1 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3 * gcc/unwind-dw2.h: Move cfa-related variables into
4 struct frame_state_reg_info to ensure that the CFA is properly
5 handled when executing DW_CFA_{remember,restore}_state.
6 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
7 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
8 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
9 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
10 gcc/config/rs6000/linux-unwind.h,
11 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
12 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
13 Modify to use new cfa_* fields.
15 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
17 * config/s390/s390.c (s390_init_frame_layout): Check positive
20 2006-10-26 Ben Elliston <bje@au.ibm.com>
22 * gimplify.c (get_name): Remove extraneous break.
23 (gimplify_omp_for): Initialise ret with GS_OK.
25 2006-10-25 Steve Ellcey <sje@cup.hp.com>
27 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
28 Add unix98.o to link line.
30 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
33 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
34 Calculate compile-time constants using MPFR.
35 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
36 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
38 2006-10-25 Bob Wilson <bob.wilson@acm.org>
40 * config/xtensa/lib2funcs.S: Use C-style comments.
42 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
44 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
45 (file_table_relative_p): Likewise.
46 (dwarf2out_finish): Likewise.
47 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
49 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
51 * tree-ssa-structalias.c (intra_create_variable_infos):
52 Don't recreate nonlocal_all if it already exists.
54 2006-10-25 Richard Guenther <rguenther@suse.de>
57 * optabs.h (enum optab_index): Remove OTI_lrint.
58 (enum convert_optab_index): Add COI_lrint.
59 (lrint_optab): Adjust.
60 (expand_sfix_optab): Declare.
61 * optabs.c (expand_sfix_optab): New function.
62 (init_optabs): Init lrint_optab as conversion optab.
63 * genopinit.c (lrint_optab): Change to a conversion optab.
64 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
65 expansion via conversion optab.
66 * config/i386/i386.md (*fistdi2_1): Remove
67 flag_unsafe_math_optimizations guard.
68 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
69 fist<mode>2_with_temp): Likewise.
70 (lrint<mode>2): Split into...
71 (lrintxf<mode>2): ... x87 part
72 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
73 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
74 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
75 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
76 * doc/md.texi (lrintMN2): Document.
78 2006-10-25 Uros Bizjak <uros@kss-loka.si>
81 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
82 Use inc and dec instructions for TARGET_USE_INCDEC.
83 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
84 ("sync_double_compare_and_swap<mode>"): Likewise.
85 ("*sync_double_compare_and_swapdi_pic"): Likewise.
86 ("*sync_compare_and_swap_cc<mode>"): Likewise.
87 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
88 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
89 ("sync_old_add<mode>"): Likewise.
90 ("sync_lock_test_and_set<mode>"): Likewise.
91 ("sync_lock_test_and_set<mode>"): Likewise.
92 ("sync_add<mode>"): Likewise.
93 ("sync_sub<mode>"): Likewise.
94 ("sync_ior<mode>"): Likewise.
95 ("sync_and<mode>"): Likewise.
96 ("sync_xor<mode>"): Likewise.
98 2006-10-25 Uros Bizjak <uros@kss-loka.si>
100 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
101 (remainder_optab): Define corresponding macro.
102 (drem_optab): Remove.
103 * optabs.c (init_optabs): Initialize remainder_optab. Remove
104 drem_optab initialization.
105 * genopinit.c (optabs): Implement remainder_optab using
106 remainder?f3 patterns. Remove drem_optab.
107 * builtins.c (expand_builtin_mathfn_2): Handle
108 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
109 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
110 expand_builtin_mathfn_2.
112 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
113 depend on flag_unsafe_math_optimizations.
115 * config/i386/i386.md ("remaindersf3", "remainderdf3")
116 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
117 Do not depend on flag_unsafe_math_optimizations. Use
118 truncxf?f expander instead of truncxf?f_i387_noop.
120 ("fpremxf4", "fprem1xf4"): Do not depend on
121 flag_unsafe_math_optimizations.
122 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
123 flag_unsafe_math_optimizations. Use truncxf?f expander
124 instead of truncxf?f_i387_noop.
126 * doc/md.texi (fmod, remainder): Document standard named pattern.
128 2006-10-24 Richard Sandiford <richard@codesourcery.com>
129 David Daney <ddaney@avtrex.com>
132 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
134 2006-10-25 Ben Elliston <bje@au.ibm.com>
136 * doc/extend.texi (Variable Attributes): Typo fix.
138 2006-10-24 Uros Bizjak <uros@kss-loka.si>
140 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
141 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
142 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
143 (FRAME_POINTER_REGNUM): Update register number to 21.
144 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
145 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
147 * config/i386/i386.c (regclass_map): Add fpcr entry.
148 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
150 (print_reg): Assert REGNO (x) != FPCR_REG.
152 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
153 (DIRFLAG_REG): Renumber.
154 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
155 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
156 (sse_prologue_save, *sse_prologue_save_insn): Renumber
157 hardcoded SSE register numbers.
159 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
160 hardcoded MMX register numbers.
162 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
165 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
166 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
168 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
169 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
170 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
171 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
173 2006-10-24 Richard Guenther <rguenther@suse.de>
176 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
177 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
178 for deciding optimizations in consistency with fold-const.c
179 (fold_builtin_unordered_cmp): Likewise.
181 2006-10-24 Richard Guenther <rguenther@suse.de>
183 * builtins.c (fold_builtin_floor): Fold floor (x) where
184 x is nonnegative to trunc (x).
185 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
186 nonnegative to FIX_TRUNC_EXPR.
188 2006-10-24 Richard Guenther <rguenther@suse.de>
190 PR tree-optimization/29567
191 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
192 for TRUTH_NOT_EXPR. Clarify comments.
194 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
198 at compile-time using MPFR. Change parameter VALUE to FUNC,
200 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
201 for overflow and underflow at all times and avoid folding in
204 2006-10-24 Ben Elliston <bje@au.ibm.com>
206 * reload1.c: Formatting fixes.
208 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
210 PR tree-optimization/14784
211 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
212 * tree-ssa-structalias.c (get_constraint_for,
213 intra_create_variable_infos): Set is_heapvar.
214 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
215 non-heapvar pointer variables specially.
217 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
220 * builtins.c (fold_builtin_sin, fold_builtin_cos,
221 fold_builtin_tan): Fold all constant arguments. Take a "type"
222 argument as necessary.
224 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
226 2006-10-23 Bob Wilson <bob.wilson@acm.org>
228 * config/xtensa/lib1funcs.asm: Use C-style comments.
230 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
232 * tree.c (local_define_builtin): Replace calls to
233 lang_hooks.builtin_function with add_builtin_function.
234 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
236 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
238 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
239 common code to add_builtin_function.
240 * langhooks.c (add_builtin_function): New function.
241 (lhd_builtin_function): New function.
242 * langhooks.h (struct lang_hooks): Change the signature of
244 (add_builtin_function): New function.
245 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
246 calls to lang_hooks.builtin_function with add_builtin_function.
247 * c-common.c (decl_builtin_1): Replace calls to
248 lang_hooks.builtin_function with add_builtin_function.
249 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
250 lang_hooks.builtin_function with add_builtin_function.
251 * config/frv/frv.c (def_builtin): Replace calls to
252 lang_hooks.builtin_function with add_builtin_function.
253 * config/s390/s390.c (s390_init_builtins): Replace calls to
254 lang_hooks.builtin_function with add_builtin_function.
255 * config/sparc/sparc.c (def_builtin): Replace calls to
256 lang_hooks.builtin_function with add_builtin_function.
257 * config/i386/i386.c (def_builtin): Replace calls to
258 lang_hooks.builtin_function with add_builtin_function.
259 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
260 lang_hooks.builtin_function with add_builtin_function.
261 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
262 lang_hooks.builtin_function with add_builtin_function.
263 * config/stormy16/stormy16.c (xstormy16_init_builtins):
264 Replace calls to lang_hooks.builtin_function with
265 add_builtin_function.
266 * config/iq2000/iq2000.c (def_builtin):
267 Replace calls to lang_hooks.builtin_function with
268 add_builtin_function.
269 * config/ia64/ia64.c (def_builtin): Replace calls to
270 lang_hooks.builtin_function with add_builtin_function.
271 * config/rs6000/rs6000.c (def_builtin): Replace calls to
272 lang_hooks.builtin_function with add_builtin_function.
273 (altivec_init_builtins): Replace calls to
274 lang_hooks.builtin_function with add_builtin_function.
275 * config/arm/arm.c (def_mbuiltin): Replace calls to
276 lang_hooks.builtin_function with add_builtin_function.
277 (arm_init_tls_builtins): Replace calls to
278 lang_hooks.builtin_function with add_builtin_function.
279 * config/mips/mips.c (mips_init_builtins): Replace calls to
280 lang_hooks.builtin_function with add_builtin_function.
281 * config/bfin/bfin.c (def_builtin): Replace calls to
282 lang_hooks.builtin_function with add_builtin_function.
283 * langhooks-def.h (lhd_builtin_function): New function.
284 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
286 2006-10-23 Jakub Jelinek <jakub@redhat.com>
288 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
289 BUILT_IN_STRNCAT_CHK.
291 2006-10-23 Jan Hubicka <jh@suse.cz>
293 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
294 don't do conversion from memmove to memcpy here.
295 (expand_builtin_bcopy, expand_builtin): Update call of
296 expand_builtin_memmove.
297 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
299 2006-10-23 Paul Brook <paul@codesourcery.com>
301 * stor-layout.c (start_record_layout): maximum_field_alignment
302 overrides STRUCTURE_SIZE_BOUNDARY.
304 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
306 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
307 nonlocal function symbols if flag_pic.
309 2006-10-23 Richard Guenther <rguenther@suse.de>
313 * builtins.c (fold_binary): Remove checks for flag_wrapv
314 and flag_trapv where negate_expr_p covers these cases.
316 2006-10-23 Richard Guenther <rguenther@suse.de>
319 * fold-const.c (fold_plusminus_mult_expr): Check exact power
320 of two on the absolute value.
321 (fold_binary): Fold x * -C to -x * C if x is easily negatable
322 and negating -C does not overflow.
324 2006-10-23 Richard Guenther <rguenther@suse.de>
327 * convert.c (convert_to_real): Fold (float)-x to -(float)x
328 only if not flag_rounding_math.
330 2006-10-22 Richard Sandiford <richard@codesourcery.com>
331 Kaz Kojima <kkojima@gcc.gnu.org>
334 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
335 SImode memory reference for the source of a movua.
336 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
337 (movua): Use an unspec instead of sign_extract. Expect the source
338 to have mode BLKmode.
339 (extv, insv): Use a BLKmode rather than SImode memory reference
340 for the source of a movua.
342 2006-10-22 Jeff Law <law@redhat.com>
343 Richard Guenther <rguenther@suse.de>
345 PR tree-optimization/15911
346 * tree-vrp.c (extract_code_and_val_from_cond): New function.
347 (register_edge_assert_for_1): Likewise.
348 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
349 (find_conditional_asserts): Adjust for new function signature.
350 (find_assert_locations): Likewise.
352 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
354 * config/i386/tmmintrin.h: Remove the duplicated content.
356 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
358 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
359 (x86_64-*-*): Likewise.
361 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
362 (override_options): Check SSSE3.
363 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
364 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
365 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
366 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
367 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
368 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
369 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
370 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
371 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
372 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
373 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
374 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
375 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
376 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
377 IX86_BUILTIN_PABSD128.
378 (bdesc_2arg): Add SSSE3.
379 (bdesc_1arg): Likewise.
380 (ix86_init_mmx_sse_builtins): Support SSSE3.
381 (ix86_expand_builtin): Likewise.
382 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
384 * config/i386/i386.md (UNSPEC_PSHUFB): New.
385 (UNSPEC_PSIGN): Likewise.
386 (UNSPEC_PALIGNR): Likewise.
387 Include mmx.md before sse.md.
389 * config/i386/i386.opt: Add -mssse3.
391 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
392 (ssse3_phaddwv4hi3): Likewise.
393 (ssse3_phadddv4si3): Likewise.
394 (ssse3_phadddv2si3): Likewise.
395 (ssse3_phaddswv8hi3): Likewise.
396 (ssse3_phaddswv4hi3): Likewise.
397 (ssse3_phsubwv8hi3): Likewise.
398 (ssse3_phsubwv4hi3): Likewise.
399 (ssse3_phsubdv4si3): Likewise.
400 (ssse3_phsubdv2si3): Likewise.
401 (ssse3_phsubswv8hi3): Likewise.
402 (ssse3_phsubswv4hi3): Likewise.
403 (ssse3_pmaddubswv8hi3): Likewise.
404 (ssse3_pmaddubswv4hi3): Likewise.
405 (ssse3_pmulhrswv8hi3): Likewise.
406 (ssse3_pmulhrswv4hi3): Likewise.
407 (ssse3_pshufbv16qi3): Likewise.
408 (ssse3_pshufbv8qi3): Likewise.
409 (ssse3_psign<mode>3): Likewise.
410 (ssse3_psign<mode>3): Likewise.
411 (ssse3_palignrti): Likewise.
412 (ssse3_palignrdi): Likewise.
413 (abs<mode>2): Likewise.
414 (abs<mode>2): Likewise.
416 * config/i386/tmmintrin.h: New file.
418 * doc/extend.texi: Document SSSE3 built-in functions.
420 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
422 2006-10-22 Ira Rosen <irar@il.ibm.com>
424 * tree-vect-transform.c (vectorizable_load): Use the type of the
425 return value of the mask_for_load builtin to create realign_load
428 2006-10-22 Richard Sandiford <richard@codesourcery.com>
430 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
433 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
435 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
436 (UNSPEC_LDDQU): This.
437 * config/i386/sse.md (sse3_lddqu): Updated.
439 2006-10-21 Richard Guenther <rguenther@suse.de>
441 * builtins.c (expand_builtin_int_roundingfn_2): New function.
442 (expand_builtin): Use it to expand lrint instead of
443 expand_builtin_mathfn.
445 2006-10-21 Uros Bizjak <uros@kss-loka.si>
448 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
449 flag_unsafe_math_optimizations is set.
451 2006-10-21 Uros Bizjak <uros@kss-loka.si>
454 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
455 patterns to use memory input operand in x87->mem->XMM
456 reload sequences. Skip transformation for TARGET_K8.
458 2006-10-21 Uros Bizjak <uros@kss-loka.si>
460 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
461 force operand1 to register if both operands are memory operands.
462 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
463 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
464 if both operands are memory operands.
465 (truncdfsf2): Do not force operand1 to register if both operands
468 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
470 * Makefile.in (LIBS): Add $(GMPLIBS).
471 * doc/install.texi: Update GMP and MPFR requirements.
472 * doc/sourcebuild.texi (need_gmp): Delete.
474 2006-10-21 Richard Guenther <rguenther@suse.de>
476 PR tree-optimization/3511
477 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
478 got new invariant arguments during PHI translation.
480 2006-10-21 Richard Guenther <rguenther@suse.de>
483 * fold-const.c (fold_comparison): Fold signed comparisons
484 of the form X +- C1 CMP Y +- C2.
486 2006-10-21 Richard Guenther <rguenther@suse.de>
489 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
490 if flag_unsafe_math_optimizations is specified. We have
491 flag_finite_math_only for that.
492 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
493 or flag_unsafe_math_optimizations.
495 2006-10-21 Richard Guenther <rguenther@suse.de>
497 * builtins.c (fold_builtin_classify): Fix typo.
499 2006-10-21 Richard Guenther <rguenther@suse.de>
502 * simplify-rtx.c (simplify_const_relational_operation):
503 Do not constant-fold ORDERED and UNORDERED for
504 flag_unsafe_math_optimizations but only we do not need to
505 honor NaNs for the given mode.
507 2006-10-21 Richard Guenther <rguenther@suse.de>
510 * config/i386/i386.c (classify_argument): Remove redundant
511 walking of the BINFOs.
512 (contains_128bit_aligned_vector_p): Likewise.
514 2006-10-20 Mark Mitchell <mark@codesourcery.com>
516 * BASE-VER: Set to 4.3.0.
518 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
520 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
521 (tree_decl_with_vis): Remove artificial_pta_var flag.
522 * tree-flow.h (referenced_var_check_and_insert): Expose.
523 (nonlocal_all): New prototype.
524 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
525 (nonlocal_all): Make global.
526 (nonlocal_lookup): Remove.
527 (nonlocal_insert): Ditto.
528 (create_nonlocal_var): Do not call nonlocal_insert.
529 (get_nonlocal_id_for_type): Remove.
530 (find_global_initializers): Mark new vars we find for renaming.
531 (intra_create_variable_infos): Only create one nonlocal.
532 (expand_nonlocal_solutions): Remove.
533 (compute_points_to_sets): Don't call it.
534 (ipa_pta_execute): Ditto.
535 (init_alias_heapvars): Don't create nonlocal_for_type.
536 (delete_alias_heapvars): Don't remove it.
537 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
540 2006-10-19 Brooks Moses <bmoses@stanford.edu>
542 * doc/install.texi (Downloading GCC): Clarify mention of
543 Fortran in the "full distribution" description.
545 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
547 Fix PR tree-optimization/28778
548 Fix PR tree-optimization/29156
549 Fix PR tree-optimization/29415
550 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
551 (tree_decl_with_vis): Add artificial_pta_var flag.
552 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
554 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
555 (nonlocal_all): Ditto.
556 (struct variable_info): Add directly_dereferenced member.
557 (var_escaped_vars): New variable.
558 (escaped_vars_tree): Ditto.
559 (escaped_vars_id): Ditto.
560 (nonlocal_vars_id): Ditto.
561 (new_var_info): Set directly_dereferenced.
562 (graph_size): New variable
563 (build_constraint_graph): Use graph_size.
564 (solve_graph): Don't process constraints that cannot change the
565 solution, don't try to propagate an empty solution to our
567 (process_constraint): Set directly_dereferenced.
568 (could_have_pointers): New function.
569 (get_constraint_for_component_ref): Don't process STRING_CST.
570 (nonlocal_lookup): New function.
571 (nonlocal_insert): Ditto.
572 (create_nonlocal_var): Ditto.
573 (get_nonlocal_id_for_type): Ditto.
574 (get_constraint_for): Allow results vector to be empty in the case
576 Handle results of calls properly.
577 (update_alias_info): Update alias info stats on number and type of
579 (find_func_aliases): Use could_have_pointers.
580 (make_constraint_from_escaped): Renamed from
581 make_constraint_to_anything, and changed to make constraints from
583 (make_constraint_to_escaped): New function.
584 (find_global_initializers): Ditto.
585 (create_variable_info_for): Make constraint from escaped to any
586 global variable, and from any global variable to the set of
588 (intra_create_variable_infos): Deal with escaped instead of
589 pointing to anything.
590 (set_uids_in_ptset): Do type pruning on directly dereferenced
592 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
593 (init_base_vars): Fix comment, and initialize escaped_vars.
594 (need_to_solve): Removed.
595 (find_escape_constraints): New function.
596 (expand_nonlocal_solutions): Ditto.
597 (compute_points_to_sets): Call find_escape_constraints and
598 expand_nonlocal_solutions.
599 (delete_points_to_sets): Don't fall off the end of the graph.
600 (init_alias_heapvars): Initialize nonlocal_for_type and
602 (delete_alias_heapvars): Free nonlocal_for_type and null out
605 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
607 * fold-const.c (add_double): Rename to add_double_with_sign.
608 Add 'unsigned_p' parameter and take it into account for the overflow.
609 (mul_double): Rename to mul_double_with_sign.
610 Add 'unsigned_p' parameter and take it into account for the overflow.
611 (fold_div_compare): Call add_double_with_sign instead of add_double
612 and mul_double_with_sign instead of mul_double, passing them the
613 unsignedness of the type.
614 * tree.h (add_double): Macroize.
615 (add_double_with_sign): New prototype.
616 (mul_double): Macroize.
617 (mul_double_with_sign): New prototype.
619 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
621 * config/score/crti.asm: New file.
622 * config/score/crtn.asm: New file.
623 * config/score/elf.h: New file.
624 * config/score/mac.md: New file.
625 * config/score/misc.md: New file.
626 * config/score/mul-div.S: New file.
627 * config/score/predicates.md: New file.
628 * config/score/score7.md: New file.
629 * config/score/score.c: New file.
630 * config/score/score-conv.h: New file.
631 * config/score/score.h: New file.
632 * config/score/score.md: New file.
633 * config/score/score-mdaux.c: New file.
634 * config/score/score-mdaux.h: New file.
635 * config/score/score-modes.def: New file.
636 * config/score/score.opt: New file.
637 * config/score/score-protos.h: New file.
638 * config/score/score-version.h: New file.
639 * config/score/t-score-elf: New file.
640 * config.gcc: Add score*-*-* configurations(Update before).
641 * doc/invoke.texi (Score Options): New section.
642 * doc/md.texi (Score family): New section to document constraints.
644 2006-10-19 Nick Clifton <nickc@redhat.com>
646 * config/arm/arm.c: Fix spelling typo.
648 2006-10-18 Tom Tromey <tromey@redhat.com>
650 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
652 2006-10-18 Jan Hubicka <jh@suse.cz>
655 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
658 2006-10-18 Marcin Dalecki <martin@dalecki.de>
660 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
661 TSI_SAME_STMT, since that's the desired entity.
663 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
665 * config/s390/contraints.md: New file.
666 * config/s390/s390-protos.h (s390_mem_constraint,
667 s390_O_constraint_str, s390_N_constraint_str,
668 s390_float_const_zero_p): Function prototypes added.
669 * config/s390/s390.c (s390_extra_constraint_str,
670 s390_const_double_ok_for_constraint_p,
671 s390_const_ok_for_constraint_p): Functions removed.
672 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
673 s390_float_const_zero_p): New functions.
674 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
675 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
676 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
677 Macro definitions removed.
678 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
679 s390_extra_constraint_str): Functions removed.
681 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
682 Richard Sandiford <richard@codesourcery.com>
685 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
686 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
688 2006-10-16 Geoffrey Keating <geoffk@apple.com>
690 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
691 (DWARF2_FRAME_REG_OUT): Likewise.
692 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
693 (DWARF2_FRAME_REG_OUT): Likewise.
695 2006-10-17 Paul Brook <paul@codesourcery.com>
697 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
699 2006-10-16 Brooks Moses <bmoses@stanford.edu>
701 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
702 Standardize on "GNU Fortran" as the official name of the Fortran
705 2006-10-16 Mike Stump <mrs@apple.com>
707 * doc/invoke.texi (Darwin Options): Document -mkernel.
708 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
710 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
711 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
712 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
713 (OS_MISSING_ALTIVEC): Add.
714 * config/i386/i386.c (override_options): Add
715 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
716 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
717 -mkernel, -static or -mdynamic-no-pic is given.
718 (C_COMMON_OVERRIDE_OPTIONS): Add.
719 * config/darwin.opt (fapple-kext): Add.
721 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
722 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
724 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
725 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
726 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
727 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
728 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
730 (flag_apple_kext): Add.
731 (TARGET_KEXTABI): Add.
732 * config/darwin.c (darwin_handle_kext_attribute): Add.
733 (DARWIN_VTABLE_P): Add.
734 (darwin_binds_local_p): Add partial support for rebinding vtables
736 (darwin_kextabi_p): Add.
737 (darwin_override_options): Add.
738 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
739 (darwin_kextabi_p): Add.
740 (darwin_override_options): Add.
741 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
742 __DYNAMIC__ and __STATIC__ here.
744 2006-10-16 Brooks Moses <bmoses@stanford.edu>
746 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
747 Added mention of "make pdf" target, and Texinfo requirements for
750 2006-10-16 DJ Delorie <dj@redhat.com>
752 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
753 into the GOT in case we need a subreg of the address.
755 2006-10-16 Richard Guenther <rguenther@suse.de>
758 * doc/extend.texi (X86 Built-in Functions): Fix typos in
759 SSE builtin documentation. Document SSE2 builtins.
761 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
763 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
764 symbol in the output file for non-shared links when -nostdlib or
765 -nodefaultlibs isn't specified.
767 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
768 posix thread support.
770 2006-10-15 Jan Hubicka <jh@suse.cz>
773 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
774 declared always_inline even when not inlining.
776 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
777 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
778 Andrew Pinski <pinskia@gmail.com>
781 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
783 2006-10-15 Jan Hubicka <jh@suse.cz>
784 Richard Guenther <rguenther@suse.de>
787 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
788 process_function_and_variable_attributes on all variables, including
789 those discovered during cgraph construction phase.
791 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
793 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
795 2006-10-14 Uros Bizjak <uros@kss-loka.si>
797 * config/i386/athlon.md (athlon_fist): Add fisttp.
799 2006-10-13 David Edelsohn <edelsohn@gnu.org>
800 Ian Lance Taylor <ian@airs.com>
803 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
804 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
807 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
809 * config/score/score.c, config/score/score.h: Fix comment
812 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
815 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
818 2006-10-13 Eric Christopher <echristo@apple.com>
820 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
822 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
825 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
826 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
827 alignment supported by 32-bit ELF.
829 2006-10-13 Eric Christopher <echristo@apple.com>
831 * config/darwin.c (darwin_emit_unwind_label): Strip
832 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
834 2006-10-13 Richard Guenther <rguenther@suse.de>
836 PR tree-optimization/29446
837 * tree-vrp.c (fix_equivalence_set): Remove.
838 (extract_range_from_assert): Do not call fix_equivalence_set.
839 (debug_value_range): Print a newline.
840 (compare_name_with_value): For equivalence sets with
841 inconsistent value ranges conservatively bail out.
842 (compare_names): Likewise.
844 2006-10-13 David Edelsohn <edelsohn@gnu.org>
846 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
847 and MPFR for gfortran.
849 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
851 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
852 alignment supported by 32-bit ELF.
854 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
858 * c-typeck.c (digest_init): Always allow initializing vectors
859 that have static storage duration with compound literals.
860 * tree.c (build_type_attribute_qual_variant): New, based on
861 build_type_attribute_variant.
862 (build_type_attribute_variant): Rewrite using the former.
863 (make_vector_type): Use build_type_attribute_qual_variant to build
864 type variants. Use type_hash_canon on the others.
866 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
867 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
869 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
871 2006-10-12 Jan Hubicka <jh@suse.cz>
874 * c-decl.c (c_make_fname_decl): Do not segfault in case where
875 current_function_decl is set but current_function_scope is not.
877 2006-10-12 Jie Zhang <jie.zhang@analog.com>
879 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
880 emit_insn to emit eh_return_internal instruction.
881 (eh_return_internal): Explicitly set pc.
883 2006-10-11 Richard Guenther <rguenther@suse.de>
885 PR tree-optimization/28230
886 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
887 to the correct place.
889 2006-10-11 Richard Guenther <rguenther@suse.de>
892 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
895 2006-10-10 Brooks Moses <bmoses@stanford.edu>
897 * configure.ac: Added pdf to "Make-hooks"
898 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
899 targets and *.pdf file patterns in cleanup targets.
900 * configure: Regenerated.
902 2006-10-10 Anatoly Sokolov <aesok@post.ru>
904 * config/avr/predicates.md: New file.
905 * config/avr/avr.md: Include it.
906 (REG_SP): New constant.
907 (peepholes): Use predicates.
908 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
909 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
910 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
912 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
914 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
917 2006-10-10 Jakub Jelinek <jakub@redhat.com>
920 * builtins.c (var_decl_component_p): New function.
921 (fold_builtin_memset, fold_builtin_memory_op): Restrict
922 single entry optimization to variables and components thereof.
924 2006-10-10 Richard Guenther <rguenther@suse.de>
926 PR rtl-optimization/29323
927 * except.c (set_nothrow_function_flags): For functions
928 that do not bind local bail out early.
930 2006-10-10 Ben Elliston <bje@au.ibm.com>
932 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
935 2006-10-09 Richard Henderson <rth@redhat.com>
939 2006-10-09 Richard Guenther <rguenther@suse.de>
942 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
945 2006-10-09 Steve Ellcey <sje@cup.hp.com>
948 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
949 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
950 * configure: Regenerate.
951 * config.in: Regenerate.
953 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
955 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
957 2006-10-08 Richard Sandiford <richard@codesourcery.com>
959 * config/mips/mips.c (mips_legitimize_tls_address): Implement
960 all TLS models in the same way as local exec if !TARGET_ABICALLS.
961 Remove stray newline.
963 2006-10-08 Richard Sandiford <richard@codesourcery.com>
965 * config/mips/mips.c (mips_classify_symbol): Do not return
966 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
967 (mips_in_small_data_p): Tweak comments.
969 2006-10-08 Richard Sandiford <richard@codesourcery.com>
971 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
973 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
975 * gimplify.c, sched-int.h: Fix comment typos.
977 * sched-int.h: Fix comment typos.
979 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
981 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
983 * sched-ebb.c (begin_schedule_ready): Use them.
984 * haifa-sched.c (schedule_insn, move_insn, try_ready,
985 add_to_speculative_block, create_check_block_twin, speculate_insn,
986 fix_jump_move, move_block_after_check): Ditto.
987 * sched-rgn.c (new_ready): Ditto.
989 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
991 PR rtl-optimization/29128
992 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
993 * sched-ebb.c (advance_target_bb): Use it to fix condition to
994 allow interblock movement of speculation checks.
996 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
999 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1000 casted to integer type.
1001 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1002 if they are significantly more expensive than [reg + index] ones.
1004 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1006 PR tree-optimization/29330
1007 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1008 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1009 on newly allocated ddrs.
1010 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1011 to VEC (loop_p, heap) pointer.
1012 (compute_data_dependences_for_loop): Adjust caller.
1013 (free_dependence_relations): Free DDR_LOOP_NEST.
1015 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1016 free DEPENDENCE_RELATIONS and DATAREFS.
1019 * builtins.c (expand_builtin_sync_operation,
1020 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1021 Use convert_to_mode to handle promoted arguments.
1023 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1025 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1027 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1029 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1031 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1033 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1034 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1035 Use <modeconstraint> instead of "r" as operand 1 constraint.
1037 2006-10-06 Olivier Hainque <hainque@adacore.com>
1039 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1040 Don't recurse on the pointed-to type.
1041 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1042 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1043 types with components of variable size.
1045 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1047 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1049 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1051 PR tree-optimization/29290
1052 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1056 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1057 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1060 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1061 the number of vector elements fill the rest with zeros.
1063 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1065 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1066 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1069 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1071 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1072 unnamed pattern into subsi3. Use correct constraints/predicates.
1073 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1074 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1076 2006-10-05 Ira Rosen <irar@il.ibm.com>
1078 * doc/loop.texi: Add data references analysis description.
1080 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1082 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1084 2006-10-04 Richard Henderson <rth@redhat.com>
1085 Jakub Jelinek <jakub@redhat.com>
1087 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1088 * builtin-types.def (BT_WORD): Make unsigned.
1089 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1090 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1091 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1092 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1093 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1094 * cgraph.c (decide_is_variable_needed): Look at force_output.
1095 Recurse for emulated tls.
1096 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1097 checks redundant with decide_is_variable_needed.
1098 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1099 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1101 * expr.c (emutls_var_address): New.
1102 (expand_expr_real_1): Expand emulated tls.
1103 (expand_expr_addr_expr_1): Likewise.
1104 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1105 * output.h (emutls_finish): Declare.
1106 * toplev.c (compile_file): Call it.
1107 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1108 address before wrapping in CONST.
1109 * varasm.c (emutls_htab, emutls_object_type): New.
1110 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1111 (get_emutls_object_name, get_emutls_object_type): New.
1112 (get_emutls_init_templ_addr, emutls_decl): New.
1113 (emutls_common_1, emutls_finish): New.
1114 (assemble_variable): When emulating tls, swap decls; generate
1115 constructor for the emutls objects.
1116 (do_assemble_alias): When emulating tls, swap decl and target name.
1117 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1119 * emutls.c: New file.
1120 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1121 tls_object for real tls.
1123 2006-10-04 Zack Weinberg <zackw@panix.com>
1125 Fix bug in constraint-check generator, reported by Rask Ingemann
1127 * genpreds.c (add_constraint): Don't remove anything from the
1129 (write_tm_constrs_h): Detect whether "op" argument is used, and
1130 mark it ARG_UNUSED if it isn't.
1131 (write_insn_const_int_ok_for_constraint): Skip the part of the
1132 expression that would test whether "op" (which is not available
1133 here) is a CONST_INT.
1135 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1138 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1140 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1142 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1143 current Leopard versions.
1144 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1146 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1148 * doc/install.texi: Fix typos.
1150 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1152 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1153 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1154 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1156 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1158 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1159 arg to be struct mach_header_64* instead.
1161 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1164 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1165 side effects after the outer expression's post side effects.
1167 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1169 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1170 comments to reflect actual behavior and relationship between
1171 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1173 * doc/c-tree.texi (Working with declarations): Fix documentation
1174 of FIELD_DECL likewise.
1176 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1179 * doc/extend.texi: Add used variable attribute description.
1181 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1184 * c.opt (Woverride-init): New.
1185 * c-opts.c (c_common_post_options): Default warn_override_init to
1187 * c-typeck.c (add_pending_init, output_init_element): Warn for
1188 overriding initializers without side effects.
1189 * doc/invoke.texi (-Woverride-init): Document.
1192 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1194 PR rtl-optimization/28096
1195 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1196 assignment has already been used as a destination earlier in the block.
1198 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1200 * builtins.c (expand_builtin_setjmp): Delete.
1201 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1202 <BUILT_IN_SETJMP_SETUP>: New case.
1203 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1204 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1205 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1206 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1207 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1208 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1209 (lower_function_body): Initialize it to false. If it is set to true
1210 at the end of the processing, emit the setjmp dispatcher.
1211 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1212 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1213 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1214 on the rhs of the assignment.
1215 (lower_builtin_setjmp): New function.
1216 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1217 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1218 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1219 to detect calls that can go to non-local labels. Use specific
1220 helper to create the abnormal edges associated with them.
1221 <MODIFY_EXPR>: Likewise.
1222 (make_abnormal_goto_edges): New function extracted from...
1223 (make_goto_expr_edges): ...here. Call it for computed gotos.
1224 (simple_goto_p): Minor tweak.
1225 (tree_can_make_abnormal_goto): New predicate.
1226 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1227 (tree_purge_dead_abnormal_call_edges): New function.
1228 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1229 (tree_purge_dead_abnormal_call_edges): Likewise.
1230 (make_abnormal_goto_edges): Likewise.
1231 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1232 Purge all dead abnormal edges if the call was in the last statement.
1233 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1234 (execute_fixup_cfg): If there are non-local labels in the function,
1235 scan the basic blocks and split them at calls that can go to non-local
1236 labels or add missing abnormal call edges. Write down the CFG in the
1238 (pass_fixup_cfg): Remove TODO_dump_func flag.
1239 * unwind-sjlj.c: Poison setjmp.
1240 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1241 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1242 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1243 (DONT_USE_BUILTIN_SETJMP): Document it.
1245 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1248 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1249 to 1 when __ppc64__ is defined.
1250 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1252 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1254 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1256 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1257 * config/ia64/unwind-hpux.c: Delete.
1259 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1261 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1262 on the element before gimplifying it, instead of punting if it is of
1265 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1267 * doc/loop.texi: New file.
1268 * doc/gccint.texi: Reference loop.texi.
1269 * Makefile.in (loop.texi): Add.
1271 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1273 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1275 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1276 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1278 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1280 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1282 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1284 * doc/install.texi: Document required versions of GMP and MPFR.
1286 2006-09-27 Paul Brook <paul@codesourcery.com>
1289 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1291 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1293 * reload1.c (alter_reg): Require the alignment of the stack slot to
1294 be at least reg_max_ref_width bytes.
1295 (scan_paradoxical_subregs): Record the largest width in
1298 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1302 * tree-nested.c (struct nesting_info): Added static_chain_added.
1303 (convert_call_expr): Set static_chain_added when adding static
1304 chain. Handle OMP_PARALLEL and OMP_SECTION.
1306 2006-09-25 Matthias Klose <doko@debian.org>
1308 * doc/invoke.texi: Add missing full stop.
1310 2006-09-25 Richard Henderson <rth@redhat.com>
1312 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1313 before cgraph_function_flags_ready.
1315 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1316 Adam Nemet <anemet@caviumnetworks.com>
1318 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1319 determine_common_wider_type): New functions.
1320 (get_computation_aff): Use them to simplify arithmetic between
1321 UBASE and CBASE if they are shortened from the same type.
1323 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1326 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1327 -2147483647 - 1 instead of 0x80000000.
1329 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1331 * flags.h (HONOR_NANS): Fix typo in comment.
1333 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1335 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1337 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1341 * tree.c (merge_attributes, attribute_list_contained): If both
1342 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1344 * c-typeck.c (comptypes_internal): Don't consider aggregates
1345 in different TUs as compatible if there one set of attributes is
1346 not a subset of the other type's attributes.
1347 (composite_type): Try harder not to create a new aggregate type.
1349 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1351 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1352 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1353 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1354 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1355 than replicating condition above.
1356 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1358 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1359 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1360 the linker by default.
1362 2006-09-22 Mike Stump <mrs@apple.com>
1364 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1367 2006-09-22 Richard Guenther <rguenther@suse.de>
1370 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1371 sort of stack variables stable.
1373 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1376 * explow.c (force_reg): Set REG_POINTER flag according to
1379 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1381 PR tree-optimization/28888
1382 * tree-if-conv.c (combine_blocks): Rewritten.
1383 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1384 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1386 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1388 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1391 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1393 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1395 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1397 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1399 2006-09-21 Roger Sayle <roger@eyesopen.com>
1402 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1403 dw_fde_current_label, to be the start of the function, i.e. the same
1404 value as dw_fde_begin.
1406 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1408 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1409 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1410 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1411 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1412 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1413 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1414 (abs<mode>2, neg<mode>2): Likewise.
1415 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1416 (*mips_abs_ps): New define_insn.
1418 2006-09-20 Josh Conner <jconner@apple.com>
1421 * calls.c (expand_call): Allow reuse of structure return stack
1424 2006-09-20 Paul Brook <paul@codesourcery.com>
1426 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1429 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1431 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1432 clean up terminology.
1434 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1437 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1438 with tablejumps in them.
1440 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1443 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1444 wrap it into TARGET_EXPR.
1446 2006-09-20 Eric Christopher <echristo@apple.com>
1448 * config/i386/i386.c (x86_fisttp): Remove.
1449 * config/i386/i386.h (x86_fisttp): Ditto.
1450 (TARGET_FISTTP): Ditto.
1452 2006-09-19 Eric Christopher <echristo@apple.com>
1454 * doc/tm.texi (OBJC_JBLEN): Describe.
1455 * config/i386/darwin.h (OBJC_JBLEN): Define.
1456 * config/rs6000/darwin.h: Ditto.
1458 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1460 PR rtl-optimization/21299
1461 * reload1.c (reload): Purge invalid ASMs in the final pass.
1463 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1466 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1467 pointers as legitimate constants.
1469 2006-09-19 Paul Brook <paul@codesourcery.com>
1472 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1474 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1476 PR tree-optimization/28887
1477 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1478 component parts from the reference.
1479 (gather_memory_references_ref): Record the reference without the
1480 nonaddressable component parts.
1482 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1485 * c-opts.c (c_common_handle_option): Ignore the -std options
1486 if the input language is assembly.
1488 2006-09-17 Ira Rosen <irar@il.ibm.com>
1491 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1493 (ptr_ptr_may_alias_p): Likewise.
1494 (record_record_differ_p): New function.
1495 (base_object_differ_p): Call record_record_differ_p.
1497 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1500 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1501 away for the expr argument.
1503 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1506 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1507 before using it for dumping after vectorizing loops.
1509 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1510 Jack Howarth <howarth@bromo.med.uc.edu>
1513 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1514 skip on error_mark_node.
1515 (rs6000_darwin64_record_arg_recurse): Likewise.
1517 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1519 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1520 * doc/rtl.texi: Remove related documentation.
1522 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1524 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1527 2006-09-15 Jim Wilson <wilson@specifix.com>
1529 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1530 Handle symbol offsets same as they are handled in ia64_expand_move
1533 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1535 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1536 Add forgotten parameter to the fprintf call.
1538 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1540 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1542 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1544 * doc/contrib.texi: Add my entry.
1546 2006-09-15 Nick Clifton <nickc@redhat.com>
1548 * doc/md.texi (Processor pipeline description): Fix typo in
1549 example of how to use the absence_set directive and reword the
1550 description to make it slightly easier to read.
1552 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1554 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1555 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1556 expanding the number of iterations.
1557 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1559 * cfgrtl.c (emit_insn_at_entry): New function.
1560 * rtl.h (emit_insn_at_entry): Declare it.
1561 * integrate.c (emit_initial_value_sets): Use it.
1563 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1565 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1567 (struct loop_work and related VEC declarations): Delete.
1568 (bfin_dump_loops): Print out new member bad.
1569 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1570 (bfin_scan_loop): Don't recurse.
1571 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1572 loops. No longer need to update outer loops if the current one is
1573 found bad. Move some validitiy checks to bfin_discover_loop.
1574 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1575 but changed not to check for nesting. Also changed to use the new bad
1577 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1578 time. Use bitmap based test to discover loop nesting.
1580 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1582 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1585 2006-09-14 Richard Guenther <rguenther@suse.de>
1586 Kazu Hirata <kazu@codesourcery.com>
1588 PR middle-end/28884.
1589 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1590 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1591 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1592 with TARGET_FUNCTION_VALUE.
1594 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1597 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1599 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1601 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1604 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1607 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1610 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1612 * basic_block.h (bb_has_eh_pred): Fix comment.
1614 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1616 * flow.c (calculate_global_regs_live): Invalidate eh registers
1617 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1618 (propagate_block): Handle eh registers as if they were set at basic
1620 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1622 * global.c (global_conflicts): Make eh registers to conflict with
1623 pseudos live at basic block begin.
1624 * basic_block.h (bb_has_eh_pred): New function.
1626 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1628 PR rtl-optimization/28982
1629 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1630 index of a PRE_MODIFY or POST_MODIFY address.
1631 * reload1.c (inc_for_reload): Use find_replacement on the original
1632 base and index registers.
1634 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1636 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1637 for -Os. Update __m128 alignment requirement.
1639 2006-09-13 Jan Hubicka <jh@suse.cz>
1641 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1643 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1645 PR rtl-optimization/28243
1646 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1647 the insn to which the note was originally attached.
1649 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1650 Roger Sayle <roger@eyesopen.com>
1652 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1653 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1654 on platforms that don't use dwarf for debug info.
1656 2006-09-12 Jason Merrill <jason@redhat.com>
1659 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1660 hard_frame_pointer_rtx after using it to update the frame pointer.
1662 2006-09-12 Roger Sayle <roger@eyesopen.com>
1664 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1665 (TARGET_ASM_CLOSE_PAREN): Likewise.
1666 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1667 (TARGET_ASM_CLOSE_PAREN): Likewise.
1669 2006-09-12 Roger Sayle <roger@eyesopen.com>
1672 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1673 frame information for frames larger than 512 Kbytes on Tru64 when
1674 using the native assembler.
1676 2006-09-12 Roger Sayle <roger@eyesopen.com>
1680 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1681 and symbols. Instead use the implementation from cse.c's hash_rtx.
1683 2006-09-12 Jan Hubicka <jh@suse.cz>
1685 PR rtl-optimization/28071
1686 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1687 (vect_transform_loop): Likewise.
1688 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1689 (new_loop_vec_info): Likewise.
1690 (destroy_loop_vec_info): Likewise.
1691 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1692 (create_stmt_ann): Likewise.
1693 (create_tree_ann): Rename to ...
1694 (create_tree_common_ann): ... this one; allocate only the common part
1696 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1697 (get_value_handle): Likewise.
1698 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1699 get_tree_common_ann.
1700 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1701 (vinfo_for_stmt): Use stmt annotations.
1702 * tree-flow.h (tree_ann_common_t): New type.
1703 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1704 (tree_ann, get_tree_ann, create_tree_ann): New.
1705 * tree-flow-inline.h (get_function_ann): Do more type checking.
1706 (stmt_ann): Likewise.
1707 (tree_ann): Rename to ...
1708 (tree_common_ann): ... this one; return ony common_ann
1709 (get_tree_ann): Rename to ...
1710 (tree_common_ann): This one; return only common_ann.
1711 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1714 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1716 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1717 with_cpu by default.
1719 * dwarf2out.c (dwarf_file_data): New.
1720 (enum dw_val_class): Add dw_val_class_file.
1721 (struct dw_val_struct): Add val_file.
1722 (file_table): Change to a hash table.
1723 (file_table_emitted): Delete.
1724 (file_table_last_lookup_index): Delete.
1725 (emitcount): Delete.
1726 (last_emitted_file): New.
1727 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1728 (init_file_table): Delete.
1729 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1730 (AT_addr): Add comment.
1734 (print_die): Handle dw_val_class_file.
1735 (print_dwarf_line_table): Update for new file table structure.
1736 (attr_checksum): Do checksum a filename.
1737 (same_dw_val_p, same_attr_p): Do compare a filename.
1738 (size_of_die): Handle dw_val_class_file.
1739 (value_format): Likewise.
1740 (output_die): Likewise. Also, call maybe_emit_file here.
1741 (struct file_info): Constify filenames. Make file_idx a pointer
1742 to a struct dwarf_file_data.
1743 (struct dir_info): Constify directory names. Remove 'used' field.
1744 (struct file_name_acquire_data): New.
1745 (file_name_acquire): New.
1746 (output_file_names): Modify to handle new file data structures.
1747 (add_src_coords_attributes): Use add_AT_file.
1748 (add_call_src_coords_attributes): Likewise.
1749 (dwarf2out_imported_module_or_decl): Likewise.
1750 (gen_subprogram_die): Modify for new file data structures.
1751 (gen_variable_die): Likewise.
1752 (file_table_eq): New.
1753 (file_table_hash): New.
1754 (file_table_last_lookup): New.
1755 (lookup_filename): Rewrite to handle new file data structures.
1756 (maybe_emit_file): Rewrite to handle new file data structures.
1757 (dwarf2out_source_line): Always call lookup_filename and
1759 (dwarf2out_init): Create file_table here.
1760 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1761 (file_table_relative_p): New.
1762 (dwarf2out_finish): Change detection of relative filenames
1763 to work with new file data structures. Move output_line_info call
1764 after debug_info output.
1766 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1771 * config/i386/i386.c (override_options): Always default to 16
1772 byte stack boundary.
1774 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1777 * var-tracking.c (dump_dataflow_set): Start dumping at
1779 (clobber_variable_part): Kill only the variable part in
1780 registers holding it, leaving other variables alone.
1782 2006-09-11 Josh Triplett <josh@freedesktop.org>
1784 * doc/extend.texi (Other Builtins): Actually use the macro
1785 argument in the documentation example for
1786 __builtin_types_compatible_p.
1788 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1790 PR rtl-optimization/28726
1791 * sched-deps.c (sched_analyze_reg): New function extracted from...
1792 (sched_analyze_1): ...here. Call it to analyze references to
1793 registers. Treat again writes to a stack register as writing to the
1795 (sched_analyze_2): ...and here. Call it to analyze references to
1796 registers. Treat again reads of a stack register as reading the
1799 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1800 David Edelsohn <edelsohn@gnu.org>
1803 * config/rs6000/spe.md (frob_df_di): Remove %H.
1804 (frob_di_df): Remove %H. Change evmergelo to mr.
1805 (frob_di_df_2): Remove %H. Change evldd to two loads.
1807 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1809 * doc/cpp.texi: Fix names of charset options.
1811 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1814 * config/i386/i386.c (override_options): Use 128-bit
1815 stack boundary always for 64bits.
1817 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1819 PR rtl-optimization/28636
1820 * combine.c (force_to_mode): Test for side-effects before
1821 substituting by zero.
1822 (simplify_shift_const): Likewise for zero or other constants.
1824 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1827 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1830 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1833 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1834 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1835 returned by mode_for_size, rather than the mode of src itself,
1836 to choose between 32-bit and 64-bit patterns.
1837 (mips_mem_fits_mode_p): New function.
1838 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1839 that the size of the source matches the size of the destination.
1840 (mov_<store>l, mov_<store>r): Likewise.
1842 2006-09-10 Eric Christopher <echristo@apple.com>
1844 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1847 2006-09-09 Eric Christopher <echristo@apple.com>
1850 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1853 2006-09-09 Roger Sayle <roger@eyesopen.com>
1854 Nicolas Setton <setton@adacore.com>
1856 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1858 2006-09-10 Andreas Schwab <schwab@suse.de>
1860 * config/m68k/m68k.md (bungt_rev): New pattern.
1862 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1863 Dale Johannesen <dalej@apple.com>
1866 * regclass.c (struct reg_pref): Update documentation.
1867 (regclass): Set prefclass to NO_REGS if memory is the best option.
1868 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1870 2006-09-08 Eric Christopher <echristo@apple.com>
1872 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1873 * config/t-slibgcc-darwin: Support x86_64 multilib.
1874 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1875 Return 1 for x86_64-darwin.
1876 * config/i386/t-darwin: Add m64 multilib.
1877 (LIB2_SIDITI_CONV_FUNCS): Use.
1878 (LIB2FUNCS_EXTRA): Ditto.
1879 * config/i386/darwin.h: Support x86_64.
1880 * config/i386/i386.c (override_options): Turn on flag_pic
1881 for x86_64-darwin. Disable flag_omit_pointer.
1882 (get_pc_thunk_name): Assert !TARGET_64BIT.
1883 (legitimate_address_p): Disable machopic addressing for
1885 (legitimize_pic_address): Ditto.
1886 (ix86_expand_move): Ditto.
1887 (ix86_expand_call): Ditto.
1888 (machopic_output_stub): Ditto.
1889 * config/darwin.c (machopic_select_section): Support literal16.
1890 (machopic_select_rtx_section): Ditto.
1891 * config/darwin-sections.def: Ditto.
1892 * config/darwin-64.c: New.
1894 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1897 * c-tree.h (struct c_arg_info): Add pending_sizes.
1898 * c-parser.c (c_parser_parms_declarator,
1899 c_parser_parms_list_declarator): Initialize pending_sizes.
1900 * c-decl.c (get_parm_info): Initialize pending_sizes.
1901 (get_parm_info): Set pending_sizes.
1902 (grokdeclarator): Call put_pending_sizes for parameters for
1903 function definition only.
1905 2006-09-07 Jason Merrill <jason@redhat.com>
1908 * varasm.c (output_constant): Only strip actual no-op conversions.
1911 * config/i386/i386.c (override_options): Use 128-bit
1912 stack boundary if -msse.
1914 2006-09-07 Eric Christopher <echristo@apple.com>
1916 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1918 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1921 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1923 * dwarf2out.c: Remove strange characters from comment above
1924 dwarf2out_frame_debug_expr.
1926 2006-09-07 Eric Christopher <echristo@apple.com>
1928 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1929 * config/darwin.h: ... to here.
1931 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1933 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1935 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1936 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1938 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1939 TARGET_PARTIAL_FLAG_REG_STALL.
1940 (*ashldi3_cconly_rex64): Likewise.
1941 (*ashlsi3_cmp): Likewise.
1942 (*ashlsi3_cconly): Likewise.
1943 (*ashlsi3_cmp_zext): Likewise.
1944 (*ashlhi3_cmp): Likewise.
1945 (*ashlhi3_cconly): Likewise.
1946 (*ashlqi3_cmp): Likewise.
1947 (*ashlqi3_cconly): Likewise.
1948 (*ashrdi3_cmp_rex64): Likewise.
1949 (*ashrdi3_cconly_rex64): Likewise.
1950 (*ashrsi3_cmp): Likewise.
1951 (*ashrsi3_cconly): Likewise.
1952 (*ashrsi3_cmp_zext): Likewise.
1953 (*ashrhi3_cmp): Likewise.
1954 (*ashrhi3_cconly): Likewise.
1955 (*ashrqi3_cmp): Likewise.
1956 (*ashrqi3_cconly): Likewise.
1957 (*lshrdi3_cmp_rex64): Likewise.
1958 (*lshrdi3_cconly_rex64): Likewise.
1959 (*lshrsi3_cmp): Likewise.
1960 (*lshrsi3_cconly): Likewise.
1961 (*lshrsi3_cmp_zext): Likewise.
1962 (*lshrhi3_cmp): Likewise.
1963 (*lshrhi3_cconly): Likewise.
1964 (*lshrqi2_cmp): Likewise.
1965 (*lshrqi2_cconly): Likewise.
1967 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1970 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1971 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1972 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1973 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1974 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1975 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1976 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1977 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1978 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1979 implement only CC setting effects of shift instructions.
1981 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1983 * doc/contrib.texi: Add myself.
1985 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1988 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1989 was set by the user.
1991 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1994 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1995 (divsi_inv_m1): Use them.
1996 (UNSPEC_DIV_INV_TABLE): New constant.
1998 2006-09-06 James E Wilson <wilson@specifix.com>
2001 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2002 then call count_or_remove_death_notes.
2004 2006-09-06 Jason Merrill <jason@redhat.com>
2007 * tree-inline.c (copy_result_decl_to_var): New fn.
2008 (declare_return_variable): Use it. Call declare_inline_vars here.
2009 (expand_call_inline): Not here.
2011 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2013 * doc/contrib.texi: Update my entry.
2015 2006-09-06 Nick Clifton <nickc@redhat.com>
2017 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2019 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2022 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2023 (canonicalize_induction_variables): Likewise.
2024 (tree_unroll_loops_completely): Likewise.
2025 (tree_ssa_prefetch_arrays): Likewise.
2026 (remove_empty_loops): Likewise.
2027 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2028 TODO_cleanup_cfg instead of directly calling
2029 cleanup_tree_cfg_loop.
2030 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2032 (tree_unroll_loops_completely): Likewise.
2033 (remove_empty_loops): Likewise.
2034 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2035 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2036 of tree_ssa_unswitch_loops.
2037 (tree_ssa_loop_ivcanon): Use the return value of
2038 canonicalize_induction_variables.
2039 (tree_ssa_empty_loop): Use the return value of
2041 (tree_complete_unroll): Use the return value of
2042 tree_unroll_loops_completely.
2043 (tree_ssa_loop_prefetch): Use the return value of
2044 tree_ssa_prefetch_arrays.
2045 * passes.c (execute_todo): Before Cleanup CFG, set
2046 updating_used_alone and after cleanup CFG, call
2047 recalculate_used_alone.
2049 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2052 * tree-vect-transform.c (vectorizable_condition): Move the check
2053 for the type after the check for simple condition.
2055 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2056 Kaz Kojima <kkojima@gcc.gnu.org>
2059 * mode-switching.c (optimize_mode_switching): Make the destination
2060 block of an abnormal edge have no anticipatable mode. Don't
2061 insert mode switching code at the end of the source block of
2064 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2066 PR rtl-optimization/26847
2067 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2068 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2069 (simplify_plus_minus): Count n_constants while filling ops. Replace
2070 qsort with insertion sort. Before going through the array to simplify
2071 pairs, sort it. Delay early exit until after the first sort, exiting
2072 only if no swaps occurred. Simplify pairs in reversed order, without
2073 special-casing the first iteration. Pack ops after simplifying pairs.
