.c (fold_comparison): New subroutine of fold_binary
10950 containing transformations common to both the equality and
10951 ordering relational operators, factored out of fold_binary.
10952 (fold_binary): Separate out the equality operators (EQ_EXPR
10953 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10954 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10955 transformations common to both.
10956 (fold_div_compare): Fix latent bugs in the previously unreachable
10957 LT_EXPR and GE_EXPR cases.
10959 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10961 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10962 decl libname for clog to __clog on AIX.
10964 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10966 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10969 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10970 output traceback table for thunks. Localise rs6000_stack_info call.
10972 2006-02-23 Roger Sayle <roger@eyesopen.com>
10973 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10975 * gthr-posix.h (__gthrw): Fix typo in comment.
10977 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10979 * doc/cpp.texi (Character sets): Document that we do support
10980 input files to be in any character set.
10982 2006-02-23 Jeff Law <law@redhat.com>
10984 * tree.h (PHI_ARG_NONZERO): Remove.
10985 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10986 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10987 node to the new node.
10989 PR tree-optimization/26425
10990 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10991 min/max, then assume its varying.
10993 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10995 PR rtl-optimization/26316
10996 * rtlanal.c (enum may_trap_p_flags): New.
10997 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10998 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10999 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11000 (may_trap_after_code_motion_p): New function.
11001 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11002 (find_invariant_insn): Use may_trap_after_code_motion_p.
11003 * rtl.h (may_trap_after_code_motion_p): Declare.
11005 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11007 * emit-rtl.c (immed_double_const): Cleanup.
11009 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11011 Fix PR tree-optimization/26376
11012 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11015 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11017 PR middle-end/26412
11018 * gimplify.c (omp_add_variable): Guard variable size decl test with
11019 DECL_SIZE (decl) check.
11021 2006-02-23 Richard Guenther <rguenther@suse.de>
11023 PR middle-end/26439
11024 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11025 like aggregate types.
11027 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11029 * configure.ac: Add --with{,out}-long-double-128 configure option.
11030 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11031 * configure: Rebuilt.
11032 * config.in: Rebuilt.
11033 * doc/install.texi (Options specification): Document
11034 --with-long-double-128.
11036 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11037 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11038 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11039 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11041 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11043 * config/s390/s390.c (override_options): Handle
11044 TARGET_DEFAULT_LONG_DOUBLE_128.
11046 * config/alpha/alpha.c (override_options): Handle
11047 TARGET_DEFAULT_LONG_DOUBLE_128.
11049 * config/sparc/sparc.c (sparc_override_options): Handle
11050 TARGET_DEFAULT_LONG_DOUBLE_128.
11052 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11054 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11055 (real-install-headers-tar, real-install-headers-cpio)
11056 (real-install-headers-cp): New targets.
11058 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11060 * tree.h (variable_section): Delete.
11061 * varasm.c (variable_section): Delete.
11063 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11065 * install.texi: Add notes on install.texi2html.
11066 (Building in parallel): Do not use footnotes.
11068 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11071 * doc/install.texi (Configuration): Document --disable-libgomp.
11073 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11075 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11077 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11079 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11080 (vec_extractv2df_0_sse): New.
11082 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11084 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11085 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11086 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11087 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11088 to the result of the expression.
11089 (def_cfa_1): Adjust.
11090 (frame_pointer_cfa_offset): Rename to...
11091 (frame_pointer_fb_offset): ... this. Adjust all uses.
11092 (convert_cfa_to_loc_list): Rename to...
11093 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11094 Pass it on to build_cfa_loc.
11095 (compute_frame_pointer_to_cfa_displacement): Rename to...
11096 (compute_frame_pointer_to_fb_displacement): ... this. New
11097 offset parameter. Use it in computation.
11098 (gen_subprogram_die): Compute cfa_fb_offset with the new
11099 macro, and use it to compute the fb loc list and the
11102 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11104 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11105 replaced with register_operand.
11106 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11107 non-DREG is expensive.
11108 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11109 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11112 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11114 * doc/install.texi2html: Use set -e.
11116 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11118 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11119 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11120 * doc/invoke.texi (-fshared-data): Delete.
11121 * common.opt (fshared-data): Delete.
11122 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11123 (assemble_static_space): Remove #if 0 code.
11124 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11125 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11126 * config/cris/cris.h: Remove FIXME.
11128 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11130 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11133 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11135 PR middle-end/26379
11136 * combine.c (simplify_shift_const_1): Disable nested shifts
11137 optimization for vector shifts.
11139 2006-02-20 Roger Sayle <roger@eyesopen.com>
11141 PR tree-optimization/26361
11142 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11143 of unsigned integer types.
11145 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11147 * tree-chrec.c (eq_evolutions_p): New.
11148 * tree-chrec.h (eq_evolutions_p): Declared.
11149 * tree-data-ref.c: Fix formatting.
11150 (datadep_stats, dependence_stats): New.
11152 (print_direction_vector): New.
11153 (dump_data_dependence_relation): Use print_direction_vector.
11154 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11155 (compute_subscript_distance): Static.
11156 (initialize_data_dependence_relation): Static. Get the number
11157 of loops surrounding the references from the callers, and initialize
11158 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11159 base_object_differ_p analyzers.
11160 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11161 compute_overlap_steps_for_affine_1_2,
11162 analyze_subscript_affine_affine): Count the classified dependences.
11163 Print a message when a test failed.
11164 (can_use_analyze_subscript_affine_affine): New.
11165 (analyze_siv_subscript): Compute the data dependences on symbolic
11166 scevs that verify can_use_analyze_subscript_affine_affine.
11167 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11168 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11169 Handle symbolic scevs.
11170 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11172 (subscript_dependence_tester): Moved...
11173 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11174 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11175 DDR_SIZE_VECT instead of getting it in parameter.
11176 (subscript_dependence_tester): ... here. Take as a parameter
11177 loop_nest_depth. Call build_classic_dist_vector and
11178 build_classic_dir_vector.
11179 (compute_affine_dependence): Update subscript_dependence_tester
11180 parameters. Update datadep_stats counters. Call
11181 compute_subscript_distance.
11182 (compute_self_dependence): Save the dist and dir vectors. Call
11183 compute_subscript_distance.
11184 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11185 (compute_all_dependences): Reorder parameters as they were before
11186 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11187 compute_subscript_distance. Update the use of
11188 compute_affine_dependence and initialize_data_dependence_relation.
11189 (find_data_references_in_loop): Handle COMPONENT_REF.
11190 (compute_data_dependences_for_loop): Initialize dependence_stats.
11191 Don't call build_classic_dist_vector and build_classic_dir_vector.
11192 Update the parameters of initialize_data_dependence_relation and
11193 compute_all_dependences. Print the statistics from datadep_stats.
11194 (analyze_all_data_dependences): Static. Not used until the pass for
11195 checking the data dependences is contributed.
11196 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11197 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11198 (initialize_data_dependence_relation, compute_affine_dependence,
11199 analyze_all_data_dependences, compute_subscript_distance): Removed.
11200 (print_direction_vector): New.
11201 * lambda.h (gcd): ... here.
11202 (lambda_vector_gcd): Moved here from gcd_vector.
11203 * lambda-code.c (gcd, gcd_vector): Removed.
11204 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11205 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11207 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11209 * ipa-type-escape.c: Tidy some comments and white space.
11210 * tree-ssa-operands.c: Likewise.
11212 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11215 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11216 (dump_decl_name): Do not walk the decl tree chains.
11217 * tree-pass.h (TDF_CHAIN): Remove.
11219 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11221 * Makefile.in (C): Remove
11223 (.PHONY): Remove C and PROTO
11225 2006-02-20 Roger Sayle <roger@eyesopen.com>
11227 PR middle-end/26236
11228 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11229 deprecated CHAR_TYPE tree code.
11231 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11233 * configure.ac (target_list): Add install-info, dvi, html.
11234 * configure: Regenerate.
11236 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11237 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11238 treelang/Make-lang.in: Do not use double-colon rules.
11240 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11242 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11243 (TMT_USED_ALONE): New macro.
11244 * tree-pass.h (PROP_tmt_usage): New property.
11245 (TODO_update_tmt_usage): New todo.
11246 * tree-ssa-alias.c (updating_used_alone): New variable.
11247 (recalculate_used_alone): New function.
11248 (compute_may_aliases): Set updating_used_alone, call
11249 recalculate_used_alone.
11250 * tree-sra.c (pass_sra): Note that this pass destroys
11251 PROP_tmt_usage, and add TODO_update_tmt_usage.
11252 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11253 * tree-flow.h (updating_used_alone): Prototype.
11254 (recalculate_used_alone): Ditto.
11255 * passes.c (execute_todo): Add code to set updating_used_alone,
11256 and call recalculate.
11257 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11258 for clobber if used alone, and add assert to verify used_alone
11261 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11263 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11264 for non tls symbols added.
11265 (legitimize_address): Do nothing for PLUS expressions if one of the
11266 addends is a tls symbol reference.
11268 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11272 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11274 * Makefile.in (BOOTSTRAPPING): New.
11275 (quickstrap): New definition if BOOTSTRAPPING=yes.
11277 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11278 * configure.ac: Substitute all_selected_languages with the languages
11279 that were configured. For all the other variables except
11280 lang_specs_files, include all the languages in the tree.
11281 * configure: Regenerate.
11283 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11284 if there is one. Run the commands to run fixincludes in the same
11287 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11288 * doc/install.texi: Document exact conventions for searching target tools.
11289 Document --with-build-time-tools. Document toplevel bootstrap. Document
11290 something more about building an Ada cross-compiler. Don't list GNU Make
11291 requirements which affect all platforms.
11293 2006-02-19 Roger Sayle <roger@eyesopen.com>
11295 PR middle-end/19543
11296 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11297 only equivalent if the have both the same mode and precision.
11299 2006-02-20 Ben Elliston <bje@au.ibm.com>
11301 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11303 2006-02-19 Roger Sayle <roger@eyesopen.com>
11304 Steven Bosscher <stevenb.gcc@gmail.com>
11306 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11307 constant pool references to identify stack mode constants.
11308 * rtlanal.c (constant_pool_constant_p): New predicate to check
11309 whether operand is a floating point constant in the pool.
11310 * rtl.h (constant_pool_constant_p): Prototype here.
11311 * loop.c (scan_loop): Avoid hoisting constants from the constant
11312 pool on STACK_REGS targets.
11313 (load_mems): Likewise.
11314 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11315 loads into x87 registers expensive in terms of register pressure.
11317 2006-02-19 Roger Sayle <roger@eyesopen.com>
11319 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11320 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11322 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11324 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11325 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11327 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11329 * doc/invoke.texi: Document -fipa-pta.
11330 * common.opt: Add ipa-pta option.
11331 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11332 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11333 (do_ds_constraint): Ditto.
11334 (get_constraint_for): Only add to referenced_vars if
11335 referenced_vars exists.
11336 (insert_into_field_list): Rewrite to do this unsorted.
11337 (insert_into_field_list_sorted): Rename old insert_into_field_list
11339 (create_function_info_for): Use insert_into_field_list_sorted.
11340 (create_variable_info_for): Rewrite so it uses unsorted version,
11341 since the field list is sorted.
11342 (intra_create_variable_infos): Only add to referenced_vars if
11343 referenced_vars exists.
11344 (ipa_pta_execute): Init heapvars, and delete when done.
11345 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11347 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11349 * doc/install.texi: Add missing `@samp'.
11351 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11353 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11356 2006-02-18 Mark Wielaard <mark@klomp.org>
11358 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11359 who added new 4.1 features, bug fixes and integration support.
11361 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11364 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11365 MEM for ABI_V4 pic.
11367 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11369 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11370 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11371 (copy_insn_1): Likewise. Don't copy each field individually.
11373 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11375 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11376 * rtl.c (rtx_size): Rename variable to...
11377 (rtx_code_size): ...this.
11378 (rtx_size): New function.
11379 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11380 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11382 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11383 * rtl.h (rtx_code_size): New variable.
11384 (rtx_size): Change from a variable to a function.
11385 (RTX_SIZE): Rename to...
11386 (RTX_CODE_SIZE): ...this.
11389 PR tree-optimization/17106
11390 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11391 (Anchored Addresses): New section.
11392 * doc/invoke.texi (-fsection-anchors): Document.
11393 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11394 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11395 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11396 * hooks.c (hook_bool_mode_rtx_false): New function.
11397 * hooks.h (hook_bool_mode_rtx_false): Declare.
11398 * gengtype.c (create_optional_field): New function.
11399 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11400 SYMBOL_REF_IN_BLOCK_P is true.
11401 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11402 (min_anchor_offset, max_anchor_offset): Likewise.
11403 (use_anchors_for_symbol_p): New hook.
11404 * toplev.c (compile_file): Call output_object_blocks.
11405 (target_supports_section_anchors_p): New function.
11406 (process_options): Check that -fsection-anchors is only used on
11407 targets that support it and when -funit-at-a-time is in effect.
11408 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11409 if the decl doesn't have one.
11410 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11411 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11412 of force_const_mem through use_anchored_address.
11413 (expand_expr_constant): New function.
11414 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11415 calling expand_expr for INDIRECT_REF.
11416 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11417 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11418 * expr.h (use_anchored_address): Declare.
11419 * loop-unroll.c: Don't declare rtx vectors here.
11420 * explow.c: Include output.h.
11421 (validize_mem): Call use_anchored_address.
11422 (use_anchored_address): New function.
11423 * common.opt (-fsection-anchors): New switch.
11424 * varasm.c (object_block_htab, anchor_labelno): New variables.
11425 (hash_section, object_block_entry_eq, object_block_entry_hash)
11426 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11427 (use_blocks_for_decl_p, change_symbol_section): New functions.
11428 (get_variable_section): New function, split out from assemble_variable.
11429 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11430 use_blocks_for_decl_p say so. Use change_symbol_section if the
11431 symbol has already been created.
11432 (assemble_variable_contents): New function, split out from...
11433 (assemble_variable): ...here. Don't output any code for
11434 block symbols; just pass them to place_block_symbol.
11435 Use get_variable_section and assemble_variable_contents.
11436 (get_constant_alignment, get_constant_section, get_constant_size): New
11437 functions, split from output_constant_def_contents.
11438 (build_constant_desc): Create a block symbol if use_object_blocks_p
11439 says so. Or into SYMBOL_REF_FLAGS.
11440 (assemble_constant_contents): New function, split from...
11441 (output_constant_def_contents): ...here. Don't output any code
11442 for block symbols; just pass them to place_section_symbol.
11443 Use get_constant_section and get_constant_alignment.
11444 (force_const_mem): Create a block symbol if use_object_blocks_p and
11445 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11446 (output_constant_pool_1): Add an explicit alignment argument.
11447 Don't switch sections here.
11448 (output_constant_pool): Adjust call to output_constant_pool_1.
11449 Switch sections here instead. Don't output anything for block symbols;
11450 just pass them to place_block_symbol.
11451 (init_varasm_once): Initialize object_block_htab.
11452 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11453 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11454 (place_block_symbol, get_section_anchor, output_object_block)
11455 (output_object_block_htab, output_object_blocks): New functions.
11456 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11457 (TARGET_ASM_OUT): Include it.
11458 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11459 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11460 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11461 (TARGET_INITIALIZER): Include them.
11462 * rtl.c (rtl_check_failed_block_symbol): New function.
11463 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11464 (block_symbol, object_block): New structures.
11465 (rtx_def): Add a block_symbol field to the union.
11466 (BLOCK_SYMBOL_CHECK): New macro.
11467 (rtl_check_failed_block_symbol): Declare.
11468 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11469 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11470 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11471 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11472 * output.h (output_section_symbols): Declare.
11473 (object_block): Name structure.
11474 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11475 (default_use_anchors_for_symbol_p): Declare.
11476 * Makefile.in (RTL_BASE_H): Add vec.h.
11477 (explow.o): Depend on output.h.
11478 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11479 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11480 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11481 (rs6000_use_blocks_for_constant_p): New function.
11483 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11485 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11487 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11490 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11493 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11495 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11499 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11501 PR middle-end/26334
11502 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11503 instead of DECL_REGISTER.
11505 2006-02-18 Olivier Hainque <hainque@adacore.com>
11508 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11510 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11513 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11514 * opth-gen.awk: Handle Var and InverseMask together.
11515 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11516 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11517 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11518 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11520 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11521 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11522 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11523 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11524 LINUX_DYNAMIC_LINKER): Define.
11525 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11526 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11528 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11529 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11530 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11532 (TARGET_C99_FUNCTIONS): Don't define.
11533 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11534 GLIBC_DYNAMIC_LINKER.
11535 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11536 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11537 GLIBC_DYNAMIC_LINKER64): Define.
11538 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11539 LINUX_DYNAMIC_LINKER64.
11540 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11541 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11542 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11543 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11544 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11546 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11547 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11548 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11549 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11550 and LINUX_DYNAMIC_LINKER32.
11551 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11552 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11553 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11554 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11555 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11557 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11558 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11559 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11560 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11561 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11562 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11563 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11564 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11565 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11566 LINUX_DYNAMIC_LINKER): Define.
11567 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11568 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11569 GLIBC_DYNAMIC_LINKER64): Define.
11570 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11571 LINUX_DYNAMIC_LINKER64.
11572 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11573 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11574 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11575 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11576 LINUX_DYNAMIC_LINKER): Define.
11577 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11578 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11579 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11580 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11581 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11582 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11583 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11584 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11585 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11586 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11588 * doc/invoke.texi (-muclibc): Remove caveat about supported
11591 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11593 * doc/cpp.texi (__TIMESTAMP__): Document.
11595 2006-02-17 Roger Sayle <roger@eyesopen.com>
11597 PR middle-end/25600
11598 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11599 C is one less than the width of X (and related transformations).
11600 * simplify-rtx.c (simplify_unary_operation_1): Transform
11601 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11602 depending on STORE_FLAG_VALUE, were C is one less then the
11605 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11607 Fix PR tree-optimization/26341
11608 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11609 about NAME_MEMORY_TAG's.
11611 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11614 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11615 with hardware float support, and software float support. Add fcpy
11616 alternative to hardware patterns. Add alternatives to copy between
11617 general and floating-point registers to the 32-bit pattern.
11618 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11619 secondary reload to load a QI or HI mode constant into a floating
11621 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11622 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11624 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11627 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11629 (load_macho_picbase_di): Likewise.
11631 2006-02-16 Jeff Law <law@redhat.com>
11633 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11634 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11635 (ssa_name_nonzero_p): Likewise.
11636 (get_value_range): Return NULL if VRP is not running.
11637 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11638 VRP routines do not discover a range.
11639 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11640 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11641 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11642 (tree_expr_nonnegative_p): Similarly.
11643 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11644 (restore_nonzero_vars_to_original_value): Remove.
11645 (unsafe_associative_fp_binop): Remove.
11646 (tree_ssa_dominator_optimize): Remove initialization and
11647 finalization of nonzero_vars and nonzero_vars_stack.
11648 (dom_opt_initialize_block): No longer push marker on
11649 nonzero_vars_stack.
11650 (dom_opt_finalize_block): No longer call
11651 restore_nonzero_vars_to_original_value.
11652 (record_equivalences_from_phis): No longer look for
11653 nonzero PHI arguments.
11654 (cprop_into_successor_phis): No longer propagate nonzero
11655 property into PHI arguments. Lose unused argument. Caller
11657 (record_equivalences_from_stmt): No longer record nonzero
11658 values for SSA_NAMEs.
11659 (lookup_avail_expr): No longer use nonzero_vars.
11661 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11662 for sizetype when sizetype is unsigned.
11664 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11666 PR rtl-optimization/25603
11667 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11668 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11669 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11670 with new meaning of SETS.
11672 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11677 * config/linux.opt: New file.
11678 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11679 LINUX_DYNAMIC_LINKER): Define.
11680 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11681 * config.gcc (*-*-linux*): Define extra_options.
11682 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11683 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11684 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11685 GLIBC_DYNAMIC_LINKER.
