1 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3 * config/i386/i386.h (TARGET_GEODE):
4 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5 (TARGET_CPU_DEFAULT_geode): New macro.
6 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
7 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
8 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
9 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
10 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
12 (TARGET_CPU_DEFAULT_NAMES): Add geode.
13 (processor_type): Add PROCESSOR_GEODE.
15 * config/i386/i386.md: Include geode.md.
18 * config/i386/i386.c (geode_cost): New initialized global
20 (m_GEODE, m_K6_GEODE): New macros.
21 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
22 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
23 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
24 x86_schedule): Use m_K6_GEODE instead of m_K6.
25 (x86_movx, x86_cmove): Set up m_GEODE.
26 (x86_integer_DFmode_moves): Clear m_GEODE.
27 (processor_target_table): Add entry for geode.
28 (processor_alias_table): Ditto.
30 * config/i386/geode.md: New file.
32 * doc/invoke.texi: Add entry about geode processor.
34 2006-10-27 Mike Stump <mrs@apple.com>
36 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
37 __DYNAMIC__ from here back to ...
38 * config/darwin.h (CPP_SPEC): ... here.
40 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
41 Nathan Sidwell <nathan@codesourcery.com>
43 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
44 when choosing the minimum heapsize.
46 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
48 * gcc/unwind-dw2.h: Move cfa-related variables into
49 struct frame_state_reg_info to ensure that the CFA is properly
50 handled when executing DW_CFA_{remember,restore}_state.
51 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
52 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
53 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
54 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
55 gcc/config/rs6000/linux-unwind.h,
56 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
57 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
58 Modify to use new cfa_* fields.
60 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
62 * config/s390/s390.c (s390_init_frame_layout): Check positive
65 2006-10-26 Ben Elliston <bje@au.ibm.com>
67 * gimplify.c (get_name): Remove extraneous break.
68 (gimplify_omp_for): Initialise ret with GS_OK.
70 2006-10-25 Steve Ellcey <sje@cup.hp.com>
72 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
73 Add unix98.o to link line.
75 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
78 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
79 Calculate compile-time constants using MPFR.
80 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
81 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
83 2006-10-25 Bob Wilson <bob.wilson@acm.org>
85 * config/xtensa/lib2funcs.S: Use C-style comments.
87 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
89 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
90 (file_table_relative_p): Likewise.
91 (dwarf2out_finish): Likewise.
92 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
94 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
96 * tree-ssa-structalias.c (intra_create_variable_infos):
97 Don't recreate nonlocal_all if it already exists.
99 2006-10-25 Richard Guenther <rguenther@suse.de>
102 * optabs.h (enum optab_index): Remove OTI_lrint.
103 (enum convert_optab_index): Add COI_lrint.
104 (lrint_optab): Adjust.
105 (expand_sfix_optab): Declare.
106 * optabs.c (expand_sfix_optab): New function.
107 (init_optabs): Init lrint_optab as conversion optab.
108 * genopinit.c (lrint_optab): Change to a conversion optab.
109 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
110 expansion via conversion optab.
111 * config/i386/i386.md (*fistdi2_1): Remove
112 flag_unsafe_math_optimizations guard.
113 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
114 fist<mode>2_with_temp): Likewise.
115 (lrint<mode>2): Split into...
116 (lrintxf<mode>2): ... x87 part
117 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
118 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
119 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
120 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
121 * doc/md.texi (lrintMN2): Document.
123 2006-10-25 Uros Bizjak <uros@kss-loka.si>
126 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
127 Use inc and dec instructions for TARGET_USE_INCDEC.
128 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
129 ("sync_double_compare_and_swap<mode>"): Likewise.
130 ("*sync_double_compare_and_swapdi_pic"): Likewise.
131 ("*sync_compare_and_swap_cc<mode>"): Likewise.
132 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
133 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
134 ("sync_old_add<mode>"): Likewise.
135 ("sync_lock_test_and_set<mode>"): Likewise.
136 ("sync_lock_test_and_set<mode>"): Likewise.
137 ("sync_add<mode>"): Likewise.
138 ("sync_sub<mode>"): Likewise.
139 ("sync_ior<mode>"): Likewise.
140 ("sync_and<mode>"): Likewise.
141 ("sync_xor<mode>"): Likewise.
143 2006-10-25 Uros Bizjak <uros@kss-loka.si>
145 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
146 (remainder_optab): Define corresponding macro.
147 (drem_optab): Remove.
148 * optabs.c (init_optabs): Initialize remainder_optab. Remove
149 drem_optab initialization.
150 * genopinit.c (optabs): Implement remainder_optab using
151 remainder?f3 patterns. Remove drem_optab.
152 * builtins.c (expand_builtin_mathfn_2): Handle
153 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
154 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
155 expand_builtin_mathfn_2.
157 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
158 depend on flag_unsafe_math_optimizations.
160 * config/i386/i386.md ("remaindersf3", "remainderdf3")
161 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
162 Do not depend on flag_unsafe_math_optimizations. Use
163 truncxf?f expander instead of truncxf?f_i387_noop.
165 ("fpremxf4", "fprem1xf4"): Do not depend on
166 flag_unsafe_math_optimizations.
167 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
168 flag_unsafe_math_optimizations. Use truncxf?f expander
169 instead of truncxf?f_i387_noop.
171 * doc/md.texi (fmod, remainder): Document standard named pattern.
173 2006-10-24 Richard Sandiford <richard@codesourcery.com>
174 David Daney <ddaney@avtrex.com>
177 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
179 2006-10-25 Ben Elliston <bje@au.ibm.com>
181 * doc/extend.texi (Variable Attributes): Typo fix.
183 2006-10-24 Uros Bizjak <uros@kss-loka.si>
185 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
186 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
187 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
188 (FRAME_POINTER_REGNUM): Update register number to 21.
189 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
190 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
192 * config/i386/i386.c (regclass_map): Add fpcr entry.
193 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
195 (print_reg): Assert REGNO (x) != FPCR_REG.
197 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
198 (DIRFLAG_REG): Renumber.
199 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
200 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
201 (sse_prologue_save, *sse_prologue_save_insn): Renumber
202 hardcoded SSE register numbers.
204 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
205 hardcoded MMX register numbers.
207 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
210 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
211 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
213 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
214 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
215 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
216 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
218 2006-10-24 Richard Guenther <rguenther@suse.de>
221 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
222 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
223 for deciding optimizations in consistency with fold-const.c
224 (fold_builtin_unordered_cmp): Likewise.
226 2006-10-24 Richard Guenther <rguenther@suse.de>
228 * builtins.c (fold_builtin_floor): Fold floor (x) where
229 x is nonnegative to trunc (x).
230 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
231 nonnegative to FIX_TRUNC_EXPR.
233 2006-10-24 Richard Guenther <rguenther@suse.de>
235 PR tree-optimization/29567
236 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
237 for TRUTH_NOT_EXPR. Clarify comments.
239 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
242 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
243 at compile-time using MPFR. Change parameter VALUE to FUNC,
245 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
246 for overflow and underflow at all times and avoid folding in
249 2006-10-24 Ben Elliston <bje@au.ibm.com>
251 * reload1.c: Formatting fixes.
253 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
255 PR tree-optimization/14784
256 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
257 * tree-ssa-structalias.c (get_constraint_for,
258 intra_create_variable_infos): Set is_heapvar.
259 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
260 non-heapvar pointer variables specially.
262 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
265 * builtins.c (fold_builtin_sin, fold_builtin_cos,
266 fold_builtin_tan): Fold all constant arguments. Take a "type"
267 argument as necessary.
269 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
271 2006-10-23 Bob Wilson <bob.wilson@acm.org>
273 * config/xtensa/lib1funcs.asm: Use C-style comments.
275 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
277 * tree.c (local_define_builtin): Replace calls to
278 lang_hooks.builtin_function with add_builtin_function.
279 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
281 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
283 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
284 common code to add_builtin_function.
285 * langhooks.c (add_builtin_function): New function.
286 (lhd_builtin_function): New function.
287 * langhooks.h (struct lang_hooks): Change the signature of
289 (add_builtin_function): New function.
290 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
291 calls to lang_hooks.builtin_function with add_builtin_function.
292 * c-common.c (decl_builtin_1): Replace calls to
293 lang_hooks.builtin_function with add_builtin_function.
294 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
295 lang_hooks.builtin_function with add_builtin_function.
296 * config/frv/frv.c (def_builtin): Replace calls to
297 lang_hooks.builtin_function with add_builtin_function.
298 * config/s390/s390.c (s390_init_builtins): Replace calls to
299 lang_hooks.builtin_function with add_builtin_function.
300 * config/sparc/sparc.c (def_builtin): Replace calls to
301 lang_hooks.builtin_function with add_builtin_function.
302 * config/i386/i386.c (def_builtin): Replace calls to
303 lang_hooks.builtin_function with add_builtin_function.
304 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
305 lang_hooks.builtin_function with add_builtin_function.
306 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
307 lang_hooks.builtin_function with add_builtin_function.
308 * config/stormy16/stormy16.c (xstormy16_init_builtins):
309 Replace calls to lang_hooks.builtin_function with
310 add_builtin_function.
311 * config/iq2000/iq2000.c (def_builtin):
312 Replace calls to lang_hooks.builtin_function with
313 add_builtin_function.
314 * config/ia64/ia64.c (def_builtin): Replace calls to
315 lang_hooks.builtin_function with add_builtin_function.
316 * config/rs6000/rs6000.c (def_builtin): Replace calls to
317 lang_hooks.builtin_function with add_builtin_function.
318 (altivec_init_builtins): Replace calls to
319 lang_hooks.builtin_function with add_builtin_function.
320 * config/arm/arm.c (def_mbuiltin): Replace calls to
321 lang_hooks.builtin_function with add_builtin_function.
322 (arm_init_tls_builtins): Replace calls to
323 lang_hooks.builtin_function with add_builtin_function.
324 * config/mips/mips.c (mips_init_builtins): Replace calls to
325 lang_hooks.builtin_function with add_builtin_function.
326 * config/bfin/bfin.c (def_builtin): Replace calls to
327 lang_hooks.builtin_function with add_builtin_function.
328 * langhooks-def.h (lhd_builtin_function): New function.
329 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
331 2006-10-23 Jakub Jelinek <jakub@redhat.com>
333 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
334 BUILT_IN_STRNCAT_CHK.
336 2006-10-23 Jan Hubicka <jh@suse.cz>
338 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
339 don't do conversion from memmove to memcpy here.
340 (expand_builtin_bcopy, expand_builtin): Update call of
341 expand_builtin_memmove.
342 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
344 2006-10-23 Paul Brook <paul@codesourcery.com>
346 * stor-layout.c (start_record_layout): maximum_field_alignment
347 overrides STRUCTURE_SIZE_BOUNDARY.
349 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
351 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
352 nonlocal function symbols if flag_pic.
354 2006-10-23 Richard Guenther <rguenther@suse.de>
358 * builtins.c (fold_binary): Remove checks for flag_wrapv
359 and flag_trapv where negate_expr_p covers these cases.
361 2006-10-23 Richard Guenther <rguenther@suse.de>
364 * fold-const.c (fold_plusminus_mult_expr): Check exact power
365 of two on the absolute value.
366 (fold_binary): Fold x * -C to -x * C if x is easily negatable
367 and negating -C does not overflow.
369 2006-10-23 Richard Guenther <rguenther@suse.de>
372 * convert.c (convert_to_real): Fold (float)-x to -(float)x
373 only if not flag_rounding_math.
375 2006-10-22 Richard Sandiford <richard@codesourcery.com>
376 Kaz Kojima <kkojima@gcc.gnu.org>
379 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
380 SImode memory reference for the source of a movua.
381 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
382 (movua): Use an unspec instead of sign_extract. Expect the source
383 to have mode BLKmode.
384 (extv, insv): Use a BLKmode rather than SImode memory reference
385 for the source of a movua.
387 2006-10-22 Jeff Law <law@redhat.com>
388 Richard Guenther <rguenther@suse.de>
390 PR tree-optimization/15911
391 * tree-vrp.c (extract_code_and_val_from_cond): New function.
392 (register_edge_assert_for_1): Likewise.
393 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
394 (find_conditional_asserts): Adjust for new function signature.
395 (find_assert_locations): Likewise.
397 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
399 * config/i386/tmmintrin.h: Remove the duplicated content.
401 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
403 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
404 (x86_64-*-*): Likewise.
406 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
407 (override_options): Check SSSE3.
408 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
409 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
410 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
411 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
412 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
413 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
414 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
415 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
416 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
417 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
418 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
419 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
420 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
421 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
422 IX86_BUILTIN_PABSD128.
423 (bdesc_2arg): Add SSSE3.
424 (bdesc_1arg): Likewise.
425 (ix86_init_mmx_sse_builtins): Support SSSE3.
426 (ix86_expand_builtin): Likewise.
427 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
429 * config/i386/i386.md (UNSPEC_PSHUFB): New.
430 (UNSPEC_PSIGN): Likewise.
431 (UNSPEC_PALIGNR): Likewise.
432 Include mmx.md before sse.md.
434 * config/i386/i386.opt: Add -mssse3.
436 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
437 (ssse3_phaddwv4hi3): Likewise.
438 (ssse3_phadddv4si3): Likewise.
439 (ssse3_phadddv2si3): Likewise.
440 (ssse3_phaddswv8hi3): Likewise.
441 (ssse3_phaddswv4hi3): Likewise.
442 (ssse3_phsubwv8hi3): Likewise.
443 (ssse3_phsubwv4hi3): Likewise.
444 (ssse3_phsubdv4si3): Likewise.
445 (ssse3_phsubdv2si3): Likewise.
446 (ssse3_phsubswv8hi3): Likewise.
447 (ssse3_phsubswv4hi3): Likewise.
448 (ssse3_pmaddubswv8hi3): Likewise.
449 (ssse3_pmaddubswv4hi3): Likewise.
450 (ssse3_pmulhrswv8hi3): Likewise.
451 (ssse3_pmulhrswv4hi3): Likewise.
452 (ssse3_pshufbv16qi3): Likewise.
453 (ssse3_pshufbv8qi3): Likewise.
454 (ssse3_psign<mode>3): Likewise.
455 (ssse3_psign<mode>3): Likewise.
456 (ssse3_palignrti): Likewise.
457 (ssse3_palignrdi): Likewise.
458 (abs<mode>2): Likewise.
459 (abs<mode>2): Likewise.
461 * config/i386/tmmintrin.h: New file.
463 * doc/extend.texi: Document SSSE3 built-in functions.
465 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
467 2006-10-22 Ira Rosen <irar@il.ibm.com>
469 * tree-vect-transform.c (vectorizable_load): Use the type of the
470 return value of the mask_for_load builtin to create realign_load
473 2006-10-22 Richard Sandiford <richard@codesourcery.com>
475 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
478 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
480 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
481 (UNSPEC_LDDQU): This.
482 * config/i386/sse.md (sse3_lddqu): Updated.
484 2006-10-21 Richard Guenther <rguenther@suse.de>
486 * builtins.c (expand_builtin_int_roundingfn_2): New function.
487 (expand_builtin): Use it to expand lrint instead of
488 expand_builtin_mathfn.
490 2006-10-21 Uros Bizjak <uros@kss-loka.si>
493 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
494 flag_unsafe_math_optimizations is set.
496 2006-10-21 Uros Bizjak <uros@kss-loka.si>
499 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
500 patterns to use memory input operand in x87->mem->XMM
501 reload sequences. Skip transformation for TARGET_K8.
503 2006-10-21 Uros Bizjak <uros@kss-loka.si>
505 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
506 force operand1 to register if both operands are memory operands.
507 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
508 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
509 if both operands are memory operands.
510 (truncdfsf2): Do not force operand1 to register if both operands
513 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
515 * Makefile.in (LIBS): Add $(GMPLIBS).
516 * doc/install.texi: Update GMP and MPFR requirements.
517 * doc/sourcebuild.texi (need_gmp): Delete.
519 2006-10-21 Richard Guenther <rguenther@suse.de>
521 PR tree-optimization/3511
522 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
523 got new invariant arguments during PHI translation.
525 2006-10-21 Richard Guenther <rguenther@suse.de>
528 * fold-const.c (fold_comparison): Fold signed comparisons
529 of the form X +- C1 CMP Y +- C2.
531 2006-10-21 Richard Guenther <rguenther@suse.de>
534 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
535 if flag_unsafe_math_optimizations is specified. We have
536 flag_finite_math_only for that.
537 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
538 or flag_unsafe_math_optimizations.
540 2006-10-21 Richard Guenther <rguenther@suse.de>
542 * builtins.c (fold_builtin_classify): Fix typo.
544 2006-10-21 Richard Guenther <rguenther@suse.de>
547 * simplify-rtx.c (simplify_const_relational_operation):
548 Do not constant-fold ORDERED and UNORDERED for
549 flag_unsafe_math_optimizations but only we do not need to
550 honor NaNs for the given mode.
552 2006-10-21 Richard Guenther <rguenther@suse.de>
555 * config/i386/i386.c (classify_argument): Remove redundant
556 walking of the BINFOs.
557 (contains_128bit_aligned_vector_p): Likewise.
559 2006-10-20 Mark Mitchell <mark@codesourcery.com>
561 * BASE-VER: Set to 4.3.0.
563 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
565 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
566 (tree_decl_with_vis): Remove artificial_pta_var flag.
567 * tree-flow.h (referenced_var_check_and_insert): Expose.
568 (nonlocal_all): New prototype.
569 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
570 (nonlocal_all): Make global.
571 (nonlocal_lookup): Remove.
572 (nonlocal_insert): Ditto.
573 (create_nonlocal_var): Do not call nonlocal_insert.
574 (get_nonlocal_id_for_type): Remove.
575 (find_global_initializers): Mark new vars we find for renaming.
576 (intra_create_variable_infos): Only create one nonlocal.
577 (expand_nonlocal_solutions): Remove.
578 (compute_points_to_sets): Don't call it.
579 (ipa_pta_execute): Ditto.
580 (init_alias_heapvars): Don't create nonlocal_for_type.
581 (delete_alias_heapvars): Don't remove it.
582 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
585 2006-10-19 Brooks Moses <bmoses@stanford.edu>
587 * doc/install.texi (Downloading GCC): Clarify mention of
588 Fortran in the "full distribution" description.
590 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
592 Fix PR tree-optimization/28778
593 Fix PR tree-optimization/29156
594 Fix PR tree-optimization/29415
595 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
596 (tree_decl_with_vis): Add artificial_pta_var flag.
597 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
599 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
600 (nonlocal_all): Ditto.
601 (struct variable_info): Add directly_dereferenced member.
602 (var_escaped_vars): New variable.
603 (escaped_vars_tree): Ditto.
604 (escaped_vars_id): Ditto.
605 (nonlocal_vars_id): Ditto.
606 (new_var_info): Set directly_dereferenced.
607 (graph_size): New variable
608 (build_constraint_graph): Use graph_size.
609 (solve_graph): Don't process constraints that cannot change the
610 solution, don't try to propagate an empty solution to our
612 (process_constraint): Set directly_dereferenced.