2075 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2077 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2078 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2079 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2080 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2082 2006-09-05 Richard Guenther <rguenther@suse.de>
2084 PR tree-optimization/28900
2085 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2086 compound conditional before creating COND_EXPR condition.
2088 2006-09-05 Richard Guenther <rguenther@suse.de>
2090 PR tree-optimization/28905
2091 * tree-vrp.c (fix_equivalence_set): Manually implement
2092 !value_ranges_intersect_p to also handle symbolic ranges.
2094 2006-09-05 Richard Guenther <rguenther@suse.de>
2097 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2100 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2102 PR rtl-optimization/27616
2103 * cse.c (table_size): New static variable.
2104 (new_basic_block): Initialize it to 0.
2105 (remove_from_table): Decrement it.
2106 (insert): Increment it.
2107 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2108 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2109 fold_rtx_mem_1 if under the cap.
2110 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2111 the lookup of the equivalent expression and test for equality of the
2112 first operand of the equivalent expression before in turn looking up
2113 an equivalent constant for the second operand.
2115 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2118 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2119 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2120 pointer, instead of assuming it is possible to derive the
2121 correct args size from a call insn.
2123 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2126 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2127 (fold_builtin_mempcpy): Rename to...
2128 (fold_builtin_memory_op): ... this. Optimize one element copy
2130 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2132 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2133 (expand_builtin_memcpy, expand_builtin_mempcpy,
2134 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2135 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2136 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2137 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2139 2006-09-01 DJ Delorie <dj@redhat.com>
2141 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2142 (stzx_16): Likewise.
2143 ("stzx_24_<mode>"): Likewise.
2144 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2145 ("cmp<mode>_op"): New.
2146 (cmp<mode>): Change to expander; just save operands.
2148 (b<code>): Change to expander, emit compare here.
2149 (s<code>_op): Change to use split and expander.
2150 (s<code>_24_op): Likewise.
2151 (s<code>_<mode>): New.
2152 (s<code>_<mode>_24): New.
2153 (movqicc_<code>_<mode): New.
2154 (movhicc_<code>_<mode>): New.
2157 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2158 (m32c_pend_compare): New.
2159 (m32c_unpend_compare): New.
2160 (m32c_expand_scc): New.
2161 (m32c_expand_movcc): Emit the compare also.
2162 * config/m32c/predicates.md (mra_nopp_operand): New.
2164 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2165 Richard Guenther <rguenther@suse.de>
2166 Adam Nemet <anemet@caviumnetworks.com>
2169 * builtins.c (get_pointer_alignment): Handle more forms
2170 of base addresses that can be used to derive more precise
2171 information about alignment.
2173 2006-09-01 Jason Merrill <jason@redhat.com>
2176 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2179 * gimplify.c (voidify_wrapper_expr): Handle null type.
2181 2006-09-01 Josh Conner <jconner@apple.com>
2184 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2185 (execute_return_slot_opt): Use it.
2187 2006-08-31 Josh Conner <jconner@apple.com>
2190 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2191 returning aggregates.
2193 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2195 PR tree-optimization/28839
2196 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2197 blocks in that phi arguments appear.
2199 2006-08-31 Roger Sayle <roger@eyesopen.com>
2202 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2203 NULL, otherwise use an advance_loc4 to adjust relative to the
2205 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2206 (dwarf2out_switch_text_section): Reset the current label to avoid
2207 using advance_loc4 over section boundaries.
2209 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2212 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2213 r12 + SYMBOLIC_CONST.
2215 2006-08-30 Richard Guenther <rguenther@suse.de>
2217 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2219 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2221 PR rtl-optimization/27735
2222 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2223 Add new argument to keep track of whether an irreducible region
2224 was affected. All callers changed.
2225 (fix_irreducible_loops): Removed.
2226 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2227 flags were invalidated.
2229 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2231 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2232 instead of SF operands.
2233 (*fop_df_comm_sse): Likewise.
2234 (*fop_df_comm_i387): Likewise.
2235 (*fop_df_1_mixed): Likewise.
2236 (*fop_df_1_sse): Likewise.
2238 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2239 J"orn Rennecke <joern.rennecke@st.com>
2241 PR tree-optimization/17506
2242 * tree-ssa.c (warn_uninit): If warning about a location outside of
2243 the current function, note where the variable was declared.
2245 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2247 PR tree-optimization/28411
2248 * double-int.c (double_int_div): Use double_int_divmod.
2249 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2250 double_int_mod, double_int_smod, double_int_umod): New functions.
2251 * double-int.h (double_int_divmod, double_int_sdivmod,
2252 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2254 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2256 (get_computation_aff, get_computation_cost_at): Handle double_int
2257 return type of constant_multiple_of.
2259 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2262 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2263 an implicit conversion.
2265 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2267 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2269 2006-08-27 Roger Sayle <roger@eyesopen.com>
2271 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2274 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2276 * config/i386/crtfastmath.c: Fix a comment typo.
2278 2006-08-26 Roger Sayle <roger@eyesopen.com>
2280 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2281 temporary visit flags on CASE_LABEL_EXPRs.
2282 * c-common.c (match_case_to_enum): Add function comment. Avoid
2283 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2284 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2285 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2286 a constant, only warn if that constant value isn't handled.
2288 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2291 * input.h (restore_input_file_stack): Declare.
2292 (INPUT_FILE_STACK_BITS): Define.
2293 * toplev.c (fs_p, input_file_stack_history,
2294 input_file_stack_restored, restore_input_file_stack): New.
2295 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2296 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2297 (pop_srcloc): Don't free old state of stack.
2299 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2302 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2303 (PowerPC Type Attributes): New.
2305 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2307 * config/xtensa/xtensa.c (function_arg_boundary): New.
2308 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2310 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2311 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2313 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2316 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2319 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2321 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2322 (verify_local_live_at_start): Likewise.
2324 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2327 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2328 omp_add_variable): Treat sizes as variable whenever not
2331 2006-08-26 Richard Guenther <rguenther@suse.de>
2334 * fold-const.c (fold_binary): Fold temporary to correct
2335 type before constructing new comparison.
2337 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2340 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2341 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2343 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2346 * c-decl.c (start_function): Don't try to process prototype
2347 information from old declaration that isn't a function.
2349 2006-08-25 Jan Hubicka <jh@suse.cz>
2352 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2354 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2357 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2360 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2362 PR tree-optimization/16876
2363 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2364 exit if PARM doesn't match VALUE.
2366 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2368 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2369 literal_prefix directive.
2370 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2371 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2372 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2374 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2377 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2378 predicate to general_operand. Add 0->y and I->r alternatives.
2380 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2382 * doc/tm.texi: Fix a typo.
2383 * predict.c: Fix comment typos.
2385 2006-08-25 Nick Clifton <nickc@redhat.com>
2387 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2388 assertions of "cpu" and "machine".
2390 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2393 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2394 the access through a base which has an alias set of 0 cannot
2397 2006-08-24 Bill Wendling <wendling@apple.com>
2399 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2401 2006-08-24 Jan Hubicka <jh@suse.cz>
2403 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2405 2006-08-24 Jan Hubicka <jh@suse.cz>
2408 * cgraph.c: Fix comments.
2409 (cgraph_varpool_mark_needed_node): Mark only variables not already
2411 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2412 (cgraph_varpool_assembled_nodes_queue): New static variable.
2413 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2414 (cgraph_varpool_output_debug_info): New function.
2415 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2416 * Makefile.in: Add gt-cgraphunit.h
2418 2006-08-24 Jan Hubicka <jh@suse.cz>
2420 * predict.c (probability_reliable_p): New predicate.
2421 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2422 (predict_loops): Do not predict loop exit with less than 2%
2424 * basic-block.h (edge_probability_reliable_p,
2425 br_prob_note_reliable_p): Declare.
2426 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2427 prediction when static predictor is not reliable.
2428 * rs6000.c (output_cbranch): Likewise.
2430 2006-08-23 Stuart Hastings <stuart@apple.com>
2433 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2434 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2436 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2439 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2440 complex values, nor for generic vector values.
2442 2006-08-22 Richard Guenther <rguenther@suse.de>
2445 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2446 parameter. Convert arguments to arithmetic expression to the
2448 (analyze_scalar_evolution_1): Adjust caller.
2450 2006-08-22 Jan Hubicka <jh@suse.cz>
2452 Patch by Paolo Bonzini
2453 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2456 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2458 PR tree-optimization/28003
2459 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2460 before grouping aliases.
2462 2006-08-22 Roger Sayle <roger@eyesopen.com>
2464 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2465 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2467 2006-08-21 Jason Merrill <jason@redhat.com>
2470 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2471 wrapper. Loop to handle nested wrappers.
2472 (gimplify_bind_expr): Remove temp parameter.
2473 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2474 and STATEMENT_LIST on the rhs.
2475 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2476 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2477 (gimplify_target_expr): Remove special BIND_EXPR handling.
2479 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2481 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2484 2006-08-21 Olivier Hainque <hainque@adacore.com>
2486 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2487 Arrange for the temporary captures of components overlapping the lhs
2488 to happen before the lhs is possibly cleared.
2490 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2492 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2493 necessary places to pass the correct "number of registers" values
2496 2006-08-20 Jan Hubicka <jh@suse.cz>
2498 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2499 (create_name_tags): Instead of quadratic checking use hashtable.
2500 * bitmap.h: Include hashtab.h.
2501 (bitmap_hash): Declare.
2502 * bitmap.c (bitmap_hash): New function.
2504 2006-08-20 Jan Hubicka <jh@suse.cz>
2506 PR rtl-optimization/28071
2507 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2509 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2510 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2511 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2512 cgraph_decide_inlining_incrementally): Update use of
2513 cgraph_check_inline_limits.
2514 * cgraph.c (edge_hash, edge_eq): New function.
2515 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2516 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2517 cgraph_remove_node): Maintain call site hash.
2518 * cgraph.h (struct cgraph_node): Add call_site_hash.
2519 (cgraph_set_call_stmt): New function.
2521 2006-08-20 Jan Hubicka <jh@suse.cz>
2523 PR rtl-optimization/28071
2524 * reload1.c (reg_has_output_reload): Turn into regset.
2525 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2526 choose_reload_regs, emit_reload_insns): Update to new
2527 reg_has_output_reload.
2529 2006-08-20 Jan Hubicka <jh@suse.cz>
2532 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2533 function body sizes.
2534 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2536 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2539 * tree.c (handle_dll_attribute): Return early if not a
2540 var or function decl.
2542 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2545 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2546 alignment of SPE vector types.
2548 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2550 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2552 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2555 * cgraph.h (struct cgraph_node): Remove externally_visible
2557 * cgraphunit.c (process_function_and_variable_attributes): Set
2558 local.externally_visible rather than externally_visible.
2561 * c-common.c (handle_externally_visible_attribute): First look
2562 at TREE_CODE and only if it is function or var decl, check for
2563 non-public objects. Don't warn for DECL_EXTERNAL.
2564 * cgraphunit.c (process_function_and_variable_attributes): Warn
2565 if externally_visible attribute is used on non-public object.
2567 2006-08-17 Jan Hubicka <jh@suse.cz>
2569 PR tree-optimization/27865
2570 * reload1.c (forget_marked_reloads): New function.
2571 (forget_old_reloads_1): When data are passed, just mark the registers
2573 (reload_as_needed): Use the new mechanizm.
2575 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2578 * reload.h (reg_equiv_alt_mem_list): New declaration.
2579 * reload1.c (reg_equiv_alt_mem_list): New definition.
2580 (reload): Initialize it and release it.
2581 (delete_output_reload): Use it.
2582 * reload.c (push_reg_equiv_alt_mem): New function.
2583 (find_reloads_toplev): Call it.
2584 (find_reloads_address, find_reloads_address_1): Likewise.
2585 (find_reloads_subreg_address): Likewise.
2587 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2589 PR rtl-optimization/28489
2590 * sched-ebb.c (begin_schedule_ready): Create basic block
2592 (advance_target_bb): Skip empty blocks.
2593 * haifa-sched.c (bb_note): Make global.
2594 * sched-int.h (bb_note): Add prototype.
2596 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2598 PR tree-optimization/27865
2599 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2601 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2602 fold_used_pointer, pointer_used_p): New functions.
2603 (analyze_scalar_evolution_1): Use fold_used_pointer.
2604 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2605 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2608 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2611 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2612 or the INTEGER_CST. Fail on a CALL_EXPR.
2613 (fold_offsetof): Pass new argument to fold_offsetof_1.
2614 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2615 operand into an INDIRECT_REF.
2616 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2618 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2620 PR gcov/profile/26570
2621 * value-prof.c (static_values): Removed.
2622 (tree_find_values_to_profile): Do not set static_values.
2623 (find_values_to_profile): Do not free static_values.
2624 * profile.c (instrument_values): Do not free the values.
2625 (branch_prob): Free the values.
2627 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2629 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2631 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2634 * c-typeck.c (build_component_ref): Combine qualifiers of
2635 structure or union and field.
2637 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2639 PR rtl-optimization/28071
2640 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2641 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2642 * tree-into-ssa.c (struct dom_dfsnum): New.
2643 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2645 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2646 compute_global_livein.
2647 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2648 in phi nodes in the correct blocks.
2650 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2652 PR tree-optimization/28364
2653 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2655 (fold_affine_expr): New function.
2656 (may_eliminate_iv): Use fold_affine_expr.
2658 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2661 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2664 2006-08-16 Mike Stump <mrs@apple.com>
2666 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2667 * doc/cppopts.texi (-MD): Likewise.
2669 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2672 * c-common.c (handle_weak_attribute): Ignore and warn if
2673 not a FUNCTION_ or VAR_DECL.
2675 2006-07-15 Mike Stump <mrs@apple.com>
2678 * c-parser.c (c_parser_typeof_specifier): Don't use
2679 c_finish_expr_stmt, open code desired semantics instead.
2681 2006-08-15 Nick Clifton <nickc@redhat.com>
2683 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2684 fragment to tmake_file only if threads are enabled.
2685 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2686 * config/i386/t-gthr-win32: New file. ... here.
2688 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2691 * c-parser.c (c_parser_compound_statement_nostart): Reset
2692 parser->error after each statement.
2694 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2697 * omp-low.c (lower_omp_parallel): Convert t to
2698 receiver_decl's type.
2699 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2700 source before comparison.
2703 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2704 to itype in assignment to oldival2.
2706 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2710 * c-typeck.c (build_compound_expr): If the second expression
2711 is an error mark, then just return an error mark instead of
2712 creating a COMPOUND_EXPR.
2714 2006-07-14 Mike Stump <mrs@apple.com>
2716 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2718 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2720 * c-decl.c, var-tracking.c: Fix comment typos.
2722 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2724 PR rtl-optimization/28634
2725 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2726 for floating-point modes unless flag_unsafe_math_optimizations.
2728 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2729 Andrew Pinski <pinskia@physics.uc.edu>
2732 * tree.c (build_array_type): Unify array types with
2733 unspecified index_type.
2734 * c-decl.c (grokdeclarator): Make sure we do not modify a
2735 unified incomplete array type.
2736 * c-typeck.c (store_init_value): Create distinct type before
2737 filling in the index type in an initializer from a compound
2740 * c-decl.c (grokdeclarator): Remove code where we copy the
2743 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2745 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2746 into account for TODO_dump_cgraph.
2747 (TODO_update_ssa_no_phi): Likewise.
2748 (TODO_update_ssa_full_phi): Likewise.
2749 (TODO_update_ssa_only_virtuals): Likewise.
2750 (TODO_remove_unused_locals): Likewise.
2751 (TODO_set_props): Likewise.
2752 (TODO_update_stmt_usage): Likewise.
2754 2006-08-13 Dirk Mueller <dmueller@suse.de>
2756 * c-common.c (strict_aliasing_warning): Fix formatting.
2758 2006-08-13 Matthias Klose <doko@debian.org>
2760 * doc/invoke.texi: Fix spelling errors.
2762 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2764 PR rtl-optimization/23454
2765 * reorg.c (relax_delay_slots): Update comment.
2767 2006-08-11 Richard Guenther <rguenther@suse.de>
2770 * simplify-rtx.c (simplify_const_relational_operation):
2771 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2774 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2776 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2777 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2779 2006-08-10 Paul Brook <paul@codesourcery.com>
2781 * final.c (final_scan_insn): Clear current_insn_predicate before
2782 outputting inline asm.
2784 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2786 PR tree-optimization/26197
2787 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2788 get_ref_base_and_extent and overlap_subvar to add only relevant
2789 subvars as may-aliases.
2790 (add_may_alias_for_new_tag): New function, factored out of
2792 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2793 with additional argument.
2794 * tree-flow.h (new_type_alias): Takes additional argument.
2796 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2798 * gcov.c (no_data_file): New flag.
2799 (read_count_file): Set it if data file not present. Assume counts
2801 (output_lines): Don't name the data file, if there wasn't one.
2803 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2805 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2806 (rs6000_generate_compare): Tweak comments.
2807 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2809 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2811 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2812 (var_debug_decl): New function.
2813 (var_reg_set): Follow debug decl link. Add location even if
2814 reg is already known to hold some other variable.
2815 (var_mem_set): Follow debug decl link.
2816 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2817 decl link. Delete other known locations of the variable part
2819 (var_reg_delete, var_mem_delete): Delete other known locations
2820 of the variable part if requested.
2821 (same_variable_part_p): New function.
2822 (add_stores): Select MO_COPY when appropriate.
2823 (vt_initialize): Handle it.
2824 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2825 known locations for MO_SET and MO_CLOBBER.
2826 (find_variable_location_part): New function.
2827 (set_variable_part, delete_variable_part): Use it.
2828 (clobber_variable_part): New function.
2829 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2832 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2834 PR tree-optimization/26969
2835 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2836 with an empty list of PHIs.
2838 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2842 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2845 2006-08-06 Andreas Schwab <schwab@suse.de>
2847 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2848 string. Whitespace and comment fixup.
2850 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2853 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2857 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2860 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2862 2006-08-04 Jan Hubicka <jh@suse.cz>
2866 * reload.c (push_reload): Patch out the mismatching instruction;
2868 (find_reload): Bail out if the instruction was patched out.
2870 2006-08-04 Jan Hubicka <jh@suse.cz>
2872 PR tree-optimization/24888
2873 * tree-inline.c (expand_call_inline): Do not re-record variables.
2874 (declare_inline_vars): Add variable to unexpanded_var_list.
2876 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2877 Roger Sayle <roger@eyesopen.com>
2879 PR rtl-optimization/26244
2880 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2881 inner_const are negative or greater than or equal to the bitsize of
2882 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2883 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2884 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2885 CONST0_RTX (mode) when the new shift count is greater than or equal to
2886 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2889 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2891 * tree-cfg.c: Fix a comment typo.
2893 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2896 * varasm.c (output_constant): Give the front end another chance to
2897 expand constants, after stripping NOPs.
2899 2006-08-03 Jan Hubicka <jh@suse.cz>
2901 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2904 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2906 PR tree-optimization/27770
2907 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2908 declaration removed (moved to tree-flow.h).
2909 (vect_can_force_dr_alignment_p): Likewise.
2910 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2911 (moved from tree-vectorizer.h).
2912 (vect_can_force_dr_alignment_p): Likewise.
2913 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2914 from outside the vectorizer - in particular from cgraph stage.
2915 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2916 the alignment of global arrays when -fsection-anchors is enabled.
2917 * cgraphunit.c (cgraph_increase_alignment): New function.
2918 (cgraph_optimize): Call cgraph_increase_alignment.
2920 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2923 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2924 not reload a SPE symbol_ref into a lo_sum address.
2926 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2929 * dwarf2out.c (prune_unused_types_prune): Move call to
2930 prune_unused_types_update_strings to cover the parent DIE also.
2932 2006-08-02 Jan Hubicka <jh@suse.cz>
2934 PR gcov/profile/28480
2935 * tree-cfg.c (change_bb_for_stmt): New function.
2936 (tree_merge_blocks, tree_split_blocks): Use it.
2938 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2944 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2945 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2946 (cgraph_optimize): Likewise.
2948 2006-08-01 Stuart Hastings <stuart@apple.com>
2950 * rtl.h (UINTVAL) New.
2951 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2952 * testsuite/gcc.dg/20060801-1.c: New.
2954 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2957 * c-typeck.c (build_external_type): Mark used enum types.
2958 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2960 (gen_subprogram_die): Whitespace fix.
2962 2006-08-01 Jan Hubicka <jh@suse.cz>
2964 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2965 bitmap when not needed.
2966 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2969 2006-08-01 Dirk Mueller <dmueller@suse.de>
2971 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2973 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2975 * Makefile.in: Revert part of previous patch:
2976 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2979 2006-07-30 Eric Christopher <echristo@apple.com>
2982 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2983 (PowerPC Variable Attributes): New section.
2985 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2987 PR target/28126 (partial fix)
2988 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2990 2006-07-28 Jan Hubicka <jh@suse.cz>
2992 PR rtl-optimization/28071
2993 * cfgrtl.c (rtl_delete_block): Free regsets.
2994 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2996 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2998 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2999 and variables used in dependencies.
3001 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3003 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3004 %fs for -mcmodel=kernel.
3005 (stack_tls_protect_test_di): Likewise.
3007 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3009 * Makefile.in: Use mkinstalldirs.
3011 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3014 * opts-common.c (prune_options): Skip joined switches.
3016 2006-07-27 Jan Hubicka <jh@suse.cz>
3018 PR rtl-optimization/28071
3019 * cselib.c (cselib_process_insn): Don't remove useless values too
3020 often for very large hashtables.
3022 2006-07-27 Jan Hubicka <jh@suse.cz>
3024 PR rtl-optimization/28071
3025 * global.c (greg_obstack): New obstack.
3026 (allocate_bb_info): Use it.
3027 (free_bb_info): Likewise.
3028 (modify_reg_pav): Likewise.
3030 2006-07-27 Roger Sayle <roger@eyesopen.com>
3032 * builtins.c (fold_fixed_mathfn): When long and long long are the
3033 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3034 functions to their lceil*, lfloor*, lround* and lrint* forms.
3036 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3039 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3041 (rev_branch_insn): Likewise.
3043 2006-07-27 Jan Hubicka <jh@suse.cz>
3045 PR rtl-optimization/28071
3046 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3047 (reg_set_in_bb, max_reg_computed): New static variables.
3048 (regmove_optimize): Free the new array.
3049 (fixup_match_1): Update call of reg_is_remote_constant_p.
3051 2006-07-26 Jan Hubicka <jh@suse.cz>
3053 PR tree-optimization/27882
3054 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3056 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3058 (cgraph_analyze_compilation_unit): Likewise.
3059 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3060 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3061 (cgraph_early_inlinine): Make order garbage collected.
3062 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3064 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3066 * dbxout.c (output_types_sort): Add a comment.
3067 (output_used_types): Free the VEC.
3069 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3071 * function.c (reorder_fix_fragments): Delete.
3072 (reorder_blocks): Don't call it.
3073 (reorder_blocks_1): Put all subblocks under the origin block.
3075 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3077 PR rtl-optimization/27907
3078 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3081 2006-07-25 Roger Sayle <roger@eyesopen.com>
3084 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3085 bar(x) check that bar's result type can represent all the values of T.
3087 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3089 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3091 2006-07-25 Nick Clifton <nickc@redhat.com>
3093 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3094 size_lookup[] array.
3095 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3096 (ggc_pch_count_object): Likewise.
3097 (ggc_pch_alloc_object): Likewise.
3098 (ggc_pch_write_object): Likewise.
3099 (init_ggc): Do not attempt to initialize entries in the
3100 size_lookup[] array for objects whose size is greater than than
3101 the length of the array.
3103 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3105 * dbxout.c (output_used_types_helper): Push queued types
3107 (output_types_sort): New.
3108 (output_used_types): Collect used types on a VEC and sort them
3111 2006-07-24 Richard Guenther <rguenther@suse.de>
3114 * cgraph.c (cgraph_remove_node): Do not check if dumps
3116 * cgraphunit.c (cgraph_optimize): Likewise.
3118 2006-07-24 Jan Hubicka <jh@suse.cz>
3120 PR rtl-optimization/28071
3121 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3122 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3123 splitting before first stmt.
3125 2006-07-24 Jan Hubicka <jh@suse.cz>
3127 PR rtl-optimization/28071
3128 * ipa-inline.c (update_caller_keys): Remove edges that
3129 are no longer inline candidates.
3131 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3134 * dbxout.c (output_used_types_helper, output_used_types): New.
3135 (dbxout_symbol): Call output_used_types.
3137 2006-07-23 Jan Hubicka <jh@suse.cz>
3141 * cgraph.c (cgraph_varpool_nodes): Export.
3142 (decide_is_variable_needed): Ignored "used" attribute in
3143 unit-at-a-time mode.
3144 * cgraph.h (cgraph_varpool_nodes): Declare.
3145 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3146 unit-at-a-time mode.
3148 2006-07-23 Roger Sayle <roger@eyesopen.com>
3151 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3152 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3153 the __gthrw form of thr_keycreate.
3154 (__gthread_key_delete): Silence the unused argument warning.
3156 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3159 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3160 Cache the last found '\0' marker to avoid quadratic behavior.
3162 2006-07-23 Jan Hubicka <jh@suse.cz>
3164 * i386.md (subsi_3_zext): Fix output template.
3166 2006-07-21 Mike Stump <mrs@apple.com>
3168 * doc/invoke.texi (C++ Dialect Options): Note that
3169 -fvisibility-inlines-hidden doesn't affect explicitly
3170 instantiationed inline methods.
3172 2006-07-20 Roger Sayle <roger@eyesopen.com>
3174 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3175 if the target assembler is GNU binutils' gas.
3176 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3177 whether to pass GNU gas or native as command line options.
3179 2006-07-20 Jason Merrill <jason@redhat.com>
3181 * tree.c (remove_attribute): New fn.
3182 * tree.h: Declare it.
3184 2006-07-20 Paul Brook <paul@codesourcery.com>
3187 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3188 they are invalidated by this instruction.
3190 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3193 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3195 2006-07-20 Eric Christopher <echristo@apple.com>
3198 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3200 2006-07-19 Eric Christopher <echristo@apple.com>
3202 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3203 Rewrite dependencies for libgcc_s.1.dylib.
3205 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3207 * except.c (duplicate_eh_regions_1): Clear next_peer.
3209 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3211 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3212 -mlongcall does not guarantee all calls will be long.
3213 * doc/extend.texi (long_call/short_call): Document that longcall
3214 does not guarantee a long call will be used.
3215 (longcall/shortcall): Likewise.
3217 2006-07-18 Roger Sayle <roger@eyesopen.com>
3220 * expmed.c (expand_shift): Additionally check that the shift_cost
3221 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3222 before implementing a LSHIFT_EXPR as a sequence of additions.
3223 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3224 middle-end that DImode shifts need to be synthesized by expand.
3226 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3229 * tree-ssa-operands.c (access_can_touch_variable): Update
3231 Return true if ALIAS is .GLOBAL_VAR.
3233 2006-07-18 David Daney <ddaney@avtrex.com>
3235 * gcc.c (display_help): Fix typo in help text.
3237 2006-07-18 Olivier Hainque <hainque@adacore.com>
3239 * tree.h (categorize_ctor_elements): Adjust prototype and add
3240 descriptive comment, both in accordance with the interface change
3242 * varasm.c (constructor_static_from_elts_p): New function.
3243 Whether a constructor node is a valid static constant initializer
3244 if all its elements are.
3245 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3246 * output.h: Declare it.
3247 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3248 is a valid constant initializer instead of computing the number of
3249 non-constant elements. Use constructor_static_from_elts_p for this
3250 purpose. Replace the head comment with an indication that this is a
3251 helper for categorize_ctor_elements.
3252 (categorize_ctor_elements): Same interface change as for the _1
3253 helper. Former head comment from this helper moved here, adjusted to
3254 account for the interface changes.
3255 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3256 (all_zeros_p): Likewise.
3257 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3258 static versions of the constructor from the categorize_ctor_elements
3259 return value instead of the formerly computed number of non-constant
3262 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3264 * configure: Regenerate.
3265 * Makefile.in (build_libsubdir): New configure substitution
3266 (build_libobjdir): New variable.
3267 (BUILD_LIBIBERTY): Use it.
3269 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3272 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3274 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3277 * c-common.c (handle_weakref_attribute): Ignore attribute in
3278 the same conditions the alias attribute is ignored.
3280 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3282 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3283 (dbxout_begin_prologue): Increment scope_labelno.
3285 2006-07-17 Richard Henderson <rth@redhat.com>
3288 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3291 2006-07-17 Roger Sayle <roger@eyesopen.com>
3292 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3294 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3295 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3296 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3297 functions such as sbrk, write, etc.. Add function prototypes.
3298 Convert function declarations from K&R to ISO C. Cast pointers
3299 to "long" and "unsigned long" instead of "int" and "unsigned int".
3300 Convert tokens following #endif into comments.
3302 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3304 * invoke.texi: Remove mention of f77; Reformat table for
3305 inline parameter options correctly; mention that -malign-double
3306 is default on x86-64 targets.
3308 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3310 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3311 (convert_affine_scev, chrec_convert_aggressive): Use
3312 avoid_arithmetics_in_type_p. Do not check for the subtypes
3315 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3318 * optabs.c (expand_doubleword_shift): Wrap the call to
3319 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3321 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3324 * optabs.c (expand_binop): Pass next_methods rather than methods
3325 to expand_doubleword_shift.
3327 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3330 * tree.h (dump_addr): Declare.
3331 * print-tree.c (dump_addr): New function.
3332 (print_node_brief, print_node): Use it.
3333 * print-rtl.c (print_rtx): Likewise.
3334 * common.opt (-fdump-noaddr): New option.
3335 * doc/invoke.texi (-fdump-noaddr): Document.
3336 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3337 (ve_info_hash): Likewise.
3339 2006-07-13 Andrew Haley <aph@redhat.com>
3341 PR tree-optimization/19505
3342 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3343 edge leaving this block, make sure that the destination of this
3344 block has only one predecessor.
3346 2006-07-17 Richard Guenther <rguenther@suse.de>
3348 PR tree-optimization/28238
3349 * tree-inline.c (copy_bb): Check if we produced valid
3350 gimple copying and substituting a stmt. If not, gimplify
3353 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3355 * optabs.c (maybe_encapsulate_block): New function extracted from...
3356 (emit_libcall_block): ...here. Invoke it on the block of insns to
3357 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3358 (emit_no_conflict_block): Likewise.
3360 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3362 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3364 2006-07-15 Roger Sayle <roger@eyesopen.com>
3366 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3367 a new NOP_EXPR case of the switch statement.
3369 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3372 * stor-layout.c (place_field): Take the bit field with
3373 an excessive size into account in the ms-bitfiled case.
3376 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3377 the previous bit field.
3379 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3382 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3384 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3386 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3387 signal frames correctly even when the signal was installed with
3390 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3392 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3393 (dbxout_function_end): Use local label LFBB. Remove hook
3395 (dbxout_source_line): Use local label LFBB.
3396 (dbxout_block): Likewise.
3397 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3398 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3399 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3400 and DBX_OUTPUT_NFUN.
3402 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3404 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3406 2006-07-13 Jan Hubicka <jh@suse.cz>
3408 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3410 * output.h (align_variable): Declare.
3411 * varasm.c (align_variable): Export.
3412 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3413 when basic block changed.
3415 2006-07-13 Nick Clifton <nickc@redhat.com>
3417 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3418 walking the LOG_LINKS chain.
3420 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3422 * doc/invoke.texi (C++ Dialect Options): Explain difference
3423 between -fvisibility-inlines-hidden and setting hidden
3424 visibility explicitly.
3426 2006-07-12 Eric Christopher <echristo@apple.com>
3428 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3429 (stmp-lipo): Depend on libgcc.a.
3431 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3433 * tree.c: Fix a comment typo.
3435 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3437 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3439 (umulhisi3_r): Likewise.
3441 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3444 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3445 x < 19, vs wchar_t support.
3447 2006-07-12 Nick Clifton <nickc@redhat.com>
3449 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3450 instead of -isa=sh4.
3452 2006-07-12 Mike Stump <mrs@apple.com>
3454 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3456 2006-07-10 Eric Christopher <echristo@apple.com>
3458 * config/t-slibgcc-darwin: Rewrite.
3460 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3463 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3466 2006-07-08 Matthias Klose <doko@debian.org>
3468 * doc/sourcebuild.texi: Fix typo.
3470 2006-07-07 Mike Stump <mrs@apple.com>
3472 * toplev.c (process_options): Don't give -ffunction-sections may
3473 affect debugging warning for Mach-O.
3475 2006-07-07 James E Wilson <wilson@specifix.com>
3477 * config/mips/mips.md (cpu): Add sb1a.
3478 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3479 addition to sb1. Adjust comments to clarify SB-1A differences from
3481 (ir_sb1a_load): New. Modify bypasses to use it.
3482 (ir_sb1a_simple_alu): Likewise.
3483 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3484 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3485 (mips_issue_rate): Add PROCESSOR_SB1A.
3486 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3487 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3488 (TARGET_SB1): Add PROCESSOR_SB1A check.
3489 (TUNE_SB1): Likewise.
3491 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3492 * config/mips/mips.c (mips_store_data_bypass_p): New.
3493 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3494 store_data_bypass_p.
3496 2006-07-08 Paul Brook <paul@codesourcery.com>
3499 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3501 2006-07-07 Richard Guenther <rguenther@suse.de>
3504 * tree.h (build_one_cst): Declare.
3505 * tree.c (build_one_cst): New function.
3506 * tree-ssa-math-opts.c (get_constant_one): Remove.
3507 (insert_reciprocals): Use build_one_cst.
3508 * fold-const.c (fold_plusminus_mult): Likewise.
3510 2006-07-07 Roger Sayle <roger@eyesopen.com>
3512 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3513 * cfgloopanal.c (dump_graph): Likewise.
3514 * dojump.c (discard_pending_stack_adjust): Likewise.
3515 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3517 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3518 * function.c (finalize_block_changes): Likewise.
3519 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3520 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3521 * rtl.c (dump_rtx_statistics): Likewise.
3522 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3524 * varray.c (dump_varray_statistics): Likewise.
3525 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3526 decode_decimal64, encode_decimal128, decode_decimal128,
3527 decimal_real_to_decimal): Likewise.
3529 2006-07-07 Richard Guenther <rguenther@suse.de>
3531 PR tree-optimization/28187
3532 * tree-vrp.c (vrp_operand_equal_p): New function.
3533 (vrp_bitmap_equal_p): Likewise.
3534 (update_value_range): Use them to compare old and new
3537 2006-07-06 Roger Sayle <roger@eyesopen.com>
3539 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3540 a default case to switch statement to silence compiler warnings.
3542 2006-07-06 Roger Sayle <roger@eyesopen.com>
3545 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3546 the configured assembler supports the x87's ffreep mnemonic.
3547 * configure: Regenerate.
3548 * config.in: Regenerate.
3550 * config/i386/i386.c (output_387_ffreep): New function.
3551 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3552 (output_387_reg_move): Likewise.
3554 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3556 Port to hosts whose 'sort' and 'tail' implementations
3557 treat operands with leading '+' as file names, as POSIX
3558 has required since 2001. However, make sure the code still
3559 works on pre-POSIX hosts.
3560 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3561 which says you should use "tail -c +N" rather than "tail +Nc".
3562 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3564 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3566 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3569 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3572 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3573 PRE_{INC,DEC} of TFmode.
3575 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3576 Alan Modra <amodra@bigpond.net.au>
3579 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3582 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3585 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3586 Remove duplicate gtu.
3588 2006-07-05 Jason Merrill <jason@redhat.com>
3592 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3593 * c-common.c (handle_packed_attribute): So don't copy it here.
3594 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3596 2006-07-05 Mike Stump <mrs@apple.com>
3598 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3600 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3603 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3605 2006-07-05 Richard Guenther <rguenther@suse.de>
3608 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3609 TARGET_SSE2 targets if using SSE math.
3610 (*absdf2_1): Likewise.
3612 2006-07-05 Richard Guenther <rguenther@suse.de>
3614 PR tree-optimization/28162
3615 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3616 make sure to convert the operands to the correct type.
3618 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3620 PR tree-optimization/28218
3622 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3623 to calculate and free the dominator information.
3625 2006-07-04 Peter O'Gorman <peter@pogma.com>
3627 * mklibgcc.in: chmod 644 before ranlib during install.
3629 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3630 J"orn Rennecke <joern.rennecke@st.com>
3632 * configure.ac (.eh_frame data check): Use diff -b.
3634 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3637 * Makefile.in (BUILD_RTL): Add build/vec.o.
3638 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3639 (build/genextract): Delete.
3640 (build/genautomata): Likewise.
3642 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3645 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3646 128-bit IBM long doubles for ABI_V4.
3648 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3650 * tree.c (range_in_array_bounds_p): New predicate.
3651 * tree.h (range_in_array_bounds_p): Declare it.
3652 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3653 return a less conservative answer.
3654 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3655 and flag 'is_group'.
3656 (IS_ELEMENT_FOR_GROUP): New macro.
3657 (FOR_EACH_ACTUAL_CHILD): Likewise.
3658 (next_child_for_group): New helper function.
3659 (can_completely_scalarize_p): Take into account groups.
3660 (sra_hash_tree): Handle RANGE_EXPR.
3661 (sra_elt_eq): Likewise.
3662 (lookup_element): Be prepared for handling groups.
3663 (is_valid_const_index): Delete.
3664 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3665 instead of is_valid_const_index.
3666 <ARRAY_RANGE_REF>: New case.
3667 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3668 is_valid_const_index.
3669 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3670 (scan_dump): Dump info for groups too.
3671 (decide_instantiation_1): Likewise.
3672 (decide_block_copy): Assert that the element is not a group.
3673 Propagate decision to groups.
3674 (generate_one_element_ref): Handle RANGE_EXPR.
3675 (mark_no_warning): Iterate over actual childs.
3676 (generate_copy_inout): Likewise.
3677 (generate_element_copy): Likewise.
3678 (generate_element_zero): Likewise.
3679 (generate_element_init_1): Likewise.
3680 (dump_sra_elt_name): Handle RANGE_EXPR.
3682 2006-07-03 Roger Sayle <roger@eyesopen.com>
3684 PR tree-optimization/26251
3685 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3686 (thread_block): When optimizing for size refuse to thread jumps
3687 that would require duplication of blocks other than redirection
3690 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3692 * configure.ac: Fix thinko in previous check-in.
3693 * configure: Regenerate.
3695 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3698 * configure.ac (for lang...): Simplify nesting of conditionals.
3699 Test subdir_requires for non-enabled languages. Move processing
3700 of lang_opt_files and lang_tree_fiels below that test.
3701 * configure: Regenerate.
3702 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3704 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3706 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3708 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3710 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3713 2006-06-29 Jason Merrill <jason@redhat.com>
3720 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3721 * c-common.c (c_determine_visibility): Handle it here.
3722 * c-decl.c (finish_decl): Call c_determine_visibility for
3724 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3726 * varasm.c (default_assemble_visibility): Likewise.
3727 * c-common.c (handle_visibility_attribute): Complain about trying
3728 to give visibility to an already defined class, or trying to change
3729 declared visibility. Always attach the attribute.
3734 * attribs.c (decl_attributes): Ignore type-in-place attributes
3735 once the type has been defined.
3737 2006-06-29 Roger Sayle <roger@eyesopen.com>
3740 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3741 to indicate the cpplib has issued an error message for us.
3743 2006-06-29 Asher Langton <langton2@llnl.gov>
3746 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3747 insert a label at the end of an function under Mach-O.
3749 2006-06-29 Eric Christopher <echristo@apple.com>
3750 Evan Cheng <evan.cheng@apple.com>
3752 * predicates.md (vector_all_ones_operand): New.
3753 (nonimmediate_or_sse_const_operand): Ditto.
3754 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3755 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3756 (standard_sse_mode_p): Ditto.
3757 (standard_sse_constant_p): Add case for -1 vector.
3758 (ix86_expand_vector_move): Try to use.
3759 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3760 Call standard_sse_constant_opcode.
3761 (*movv4sf_internal): Ditto.
3762 (*movv2df_internal): Ditto.
3764 2006-06-29 Roger Sayle <roger@eyesopen.com>
3766 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3767 of XEXP to extract the operands of a MATCH_CODE rtx.
3769 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3771 * tree.c (tree_size): Do not waste tail padding in
3772 struct tree_string and make the size be the same as
3773 build_string will generate.
3775 2006-06-28 Jason Merrill <jason@redhat.com>
3778 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3779 may_aliases already in the tag's annotations to the bitmap.
3781 2006-06-28 Roger Sayle <roger@eyesopen.com>
3783 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3785 2006-06-28 Roger Sayle <roger@eyesopen.com>
3787 * genpreds.c (generate_switch_p): New function.
3788 (add_mode_tests): Push the new mode test down inside an AND expr
3789 if this allows the switch-suitable MATCH_CODE to be near the root.
3790 (write_match_code_switch): New function to write a MATCH_CODE as
3792 (write_predicate_stmts): New function to write a predicate RTX
3793 expression as a sequence of statements.
3794 (write_one_predicate_function): Use write_predicate_stmts.
3795 (write_tm_constrs_h): Likewise.
3797 2006-06-26 Fred Fish <fnf@specifix.com>
3799 * config/mips/t-sb1: New file.
3800 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3803 2006-06-26 DJ Delorie <dj@redhat.com>
3805 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3807 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3808 Jayant Sonar <jayants@kpitcummins.com>
3809 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3811 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3812 (subsi3, subsi3_1, subsi3_2): New.
3813 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3814 * config/m32c/mov.md (SI mov peephole): New.
3815 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3816 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3818 2006-06-26 Olivier Hainque <hainque@adacore.com>
3820 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3821 a CALL_EXPR target function declaration.
3823 2006-06-26 Richard Guenther <rguenther@suse.de>
3825 * tree.c (build_string): Do not waste tail padding in
3828 2006-06-26 Richard Guenther <rguenther@suse.de>
3830 * ggc-page.c (init_ggc): Add missing element to size_lookup
3834 2006-06-23 Richard Guenther <rguenther@suse.de>
3836 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3837 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3838 alignment requests instead. Add verification code.
3839 Add struct tree_function_decl and struct tree_binfo size to
3840 extra_order_size_table. Add missing element to size_lookup
3843 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3846 * fold-const.c (const_binop): Be prepared for self returning zero.
3847 Simplify code handling complex values.
3849 2006-06-24 Olivier Hainque <hainque@adacore.com>
3851 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3852 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3855 2006-06-24 Olivier Hainque <hainque@adacore.com>
3857 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3858 ARRAY_REF, so have the callback called for the low bound expression.
3860 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3862 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3863 * c-typeck.c (c_common_type): Disallow operations on decimal float
3864 types and other float types.
3865 * convert.c (convert_to_real): Don't ignore conversions involving
3866 decimal float types.
3868 2006-06-23 Olivier Hainque <hainque@adacore.com>
3870 * tree.c (max_int_size_in_bytes): New function, inspired from
3871 code in function.c:assign_temp.
3872 * tree.h (max_int_size_in_bytes): Declare.
3873 * function.c (assign_temp): Use it.
3874 * gimplify.c (create_tmp_var): Relax the assertions on the type
3875 properties, not mandating constant size any more.
3876 (force_constant_size): New static function.
3877 (gimple_add_tmp_var): Use it, forcing variable size to a
3878 constant upper bound if it is not constant on entry.
3880 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3883 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3884 for initialization and setting of one_only flag to ...
3885 (i386_pe_encode_section_info): ...here.
3886 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3887 Recheck that the symbol has not been defined.
3889 2006-06-23 Richard Guenther <rguenther@suse.de>
3891 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3892 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3893 alignment requests instead. Add verification code.
3894 Add struct tree_function_decl and struct tree_binfo size to
3895 extra_order_size_table. Add missing element to size_lookup
3898 2006-06-22 Roger Sayle <roger@eyesopen.com>
3899 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3902 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3903 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3905 2006-06-23 Ben Elliston <bje@au.ibm.com>
3907 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3908 negate dn -- manipulate it directly.
3910 2006-06-22 Roger Sayle <roger@eyesopen.com>
3911 Steven Bosscher <stevenb.gcc@gmail.com>
3914 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3915 generated by gen_move_insn to add REG_LABEL notes if necessary.
3917 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3919 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3920 (leaf_entry): Remove use of MIN_ESA.
3922 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3924 PR rtl-optimization/28121
3925 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3928 2006-06-21 DJ Delorie <dj@redhat.com>
3930 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3932 (mulhisi3_r): Likewise.
3934 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3937 * coverage.c (coverage_counter_alloc): Leave the index type
3939 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3942 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3944 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3945 section from the "Options for Code Generation Conventions".
3947 2006-06-21 Richard Henderson <rth@redhat.com>
3951 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3953 (global_symbolic_operand): Allow weak symbols, even if local_p.
3955 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3957 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3958 (find_interesting_uses_address): Punt if above function returns true.
3960 2006-06-21 Richard Guenther <rguenther@suse.de>
3962 * configure: Regenerated.
3964 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3966 * config/mips/mips.c (function_arg): Where one part of a
3967 complex argument is in registers and the other part in the stack,
3968 return a REG not a PARALLEL.
3970 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3972 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3973 when cross-compiling. Do not substitute libstdcxx_incdir.
3974 * configure: Regenerated.
3976 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3978 * varasm.c (mergeable_string_section): Check for embedded NULs and
3979 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3980 rather than TREE_STRING_LENGTH bytes.
3982 2006-06-21 Richard Guenther <rguenther@suse.de>
3984 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3985 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3988 2006-06-21 Richrad Guenther <rguenther@suse.de>
3990 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3991 Limit iteration over the dominators.
3993 2006-06-20 Roger Sayle <roger@eyesopen.com>
3995 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3996 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3998 2006-06-20 Richard Guenther <rguenther@suse.de>
3999 Michael Matz <matz@suse.de>
4001 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4003 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4004 * et-forest.h (et_free_pools): Prototype new function.
4005 * et-forest.c (et_free_tree_force): Free parent occurrence.
4006 (et_free_pools): New function.
4007 * dominance.c (free_dominance_info): Free et-forest alloc
4010 2006-06-20 Roger Sayle <roger@eyesopen.com>
4012 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4013 integer modes, attempt to directly construct an integer constant.
4015 * fold-const.c (native_encode_vector): Determine the size of each
4016 element from the vector type instead of the first vector element.
4018 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4019 if all of its elements/components are constant.
4020 (build_constructor_from_list): Likewise.
4022 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4024 PR tree-optimization/27331
4025 * tree-data-ref.c (free_data_ref): New function.
4026 (create_data_ref): Fail if the data reference has unknown access
4028 (free_data_refs): Use free_data_ref.
4030 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4033 * tree-inline.c (setup_one_parameter): Strip useless
4034 type conversion before adding it to the IR.
4035 (declare_return_variable): Likewise.
4037 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4040 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4042 2006-06-19 Mike Stump <mrs@apple.com>
4044 * tree.c (variably_modified_type_p): VM arguments don't make the
4047 2006-06-19 Richard Guenther <rguenther@suse.de>
4049 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4050 type conversions after folding.
4052 2006-06-19 Richard Guenther <rguenther@suse.de>
4054 * ggc-page.c (extra_order_size_tab): Add entries with
4055 size of struct function and basic_block.
4056 (size_lookup): Extend to cover sizes up to 511.
4057 (ggc_alloc_stat): Adjust user.
4058 (ggc_pch_count_object): Likewise.
4059 (ggc_pch_alloc_object): Likewise.
4060 (ggc_pch_write_object): Likewise.
4062 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4064 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4065 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4068 2006-06-19 Denis Chertykov <denisc@overta.ru>
4070 * config/avr/libgcc.S : Correct my wrong previous commit.
4072 2006-06-19 Roger Sayle <roger@eyesopen.com>
4075 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4076 have stripped a SUBREG from the shift count, so we may need to
4077 convert_to_mode back to the type's mode before calling make_tree.
4078 Use new_amount instead of amount to avoid expanding a tree twice.
4080 2006-06-19 Richard Guenther <rguenther@suse.de>
4083 * fold-const.c (operand_equal_p): Check if the argument types
4084 have the same precision before stripping NOPs.
4086 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4088 Fix PR tree-optimization/27341
4089 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4091 * tree-complex.c (pass_lower_complex): Update SMT usage.
4093 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4095 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4096 Add a new alternative to the constraint strings. Add move of
4097 operand 1 to 3 to the splitter definition.
4098 ("doloop_si_long"): Second contraint alternative removed.
4100 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4102 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4103 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4105 (AVR_HAVE_MOVW) Define.
4106 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4107 (ASM_SPEC): Add avr25.
4108 (LINK_SPEC): Add avr25.
4109 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4110 (base_arch_s): Add new member 'have_movw_lpmx'.
4111 (avr_arch_types): Init 'have_movw_lpmx'.
4112 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4113 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4114 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4115 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4116 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4118 (avr_file_start): Do not output '.arh' derective.
4119 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4120 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4121 * config/avr/avr.md (mcu_enhanced): Delete.
4122 (mcu_have_movw): Define.
4123 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4124 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4125 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4126 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4127 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4128 attiny861 and at86rf401 devices.
4130 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4132 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4135 2006-06-17 Karl Berry <karl@gnu.org>
4137 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4138 doc/gccint.texi, doc/install.texi (@dircategory): Use
4139 "Software development" instead of "Programming", following
4140 the Free Software Directory.
4142 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4144 * config/i386/i386.c (legitimate_tls_address)
4145 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4146 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4147 (*tls_dynamic_gnu2_combine_64): Likewise.
4149 2006-06-16 Richard Guenther <rguenther@suse.de>
4152 * fold-const.c (negate_expr_p): Do not introduce undefined
4153 overflow in negating INTEGER_CSTs.
4154 (fold_negate_expr): Rename from negate_expr. Revert last
4155 change for folding BIT_NOT_EXPR. Change semantics to
4156 return NULL_TREE for non-simplified negations. Do not
4157 strip type conversions and unify type handling.
4158 (negate_expr): New function, wrap around fold_negate_expr
4159 but ensure building a tree always. Strip type conversions
4160 here, fold to result type.
4161 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4163 2006-06-16 Roger Sayle <roger@eyesopen.com>
4166 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4167 that (would) return their results in stack registers.
4169 2006-06-16 Michael Matz <matz@suse.de>
4170 Richard Guenther <rguenther@suse.de>
4172 * fold-const.c (fold_truthop): Only return new tree node if
4173 we canonicalized something.
4175 2006-06-16 Richard Guenther <rguenther@suse.de>
4177 * function.h (enum function_frequency): Move declaration
4178 out of struct function.
4179 (struct function): Move bool fields and the enum to the bitfield
4180 section. Reorder elements to avoid padding. Remove unused
4181 fields left over from the RTL inliner removal.
4182 * function.c (free_after_compilation): Do not zero removed fields.
4183 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4184 (ipa-type-escape.o): Likewise.
4186 2006-06-16 Richard Guenther <rguenther@suse.de>
4188 * cgraph.h (struct cgraph_local_info): Turn bool elements
4190 (struct cgraph_node): Likewise.
4191 (struct cgraph_varpool_node): Likewise.
4193 2006-06-15 Richard Guenther <rguenther@suse.de>
4195 * fold-const.c (fold_truth_not_expr): Rename from
4196 invert_truthvalue. Give it fold_* semantics to avoid
4198 (invert_truthvalue): New function. Wrapper around
4199 fold_truth_not_expr.
4200 (optimize_minmax_comparison): Avoid creating garbage.
4201 (fold_unary): Use fold_truth_not_expr for folding
4203 (fold_ternary): Replace uses of invert_truthvalue with
4204 fold_truth_not_expr where applicable.
4205 * tree.h (fold_truth_not_expr): Prototype.
4207 2006-06-16 Richard Guenther <rguenther@suse.de>
4209 PR tree-optimization/27781
4210 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4211 * ipa-pure-const.c (target.h): Include.
4212 (analyze_function): Do not analyze functions that do not
4215 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4218 * tree-dfa.c (referenced_vars_dup_list): Remove.
4219 (find_referenced_vars): Remove assert.
4220 (referenced_var_check_and_insert): Replace dup list with assert.
4221 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4222 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4224 2006-06-15 Richard Guenther <rguenther@suse.de>
4226 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4227 extra unused identifiers if not dumping.
4228 (create_variable_info_for): Likewise.
4230 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4232 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4233 (derive_constant_upper_bound): Derive more precise upper bound in
4234 common cases. Return type changed to double_int.
4235 (record_estimate): Reflect the changed return type of
4236 derive_constant_upper_bound.
4237 * double-int.c (double_int_zext, double_int_sext): Fix.
4239 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4241 * configure.ac (CFLAGS): Get them from the toplevel or from the
4242 configure invocation.
4243 * configure: Regenerate.
4244 * Makefile.in (CFLAGS): Substitute value provided by configure.
4246 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4249 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4250 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4251 rather than calling add_stmt on it.
4252 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4254 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4257 * reload1.c (reload): Remove registers returned by update_eliminables
4258 from used_spill_regs.
4260 2006-06-13 DJ Delorie <dj@redhat.com>
4262 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4264 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4266 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4267 html__strip_dir, html__mkdir_p. Enhance install-html target.
4268 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4269 * configure: Regenerate.
4271 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4273 * fold-const.c (fold_cond_expr_with_comparison): Check for
4274 Objective-C++ as language in deciding COND_EXPR transformation.
4276 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4279 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4280 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4281 * config/sh/lib1funcs.h (SL, SL1): Define.
4282 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4283 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4284 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4285 (OBJS_Os_4_200): New variable.
4286 ($(T)libgcc-Os-4-200.a): Use it.
4287 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4288 when dividing 1 and/or by 0.
4290 2006-06-13 Roger Sayle <roger@eyesopen.com>
4292 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4293 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4294 * configure: Regenerate.
4296 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4298 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4299 for real instruction.
4301 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4304 * haifa-sched.c (check_cfg): Handle special case.
4306 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4309 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4310 Add debug_info parameter. Chain the vars to the BLOCK instead
4311 of the BIND_EXPR if debug info are requested for them.
4312 (pop_gimplify_context): Adjust for above change.
4313 (gimple_add_tmp_var): Likewise.
4314 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4316 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4317 (convert_local_reference): Likewise.
4318 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4319 (finalize_nesting_tree_1): Request that debug info be emitted
4320 for debug_var_chain.
4322 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4324 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4325 for PR target/27863.
4327 2006-06-13 Richard Guenther <rguenther@suse.de>
4330 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4332 2006-06-13 Richard Guenther <rguenther@suse.de>
4334 PR tree-optimization/27830
4335 * tree-inline.c (copy_body_r): For copying the operand
4336 of an ADDR_EXPR make sure to fold &* afterwards.
4338 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4340 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4341 lvalues in the fb_none case with side-effects.
4343 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4345 * tree-flow.h: Remove the prototype for
4346 compute_phi_arg_on_exit.
4347 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4348 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4351 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4353 * builtins.c (expand_builtin_return_addr): Only use
4354 frame_pointer_rtx when count == 0 and we are expanding
4355 __builtin_return_address.
4357 2006-06-12 Fred Fish <fnf@specifix.com>
4359 * config/mips/mips.c (mips_file_start): Create special section
4360 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4362 2006-06-11 Eric Christopher <echristo@apple.com>
4365 * stor-layout.c (place_field): Remove check for
4366 remaining_in_alignment when aligning at the end of a run.