11686 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11687 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11688 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11689 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11690 * doc/invoke.texi (GNU/Linux Options): New section.
11692 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11694 * config/sparc/sparc.md (setjmp): Rewrite.
11695 (setjmp_32): Delete.
11696 (setjmp_64): Likewise.
11698 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11700 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11703 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11705 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11708 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11710 PR rtl-optimization/26296
11711 * Makefile.in (loop-invariant.c): Add except.h dependency.
11712 * loop-invariant.c: Include except.h.
11713 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11715 2005-02-16 Paul Brook <paul@codesourcery.com>
11717 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11720 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11722 PR rtl-optimization/25636
11723 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11724 when deciding whether an insn is an initializing insn.
11726 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11728 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11729 (tree_code_size): Ditto.
11730 * tree.h (struct tree_memory_tag): Remove parent_var.
11731 (struct tree_struct_field_tag): New.
11734 (union tree_node): Add sft member.
11735 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11737 (create_sft): Add size and offset argument, set SFT_OFFSET and
11739 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11740 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11741 * tree-flow-inline.h (get_subvar_at): Update for
11742 SFT_OFFSET/SFT_SIZE.
11743 (var_can_have_subvars): Ditto.
11744 (overlap_subvar): Ditto.
11745 * print-tree.c (print_node): Print out interesting things for
11747 * tree-flow.h (struct subvar): Remove offset and size members.
11748 * tree-ssa-operands.c (get_expr_operands): Update for
11749 get_indirect_ref_operands changes.
11750 (get_indirect_ref_operands): Call add_virtual_operand instead of
11751 add_stmt_operand. Only recurse on base var if requested.
11752 (access_can_touch_variable): New function.
11753 (add_stmt_operand): Split virtual operand handling into ...
11754 (add_virtual_operand): Here. Add offset, size, and for_clobber
11755 arguments. Prune alias sets.
11756 (add_call_clobber_ops): Call add_virtual_operand.
11758 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11760 PR middle-end/26300
11761 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11763 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11764 than TREE_CODE as index into omp_clause_num_ops array.
11766 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11768 PR rtl-optimization/26184
11769 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11771 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11772 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11773 must_precede, must_follow and tobe_scheduled.
11776 * opts.c (common_handle_option): Free new_option pointer.
11777 * df-core.c (df_analyze): Free postorder pointer.
11779 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11781 * Makefile.in: Fix the examples about the use of stamps
11783 2006-02-15 Michael Matz <matz@suse.de>
11785 PR middle-end/22275
11787 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11788 influenced by maximum_field_alignment or DECL_PACKED.
11789 (update_alignment_for_field): Ditto.
11790 (place_field): Ditto.
11791 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11794 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11796 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11797 (debug_flow_info): Pass it.
11798 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11799 * bb-reorder.c (reorder_basic_blocks): Likewise.
11800 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11801 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11802 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11803 * gcse.c (gcse_main, bypass_jumps): Likewise.
11804 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11805 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11806 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11807 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11808 * rtl.h (dump_flow_info): Adjust prototype.
11809 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11810 * var-tracking.c (variable_tracking_main): Likewise.
11811 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11812 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11815 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11817 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11820 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11822 PR tree-optimization/26209
11823 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11824 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11826 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11828 2006-02-14 Roger Sayle <roger@eyesopen.com>
11830 PR middle-end/23670
11831 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11832 (X,Y) and the corresponding symmetry related transformations.
11833 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11834 (X,Y) and its symmetry related transformations.
11836 2006-02-14 Roger Sayle <roger@eyesopen.com>
11838 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11841 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11843 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11845 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11848 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11849 support COMDAT group.
11850 * configure: Regenerate.
11852 2006-02-14 Roger Sayle <roger@eyesopen.com>
11854 PR middle-end/26279
11855 PR middle-end/26280
11856 PR middle-end/26283
11857 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11859 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11861 Fix PR tree-optimization/26260
11863 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11865 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11866 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11867 * tree-ssa-structalias.c (create_variable_info_for): Use
11868 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11870 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11872 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11874 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11875 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11876 of the ending condition.
11877 * tree-ssa-loop-manip.c: Include params.h.
11878 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11879 tree_unroll_loop): New functions.
11880 * tree-pass.h (pass_loop_prefetch): Declare.
11881 * loop.c (rest_of_handle_loop_optimize): Test for
11882 -fprefetch-loop-arrays-rtl.
11883 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11884 * timevar.def (TV_TREE_PREFETCH): New timevar.
11885 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11886 pass_loop_prefetch): New.
11887 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11888 (cleanup_tree_cfg_loop): Call scev_reset.
11889 * common.opt (fprefetch-loop-arrays-rtl): Add.
11890 * tree-ssa-loop-prefetch.c: New file.
11891 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11892 (new_temp_expr_table): Initialize expr_vars.
11893 (free_temp_expr_table): Cleanup expr_vars.
11894 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11895 expressions from being merged into one.
11896 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11897 (struct tree_niter_desc): Add control, bound and cmp fields.
11898 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11900 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11901 (tree-cfgcleanup.o): Add SCEV_H dependency.
11902 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11903 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11905 2006-02-14 Richard Guenther <rguenther@suse.de>
11907 PR tree-optimization/26258
11908 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11909 in PHI argument processing.
11911 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11913 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11914 new expression in the requested machine mode.
11916 2006-02-13 Roger Sayle <roger@eyesopen.com>
11918 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11919 directly, instead let do_compare_rtx_and_jump handle this for us.
11920 * expr.c (expand_expr_real_1): Likewise.
11921 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11922 before do_jump_by_parts_greater.
11923 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11924 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11926 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11928 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11930 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11932 PR rtl-optimization/26235
11933 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11934 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11937 2006-02-13 Jeff Law <law@redhat.com>
11939 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11942 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11944 PR middle-end/26092
11945 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11946 twice if decl is a builtin. When trying again, call get_callee_fndecl
11947 first to verify it is still a builtin.
11949 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11951 * dwarf2out.c (base_type_die): Don't add AT_name here.
11952 (subrange_type_die): Don't add AT_name here.
11953 (modified_type_die): Rearrange code flow. Do add AT_name here.
11955 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11957 PR rtl-optimization/26247
11958 PR rtl-optimization/26248
11959 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11961 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11963 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11964 * config/fixtfdi.c: Likewise.
11965 * config/fixunstfdi.c: Likewise.
11966 * config/floatditf.c: Likewise.
11968 2006-02-13 Roger Sayle <roger@eyesopen.com>
11970 PR middle-end/24427
11971 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11972 into (X,C2) if C1 is a subset of the bits of C2. Transform
11973 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11975 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11977 2006-02-13 Josh Conner <jconner@apple.com>
11980 * varasm.c (function_section): Check for section name before
11981 calling select_section on targets that define
11982 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11983 unlikely_text_section instead of hot_function_section if
11984 first_function_block_is_cold.
11986 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11988 PR middle-end/25335
11989 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11991 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11993 PR rtl-optimization/26222
11994 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11995 after tree->rtl expansion.
11996 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11997 before passing it to emit_move_insn.
11999 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12001 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12003 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12004 Clarify documentation.
12005 * c-common.h (warn_write_strings): Remove.
12006 * c-common.c (warn_write_strings): Likewise.
12007 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12010 2006-02-12 Roger Sayle <roger@eyesopen.com>
12012 PR middle-end/25724
12013 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12014 (do_jump_parts_zero_rtx): New function renamed from
12015 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12016 (do_jump_parts_equality_rtx): New function split out from
12017 do_jump_parts_equality. Old implementation renamed as above.
12018 Call do_jump_parts_zero_rtx if either operand is zero.
12019 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12020 do all of the heavy lifting.
12021 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12022 calling either do_jump_by_parts_greater_rtx or
12023 do_jump_by_parts_equality_rtx.
12024 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12025 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12026 moved to do_compare_rtx_and_jump, call it directly.
12027 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12028 mode argument. Call do_compare_rtx_and_jump.
12029 (emit_case_nodes): Update calls to do_jump_if_equal.
12031 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12033 PR rtl-optimization/26225
12034 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12036 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12038 PR rtl-optimization/26232
12039 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12041 2006-02-11 Jason Merrill <jason@redhat.com>
12044 * tree-inline.c (declare_return_variable): Just don't use the
12045 modify target if it's a gimple complex reg and the return slot
12048 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12050 * doc/contrib.texi: Update my entry.
12052 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12054 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12056 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12058 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12061 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12063 * doc/invoke.texi (-floop-optimize2): Removed.
12064 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12065 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12066 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12067 * common.opt (floop-optimize2): Removed.
12068 (fmove-loop-invariants): Enabled by default.
12070 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12072 * tree-if-conv.c (combine_blocks): Free the result of
12073 get_loop_exit_edges.
12075 2006-02-10 Jeff Law <law@redhat.com>
12077 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12079 PR tree-optimization/26213
12080 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12081 loop trying to follow SSA_NAME_VALUE chains.
12083 2006-02-10 Richard Guenther <rguenther@suse.de>
12085 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12086 deal with structures that end in implicitly variable sized arrays.
12088 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12090 PR rtl-optimization/24762
12091 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12094 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12096 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12097 (struct ivopts_data): Add regs_used field.
12098 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12099 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12100 instead of loop_data->regs_used;
12101 (free_loop_data): Do not free aux fields for loops.
12102 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12103 and tree_ssa_iv_optimize_finalize.
12105 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12107 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12109 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12112 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12113 computing the effective result type.
12115 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12117 PR inline-asm/16194
12118 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12119 (tree_overlaps_hard_reg_set): Declare.
12120 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12121 type and signature to match function type expected by walk_tree.
12122 (tree_overlaps_hard_reg_set): New function.
12123 (decl_conflicts_with_clobbers_p): Rename to:
12124 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12125 Use tree_overlaps_hard_reg_set. Changed caller.
12126 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12127 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12128 * cris.c (cris_md_asm_clobbers): Likewise.
12130 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12132 * reload1.c (emit_input_reload_insns): Delete code that tries to
12133 inherit using find_equiv_reg.
12135 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12137 * c-common.h (flag_const_strings): Don't declare.
12138 * c-common.c (flag_const_strings): Remove.
12139 * c.opt (fconst_strings): Remove.
12140 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12141 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12142 (c_common_init_options): Don't set flag_const_strings.
12143 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12145 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12147 * arm.md (tlobits_cbranch): New pattern.
12148 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12149 testing a single bit.
12151 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12154 * tree-ssa-pre.c (create_component_ref_by_pieces):
12155 Handle RETURN_DECL like VAR_DECL.
12157 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12159 PR middle-end/26134
12160 * fold-const.c (fold_indirect_ref_1): Fold
12161 "*(foo *)&complexfoo" to "__real__ complexfoo"
12162 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12164 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12166 * tree-flow-inline.h (var_can_have_subvars):
12167 Volatile variables should not have subvariables.
12169 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12172 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12173 multiplying unsigned values.
12176 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12178 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12180 2006-02-08 Jason Merrill <jason@redhat.com>
12183 * tree.def: Elaborate on difference from MODIFY_EXPR.
12184 * doc/c-tree.texi (INIT_EXPR): Likewise.
12185 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12186 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12187 (gimplify_target_expr): Likewise.
12188 (gimplify_cond_expr): Remove target handling.
12189 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12190 (gimplify_expr): Clobber it here.
12191 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12192 Do return slot optimization if we have an INIT_EXPR.
12195 * tree-inline.c (declare_return_variable): Also clear
12196 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12199 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12201 PR middle-end/22439
12202 * gimplify.c (gimplify_one_sizepos): Fix typo.
12204 2006-02-08 Jeff Law <law@redhat.com>
12206 PR tree-optimization/21417
12207 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12208 across a backedge if the control statement at the end of the
12209 block is data dependent on other statements in the same block.
12210 (record_temporary_equivalences_from_stmts): Remove over-conservative
12211 test for threading across backedges.
12213 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12214 control statement, handle all three special cases in the same
12215 manner as they all have the same desired solution. No longer
12216 special case edge flag updating when the post dominator is
12219 2006-02-08 Roger Sayle <roger@eyesopen.com>
12221 * tree.def (CHAR_TYPE): Remove.
12222 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12223 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12224 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12225 (gen_string_type_die): Delete unreachable function.
12227 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12228 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12229 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12230 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12231 * builtins.c (type_to_class): Likewise.
12232 * fold-const.c (fold_convert, build_range_check,
12233 merge_ranges): Likewise.
12234 * expr.c (count_type_elements): Likewise.
12235 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12236 * stor-layout.c (layout_type): Likewise.
12237 * ipa-type-escape.c (type_to_consider): Likewise.
12238 * gimplify.c (omp_firstprivatize_type_sizes,
12239 gimplify_type_sizes): Likewise.
12240 * explow.c (promote_mode): Likewise.
12241 * tree-sra.c (is_sra_scalar_type): Likewise.
12242 * varasm.c (output_constant): Likewise.
12243 * tree-inline.c (remap_type_1): Likewise.
12244 * convert.c (convert_to_pointer, convert_to_real,
12245 convert_to_integer, convert_to_complex): Likewise.
12247 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12249 * df-scan.c (df_def_record_1): A set destination may
12250 be a parallel regardless of mode.
12252 2006-02-08 Roger Sayle <roger@eyesopen.com>
12255 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12256 * config/mips/_tilib.c: Remove.
12257 * config/fixtfdi.c: New libgcc source file.
12258 * config/fixunstfdi.c: New source file.
12259 * config/floatditf.c: New source file.
12260 * config/floatunditf.c: New souce file.
12261 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12262 files above instead of config/mips/_tilib.c.
12263 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12265 2006-02-08 Jeff Law <law@redhat.com>
12267 PR tree-optimization/26169
12268 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12271 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12273 * df.h (DF_REG_SIZE): Return the length of the initialized
12276 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12278 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12279 __muldf3): Return a correctly signed zero.
12281 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12283 * passes.c (register_one_dump_file): Accept the current properties
12284 instead of pass number. Adjust call to dump_register. Remove
12286 (register_dump_files): Now a wrapper around...
12287 (register_dump_files_1): ... this one. Do not modify the pass
12289 (next_pass_1): Cosmetic fix.
12290 (execute_todo): Keep second parameter only. Use curr_properties
12291 instead of fetching it from the pass structure. Check and set
12293 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12294 instead of fetching it from the pass structure. Fix calls to
12295 execute_todo. Update curr_properties and initialize .vcg RTL dump
12296 after running the pass. Reset last_verified.
12297 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12299 (FIRST_AUTO_NUMBERED_DUMP): New.
12300 (dump_register): Remove "num" parameter, assign it within the
12302 (get_dump_file_name): Modify template for dumps.
12303 * tree-dump.h (dump_register): Adjust prototype.
12304 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12305 (PROP_trees): Add PROP_gimple_lomp.
12306 (TODO_set_props): New.
12307 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12308 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12309 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12311 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12313 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12314 (sparc64-*-linux*): Likewise.
12315 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12316 * config/sparc/t-linux: New file.
12317 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12318 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12319 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12320 -m32 -mlong-double-128.
12322 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12323 * config/alpha/t-linux: New file.
12324 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12326 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12327 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12328 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12329 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12330 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12331 (CPP_ARCH32_SPEC): Remove.
12333 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12335 PR tree-optimization/26145
12336 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12339 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12342 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12343 >= 240000 when generating code for SOM runtime.
12344 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12345 to $$dyncall when generating code for SOM runtime..
12347 2006-02-07 Dirk Mueller <dmueller@suse.com>
12350 * doc/invoke.texi (-Wsequence-point): Update documentation
12351 that -Wsequence-point is implemented for C++ as well.
12353 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12355 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12356 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12357 (LIB_SPEC): Likewise.
12358 * doc/invoke.texi (SPARC options): Document -pthread.
12360 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12362 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12365 2006-02-07 Roger Sayle <roger@eyesopen.com>
12367 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12368 Correct comment describing BOOLEAN_TYPE.
12370 2006-02-07 Dirk Mueller <dmueller@suse.com>
12372 * c.opt: C++ frontend supports -Wdiv-by-zero.
12373 * c-opts.c (c_common_handle_option): Remove dead case.
12375 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12377 * configure.ac (TLS assembler check): Do not enable TLS by
12378 default on SPARC/Solaris before version 10.
12379 * configure: Regenerate.
12381 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12383 * doc/invoke.texi (xl-compat): Document conversion and support
12386 2006-02-07 Jeff Law <law@redhat.com>
12388 * tree-vrp.c (find_conditional_asserts): Update comments.
12389 (simplify_stmt_for_jump_threading): New.
12390 (identify_jump_threads, finalize_jump_threads): New.
12391 (vrp_finalize): Call identify_jump_threads.
12392 (execute_vrp): Call finalize_jump_threads.
12393 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12394 (vrp_element, vrp_data, vrp_element_p): Remove.
12395 (vrp_hash_elt, vrp_variables_stack): Remove.
12396 (vrp_hash, vrp_eq, record_range): Remove.
12397 (simplify_cond_and_lookup_avail_expr): Remove.
12398 (extract_range_from_cond): Remove.
12399 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12400 (simplify_stmt_for_jump_threading): New.
12401 (dom_thread_across_edge): New wrapper.
12402 (tree_ssa_dominator_optimize): No longer initialize or
12403 finalize any of the VRP datastructures. Remove iteration
12404 step and simplify as a result of removal of iteration step.
12405 (pass_dominator): Perform a cfg cleanup after DOM.
12406 (dom_opt_finalize_block): Use the new common routines
12407 for threading jumps. Simplify stack management slightly.
12408 No longer need to unwind VRP state.
12409 (record_equivalences_from_incoming_edge): No longer record
12411 (eliminate_redundant_computations): No longer call
12412 simplify_cond_and_lookup_avail_expr.
12413 * tree-flow.h (potentially_threadable_block): Prototype.
12414 (thread_across_edge): Likewise.
12415 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12416 (tree-ssa-threadedge.o): Add dependencies.
12417 * tree-ssa-threadedge.c: New file.
12418 * passes.c (init_optimization_passes): Merge PHIs before
12419 calling VRP. Run VRP again late in the SSA optimization pipeline.
12421 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12423 * df-core.c (df_set_blocks): Do not dereference function pointers.
12424 (df_finish1): Likewise.
12425 (df_hybrid_search_forward): Likewise.
12426 (df_hybrid_search_backward): Likewise.
12427 (df_iterative_dataflow): Likewise.
12428 (df_analyze_problem): Likewise.
12429 (df_compact_blocks): Likewise.
12430 (df_dump): Likewise.
12431 * df-scan.c (df_rescan_blocks): Likewise.
12432 (df_record_entry_block_defs): Likewise.
12434 * genconditions.c (write_conditions): Guard the definition of
12435 'insn_conditions' with the check on GCC version.
12436 (write_writer): Guard the traversal 'insn_conditions' with
12437 the check on GCC version.
12439 2006-02-07 Richard Guenther <rguenther@suse.de>
12443 2006-01-30 Richard Guenther <rguenther@suse.de>
12445 * gimplify.c (gimplify_target_expr): Handle easy cases
12446 without creating a temporary.
12448 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12450 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12451 use of float in probability computations. Use edge probabilities
12452 in place of statically computed probabilities.
12453 (min_spec_prob): New static variable.
12454 (schedule_insns): Initialize it.
12455 (GET_SRC_PROB): Removed.
12456 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12458 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12461 * config/ia64/unwind-ia64.c: Revert last change.
12462 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12463 (INCOMING_FRAME_SP_OFFSET): Define.
12465 2006-02-06 Roger Sayle <roger@eyesopen.com>
12467 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12469 2006-02-07 Ben Elliston <bje@au.ibm.com>
12471 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12472 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12473 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12474 (ix86_return_in_memory): Handle TDmode.
12475 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12476 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12478 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12480 * reorg.c (dbr_schedule): Use dump_file instead of file.
12482 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12485 * config/ia64/predicates.md (extr_len_operand): New predicate.
12486 * config/ia64/ia64.md (extv): Tighten constraints.
12488 (*tbit_and_2): Ditto.