613 (could_have_pointers): New function.
614 (get_constraint_for_component_ref): Don't process STRING_CST.
615 (nonlocal_lookup): New function.
616 (nonlocal_insert): Ditto.
617 (create_nonlocal_var): Ditto.
618 (get_nonlocal_id_for_type): Ditto.
619 (get_constraint_for): Allow results vector to be empty in the case
621 Handle results of calls properly.
622 (update_alias_info): Update alias info stats on number and type of
624 (find_func_aliases): Use could_have_pointers.
625 (make_constraint_from_escaped): Renamed from
626 make_constraint_to_anything, and changed to make constraints from
628 (make_constraint_to_escaped): New function.
629 (find_global_initializers): Ditto.
630 (create_variable_info_for): Make constraint from escaped to any
631 global variable, and from any global variable to the set of
633 (intra_create_variable_infos): Deal with escaped instead of
634 pointing to anything.
635 (set_uids_in_ptset): Do type pruning on directly dereferenced
637 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
638 (init_base_vars): Fix comment, and initialize escaped_vars.
639 (need_to_solve): Removed.
640 (find_escape_constraints): New function.
641 (expand_nonlocal_solutions): Ditto.
642 (compute_points_to_sets): Call find_escape_constraints and
643 expand_nonlocal_solutions.
644 (delete_points_to_sets): Don't fall off the end of the graph.
645 (init_alias_heapvars): Initialize nonlocal_for_type and
647 (delete_alias_heapvars): Free nonlocal_for_type and null out
650 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
652 * fold-const.c (add_double): Rename to add_double_with_sign.
653 Add 'unsigned_p' parameter and take it into account for the overflow.
654 (mul_double): Rename to mul_double_with_sign.
655 Add 'unsigned_p' parameter and take it into account for the overflow.
656 (fold_div_compare): Call add_double_with_sign instead of add_double
657 and mul_double_with_sign instead of mul_double, passing them the
658 unsignedness of the type.
659 * tree.h (add_double): Macroize.
660 (add_double_with_sign): New prototype.
661 (mul_double): Macroize.
662 (mul_double_with_sign): New prototype.
664 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
666 * config/score/crti.asm: New file.
667 * config/score/crtn.asm: New file.
668 * config/score/elf.h: New file.
669 * config/score/mac.md: New file.
670 * config/score/misc.md: New file.
671 * config/score/mul-div.S: New file.
672 * config/score/predicates.md: New file.
673 * config/score/score7.md: New file.
674 * config/score/score.c: New file.
675 * config/score/score-conv.h: New file.
676 * config/score/score.h: New file.
677 * config/score/score.md: New file.
678 * config/score/score-mdaux.c: New file.
679 * config/score/score-mdaux.h: New file.
680 * config/score/score-modes.def: New file.
681 * config/score/score.opt: New file.
682 * config/score/score-protos.h: New file.
683 * config/score/score-version.h: New file.
684 * config/score/t-score-elf: New file.
685 * config.gcc: Add score*-*-* configurations(Update before).
686 * doc/invoke.texi (Score Options): New section.
687 * doc/md.texi (Score family): New section to document constraints.
689 2006-10-19 Nick Clifton <nickc@redhat.com>
691 * config/arm/arm.c: Fix spelling typo.
693 2006-10-18 Tom Tromey <tromey@redhat.com>
695 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
697 2006-10-18 Jan Hubicka <jh@suse.cz>
700 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
703 2006-10-18 Marcin Dalecki <martin@dalecki.de>
705 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
706 TSI_SAME_STMT, since that's the desired entity.
708 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
710 * config/s390/contraints.md: New file.
711 * config/s390/s390-protos.h (s390_mem_constraint,
712 s390_O_constraint_str, s390_N_constraint_str,
713 s390_float_const_zero_p): Function prototypes added.
714 * config/s390/s390.c (s390_extra_constraint_str,
715 s390_const_double_ok_for_constraint_p,
716 s390_const_ok_for_constraint_p): Functions removed.
717 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
718 s390_float_const_zero_p): New functions.
719 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
720 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
721 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
722 Macro definitions removed.
723 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
724 s390_extra_constraint_str): Functions removed.
726 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
727 Richard Sandiford <richard@codesourcery.com>
730 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
731 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
733 2006-10-16 Geoffrey Keating <geoffk@apple.com>
735 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
736 (DWARF2_FRAME_REG_OUT): Likewise.
737 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
738 (DWARF2_FRAME_REG_OUT): Likewise.
740 2006-10-17 Paul Brook <paul@codesourcery.com>
742 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
744 2006-10-16 Brooks Moses <bmoses@stanford.edu>
746 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
747 Standardize on "GNU Fortran" as the official name of the Fortran
750 2006-10-16 Mike Stump <mrs@apple.com>
752 * doc/invoke.texi (Darwin Options): Document -mkernel.
753 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
755 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
756 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
757 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
758 (OS_MISSING_ALTIVEC): Add.
759 * config/i386/i386.c (override_options): Add
760 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
761 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
762 -mkernel, -static or -mdynamic-no-pic is given.
763 (C_COMMON_OVERRIDE_OPTIONS): Add.
764 * config/darwin.opt (fapple-kext): Add.
766 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
767 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
769 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
770 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
771 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
772 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
773 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
775 (flag_apple_kext): Add.
776 (TARGET_KEXTABI): Add.
777 * config/darwin.c (darwin_handle_kext_attribute): Add.
778 (DARWIN_VTABLE_P): Add.
779 (darwin_binds_local_p): Add partial support for rebinding vtables
781 (darwin_kextabi_p): Add.
782 (darwin_override_options): Add.
783 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
784 (darwin_kextabi_p): Add.
785 (darwin_override_options): Add.
786 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
787 __DYNAMIC__ and __STATIC__ here.
789 2006-10-16 Brooks Moses <bmoses@stanford.edu>
791 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
792 Added mention of "make pdf" target, and Texinfo requirements for
795 2006-10-16 DJ Delorie <dj@redhat.com>
797 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
798 into the GOT in case we need a subreg of the address.
800 2006-10-16 Richard Guenther <rguenther@suse.de>
803 * doc/extend.texi (X86 Built-in Functions): Fix typos in
804 SSE builtin documentation. Document SSE2 builtins.
806 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
808 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
809 symbol in the output file for non-shared links when -nostdlib or
810 -nodefaultlibs isn't specified.
812 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
813 posix thread support.
815 2006-10-15 Jan Hubicka <jh@suse.cz>
818 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
819 declared always_inline even when not inlining.
821 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
822 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
823 Andrew Pinski <pinskia@gmail.com>
826 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
828 2006-10-15 Jan Hubicka <jh@suse.cz>
829 Richard Guenther <rguenther@suse.de>
832 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
833 process_function_and_variable_attributes on all variables, including
834 those discovered during cgraph construction phase.
836 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
838 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
840 2006-10-14 Uros Bizjak <uros@kss-loka.si>
842 * config/i386/athlon.md (athlon_fist): Add fisttp.
844 2006-10-13 David Edelsohn <edelsohn@gnu.org>
845 Ian Lance Taylor <ian@airs.com>
848 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
849 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
852 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
854 * config/score/score.c, config/score/score.h: Fix comment
857 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
860 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
863 2006-10-13 Eric Christopher <echristo@apple.com>
865 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
867 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
870 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
871 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
872 alignment supported by 32-bit ELF.
874 2006-10-13 Eric Christopher <echristo@apple.com>
876 * config/darwin.c (darwin_emit_unwind_label): Strip
877 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
879 2006-10-13 Richard Guenther <rguenther@suse.de>
881 PR tree-optimization/29446
882 * tree-vrp.c (fix_equivalence_set): Remove.
883 (extract_range_from_assert): Do not call fix_equivalence_set.
884 (debug_value_range): Print a newline.
885 (compare_name_with_value): For equivalence sets with
886 inconsistent value ranges conservatively bail out.
887 (compare_names): Likewise.
889 2006-10-13 David Edelsohn <edelsohn@gnu.org>
891 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
892 and MPFR for gfortran.
894 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
896 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
897 alignment supported by 32-bit ELF.
899 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
903 * c-typeck.c (digest_init): Always allow initializing vectors
904 that have static storage duration with compound literals.
905 * tree.c (build_type_attribute_qual_variant): New, based on
906 build_type_attribute_variant.
907 (build_type_attribute_variant): Rewrite using the former.
908 (make_vector_type): Use build_type_attribute_qual_variant to build
909 type variants. Use type_hash_canon on the others.
911 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
912 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
914 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
916 2006-10-12 Jan Hubicka <jh@suse.cz>
919 * c-decl.c (c_make_fname_decl): Do not segfault in case where
920 current_function_decl is set but current_function_scope is not.
922 2006-10-12 Jie Zhang <jie.zhang@analog.com>
924 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
925 emit_insn to emit eh_return_internal instruction.
926 (eh_return_internal): Explicitly set pc.
928 2006-10-11 Richard Guenther <rguenther@suse.de>
930 PR tree-optimization/28230
931 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
932 to the correct place.
934 2006-10-11 Richard Guenther <rguenther@suse.de>
937 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
940 2006-10-10 Brooks Moses <bmoses@stanford.edu>
942 * configure.ac: Added pdf to "Make-hooks"
943 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
944 targets and *.pdf file patterns in cleanup targets.
945 * configure: Regenerated.
947 2006-10-10 Anatoly Sokolov <aesok@post.ru>
949 * config/avr/predicates.md: New file.
950 * config/avr/avr.md: Include it.
951 (REG_SP): New constant.
952 (peepholes): Use predicates.
953 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
954 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
955 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
957 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
959 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
962 2006-10-10 Jakub Jelinek <jakub@redhat.com>
965 * builtins.c (var_decl_component_p): New function.
966 (fold_builtin_memset, fold_builtin_memory_op): Restrict
967 single entry optimization to variables and components thereof.
969 2006-10-10 Richard Guenther <rguenther@suse.de>
971 PR rtl-optimization/29323
972 * except.c (set_nothrow_function_flags): For functions
973 that do not bind local bail out early.
975 2006-10-10 Ben Elliston <bje@au.ibm.com>
977 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
980 2006-10-09 Richard Henderson <rth@redhat.com>
984 2006-10-09 Richard Guenther <rguenther@suse.de>
987 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
990 2006-10-09 Steve Ellcey <sje@cup.hp.com>
993 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
994 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
995 * configure: Regenerate.
996 * config.in: Regenerate.
998 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1000 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1002 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1004 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1005 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1006 Remove stray newline.
1008 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1010 * config/mips/mips.c (mips_classify_symbol): Do not return
1011 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1012 (mips_in_small_data_p): Tweak comments.
1014 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1016 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1018 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1020 * gimplify.c, sched-int.h: Fix comment typos.
1022 * sched-int.h: Fix comment typos.
1024 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1026 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1028 * sched-ebb.c (begin_schedule_ready): Use them.
1029 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1030 add_to_speculative_block, create_check_block_twin, speculate_insn,
1031 fix_jump_move, move_block_after_check): Ditto.
1032 * sched-rgn.c (new_ready): Ditto.
1034 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1036 PR rtl-optimization/29128
1037 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1038 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1039 allow interblock movement of speculation checks.
1041 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1044 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1045 casted to integer type.
1046 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1047 if they are significantly more expensive than [reg + index] ones.
1049 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1051 PR tree-optimization/29330
1052 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1053 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1054 on newly allocated ddrs.
1055 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1056 to VEC (loop_p, heap) pointer.
1057 (compute_data_dependences_for_loop): Adjust caller.
1058 (free_dependence_relations): Free DDR_LOOP_NEST.
1060 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1061 free DEPENDENCE_RELATIONS and DATAREFS.
1064 * builtins.c (expand_builtin_sync_operation,
1065 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1066 Use convert_to_mode to handle promoted arguments.
1068 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1070 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1072 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1074 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1076 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1078 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1079 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1080 Use <modeconstraint> instead of "r" as operand 1 constraint.
1082 2006-10-06 Olivier Hainque <hainque@adacore.com>
1084 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1085 Don't recurse on the pointed-to type.
1086 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1087 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1088 types with components of variable size.
1090 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1092 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1094 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1096 PR tree-optimization/29290
1097 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1101 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1102 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1105 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1106 the number of vector elements fill the rest with zeros.
1108 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1110 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1111 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1114 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1116 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1117 unnamed pattern into subsi3. Use correct constraints/predicates.
1118 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1119 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1121 2006-10-05 Ira Rosen <irar@il.ibm.com>
1123 * doc/loop.texi: Add data references analysis description.
1125 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1127 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1129 2006-10-04 Richard Henderson <rth@redhat.com>
1130 Jakub Jelinek <jakub@redhat.com>
1132 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1133 * builtin-types.def (BT_WORD): Make unsigned.
1134 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1135 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1136 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1137 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1138 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1139 * cgraph.c (decide_is_variable_needed): Look at force_output.
1140 Recurse for emulated tls.
1141 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1142 checks redundant with decide_is_variable_needed.
1143 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1144 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1146 * expr.c (emutls_var_address): New.
1147 (expand_expr_real_1): Expand emulated tls.
1148 (expand_expr_addr_expr_1): Likewise.
1149 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1150 * output.h (emutls_finish): Declare.
1151 * toplev.c (compile_file): Call it.
1152 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1153 address before wrapping in CONST.
1154 * varasm.c (emutls_htab, emutls_object_type): New.
1155 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1156 (get_emutls_object_name, get_emutls_object_type): New.
1157 (get_emutls_init_templ_addr, emutls_decl): New.
1158 (emutls_common_1, emutls_finish): New.
1159 (assemble_variable): When emulating tls, swap decls; generate
1160 constructor for the emutls objects.
1161 (do_assemble_alias): When emulating tls, swap decl and target name.
1162 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1164 * emutls.c: New file.
1165 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1166 tls_object for real tls.
1168 2006-10-04 Zack Weinberg <zackw@panix.com>
1170 Fix bug in constraint-check generator, reported by Rask Ingemann
1172 * genpreds.c (add_constraint): Don't remove anything from the
1174 (write_tm_constrs_h): Detect whether "op" argument is used, and
1175 mark it ARG_UNUSED if it isn't.
1176 (write_insn_const_int_ok_for_constraint): Skip the part of the
1177 expression that would test whether "op" (which is not available
1178 here) is a CONST_INT.
1180 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1183 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1185 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1187 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1188 current Leopard versions.
1189 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1191 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1193 * doc/install.texi: Fix typos.
1195 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1197 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1198 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1199 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1201 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1203 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1204 arg to be struct mach_header_64* instead.
1206 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1209 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1210 side effects after the outer expression's post side effects.
1212 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1214 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1215 comments to reflect actual behavior and relationship between
1216 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1218 * doc/c-tree.texi (Working with declarations): Fix documentation
1219 of FIELD_DECL likewise.
1221 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1224 * doc/extend.texi: Add used variable attribute description.
1226 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1229 * c.opt (Woverride-init): New.
1230 * c-opts.c (c_common_post_options): Default warn_override_init to
1232 * c-typeck.c (add_pending_init, output_init_element): Warn for
1233 overriding initializers without side effects.
1234 * doc/invoke.texi (-Woverride-init): Document.
1237 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1239 PR rtl-optimization/28096
1240 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1241 assignment has already been used as a destination earlier in the block.
1243 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1245 * builtins.c (expand_builtin_setjmp): Delete.
1246 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1247 <BUILT_IN_SETJMP_SETUP>: New case.
1248 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1249 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1250 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1251 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1252 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1253 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1254 (lower_function_body): Initialize it to false. If it is set to true
1255 at the end of the processing, emit the setjmp dispatcher.
1256 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1257 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1258 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1259 on the rhs of the assignment.
1260 (lower_builtin_setjmp): New function.
1261 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1262 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1263 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1264 to detect calls that can go to non-local labels. Use specific
1265 helper to create the abnormal edges associated with them.
1266 <MODIFY_EXPR>: Likewise.
1267 (make_abnormal_goto_edges): New function extracted from...
1268 (make_goto_expr_edges): ...here. Call it for computed gotos.
1269 (simple_goto_p): Minor tweak.
1270 (tree_can_make_abnormal_goto): New predicate.
1271 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1272 (tree_purge_dead_abnormal_call_edges): New function.
1273 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1274 (tree_purge_dead_abnormal_call_edges): Likewise.
1275 (make_abnormal_goto_edges): Likewise.
1276 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1277 Purge all dead abnormal edges if the call was in the last statement.
1278 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1279 (execute_fixup_cfg): If there are non-local labels in the function,
1280 scan the basic blocks and split them at calls that can go to non-local
1281 labels or add missing abnormal call edges. Write down the CFG in the
1283 (pass_fixup_cfg): Remove TODO_dump_func flag.
1284 * unwind-sjlj.c: Poison setjmp.
1285 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1286 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1287 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1288 (DONT_USE_BUILTIN_SETJMP): Document it.
1290 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1293 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1294 to 1 when __ppc64__ is defined.
1295 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1297 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1299 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1301 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1302 * config/ia64/unwind-hpux.c: Delete.
1304 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1306 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1307 on the element before gimplifying it, instead of punting if it is of
1310 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1312 * doc/loop.texi: New file.
1313 * doc/gccint.texi: Reference loop.texi.
1314 * Makefile.in (loop.texi): Add.
1316 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1318 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1320 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1321 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1323 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1325 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1327 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1329 * doc/install.texi: Document required versions of GMP and MPFR.
1331 2006-09-27 Paul Brook <paul@codesourcery.com>
1334 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1336 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1338 * reload1.c (alter_reg): Require the alignment of the stack slot to
1339 be at least reg_max_ref_width bytes.
1340 (scan_paradoxical_subregs): Record the largest width in
1343 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1347 * tree-nested.c (struct nesting_info): Added static_chain_added.
1348 (convert_call_expr): Set static_chain_added when adding static
1349 chain. Handle OMP_PARALLEL and OMP_SECTION.
1351 2006-09-25 Matthias Klose <doko@debian.org>
1353 * doc/invoke.texi: Add missing full stop.
1355 2006-09-25 Richard Henderson <rth@redhat.com>
1357 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1358 before cgraph_function_flags_ready.
1360 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1361 Adam Nemet <anemet@caviumnetworks.com>
1363 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1364 determine_common_wider_type): New functions.
1365 (get_computation_aff): Use them to simplify arithmetic between
1366 UBASE and CBASE if they are shortened from the same type.
1368 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1371 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1372 -2147483647 - 1 instead of 0x80000000.
1374 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1376 * flags.h (HONOR_NANS): Fix typo in comment.
1378 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1380 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1382 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1386 * tree.c (merge_attributes, attribute_list_contained): If both
1387 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1389 * c-typeck.c (comptypes_internal): Don't consider aggregates
1390 in different TUs as compatible if there one set of attributes is
1391 not a subset of the other type's attributes.
1392 (composite_type): Try harder not to create a new aggregate type.
1394 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1396 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1397 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1398 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1399 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1400 than replicating condition above.
1401 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1403 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1404 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1405 the linker by default.