4368 2006-06-11 Eric Christopher <echristo@apple.com>
4371 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4374 2006-06-11 Roger Sayle <roger@eyesopen.com>
4377 Revert incorrect fix for PR target/27158
4378 2006-05-08 Roger Sayle <roger@eyesopen.com>
4379 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4380 of a reg_equiv_constant if the result is a legitimate constant.
4382 2006-06-11 Roger Sayle <roger@eyesopen.com>
4385 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4386 extract a CONST_VECTOR element and interpret it as an integer.
4387 (vspltis_constant): Use const_vector_elt_as_int instead of the
4388 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4389 * config/rs6000/predicates.md (easy_vector_const): Consider
4390 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4392 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4395 * stor-layout.c (update_alignment_for_field): Don't add extra
4396 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4399 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4401 * config/mips/t-rtems: Add EL/EB multilib variants.
4403 2006-06-09 Mike Stump <mrs@apple.com>
4405 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4407 2006-06-09 David Daney <ddaney@avtrex.com>
4409 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4411 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4413 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4415 2006-06-09 Richard Guenther <rguenther@suse.de>
4417 PR tree-optimization/26998
4418 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4419 of signed types, only TYPE_MIN_VALUE is special, but for both,
4420 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4421 in this case, as is -fwrapv.
4423 2006-06-08 Mike Stump <mrs@apple.com>
4426 * config/darwin.c (darwin_asm_output_anchor): Disable
4427 -fsection-anchors on darwin for now.
4428 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4429 * rs6000/rs6000.c (optimization_options): Likewise.
4431 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4434 * config/i386/i386.c (classify_argument): Skip fields with invalid
4437 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4439 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4440 (cse_insn): Likewise for the stack_pointer_rtx.
4442 2006-06-08 Roger Sayle <roger@eyesopen.com>
4444 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4445 conditions from floating point comparisons.
4447 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4450 * expmed.c (struct alg_hash_entry): Fix type of field T
4451 to match synth_mult argument.
4452 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4454 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4457 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4460 2006-06-08 Richard Guenther <rguenther@suse.de>
4463 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4464 only, if overflow is defined and not trapping.
4465 (negate_expr): Likewise.
4467 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4469 PR tree-optimization/27872
4470 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4471 flag on the new exit edge of the unrolled loop.
4473 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4475 PR rtl-optimization/26449
4476 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4478 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4481 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4482 referenced_variables with matching DECL_UID's.
4483 (find_referenced_vars): Make sure duplicate list is empty to start.
4484 (referenced_var_p): Remove.
4485 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4486 Check if var is in the list, and add if needed. Update the duplicate
4487 list if a different var is in the list with the same DECL_UID.
4488 (add_referenced_var): Call routine to check and insert.
4489 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4490 * tree-flow.h (referenced_vars_dup_list): External declaration.
4492 2006-06-07 Fred Fish <fnf@specifix.com>
4494 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4497 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4500 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4501 the imaginary and real parts of a clobbered register.
4502 Emit insn to set the imaginary part.
4504 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4506 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4507 in lieu of unwind-dw2-fde.c.
4509 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4511 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4513 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4516 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4517 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4518 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4519 V4SImode temporaries and operations instead.
4521 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4523 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4526 2006-06-06 Mike Stump <mrs@apple.com>
4528 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4529 installing during build.
4531 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4533 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4535 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4536 * config/ia64/ia64.c (params.h): New header.
4537 (ia64_optimization_options): New function to adjust parameters.
4538 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4539 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4540 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4542 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4544 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4546 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4549 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4551 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4552 Victor Kaplansky <victork@il.ibm.com>
4554 PR tree-optimization/26360
4555 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4558 2006-06-04 Roger Sayle <roger@eyesopen.com>
4559 Andrew Pinski <pinskia@physics.uc.edu>
4562 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4563 for LABEL_DECL before calling DECL_WEAK.
4566 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4567 LABEL_DECL and PARM_DECL.
4569 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4573 * c-decl.c (grokdeclarator): Disallow variably modified types at
4574 file scope. Avoid marking shared array type of constant size as
4577 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4580 * c-common.c (fold_offsetof_1): Handle static members.
4582 2006-06-04 Eric Christopher <echristo@apple.com>
4584 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4585 (debug_rli): Output value for remaining_in_alignment.
4586 (update_alignment_for_field): Unconditionalize
4587 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4588 extra alignment code.
4589 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4590 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4591 * tree.h (record_layout_info_s): Remove prev_packed.
4592 * doc/extend.texi (ms_struct): Add documentation of format.
4594 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4596 * tree.h: Declare folding_initializer.
4597 * builtins.c (fold_builtin_constant_p): Give definite answer
4598 if folding inside an initializer.
4599 * fold-const.c: Define folding_initializer.
4600 (START_FOLD_INIT): Save and then set folding_initializer.
4601 (END_FOLD_INIT): Restore folding_initializer.
4603 2006-06-04 Richard Guenther <rguenther@suse.de>
4605 PR tree-optimization/27039
4606 * fold-const.c (fold_comparison): Handle pointer comparison
4607 again for all comparison codes. Compare offsets in signed
4609 (fold_binary): Move code from here.
4611 2006-06-03 Roger Sayle <roger@eyesopen.com>
4614 * config/i386/i386.c (construct_container): Split static issued_error
4615 flag into issued_sse_arg_error, issued_sse_ret_error and
4616 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4617 requires the use of x87 registers and the user explicitly
4618 specified the -mno-80387 command line option.
4620 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4622 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4623 HAVE_DECL_SIGALTSTACK.
4625 (segv_handler): Use MC_FLD.
4626 * configure.ac: Check for a sigaltstack declaration.
4627 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4628 * configure: Regenerate.
4629 * config.in: Regenerate.
4631 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4634 * Makefile.in (stmp-fixinc): Fix typo.
4636 2006-06-02 Roger Sayle <roger@eyesopen.com>
4638 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4639 are type correct. Clean-up.
4640 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4641 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4643 2006-06-01 DJ Delorie <dj@redhat.com>
4645 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4646 shift, as we've disabled the "switch" insn that needs it.
4648 2006-06-01 Per Bothner <bothner@bothner.com>
4650 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4651 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4652 * c-ppoutput.c (cb_define): Don't increment line 0.
4654 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4656 * doc/invoke.texi: Add cpu_type power6.
4657 * config.gcc: Add cpu_type power6.
4658 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4659 to power5+ with Altivec.
4660 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4661 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4663 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4665 * config/avr/avr.h (SET_ASM_OP): Define.
4667 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4669 * config/bfin/bfin.c: Fix comment typos.
4671 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4674 * doc/install.texi: Document --enable-bootstrap and
4675 --disable-bootstrap.
4677 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4679 * doc/install.texi: Document that InfoZIP can replace jar.
4681 2006-05-31 Roger Sayle <roger@eyesopen.com>
4683 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4684 isn't available, directly generate the simpler x87 patterns without
4685 the (use (const_int 0)).
4686 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4687 implementation isn't available.
4688 (*negdf2_1): Likewise.
4689 (*negxf2_1): XF mode negation is always done using the x87.
4690 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4692 2006-05-31 Roger Sayle <roger@eyesopen.com>
4694 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4695 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4697 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4699 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4701 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4702 * config/bfin/bfin.c (basic-block.h): Include.
4703 (struct machine_function): New.
4704 (bfin_init_machine_status): New.
4705 (override_options): Initialize init_machine_status.
4706 (bfin_hardware_loop): New.
4707 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4708 (DEF_VEC_P (loop_info)): New.
4709 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4710 (struct loop_info): New.
4711 (loop_info): New typedef.
4712 (struct loop_work): New.
4713 (loop_work): New typedef.
4714 (DEF_VEC_O (loop_work)): New.
4715 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4716 (bfin_dump_loops): New.
4717 (bfin_bb_in_loop): New.
4718 (bfin_scan_loop): New.
4719 (bfin_optimize_loop): New.
4720 (bfin_reorg_loops): New.
4721 (bfin_reorg): Use bfin_reorg_loops.
4722 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4724 (I_REGNO_P): Simplify.
4725 (DP_REGNO_P, DPREG_P): New macros.
4726 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4727 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4728 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4729 Add LT_REGS, LC_REGS, LB_REGS.
4730 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4732 (REGNO_REG_CLASS): Deal with loop registers.
4733 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4735 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4736 New constants for loop registers.
4737 (UNSPEC_LSETUP_END): New.
4738 (seq_insns): New define_attr. Set it for appropriate insns.
4739 (movsi_insn): Add alternatives for move from/to
4740 loop count registers.
4741 (doloop_end): New define_expand.
4742 (loop_end): New define_insn.
4743 (define_split for bad doloop_end): New.
4744 (lsetup_with_autoinit): New define_insn.
4745 (lsetup_without_autoinit): New define_insn.
4746 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4747 * config/bfin/predicates.md (lc_register_operand): New.
4748 (lt_register_operand): New.
4749 (lb_register_operand): New.
4750 (nondp_register_operand): New.
4751 (nondp_reg_or_memory_operand): New.
4752 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4754 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4756 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4757 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4759 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4761 * Makefile.in (CATALOGS): Add po/ prefix.
4762 * configure: Regenerated.
4764 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4767 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4768 a shift operand before calling shift_op. Avoid redundant call of
4771 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4772 DJ Delorie <dj@redhat.com>
4774 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4775 we're inserting is a singlt-bit constant.
4777 2006-05-30 Roger Sayle <roger@eyesopen.com>
4779 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4780 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4782 2006-05-30 Roger Sayle <roger@eyesopen.com>
4784 PR tree-optimization/23452
4785 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4786 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4787 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4788 complex values and with -ffast-math for FP complex values.
4790 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4792 * c-common.h: Remove the prototype for yyparse.
4793 * rtl.h: Remove the prototype for init_loop.
4795 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4797 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4800 2006-05-30 Roger Sayle <roger@eyesopen.com>
4802 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4804 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4805 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4807 2006-05-30 Dirk Mueller <dmueller@suse.de>
4810 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4811 for CONSTANT_CLASS_P expresisons.
4813 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4816 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4818 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4820 PR tree-optimization/27779
4821 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4822 initial_condition instead of CHREC_LEFT.
4824 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4826 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4827 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4828 Make prototypes ISO C90.
4830 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4831 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4833 * see.c (see_analyze_one_def): Correct check.
4834 (see_get_extension_data): Check if extension is parallel.
4835 (see_get_extension_reg): Likewise.
4837 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4840 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4841 into register for (code == GTU).
4843 2006-05-29 Roger Sayle <roger@eyesopen.com>
4845 PR tree-optimization/24964
4846 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4847 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4848 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4849 abs(x)*abs(x) as x*x for scalar floating point modes.
4851 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4854 * lambda-code.c (perfect_nestify): Don't copy statements
4855 in the inner loop: move them to the inner loop header.
4857 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4860 * c-tree.texi: Document OpenMP directives and clauses.
4862 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4864 * varasm.c (globalize_decl): Fix indentation.
4866 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4869 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4870 pass_fre, pass_store_ccp, pass_copy_prop,
4871 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4872 pass_return_slot, pass_object_size, pass_lim,
4873 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4874 pass_loop_prefetch and pass_stdarg.
4876 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4878 * config/bfin/bfin.opt (mfdpic): New option.
4879 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4880 (EXTRA_MULTILIB_PARTS): Likewise.
4881 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4882 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4884 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4885 (CRT_CALL_STATIC_FUNCTION): New.
4886 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4888 (CRT_CALL_STATIC_FUNCTION): New.
4889 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4891 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4892 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4893 (initialize_trampoline): Changed to handle FD-PIC code generation.
4894 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4895 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4896 (override_options): Disallow -mid-shared-library -mfdpic combination.
4897 Can't do unaligned ops if FD-PIC.
4898 Turn off flag_pic if trying to generate non-id-shared-library
4899 non-fdpic code, since it's not supported.
4900 (bfin_assemble_integer): New function.
4901 (TARGET_ASM_INTEGER): Define.
4902 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4904 * config/bfin/crtn.s: Restore them.
4905 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4907 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4908 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4909 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4910 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4911 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4913 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4914 FDPIC_REGS and FDPIC_FPTR_REGS.
4915 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4916 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4917 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4918 (load_funcdescsi): New pattern.
4919 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4920 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4921 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4923 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4925 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4928 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4930 * tree-flow.h: Remove the prototype for add_type_alias.
4931 * tree-ssa-alias.c (add_type_alias): Remove.
4933 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4935 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4936 config/fr30/fr30.md, config/i386/i386-interix.h,
4937 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4938 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4939 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4940 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4941 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4942 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4943 Follow spelling conventions.
4944 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4945 Follow spelling conventions.
4947 2006-05-27 Richard Guenther <rguenther@suse.de>
4950 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4951 to produce a constant of value 1 of generic type.
4953 2006-05-27 Dirk Mueller <dmueller@suse.de>
4955 * cgraphunit.c (decide_is_function_needed): Fix wrong
4958 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4960 PR rtl-optimization/27661
4961 * reload.c (find_reloads): When reloading a VOIDmode constant
4962 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4963 use Pmode as mode of the reload register.
4965 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4967 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4968 is enabled at -O and above.
4970 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4973 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4976 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4979 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4980 for anonymous variables explicitly declared by front ends.
4982 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4984 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4985 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4986 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4987 ref-all pointers, run a finalization pass for them.
4988 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4989 (finalize_ref_all_pointers): New function.
4990 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4991 regular pointer type to a ref-all pointer type.
4992 (get_tmt_for): Return the special memory tag for ref-all pointers.
4994 2006-05-25 Richard Guenther <rguenther@suse.de>
4997 * fold-const.c (fold_binary): Do not look at the stripped
4998 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5000 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5002 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5003 for LT and GT if the computed range is effectively empty.
5005 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5008 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5009 mips_quad_format formats instead of ieee_single_format,
5010 ieee_double_format and ieee_quad_format formats, respectively.
5012 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5014 PR tree-optimization/27639
5015 PR tree-optimization/26719
5016 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5017 call to scev_probably_wraps_p.
5018 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5019 used_in_pointer_arithmetic_p, convert_step): Removed.
5020 (nowrap_type_p): New function.
5021 (scev_probably_wraps_p): Rewritten.
5022 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5023 chrec_convert if chrec_convert_aggressive might have been used.
5024 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5025 scev_direction): New functions.
5026 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5027 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5028 instead of convert_step.
5029 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5030 (convert_step): Declaration removed.
5031 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5033 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5035 * df-core.c: Added to header comments.
5036 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5037 df_ur_bb_info, df_urec_bb_info): Added comments.
5038 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5039 urec, ri problems): Fixed header comments.
5040 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5041 code from df_rd_transfer_function.
5043 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5045 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5046 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5047 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5049 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5051 * expr.c (undefined_operand_subword_p): New.
5052 (emit_move_multi_word): Do not generate move from undefined bits
5053 of a paradoxical subreg.
5055 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5057 PR rtl-optimization/27736
5058 * combine.c (replaced_rhs_value): New variable.
5059 (combine_instructions): Set it.
5060 (distribute_notes): When distributing a note in replaced_rhs_insn,
5061 check whether the value was used in replaced_rhs_value.
5063 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5066 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5067 add_referenced_var instead of add_referenced_tmp_var.
5068 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5069 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5071 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5072 tree_optimize_tail_calls_1): Use add_referenced_var.
5073 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5074 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5075 Use add_referenced_var.
5076 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5077 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5078 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5079 Use add_referenced_var.
5080 * tree-dfa.c (struct walk_state): Remove.
5081 (find_referenced_vars): Remove walk state and vars_found hash table.
5082 (make_rename_temp): Use add_referenced_var.
5083 (find_vars_r): Pass less parameters to add_referenced_var.
5084 (referenced_var_p): New. Is var in referenced_var hash table.
5085 (referenced_var_insert): Assert var isn't already in hash table.
5086 (add_referenced_var): Don't need walk_state parameter. Add var if it
5087 isn't already in the hash table.
5088 (add_referenced_tmp_var): Remove.
5089 (find_new_referenced_vars_1): Use add_referenced_var.
5090 * tree-ssa-pre.c (create_expression_by_pieces,
5091 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5092 Use add_referenced_var.
5093 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5094 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5095 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5097 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5098 vect_create_data_ref_ptr, vect_create_destination_var,
5099 vect_init_vector, vect_build_loop_niters,
5100 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5101 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5102 Use add_referenced_var.
5103 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5104 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5105 (add_referenced_var): Add prototype.
5106 * tree-ssa-structalias.c (get_constraint_for,
5107 intra_create_variable_infos): Use add_referenced_var.
5109 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5111 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5112 big-endian paradoxical subregs.
5113 * var-tracking.c (struct micro_operation_def): Document that,
5114 for modify micro operations, insn is the subsequent instruction.
5115 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5116 (var_reg_set, var_mem_set): ... new functions.
5117 (add_stores): Record subsequent insn.
5118 (compute_bb_dataflow): Use new functions for MO_USE.
5119 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5120 notes after the insn, and modify notes before the insn known
5121 to be the subsequent one.
5122 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5124 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5127 * config/i386/i386.c (ix86_expand_builtin): Use
5128 gen_sse3_monitor64 for TARGET_64BIT.
5130 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5132 PR rtl-optimization/26375
5133 PR rtl-optimization/26855
5134 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5136 (df_ru_bb_local_compute): Reversed statements and removed bogus
5137 comment explaining why they should be in wrong order.
5138 (df_ru_dump, df_rd_dump): Enhanced debug info.
5139 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5141 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5142 reaching uses and fixed space problem.
5144 2006-05-23 Jan Hubicka <jh@suse.cz>
5146 * cgraphunit.c (decide_is_function_needed): Also nested functions
5147 and functions declared inline can be optimized out at -O0.
5149 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5151 * doc/install.texi (Configuration): Remove reference to CrossGCC
5155 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5158 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5159 ix86_compare_emitted is non-NULL.
5161 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5164 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5167 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5169 PR rtl-optimization/25514
5170 * combine.c (replaced_rhs_insn): New variable.
5171 (combine_instructions): Set replaced_rhs_insn when trying to replace
5172 a SET_SRC with a REG_EQUAL note.
5173 (distribute_notes): Use replaced_rhs_insn when determining the live
5174 range of a REG_DEAD register.
5176 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5177 Anatoly Sokolov <aesok@post.ru>
5179 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5180 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5181 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5182 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5183 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5184 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5185 at90usb647, at90usb1286 and at90usb1287 devices.
5186 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5187 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5189 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5191 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5193 2006-05-22 Richard Guenther <rguenther@suse.de>
5196 2006-01-31 Richard Guenther <rguenther@suse.de>
5197 Paolo Bonzini <bonzini@gnu.org>
5199 * doc/install.texi (--disable-libgcc-math): Document.
5201 2006-05-22 Richard Guenther <rguenther@suse.de>
5204 2006-01-31 Richard Guenther <rguenther@suse.de>
5206 * doc/invoke.texi (-msselibm): Document.
5207 * target.h (expand_library_builtin): New target hook.
5208 * builtins.c (expand_builtin): Use expand_library_builtin.
5209 (default_expand_library_builtin): New function.
5210 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5211 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5212 (link_gcc_math_spec): Declare.
5213 (static_specs): Add link_gcc_math_spec.
5214 * expr.h (default_expand_library_builtin): Declare.
5215 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5216 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5217 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5218 * config/i386/i386.opt (msselibm): New target option.
5219 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5220 (ix86_init_sse_abi_builtins): New function.
5221 (ix86_expand_library_builtin): Likewise.
5222 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5223 (override_options): Handle error conditions wrt -msselibm.
5224 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5225 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5226 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5229 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5232 * c-common.c (self_promoting_args_p): Skip erroneous args.
5235 * c-decl.c (finish_struct): Skip erroneous fields.
5237 2006-05-22 Nick Clifton <nickc@redhat.com>
5239 * config/cris/cris.opt (march): Remove VarExists attribute.
5240 (max-stackframe=): Likewise.
5242 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5244 * doc/rtl.texi: Fix a typo.
5245 * see.c: Fix comment typos.
5247 * tree-ssa-structalias.h (alias_info): Remove num_references.
5249 2006-05-21 Mike Stump <mrs@apple.com>
5251 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5253 (darwin_pragma_options): Use BAD instead.
5254 (darwin_pragma_unused): Likewise.
5255 (darwin_pragma_ms_struct): Likewise.
5257 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5259 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5261 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5263 PR rtl-optimization/27671
5264 * simplify-rtx.c (simplify_relational_operation_1): Fix
5265 simplifications of (eq/ne (xor x y) y) and
5266 (eq/ne (xor x y) x).
5268 PR tree-optimization/26622.
5269 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5272 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5274 * tree-cfg.c: Prune whitespace.
5275 (debug_tree_cfg): Point to correct header containing the
5278 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5281 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5283 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5286 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5287 or sorry count is non zero.
5289 2006-05-20 Andreas Schwab <schwab@suse.de>
5291 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5293 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5294 Kenneth Zadeck <zadeck@naturalbridge.com>
5296 PR rtl-optimization/26855
5298 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5300 (df_scan_alloc): Added code to properly handle multiword hard
5301 registers and add all_blocks parameter.
5302 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5303 code to properly handle multiword hard registers.
5304 (df_rescan_blocks): Added code to remove deleted blocks from
5306 (df_ref_create_structure, df_ref_record): Added code to properly
5308 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5309 and set DF_REF_PARTIAL.
5310 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5311 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5312 (df_scan_add_problem): Added flags parameter.
5313 (df_ref_create_structure): Changed switching structure.
5314 (df_bb_refs_record): Fixed case where duplicate artificial refs
5315 were created. Changed location of flags.
5316 (df_record_entry_block_defs): Added code to make stack pointer
5317 live in entry block. Refined cases where frame pointer is needed.
5318 Changed location of flags.
5319 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5320 (df_set_state): Removed function.
5321 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5322 df_insn_create_insn_record, df_insn_refs_delete,
5323 df_ref_create_structure): Formatting changes.
5324 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5325 df_delete_basic_block): New function.
5326 (df_init): Changed location of flags.
5327 (df_add_problem): Added flags parameter and the way flags are
5329 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5330 debug_df_chain): Improved debugging output.
5331 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5332 (df_refs_chain_dump): Removed df parameter.
5333 (df_iterative_dataflow): Added consistency check.
5334 (df_prune_to_subcfg): Made public.
5335 (df_analyze_problem): Added blocks_to_init parameter and made
5337 (df_ref_record, df_bb_refs_record, df_mark_reg,
5338 df_record_exit_block_uses): Whitespace changes.
5339 (df_dump): Whitespace changes.
5340 * df.h: Some reordering to remove forward references.
5341 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5342 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5343 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5344 (dataflow.flags): New field.
5345 (df.flag): Deleted field.
5346 (df_alloc_function): Added additional bitmap parameter.
5347 (df_dependent_problem_function): New type.
5348 (df_problem.changeable_flags): New field.
5349 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5350 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5351 (df_mw_hardreg): New struct.
5352 (DF_INSN_UID_MWS): New macro.
5353 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5355 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5356 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5357 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5358 (df_set_state): Removed function.
5359 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5360 * df-problems.c (df_chain_dump): Removed df parameter.
5361 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5362 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5364 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5365 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5366 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5367 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5368 DF_REF_MUST_CLOBBER cases.
5369 (df_ru_bb_local_compute_process_def,
5370 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5371 df_lr_bb_local_compute, df_ur_bb_local_compute,
5372 df_chain_create_bb): Made subreg aware.
5373 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5374 df_lr_bb_local_compute, df_lr_bb_local_compute,
5375 df_chain_create_bb): Cleanup to use proper macros.
5376 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5377 code to fixup bitvectors.
5378 (df_ri_alloc): Cleared lifetime.
5379 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5380 df_create_unused_note): New function.
5381 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5382 REG_DEAD and REG_UNUSED notes as well as register information.
5383 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5384 df_chains_dump): Fixed crash if problem was never run.
5385 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5386 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5387 df_ri_add_problem): Processes flags in uniform manner.
5388 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5389 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5390 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5391 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5392 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5393 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5394 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5395 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5396 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5397 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5398 * see.c (see_initialize_data): Ditto.
5399 * final.c (rest_of_clean_state) Added regstack_completed.
5400 * rtl.h (regstack_completed): Ditto.
5401 * reg-stack.c (regstack_completed): Ditto.
5403 2006-05-19 Mike Stump <mrs@apple.com>
5405 * c-tree.h (default_conversion): Remove.
5406 * c-common.h (default_conversion): Add.
5408 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5410 * tree-vrp.c (valid_value_p): New function.
5411 (adjust_range_with_scev): Fail if the value of bound is not
5414 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5416 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5417 (mips_fallback_frame_state): Use syscall numbers to determine
5418 the appropriate li instruction for the current ABI. Only use
5419 __NR_sigreturn for o32.
5421 2006-05-19 Nicolas Setton <setton@adacore.com>
5423 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5424 * langhooks.c (lhd_dwarf_name): New function.
5425 * langhooks-def.h (lhd_dwarf_name): Declare.
5426 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5427 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5428 * ada/misc.c (gnat_dwarf_name): New function.
5429 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5431 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5433 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5435 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5436 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5437 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5438 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5439 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5440 determine the size of Wtype, etc.
5441 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5442 (swfloatfuncs): New variable.
5443 (dwfloatfuncs): Likewise.
5444 (lib2funcs): Remove floating-point conversion functions from
5445 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5446 the set of conversion routines needed. Allow entries to specify
5447 an object name, filename and word size. Update users accordingly.
5448 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5449 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5453 2006-02-08 Roger Sayle <roger@eyesopen.com>
5456 * config/fixtfdi.c: New libgcc source file.
5457 * config/fixunstfdi.c: New source file.
5458 * config/floatditf.c: New source file.
5459 * config/floatunditf.c: New souce file.
5460 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5461 files above instead of config/mips/_tilib.c.
5462 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5464 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5466 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5467 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5469 2006-05-18 Mike Stump <mrs@apple.com>
5471 Fix up vla, vm and [*] sematics.
5477 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5478 (c_vla_unspec_p): Add.
5479 (c_vla_type_p): Add.
5480 * c-decl.c (struct c_scope): Add had_vla_unspec.
5481 (build_array_declarator): Add support for [*].
5482 (grokdeclarator): Likewise.
5483 (grokparms): Likewise.
5484 (get_parm_info): Likewise.
5485 * c-objc-common.c (c_vla_unspec_p): Likewise.
5486 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5487 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5488 typeof when argument is a variably modified type not inside sizeof or alignof.
5489 (c_parser_direct_declarator_inner): Propagate errors.
5490 (c_parser_sizeof_expression): Add support for [*].
5491 (c_parser_parms_declarator): Initialize had_vla_unspec.
5492 (c_parser_parms_list_declarator): Likewise.
5493 * c-typeck.c (c_vla_type_p): Add.
5494 (composite_type): Add support for vla compositing.
5495 (comptypes_internal): Add support for vla compatibility.
5496 (c_expr_sizeof_expr): Evaluate vla arguments.
5497 * tree.c (variably_modified_type_p): Update comment for [*].
5499 2006-05-18 Michael Matz <matz@suse.de>
5502 * config.host: Make assignments to host_xmake_file cumulative.
5503 * config.host (*-darwin*): Test $host, not $target.
5505 2006-05-12 Stuart Hastings <stuart@apple.com>
5507 * config/i386/i386.opt (-mstackrealign): New flag.
5508 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5509 (ix86_handle_cconv_attribute): Emit error when
5510 force_align_arg_pointer attribute collides with too many regparms.
5511 (ix86_function_regparm): Limit regparms when used with
5512 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5513 Support stack-realigning prologue in non-main functions. Emit
5514 warning for nested functions under -mstackrealign, emit error for
5515 nested functions with force_align_arg_pointer attribute.
5516 * doc/extend.texi (force_align_arg_pointer): Document it.
5517 * doc/invoke.texi (-mstackrealign): Document it.
5519 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5521 PR rtl-optimization/27477
5522 * combine.c (try_combine): Don't split a parallel consisting
5523 of two sets into two individual sets if both sets reference
5526 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5528 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5529 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5531 * doc/options.texi (VarExists): Updated.
5533 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5535 * unwind-dw2.c: Add declarations for uw_update_context and
5537 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5538 detected, advance frame state and context once to skip over stub.
5540 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5544 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5545 Call rewrite_into_loop_closed_ssa only when something changed.
5546 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5547 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5548 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5549 Test for perfect_nest_p here. Fix formating.
5550 (replace_uses_equiv_to_x_with_y): Fix formating.
5551 (stmt_uses_op): Removed.
5552 (can_convert_to_perfect_nest): Removed loopivs parameter.
5553 Complete the test by checking the scalar dependences.
5554 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5557 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5560 From Dan Kegel <dank@kegel.com>:
5561 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5563 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5565 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5566 if the element type is variably modified without recursing.
5568 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5571 * tree-loop-linear.c (try_interchange_loops): Test for
5572 no data dependences.
5574 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5576 PR tree-optimization/27548
5577 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5578 range of ssa names that appear on abnormal edges.
5579 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5580 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5582 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5585 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5587 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5590 * tree.h (OMP_PARALLEL_COMBINED): Define.
5591 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5592 (new_omp_context): Add is_combined_parallel argument.
5593 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5594 new_omp_context caller.
5595 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5596 Adjust gimplify_scan_omp_clauses callers.
5597 (omp_is_private): Issue errors if iteration variable is firstprivate
5598 or reduction in the current context.
5599 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5600 on combined parallel workshare constructs.
5602 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5604 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5605 (gcc-options.o): New rule.
5607 * optc-gen.awk: Protect variables for gcc-options.o with
5608 #ifdef GCC_DRIVER/#endif.
5610 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5612 Fix PR tree-optimization/27373
5613 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5614 (forward_propagate_addr_expr): Update call.
5616 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5618 * doc/options.texi: Move the Negative option.
5620 2006-05-16 Richard Guenther <rguenther@suse.de>
5622 PR tree-optimization/22303
5623 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5625 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5626 ccp_fold did not simplify the statement.
5628 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5631 * Makefile.in (GCC_OBJS): New.
5632 (OBJS-common): Add opts-common.o.
5633 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5634 (cpp$(exeext)): Likewise.
5635 (gcc.o): Also depend on opts.h.
5636 (opts-common.o): New.
5638 * common.opt (gcoff): Add Negative(gdwarf-2).
5639 (gdwarf-2): Add Negative(gstabs).
5640 (gstabs): Add Negative(gstabs+).
5641 (gstabs+): Add Negative(gvms).
5642 (gvms): Add Negative(gxcoff).
5643 (gxcoff): Add Negative(gxcoff+).
5644 (gxcoff+): Add Negative(gcoff).
5645 * config/i386/i386.opt (m32): Add Negative(m64).
5646 (m64): Add Negative(m32).
5648 * doc/options.texi: Document the Negative option.
5650 * gcc.c: Include "opts.h".
5651 (main): Call prune_options after expandargv.
5653 * optc-gen.awk: Generate common declarations for all flag
5654 variables in options.c. Output the neg_index field.
5656 * opts.c (find_opt): Moved to ...
5657 * opts-common.c: Here. New file.
5659 * opts.h (cl_option): Add a neg_index field.
5661 (prune_options): Likewise.
5663 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5666 * omp-low.c (expand_omp_parallel): Don't assert
5667 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5668 instead search for it.
5671 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5674 2006-05-16 Andreas Schwab <schwab@suse.de>
5676 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5679 2006-05-15 Roger Sayle <roger@eyesopen.com>
5682 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5683 integer constants other than zero are only legitimate on TARGET_64BIT.
5684 <CONST_VECTOR> Only zero vectors are legitimate.
5685 (ix86_cannot_force_const_mem): Integral and vector constants can
5686 always be put in the constant pool.
5688 2006-05-16 DJ Delorie <dj@redhat.com>
5690 * crtstuff.c (__dso_handle): Set section from
5691 TARGET_LBIGCC_SDATA_SECTION if defined.
5692 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5693 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5695 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5698 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5701 2006-05-16 Ben Elliston <bje@au.ibm.com>
5703 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5705 2006-05-15 Per Bothner <per@bothner.com>
5707 * tree.c: (last_annotated_node): Use source_locus typedef.
5708 This permits bootstrapping with --enable-mapped-location.
5710 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5712 PR tree-optimization/26830
5713 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5714 (info_for_ssa_name, current_info_for_ssa_name_age,
5715 blocks_to_update): New variables.
5716 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5717 (clear_ssa_name_info, initialize_flags_in_bb,
5718 mark_block_for_update): New functions.
5719 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5720 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5721 prepare_def_site_for): Use mark_block_for_update.
5722 (mark_def_interesting): Assert that the processed block is marked in
5723 blocks_to_update. Do not take blocks argument.
5724 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5726 (rewrite_update_init_block, rewrite_update_stmt): Only process
5727 blocks with statements to rewrite.
5728 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5729 (update_ssa): Initialize and free blocks_to_update. Do not
5730 clear flags on statements. Do not use blocks bitmap.
5731 * tree.h (SSA_NAME_AUX): Removed.
5732 (struct tree_ssa_name): Removed aux field.
5733 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5735 2006-05-15 Richard Guenther <rguenther@suse.de>
5737 PR tree-optimization/27603
5738 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5739 Do computations in original type.
5741 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5743 * see.c: Code style changes such as redundant paranthesis,
5744 redundant intialization of local variables etc.
5745 (see_main): Declared now as static.
5746 * doc/invoke.texi: Update that -fsee is not enabled by
5749 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5751 * omp-low.c (check_omp_nesting_restrictions): New function.
5752 (scan_omp_1): Call it.
5755 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5756 construct, return *VAR.
5758 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5760 PR rtl-optimization/27406
5761 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5764 2006-05-14 Roger Sayle <roger@eyesopen.com>
5766 PR rtl-optimization/27538
5767 * combine.c (expand_compound_operation): Call gen_lowpart
5768 before calling simplify_shift_const.
5770 2006-05-14 Roger Sayle <roger@eyesopen.com>
5772 PR rtl-optimization/22563
5773 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5774 a fixed width bitfield, always force the intermediates into psuedos.
5776 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5779 * mkconfig.sh: Use operator = instead of == for test.
5781 2006-05-13 Nick Clifton <nickc@redhat.com>
5783 * dwarf2out.c (dbx_reg_number): Check return value from
5784 LEAF_REG_REMAP and only use it if it is valid.
5785 (multiple_reg_loc_descriptor): Likewise.
5787 2006-05-13 Richard Guenther <rguenther@suse.de>
5789 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5792 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5794 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5795 information attached to non-INSNs such as NOTEs.
5796 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5798 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5800 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5802 * config/s390/s390.md: Adjust comment describing On constraint.
5804 2006-05-11 Jan Hubicka <jh@suse.cz>
5806 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5807 to be output at -O0.
5809 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5812 * fold-const.c (size_binop): Move sanity check for arguments to
5813 the beginning of the function.
5816 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5819 2006-05-11 Richard Guenther <rguenther@suse.de>
5822 * fold-const.c (fold_unary): Handle intermediate conversion
5823 to a pointer type like intermediate conversion to an integer
5824 type in folding of (T1)(T2)var to var.
5825 Match the code to the comment in the final conversion for
5826 (T1)(T2)var to (T1)var regarding to type precision. Rather
5827 than disallow T1 being of pointer type, assert that both T1
5828 and var are of pointer type or not. Make sure not to fall
5829 over the frontends lazyness wrt array to pointer decay though.
5831 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5833 * arm.c (arm_struct_value_rtx): Delete.
5834 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5835 (arm_init_cumulative_args): Always initialize nregs to zero.
5837 2006-05-10 Richard Guenther <rguenther@suse.de>
5839 PR tree-optimization/27532
5840 * tree-object-size.c (plus_expr_object_size): Fix typo.
5842 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5845 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5846 ashrdi_const, ashrdi3): Use a scratch register.
5848 2006-05-10 Richard Guenther <rguenther@suse.de>
5850 PR tree-optimization/27302
5851 * fold-const.c (operand_equal_p): For two comparisons,
5852 try comparison of one comparison code swapped if that yields
5855 2006-05-10 Ben Elliston <bje@au.ibm.com>
5857 * tree-pretty-print.c (pretty_print_string): No need to handle
5858 '\0' as a special character.
5860 * tree.h: Include "hashtab.h".
5861 (iterative_hash_expr): Use hashval_t in its prototype.
5862 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5864 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5867 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5868 (hppa*64*-*-hpux11*): Ditto.
5869 (hppa[12]*-*-hpux11*): Ditto.
5871 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5874 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5876 2006-05-09 Michael Matz <matz@suse.de>
5878 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5879 host_extra_gcc_objs and host_xmake_file.
5880 (<*-*-linux*>): Don't overwrite host_xmake_file.
5881 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5882 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5883 (host_detect_local_cpu): Declare.
5884 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5885 * config/i386/i386.c (override_options): Handle -mtune=native
5887 * config/i386/x-i386: New file.
5888 * config/i386/driver-i386.c: New file.
5889 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5892 2006-05-09 Dirk Mueller <dmueller@suse.de>
5893 Richard Guenther <rguenther@suse.de>
5896 * fold-const.c (fold_read_from_constant_string): Relax check
5897 for matching types to matching modes.
5899 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5901 PR rtl-optimization/27335
5902 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5905 2006-05-08 Chao-ying Fu <fu@mips.com>
5906 Richard Sandiford <richard@codesourcery.com>
5908 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5909 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5910 * config/mips/mips.md (UNSPEC_SCC): New constant.
5911 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5912 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5913 (mips_emit_compare): Use it.
5914 (mips_expand_vcondv2sf): New function.
5916 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5918 Fix PR tree-optimization/27093
5919 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5920 renaming when they become not-used_alone.
5922 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5924 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5925 relocation and relocation stubs.
5927 2006-05-08 Eric Christopher <echristo@apple.com>
5929 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5932 2006-05-08 Jan Hubicka <jh@suse.cz>
5935 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5936 unused static functions are needed.
5938 2006-05-08 Roger Sayle <roger@eyesopen.com>
5941 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5942 of a reg_equiv_constant if the result is a legitimate constant.
5944 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5947 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5948 standard 80387 constants, raise the cost to prevent
5949 compress_float_constant() to generate load from memory.
5951 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5953 * config/arm/constraints.md (c): Fix a typo.
5955 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5958 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5961 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5963 (_mm_mwait): Likewise.
5965 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5967 (sse3_monitor): Make it 32bit only.
5968 (sse3_monitor64): New. 64bit monitor.
5970 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5973 * config/i386/i386.c (classify_argument): Skip fields with invalid
5976 2006-05-07 Richard Guenther <rguenther@suse.de>
5978 PR tree-optimization/27409
5979 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5980 Do not try to find zero-sized subvars.
5982 2006-05-07 Richard Guenther <rguenther@suse.de>
5984 PR tree-optimization/27136
5985 * tree-ssa-loop-niter.c (get_val_for): Correct function
5986 comment, assert requirements.
5987 (loop_niter_by_eval): Stop processing if the iterated
5988 value did not simplify.
5990 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5992 * opts.c (flag_see): remove its setting at -O3.
5994 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5996 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5997 * arm/constraints.md: New file.
5998 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5999 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6000 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6001 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6002 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6003 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6004 * arm.md: Include constraints.md.
6005 (thumb_movsi_insn): Use satisfies_constraint_J.
6006 (movhi, movqi): Use satisfies_constraint_I.
6008 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6010 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6011 for atmeg a645 device.
6013 2006-05-06 Richard Guenther <rguenther@suse.de>
6015 PR tree-optimization/27151
6016 * tree-vect-transform.c (vectorizable_condition): Punt on
6017 values that have a different type than the condition.
6019 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6022 * c-parser.c (c_parser_cast_expression): Only insert casts into
6023 hash table if pointer.
6024 * function.c (used_types_insert_helper): Rename from
6026 (used_types_insert): Call used_types_insert_helper.
6027 * function.h (used_types_insert): Accept only one argument.
6029 2006-05-05 David Edelsohn <edesohn@gnu.org>
6031 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6032 scratch with output modifier.
6034 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6037 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6038 with output modifier.
6040 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6043 * config/mips/mips.c (mips_symbolic_address_p): Return true
6044 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6045 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6047 2006-05-04 Richard Guenther <rguenther@suse.de>
6049 PR tree-optimization/14287
6050 PR tree-optimization/14844
6051 PR tree-optimization/19792
6052 PR tree-optimization/21608
6053 PR tree-optimization/27090
6054 * tree-ssa-pre.c (try_combine_conversion): New function.
6055 (compute_avail): After constructing the value-handle
6056 expression, use try_combine_conversion to combine NOP_EXPRs
6057 with previous value-handle expressions and use the result if it
6060 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6062 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6064 2006-05-04 Jan Hubicka <jh@suse.cz>
6067 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6069 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6071 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6072 that this only matches CONST_INTs. All users changed to VOIDmode
6075 * config/bfin/bfin.c: Include "optabs.h".
6076 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6078 (enum bfin_builtins): Add a number of fractional and vector builtins.
6079 (bfin_init_builtins): Likewise.
6080 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6081 (safe_vector_operand, bfin_expand_binop_builtin,
6082 bfin_expand_unop_builtin): New functions.
6083 (bfin_expand_builtin): Handle the new builtins.
6084 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6087 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6090 * Makefile.in (OBJS-common): Add see.o.
6091 (see.o): Add dependencies.
6092 * common.opt (fsee): New flag for the see optimization was added.
6093 * opts.c (flag_see): Initialized.
6094 * passes.c (init_optimization_passes, pass_see): New pass.
6095 * rtl.h (see_main): Declaration as extern.
6096 * timevar.def (TV_SEE): New.
6097 * tree-pass.h (pass_see): Declaration as extern.
6098 * invoke.texi (-fsee): Document.
6099 * recog.c (validate_simplify_insn): New function.
6100 * recog.h (validate_simplify_insn): Declaration as extern.
6101 * df-problems.c (df_chain_dump): Check for NULL.
6103 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6104 Daniel Berlin <dberlin@dberlin.org>
6106 * cfgrtl.c (insert_insn_bb_end_new): New function.
6107 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6109 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6111 * df.h (struct web_entry): Moved from web.c.
6112 (union_defs): Declaration as extern.
6113 (unionfind_root): Likewise.
6114 (unionfind_union): Likewise.
6115 * web.c (struct web_entry): Moved to df.h.
6116 (unionfind_root): Remove static declaration.
6117 (unionfind_union): Likewise.
6118 (union_defs): Likewise and generalize to use callback function.
6119 (web_main): Update arguments for union_defs function call.
6121 2006-05-04 Richard Guenther <rguenther@suse.de>
6123 PR tree-optimization/26447
6124 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6125 produce SSA_NAME copies before the store stmt to avoid
6126 breaking exception handling.
6128 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6131 * gimplify.c (omp_is_private): If var is shared in some outer context,
6132 return false instead of true. Stop searching on parallel context
6135 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6138 * coverage.c: Use get_gcov_unsigned_t() instead of
6139 unsigned_type_node all over.
6141 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6143 PR tree-optimization/27381
6144 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6145 maintain the same immediate_use links.
6146 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6147 node rather than segfaulting.
6149 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6152 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6153 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6154 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6156 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6158 Fix PR tree-optimization/26626
6159 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6161 * tree-ssa-operands.c (access_can_touch_variable): Allow
6162 typecasting through union pointers.
6164 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6167 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6168 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6169 to find if var will be a global variable even in the nested context.
6170 (omp_copy_decl): Only check for global variable at the end, it might
6171 be overridden in outer contexts.
6172 (scan_sharing_clauses): For global variables don't create a field.
6173 (lower_rec_input_clauses): Do nothing for global shared variables.
6174 Emit a barrier at the end of ILIST if there were any decls in both
6175 firstprivate and lastprivate clauses.
6176 (lower_send_clauses): Do nothing for global variables except for
6179 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6181 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6182 of the correct signedness is returned.
6184 2006-05-02 Jeff Law <law@redhat.com>
6186 PR tree-optimization/27364
6187 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6188 multiply expressions.
6190 2006-05-02 Tom Tromey <tromey@redhat.com>
6192 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6194 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6197 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6198 -mthumb -fPIC are used.
6200 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6201 Joshua Kinard <kumba@gentoo.org>
6204 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6205 with 64-bit pointers.
6207 2006-05-02 Paul Brook <paul@codesourcery.com>
6209 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6211 (create_fix_barrier): Check that a suitable barrier location is
6213 (arm_reorg): Include ftmp->address in allowable range of addresses.
6215 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6218 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6221 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6224 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6225 around RESULT_DECL for result passed by reference.
6226 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6227 * omp-low.c (use_pointer_for_field): Don't look at
6228 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6229 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6230 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6231 time or var for passing by reference for
6232 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6233 TREE_ADDRESSABLE variables when passing by reference.
6235 * omp-low.c (dump_omp_region): Fix output formatting.
6238 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6239 (expand_omp_parallel): Likewise.
6240 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6243 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6244 on statement list containing also constructors and destructors.
6245 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6248 * except.c (duplicate_eh_regions): Fix clearing of
6249 cfun->eh->region_array entries.
6251 2006-05-01 DJ Delorie <dj@redhat.com>
6253 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6255 (gcc_cv_objdump): Likewise.
6256 * configure: Regenerated.
6258 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6261 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6262 templates for case 3 and 4.
6264 2006-05-01 DJ Delorie <dj@redhat.com>
6266 * vec.c: Include bconfig.h when appropriate.
6267 * Makefile.in (build/vec.o): Adjust dependencies.
6268 * mkconfig.sh: Make sure config.h isn't used for build machine
6271 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6273 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6275 (mark_phi_for_rewrite): New function.
6276 (insert_phi_nodes_for, mark_use_interesting): Call
6277 mark_phi_for_rewrite.
6278 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6279 (update_ssa): Initialize and free phis_to_rewrite.
6281 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6283 PR rtl-optimization/27291
6284 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6285 folded to a constant.
6287 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6289 PR tree-optimization/27283
6290 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6291 not whole # of iteration descriptions.
6292 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6293 uses abnormal ssa name.
6294 (niter_for_single_dom_exit): Ditto.
6295 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6296 return just the number of iterations.
6298 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6300 PR tree-optimization/27144
6301 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6302 (record_estimate): Only record constant upper bound.
6303 (infer_loop_bounds_from_undefined): Call
6304 compute_estimated_nb_iterations just once.
6305 (proved_non_wrapping_p): Renamed to ...
6306 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6307 (convert_step_widening, scev_probably_wraps_p): Call
6308 n_of_executions_at_most instead of proved_non_wrapping_p.
6309 (substitute_in_loop_info): Do not replace values in bounds.
6310 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6313 2006-05-01 Richard Henderson <rth@redhat.com>
6316 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6317 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6320 2006-05-01 Roger Sayle <roger@eyesopen.com>
6322 * c-typeck.c (parser_build_binary_op): Don't call the function
6323 unsigned_conversion_warning to spot operand/result type overflow.
6324 (build_binary_op): Instead, call convert_and_check instead of
6325 convert to report the problem when the operands are promoted.
6326 * c-common.c (unsigned_conversion_warning): Make static.
6327 * c-common.h (unsigned_conversion_warning): Delete prototype.
6329 2006-05-01 Richard Guenther <rguenther@suse.de>
6331 PR tree-optimization/26726
6332 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6334 (find_interesting_uses_address): ... we work around here
6335 by folding INDIRECT_REFs in the substituted base.
6337 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6339 * omp-low.c (dump_omp_region): Add newlines.
6341 2006-04-30 Roger Sayle <roger@eyesopen.com>
6343 * common.opt (Woverflow): New command line option.
6344 * c-common.c (constant_expression_warning): Check warn_overflow.
6345 (overflow_waring): Pass OPT_Woverflow to warning.
6346 (unsigned_conversion_warning): Likewise.
6347 (convert_and_check): Likewise.
6348 * doc/invoke.texi: Document new command line option.
6350 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6352 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6353 TARGET_NO_FP_IN_TOC for section anchors.
6354 (optimization_options): Enable section anchors for all
6355 non-"Objective" languages.
6357 2006-04-28 Eric Christopher <echristo@apple.com>
6359 * config/darwin-c.c (darwin_ms_struct): Move this
6360 (darwin_set_default_type_attributes): and this...
6361 * config/darwin.c: ... here.
6362 * config/darwin.h (darwin_ms_struct): Declare.
6364 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6366 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6368 2006-04-28 Roger Sayle <roger@eyesopen.com>
6371 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6372 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6373 an unsigned HOST_WIDE_INT.
6374 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6376 (really_start_incremental_init): No need to call convert because
6377 bitsize_zero_node is already of type bitsizetype.
6378 (push_init_level): Extract the value of constructor_index as an
6379 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6380 (process_init_element): Likewise.
6382 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6384 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6385 value before passing to make_relative_prefix.
6387 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6390 * builtins.c (expand_builtin_memset): Expand val in original mode.
6392 2006-04-27 Eric Christopher <echristo@apple.com>
6394 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6395 with #ifndef/#endif.
6396 * config/darwin-c.c (darwin_ms_struct): New.
6397 (darwin_pragma_ms_struct): Ditto.
6398 (darwin_set_default_type_attributes): Ditto.
6399 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6400 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6401 Register ms_struct pragma.
6402 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6403 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6404 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6405 darwin_set_default_type_attributes if TARGET_MACHO.
6407 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6409 PR tree-optimization/26854
6410 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6411 * doc/tree-ssa.texi: Update immuse iterator documentation.
6412 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6413 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6414 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6415 first_safe_imm_use, next_safe_imm_use): Remove.
6416 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6417 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6418 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6419 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6420 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6421 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6422 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6423 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6424 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6425 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6426 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6427 (perfect_nestify): Use new iterator.
6428 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6430 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6431 (next_imm_name): New field in struct immediate_use_iterator_d.
6432 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6433 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6434 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6435 * tree-cfg.c (replace_uses_by): Use new iterator.
6436 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6437 * tree-ssa-operands.c (correct_use_link): Remove.
6438 (finalize_ssa_use_ops): No longer call correct_use_link.
6440 2006-04-27 Stuart Hastings <stuart@apple.com>
6442 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6443 * config/t-darwin (crt3.o): Use it.
6444 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6445 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6446 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6447 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6448 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6451 2006-04-27 Roger Sayle <roger@eyesopen.com>
6453 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6454 size, force the intermediate into a new pseudo rather instead of
6455 performing both a bitwise AND and a bitwise IOR in memory.
6457 2006-04-27 Richard Guenther <rguenther@suse.de>
6459 PR rtl-optimization/26685
6460 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6461 this one "max-flow-memory-locations".
6463 2006-04-27 Richard Guenther <rguenther@suse.de>
6465 PR tree-optimization/25148
6466 * tree-vrp.c (compare_values): Remove code dealing with
6467 comparisons against type min/max value. Honour overflow
6468 and negative constants in code dealing with comparisons
6469 of plus and minus expressions.
6470 (value_inside_range): Use fold_binary with LE_EXPR and
6471 GE_EXPR rather than compare_values.
6473 2006-04-27 Dirk Mueller <dmueller@suse.de>
6475 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6478 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6480 * basic-block.h (safe_insert_insn_on_edge): Removed.
6481 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6483 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6484 Paolo Bonzini <bonzini@gnu.org>
6487 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6488 (simplify_and_const_int): Same.
6490 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6492 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6494 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6497 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6498 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6499 cgraph_global_info_ready.
6502 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6505 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6506 either decl or init is error_mark_node.
6509 * tree-flow.h (struct omp_region): Add sched_kind.
6510 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6511 instead of extracting omp for data.
6512 (expand_omp_for): Save extracted sched_kind.
6514 2006-04-25 Roger Sayle <roger@eyesopen.com>
6516 * expmed.c (store_bit_field): Also check whether the bitsize is
6517 valid for the machine's "insv" instruction before moving the
6518 target into a pseudo for use with the insv.
6519 * config/i386/predicates.md (const8_operand): New predicate.
6520 * config/i386/i386.md (extv, extzv, insv): Use the new
6521 const8_operand predicate where appropriate.
6523 2006-04-25 DJ Delorie <dj@redhat.com>
6525 * doc/install.texi (Specific): Clarify that this is not a list of
6526 supported hosts or targets.
6528 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6530 PR rtl-optimization/26725
6531 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6532 block's BB_DIRTY flag.
6534 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6536 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6539 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6540 to print an integer.
6542 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6544 * varasm.c (align_variable): New function.
6545 (get_block_for_decl): Apply align_variable to DECL before
6546 calculating section information.
6547 (assemble_variable): Split out alignment computation.
6549 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6551 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6554 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6556 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6557 MODE_PARTIAL_INT mode.
6558 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6559 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6561 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6562 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6564 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6566 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6568 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6569 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6570 MACFLAG_IH): Likewise.
6571 (movstricthi_1): Renamed from "*movstricthi".
6572 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6573 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6574 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6575 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6576 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6577 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6578 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6579 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6580 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6581 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6582 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6583 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6584 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6585 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6586 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6588 * doc/rtl.texi (ss_ashift): Improve wording.
6590 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6592 * dwarf2out.c (verify_marks_clear): New.
6593 (prune_unused_types): Call verify_marks_clear initially, not
6596 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6598 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6599 * doc/rtl.texi: Document them.
6600 * simplify-rtx.c (simplify_unary_operation,
6601 simplify_binary_operation_1): Don't abort when we see them.
6603 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6606 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6607 * configure.ac: Completely disregard languages that are not
6609 * configure: Regenerated.
6611 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6612 Richard Guenther <rguenther@suse.de>
6614 PR tree-optimization/27236
6615 * tree-inline.c (copy_body_r): Make sure to copy
6616 TREE_THIS_VOLATILE flag.
6618 2006-04-24 Richard Guenther <rguenther@suse.de>
6621 * tree-complex.c (update_parameter_components): Don't handle
6622 unused parameters which have no default def.
6624 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6625 Richard Guenther <rguenther@suse.de>
6627 PR tree-optimization/27218
6628 * tree-inline.c (expand_call_inline): Strip useless type
6629 conversions for the return slot address.
6631 2006-04-24 Richard Guenther <rguenther@suse.de>
6633 * cfgloop.h (struct loops): Remove unused field array. Reorder
6635 (LOOP_PREFETCH): Remove.
6637 2006-04-24 Richard Guenther <rguenther@suse.de>
6639 PR tree-optimization/22525
6640 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6641 variable, adjust types of generated expressions.
6643 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6645 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6646 (tree-vect-patterns.o): Likewise.
6648 (cselib.o): Likewise.
6649 (loop-doloop.o): Likewise.
6650 (regclass.o): Likewise.
6651 (reload1.o): Likewise.
6652 (explow.o): Replace target.h with $(TARGET_H).
6653 (ipa-prop.o): Likewise.
6654 (ipa-cp.o): Likewise.
6655 (ipa-inline.o): Likewise.
6656 (reorg.o): Likewise.
6657 (reg-stack.o): Likewise.
6659 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6661 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6663 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6665 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6667 * configure.ac: Completely disregard languages that are not
6669 * configure: Regenerated.
6672 * c-common.h (c_build_bitfield_integer_type): Declare.