12489 (*tbit_and_3): Ditto.
12490 (*tbit_or_2): Ditto.
12491 (*tbit_or_3): Ditto.
12492 (*bit_zero): Ditto.
12495 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12498 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12500 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12502 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12503 loop_optimizer_init and loop_optimizer_finalize
12504 * tree-ssa-sink.c (execute_sink_code): Ditto.
12505 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12506 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12507 tree_ssa_loop_done): Ditto.
12508 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12509 * sched-ebb.c: Include output.h.
12510 (schedule_ebbs): Do not use dump argument.
12511 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12512 * loop.c (loop_dump_stream): Removed.
12513 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12515 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12516 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12517 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12518 loop_iterations, strength_reduce, record_biv, record_giv,
12519 final_giv_value, check_final_value, check_ext_dependent_givs,
12520 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12521 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12522 dump_file instead of loop_dump_stream.
12523 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12524 argument dump_file.
12525 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12527 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12528 * haifa-sched.c: Include output.h
12529 (schedule_insns, sched_init): Do not use dump argument.
12530 * mode-switching.c (optimize_mode_switching): Ditto.
12531 * modulo-sched.c (stats_file): Removed.
12532 (print_node_sched_params): Do not call argument dump_file.
12533 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12534 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12536 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12538 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12539 rtl_loop_init, rtl_loop_done): Ditto.
12540 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12541 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12543 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12544 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12545 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12546 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12547 * emit-rtl.c (renumber_insns): Ditto.
12548 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12549 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12550 * regclass.c (regclass): Ditto.
12551 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12552 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12553 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12554 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12556 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12557 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12559 * gcse.c (gcse_file, debug_stderr): Removed.
12560 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12561 rest_of_handle_gcse): Do not use dump argument.
12562 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12563 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12564 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12565 compute_code_hoist_vbeinout, compute_code_hoist_data,
12566 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12567 compute_store_table, build_store_vectors, insert_insn_start_bb,
12568 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12569 store_motion): Use dump_file instead of gcse_file.
12570 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12571 * profile.c (profile_dump_file): Removed.
12572 (branch_prob): Use dump_file instead of profile_dump_file.
12573 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12575 * tree-ssa-copy.c (dump_copy_of): Ditto.
12576 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12577 dump file to life_analysis.
12578 * bt-load.c (branch_target_load_optimize): Ditto.
12579 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12581 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12582 regclass, dbr_schedule): Declaration changed.
12583 * sched-int.h (sched_init): Declaration changed.
12584 * tree-profile.c (tree_profile_dump_file): Removed.
12585 (tree_profile_hooks): Removed profile_dump_file hook.
12586 * rtl-profile (rtl_profile_dump_file): Removed.
12587 (rtl_profile_hooks): emoved profile_dump_file hook.
12588 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12590 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12591 * tree-cfg.c (build_tree_cfg): Ditto.
12592 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12593 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12594 Declaration changed.
12595 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12596 life_analysis and schedule_insns.
12597 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12599 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12601 * config/mips/mips.c (mips_reorg): Ditto.
12602 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12605 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12607 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12608 (s390_mangle_fundamental_type): New.
12609 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12612 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12613 (alpha_mangle_fundamental_type): New.
12614 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12617 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12619 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12621 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12622 (sparc_mangle_fundamental_type): New.
12624 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12626 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12627 (s390x-*-linux*): Likewise.
12628 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12629 * config/s390/t-linux: New file.
12631 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12633 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12634 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12636 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12638 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12639 (ANTIC_SAFE_LOADS): New macro.
12640 (find_or_generate_expression): Add prototype.
12641 (set_contains_value): Allow null set for sake of not always having
12642 to allocate ANTIC_SAFE_LOADS.
12643 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12644 Allow COMPONENT_REF too.
12645 (valid_in_set): Allow COMPONENT_REF.
12646 Check ANTIC_SAFE_LOADS too.
12647 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12648 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12650 (can_PRE_operation): Add COMPONENT_REF.
12651 (create_component_ref_by_pieces): New function.
12652 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12653 (insert_aux): Move AGGREGATE_TYPE_P check here.
12654 (compute_avail): Set bb local stmt uids.
12655 (pass_pre): Use TODO_update_ssa_only_virtuals.
12657 2006-02-06 Ben Elliston <bje@au.ibm.com>
12659 * configure.ac: Unconditionally disable decimal float by default.
12660 * configure: Regenerate.
12662 2006-02-06 Ben Elliston <bje@au.ibm.com>
12664 * read-rtl.c (read_name): Terminate reading on EOF.
12666 2006-02-06 Ben Elliston <bje@au.ibm.com>
12668 * dfp.c (decimal_real_arithmetic): Change second argument type
12669 from int to enum tree_code. Do not always return true, but now
12670 return result of any call to decimal_do helper functions.
12671 * dfp.h (decimal_real_arithmetic): Update prototype.
12673 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12675 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12677 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12680 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12683 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12685 * tree-vrp.c (cfg_loops): Removed.
12686 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12687 Use current_loops instead of cfg_loops. Pass flags to
12688 loop_optimizer_init.
12689 * cfgloopmanip.c (fix_loop_structure): Update only available
12691 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12692 loop_optimizer_init.
12693 * modulo-sched.c (build_loops_structure): Removed.
12694 (sms_schedule): Use loop_optimizer_init.
12695 * loop-init.c (loop_optimizer_init): Use flags to determine
12696 which properties of loops to prepare.
12697 (rtl_loop_init): Pass flags to loop_optimizer_init.
12698 * tree-ssa-sink.c (execute_sink_code): Ditto.
12699 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12700 * tree-ssa-pre.c (init_pre): Ditto.
12701 * cfgloop.h (LOOPS_NORMAL): New.
12702 (loop_optimizer_init): Declaration changed.
12704 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12706 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12707 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12709 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12711 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12713 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12714 * pa/t-pa64: Delete quadlib.c rule.
12715 * pa/x-ada: Revert last change.
12716 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12718 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12720 PR rtl-optimization/26087
12721 * rtlanal.c (canonicalize_condition): Do not cross basic block
12724 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12727 * config/ia64/ia64.c: Include debug.h.
12728 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12729 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12730 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12731 (process_epilogue, process_set, process_for_unwind_directive):
12732 Output unwind info only if requested. Add CFA info if requested.
12733 Add new arguments as needed. Adjust callers.
12734 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12736 (DWARF2_FRAME_INFO): Define to zero.
12737 * config/ia64/unwind-ia64.c: Remove code that compensated for
12738 the CFA offset error fixed above.
12739 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12740 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12741 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12742 -funwind-tables and -fexceptions to enable frame info.
12743 (dwarf2out_frame_init): Define initial CFA even if
12744 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12745 DWARF2_UNWIND_INFO is nonzero, not just defined.
12746 (dwarf2out_frame_finish): Output non-EH call frame info only
12747 if DWARF2_FRAME_INFO is nonzero.
12748 (convert_cfa_to_loc_list,
12749 compute_frame_pointer_to_cfa_displacement): Define even if
12750 unwind info is not supported.
12751 (gen_subprogram_die): Use the above unconditionally. Remove
12752 legacy alternate code.
12753 * toplev.c (compile_file): Compile in call to
12754 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12755 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12757 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12758 Jakub Jelinek <jakub@redhat.com>
12760 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12761 IBM extended float format long double as "g" on powerpc*-linux.
12763 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12766 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12767 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12769 2006-02-03 Jason Merrill <jason@redhat.com>
12772 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12774 PR middle-end/25977
12775 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12776 on the return slot if it's an NRV.
12778 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12780 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12781 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12782 rewrite_use): Do not handle USE_OUTER.
12783 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12784 add_iv_outer_candidates, may_replace_final_value,
12785 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12786 (find_interesting_uses_op): Functionality of
12787 find_interesting_uses_outer_or_nonlin moved here.
12788 (find_interesting_uses_outside): Use find_interesting_uses_op.
12790 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12793 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12795 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12796 Ulrich Weigand <uweigand@de.ibm.com>
12799 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12800 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12801 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12802 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12804 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12805 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12806 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12807 Define secondary reloads for TFmode moves.
12808 (constant_modes): Add TFmode.
12809 (NR_C_MODES): Set to 8.
12810 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12812 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12813 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12814 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12815 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12816 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12817 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12818 (FPR mode macro): Add TFmode.
12819 (DSF mode macro): New.
12820 (<de>, <dee> mode attributes): Removed.
12821 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12822 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12823 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12824 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12825 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12826 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12827 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12828 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12829 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12830 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12831 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12832 "*negabs<mode>2", "sqrt<mode>2"):
12833 Changed <de> to <xde>. R constraint replaced by <Rf>.
12834 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12836 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12837 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12838 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12840 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12841 "extenddftf2", "extendsftf2"): New expanders.
12842 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12843 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12844 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12845 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12847 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12848 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12849 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12850 __floatditf): Add a GCC_4.1.0 symbol version tag.
12851 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12854 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12857 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12858 Use targetm.binds_local_p instead of TREE_PUBLIC.
12860 2006-02-02 Roger Sayle <roger@eyesopen.com>
12862 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12863 on INTEGER_TYPEs to indicate that it denotes a character type.
12864 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12865 signed_char_type_node, unsigned_char_type_node and char_type_node.
12866 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12867 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12868 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12870 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12871 Daniel Berlin <dberlin@dberlin.org>
12873 * tree-tailcall.c (arg_needs_copy_p): New function.
12874 (eliminate_tail_call): Use arg_needs_copy_p.
12875 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12876 (add_virtual_phis): New function.
12878 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12880 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12881 #ignore instead of #scratch for %g7 .register directive.
12883 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12885 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12888 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12890 * flow.c (calculate_global_regs_live): Assert that there aren't any
12893 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12895 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12896 what its name says.
12897 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12898 bsi_after_labels iterator.
12899 * tree-if-conv.c (find_phi_replacement_condition,
12900 replace_phi_with_cond_modify_expr): Likewise.
12901 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12902 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12904 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12906 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12908 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12911 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12912 array after growing it.
12914 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12916 PR middle-end/24901
12917 * fold-const.c (fold_checksum_tree): Change type of buf.
12919 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12921 * reload.c (push_secondary_reload): Initialize t_icode.
12923 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12925 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12926 -msoft-float -mlong-double-128 only issue a warning, but don't
12927 swich to DFmode long double.
12929 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12931 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12932 has a constant equivalent, iterate over equivalents for arg0,
12933 calling simplify_relational_operation and if there's a result
12934 cheaper than X, apply fold_rtx and return the result.
12936 2006-02-01 Jan Hubicka <jh@suse.cz>
12938 * opts.c (no_unit_at_a_time_default): New global variable.
12939 (decode_options): Use it.
12940 * opts.h (no_unit_at_a_time_default): Declare.
12942 2006-02-01 Paul Brook <paul@codesourcery.com>
12944 * function.c (assign_parm_setup_reg): Use function argument promotion
12946 * expr.c (expand_expr_real_1): Use function argument promotion rules
12949 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12951 * gcc.c (process_command): Change j to 'unsigned int'.
12953 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12955 PR middle-end/26001
12956 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12957 Use the corrected index for the character
12958 out of the string constant.
12960 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12962 * mode-switching.c (optimize_mode_switching): Fix size
12963 allocated for bb_info[n_entities].
12965 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12967 * gcc.c (main): Correct type that is allocated for
12968 explicit_link_files.
12970 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12972 * config/s390/s390.c (init_alignment_context): Set
12973 ALIAS_SET_MEMORY_BARRIER on the MEM.
12974 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12976 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12978 PR middle-end/25933
12979 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12981 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12984 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12986 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12987 * regrename.c: Ditto.
12988 * tree-ssa-loop-im.c: Ditto.
12989 * tree-dump.c: Ditto.
12990 * tree-complex.c: Ditto.
12991 * genrecog.c: Ditto.
12992 * tree-ssa-threadupdate.c: Ditto.
12994 * java/class.c: Ditto.
12995 * java/jcf-parse.c: Ditto.
12996 * java/resource.c: Ditto.
12997 * java/except.c: Ditto.
12998 * java/jvspec.c: Ditto.
12999 * java/jcf-write.c: Ditto.
13000 * java/jcf-path.c: Ditto.
13001 * java/gjavah.c: Ditto.
13002 * java/zextract.c: Ditto.
13003 * java/jcf-io.c: Ditto.
13004 * java/jcf.h: Ditto.
13005 * java/buffer.c: Ditto.
13006 * java/lang.c: Ditto.
13007 * java/parse-scan.y: Ditto.
13008 * java/lex.c: Ditto.
13009 * java/lex.h: Ditto.
13010 * cfgloopmanip.c: Ditto.
13011 * postreload-gcse.c: Ditto.
13012 * tree-ssa-loop-manip.c: Ditto.
13013 * postreload.c: Ditto.
13014 * tree-ssa-loop-ch.c: Ditto.
13017 * cppspec.c: Ditto.
13018 * diagnostic.c: Ditto.
13020 * genoutput.c: Ditto.
13022 * cfghooks.c: Ditto.
13023 * cfgloopanal.c: Ditto.
13024 * objc/objc-act.c: Ditto.
13026 * genextract.c: Ditto.
13027 * genautomata.c: Ditto.
13028 * pretty-print.c: Ditto.
13029 * genemit.c: Ditto.
13030 * cgraphunit.c: Ditto.
13032 * df-scan.c: Ditto.
13033 * haifa-sched.c: Ditto.
13034 * dominance.c: Ditto.
13036 * tree-ssa-loop-ivopts.c: Ditto.
13037 * df-core.c: Ditto.
13038 * mode-switching.c: Ditto.
13039 * modulo-sched.c: Ditto.
13041 * ipa-pure-const.c: Ditto.
13043 * fix-header.c: Ditto.
13045 * tree-stdarg.c: Ditto.
13046 * ipa-utils.c: Ditto.
13047 * loop-init.c: Ditto.
13048 * ipa-inline.c: Ditto.
13049 * cfganal.c: Ditto.
13051 * alloc-pool.c: Ditto.
13052 * dwarf2out.c: Ditto.
13054 * genattrtab.c: Ditto.
13055 * tree-ssa-loop-ivcanon.c: Ditto.
13056 * predict.c: Ditto.
13057 * timevar.c: Ditto.
13059 * fortran/gfortranspec.c: Ditto.
13060 * regmove.c: Ditto.
13061 * local-alloc.c: Ditto.
13062 * langhooks.c: Ditto.
13063 * function.c: Ditto.
13064 * tree-vectorizer.c: Ditto.
13066 * ipa-type-escape.c: Ditto.
13068 * tree-if-conv.c: Ditto.
13069 * profile.c: Ditto.
13071 * tree-data-ref.c: Ditto.
13072 * loop-unroll.c: Ditto.
13073 * treelang/treetree.c: Ditto.
13075 * bt-load.c: Ditto.
13076 * ggc-common.c: Ditto.
13078 * coverage.c: Ditto.
13080 * tree-cfgcleanup.c: Ditto.
13081 * tree-ssa-pre.c: Ditto.
13082 * cfgcleanup.c: Ditto.
13083 * loop-invariant.c: Ditto.
13084 * loop-iv.c: Ditto.
13085 * ipa-prop.c: Ditto.
13086 * print-tree.c: Ditto.
13087 * conflict.c: Ditto.
13088 * ggc-page.c: Ditto.
13089 * sched-deps.c: Ditto.
13090 * regclass.c: Ditto.
13091 * tree-object-size.c: Ditto.
13092 * combine.c: Ditto.
13093 * bb-reorder.c: Ditto.
13094 * resource.c: Ditto.
13095 * var-tracking.c: Ditto.
13096 * cfgloop.c: Ditto.
13097 * df-problems.c: Ditto.
13098 * reg-stack.c: Ditto.
13100 * gccspec.c: Ditto.
13101 * sched-rgn.c: Ditto.
13102 * tree-ssa-structalias.c: Ditto.
13103 * tree-ssa-reassoc.c: Ditto.
13104 * config/darwin-c.c: Ditto.
13105 * config/darwin.c: Ditto.
13106 * config/arm/arm.c: Ditto.
13108 * collect2.c: Ditto.
13109 * reload1.c: Ditto.
13111 2006-01-31 Nicolas Pitre <nico@cam.org>
13113 * arm.md (smaxsi3): Make aware of smax_m1.
13116 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13118 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13120 2006-01-31 Richard Guenther <rguenther@suse.de>
13122 * doc/invoke.texi (-msselibm): Document.
13123 * target.h (expand_library_builtin): New target hook.
13124 * builtins.c (expand_builtin): Use expand_library_builtin.
13125 (default_expand_library_builtin): New function.
13126 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13127 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13128 (link_gcc_math_spec): Declare.
13129 (static_specs): Add link_gcc_math_spec.
13130 * expr.h (default_expand_library_builtin): Declare.
13131 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13132 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13133 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13134 * config/i386/i386.opt (msselibm): New target option.
13135 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13136 (ix86_init_sse_abi_builtins): New function.
13137 (ix86_expand_library_builtin): Likewise.
13138 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13139 (override_options): Handle error conditions wrt -msselibm.
13140 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13141 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13142 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13145 2006-01-31 Richard Guenther <rguenther@suse.de>
13146 Paolo Bonzini <bonzini@gnu.org>
13148 * doc/install.texi (--disable-libgcc-math): Document.
13150 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13152 * expr.h (expand_normal): new inline function.
13153 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13154 * dojump.c: use it.
13155 * dwarf2out.c: use it.
13158 * expmed.c: use it.
13159 * except.c: use it.
13160 * config/sparc/sparc.c: use it.
13161 * config/i386/i386.c: use it.
13162 * config/rs6000/rs6000.c: use it.
13163 * config/arm/arm.c: use it.
13164 * config/mips/mips.c: use it.
13165 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13167 2006-01-30 Roger Sayle <roger@eyesopen.com>
13169 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13170 argv to the appropriate type.
13172 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13174 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13177 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13180 * config/s390/s390.c (struct machine_function): New flag
13181 decomposed_literal_pool_addresses_ok_p.
13182 (s390_reorg): Set it before final stage of literal pool transforms.
13183 (s390_decompose_address): Only accept displacements of the form
13184 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13186 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13188 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13189 the comparison routine return.
13191 2006-01-30 Michael Matz <matz@suse.de>
13193 * global.c (find_reg): Only evict for global regs.
13194 Take n_refs into account and dump more info.
13196 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13199 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13200 (pragma_trap, pragma_nosave_low_regs): Likewise.
13201 (current_function_anonymous_args): Likewise.
13202 (sh_deferred_function_attributes): New variable.
13203 (sh_deferred_function_attributes_tail): Likewise.
13204 (print_operand): For '@', look up trap_exit attribute.
13205 (calc_live_regs): Look up trapa_handler attribute. For trapa
13206 handlers, save/restore fpscr, but don't do any other
13207 interrupt-specific saves.
13208 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13209 Fix check for partially saved registers to check for SHmedia.
13210 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13211 (sh_output_function_epilogue): Don't clear any of the removed
13213 (sh_insert_attributes): Don't check pragma_interrupt.
13214 Insert deferred attributes. Check that interrupt attribute is
13215 present for other attributes that require its presence.
13216 (sh_attribute_table): Add new attributes trapa_handler and
13218 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13219 Don't check for pragma_interrupt. Don't store argument.
13220 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13221 (sh_deferred_function_attributes): Declare.
13222 (sh_deferred_function_attributes_tail): Likewise.
13223 * sh.md (sp_switch_1): Add operand. Change generator caller.
13224 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13225 (*return_i): Don't use when trap_exit attribute is in effect.
13226 (*return_trapa): New insn pattern.
13227 * sh-c.c: New file.
13228 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13229 setting c_target_objs and cxx_target_objs.
13230 * t-sh: Add rule for sh-c.o.
13232 2006-01-30 Richard Guenther <rguenther@suse.de>
13235 * gimplify.c (gimplify_target_expr): Handle easy cases
13236 without creating a temporary.
13238 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13240 * vec.h (safe_grow): Remove duplicated line.