1407 2006-09-22 Mike Stump <mrs@apple.com>
1409 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1412 2006-09-22 Richard Guenther <rguenther@suse.de>
1415 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1416 sort of stack variables stable.
1418 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1421 * explow.c (force_reg): Set REG_POINTER flag according to
1424 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1426 PR tree-optimization/28888
1427 * tree-if-conv.c (combine_blocks): Rewritten.
1428 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1429 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1431 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1433 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1436 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1438 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1440 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1442 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1444 2006-09-21 Roger Sayle <roger@eyesopen.com>
1447 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1448 dw_fde_current_label, to be the start of the function, i.e. the same
1449 value as dw_fde_begin.
1451 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1453 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1454 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1455 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1456 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1457 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1458 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1459 (abs<mode>2, neg<mode>2): Likewise.
1460 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1461 (*mips_abs_ps): New define_insn.
1463 2006-09-20 Josh Conner <jconner@apple.com>
1466 * calls.c (expand_call): Allow reuse of structure return stack
1469 2006-09-20 Paul Brook <paul@codesourcery.com>
1471 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1474 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1476 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1477 clean up terminology.
1479 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1482 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1483 with tablejumps in them.
1485 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1488 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1489 wrap it into TARGET_EXPR.
1491 2006-09-20 Eric Christopher <echristo@apple.com>
1493 * config/i386/i386.c (x86_fisttp): Remove.
1494 * config/i386/i386.h (x86_fisttp): Ditto.
1495 (TARGET_FISTTP): Ditto.
1497 2006-09-19 Eric Christopher <echristo@apple.com>
1499 * doc/tm.texi (OBJC_JBLEN): Describe.
1500 * config/i386/darwin.h (OBJC_JBLEN): Define.
1501 * config/rs6000/darwin.h: Ditto.
1503 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1505 PR rtl-optimization/21299
1506 * reload1.c (reload): Purge invalid ASMs in the final pass.
1508 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1511 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1512 pointers as legitimate constants.
1514 2006-09-19 Paul Brook <paul@codesourcery.com>
1517 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1519 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1521 PR tree-optimization/28887
1522 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1523 component parts from the reference.
1524 (gather_memory_references_ref): Record the reference without the
1525 nonaddressable component parts.
1527 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1530 * c-opts.c (c_common_handle_option): Ignore the -std options
1531 if the input language is assembly.
1533 2006-09-17 Ira Rosen <irar@il.ibm.com>
1536 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1538 (ptr_ptr_may_alias_p): Likewise.
1539 (record_record_differ_p): New function.
1540 (base_object_differ_p): Call record_record_differ_p.
1542 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1545 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1546 away for the expr argument.
1548 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1551 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1552 before using it for dumping after vectorizing loops.
1554 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1555 Jack Howarth <howarth@bromo.med.uc.edu>
1558 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1559 skip on error_mark_node.
1560 (rs6000_darwin64_record_arg_recurse): Likewise.
1562 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1564 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1565 * doc/rtl.texi: Remove related documentation.
1567 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1569 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1572 2006-09-15 Jim Wilson <wilson@specifix.com>
1574 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1575 Handle symbol offsets same as they are handled in ia64_expand_move
1578 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1580 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1581 Add forgotten parameter to the fprintf call.
1583 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1585 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1587 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1589 * doc/contrib.texi: Add my entry.
1591 2006-09-15 Nick Clifton <nickc@redhat.com>
1593 * doc/md.texi (Processor pipeline description): Fix typo in
1594 example of how to use the absence_set directive and reword the
1595 description to make it slightly easier to read.
1597 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1599 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1600 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1601 expanding the number of iterations.
1602 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1604 * cfgrtl.c (emit_insn_at_entry): New function.
1605 * rtl.h (emit_insn_at_entry): Declare it.
1606 * integrate.c (emit_initial_value_sets): Use it.
1608 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1610 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1612 (struct loop_work and related VEC declarations): Delete.
1613 (bfin_dump_loops): Print out new member bad.
1614 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1615 (bfin_scan_loop): Don't recurse.
1616 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1617 loops. No longer need to update outer loops if the current one is
1618 found bad. Move some validitiy checks to bfin_discover_loop.
1619 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1620 but changed not to check for nesting. Also changed to use the new bad
1622 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1623 time. Use bitmap based test to discover loop nesting.
1625 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1627 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1630 2006-09-14 Richard Guenther <rguenther@suse.de>
1631 Kazu Hirata <kazu@codesourcery.com>
1633 PR middle-end/28884.
1634 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1635 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1636 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1637 with TARGET_FUNCTION_VALUE.
1639 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1642 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1644 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1646 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1649 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1652 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1655 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1657 * basic_block.h (bb_has_eh_pred): Fix comment.
1659 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1661 * flow.c (calculate_global_regs_live): Invalidate eh registers
1662 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1663 (propagate_block): Handle eh registers as if they were set at basic
1665 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1667 * global.c (global_conflicts): Make eh registers to conflict with
1668 pseudos live at basic block begin.
1669 * basic_block.h (bb_has_eh_pred): New function.
1671 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1673 PR rtl-optimization/28982
1674 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1675 index of a PRE_MODIFY or POST_MODIFY address.
1676 * reload1.c (inc_for_reload): Use find_replacement on the original
1677 base and index registers.
1679 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1681 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1682 for -Os. Update __m128 alignment requirement.
1684 2006-09-13 Jan Hubicka <jh@suse.cz>
1686 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1688 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1690 PR rtl-optimization/28243
1691 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1692 the insn to which the note was originally attached.
1694 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1695 Roger Sayle <roger@eyesopen.com>
1697 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1698 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1699 on platforms that don't use dwarf for debug info.
1701 2006-09-12 Jason Merrill <jason@redhat.com>
1704 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1705 hard_frame_pointer_rtx after using it to update the frame pointer.
1707 2006-09-12 Roger Sayle <roger@eyesopen.com>
1709 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1710 (TARGET_ASM_CLOSE_PAREN): Likewise.
1711 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1712 (TARGET_ASM_CLOSE_PAREN): Likewise.
1714 2006-09-12 Roger Sayle <roger@eyesopen.com>
1717 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1718 frame information for frames larger than 512 Kbytes on Tru64 when
1719 using the native assembler.
1721 2006-09-12 Roger Sayle <roger@eyesopen.com>
1725 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1726 and symbols. Instead use the implementation from cse.c's hash_rtx.
1728 2006-09-12 Jan Hubicka <jh@suse.cz>
1730 PR rtl-optimization/28071
1731 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1732 (vect_transform_loop): Likewise.
1733 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1734 (new_loop_vec_info): Likewise.
1735 (destroy_loop_vec_info): Likewise.
1736 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1737 (create_stmt_ann): Likewise.
1738 (create_tree_ann): Rename to ...
1739 (create_tree_common_ann): ... this one; allocate only the common part
1741 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1742 (get_value_handle): Likewise.
1743 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1744 get_tree_common_ann.
1745 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1746 (vinfo_for_stmt): Use stmt annotations.
1747 * tree-flow.h (tree_ann_common_t): New type.
1748 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1749 (tree_ann, get_tree_ann, create_tree_ann): New.
1750 * tree-flow-inline.h (get_function_ann): Do more type checking.
1751 (stmt_ann): Likewise.
1752 (tree_ann): Rename to ...
1753 (tree_common_ann): ... this one; return ony common_ann
1754 (get_tree_ann): Rename to ...
1755 (tree_common_ann): This one; return only common_ann.
1756 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1759 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1761 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1762 with_cpu by default.
1764 * dwarf2out.c (dwarf_file_data): New.
1765 (enum dw_val_class): Add dw_val_class_file.
1766 (struct dw_val_struct): Add val_file.
1767 (file_table): Change to a hash table.
1768 (file_table_emitted): Delete.
1769 (file_table_last_lookup_index): Delete.
1770 (emitcount): Delete.
1771 (last_emitted_file): New.
1772 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1773 (init_file_table): Delete.
1774 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1775 (AT_addr): Add comment.
1779 (print_die): Handle dw_val_class_file.
1780 (print_dwarf_line_table): Update for new file table structure.
1781 (attr_checksum): Do checksum a filename.
1782 (same_dw_val_p, same_attr_p): Do compare a filename.
1783 (size_of_die): Handle dw_val_class_file.
1784 (value_format): Likewise.
1785 (output_die): Likewise. Also, call maybe_emit_file here.
1786 (struct file_info): Constify filenames. Make file_idx a pointer
1787 to a struct dwarf_file_data.
1788 (struct dir_info): Constify directory names. Remove 'used' field.
1789 (struct file_name_acquire_data): New.
1790 (file_name_acquire): New.
1791 (output_file_names): Modify to handle new file data structures.
1792 (add_src_coords_attributes): Use add_AT_file.
1793 (add_call_src_coords_attributes): Likewise.
1794 (dwarf2out_imported_module_or_decl): Likewise.
1795 (gen_subprogram_die): Modify for new file data structures.
1796 (gen_variable_die): Likewise.
1797 (file_table_eq): New.
1798 (file_table_hash): New.
1799 (file_table_last_lookup): New.
1800 (lookup_filename): Rewrite to handle new file data structures.
1801 (maybe_emit_file): Rewrite to handle new file data structures.
1802 (dwarf2out_source_line): Always call lookup_filename and
1804 (dwarf2out_init): Create file_table here.
1805 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1806 (file_table_relative_p): New.
1807 (dwarf2out_finish): Change detection of relative filenames
1808 to work with new file data structures. Move output_line_info call
1809 after debug_info output.
1811 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1816 * config/i386/i386.c (override_options): Always default to 16
1817 byte stack boundary.
1819 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1822 * var-tracking.c (dump_dataflow_set): Start dumping at
1824 (clobber_variable_part): Kill only the variable part in
1825 registers holding it, leaving other variables alone.
1827 2006-09-11 Josh Triplett <josh@freedesktop.org>
1829 * doc/extend.texi (Other Builtins): Actually use the macro
1830 argument in the documentation example for
1831 __builtin_types_compatible_p.
1833 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1835 PR rtl-optimization/28726
1836 * sched-deps.c (sched_analyze_reg): New function extracted from...
1837 (sched_analyze_1): ...here. Call it to analyze references to
1838 registers. Treat again writes to a stack register as writing to the
1840 (sched_analyze_2): ...and here. Call it to analyze references to
1841 registers. Treat again reads of a stack register as reading the
1844 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1845 David Edelsohn <edelsohn@gnu.org>
1848 * config/rs6000/spe.md (frob_df_di): Remove %H.
1849 (frob_di_df): Remove %H. Change evmergelo to mr.
1850 (frob_di_df_2): Remove %H. Change evldd to two loads.
1852 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1854 * doc/cpp.texi: Fix names of charset options.
1856 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1859 * config/i386/i386.c (override_options): Use 128-bit
1860 stack boundary always for 64bits.
1862 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1864 PR rtl-optimization/28636
1865 * combine.c (force_to_mode): Test for side-effects before
1866 substituting by zero.
1867 (simplify_shift_const): Likewise for zero or other constants.
1869 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1872 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1875 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1878 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1879 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1880 returned by mode_for_size, rather than the mode of src itself,
1881 to choose between 32-bit and 64-bit patterns.
1882 (mips_mem_fits_mode_p): New function.
1883 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1884 that the size of the source matches the size of the destination.
1885 (mov_<store>l, mov_<store>r): Likewise.
1887 2006-09-10 Eric Christopher <echristo@apple.com>
1889 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1892 2006-09-09 Eric Christopher <echristo@apple.com>
1895 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1898 2006-09-09 Roger Sayle <roger@eyesopen.com>
1899 Nicolas Setton <setton@adacore.com>
1901 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1903 2006-09-10 Andreas Schwab <schwab@suse.de>
1905 * config/m68k/m68k.md (bungt_rev): New pattern.
1907 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1908 Dale Johannesen <dalej@apple.com>
1911 * regclass.c (struct reg_pref): Update documentation.
1912 (regclass): Set prefclass to NO_REGS if memory is the best option.
1913 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1915 2006-09-08 Eric Christopher <echristo@apple.com>
1917 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1918 * config/t-slibgcc-darwin: Support x86_64 multilib.
1919 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1920 Return 1 for x86_64-darwin.
1921 * config/i386/t-darwin: Add m64 multilib.
1922 (LIB2_SIDITI_CONV_FUNCS): Use.
1923 (LIB2FUNCS_EXTRA): Ditto.
1924 * config/i386/darwin.h: Support x86_64.
1925 * config/i386/i386.c (override_options): Turn on flag_pic
1926 for x86_64-darwin. Disable flag_omit_pointer.
1927 (get_pc_thunk_name): Assert !TARGET_64BIT.
1928 (legitimate_address_p): Disable machopic addressing for
1930 (legitimize_pic_address): Ditto.
1931 (ix86_expand_move): Ditto.
1932 (ix86_expand_call): Ditto.
1933 (machopic_output_stub): Ditto.
1934 * config/darwin.c (machopic_select_section): Support literal16.
1935 (machopic_select_rtx_section): Ditto.
1936 * config/darwin-sections.def: Ditto.
1937 * config/darwin-64.c: New.
1939 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1942 * c-tree.h (struct c_arg_info): Add pending_sizes.
1943 * c-parser.c (c_parser_parms_declarator,
1944 c_parser_parms_list_declarator): Initialize pending_sizes.
1945 * c-decl.c (get_parm_info): Initialize pending_sizes.
1946 (get_parm_info): Set pending_sizes.
1947 (grokdeclarator): Call put_pending_sizes for parameters for
1948 function definition only.
1950 2006-09-07 Jason Merrill <jason@redhat.com>
1953 * varasm.c (output_constant): Only strip actual no-op conversions.
1956 * config/i386/i386.c (override_options): Use 128-bit
1957 stack boundary if -msse.
1959 2006-09-07 Eric Christopher <echristo@apple.com>
1961 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1963 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1966 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1968 * dwarf2out.c: Remove strange characters from comment above
1969 dwarf2out_frame_debug_expr.
1971 2006-09-07 Eric Christopher <echristo@apple.com>
1973 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1974 * config/darwin.h: ... to here.
1976 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1978 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1980 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1981 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1983 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1984 TARGET_PARTIAL_FLAG_REG_STALL.
1985 (*ashldi3_cconly_rex64): Likewise.
1986 (*ashlsi3_cmp): Likewise.
1987 (*ashlsi3_cconly): Likewise.
1988 (*ashlsi3_cmp_zext): Likewise.
1989 (*ashlhi3_cmp): Likewise.
1990 (*ashlhi3_cconly): Likewise.
1991 (*ashlqi3_cmp): Likewise.
1992 (*ashlqi3_cconly): Likewise.
1993 (*ashrdi3_cmp_rex64): Likewise.
1994 (*ashrdi3_cconly_rex64): Likewise.
1995 (*ashrsi3_cmp): Likewise.
1996 (*ashrsi3_cconly): Likewise.
1997 (*ashrsi3_cmp_zext): Likewise.
1998 (*ashrhi3_cmp): Likewise.
1999 (*ashrhi3_cconly): Likewise.
2000 (*ashrqi3_cmp): Likewise.
2001 (*ashrqi3_cconly): Likewise.
2002 (*lshrdi3_cmp_rex64): Likewise.
2003 (*lshrdi3_cconly_rex64): Likewise.
2004 (*lshrsi3_cmp): Likewise.
2005 (*lshrsi3_cconly): Likewise.
2006 (*lshrsi3_cmp_zext): Likewise.
2007 (*lshrhi3_cmp): Likewise.
2008 (*lshrhi3_cconly): Likewise.
2009 (*lshrqi2_cmp): Likewise.
2010 (*lshrqi2_cconly): Likewise.
2012 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2015 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2016 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2017 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2018 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2019 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2020 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2021 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2022 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2023 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2024 implement only CC setting effects of shift instructions.
2026 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2028 * doc/contrib.texi: Add myself.
2030 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2033 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2034 was set by the user.
2036 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2039 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2040 (divsi_inv_m1): Use them.
2041 (UNSPEC_DIV_INV_TABLE): New constant.
2043 2006-09-06 James E Wilson <wilson@specifix.com>
2046 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2047 then call count_or_remove_death_notes.
2049 2006-09-06 Jason Merrill <jason@redhat.com>
2052 * tree-inline.c (copy_result_decl_to_var): New fn.
2053 (declare_return_variable): Use it. Call declare_inline_vars here.
2054 (expand_call_inline): Not here.
2056 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2058 * doc/contrib.texi: Update my entry.
2060 2006-09-06 Nick Clifton <nickc@redhat.com>
2062 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2064 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2067 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2068 (canonicalize_induction_variables): Likewise.
2069 (tree_unroll_loops_completely): Likewise.
2070 (tree_ssa_prefetch_arrays): Likewise.
2071 (remove_empty_loops): Likewise.
2072 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2073 TODO_cleanup_cfg instead of directly calling
2074 cleanup_tree_cfg_loop.
2075 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2077 (tree_unroll_loops_completely): Likewise.
2078 (remove_empty_loops): Likewise.
2079 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2080 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2081 of tree_ssa_unswitch_loops.
2082 (tree_ssa_loop_ivcanon): Use the return value of
2083 canonicalize_induction_variables.
2084 (tree_ssa_empty_loop): Use the return value of
2086 (tree_complete_unroll): Use the return value of
2087 tree_unroll_loops_completely.
2088 (tree_ssa_loop_prefetch): Use the return value of
2089 tree_ssa_prefetch_arrays.
2090 * passes.c (execute_todo): Before Cleanup CFG, set
2091 updating_used_alone and after cleanup CFG, call
2092 recalculate_used_alone.
2094 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2097 * tree-vect-transform.c (vectorizable_condition): Move the check
2098 for the type after the check for simple condition.
2100 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2101 Kaz Kojima <kkojima@gcc.gnu.org>
2104 * mode-switching.c (optimize_mode_switching): Make the destination
2105 block of an abnormal edge have no anticipatable mode. Don't
2106 insert mode switching code at the end of the source block of
2109 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2111 PR rtl-optimization/26847
2112 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2113 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2114 (simplify_plus_minus): Count n_constants while filling ops. Replace
2115 qsort with insertion sort. Before going through the array to simplify
2116 pairs, sort it. Delay early exit until after the first sort, exiting
2117 only if no swaps occurred. Simplify pairs in reversed order, without
2118 special-casing the first iteration. Pack ops after simplifying pairs.
2120 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2122 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2123 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2124 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2125 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2127 2006-09-05 Richard Guenther <rguenther@suse.de>
2129 PR tree-optimization/28900
2130 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2131 compound conditional before creating COND_EXPR condition.
2133 2006-09-05 Richard Guenther <rguenther@suse.de>
2135 PR tree-optimization/28905
2136 * tree-vrp.c (fix_equivalence_set): Manually implement
2137 !value_ranges_intersect_p to also handle symbolic ranges.
2139 2006-09-05 Richard Guenther <rguenther@suse.de>
2142 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2145 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2147 PR rtl-optimization/27616
2148 * cse.c (table_size): New static variable.