6673 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6674 * c-common.c (c_build_bitfield_integer_type): ... here.
6676 2006-04-23 Roger Sayle <roger@eyesopen.com>
6679 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6680 a SImode SUBREG of a floating point register after no_new_pseudos.
6682 2006-04-23 Roger Sayle <roger@eyesopen.com>
6684 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6685 identify potentially eliminable registers to additionally catch
6686 VIRTUAL_INCOMING_ARGS_REGNUM.
6687 (addsi3): Update the conditions on when to use addsi_small_int.
6689 2006-04-23 Roger Sayle <roger@eyesopen.com>
6692 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6693 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6694 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6696 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6698 * fold-const.c (range_predecessor): Use operand_equal_p
6699 as the predicate for equality.
6700 (range_successor): Likewise.
6702 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6705 * config/soft-fp/op-common.h: Fix a typo.
6707 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6710 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6711 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6713 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6715 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6717 * doc/tm.texi: Fix a typo.
6719 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6721 * dwarf2out.c (struct die_struct): Document that die_sib makes
6722 a circular linked list.
6723 (FOR_EACH_CHILD): New.
6724 (reverse_die_lists): Delete.
6725 (reverse_all_dies): Delete.
6726 (add_dwarf_attr): Correct documentation.
6727 (remove_child_with_prev): New.
6728 (remove_child_TAG): Update for change to die_struct, use
6729 remove_child_with_prev.
6730 (add_child_die): Update for change to die_struct.
6731 (splice_child_die): Use remove_child_with_prev and add_child_die.
6732 (print_die): Use FOR_EACH_CHILD.
6733 (die_checksum): Likewise.
6734 (assign_symbol_names): Likewise.
6735 (output_location_lists): Likewise.
6736 (build_abbrev_table): Likewise.
6737 (calc_die_sizes): Likewise.
6738 (mark_dies): Likewise.
6739 (unmark_dies): Likewise.
6740 (unmark_all_dies): Likewise.
6741 (output_die): Likewise.
6742 (prune_unused_types_mark): Likewise.
6743 (prune_unused_types_walk): Likewise.
6744 (same_die_p): Update for change to die_struct.
6745 (break_out_includes): Likewise.
6746 (prune_unused_types_prune): Likewise.
6747 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6748 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6750 (dwarf2out_finish): Don't call reverse_all_dies.
6752 2006-04-21 Eric Christopher <echristo@apple.com>
6754 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6755 in comments and function names.
6757 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6760 * c-typeck.c (digest_init): Robustify.
6762 * c-typeck.c (pop_init_level): Simplify.
6764 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6766 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6768 2006-04-21 Paul Brook <paul@codesourcery.com>
6770 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6771 hardware floating point.
6773 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6775 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6778 2006-04-21 Nick Clifton <nickc@redhat.com>
6780 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6783 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6786 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6787 C++ lang type in traceback table for Objective-C++.
6789 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6791 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6793 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6795 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6798 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6799 were errors. Remove check for erroneous objects.
6801 2006-04-20 Jeff Law <law@redhat.com>
6803 PR tree-optimization/26854
6804 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6805 checking for zero or one use.
6806 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6807 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6808 * tree-ssa-reassoc.c (negate_value): Similarly.
6809 (reassociate_bb): Similarly.
6811 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6813 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6814 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6815 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6817 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6819 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6820 fp regs if the last fp arg doesn't fit in regs.
6822 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6825 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6826 that the last insn has the REG_INC note.
6828 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6829 Nathan Sidwell <nathan@codesourcery.com>
6832 * stor-layout.c (update_alignment_for_field): Do not align
6834 (place_union_field): Place union field at the start of the union.
6835 (place_field): Move ERROR_MARK check later, and use the current
6836 allocation position to maintain monotonicity.
6838 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6840 * dominance.c: Include timevar.h.
6841 (calculate_dominance_info): Use TV_DOMINANCE.
6842 * timevar.def (TV_DOMINANCE): New timevar.
6843 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6845 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6847 PR rtl-optimization/14261
6848 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6849 move would be an INSV insn.
6850 (noce_process_if_block): Don't optimize if the destination is a
6851 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6853 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6855 * config/s390/s390.md: Add comments with the instructions emitted
6856 by an insn pattern if macros are used.
6858 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6860 PR rtl-optimization/26026
6861 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6862 is a known power of two shifted left a variable amount.
6864 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6866 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6867 to hash table twice when the debug_str section has SECTION_MERGE.
6869 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6871 * config/soft-fp: New directory. From glibc.
6872 * config/soft-fp/t-softfp: New.
6873 * config/soft-fp/README: New.
6874 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6875 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6876 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6877 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6878 * config.gcc: Use rs6000/t-fprules-fpbit or
6879 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6881 * config/rs6000/sfp-machine.h: New. Based on glibc.
6882 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6884 * config/rs6000/t-fprules: Remove fp-bit rules.
6885 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6886 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6887 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6888 (softfp_wrap_start, softfp_wrap_end): New.
6890 2006-04-18 DJ Delorie <dj@redhat.com>
6892 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6894 2006-04-18 Devang Patel <dpatel@apple.com>
6896 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6898 2006-04-18 Nick Clifton <nickc@redhat.com>
6900 * config/sh/t-symbian: Add rule to build sh-c.o
6901 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6902 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6903 (sh_symbian_encode_section_info): Likewise.
6905 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6907 * builtins.c (expand_builtin_strcmp): Cover label definition of
6908 do_libcall with HAVE_cmpstrnsi.
6910 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6912 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6914 * function.h (temp_slot_p): New.
6915 (function): Change the type of x_used_temp_slots to
6916 VEC(temp_slot_p,gc) *.
6918 2006-04-18 Nick Clifton <nickc@redhat.com>
6920 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6921 flag_strength_reduce.
6923 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6925 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6929 Partial revert of revision 112637
6930 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6931 Dale Johannesen <dalej@apple.com>
6934 * regclass.c (struct reg_pref): Update documentation.
6935 (regclass): Set prefclass to NO_REGS if memory is the best option.
6936 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6938 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6940 PR tree-optimization/26821
6941 * tree-ssa-math-opts.c (get_constant_one): New.
6942 (insert_reciprocals): Use it.
6944 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6946 * dwarf2out.c (free_AT): Delete.
6947 (remove_AT): Update string ref counts.
6948 (remove_child_TAG): Don't call free_die.
6950 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6951 or DW_TAG_GNU_EINCL.
6952 (prune_unused_types_walk_attribs): Reset string refcounts.
6953 (prune_unused_types_update_strings): New.
6954 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6955 call free_die. Do call prune_unused_types_update_strings.
6956 (prune_unused_types): Empty debug_str_hash.
6958 2006-04-17 Roger Sayle <roger@eyesopen.com>
6960 * expr.c (expand_assignment): Optimize away no-op moves where the
6961 source and destination are equal and have no side-effects.
6963 2006-04-17 Richard Guenther <rguenther@suse.de>
6966 * reload.c (push_reload): Guard calls to get_secondary_mem
6969 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6971 * alias.c (reg_base_value, old_reg_base_value): Change the
6972 type to VEC(rtx,gc) *.
6973 (REG_BASE_VALUE, find_base_value, record_set,
6974 init_alias_analysis): Use VEC instead of VARRAY.
6976 * alias.c (alias_sets): Change the type to
6977 VEC(alias_set_entry,gc) *.
6978 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6979 VEC instead of VARRAY.
6980 (last_alias_set): Remove.
6982 * cgraph.h (cgraph_edge_p): New.
6983 Update the prototype of cgraph_function_versioning.
6984 * cgraphunit.c (cgraph_copy_node_for_versioning,
6985 cgraph_function_versioning): Use VEC instead of VARRAY.
6986 * ipa-cp.c (ipcp_insert_stage): Likewise.
6988 2006-04-16 Roger Sayle <roger@eyesopen.com>
6991 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6992 "A op B" or "A op C", we may need to convert A to the type of B and C.
6994 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6996 * target.h (struct gcc_target): Add mode_rep_extended.
6997 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6998 (init_num_sign_bit_copies_in_rep): Initialize it using
7000 (truncate_to_mode): Use it.
7001 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7002 * targhooks.h (default_mode_rep_extended): Declare it.
7003 * targhooks.c (default_mode_rep_extended): Define it.
7004 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7005 default_mode_rep_extended.
7006 (TARGET_INITIALIZER): Include it.
7007 * doc/tm.texi (Misc): Document it.
7008 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7009 (mips_truncated_to_mode): New function.
7011 2006-04-16 Roger Sayle <roger@eyesopen.com>
7014 * expr.c (compress_float_constant): Copy the narrow constant into
7015 a new pseudo before extending it to its final width.
7017 2006-04-16 Roger Sayle <roger@eyesopen.com>
7018 Andrew Pinski <pinskia@gcc.gnu.org>
7019 Dale Johannesen <dalej@apple.com>
7022 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7023 special case code to implement V8HImode and V16QImode with SSE2.
7025 2006-04-15 Roger Sayle <roger@eyesopen.com>
7027 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7028 trees are constructed with a suitable tree type.
7030 2006-04-15 Roger Sayle <roger@eyesopen.com>
7032 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7033 (integer_onep): Likewise.
7034 (integer_all_onesp): Likewise.
7035 (integer_pow2p): Likewise.
7036 (integer_nonzerop): Likewise.
7037 (real_zerop): Likewise.
7038 (real_onep): Likewise.
7039 (real_twop): Likewise.
7040 (real_minus_onep): Likewise.
7041 (int_size_in_bytes): Likewise.
7042 (host_integerp): Likewise.
7044 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7046 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7047 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7048 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7050 * tree-ssa-structalias.h (alias_info): Remove num_references.
7052 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7054 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7055 (output_bvb patterns): Likewise.
7056 * pa.c (output_bb): Use 'bb' insn for long branch case.
7057 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7058 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7059 1. Correct length operand for alternatives 1 and 2.
7060 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7061 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7063 2006-04-14 Roger Sayle <roger@eyesopen.com>
7065 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7066 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7067 were accidentally reverted by r112959.
7069 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7072 * except.h (eh_region_outermost): New prototype.
7073 * except.c (eh_region_outermost): New function.
7074 * tree-cfg.c (find_outermost_region_in_block): Use it.
7076 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7078 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7080 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7081 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7082 (init_reload, reload): Use VEC instead of VARRAY.
7083 * reload.h: Update the prototype for
7084 reg_equiv_memory_loc_varray.
7086 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7087 Eric Botcazou <ebotcazou@libertysurf.fr>
7089 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7092 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7095 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7096 to expand fallback builtin function call.
7098 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7101 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7102 and emit libcall here in case the builtin fails.
7103 (expand_builtin_strcmp): Always emit the libcall here on failure.
7105 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7107 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7108 * flow.c (reg_n_info): Change the type to
7109 VEC(reg_info_p,heap) *.
7110 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7112 * regs.h (reg_info_p): New.
7113 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7114 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7115 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7118 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7120 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7122 * params.h (MAX_SCHED_READY_INSNS): New macro.
7123 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7124 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7125 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7126 the ready list for 1 cycle during the first scheduling pass.
7127 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7129 2006-04-13 Richard Henderson <rth@redhat.com>
7132 * gimple-low.c (lower_omp_directive): Remove dead code.
7133 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7134 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7135 * omp-low.c (struct omp_region): Move to tree-flow.h.
7136 (root_omp_region): Export.
7137 (omp_regions, lookup_omp_region): Remove.
7138 (determine_parallel_type): Update for struct omp_region changes.
7139 (dump_omp_region): Dump regions with block numbers.
7140 (new_omp_region): Take type and block instead of stmt; malloc
7142 (free_omp_region_1, free_omp_regions): New.
7143 (expand_parallel_call): Take entry_stmt as argument; update for
7144 changes to omp_region.
7145 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7146 (remove_exit_barriers): New.
7147 (expand_omp_parallel): Update for struct omp_region changes.
7148 (expand_omp_synch): Likewise.
7149 (expand_omp): Likewise.
7150 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7151 (expand_omp_for_static_chunk): Likewise.
7152 (expand_omp_for): Likewise.
7153 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7154 (expand_omp_sections): Similarly, with GOMP_sections_end.
7155 (expand_omp_single): New.
7156 (build_omp_regions_1): Update for OMP_CONTINUE.
7157 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7158 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7159 OMP_SECTIONS_SECTIONS.
7160 (lower_omp_single_simple): Don't emit barrier here.
7161 (lower_omp_single_copy): Likewise.
7162 (lower_omp_single): Fix bindings, and lower to straightline now.
7163 (lower_omp_master, lower_omp_ordered): Likewise.
7164 (lower_omp_critical): Likewise.
7165 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7166 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7167 omp edges, free it afterward.
7168 (make_omp_sections_edges): Remove.
7169 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7170 (move_stmt_r): Handle OMP_CONTINUE.
7171 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7172 statement pointers to basic blocks. Add type member.
7173 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7174 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7175 * tree-inline.c (estimate_num_insns_1): Likewise.
7176 * tree-pretty-print.c (dump_generic_node): Likewise.
7177 * tree-ssa-operands.c (get_expr_operands): Likewise.
7178 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7179 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7180 (OMP_CONTINUE): New.
7181 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7182 (OMP_SECTIONS_SECTIONS): Remove.
7183 (OMP_SECTION_LAST): New.
7184 (OMP_RETURN_NOWAIT): New.
7186 2006-04-13 Roger Sayle <roger@eyesopen.com>
7188 * fold-const.c (native_encode_vector, native_interpret_real):
7189 Correct obvious mistakes in the previous check-in.
7191 2006-04-13 Roger Sayle <roger@eyesopen.com>
7193 * fold-const.c (native_encode_expr): New function to encode
7194 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7195 or VECTOR_CST into a specified buffer.
7196 (native_encode_int): New function.
7197 (native_encode_real): New function.
7198 (native_encode_complex): New function.
7199 (native_encode_vector): New function.
7200 (native_interpret_expr): Inverse of native_encode_expr to convert
7201 a target representation into an INTEGER_CST, REAL_CST etc...
7202 (native_interpret_int): New function.
7203 (native_interpret_real): New function.
7204 (native_interpret_complex): New function.
7205 (native_interpret_vector): New function.
7206 (fold_view_convert_expr): New function to constant fold/evaluate
7207 a VIEW_CONVERT_EXPR of a suitable constant expression.
7208 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7209 Change call of build1 to fold_build1 when constructing a
7212 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7213 Ulrich Weigand <uweigand@de.ibm.com>
7216 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7219 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7222 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7223 optimize to lo_sum for DFmode if !TARGET_FPRS.
7225 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7227 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7228 delete_alias_info, compute_flow_sensitive_aliasing,
7229 group_aliases): Use VEC instead of VARRAY.
7230 * tree-ssa-structalias.c (update_alias_info): Likewise.
7231 * tree-ssa-structalias.h (alias_info): Change the type of
7232 processed_ptrs to VEC(tree,heap) *.
7234 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7237 * config/sh/lib1funcs.h: New file, broken out of:
7238 * config/sh/lib1funcs.asm.
7239 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7241 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7242 * config/sh/lib1funcs-Os-4-200.asm: New file.
7243 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7244 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7245 (EXTRA_MULTILIB_PARTS): Include it.
7246 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7247 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7248 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7249 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7252 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7254 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7255 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7256 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7258 * tree-ssa-live.h: Include vecprim.h.
7259 (tree_partition_associator_d): Change the type of
7260 first_partition to VEC(int,heap) *.
7261 (tpa_first_partition): Use VEC instead of VARRAY.
7263 * Makefile.in (GTFILES): Move functions.h after tree.h.
7264 * function.c (reset_block_changes, record_block_change,
7265 check_block_change, free_block_changes): Use VEC instead of
7267 * function.h (function): Change the type of
7268 ib_boundaries_block to VEC(tree,gc) *.
7269 * tree-inline.c (copy_cfg_body): Initialize
7270 ib_boundaries_block to NULL instead of (varray_type) 0.
7272 2006-04-12 Roger Sayle <roger@eyesopen.com>
7274 * expr.c (emit_group_store): Correct operand order in call to
7275 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7276 a SUBREG_BYTE of zero.
7278 2006-04-12 Richard Guenther <rguenther@suse.de>
7280 * profile.c (compute_branch_probabilities): Remove code
7281 encapsulated in !ir_type (), which are remanents of the
7282 removed RTL profiling code.
7283 * rtl-profile.c: Remove.
7285 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7287 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7288 magic NULL_RTX comment.
7289 (function_arg): Store entire fp arg to mem if any part should go
7291 (rs6000_arg_partial_bytes): Adjust for above change.
7293 2006-04-11 Roger Sayle <roger@eyesopen.com>
7295 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7296 if it hasn't been initialized by dwarf2out_init.
7298 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7300 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7301 symbolic constants in branch patterns.
7303 2006-04-11 Roger Sayle <roger@eyesopen.com>
7305 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7307 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7309 PR rtl-optimization/27073
7310 * gcse.c (try_replace_reg): Revert last change. Continue to search
7311 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7314 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7316 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7317 aggregate types other than record and union types.
7318 (function_arg): Likewise.
7319 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7321 (function_value): In 64-bit mode, return objects that require it
7324 2006-04-11 Roger Sayle <roger@eyesopen.com>
7326 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7328 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7330 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7332 2006-04-03 Jeff Law <law@redhat.com>
7335 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7336 alias information too.
7338 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7340 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7342 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7345 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7346 (premark_used_types_helper): New.
7347 (premark_used_types): New.
7348 (gen_subprogram_die): Call premark_used_types.
7349 (prune_unused_types_walk): Do not prune perennial dies.
7350 * function.c (used_types_insert): New.
7351 * function.h (struct function): Add used_types_hash field.
7352 (used_types_insert): Add prototype.
7353 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7354 * c-parser.c (c_parser_cast_expression): Save casted types in used
7357 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7360 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7361 rs6000_explicit_options.float_gprs.
7363 2006-04-10 Roger Sayle <roger@eyesopen.com>
7365 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7366 from ix86_expand_vector_init_low_nonzero. Take an additional
7367 one_var argument indicating which element is non-zero. Support
7368 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7369 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7370 with one_var instead of ix86_expand_vector_init_low_nonzero.
7372 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7374 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7375 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7376 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7377 build/genextract.o): Depend on vecprim.h.
7378 * cfglayout.c, df-problems.c, function.c, genextract.c,
7379 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7380 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7384 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7386 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7387 Declare VECs of this type.
7388 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7389 (remove_children): Delete.
7390 (add_dwarf_attr): Use VEC routines.
7391 (add_AT_flag): Update for changes to add_dwarf_attr.
7392 (add_AT_int): Likewise.
7393 (add_AT_unsigned): Likewise.
7394 (add_AT_long_long): Likewise.
7395 (add_AT_vec): Likewise.
7396 (add_AT_string): Likewise.
7397 (add_AT_die_ref): Likewise.
7398 (add_AT_fde_ref): Likewise.
7399 (add_AT_loc): Likewise.
7400 (add_AT_loc_list): Likewise.
7401 (add_AT_addr): Likewise.
7402 (add_AT_lbl_id): Likewise.
7403 (add_AT_lineptr): Likewise.
7404 (add_AT_macptr): Likewise.
7405 (add_AT_offset): Likewise.
7406 (add_AT_range_list): Likewise.
7407 (get_AT): Use VEC_iterate.
7408 (remove_AT): Use VEC_ordered_remove.
7409 (free_die): Fold remove_children into here; have it use VEC_iterate.
7410 (print_die): Use VEC_iterate on attrs.
7411 (reverse_die_lists): Don't reverse attr lists.
7412 (die_checksum): Use VEC_iterate on attrs.
7413 (same_die_p): Likewise.
7414 (output_location_lists): Likewise.
7415 (build_abbrev_table): Likewise.
7416 (size_of_die): Likewise.
7417 (unmark_all_dies): Likewise.
7418 (output_abbrev_section): Likewise.
7419 (output_die): Likewise.
7420 (prune_unused_types_walk_attribs): Likewise.
7422 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7424 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7426 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7429 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7431 2006-04-09 Roger Sayle <roger@eyesopen.com>
7433 * expr.c (store_constructor): Don't bother clearing target if
7434 we're about to assign a vector to it using vec_init_optab.
7436 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7438 * tree-ssa-alias.c (lhs_may_store_to): New function.
7439 (recalculate_used_alone): Handle LHS of calls.
7441 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7445 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7446 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7447 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7448 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7449 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7450 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7451 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7452 stubs. Add ".align 8" directives before all ".dword" directives.
7453 (GTHREAD_USE_WEAK): Revise comment.
7454 (TARGET_ATTRIBUTE_WEAK): Define.
7455 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7456 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7457 * stublib.c: New file.
7462 * pa.md (cbranch patterns): Revise arguments used in calls to
7463 output_cbranch, output_bb and output_bvd. Add long branch length
7465 (fbranch patterns): Handle long branches.
7466 (jump): Revise length check. Revise arguments for output_lbranch call.
7467 Add long branch length attributes.
7468 (decrement_and_branch_until_zero): Add long branch length attributes.
7469 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7470 Likewise. Revise arguments for output_parallel_addb and
7471 output_parallel_movb calls.
7472 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7473 output_parallel_movb and output_parallel_addb): Update prototypes.
7474 * pa.c (output_cbranch): Revise arguments. Correct handling of
7475 nullification in long branches.
7476 (output_lbranch): Add new argument to control extraction of delay
7478 (output_bb): Handle long branches.
7479 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7480 output_parallel_addb): Likewise.
7482 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7484 PR rtl-optimization/27073
7485 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7488 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7490 * tree.h (tree_memory_tag): Add old_used_alone.
7491 (SMT_OLD_USED_ALONE): New macro.
7492 * tree-ssa-alias.c (recalculate_used_alone): Stop
7493 marking things for renaming unnecessarily.
7495 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7497 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7498 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7499 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7500 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7501 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7502 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7503 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7504 spelling convensions.
7505 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7506 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7507 typos. Follow spelling conventions.
7509 2006-04-07 DJ Delorie <dj@redhat.com>
7511 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7512 passed on the stack.
7513 (m32c_init_cumulative_args): When a function returns a structure,
7514 always pass the pointer to that return area on the stack.
7515 (m32c_function_arg_advance): Don't increment the parameter number
7516 if we're processing the returned structure pointer.
7517 (pushm_info): Reverse order of registers.
7519 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7521 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7522 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7523 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7524 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7526 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7527 chrec_fold_multiply): Same.
7528 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7529 force_expr_to_var_cost): Same.
7530 * tree-mudflap.c (mf_xform_derefs_1): Same.
7531 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7533 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7535 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7536 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7539 2006-04-07 Jan Hubicka <jh@suse.cz>
7541 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7543 2006-04-07 Richard Guenther <rguenther@suse.de>
7545 PR tree-optimization/26135
7546 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7547 loads for store copy-prop.
7548 (copy_prop_visit_stmt): Likewise.
7550 2006-04-05 Robert Millan <robertmh@gnu.org>
7552 * config/i386/linux.h: Add a comment to mark macros that are
7553 being overriden in config/k*bsd-gnu.h.
7554 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7556 * config/knetbsd-gnu.h: Ditto.
7558 2006-04-06 Jan Hubicka <jh@suse.cz>
7562 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7565 2006-04-06 Mike Stump <mrs@apple.com>
7567 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7568 for HAVE_nonlocal_goto to be consistent.
7569 (expand_builtin_nonlocal_goto): Likewise.
7570 (expand_builtin_strcmp): Use #ifdef instead of #if
7571 for HAVE_cmpstrnsi to be consistent.
7573 2006-04-05 DJ Delorie <dj@redhat.com>
7575 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7578 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7580 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7581 got-relative addressing for anything but SImode.
7583 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7584 even if the calling function doesn't modify them.
7586 2006-04-05 Richard Guenther <rguenther@suse.de>
7588 PR tree-optimization/26919
7589 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7590 to cgraph_estimate_size_after_inlining.
7592 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7594 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7596 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7598 PR tree-optimization/26996
7599 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7600 VECTOR_TYPE variables.
7602 2006-04-05 Richard Guenther <rguenther@suse.de>
7604 PR tree-optimization/26763
7605 * fold-const.c (fold_comparison): Move folding of
7606 PTR + CST CMP PTR + CST ...
7607 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7609 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7611 * doc/install.texi (Prerequisites): Refine some wording on
7612 bootstrapping and ksh.
7613 Move the version numbers of DejaGnu here from the testing section
7614 and fix casing of names.
7615 Fix markup and clarify wording for autogen requirements.
7616 Refer to GCJ instead of just java.
7617 Refer to SVN instead of CVS.
7618 Describe diffutils as useful instead of necessary.
7619 (Downloading the source): Refer to SVN instead of CVS.
7620 Adjust a link to our web site accordingly.
7621 (Configuration): Fix casing of Bison.
7622 (Building): Refer to SVN instead of CVS.
7623 Fix a sentence on the use of Bison and remove duplicate (and
7624 incorrect) version number of Bison requirement.
7625 Remove one redundant list of packages needed for building.
7626 (Specific): Avoid reference to CVS.
7628 2006-04-04 Eric Christopher <echristo@apple.com>
7630 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7631 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7632 (rs6000_handle_struct_attribute): New.
7633 (rs6000_ms_bitfield_layout_p): Ditto.
7635 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7637 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7638 NULL for dso parameter to atexit_common.
7640 2006-04-04 Eric Christopher <echristo@apple.com>
7642 * config/i386/i386.c (machopic_output_stub): Output \t
7643 between instructions and operands.
7645 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7647 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7648 satisfies_constraint_[IL] to explicit tests on value.
7650 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7652 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7653 set_nb_iterations_in_loop): Use build_int_cst instead of
7655 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7656 build_int_cst instead of convert.
7658 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7660 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7661 new value 2 for incoming.
7662 * function.c (expand_function_start): Call struct_value_rtx
7664 * config/sparc/sparc.md: Comment updated_return.
7665 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7666 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7667 struct return if sparc_std_struct_return and incoming is 2.
7668 (print_operand): Do not adjust return if
7669 sparc_std_struct_return.
7671 2006-04-04 Roger Sayle <roger@eyesopen.com>
7673 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7674 convert in the middle-end.
7675 * expr.c (store_expr, store_constructor, get_inner_reference,
7676 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7678 * tree.c (build_range_type): Likewise.
7680 2006-04-04 Tom Tromey <tromey@redhat.com>
7682 * doc/install.texi (Prerequisites): Mention jar.
7684 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7686 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7689 2006-04-04 Matthias Klose <doko@debian.org>
7691 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7695 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7698 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7700 * doc/extend.texi (Function Attributes): Rewrite visibility
7701 attribute documentation.
7702 * doc/invoke.texi (C++ Dialect Options): Rewrite
7703 -fvisibility-inlines-hidden documentation to describe something
7704 entirely different, although in practise compatible.
7705 (Code Gen Options): Warn about system headers in -fvisibility=
7708 * doc/extend.texi (Other Builtins): Document that
7709 __builtin_nan is a compile-time constant only when its argument
7712 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7714 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7715 trying to remove TRUNCATE check if all bits outside the new mode
7716 are identical to the sign bit.
7718 2006-04-03 Jeff Law <law@redhat.com>
7720 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7721 and operand scanning in some common cases.
7723 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7724 Dale Johannesen <dalej@apple.com>
7727 * regclass.c (struct reg_pref): Update documentation.
7728 (regclass): Set prefclass to NO_REGS if memory is the best option.
7729 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7730 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7731 into account. For non-registers, equate an empty preferred
7732 reload class to a `!' in the constraint; move the if clause to
7733 do so after those that reject the insn.
7734 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7736 (find_dummy_reload): Likewise.
7737 * doc/tm.texi (Register Classes): Document what it means
7738 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7739 * config/i386/i386.c (ix86_preferred_reload_class): Force
7740 using SSE registers (and return NO_REGS for floating-point
7741 constants) if math is done with SSE.
7742 (ix86_preferred_output_reload_class): New.
7743 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7744 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7745 * config/i386/i386.md: Remove # register preferences.
7747 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7750 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7751 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7752 the type of nb_iter.
7753 (instantiate_parameters_1): Convert the operands before calling
7754 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7755 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7757 2006-04-02 Roger Sayle <roger@eyesopen.com>
7759 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7760 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7762 * dojump.c (do_jump): Likewise.
7763 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7764 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7765 gimplify_boolean_expr): Likewise.
7766 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7767 * varasm.c (array_size_for_constructor): Likewise.
7768 * tree-object-size.c (compute_object_offset): Likewise.
7770 2006-04-02 Roger Sayle <roger@eyesopen.com>
7773 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7774 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7776 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7778 PR tree-optimization/26939
7779 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7781 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7783 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7784 at_stmt. Convert the type of operands before calling
7785 build_polynomial_chrec.
7786 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7788 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7789 (instantiate_parameters_1): Convert the type of operands before calling
7790 build_polynomial_chrec.
7791 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7792 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7793 reset_evolution_in_loop): Insert asserts to check the types of the
7795 (chrec_type): Moved...
7796 (eq_evolutions_p): Use operand_equal_p.
7797 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7798 the types of the operands.
7799 (chrec_type): ...here.
7800 * tree-data-ref.c (create_data_ref): Convert the operands before
7801 calling chrec_replace_initial_condition.
7802 (same_access_functions, analyze_subscript_affine_affine,
7803 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7804 (compute_subscript_distance, analyze_ziv_subscript,
7805 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7806 analyze_miv_subscript): Convert the operands before calling
7807 chrec_fold_minus or chrec_fold_plus.
7809 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7811 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7812 the dependence_relations vector.
7813 (compute_data_dependences_for_loop): Adjust call to
7814 compute_all_dependences.
7816 2006-04-01 Roger Sayle <roger@eyesopen.com>
7817 Richard Henderson <rth@redhat.com>
7819 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7820 gimple_boolify on the condition before calling gimplify_expr.
7822 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7824 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7825 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7826 the frame size. Update to use the new macros.
7827 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7828 * config/xtensa/ieee754-df.S: Likewise.
7830 2006-03-31 Richard Henderson <rth@redhat.com>
7832 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7833 (make_edges): ... here. Control fallthru creation with a local
7834 variable. Do not play with fake edges.
7835 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7836 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7839 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7841 * dwarf2.h (DW64_CIE_ID): Define.
7842 * dwarf2out.c (DWARF_CIE_ID): Define.
7843 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7844 length header. Use DWARF_CIE_ID.
7845 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7846 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7848 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7850 * config/sh/linux-atomic.asm: New file.
7851 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7853 2006-03-31 DJ Delorie <dj@redhat.com>
7855 * config/m32c/cond.md: Set condition flags properly throughout.
7856 * config/m32c/minmax.md: Likewise.
7857 * config/m32c/prologue.md: Likewise.
7858 * config/m32c/bitops.md: Likewise.
7859 * config/m32c/muldiv.md: Likewise.
7860 * config/m32c/mov.md: Likewise.
7861 * config/m32c/addsub.md: Likewise.
7862 * config/m32c/m32c.md: Likewise.
7863 * config/m32c/jump.md: Likewise.
7864 * config/m32c/shift.md: Likewise.
7866 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7867 conditionally output the pattern for this.
7868 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7869 (m32c_compare_redundant): New.
7870 (m32c_output_compare): New.
7871 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7873 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7874 dest, not src. Allow other 4-byte modes.
7876 2006-03-30 Denis Chertykov <denisc@overta.ru>
7878 * doc/md.texi: Refer to avr/constraints.md instead of
7881 2006-03-30 Roger Sayle <roger@eyesopen.com>
7883 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7884 signed vs. unsigned comparison failures on some hosts.
7886 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7889 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7890 change to FLOAT_REGS.
7892 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7893 (rs6000_override_options): Use it.
7894 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7895 only for -mabi=spe/no-spe and -mabi=altivec.
7897 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7899 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7902 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7904 * Makefile.in: Rename docdir to gcc_docdir.
7906 2006-03-30 Roger Sayle <roger@eyesopen.com>
7909 * expr.c (emit_group_store): Optimize group stores into a pseudo
7910 register by using a paradoxical subreg to initialize the destination
7911 if the first or last member of the group specifies a "low part".
7913 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7916 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7917 * target.h (struct gcc_target.speculate_insn): Change type of the
7918 second parameter to 'int'.
7919 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7920 the second operand of the DEPS_LIST.
7921 (copy_DEPS_LIST_list): Update reference to the second operand of the
7923 * rtl.h (alloc_DEPS_LIST): Update signature.
7924 * sched-int.h (ds_t): Change typedef to 'int'.
7925 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7927 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7929 * haifa-sched.c (try_ready): Change condition to restore
7930 non-speculative pattern of the instruction.
7931 (process_insn_depend_be_in_spec): Code to keep probability of the
7932 speculative dependence non-decreasing.
7934 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7936 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7937 (single_move_for_movmem): ... this. Also change all uses.
7938 (bfin_expand_strmov): Renamed to...
7939 (bfin_expand_movmem): ... this. Also change all uses.
7940 * config/bfin/bfin.md (movstrsi): Renamed to...
7941 (movstrsi): ...this.
7943 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7945 PR tree-optimization/26830
7947 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7948 (copy_prop_visit_stmt): Remove write-only variable ann.
7949 (init_copy_prop): Check variable loop depth here. Do not simulate
7950 memory-tag and virtual operand PHIs except for store copy prop.
7952 2006-03-30 Richard Guenther <rguenther@suse.de>
7954 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7955 variants with double arguments.
7957 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7959 * genpreds.c (write_tm_constrs_h): Delete variable p.
7960 * genconditions.c (write_header): Add tm-constrs.h to included
7962 * genpeep.c (main): Add toplev.h to included headers.
7963 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7964 (build/genpeep.o): Add toplev.h dependency.
7965 * config/rs6000/constraints.md: Add "W" constraint.
7967 2006-03-29 Roger Sayle <roger@eyesopen.com>
7969 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7970 sizes by correctly testing whether the size fits a host integer.
7971 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7972 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7973 SImode range for the default sizetype and bitsizetype.
7975 2006-03-29 Roger Sayle <roger@eyesopen.com>
7977 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7978 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7979 quickly if the argument is already of the correct type.
7980 Call fold_build1 instead of build1. Tidy up blank lines.
7982 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7984 * genemit.c (main): Add tm-constrs.h to included headers.
7985 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7986 * genpeep.c (main): Add tm-constrs.h to included headers.
7987 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7988 (write_tm_constrs_h): this and write complete file.
7989 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7990 (write_insn_preds_c): Add tm-constrs.h to included headers.
7991 (gen_constrs): New variable.
7992 (parse_option): Parse "-c".
7993 (main): Invoke write_tm_constrs_h.
7994 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7995 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7996 (object_out_file): Add tm-constrs.h dependency.
7997 (insn-emit.o): Same.
7998 (insn-output.o): Same.
7999 (insn-peep.o): Same.
8000 (insn-preds.o): Same.
8001 (insn-recog.o): Same.
8002 (tm-constsr.h): New target.
8003 (s-constrs-h): New target.
8005 * config/rs6000/constraints.md: New file.
8006 * config/rs6000/rs6000.c: Include tm-constrs.h.
8007 (num_insn_constant_wide): Convert to satisfies_constraint.
8008 (rs6000_rtx_costs): Convert to satisfies_constraint.
8009 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8010 (CONST_OK_FOR_LETTER_P): Delete.
8011 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8012 (EXTRA_CONSTRAINT): Delete.
8013 (EXTRA_MEMORY_CONSTRAINT): Delete.
8014 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8015 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8016 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8017 satisfies_constraint.
8019 * config/i386/i386.c: Include tm-constrs.h.
8021 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8023 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8024 * tree-data-ref.c (find_data_references_in_loop,
8025 compute_data_dependences_for_loop): Use pointers to VEC.
8026 (analyze_all_data_dependences): Adjust calls.
8027 * tree-data-ref.h (find_data_references_in_loop,
8028 compute_data_dependences_for_loop): Adjust declarations.
8029 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8030 compute_data_dependences_for_loop.
8032 2006-03-29 Paul Brook <paul@codesourcery.com>
8034 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8037 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8039 PR tree-optimization/26859
8040 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8042 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8043 for the step after fold_convert.
8045 2006-03-29 Paul Brook <paul@codesourcery.com>
8047 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8048 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8050 2006-03-29 Paul Brook <paul@codesourcery.com>
8053 * targhooks.c (default_narrow_bitfield): New fuction.
8054 * targhooks.h (default_narrow_bitfield): add prototype.
8055 * target.h (gcc_target): Add narrow_volatile_bitfield.
8056 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8057 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8058 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8059 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8061 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8063 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8065 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8066 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8067 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8068 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8069 (s390_function_arg_float): Allow SDmode and DDmode values to be
8070 passed in floating point registers.
8071 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8072 check with SCALAR_FLOAT_MODE_P.
8073 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8075 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8077 PR tree-optimization/25985
8078 * tree-ssa-loop-niter.c (number_of_iterations_le,
8079 number_of_iterations_ne): Make comments more precise.
8080 (number_of_iterations_cond): Add only_exit argument. Use the
8081 fact that signed variables do not overflow only when only_exit
8083 (loop_only_exit_p): New.
8084 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8085 number_of_iterations_cond.
8087 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8089 PR tree-optimization/26643
8090 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8093 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8095 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8096 (divsi3_i4_int): Likewise.
8098 2006-03-28 Roger Sayle <roger@eyesopen.com>
8100 * expr.c (emit_group_store): Only create a new pseudo reg if the
8101 quantity it needs to hold isn't already a suitable pseudo.
8103 2006-03-28 Jeff Law <law@redhat.com>
8105 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8106 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8108 2006-03-28 Roger Sayle <roger@eyesopen.com>
8110 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8111 the equivalent ~X & Y, and the symmetry related transformations.
8112 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8113 ~X & Y, and symmetry related transforms.
8115 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8117 Revert my 2006-03-27 patches.
8119 2006-03-28 Roger Sayle <roger@eyesopen.com>
8121 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8122 ~(T1)X, when T1 and T2 are integer types of the same precision
8123 and (T2)X isn't an extension.
8125 2006-03-28 Jeff Law <law@redhat.com>
8127 PR tree-optimization/26796
8128 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8129 need EH edge cleanups rather than purging them immediately.
8130 (eliminate_degenerate_phis): Handle queued EH cleanups.
8132 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8134 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8137 2006-03-27 Roger Sayle <roger@eyesopen.com>
8140 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8141 cast BIT_NOT_EXPR operand to the correct type.
8143 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8145 * tree-loop-linear.c: Don't include varray.h.
8146 (gather_interchange_stats, try_interchange_loops,
8147 linear_transform_loops): Use VEC instead of VARRAY.
8148 * lambda-mat.c: Don't include varray.h.
8149 * tree-chrec.c: Same.
8150 * lambda-trans.c: Same.
8151 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8152 VEC instead of VARRAY.
8153 * tree-vectorizer.h: Idem.
8154 * tree-data-ref.c (dump_data_references,
8155 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8156 initialize_data_dependence_relation, finalize_ddr_dependent,
8157 compute_all_dependences, find_data_references_in_loop,
8158 compute_data_dependences_for_loop, analyze_all_data_dependences,
8159 free_dependence_relation, free_dependence_relations,
8160 free_data_refs): Idem.
8161 * tree-data-ref.h (data_reference_p, subscript_p): New.
8162 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8163 VEC instead of VARRAY.
8164 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8165 (find_data_references_in_loop, compute_data_dependences_for_loop,
8166 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8167 dump_data_dependence_relations, free_dependence_relations,
8168 free_data_refs): Adjust declaration.
8169 (lambda_transform_legal_p): Move declaration here...
8170 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8171 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8172 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8173 vect_analyze_data_refs): Use VEC instead of VARRAY.
8174 * lambda.h (lambda_transform_legal_p): ...from here.
8175 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8176 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8177 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8178 tree-chrec.o): Don't depend on VARRAY_H.
8180 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8182 * rtl.def (Copyright): Update date.
8183 (DEPS_LIST): Change type of the second operand to 'int'.
8184 * target.h (Copyright): Update date.
8185 (struct gcc_target.speculate_insn): Change type of the second parameter
8187 * lists.c (Copyright): Update date.
8188 (alloc_DEPS_LIST): Change signature. Update reference to the second
8189 operand of the DEPS_LIST.
8190 (copy_DEPS_LIST_list): Update reference to the second operand of the
8192 * rtl.h (Copyright): Update date.
8193 (alloc_DEPS_LIST): Update signature.
8194 * sched-int.h (Copyright): Update date.
8195 (ds_t): Change typedef to 'int'.
8196 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8198 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8200 * haifa-sched.c (Copyright): Update date.
8201 (try_ready): Change condition to restore non-speculative pattern
8203 (process_insn_depend_be_in_spec): Code to keep probability of the
8204 speculative dependence non-decreasing.
8206 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8208 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8209 shut up the compiler.
8211 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8213 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8214 to use lib prefix for target.
8215 ($(T)libic_invalidate_array_4-200.a): Likewise.
8216 ($(T)libic_invalidate_array_4a.a): Likewise.
8218 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8219 J"orn Rennecke <joern.rennecke@st.com>
8221 * superh.opt: New file.
8222 * sh.c (boardtype, osruntime): Remove.
8223 * superh.h (SUBTARGET_OPTIONS): Remove.
8224 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8226 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8227 arguments with ^ and/or [].
8229 * config.gcc (sh-*-*): Add quoting to account for quirk of
8231 Replace == with = in enable_incomplete_targets test.
8233 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8234 with MASK_LITTLE_ENDIAN.
8236 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8237 * config/sh/sh.opt: Added to some comments.
8238 * config/sh/superh.h: Removed some chaff.
8240 * config/sh/sh.opt: Add m4-[1234]00* options.
8241 * config/sh/sh.c (sh_handle_option): Likewise.
8242 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8243 (ic_invalidate_array_4-100.o): New rule.
8244 ($(T)libic_invalidate_array_4-100.a): Likewise.
8245 (ic_invalidate_array_4-200.o): Likewise.
8246 ($(T)libic_invalidate_array_4-200.a): Likewise.
8247 (ic_invalidate_array_4a.o): Likewise.
8248 ($(T)libic_invalidate_array_4a.a): Likewise.
8249 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8250 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8252 * config/sh/crt1.asm: Merged in profiling code.
8253 * config/sh/superh.h (STARTFILE_SPEC): Override.
8254 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8255 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8256 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8258 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8259 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8260 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8262 * sh.opt (mpretend-cmove): New option.
8263 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8264 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8265 (movsicc): Add TARGET_PRETEND_CMOVE code.
8267 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8269 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8270 s390_class_max_nregs): New function prototypes.
8271 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8272 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8273 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8274 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8276 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8278 * dwarf2out.c (add_location_or_const_value_attribute): Call
8279 tree_add_const_value_attribute if nothing else works.
8280 (reference_to_unused): New.
8281 (rtl_for_decl_init): Use reference_to_unused to decide whether
8282 to output an initializer.
8284 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8287 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8288 peephole removing spe frob_di_df_2.
8290 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8292 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8293 (subscript_dependence_tester_1): Declared.
8294 (print_dir_vectors, print_dist_vectors): New.
8295 (debug_data_dependence_relation): New.
8296 (dump_data_dependence_relation): Print more details.
8297 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8298 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8299 (save_dist_v, save_dir_v, add_outer_distances,
8300 build_classic_dist_vector_1): New.
8301 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8302 Don't test for lambda_vector_lexico_pos.
8303 (same_access_functions, add_multivariate_self_dist,
8304 add_other_self_distances, dir_from_dist): New.
8305 (build_classic_dir_vector): Replace implementation almost identical to
8306 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8308 (subscript_dependence_tester_1): New.
8309 (subscript_dependence_tester): Handle the lexicographically negative
8310 distance vectors by recomputing the dependence relation.
8311 (compute_affine_dependence): Remove parameter loop_nest_depth.
8312 (compute_self_dependence): Don't call compute_subscript_distance.
8313 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8314 Add a parameter for the loop_nest.
8315 (find_loop_nest_1, find_loop_nest): New.
8316 (compute_data_dependences_for_loop): Compute the loop nest, and give
8317 up if the nest is not well formed.
8318 * tree-data-ref.h (loop_p): New.
8319 (struct data_dependence_relation): Replace size_vect field with
8320 loop_nest, a vec of loops.
8321 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8322 (DDR_LOOP_NEST): New.
8323 (print_dir_vectors, print_dist_vectors,
8324 debug_data_dependence_relation): Declared.
8325 (index_in_loop_nest): New.
8326 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8327 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8330 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8332 * simplify-rtx.c (simplify_relational_operation): Call
8333 simplify_relational_operation_1 even if mode is VOIDmode.
8335 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8337 PR tree-optimization/26804
8338 * tree.h (DECL_CALL_CLOBBERED): New macro.
8339 (tree_decl_common): Add call_clobbered_flag.
8340 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8341 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8342 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8343 (mark_non_addressable): Ditto.
8344 * tree-ssa.c (verify_call_clobbered): New function.
8345 (verify_alias_info): Use it.
8346 * tree-pass.h (pass_reset_cc_flags): New prototype.
8347 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8348 (reset_cc_flags): New function.
8349 * passes.c (init_optimization_passes): Call reset_cc_flags after
8350 initializing referenced_vars.
8352 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8353 Roger Sayle <roger@eyesopen.com>
8356 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8357 to 1.0 for non-real operands. Implement A / A optimization for
8360 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8362 * config/i386/i386.c (size_cost): Correct the comment for
8363 cost of storing fp registers.
8364 (i386_cost): Likewise.
8365 (i486_cost): Likewise.
8366 (pentium_cost): Likewise.
8367 (pentiumpro_cost): Likewise.
8368 (k6_cost): Likewise.
8369 (athlon_cost): Likewise.
8370 (k8_cost): Likewise.
8371 (pentium4_cost): Likewise.
8372 (nocona_cost): Likewise.
8373 (generic64_cost): Likewise.
8374 (generic32_cost): Likewise.
8376 2006-03-24 Denis Chertykov <denisc@overta.ru>
8378 * config/avr/avr-protos.h (extra_constraint): Delete.
8379 (extra_constraint_Q): New declaration.
8380 * config/avr/constraints.md: New file.
8381 * config/avr/avr.md: Include it.
8382 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8383 (TMP_REGNO, ZERO_REGNO): Likewise.
8384 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8385 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8386 (extra_constraint): Delete.
8387 (extra_constraint_Q): Test for memory constraint 'Q'.
8388 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8389 (REG_CLASS_FROM_LETTER): Delete.
8390 (CONST_OK_FOR_LETTER_P): Delete.
8391 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8392 (EXTRA_CONSTRAINT): Delete.
8393 (TMP_REGNO): Delete.
8394 (ZERO_REGNO): Delete.
8396 2006-03-24 Jeff Law <law@redhat.com>
8398 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8399 directly. Call mark_new_vars_to_rename slightly earlier.
8401 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8403 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8405 (gen_compile_unit_die): Use new language types for Objective-C and
8407 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8408 DW_LANG_C_plus_plus.
8411 * config/t-darwin (crt3.o): Work around bug 26840.
8412 * config/darwin-crt3.c: Rewrite.
8413 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8415 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8417 * doc/invoke.texi: Document -femit-class-debug-always
8418 * common.opt: Add -femit-class-debug-always.
8420 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8422 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8423 index and base register.
8424 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8425 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8426 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8427 REGNO_OK_FOR_INDEX_P.
8428 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8430 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8431 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8432 REG_OK_FOR_BASE_P): Definitions removed.
8434 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8437 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8438 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8439 set yet or weren't marked as local yet.
8441 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8443 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8446 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8448 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8449 (rs6000_legitimate_small_data_p): Delete.
8450 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8451 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8452 and make static. Add forward declaration. Update uses.
8453 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8454 of offsettable_memref_p.
8455 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8456 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8458 2006-03-24 Jeff Law <law@redhat.com>
8460 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8461 around bug in immediate-use iterator.
8463 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8466 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8467 or __LITTLE_ENDIAN__.
8469 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8471 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8472 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8473 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8474 * config/sh/sh.opt (mdiv=): Amend description.
8475 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8476 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8477 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8478 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8479 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8480 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8481 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8482 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8483 TARGET_DIVIDE_CALL_FP.
8485 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8487 * haifa-sched.c (choose_ready): Fix type of the local variable.
8488 Move local variables. Add comment.
8489 (check_reg_live): Change signature. Make callable from debugger.
8490 * sched-int.h (check_reg_live): Update signature.
8491 * sched-ebb.c (check_reg_live): Update parameters.
8492 * sched-rgn.c (check_reg_live): Ditto.
8493 (region_head_or_leaf_p): Check pointer before dereferencing.
8494 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8495 before reload on optimization levels below 1.
8497 2006-03-23 Richard Henderson <rth@redhat.com>
8499 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8503 * config/alpha/predicates.md (local_symbolic_operand): Reject
8506 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8509 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8510 expressions which have overflowed constants.
8512 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8514 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8516 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8518 * cfgloopmanip.c (create_loop_notes): Removed.
8519 * final.c (final_scan_insn): Do not handle loop notes.
8520 * jump.c (squeeze_notes): Ditto.
8521 * cfglayout.c (skip_insns_after_block,
8522 duplicate_insn_chain): Ditto.
8523 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8525 * cfgloop.h (create_loop_notes): Declaration removed.
8527 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8529 * varasm.c (output_constant_pool): Restore fnname and fndecl
8531 (assemble_start_function): Adjust call accordingly.
8532 (assemble_end_function): Likewise.
8534 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8537 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8540 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8542 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8545 * system.h (ICE_EXIT_CODE): New macro.
8546 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8547 (diagnostic_action_after_output): Likewise.
8548 * gcc.c (fatal_ice): New function.
8549 (execute): Use it instead of fatal.
8550 (fancy_abort): Likewise.
8551 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8553 2006-03-22 Jeff Law <law@redhat.com>
8555 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8556 iv_analyze_result returning false.
8558 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8560 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8562 2006-03-22 Richard Henderson <rth@redhat.com>
8565 * except.c (duplicate_eh_regions_0): New.
8566 (duplicate_eh_region_1): Duplicate the children of the node as
8567 well as the node itself. Link them up properly.
8568 (duplicate_eh_region_2): Merge into ...
8569 (duplicate_eh_regions): ... here. Take copy_region argument, and
8570 copy only a sub-tree if asked. Simplify copying and fixup.
8571 (eh_region_outer_p): New.
8572 * except.h (duplicate_eh_regions): Update decl.
8573 (eh_region_outer_p): Declare.
8574 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8575 (lower_omp_master): Likewise.
8576 (lower_omp_ordered): Likewise.
8577 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8578 (move_stmt_r): Use it to remap labels. Handle recursion vs
8579 remap_decls_p properly.
8580 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8581 (find_outermost_region_in_block): New.
8582 (new_label_mapper): New.
8583 (move_sese_region_to_fn): Copy eh information to the new function
8585 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8587 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8590 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8592 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8593 into shared libraries.
8595 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8597 * doc/md.texi: Refer to i386/constraints.md instead of
8599 * config/i386/constraints.md: New file, extracted from...
8600 * config/i386/predicates.md: ...here.
8601 * config/i386/i386.md: Include constraints.md.
8603 2006-03-21 Jason Merrill <jason@redhat.com>
8605 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8608 * expr.c (init_block_move_fn): Force default visibility.
8609 (init_block_clear_fn): Likewise.
8610 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8611 * targhooks.c (default_external_stack_protect_fail): Likewise.
8613 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8615 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8616 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8617 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8618 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8619 (loadgp): Use mips_current_loadgp_style.
8620 (loadgp_noshared): New pattern.
8621 (sibcall_internal): Use MIPS_CALL.
8622 (sibcall_value_internal): Likewise.
8623 (sibcall_value_multiple_internal): Likewise.
8624 (call_internal): Likewise.
8625 (call_value_internal): Likewise.
8626 (call_value_multiple_internal): Likewise.
8627 (call_split): Use MIPS_CALL and add an 'S' constraint.
8628 (call_value_split): Likewise.
8629 (call_value_multiple_split): Likewise.
8630 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8631 (-mshared): New option.
8632 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8633 (mips_current_loadgp_style): Declare.
8634 * config/mips/mips.c (mips_classify_symbol): Avoid using
8635 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8636 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8637 TARGET_ABSOLUTE_ABICALLS.
8638 (override_options): Adjust comments. Improve the warning that is
8639 issued when -mabicalls and -G are used together.
8640 (mips_file_start): Remove comment.
8641 (mips_current_loadgp_style): New function.
8642 (mips_gnu_local_gp): New variable.
8643 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8645 (mips_output_function_prologue): Use mips_current_laodgp_style.
8646 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8647 the cprestore instruction.
8648 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8649 live for TARGET_ABSOLUTE_ABICALLS.
8650 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8651 (ASM_SPEC): Pass down -mshared and -mno-shared.
8652 (MIPS_CALL): New macro.
8653 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8655 * doc/invoke.texi (-mabicalls): Update documentation.
8656 (-mshared): Document.
8658 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8660 * config/ia64/unwind-hpux.c: New file.
8661 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8663 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8666 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8668 2006-03-21 Jeff Law <law@redhat.com>
8670 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8671 type conversions of a VR_VARYING source to a wider type.
8673 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8675 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8676 tm_file on Solaris 10 and later.
8677 (sparc64-*-solaris2*): Likewise.
8678 (sparc-*-solaris2*): Likewise.
8679 * config/sol26.h: Rename to config/sol2-6.h.
8680 * config/sol2-10.h: New file.
8682 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8685 * tree-ssa-pre.c (create_component_ref_by_pieces):
8688 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8691 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8692 return it immediately.
8694 2006-03-21 Michael Matz <matz@suse.de>
8696 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8698 (remove_arc, add_arc): Update num_out_arcs member.
8699 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8701 (cache_presence): New function.
8702 (compare_states_for_equiv): New function.
8703 (state_is_differed): Don't take number of outargs, adjust callers.
8704 Use new invariant for speeding up.
8705 (init_equiv_class): Create initial classes based on sorted
8707 (partition_equiv_class): Don't track out_arcs_num.
8708 (evaluate_equiv_classes): Call cache_presence on all states and
8711 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8713 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8714 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8715 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8716 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8718 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8719 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8720 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8721 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8722 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8724 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8725 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8726 (REGNO_REG_CLASS): ARGP is in PREGS.
8727 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8729 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8730 to deal with those addresses.
8731 * addresses.h: New file.
8732 * caller-save.c: Include "addresses.h".
8733 (init_caller_save): Use new base_reg_class function.
8734 * rtl-factoring.c: Include "addresses.h".
8735 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8736 * recog.c: Include "addresses.h".
8737 (preprocess_constraints): Use new base_reg_class function.
8738 * regrename.c: Include "addresses.h".
8739 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8740 functions. Keep track of a new var INDEX_CODE to compute valid
8742 (replace_oldest_value_addr): Likewise.
8743 (replace_oldest_value_mem): Use base_reg_class.
8744 * reload.c: Include "addresses.h".
8745 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8746 (find_reloads): Use new base_reg_class function.
8747 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8748 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8749 all callers and prototype changed.
8750 * reload1.c: Include "addresses.h".
8751 (maybe_fix_stack_asms): Use base_reg_class.
8752 * regclass.c: Include "addresses.h".