13242 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13245 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13246 (expand_omp): ... here.
13247 (expand_omp_parallel): Only remove barriers for combined
13248 parallel+workshare constructs.
13250 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13254 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13255 * tree.c (build_qualified_type): Chain the new type to the original
13256 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13257 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13258 (build_pointer_type_for_mode): Only return unqualified types.
13259 (build_reference_type_for_mode): Likewise.
13261 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13263 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13264 * Makefile.in (CXX_COMPAT_WARN): Define.
13265 * configure: Regenerate.
13267 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13270 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13273 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13275 * toplev.c: Fix thinko.
13277 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13278 Marcin Dalecki <martin@dalecki.de>
13280 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13281 (push_srcloc): Use XNEW.
13282 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13284 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13286 * df-core.c (df_set_blocks): Deleted all variable.
13288 2006-01-28 Ian Lance Taylor <ian@airs.com>
13290 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13291 cgraph_output_pending_asms.
13293 2006-01-28 Zack Weinberg <zackw@panix.com>
13295 * c.opt: Add -W(no-)overlength-strings.
13296 * doc/invoke.texi: Document it.
13297 * c-opts.c (c_common_handle_option): -pedantic implies
13298 -Woverlength-strings, if not explicitly disabled already.
13299 (c_common_post_options): -Woverlength-strings defaults to off, and
13300 is always off for C++.
13301 * c-common.c (fix_string_type): Issue warning about strings longer
13302 than is portable only if warn_overlength_strings. Rearrange code
13303 a little for clarity.
13304 * configure.in: Check for -Wno-overlength-strings as well before
13305 enabling -pedantic in stage 1.
13306 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13307 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13309 * genconditions.c (write_header, write_one_condition)
13310 (write_conditions, write_writer): Consolidate very long strings
13311 that were broken up to fit in C89 portable limit. Don't use
13312 printf when fputs will do.
13314 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13316 * combine.c (simplify_comparison <AND>): Check
13317 TRULY_NOOP_TRUNCATION before start using a subreg.
13319 * config/mips/mips.md (*branch_zero<mode>,
13320 *branch_zero<mode>_inverted, *branch_equality<mode>,
13321 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13322 Remove mode check from comparisons.
13324 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13326 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13328 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13330 * expmed.c (const_mult_add_overflow_p): Remove.
13331 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13333 * recog.c (validate_replace_rtx_subexp): Remove.
13334 * recog.h: Remove the prototype for
13335 validate_replace_rtx_subexp.
13337 * integrate.h: Remove the prototype for
13338 copy_decl_for_inlining.
13339 * rtl.h: Remove the prototype for mark_constant_function.
13340 * tree-vectorizer.h: Remove the prototype for
13341 vect_strip_conversion.
13343 * modulo-sched.c (create_partial_schedule,
13344 free_partial_schedule, reset_partial_schedule): Make them
13347 * hooks.c (hook_bool_rtx_int_false): Remove.
13348 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13350 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13352 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13353 and -mlong-double-128 are incompatible.
13354 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13355 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13356 (TARGET_LIBGCC2_CFLAGS): Define.
13357 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13358 (TARGET_LIBGCC2_CFLAGS): Same.
13359 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13361 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13364 * c-typeck.c (build_binary_op): Perform implicit casts of
13365 operands before shortening them.
13367 * cfgloopmanip.c (split_loop_bb): Remove.
13368 * cfgloop.h: Remove the prototype for split_loop_bb.
13370 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13371 * cfgloop.h: Remove the prototype for
13372 flow_loop_outside_edge_p.
13374 * emit-rtl.c (init_virtual_regs): Make it static.
13375 * function.h: Remove the prototype for init_virtual_regs.
13377 * recog.c (peephole2_optimize): Make it static.
13378 * recog.h: Remove the prototype for peephole2_optimize.
13380 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13382 * df-scan.c (df_record_entry_block_defs): Check if
13383 INCOMING_RETURN_ADDR_RTX is defined.
13385 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13386 Kenneth Zadeck <zadeck@naturalbridge.com>
13388 PR rtl-optimization/24762
13389 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13390 * targhooks.c (hook_void_bitmap): New hook prototype.
13391 * targhoohs.h (hook_void_bitmap): Ditto.
13392 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13393 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13394 * target.h (live_on_entry): New function pointer.
13395 * df-scan.c (df_all_hard_regs): Removed.
13396 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13397 (df_scan_free_internal): Added df->entry_block_defs.
13398 (df_scan_alloc): Ditto.
13399 (df_scan_dump): Ditto.
13400 (df_uses_record): Plumbed flag field properly thru calls.
13401 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13402 This part fixes PR24762.
13403 (df_bb_refs_record): Added code to make the frame and arg
13404 pointers live in EH blocks.
13405 (df_refs_record): Added call to df_record_entry_block_defs.
13406 (df_record_entry_block_defs): New function.
13407 * df-core.c: Added comments to describe new artifical defs.
13408 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13409 (entry_block_defs): New field in struct df.
13410 (df_all_hard_regs): Deleted.
13411 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13412 * df-problems.c (df_ru_bb_local_compute_process_def):
13413 Added code to handle artifical defs in the entry to a function.
13414 (df_ru_bb_local_compute): Ditto.
13415 (df_rd_bb_local_compute_process_def): Ditto.
13416 (df_rd_bb_local_compute): Ditto.
13417 (df_lr_bb_local_compute): Ditto.
13418 (df_ur_bb_local_compute): Ditto.
13419 (df_urec_bb_local_compute): Ditto.
13420 (df_chain_create_bb): Ditto.
13421 (df_ur_local_finalize): Removed entry.
13422 (df_urec_init): Ditto.
13423 (df_urec_local_finalize): Ditto.
13424 (df_ri_bb_compute): Added detection of last use of pseudos.
13425 * Makefile.in (df-scan.o): Updated dependencies.
13426 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13427 * config/mips/mips.c (mips_set_live_on_entry): Added.
13428 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13430 * dce.c (marked_insn_p): Added code to handle artifical defs.
13432 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13434 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13436 (_mm_cvtsi128_si64): Likewise.
13437 (_mm_cvtsd_si64): Likewise.
13438 (_mm_cvttsd_si64): Likewise.
13439 (_mm_cvtsi64_sd): Likewise.
13440 (_mm_cvtsi64_si128): Likewise.
13441 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13442 (_mm_cvtsi64_m64): Likewise.
13443 (_m_to_int64): Likewise.
13444 (_mm_cvtm64_si64): Likewise.
13445 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13446 (_mm_cvttss_si64): Likewise.
13447 (_mm_cvtsi64_ss): Likewise.
13448 (_mm_cvtss_f32): Likewise.
13450 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13452 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13453 for pragma redefine_extname.
13455 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13458 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13459 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13460 -mno-minimal-toc to previous content.
13461 (bispecs): Remove goal.
13462 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13463 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13464 compatibility aliases on powerpc-*-*gnu*.
13465 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13466 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13467 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13468 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13469 (ldblspecs): New goal.
13470 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13471 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13473 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13474 L_sf_to_tf or L_df_to_tf is defined.
13476 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13477 Alan Modra <amodra@bigpond.net.au>
13480 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13481 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13482 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13483 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13484 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13485 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13486 (rs6000_override_options): Initialize rs6000_ieeequad.
13487 Initialize TFmode format to ibm_extended_format if not
13489 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13491 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13492 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13493 (function_arg_advance): IBM long double passed in two FPRs, not
13495 (function_arg): IBM long double passed in FPRs.
13496 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13497 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13498 Only multireg GPR aligned.
13499 (rs6000_init_libfuncs): Enable IBM long double functions if not
13501 (rs6000_generate_compare): Use IBM long double compare if not
13503 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13504 (TARGET_IEEEQUAD): Define.
13505 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13506 not TARGET_IEEEQUAD.
13507 * config/rs6000/rs6000.md: Enable TFmode patterns if
13509 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13510 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13511 and -mlong-double-128 are incompatible.
13512 * doc/invoke.texi (-mabi): Collect options together. Add
13513 ibmlongdouble and ieeelongdouble.
13515 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13517 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13519 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13520 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13521 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13522 * rtl.h (rtunion_def): Remove rt_ptr.
13524 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13525 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13526 * config/i386/winnt.c (i386_pe_mark_dllexport)
13527 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13529 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13531 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13533 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13537 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13538 pthread_key_delete. From John David Anglin. gthrw-ify
13539 pthread_getunique_np only if it it's not a macro. Delete
13541 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13542 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13543 __gthread_objc_condition_signal, __gthread_key_delete): Add
13544 "__attribute__ ((__unused__))" to unused arguments.
13545 (__gthread_recursive_mutex_init_function): Add missing return.
13546 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13547 gthr-posix95.h: Use macro-based approach for name redirection
13548 on targets missing weakref.
13550 2006-01-26 Zack Weinberg <zackw@panix.com>
13552 * genconditions.c (write_header): In generated code, #ifdef out
13553 all includes and fake declarations, except includes of bconfig.h
13554 and system.h, unless GCC_VERSION >= 3001. Do not include
13555 gensupport.h in any case.
13556 (write_conditions): Generate a definition of struct c_test. Add
13557 a comment to the generated #endif.
13558 (write_one_condition): Escape backslashes in string too.
13559 (write_writer): Generated code must escape backslashes and quote
13560 marks (but not newlines) in the strings it writes.
13561 * Makefile.in (build/gencondmd.o): Update dependencies.
13563 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13566 * Makefile.in (insn-automata.o): Add header file dependencies.
13567 * genautomata.c: Add includes.
13569 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13572 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13574 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13576 * configure.ac: Expect target tools paths to be passed from the toplevel
13577 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13579 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13581 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13584 * c.opt (Wpointer-sign): Init to -1.
13585 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13586 OPT_pedantic, to 0 otherwise.
13587 * doc/invoke.texi: Update.
13589 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13591 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13592 constants provided by 80387 instructions in the destination mode.
13594 2006-01-26 Richard Guenther <rguenther@suse.de>
13595 Andrew Pinski <pinskia@physics.uc.edu>
13598 partial PR tree-opt/17064
13599 * tree-ssa-structalias.c (intra_create_variable_infos):
13600 Create heap variables for incoming parameters if
13601 flag_argument_noalias > 1.
13602 (find_what_p_points_to): Look through default defs of
13605 2006-01-26 Jeff Law <law@redhat.com>
13608 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13609 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13610 within the VR_RANGE, use the VR_RANGE as the result, not the
13612 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13613 bounds for the type.
13615 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13617 * tree-ssa-alias.c (maybe_create_global_var): Change
13618 subvar walking to an assertion that we don't have subvar'd variables.
13620 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13623 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13624 Use a new variable, inner. PARM_DECLs are always non-weak.
13626 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13628 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13629 --disable-checking.
13631 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13633 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13635 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13637 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13638 (smax_insn, smin_insn, smax_0, smin_0): New.
13640 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13643 * config/cris/cris.c (cris_order_for_addsi3): New function.
13644 * config/cris/cris-protos.h: Prototype it.
13645 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13646 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13647 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13648 (split for "op.S1 [rx=rx+i],ry (swapped)")
13649 (split for "op(s|u).S1 [rx=rx+i],ry")
13650 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13651 Apply cris_order_for_addsi3 when generating addsi3 insns.
13653 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13655 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13656 (TREE_BLOCK): Add call to EXPR_CHECK.
13658 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13661 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13662 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13663 (dump_omp_clauses): ... here.
13664 (dump_generic_node): Handle OMP_CLAUSE.
13665 * tree.c (omp_clause_num_ops): New.
13666 (omp_clause_code_name): New.
13667 (tree_code_size): Handle OMP_CLAUSE.
13668 (tree_size): Likewise.
13669 (make_node): Document handling of OMP_CLAUSE.
13670 (tree_node_structure): Handle OMP_CLAUSE.
13671 (omp_clause_check_failed): New.
13672 (omp_clause_range_check_failed): New.
13673 (omp_clause_operand_check_failed): New.
13674 (build_omp_clause): New.
13675 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13676 * tree.h (enum omp_clause_code): Declare.
13677 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13678 (OMP_CLAUSE_RANGE_CHECK): Define.
13679 (OMP_CLAUSE_ELT_CHECK): Define.
13680 (omp_clause_check_failed): Declare.
13681 (omp_clause_operand_check_failed): Declare.
13682 (omp_clause_range_check_failed): Declare.
13683 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13684 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13685 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13686 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13687 (OMP_CLAUSE_IF_EXPR): Likewise.
13688 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13689 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13690 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13691 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13692 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13693 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13694 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13695 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13696 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13697 (OMP_CLAUSE_CODE): Define.
13698 (OMP_CLAUSE_SET_CODE): Define.
13699 (OMP_CLAUSE_CODE): Define.
13700 (OMP_CLAUSE_OPERAND): Define.
13701 (struct tree_omp_clause): Declare.
13702 (union tree_node): Add field 'omp_clause'.
13703 * treestruct.def (TS_OMP_CLAUSE): Define.
13704 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13705 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13706 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13707 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13708 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13709 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13710 (OMP_CLAUSE): Define.
13711 * print-tree.c (print_node): Handle OMP_CLAUSE.
13712 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13713 * c-typeck.c: Likewise.
13714 * gimplify.c: Likewise.
13715 * c-omp.c: Likewise.
13716 * tree-nested.c: Likewise.
13717 * tree-inline.c: Likewise.
13718 * c-parser.c: Likewise.
13719 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13722 2006-01-25 Roger Sayle <roger@eyesopen.com>
13724 PR rtl-optimization/25703
13725 * combine.c (try_combine): Handle zero_extract and strict_low_part
13726 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13728 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13730 * global.c: Fix comment typos.
13732 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13735 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13736 Use output_addr_const instead of assemble_name.
13738 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13740 * Makefile.in (sched-vis.o): Update dependencies.
13741 * haifa-sched.c (sched_finish): Clear current_sched_info.
13742 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13743 (dump_flow_info): Call it.
13744 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13746 * basic-block.h (dump_bb_info): Declare.
13747 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13748 option, and apply options only for dump files whose TDF_RTL,
13749 TDF_TREE, or TDF_IPA bits match.
13750 * rtl.h: Declare new functions exported from sched-vis.c.
13751 * sched-vis.c: Enable also if scheduling is not used.
13752 (print_value): Print the mode of registers if not inside scheduling.
13753 (print_insn): Make it work outside the scheduler. Beautify the output
13755 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13757 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13759 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13760 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13761 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13762 depending on the value of CONSTANT_POOL_ADDRESS_P.
13763 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13765 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13766 rather than SYMBOL_REF_DECL.
13767 (rtx_constant_pool): Remove const_rtx_sym_htab.
13768 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13769 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13770 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13771 Remove handling of const_rtx_sym_htab.
13772 (find_pool_constant): Delete.
13773 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13774 rather than find_pool_constant.
13775 (get_pool_constant_for_function): Delete.
13776 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13777 find_pool_constant.
13778 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13779 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13780 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13781 (SYMBOL_REF_CONSTANT): New macro.
13782 (get_pool_constant_for_function): Delete.
13783 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13784 rather than SYMBOL_REF_DECL.
13785 (i386_pe_mark_dllimport): Likewise.
13786 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13787 rather than SYMBOL_REF_DECL.
13788 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13789 (machopic_indirect_call_target): Likewise.
13791 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13793 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13795 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13797 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13799 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13801 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13803 2006-01-24 David Daney <ddaney@avtrex.com>
13806 * configure.ac (enable_tls): New enable option.
13807 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13808 * configure: Regenerate.
13809 * doc/install.texi (--enable-tls): Document new option.
13810 (--disable-tls): Ditto.
13812 2006-01-24 Richard Henderson <rth@redehat.com>
13814 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13815 * alias.c (true_dependence): Respect it.
13816 (canon_true_dependence, write_dependence_p): Likewise.
13817 * builtins.c (get_builtin_sync_mem): Set it.
13819 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13821 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13824 2006-01-24 DJ Delorie <dj@redhat.com>
13826 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13827 for storing constants in single-bit bitfields.
13829 2006-01-25 Ben Elliston <bje@au.ibm.com>
13831 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13833 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13836 * tree-ssa-pre.c (phi_translate): Return NULL
13837 for AGGREGATE_TYPE's.
13839 2006-01-24 Zack Weinberg <zackw@panix.com>
13841 * genautomata.c (process_state_for_insn_equiv_partition):
13842 Use xcalloc for insn_arcs_array.
13843 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13844 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13846 2006-01-24 Richard Henderson <rth@redhat.com>
13848 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13849 update all callers.
13851 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13853 PR rtl-optimization/25890
13854 PR rtl-optimization/25905
13855 * combine.c (expand_compound_operation, expand_field_assignment):
13856 Fail if the bitfield's final position is out of bounds.
13858 2006-01-24 Ian Lance Taylor <ian@airs.com>
13860 PR middle-end/25930
13861 * cgraphunit.c (cgraph_output_in_order): Don't clear
13862 cgraph_asm_nodes until after asm strings have been output.
13864 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13866 * fix-header.c (read_scan_file): Add new parameter imultilib when
13867 calling register_include_chains.
13869 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13871 * omp-low.c: Update documentation.
13873 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13874 Daniel Berlin <dberlin@dberlin.org>
13878 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13879 return from the function.
13881 2006-01-22 Zack Weinberg <zackw@panix.com>
13883 * rtl.def (match_code): Add second argument.
13884 * genpreds.c (write_extract_subexp): New function.
13885 (write_match_code): Add path argument. Use write_extract_subexp.
13886 (write_predicate_expr): Pass path to write_match_code.
13887 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13888 not perform a mode test.
13889 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13890 a subexpression does not constrain the top-level code set.
13891 * read-rtl.c (read_rtx_variadic): New function.
13892 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13893 * doc/md.texi: Document new notation.
13894 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13895 (cmpsi_operand): ... here, using new notation.
13897 2006-01-22 Zack Weinberg <zackw@panix.com>
13899 * varray.c: Remove GENERATOR_FILE #ifdefs.
13901 2006-01-22 Zack Weinberg <zackw@panix.com>
13903 * genautomata.c (output_reserved_units_table): Emit nothing if
13904 description->query_units_num is zero. Remove extra blank line.
13905 (output_cpu_unit_reservation_p): Short circuit
13906 if description->query_units_num is zero.
13908 2006-01-22 Zack Weinberg <zackw@panix.com>
13910 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13911 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13912 nor any of the random handful of variables that used to be necessary
13913 when this program was linked with rtlanal.o. Prune set of forward
13914 function declarations.
13915 (struct attr_desc): Remove static_p field.
13916 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13917 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13918 (attr_string): Do not read the character one past the length of
13920 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13921 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13922 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13923 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13924 (make_automaton_attrs): New.
13925 (main): Do not call into genautomata. Call local gen_bypass
13926 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13927 Remove special case for insn_alts.
13928 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13929 varray.h (leftover from previous change). Prune set of forward
13930 function declarations. Remove state_alts fields from all
13931 structures. Remove state_alts_table from struct automaton.
13932 Make everything except main static. Do not maintain num_dfa_decls.
13933 Do not maintain state_alts fields of various structures.
13934 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13935 (add_arc): Remove state_alts argument. All callers updated.
13936 (output_reserved_units_table): Emit #ifdef here...
13937 (output_tables): ...not here. Don't generate state_alts tables.
13938 (expand_automata): Don't generate attributes.
13939 (write_automata): Don't generate state_alts functions.
13940 (main): New function.
13941 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13942 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13943 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13944 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13945 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13946 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13947 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13948 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13950 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13951 * genattrtab.h: Delete file.
13952 * Makefile.in (OBJS-common): Add insn-automata.o.
13953 (insn-automata.o): New rule.
13954 (simple_generated_c): Add insn-automata.c.
13955 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13956 (genprogmd): Add automata.
13957 (build/genattrtab): Needs no extra objects nor libraries.
13958 (build/genautomata): Needs build/vec.o and -lm.