2149 (new_basic_block): Initialize it to 0.
2150 (remove_from_table): Decrement it.
2151 (insert): Increment it.
2152 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2153 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2154 fold_rtx_mem_1 if under the cap.
2155 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2156 the lookup of the equivalent expression and test for equality of the
2157 first operand of the equivalent expression before in turn looking up
2158 an equivalent constant for the second operand.
2160 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2163 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2164 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2165 pointer, instead of assuming it is possible to derive the
2166 correct args size from a call insn.
2168 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2171 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2172 (fold_builtin_mempcpy): Rename to...
2173 (fold_builtin_memory_op): ... this. Optimize one element copy
2175 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2177 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2178 (expand_builtin_memcpy, expand_builtin_mempcpy,
2179 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2180 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2181 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2182 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2184 2006-09-01 DJ Delorie <dj@redhat.com>
2186 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2187 (stzx_16): Likewise.
2188 ("stzx_24_<mode>"): Likewise.
2189 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2190 ("cmp<mode>_op"): New.
2191 (cmp<mode>): Change to expander; just save operands.
2193 (b<code>): Change to expander, emit compare here.
2194 (s<code>_op): Change to use split and expander.
2195 (s<code>_24_op): Likewise.
2196 (s<code>_<mode>): New.
2197 (s<code>_<mode>_24): New.
2198 (movqicc_<code>_<mode): New.
2199 (movhicc_<code>_<mode>): New.
2202 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2203 (m32c_pend_compare): New.
2204 (m32c_unpend_compare): New.
2205 (m32c_expand_scc): New.
2206 (m32c_expand_movcc): Emit the compare also.
2207 * config/m32c/predicates.md (mra_nopp_operand): New.
2209 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2210 Richard Guenther <rguenther@suse.de>
2211 Adam Nemet <anemet@caviumnetworks.com>
2214 * builtins.c (get_pointer_alignment): Handle more forms
2215 of base addresses that can be used to derive more precise
2216 information about alignment.
2218 2006-09-01 Jason Merrill <jason@redhat.com>
2221 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2224 * gimplify.c (voidify_wrapper_expr): Handle null type.
2226 2006-09-01 Josh Conner <jconner@apple.com>
2229 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2230 (execute_return_slot_opt): Use it.
2232 2006-08-31 Josh Conner <jconner@apple.com>
2235 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2236 returning aggregates.
2238 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2240 PR tree-optimization/28839
2241 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2242 blocks in that phi arguments appear.
2244 2006-08-31 Roger Sayle <roger@eyesopen.com>
2247 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2248 NULL, otherwise use an advance_loc4 to adjust relative to the
2250 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2251 (dwarf2out_switch_text_section): Reset the current label to avoid
2252 using advance_loc4 over section boundaries.
2254 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2257 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2258 r12 + SYMBOLIC_CONST.
2260 2006-08-30 Richard Guenther <rguenther@suse.de>
2262 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2264 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2266 PR rtl-optimization/27735
2267 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2268 Add new argument to keep track of whether an irreducible region
2269 was affected. All callers changed.
2270 (fix_irreducible_loops): Removed.
2271 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2272 flags were invalidated.
2274 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2276 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2277 instead of SF operands.
2278 (*fop_df_comm_sse): Likewise.
2279 (*fop_df_comm_i387): Likewise.
2280 (*fop_df_1_mixed): Likewise.
2281 (*fop_df_1_sse): Likewise.
2283 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2284 J"orn Rennecke <joern.rennecke@st.com>
2286 PR tree-optimization/17506
2287 * tree-ssa.c (warn_uninit): If warning about a location outside of
2288 the current function, note where the variable was declared.
2290 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2292 PR tree-optimization/28411
2293 * double-int.c (double_int_div): Use double_int_divmod.
2294 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2295 double_int_mod, double_int_smod, double_int_umod): New functions.
2296 * double-int.h (double_int_divmod, double_int_sdivmod,
2297 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2299 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2301 (get_computation_aff, get_computation_cost_at): Handle double_int
2302 return type of constant_multiple_of.
2304 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2307 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2308 an implicit conversion.
2310 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2312 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2314 2006-08-27 Roger Sayle <roger@eyesopen.com>
2316 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2319 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2321 * config/i386/crtfastmath.c: Fix a comment typo.
2323 2006-08-26 Roger Sayle <roger@eyesopen.com>
2325 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2326 temporary visit flags on CASE_LABEL_EXPRs.
2327 * c-common.c (match_case_to_enum): Add function comment. Avoid
2328 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2329 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2330 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2331 a constant, only warn if that constant value isn't handled.
2333 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2336 * input.h (restore_input_file_stack): Declare.
2337 (INPUT_FILE_STACK_BITS): Define.
2338 * toplev.c (fs_p, input_file_stack_history,
2339 input_file_stack_restored, restore_input_file_stack): New.
2340 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2341 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2342 (pop_srcloc): Don't free old state of stack.
2344 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2347 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2348 (PowerPC Type Attributes): New.
2350 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2352 * config/xtensa/xtensa.c (function_arg_boundary): New.
2353 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2355 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2356 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2358 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2361 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2364 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2366 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2367 (verify_local_live_at_start): Likewise.
2369 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2372 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2373 omp_add_variable): Treat sizes as variable whenever not
2376 2006-08-26 Richard Guenther <rguenther@suse.de>
2379 * fold-const.c (fold_binary): Fold temporary to correct
2380 type before constructing new comparison.
2382 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2385 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2386 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2388 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2391 * c-decl.c (start_function): Don't try to process prototype
2392 information from old declaration that isn't a function.
2394 2006-08-25 Jan Hubicka <jh@suse.cz>
2397 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2399 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2402 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2405 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2407 PR tree-optimization/16876
2408 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2409 exit if PARM doesn't match VALUE.
2411 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2413 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2414 literal_prefix directive.
2415 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2416 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2417 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2419 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2422 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2423 predicate to general_operand. Add 0->y and I->r alternatives.
2425 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2427 * doc/tm.texi: Fix a typo.
2428 * predict.c: Fix comment typos.
2430 2006-08-25 Nick Clifton <nickc@redhat.com>
2432 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2433 assertions of "cpu" and "machine".
2435 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2438 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2439 the access through a base which has an alias set of 0 cannot
2442 2006-08-24 Bill Wendling <wendling@apple.com>
2444 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2446 2006-08-24 Jan Hubicka <jh@suse.cz>
2448 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2450 2006-08-24 Jan Hubicka <jh@suse.cz>
2453 * cgraph.c: Fix comments.
2454 (cgraph_varpool_mark_needed_node): Mark only variables not already
2456 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2457 (cgraph_varpool_assembled_nodes_queue): New static variable.
2458 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2459 (cgraph_varpool_output_debug_info): New function.
2460 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2461 * Makefile.in: Add gt-cgraphunit.h
2463 2006-08-24 Jan Hubicka <jh@suse.cz>
2465 * predict.c (probability_reliable_p): New predicate.
2466 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2467 (predict_loops): Do not predict loop exit with less than 2%
2469 * basic-block.h (edge_probability_reliable_p,
2470 br_prob_note_reliable_p): Declare.
2471 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2472 prediction when static predictor is not reliable.
2473 * rs6000.c (output_cbranch): Likewise.
2475 2006-08-23 Stuart Hastings <stuart@apple.com>
2478 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2479 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2481 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2484 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2485 complex values, nor for generic vector values.
2487 2006-08-22 Richard Guenther <rguenther@suse.de>
2490 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2491 parameter. Convert arguments to arithmetic expression to the
2493 (analyze_scalar_evolution_1): Adjust caller.
2495 2006-08-22 Jan Hubicka <jh@suse.cz>
2497 Patch by Paolo Bonzini
2498 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2501 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2503 PR tree-optimization/28003
2504 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2505 before grouping aliases.
2507 2006-08-22 Roger Sayle <roger@eyesopen.com>
2509 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2510 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2512 2006-08-21 Jason Merrill <jason@redhat.com>
2515 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2516 wrapper. Loop to handle nested wrappers.
2517 (gimplify_bind_expr): Remove temp parameter.
2518 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2519 and STATEMENT_LIST on the rhs.
2520 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2521 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2522 (gimplify_target_expr): Remove special BIND_EXPR handling.
2524 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2526 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2529 2006-08-21 Olivier Hainque <hainque@adacore.com>
2531 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2532 Arrange for the temporary captures of components overlapping the lhs
2533 to happen before the lhs is possibly cleared.
2535 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2537 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2538 necessary places to pass the correct "number of registers" values
2541 2006-08-20 Jan Hubicka <jh@suse.cz>
2543 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2544 (create_name_tags): Instead of quadratic checking use hashtable.
2545 * bitmap.h: Include hashtab.h.
2546 (bitmap_hash): Declare.
2547 * bitmap.c (bitmap_hash): New function.
2549 2006-08-20 Jan Hubicka <jh@suse.cz>
2551 PR rtl-optimization/28071
2552 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2554 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2555 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2556 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2557 cgraph_decide_inlining_incrementally): Update use of
2558 cgraph_check_inline_limits.
2559 * cgraph.c (edge_hash, edge_eq): New function.
2560 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2561 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2562 cgraph_remove_node): Maintain call site hash.
2563 * cgraph.h (struct cgraph_node): Add call_site_hash.
2564 (cgraph_set_call_stmt): New function.
2566 2006-08-20 Jan Hubicka <jh@suse.cz>
2568 PR rtl-optimization/28071
2569 * reload1.c (reg_has_output_reload): Turn into regset.
2570 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2571 choose_reload_regs, emit_reload_insns): Update to new
2572 reg_has_output_reload.
2574 2006-08-20 Jan Hubicka <jh@suse.cz>
2577 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2578 function body sizes.
2579 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2581 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2584 * tree.c (handle_dll_attribute): Return early if not a
2585 var or function decl.
2587 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2590 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2591 alignment of SPE vector types.
2593 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2595 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2597 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2600 * cgraph.h (struct cgraph_node): Remove externally_visible
2602 * cgraphunit.c (process_function_and_variable_attributes): Set
2603 local.externally_visible rather than externally_visible.
2606 * c-common.c (handle_externally_visible_attribute): First look
2607 at TREE_CODE and only if it is function or var decl, check for
2608 non-public objects. Don't warn for DECL_EXTERNAL.
2609 * cgraphunit.c (process_function_and_variable_attributes): Warn
2610 if externally_visible attribute is used on non-public object.
2612 2006-08-17 Jan Hubicka <jh@suse.cz>
2614 PR tree-optimization/27865
2615 * reload1.c (forget_marked_reloads): New function.
2616 (forget_old_reloads_1): When data are passed, just mark the registers
2618 (reload_as_needed): Use the new mechanizm.
2620 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2623 * reload.h (reg_equiv_alt_mem_list): New declaration.
2624 * reload1.c (reg_equiv_alt_mem_list): New definition.
2625 (reload): Initialize it and release it.
2626 (delete_output_reload): Use it.
2627 * reload.c (push_reg_equiv_alt_mem): New function.
2628 (find_reloads_toplev): Call it.
2629 (find_reloads_address, find_reloads_address_1): Likewise.
2630 (find_reloads_subreg_address): Likewise.
2632 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2634 PR rtl-optimization/28489
2635 * sched-ebb.c (begin_schedule_ready): Create basic block
2637 (advance_target_bb): Skip empty blocks.
2638 * haifa-sched.c (bb_note): Make global.
2639 * sched-int.h (bb_note): Add prototype.
2641 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2643 PR tree-optimization/27865
2644 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2646 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2647 fold_used_pointer, pointer_used_p): New functions.
2648 (analyze_scalar_evolution_1): Use fold_used_pointer.
2649 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2650 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2653 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2656 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2657 or the INTEGER_CST. Fail on a CALL_EXPR.
2658 (fold_offsetof): Pass new argument to fold_offsetof_1.
2659 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2660 operand into an INDIRECT_REF.
2661 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2663 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2665 PR gcov/profile/26570
2666 * value-prof.c (static_values): Removed.
2667 (tree_find_values_to_profile): Do not set static_values.
2668 (find_values_to_profile): Do not free static_values.
2669 * profile.c (instrument_values): Do not free the values.
2670 (branch_prob): Free the values.
2672 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2674 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2676 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2679 * c-typeck.c (build_component_ref): Combine qualifiers of
2680 structure or union and field.
2682 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2684 PR rtl-optimization/28071
2685 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2686 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2687 * tree-into-ssa.c (struct dom_dfsnum): New.
2688 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2690 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2691 compute_global_livein.
2692 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2693 in phi nodes in the correct blocks.
2695 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2697 PR tree-optimization/28364
2698 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2700 (fold_affine_expr): New function.
2701 (may_eliminate_iv): Use fold_affine_expr.
2703 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2706 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2709 2006-08-16 Mike Stump <mrs@apple.com>
2711 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2712 * doc/cppopts.texi (-MD): Likewise.
2714 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2717 * c-common.c (handle_weak_attribute): Ignore and warn if
2718 not a FUNCTION_ or VAR_DECL.
2720 2006-07-15 Mike Stump <mrs@apple.com>
2723 * c-parser.c (c_parser_typeof_specifier): Don't use
2724 c_finish_expr_stmt, open code desired semantics instead.
2726 2006-08-15 Nick Clifton <nickc@redhat.com>
2728 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2729 fragment to tmake_file only if threads are enabled.
2730 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2731 * config/i386/t-gthr-win32: New file. ... here.
2733 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2736 * c-parser.c (c_parser_compound_statement_nostart): Reset
2737 parser->error after each statement.
2739 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2742 * omp-low.c (lower_omp_parallel): Convert t to
2743 receiver_decl's type.
2744 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2745 source before comparison.
2748 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2749 to itype in assignment to oldival2.
2751 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2755 * c-typeck.c (build_compound_expr): If the second expression
2756 is an error mark, then just return an error mark instead of
2757 creating a COMPOUND_EXPR.
2759 2006-07-14 Mike Stump <mrs@apple.com>
2761 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2763 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2765 * c-decl.c, var-tracking.c: Fix comment typos.
2767 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2769 PR rtl-optimization/28634
2770 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2771 for floating-point modes unless flag_unsafe_math_optimizations.
2773 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2774 Andrew Pinski <pinskia@physics.uc.edu>
2777 * tree.c (build_array_type): Unify array types with
2778 unspecified index_type.
2779 * c-decl.c (grokdeclarator): Make sure we do not modify a
2780 unified incomplete array type.
2781 * c-typeck.c (store_init_value): Create distinct type before
2782 filling in the index type in an initializer from a compound
2785 * c-decl.c (grokdeclarator): Remove code where we copy the
2788 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2790 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2791 into account for TODO_dump_cgraph.
2792 (TODO_update_ssa_no_phi): Likewise.
2793 (TODO_update_ssa_full_phi): Likewise.
2794 (TODO_update_ssa_only_virtuals): Likewise.
2795 (TODO_remove_unused_locals): Likewise.
2796 (TODO_set_props): Likewise.
2797 (TODO_update_stmt_usage): Likewise.
2799 2006-08-13 Dirk Mueller <dmueller@suse.de>
2801 * c-common.c (strict_aliasing_warning): Fix formatting.
2803 2006-08-13 Matthias Klose <doko@debian.org>
2805 * doc/invoke.texi: Fix spelling errors.
2807 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2809 PR rtl-optimization/23454
2810 * reorg.c (relax_delay_slots): Update comment.
2812 2006-08-11 Richard Guenther <rguenther@suse.de>
2815 * simplify-rtx.c (simplify_const_relational_operation):
2816 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2819 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2821 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2822 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2824 2006-08-10 Paul Brook <paul@codesourcery.com>
2826 * final.c (final_scan_insn): Clear current_insn_predicate before
2827 outputting inline asm.
2829 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2831 PR tree-optimization/26197
2832 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2833 get_ref_base_and_extent and overlap_subvar to add only relevant
2834 subvars as may-aliases.
2835 (add_may_alias_for_new_tag): New function, factored out of
2837 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2838 with additional argument.
2839 * tree-flow.h (new_type_alias): Takes additional argument.
2841 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2843 * gcov.c (no_data_file): New flag.
2844 (read_count_file): Set it if data file not present. Assume counts
2846 (output_lines): Don't name the data file, if there wasn't one.
2848 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2850 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2851 (rs6000_generate_compare): Tweak comments.
2852 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2854 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2856 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2857 (var_debug_decl): New function.
2858 (var_reg_set): Follow debug decl link. Add location even if
2859 reg is already known to hold some other variable.
2860 (var_mem_set): Follow debug decl link.
2861 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2862 decl link. Delete other known locations of the variable part
2864 (var_reg_delete, var_mem_delete): Delete other known locations
2865 of the variable part if requested.
2866 (same_variable_part_p): New function.
2867 (add_stores): Select MO_COPY when appropriate.
2868 (vt_initialize): Handle it.
2869 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2870 known locations for MO_SET and MO_CLOBBER.
2871 (find_variable_location_part): New function.
2872 (set_variable_part, delete_variable_part): Use it.
2873 (clobber_variable_part): New function.
2874 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2877 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2879 PR tree-optimization/26969
2880 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2881 with an empty list of PHIs.
2883 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2887 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2890 2006-08-06 Andreas Schwab <schwab@suse.de>
2892 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2893 string. Whitespace and comment fixup.
2895 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2898 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2902 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2905 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2907 2006-08-04 Jan Hubicka <jh@suse.cz>
2911 * reload.c (push_reload): Patch out the mismatching instruction;
2913 (find_reload): Bail out if the instruction was patched out.
2915 2006-08-04 Jan Hubicka <jh@suse.cz>
2917 PR tree-optimization/24888
2918 * tree-inline.c (expand_call_inline): Do not re-record variables.
2919 (declare_inline_vars): Add variable to unexpanded_var_list.
2921 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2922 Roger Sayle <roger@eyesopen.com>
2924 PR rtl-optimization/26244
2925 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2926 inner_const are negative or greater than or equal to the bitsize of
2927 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2928 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2929 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2930 CONST0_RTX (mode) when the new shift count is greater than or equal to
2931 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2934 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2936 * tree-cfg.c: Fix a comment typo.
2938 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2941 * varasm.c (output_constant): Give the front end another chance to
2942 expand constants, after stripping NOPs.
2944 2006-08-03 Jan Hubicka <jh@suse.cz>
2946 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2949 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2951 PR tree-optimization/27770
2952 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2953 declaration removed (moved to tree-flow.h).
2954 (vect_can_force_dr_alignment_p): Likewise.
2955 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2956 (moved from tree-vectorizer.h).
2957 (vect_can_force_dr_alignment_p): Likewise.
2958 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2959 from outside the vectorizer - in particular from cgraph stage.
2960 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2961 the alignment of global arrays when -fsection-anchors is enabled.
2962 * cgraphunit.c (cgraph_increase_alignment): New function.
2963 (cgraph_optimize): Call cgraph_increase_alignment.
2965 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2968 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2969 not reload a SPE symbol_ref into a lo_sum address.
2971 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2974 * dwarf2out.c (prune_unused_types_prune): Move call to
2975 prune_unused_types_update_strings to cover the parent DIE also.