8753 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8754 (init_reg_autoinc): Use new base_reg_class function.
8755 (record_reg_classes): Likewise.
8756 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8757 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8758 Use new args to compute necessary class.
8760 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8761 regrename.o, rtl-factoring.o): Update dependencies.
8762 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8763 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8764 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8765 REG_OK_FOR_INDEX_P): Delete documentation.
8767 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8769 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8770 from V7 to V9 for Solaris 7 and above.
8772 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8774 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8775 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8776 argument pointers may not alias any other storage.
8777 * common.opt: Define option -fargument-noalias-anything.
8778 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8779 alias semantics is specified by flag_argument_noalias > 2.
8781 2006-03-20 Jeff Law <law@redhat.com>
8783 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8784 (pass_phi_only_cprop): Declare.
8785 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8787 * tree-ssa-dom.c (degenerate_phi_result): New function.
8788 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8789 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8790 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8791 (eliminate_degenerate_phis): Likewise.
8792 (pass_phi_only_cprop): New pass descriptor.
8793 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8794 support code. Callers updated.
8795 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8796 (store_copy_prop): Likewise.
8797 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8799 2006-03-20 Jason Merrill <jason@redhat.com>
8802 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8803 (push_visibility, pop_visibility): Likewise.
8804 * c-pragma.h: Declare them.
8806 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8808 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8810 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8811 parameter and use get_ebb_head_tail.
8812 (sh_md_init_global): Adjust uses of find_regmode_weight.
8814 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8816 * function.h (struct function) <x_tail_recursion_reentry>:
8817 Rename to x_stack_check_probe_note.
8818 (tail_recursion_reentry): Rename to stack_check_probe_note.
8819 * function.c: Replace tail_recursion_reentry with
8820 stack_check_probe_note everywhere.
8821 (expand_function_start): Only emit a note for
8822 stack_check_probe_note with -fstack-protect.
8823 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8825 * emit-rtl.c (remove_unnecessary_notes): Remove.
8826 (pass_remove_unnecessary_notes): Remove.
8827 * rtl.h (remove_unnecessary_notes): Remove prototype.
8828 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8829 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8830 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8832 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8835 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8836 (valid_in_set): Handle ARRAY_REF.
8837 Change "if min_variant or VH" to asserts.
8838 (create_component_ref_by_pieces): Handle ARRAY_REF.
8839 (create_expression_by_pieces): Likewise.
8840 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8842 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8844 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8845 is operand of switch, not str[0].
8847 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8849 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8850 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8852 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8854 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8855 end of insn_extra_address_constraint declaration.
8857 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8859 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8860 (no-sum-in-toc): Same.
8861 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8863 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8864 NO_FP_IN_TOC for -fPIC instead of mask.
8866 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8867 (BOOT_LDFLAGS): Delete.
8869 * config/rs6000/t-aix52: Same.
8871 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8872 (stmsi[345678]_power): New.
8874 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8876 * config/ia64/ia64.opt: Add empty line to end of file.
8878 2006-03-17 Richard Guenther <rguenther@suse.de>
8881 * builtins.c (get_pointer_alignment): For component style references
8882 adjust alignment to the component type alignment. Make sure
8883 to adjust alignment for component access of constants.
8885 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8887 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8890 2006-03-17 Paul Brook <paul@codesourcery.com>
8892 * doc/install.texi: Docuemnt --with-mode.
8893 * config.gcc: Add --with-mode for arm*-*-*.
8894 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8896 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8898 * sh.c (max_labelno_before_reorg): New variable.
8899 (sh_reorg): Initialize it.
8900 (find_barrier): Check max_labelno_before_reorg before using
8901 label_to_alignment. Take length of explicit alignment insns
8902 into account. When seeing a UNSPECV_CONST_END, return it.
8904 * sh.c (fixup_mova): Set mode of affected label to QImode.
8905 (untangle_mova): New function.
8906 (find_barrier): Use it. Check mode of label before decrementing
8908 (sh_reorg): Likewise.
8909 Set mode of all insns back to VOIDmode.
8911 * sh.c (MOVA_LABELREF): New macro.
8912 (mova_p, fixup_mova, sh_reorg): Use it.
8913 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8914 ADDR_DIFF_VEC matches mova.
8916 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8918 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8919 with ATTRIBUTE_UNUSED.
8921 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8923 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8924 pointer, instead of assuming it is possible to derive the
8925 correct args size from a call insn.
8927 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8929 * rtl.h (CONST_INT_P): Define.
8930 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8931 instead of GET_CODE(x) == CONST_INT.
8932 (vax_rtx_costs): Likewise.
8933 (vax_output_int_move): Likewise.
8934 (vax_output_int_add): Likewise.
8935 (legitimate_constant_address_p): Likewise.
8936 (index_term_p): Likewise.
8937 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8938 * config/vax/vax.md (and<mode>3): Likewise.
8939 (ashrsi3): Likewise.
8941 (movstricthi): Likewise.
8942 (movstrictqi): Likewise.
8943 (rotrsi3): Likewise.
8944 (five unnamed insns): Likewise.
8946 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8948 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8949 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8950 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8951 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8952 Pass to ASM_OUTPUT_DWARF_OFFSET.
8953 * dwarf2out.c (debug_frame_section): New.
8954 (output_call_frame_info): Use debug_frame_section. Pass it to
8955 dw2_asm_output_offset.
8956 (output_die): Pass appropriate section to dw2_asm_output_offset.
8957 (output_compilation_unit_header): Likewise.
8958 (output_pubnames): Likewise.
8959 (output_aranges): Likewise.
8960 (enum dw_val_class): Break dw_val_class_lbl_offset into
8961 dw_val_class_lineptr and dw_val_class_macptr.
8962 (add_AT_lbl_offset): Delete.
8963 (add_AT_lineptr): New.
8964 (add_AT_macptr): New.
8965 (AT_lbl): Expect a lineptr or macptr.
8966 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8967 (attr_checksum): Likewise.
8968 (same_dw_val_p): Likewise.
8969 (size_of_die): Likewise.
8970 (value_format): Likewise.
8971 (output_die): Likewise.
8972 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8974 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8975 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8976 * config/darwin-protos.h (darwin_file_start): New.
8977 (darwin_asm_output_dwarf_offset): New.
8978 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8979 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8981 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8982 if not EH section; simplify.
8983 (darwin_file_start): New.
8984 (darwin_asm_output_dwarf_offset): New.
8985 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8987 (DEBUG_INFO_SECTION): Likewise.
8988 (DEBUG_ABBREV_SECTION): Likewise.
8989 (DEBUG_ARANGES_SECTION): Likewise.
8990 (DEBUG_MACINFO_SECTION): Likewise.
8991 (DEBUG_LINE_SECTION): Likewise.
8992 (DEBUG_LOC_SECTION): Likewise.
8993 (DEBUG_PUBNAMES_SECTION): Likewise.
8994 (DEBUG_STR_SECTION): Likewise.
8995 (DEBUG_RANGES_SECTION): Likewise.
8996 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8997 (ASM_OUTPUT_DWARF_OFFSET): New.
8999 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9001 * config.gcc (tm_defines): Always add to previous value rather
9004 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9006 * config/mips/predicates.md (splittable_const_int_operand): New,
9007 split from move_operand.
9008 (splittable_symbolic_operand): New.
9009 (move_operand): Add commentary. Use splittable_const_int_operand.
9010 Inline mips_atomic_symbolic_constant_p.
9011 * config/mips/mips.md: Add combine splitters for handling moves
9012 of splittable_const_int_operands and splittable_symbolic_operands.
9013 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9014 (mips_split_symbol): Declare.
9015 (mips_move_integer): Declare.
9016 * config/mips/mips.c (mips_split_p): Make global.
9017 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9018 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9019 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9020 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9021 (mips_offset_within_object_p): Handle block symbols.
9022 (mips_atomic_symbolic_constant_p): Delete.
9023 (mips_cannot_force_const_mem): Return false for constants that
9024 mips_legitimize_move can handle.
9025 (mips_use_blocks_for_constant_p): New function.
9026 (mips_split_symbol): Make global.
9027 (mips_move_integer): Likewise. Add a temporary register argument.
9028 (mips_legitimize_const_move): Use splittable_const_int_operand and
9029 splittable_symbolic_operand.
9030 (mips_use_anchors_for_symbol_p): New function.
9031 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9032 (mips_split_p): Declare.
9034 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9036 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9037 (mips*-*-linux*): Likewise.
9039 2006-03-16 Roger Sayle <roger@eyesopen.com>
9040 Daniel Speyer <dspeyer@wam.umd.edu>
9043 * tree-dump.c (dump_real): New function.
9044 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9045 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9046 (tree-dump.o): Add $(REAL_H) to the dependencies.
9048 2006-03-16 Roger Sayle <roger@eyesopen.com>
9051 * real.c (real_from_string): If the mantissa is zero, don't bother
9052 parsing the exponent as the result should always be zero.
9054 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9056 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9058 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9060 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9061 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9062 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9063 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9064 ia64_sched_finish_global): New static functions to implement
9065 hooks from gcc_target.sched.
9066 (spec_check_no, max_uid, pending_data_specs): New static variables.
9067 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9068 ia64_spec_check_src_p): New static functions.
9069 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9070 (TARGET_SCHED_ADJUST_COST): Removed.
9071 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9072 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9073 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9074 TARGET_SCHED_GEN_CHECK,
9075 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9076 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9077 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9078 Fixed to handle speculation checks.
9079 (rtx_needs_barrier): Fixed to handle speculative loads and
9081 (ia64_variable_issue): Added code to count speculative loads and their
9083 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9085 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9087 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9089 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9090 (ia64_reorg): Reset stops_p to NULL after it is freed.
9091 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9092 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9093 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9095 (data_speculative, control_speculative, check_load): New attributes.
9096 (mov<mode>_advanced, mov<mode>_speculative,
9097 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9098 zero_extend<mode>di2_speculative,
9099 zero_extend<mode>di2_speculative_advanced): New patterns for
9100 data and control speculative loads.
9101 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9103 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9104 New pattern for data and control speculation checks.
9105 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9106 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9107 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9108 Auxiliary definitions for the patterns.
9109 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9110 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9112 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9114 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9115 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9116 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9117 New resource constraints.
9118 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9120 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9121 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9122 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9123 msched-in-control-spec, msched-ldc, msched-control-ldc,
9124 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9125 msched-prefer-non-control-spec-insns,
9126 msched-count-spec-in-critical-path): New flags to tune speculative
9128 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9129 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9130 msched-in-control-spec, msched-ldc, msched-control-ldc,
9131 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9132 msched-prefer-non-control-spec-insns,
9133 msched-count-spec-in-critical-path): Document new flags.
9135 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9137 * target.h (struct spec_info_def): New opaque declaration.
9138 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9139 speculate_insn, needs_block_p, gen_check,
9140 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9141 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9142 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9143 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9144 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9145 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9147 (TARGET_SCHED): Use new macros.
9148 * rtl.h (copy_DEPS_LIST_list): New prototype.
9149 * sched-int.h (struct sched_info): Change signature of new_ready field,
9150 adjust all initializations. New fields: add_remove_insn,
9151 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9152 region_head_or_leaf_p.
9153 (struct spec_info_def): New structure declaration.
9154 (spec_info_t): New typedef.
9155 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9156 recovery_block, orig_pat.
9157 (glat_start, glat_end): New variables declaraions.
9158 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9160 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9161 DETACH_LIFE_INFO, USE_GLAT.
9162 (enum SPEC_SCHED_FLAGS): New enumeration.
9163 (NOTE_NOTE_BB_P): New macro.
9164 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9165 attach_life_info, debug_spec_status, check_reg_live): New functions.
9166 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9167 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9169 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9170 * ddg.c (get_block_head_tail): Adjust all uses.
9171 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9172 (sms_sched_info): Initialize new fields.
9173 (contributes_to_priority): Removed.
9174 * haifa-sched.c (params.h): New include.
9175 (get_block_head_tail): Adjust all uses.
9176 (ISSUE_POINTS): New macro.
9177 (glat_start, glat_end): New global variables.
9178 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9179 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9180 old_last_basic_block, before_recovery, current_sched_info_var,
9181 rgn_n_insns, luid): New static variables.
9182 (insn_cost1): New function. Move logic from insn_cost to here.
9183 (find_insn_reg_weight1): New function. Move logic from
9184 find_insn_reg_weight to here.
9185 (reemit_notes, move_insn, max_issue): Change signature.
9186 (move_insn1): Removed.
9187 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9188 extend_bb): New static functions to support extension of scheduler's
9190 (generate_recovery_code, process_insn_depend_be_in_spec,
9191 begin_speculative_block, add_to_speculative_block,
9192 init_before_recovery, create_recovery_block, create_check_block_twin,
9193 fix_recovery_deps): New static functions to support
9194 generation of recovery code.
9195 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9196 restore_bb_notes, move_block_after_check, move_succs): New static
9197 functions to support ebb scheduling.
9198 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9199 functions to support handling of register live information.
9200 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9201 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9202 add_jump_dependencies): New static functions.
9203 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9204 consistancy checking.
9205 (debug_spec_status): New function to call from debugger.
9206 (priority): Added code to handle speculation checks.
9207 (rank_for_schedule): Added code to distinguish speculative instructions.
9208 (schedule_insn): Added code to handle speculation checks.
9209 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9210 Fixed to handle ebbs.
9211 (move_insn): Added code to handle ebb scheduling.
9212 (max_issue): Added code to use ISSUE_POINTS of instructions.
9213 (choose_ready): Added code to choose between speculative and
9214 non-speculative instructions.
9215 (schedule_block): Added code to handle ebb scheduling and scheduling of
9216 speculative instructions.
9217 (sched_init): Initialize new variables.
9218 (sched_finish): Free new variables. Print statistics.
9219 (try_ready): Added code to handle speculative instructions.
9220 * lists.c (copy_DEPS_LIST_list): New function.
9221 * sched-deps.c (extend_dependency_caches): New function. Move logic
9222 from create_dependency_caches to here.
9223 (get_dep_weak, ds_merge): Make global.
9224 * genattr.c (main): Code to output prototype for
9225 dfa_clear_single_insn_cache.
9226 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9227 (output_dfa_clean_insn_cache_func): Code to output
9228 dfa_clear_single_insn_cache function.
9229 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9231 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9233 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9234 New static variables.
9235 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9236 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9238 (ebb_sched_info): Initialize new fields.
9239 (get_block_head_tail): Adjust all uses.
9240 (compute_jump_reg_dependencies): Fixed to use glat_start.
9241 (schedule_ebb): Code to remove unreachable last block.
9242 (schedule_ebbs): Added code to update register live information.
9243 * sched-rgn.c (region_sched_info): Initialize new fields.
9244 (get_block_head_tail): Adjust all uses.
9245 (last_was_jump): Removed. Adjust users.
9246 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9247 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9248 Implement new hooks.
9249 (check_dead_notes1): New static function.
9250 (struct region): New fields: dont_calc_deps, has_real_ebb.
9251 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9252 (BB_TO_BLOCK): Fixed to handle EBBs.
9253 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9254 (ebb_head): New static variable.
9255 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9256 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9258 (compute_dom_prob_ps): New assertion.
9259 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9260 global_live_at_start.
9261 (init_ready_list): New assertions.
9262 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9263 (new_ready): Add support for BEGIN_CONTROL speculation.
9264 (schedule_insns): Fixed code that updates register live information
9266 (schedule_region): Fixed to handle EBBs.
9267 (init_regions): Use extend_regions and check_dead_notes1.
9268 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9269 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9270 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9271 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9272 TARGET_SCHED_GEN_CHECK,
9273 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9274 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9275 * doc/invoke.texi (max-sched-insn-conflict-delay,
9276 sched-spec-prob-cutoff): Document.
9278 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9280 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9281 inter_tick, queue_index.
9282 (struct sched_info): Change signature of init_ready_list field.
9283 Adjust all initializations.
9284 (RESOLVED_DEPS): New access macro.
9285 (ready_add): Remove prototype.
9286 (try_ready): Add prototype.
9287 * sched-rgn.c (init_ready_list): Use try_ready.
9288 (schedule_region): Initialize
9289 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9290 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9291 (init_ready_list): Use try_ready.
9292 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9293 * lists.c (remove_list_elem): Remove `static'.
9294 (remove_free_INSN_LIST_elem): New function.
9295 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9296 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9297 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9299 (readyp): New variable.
9300 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9301 change_queue_index, resolve_dep): New static functions.
9302 (try_ready): New function. Adjust callers in sched-rgn.c and
9303 sched-ebb.c to use it instead of ready_add.
9304 (clock_var): Move at the begining of file.
9305 (rank_for_schedule): Fix typo.
9306 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9307 (ready_lastpos): Enforce assertion.
9308 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9310 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9311 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9312 (queue_to_ready): Use free_INSN_LIST_list.
9313 (early_queue_to_ready): Fix typo.
9314 (schedule_block): Init readyp. Move init_ready_list call after the
9315 initialization of clock_var. Fix error in rejecting insn by
9316 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9317 that previously corrected INSN_TICKs. Add code for handling
9319 (set_priorities): Fix typo.
9320 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9321 Clarify comment and code that keeps current_sched_info->next_tail
9324 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9326 * sched-rgn.c (extend_rgns): New static function.
9327 (find_rgns): Use it.
9328 (gather_region_statistics, print_region_statistics): New static
9330 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9331 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9333 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9334 Andrey Belevantsev <abel@ispras.ru>
9336 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9337 * lists.c (unused_deps_list): New variable.
9338 (free_list): Add assertions to verify the proper distinguishing
9339 between INSN_LISTs and DEPS_LISTs.
9340 (find_list_elem, remove_list_elem, remove_list_node): New static
9342 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9343 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9344 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9345 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9347 (free_INSN_LIST_node): Likewise.
9348 * modulo-sched.c (current_sched_info): Initialize flags field.
9349 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9350 * rtl.def (DEPS_LIST): Define.
9351 * rtl.h: Declare new functions from lists.c.
9352 * sched-deps.c (spec_dependency_cache): New static variable.
9353 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9354 (add_dependence): Change return type to void. Move the logic to ...
9355 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9356 (delete_all_dependences): Add comment about forward_dependency_cache.
9357 Handle spec_dependency_cache. Handle DEPS_LISTs.
9358 (fixup_sched_groups): Clarify the change of priority of output
9359 and anti dependencies.
9360 (sched_analyze_2): Adjust add_dependence calls to create data
9361 speculative dependence.
9362 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9363 Adjust all callers. Handle DEPS_LISTS.
9364 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9365 presence of speculation.
9366 (init_dependency_caches, free_dependency_caches):
9367 Handle spec_dependency_cache.
9368 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9369 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9370 New static functions.
9371 (add_or_update_back_dep, add_or_update_back_forw_dep,
9372 add_back_forw_dep, delete_back_forw_dep): New functions.
9373 * sched-int.h (ds_t, dw_t): New typedefs.
9374 (struct sched_info): Add new field flags.
9375 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9376 Prototype new sched-deps.c functions.
9377 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9378 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9379 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9380 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9381 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9382 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9384 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9386 * sched-rgn.c (current_sched_info): Initialize flags field.
9387 (schedule_insns): Initialize current_sched_info before the sched_init
9389 * sched-ebb.c (current_sched_info): Initialize flags field.
9390 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9391 Call add_or_update_back_dep instead of add_dependence.
9392 Create control speculative dependencies.
9393 (schedule_insns): Initialize current_sched_info before the sched_init
9396 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9398 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9400 (sh_fallback_frame_state): Likewise.
9402 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9404 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9405 Do switch on default_use_cxa_atexit.
9406 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9407 * config/darwin-crt3.o: New.
9408 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9409 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9410 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9412 * config/rs6000/t-darwin: Move crt2.o building to here.
9413 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9414 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9417 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9419 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9420 from '! xxx' to '!xxx' for coding-style conformance.
9421 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9422 (EXTRA_CONSTRAINT): Likewise.
9423 * config/vax/vax.md (four unnamed insns): Likewise.
9425 2006-03-15 Paul Brook <paul@codesourcery.com>
9427 * config/arm/arm.c (minipool_pad): New.
9428 (add_minipool_forward_ref): Include pool alignment padding in address
9430 (push_minipool_fix): Set minipool_pad.
9431 (minipool_pad): Ditto.
9433 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9435 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9436 instead of GET_CODE() == MEM and REG_P() instead of
9438 (print_operand_address): Likewise.
9439 (vax_address_cost): Likewise.
9440 (vax_rtx_costs): Likewise.
9441 (vax_notice_update_cc): Likewise.
9442 (vax_output_int_add): Likewise.
9443 (INDEX_REGISTER_P): Likewise.
9444 (BASE_REGISTER_P): Likewise.
9445 (nonindexed_address_p): Likewise.
9446 (vax_mode_dependent_address_p): Likewise.
9447 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9448 (PRINT_OPERAND): Likewise.
9449 * config/vax/vax.md (ashlsi3): Likewise.
9450 (ashlsi3): Likewise.
9451 (some more unnamed insns): Likewise.
9453 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9455 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9456 iterator-style macro.
9457 (mark_control_dependent_edges_necessary): Update the use of
9458 EXECUTE_IF_CONTROL_DEPENDENT.
9460 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9462 * config/sh/predicates.md (cache_address_operand): Special.
9463 (ua_address_operand): Likewise.
9465 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9467 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9469 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9471 2006-03-15 Andreas Schwab <schwab@suse.de>
9473 * gensupport.c (identify_predicable_attribute): Don't free p_false
9474 when it is still in use.
9476 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9478 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9479 the default setting here.
9481 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9483 * tree-pass.h (pass_cfg): Remove.
9484 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9485 * passes.c (pass_cfg): Don't run it.
9487 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9489 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9490 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9492 (stack_regs_mentioned): Update the uses of
9493 stack_regs_mentioned_data. Don't access the array beyond its
9495 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9496 Don't include gt-reg-stack.h.
9498 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9499 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9501 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9504 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9507 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9509 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9511 2006-03-14 Richard Guenther <rguenther@suse.de>
9513 PR tree-optimization/26672
9514 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9517 2006-03-14 Richard Guenther <rguenther@suse.de>
9519 PR tree-optimization/26667
9520 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9521 node for the callees. Always allow inlining if it will shrink
9524 2006-03-14 Richard Guenther <rguenther@suse.de>
9527 * builtins.c (get_pointer_alignment): Prefer alignment
9528 information from decls over that from types.
9530 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9533 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9535 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9537 * config/rs6000/rs6000.opt (mdlmzb): New option.
9538 (msched-prolog, msched-epilog): Use Var not Mask.
9539 * doc/invoke.texi (-mdlmzb): Document.
9540 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9542 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9543 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9545 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9547 PR rtl-optimization/25739
9548 * bt-load.c (augment_live_range): Free tos pointer.
9550 * gensupport.c (identify_predicable_attribute): Free
9552 * gcov.c (create_file_names): Free name pointer.
9554 2006-03-13 Roger Sayle <roger@eyesopen.com>
9557 * stmt.c (emit_case_nodes): Handle the case where the index is a
9558 CONST_INT, where the comparison mode is specified by the index type.
9560 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9562 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9565 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9567 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9568 (*branch_fp_inverted): Likewise.
9570 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9573 * omp-low.c (expand_omp_for_generic): Mark istart0
9574 and iend0 as addressable.
9576 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9578 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9580 2006-03-13 Jeff Law <law@redhat.com>
9582 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9583 virtual operands are interesting.
9584 (vrp_visit_stmt): Corresponding changes.
9586 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9588 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9590 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9591 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9592 * config/bfin/crti.S: Use it instead of __PIC__.
9593 * config/bfin/crtn.S: Likewise.
9595 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9596 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9598 Lose 'G' modifier for call operand.
9599 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9600 recognize 'G' modifier.
9602 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9605 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9606 * stmt.c (expand_case): Likewise.
9608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9610 PR rtl-optimization/26254
9611 * loop-invariant.c (seq_insns_valid_p): New function.
9612 (move_invariant_reg): Only emit new code if it is valid.
9614 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9616 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9618 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9619 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9620 (commit_one_edge_insertion): Do not look for loop notes.
9622 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9624 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9625 flag_test_coverage out of loop.
9627 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9629 * final.c (shorten_branches): Remove outdated comment, and turn
9630 the if branch that guards it to continue.
9632 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9634 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9635 * cfgloop.h (struct loop): Remove unused fields.
9637 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9639 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9640 (-dL, -fdump-rtl-loop2): Update the dump file names
9642 * doc/invoke.texi: Update dump file names.
9644 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9646 * predict.c (estimate_probability): Remove.
9647 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9648 * basic-block.h (estimate_probability): Remove prototype.
9649 * passes.c (finish_optimization_passes): Dump branch prediction or
9650 profiling heuristics to the .profile tree dump.
9651 (init_optimization_passes): Unqueue pass_branch_prob.
9653 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9655 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9657 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9658 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9660 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9662 * function.h (frame_offset_overflow): Declare.
9663 * function.c (frame_offset_overflow): New function.
9664 (assign_stack_local_1): Call it to detect that the offset overflows.
9665 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9667 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9669 * config/sh/sh.c: Include alloc-pool.h.
9670 (label_ref_list_pool): New alloc pool.
9671 (label_ref_list_t): New type for lists of labels.
9672 (struct pool_node): Make wend a label_ref_list_t.
9673 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9675 (dump_table): Likewise.
9676 (sh_reorg): Set up the alloc pool before using add_constant and
9677 dump_table, and destroy it when finishing.
9679 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9681 * config/mips/mips.c: Remove redundant comment.
9683 2006-03-10 Jason Merrill <jason@redhat.com>
9686 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9687 the target was declared 'register'.
9689 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9691 * genpreds.c (write_insn_constraint_len): Change definition of
9692 insn_constraint_len to return size_t to match the declaration.
9694 2006-03-10 DJ Delorie <dj@redhat.com>
9696 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9698 (m32c_expand_insv): Fix test for an AND mask.
9700 2006-03-10 Richard Guenther <rguenther@suse.de>
9703 * builtins.c (get_pointer_alignment): Handle component
9704 references for field alignment.
9706 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9708 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9709 when building with libgloss.
9710 (sh*elf): Implement --without-fp option.
9711 (sh64-superh-linux*): Don't multilib.
9713 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9715 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9717 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9719 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9720 Set it when one of the replacement functions returned true.
9721 Return TODO_cleanup_cfg if cfgchanged is true.
9722 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9724 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9726 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9727 instead of gen_lowpart.
9729 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9731 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9733 (mips_output_order_conditional_branch): Declare.
9734 * config/mips/mips.h (MIPS_BRANCH): New macro.
9735 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9736 for the comparison. Use gen_condjump.
9737 (mips_output_conditional_branch): Rework interface to take the
9738 asm templates for a direct branch and the inverse of a direct branch.
9739 (mips_output_order_conditional_branch): New function.
9740 (mips_builtin_branch_and_move): New function.
9741 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9742 branch condition. Use gen_single_cc as the condition for
9743 __builtin_mips_upper_* or __builtin_mips_lower_*.
9744 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9745 Use VOIDmode for the branch condition.
9746 * config/mips/predicates.md (order_operator): New predicate.
9747 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9748 (branch_fp): Rename to...
9749 (*branch_fp): ...this. Remove mode from comparison operator.
9750 Use new mips_output_conditional_branch interface.
9751 (branch_fp_inverted): Rename to...
9752 (*branch_fp_inverted): ...this and update as for *branch_fp.
9753 (*branch_zero<mode>): Rename to...
9754 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9755 Use mips_output_order_conditional_branch. Only accept ordered
9757 (*branch_zero<mode>_inverted): Rename to...
9758 (*branch_order<mode>_inverted): ...this and update as for
9759 *branch_order<mode>.
9760 (*branch_equality<mode>): Accept zero as the second operand to
9761 the equality operator. Use the new mips_output_conditional_branch
9763 (*branch_equality<mode>_inverted): Likewise.
9764 (condjump): New expander.
9765 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9767 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9768 (bc1any2t, bc1any2f): Likewise.
9769 (single_cc): New expander.
9770 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9772 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9774 * doc/md.texi: Update documentation of MIPS constraints.
9775 * config/mips/constraints.md: New file.
9776 * config/mips/mips.md: Include it.
9777 * config/mips/mips.c (mips_char_to_class): Delete.
9778 (override_options): Don't initialize mips_char_to_class.
9779 * config/mips/mips.h (mips_char_to_class): Delete.
9780 (REG_CLASS_FROM_LETTER): Delete.
9781 (CONST_OK_FOR_LETTER_P): Delete.
9782 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9783 (EXTRA_CONSTRAINT_Y): Delete.
9784 (EXTRA_CONSTRAINT_STR): Delete.
9785 (CONSTRAINT_LEN): Delete.
9786 (EXTRA_MEMORY_CONSTRAINT): Delete.
9788 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9790 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9791 original fn's eh regions.
9793 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9795 * fold-const.c (build_range_check): Make sure to use a valid type to
9796 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9799 (range_predecessor): New static function.
9800 (range_successor): Likewise.
9801 (merge_ranges): Use them to compute predecessors and successors of
9804 2006-03-09 Roger Sayle <roger@eyesopen.com>
9807 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9808 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9810 2006-03-08 DJ Delorie <dj@redhat.com>
9812 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9813 (addpsi3): Expand to include memory operands. Remove
9814 reload-specific splits.
9815 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9816 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9817 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9818 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9819 (shift1_qi, shift1_hi, insv): New.
9820 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9821 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9822 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9824 * config/m32c/m32c-protos.h: Update as needed.
9825 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9826 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9827 Fail for unrecognized R* constraints.
9828 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9829 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9830 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9832 (m32c_init_libfuncs): New.
9833 (m32c_legitimate_address_p): Add debug wrapper.
9834 (m32c_rtx_costs): New.
9835 (m32c_address_cost): New.
9836 (conversions): Add 'B' prefix.
9837 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9838 operands, or word regnames for QI operands. 'B' prints bit
9840 (m32c_expand_setmemhi): New.
9841 (m32c_expand_movmemhi): New.
9842 (m32c_expand_movstr): New.
9843 (m32c_expand_cmpstr): New.
9844 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9845 (m32c_expand_neg_mulpsi3): Handle non-ints.
9846 (m32c_cmp_flg_0): New.
9847 (m32c_expand_movcc): New.
9848 (m32c_expand_insv): New.
9849 (m32c_scc_pattern): New.
9850 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9851 a0/a1 out of SIregs.
9852 (STORE_FLAG_VALUE): New.
9853 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9856 * config/m32c/mov.md: Make constraints more liberal.
9857 (zero_extendqihi2): Optimize r0/r1 case.
9858 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9859 * config/m32c/predicates.md (m32c_any_operand): New.
9860 (m32c_nonimmediate_operand): New.
9861 (m32c_hl_operand): New.
9862 (m32c_r3_operand): New.
9865 (memsym_operand): New.
9866 (memimmed_operand): New.
9867 (a_qi_operand): New.
9868 (m32c_eqne_operator): New.
9869 (m32c_1bit8_operand): New.
9870 (m32c_1bit16_operand): New.
9871 (m32c_1mask8_operand): New.
9872 (m32c_1mask16_operand): New.
9873 * config/m32c/blkmov.md: New file.
9874 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9876 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9878 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9879 unsigned to fix signed/unsigned comparison issue in
9880 DWARF2_FRAME_REG_OUT.
9881 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9882 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9884 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9885 of ptr into the ENABLE_CHECKING section.
9887 2006-03-08 Jeff Law <law@redhat.com>
9889 * tree-vrp.c (infer_value_range): Only count pointer uses
9890 and dereferences if -fdelete-null-pointer-checks is enabled.
9892 * tree-vrp.c (find_assert_locations): Infer value ranges for
9893 single use pointers, but do not create ASSERT_EXPRs for them.
9894 When a non-null range is inferred for a pointer, backwards
9895 propagate that range to other equivalent pointers through the
9898 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9901 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9902 language hook targets.
9903 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9904 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9905 if language hook targets were missing.
9907 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9909 * tree-ssa-opfinalize.h: Removed.
9910 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9912 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9913 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9914 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9915 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9916 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9917 finalize_ssa_v_must_def_ops): New.
9919 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9921 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9924 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9926 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9928 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9929 addresses with offsets; reorganize.
9931 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9932 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9933 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9935 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9938 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9940 2006-03-08 Ben Elliston <bje@au.ibm.com>
9942 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9944 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9947 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9950 2006-03-07 Richard Guenther <rguenther@suse.de>
9952 PR tree-optimization/26587
9953 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9955 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9957 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9959 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9961 * hooks.c (hook_bool_mode_rtx_true): New function.
9962 * hooks.h (hook_bool_mode_rtx_true): Declare.
9963 * toplev.c (compile_file): Call output_shared_constant_pool.
9964 * varasm.c (shared_constant_pool): New variable.
9965 (assemble_start_function, assemble_end_function): Remove arguments
9966 from call to output_constant_pool.
9967 (create_constant_pool): New function, split out from...
9968 (init_varasm_status): ...here.
9969 (force_const_mem): Choose between the shared and per-function constant
9970 pools. Set current_function_uses_const_pool when reusing old entries
9971 as well as when creating new ones.
9972 (mark_constant): Ignore data argument.
9973 (mark_constants): Remove pool argument.
9974 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9975 to decide whether the function uses a constant pool.
9976 (output_constant_pool_contents): New function, split out from...
9977 (output_constant_pool): ...here.
9978 (output_shared_constant_pool): New function.
9979 (init_varasm_once): Initialize shared_constant_pool.
9980 * output.h (output_constant_pool): Delete.
9981 (output_shared_constant_pool): Declare.
9982 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9983 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9985 2006-03-06 Nick Clifton <nickc@redhat.com>
9987 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9988 flag_strength_reduce.
9990 2006-03-06 Ben Elliston <bje@au.ibm.com>
9992 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9993 x86_64-*-linux* configurations.
9995 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9996 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9998 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10000 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10002 * basic-block.h: Remove the extern for
10003 rediscover_loops_after_threading.
10005 * cfgloop.c (cancel_loop): Make it static.
10006 * cfgloop.h: Remove the prototype for cancel_loop.
10008 * flow.c (recompute_reg_usage): Make it static.
10009 * rtl.h: Remove the prototype for recompute_reg_usage.
10011 * function.c (use_return_register): Make it static.
10012 * function.h: Remove the prototype.
10014 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10016 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10018 * recog.h: Remove the prototype for
10019 validate_change_maybe_volatile.
10021 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10023 * rtlanal.c (replace_reg): Remove.
10024 * rtl.h: Remove the prototype for replace_reg.
10026 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10028 * regclass.c (reg_scan_update): Remove.
10029 (reg_scan_mark_refs): Remove the last argument.
10030 * rtl.h: Remove the prototype for reg_scan_update.
10032 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10034 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10035 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10036 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10037 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10038 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10039 loop-invariant.c, omp-low.c, opts.c, passes.c,
10040 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10041 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10042 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10043 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10044 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10045 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10047 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10049 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10050 * dwarf2out.h: Remove the prototype for
10051 dwarf2out_add_library_unit_info.
10053 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10055 * tree.c (add_var_to_bind_expr): Remove.
10056 * tree.h: Remove the prototype for add_var_to_bind_expr.
10058 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10060 * regclass.c (n_non_fixed_regs): Remove.
10061 (init_reg_sets_1, globalize_reg): Remove all uses of
10063 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10065 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10067 * rtlanal.c (insns_safe_to_move_p): Remove.
10068 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10070 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10072 * expmed.c (expand_mult_add): Remove.
10073 * expr.h: Remove the prototype for expand_mult_add.
10075 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10077 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10078 and REG_SAVED_VAL_EXP constants.
10079 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10080 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10081 Handle regs stored by value.
10082 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10083 (execute_cfa_program): Handle DW_CFA_val_offset,
10084 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10085 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10086 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10087 (uw_install_context_1): Handle target regs stored by value.
10089 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10091 * tree-sra.c (tree_sra): Return todoflags;
10092 (generate_one_element): Set TODO_update_smt_usage if needed.
10093 (pass_sra): Remove TODO_update_smt_usage.
10094 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10096 (tree_ssa_forward_propagate_single_use_vars): Return
10097 TODO_update_smt_usage if we need to update SMT usage.
10098 (pass_forwprop): Remove TODO_update_smt_usage.
10100 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10102 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10103 (correct_use_link): Remove reference to get_stmt_operands.
10104 (update_stmt_operands): Likewise.
10105 (get_modify_expr_operands): New function factored out of
10106 parse_ssa_operands and get_expr_operands.
10107 Try to create V_MUST_DEFs for LHS by default.
10108 (get_expr_operands) <case MODIFY_EXPR>: Call
10109 get_modify_expr_operands.
10110 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10111 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10112 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10113 get_modify_expr_operands.
10115 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10117 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10118 * tree-flow.h: Remove the prototype for
10119 referenced_var_lookup_if_exists.
10121 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10123 PR rtl-optimization/26345
10125 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10127 2006-03-03 Roger Sayle <roger@eyesopen.com>
10129 PR tree-optimization/26524
10130 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10131 fold_convert to create a constant of the appropriate type.
10133 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10135 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10136 SYMBOL_REF_IN_BLOCK_P.
10137 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10138 of SYMBOL_FLAG_IN_BLOCK.
10139 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10140 instead of SYMBOL_REF_IN_BLOCK_P.
10141 * explow.c (use_anchored_address): Likewise.
10142 * rtl.c (rtx_size): Likewise.
10143 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10144 instead of SYMBOL_FLAG_IN_BLOCK.
10145 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10146 SYMBOL_REF_IN_BLOCK_P.
10147 (assemble_variable): Likewise.
10148 (output_constant_def_contents): Likewise.
10149 (output_constant_pool): Likewise.
10150 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10151 instead of SYMBOL_FLAG_IN_BLOCK.
10152 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10153 SYMBOL_REF_IN_BLOCK_P.
10154 (SYMBOL_REF_BLOCK): Likewise.
10155 (SYMBOL_REF_OFFSET): Likewise.
10156 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10157 SYMBOL_REF_IN_BLOCK_P.
10158 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10159 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10160 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10161 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10163 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10165 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10167 2006-03-02 Roger Sayle <roger@eyesopen.com>
10169 * simplify-rtx.c (simplify_unary_operation): When simplifying
10170 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10171 that we perform the right shift in the appropriate mode, and
10172 then extend or truncate the result to requested mode.
10174 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10176 * gengtype.c (main): Handle double_int type.
10177 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10178 * double-int.c: New file.
10179 * double-int.h: New file.
10180 * system.h: Include doubleint.h.
10181 * Makefile.in (SYSTEM_H): Include double-int.h.
10182 (double-int.o): Add.
10184 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10187 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10190 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10192 * tree-vrp.c (remove_range_assertions): Do not update statements
10195 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10197 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10199 * gcse.c (rest_of_handle_gcse): Ditto.
10200 * except.c (gate_handle_eh): Ditto.
10201 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10202 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10204 2006-03-02 Eric Christopher <echristo@apple.com>
10206 * config/i386/i386.c (machopic_output_stub): Add indirection to
10209 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10213 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10215 Sun Niagara specific optimizations.
10216 * config.gcc: Recognize niagara as target.
10217 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10218 (TARGET_CPU_niagara): Define.
10219 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10220 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10221 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10222 (ASM_CPU_SPEC): Likewise.
10223 (PROCESSOR_NIAGARA): New enum entry.
10224 (REGISTER_MOVE_COST): Handle Niagara.
10225 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10226 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10227 (sparc_override_options): Recognize "niagara", set appropriate
10228 default MASK_* values for it, and align functions to 32-bytes
10229 by default just like ULTRASPARC/ULTRASPARC3.
10230 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10231 (sparc64_initialize_trampoline): Likewise.
10232 (sparc_use_sched_lookahead): Use zero for niagara.
10233 (sparc_issue_rate): Use one for niagara.
10234 * config/sparc/niagara.md: New file.
10235 * config/sparc/sparc.md: Include it.
10236 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10237 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10238 when default cpu is niagara.
10239 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10240 (ASM_CPU_SPEC): Likewise.
10241 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10242 when default cpu is niagara.
10243 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10244 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10245 just like v9/ultrasparc/ultrasparc3.
10246 * doc/invoke.texi: Add documentation for "niagara" and improve
10247 existing documentation for ultrasparc variants.
10249 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10251 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10253 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10255 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10256 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10257 and say that only one is needed.
10258 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10259 * target.h (have_switchable_bss_sections): New hook.
10260 * explow.c (use_anchored_address): Check that the symbol is in a block.
10261 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10262 (bss_noswitch_section): New variables.
10263 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10264 (get_noswitch_section): New function.
10265 (get_block_for_section): Allow SECT to be null.
10266 (unlikely_text_section_p): Use SECTION_STYLE.
10267 (bss_initializer_p): New function.
10268 (get_variable_section): Move earlier in file. Take a new argument,
10269 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10270 Return one of the new *_sections in such cases.
10271 (get_block_for_decl): New function, extracting some logic from
10272 use_blocks_for_decl_p.
10273 (change_symbol_section): Remove in favor of...
10274 (change_symbol_block): ...this new function.
10275 (use_blocks_for_decl_p): Remove checks now performed by
10276 get_block_for_decl.
10277 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10278 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10279 (emit_local, emit_bss, emit_common): ...these new functions.
10280 Return true if the alignment was honored.
10281 (emit_tls_common): New function.
10282 (asm_emit_uninitialised): Delete.
10283 (assemble_variable_noswitch): New function, split out from...
10284 (assemble_variable): ...here. Don't make decisions about common
10285 variables here. Globalize all public decls that go into non-common
10286 sections. Check whether SYMBOL_REF_BLOCK is null.
10287 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10288 (output_constant_pool): Likewise.
10289 (init_varasm_once): Initialize the new section variables.
10290 (have_global_bss_p): New function.
10291 (categorize_decl_for_section): Use bss_initializer_p.
10292 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10293 (place_block_symbol): Assert that the symbol must be in a block.
10294 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10295 (TARGET_INITIALIZER): Include it.
10296 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10297 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10298 (SECTION_MACH_DEP): Bump by two.
10299 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10300 (unnamed_section): Mention SECTION_UNNAMED in comment.
10301 (named_section): Likewise SECTION_NAMED.
10302 (noswitch_section_callback): New type.
10303 (noswitch_section): New structure.
10304 (section): Add a noswitch_section alternative.
10305 (SECTION_STYLE): New macro.
10306 (tls_comm_section, comm_section, lcomm_section): Declare.
10307 (bss_noswitch_section, have_global_bss_p): Declare.
10308 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10309 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10311 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10312 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10315 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10317 * tree-vrp.c (execute_vrp): Return value.
10318 * regrename.c (rest_of_handle_regrename): Ditto.
10319 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10320 * tree-complex.c (tree_lower_complex): Ditto.
10321 (tree_lower_complex_O0): Ditto.
10322 * tracer.c (rest_of_handle_tracer): Ditto.
10323 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10324 * postreload.c (rest_of_handle_postreload): Ditto.
10325 * tree-tailcall.c (execute_tail_recursion): Ditto.
10326 (execute_tail_calls): Ditto.
10327 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10328 * tree.h (init_function_for_compilation): Ditto.
10329 * ipa-cp.c (ipcp_driver): Ditto.
10330 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10331 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10332 * final.c (compute_alignments): Ditto.
10333 (rest_of_handle_final): Ditto.
10334 (rest_of_handle_shorten_branches): Ditto.
10335 (rest_of_clean_state): Ditto.
10336 * omp-low.c (execute_expand_omp): Ditto.
10337 (execute_lower_omp): Ditto.
10338 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10339 * ipa-reference.c (static_execute): Ditto.
10340 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10341 * reorg.c (rest_of_handle_delay_slots): Ditto.
10342 (rest_of_handle_machine_reorg): Ditto.
10343 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10344 * flow.c (recompute_reg_usage): Ditto.
10345 (rest_of_handle_remove_death_notes): Ditto.
10346 (rest_of_handle_life): Ditto.
10347 (rest_of_handle_flow2): Ditto.
10348 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10349 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10350 (do_ssa_store_ccp): Ditto.
10351 (execute_fold_all_builtins): Ditto.
10352 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10353 * modulo-sched.c (rest_of_handle_sms): Ditto.
10354 * ipa-pure-const.c (static_execute): Ditto.
10355 * cse.c (rest_of_handle_cse): Ditto.
10356 (rest_of_handle_cse2): Ditto.
10357 * web.c (rest_of_handle_web): Ditto.
10358 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10359 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10360 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10361 * tree-nrv.c (tree_nrv): Ditto.
10362 (execute_return_slot_opt): Ditto.
10363 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10364 (create_structure_vars): Ditto.
10365 * loop-init.c (rtl_loop_init): Ditto.
10366 (rtl_loop_done): Ditto.
10367 (rtl_move_loop_invariants): Ditto.
10368 (rtl_unswitch): Ditto.
10369 (rtl_unroll_and_peel_loops): Ditto.
10370 (rtl_doloop): Ditto.
10371 * gimple-low.c (lower_function_body): Ditto.
10372 (mark_used_blocks): Ditto.
10373 * tree-ssa-sink.c (execute_sink_code): Ditto.
10374 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10375 (cgraph_early_inlining): Ditto.
10376 * global.c (rest_of_handle_global_alloc): Ditto.
10377 * jump.c (cleanup_barriers): Ditto.
10378 (purge_line_number_notes): Ditto.
10379 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10380 (rest_of_handle_if_after_reload): Ditto.
10381 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10382 (tree_ssa_loop_im): Ditto.
10383 (tree_ssa_loop_unswitch): Ditto.
10384 (tree_vectorize): Ditto.
10385 (tree_linear_transform): Ditto.
10386 (tree_ssa_loop_ivcanon): Ditto.
10387 (tree_ssa_empty_loop): Ditto.
10388 (tree_ssa_loop_bounds): Ditto.
10389 (tree_complete_unroll): Ditto.
10390 (tree_ssa_loop_prefetch): Ditto.
10391 (tree_ssa_loop_ivopts): Ditto.
10392 (tree_ssa_loop_done): Ditto.
10393 * predict.c (tree_estimate_probability): Ditto.
10394 * recog.c (split_all_insns_noflow): Ditto.
10395 (rest_of_handle_peephole2): Ditto.
10396 (rest_of_handle_split_all_insns): Ditto.
10397 * tree-eh.c (lower_eh_constructs): Ditto.
10398 * regmove.c (rest_of_handle_regmove): Ditto.
10399 (rest_of_handle_stack_adjustments): Ditto.
10400 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10401 * function.c (instantiate_virtual_regs): Ditto.
10402 (init_function_for_compilation): Ditto.
10403 (rest_of_handle_check_leaf_regs): Ditto.
10404 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10405 (rest_of_handle_gcse): Ditto.
10406 * ipa-type-escape.c (type_escape_execute): Ditto.
10407 * alias.c (rest_of_handle_cfg): Ditto.
10408 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10409 * profile.c (rest_of_handle_branch_prob): Ditto.
10410 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10411 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10412 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10413 * tree-dfa.c (find_referenced_vars): Ditto.
10414 * except.c (set_nothrow_function_flags): Ditto.
10415 (convert_to_eh_region_ranges): Ditto.
10416 (rest_of_handle_eh): Ditto.
10417 * emit-rtl.c (unshare_all_rtl): Ditto.
10418 (remove_unnecessary_notes): Ditto.
10419 * except.h (set_nothrow_function_flags): Ditto.
10420 (convert_to_eh_region_ranges): Ditto.
10421 * cfgexpand.c (tree_expand_cfg): Ditto.
10422 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10423 * tree-ssa-pre.c (do_pre): Ditto.
10424 (execute_fre): Ditto.
10425 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10426 (rest_of_handle_jump2): Ditto.
10427 * tree-sra.c (tree_sra): Ditto.
10428 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10429 (execute_mudflap_function_decls): Ditto.
10430 * tree-ssa-copy.c (do_copy_prop): Ditto.
10431 (do_store_copy_prop): Ditto.
10432 * ipa-prop.h (ipcp_driver): Ditto.
10433 * cfglayout.c (insn_locators_initialize): Ditto.
10434 * tree-ssa-forwprop.c
10435 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10436 * cfglayout.h (insn_locators_initialize): Ditto.
10437 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10438 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10439 (execute_late_warn_uninitialized): Ditto.
10440 * rtl.h (cleanup_barriers): Ditto.
10441 (split_all_insns_noflow): Ditto.
10442 (purge_line_number_notes): Ditto.
10443 (unshare_all_rtl): Ditto.
10444 (remove_unnecessary_notes): Ditto.
10445 (recompute_reg_usage): Ditto.
10446 (variable_tracking_main): Ditto.
10447 * integrate.c (emit_initial_value_sets): Ditto.
10448 * integrate.h (emit_initial_value_sets): Ditto.
10449 * tree-optimize.c (execute_free_datastructures): Ditto
10450 (execute_free_cfg_annotations): Ditto.
10451 (execute_fixup_cfg): Ditto.
10452 (execute_cleanup_cfg_pre_ipa): Ditto.
10453 (execute_cleanup_cfg_post_optimizing): Ditto.
10454 (execute_init_datastructures): Ditto.
10455 * tree-object-size.c (compute_object_sizes): Ditto.
10456 * combine.c (rest_of_handle_combine): Ditto.
10457 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10458 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10459 (rest_of_handle_reorder_blocks): Ditto.
10460 (rest_of_handle_partition_blocks): Ditto.
10461 * var-tracking.c (variable_tracking_main): Ditto.
10462 * tree-profile.c (tree_profiling): Ditto.
10463 * tree-vect-generic.c (expand_vector_operations): Ditto.
10464 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10465 * sched-rgn.c (rest_of_handle_sched): Ditto.
10466 (rest_of_handle_sched2): Ditto.
10467 * basic-block.h (free_bb_insn): Ditto.
10468 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10469 * tree-cfg.c (execute_build_cfg): Ditto.
10470 (remove_useless_stmts): Ditto.
10471 (split_critical_edges): Ditto.
10472 (execute_warn_function_return): Ditto.
10473 (execute_warn_function_noreturn): Ditto.
10474 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10475 * cfgrtl.c (free_bb_for_insn): Ditto.
10476 * passes.c (execute_one_pass): Run additional
10477 todos returned by execute function.
10478 * tree-pass.h (struct tree_opt_pass): Make execute
10481 2006-03-02 Richard Guenther <rguenther@suse.de>
10483 * tree-ssa-alias.c (find_used_portions): Consider taking
10484 the address as making the variable not write-only.
10486 2006-03-02 Nick Clifton <nickc@redhat.com>
10488 * config.gcc (default_use_cxa_atexit): Extend the description of
10489 this configure variable. Set its default value to "yes" for
10490 Linux, NetBSD and ELF targets on the assumption that they will
10491 use C libraries with the __cxa_atexit function.
10493 2006-03-02 Ben Elliston <bje@au.ibm.com>
10495 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10496 parameter as unused to suppress a build warning.
10498 2006-03-02 Ben Elliston <bje@au.ibm.com>
10500 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10503 2006-03-01 Roger Sayle <roger@eyesopen.com>
10506 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10507 declared name, the weak reference name, and the typeof name.
10508 (__gthrw): Avoid expanding the declared name suffix.
10509 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10511 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10513 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10515 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10516 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10517 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10518 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10519 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10520 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10521 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10522 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10523 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10524 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10525 (DW_END_default, DW_END_big, DW_END_little): New.
10526 (DW_END_lo_user, DW_END_hi_user): Define.
10527 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10528 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10529 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10532 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10534 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10536 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10538 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10540 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10542 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10543 to 'symbol_mem_tag'.
10545 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10548 2006-03-01 Roger Sayle <roger@eyesopen.com>
10550 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10552 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10555 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10556 MACHO_DYNAMIC_NO_PIC_P.
10557 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10559 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10562 * config/darwin-protos.h (darwin_asm_output_anchor):
10564 * config/darwin-sections.def (cstring_section):
10565 Add SECTION_MERGE to the flags.
10566 (literal4_section): Likewise.
10567 (literal8_section): Likewise.
10568 (objc_selector_refs_section): Likewise.
10569 (objc_cls_refs_section): Likewise.
10570 * config/darwin.c (darwin_asm_output_anchor): New
10572 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10574 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10576 Fix PR tree-optimization/26443
10577 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10578 to todo and PROP_tmt_usage to properties_destroyed.
10579 * tree-ssa-ccp.c (pass_ccp): Ditto.
10580 (pass_store_ccp): Ditto.
10581 * tree-ssa-dom.c (pass_dominator): Ditto.
10583 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10585 * tree-ssa-operands.c: Cleanup whitespace.
10586 (get_asm_expr_operands): Move before first invocation.
10587 (get_indirect_ref_operands): Likewise.
10588 (get_tmr_operands): Likewise.
10589 (get_call_expr_operands): Likewise.
10590 (append_def): Likewise.
10591 (append_use): Likewise.
10592 (append_v_may_def): Likewise.
10593 (append_v_must_def): Likewise.
10594 (add_call_clobber_ops): Likewise.
10595 (add_call_read_ops): Likewise.
10596 (add_stmt_operand): Likewise.
10597 (add_virtual_operand): Likewise.
10598 (build_ssa_operands): Likewise.
10600 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10602 PR middle-end/26022
10604 PR middle-end/24437
10605 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10606 with a call expr to ...
10607 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10609 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10611 * tree-vrp.c (extract_range_from_assert): Remove special
10612 handling for types with super-types.
10614 2006-03-01 Ben Elliston <bje@au.ibm.com>
10616 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10617 and powerpc64-*-linux* configurations.
10618 * config/t-dfprules: New file.
10620 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10621 Compile dfp-bit.c from the source directory using -DWIDTH and
10622 $DFP_CFLAGS to control the compilation of that file, rather than
10623 generating width-specific versions in the build directory.
10624 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10625 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10627 2006-02-28 Zack Weinberg <zackw@panix.com>
10629 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10632 2006-02-28 Eric Christopher <echristo@apple.com>
10634 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10635 Set up IN_LIBGCC definition of TARGET_64BIT.
10636 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10638 2006-02-28 Roger Sayle <roger@eyesopen.com>
10640 PR middle-end/14752
10641 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10642 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10643 cases via the construction of "expr != 0".
10645 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10647 * alias.c (alias_invariant, alias_invariant_size): Remove.
10648 (record_base_value): Remove.
10649 (memrefs_conflict_p): Don't look at alias_invariant.
10650 (end_alias_analysis): Don't free it.
10651 * alias.h (record_base_value): Remove prototype.
10653 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10654 Adam Nemet <anemet@caviumnetworks.com>
10656 * rtl.h (truncated_to_mode): Declare it.
10657 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10658 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10659 (RTL_HOOKS_INITIALIZER): Include it.
10660 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10661 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10662 reg_truncated_to_mode.
10663 * rtlanal.c (truncated_to_mode): Define it.
10664 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10666 2006-02-28 Jeff Law <law@redhat.com>
10668 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10669 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10670 the range allowed by TYPE_PRECISION.
10672 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10674 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10676 PR tree-optimization/26419
10677 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10680 2006-02-27 Zack Weinberg <zackw@panix.com>
10682 * doc/md.texi: Fix typo in previous change.
10684 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10688 2006-02-27 Zack Weinberg <zackw@panix.com>
10690 * rtl.def (define_constraint, define_register_constraint)
10691 (define_memory_constraint, define_address_constraint): New MD forms.