13960 2006-01-22 Zack Weinberg <zackw@panix.com>
13962 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13963 (output_dfa_max_issue_rate, locked_states_num): Delete.
13964 (struct automaton): Add locked_states field.
13965 (output_dead_lock_vect): Save number of locked states in
13966 automaton->locked_states. If it is zero, don't print anything.
13967 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13968 (output_internal_dead_lock_func): Only test the dead_lock_vect
13969 for automata that have locked states.
13970 (output_statistics): Always print the number of locked states for
13971 each automaton. Calculate total number of locked states here.
13972 (write_automata): Don't call output_dfa_max_issue_rate.
13973 * genattrtab.c: Define length_unit_log as a const variable.
13974 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13975 max_insn_queue_index const.
13976 * final.c (length_unit_log): Declare const.
13977 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13979 2006-01-22 Zack Weinberg <zackw@panix.com>
13981 * genautomata.c: Include vec.h, not varray.h.
13982 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13983 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13984 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13985 VEC_* macros operating on appropriately typed vectors, or to
13986 malloced arrays when the size is known in advance. Const-ify
13987 many char* variables and function arguments. No functional changes.
13988 * Makefile.in (build/varray.o): Delete rule.
13989 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13990 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13992 2006-01-22 Zack Weinberg <zackw@panix.com>
13994 * gensupport.c: Define get_insn_name and record_insn_name here.
13995 (read_md_rtx): Call record_insn_name as appropriate.
13996 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13997 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13998 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14000 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14001 (BUILD_VARRAY): Delete.
14002 (genprognormal): Rename genprogmd. Fold in all programs from
14003 genprognoprint; also attrtab.
14004 (build/genattrtab): Just mention genautomata.o and varray.o.
14005 Reorganize a bit, add comments to make the categories clearer.
14007 2006-01-22 Zack Weinberg <zackw@panix.com>
14009 * genconditions.c (condition_table, add_condition): Delete.
14010 (write_conditions): Don't emit n_insn_conditions nor
14011 insn_elision_unavailable. Issue the gcc version #ifdef here,
14012 inside the table, with no #else clause ...
14013 (write_header): ...not here.
14014 (write_writer): New function.
14015 (main): Don't initialize condition_table. Use add_c_test.
14017 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14018 files on the command line.
14019 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14020 Return -1 if there is no entry in the table, don't abort.
14021 (add_c_test, traverse_c_tests): New functions.
14022 * gensupport.h (insn_elision_unavailable, insn_conditions)
14023 (n_insn_conditions): Delete declarations.
14024 (add_c_test, traverse_c_tests): Declare.
14025 * read-rtl.c: Include gensupport.h.
14026 (read_conditions): New function.
14027 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14028 (read_rtx_1): If we get EOF when we were looking for an initial
14029 open paren, return 0. Call read_conditions when appropriate.
14030 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14031 dummy-conditions.o. Eliminate references to insn-conditions.o,
14032 or change them to build/gencondmd.o, as appropriate. Remove
14033 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14034 from $(simple_generated_c). For all files remaining in those
14035 two lists, add insn-conditions.md to the generator command line.
14036 Give insn-constants.h/s-constants their own rules. Add rules
14037 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14038 (build/read-rtl.o): Depend on gensupport.h.
14039 (genprognormal): Include preds.
14040 (genprogearly): Rename genprognoprint; only difference is now that
14041 they don't link with $(BUILD_PRINT).
14042 * dummy-conditions.c: Delete.
14044 2006-01-22 Zack Weinberg <zackw@panix.com>
14046 * genextract.c: Don't include insn-config.h. Do include vec.h.
14047 Declare vectors of int, char, and locstr.
14048 (locstr): New typedef.
14049 (struct extraction): Make all array fields into bare pointers.
14050 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14051 (insn_code_number): Delete.
14052 (accum_extract): New struct.
14053 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14054 (gen_insn): Take insn_code_number as an argument. Use an
14055 accum_extract structure instead of loading data directly into
14056 a struct extraction, and having to know how big it might get.
14057 (walk_rtx): Operate entirely on an accum_extract structure.
14058 (print_path): Avoid unnecessary use of printf.
14059 (print_header): New function, split out of main. Distinguish
14060 more carefully between an unrecognizable insn and an insn that
14061 has the code number of a define_expand.
14062 (main): Pass insn_code_number to gen_insn. Call print_header
14063 only after parsing. Avoid unnecessary use of printf.
14064 * Makefile.in (build/vec.o): New rule.
14065 (build/genextract): Depend on build/vec.o.
14066 (build/genextract.o): Don't depend on insn-config.h.
14068 2006-01-22 Zack Weinberg <zackw@panix.com>
14070 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14071 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14072 practical. Eliminate per-generator-program link rules.
14074 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14076 PR middle-end/24437
14077 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14078 with a call expr to ...
14079 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14081 2006-01-23 Richard Guenther <rguenther@suse.de>
14083 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14084 before make_edge with conditional EDGE_TRUE_VALUE.
14086 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14087 Jan Hubicka <jh@suse.cz>
14088 Richard Guenther <rguenther@suse.de>
14090 PR rtl-optimization/25654
14091 * cfgexpand.c (aggregate_contains_union_type): New function.
14092 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14093 for structure variables that contain a union type.
14095 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14097 * gengtype.c (new_structure): Return the structure.
14098 (create_option): Add an extra "next" argument.
14099 (create_field): New function.
14100 (adjust_field_rtx_def): Use create_option and create_field.
14101 Remove a now-unnecessary call to find_structure.
14102 (adjust_field_tree_def): Likewise.
14103 (note_yacc_type): Remove an unnecessary call to find_structure.
14104 * gengtype.h (new_structure): Return the structure.
14105 (create_option): Add an extra argument.
14106 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14107 (option): Adjust calls to create_option.
14109 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14111 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14113 2006-01-22 Paul Brook <paul@codesourcery.com>
14114 Peter Barada <peter@the-baradas.com>
14116 * config/m68k/m68k.md: Add Coldfire FPU support.
14117 Define FP mode macro and associated attributes.
14118 Use it for float mode patterns.
14119 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14120 (LIBCALL_VALUE): Use m68k_libcall_value.
14121 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14122 (m68k_function_value): Ditto.
14123 (emit_move_sequence): Ditto.
14124 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14125 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14126 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14127 (MULTILIB_EXCEPTIONS): Ditto.
14128 * config/m68k/m68k.opt: Add mcfv4e.
14129 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14130 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14131 (m68k_output_function_prologue): Save ColdFire FPU registers.
14132 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14133 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14134 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14135 ColdFire FPU registers.
14136 (m68k_libcall_value, m68k_function_value): New functions.
14137 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14138 (LIBCALL_VALUE): Use m68k_libcall_value.
14139 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14140 (MASK_COLDFIRE): Add MASK_CFV4E.
14141 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14142 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14143 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14144 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14145 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14146 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14147 * doc/invoke.tex: Document -mcfv4e on m68k.
14149 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14151 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14154 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14157 * c-opts.c (c_common_handle_option): Don't include
14158 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14159 * doc/invoke.texi (C++ Dialect Options): Document that
14160 -Wnon-virtual-dtor is no longer included in -Wall.
14162 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14164 * gcov.c (print_version), gcov-dump.c (print_version),
14165 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14168 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14170 * df-scan.c (problem_SCAN): Added NULL reset function.
14171 (df_scan_reset_blocks): Added code to call reset block function
14172 (df_bb_refs_delete) Fixed comment.
14173 (df_insn_refs_delete): Made tolerant of deleting non existent info
14174 for dataflow problems that need to be reset.
14175 * df-core.c (df_set_blocks): Ditto.
14176 * df.h (struct df_problem): Added reset_fun.
14177 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14178 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14179 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14180 functions to clear out all references to def-use or use-def chains.
14182 2006-01-21 Ben Elliston <bje@au.ibm.com>
14184 * varasm.c (assemble_real): Initialise data array.
14186 2006-01-20 Paul Brook <paul@codesourcery.com>
14188 Merge from csl-arm-branch.
14189 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14190 * config/arm/arm.md (movdi): Force operands[1] to a register
14191 if we have a non-register source.
14192 (*arm_movdi, *movdf_soft_insn): Require that one of the
14193 operands be a register.
14194 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14195 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14197 2006-01-20 DJ Delorie <dj@redhat.com>
14199 * varasm.c (initializer_constant_valid_p): Allow pointers
14200 initialized from integer constants of lesser precision.
14201 (output_constant): Allow non-int-sized pointer modes to be
14202 initialized from integer constants.
14204 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14207 * cppdefault.h (struct default_include): Add multilib flag.
14208 * cppdefault.c (cpp_include_defaults): Set it.
14209 * c.opt (-imultilib): New option.
14210 * c-opts.c (imultilib): New.
14211 (c_common_handle_option): Handle -imultilib.
14212 (c_common_post_options): Likewise.
14213 * c-incpath.c (add_standard_paths, register_include_chains):
14215 * c-incpath.h (register_include_chains): Add extra parameter.
14216 * gcc.c (do_spec_1): Generate -imultilib option.
14217 (The Specs Language): Update %I description.
14218 (process_command): Update copyright notice.
14219 * doc/cppopts.texi (-imultilib): Document.
14220 * doc/invoke.texi (-imultilib): Include in option summary.
14221 (%I): Update specs documentation.
14223 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14225 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14227 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14229 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14232 2006-01-20 Richard Guenther <rguenther@suse.de>
14233 Steven Bosscher <stevenb.gcc@gmail.com>
14235 PR rtl-optimization/24626
14236 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14237 EDGE_TRUE_VALUE if in RTL mode.
14240 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14241 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14243 2006-01-20 Dirk Mueller <dmueller@suse.com>
14246 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14247 instead of a special NOP marker.
14248 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14249 NOP marker handling.
14250 * c-common.h (empty_body_warning): Add forward declaration.
14251 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14252 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14254 2006-01-20 Paul Brook <paul@codesourcery.com>
14256 * Makefile.in (lang_checks): Keep going if mkdir fails.
14258 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14260 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14261 be able to clean out basic block when not necessary.
14262 (df_scan_free): Fixed to properly delete information if df is
14263 unused before calling df_finish.
14264 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14265 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14267 (df_bb_refs_delete): New function.
14268 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14269 * df-core.c (df_set_blocks): Added code to properly clean out
14270 unused blocks if they are not part of the blocks to consider.
14271 Added additional null check.
14272 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14273 be able to clean out basic block when not necessary
14274 * df.h (df_free_bb_function): Ditto.
14275 (df_bb_refs_delete): New function.
14276 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14277 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14278 basic block parameter to be able to clean out basic block when not
14280 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14281 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14282 Fixed to properly delete information if df is unused before
14285 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14287 PR rtl-optimization/25799
14288 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14289 Corrected confluence operator to remove bits from op2 before oring
14290 with op1 rather than removing bits from op1.
14291 (df_ru_transfer_function): Corrected test on wrong bitmap which
14292 caused infinite loop. Both of these problems were introduced in
14293 the dataflow rewrite.
14295 2006-01-19 DJ Delorie <dj@redhat.com>
14297 * reload1.c (find_reload_regs): Note the details of reload
14298 failures in the dump file.
14299 (spill_failure): Likewise.
14301 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14303 * loop-iv.c: Include df.h and hashtab.h.
14304 (enum iv_grd_result): New enum.
14305 (DF_REF_IV, DF_REF_IV_SET): New macros.
14306 (struct biv_entry): New.
14307 (df, bivs): New global variables.
14308 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14309 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14311 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14312 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14313 analyzed_for_bivness_p, record_biv): New functions.
14314 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14315 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14316 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14318 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14320 (iv_number_of_iterations): Use new interface to iv analysis.
14321 * loop-unroll.c: Do not include varray.h.
14322 (analyze_iv_to_split_insn): Use new interface to iv
14324 * loop-unswitch.c (may_unswitch_on): Ditto.
14325 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14327 (df_bb_modify): Realloc tables to the new index.
14328 (df_find_use): New function.
14329 * df.h (df_find_use): Declare.
14330 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14332 * cfgloop.h (struct rtx_iv): Remove analysed field.
14333 (iv_get_reaching_def): Removed.
14334 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14335 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14336 (loop-iv.o): Add df.h and hashtab.h dependency.
14337 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14339 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14342 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14344 (__floatundisf, __floatundidf): Likewise.
14345 * libgcc2.h (IS_IBM_EXTENDED): Define.
14347 2006-01-19 DJ Delorie <dj@redhat.com>
14349 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14351 2006-01-19 Paul Brook <paul@codesourcery.com>
14353 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14354 as nothrow when unwinding tables are disabled.
14356 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14359 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14360 of bit-field" when in system header.
14362 2006-01-19 DJ Delorie <dj@redhat.com>
14364 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14365 the 16 bit shift limit of the m16c.
14367 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14370 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14371 * config/i386/i386.c (output_set_got): Output the label if we have one
14372 for the TARGET_DEEP_BRANCH_PREDICTION case.
14374 2006-01-19 Jan Hubicka <jh@suse.cz>
14375 H.J. Lu <hongjiu.lu@intel.com>
14376 Evandro Menezes <evandro.menezes@amd.com>
14378 * invoke.texi (generic): Document
14380 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14381 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14382 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14383 (x86_use_incdec, x86_pad_returns): New variables
14384 (TARGET_CPU_DEFAULT_generic): New constant
14385 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14386 (enum processor_type): Add generic32 and generic64.
14387 * i386.md (cpu attribute): Add generic32/generic64
14388 (movhi splitter): Behave sanely when both partial_reg_dependency and
14389 partial_reg_stall are set.
14390 (K8 splitters): Enable for generic as well.
14391 * predicates.md (incdec_operand): Use TARGET_INCDEC
14392 (aligned_operand): Avoid memory mismatch stalls.
14393 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14394 * ppro.md: Enable for generic32
14395 * i386.c (generic64_cost, generic32_cost): New.
14396 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14397 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14398 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14399 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14400 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14401 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14402 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14403 x86_accumulate_outgoing_args, x86_prologue_using_move,
14404 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14405 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14406 Enable for generic.
14407 (x86_use_incdec, x86_pad_returns): New.
14408 (override_options): Add generic32 and generic64, translate "generic"
14409 to generic32/generic64 and "i686" to "generic32", refuse
14410 "generic32"/"generic64" as arch target.
14411 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14412 (ix86_reorg): Honor PAD_RETURNS.
14414 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14416 * tree-pretty-print.c (dump_generic_node): Handle
14417 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14418 * cgraph.c (cgraph_expand_queue): Rename from
14419 cgraph_analyze_queue. Update all users.
14420 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14421 cgraph_expand_queue.
14422 (cgraph_expand_all_functions): Likewise.
14423 (cgraph_finalize_pending_functions): Remove. Update callers.
14425 * tree.h (OMP_DIRECTIVE_P): Define.
14426 (OMP_PARALLEL_FN): Define.
14427 (OMP_PARALLEL_DATA_ARG): Define.
14428 (OMP_SECTIONS_SECTIONS): Define.
14429 * tree-pass.h (pass_expand_omp): Declare.
14430 * omp-low.c (struct omp_region): Declare.
14431 (struct omp_context): Remove fields 'parallel_type',
14432 'parallel_start_ix' and 'parallel_start_additional_args'.
14434 (struct omp_for_data): Rename from struct expand_omp_for_data.
14435 (omp_regions): New static variable.
14436 (root_omp_region): New static variable.
14437 (find_omp_clause): Make static.
14438 (is_in_combined_parallel_ctx): Remove.
14439 (is_combined_parallel): New.
14440 (extract_omp_for_data): Move earlier in the file.
14441 (workshare_safe_to_combine_p): New.
14442 (get_ws_args_for): New.
14443 (determine_parallel_type): Move earlier in the file.
14444 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14446 (omp_copy_decl): Likewise.
14447 (create_omp_child_function): Likewise.
14448 (lookup_omp_region): New.
14449 (dump_omp_region): New.
14450 (debug_omp_region): New.
14451 (debug_all_omp_regions): New.
14452 (new_omp_region): New.
14453 (scan_omp_parallel): If parallel_nesting_level > 1, the
14454 directive is nested within another parallel directive.
14455 Set OMP_PARALLEL_FN.
14456 (scan_omp_for): Do not try to handle combined parallel+for
14458 Remove FIXME comment.
14459 (scan_omp_nested): Remove.
14460 (scan_omp_1): Do not call scan_omp_nested when
14461 parallel_nesting_level is > 1.
14462 Do not change the DECL_CONTEXT of local variables found.
14463 (lookup_decl_in_outer_ctx): New.
14464 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14465 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14466 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14467 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14468 If CTX is nested, lookup VAR in the outer context when
14469 building copy assignment.
14470 (lower_send_clauses): Rename from expand_send_clauses.
14471 If CTX is nested, lookup VAR in the outer context when
14472 building copy assignments.
14473 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14474 If CTX is nested, lookup VAR in the outer context when
14475 building copy assignments.
14476 (expand_parallel_call): Rename from build_parallel_call.
14477 Handle combined parallel+workshare cases.
14478 Re-implement to emit code into the CFG.
14480 (expand_omp_parallel): Re-implement to emit code into the CFG.
14481 Call move_sese_region_to_fn to outline the sub-graph
14482 containing the parallel region.
14483 (expand_omp_for_1): Remove.
14484 (expand_omp_for_generic): Re-implement to emit code into the
14486 (expand_omp_for_static_nochunk): Likewise.
14487 (expand_omp_for_static_chunk): Likewise.
14488 (expand_omp_for): Likewise.
14489 (expand_omp_sections): Likewise.
14490 (remove_exit_barriers): New.
14491 (expand_omp_synch): New.
14493 (build_omp_regions_1): New.
14494 (build_omp_regions): New.
14495 (execute_expand_omp): New.
14496 (gate_expand_omp): New.
14497 (pass_expand_omp): Define.
14498 (lower_omp_sections): Rename from expand_omp_sections.
14499 Set OMP_SECTIONS_SECTIONS.
14500 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14501 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14502 (lower_omp_single): Rename from expand_omp_simple.
14503 (lower_omp_master): Rename from expand_omp_master.
14504 (lower_omp_ordered): Rename from expand_omp_ordered.
14505 (lower_omp_critical): Rename from expand_omp_critical.
14506 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14507 (lower_omp_for): Re-implement.
14508 (lower_omp_parallel): Re-implement.
14509 (lower_regimplify): Rename from expand_regimplify.
14510 (lower_omp_1): Rename from expand_omp_1.
14511 If there are syntax errors in the program, replace every
14512 OpenMP directive with NOP.
14513 Call lower_omp_* instead of expand_omp_*.
14514 (lower_omp): Rename from expand_omp.
14516 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14517 * tree-gimple.h (enum omp_parallel_type): Remove.
14518 (gimple_boolify): Declare extern.
14519 (find_omp_clause, determine_parallel_type): Remove.
14521 * gimple-low.c (lower_omp_directive): New.
14522 (lower_stmt): Call it.
14523 (record_vars_into): Move from ...
14524 (record_vars): ... here.
14525 Call record_vars_into with current_function_decl.
14527 * gimplify.c (struct gimplify_ctx): Remove fields
14528 combined_pre_p and combined_ctxp. Update users.
14529 (get_formal_tmp_var): Add documentation.
14530 (gimple_boolify): Make extern.
14531 (gimplify_expr_in_ctx): Remove. Update callers.
14532 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14533 will always be a BIND_EXPR.
14534 (gimplify_expr): Handle OMP_RETURN_EXPR.
14535 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14536 (OMP_PARALLEL): Add 3 operands.
14537 (OMP_SECTIONS): Add 1 operand.
14538 (OMP_RETURN_EXPR): Define.
14540 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14541 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14542 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14543 creating a circular free list.
14544 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14546 * tree-flow.h (move_sese_region_to_fn): Declare.
14547 (record_vars_into): Declare.
14548 * tree-cfg.c (make_omp_sections_edges): New.
14549 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14550 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14551 OMP_SECTIONS and OMP_SECTION.
14552 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14553 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14554 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14555 (gather_blocks_in_sese_region): New.