2977 2006-08-02 Jan Hubicka <jh@suse.cz>
2979 PR gcov/profile/28480
2980 * tree-cfg.c (change_bb_for_stmt): New function.
2981 (tree_merge_blocks, tree_split_blocks): Use it.
2983 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2989 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2990 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2991 (cgraph_optimize): Likewise.
2993 2006-08-01 Stuart Hastings <stuart@apple.com>
2995 * rtl.h (UINTVAL) New.
2996 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2997 * testsuite/gcc.dg/20060801-1.c: New.
2999 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3002 * c-typeck.c (build_external_type): Mark used enum types.
3003 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3005 (gen_subprogram_die): Whitespace fix.
3007 2006-08-01 Jan Hubicka <jh@suse.cz>
3009 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3010 bitmap when not needed.
3011 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3014 2006-08-01 Dirk Mueller <dmueller@suse.de>
3016 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3018 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3020 * Makefile.in: Revert part of previous patch:
3021 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3024 2006-07-30 Eric Christopher <echristo@apple.com>
3027 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3028 (PowerPC Variable Attributes): New section.
3030 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3032 PR target/28126 (partial fix)
3033 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3035 2006-07-28 Jan Hubicka <jh@suse.cz>
3037 PR rtl-optimization/28071
3038 * cfgrtl.c (rtl_delete_block): Free regsets.
3039 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3041 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3043 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3044 and variables used in dependencies.
3046 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3048 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3049 %fs for -mcmodel=kernel.
3050 (stack_tls_protect_test_di): Likewise.
3052 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3054 * Makefile.in: Use mkinstalldirs.
3056 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3059 * opts-common.c (prune_options): Skip joined switches.
3061 2006-07-27 Jan Hubicka <jh@suse.cz>
3063 PR rtl-optimization/28071
3064 * cselib.c (cselib_process_insn): Don't remove useless values too
3065 often for very large hashtables.
3067 2006-07-27 Jan Hubicka <jh@suse.cz>
3069 PR rtl-optimization/28071
3070 * global.c (greg_obstack): New obstack.
3071 (allocate_bb_info): Use it.
3072 (free_bb_info): Likewise.
3073 (modify_reg_pav): Likewise.
3075 2006-07-27 Roger Sayle <roger@eyesopen.com>
3077 * builtins.c (fold_fixed_mathfn): When long and long long are the
3078 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3079 functions to their lceil*, lfloor*, lround* and lrint* forms.
3081 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3084 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3086 (rev_branch_insn): Likewise.
3088 2006-07-27 Jan Hubicka <jh@suse.cz>
3090 PR rtl-optimization/28071
3091 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3092 (reg_set_in_bb, max_reg_computed): New static variables.
3093 (regmove_optimize): Free the new array.
3094 (fixup_match_1): Update call of reg_is_remote_constant_p.
3096 2006-07-26 Jan Hubicka <jh@suse.cz>
3098 PR tree-optimization/27882
3099 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3101 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3103 (cgraph_analyze_compilation_unit): Likewise.
3104 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3105 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3106 (cgraph_early_inlinine): Make order garbage collected.
3107 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3109 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3111 * dbxout.c (output_types_sort): Add a comment.
3112 (output_used_types): Free the VEC.
3114 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3116 * function.c (reorder_fix_fragments): Delete.
3117 (reorder_blocks): Don't call it.
3118 (reorder_blocks_1): Put all subblocks under the origin block.
3120 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3122 PR rtl-optimization/27907
3123 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3126 2006-07-25 Roger Sayle <roger@eyesopen.com>
3129 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3130 bar(x) check that bar's result type can represent all the values of T.
3132 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3134 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3136 2006-07-25 Nick Clifton <nickc@redhat.com>
3138 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3139 size_lookup[] array.
3140 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3141 (ggc_pch_count_object): Likewise.
3142 (ggc_pch_alloc_object): Likewise.
3143 (ggc_pch_write_object): Likewise.
3144 (init_ggc): Do not attempt to initialize entries in the
3145 size_lookup[] array for objects whose size is greater than than
3146 the length of the array.
3148 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3150 * dbxout.c (output_used_types_helper): Push queued types
3152 (output_types_sort): New.
3153 (output_used_types): Collect used types on a VEC and sort them
3156 2006-07-24 Richard Guenther <rguenther@suse.de>
3159 * cgraph.c (cgraph_remove_node): Do not check if dumps
3161 * cgraphunit.c (cgraph_optimize): Likewise.
3163 2006-07-24 Jan Hubicka <jh@suse.cz>
3165 PR rtl-optimization/28071
3166 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3167 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3168 splitting before first stmt.
3170 2006-07-24 Jan Hubicka <jh@suse.cz>
3172 PR rtl-optimization/28071
3173 * ipa-inline.c (update_caller_keys): Remove edges that
3174 are no longer inline candidates.
3176 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3179 * dbxout.c (output_used_types_helper, output_used_types): New.
3180 (dbxout_symbol): Call output_used_types.
3182 2006-07-23 Jan Hubicka <jh@suse.cz>
3186 * cgraph.c (cgraph_varpool_nodes): Export.
3187 (decide_is_variable_needed): Ignored "used" attribute in
3188 unit-at-a-time mode.
3189 * cgraph.h (cgraph_varpool_nodes): Declare.
3190 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3191 unit-at-a-time mode.
3193 2006-07-23 Roger Sayle <roger@eyesopen.com>
3196 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3197 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3198 the __gthrw form of thr_keycreate.
3199 (__gthread_key_delete): Silence the unused argument warning.
3201 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3204 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3205 Cache the last found '\0' marker to avoid quadratic behavior.
3207 2006-07-23 Jan Hubicka <jh@suse.cz>
3209 * i386.md (subsi_3_zext): Fix output template.
3211 2006-07-21 Mike Stump <mrs@apple.com>
3213 * doc/invoke.texi (C++ Dialect Options): Note that
3214 -fvisibility-inlines-hidden doesn't affect explicitly
3215 instantiationed inline methods.
3217 2006-07-20 Roger Sayle <roger@eyesopen.com>
3219 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3220 if the target assembler is GNU binutils' gas.
3221 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3222 whether to pass GNU gas or native as command line options.
3224 2006-07-20 Jason Merrill <jason@redhat.com>
3226 * tree.c (remove_attribute): New fn.
3227 * tree.h: Declare it.
3229 2006-07-20 Paul Brook <paul@codesourcery.com>
3232 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3233 they are invalidated by this instruction.
3235 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3238 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3240 2006-07-20 Eric Christopher <echristo@apple.com>
3243 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3245 2006-07-19 Eric Christopher <echristo@apple.com>
3247 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3248 Rewrite dependencies for libgcc_s.1.dylib.
3250 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3252 * except.c (duplicate_eh_regions_1): Clear next_peer.
3254 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3256 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3257 -mlongcall does not guarantee all calls will be long.
3258 * doc/extend.texi (long_call/short_call): Document that longcall
3259 does not guarantee a long call will be used.
3260 (longcall/shortcall): Likewise.
3262 2006-07-18 Roger Sayle <roger@eyesopen.com>
3265 * expmed.c (expand_shift): Additionally check that the shift_cost
3266 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3267 before implementing a LSHIFT_EXPR as a sequence of additions.
3268 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3269 middle-end that DImode shifts need to be synthesized by expand.
3271 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3274 * tree-ssa-operands.c (access_can_touch_variable): Update
3276 Return true if ALIAS is .GLOBAL_VAR.
3278 2006-07-18 David Daney <ddaney@avtrex.com>
3280 * gcc.c (display_help): Fix typo in help text.
3282 2006-07-18 Olivier Hainque <hainque@adacore.com>
3284 * tree.h (categorize_ctor_elements): Adjust prototype and add
3285 descriptive comment, both in accordance with the interface change
3287 * varasm.c (constructor_static_from_elts_p): New function.
3288 Whether a constructor node is a valid static constant initializer
3289 if all its elements are.
3290 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3291 * output.h: Declare it.
3292 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3293 is a valid constant initializer instead of computing the number of
3294 non-constant elements. Use constructor_static_from_elts_p for this
3295 purpose. Replace the head comment with an indication that this is a
3296 helper for categorize_ctor_elements.
3297 (categorize_ctor_elements): Same interface change as for the _1
3298 helper. Former head comment from this helper moved here, adjusted to
3299 account for the interface changes.
3300 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3301 (all_zeros_p): Likewise.
3302 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3303 static versions of the constructor from the categorize_ctor_elements
3304 return value instead of the formerly computed number of non-constant
3307 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3309 * configure: Regenerate.
3310 * Makefile.in (build_libsubdir): New configure substitution
3311 (build_libobjdir): New variable.
3312 (BUILD_LIBIBERTY): Use it.
3314 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3317 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3319 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3322 * c-common.c (handle_weakref_attribute): Ignore attribute in
3323 the same conditions the alias attribute is ignored.
3325 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3327 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3328 (dbxout_begin_prologue): Increment scope_labelno.
3330 2006-07-17 Richard Henderson <rth@redhat.com>
3333 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3336 2006-07-17 Roger Sayle <roger@eyesopen.com>
3337 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3339 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3340 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3341 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3342 functions such as sbrk, write, etc.. Add function prototypes.
3343 Convert function declarations from K&R to ISO C. Cast pointers
3344 to "long" and "unsigned long" instead of "int" and "unsigned int".
3345 Convert tokens following #endif into comments.
3347 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3349 * invoke.texi: Remove mention of f77; Reformat table for
3350 inline parameter options correctly; mention that -malign-double
3351 is default on x86-64 targets.
3353 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3355 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3356 (convert_affine_scev, chrec_convert_aggressive): Use
3357 avoid_arithmetics_in_type_p. Do not check for the subtypes
3360 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3363 * optabs.c (expand_doubleword_shift): Wrap the call to
3364 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3366 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3369 * optabs.c (expand_binop): Pass next_methods rather than methods
3370 to expand_doubleword_shift.
3372 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3375 * tree.h (dump_addr): Declare.
3376 * print-tree.c (dump_addr): New function.
3377 (print_node_brief, print_node): Use it.
3378 * print-rtl.c (print_rtx): Likewise.
3379 * common.opt (-fdump-noaddr): New option.
3380 * doc/invoke.texi (-fdump-noaddr): Document.
3381 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3382 (ve_info_hash): Likewise.
3384 2006-07-13 Andrew Haley <aph@redhat.com>
3386 PR tree-optimization/19505
3387 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3388 edge leaving this block, make sure that the destination of this
3389 block has only one predecessor.
3391 2006-07-17 Richard Guenther <rguenther@suse.de>
3393 PR tree-optimization/28238
3394 * tree-inline.c (copy_bb): Check if we produced valid
3395 gimple copying and substituting a stmt. If not, gimplify
3398 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3400 * optabs.c (maybe_encapsulate_block): New function extracted from...
3401 (emit_libcall_block): ...here. Invoke it on the block of insns to
3402 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3403 (emit_no_conflict_block): Likewise.
3405 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3407 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3409 2006-07-15 Roger Sayle <roger@eyesopen.com>
3411 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3412 a new NOP_EXPR case of the switch statement.
3414 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3417 * stor-layout.c (place_field): Take the bit field with
3418 an excessive size into account in the ms-bitfiled case.
3421 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3422 the previous bit field.
3424 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3427 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3429 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3431 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3432 signal frames correctly even when the signal was installed with
3435 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3437 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3438 (dbxout_function_end): Use local label LFBB. Remove hook
3440 (dbxout_source_line): Use local label LFBB.
3441 (dbxout_block): Likewise.
3442 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3443 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3444 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3445 and DBX_OUTPUT_NFUN.
3447 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3449 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3451 2006-07-13 Jan Hubicka <jh@suse.cz>
3453 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3455 * output.h (align_variable): Declare.
3456 * varasm.c (align_variable): Export.
3457 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3458 when basic block changed.
3460 2006-07-13 Nick Clifton <nickc@redhat.com>
3462 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3463 walking the LOG_LINKS chain.
3465 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3467 * doc/invoke.texi (C++ Dialect Options): Explain difference
3468 between -fvisibility-inlines-hidden and setting hidden
3469 visibility explicitly.
3471 2006-07-12 Eric Christopher <echristo@apple.com>
3473 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3474 (stmp-lipo): Depend on libgcc.a.
3476 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3478 * tree.c: Fix a comment typo.
3480 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3482 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3484 (umulhisi3_r): Likewise.
3486 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3489 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3490 x < 19, vs wchar_t support.
3492 2006-07-12 Nick Clifton <nickc@redhat.com>
3494 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3495 instead of -isa=sh4.
3497 2006-07-12 Mike Stump <mrs@apple.com>
3499 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3501 2006-07-10 Eric Christopher <echristo@apple.com>
3503 * config/t-slibgcc-darwin: Rewrite.
3505 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3508 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3511 2006-07-08 Matthias Klose <doko@debian.org>
3513 * doc/sourcebuild.texi: Fix typo.
3515 2006-07-07 Mike Stump <mrs@apple.com>
3517 * toplev.c (process_options): Don't give -ffunction-sections may
3518 affect debugging warning for Mach-O.
3520 2006-07-07 James E Wilson <wilson@specifix.com>
3522 * config/mips/mips.md (cpu): Add sb1a.
3523 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3524 addition to sb1. Adjust comments to clarify SB-1A differences from
3526 (ir_sb1a_load): New. Modify bypasses to use it.
3527 (ir_sb1a_simple_alu): Likewise.
3528 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3529 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3530 (mips_issue_rate): Add PROCESSOR_SB1A.
3531 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3532 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3533 (TARGET_SB1): Add PROCESSOR_SB1A check.
3534 (TUNE_SB1): Likewise.
3536 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3537 * config/mips/mips.c (mips_store_data_bypass_p): New.
3538 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3539 store_data_bypass_p.
3541 2006-07-08 Paul Brook <paul@codesourcery.com>
3544 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3546 2006-07-07 Richard Guenther <rguenther@suse.de>
3549 * tree.h (build_one_cst): Declare.
3550 * tree.c (build_one_cst): New function.
3551 * tree-ssa-math-opts.c (get_constant_one): Remove.
3552 (insert_reciprocals): Use build_one_cst.
3553 * fold-const.c (fold_plusminus_mult): Likewise.
3555 2006-07-07 Roger Sayle <roger@eyesopen.com>
3557 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3558 * cfgloopanal.c (dump_graph): Likewise.
3559 * dojump.c (discard_pending_stack_adjust): Likewise.
3560 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3562 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3563 * function.c (finalize_block_changes): Likewise.
3564 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3565 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3566 * rtl.c (dump_rtx_statistics): Likewise.
3567 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3569 * varray.c (dump_varray_statistics): Likewise.
3570 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3571 decode_decimal64, encode_decimal128, decode_decimal128,
3572 decimal_real_to_decimal): Likewise.
3574 2006-07-07 Richard Guenther <rguenther@suse.de>
3576 PR tree-optimization/28187
3577 * tree-vrp.c (vrp_operand_equal_p): New function.
3578 (vrp_bitmap_equal_p): Likewise.
3579 (update_value_range): Use them to compare old and new
3582 2006-07-06 Roger Sayle <roger@eyesopen.com>
3584 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3585 a default case to switch statement to silence compiler warnings.
3587 2006-07-06 Roger Sayle <roger@eyesopen.com>
3590 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3591 the configured assembler supports the x87's ffreep mnemonic.
3592 * configure: Regenerate.
3593 * config.in: Regenerate.
3595 * config/i386/i386.c (output_387_ffreep): New function.
3596 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3597 (output_387_reg_move): Likewise.
3599 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3601 Port to hosts whose 'sort' and 'tail' implementations
3602 treat operands with leading '+' as file names, as POSIX
3603 has required since 2001. However, make sure the code still
3604 works on pre-POSIX hosts.
3605 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3606 which says you should use "tail -c +N" rather than "tail +Nc".
3607 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3609 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3611 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3614 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3617 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3618 PRE_{INC,DEC} of TFmode.
3620 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3621 Alan Modra <amodra@bigpond.net.au>
3624 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3627 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3630 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3631 Remove duplicate gtu.
3633 2006-07-05 Jason Merrill <jason@redhat.com>
3637 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3638 * c-common.c (handle_packed_attribute): So don't copy it here.
3639 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3641 2006-07-05 Mike Stump <mrs@apple.com>
3643 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3645 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3648 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3650 2006-07-05 Richard Guenther <rguenther@suse.de>
3653 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3654 TARGET_SSE2 targets if using SSE math.
3655 (*absdf2_1): Likewise.
3657 2006-07-05 Richard Guenther <rguenther@suse.de>
3659 PR tree-optimization/28162
3660 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3661 make sure to convert the operands to the correct type.
3663 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3665 PR tree-optimization/28218
3667 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3668 to calculate and free the dominator information.
3670 2006-07-04 Peter O'Gorman <peter@pogma.com>
3672 * mklibgcc.in: chmod 644 before ranlib during install.
3674 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3675 J"orn Rennecke <joern.rennecke@st.com>
3677 * configure.ac (.eh_frame data check): Use diff -b.
3679 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3682 * Makefile.in (BUILD_RTL): Add build/vec.o.
3683 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3684 (build/genextract): Delete.
3685 (build/genautomata): Likewise.
3687 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3690 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3691 128-bit IBM long doubles for ABI_V4.
3693 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3695 * tree.c (range_in_array_bounds_p): New predicate.
3696 * tree.h (range_in_array_bounds_p): Declare it.
3697 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3698 return a less conservative answer.
3699 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3700 and flag 'is_group'.
3701 (IS_ELEMENT_FOR_GROUP): New macro.
3702 (FOR_EACH_ACTUAL_CHILD): Likewise.
3703 (next_child_for_group): New helper function.
3704 (can_completely_scalarize_p): Take into account groups.
3705 (sra_hash_tree): Handle RANGE_EXPR.
3706 (sra_elt_eq): Likewise.
3707 (lookup_element): Be prepared for handling groups.
3708 (is_valid_const_index): Delete.
3709 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3710 instead of is_valid_const_index.
3711 <ARRAY_RANGE_REF>: New case.
3712 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3713 is_valid_const_index.
3714 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3715 (scan_dump): Dump info for groups too.
3716 (decide_instantiation_1): Likewise.
3717 (decide_block_copy): Assert that the element is not a group.
3718 Propagate decision to groups.
3719 (generate_one_element_ref): Handle RANGE_EXPR.
3720 (mark_no_warning): Iterate over actual childs.
3721 (generate_copy_inout): Likewise.
3722 (generate_element_copy): Likewise.
3723 (generate_element_zero): Likewise.
3724 (generate_element_init_1): Likewise.
3725 (dump_sra_elt_name): Handle RANGE_EXPR.
3727 2006-07-03 Roger Sayle <roger@eyesopen.com>
3729 PR tree-optimization/26251
3730 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3731 (thread_block): When optimizing for size refuse to thread jumps
3732 that would require duplication of blocks other than redirection
3735 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3737 * configure.ac: Fix thinko in previous check-in.
3738 * configure: Regenerate.