10692 * gensupport.c (process_rtx): Put define_constraint etc on the
10694 * genpreds.c (process_define_predicate): Adjust comment. Validate
10695 the name, and call validate_exp to validate the expression.
10696 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10697 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10698 all callers changed.
10699 (validate_exp, needs_variable, struct constraint_data)
10700 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10701 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10702 (const_dbl_constraints, constraint_max_namelen)
10703 (have_register_constraints, have_memory_constraints)
10704 (have_address_constraints, have_address_constraints)
10705 (have_extra_constraints, have_const_int_constraints)
10706 (have_const_dbl_constraints, mangle, add_constraint)
10707 (process_define_constraint, process_define_register_constraint)
10708 (write_enum_constraint_num, write_lookup_constraint)
10709 (write_insn_constraint_len, write_regclass_for_constraint)
10710 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10711 (write_insn_extra_memory_constraint)
10712 (write_insn_extra_address_constraint)
10713 (write_satisfies_constraint_fns): New.
10714 (write_tm_preds_h): If we have new-style constraint definitions,
10715 prototype the functions generated from them, and define the
10716 old constraint interface (still used by generic code) in terms of
10718 (write_insn_preds_c): If we have new-style constraint definitions,
10719 generate all relevant functions from those definitions.
10720 (main): Handle define_constraint etc.
10721 * genoutput.c (struct constraint_data, indep_constraints)
10722 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10723 (mdep_constraint_len): New data structures and functions, defined
10724 #ifdef USE_MD_CONSTRAINTS.
10725 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10726 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10727 use new logic to validate operand constraints against constraint
10729 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10731 * defaults.h: If none of the old-style constraint macros are
10732 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10733 old-style macros; and poison REG_CLASS_FROM_LETTER,
10734 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10736 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10737 * doc/md.texi: Document new constraint-definition mechanism and the
10738 C interface it provides. Remove references to old mechanism
10739 elsewhere in the document.
10740 (Machine Constraints): Use pathnames relative to gcc directory,
10741 i.e. config/ARCH/FILE. Change i386 section to refer to
10742 config/i386/predicates.md; update that section to match docstrings.
10743 * doc/tm.texi: Move all documentation of the old constraint-
10744 definition macros to their own section, clearly mark as obsolete.
10746 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10747 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10749 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10750 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10751 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10752 constraint strings.
10753 (splits and peepholes): Use satisfies_constraint_*.
10754 * config/i386/i386.c (memory_address_length)
10755 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10757 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10759 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10760 scalar operation to be put back into the loop.
10762 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10765 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10766 (extract_cie_info): Handle S flag in augmentation string.
10767 (execute_cfa_program): If context->signal_frame, execute also
10768 fs->pc == context->ra instructions.
10769 (uw_frame_state_for): If context->signal_frame, don't subtract one
10770 from context->ra to find FDE.
10771 (uw_update_context_1): Set context->signal_frame to
10773 (_Unwind_GetIPInfo): New function.
10774 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10775 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10777 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10778 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10779 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10780 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10781 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10782 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10783 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10784 x86_64_fallback_frame_state): Set fs->signal_frame.
10785 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10786 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10787 (frob_update_context): Likewise. Workaround missing S flag in
10788 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10789 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10790 Remove the psw_addr + 1 hack.
10792 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10794 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10795 with aggregates here.
10796 (find_func_aliases): Remove code for &<aggregate> from here.
10798 2006-02-26 Roger Sayle <roger@eyesopen.com>
10800 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10801 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10802 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10803 as (X & C) ne/eq 0.
10805 2006-02-26 Roger Sayle <roger@eyesopen.com>
10807 PR middle-end/19983
10808 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10810 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10812 * opts.c (decode_options): Do not handle flag_strength_reduce.
10813 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10814 and OPT_fstrength_reduce.
10815 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10816 flag_prefetch_loop_arrays for being nonzero.
10817 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10819 (fprefetch-loop-arrays-rtl): Removed.
10820 (flag_prefetch_loop_arrays): Do not specify the value.
10822 * doc/passes.texi: Update documentation of loop optimizer
10824 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10825 -frerun-loop-opt): Remove.
10827 2006-02-26 Richard Guenther <rguenther@suse.de>
10829 PR tree-optimization/26421
10830 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10831 in function calls that are ADDR_EXPRs as using the whole structure.
10833 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10835 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10836 * tree-pass.h (pass_loop_optimize): Remove.
10837 * passes.c (pass_loop_optimize): Never run it.
10838 * toplev.c (backend_init): Don't call init_loop.
10839 * opts.c (flag_loop_optimize_set): Remove.
10840 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10841 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10842 the old RTL loop optimizer when profiling enabled.
10843 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10844 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10845 pre-headers for the sake of the old RTL loop optimizer.
10846 * Makefile.in: Remove all references to loop.o.
10848 * doc/invoke.texi: Remove all references to -floop-optimize
10849 and -frerun-loop-opt.
10851 2006-02-26 Zack Weinberg <zackw@panix.com>
10853 * doc/md.texi (Machine Constraints): Refer to all files with paths
10854 relative to gcc directory (i.e. config/CPU/file). Add missing
10855 @table @code ... @end table to M32C subsection.
10857 2006-02-26 Roger Sayle <roger@eyesopen.com>
10859 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10861 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10863 2006-02-26 Roger Sayle <roger@eyesopen.com>
10864 James A. Morrison <phython@gcc.gnu.org>
10866 PR middle-end/21137
10867 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10868 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10869 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10870 signedness of the shift operation.
10872 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10874 PR tree-optimization/26359
10875 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10877 2006-02-25 Roger Sayle <roger@eyesopen.com>
10879 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10880 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10881 as X == 0, and some symmetry related transformations.
10882 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10884 2006-02-25 Roger Sayle <roger@eyesopen.com>
10886 PR middle-end/23673
10887 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10888 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10889 symmetry related transformations. Fold (X^C1) == C2 as
10892 2006-02-25 Juergen Weigert <jw@suse.de>
10893 Richard Guenther <rguenther@suse.de>
10895 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10897 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10899 * combine.c (gen_lowpart_or_truncate): Call
10900 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10902 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10904 * doc/invoke.texi: Move -fopenmp description to "Options for
10906 Remove reference to -lgomp.
10908 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10910 * doc/install.texi: Require GNU tar version 1.14.
10912 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10914 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10915 * doc/invoke.texi (C++ Dialect Options): Document
10916 -fno-use-cxa-get-exception-ptr.
10917 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10918 * configure: Regenerate.
10919 * c.opt (fuse-cxa-get-exception-ptr): New.
10920 * c-opts.c (c_common_handle_option): Handle
10921 OPT_fuse_cxa_get_exception_ptr.
10922 * c-common.c (flag_use_cxa_atexit): Update documentation.
10923 (flag_use_cxa_get_exception_ptr): New.
10924 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10925 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10927 (C_COMMON_OVERRIDE_OPTIONS): New.
10929 2006-02-24 Roger Sayle <roger@eyesopen.com>
10931 PR middle-end/24952
10932 * combine.c (try_combine): Explicitly check whether GET_CODE is
10933 a SET or a CLOBBER, instead on checking that it isn't a USE.
10935 2006-02-24 Roger Sayle <roger@eyesopen.com>
10937 * fold-const.c (fold_comparison): New subroutine of fold_binary
10938 containing transformations common to both the equality and
10939 ordering relational operators, factored out of fold_binary.
10940 (fold_binary): Separate out the equality operators (EQ_EXPR
10941 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10942 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10943 transformations common to both.
10944 (fold_div_compare): Fix latent bugs in the previously unreachable
10945 LT_EXPR and GE_EXPR cases.
10947 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10949 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10950 decl libname for clog to __clog on AIX.
10952 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10954 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10957 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10958 output traceback table for thunks. Localise rs6000_stack_info call.
10960 2006-02-23 Roger Sayle <roger@eyesopen.com>
10961 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10963 * gthr-posix.h (__gthrw): Fix typo in comment.
10965 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10967 * doc/cpp.texi (Character sets): Document that we do support
10968 input files to be in any character set.
10970 2006-02-23 Jeff Law <law@redhat.com>
10972 * tree.h (PHI_ARG_NONZERO): Remove.
10973 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10974 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10975 node to the new node.
10977 PR tree-optimization/26425
10978 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10979 min/max, then assume its varying.
10981 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10983 PR rtl-optimization/26316
10984 * rtlanal.c (enum may_trap_p_flags): New.
10985 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10986 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10987 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10988 (may_trap_after_code_motion_p): New function.
10989 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10990 (find_invariant_insn): Use may_trap_after_code_motion_p.
10991 * rtl.h (may_trap_after_code_motion_p): Declare.
10993 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10995 * emit-rtl.c (immed_double_const): Cleanup.
10997 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10999 Fix PR tree-optimization/26376
11000 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11003 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11005 PR middle-end/26412
11006 * gimplify.c (omp_add_variable): Guard variable size decl test with
11007 DECL_SIZE (decl) check.
11009 2006-02-23 Richard Guenther <rguenther@suse.de>
11011 PR middle-end/26439
11012 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11013 like aggregate types.
11015 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11017 * configure.ac: Add --with{,out}-long-double-128 configure option.
11018 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11019 * configure: Rebuilt.
11020 * config.in: Rebuilt.
11021 * doc/install.texi (Options specification): Document
11022 --with-long-double-128.
11024 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11025 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11026 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11027 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11029 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11031 * config/s390/s390.c (override_options): Handle
11032 TARGET_DEFAULT_LONG_DOUBLE_128.
11034 * config/alpha/alpha.c (override_options): Handle
11035 TARGET_DEFAULT_LONG_DOUBLE_128.
11037 * config/sparc/sparc.c (sparc_override_options): Handle
11038 TARGET_DEFAULT_LONG_DOUBLE_128.
11040 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11042 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11043 (real-install-headers-tar, real-install-headers-cpio)
11044 (real-install-headers-cp): New targets.
11046 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11048 * tree.h (variable_section): Delete.
11049 * varasm.c (variable_section): Delete.
11051 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11053 * install.texi: Add notes on install.texi2html.
11054 (Building in parallel): Do not use footnotes.
11056 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11059 * doc/install.texi (Configuration): Document --disable-libgomp.
11061 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11063 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11065 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11067 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11068 (vec_extractv2df_0_sse): New.
11070 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11072 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11073 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11074 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11075 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11076 to the result of the expression.
11077 (def_cfa_1): Adjust.
11078 (frame_pointer_cfa_offset): Rename to...
11079 (frame_pointer_fb_offset): ... this. Adjust all uses.
11080 (convert_cfa_to_loc_list): Rename to...
11081 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11082 Pass it on to build_cfa_loc.
11083 (compute_frame_pointer_to_cfa_displacement): Rename to...
11084 (compute_frame_pointer_to_fb_displacement): ... this. New
11085 offset parameter. Use it in computation.
11086 (gen_subprogram_die): Compute cfa_fb_offset with the new
11087 macro, and use it to compute the fb loc list and the
11090 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11092 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11093 replaced with register_operand.
11094 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11095 non-DREG is expensive.
11096 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11097 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11100 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11102 * doc/install.texi2html: Use set -e.
11104 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11106 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11107 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11108 * doc/invoke.texi (-fshared-data): Delete.
11109 * common.opt (fshared-data): Delete.
11110 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11111 (assemble_static_space): Remove #if 0 code.
11112 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11113 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11114 * config/cris/cris.h: Remove FIXME.
11116 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11118 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11121 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11123 PR middle-end/26379
11124 * combine.c (simplify_shift_const_1): Disable nested shifts
11125 optimization for vector shifts.
11127 2006-02-20 Roger Sayle <roger@eyesopen.com>
11129 PR tree-optimization/26361
11130 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11131 of unsigned integer types.
11133 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11135 * tree-chrec.c (eq_evolutions_p): New.
11136 * tree-chrec.h (eq_evolutions_p): Declared.
11137 * tree-data-ref.c: Fix formatting.
11138 (datadep_stats, dependence_stats): New.
11140 (print_direction_vector): New.
11141 (dump_data_dependence_relation): Use print_direction_vector.
11142 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11143 (compute_subscript_distance): Static.
11144 (initialize_data_dependence_relation): Static. Get the number
11145 of loops surrounding the references from the callers, and initialize
11146 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11147 base_object_differ_p analyzers.
11148 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11149 compute_overlap_steps_for_affine_1_2,
11150 analyze_subscript_affine_affine): Count the classified dependences.
11151 Print a message when a test failed.
11152 (can_use_analyze_subscript_affine_affine): New.
11153 (analyze_siv_subscript): Compute the data dependences on symbolic
11154 scevs that verify can_use_analyze_subscript_affine_affine.
11155 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11156 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11157 Handle symbolic scevs.
11158 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11160 (subscript_dependence_tester): Moved...
11161 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11162 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11163 DDR_SIZE_VECT instead of getting it in parameter.
11164 (subscript_dependence_tester): ... here. Take as a parameter
11165 loop_nest_depth. Call build_classic_dist_vector and
11166 build_classic_dir_vector.
11167 (compute_affine_dependence): Update subscript_dependence_tester
11168 parameters. Update datadep_stats counters. Call
11169 compute_subscript_distance.
11170 (compute_self_dependence): Save the dist and dir vectors. Call
11171 compute_subscript_distance.
11172 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11173 (compute_all_dependences): Reorder parameters as they were before
11174 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11175 compute_subscript_distance. Update the use of
11176 compute_affine_dependence and initialize_data_dependence_relation.
11177 (find_data_references_in_loop): Handle COMPONENT_REF.
11178 (compute_data_dependences_for_loop): Initialize dependence_stats.
11179 Don't call build_classic_dist_vector and build_classic_dir_vector.
11180 Update the parameters of initialize_data_dependence_relation and
11181 compute_all_dependences. Print the statistics from datadep_stats.
11182 (analyze_all_data_dependences): Static. Not used until the pass for
11183 checking the data dependences is contributed.
11184 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11185 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11186 (initialize_data_dependence_relation, compute_affine_dependence,
11187 analyze_all_data_dependences, compute_subscript_distance): Removed.
11188 (print_direction_vector): New.
11189 * lambda.h (gcd): ... here.
11190 (lambda_vector_gcd): Moved here from gcd_vector.
11191 * lambda-code.c (gcd, gcd_vector): Removed.
11192 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11193 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11195 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11197 * ipa-type-escape.c: Tidy some comments and white space.
11198 * tree-ssa-operands.c: Likewise.
11200 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11203 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11204 (dump_decl_name): Do not walk the decl tree chains.
11205 * tree-pass.h (TDF_CHAIN): Remove.
11207 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11209 * Makefile.in (C): Remove
11211 (.PHONY): Remove C and PROTO
11213 2006-02-20 Roger Sayle <roger@eyesopen.com>
11215 PR middle-end/26236
11216 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11217 deprecated CHAR_TYPE tree code.
11219 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11221 * configure.ac (target_list): Add install-info, dvi, html.
11222 * configure: Regenerate.
11224 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11225 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11226 treelang/Make-lang.in: Do not use double-colon rules.
11228 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11230 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11231 (TMT_USED_ALONE): New macro.
11232 * tree-pass.h (PROP_tmt_usage): New property.
11233 (TODO_update_tmt_usage): New todo.
11234 * tree-ssa-alias.c (updating_used_alone): New variable.
11235 (recalculate_used_alone): New function.
11236 (compute_may_aliases): Set updating_used_alone, call
11237 recalculate_used_alone.
11238 * tree-sra.c (pass_sra): Note that this pass destroys
11239 PROP_tmt_usage, and add TODO_update_tmt_usage.
11240 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11241 * tree-flow.h (updating_used_alone): Prototype.
11242 (recalculate_used_alone): Ditto.
11243 * passes.c (execute_todo): Add code to set updating_used_alone,
11244 and call recalculate.
11245 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11246 for clobber if used alone, and add assert to verify used_alone
11249 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11251 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11252 for non tls symbols added.
11253 (legitimize_address): Do nothing for PLUS expressions if one of the
11254 addends is a tls symbol reference.
11256 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11260 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11262 * Makefile.in (BOOTSTRAPPING): New.
11263 (quickstrap): New definition if BOOTSTRAPPING=yes.
11265 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11266 * configure.ac: Substitute all_selected_languages with the languages
11267 that were configured. For all the other variables except
11268 lang_specs_files, include all the languages in the tree.
11269 * configure: Regenerate.
11271 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11272 if there is one. Run the commands to run fixincludes in the same
11275 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11276 * doc/install.texi: Document exact conventions for searching target tools.
11277 Document --with-build-time-tools. Document toplevel bootstrap. Document
11278 something more about building an Ada cross-compiler. Don't list GNU Make
11279 requirements which affect all platforms.
11281 2006-02-19 Roger Sayle <roger@eyesopen.com>
11283 PR middle-end/19543
11284 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11285 only equivalent if the have both the same mode and precision.
11287 2006-02-20 Ben Elliston <bje@au.ibm.com>
11289 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11291 2006-02-19 Roger Sayle <roger@eyesopen.com>
11292 Steven Bosscher <stevenb.gcc@gmail.com>
11294 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11295 constant pool references to identify stack mode constants.
11296 * rtlanal.c (constant_pool_constant_p): New predicate to check
11297 whether operand is a floating point constant in the pool.
11298 * rtl.h (constant_pool_constant_p): Prototype here.
11299 * loop.c (scan_loop): Avoid hoisting constants from the constant
11300 pool on STACK_REGS targets.
11301 (load_mems): Likewise.
11302 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11303 loads into x87 registers expensive in terms of register pressure.
11305 2006-02-19 Roger Sayle <roger@eyesopen.com>
11307 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11308 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11310 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11312 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11313 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11315 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11317 * doc/invoke.texi: Document -fipa-pta.
11318 * common.opt: Add ipa-pta option.
11319 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11320 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11321 (do_ds_constraint): Ditto.
11322 (get_constraint_for): Only add to referenced_vars if
11323 referenced_vars exists.
11324 (insert_into_field_list): Rewrite to do this unsorted.
11325 (insert_into_field_list_sorted): Rename old insert_into_field_list
11327 (create_function_info_for): Use insert_into_field_list_sorted.
11328 (create_variable_info_for): Rewrite so it uses unsorted version,
11329 since the field list is sorted.
11330 (intra_create_variable_infos): Only add to referenced_vars if
11331 referenced_vars exists.
11332 (ipa_pta_execute): Init heapvars, and delete when done.
11333 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11335 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11337 * doc/install.texi: Add missing `@samp'.
11339 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11341 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11344 2006-02-18 Mark Wielaard <mark@klomp.org>
11346 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11347 who added new 4.1 features, bug fixes and integration support.
11349 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11352 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11353 MEM for ABI_V4 pic.
11355 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11357 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11358 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11359 (copy_insn_1): Likewise. Don't copy each field individually.
11361 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11363 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11364 * rtl.c (rtx_size): Rename variable to...
11365 (rtx_code_size): ...this.
11366 (rtx_size): New function.
11367 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11368 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11370 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11371 * rtl.h (rtx_code_size): New variable.
11372 (rtx_size): Change from a variable to a function.
11373 (RTX_SIZE): Rename to...
11374 (RTX_CODE_SIZE): ...this.
11377 PR tree-optimization/17106
11378 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11379 (Anchored Addresses): New section.
11380 * doc/invoke.texi (-fsection-anchors): Document.
11381 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11382 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11383 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11384 * hooks.c (hook_bool_mode_rtx_false): New function.
11385 * hooks.h (hook_bool_mode_rtx_false): Declare.
11386 * gengtype.c (create_optional_field): New function.
11387 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11388 SYMBOL_REF_IN_BLOCK_P is true.
11389 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11390 (min_anchor_offset, max_anchor_offset): Likewise.
11391 (use_anchors_for_symbol_p): New hook.
11392 * toplev.c (compile_file): Call output_object_blocks.
11393 (target_supports_section_anchors_p): New function.
11394 (process_options): Check that -fsection-anchors is only used on
11395 targets that support it and when -funit-at-a-time is in effect.
11396 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11397 if the decl doesn't have one.
11398 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11399 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11400 of force_const_mem through use_anchored_address.
11401 (expand_expr_constant): New function.
11402 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11403 calling expand_expr for INDIRECT_REF.
11404 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11405 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11406 * expr.h (use_anchored_address): Declare.
11407 * loop-unroll.c: Don't declare rtx vectors here.
11408 * explow.c: Include output.h.
11409 (validize_mem): Call use_anchored_address.
11410 (use_anchored_address): New function.
11411 * common.opt (-fsection-anchors): New switch.
11412 * varasm.c (object_block_htab, anchor_labelno): New variables.
11413 (hash_section, object_block_entry_eq, object_block_entry_hash)
11414 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11415 (use_blocks_for_decl_p, change_symbol_section): New functions.
11416 (get_variable_section): New function, split out from assemble_variable.
11417 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11418 use_blocks_for_decl_p say so. Use change_symbol_section if the
11419 symbol has already been created.
11420 (assemble_variable_contents): New function, split out from...
11421 (assemble_variable): ...here. Don't output any code for
11422 block symbols; just pass them to place_block_symbol.
11423 Use get_variable_section and assemble_variable_contents.
11424 (get_constant_alignment, get_constant_section, get_constant_size): New
11425 functions, split from output_constant_def_contents.
11426 (build_constant_desc): Create a block symbol if use_object_blocks_p
11427 says so. Or into SYMBOL_REF_FLAGS.
11428 (assemble_constant_contents): New function, split from...
11429 (output_constant_def_contents): ...here. Don't output any code
11430 for block symbols; just pass them to place_section_symbol.
11431 Use get_constant_section and get_constant_alignment.
11432 (force_const_mem): Create a block symbol if use_object_blocks_p and
11433 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11434 (output_constant_pool_1): Add an explicit alignment argument.
11435 Don't switch sections here.
11436 (output_constant_pool): Adjust call to output_constant_pool_1.
11437 Switch sections here instead. Don't output anything for block symbols;
11438 just pass them to place_block_symbol.
11439 (init_varasm_once): Initialize object_block_htab.
11440 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11441 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11442 (place_block_symbol, get_section_anchor, output_object_block)
11443 (output_object_block_htab, output_object_blocks): New functions.
11444 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11445 (TARGET_ASM_OUT): Include it.
11446 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11447 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11448 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11449 (TARGET_INITIALIZER): Include them.
11450 * rtl.c (rtl_check_failed_block_symbol): New function.
11451 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11452 (block_symbol, object_block): New structures.
11453 (rtx_def): Add a block_symbol field to the union.
11454 (BLOCK_SYMBOL_CHECK): New macro.
11455 (rtl_check_failed_block_symbol): Declare.
11456 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11457 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11458 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11459 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11460 * output.h (output_section_symbols): Declare.
11461 (object_block): Name structure.
11462 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11463 (default_use_anchors_for_symbol_p): Declare.
11464 * Makefile.in (RTL_BASE_H): Add vec.h.
11465 (explow.o): Depend on output.h.
11466 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11467 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11468 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11469 (rs6000_use_blocks_for_constant_p): New function.
11471 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11473 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11475 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11478 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11481 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11483 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11487 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11489 PR middle-end/26334
11490 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11491 instead of DECL_REGISTER.
11493 2006-02-18 Olivier Hainque <hainque@adacore.com>
11496 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11498 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11501 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11502 * opth-gen.awk: Handle Var and InverseMask together.
11503 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11504 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11505 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11506 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11508 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11509 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11510 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11511 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11512 LINUX_DYNAMIC_LINKER): Define.
11513 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11514 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11516 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11517 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11518 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11520 (TARGET_C99_FUNCTIONS): Don't define.
11521 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11522 GLIBC_DYNAMIC_LINKER.
11523 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11524 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11525 GLIBC_DYNAMIC_LINKER64): Define.
11526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11527 LINUX_DYNAMIC_LINKER64.
11528 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11530 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11532 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11534 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11535 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11536 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11538 and LINUX_DYNAMIC_LINKER32.
11539 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11541 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11543 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11545 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11546 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11547 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11548 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11549 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11550 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11551 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11552 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11553 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11554 LINUX_DYNAMIC_LINKER): Define.
11555 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11556 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11557 GLIBC_DYNAMIC_LINKER64): Define.
11558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11559 LINUX_DYNAMIC_LINKER64.
11560 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11561 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11562 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11563 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11564 LINUX_DYNAMIC_LINKER): Define.
11565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11566 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11567 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11568 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11569 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11570 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11571 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11572 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11573 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11574 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11576 * doc/invoke.texi (-muclibc): Remove caveat about supported
11579 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11581 * doc/cpp.texi (__TIMESTAMP__): Document.
11583 2006-02-17 Roger Sayle <roger@eyesopen.com>
11585 PR middle-end/25600
11586 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11587 C is one less than the width of X (and related transformations).
11588 * simplify-rtx.c (simplify_unary_operation_1): Transform
11589 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11590 depending on STORE_FLAG_VALUE, were C is one less then the
11593 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11595 Fix PR tree-optimization/26341
11596 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11597 about NAME_MEMORY_TAG's.
11599 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11602 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11603 with hardware float support, and software float support. Add fcpy
11604 alternative to hardware patterns. Add alternatives to copy between
11605 general and floating-point registers to the 32-bit pattern.
11606 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11607 secondary reload to load a QI or HI mode constant into a floating
11609 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11610 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11612 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11615 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11617 (load_macho_picbase_di): Likewise.
11619 2006-02-16 Jeff Law <law@redhat.com>
11621 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11622 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11623 (ssa_name_nonzero_p): Likewise.
11624 (get_value_range): Return NULL if VRP is not running.
11625 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11626 VRP routines do not discover a range.
11627 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11628 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11629 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11630 (tree_expr_nonnegative_p): Similarly.
11631 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11632 (restore_nonzero_vars_to_original_value): Remove.
11633 (unsafe_associative_fp_binop): Remove.
11634 (tree_ssa_dominator_optimize): Remove initialization and
11635 finalization of nonzero_vars and nonzero_vars_stack.
11636 (dom_opt_initialize_block): No longer push marker on
11637 nonzero_vars_stack.
11638 (dom_opt_finalize_block): No longer call
11639 restore_nonzero_vars_to_original_value.
11640 (record_equivalences_from_phis): No longer look for
11641 nonzero PHI arguments.
11642 (cprop_into_successor_phis): No longer propagate nonzero
11643 property into PHI arguments. Lose unused argument. Caller
11645 (record_equivalences_from_stmt): No longer record nonzero
11646 values for SSA_NAMEs.
11647 (lookup_avail_expr): No longer use nonzero_vars.
11649 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11650 for sizetype when sizetype is unsigned.
11652 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11654 PR rtl-optimization/25603
11655 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11656 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11657 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11658 with new meaning of SETS.
11660 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11665 * config/linux.opt: New file.
11666 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11667 LINUX_DYNAMIC_LINKER): Define.
11668 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11669 * config.gcc (*-*-linux*): Define extra_options.
11670 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11671 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11672 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11673 GLIBC_DYNAMIC_LINKER.
11674 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11675 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11676 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11677 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11678 * doc/invoke.texi (GNU/Linux Options): New section.
11680 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11682 * config/sparc/sparc.md (setjmp): Rewrite.
11683 (setjmp_32): Delete.
11684 (setjmp_64): Likewise.
11686 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11688 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11691 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11693 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11696 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11698 PR rtl-optimization/26296
11699 * Makefile.in (loop-invariant.c): Add except.h dependency.
11700 * loop-invariant.c: Include except.h.
11701 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11703 2005-02-16 Paul Brook <paul@codesourcery.com>
11705 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11708 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11710 PR rtl-optimization/25636
11711 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11712 when deciding whether an insn is an initializing insn.
11714 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11716 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11717 (tree_code_size): Ditto.
11718 * tree.h (struct tree_memory_tag): Remove parent_var.
11719 (struct tree_struct_field_tag): New.
11722 (union tree_node): Add sft member.
11723 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11725 (create_sft): Add size and offset argument, set SFT_OFFSET and
11727 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11728 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11729 * tree-flow-inline.h (get_subvar_at): Update for
11730 SFT_OFFSET/SFT_SIZE.
11731 (var_can_have_subvars): Ditto.
11732 (overlap_subvar): Ditto.
11733 * print-tree.c (print_node): Print out interesting things for
11735 * tree-flow.h (struct subvar): Remove offset and size members.
11736 * tree-ssa-operands.c (get_expr_operands): Update for
11737 get_indirect_ref_operands changes.
11738 (get_indirect_ref_operands): Call add_virtual_operand instead of
11739 add_stmt_operand. Only recurse on base var if requested.
11740 (access_can_touch_variable): New function.
11741 (add_stmt_operand): Split virtual operand handling into ...
11742 (add_virtual_operand): Here. Add offset, size, and for_clobber
11743 arguments. Prune alias sets.
11744 (add_call_clobber_ops): Call add_virtual_operand.
11746 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11748 PR middle-end/26300
11749 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11751 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11752 than TREE_CODE as index into omp_clause_num_ops array.
11754 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11756 PR rtl-optimization/26184
11757 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11759 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11760 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11761 must_precede, must_follow and tobe_scheduled.
11764 * opts.c (common_handle_option): Free new_option pointer.
11765 * df-core.c (df_analyze): Free postorder pointer.
11767 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11769 * Makefile.in: Fix the examples about the use of stamps
11771 2006-02-15 Michael Matz <matz@suse.de>
11773 PR middle-end/22275
11775 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11776 influenced by maximum_field_alignment or DECL_PACKED.
11777 (update_alignment_for_field): Ditto.
11778 (place_field): Ditto.
11779 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11782 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11784 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11785 (debug_flow_info): Pass it.
11786 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11787 * bb-reorder.c (reorder_basic_blocks): Likewise.
11788 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11789 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11790 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11791 * gcse.c (gcse_main, bypass_jumps): Likewise.
11792 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11793 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11794 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11795 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11796 * rtl.h (dump_flow_info): Adjust prototype.
11797 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11798 * var-tracking.c (variable_tracking_main): Likewise.
11799 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11800 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11803 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11805 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11808 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11810 PR tree-optimization/26209
11811 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11812 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11814 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11816 2006-02-14 Roger Sayle <roger@eyesopen.com>
11818 PR middle-end/23670
11819 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11820 (X,Y) and the corresponding symmetry related transformations.
11821 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11822 (X,Y) and its symmetry related transformations.
11824 2006-02-14 Roger Sayle <roger@eyesopen.com>
11826 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11829 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11831 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11833 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11836 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11837 support COMDAT group.
11838 * configure: Regenerate.
11840 2006-02-14 Roger Sayle <roger@eyesopen.com>
11842 PR middle-end/26279
11843 PR middle-end/26280
11844 PR middle-end/26283
11845 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11847 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11849 Fix PR tree-optimization/26260
11851 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11853 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11854 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11855 * tree-ssa-structalias.c (create_variable_info_for): Use
11856 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11858 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11860 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11862 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11863 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11864 of the ending condition.
11865 * tree-ssa-loop-manip.c: Include params.h.
11866 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11867 tree_unroll_loop): New functions.
11868 * tree-pass.h (pass_loop_prefetch): Declare.
11869 * loop.c (rest_of_handle_loop_optimize): Test for
11870 -fprefetch-loop-arrays-rtl.
11871 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11872 * timevar.def (TV_TREE_PREFETCH): New timevar.
11873 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11874 pass_loop_prefetch): New.
11875 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11876 (cleanup_tree_cfg_loop): Call scev_reset.
11877 * common.opt (fprefetch-loop-arrays-rtl): Add.
11878 * tree-ssa-loop-prefetch.c: New file.
11879 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11880 (new_temp_expr_table): Initialize expr_vars.
11881 (free_temp_expr_table): Cleanup expr_vars.
11882 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11883 expressions from being merged into one.
11884 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11885 (struct tree_niter_desc): Add control, bound and cmp fields.
11886 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11888 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11889 (tree-cfgcleanup.o): Add SCEV_H dependency.
11890 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11891 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11893 2006-02-14 Richard Guenther <rguenther@suse.de>
11895 PR tree-optimization/26258
11896 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11897 in PHI argument processing.
11899 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11901 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11902 new expression in the requested machine mode.
11904 2006-02-13 Roger Sayle <roger@eyesopen.com>
11906 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11907 directly, instead let do_compare_rtx_and_jump handle this for us.
11908 * expr.c (expand_expr_real_1): Likewise.
11909 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11910 before do_jump_by_parts_greater.
11911 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11912 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11914 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11916 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11918 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11920 PR rtl-optimization/26235
11921 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11922 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11925 2006-02-13 Jeff Law <law@redhat.com>
11927 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11930 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11932 PR middle-end/26092
11933 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11934 twice if decl is a builtin. When trying again, call get_callee_fndecl
11935 first to verify it is still a builtin.
11937 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11939 * dwarf2out.c (base_type_die): Don't add AT_name here.
11940 (subrange_type_die): Don't add AT_name here.
11941 (modified_type_die): Rearrange code flow. Do add AT_name here.
11943 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11945 PR rtl-optimization/26247
11946 PR rtl-optimization/26248
11947 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11949 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11951 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11952 * config/fixtfdi.c: Likewise.
11953 * config/fixunstfdi.c: Likewise.
11954 * config/floatditf.c: Likewise.
11956 2006-02-13 Roger Sayle <roger@eyesopen.com>
11958 PR middle-end/24427
11959 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11960 into (X,C2) if C1 is a subset of the bits of C2. Transform
11961 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11963 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11965 2006-02-13 Josh Conner <jconner@apple.com>
11968 * varasm.c (function_section): Check for section name before
11969 calling select_section on targets that define
11970 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11971 unlikely_text_section instead of hot_function_section if
11972 first_function_block_is_cold.
11974 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11976 PR middle-end/25335
11977 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11979 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11981 PR rtl-optimization/26222
11982 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11983 after tree->rtl expansion.
11984 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11985 before passing it to emit_move_insn.
11987 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11989 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11991 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11992 Clarify documentation.
11993 * c-common.h (warn_write_strings): Remove.
11994 * c-common.c (warn_write_strings): Likewise.
11995 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11998 2006-02-12 Roger Sayle <roger@eyesopen.com>
12000 PR middle-end/25724
12001 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12002 (do_jump_parts_zero_rtx): New function renamed from
12003 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12004 (do_jump_parts_equality_rtx): New function split out from
12005 do_jump_parts_equality. Old implementation renamed as above.
12006 Call do_jump_parts_zero_rtx if either operand is zero.
12007 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12008 do all of the heavy lifting.
12009 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12010 calling either do_jump_by_parts_greater_rtx or
12011 do_jump_by_parts_equality_rtx.
12012 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12013 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12014 moved to do_compare_rtx_and_jump, call it directly.
12015 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12016 mode argument. Call do_compare_rtx_and_jump.
12017 (emit_case_nodes): Update calls to do_jump_if_equal.
12019 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12021 PR rtl-optimization/26225
12022 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12024 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12026 PR rtl-optimization/26232
12027 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12029 2006-02-11 Jason Merrill <jason@redhat.com>
12032 * tree-inline.c (declare_return_variable): Just don't use the
12033 modify target if it's a gimple complex reg and the return slot
12036 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12038 * doc/contrib.texi: Update my entry.
12040 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12042 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12044 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12046 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12049 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12051 * doc/invoke.texi (-floop-optimize2): Removed.
12052 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12053 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12054 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12055 * common.opt (floop-optimize2): Removed.
12056 (fmove-loop-invariants): Enabled by default.
12058 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12060 * tree-if-conv.c (combine_blocks): Free the result of
12061 get_loop_exit_edges.
12063 2006-02-10 Jeff Law <law@redhat.com>
12065 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12067 PR tree-optimization/26213
12068 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12069 loop trying to follow SSA_NAME_VALUE chains.
12071 2006-02-10 Richard Guenther <rguenther@suse.de>
12073 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12074 deal with structures that end in implicitly variable sized arrays.
12076 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12078 PR rtl-optimization/24762
12079 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12082 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12084 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12085 (struct ivopts_data): Add regs_used field.
12086 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12087 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12088 instead of loop_data->regs_used;
12089 (free_loop_data): Do not free aux fields for loops.
12090 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12091 and tree_ssa_iv_optimize_finalize.
12093 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12095 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12097 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12100 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12101 computing the effective result type.
12103 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12105 PR inline-asm/16194
12106 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12107 (tree_overlaps_hard_reg_set): Declare.
12108 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12109 type and signature to match function type expected by walk_tree.
12110 (tree_overlaps_hard_reg_set): New function.
12111 (decl_conflicts_with_clobbers_p): Rename to:
12112 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12113 Use tree_overlaps_hard_reg_set. Changed caller.
12114 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12115 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12116 * cris.c (cris_md_asm_clobbers): Likewise.
12118 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12120 * reload1.c (emit_input_reload_insns): Delete code that tries to
12121 inherit using find_equiv_reg.
12123 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12125 * c-common.h (flag_const_strings): Don't declare.
12126 * c-common.c (flag_const_strings): Remove.
12127 * c.opt (fconst_strings): Remove.
12128 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12129 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12130 (c_common_init_options): Don't set flag_const_strings.
12131 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12133 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12135 * arm.md (tlobits_cbranch): New pattern.
12136 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12137 testing a single bit.
12139 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12142 * tree-ssa-pre.c (create_component_ref_by_pieces):
12143 Handle RETURN_DECL like VAR_DECL.
12145 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12147 PR middle-end/26134
12148 * fold-const.c (fold_indirect_ref_1): Fold
12149 "*(foo *)&complexfoo" to "__real__ complexfoo"
12150 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12152 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12154 * tree-flow-inline.h (var_can_have_subvars):
12155 Volatile variables should not have subvariables.
12157 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12160 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12161 multiplying unsigned values.
12164 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12166 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12168 2006-02-08 Jason Merrill <jason@redhat.com>
12171 * tree.def: Elaborate on difference from MODIFY_EXPR.
12172 * doc/c-tree.texi (INIT_EXPR): Likewise.
12173 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12174 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12175 (gimplify_target_expr): Likewise.
12176 (gimplify_cond_expr): Remove target handling.
12177 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12178 (gimplify_expr): Clobber it here.
12179 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12180 Do return slot optimization if we have an INIT_EXPR.
12183 * tree-inline.c (declare_return_variable): Also clear
12184 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12187 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12189 PR middle-end/22439
12190 * gimplify.c (gimplify_one_sizepos): Fix typo.
12192 2006-02-08 Jeff Law <law@redhat.com>
12194 PR tree-optimization/21417
12195 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12196 across a backedge if the control statement at the end of the
12197 block is data dependent on other statements in the same block.
12198 (record_temporary_equivalences_from_stmts): Remove over-conservative
12199 test for threading across backedges.
12201 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12202 control statement, handle all three special cases in the same
12203 manner as they all have the same desired solution. No longer
12204 special case edge flag updating when the post dominator is
12207 2006-02-08 Roger Sayle <roger@eyesopen.com>
12209 * tree.def (CHAR_TYPE): Remove.
12210 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12211 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12212 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12213 (gen_string_type_die): Delete unreachable function.
12215 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12216 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12217 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12218 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12219 * builtins.c (type_to_class): Likewise.
12220 * fold-const.c (fold_convert, build_range_check,
12221 merge_ranges): Likewise.
12222 * expr.c (count_type_elements): Likewise.
12223 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12224 * stor-layout.c (layout_type): Likewise.
12225 * ipa-type-escape.c (type_to_consider): Likewise.
12226 * gimplify.c (omp_firstprivatize_type_sizes,
12227 gimplify_type_sizes): Likewise.
12228 * explow.c (promote_mode): Likewise.
12229 * tree-sra.c (is_sra_scalar_type): Likewise.
12230 * varasm.c (output_constant): Likewise.
12231 * tree-inline.c (remap_type_1): Likewise.
12232 * convert.c (convert_to_pointer, convert_to_real,
12233 convert_to_integer, convert_to_complex): Likewise.
12235 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12237 * df-scan.c (df_def_record_1): A set destination may
12238 be a parallel regardless of mode.
12240 2006-02-08 Roger Sayle <roger@eyesopen.com>
12243 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12244 * config/mips/_tilib.c: Remove.
12245 * config/fixtfdi.c: New libgcc source file.
12246 * config/fixunstfdi.c: New source file.
12247 * config/floatditf.c: New source file.
12248 * config/floatunditf.c: New souce file.
12249 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12250 files above instead of config/mips/_tilib.c.
12251 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12253 2006-02-08 Jeff Law <law@redhat.com>
12255 PR tree-optimization/26169
12256 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12259 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12261 * df.h (DF_REG_SIZE): Return the length of the initialized
12264 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12266 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12267 __muldf3): Return a correctly signed zero.
12269 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12271 * passes.c (register_one_dump_file): Accept the current properties
12272 instead of pass number. Adjust call to dump_register. Remove
12274 (register_dump_files): Now a wrapper around...
12275 (register_dump_files_1): ... this one. Do not modify the pass
12277 (next_pass_1): Cosmetic fix.
12278 (execute_todo): Keep second parameter only. Use curr_properties
12279 instead of fetching it from the pass structure. Check and set
12281 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12282 instead of fetching it from the pass structure. Fix calls to
12283 execute_todo. Update curr_properties and initialize .vcg RTL dump
12284 after running the pass. Reset last_verified.
12285 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12287 (FIRST_AUTO_NUMBERED_DUMP): New.
12288 (dump_register): Remove "num" parameter, assign it within the
12290 (get_dump_file_name): Modify template for dumps.
12291 * tree-dump.h (dump_register): Adjust prototype.
12292 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12293 (PROP_trees): Add PROP_gimple_lomp.
12294 (TODO_set_props): New.
12295 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12296 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12297 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12299 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12301 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12302 (sparc64-*-linux*): Likewise.
12303 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12304 * config/sparc/t-linux: New file.
12305 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12306 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12307 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12308 -m32 -mlong-double-128.
12310 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12311 * config/alpha/t-linux: New file.
12312 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12314 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12315 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12316 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12317 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12318 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12319 (CPP_ARCH32_SPEC): Remove.
12321 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12323 PR tree-optimization/26145
12324 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12327 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12330 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12331 >= 240000 when generating code for SOM runtime.
12332 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12333 to $$dyncall when generating code for SOM runtime..
12335 2006-02-07 Dirk Mueller <dmueller@suse.com>
12338 * doc/invoke.texi (-Wsequence-point): Update documentation
12339 that -Wsequence-point is implemented for C++ as well.
12341 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12343 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12344 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12345 (LIB_SPEC): Likewise.
12346 * doc/invoke.texi (SPARC options): Document -pthread.
12348 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12350 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12353 2006-02-07 Roger Sayle <roger@eyesopen.com>
12355 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12356 Correct comment describing BOOLEAN_TYPE.
12358 2006-02-07 Dirk Mueller <dmueller@suse.com>
12360 * c.opt: C++ frontend supports -Wdiv-by-zero.
12361 * c-opts.c (c_common_handle_option): Remove dead case.
12363 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12365 * configure.ac (TLS assembler check): Do not enable TLS by
12366 default on SPARC/Solaris before version 10.
12367 * configure: Regenerate.
12369 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12371 * doc/invoke.texi (xl-compat): Document conversion and support
12374 2006-02-07 Jeff Law <law@redhat.com>
12376 * tree-vrp.c (find_conditional_asserts): Update comments.
12377 (simplify_stmt_for_jump_threading): New.
12378 (identify_jump_threads, finalize_jump_threads): New.
12379 (vrp_finalize): Call identify_jump_threads.
12380 (execute_vrp): Call finalize_jump_threads.
12381 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12382 (vrp_element, vrp_data, vrp_element_p): Remove.
12383 (vrp_hash_elt, vrp_variables_stack): Remove.
12384 (vrp_hash, vrp_eq, record_range): Remove.
12385 (simplify_cond_and_lookup_avail_expr): Remove.
12386 (extract_range_from_cond): Remove.
12387 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12388 (simplify_stmt_for_jump_threading): New.
12389 (dom_thread_across_edge): New wrapper.
12390 (tree_ssa_dominator_optimize): No longer initialize or
12391 finalize any of the VRP datastructures. Remove iteration
12392 step and simplify as a result of removal of iteration step.
12393 (pass_dominator): Perform a cfg cleanup after DOM.
12394 (dom_opt_finalize_block): Use the new common routines
12395 for threading jumps. Simplify stack management slightly.
12396 No longer need to unwind VRP state.
12397 (record_equivalences_from_incoming_edge): No longer record
12399 (eliminate_redundant_computations): No longer call
12400 simplify_cond_and_lookup_avail_expr.
12401 * tree-flow.h (potentially_threadable_block): Prototype.
12402 (thread_across_edge): Likewise.
12403 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12404 (tree-ssa-threadedge.o): Add dependencies.
12405 * tree-ssa-threadedge.c: New file.
12406 * passes.c (init_optimization_passes): Merge PHIs before
12407 calling VRP. Run VRP again late in the SSA optimization pipeline.
12409 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12411 * df-core.c (df_set_blocks): Do not dereference function pointers.
12412 (df_finish1): Likewise.
12413 (df_hybrid_search_forward): Likewise.
12414 (df_hybrid_search_backward): Likewise.
12415 (df_iterative_dataflow): Likewise.
12416 (df_analyze_problem): Likewise.
12417 (df_compact_blocks): Likewise.
12418 (df_dump): Likewise.
12419 * df-scan.c (df_rescan_blocks): Likewise.
12420 (df_record_entry_block_defs): Likewise.
12422 * genconditions.c (write_conditions): Guard the definition of
12423 'insn_conditions' with the check on GCC version.
12424 (write_writer): Guard the traversal 'insn_conditions' with
12425 the check on GCC version.
12427 2006-02-07 Richard Guenther <rguenther@suse.de>
12431 2006-01-30 Richard Guenther <rguenther@suse.de>
12433 * gimplify.c (gimplify_target_expr): Handle easy cases
12434 without creating a temporary.
12436 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12438 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12439 use of float in probability computations. Use edge probabilities
12440 in place of statically computed probabilities.
12441 (min_spec_prob): New static variable.
12442 (schedule_insns): Initialize it.
12443 (GET_SRC_PROB): Removed.
12444 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12446 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12449 * config/ia64/unwind-ia64.c: Revert last change.
12450 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12451 (INCOMING_FRAME_SP_OFFSET): Define.
12453 2006-02-06 Roger Sayle <roger@eyesopen.com>
12455 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12457 2006-02-07 Ben Elliston <bje@au.ibm.com>
12459 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12460 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12461 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12462 (ix86_return_in_memory): Handle TDmode.
12463 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12464 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12466 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12468 * reorg.c (dbr_schedule): Use dump_file instead of file.
12470 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12473 * config/ia64/predicates.md (extr_len_operand): New predicate.
12474 * config/ia64/ia64.md (extv): Tighten constraints.
12476 (*tbit_and_2): Ditto.
12477 (*tbit_and_3): Ditto.
12478 (*tbit_or_2): Ditto.
12479 (*tbit_or_3): Ditto.
12480 (*bit_zero): Ditto.
12483 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12486 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12488 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12490 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12491 loop_optimizer_init and loop_optimizer_finalize
12492 * tree-ssa-sink.c (execute_sink_code): Ditto.
12493 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12494 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12495 tree_ssa_loop_done): Ditto.
12496 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12497 * sched-ebb.c: Include output.h.
12498 (schedule_ebbs): Do not use dump argument.
12499 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12500 * loop.c (loop_dump_stream): Removed.
12501 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12503 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12504 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12505 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12506 loop_iterations, strength_reduce, record_biv, record_giv,
12507 final_giv_value, check_final_value, check_ext_dependent_givs,
12508 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12509 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12510 dump_file instead of loop_dump_stream.
12511 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12512 argument dump_file.
12513 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12515 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12516 * haifa-sched.c: Include output.h
12517 (schedule_insns, sched_init): Do not use dump argument.
12518 * mode-switching.c (optimize_mode_switching): Ditto.
12519 * modulo-sched.c (stats_file): Removed.
12520 (print_node_sched_params): Do not call argument dump_file.
12521 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12522 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12524 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12526 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12527 rtl_loop_init, rtl_loop_done): Ditto.
12528 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12529 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12531 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12532 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12533 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12534 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12535 * emit-rtl.c (renumber_insns): Ditto.
12536 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12537 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12538 * regclass.c (regclass): Ditto.
12539 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12540 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12541 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12542 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12544 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12545 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12547 * gcse.c (gcse_file, debug_stderr): Removed.
12548 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12549 rest_of_handle_gcse): Do not use dump argument.
12550 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12551 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12552 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12553 compute_code_hoist_vbeinout, compute_code_hoist_data,
12554 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12555 compute_store_table, build_store_vectors, insert_insn_start_bb,
12556 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12557 store_motion): Use dump_file instead of gcse_file.
12558 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12559 * profile.c (profile_dump_file): Removed.
12560 (branch_prob): Use dump_file instead of profile_dump_file.
12561 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12563 * tree-ssa-copy.c (dump_copy_of): Ditto.
12564 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12565 dump file to life_analysis.
12566 * bt-load.c (branch_target_load_optimize): Ditto.
12567 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12569 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12570 regclass, dbr_schedule): Declaration changed.
12571 * sched-int.h (sched_init): Declaration changed.
12572 * tree-profile.c (tree_profile_dump_file): Removed.
12573 (tree_profile_hooks): Removed profile_dump_file hook.
12574 * rtl-profile (rtl_profile_dump_file): Removed.
12575 (rtl_profile_hooks): emoved profile_dump_file hook.
12576 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12578 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12579 * tree-cfg.c (build_tree_cfg): Ditto.
12580 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12581 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12582 Declaration changed.
12583 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12584 life_analysis and schedule_insns.
12585 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12587 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12589 * config/mips/mips.c (mips_reorg): Ditto.
12590 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12593 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12595 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12596 (s390_mangle_fundamental_type): New.
12597 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12600 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12601 (alpha_mangle_fundamental_type): New.
12602 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12605 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12607 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12609 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12610 (sparc_mangle_fundamental_type): New.
12612 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12614 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12615 (s390x-*-linux*): Likewise.
12616 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12617 * config/s390/t-linux: New file.
12619 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12621 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12622 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12624 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12626 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12627 (ANTIC_SAFE_LOADS): New macro.
12628 (find_or_generate_expression): Add prototype.
12629 (set_contains_value): Allow null set for sake of not always having
12630 to allocate ANTIC_SAFE_LOADS.
12631 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12632 Allow COMPONENT_REF too.
12633 (valid_in_set): Allow COMPONENT_REF.
12634 Check ANTIC_SAFE_LOADS too.
12635 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12636 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12638 (can_PRE_operation): Add COMPONENT_REF.
12639 (create_component_ref_by_pieces): New function.
12640 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12641 (insert_aux): Move AGGREGATE_TYPE_P check here.
12642 (compute_avail): Set bb local stmt uids.
12643 (pass_pre): Use TODO_update_ssa_only_virtuals.
12645 2006-02-06 Ben Elliston <bje@au.ibm.com>
12647 * configure.ac: Unconditionally disable decimal float by default.
12648 * configure: Regenerate.
12650 2006-02-06 Ben Elliston <bje@au.ibm.com>
12652 * read-rtl.c (read_name): Terminate reading on EOF.
12654 2006-02-06 Ben Elliston <bje@au.ibm.com>
12656 * dfp.c (decimal_real_arithmetic): Change second argument type
12657 from int to enum tree_code. Do not always return true, but now
12658 return result of any call to decimal_do helper functions.
12659 * dfp.h (decimal_real_arithmetic): Update prototype.
12661 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12663 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12665 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12668 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12671 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12673 * tree-vrp.c (cfg_loops): Removed.
12674 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12675 Use current_loops instead of cfg_loops. Pass flags to
12676 loop_optimizer_init.
12677 * cfgloopmanip.c (fix_loop_structure): Update only available
12679 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12680 loop_optimizer_init.
12681 * modulo-sched.c (build_loops_structure): Removed.
12682 (sms_schedule): Use loop_optimizer_init.
12683 * loop-init.c (loop_optimizer_init): Use flags to determine
12684 which properties of loops to prepare.
12685 (rtl_loop_init): Pass flags to loop_optimizer_init.
12686 * tree-ssa-sink.c (execute_sink_code): Ditto.
12687 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12688 * tree-ssa-pre.c (init_pre): Ditto.
12689 * cfgloop.h (LOOPS_NORMAL): New.
12690 (loop_optimizer_init): Declaration changed.
12692 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12694 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12695 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12697 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12699 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12701 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12702 * pa/t-pa64: Delete quadlib.c rule.
12703 * pa/x-ada: Revert last change.
12704 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12706 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12708 PR rtl-optimization/26087
12709 * rtlanal.c (canonicalize_condition): Do not cross basic block
12712 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12715 * config/ia64/ia64.c: Include debug.h.
12716 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12717 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12718 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12719 (process_epilogue, process_set, process_for_unwind_directive):
12720 Output unwind info only if requested. Add CFA info if requested.
12721 Add new arguments as needed. Adjust callers.
12722 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12724 (DWARF2_FRAME_INFO): Define to zero.
12725 * config/ia64/unwind-ia64.c: Remove code that compensated for
12726 the CFA offset error fixed above.
12727 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12728 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12729 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12730 -funwind-tables and -fexceptions to enable frame info.
12731 (dwarf2out_frame_init): Define initial CFA even if
12732 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12733 DWARF2_UNWIND_INFO is nonzero, not just defined.
12734 (dwarf2out_frame_finish): Output non-EH call frame info only
12735 if DWARF2_FRAME_INFO is nonzero.
12736 (convert_cfa_to_loc_list,
12737 compute_frame_pointer_to_cfa_displacement): Define even if
12738 unwind info is not supported.
12739 (gen_subprogram_die): Use the above unconditionally. Remove
12740 legacy alternate code.
12741 * toplev.c (compile_file): Compile in call to
12742 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12743 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12745 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12746 Jakub Jelinek <jakub@redhat.com>
12748 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12749 IBM extended float format long double as "g" on powerpc*-linux.
12751 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12754 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12755 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12757 2006-02-03 Jason Merrill <jason@redhat.com>
12760 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12762 PR middle-end/25977
12763 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12764 on the return slot if it's an NRV.
12766 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12768 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12769 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12770 rewrite_use): Do not handle USE_OUTER.
12771 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12772 add_iv_outer_candidates, may_replace_final_value,
12773 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12774 (find_interesting_uses_op): Functionality of
12775 find_interesting_uses_outer_or_nonlin moved here.
12776 (find_interesting_uses_outside): Use find_interesting_uses_op.
12778 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12781 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12783 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12784 Ulrich Weigand <uweigand@de.ibm.com>
12787 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12788 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12789 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12790 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12792 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12793 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12794 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12795 Define secondary reloads for TFmode moves.
12796 (constant_modes): Add TFmode.
12797 (NR_C_MODES): Set to 8.
12798 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12800 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12801 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12802 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12803 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12804 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12805 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12806 (FPR mode macro): Add TFmode.
12807 (DSF mode macro): New.
12808 (<de>, <dee> mode attributes): Removed.
12809 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12810 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12811 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12812 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12813 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12814 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12815 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12816 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12817 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12818 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12819 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12820 "*negabs<mode>2", "sqrt<mode>2"):
12821 Changed <de> to <xde>. R constraint replaced by <Rf>.
12822 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12824 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12825 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12826 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12828 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12829 "extenddftf2", "extendsftf2"): New expanders.