14556 (struct move_stmt_d): Declare.
14557 (move_stmt_r): New.
14558 (move_block_to_fn): New.
14559 (move_sese_region_to_fn): New.
14561 * passes.c (init_optimization_passes): Schedule
14562 pass_expand_omp after pass_init_datastructures.
14564 * tree-ssa-operands.c (get_expr_operands): Handle
14565 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14566 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14568 2006-01-19 Jeff Law <law@redhat.com>
14570 * tree-vrp.c (extract_range_from_assert): Refine the result range
14571 if the variable referenced by the ASSERT_EXPR has a range and
14572 either the tentative result range or the previous range is a
14575 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14577 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14579 2006-01-19 Jan Hubicka <jh@suse.cz>
14581 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14583 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14585 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14586 (expand_compound_operation, expand_field_assignment): Fail if the
14587 bit lengths of an extract operation are out of range.
14588 (make_extraction): Compute wanted_inner_mode based on the position
14589 and length of the extraction. Make it extraction_mode for non-constant
14590 positions, and do not modify offset in that case. When generating a
14591 new MEM, use a mode that can hold the extraction while keeping correct
14592 alignment. Remove code that supported MEMs wrapped by USEs.
14593 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14595 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14597 * config/s390/s390.md ("Y", "y"): New mode attribute.
14598 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14599 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14600 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14601 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14602 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14603 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14604 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14605 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14606 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14607 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14608 "addsi3", "subsi3"): Insn patterns removed.
14609 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14610 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14611 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14612 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14613 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14614 "*sub<mode>3_cconly2"): New insn patterns.
14615 ("addsi3", "subsi3"): New expanders.
14617 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14619 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14620 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14621 existing STMT_VINFO_VECTYPE if available.
14622 (vect_mark_relevant): Add special handling for stmts that are
14623 marked as STMT_VINFO_IN_PATTERN_P.
14624 (vect_analyze_loop): Call vect_pattern_recog.
14625 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14626 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14628 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14629 (vect_recog_func_ptr): New function-pointer type.
14630 * tree-vect-patterns.c: New file.
14631 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14632 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14633 (vect_pattern_recog_1): New functions.
14634 (vect_pattern_recog_funcs): New array of function pointers.
14636 * tree-vectorizer.h (ternary_op): New enum value.
14637 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14638 declaration. Revised documentation. Removed redundant dump prints.
14639 Removed redundant argument. Added support for reduction patterns.
14640 (vectorizable_reduction): Added support for reduction patterns.
14641 (vect_transform_stmt): Added support for patterns.
14643 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14644 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14645 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14646 (expand_widen_pattern_expr): New function.
14647 (init_optabs): Initialize new optabs udot_prod_optab,
14649 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14650 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14651 (expand_widen_pattern_expr): New function declaration.
14652 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14654 * tree-inline.c (estimate_num_insns_1): Added cases for new
14655 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14656 * tree-pretty-print.c (dump_generic_node): Likewise.
14657 (op_prio): Likewise.
14658 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14659 * tree-ssa-operands.c (get_expr_operands): Added case for
14661 * tree-vect-patterns.c (widened_name_p): New function.
14662 (vect_recog_dot_prod_pattern): Added function implementation.
14663 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14664 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14665 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14666 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14668 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14669 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14670 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14671 (init_optabs): Initialize new optabs widen_ssum_optab,
14673 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14674 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14675 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14676 use instead of type of def.
14677 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14678 function implementation.
14679 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14680 widen_ssumv8hi): New.
14682 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14685 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14688 * c-decl.c (add_flexible_array_elts_to_size): New function.
14689 (finish_decl): Use it.
14691 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14693 * diagnostic.h: Include options.h.
14694 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14695 dependancies for diagnostic.h.
14696 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14698 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14700 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14701 (ssa_ro_call_cache_valid): Ditto.
14702 * tree-ssa-alias.c (sort_tags_by_id): New function.
14703 (init_transitive_clobber_worklist): Ditto.
14704 (add_to_worklist): Ditto.
14705 (mark_aliases_call_clobbered): Ditto.
14706 (compute_tag_properties): Ditto.
14707 (set_initial_properties): Ditto.
14708 (compute_call_clobbered): Ditto.
14709 (compute_may_aliases): Call compute_call_clobbered and grouping.
14710 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14711 (compute_flow_insensitive_aliasing): Grouping now happens in our
14713 (setup_pointers_and_addressables): Remove clobbering related code.
14714 (add_may_alias): Ditto.
14715 (replace_may_alias): Ditto.
14716 (get_nmt_for): Ditto.
14717 (create_global_var):
14718 (is_escape_site): Return an escape_type enumeration.
14719 * tree-flow-inline.h (is_call_clobbered): Global var does not
14720 imply call clobbered.
14721 (mark_call_clobbered): Take a reason for marking this. Remove
14722 marking of globalness, and cache invalidation.
14723 (clear_call_clobbered): Remove cache invalidation code.
14724 * tree-dfa.c (dump_variable): If details is on, dump the reason
14726 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14728 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14729 (struct var_ann_d): Ditto.
14730 (enum escape_type): New.
14731 (mark_call_clobbered): Adjust prototype.
14732 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14733 are never call clobbered.
14734 Record reasons for escaping.
14735 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14736 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14737 (ssa_ro_call_cache_valid): Ditto.
14738 (clobbered_v_may_defs): Ditto.
14739 (clobbered_vuses): Ditto.
14740 (ro_call_vuses): Ditto.
14741 (clobber_stats): New.
14742 (init_ssa_operands): Zero out clobber stats.
14743 (fini_ssa_operands): Print out clobber stats.
14744 (get_call_expr_operands): Pass callee fndecl to
14745 add_call_read_ops).
14746 (add_call_clobber_ops): Remove use of cache.
14747 Add use of PURE_CONST information.
14748 (add_call_read_ops): Remove use of cache.
14749 Add use of static not_read information.
14751 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14753 Introduce TLS descriptors for i386 and x86_64.
14754 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14755 (TARGET_ANY_GNU_TLS): New macro.
14756 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14757 (struct machine_function): Add tls_descriptor_call_expanded_p.
14758 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14759 (ix86_current_function_calls_tls_descriptor): Likewise.
14760 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14761 (override_options): Introduce gnu2 tls dialect.
14762 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14764 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14766 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14767 (ix86_init_machine_status): Initialize new field.
14768 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14769 (ix86_tls_module_base): New.
14770 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14771 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14772 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14773 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14774 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14775 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14776 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14777 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14778 * config/i386/predicates.md (tls_modbase_operand): New.
14779 (tp_or_register_operand): New.
14781 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14783 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14784 (look_for_address_of): Ditto.
14785 (ipa_init): Walk the function decls.
14786 (static_execute): Don't set readonly on FUNCTION_DECL's.
14788 2006-01-18 Roger Sayle <roger@eyesopen.com>
14790 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14791 for shifts where the source and destination registers are different.
14793 2006-01-18 Paul Brook <paul@codesourcery.com>
14795 Merge from csl-arm-branch.
14796 2005-03-14 Julian Brown <julian@codesourcery.com>
14797 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14798 (aeabi_llsl): Likewise.
14799 (ashrdi3): Likewise.
14800 (aeabi_lasr): Likewise.
14801 (lshrdi3): Likewise.
14802 (aeabi_llsr): Likewise.
14803 2005-03-10 Julian Brown <julian@codesourcery.com>
14804 * config.gcc: Disable shared libgcc for SymbianOS.
14805 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14807 2006-01-18 DJ Delorie <dj@redhat.com>
14809 * c-pragma.c (handle_pragma_diagnostic): New.
14810 (init_pragma): Register it.
14811 * doc/extend.texi: Document it.
14813 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14814 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14815 (diagnostic_context): Add classify_diagnostic[].
14816 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14817 as errors if they're overridden to DK_WARNING.
14818 (diagnostic_initialize): Initialize classify_diagnostic[].
14819 (diagnostic_set_kind_override): New.
14820 (diagnostic_report_diagnostic): Check for kind changes.
14821 * opts.c (common_handle_option): Take lang_mask. Update callers.
14822 Handle OPT_Werror_.
14823 * common.opt (Werror=): New.
14824 * doc/invoke.texi: Document -Werror=*
14826 2006-01-18 Jeff Law <law@redhat.com>
14828 * tree-vrp.c (test_for_singularity): Correct test for new
14829 min limit. Use operand_equal_p rather than pointer equality
14830 for testing if new min/max values are equal.
14832 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14833 using range information until after propagation and folding.
14835 2006-01-18 Richard Henderson <rth@redhat.com>
14836 Aldy Hernandez <aldyh@redhat.com>
14837 Jakub Jelinek <jakub@redhat.com>
14838 Diego Novillo <dnovillo@redhat.com>
14840 * omp-low.c: New file.
14841 * c-omp.c: New file.
14843 2006-01-18 Richard Henderson <rth@redhat.com>
14844 Jakub Jelinek <jakub@redhat.com>
14845 Diego Novillo <dnovillo@redhat.com>
14847 * doc/invoke.texi: Document -fopenmp.
14848 * tree-dump.h (debug_function): Declare.
14849 * hooks.c (hook_bool_tree_bool_false): New function.
14850 (hook_tree_tree_null): Remove.
14851 (hook_tree_tree_tree_null): New.
14852 * hooks.h: Update to match.
14853 * tree-pretty-print.c (debug_tree_chain): New.
14854 (print_generic_expr): Handle TDF_CHAIN.
14855 (dump_generic_node): Handle BLOCK.
14856 Do not abort with incomplete SWITCH_EXPRs.
14857 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14858 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14859 print space after directive name.
14860 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14861 Handle OMP_MASTER and OMP_ORDERED.
14862 Handle printing of OMP_BODY just in one place, goto
14863 dump_omp_body in the rest of OMP_* nodes that have
14865 Don't handle clause nodes here. Update omp statements to
14866 use dump_omp_clauses.
14867 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14868 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14869 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14870 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14871 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14872 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14873 Adjust output for GOMP_PARALLEL.
14874 (dump_omp_clauses): New.
14875 (print_declaration): Dump DECL_VALUE_EXPR.
14876 (op_symbol_1): Split out of op_symbol.
14877 (dumping_stmts): Remove. Update all users.
14878 * cgraph.c (cgraph_analyze_queue): New.
14879 (cgraph_add_new_function): New.
14880 * cgraph.h (cgraph_analyze_queue): Declare.
14881 (cgraph_add_new_function): Declare.
14882 (cgraph_lower_function): Remove.
14883 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14884 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14885 and TYPE_P nodes in its default clause.
14886 (empty_body_p): New.
14887 (tree_range_check_failed): New.
14888 (build5_stat): New.
14889 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14890 OMP_CLAUSE_REDUCTION_MERGE,
14891 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14892 OMP_CLAUSE_PRIVATE_DEBUG,
14893 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14894 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14895 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14896 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14897 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14898 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14899 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14900 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14901 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14902 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14903 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14904 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14905 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14906 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14907 (TREE_RANGE_CHECK): New.
14908 (empty_body_p): Declare.
14909 (enum omp_clause_default_kind): New.
14910 (build_string_literal): Declare.
14911 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14912 (build5_stat, build5): Declare.
14913 * tree-pass.h (TDF_CHAIN): Define.
14914 * tree-pass.h (PROP_gimple_lomp): Define.
14915 (pass_lower_omp): Declare.
14916 * diagnostic.h (debug_tree_chain): Declare.
14917 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14919 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14920 * builtins.c (build_string_literal): Make extern.
14921 * gcc.c (include_spec_function): New.
14922 (static_spec_functions): Add it.
14923 (main): Move load of libgomp.spec ...
14924 (LINK_COMMAND_SPEC): ... here.
14925 (link_gomp_spec): New.
14926 (static_specs): Include it.
14927 (LINK_COMMAND_SPEC): Add link_gomp.
14928 (GOMP_SELF_SPECS): New.
14929 (driver_self_specs): Include it.
14930 (switch_matches): Don't mark inline.
14931 (main): Load libgomp.spec.
14932 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14933 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14934 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14935 * tree-gimple.h (enum omp_parallel): Declare.
14936 (determine_parallel_type): Declare.
14937 (omp_firstprivatize_variable): Declare.
14938 (omp_reduction_init): Declare.
14939 (diagnose_omp_structured_block_errors): Declare.
14940 (struct walk_stmt_info): Add want_return_expr.
14941 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14942 (find_omp_clause): Declare.
14943 (insert_field_into_struct): Declare.
14944 (struct walk_stmt_info): Move from tree-nested.c
14945 (walk_stmts): Declare.
14946 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14948 * cgraphunit.c (cgraph_lower_function): Make static.
14949 (cgraph_finalize_pending_functions): New.
14950 (cgraph_finalize_function): Call it.
14951 (cgraph_finalize_compilation_unit): Likewise.
14952 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14953 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14954 (BT_FN_UINT_UINT): New.
14955 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14956 DEF_FUNCTION_TYPE_VAR_4): Document.
14957 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14958 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14959 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14960 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14961 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14962 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14963 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14964 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14965 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14966 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14967 into separate files.
14968 (DEF_GOMP_BUILTIN): New.
14969 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14970 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14971 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14972 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14973 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14974 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14975 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14976 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14977 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14978 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14979 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14980 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14981 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14982 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14983 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14984 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14985 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14986 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14987 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14988 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14989 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14990 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14991 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14992 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14993 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14994 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14995 * sync-builtins.def: New file, moved from builtins.def.
14996 * omp-builtins.def: New file, moved from builtins.def.
14997 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14998 * gimple-low.c (lower_function_body): Clear data.
14999 (lower_stmt): Do not handle COMPOUND_EXPR.
15000 Remove call to print_node_brief.
15001 * c-tree.h (c_finish_omp_clauses): New prototype.
15002 (C_DECL_THREADPRIVATE_P): Define.
15003 (lookup_name_no_remap, c_omp_remap_private): Remove
15004 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15005 (check_for_loop_decls): Update decl.
15006 (lookup_name_no_remap, c_omp_remap_private): Declare.
15007 (build_indirect_ref, build_modify_expr, pushdecl,
15008 pushdecl_top_level): Move to c-common.h.
15009 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15010 before the switch, but just in the 2 places that need it.
15011 * c-decl.c (diagnose_mismatched_decls): Do not check for
15012 mismatched thread-local attributes when OLDDECL is marked
15013 threadprivate and NEWDECL has no thread-local attributes.
15014 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15015 (c_gimple_diagnostics_recursively): Rename from
15016 c_warn_unused_result_recursively. Invoke
15017 diagnose_omp_structured_block_errors.
15018 (check_for_loop_decls): Return a singular decl found.
15019 * langhooks.c (lhd_omp_predetermined_sharing): Return
15020 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15021 (lhd_omp_firstprivatize_type_sizes): New.
15022 (lhd_omp_assignment): New.
15023 (lhd_omp_predetermined_sharing): New.
15024 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15025 (struct lang_hooks_for_types): Add
15026 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15027 omp_predetermined_sharing, omp_disregard_value_expr,
15028 omp_private_debug_clause, omp_clause_default_ctor,
15029 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15030 (c_finish_omp_clauses): New.
15031 (c_finish_bc_stmt): Diagnose break within omp for.
15032 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15033 (build_unary_op): Return error_mark after reporting
15035 (build_modify_expr): Likewise.
15036 * gimplify.c: Include optabs.h and pointer-set.h.
15037 (enum gimplify_omp_var_data): Declare.
15038 (struct gimplify_omp_ctx): Declare.
15039 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15041 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15042 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15043 (splay_tree_compare_decl_uid): New.
15044 (new_omp_context): New.
15045 (delete_omp_context): New.
15046 (gimple_add_tmp_var): Call omp_add_variable.
15047 (gimplify_bind_expr): Likewise.
15048 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15049 true, disregard DECL_VALUE_EXPR on the decl if any.
15050 (gimplify_expr_in_ctx): New.
15051 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15052 omp_add_variable, omp_notice_variable, omp_is_private
15053 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15054 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15055 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15056 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15057 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15058 gimplify_omp_atomic): New.
15059 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15060 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15061 OMP_CRITICAL and OMP_ATOMIC.
15062 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15063 * c-pragma.h (enum pragma_kind): Add
15064 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15065 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15066 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15067 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15068 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15069 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15070 PRAGMA_OMP_THREADPRIVATE.
15071 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15072 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15073 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15074 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15075 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15076 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15077 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15078 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15079 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15080 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15081 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15082 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15083 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15085 (struct nesting_info): Add field_map,
15086 suppress_expansion, debug_var_chain.
15087 (create_nesting_tree): Initialize them.
15088 (lookup_field_for_decl): Use field_map.
15089 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15090 (convert_local_omp_clauses): New.
15091 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15092 (walk_body): Split out of walk_function.
15093 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15094 (convert_nonlocal_reference): Handle omp statements.
15095 (convert_local_reference): Likewise.
15096 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15097 (unnest_nesting_tree): New.
15098 (lower_nested_functions): Call it.
15099 (insert_field_into_struct): Make extern.
15100 (struct walk_stmt_info): Move to tree-gimple.h.
15101 (walk_stmts): Make extern.
15102 * omp-builtins.def: New file.
15103 * tree-iterator.c (expr_only): Clarify comment.
15104 * c-common.h (pushdecl_top_level, pushdecl,
15105 build_modify_expr, build_indirect_ref,
15106 c_finish_omp_master, c_finish_omp_critical,
15107 c_finish_omp_ordered, c_finish_omp_barrier,
15108 c_finish_omp_atomic, c_finish_omp_flush,
15109 c_finish_omp_for, c_split_parallel_clauses,
15110 omp_clause_default_kind, c_omp_sharing_predetermined,
15111 c_omp_remap_decl): Declare.
15112 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15113 (OBJS-common): Add omp-low.o.
15114 (c-omp.o, omp-low.o): Add.
15115 (gimplify.o): Add dependency on $(OPTABS_H).
15116 (GTFILES): Add omp-low.c.
15117 (gt-stringpool.h): Add.
15118 * tree-cfg.c (set_bb_for_stmt): Do not update the
15119 block-to-labels map if we are currently expanding to RTL.
15120 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15122 Handle IDENTIFIER_NODE.
15123 (tree_verify_flow_info): Do not ICE when emitting error
15124 messages about invalid labels.
15125 (dump_function_to_file): Reset CFUN before emitting the body
15127 (debug_function): New.
15128 * passes.c (init_optimization_passes): Schedule
15130 * langhooks-def.h (lhd_omp_predetermined_sharing,
15131 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15133 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15134 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15135 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15136 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15137 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15138 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15139 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15140 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15141 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15142 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15143 (LANG_HOOK_DECLS): Use them.
15145 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15146 Richard Henderson <rth@redhat.com>
15147 Jakub Jelinek <jakub@redhat.com>
15148 Diego Novillo <dnovillo@redhat.com>
15150 * c-parser.c (pragma_omp_clause): Define.
15151 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15152 (c_parser_compound_statement): Likewise.
15153 (c_parser_statement): Likewise.
15154 (c_parser_pragma): Handle omp pragmas.
15155 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15156 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15157 (c_parser_omp_clause_name, check_no_duplicate_clause,
15158 c_parser_omp_variable_list,
15159 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15160 c_parser_omp_clause_copyprivate,
15161 c_parser_omp_clause_default,
15162 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15163 c_parser_omp_clause_lastprivate,
15164 c_parser_omp_clause_nowait,
15165 c_parser_omp_clause_num_threads,
15166 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15167 c_parser_omp_clause_reduction,
15168 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15169 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15170 c_parser_omp_atomic, c_parser_omp_barrier,
15171 c_parser_omp_critical, c_parser_omp_flush,
15172 c_parser_omp_for_loop, c_parser_omp_for,
15173 c_parser_omp_master, c_parser_omp_ordered,
15174 c_parser_omp_sections_scope, c_parser_omp_sections,
15175 c_parser_omp_parallel, c_parser_omp_single,
15176 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15177 * c-pragma.c (init_pragma): Do omp pragma registration here.