3740 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3743 * configure.ac (for lang...): Simplify nesting of conditionals.
3744 Test subdir_requires for non-enabled languages. Move processing
3745 of lang_opt_files and lang_tree_fiels below that test.
3746 * configure: Regenerate.
3747 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3749 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3751 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3753 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3755 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3758 2006-06-29 Jason Merrill <jason@redhat.com>
3765 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3766 * c-common.c (c_determine_visibility): Handle it here.
3767 * c-decl.c (finish_decl): Call c_determine_visibility for
3769 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3771 * varasm.c (default_assemble_visibility): Likewise.
3772 * c-common.c (handle_visibility_attribute): Complain about trying
3773 to give visibility to an already defined class, or trying to change
3774 declared visibility. Always attach the attribute.
3779 * attribs.c (decl_attributes): Ignore type-in-place attributes
3780 once the type has been defined.
3782 2006-06-29 Roger Sayle <roger@eyesopen.com>
3785 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3786 to indicate the cpplib has issued an error message for us.
3788 2006-06-29 Asher Langton <langton2@llnl.gov>
3791 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3792 insert a label at the end of an function under Mach-O.
3794 2006-06-29 Eric Christopher <echristo@apple.com>
3795 Evan Cheng <evan.cheng@apple.com>
3797 * predicates.md (vector_all_ones_operand): New.
3798 (nonimmediate_or_sse_const_operand): Ditto.
3799 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3800 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3801 (standard_sse_mode_p): Ditto.
3802 (standard_sse_constant_p): Add case for -1 vector.
3803 (ix86_expand_vector_move): Try to use.
3804 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3805 Call standard_sse_constant_opcode.
3806 (*movv4sf_internal): Ditto.
3807 (*movv2df_internal): Ditto.
3809 2006-06-29 Roger Sayle <roger@eyesopen.com>
3811 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3812 of XEXP to extract the operands of a MATCH_CODE rtx.
3814 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3816 * tree.c (tree_size): Do not waste tail padding in
3817 struct tree_string and make the size be the same as
3818 build_string will generate.
3820 2006-06-28 Jason Merrill <jason@redhat.com>
3823 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3824 may_aliases already in the tag's annotations to the bitmap.
3826 2006-06-28 Roger Sayle <roger@eyesopen.com>
3828 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3830 2006-06-28 Roger Sayle <roger@eyesopen.com>
3832 * genpreds.c (generate_switch_p): New function.
3833 (add_mode_tests): Push the new mode test down inside an AND expr
3834 if this allows the switch-suitable MATCH_CODE to be near the root.
3835 (write_match_code_switch): New function to write a MATCH_CODE as
3837 (write_predicate_stmts): New function to write a predicate RTX
3838 expression as a sequence of statements.
3839 (write_one_predicate_function): Use write_predicate_stmts.
3840 (write_tm_constrs_h): Likewise.
3842 2006-06-26 Fred Fish <fnf@specifix.com>
3844 * config/mips/t-sb1: New file.
3845 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3848 2006-06-26 DJ Delorie <dj@redhat.com>
3850 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3852 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3853 Jayant Sonar <jayants@kpitcummins.com>
3854 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3856 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3857 (subsi3, subsi3_1, subsi3_2): New.
3858 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3859 * config/m32c/mov.md (SI mov peephole): New.
3860 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3861 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3863 2006-06-26 Olivier Hainque <hainque@adacore.com>
3865 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3866 a CALL_EXPR target function declaration.
3868 2006-06-26 Richard Guenther <rguenther@suse.de>
3870 * tree.c (build_string): Do not waste tail padding in
3873 2006-06-26 Richard Guenther <rguenther@suse.de>
3875 * ggc-page.c (init_ggc): Add missing element to size_lookup
3879 2006-06-23 Richard Guenther <rguenther@suse.de>
3881 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3882 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3883 alignment requests instead. Add verification code.
3884 Add struct tree_function_decl and struct tree_binfo size to
3885 extra_order_size_table. Add missing element to size_lookup
3888 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3891 * fold-const.c (const_binop): Be prepared for self returning zero.
3892 Simplify code handling complex values.
3894 2006-06-24 Olivier Hainque <hainque@adacore.com>
3896 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3897 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3900 2006-06-24 Olivier Hainque <hainque@adacore.com>
3902 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3903 ARRAY_REF, so have the callback called for the low bound expression.
3905 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3907 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3908 * c-typeck.c (c_common_type): Disallow operations on decimal float
3909 types and other float types.
3910 * convert.c (convert_to_real): Don't ignore conversions involving
3911 decimal float types.
3913 2006-06-23 Olivier Hainque <hainque@adacore.com>
3915 * tree.c (max_int_size_in_bytes): New function, inspired from
3916 code in function.c:assign_temp.
3917 * tree.h (max_int_size_in_bytes): Declare.
3918 * function.c (assign_temp): Use it.
3919 * gimplify.c (create_tmp_var): Relax the assertions on the type
3920 properties, not mandating constant size any more.
3921 (force_constant_size): New static function.
3922 (gimple_add_tmp_var): Use it, forcing variable size to a
3923 constant upper bound if it is not constant on entry.
3925 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3928 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3929 for initialization and setting of one_only flag to ...
3930 (i386_pe_encode_section_info): ...here.
3931 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3932 Recheck that the symbol has not been defined.
3934 2006-06-23 Richard Guenther <rguenther@suse.de>
3936 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3937 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3938 alignment requests instead. Add verification code.
3939 Add struct tree_function_decl and struct tree_binfo size to
3940 extra_order_size_table. Add missing element to size_lookup
3943 2006-06-22 Roger Sayle <roger@eyesopen.com>
3944 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3947 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3948 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3950 2006-06-23 Ben Elliston <bje@au.ibm.com>
3952 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3953 negate dn -- manipulate it directly.
3955 2006-06-22 Roger Sayle <roger@eyesopen.com>
3956 Steven Bosscher <stevenb.gcc@gmail.com>
3959 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3960 generated by gen_move_insn to add REG_LABEL notes if necessary.
3962 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3964 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3965 (leaf_entry): Remove use of MIN_ESA.
3967 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3969 PR rtl-optimization/28121
3970 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3973 2006-06-21 DJ Delorie <dj@redhat.com>
3975 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3977 (mulhisi3_r): Likewise.
3979 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3982 * coverage.c (coverage_counter_alloc): Leave the index type
3984 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3987 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3989 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3990 section from the "Options for Code Generation Conventions".
3992 2006-06-21 Richard Henderson <rth@redhat.com>
3996 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3998 (global_symbolic_operand): Allow weak symbols, even if local_p.
4000 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4002 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4003 (find_interesting_uses_address): Punt if above function returns true.
4005 2006-06-21 Richard Guenther <rguenther@suse.de>
4007 * configure: Regenerated.
4009 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4011 * config/mips/mips.c (function_arg): Where one part of a
4012 complex argument is in registers and the other part in the stack,
4013 return a REG not a PARALLEL.
4015 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4017 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4018 when cross-compiling. Do not substitute libstdcxx_incdir.
4019 * configure: Regenerated.
4021 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4023 * varasm.c (mergeable_string_section): Check for embedded NULs and
4024 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4025 rather than TREE_STRING_LENGTH bytes.
4027 2006-06-21 Richard Guenther <rguenther@suse.de>
4029 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4030 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4033 2006-06-21 Richrad Guenther <rguenther@suse.de>
4035 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4036 Limit iteration over the dominators.
4038 2006-06-20 Roger Sayle <roger@eyesopen.com>
4040 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4041 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4043 2006-06-20 Richard Guenther <rguenther@suse.de>
4044 Michael Matz <matz@suse.de>
4046 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4048 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4049 * et-forest.h (et_free_pools): Prototype new function.
4050 * et-forest.c (et_free_tree_force): Free parent occurrence.
4051 (et_free_pools): New function.
4052 * dominance.c (free_dominance_info): Free et-forest alloc
4055 2006-06-20 Roger Sayle <roger@eyesopen.com>
4057 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4058 integer modes, attempt to directly construct an integer constant.
4060 * fold-const.c (native_encode_vector): Determine the size of each
4061 element from the vector type instead of the first vector element.
4063 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4064 if all of its elements/components are constant.
4065 (build_constructor_from_list): Likewise.
4067 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4069 PR tree-optimization/27331
4070 * tree-data-ref.c (free_data_ref): New function.
4071 (create_data_ref): Fail if the data reference has unknown access
4073 (free_data_refs): Use free_data_ref.
4075 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4078 * tree-inline.c (setup_one_parameter): Strip useless
4079 type conversion before adding it to the IR.
4080 (declare_return_variable): Likewise.
4082 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4085 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4087 2006-06-19 Mike Stump <mrs@apple.com>
4089 * tree.c (variably_modified_type_p): VM arguments don't make the
4092 2006-06-19 Richard Guenther <rguenther@suse.de>
4094 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4095 type conversions after folding.
4097 2006-06-19 Richard Guenther <rguenther@suse.de>
4099 * ggc-page.c (extra_order_size_tab): Add entries with
4100 size of struct function and basic_block.
4101 (size_lookup): Extend to cover sizes up to 511.
4102 (ggc_alloc_stat): Adjust user.
4103 (ggc_pch_count_object): Likewise.
4104 (ggc_pch_alloc_object): Likewise.
4105 (ggc_pch_write_object): Likewise.
4107 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4109 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4110 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4113 2006-06-19 Denis Chertykov <denisc@overta.ru>
4115 * config/avr/libgcc.S : Correct my wrong previous commit.
4117 2006-06-19 Roger Sayle <roger@eyesopen.com>
4120 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4121 have stripped a SUBREG from the shift count, so we may need to
4122 convert_to_mode back to the type's mode before calling make_tree.
4123 Use new_amount instead of amount to avoid expanding a tree twice.
4125 2006-06-19 Richard Guenther <rguenther@suse.de>
4128 * fold-const.c (operand_equal_p): Check if the argument types
4129 have the same precision before stripping NOPs.
4131 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4133 Fix PR tree-optimization/27341
4134 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4136 * tree-complex.c (pass_lower_complex): Update SMT usage.
4138 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4140 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4141 Add a new alternative to the constraint strings. Add move of
4142 operand 1 to 3 to the splitter definition.
4143 ("doloop_si_long"): Second contraint alternative removed.
4145 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4147 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4148 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4150 (AVR_HAVE_MOVW) Define.
4151 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4152 (ASM_SPEC): Add avr25.
4153 (LINK_SPEC): Add avr25.
4154 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4155 (base_arch_s): Add new member 'have_movw_lpmx'.
4156 (avr_arch_types): Init 'have_movw_lpmx'.
4157 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4158 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4159 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4160 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4161 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4163 (avr_file_start): Do not output '.arh' derective.
4164 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4165 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4166 * config/avr/avr.md (mcu_enhanced): Delete.
4167 (mcu_have_movw): Define.
4168 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4169 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4170 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4171 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4172 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4173 attiny861 and at86rf401 devices.
4175 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4177 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4180 2006-06-17 Karl Berry <karl@gnu.org>
4182 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4183 doc/gccint.texi, doc/install.texi (@dircategory): Use
4184 "Software development" instead of "Programming", following
4185 the Free Software Directory.
4187 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4189 * config/i386/i386.c (legitimate_tls_address)
4190 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4191 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4192 (*tls_dynamic_gnu2_combine_64): Likewise.
4194 2006-06-16 Richard Guenther <rguenther@suse.de>
4197 * fold-const.c (negate_expr_p): Do not introduce undefined
4198 overflow in negating INTEGER_CSTs.
4199 (fold_negate_expr): Rename from negate_expr. Revert last
4200 change for folding BIT_NOT_EXPR. Change semantics to
4201 return NULL_TREE for non-simplified negations. Do not
4202 strip type conversions and unify type handling.
4203 (negate_expr): New function, wrap around fold_negate_expr
4204 but ensure building a tree always. Strip type conversions
4205 here, fold to result type.
4206 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4208 2006-06-16 Roger Sayle <roger@eyesopen.com>
4211 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4212 that (would) return their results in stack registers.
4214 2006-06-16 Michael Matz <matz@suse.de>
4215 Richard Guenther <rguenther@suse.de>
4217 * fold-const.c (fold_truthop): Only return new tree node if
4218 we canonicalized something.
4220 2006-06-16 Richard Guenther <rguenther@suse.de>
4222 * function.h (enum function_frequency): Move declaration
4223 out of struct function.
4224 (struct function): Move bool fields and the enum to the bitfield
4225 section. Reorder elements to avoid padding. Remove unused
4226 fields left over from the RTL inliner removal.
4227 * function.c (free_after_compilation): Do not zero removed fields.
4228 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4229 (ipa-type-escape.o): Likewise.
4231 2006-06-16 Richard Guenther <rguenther@suse.de>
4233 * cgraph.h (struct cgraph_local_info): Turn bool elements
4235 (struct cgraph_node): Likewise.
4236 (struct cgraph_varpool_node): Likewise.
4238 2006-06-15 Richard Guenther <rguenther@suse.de>
4240 * fold-const.c (fold_truth_not_expr): Rename from
4241 invert_truthvalue. Give it fold_* semantics to avoid
4243 (invert_truthvalue): New function. Wrapper around
4244 fold_truth_not_expr.
4245 (optimize_minmax_comparison): Avoid creating garbage.
4246 (fold_unary): Use fold_truth_not_expr for folding
4248 (fold_ternary): Replace uses of invert_truthvalue with
4249 fold_truth_not_expr where applicable.
4250 * tree.h (fold_truth_not_expr): Prototype.
4252 2006-06-16 Richard Guenther <rguenther@suse.de>
4254 PR tree-optimization/27781
4255 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4256 * ipa-pure-const.c (target.h): Include.
4257 (analyze_function): Do not analyze functions that do not
4260 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4263 * tree-dfa.c (referenced_vars_dup_list): Remove.
4264 (find_referenced_vars): Remove assert.
4265 (referenced_var_check_and_insert): Replace dup list with assert.
4266 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4267 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4269 2006-06-15 Richard Guenther <rguenther@suse.de>
4271 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4272 extra unused identifiers if not dumping.
4273 (create_variable_info_for): Likewise.
4275 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4277 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4278 (derive_constant_upper_bound): Derive more precise upper bound in
4279 common cases. Return type changed to double_int.
4280 (record_estimate): Reflect the changed return type of
4281 derive_constant_upper_bound.
4282 * double-int.c (double_int_zext, double_int_sext): Fix.
4284 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4286 * configure.ac (CFLAGS): Get them from the toplevel or from the
4287 configure invocation.
4288 * configure: Regenerate.
4289 * Makefile.in (CFLAGS): Substitute value provided by configure.
4291 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4294 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4295 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4296 rather than calling add_stmt on it.
4297 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4299 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4302 * reload1.c (reload): Remove registers returned by update_eliminables
4303 from used_spill_regs.
4305 2006-06-13 DJ Delorie <dj@redhat.com>
4307 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4309 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4311 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4312 html__strip_dir, html__mkdir_p. Enhance install-html target.
4313 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4314 * configure: Regenerate.
4316 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4318 * fold-const.c (fold_cond_expr_with_comparison): Check for
4319 Objective-C++ as language in deciding COND_EXPR transformation.
4321 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4324 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4325 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4326 * config/sh/lib1funcs.h (SL, SL1): Define.
4327 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4328 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4329 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4330 (OBJS_Os_4_200): New variable.
4331 ($(T)libgcc-Os-4-200.a): Use it.
4332 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4333 when dividing 1 and/or by 0.
4335 2006-06-13 Roger Sayle <roger@eyesopen.com>
4337 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4338 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4339 * configure: Regenerate.
4341 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4343 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4344 for real instruction.
4346 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4349 * haifa-sched.c (check_cfg): Handle special case.
4351 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4354 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4355 Add debug_info parameter. Chain the vars to the BLOCK instead
4356 of the BIND_EXPR if debug info are requested for them.
4357 (pop_gimplify_context): Adjust for above change.
4358 (gimple_add_tmp_var): Likewise.
4359 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4361 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4362 (convert_local_reference): Likewise.
4363 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4364 (finalize_nesting_tree_1): Request that debug info be emitted
4365 for debug_var_chain.
4367 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4369 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4370 for PR target/27863.
4372 2006-06-13 Richard Guenther <rguenther@suse.de>
4375 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4377 2006-06-13 Richard Guenther <rguenther@suse.de>
4379 PR tree-optimization/27830
4380 * tree-inline.c (copy_body_r): For copying the operand
4381 of an ADDR_EXPR make sure to fold &* afterwards.
4383 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4385 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4386 lvalues in the fb_none case with side-effects.
4388 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4390 * tree-flow.h: Remove the prototype for
4391 compute_phi_arg_on_exit.
4392 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4393 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4396 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4398 * builtins.c (expand_builtin_return_addr): Only use
4399 frame_pointer_rtx when count == 0 and we are expanding
4400 __builtin_return_address.
4402 2006-06-12 Fred Fish <fnf@specifix.com>
4404 * config/mips/mips.c (mips_file_start): Create special section
4405 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4407 2006-06-11 Eric Christopher <echristo@apple.com>
4410 * stor-layout.c (place_field): Remove check for
4411 remaining_in_alignment when aligning at the end of a run.
4413 2006-06-11 Eric Christopher <echristo@apple.com>
4416 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4419 2006-06-11 Roger Sayle <roger@eyesopen.com>
4422 Revert incorrect fix for PR target/27158
4423 2006-05-08 Roger Sayle <roger@eyesopen.com>
4424 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4425 of a reg_equiv_constant if the result is a legitimate constant.
4427 2006-06-11 Roger Sayle <roger@eyesopen.com>
4430 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4431 extract a CONST_VECTOR element and interpret it as an integer.
4432 (vspltis_constant): Use const_vector_elt_as_int instead of the
4433 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4434 * config/rs6000/predicates.md (easy_vector_const): Consider
4435 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4437 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4440 * stor-layout.c (update_alignment_for_field): Don't add extra
4441 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4444 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4446 * config/mips/t-rtems: Add EL/EB multilib variants.
4448 2006-06-09 Mike Stump <mrs@apple.com>
4450 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4452 2006-06-09 David Daney <ddaney@avtrex.com>
4454 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4456 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4458 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4460 2006-06-09 Richard Guenther <rguenther@suse.de>
4462 PR tree-optimization/26998
4463 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4464 of signed types, only TYPE_MIN_VALUE is special, but for both,
4465 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4466 in this case, as is -fwrapv.
4468 2006-06-08 Mike Stump <mrs@apple.com>
4471 * config/darwin.c (darwin_asm_output_anchor): Disable
4472 -fsection-anchors on darwin for now.
4473 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4474 * rs6000/rs6000.c (optimization_options): Likewise.
4476 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4479 * config/i386/i386.c (classify_argument): Skip fields with invalid
4482 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4484 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4485 (cse_insn): Likewise for the stack_pointer_rtx.
4487 2006-06-08 Roger Sayle <roger@eyesopen.com>
4489 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4490 conditions from floating point comparisons.