12830 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12831 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12832 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12833 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12835 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12836 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12837 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12838 __floatditf): Add a GCC_4.1.0 symbol version tag.
12839 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12842 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12845 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12846 Use targetm.binds_local_p instead of TREE_PUBLIC.
12848 2006-02-02 Roger Sayle <roger@eyesopen.com>
12850 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12851 on INTEGER_TYPEs to indicate that it denotes a character type.
12852 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12853 signed_char_type_node, unsigned_char_type_node and char_type_node.
12854 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12855 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12856 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12858 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12859 Daniel Berlin <dberlin@dberlin.org>
12861 * tree-tailcall.c (arg_needs_copy_p): New function.
12862 (eliminate_tail_call): Use arg_needs_copy_p.
12863 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12864 (add_virtual_phis): New function.
12866 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12868 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12869 #ignore instead of #scratch for %g7 .register directive.
12871 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12873 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12876 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12878 * flow.c (calculate_global_regs_live): Assert that there aren't any
12881 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12883 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12884 what its name says.
12885 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12886 bsi_after_labels iterator.
12887 * tree-if-conv.c (find_phi_replacement_condition,
12888 replace_phi_with_cond_modify_expr): Likewise.
12889 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12890 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12892 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12894 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12896 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12899 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12900 array after growing it.
12902 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12904 PR middle-end/24901
12905 * fold-const.c (fold_checksum_tree): Change type of buf.
12907 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12909 * reload.c (push_secondary_reload): Initialize t_icode.
12911 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12913 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12914 -msoft-float -mlong-double-128 only issue a warning, but don't
12915 swich to DFmode long double.
12917 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12919 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12920 has a constant equivalent, iterate over equivalents for arg0,
12921 calling simplify_relational_operation and if there's a result
12922 cheaper than X, apply fold_rtx and return the result.
12924 2006-02-01 Jan Hubicka <jh@suse.cz>
12926 * opts.c (no_unit_at_a_time_default): New global variable.
12927 (decode_options): Use it.
12928 * opts.h (no_unit_at_a_time_default): Declare.
12930 2006-02-01 Paul Brook <paul@codesourcery.com>
12932 * function.c (assign_parm_setup_reg): Use function argument promotion
12934 * expr.c (expand_expr_real_1): Use function argument promotion rules
12937 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12939 * gcc.c (process_command): Change j to 'unsigned int'.
12941 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12943 PR middle-end/26001
12944 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12945 Use the corrected index for the character
12946 out of the string constant.
12948 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12950 * mode-switching.c (optimize_mode_switching): Fix size
12951 allocated for bb_info[n_entities].
12953 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12955 * gcc.c (main): Correct type that is allocated for
12956 explicit_link_files.
12958 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12960 * config/s390/s390.c (init_alignment_context): Set
12961 ALIAS_SET_MEMORY_BARRIER on the MEM.
12962 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12964 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12966 PR middle-end/25933
12967 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12969 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12972 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12974 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12975 * regrename.c: Ditto.
12976 * tree-ssa-loop-im.c: Ditto.
12977 * tree-dump.c: Ditto.
12978 * tree-complex.c: Ditto.
12979 * genrecog.c: Ditto.
12980 * tree-ssa-threadupdate.c: Ditto.
12982 * java/class.c: Ditto.
12983 * java/jcf-parse.c: Ditto.
12984 * java/resource.c: Ditto.
12985 * java/except.c: Ditto.
12986 * java/jvspec.c: Ditto.
12987 * java/jcf-write.c: Ditto.
12988 * java/jcf-path.c: Ditto.
12989 * java/gjavah.c: Ditto.
12990 * java/zextract.c: Ditto.
12991 * java/jcf-io.c: Ditto.
12992 * java/jcf.h: Ditto.
12993 * java/buffer.c: Ditto.
12994 * java/lang.c: Ditto.
12995 * java/parse-scan.y: Ditto.
12996 * java/lex.c: Ditto.
12997 * java/lex.h: Ditto.
12998 * cfgloopmanip.c: Ditto.
12999 * postreload-gcse.c: Ditto.
13000 * tree-ssa-loop-manip.c: Ditto.
13001 * postreload.c: Ditto.
13002 * tree-ssa-loop-ch.c: Ditto.
13005 * cppspec.c: Ditto.
13006 * diagnostic.c: Ditto.
13008 * genoutput.c: Ditto.
13010 * cfghooks.c: Ditto.
13011 * cfgloopanal.c: Ditto.
13012 * objc/objc-act.c: Ditto.
13014 * genextract.c: Ditto.
13015 * genautomata.c: Ditto.
13016 * pretty-print.c: Ditto.
13017 * genemit.c: Ditto.
13018 * cgraphunit.c: Ditto.
13020 * df-scan.c: Ditto.
13021 * haifa-sched.c: Ditto.
13022 * dominance.c: Ditto.
13024 * tree-ssa-loop-ivopts.c: Ditto.
13025 * df-core.c: Ditto.
13026 * mode-switching.c: Ditto.
13027 * modulo-sched.c: Ditto.
13029 * ipa-pure-const.c: Ditto.
13031 * fix-header.c: Ditto.
13033 * tree-stdarg.c: Ditto.
13034 * ipa-utils.c: Ditto.
13035 * loop-init.c: Ditto.
13036 * ipa-inline.c: Ditto.
13037 * cfganal.c: Ditto.
13039 * alloc-pool.c: Ditto.
13040 * dwarf2out.c: Ditto.
13042 * genattrtab.c: Ditto.
13043 * tree-ssa-loop-ivcanon.c: Ditto.
13044 * predict.c: Ditto.
13045 * timevar.c: Ditto.
13047 * fortran/gfortranspec.c: Ditto.
13048 * regmove.c: Ditto.
13049 * local-alloc.c: Ditto.
13050 * langhooks.c: Ditto.
13051 * function.c: Ditto.
13052 * tree-vectorizer.c: Ditto.
13054 * ipa-type-escape.c: Ditto.
13056 * tree-if-conv.c: Ditto.
13057 * profile.c: Ditto.
13059 * tree-data-ref.c: Ditto.
13060 * loop-unroll.c: Ditto.
13061 * treelang/treetree.c: Ditto.
13063 * bt-load.c: Ditto.
13064 * ggc-common.c: Ditto.
13066 * coverage.c: Ditto.
13068 * tree-cfgcleanup.c: Ditto.
13069 * tree-ssa-pre.c: Ditto.
13070 * cfgcleanup.c: Ditto.
13071 * loop-invariant.c: Ditto.
13072 * loop-iv.c: Ditto.
13073 * ipa-prop.c: Ditto.
13074 * print-tree.c: Ditto.
13075 * conflict.c: Ditto.
13076 * ggc-page.c: Ditto.
13077 * sched-deps.c: Ditto.
13078 * regclass.c: Ditto.
13079 * tree-object-size.c: Ditto.
13080 * combine.c: Ditto.
13081 * bb-reorder.c: Ditto.
13082 * resource.c: Ditto.
13083 * var-tracking.c: Ditto.
13084 * cfgloop.c: Ditto.
13085 * df-problems.c: Ditto.
13086 * reg-stack.c: Ditto.
13088 * gccspec.c: Ditto.
13089 * sched-rgn.c: Ditto.
13090 * tree-ssa-structalias.c: Ditto.
13091 * tree-ssa-reassoc.c: Ditto.
13092 * config/darwin-c.c: Ditto.
13093 * config/darwin.c: Ditto.
13094 * config/arm/arm.c: Ditto.
13096 * collect2.c: Ditto.
13097 * reload1.c: Ditto.
13099 2006-01-31 Nicolas Pitre <nico@cam.org>
13101 * arm.md (smaxsi3): Make aware of smax_m1.
13104 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13106 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13108 2006-01-31 Richard Guenther <rguenther@suse.de>
13110 * doc/invoke.texi (-msselibm): Document.
13111 * target.h (expand_library_builtin): New target hook.
13112 * builtins.c (expand_builtin): Use expand_library_builtin.
13113 (default_expand_library_builtin): New function.
13114 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13115 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13116 (link_gcc_math_spec): Declare.
13117 (static_specs): Add link_gcc_math_spec.
13118 * expr.h (default_expand_library_builtin): Declare.
13119 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13120 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13121 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13122 * config/i386/i386.opt (msselibm): New target option.
13123 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13124 (ix86_init_sse_abi_builtins): New function.
13125 (ix86_expand_library_builtin): Likewise.
13126 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13127 (override_options): Handle error conditions wrt -msselibm.
13128 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13129 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13130 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13133 2006-01-31 Richard Guenther <rguenther@suse.de>
13134 Paolo Bonzini <bonzini@gnu.org>
13136 * doc/install.texi (--disable-libgcc-math): Document.
13138 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13140 * expr.h (expand_normal): new inline function.
13141 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13142 * dojump.c: use it.
13143 * dwarf2out.c: use it.
13146 * expmed.c: use it.
13147 * except.c: use it.
13148 * config/sparc/sparc.c: use it.
13149 * config/i386/i386.c: use it.
13150 * config/rs6000/rs6000.c: use it.
13151 * config/arm/arm.c: use it.
13152 * config/mips/mips.c: use it.
13153 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13155 2006-01-30 Roger Sayle <roger@eyesopen.com>
13157 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13158 argv to the appropriate type.
13160 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13162 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13165 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13168 * config/s390/s390.c (struct machine_function): New flag
13169 decomposed_literal_pool_addresses_ok_p.
13170 (s390_reorg): Set it before final stage of literal pool transforms.
13171 (s390_decompose_address): Only accept displacements of the form
13172 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13174 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13176 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13177 the comparison routine return.
13179 2006-01-30 Michael Matz <matz@suse.de>
13181 * global.c (find_reg): Only evict for global regs.
13182 Take n_refs into account and dump more info.
13184 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13187 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13188 (pragma_trap, pragma_nosave_low_regs): Likewise.
13189 (current_function_anonymous_args): Likewise.
13190 (sh_deferred_function_attributes): New variable.
13191 (sh_deferred_function_attributes_tail): Likewise.
13192 (print_operand): For '@', look up trap_exit attribute.
13193 (calc_live_regs): Look up trapa_handler attribute. For trapa
13194 handlers, save/restore fpscr, but don't do any other
13195 interrupt-specific saves.
13196 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13197 Fix check for partially saved registers to check for SHmedia.
13198 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13199 (sh_output_function_epilogue): Don't clear any of the removed
13201 (sh_insert_attributes): Don't check pragma_interrupt.
13202 Insert deferred attributes. Check that interrupt attribute is
13203 present for other attributes that require its presence.
13204 (sh_attribute_table): Add new attributes trapa_handler and
13206 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13207 Don't check for pragma_interrupt. Don't store argument.
13208 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13209 (sh_deferred_function_attributes): Declare.
13210 (sh_deferred_function_attributes_tail): Likewise.
13211 * sh.md (sp_switch_1): Add operand. Change generator caller.
13212 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13213 (*return_i): Don't use when trap_exit attribute is in effect.
13214 (*return_trapa): New insn pattern.
13215 * sh-c.c: New file.
13216 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13217 setting c_target_objs and cxx_target_objs.
13218 * t-sh: Add rule for sh-c.o.
13220 2006-01-30 Richard Guenther <rguenther@suse.de>
13223 * gimplify.c (gimplify_target_expr): Handle easy cases
13224 without creating a temporary.
13226 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13228 * vec.h (safe_grow): Remove duplicated line.
13230 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13233 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13234 (expand_omp): ... here.
13235 (expand_omp_parallel): Only remove barriers for combined
13236 parallel+workshare constructs.
13238 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13242 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13243 * tree.c (build_qualified_type): Chain the new type to the original
13244 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13245 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13246 (build_pointer_type_for_mode): Only return unqualified types.
13247 (build_reference_type_for_mode): Likewise.
13249 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13251 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13252 * Makefile.in (CXX_COMPAT_WARN): Define.
13253 * configure: Regenerate.
13255 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13258 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13261 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13263 * toplev.c: Fix thinko.
13265 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13266 Marcin Dalecki <martin@dalecki.de>
13268 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13269 (push_srcloc): Use XNEW.
13270 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13272 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13274 * df-core.c (df_set_blocks): Deleted all variable.
13276 2006-01-28 Ian Lance Taylor <ian@airs.com>
13278 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13279 cgraph_output_pending_asms.
13281 2006-01-28 Zack Weinberg <zackw@panix.com>
13283 * c.opt: Add -W(no-)overlength-strings.
13284 * doc/invoke.texi: Document it.
13285 * c-opts.c (c_common_handle_option): -pedantic implies
13286 -Woverlength-strings, if not explicitly disabled already.
13287 (c_common_post_options): -Woverlength-strings defaults to off, and
13288 is always off for C++.
13289 * c-common.c (fix_string_type): Issue warning about strings longer
13290 than is portable only if warn_overlength_strings. Rearrange code
13291 a little for clarity.
13292 * configure.in: Check for -Wno-overlength-strings as well before
13293 enabling -pedantic in stage 1.
13294 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13295 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13297 * genconditions.c (write_header, write_one_condition)
13298 (write_conditions, write_writer): Consolidate very long strings
13299 that were broken up to fit in C89 portable limit. Don't use
13300 printf when fputs will do.
13302 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13304 * combine.c (simplify_comparison <AND>): Check
13305 TRULY_NOOP_TRUNCATION before start using a subreg.
13307 * config/mips/mips.md (*branch_zero<mode>,
13308 *branch_zero<mode>_inverted, *branch_equality<mode>,
13309 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13310 Remove mode check from comparisons.
13312 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13314 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13316 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13318 * expmed.c (const_mult_add_overflow_p): Remove.
13319 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13321 * recog.c (validate_replace_rtx_subexp): Remove.
13322 * recog.h: Remove the prototype for
13323 validate_replace_rtx_subexp.
13325 * integrate.h: Remove the prototype for
13326 copy_decl_for_inlining.
13327 * rtl.h: Remove the prototype for mark_constant_function.
13328 * tree-vectorizer.h: Remove the prototype for
13329 vect_strip_conversion.
13331 * modulo-sched.c (create_partial_schedule,
13332 free_partial_schedule, reset_partial_schedule): Make them
13335 * hooks.c (hook_bool_rtx_int_false): Remove.
13336 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13338 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13340 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13341 and -mlong-double-128 are incompatible.
13342 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13343 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13344 (TARGET_LIBGCC2_CFLAGS): Define.
13345 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13346 (TARGET_LIBGCC2_CFLAGS): Same.
13347 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13349 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13352 * c-typeck.c (build_binary_op): Perform implicit casts of
13353 operands before shortening them.
13355 * cfgloopmanip.c (split_loop_bb): Remove.
13356 * cfgloop.h: Remove the prototype for split_loop_bb.
13358 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13359 * cfgloop.h: Remove the prototype for
13360 flow_loop_outside_edge_p.
13362 * emit-rtl.c (init_virtual_regs): Make it static.
13363 * function.h: Remove the prototype for init_virtual_regs.
13365 * recog.c (peephole2_optimize): Make it static.
13366 * recog.h: Remove the prototype for peephole2_optimize.
13368 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13370 * df-scan.c (df_record_entry_block_defs): Check if
13371 INCOMING_RETURN_ADDR_RTX is defined.
13373 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13374 Kenneth Zadeck <zadeck@naturalbridge.com>
13376 PR rtl-optimization/24762
13377 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13378 * targhooks.c (hook_void_bitmap): New hook prototype.
13379 * targhoohs.h (hook_void_bitmap): Ditto.
13380 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13381 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13382 * target.h (live_on_entry): New function pointer.
13383 * df-scan.c (df_all_hard_regs): Removed.
13384 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13385 (df_scan_free_internal): Added df->entry_block_defs.
13386 (df_scan_alloc): Ditto.
13387 (df_scan_dump): Ditto.
13388 (df_uses_record): Plumbed flag field properly thru calls.
13389 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13390 This part fixes PR24762.
13391 (df_bb_refs_record): Added code to make the frame and arg
13392 pointers live in EH blocks.
13393 (df_refs_record): Added call to df_record_entry_block_defs.
13394 (df_record_entry_block_defs): New function.
13395 * df-core.c: Added comments to describe new artifical defs.
13396 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13397 (entry_block_defs): New field in struct df.
13398 (df_all_hard_regs): Deleted.
13399 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13400 * df-problems.c (df_ru_bb_local_compute_process_def):
13401 Added code to handle artifical defs in the entry to a function.
13402 (df_ru_bb_local_compute): Ditto.
13403 (df_rd_bb_local_compute_process_def): Ditto.
13404 (df_rd_bb_local_compute): Ditto.
13405 (df_lr_bb_local_compute): Ditto.
13406 (df_ur_bb_local_compute): Ditto.
13407 (df_urec_bb_local_compute): Ditto.
13408 (df_chain_create_bb): Ditto.
13409 (df_ur_local_finalize): Removed entry.
13410 (df_urec_init): Ditto.
13411 (df_urec_local_finalize): Ditto.
13412 (df_ri_bb_compute): Added detection of last use of pseudos.
13413 * Makefile.in (df-scan.o): Updated dependencies.
13414 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13415 * config/mips/mips.c (mips_set_live_on_entry): Added.
13416 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13418 * dce.c (marked_insn_p): Added code to handle artifical defs.
13420 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13422 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13424 (_mm_cvtsi128_si64): Likewise.
13425 (_mm_cvtsd_si64): Likewise.
13426 (_mm_cvttsd_si64): Likewise.
13427 (_mm_cvtsi64_sd): Likewise.
13428 (_mm_cvtsi64_si128): Likewise.
13429 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13430 (_mm_cvtsi64_m64): Likewise.
13431 (_m_to_int64): Likewise.
13432 (_mm_cvtm64_si64): Likewise.
13433 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13434 (_mm_cvttss_si64): Likewise.
13435 (_mm_cvtsi64_ss): Likewise.
13436 (_mm_cvtss_f32): Likewise.
13438 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13440 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13441 for pragma redefine_extname.
13443 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13446 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13447 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13448 -mno-minimal-toc to previous content.
13449 (bispecs): Remove goal.
13450 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13451 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13452 compatibility aliases on powerpc-*-*gnu*.
13453 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13454 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13455 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13456 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13457 (ldblspecs): New goal.
13458 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13459 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13461 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13462 L_sf_to_tf or L_df_to_tf is defined.
13464 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13465 Alan Modra <amodra@bigpond.net.au>
13468 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13469 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13470 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13471 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13472 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13473 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13474 (rs6000_override_options): Initialize rs6000_ieeequad.
13475 Initialize TFmode format to ibm_extended_format if not
13477 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13479 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13480 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13481 (function_arg_advance): IBM long double passed in two FPRs, not
13483 (function_arg): IBM long double passed in FPRs.
13484 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13485 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13486 Only multireg GPR aligned.
13487 (rs6000_init_libfuncs): Enable IBM long double functions if not
13489 (rs6000_generate_compare): Use IBM long double compare if not
13491 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13492 (TARGET_IEEEQUAD): Define.
13493 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13494 not TARGET_IEEEQUAD.
13495 * config/rs6000/rs6000.md: Enable TFmode patterns if
13497 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13498 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13499 and -mlong-double-128 are incompatible.
13500 * doc/invoke.texi (-mabi): Collect options together. Add
13501 ibmlongdouble and ieeelongdouble.
13503 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13505 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13507 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13508 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13509 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13510 * rtl.h (rtunion_def): Remove rt_ptr.
13512 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13513 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13514 * config/i386/winnt.c (i386_pe_mark_dllexport)
13515 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13517 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13519 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13521 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13525 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13526 pthread_key_delete. From John David Anglin. gthrw-ify
13527 pthread_getunique_np only if it it's not a macro. Delete
13529 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13530 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13531 __gthread_objc_condition_signal, __gthread_key_delete): Add
13532 "__attribute__ ((__unused__))" to unused arguments.
13533 (__gthread_recursive_mutex_init_function): Add missing return.
13534 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13535 gthr-posix95.h: Use macro-based approach for name redirection
13536 on targets missing weakref.
13538 2006-01-26 Zack Weinberg <zackw@panix.com>
13540 * genconditions.c (write_header): In generated code, #ifdef out
13541 all includes and fake declarations, except includes of bconfig.h
13542 and system.h, unless GCC_VERSION >= 3001. Do not include
13543 gensupport.h in any case.
13544 (write_conditions): Generate a definition of struct c_test. Add
13545 a comment to the generated #endif.
13546 (write_one_condition): Escape backslashes in string too.
13547 (write_writer): Generated code must escape backslashes and quote
13548 marks (but not newlines) in the strings it writes.
13549 * Makefile.in (build/gencondmd.o): Update dependencies.
13551 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13554 * Makefile.in (insn-automata.o): Add header file dependencies.
13555 * genautomata.c: Add includes.
13557 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13560 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13562 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13564 * configure.ac: Expect target tools paths to be passed from the toplevel
13565 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13567 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13569 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13572 * c.opt (Wpointer-sign): Init to -1.
13573 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13574 OPT_pedantic, to 0 otherwise.
13575 * doc/invoke.texi: Update.
13577 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13579 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13580 constants provided by 80387 instructions in the destination mode.
13582 2006-01-26 Richard Guenther <rguenther@suse.de>
13583 Andrew Pinski <pinskia@physics.uc.edu>
13586 partial PR tree-opt/17064
13587 * tree-ssa-structalias.c (intra_create_variable_infos):
13588 Create heap variables for incoming parameters if
13589 flag_argument_noalias > 1.
13590 (find_what_p_points_to): Look through default defs of
13593 2006-01-26 Jeff Law <law@redhat.com>
13596 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13597 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13598 within the VR_RANGE, use the VR_RANGE as the result, not the
13600 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13601 bounds for the type.
13603 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13605 * tree-ssa-alias.c (maybe_create_global_var): Change
13606 subvar walking to an assertion that we don't have subvar'd variables.
13608 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13611 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13612 Use a new variable, inner. PARM_DECLs are always non-weak.
13614 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13616 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13617 --disable-checking.
13619 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13621 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13623 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13625 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13626 (smax_insn, smin_insn, smax_0, smin_0): New.
13628 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13631 * config/cris/cris.c (cris_order_for_addsi3): New function.
13632 * config/cris/cris-protos.h: Prototype it.
13633 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13634 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13635 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13636 (split for "op.S1 [rx=rx+i],ry (swapped)")
13637 (split for "op(s|u).S1 [rx=rx+i],ry")
13638 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13639 Apply cris_order_for_addsi3 when generating addsi3 insns.
13641 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13643 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13644 (TREE_BLOCK): Add call to EXPR_CHECK.
13646 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13649 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13650 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13651 (dump_omp_clauses): ... here.
13652 (dump_generic_node): Handle OMP_CLAUSE.
13653 * tree.c (omp_clause_num_ops): New.
13654 (omp_clause_code_name): New.
13655 (tree_code_size): Handle OMP_CLAUSE.
13656 (tree_size): Likewise.
13657 (make_node): Document handling of OMP_CLAUSE.
13658 (tree_node_structure): Handle OMP_CLAUSE.
13659 (omp_clause_check_failed): New.
13660 (omp_clause_range_check_failed): New.
13661 (omp_clause_operand_check_failed): New.
13662 (build_omp_clause): New.
13663 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13664 * tree.h (enum omp_clause_code): Declare.
13665 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13666 (OMP_CLAUSE_RANGE_CHECK): Define.
13667 (OMP_CLAUSE_ELT_CHECK): Define.
13668 (omp_clause_check_failed): Declare.
13669 (omp_clause_operand_check_failed): Declare.
13670 (omp_clause_range_check_failed): Declare.
13671 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13672 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13673 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13674 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13675 (OMP_CLAUSE_IF_EXPR): Likewise.
13676 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13677 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13678 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13679 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13680 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13681 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13682 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13683 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13684 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13685 (OMP_CLAUSE_CODE): Define.
13686 (OMP_CLAUSE_SET_CODE): Define.
13687 (OMP_CLAUSE_CODE): Define.
13688 (OMP_CLAUSE_OPERAND): Define.
13689 (struct tree_omp_clause): Declare.
13690 (union tree_node): Add field 'omp_clause'.
13691 * treestruct.def (TS_OMP_CLAUSE): Define.
13692 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13693 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13694 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13695 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13696 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13697 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13698 (OMP_CLAUSE): Define.
13699 * print-tree.c (print_node): Handle OMP_CLAUSE.
13700 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13701 * c-typeck.c: Likewise.
13702 * gimplify.c: Likewise.
13703 * c-omp.c: Likewise.
13704 * tree-nested.c: Likewise.
13705 * tree-inline.c: Likewise.
13706 * c-parser.c: Likewise.
13707 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13710 2006-01-25 Roger Sayle <roger@eyesopen.com>
13712 PR rtl-optimization/25703
13713 * combine.c (try_combine): Handle zero_extract and strict_low_part
13714 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13716 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13718 * global.c: Fix comment typos.
13720 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13723 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13724 Use output_addr_const instead of assemble_name.
13726 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13728 * Makefile.in (sched-vis.o): Update dependencies.
13729 * haifa-sched.c (sched_finish): Clear current_sched_info.
13730 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13731 (dump_flow_info): Call it.
13732 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13734 * basic-block.h (dump_bb_info): Declare.
13735 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13736 option, and apply options only for dump files whose TDF_RTL,
13737 TDF_TREE, or TDF_IPA bits match.
13738 * rtl.h: Declare new functions exported from sched-vis.c.
13739 * sched-vis.c: Enable also if scheduling is not used.
13740 (print_value): Print the mode of registers if not inside scheduling.
13741 (print_insn): Make it work outside the scheduler. Beautify the output
13743 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13745 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13747 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13748 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13749 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13750 depending on the value of CONSTANT_POOL_ADDRESS_P.
13751 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13753 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13754 rather than SYMBOL_REF_DECL.
13755 (rtx_constant_pool): Remove const_rtx_sym_htab.
13756 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13757 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13758 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13759 Remove handling of const_rtx_sym_htab.
13760 (find_pool_constant): Delete.
13761 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13762 rather than find_pool_constant.
13763 (get_pool_constant_for_function): Delete.
13764 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13765 find_pool_constant.
13766 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13767 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13768 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13769 (SYMBOL_REF_CONSTANT): New macro.
13770 (get_pool_constant_for_function): Delete.
13771 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13772 rather than SYMBOL_REF_DECL.
13773 (i386_pe_mark_dllimport): Likewise.
13774 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13775 rather than SYMBOL_REF_DECL.
13776 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13777 (machopic_indirect_call_target): Likewise.
13779 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13781 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13783 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13785 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13787 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13789 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13791 2006-01-24 David Daney <ddaney@avtrex.com>
13794 * configure.ac (enable_tls): New enable option.
13795 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13796 * configure: Regenerate.
13797 * doc/install.texi (--enable-tls): Document new option.
13798 (--disable-tls): Ditto.
13800 2006-01-24 Richard Henderson <rth@redehat.com>
13802 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13803 * alias.c (true_dependence): Respect it.
13804 (canon_true_dependence, write_dependence_p): Likewise.
13805 * builtins.c (get_builtin_sync_mem): Set it.
13807 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13809 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13812 2006-01-24 DJ Delorie <dj@redhat.com>
13814 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13815 for storing constants in single-bit bitfields.
13817 2006-01-25 Ben Elliston <bje@au.ibm.com>
13819 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13821 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13824 * tree-ssa-pre.c (phi_translate): Return NULL
13825 for AGGREGATE_TYPE's.
13827 2006-01-24 Zack Weinberg <zackw@panix.com>
13829 * genautomata.c (process_state_for_insn_equiv_partition):
13830 Use xcalloc for insn_arcs_array.
13831 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13832 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13834 2006-01-24 Richard Henderson <rth@redhat.com>
13836 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13837 update all callers.
13839 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13841 PR rtl-optimization/25890
13842 PR rtl-optimization/25905
13843 * combine.c (expand_compound_operation, expand_field_assignment):
13844 Fail if the bitfield's final position is out of bounds.
13846 2006-01-24 Ian Lance Taylor <ian@airs.com>
13848 PR middle-end/25930
13849 * cgraphunit.c (cgraph_output_in_order): Don't clear
13850 cgraph_asm_nodes until after asm strings have been output.
13852 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13854 * fix-header.c (read_scan_file): Add new parameter imultilib when
13855 calling register_include_chains.
13857 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13859 * omp-low.c: Update documentation.
13861 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13862 Daniel Berlin <dberlin@dberlin.org>
13866 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13867 return from the function.
13869 2006-01-22 Zack Weinberg <zackw@panix.com>
13871 * rtl.def (match_code): Add second argument.
13872 * genpreds.c (write_extract_subexp): New function.
13873 (write_match_code): Add path argument. Use write_extract_subexp.
13874 (write_predicate_expr): Pass path to write_match_code.
13875 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13876 not perform a mode test.
13877 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13878 a subexpression does not constrain the top-level code set.
13879 * read-rtl.c (read_rtx_variadic): New function.
13880 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13881 * doc/md.texi: Document new notation.
13882 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13883 (cmpsi_operand): ... here, using new notation.
13885 2006-01-22 Zack Weinberg <zackw@panix.com>
13887 * varray.c: Remove GENERATOR_FILE #ifdefs.
13889 2006-01-22 Zack Weinberg <zackw@panix.com>
13891 * genautomata.c (output_reserved_units_table): Emit nothing if
13892 description->query_units_num is zero. Remove extra blank line.
13893 (output_cpu_unit_reservation_p): Short circuit
13894 if description->query_units_num is zero.
13896 2006-01-22 Zack Weinberg <zackw@panix.com>
13898 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13899 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13900 nor any of the random handful of variables that used to be necessary
13901 when this program was linked with rtlanal.o. Prune set of forward
13902 function declarations.
13903 (struct attr_desc): Remove static_p field.
13904 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13905 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13906 (attr_string): Do not read the character one past the length of
13908 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13909 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13910 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13911 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13912 (make_automaton_attrs): New.
13913 (main): Do not call into genautomata. Call local gen_bypass
13914 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13915 Remove special case for insn_alts.
13916 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13917 varray.h (leftover from previous change). Prune set of forward
13918 function declarations. Remove state_alts fields from all
13919 structures. Remove state_alts_table from struct automaton.
13920 Make everything except main static. Do not maintain num_dfa_decls.
13921 Do not maintain state_alts fields of various structures.
13922 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13923 (add_arc): Remove state_alts argument. All callers updated.
13924 (output_reserved_units_table): Emit #ifdef here...
13925 (output_tables): ...not here. Don't generate state_alts tables.
13926 (expand_automata): Don't generate attributes.
13927 (write_automata): Don't generate state_alts functions.
13928 (main): New function.
13929 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13930 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13931 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13932 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13933 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13934 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13935 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13936 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13938 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13939 * genattrtab.h: Delete file.
13940 * Makefile.in (OBJS-common): Add insn-automata.o.
13941 (insn-automata.o): New rule.
13942 (simple_generated_c): Add insn-automata.c.
13943 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13944 (genprogmd): Add automata.
13945 (build/genattrtab): Needs no extra objects nor libraries.
13946 (build/genautomata): Needs build/vec.o and -lm.
13948 2006-01-22 Zack Weinberg <zackw@panix.com>
13950 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13951 (output_dfa_max_issue_rate, locked_states_num): Delete.
13952 (struct automaton): Add locked_states field.
13953 (output_dead_lock_vect): Save number of locked states in
13954 automaton->locked_states. If it is zero, don't print anything.
13955 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13956 (output_internal_dead_lock_func): Only test the dead_lock_vect
13957 for automata that have locked states.
13958 (output_statistics): Always print the number of locked states for
13959 each automaton. Calculate total number of locked states here.
13960 (write_automata): Don't call output_dfa_max_issue_rate.
13961 * genattrtab.c: Define length_unit_log as a const variable.
13962 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13963 max_insn_queue_index const.
13964 * final.c (length_unit_log): Declare const.
13965 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13967 2006-01-22 Zack Weinberg <zackw@panix.com>
13969 * genautomata.c: Include vec.h, not varray.h.
13970 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13971 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13972 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13973 VEC_* macros operating on appropriately typed vectors, or to
13974 malloced arrays when the size is known in advance. Const-ify
13975 many char* variables and function arguments. No functional changes.
13976 * Makefile.in (build/varray.o): Delete rule.
13977 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13978 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13980 2006-01-22 Zack Weinberg <zackw@panix.com>
13982 * gensupport.c: Define get_insn_name and record_insn_name here.
13983 (read_md_rtx): Call record_insn_name as appropriate.
13984 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13985 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13986 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13988 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13989 (BUILD_VARRAY): Delete.
13990 (genprognormal): Rename genprogmd. Fold in all programs from
13991 genprognoprint; also attrtab.
13992 (build/genattrtab): Just mention genautomata.o and varray.o.
13993 Reorganize a bit, add comments to make the categories clearer.
13995 2006-01-22 Zack Weinberg <zackw@panix.com>
13997 * genconditions.c (condition_table, add_condition): Delete.
13998 (write_conditions): Don't emit n_insn_conditions nor
13999 insn_elision_unavailable. Issue the gcc version #ifdef here,
14000 inside the table, with no #else clause ...
14001 (write_header): ...not here.
14002 (write_writer): New function.
14003 (main): Don't initialize condition_table. Use add_c_test.
14005 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14006 files on the command line.
14007 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14008 Return -1 if there is no entry in the table, don't abort.
14009 (add_c_test, traverse_c_tests): New functions.
14010 * gensupport.h (insn_elision_unavailable, insn_conditions)
14011 (n_insn_conditions): Delete declarations.
14012 (add_c_test, traverse_c_tests): Declare.
14013 * read-rtl.c: Include gensupport.h.
14014 (read_conditions): New function.
14015 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14016 (read_rtx_1): If we get EOF when we were looking for an initial
14017 open paren, return 0. Call read_conditions when appropriate.
14018 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14019 dummy-conditions.o. Eliminate references to insn-conditions.o,
14020 or change them to build/gencondmd.o, as appropriate. Remove
14021 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14022 from $(simple_generated_c). For all files remaining in those
14023 two lists, add insn-conditions.md to the generator command line.
14024 Give insn-constants.h/s-constants their own rules. Add rules
14025 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14026 (build/read-rtl.o): Depend on gensupport.h.
14027 (genprognormal): Include preds.
14028 (genprogearly): Rename genprognoprint; only difference is now that
14029 they don't link with $(BUILD_PRINT).
14030 * dummy-conditions.c: Delete.
14032 2006-01-22 Zack Weinberg <zackw@panix.com>
14034 * genextract.c: Don't include insn-config.h. Do include vec.h.
14035 Declare vectors of int, char, and locstr.
14036 (locstr): New typedef.
14037 (struct extraction): Make all array fields into bare pointers.
14038 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14039 (insn_code_number): Delete.
14040 (accum_extract): New struct.
14041 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14042 (gen_insn): Take insn_code_number as an argument. Use an
14043 accum_extract structure instead of loading data directly into
14044 a struct extraction, and having to know how big it might get.
14045 (walk_rtx): Operate entirely on an accum_extract structure.
14046 (print_path): Avoid unnecessary use of printf.
14047 (print_header): New function, split out of main. Distinguish
14048 more carefully between an unrecognizable insn and an insn that
14049 has the code number of a define_expand.
14050 (main): Pass insn_code_number to gen_insn. Call print_header
14051 only after parsing. Avoid unnecessary use of printf.
14052 * Makefile.in (build/vec.o): New rule.
14053 (build/genextract): Depend on build/vec.o.
14054 (build/genextract.o): Don't depend on insn-config.h.
14056 2006-01-22 Zack Weinberg <zackw@panix.com>
14058 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14059 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14060 practical. Eliminate per-generator-program link rules.
14062 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14064 PR middle-end/24437
14065 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14066 with a call expr to ...
14067 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14069 2006-01-23 Richard Guenther <rguenther@suse.de>
14071 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14072 before make_edge with conditional EDGE_TRUE_VALUE.
14074 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14075 Jan Hubicka <jh@suse.cz>
14076 Richard Guenther <rguenther@suse.de>
14078 PR rtl-optimization/25654
14079 * cfgexpand.c (aggregate_contains_union_type): New function.
14080 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14081 for structure variables that contain a union type.
14083 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14085 * gengtype.c (new_structure): Return the structure.
14086 (create_option): Add an extra "next" argument.
14087 (create_field): New function.
14088 (adjust_field_rtx_def): Use create_option and create_field.
14089 Remove a now-unnecessary call to find_structure.
14090 (adjust_field_tree_def): Likewise.
14091 (note_yacc_type): Remove an unnecessary call to find_structure.
14092 * gengtype.h (new_structure): Return the structure.
14093 (create_option): Add an extra argument.
14094 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14095 (option): Adjust calls to create_option.
14097 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14099 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14101 2006-01-22 Paul Brook <paul@codesourcery.com>
14102 Peter Barada <peter@the-baradas.com>
14104 * config/m68k/m68k.md: Add Coldfire FPU support.
14105 Define FP mode macro and associated attributes.
14106 Use it for float mode patterns.
14107 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14108 (LIBCALL_VALUE): Use m68k_libcall_value.
14109 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14110 (m68k_function_value): Ditto.
14111 (emit_move_sequence): Ditto.
14112 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14113 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14114 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14115 (MULTILIB_EXCEPTIONS): Ditto.
14116 * config/m68k/m68k.opt: Add mcfv4e.
14117 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14118 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14119 (m68k_output_function_prologue): Save ColdFire FPU registers.
14120 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14121 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14122 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14123 ColdFire FPU registers.
14124 (m68k_libcall_value, m68k_function_value): New functions.
14125 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14126 (LIBCALL_VALUE): Use m68k_libcall_value.
14127 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14128 (MASK_COLDFIRE): Add MASK_CFV4E.
14129 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14130 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14131 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14132 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14133 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14134 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14135 * doc/invoke.tex: Document -mcfv4e on m68k.
14137 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14139 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14142 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14145 * c-opts.c (c_common_handle_option): Don't include
14146 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14147 * doc/invoke.texi (C++ Dialect Options): Document that
14148 -Wnon-virtual-dtor is no longer included in -Wall.
14150 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14152 * gcov.c (print_version), gcov-dump.c (print_version),
14153 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14156 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14158 * df-scan.c (problem_SCAN): Added NULL reset function.
14159 (df_scan_reset_blocks): Added code to call reset block function
14160 (df_bb_refs_delete) Fixed comment.
14161 (df_insn_refs_delete): Made tolerant of deleting non existent info
14162 for dataflow problems that need to be reset.
14163 * df-core.c (df_set_blocks): Ditto.
14164 * df.h (struct df_problem): Added reset_fun.
14165 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14166 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14167 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14168 functions to clear out all references to def-use or use-def chains.
14170 2006-01-21 Ben Elliston <bje@au.ibm.com>
14172 * varasm.c (assemble_real): Initialise data array.
14174 2006-01-20 Paul Brook <paul@codesourcery.com>
14176 Merge from csl-arm-branch.
14177 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14178 * config/arm/arm.md (movdi): Force operands[1] to a register
14179 if we have a non-register source.
14180 (*arm_movdi, *movdf_soft_insn): Require that one of the
14181 operands be a register.
14182 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14183 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14185 2006-01-20 DJ Delorie <dj@redhat.com>
14187 * varasm.c (initializer_constant_valid_p): Allow pointers
14188 initialized from integer constants of lesser precision.
14189 (output_constant): Allow non-int-sized pointer modes to be
14190 initialized from integer constants.
14192 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14195 * cppdefault.h (struct default_include): Add multilib flag.
14196 * cppdefault.c (cpp_include_defaults): Set it.
14197 * c.opt (-imultilib): New option.
14198 * c-opts.c (imultilib): New.
14199 (c_common_handle_option): Handle -imultilib.
14200 (c_common_post_options): Likewise.
14201 * c-incpath.c (add_standard_paths, register_include_chains):
14203 * c-incpath.h (register_include_chains): Add extra parameter.
14204 * gcc.c (do_spec_1): Generate -imultilib option.
14205 (The Specs Language): Update %I description.
14206 (process_command): Update copyright notice.
14207 * doc/cppopts.texi (-imultilib): Document.
14208 * doc/invoke.texi (-imultilib): Include in option summary.
14209 (%I): Update specs documentation.
14211 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14213 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14215 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14217 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14220 2006-01-20 Richard Guenther <rguenther@suse.de>
14221 Steven Bosscher <stevenb.gcc@gmail.com>
14223 PR rtl-optimization/24626
14224 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14225 EDGE_TRUE_VALUE if in RTL mode.
14228 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14229 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14231 2006-01-20 Dirk Mueller <dmueller@suse.com>
14234 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14235 instead of a special NOP marker.
14236 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14237 NOP marker handling.
14238 * c-common.h (empty_body_warning): Add forward declaration.
14239 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14240 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14242 2006-01-20 Paul Brook <paul@codesourcery.com>
14244 * Makefile.in (lang_checks): Keep going if mkdir fails.
14246 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14248 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14249 be able to clean out basic block when not necessary.
14250 (df_scan_free): Fixed to properly delete information if df is
14251 unused before calling df_finish.
14252 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14253 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14255 (df_bb_refs_delete): New function.
14256 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14257 * df-core.c (df_set_blocks): Added code to properly clean out
14258 unused blocks if they are not part of the blocks to consider.
14259 Added additional null check.
14260 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14261 be able to clean out basic block when not necessary
14262 * df.h (df_free_bb_function): Ditto.
14263 (df_bb_refs_delete): New function.
14264 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14265 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14266 basic block parameter to be able to clean out basic block when not
14268 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14269 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14270 Fixed to properly delete information if df is unused before
14273 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14275 PR rtl-optimization/25799
14276 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14277 Corrected confluence operator to remove bits from op2 before oring
14278 with op1 rather than removing bits from op1.
14279 (df_ru_transfer_function): Corrected test on wrong bitmap which
14280 caused infinite loop. Both of these problems were introduced in
14281 the dataflow rewrite.
14283 2006-01-19 DJ Delorie <dj@redhat.com>
14285 * reload1.c (find_reload_regs): Note the details of reload
14286 failures in the dump file.
14287 (spill_failure): Likewise.
14289 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14291 * loop-iv.c: Include df.h and hashtab.h.
14292 (enum iv_grd_result): New enum.
14293 (DF_REF_IV, DF_REF_IV_SET): New macros.
14294 (struct biv_entry): New.
14295 (df, bivs): New global variables.
14296 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14297 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14299 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14300 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14301 analyzed_for_bivness_p, record_biv): New functions.
14302 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14303 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14304 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14306 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14308 (iv_number_of_iterations): Use new interface to iv analysis.
14309 * loop-unroll.c: Do not include varray.h.
14310 (analyze_iv_to_split_insn): Use new interface to iv
14312 * loop-unswitch.c (may_unswitch_on): Ditto.
14313 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14315 (df_bb_modify): Realloc tables to the new index.
14316 (df_find_use): New function.
14317 * df.h (df_find_use): Declare.
14318 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14320 * cfgloop.h (struct rtx_iv): Remove analysed field.
14321 (iv_get_reaching_def): Removed.
14322 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14323 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14324 (loop-iv.o): Add df.h and hashtab.h dependency.
14325 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14327 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14330 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14332 (__floatundisf, __floatundidf): Likewise.
14333 * libgcc2.h (IS_IBM_EXTENDED): Define.
14335 2006-01-19 DJ Delorie <dj@redhat.com>
14337 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14339 2006-01-19 Paul Brook <paul@codesourcery.com>
14341 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14342 as nothrow when unwinding tables are disabled.
14344 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14347 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14348 of bit-field" when in system header.
14350 2006-01-19 DJ Delorie <dj@redhat.com>
14352 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14353 the 16 bit shift limit of the m16c.
14355 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14358 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14359 * config/i386/i386.c (output_set_got): Output the label if we have one
14360 for the TARGET_DEEP_BRANCH_PREDICTION case.
14362 2006-01-19 Jan Hubicka <jh@suse.cz>
14363 H.J. Lu <hongjiu.lu@intel.com>
14364 Evandro Menezes <evandro.menezes@amd.com>
14366 * invoke.texi (generic): Document
14368 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14369 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14370 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14371 (x86_use_incdec, x86_pad_returns): New variables
14372 (TARGET_CPU_DEFAULT_generic): New constant
14373 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14374 (enum processor_type): Add generic32 and generic64.
14375 * i386.md (cpu attribute): Add generic32/generic64
14376 (movhi splitter): Behave sanely when both partial_reg_dependency and
14377 partial_reg_stall are set.
14378 (K8 splitters): Enable for generic as well.
14379 * predicates.md (incdec_operand): Use TARGET_INCDEC
14380 (aligned_operand): Avoid memory mismatch stalls.
14381 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14382 * ppro.md: Enable for generic32
14383 * i386.c (generic64_cost, generic32_cost): New.
14384 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14385 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14386 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14387 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14388 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14389 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14390 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14391 x86_accumulate_outgoing_args, x86_prologue_using_move,
14392 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14393 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14394 Enable for generic.
14395 (x86_use_incdec, x86_pad_returns): New.
14396 (override_options): Add generic32 and generic64, translate "generic"
14397 to generic32/generic64 and "i686" to "generic32", refuse
14398 "generic32"/"generic64" as arch target.
14399 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14400 (ix86_reorg): Honor PAD_RETURNS.
14402 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14404 * tree-pretty-print.c (dump_generic_node): Handle
14405 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14406 * cgraph.c (cgraph_expand_queue): Rename from
14407 cgraph_analyze_queue. Update all users.
14408 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14409 cgraph_expand_queue.
14410 (cgraph_expand_all_functions): Likewise.
14411 (cgraph_finalize_pending_functions): Remove. Update callers.
14413 * tree.h (OMP_DIRECTIVE_P): Define.
14414 (OMP_PARALLEL_FN): Define.
14415 (OMP_PARALLEL_DATA_ARG): Define.
14416 (OMP_SECTIONS_SECTIONS): Define.
14417 * tree-pass.h (pass_expand_omp): Declare.
14418 * omp-low.c (struct omp_region): Declare.
14419 (struct omp_context): Remove fields 'parallel_type',
14420 'parallel_start_ix' and 'parallel_start_additional_args'.
14422 (struct omp_for_data): Rename from struct expand_omp_for_data.
14423 (omp_regions): New static variable.
14424 (root_omp_region): New static variable.
14425 (find_omp_clause): Make static.
14426 (is_in_combined_parallel_ctx): Remove.
14427 (is_combined_parallel): New.
14428 (extract_omp_for_data): Move earlier in the file.
14429 (workshare_safe_to_combine_p): New.
14430 (get_ws_args_for): New.
14431 (determine_parallel_type): Move earlier in the file.
14432 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14434 (omp_copy_decl): Likewise.
14435 (create_omp_child_function): Likewise.
14436 (lookup_omp_region): New.
14437 (dump_omp_region): New.
14438 (debug_omp_region): New.
14439 (debug_all_omp_regions): New.
14440 (new_omp_region): New.
14441 (scan_omp_parallel): If parallel_nesting_level > 1, the
14442 directive is nested within another parallel directive.
14443 Set OMP_PARALLEL_FN.
14444 (scan_omp_for): Do not try to handle combined parallel+for
14446 Remove FIXME comment.
14447 (scan_omp_nested): Remove.
14448 (scan_omp_1): Do not call scan_omp_nested when
14449 parallel_nesting_level is > 1.
14450 Do not change the DECL_CONTEXT of local variables found.
14451 (lookup_decl_in_outer_ctx): New.
14452 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14453 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14454 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14455 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14456 If CTX is nested, lookup VAR in the outer context when
14457 building copy assignment.
14458 (lower_send_clauses): Rename from expand_send_clauses.
14459 If CTX is nested, lookup VAR in the outer context when
14460 building copy assignments.
14461 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14462 If CTX is nested, lookup VAR in the outer context when
14463 building copy assignments.
14464 (expand_parallel_call): Rename from build_parallel_call.
14465 Handle combined parallel+workshare cases.
14466 Re-implement to emit code into the CFG.
14468 (expand_omp_parallel): Re-implement to emit code into the CFG.
14469 Call move_sese_region_to_fn to outline the sub-graph
14470 containing the parallel region.
14471 (expand_omp_for_1): Remove.
14472 (expand_omp_for_generic): Re-implement to emit code into the
14474 (expand_omp_for_static_nochunk): Likewise.
14475 (expand_omp_for_static_chunk): Likewise.
14476 (expand_omp_for): Likewise.
14477 (expand_omp_sections): Likewise.
14478 (remove_exit_barriers): New.
14479 (expand_omp_synch): New.
14481 (build_omp_regions_1): New.
14482 (build_omp_regions): New.
14483 (execute_expand_omp): New.
14484 (gate_expand_omp): New.
14485 (pass_expand_omp): Define.
14486 (lower_omp_sections): Rename from expand_omp_sections.
14487 Set OMP_SECTIONS_SECTIONS.
14488 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14489 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14490 (lower_omp_single): Rename from expand_omp_simple.
14491 (lower_omp_master): Rename from expand_omp_master.
14492 (lower_omp_ordered): Rename from expand_omp_ordered.
14493 (lower_omp_critical): Rename from expand_omp_critical.
14494 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14495 (lower_omp_for): Re-implement.
14496 (lower_omp_parallel): Re-implement.
14497 (lower_regimplify): Rename from expand_regimplify.
14498 (lower_omp_1): Rename from expand_omp_1.
14499 If there are syntax errors in the program, replace every
14500 OpenMP directive with NOP.
14501 Call lower_omp_* instead of expand_omp_*.
14502 (lower_omp): Rename from expand_omp.
14504 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14505 * tree-gimple.h (enum omp_parallel_type): Remove.
14506 (gimple_boolify): Declare extern.
14507 (find_omp_clause, determine_parallel_type): Remove.
14509 * gimple-low.c (lower_omp_directive): New.
14510 (lower_stmt): Call it.
14511 (record_vars_into): Move from ...
14512 (record_vars): ... here.
14513 Call record_vars_into with current_function_decl.
14515 * gimplify.c (struct gimplify_ctx): Remove fields
14516 combined_pre_p and combined_ctxp. Update users.
14517 (get_formal_tmp_var): Add documentation.
14518 (gimple_boolify): Make extern.
14519 (gimplify_expr_in_ctx): Remove. Update callers.
14520 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14521 will always be a BIND_EXPR.
14522 (gimplify_expr): Handle OMP_RETURN_EXPR.
14523 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14524 (OMP_PARALLEL): Add 3 operands.
14525 (OMP_SECTIONS): Add 1 operand.
14526 (OMP_RETURN_EXPR): Define.
14528 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14529 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14530 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14531 creating a circular free list.
14532 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14534 * tree-flow.h (move_sese_region_to_fn): Declare.
14535 (record_vars_into): Declare.
14536 * tree-cfg.c (make_omp_sections_edges): New.
14537 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14538 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14539 OMP_SECTIONS and OMP_SECTION.
14540 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14541 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14542 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14543 (gather_blocks_in_sese_region): New.
14544 (struct move_stmt_d): Declare.
14545 (move_stmt_r): New.
14546 (move_block_to_fn): New.
14547 (move_sese_region_to_fn): New.
14549 * passes.c (init_optimization_passes): Schedule
14550 pass_expand_omp after pass_init_datastructures.
14552 * tree-ssa-operands.c (get_expr_operands): Handle
14553 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14554 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14556 2006-01-19 Jeff Law <law@redhat.com>
14558 * tree-vrp.c (extract_range_from_assert): Refine the result range
14559 if the variable referenced by the ASSERT_EXPR has a range and
14560 either the tentative result range or the previous range is a
14563 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14565 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14567 2006-01-19 Jan Hubicka <jh@suse.cz>
14569 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14571 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14573 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14574 (expand_compound_operation, expand_field_assignment): Fail if the
14575 bit lengths of an extract operation are out of range.
14576 (make_extraction): Compute wanted_inner_mode based on the position
14577 and length of the extraction. Make it extraction_mode for non-constant
14578 positions, and do not modify offset in that case. When generating a
14579 new MEM, use a mode that can hold the extraction while keeping correct
14580 alignment. Remove code that supported MEMs wrapped by USEs.
14581 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14583 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14585 * config/s390/s390.md ("Y", "y"): New mode attribute.
14586 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14587 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14588 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14589 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14590 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14591 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14592 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14593 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14594 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14595 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14596 "addsi3", "subsi3"): Insn patterns removed.
14597 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14598 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14599 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14600 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14601 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14602 "*sub<mode>3_cconly2"): New insn patterns.
14603 ("addsi3", "subsi3"): New expanders.
14605 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14607 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14608 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14609 existing STMT_VINFO_VECTYPE if available.
14610 (vect_mark_relevant): Add special handling for stmts that are
14611 marked as STMT_VINFO_IN_PATTERN_P.
14612 (vect_analyze_loop): Call vect_pattern_recog.
14613 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14614 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14616 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14617 (vect_recog_func_ptr): New function-pointer type.
14618 * tree-vect-patterns.c: New file.
14619 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14620 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14621 (vect_pattern_recog_1): New functions.
14622 (vect_pattern_recog_funcs): New array of function pointers.
14624 * tree-vectorizer.h (ternary_op): New enum value.
14625 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14626 declaration. Revised documentation. Removed redundant dump prints.
14627 Removed redundant argument. Added support for reduction patterns.
14628 (vectorizable_reduction): Added support for reduction patterns.
14629 (vect_transform_stmt): Added support for patterns.
14631 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14632 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14633 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14634 (expand_widen_pattern_expr): New function.
14635 (init_optabs): Initialize new optabs udot_prod_optab,
14637 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14638 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14639 (expand_widen_pattern_expr): New function declaration.
14640 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14642 * tree-inline.c (estimate_num_insns_1): Added cases for new
14643 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14644 * tree-pretty-print.c (dump_generic_node): Likewise.
14645 (op_prio): Likewise.
14646 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14647 * tree-ssa-operands.c (get_expr_operands): Added case for
14649 * tree-vect-patterns.c (widened_name_p): New function.
14650 (vect_recog_dot_prod_pattern): Added function implementation.
14651 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14652 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14653 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14654 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14656 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14657 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14658 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14659 (init_optabs): Initialize new optabs widen_ssum_optab,
14661 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14662 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14663 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14664 use instead of type of def.
14665 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14666 function implementation.
14667 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14668 widen_ssumv8hi): New.
14670 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14673 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14676 * c-decl.c (add_flexible_array_elts_to_size): New function.
14677 (finish_decl): Use it.
14679 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14681 * diagnostic.h: Include options.h.
14682 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14683 dependancies for diagnostic.h.
14684 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14686 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14688 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14689 (ssa_ro_call_cache_valid): Ditto.
14690 * tree-ssa-alias.c (sort_tags_by_id): New function.
14691 (init_transitive_clobber_worklist): Ditto.
14692 (add_to_worklist): Ditto.
14693 (mark_aliases_call_clobbered): Ditto.
14694 (compute_tag_properties): Ditto.
14695 (set_initial_properties): Ditto.
14696 (compute_call_clobbered): Ditto.
14697 (compute_may_aliases): Call compute_call_clobbered and grouping.
14698 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14699 (compute_flow_insensitive_aliasing): Grouping now happens in our
14701 (setup_pointers_and_addressables): Remove clobbering related code.