15178 * c.opt (fopenmp): New flag.
15180 2006-01-18 Eric Christopher <echristo@apple.com>
15182 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15183 * config/darwin.h (GOMP_SELF_SPECS): Define.
15185 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15187 * rtl.h: Remove the prototype for reg_alloc.
15189 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15192 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15193 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15194 sjlj and dwarf2 exception handling.
15195 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15196 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15197 * pa/pa.c (function_value): Treat complex and vector types as
15199 (function_arg): Likewise. Only pass scalar floats in the floating
15200 point argument registers.
15201 * pa/t-slibgcc-dwarf-ver: New file.
15202 * pa/t-slibgcc-sjlj-ver: New file.
15203 * pa/t-slibgcc-elf-ver: Delete file.
15205 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15207 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15208 unlikely_test_section_p test.
15210 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15212 * mode-switching.c (optimize_mode_switching): Make it static.
15213 * basic-block.h: Remove the prototype for
15214 optimize_mode_switching.
15216 * modulo-sched.c (sms_schedule): Make it static.
15217 * rtl.h: Remove the prototype for sms_schedule.
15219 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15220 * rtl.h: Remove the prototype for gcse_after_reload_main.
15222 * reg-stack.c (reg_to_stack): Make it static.
15223 * rtl.h: Remove the prototype for reg_to_stack.
15225 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15227 * rtl.h: Remove the prototypes for regrename_optimize and
15228 copyprop_hardreg_forward.
15230 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15232 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15233 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15234 Test against the appropriate null constant for the mode.
15235 If 'fixup_overlap' is true, swap the operands if they overlap.
15236 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15237 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15238 alpha_split_tmode_pair and adjust for above change.
15239 * config/alpha/alpha.md (movtf_internal): Adjust call to
15240 alpha_split_tfmode_pair and rely on it to swap the operands.
15241 (movti_internal): New insn and post-reload splitter.
15242 (movti): New expander.
15244 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15246 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15249 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15251 * rtlanal.c (global_reg_mentioned_p_1,
15252 global_reg_mentioned_p): Remove.
15253 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15255 * flow.c (initialize_uninitialized_subregs): Make it static.
15256 * rtl.h: Remove the prototype for
15257 initialize_uninitialized_subregs.
15259 * function.c (instantiate_virtual_regs): Make it static.
15260 * function.h: Remove the prototype for
15261 instantiate_virtual_regs.
15263 * regmove.c (regmove_optimize, combine_stack_adjustments):
15265 * rtl.h: Remove the prototypes for regmove_optimize and
15266 combine_stack_adjustments.
15268 2006-01-17 Roger Sayle <roger@eyesopen.com>
15270 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15271 (size_cost): Encode costs in bytes so that a reg-reg addition is
15272 equivalent to COSTS_N_INSNS(1).
15273 (override_options): Use the size_cost.branch_cost as the default
15274 ix86_branch_cost when optimizing for size.
15276 2006-01-18 Ben Elliston <bje@au.ibm.com>
15278 * Makefile.in (D32PBIT_FUNCS): New.
15279 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15280 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15281 D64PBIT_FUNCS and D128PBIT_FUNCS.
15282 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15283 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15285 (decnumber_dep): Define.
15286 * doc/libgcc.texi (Decimal float library routines): New node.
15287 * config/dfp-bit.h, config/dfp-bit.c: New files.
15289 2006-01-18 Ben Elliston <bje@au.ibm.com>
15291 * expr.c (emit_move_change_mode): Always adjust addresses, not
15292 just during reload. Copy replacements only during reload.
15293 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15294 emit_move_via_integer.
15296 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15298 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15299 instead of $(srcdir) and ${srcdir}.
15301 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15304 PR middle-end/11135
15305 * arm.h (struct machine_function): Add pic_reg.
15306 * arm.c (arm_pic_register): Make unsigned.
15307 (arm_override_options): Only set arm_pic_register if
15308 TARGET_SINGLE_PIC_BASE.
15309 (use_return_insn): Only test for a pic register if it is fixed.
15310 (arm_compute_save_reg0_reg12_mask): Likewise.
15311 (thumb_compute_save_reg_mask): Likewise.
15312 (legitimate_pic_operand): Factor out some known invariants.
15313 (legitimize_pic_address): If we don't have a fixed pic register,
15314 then set up a pseudo in the function entry sequence. Handle the
15315 pic base being in a pseudo.
15316 (arm_load_pic_register): Handle the pic register being in a pseudo.
15317 (arm_expand_prologue): Only set up the pic register if it is fixed.
15318 (thumb_expand_prologue): Likewise.
15319 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15320 (pic_load_addr_based_insn): Likewise.
15321 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15324 2006-01-18 Ben Elliston <bje@au.ibm.com>
15326 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15327 decimal float modes for all floating point registers.
15329 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15330 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15332 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15335 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15336 even when the pointer is not NULL.
15338 2006-01-16 Ian Lance Taylor <ian@airs.com>
15340 * common.opt (ftoplevel-reorder): New option.
15341 * cgraph.c (cgraph_asm_nodes): New global variable.
15342 (cgraph_asm_last_node): New static variable.
15343 (cgraph_order): New global variable.
15344 (cgraph_create_node): Set new order field.
15345 (cgraph_varpool_node): Likewise.
15346 (decide_is_variable_needed): Return true if not
15347 flag_toplevel_reorder.
15348 (cgraph_add_asm_node): New function.
15349 * cgraph.h (struct cgraph_node): Add order field.
15350 (struct cgraph_varpool_node): Add order field.
15351 (struct cgraph_asm_node): Define.
15352 (cgraph_asm_nodes, cgraph_order): Declare.
15353 (cgraph_add_asm_node): Declare.
15354 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15356 (cgraph_varpool_assemble_pending_decls): Call it.
15357 (cgraph_output_pending_asms): New static function.
15358 (cgraph_finalize_compilation_unit): Call it.
15359 (struct cgraph_order_sort): Define.
15360 (cgraph_output_in_order): New static function.
15361 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15362 !flag_toplevel_reorder case.
15363 * c-parser.c: Include "cgraph.h".
15364 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15366 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15367 than -fno-unit-at-a-time.
15368 * doc/invoke.texi (Option Summary): Mention
15369 -fno-toplevel-reorder.
15370 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15371 -funit-at-a-time documentation.
15373 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15374 Kazu Hirata <kazu@codesourcery.com>
15376 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15378 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15380 * Makefile.in (FUNCTION_H): New. Use it instead of
15381 function.h throughout the file.
15382 * function.h: Include tree.h.
15384 2006-01-17 Ben Elliston <bje@au.ibm.com>
15386 * recog.c: Separate some functions with whitespace.
15388 2006-01-16 Richard Henderson <rth@redhat.com>
15390 Merge from gomp branch:
15391 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15392 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15393 and rename from struct inline_data. Rename callee* to dst*;
15394 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15395 transform_new_cfg, transform_return_to_modify, and
15396 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15398 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15399 (copy_decl_for_dup): Remove.
15400 * tree-inline.c (struct inline_data): Move to header.
15401 (insert_decl_map): Export.
15402 (remap_decl): Update for member name changes. Use copy_decl hook.
15403 Allow for replacement to be a non-decl. Remove dead code.
15404 (remap_type_1): Check for existing mapping.
15405 (remap_type): Export.
15406 (remap_decls): Update for member name changes.
15407 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15408 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15409 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15410 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15411 (tree_function_versioning, build_duplicate_type): Likewise.
15412 (copy_body_r): Likewise. Export.
15413 (copy_decl_for_dup): Split into ...
15414 (copy_decl_for_dup_finish, copy_decl_to_var,
15415 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15416 (replace_ref_tree, inlining_p): Remove.
15418 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15420 * ifcvt.c (if_convert): Make it static.
15421 * rtl.h: Remove the prototype for if_convert.
15423 * local-alloc.c (local_alloc): Make it static.
15424 * rtl.h: Remove the prototype for local_alloc.
15426 * loop.c (loop_optimize): Make it static.
15427 * cfgloop.h: Remove the prototype for loop_optimize.
15430 2006-01-16 DJ Delorie <dj@redhat.com>
15432 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15435 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15437 * pa.md: Disparage copies between general and floating-point registers
15438 in 32-bit move patterns.
15440 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15443 * Makefile.in (check-%): Depend on site.exp instead of
15444 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15447 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15449 * global.c (global_alloc): Make it static.
15450 * rtl.h: Remove the prototype for global_alloc.
15452 2006-01-16 Richard Guenther <rguenther@suse.de>
15454 * tree-ssa-alias.c (struct used_part): Add write_only field.
15455 (get_or_create_used_part_for): Initialize it to true.
15456 (create_overlap_variables_for): Don't create structure variables
15457 for structures that only are written to.
15458 (find_used_portions): Handle MODIFY_EXPR to track whether a
15459 structure is only written to.
15461 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15463 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15465 * basic-block.h: Remove the prototype for
15466 partition_hot_cold_basic_blocks.
15468 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15470 * cppspec.c (lang_specific_spec_functions): Remove.
15471 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15472 * gcc.h (lang_specific_spec_functions): Remove.
15473 * gccspec.c (lang_specific_spec_functions): Remove.
15475 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15477 * combine.c (record_value_for_reg): Invalidate registers
15479 (record_dead_and_set_regs_1): Likewise, by passing them to
15480 record_value_for_reg.
15481 (record_dead_and_set_regs): Invalidate stores made by a
15482 call. We do not combine across a call, but we still
15483 relied on equivalences.
15485 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15487 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15488 vrp_int_const_binop returning non-constant nodes.
15490 2006-01-16 Paul Brook <paul@codesourcery.com>
15492 * config/m68k/m68k.c (output_move_const_into_data_reg):
15493 Output correct mnemonic for mvz and mvs.
15495 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15497 * rtl-factoring.c: Add sequence abstraction algorithm.
15498 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15499 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15501 (block_has_preserve_label): New function.
15502 * common.opt: Register new pass.
15503 * Makefile.in: Ditto.
15505 * timevar.def: Ditto.
15506 * tree-pass.h: Ditto.
15507 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15508 * rtl.h (make_jump_insn_raw): Add forward decl.
15509 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15511 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15512 Roger Sayle <roger@eyesopen.com>
15514 * fold-const.c (fold_minmax): New static function.
15515 (fold_binary) <MIN_EXPR>: Call it.
15516 <MAX_EXPR>: Likewise.
15517 * stor-layout.c (place_field): Use DECL_SIZE consistently
15518 in the computation of the new record size.
15520 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15522 * cse.c (cse_condition_code_reg): Make it static.
15523 * rtl.h: Remove the prototype for cse_condition_code_reg.
15525 * combine.c (combine_instructions): Make it static.
15526 * rtl.h: Remove the prototype for combine_instructions.
15528 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15531 * tree.c (get_file_function_name_long): Concatenate the first global
15532 object name with a string derived from the input filename of the object
15535 2006-01-16 Ben Elliston <bje@au.ibm.com>
15537 * config/i386/winnt-stubs.c: Update FSF address.
15538 * config/xtensa/ieee754-df.S: Ditto.
15539 * config/xtensa/ieee754-sf.S: Ditto.
15541 2006-01-14 Ian Lance Taylor <ian@airs.com>
15543 * ifcvt.c (noce_init_if_info): New static function, broken out of
15544 noce_process_if_block.
15545 (noce_process_if_block): Call noce_init_if_info.
15546 (check_cond_move_block): New static function.
15547 (cond_move_process_if_block): New static function.
15548 (process_if_block): Call cond_move_process_if_block.
15550 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15552 * cselib.c (hash_table): Rename to cselib_hash_table.
15553 (cselib_clear_table, discard_useless_values,
15554 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15555 cselib_init, cselib_finish): Adjust uses of hash_table.
15557 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15559 PR tree-optimization/25485
15560 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15561 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15562 is known to be false and true, respectively.
15564 2006-01-14 Richard Guenther <rguenther@suse.de>
15566 PR tree-optimization/22548
15567 PR tree-optimization/22555
15568 PR tree-optimization/22501
15569 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15570 * params.def (salias-max-array-elements): New parameter.
15571 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15572 * doc/invoke.texi (salias-max-array-elements): Document.
15573 * tree-flow-inline.h (var_can_have_subvars): We also handle
15575 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15577 * tree-ssa-structalias.c (params.h): Include.
15578 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15579 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15580 (get_constraint_for): For ADDR_EXPR operating on something
15581 containing an ARRAY_REF, add all subvars to the solution.
15582 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15583 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15584 for creating MUST_DEFs.
15585 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15587 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15589 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15591 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15592 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15593 number_of_iterations_le): New functions.
15594 (number_of_iterations_special): Removed.
15595 (number_of_iterations_exit): Do not use number_of_iterations_special.
15596 * tree.c (unsigned_type_for): Always return integer type.
15598 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15599 Richard Guenther <rguenther@suse.de>
15601 PR rtl-optimization/24257
15602 * gcse.c (find_moveable_store): Only consider a store movable
15603 when the SET_SRC of the insn can be assigned to a register.
15605 2006-01-14 Ian Lance Taylor <ian@airs.com>
15607 * tree.c (tree_not_class_check_failed): New function.
15608 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15609 (tree_not_class_check_failed): Declare.
15611 2006-01-13 Ian Lance Taylor <ian@airs.com>
15613 * reload1.c (do_output_reload): Add assertion rejecting a
15616 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15618 * combine.c (struct reg_stat): Add new fields truncation_label and
15620 (record_value_for_reg): Reset truncated_to_mode.
15621 (record_truncated_value): New function.
15622 (check_promoted_subreg): Call it. Rename to check_conversions.
15623 (combine_instructions): Rename check_promoted_subreg to
15625 (reg_truncated_to_mode): New function.
15626 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15627 (gen_lowpart_or_truncate): New function.
15628 (force_to_mode): Use it instead of gen_lowpart.
15630 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15632 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15633 VAR is a tag, not its type tag.
15635 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15637 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15638 alternatives to match style of other entries.
15639 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15641 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15643 PR tree-optimization/25771
15644 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15647 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15650 * tree-inline.c (declare_return_variable): If the return variable
15651 was marked as a non gimple complex, set the return slot variable
15652 to be a non gimple comple variable.
15654 2006-01-13 Richard Guenther <rguenther@suse.de>
15656 * builtins.c (expand_builtin_sincos): New function.
15657 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15659 (expand_builtin): Expand sincos using expand_builtin_sincos.
15661 2006-01-12 DJ Delorie <dj@redhat.com>
15663 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15664 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15665 so that constant shifts can be split.
15666 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15667 (m32c_valid_pointer_mode): Make static.
15668 (shift_gen_func_for): New.
15669 (m32c_prepare_shift): Use it. Split large const shifts into
15671 * config/m32c/predicates.md (shiftcount_operand): Allow more
15673 (longshiftcount_operand): New.
15674 * doc/md.texi (Machine Constraints): Document In6.
15676 2006-01-13 Ben Elliston <bje@au.ibm.com>
15678 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15679 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15682 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15684 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15685 to try to avoid clobbering pieces of structures when we know
15686 something about the whole structure.
15687 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15689 2006-01-13 Ben Elliston <bje@au.ibm.com>
15691 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15692 return in memory, as this is no limitation is no longer present.
15694 2006-01-12 DJ Delorie <dj@redhat.com>
15696 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15697 mova with fb, and for fb+0 -> An.
15699 * config/m32c/mov.md (peephole2): Fix enabling logic.
15701 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15702 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15703 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15704 FINI_ARRAY_SECTION_ASM_OP): Define.
15706 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15708 (m32c_legitimize_reload_address): New logic to reload FB to An.
15709 (m32c_output_reg_push): Add newline.
15710 (m32c_output_reg_pop): Likewise.
15712 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15714 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15716 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15718 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15720 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15722 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15725 2006-01-11 Ben Elliston <bje@au.ibm.com>
15727 * rtlanal.c (find_reg_note): Assert insn is not null.
15729 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15731 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15734 2006-01-11 Jeff Law <law@redhat.com>
15736 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15738 (mark_threaded_blocks, register_jump_thread): New functions.
15739 (thread_through_all_blocks): Remove unwanted argument. No
15740 longer rely on e->aux to communicate thread target info.
15741 Call mark_threaded_blocks. Release the threaded_blocks
15742 bitmap and threaded_edges vector when complete.
15743 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15744 (threaded_blocks): Remove.
15745 (tree_ssa_dominator_optimize): Remove initialization and
15746 finalization of threaded_blocks. Simplify call to
15747 thread_through_all_blocks.
15748 (thread_across_edge): Call register_jump_thread rather than
15749 storing thread information into e->aux.
15750 (free_all_edge_infos): Simplify now that e->aux is no longer
15751 used to communicate with thread_through_all_blocks.
15752 * tree-flow.h (thread_through_all_blocks): Update prototype.
15753 (register_jump_thread): Prototype.
15755 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15757 * df-core.c (df_compact_blocks, df_bb_replace): Use
15758 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15760 2006-01-11 Richard Guenther <rguenther@suse.de>
15762 PR tree-optimization/25734
15763 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15764 stop propagation after successful propagation to the LHS.
15766 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15768 * basic-block.h (control_flow_graph): Change the type of
15769 x_basic_block_info to VEC(basic_block,gc) *.
15770 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15772 (SET_BASIC_BLOCK): New.
15773 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15774 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15775 * cfgbuild.c (find_basic_blocks): Likewise.
15776 * cfglayout.c (fixup_reorder_chain): Likewise.
15777 * cfgrtl.c (create_basic_block_structure,
15778 rtl_create_basic_block): Likewise.
15779 * ifcvt.c (find_if_case_1): Likewise.
15780 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15783 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15785 * Makefile.in: Removed rotted odf.c entry.
15787 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15790 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15791 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15792 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15793 output pattern modifier, not %e.
15794 * config/cris/cris.c (cris_op_str): Update comment about pattern
15796 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15797 before falling through into...
15798 <case 'E'>: Redefined from old 'e' case.
15800 2006-01-11 Jan Hubicka <jh@suse.cz>
15803 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15805 2006-01-11 Jan Hubicka <jh@suse.cz>
15807 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15808 * i386.c (x86_decompose_lea): Kill.
15809 (ix86_rtx_costs): Kill.
15811 2006-01-11 Jan Hubicka <jh@suse.cz>
15813 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15814 * cgraph.h (cgraph_node): Add inline_decl.
15815 (cgraph_insert_node_to_hashtable): Declare.
15816 (save_inline_function_body): Declare.
15817 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15819 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15820 (cgraph_function_versioning): Update call of tree_function_versioning.
15821 (save_inline_function_body): New function.
15822 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15823 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15824 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15825 (cgraph_default_inline_p): Likewise.
15826 (cgraph_decide_inlining_incrementally): Likewise.
15827 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15828 (copy_bb): Kill saving; do updating of clones.
15829 (copy_cfg_body): Kill saving.
15830 (initialize_inlined-parameters): Likewise.
15831 (expand_call_inline): Likewise.
15833 (tree_function_versioning): New parameter "update_clones".
15834 (inlining_p): Kill saving.
15835 * tree-inline.h (tree_function_versioning): Update prototype.
15836 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15839 2006-01-11 Ian Lance Taylor <ian@airs.com>
15841 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15842 Allow undoing set of machine mode.
15843 (do_SUBST): Use enums instead of is_int.
15844 (do_SUBST_MODE): New function.
15845 (SUBST_MODE): New macro.
15846 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15847 reg and trying to replace reg_regno_rtx with a new register.
15848 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15849 (simplify_set): Use SUBST_MODE.
15850 (distribute_notes): Remove code that tried to update reg notes
15851 for regno_reg_rtx changes.
15853 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15855 PR tree-optimization/23109
15856 PR tree-optimization/23948
15857 PR tree-optimization/24123
15859 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15860 * tree-cfg.c (single_noncomplex_succ): New.
15861 * tree-flow.h (single_noncomplex_succ): Declare it.
15862 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15863 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15864 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15865 insert_bb, register_division_in, insert_reciprocals,
15866 replace_reciprocal, free_bb): New.