4492 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4495 * expmed.c (struct alg_hash_entry): Fix type of field T
4496 to match synth_mult argument.
4497 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4499 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4502 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4505 2006-06-08 Richard Guenther <rguenther@suse.de>
4508 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4509 only, if overflow is defined and not trapping.
4510 (negate_expr): Likewise.
4512 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4514 PR tree-optimization/27872
4515 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4516 flag on the new exit edge of the unrolled loop.
4518 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4520 PR rtl-optimization/26449
4521 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4523 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4526 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4527 referenced_variables with matching DECL_UID's.
4528 (find_referenced_vars): Make sure duplicate list is empty to start.
4529 (referenced_var_p): Remove.
4530 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4531 Check if var is in the list, and add if needed. Update the duplicate
4532 list if a different var is in the list with the same DECL_UID.
4533 (add_referenced_var): Call routine to check and insert.
4534 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4535 * tree-flow.h (referenced_vars_dup_list): External declaration.
4537 2006-06-07 Fred Fish <fnf@specifix.com>
4539 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4542 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4545 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4546 the imaginary and real parts of a clobbered register.
4547 Emit insn to set the imaginary part.
4549 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4551 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4552 in lieu of unwind-dw2-fde.c.
4554 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4556 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4558 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4561 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4562 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4563 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4564 V4SImode temporaries and operations instead.
4566 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4568 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4571 2006-06-06 Mike Stump <mrs@apple.com>
4573 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4574 installing during build.
4576 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4578 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4580 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4581 * config/ia64/ia64.c (params.h): New header.
4582 (ia64_optimization_options): New function to adjust parameters.
4583 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4584 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4585 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4587 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4589 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4591 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4594 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4596 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4597 Victor Kaplansky <victork@il.ibm.com>
4599 PR tree-optimization/26360
4600 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4603 2006-06-04 Roger Sayle <roger@eyesopen.com>
4604 Andrew Pinski <pinskia@physics.uc.edu>
4607 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4608 for LABEL_DECL before calling DECL_WEAK.
4611 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4612 LABEL_DECL and PARM_DECL.
4614 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4618 * c-decl.c (grokdeclarator): Disallow variably modified types at
4619 file scope. Avoid marking shared array type of constant size as
4622 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4625 * c-common.c (fold_offsetof_1): Handle static members.
4627 2006-06-04 Eric Christopher <echristo@apple.com>
4629 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4630 (debug_rli): Output value for remaining_in_alignment.
4631 (update_alignment_for_field): Unconditionalize
4632 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4633 extra alignment code.
4634 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4635 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4636 * tree.h (record_layout_info_s): Remove prev_packed.
4637 * doc/extend.texi (ms_struct): Add documentation of format.
4639 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4641 * tree.h: Declare folding_initializer.
4642 * builtins.c (fold_builtin_constant_p): Give definite answer
4643 if folding inside an initializer.
4644 * fold-const.c: Define folding_initializer.
4645 (START_FOLD_INIT): Save and then set folding_initializer.
4646 (END_FOLD_INIT): Restore folding_initializer.
4648 2006-06-04 Richard Guenther <rguenther@suse.de>
4650 PR tree-optimization/27039
4651 * fold-const.c (fold_comparison): Handle pointer comparison
4652 again for all comparison codes. Compare offsets in signed
4654 (fold_binary): Move code from here.
4656 2006-06-03 Roger Sayle <roger@eyesopen.com>
4659 * config/i386/i386.c (construct_container): Split static issued_error
4660 flag into issued_sse_arg_error, issued_sse_ret_error and
4661 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4662 requires the use of x87 registers and the user explicitly
4663 specified the -mno-80387 command line option.
4665 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4667 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4668 HAVE_DECL_SIGALTSTACK.
4670 (segv_handler): Use MC_FLD.
4671 * configure.ac: Check for a sigaltstack declaration.
4672 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4673 * configure: Regenerate.
4674 * config.in: Regenerate.
4676 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4679 * Makefile.in (stmp-fixinc): Fix typo.
4681 2006-06-02 Roger Sayle <roger@eyesopen.com>
4683 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4684 are type correct. Clean-up.
4685 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4686 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4688 2006-06-01 DJ Delorie <dj@redhat.com>
4690 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4691 shift, as we've disabled the "switch" insn that needs it.
4693 2006-06-01 Per Bothner <bothner@bothner.com>
4695 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4696 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4697 * c-ppoutput.c (cb_define): Don't increment line 0.
4699 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4701 * doc/invoke.texi: Add cpu_type power6.
4702 * config.gcc: Add cpu_type power6.
4703 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4704 to power5+ with Altivec.
4705 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4706 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4708 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4710 * config/avr/avr.h (SET_ASM_OP): Define.
4712 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4714 * config/bfin/bfin.c: Fix comment typos.
4716 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4719 * doc/install.texi: Document --enable-bootstrap and
4720 --disable-bootstrap.
4722 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4724 * doc/install.texi: Document that InfoZIP can replace jar.
4726 2006-05-31 Roger Sayle <roger@eyesopen.com>
4728 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4729 isn't available, directly generate the simpler x87 patterns without
4730 the (use (const_int 0)).
4731 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4732 implementation isn't available.
4733 (*negdf2_1): Likewise.
4734 (*negxf2_1): XF mode negation is always done using the x87.
4735 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4737 2006-05-31 Roger Sayle <roger@eyesopen.com>
4739 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4740 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4742 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4744 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4746 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4747 * config/bfin/bfin.c (basic-block.h): Include.
4748 (struct machine_function): New.
4749 (bfin_init_machine_status): New.
4750 (override_options): Initialize init_machine_status.
4751 (bfin_hardware_loop): New.
4752 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4753 (DEF_VEC_P (loop_info)): New.
4754 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4755 (struct loop_info): New.
4756 (loop_info): New typedef.
4757 (struct loop_work): New.
4758 (loop_work): New typedef.
4759 (DEF_VEC_O (loop_work)): New.
4760 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4761 (bfin_dump_loops): New.
4762 (bfin_bb_in_loop): New.
4763 (bfin_scan_loop): New.
4764 (bfin_optimize_loop): New.
4765 (bfin_reorg_loops): New.
4766 (bfin_reorg): Use bfin_reorg_loops.
4767 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4769 (I_REGNO_P): Simplify.
4770 (DP_REGNO_P, DPREG_P): New macros.
4771 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4772 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4773 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4774 Add LT_REGS, LC_REGS, LB_REGS.
4775 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4777 (REGNO_REG_CLASS): Deal with loop registers.
4778 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4780 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4781 New constants for loop registers.
4782 (UNSPEC_LSETUP_END): New.
4783 (seq_insns): New define_attr. Set it for appropriate insns.
4784 (movsi_insn): Add alternatives for move from/to
4785 loop count registers.
4786 (doloop_end): New define_expand.
4787 (loop_end): New define_insn.
4788 (define_split for bad doloop_end): New.
4789 (lsetup_with_autoinit): New define_insn.
4790 (lsetup_without_autoinit): New define_insn.
4791 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4792 * config/bfin/predicates.md (lc_register_operand): New.
4793 (lt_register_operand): New.
4794 (lb_register_operand): New.
4795 (nondp_register_operand): New.
4796 (nondp_reg_or_memory_operand): New.
4797 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4799 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4801 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4802 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4804 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4806 * Makefile.in (CATALOGS): Add po/ prefix.
4807 * configure: Regenerated.
4809 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4812 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4813 a shift operand before calling shift_op. Avoid redundant call of
4816 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4817 DJ Delorie <dj@redhat.com>
4819 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4820 we're inserting is a singlt-bit constant.
4822 2006-05-30 Roger Sayle <roger@eyesopen.com>
4824 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4825 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4827 2006-05-30 Roger Sayle <roger@eyesopen.com>
4829 PR tree-optimization/23452
4830 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4831 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4832 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4833 complex values and with -ffast-math for FP complex values.
4835 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4837 * c-common.h: Remove the prototype for yyparse.
4838 * rtl.h: Remove the prototype for init_loop.
4840 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4842 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4845 2006-05-30 Roger Sayle <roger@eyesopen.com>
4847 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4849 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4850 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4852 2006-05-30 Dirk Mueller <dmueller@suse.de>
4855 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4856 for CONSTANT_CLASS_P expresisons.
4858 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4861 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4863 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4865 PR tree-optimization/27779
4866 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4867 initial_condition instead of CHREC_LEFT.
4869 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4871 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4872 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4873 Make prototypes ISO C90.
4875 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4876 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4878 * see.c (see_analyze_one_def): Correct check.
4879 (see_get_extension_data): Check if extension is parallel.
4880 (see_get_extension_reg): Likewise.
4882 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4885 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4886 into register for (code == GTU).
4888 2006-05-29 Roger Sayle <roger@eyesopen.com>
4890 PR tree-optimization/24964
4891 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4892 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4893 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4894 abs(x)*abs(x) as x*x for scalar floating point modes.
4896 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4899 * lambda-code.c (perfect_nestify): Don't copy statements
4900 in the inner loop: move them to the inner loop header.
4902 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4905 * c-tree.texi: Document OpenMP directives and clauses.
4907 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4909 * varasm.c (globalize_decl): Fix indentation.
4911 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4914 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4915 pass_fre, pass_store_ccp, pass_copy_prop,
4916 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4917 pass_return_slot, pass_object_size, pass_lim,
4918 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4919 pass_loop_prefetch and pass_stdarg.
4921 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4923 * config/bfin/bfin.opt (mfdpic): New option.
4924 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4925 (EXTRA_MULTILIB_PARTS): Likewise.
4926 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4927 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4929 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4930 (CRT_CALL_STATIC_FUNCTION): New.
4931 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4933 (CRT_CALL_STATIC_FUNCTION): New.
4934 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4936 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4937 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4938 (initialize_trampoline): Changed to handle FD-PIC code generation.
4939 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4940 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4941 (override_options): Disallow -mid-shared-library -mfdpic combination.
4942 Can't do unaligned ops if FD-PIC.
4943 Turn off flag_pic if trying to generate non-id-shared-library
4944 non-fdpic code, since it's not supported.
4945 (bfin_assemble_integer): New function.
4946 (TARGET_ASM_INTEGER): Define.
4947 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4949 * config/bfin/crtn.s: Restore them.
4950 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4952 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4953 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4954 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4955 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4956 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4958 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4959 FDPIC_REGS and FDPIC_FPTR_REGS.
4960 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4961 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4962 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4963 (load_funcdescsi): New pattern.
4964 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4965 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4966 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4968 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4970 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4973 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4975 * tree-flow.h: Remove the prototype for add_type_alias.
4976 * tree-ssa-alias.c (add_type_alias): Remove.
4978 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4980 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4981 config/fr30/fr30.md, config/i386/i386-interix.h,
4982 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4983 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4984 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4985 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4986 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4987 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4988 Follow spelling conventions.
4989 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4990 Follow spelling conventions.
4992 2006-05-27 Richard Guenther <rguenther@suse.de>
4995 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4996 to produce a constant of value 1 of generic type.
4998 2006-05-27 Dirk Mueller <dmueller@suse.de>
5000 * cgraphunit.c (decide_is_function_needed): Fix wrong
5003 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5005 PR rtl-optimization/27661
5006 * reload.c (find_reloads): When reloading a VOIDmode constant
5007 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5008 use Pmode as mode of the reload register.
5010 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5012 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5013 is enabled at -O and above.
5015 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5018 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5021 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5024 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5025 for anonymous variables explicitly declared by front ends.
5027 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5029 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5030 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5031 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5032 ref-all pointers, run a finalization pass for them.
5033 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5034 (finalize_ref_all_pointers): New function.
5035 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5036 regular pointer type to a ref-all pointer type.
5037 (get_tmt_for): Return the special memory tag for ref-all pointers.
5039 2006-05-25 Richard Guenther <rguenther@suse.de>
5042 * fold-const.c (fold_binary): Do not look at the stripped
5043 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5045 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5047 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5048 for LT and GT if the computed range is effectively empty.
5050 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5053 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5054 mips_quad_format formats instead of ieee_single_format,
5055 ieee_double_format and ieee_quad_format formats, respectively.
5057 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5059 PR tree-optimization/27639
5060 PR tree-optimization/26719
5061 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5062 call to scev_probably_wraps_p.
5063 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5064 used_in_pointer_arithmetic_p, convert_step): Removed.
5065 (nowrap_type_p): New function.
5066 (scev_probably_wraps_p): Rewritten.
5067 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5068 chrec_convert if chrec_convert_aggressive might have been used.
5069 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5070 scev_direction): New functions.
5071 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5072 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5073 instead of convert_step.
5074 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5075 (convert_step): Declaration removed.
5076 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5078 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5080 * df-core.c: Added to header comments.
5081 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5082 df_ur_bb_info, df_urec_bb_info): Added comments.
5083 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5084 urec, ri problems): Fixed header comments.
5085 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5086 code from df_rd_transfer_function.
5088 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5090 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5091 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5092 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5094 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5096 * expr.c (undefined_operand_subword_p): New.
5097 (emit_move_multi_word): Do not generate move from undefined bits
5098 of a paradoxical subreg.
5100 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5102 PR rtl-optimization/27736
5103 * combine.c (replaced_rhs_value): New variable.
5104 (combine_instructions): Set it.
5105 (distribute_notes): When distributing a note in replaced_rhs_insn,
5106 check whether the value was used in replaced_rhs_value.
5108 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5111 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5112 add_referenced_var instead of add_referenced_tmp_var.
5113 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5114 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5116 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5117 tree_optimize_tail_calls_1): Use add_referenced_var.
5118 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5119 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5120 Use add_referenced_var.
5121 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5122 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5123 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5124 Use add_referenced_var.
5125 * tree-dfa.c (struct walk_state): Remove.
5126 (find_referenced_vars): Remove walk state and vars_found hash table.
5127 (make_rename_temp): Use add_referenced_var.
5128 (find_vars_r): Pass less parameters to add_referenced_var.
5129 (referenced_var_p): New. Is var in referenced_var hash table.
5130 (referenced_var_insert): Assert var isn't already in hash table.
5131 (add_referenced_var): Don't need walk_state parameter. Add var if it
5132 isn't already in the hash table.
5133 (add_referenced_tmp_var): Remove.
5134 (find_new_referenced_vars_1): Use add_referenced_var.
5135 * tree-ssa-pre.c (create_expression_by_pieces,
5136 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5137 Use add_referenced_var.
5138 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5139 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5140 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5142 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5143 vect_create_data_ref_ptr, vect_create_destination_var,
5144 vect_init_vector, vect_build_loop_niters,
5145 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5146 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5147 Use add_referenced_var.
5148 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5149 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5150 (add_referenced_var): Add prototype.
5151 * tree-ssa-structalias.c (get_constraint_for,
5152 intra_create_variable_infos): Use add_referenced_var.
5154 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5156 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5157 big-endian paradoxical subregs.
5158 * var-tracking.c (struct micro_operation_def): Document that,
5159 for modify micro operations, insn is the subsequent instruction.
5160 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5161 (var_reg_set, var_mem_set): ... new functions.
5162 (add_stores): Record subsequent insn.
5163 (compute_bb_dataflow): Use new functions for MO_USE.
5164 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5165 notes after the insn, and modify notes before the insn known
5166 to be the subsequent one.
5167 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5169 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5172 * config/i386/i386.c (ix86_expand_builtin): Use
5173 gen_sse3_monitor64 for TARGET_64BIT.
5175 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5177 PR rtl-optimization/26375
5178 PR rtl-optimization/26855
5179 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5181 (df_ru_bb_local_compute): Reversed statements and removed bogus
5182 comment explaining why they should be in wrong order.
5183 (df_ru_dump, df_rd_dump): Enhanced debug info.
5184 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5186 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5187 reaching uses and fixed space problem.
5189 2006-05-23 Jan Hubicka <jh@suse.cz>
5191 * cgraphunit.c (decide_is_function_needed): Also nested functions
5192 and functions declared inline can be optimized out at -O0.
5194 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5196 * doc/install.texi (Configuration): Remove reference to CrossGCC
5200 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5203 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5204 ix86_compare_emitted is non-NULL.
5206 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5209 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5212 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5214 PR rtl-optimization/25514
5215 * combine.c (replaced_rhs_insn): New variable.
5216 (combine_instructions): Set replaced_rhs_insn when trying to replace
5217 a SET_SRC with a REG_EQUAL note.
5218 (distribute_notes): Use replaced_rhs_insn when determining the live
5219 range of a REG_DEAD register.
5221 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5222 Anatoly Sokolov <aesok@post.ru>
5224 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5225 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5226 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5227 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5228 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5229 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5230 at90usb647, at90usb1286 and at90usb1287 devices.
5231 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5232 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5234 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5236 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5238 2006-05-22 Richard Guenther <rguenther@suse.de>
5241 2006-01-31 Richard Guenther <rguenther@suse.de>
5242 Paolo Bonzini <bonzini@gnu.org>
5244 * doc/install.texi (--disable-libgcc-math): Document.
5246 2006-05-22 Richard Guenther <rguenther@suse.de>
5249 2006-01-31 Richard Guenther <rguenther@suse.de>
5251 * doc/invoke.texi (-msselibm): Document.
5252 * target.h (expand_library_builtin): New target hook.
5253 * builtins.c (expand_builtin): Use expand_library_builtin.
5254 (default_expand_library_builtin): New function.
5255 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5256 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5257 (link_gcc_math_spec): Declare.
5258 (static_specs): Add link_gcc_math_spec.
5259 * expr.h (default_expand_library_builtin): Declare.
5260 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5261 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5262 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5263 * config/i386/i386.opt (msselibm): New target option.
5264 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5265 (ix86_init_sse_abi_builtins): New function.
5266 (ix86_expand_library_builtin): Likewise.
5267 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5268 (override_options): Handle error conditions wrt -msselibm.
5269 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5270 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5271 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5274 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5277 * c-common.c (self_promoting_args_p): Skip erroneous args.
5280 * c-decl.c (finish_struct): Skip erroneous fields.
5282 2006-05-22 Nick Clifton <nickc@redhat.com>
5284 * config/cris/cris.opt (march): Remove VarExists attribute.
5285 (max-stackframe=): Likewise.
5287 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5289 * doc/rtl.texi: Fix a typo.
5290 * see.c: Fix comment typos.
5292 * tree-ssa-structalias.h (alias_info): Remove num_references.
5294 2006-05-21 Mike Stump <mrs@apple.com>
5296 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5298 (darwin_pragma_options): Use BAD instead.
5299 (darwin_pragma_unused): Likewise.
5300 (darwin_pragma_ms_struct): Likewise.
5302 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5304 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5306 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5308 PR rtl-optimization/27671
5309 * simplify-rtx.c (simplify_relational_operation_1): Fix
5310 simplifications of (eq/ne (xor x y) y) and
5311 (eq/ne (xor x y) x).
5313 PR tree-optimization/26622.
5314 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5317 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5319 * tree-cfg.c: Prune whitespace.
5320 (debug_tree_cfg): Point to correct header containing the
5323 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5326 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5328 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5331 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5332 or sorry count is non zero.