14702 (add_may_alias): Ditto.
14703 (replace_may_alias): Ditto.
14704 (get_nmt_for): Ditto.
14705 (create_global_var):
14706 (is_escape_site): Return an escape_type enumeration.
14707 * tree-flow-inline.h (is_call_clobbered): Global var does not
14708 imply call clobbered.
14709 (mark_call_clobbered): Take a reason for marking this. Remove
14710 marking of globalness, and cache invalidation.
14711 (clear_call_clobbered): Remove cache invalidation code.
14712 * tree-dfa.c (dump_variable): If details is on, dump the reason
14714 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14716 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14717 (struct var_ann_d): Ditto.
14718 (enum escape_type): New.
14719 (mark_call_clobbered): Adjust prototype.
14720 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14721 are never call clobbered.
14722 Record reasons for escaping.
14723 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14724 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14725 (ssa_ro_call_cache_valid): Ditto.
14726 (clobbered_v_may_defs): Ditto.
14727 (clobbered_vuses): Ditto.
14728 (ro_call_vuses): Ditto.
14729 (clobber_stats): New.
14730 (init_ssa_operands): Zero out clobber stats.
14731 (fini_ssa_operands): Print out clobber stats.
14732 (get_call_expr_operands): Pass callee fndecl to
14733 add_call_read_ops).
14734 (add_call_clobber_ops): Remove use of cache.
14735 Add use of PURE_CONST information.
14736 (add_call_read_ops): Remove use of cache.
14737 Add use of static not_read information.
14739 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14741 Introduce TLS descriptors for i386 and x86_64.
14742 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14743 (TARGET_ANY_GNU_TLS): New macro.
14744 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14745 (struct machine_function): Add tls_descriptor_call_expanded_p.
14746 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14747 (ix86_current_function_calls_tls_descriptor): Likewise.
14748 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14749 (override_options): Introduce gnu2 tls dialect.
14750 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14752 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14754 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14755 (ix86_init_machine_status): Initialize new field.
14756 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14757 (ix86_tls_module_base): New.
14758 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14759 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14760 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14761 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14762 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14763 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14764 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14765 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14766 * config/i386/predicates.md (tls_modbase_operand): New.
14767 (tp_or_register_operand): New.
14769 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14771 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14772 (look_for_address_of): Ditto.
14773 (ipa_init): Walk the function decls.
14774 (static_execute): Don't set readonly on FUNCTION_DECL's.
14776 2006-01-18 Roger Sayle <roger@eyesopen.com>
14778 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14779 for shifts where the source and destination registers are different.
14781 2006-01-18 Paul Brook <paul@codesourcery.com>
14783 Merge from csl-arm-branch.
14784 2005-03-14 Julian Brown <julian@codesourcery.com>
14785 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14786 (aeabi_llsl): Likewise.
14787 (ashrdi3): Likewise.
14788 (aeabi_lasr): Likewise.
14789 (lshrdi3): Likewise.
14790 (aeabi_llsr): Likewise.
14791 2005-03-10 Julian Brown <julian@codesourcery.com>
14792 * config.gcc: Disable shared libgcc for SymbianOS.
14793 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14795 2006-01-18 DJ Delorie <dj@redhat.com>
14797 * c-pragma.c (handle_pragma_diagnostic): New.
14798 (init_pragma): Register it.
14799 * doc/extend.texi: Document it.
14801 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14802 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14803 (diagnostic_context): Add classify_diagnostic[].
14804 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14805 as errors if they're overridden to DK_WARNING.
14806 (diagnostic_initialize): Initialize classify_diagnostic[].
14807 (diagnostic_set_kind_override): New.
14808 (diagnostic_report_diagnostic): Check for kind changes.
14809 * opts.c (common_handle_option): Take lang_mask. Update callers.
14810 Handle OPT_Werror_.
14811 * common.opt (Werror=): New.
14812 * doc/invoke.texi: Document -Werror=*
14814 2006-01-18 Jeff Law <law@redhat.com>
14816 * tree-vrp.c (test_for_singularity): Correct test for new
14817 min limit. Use operand_equal_p rather than pointer equality
14818 for testing if new min/max values are equal.
14820 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14821 using range information until after propagation and folding.
14823 2006-01-18 Richard Henderson <rth@redhat.com>
14824 Aldy Hernandez <aldyh@redhat.com>
14825 Jakub Jelinek <jakub@redhat.com>
14826 Diego Novillo <dnovillo@redhat.com>
14828 * omp-low.c: New file.
14829 * c-omp.c: New file.
14831 2006-01-18 Richard Henderson <rth@redhat.com>
14832 Jakub Jelinek <jakub@redhat.com>
14833 Diego Novillo <dnovillo@redhat.com>
14835 * doc/invoke.texi: Document -fopenmp.
14836 * tree-dump.h (debug_function): Declare.
14837 * hooks.c (hook_bool_tree_bool_false): New function.
14838 (hook_tree_tree_null): Remove.
14839 (hook_tree_tree_tree_null): New.
14840 * hooks.h: Update to match.
14841 * tree-pretty-print.c (debug_tree_chain): New.
14842 (print_generic_expr): Handle TDF_CHAIN.
14843 (dump_generic_node): Handle BLOCK.
14844 Do not abort with incomplete SWITCH_EXPRs.
14845 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14846 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14847 print space after directive name.
14848 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14849 Handle OMP_MASTER and OMP_ORDERED.
14850 Handle printing of OMP_BODY just in one place, goto
14851 dump_omp_body in the rest of OMP_* nodes that have
14853 Don't handle clause nodes here. Update omp statements to
14854 use dump_omp_clauses.
14855 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14856 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14857 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14858 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14859 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14860 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14861 Adjust output for GOMP_PARALLEL.
14862 (dump_omp_clauses): New.
14863 (print_declaration): Dump DECL_VALUE_EXPR.
14864 (op_symbol_1): Split out of op_symbol.
14865 (dumping_stmts): Remove. Update all users.
14866 * cgraph.c (cgraph_analyze_queue): New.
14867 (cgraph_add_new_function): New.
14868 * cgraph.h (cgraph_analyze_queue): Declare.
14869 (cgraph_add_new_function): Declare.
14870 (cgraph_lower_function): Remove.
14871 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14872 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14873 and TYPE_P nodes in its default clause.
14874 (empty_body_p): New.
14875 (tree_range_check_failed): New.
14876 (build5_stat): New.
14877 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14878 OMP_CLAUSE_REDUCTION_MERGE,
14879 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14880 OMP_CLAUSE_PRIVATE_DEBUG,
14881 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14882 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14883 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14884 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14885 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14886 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14887 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14888 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14889 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14890 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14891 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14892 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14893 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14894 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14895 (TREE_RANGE_CHECK): New.
14896 (empty_body_p): Declare.
14897 (enum omp_clause_default_kind): New.
14898 (build_string_literal): Declare.
14899 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14900 (build5_stat, build5): Declare.
14901 * tree-pass.h (TDF_CHAIN): Define.
14902 * tree-pass.h (PROP_gimple_lomp): Define.
14903 (pass_lower_omp): Declare.
14904 * diagnostic.h (debug_tree_chain): Declare.
14905 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14907 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14908 * builtins.c (build_string_literal): Make extern.
14909 * gcc.c (include_spec_function): New.
14910 (static_spec_functions): Add it.
14911 (main): Move load of libgomp.spec ...
14912 (LINK_COMMAND_SPEC): ... here.
14913 (link_gomp_spec): New.
14914 (static_specs): Include it.
14915 (LINK_COMMAND_SPEC): Add link_gomp.
14916 (GOMP_SELF_SPECS): New.
14917 (driver_self_specs): Include it.
14918 (switch_matches): Don't mark inline.
14919 (main): Load libgomp.spec.
14920 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14921 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14922 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14923 * tree-gimple.h (enum omp_parallel): Declare.
14924 (determine_parallel_type): Declare.
14925 (omp_firstprivatize_variable): Declare.
14926 (omp_reduction_init): Declare.
14927 (diagnose_omp_structured_block_errors): Declare.
14928 (struct walk_stmt_info): Add want_return_expr.
14929 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14930 (find_omp_clause): Declare.
14931 (insert_field_into_struct): Declare.
14932 (struct walk_stmt_info): Move from tree-nested.c
14933 (walk_stmts): Declare.
14934 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14936 * cgraphunit.c (cgraph_lower_function): Make static.
14937 (cgraph_finalize_pending_functions): New.
14938 (cgraph_finalize_function): Call it.
14939 (cgraph_finalize_compilation_unit): Likewise.
14940 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14941 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14942 (BT_FN_UINT_UINT): New.
14943 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14944 DEF_FUNCTION_TYPE_VAR_4): Document.
14945 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14946 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14947 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14948 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14949 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14950 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14951 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14952 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14953 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14954 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14955 into separate files.
14956 (DEF_GOMP_BUILTIN): New.
14957 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14958 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14959 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14960 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14961 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14962 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14963 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14964 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14965 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14966 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14967 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14968 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14969 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14970 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14971 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14972 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14973 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14974 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14975 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14976 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14977 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14978 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14979 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14980 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14981 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14982 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14983 * sync-builtins.def: New file, moved from builtins.def.
14984 * omp-builtins.def: New file, moved from builtins.def.
14985 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14986 * gimple-low.c (lower_function_body): Clear data.
14987 (lower_stmt): Do not handle COMPOUND_EXPR.
14988 Remove call to print_node_brief.
14989 * c-tree.h (c_finish_omp_clauses): New prototype.
14990 (C_DECL_THREADPRIVATE_P): Define.
14991 (lookup_name_no_remap, c_omp_remap_private): Remove
14992 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14993 (check_for_loop_decls): Update decl.
14994 (lookup_name_no_remap, c_omp_remap_private): Declare.
14995 (build_indirect_ref, build_modify_expr, pushdecl,
14996 pushdecl_top_level): Move to c-common.h.
14997 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14998 before the switch, but just in the 2 places that need it.
14999 * c-decl.c (diagnose_mismatched_decls): Do not check for
15000 mismatched thread-local attributes when OLDDECL is marked
15001 threadprivate and NEWDECL has no thread-local attributes.
15002 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15003 (c_gimple_diagnostics_recursively): Rename from
15004 c_warn_unused_result_recursively. Invoke
15005 diagnose_omp_structured_block_errors.
15006 (check_for_loop_decls): Return a singular decl found.
15007 * langhooks.c (lhd_omp_predetermined_sharing): Return
15008 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15009 (lhd_omp_firstprivatize_type_sizes): New.
15010 (lhd_omp_assignment): New.
15011 (lhd_omp_predetermined_sharing): New.
15012 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15013 (struct lang_hooks_for_types): Add
15014 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15015 omp_predetermined_sharing, omp_disregard_value_expr,
15016 omp_private_debug_clause, omp_clause_default_ctor,
15017 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15018 (c_finish_omp_clauses): New.
15019 (c_finish_bc_stmt): Diagnose break within omp for.
15020 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15021 (build_unary_op): Return error_mark after reporting
15023 (build_modify_expr): Likewise.
15024 * gimplify.c: Include optabs.h and pointer-set.h.
15025 (enum gimplify_omp_var_data): Declare.
15026 (struct gimplify_omp_ctx): Declare.
15027 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15029 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15030 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15031 (splay_tree_compare_decl_uid): New.
15032 (new_omp_context): New.
15033 (delete_omp_context): New.
15034 (gimple_add_tmp_var): Call omp_add_variable.
15035 (gimplify_bind_expr): Likewise.
15036 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15037 true, disregard DECL_VALUE_EXPR on the decl if any.
15038 (gimplify_expr_in_ctx): New.
15039 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15040 omp_add_variable, omp_notice_variable, omp_is_private
15041 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15042 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15043 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15044 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15045 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15046 gimplify_omp_atomic): New.
15047 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15048 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15049 OMP_CRITICAL and OMP_ATOMIC.
15050 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15051 * c-pragma.h (enum pragma_kind): Add
15052 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15053 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15054 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15055 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15056 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15057 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15058 PRAGMA_OMP_THREADPRIVATE.
15059 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15060 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15061 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15062 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15063 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15064 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15065 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15066 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15067 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15068 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15069 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15070 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15071 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15073 (struct nesting_info): Add field_map,
15074 suppress_expansion, debug_var_chain.
15075 (create_nesting_tree): Initialize them.
15076 (lookup_field_for_decl): Use field_map.
15077 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15078 (convert_local_omp_clauses): New.
15079 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15080 (walk_body): Split out of walk_function.
15081 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15082 (convert_nonlocal_reference): Handle omp statements.
15083 (convert_local_reference): Likewise.
15084 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15085 (unnest_nesting_tree): New.
15086 (lower_nested_functions): Call it.
15087 (insert_field_into_struct): Make extern.
15088 (struct walk_stmt_info): Move to tree-gimple.h.
15089 (walk_stmts): Make extern.
15090 * omp-builtins.def: New file.
15091 * tree-iterator.c (expr_only): Clarify comment.
15092 * c-common.h (pushdecl_top_level, pushdecl,
15093 build_modify_expr, build_indirect_ref,
15094 c_finish_omp_master, c_finish_omp_critical,
15095 c_finish_omp_ordered, c_finish_omp_barrier,
15096 c_finish_omp_atomic, c_finish_omp_flush,
15097 c_finish_omp_for, c_split_parallel_clauses,
15098 omp_clause_default_kind, c_omp_sharing_predetermined,
15099 c_omp_remap_decl): Declare.
15100 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15101 (OBJS-common): Add omp-low.o.
15102 (c-omp.o, omp-low.o): Add.
15103 (gimplify.o): Add dependency on $(OPTABS_H).
15104 (GTFILES): Add omp-low.c.
15105 (gt-stringpool.h): Add.
15106 * tree-cfg.c (set_bb_for_stmt): Do not update the
15107 block-to-labels map if we are currently expanding to RTL.
15108 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15110 Handle IDENTIFIER_NODE.
15111 (tree_verify_flow_info): Do not ICE when emitting error
15112 messages about invalid labels.
15113 (dump_function_to_file): Reset CFUN before emitting the body
15115 (debug_function): New.
15116 * passes.c (init_optimization_passes): Schedule
15118 * langhooks-def.h (lhd_omp_predetermined_sharing,
15119 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15121 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15122 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15123 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15124 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15125 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15126 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15127 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15128 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15129 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15130 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15131 (LANG_HOOK_DECLS): Use them.
15133 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15134 Richard Henderson <rth@redhat.com>
15135 Jakub Jelinek <jakub@redhat.com>
15136 Diego Novillo <dnovillo@redhat.com>
15138 * c-parser.c (pragma_omp_clause): Define.
15139 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15140 (c_parser_compound_statement): Likewise.
15141 (c_parser_statement): Likewise.
15142 (c_parser_pragma): Handle omp pragmas.
15143 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15144 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15145 (c_parser_omp_clause_name, check_no_duplicate_clause,
15146 c_parser_omp_variable_list,
15147 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15148 c_parser_omp_clause_copyprivate,
15149 c_parser_omp_clause_default,
15150 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15151 c_parser_omp_clause_lastprivate,
15152 c_parser_omp_clause_nowait,
15153 c_parser_omp_clause_num_threads,
15154 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15155 c_parser_omp_clause_reduction,
15156 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15157 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15158 c_parser_omp_atomic, c_parser_omp_barrier,
15159 c_parser_omp_critical, c_parser_omp_flush,
15160 c_parser_omp_for_loop, c_parser_omp_for,
15161 c_parser_omp_master, c_parser_omp_ordered,
15162 c_parser_omp_sections_scope, c_parser_omp_sections,
15163 c_parser_omp_parallel, c_parser_omp_single,
15164 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15165 * c-pragma.c (init_pragma): Do omp pragma registration here.
15166 * c.opt (fopenmp): New flag.
15168 2006-01-18 Eric Christopher <echristo@apple.com>
15170 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15171 * config/darwin.h (GOMP_SELF_SPECS): Define.
15173 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15175 * rtl.h: Remove the prototype for reg_alloc.
15177 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15180 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15181 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15182 sjlj and dwarf2 exception handling.
15183 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15184 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15185 * pa/pa.c (function_value): Treat complex and vector types as
15187 (function_arg): Likewise. Only pass scalar floats in the floating
15188 point argument registers.
15189 * pa/t-slibgcc-dwarf-ver: New file.
15190 * pa/t-slibgcc-sjlj-ver: New file.
15191 * pa/t-slibgcc-elf-ver: Delete file.
15193 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15195 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15196 unlikely_test_section_p test.
15198 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15200 * mode-switching.c (optimize_mode_switching): Make it static.
15201 * basic-block.h: Remove the prototype for
15202 optimize_mode_switching.
15204 * modulo-sched.c (sms_schedule): Make it static.
15205 * rtl.h: Remove the prototype for sms_schedule.
15207 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15208 * rtl.h: Remove the prototype for gcse_after_reload_main.
15210 * reg-stack.c (reg_to_stack): Make it static.
15211 * rtl.h: Remove the prototype for reg_to_stack.
15213 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15215 * rtl.h: Remove the prototypes for regrename_optimize and
15216 copyprop_hardreg_forward.
15218 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15220 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15221 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15222 Test against the appropriate null constant for the mode.
15223 If 'fixup_overlap' is true, swap the operands if they overlap.
15224 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15225 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15226 alpha_split_tmode_pair and adjust for above change.
15227 * config/alpha/alpha.md (movtf_internal): Adjust call to
15228 alpha_split_tfmode_pair and rely on it to swap the operands.
15229 (movti_internal): New insn and post-reload splitter.
15230 (movti): New expander.
15232 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15234 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15237 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15239 * rtlanal.c (global_reg_mentioned_p_1,
15240 global_reg_mentioned_p): Remove.
15241 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15243 * flow.c (initialize_uninitialized_subregs): Make it static.
15244 * rtl.h: Remove the prototype for
15245 initialize_uninitialized_subregs.
15247 * function.c (instantiate_virtual_regs): Make it static.
15248 * function.h: Remove the prototype for
15249 instantiate_virtual_regs.
15251 * regmove.c (regmove_optimize, combine_stack_adjustments):
15253 * rtl.h: Remove the prototypes for regmove_optimize and
15254 combine_stack_adjustments.
15256 2006-01-17 Roger Sayle <roger@eyesopen.com>
15258 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15259 (size_cost): Encode costs in bytes so that a reg-reg addition is
15260 equivalent to COSTS_N_INSNS(1).
15261 (override_options): Use the size_cost.branch_cost as the default
15262 ix86_branch_cost when optimizing for size.
15264 2006-01-18 Ben Elliston <bje@au.ibm.com>
15266 * Makefile.in (D32PBIT_FUNCS): New.
15267 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15268 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15269 D64PBIT_FUNCS and D128PBIT_FUNCS.
15270 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15271 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15273 (decnumber_dep): Define.
15274 * doc/libgcc.texi (Decimal float library routines): New node.
15275 * config/dfp-bit.h, config/dfp-bit.c: New files.
15277 2006-01-18 Ben Elliston <bje@au.ibm.com>
15279 * expr.c (emit_move_change_mode): Always adjust addresses, not
15280 just during reload. Copy replacements only during reload.
15281 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15282 emit_move_via_integer.
15284 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15286 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15287 instead of $(srcdir) and ${srcdir}.
15289 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15292 PR middle-end/11135
15293 * arm.h (struct machine_function): Add pic_reg.
15294 * arm.c (arm_pic_register): Make unsigned.
15295 (arm_override_options): Only set arm_pic_register if
15296 TARGET_SINGLE_PIC_BASE.
15297 (use_return_insn): Only test for a pic register if it is fixed.
15298 (arm_compute_save_reg0_reg12_mask): Likewise.
15299 (thumb_compute_save_reg_mask): Likewise.
15300 (legitimate_pic_operand): Factor out some known invariants.
15301 (legitimize_pic_address): If we don't have a fixed pic register,
15302 then set up a pseudo in the function entry sequence. Handle the
15303 pic base being in a pseudo.
15304 (arm_load_pic_register): Handle the pic register being in a pseudo.
15305 (arm_expand_prologue): Only set up the pic register if it is fixed.
15306 (thumb_expand_prologue): Likewise.
15307 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15308 (pic_load_addr_based_insn): Likewise.
15309 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15312 2006-01-18 Ben Elliston <bje@au.ibm.com>
15314 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15315 decimal float modes for all floating point registers.
15317 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15318 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15320 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15323 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15324 even when the pointer is not NULL.
15326 2006-01-16 Ian Lance Taylor <ian@airs.com>
15328 * common.opt (ftoplevel-reorder): New option.
15329 * cgraph.c (cgraph_asm_nodes): New global variable.
15330 (cgraph_asm_last_node): New static variable.
15331 (cgraph_order): New global variable.
15332 (cgraph_create_node): Set new order field.
15333 (cgraph_varpool_node): Likewise.
15334 (decide_is_variable_needed): Return true if not
15335 flag_toplevel_reorder.
15336 (cgraph_add_asm_node): New function.
15337 * cgraph.h (struct cgraph_node): Add order field.
15338 (struct cgraph_varpool_node): Add order field.
15339 (struct cgraph_asm_node): Define.
15340 (cgraph_asm_nodes, cgraph_order): Declare.
15341 (cgraph_add_asm_node): Declare.
15342 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15344 (cgraph_varpool_assemble_pending_decls): Call it.
15345 (cgraph_output_pending_asms): New static function.
15346 (cgraph_finalize_compilation_unit): Call it.
15347 (struct cgraph_order_sort): Define.
15348 (cgraph_output_in_order): New static function.
15349 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15350 !flag_toplevel_reorder case.
15351 * c-parser.c: Include "cgraph.h".
15352 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15354 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15355 than -fno-unit-at-a-time.
15356 * doc/invoke.texi (Option Summary): Mention
15357 -fno-toplevel-reorder.
15358 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15359 -funit-at-a-time documentation.
15361 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15362 Kazu Hirata <kazu@codesourcery.com>
15364 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15366 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15368 * Makefile.in (FUNCTION_H): New. Use it instead of
15369 function.h throughout the file.
15370 * function.h: Include tree.h.
15372 2006-01-17 Ben Elliston <bje@au.ibm.com>
15374 * recog.c: Separate some functions with whitespace.
15376 2006-01-16 Richard Henderson <rth@redhat.com>
15378 Merge from gomp branch:
15379 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15380 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15381 and rename from struct inline_data. Rename callee* to dst*;
15382 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15383 transform_new_cfg, transform_return_to_modify, and
15384 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15386 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15387 (copy_decl_for_dup): Remove.
15388 * tree-inline.c (struct inline_data): Move to header.
15389 (insert_decl_map): Export.
15390 (remap_decl): Update for member name changes. Use copy_decl hook.
15391 Allow for replacement to be a non-decl. Remove dead code.
15392 (remap_type_1): Check for existing mapping.
15393 (remap_type): Export.
15394 (remap_decls): Update for member name changes.
15395 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15396 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15397 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15398 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15399 (tree_function_versioning, build_duplicate_type): Likewise.
15400 (copy_body_r): Likewise. Export.
15401 (copy_decl_for_dup): Split into ...
15402 (copy_decl_for_dup_finish, copy_decl_to_var,
15403 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15404 (replace_ref_tree, inlining_p): Remove.
15406 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15408 * ifcvt.c (if_convert): Make it static.
15409 * rtl.h: Remove the prototype for if_convert.
15411 * local-alloc.c (local_alloc): Make it static.
15412 * rtl.h: Remove the prototype for local_alloc.
15414 * loop.c (loop_optimize): Make it static.
15415 * cfgloop.h: Remove the prototype for loop_optimize.
15418 2006-01-16 DJ Delorie <dj@redhat.com>
15420 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15423 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15425 * pa.md: Disparage copies between general and floating-point registers
15426 in 32-bit move patterns.
15428 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15431 * Makefile.in (check-%): Depend on site.exp instead of
15432 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15435 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15437 * global.c (global_alloc): Make it static.
15438 * rtl.h: Remove the prototype for global_alloc.
15440 2006-01-16 Richard Guenther <rguenther@suse.de>
15442 * tree-ssa-alias.c (struct used_part): Add write_only field.
15443 (get_or_create_used_part_for): Initialize it to true.
15444 (create_overlap_variables_for): Don't create structure variables
15445 for structures that only are written to.
15446 (find_used_portions): Handle MODIFY_EXPR to track whether a
15447 structure is only written to.
15449 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15451 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15453 * basic-block.h: Remove the prototype for
15454 partition_hot_cold_basic_blocks.
15456 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15458 * cppspec.c (lang_specific_spec_functions): Remove.
15459 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15460 * gcc.h (lang_specific_spec_functions): Remove.
15461 * gccspec.c (lang_specific_spec_functions): Remove.
15463 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15465 * combine.c (record_value_for_reg): Invalidate registers
15467 (record_dead_and_set_regs_1): Likewise, by passing them to
15468 record_value_for_reg.
15469 (record_dead_and_set_regs): Invalidate stores made by a
15470 call. We do not combine across a call, but we still
15471 relied on equivalences.
15473 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15475 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15476 vrp_int_const_binop returning non-constant nodes.
15478 2006-01-16 Paul Brook <paul@codesourcery.com>
15480 * config/m68k/m68k.c (output_move_const_into_data_reg):
15481 Output correct mnemonic for mvz and mvs.
15483 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15485 * rtl-factoring.c: Add sequence abstraction algorithm.
15486 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15487 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15489 (block_has_preserve_label): New function.
15490 * common.opt: Register new pass.
15491 * Makefile.in: Ditto.
15493 * timevar.def: Ditto.
15494 * tree-pass.h: Ditto.
15495 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15496 * rtl.h (make_jump_insn_raw): Add forward decl.
15497 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15499 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15500 Roger Sayle <roger@eyesopen.com>
15502 * fold-const.c (fold_minmax): New static function.
15503 (fold_binary) <MIN_EXPR>: Call it.
15504 <MAX_EXPR>: Likewise.
15505 * stor-layout.c (place_field): Use DECL_SIZE consistently
15506 in the computation of the new record size.
15508 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15510 * cse.c (cse_condition_code_reg): Make it static.
15511 * rtl.h: Remove the prototype for cse_condition_code_reg.
15513 * combine.c (combine_instructions): Make it static.
15514 * rtl.h: Remove the prototype for combine_instructions.
15516 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15519 * tree.c (get_file_function_name_long): Concatenate the first global
15520 object name with a string derived from the input filename of the object
15523 2006-01-16 Ben Elliston <bje@au.ibm.com>
15525 * config/i386/winnt-stubs.c: Update FSF address.
15526 * config/xtensa/ieee754-df.S: Ditto.
15527 * config/xtensa/ieee754-sf.S: Ditto.
15529 2006-01-14 Ian Lance Taylor <ian@airs.com>
15531 * ifcvt.c (noce_init_if_info): New static function, broken out of
15532 noce_process_if_block.
15533 (noce_process_if_block): Call noce_init_if_info.
15534 (check_cond_move_block): New static function.
15535 (cond_move_process_if_block): New static function.
15536 (process_if_block): Call cond_move_process_if_block.
15538 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15540 * cselib.c (hash_table): Rename to cselib_hash_table.
15541 (cselib_clear_table, discard_useless_values,
15542 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15543 cselib_init, cselib_finish): Adjust uses of hash_table.
15545 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15547 PR tree-optimization/25485
15548 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15549 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15550 is known to be false and true, respectively.
15552 2006-01-14 Richard Guenther <rguenther@suse.de>
15554 PR tree-optimization/22548
15555 PR tree-optimization/22555
15556 PR tree-optimization/22501
15557 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15558 * params.def (salias-max-array-elements): New parameter.
15559 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15560 * doc/invoke.texi (salias-max-array-elements): Document.
15561 * tree-flow-inline.h (var_can_have_subvars): We also handle
15563 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15565 * tree-ssa-structalias.c (params.h): Include.
15566 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15567 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15568 (get_constraint_for): For ADDR_EXPR operating on something
15569 containing an ARRAY_REF, add all subvars to the solution.
15570 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15571 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15572 for creating MUST_DEFs.
15573 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15575 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15577 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15579 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15580 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15581 number_of_iterations_le): New functions.
15582 (number_of_iterations_special): Removed.
15583 (number_of_iterations_exit): Do not use number_of_iterations_special.
15584 * tree.c (unsigned_type_for): Always return integer type.
15586 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15587 Richard Guenther <rguenther@suse.de>
15589 PR rtl-optimization/24257
15590 * gcse.c (find_moveable_store): Only consider a store movable
15591 when the SET_SRC of the insn can be assigned to a register.
15593 2006-01-14 Ian Lance Taylor <ian@airs.com>
15595 * tree.c (tree_not_class_check_failed): New function.
15596 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15597 (tree_not_class_check_failed): Declare.
15599 2006-01-13 Ian Lance Taylor <ian@airs.com>
15601 * reload1.c (do_output_reload): Add assertion rejecting a
15604 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15606 * combine.c (struct reg_stat): Add new fields truncation_label and
15608 (record_value_for_reg): Reset truncated_to_mode.
15609 (record_truncated_value): New function.
15610 (check_promoted_subreg): Call it. Rename to check_conversions.
15611 (combine_instructions): Rename check_promoted_subreg to
15613 (reg_truncated_to_mode): New function.
15614 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15615 (gen_lowpart_or_truncate): New function.
15616 (force_to_mode): Use it instead of gen_lowpart.
15618 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15620 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15621 VAR is a tag, not its type tag.
15623 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15625 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15626 alternatives to match style of other entries.
15627 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15629 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15631 PR tree-optimization/25771
15632 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15635 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15638 * tree-inline.c (declare_return_variable): If the return variable
15639 was marked as a non gimple complex, set the return slot variable
15640 to be a non gimple comple variable.
15642 2006-01-13 Richard Guenther <rguenther@suse.de>
15644 * builtins.c (expand_builtin_sincos): New function.
15645 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15647 (expand_builtin): Expand sincos using expand_builtin_sincos.
15649 2006-01-12 DJ Delorie <dj@redhat.com>
15651 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15652 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15653 so that constant shifts can be split.
15654 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15655 (m32c_valid_pointer_mode): Make static.
15656 (shift_gen_func_for): New.
15657 (m32c_prepare_shift): Use it. Split large const shifts into
15659 * config/m32c/predicates.md (shiftcount_operand): Allow more
15661 (longshiftcount_operand): New.
15662 * doc/md.texi (Machine Constraints): Document In6.
15664 2006-01-13 Ben Elliston <bje@au.ibm.com>
15666 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15667 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15670 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15672 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15673 to try to avoid clobbering pieces of structures when we know
15674 something about the whole structure.
15675 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15677 2006-01-13 Ben Elliston <bje@au.ibm.com>
15679 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15680 return in memory, as this is no limitation is no longer present.
15682 2006-01-12 DJ Delorie <dj@redhat.com>
15684 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15685 mova with fb, and for fb+0 -> An.
15687 * config/m32c/mov.md (peephole2): Fix enabling logic.
15689 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15690 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15691 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15692 FINI_ARRAY_SECTION_ASM_OP): Define.
15694 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15696 (m32c_legitimize_reload_address): New logic to reload FB to An.
15697 (m32c_output_reg_push): Add newline.
15698 (m32c_output_reg_pop): Likewise.
15700 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15702 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15704 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15706 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15708 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15710 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15713 2006-01-11 Ben Elliston <bje@au.ibm.com>
15715 * rtlanal.c (find_reg_note): Assert insn is not null.
15717 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15719 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15722 2006-01-11 Jeff Law <law@redhat.com>
15724 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15726 (mark_threaded_blocks, register_jump_thread): New functions.
15727 (thread_through_all_blocks): Remove unwanted argument. No
15728 longer rely on e->aux to communicate thread target info.
15729 Call mark_threaded_blocks. Release the threaded_blocks
15730 bitmap and threaded_edges vector when complete.
15731 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15732 (threaded_blocks): Remove.
15733 (tree_ssa_dominator_optimize): Remove initialization and
15734 finalization of threaded_blocks. Simplify call to
15735 thread_through_all_blocks.
15736 (thread_across_edge): Call register_jump_thread rather than
15737 storing thread information into e->aux.
15738 (free_all_edge_infos): Simplify now that e->aux is no longer
15739 used to communicate with thread_through_all_blocks.
15740 * tree-flow.h (thread_through_all_blocks): Update prototype.
15741 (register_jump_thread): Prototype.
15743 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15745 * df-core.c (df_compact_blocks, df_bb_replace): Use
15746 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15748 2006-01-11 Richard Guenther <rguenther@suse.de>
15750 PR tree-optimization/25734
15751 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15752 stop propagation after successful propagation to the LHS.
15754 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15756 * basic-block.h (control_flow_graph): Change the type of
15757 x_basic_block_info to VEC(basic_block,gc) *.
15758 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15760 (SET_BASIC_BLOCK): New.
15761 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15762 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15763 * cfgbuild.c (find_basic_blocks): Likewise.
15764 * cfglayout.c (fixup_reorder_chain): Likewise.
15765 * cfgrtl.c (create_basic_block_structure,
15766 rtl_create_basic_block): Likewise.
15767 * ifcvt.c (find_if_case_1): Likewise.
15768 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15771 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15773 * Makefile.in: Removed rotted odf.c entry.
15775 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15778 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15779 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15780 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15781 output pattern modifier, not %e.
15782 * config/cris/cris.c (cris_op_str): Update comment about pattern
15784 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15785 before falling through into...
15786 <case 'E'>: Redefined from old 'e' case.
15788 2006-01-11 Jan Hubicka <jh@suse.cz>
15791 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15793 2006-01-11 Jan Hubicka <jh@suse.cz>
15795 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15796 * i386.c (x86_decompose_lea): Kill.
15797 (ix86_rtx_costs): Kill.
15799 2006-01-11 Jan Hubicka <jh@suse.cz>
15801 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15802 * cgraph.h (cgraph_node): Add inline_decl.
15803 (cgraph_insert_node_to_hashtable): Declare.
15804 (save_inline_function_body): Declare.
15805 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15807 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15808 (cgraph_function_versioning): Update call of tree_function_versioning.
15809 (save_inline_function_body): New function.
15810 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15811 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15812 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15813 (cgraph_default_inline_p): Likewise.
15814 (cgraph_decide_inlining_incrementally): Likewise.
15815 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15816 (copy_bb): Kill saving; do updating of clones.
15817 (copy_cfg_body): Kill saving.
15818 (initialize_inlined-parameters): Likewise.
15819 (expand_call_inline): Likewise.
15821 (tree_function_versioning): New parameter "update_clones".
15822 (inlining_p): Kill saving.
15823 * tree-inline.h (tree_function_versioning): Update prototype.
15824 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15827 2006-01-11 Ian Lance Taylor <ian@airs.com>
15829 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15830 Allow undoing set of machine mode.
15831 (do_SUBST): Use enums instead of is_int.
15832 (do_SUBST_MODE): New function.
15833 (SUBST_MODE): New macro.
15834 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15835 reg and trying to replace reg_regno_rtx with a new register.
15836 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15837 (simplify_set): Use SUBST_MODE.
15838 (distribute_notes): Remove code that tried to update reg notes
15839 for regno_reg_rtx changes.
15841 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15843 PR tree-optimization/23109
15844 PR tree-optimization/23948
15845 PR tree-optimization/24123
15847 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15848 * tree-cfg.c (single_noncomplex_succ): New.
15849 * tree-flow.h (single_noncomplex_succ): Declare it.
15850 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15851 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15852 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15853 insert_bb, register_division_in, insert_reciprocals,
15854 replace_reciprocal, free_bb): New.
15855 (execute_cse_reciprocals_1): Rewritten.
15856 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15857 Do not commit any edge insertion. Always compute dominators and
15858 create the allocation pool.
15859 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15860 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15861 * targhooks.c (default_min_divistions_for_recip_mul): New.
15862 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15863 * passes.c (init_optimization_passes): Run recip after tree loop
15865 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15867 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15868 Kenneth Zadeck <zadeck@naturalbridge.com>
15870 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15871 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15872 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15873 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15874 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15875 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15876 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15877 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15878 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15879 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15880 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15881 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15882 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15883 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15884 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15885 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15886 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15887 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15888 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15889 DF_SCAN_POST_ALLOC): New macros.
15890 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15891 df_free_bb_function, df_local_compute_function, df_init_function,
15892 df_dataflow_function, df_confluence_function_0,
15893 df_confluence_function_n, df_transfer_function,
15894 df_finalizer_function, df_free_function, df_dump_problem_function,
15895 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15896 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15897 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15898 df_urec_bb_info, ) New types.
15899 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15901 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15902 df_analyze_simple_change_some_blocks,
15903 df_analyze_simple_change_one_block, df_compact_blocks,
15904 df_bb_replace, df_bb_regno_last_use_find,
15905 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15906 df_insn_regno_def_p, df_find_def, df_find_use,
15907 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15908 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15909 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15910 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15911 debug_df_chain, df_get_dependent_problem, df_chain_create,
15912 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15913 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15914 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15915 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15916 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15917 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15918 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15919 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15920 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15921 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15922 df_reorganize_refs, df_set_state, df_hard_reg_init,
15923 df_read_modify_subreg_p) New public functions.
15924 * df-core.c: The core dataflow solver and glue routines for rtl
15926 (df_init, df_add_problem, df_set_blocks, df_finish,
15927 df_hybrid_search_forward, df_hybrid_search_backward,
15928 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15929 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15930 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15931 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15932 df_reg_defined, df_find_use, df_reg_used, df_dump,
15933 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15934 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15935 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15936 debug_df_useno, reset_df_after_reload): New functions.
15937 * df-scan.c: The scanning fuctions, once in df.c, completely
15938 rewritten so that they now fully model the functionality of
15939 register usage at the backend.
15940 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15941 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15942 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15943 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15944 df_get_artificial_defs, df_get_artificial_uses,
15945 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15946 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15947 df_refs_delete, df_reorganize_refs, df_set_state,
15948 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15949 df_def_record_1, df_defs_record, df_uses_record,
15950 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15951 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15952 df_record_exit_block_uses, df_hard_reg_init): New functions.
15954 * df-problems.c: Seven concrete dataflow problems that use the
15955 scanning in df-scan.c and are solved by the engine in df-core.c.
15956 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15957 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15958 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15959 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15960 df_ru_free_bb_info, df_ru_alloc,
15961 df_ru_bb_local_compute_process_def,
15962 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15963 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15964 df_ru_transfer_function, df_ru_free, df_ru_dump,
15965 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15966 df_rd_free_bb_info, df_rd_alloc,
15967 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15968 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15969 df_rd_transfer_function, df_rd_free, df_rd_dump,
15970 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15971 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15972 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15973 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15974 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15975 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15976 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15977 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15978 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15979 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15980 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15981 df_urec_mark_reg_use_for_earlyclobber,
15982 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15983 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15984 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15985 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15986 df_chain_create_bb_process_use, df_chain_create_bb,
15987 df_chain_finalize, df_chain_free, df_chains_dump,
15988 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15989 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15990 df_reg_lifetime): New functions.
15991 * df.c: Deleted file.
15992 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15993 consistent with new df api.
15994 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15995 rest_of_handle_sms): Ditto.
15996 * web.c (unionfind_union, union_defs, entry_register, web_main):
15998 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15999 invariant_expr_equal_p, find_defs, check_dependencies,
16000 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16001 free_inv_motion_data, move_loop_invariants): Ditto.
16002 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16003 Update dependencies.
16004 (odf.c): Added defective entry that was deleted later in day.
16005 * sched-deps.c (sched_analyze_1): Ditto.
16007 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16009 * tree-ssa-operands.c (get_expr_operands): Record addressable
16010 variables directly. Do not call add_stmt_operands for CONST_DECLs
16012 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16013 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16015 2006-01-11 Ben Elliston <bje@au.ibm.com>
16017 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16018 function returns true in the positive case.
16020 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16023 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16024 for SI, DI, SF and DF modes. Add alternatives to copy between
16025 general and floating point registers to the 32-bit patterns.
16026 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16027 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16028 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16029 generating 64-bit code.
16030 * config/pa/pa.c (output_move_double): Handle copies between general
16031 and floating registers.
16033 2006-01-10 Stuart Hastings <stuart@apple.com>
16035 * config/i386/i386.md (set_got): Update.
16036 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16037 (builtin_setjmp_receiver): Mach-O support.
16038 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16039 (GOT_SYMBOL_NAME): Define.
16040 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16041 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16042 * config/i386/i386.c (override_options): Revise for Darwin.
16043 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16044 support. (darwin_x86_file_end): New. (output_set_got): Add label
16045 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16046 * config/i386/i386-protos.h (output_set_got): Likewise.
16047 * config/darwin.c (machopic_legitimize_pic_address): Update
16050 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16052 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16053 when MODE isn't BLKmode.
16055 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16057 PR rtl-optimization/25367
16058 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16060 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16063 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16064 for a negative bound.
16066 2006-01-10 Richard Guenther <rguenther@suse.de>
16068 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16069 Never override with anything constraint.
16071 2006-01-10 Jan Beulich <jbeulich@novell.com>
16073 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16074 256 bits when optimize_size.
16076 2006-01-10 Jan Beulich <jbeulich@novell.com>
16078 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16080 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16081 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16084 2006-01-10 Ben Elliston <bje@au.ibm.com>
16086 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16088 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16089 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16090 (USE_FP_FOR_ARG): Reject decimal float modes.
16091 (function_arg_advance): Likewise.
16092 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16093 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16094 point types in AltiVec vectors.
16095 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16096 (rs6000_libcall_value): Likewise.
16098 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16100 * config/xtensa/ieee754-df.S: New file.
16101 * config/xtensa/ieee754-sf.S: New file.
16102 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16103 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16104 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16106 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16108 * config/sh/predicates.md (binary_float_operator,
16109 binary_logical_operator, commutative_float_operator,
16110 equality_comparison_operator, greater_comparison_operator,
16111 less_comparison_operator, logical_operator,
16112 noncommutative_float_operator, shift_operator,
16113 symbol_ref_operand, unary_float_operator): Remove redundant
16116 2006-01-09 Jeff Law <law@redhat.com>
16118 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16119 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16120 now unused arguments. Callers updated.
16121 (eliminate_redundant_computations): Remove now unused arguments,
16123 (local_fold): Remove, no longer used.
16124 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16126 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16127 (simplify_cond): New function.
16128 (forward_propagate_into_cond): Call simplify_cond.
16130 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16132 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16133 (*vec_extractv2di_1_sse): New.
16135 2006-01-09 Ben Elliston <bje@au.ibm.com>
16137 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16139 2006-01-08 Richard Guenther <rguenther@suse.de>
16141 * tree-ssa-structalias.c (get_constraint_for): Remove
16142 anyoffset argument.
16143 (get_constraint_for_component_ref): Likewise.
16144 (do_deref): Likewise.
16145 (get_constraint_for): Likewise.
16146 (do_structure_copy): Likewise.
16147 (handle_ptr_arith): Likewise.
16148 (find_func_aliases): Likewise. Remove unused need_anyoffset
16151 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16152 Kaz Kojima <kkojima@gcc.gnu.org>
16154 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16155 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16156 (EXTRA_CONSTRAINT_C16): Remove.
16157 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16158 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16159 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16160 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16161 constants of SHmedia. Handle nested constant expressions of
16163 (andcosts): Fix the costs for SHmedia constants.
16164 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16165 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16166 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16167 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16168 (movv4hi_i, movv2si_i): Likewise.
16169 (movsi_const): Adjust the second operand of ior so to match with
16170 the Csu constraint.
16171 (movdi_const, movdi_const_32bit): Likewise.
16172 (movdi_const_16bit+1): Don't sign-extend LOW.
16173 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16175 (*double_shori): Fix the split condition. Use GEN_INT instead
16176 of get_int_mode calls. Mask lower 16-bit of the argument of
16178 (sym2GOTPLT): Remove.
16179 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16181 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16182 instead of EXTRA_CONSTRAINT_C16.
16184 2006-01-07 Ian Lance Taylor <ian@airs.com>
16185 David Edelsohn <edelsohn@gnu.org>
16187 PR rtl-optimization/25662
16188 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16189 for constant operands instead of simplify_gen_binary.
16190 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16191 after trying simplify_binary_operation
16193 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16195 * tree.c (iterative_hash_expr): Hash decls based on UID.
16197 2006-01-06 Eric Christopher <echristo@apple.com>
16199 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16200 (TARGET_UNWIND_EMIT): Fix spelling.
16201 * target.h (gcc_target): Add except_table_label.
16202 * except.c (output_function_exception_table): Use.
16203 * varasm.c (default_emit_except_table_label): New.
16204 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16206 (asm_out): Add here.
16207 * output.h (default_emit_except_table_label): Prototype.
16208 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16209 * config/darwin.c (darwin_emit_except_table_label): Define.
16210 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16212 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16214 PR tree-optimization/18527
16215 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16216 number_of_iterations_special, number_of_iterations_exit):
16217 Move base and step of an iv to a single structure. Add
16218 no_overflow flag, and use it in # of iterations analysis.
16219 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16220 folded_casts argument.
16221 (simple_iv): Pass base and step in a structure. Set no_overflow
16223 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16224 Evaluate expensiveness of computing # of iterations instead of
16225 the final expression.
16226 * tree-scalar-evolution.h (affine_iv): New structure.
16227 (simple_iv): Declaration changed.
16228 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16229 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16230 find_givs_in_stmt): Changed due to simple_iv change.
16232 2006-01-06 Jeff Law <law@redhat.com>
16235 * tree-cfg.c (bsi_replace): Rename final argument from
16236 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16237 change (stmt -> orig_stmt).
16238 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16239 (bsi_remove): Add new argument. Remove EH information
16241 (verify_eh_throw_table_statements): New function.
16242 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16244 * tree-optimize.c (execute_free_cfg_annotations): Verify
16245 the EH throw statement table after removing annotations.
16246 * except.h (verify_eh_throw_table_statements): Prototype.
16247 * tree-flow.h (bsi_remove): Update prototype.
16248 * tree-vrp.c (remove_range_assertions): Add new argument to
16250 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16251 * tree-complex.c (expand_complex_div_wide): Likewise.
16252 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16253 * tree-tailcall.c (eliminate_tailcall): Likewise.
16254 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16255 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16256 * tree-nrv.c (tree_nrv): Likewise.
16257 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16258 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16259 (combine_blocks): Likewise.
16260 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16261 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16262 (cleanup_control_flow): Likewise.
16263 (remove_forwarder_block): Likewise.
16264 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16265 * tree-sra.c (sra_replace): Likewise.
16266 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16267 (forward_propagate_single_use_vars): Likewise.
16268 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16269 * tree-inline.c (expand_call_inline): Likewise.
16270 * tree-vect-transform.c (vect_transform_loop): Likewise.
16271 * tree-outof-ssa.c (rewrite_trees): Likewise.
16272 * tree-cfg.c (make_goto_expr_edges): Likewise.
16273 (cleanup_dead_labels): Likewise.
16274 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16275 (bsi_move_before, bsi_move_after): Likewise.
16276 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16277 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16279 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16282 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16284 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16285 on non gimple variables. Also add checks at the top for decls and
16287 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16289 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16290 and IMAGPART_EXPR for creating MUST_DEFs.
16291 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16292 and NAME_MEMORY_TAG separately from the DECLs.
16294 2006-01-06 Richard Guenther <rguenther@suse.de>
16296 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16297 annotation, if necessary.
16298 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16299 redundant calls to update_stmt.
16300 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16303 2006-01-05 Richard Henderson <rth@redhat.com>
16305 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16307 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16309 * c-typeck.c: Update copyright date.
16311 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16313 * c-typeck.c (build_c_cast): Always warn when casting
16314 from a pointer to an integer of different size, even if
16315 the node was constant.
16317 2006-01-05 Richard Guenther <rguenther@suse.de>
16319 PR tree-optimization/22555
16320 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16321 if one structure field is an array.
16322 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16323 operands even if we found a subvar, but ignore VOPs in this
16325 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16327 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16329 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16331 PR middle-end/24998
16332 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16334 2006-01-05 Richard Guenther <rguenther@suse.de>
16335 Diego Novillo <dnovillo@redhat.com>
16337 * tree-pass.h (TODO_remove_unused_locals): Define.
16338 * gimple-low.c (expand_var_p, remove_useless_vars,
16339 pass_remove_useless_vars): Remove. Update all users.
16340 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16341 (remove_unused_locals): New function.
16342 * tree-flow.h (remove_unused_locals): Declare.
16343 * passes.c (execute_todo): Call remove_unused_locals if
16344 TODO_remove_unused_locals is set.
16345 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16346 * tree-ssa-dce.c (pass_dce): Likewise.
16347 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16349 2006-01-05 Richard Guenther <rguenther@suse.de>
16351 * tree-flow.h (struct fieldoff): Decompose field to
16352 type, size and decl.
16353 * tree-ssa-alias.c (create_sft): Take type as parameter.
16354 (create_overlap_variables_for): Store type, size and decl
16355 in the fieldoff structure.
16356 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16357 of struct fieldoff.
16358 (push_fields_onto_fieldstack): Likewise.
16359 (create_variable_info_for): Likewise. Use offset for the
16360 SFT name if the decl is not available.
16362 2006-01-04 Paul Brook <paul@codesourcery.com>
16364 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16366 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16368 * lambda-code.c (can_put_in_inner_loop): Relax
16370 (can_put_after_inner_loop): New function.
16371 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16372 (perfect_nestify): Change to make copies and modify uses.
16374 2006-01-04 Richard Henderson <rth@redhat.com>
16376 Merge from gomp branch:
16377 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16378 via integer constant.
16379 (pragma_lex): Remove.
16380 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16381 rather than parsing it.
16382 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16383 handle_pragma_extern_prefix): Add %< %> quotes.
16384 (registered_pragmas): New.
16385 (c_register_pragma_1): New.
16386 (c_register_pragma): Use it.
16387 (c_register_pragma_with_expansion): Likewise.
16388 (c_invoke_pragma_handler): New.
16389 (init_pragma): Use cpp_register_deferred_pragma directly for
16391 * c-pragma.h (enum pragma_kind): New.
16392 (pragma_handler): New.
16393 (c_invoke_pragma_handler): Declare.
16394 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16396 * c-common.h (c_common_pch_pragma): Update decl.
16397 * Makefile.in (c-parser.o): Update dependencies.
16398 (GTFILES): Add c-pragma.h.
16399 * c-parser.c (struct c_token): Add pragma_kind.
16400 (struct c_parser): Add in_pragma.
16401 (c_lex_one_token): Always initialize keyword and pragma_kind.
16402 Extract data for CPP_PRAGMA.
16403 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16404 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16405 Don't allow CPP_PRAGMA_EOL if in_pragma.
16406 (c_parser_consume_pragma): New.
16407 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16408 (c_parser_skip_to_end_of_parameter): Likewise.
16409 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16410 (c_parser_skip_to_pragma_eol): New.
16411 (c_parser_external_declaration): Handle CPP_PRAGMA.
16412 (c_parser_compound_statement_nostart): Likewise.
16413 (c_parser_statement_after_labels): Likewise.
16414 (c_parser_pragma): New.
16415 (pragma_lex): Likewise.
16416 (c_parser_pragma_pch_preprocess): New.
16417 (c_parser_new): Merge into ...
16418 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16420 2006-01-04 Jeff Law <law@redhat.com>
16423 * tree-cfg.c (bsi_replace): Remove the original statement
16424 from the EH throw statement table.
16426 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16428 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16429 make the prototype extern "C" and add throw ().
16432 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16433 and pos non-negative and pos + len <= 32.
16434 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16435 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16436 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16439 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16440 as well as sizes not multiple of component size.
16443 * function.c (instantiate_expr): New function.
16444 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16445 walk its DECL_VALUE_EXPR with instantiate_expr.
16447 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16448 DW_OP_deref{,_size} if address isn't going to be added.
16450 2006-01-04 Ben Elliston <bje@au.ibm.com>
16452 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16453 * config/fp-bit.c: Likewise.
16455 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16457 * dominance.c: Add comment about why we use DFS numbering
16460 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16461 Richard Henderson <rth@redhat.com>
16463 Merge from gomp-branch:
16464 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16465 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16467 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16469 PR rtl-optimization/25578
16470 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16471 pass a parameter to simplify_shift_const if changing ASHIFTRT
16474 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16476 * builtins.c (get_builtin_sync_mem): New function.
16477 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16478 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16479 Call get_builtin_sync_mem to generate mem rtx.
16481 2006-01-03 Richard Guenther <rguenther@suse.de>
16484 * stmt.c (add_case_node): Make sure to clear overflow flags
16487 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16489 Merge from gomp-branch.
16490 * config/sparc/sync.md: New file.
16491 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16492 UNSPECV_LDSTUB): New constants.
16493 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16494 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16495 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16498 2006-01-03 Roger Sayle <roger@eyesopen.com>
16500 * combine.c (reg_subword_p): New predicate to test whether the
16501 destination of a set refers to a subword/piece of a register.
16502 (try_combine): Generalize the code to merge the setting of a
16503 pseudo to a constant followed by a set of a subword of that
16504 register to a constant.
16506 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16508 * basic-block.h (control_flow_graph): Change the type of
16509 x_label_to_block_map to VEC(basic_block,gc) *.
16510 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16511 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16513 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16514 VEC(basic_block,heap) *.
16515 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16516 ssa_prop_fini): Adjust the uses of cfg_blocks.
16518 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16520 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16522 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16523 hashing trees instead of a pointer hash.
16524 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16525 compare for MEM_EXPR.
16527 PR rtl-optimization/25130
16528 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16529 when comparing MEMs for GCSE
16531 2006-01-03 Ben Elliston <bje@au.ibm.com>
16533 * targhooks.h (default_decimal_float_supported_p): Declare.
16534 * targhooks.c (default_decimal_float_supported_p): Define.
16535 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16536 `default_decimal_float_supported_p'.
16537 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16539 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16541 * combine.c (apply_distributive_law <SUBREG>): Check
16542 TRULY_NOOP_TRUNCATION.
16544 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16546 * dwarf2out.c (have_switched_text_section): Delete.
16547 (have_multiple_function_sections): New.
16548 (have_location_lists): Make 'bool'.
16549 (add_AT_loc_list): Use 'true' not '1'.
16550 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16551 (output_loc_list): Use have_multiple_function_sections.
16552 (output_ranges): Likewise.
16553 (dwarf2out_begin_function): Set have_multiple_function_sections if
16555 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16556 Check function_section rather than DECL_SECTION_NAME.
16557 (dwarf2out_finish): Use have_multiple_function_sections.
16558 Don't clear have_location_lists.
16560 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16561 Jan Hubicka <jh@suse.cz>
16563 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16564 case of conditional jump jumping to the next instruction.
16565 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16566 cases of conditional jump jumping to the next instruction.
16568 2006-01-02 Jan Hubicka <jh@suse.cz>
16570 * i386.c (*_cost): Add COSTS_N_INSNS.
16571 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16573 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16576 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16578 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16580 * config/arm/arm.c (all_fpus): Fix comment typo.
16581 * config/darwin.c: Likewise.
16582 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16583 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16584 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16586 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16588 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16589 (rs6000_split_compare_and_swapqhi): New.
16590 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16591 (sync_compare_and_swapqhi_internal): New.
16592 * config/rs6000/rs6000-protos.h: Declare.