15867 (execute_cse_reciprocals_1): Rewritten.
15868 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15869 Do not commit any edge insertion. Always compute dominators and
15870 create the allocation pool.
15871 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15872 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15873 * targhooks.c (default_min_divistions_for_recip_mul): New.
15874 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15875 * passes.c (init_optimization_passes): Run recip after tree loop
15877 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15879 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15880 Kenneth Zadeck <zadeck@naturalbridge.com>
15882 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15883 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15884 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15885 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15886 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15887 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15888 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15889 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15890 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15891 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15892 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15893 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15894 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15895 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15896 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15897 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15898 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15899 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15900 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15901 DF_SCAN_POST_ALLOC): New macros.
15902 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15903 df_free_bb_function, df_local_compute_function, df_init_function,
15904 df_dataflow_function, df_confluence_function_0,
15905 df_confluence_function_n, df_transfer_function,
15906 df_finalizer_function, df_free_function, df_dump_problem_function,
15907 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15908 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15909 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15910 df_urec_bb_info, ) New types.
15911 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15913 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15914 df_analyze_simple_change_some_blocks,
15915 df_analyze_simple_change_one_block, df_compact_blocks,
15916 df_bb_replace, df_bb_regno_last_use_find,
15917 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15918 df_insn_regno_def_p, df_find_def, df_find_use,
15919 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15920 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15921 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15922 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15923 debug_df_chain, df_get_dependent_problem, df_chain_create,
15924 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15925 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15926 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15927 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15928 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15929 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15930 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15931 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15932 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15933 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15934 df_reorganize_refs, df_set_state, df_hard_reg_init,
15935 df_read_modify_subreg_p) New public functions.
15936 * df-core.c: The core dataflow solver and glue routines for rtl
15938 (df_init, df_add_problem, df_set_blocks, df_finish,
15939 df_hybrid_search_forward, df_hybrid_search_backward,
15940 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15941 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15942 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15943 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15944 df_reg_defined, df_find_use, df_reg_used, df_dump,
15945 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15946 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15947 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15948 debug_df_useno, reset_df_after_reload): New functions.
15949 * df-scan.c: The scanning fuctions, once in df.c, completely
15950 rewritten so that they now fully model the functionality of
15951 register usage at the backend.
15952 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15953 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15954 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15955 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15956 df_get_artificial_defs, df_get_artificial_uses,
15957 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15958 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15959 df_refs_delete, df_reorganize_refs, df_set_state,
15960 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15961 df_def_record_1, df_defs_record, df_uses_record,
15962 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15963 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15964 df_record_exit_block_uses, df_hard_reg_init): New functions.
15966 * df-problems.c: Seven concrete dataflow problems that use the
15967 scanning in df-scan.c and are solved by the engine in df-core.c.
15968 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15969 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15970 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15971 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15972 df_ru_free_bb_info, df_ru_alloc,
15973 df_ru_bb_local_compute_process_def,
15974 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15975 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15976 df_ru_transfer_function, df_ru_free, df_ru_dump,
15977 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15978 df_rd_free_bb_info, df_rd_alloc,
15979 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15980 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15981 df_rd_transfer_function, df_rd_free, df_rd_dump,
15982 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15983 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15984 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15985 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15986 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15987 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15988 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15989 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15990 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15991 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15992 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15993 df_urec_mark_reg_use_for_earlyclobber,
15994 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15995 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15996 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15997 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15998 df_chain_create_bb_process_use, df_chain_create_bb,
15999 df_chain_finalize, df_chain_free, df_chains_dump,
16000 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16001 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16002 df_reg_lifetime): New functions.
16003 * df.c: Deleted file.
16004 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16005 consistent with new df api.
16006 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16007 rest_of_handle_sms): Ditto.
16008 * web.c (unionfind_union, union_defs, entry_register, web_main):
16010 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16011 invariant_expr_equal_p, find_defs, check_dependencies,
16012 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16013 free_inv_motion_data, move_loop_invariants): Ditto.
16014 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16015 Update dependencies.
16016 (odf.c): Added defective entry that was deleted later in day.
16017 * sched-deps.c (sched_analyze_1): Ditto.
16019 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16021 * tree-ssa-operands.c (get_expr_operands): Record addressable
16022 variables directly. Do not call add_stmt_operands for CONST_DECLs
16024 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16025 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16027 2006-01-11 Ben Elliston <bje@au.ibm.com>
16029 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16030 function returns true in the positive case.
16032 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16035 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16036 for SI, DI, SF and DF modes. Add alternatives to copy between
16037 general and floating point registers to the 32-bit patterns.
16038 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16039 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16040 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16041 generating 64-bit code.
16042 * config/pa/pa.c (output_move_double): Handle copies between general
16043 and floating registers.
16045 2006-01-10 Stuart Hastings <stuart@apple.com>
16047 * config/i386/i386.md (set_got): Update.
16048 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16049 (builtin_setjmp_receiver): Mach-O support.
16050 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16051 (GOT_SYMBOL_NAME): Define.
16052 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16053 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16054 * config/i386/i386.c (override_options): Revise for Darwin.
16055 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16056 support. (darwin_x86_file_end): New. (output_set_got): Add label
16057 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16058 * config/i386/i386-protos.h (output_set_got): Likewise.
16059 * config/darwin.c (machopic_legitimize_pic_address): Update
16062 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16064 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16065 when MODE isn't BLKmode.
16067 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16069 PR rtl-optimization/25367
16070 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16072 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16075 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16076 for a negative bound.
16078 2006-01-10 Richard Guenther <rguenther@suse.de>
16080 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16081 Never override with anything constraint.
16083 2006-01-10 Jan Beulich <jbeulich@novell.com>
16085 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16086 256 bits when optimize_size.
16088 2006-01-10 Jan Beulich <jbeulich@novell.com>
16090 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16092 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16093 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16096 2006-01-10 Ben Elliston <bje@au.ibm.com>
16098 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16100 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16101 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16102 (USE_FP_FOR_ARG): Reject decimal float modes.
16103 (function_arg_advance): Likewise.
16104 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16105 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16106 point types in AltiVec vectors.
16107 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16108 (rs6000_libcall_value): Likewise.
16110 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16112 * config/xtensa/ieee754-df.S: New file.
16113 * config/xtensa/ieee754-sf.S: New file.
16114 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16115 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16116 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16118 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16120 * config/sh/predicates.md (binary_float_operator,
16121 binary_logical_operator, commutative_float_operator,
16122 equality_comparison_operator, greater_comparison_operator,
16123 less_comparison_operator, logical_operator,
16124 noncommutative_float_operator, shift_operator,
16125 symbol_ref_operand, unary_float_operator): Remove redundant
16128 2006-01-09 Jeff Law <law@redhat.com>
16130 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16131 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16132 now unused arguments. Callers updated.
16133 (eliminate_redundant_computations): Remove now unused arguments,
16135 (local_fold): Remove, no longer used.
16136 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16138 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16139 (simplify_cond): New function.
16140 (forward_propagate_into_cond): Call simplify_cond.
16142 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16144 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16145 (*vec_extractv2di_1_sse): New.
16147 2006-01-09 Ben Elliston <bje@au.ibm.com>
16149 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16151 2006-01-08 Richard Guenther <rguenther@suse.de>
16153 * tree-ssa-structalias.c (get_constraint_for): Remove
16154 anyoffset argument.
16155 (get_constraint_for_component_ref): Likewise.
16156 (do_deref): Likewise.
16157 (get_constraint_for): Likewise.
16158 (do_structure_copy): Likewise.
16159 (handle_ptr_arith): Likewise.
16160 (find_func_aliases): Likewise. Remove unused need_anyoffset
16163 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16164 Kaz Kojima <kkojima@gcc.gnu.org>
16166 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16167 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16168 (EXTRA_CONSTRAINT_C16): Remove.
16169 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16170 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16171 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16172 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16173 constants of SHmedia. Handle nested constant expressions of
16175 (andcosts): Fix the costs for SHmedia constants.
16176 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16177 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16178 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16179 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16180 (movv4hi_i, movv2si_i): Likewise.
16181 (movsi_const): Adjust the second operand of ior so to match with
16182 the Csu constraint.
16183 (movdi_const, movdi_const_32bit): Likewise.
16184 (movdi_const_16bit+1): Don't sign-extend LOW.
16185 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16187 (*double_shori): Fix the split condition. Use GEN_INT instead
16188 of get_int_mode calls. Mask lower 16-bit of the argument of
16190 (sym2GOTPLT): Remove.
16191 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16193 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16194 instead of EXTRA_CONSTRAINT_C16.
16196 2006-01-07 Ian Lance Taylor <ian@airs.com>
16197 David Edelsohn <edelsohn@gnu.org>
16199 PR rtl-optimization/25662
16200 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16201 for constant operands instead of simplify_gen_binary.
16202 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16203 after trying simplify_binary_operation
16205 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16207 * tree.c (iterative_hash_expr): Hash decls based on UID.
16209 2006-01-06 Eric Christopher <echristo@apple.com>
16211 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16212 (TARGET_UNWIND_EMIT): Fix spelling.
16213 * target.h (gcc_target): Add except_table_label.
16214 * except.c (output_function_exception_table): Use.
16215 * varasm.c (default_emit_except_table_label): New.
16216 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16218 (asm_out): Add here.
16219 * output.h (default_emit_except_table_label): Prototype.
16220 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16221 * config/darwin.c (darwin_emit_except_table_label): Define.
16222 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16224 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16226 PR tree-optimization/18527
16227 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16228 number_of_iterations_special, number_of_iterations_exit):
16229 Move base and step of an iv to a single structure. Add
16230 no_overflow flag, and use it in # of iterations analysis.
16231 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16232 folded_casts argument.
16233 (simple_iv): Pass base and step in a structure. Set no_overflow
16235 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16236 Evaluate expensiveness of computing # of iterations instead of
16237 the final expression.
16238 * tree-scalar-evolution.h (affine_iv): New structure.
16239 (simple_iv): Declaration changed.
16240 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16241 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16242 find_givs_in_stmt): Changed due to simple_iv change.
16244 2006-01-06 Jeff Law <law@redhat.com>
16247 * tree-cfg.c (bsi_replace): Rename final argument from
16248 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16249 change (stmt -> orig_stmt).
16250 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16251 (bsi_remove): Add new argument. Remove EH information
16253 (verify_eh_throw_table_statements): New function.
16254 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16256 * tree-optimize.c (execute_free_cfg_annotations): Verify
16257 the EH throw statement table after removing annotations.
16258 * except.h (verify_eh_throw_table_statements): Prototype.
16259 * tree-flow.h (bsi_remove): Update prototype.
16260 * tree-vrp.c (remove_range_assertions): Add new argument to
16262 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16263 * tree-complex.c (expand_complex_div_wide): Likewise.
16264 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16265 * tree-tailcall.c (eliminate_tailcall): Likewise.
16266 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16267 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16268 * tree-nrv.c (tree_nrv): Likewise.
16269 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16270 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16271 (combine_blocks): Likewise.
16272 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16273 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16274 (cleanup_control_flow): Likewise.
16275 (remove_forwarder_block): Likewise.
16276 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16277 * tree-sra.c (sra_replace): Likewise.
16278 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16279 (forward_propagate_single_use_vars): Likewise.
16280 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16281 * tree-inline.c (expand_call_inline): Likewise.
16282 * tree-vect-transform.c (vect_transform_loop): Likewise.
16283 * tree-outof-ssa.c (rewrite_trees): Likewise.
16284 * tree-cfg.c (make_goto_expr_edges): Likewise.
16285 (cleanup_dead_labels): Likewise.
16286 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16287 (bsi_move_before, bsi_move_after): Likewise.
16288 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16289 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16291 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16294 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16296 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16297 on non gimple variables. Also add checks at the top for decls and
16299 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16301 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16302 and IMAGPART_EXPR for creating MUST_DEFs.
16303 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16304 and NAME_MEMORY_TAG separately from the DECLs.
16306 2006-01-06 Richard Guenther <rguenther@suse.de>
16308 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16309 annotation, if necessary.
16310 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16311 redundant calls to update_stmt.
16312 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16315 2006-01-05 Richard Henderson <rth@redhat.com>
16317 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16319 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16321 * c-typeck.c: Update copyright date.
16323 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16325 * c-typeck.c (build_c_cast): Always warn when casting
16326 from a pointer to an integer of different size, even if
16327 the node was constant.
16329 2006-01-05 Richard Guenther <rguenther@suse.de>
16331 PR tree-optimization/22555
16332 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16333 if one structure field is an array.
16334 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16335 operands even if we found a subvar, but ignore VOPs in this
16337 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16339 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16341 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16343 PR middle-end/24998
16344 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16346 2006-01-05 Richard Guenther <rguenther@suse.de>
16347 Diego Novillo <dnovillo@redhat.com>
16349 * tree-pass.h (TODO_remove_unused_locals): Define.
16350 * gimple-low.c (expand_var_p, remove_useless_vars,
16351 pass_remove_useless_vars): Remove. Update all users.
16352 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16353 (remove_unused_locals): New function.
16354 * tree-flow.h (remove_unused_locals): Declare.
16355 * passes.c (execute_todo): Call remove_unused_locals if
16356 TODO_remove_unused_locals is set.
16357 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16358 * tree-ssa-dce.c (pass_dce): Likewise.
16359 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16361 2006-01-05 Richard Guenther <rguenther@suse.de>
16363 * tree-flow.h (struct fieldoff): Decompose field to
16364 type, size and decl.
16365 * tree-ssa-alias.c (create_sft): Take type as parameter.
16366 (create_overlap_variables_for): Store type, size and decl
16367 in the fieldoff structure.
16368 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16369 of struct fieldoff.
16370 (push_fields_onto_fieldstack): Likewise.
16371 (create_variable_info_for): Likewise. Use offset for the
16372 SFT name if the decl is not available.
16374 2006-01-04 Paul Brook <paul@codesourcery.com>
16376 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16378 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16380 * lambda-code.c (can_put_in_inner_loop): Relax
16382 (can_put_after_inner_loop): New function.
16383 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16384 (perfect_nestify): Change to make copies and modify uses.
16386 2006-01-04 Richard Henderson <rth@redhat.com>
16388 Merge from gomp branch:
16389 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16390 via integer constant.
16391 (pragma_lex): Remove.
16392 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16393 rather than parsing it.
16394 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16395 handle_pragma_extern_prefix): Add %< %> quotes.
16396 (registered_pragmas): New.
16397 (c_register_pragma_1): New.
16398 (c_register_pragma): Use it.
16399 (c_register_pragma_with_expansion): Likewise.
16400 (c_invoke_pragma_handler): New.
16401 (init_pragma): Use cpp_register_deferred_pragma directly for
16403 * c-pragma.h (enum pragma_kind): New.
16404 (pragma_handler): New.
16405 (c_invoke_pragma_handler): Declare.
16406 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16408 * c-common.h (c_common_pch_pragma): Update decl.
16409 * Makefile.in (c-parser.o): Update dependencies.
16410 (GTFILES): Add c-pragma.h.
16411 * c-parser.c (struct c_token): Add pragma_kind.
16412 (struct c_parser): Add in_pragma.
16413 (c_lex_one_token): Always initialize keyword and pragma_kind.
16414 Extract data for CPP_PRAGMA.
16415 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16416 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16417 Don't allow CPP_PRAGMA_EOL if in_pragma.
16418 (c_parser_consume_pragma): New.
16419 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16420 (c_parser_skip_to_end_of_parameter): Likewise.
16421 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16422 (c_parser_skip_to_pragma_eol): New.
16423 (c_parser_external_declaration): Handle CPP_PRAGMA.
16424 (c_parser_compound_statement_nostart): Likewise.
16425 (c_parser_statement_after_labels): Likewise.
16426 (c_parser_pragma): New.
16427 (pragma_lex): Likewise.
16428 (c_parser_pragma_pch_preprocess): New.
16429 (c_parser_new): Merge into ...
16430 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16432 2006-01-04 Jeff Law <law@redhat.com>
16435 * tree-cfg.c (bsi_replace): Remove the original statement
16436 from the EH throw statement table.
16438 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16440 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16441 make the prototype extern "C" and add throw ().
16444 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16445 and pos non-negative and pos + len <= 32.
16446 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16447 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16448 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16451 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16452 as well as sizes not multiple of component size.
16455 * function.c (instantiate_expr): New function.
16456 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16457 walk its DECL_VALUE_EXPR with instantiate_expr.
16459 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16460 DW_OP_deref{,_size} if address isn't going to be added.
16462 2006-01-04 Ben Elliston <bje@au.ibm.com>
16464 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16465 * config/fp-bit.c: Likewise.
16467 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16469 * dominance.c: Add comment about why we use DFS numbering
16472 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16473 Richard Henderson <rth@redhat.com>
16475 Merge from gomp-branch:
16476 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16477 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16479 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16481 PR rtl-optimization/25578
16482 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16483 pass a parameter to simplify_shift_const if changing ASHIFTRT
16486 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16488 * builtins.c (get_builtin_sync_mem): New function.
16489 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16490 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16491 Call get_builtin_sync_mem to generate mem rtx.
16493 2006-01-03 Richard Guenther <rguenther@suse.de>
16496 * stmt.c (add_case_node): Make sure to clear overflow flags
16499 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16501 Merge from gomp-branch.
16502 * config/sparc/sync.md: New file.
16503 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16504 UNSPECV_LDSTUB): New constants.
16505 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16506 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16507 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16510 2006-01-03 Roger Sayle <roger@eyesopen.com>
16512 * combine.c (reg_subword_p): New predicate to test whether the
16513 destination of a set refers to a subword/piece of a register.
16514 (try_combine): Generalize the code to merge the setting of a
16515 pseudo to a constant followed by a set of a subword of that
16516 register to a constant.
16518 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16520 * basic-block.h (control_flow_graph): Change the type of
16521 x_label_to_block_map to VEC(basic_block,gc) *.
16522 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16523 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16525 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16526 VEC(basic_block,heap) *.
16527 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16528 ssa_prop_fini): Adjust the uses of cfg_blocks.
16530 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16532 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16534 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16535 hashing trees instead of a pointer hash.
16536 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16537 compare for MEM_EXPR.
16539 PR rtl-optimization/25130
16540 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16541 when comparing MEMs for GCSE
16543 2006-01-03 Ben Elliston <bje@au.ibm.com>
16545 * targhooks.h (default_decimal_float_supported_p): Declare.
16546 * targhooks.c (default_decimal_float_supported_p): Define.
16547 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16548 `default_decimal_float_supported_p'.
16549 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16551 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16553 * combine.c (apply_distributive_law <SUBREG>): Check
16554 TRULY_NOOP_TRUNCATION.
16556 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16558 * dwarf2out.c (have_switched_text_section): Delete.
16559 (have_multiple_function_sections): New.
16560 (have_location_lists): Make 'bool'.
16561 (add_AT_loc_list): Use 'true' not '1'.
16562 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16563 (output_loc_list): Use have_multiple_function_sections.
16564 (output_ranges): Likewise.
16565 (dwarf2out_begin_function): Set have_multiple_function_sections if
16567 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16568 Check function_section rather than DECL_SECTION_NAME.
16569 (dwarf2out_finish): Use have_multiple_function_sections.
16570 Don't clear have_location_lists.
16572 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16573 Jan Hubicka <jh@suse.cz>
16575 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16576 case of conditional jump jumping to the next instruction.
16577 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16578 cases of conditional jump jumping to the next instruction.
16580 2006-01-02 Jan Hubicka <jh@suse.cz>
16582 * i386.c (*_cost): Add COSTS_N_INSNS.
16583 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16585 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16588 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16590 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16592 * config/arm/arm.c (all_fpus): Fix comment typo.
16593 * config/darwin.c: Likewise.
16594 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16595 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16596 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16598 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16600 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16601 (rs6000_split_compare_and_swapqhi): New.
16602 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16603 (sync_compare_and_swapqhi_internal): New.
16604 * config/rs6000/rs6000-protos.h: Declare.