5334 2006-05-20 Andreas Schwab <schwab@suse.de>
5336 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5338 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5339 Kenneth Zadeck <zadeck@naturalbridge.com>
5341 PR rtl-optimization/26855
5343 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5345 (df_scan_alloc): Added code to properly handle multiword hard
5346 registers and add all_blocks parameter.
5347 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5348 code to properly handle multiword hard registers.
5349 (df_rescan_blocks): Added code to remove deleted blocks from
5351 (df_ref_create_structure, df_ref_record): Added code to properly
5353 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5354 and set DF_REF_PARTIAL.
5355 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5356 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5357 (df_scan_add_problem): Added flags parameter.
5358 (df_ref_create_structure): Changed switching structure.
5359 (df_bb_refs_record): Fixed case where duplicate artificial refs
5360 were created. Changed location of flags.
5361 (df_record_entry_block_defs): Added code to make stack pointer
5362 live in entry block. Refined cases where frame pointer is needed.
5363 Changed location of flags.
5364 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5365 (df_set_state): Removed function.
5366 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5367 df_insn_create_insn_record, df_insn_refs_delete,
5368 df_ref_create_structure): Formatting changes.
5369 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5370 df_delete_basic_block): New function.
5371 (df_init): Changed location of flags.
5372 (df_add_problem): Added flags parameter and the way flags are
5374 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5375 debug_df_chain): Improved debugging output.
5376 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5377 (df_refs_chain_dump): Removed df parameter.
5378 (df_iterative_dataflow): Added consistency check.
5379 (df_prune_to_subcfg): Made public.
5380 (df_analyze_problem): Added blocks_to_init parameter and made
5382 (df_ref_record, df_bb_refs_record, df_mark_reg,
5383 df_record_exit_block_uses): Whitespace changes.
5384 (df_dump): Whitespace changes.
5385 * df.h: Some reordering to remove forward references.
5386 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5387 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5388 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5389 (dataflow.flags): New field.
5390 (df.flag): Deleted field.
5391 (df_alloc_function): Added additional bitmap parameter.
5392 (df_dependent_problem_function): New type.
5393 (df_problem.changeable_flags): New field.
5394 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5395 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5396 (df_mw_hardreg): New struct.
5397 (DF_INSN_UID_MWS): New macro.
5398 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5400 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5401 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5402 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5403 (df_set_state): Removed function.
5404 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5405 * df-problems.c (df_chain_dump): Removed df parameter.
5406 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5407 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5409 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5410 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5411 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5412 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5413 DF_REF_MUST_CLOBBER cases.
5414 (df_ru_bb_local_compute_process_def,
5415 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5416 df_lr_bb_local_compute, df_ur_bb_local_compute,
5417 df_chain_create_bb): Made subreg aware.
5418 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5419 df_lr_bb_local_compute, df_lr_bb_local_compute,
5420 df_chain_create_bb): Cleanup to use proper macros.
5421 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5422 code to fixup bitvectors.
5423 (df_ri_alloc): Cleared lifetime.
5424 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5425 df_create_unused_note): New function.
5426 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5427 REG_DEAD and REG_UNUSED notes as well as register information.
5428 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5429 df_chains_dump): Fixed crash if problem was never run.
5430 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5431 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5432 df_ri_add_problem): Processes flags in uniform manner.
5433 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5434 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5435 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5436 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5437 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5438 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5439 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5440 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5441 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5442 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5443 * see.c (see_initialize_data): Ditto.
5444 * final.c (rest_of_clean_state) Added regstack_completed.
5445 * rtl.h (regstack_completed): Ditto.
5446 * reg-stack.c (regstack_completed): Ditto.
5448 2006-05-19 Mike Stump <mrs@apple.com>
5450 * c-tree.h (default_conversion): Remove.
5451 * c-common.h (default_conversion): Add.
5453 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5455 * tree-vrp.c (valid_value_p): New function.
5456 (adjust_range_with_scev): Fail if the value of bound is not
5459 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5461 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5462 (mips_fallback_frame_state): Use syscall numbers to determine
5463 the appropriate li instruction for the current ABI. Only use
5464 __NR_sigreturn for o32.
5466 2006-05-19 Nicolas Setton <setton@adacore.com>
5468 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5469 * langhooks.c (lhd_dwarf_name): New function.
5470 * langhooks-def.h (lhd_dwarf_name): Declare.
5471 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5472 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5473 * ada/misc.c (gnat_dwarf_name): New function.
5474 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5476 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5478 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5480 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5481 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5482 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5483 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5484 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5485 determine the size of Wtype, etc.
5486 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5487 (swfloatfuncs): New variable.
5488 (dwfloatfuncs): Likewise.
5489 (lib2funcs): Remove floating-point conversion functions from
5490 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5491 the set of conversion routines needed. Allow entries to specify
5492 an object name, filename and word size. Update users accordingly.
5493 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5494 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5498 2006-02-08 Roger Sayle <roger@eyesopen.com>
5501 * config/fixtfdi.c: New libgcc source file.
5502 * config/fixunstfdi.c: New source file.
5503 * config/floatditf.c: New source file.
5504 * config/floatunditf.c: New souce file.
5505 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5506 files above instead of config/mips/_tilib.c.
5507 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5509 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5511 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5512 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5514 2006-05-18 Mike Stump <mrs@apple.com>
5516 Fix up vla, vm and [*] sematics.
5522 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5523 (c_vla_unspec_p): Add.
5524 (c_vla_type_p): Add.
5525 * c-decl.c (struct c_scope): Add had_vla_unspec.
5526 (build_array_declarator): Add support for [*].
5527 (grokdeclarator): Likewise.
5528 (grokparms): Likewise.
5529 (get_parm_info): Likewise.
5530 * c-objc-common.c (c_vla_unspec_p): Likewise.
5531 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5532 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5533 typeof when argument is a variably modified type not inside sizeof or alignof.
5534 (c_parser_direct_declarator_inner): Propagate errors.
5535 (c_parser_sizeof_expression): Add support for [*].
5536 (c_parser_parms_declarator): Initialize had_vla_unspec.
5537 (c_parser_parms_list_declarator): Likewise.
5538 * c-typeck.c (c_vla_type_p): Add.
5539 (composite_type): Add support for vla compositing.
5540 (comptypes_internal): Add support for vla compatibility.
5541 (c_expr_sizeof_expr): Evaluate vla arguments.
5542 * tree.c (variably_modified_type_p): Update comment for [*].
5544 2006-05-18 Michael Matz <matz@suse.de>
5547 * config.host: Make assignments to host_xmake_file cumulative.
5548 * config.host (*-darwin*): Test $host, not $target.
5550 2006-05-12 Stuart Hastings <stuart@apple.com>
5552 * config/i386/i386.opt (-mstackrealign): New flag.
5553 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5554 (ix86_handle_cconv_attribute): Emit error when
5555 force_align_arg_pointer attribute collides with too many regparms.
5556 (ix86_function_regparm): Limit regparms when used with
5557 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5558 Support stack-realigning prologue in non-main functions. Emit
5559 warning for nested functions under -mstackrealign, emit error for
5560 nested functions with force_align_arg_pointer attribute.
5561 * doc/extend.texi (force_align_arg_pointer): Document it.
5562 * doc/invoke.texi (-mstackrealign): Document it.
5564 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5566 PR rtl-optimization/27477
5567 * combine.c (try_combine): Don't split a parallel consisting
5568 of two sets into two individual sets if both sets reference
5571 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5573 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5574 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5576 * doc/options.texi (VarExists): Updated.
5578 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5580 * unwind-dw2.c: Add declarations for uw_update_context and
5582 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5583 detected, advance frame state and context once to skip over stub.
5585 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5589 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5590 Call rewrite_into_loop_closed_ssa only when something changed.
5591 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5592 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5593 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5594 Test for perfect_nest_p here. Fix formating.
5595 (replace_uses_equiv_to_x_with_y): Fix formating.
5596 (stmt_uses_op): Removed.
5597 (can_convert_to_perfect_nest): Removed loopivs parameter.
5598 Complete the test by checking the scalar dependences.
5599 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5602 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5605 From Dan Kegel <dank@kegel.com>:
5606 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5608 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5610 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5611 if the element type is variably modified without recursing.
5613 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5616 * tree-loop-linear.c (try_interchange_loops): Test for
5617 no data dependences.
5619 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5621 PR tree-optimization/27548
5622 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5623 range of ssa names that appear on abnormal edges.
5624 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5625 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5627 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5630 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5632 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5635 * tree.h (OMP_PARALLEL_COMBINED): Define.
5636 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5637 (new_omp_context): Add is_combined_parallel argument.
5638 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5639 new_omp_context caller.
5640 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5641 Adjust gimplify_scan_omp_clauses callers.
5642 (omp_is_private): Issue errors if iteration variable is firstprivate
5643 or reduction in the current context.
5644 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5645 on combined parallel workshare constructs.
5647 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5649 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5650 (gcc-options.o): New rule.
5652 * optc-gen.awk: Protect variables for gcc-options.o with
5653 #ifdef GCC_DRIVER/#endif.
5655 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5657 Fix PR tree-optimization/27373
5658 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5659 (forward_propagate_addr_expr): Update call.
5661 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5663 * doc/options.texi: Move the Negative option.
5665 2006-05-16 Richard Guenther <rguenther@suse.de>
5667 PR tree-optimization/22303
5668 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5670 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5671 ccp_fold did not simplify the statement.
5673 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5676 * Makefile.in (GCC_OBJS): New.
5677 (OBJS-common): Add opts-common.o.
5678 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5679 (cpp$(exeext)): Likewise.
5680 (gcc.o): Also depend on opts.h.
5681 (opts-common.o): New.
5683 * common.opt (gcoff): Add Negative(gdwarf-2).
5684 (gdwarf-2): Add Negative(gstabs).
5685 (gstabs): Add Negative(gstabs+).
5686 (gstabs+): Add Negative(gvms).
5687 (gvms): Add Negative(gxcoff).
5688 (gxcoff): Add Negative(gxcoff+).
5689 (gxcoff+): Add Negative(gcoff).
5690 * config/i386/i386.opt (m32): Add Negative(m64).
5691 (m64): Add Negative(m32).
5693 * doc/options.texi: Document the Negative option.
5695 * gcc.c: Include "opts.h".
5696 (main): Call prune_options after expandargv.
5698 * optc-gen.awk: Generate common declarations for all flag
5699 variables in options.c. Output the neg_index field.
5701 * opts.c (find_opt): Moved to ...
5702 * opts-common.c: Here. New file.
5704 * opts.h (cl_option): Add a neg_index field.
5706 (prune_options): Likewise.
5708 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5711 * omp-low.c (expand_omp_parallel): Don't assert
5712 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5713 instead search for it.
5716 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5719 2006-05-16 Andreas Schwab <schwab@suse.de>
5721 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5724 2006-05-15 Roger Sayle <roger@eyesopen.com>
5727 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5728 integer constants other than zero are only legitimate on TARGET_64BIT.
5729 <CONST_VECTOR> Only zero vectors are legitimate.
5730 (ix86_cannot_force_const_mem): Integral and vector constants can
5731 always be put in the constant pool.
5733 2006-05-16 DJ Delorie <dj@redhat.com>
5735 * crtstuff.c (__dso_handle): Set section from
5736 TARGET_LBIGCC_SDATA_SECTION if defined.
5737 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5738 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5740 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5743 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5746 2006-05-16 Ben Elliston <bje@au.ibm.com>
5748 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5750 2006-05-15 Per Bothner <per@bothner.com>
5752 * tree.c: (last_annotated_node): Use source_locus typedef.
5753 This permits bootstrapping with --enable-mapped-location.
5755 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5757 PR tree-optimization/26830
5758 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5759 (info_for_ssa_name, current_info_for_ssa_name_age,
5760 blocks_to_update): New variables.
5761 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5762 (clear_ssa_name_info, initialize_flags_in_bb,
5763 mark_block_for_update): New functions.
5764 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5765 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5766 prepare_def_site_for): Use mark_block_for_update.
5767 (mark_def_interesting): Assert that the processed block is marked in
5768 blocks_to_update. Do not take blocks argument.
5769 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5771 (rewrite_update_init_block, rewrite_update_stmt): Only process
5772 blocks with statements to rewrite.
5773 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5774 (update_ssa): Initialize and free blocks_to_update. Do not
5775 clear flags on statements. Do not use blocks bitmap.
5776 * tree.h (SSA_NAME_AUX): Removed.
5777 (struct tree_ssa_name): Removed aux field.
5778 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5780 2006-05-15 Richard Guenther <rguenther@suse.de>
5782 PR tree-optimization/27603
5783 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5784 Do computations in original type.
5786 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5788 * see.c: Code style changes such as redundant paranthesis,
5789 redundant intialization of local variables etc.
5790 (see_main): Declared now as static.
5791 * doc/invoke.texi: Update that -fsee is not enabled by
5794 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5796 * omp-low.c (check_omp_nesting_restrictions): New function.
5797 (scan_omp_1): Call it.
5800 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5801 construct, return *VAR.
5803 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5805 PR rtl-optimization/27406
5806 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5809 2006-05-14 Roger Sayle <roger@eyesopen.com>
5811 PR rtl-optimization/27538
5812 * combine.c (expand_compound_operation): Call gen_lowpart
5813 before calling simplify_shift_const.
5815 2006-05-14 Roger Sayle <roger@eyesopen.com>
5817 PR rtl-optimization/22563
5818 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5819 a fixed width bitfield, always force the intermediates into psuedos.
5821 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5824 * mkconfig.sh: Use operator = instead of == for test.
5826 2006-05-13 Nick Clifton <nickc@redhat.com>
5828 * dwarf2out.c (dbx_reg_number): Check return value from
5829 LEAF_REG_REMAP and only use it if it is valid.
5830 (multiple_reg_loc_descriptor): Likewise.
5832 2006-05-13 Richard Guenther <rguenther@suse.de>
5834 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5837 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5839 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5840 information attached to non-INSNs such as NOTEs.
5841 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5843 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5845 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5847 * config/s390/s390.md: Adjust comment describing On constraint.
5849 2006-05-11 Jan Hubicka <jh@suse.cz>
5851 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5852 to be output at -O0.
5854 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5857 * fold-const.c (size_binop): Move sanity check for arguments to
5858 the beginning of the function.
5861 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5864 2006-05-11 Richard Guenther <rguenther@suse.de>
5867 * fold-const.c (fold_unary): Handle intermediate conversion
5868 to a pointer type like intermediate conversion to an integer
5869 type in folding of (T1)(T2)var to var.
5870 Match the code to the comment in the final conversion for
5871 (T1)(T2)var to (T1)var regarding to type precision. Rather
5872 than disallow T1 being of pointer type, assert that both T1
5873 and var are of pointer type or not. Make sure not to fall
5874 over the frontends lazyness wrt array to pointer decay though.
5876 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5878 * arm.c (arm_struct_value_rtx): Delete.
5879 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5880 (arm_init_cumulative_args): Always initialize nregs to zero.
5882 2006-05-10 Richard Guenther <rguenther@suse.de>
5884 PR tree-optimization/27532
5885 * tree-object-size.c (plus_expr_object_size): Fix typo.
5887 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5890 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5891 ashrdi_const, ashrdi3): Use a scratch register.
5893 2006-05-10 Richard Guenther <rguenther@suse.de>
5895 PR tree-optimization/27302
5896 * fold-const.c (operand_equal_p): For two comparisons,
5897 try comparison of one comparison code swapped if that yields
5900 2006-05-10 Ben Elliston <bje@au.ibm.com>
5902 * tree-pretty-print.c (pretty_print_string): No need to handle
5903 '\0' as a special character.
5905 * tree.h: Include "hashtab.h".
5906 (iterative_hash_expr): Use hashval_t in its prototype.
5907 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5909 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5912 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5913 (hppa*64*-*-hpux11*): Ditto.
5914 (hppa[12]*-*-hpux11*): Ditto.
5916 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5919 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5921 2006-05-09 Michael Matz <matz@suse.de>
5923 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5924 host_extra_gcc_objs and host_xmake_file.
5925 (<*-*-linux*>): Don't overwrite host_xmake_file.
5926 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5927 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5928 (host_detect_local_cpu): Declare.
5929 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5930 * config/i386/i386.c (override_options): Handle -mtune=native
5932 * config/i386/x-i386: New file.
5933 * config/i386/driver-i386.c: New file.
5934 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5937 2006-05-09 Dirk Mueller <dmueller@suse.de>
5938 Richard Guenther <rguenther@suse.de>
5941 * fold-const.c (fold_read_from_constant_string): Relax check
5942 for matching types to matching modes.
5944 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5946 PR rtl-optimization/27335
5947 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5950 2006-05-08 Chao-ying Fu <fu@mips.com>
5951 Richard Sandiford <richard@codesourcery.com>
5953 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5954 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5955 * config/mips/mips.md (UNSPEC_SCC): New constant.
5956 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5957 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5958 (mips_emit_compare): Use it.
5959 (mips_expand_vcondv2sf): New function.
5961 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5963 Fix PR tree-optimization/27093
5964 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5965 renaming when they become not-used_alone.
5967 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5969 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5970 relocation and relocation stubs.
5972 2006-05-08 Eric Christopher <echristo@apple.com>
5974 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5977 2006-05-08 Jan Hubicka <jh@suse.cz>
5980 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5981 unused static functions are needed.
5983 2006-05-08 Roger Sayle <roger@eyesopen.com>
5986 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5987 of a reg_equiv_constant if the result is a legitimate constant.
5989 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5992 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5993 standard 80387 constants, raise the cost to prevent
5994 compress_float_constant() to generate load from memory.
5996 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5998 * config/arm/constraints.md (c): Fix a typo.
6000 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6003 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6006 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6008 (_mm_mwait): Likewise.
6010 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6012 (sse3_monitor): Make it 32bit only.
6013 (sse3_monitor64): New. 64bit monitor.
6015 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6018 * config/i386/i386.c (classify_argument): Skip fields with invalid
6021 2006-05-07 Richard Guenther <rguenther@suse.de>
6023 PR tree-optimization/27409
6024 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6025 Do not try to find zero-sized subvars.
6027 2006-05-07 Richard Guenther <rguenther@suse.de>
6029 PR tree-optimization/27136
6030 * tree-ssa-loop-niter.c (get_val_for): Correct function
6031 comment, assert requirements.
6032 (loop_niter_by_eval): Stop processing if the iterated
6033 value did not simplify.
6035 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6037 * opts.c (flag_see): remove its setting at -O3.
6039 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6041 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6042 * arm/constraints.md: New file.
6043 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6044 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6045 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6046 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6047 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6048 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6049 * arm.md: Include constraints.md.
6050 (thumb_movsi_insn): Use satisfies_constraint_J.
6051 (movhi, movqi): Use satisfies_constraint_I.
6053 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6055 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6056 for atmeg a645 device.
6058 2006-05-06 Richard Guenther <rguenther@suse.de>
6060 PR tree-optimization/27151
6061 * tree-vect-transform.c (vectorizable_condition): Punt on
6062 values that have a different type than the condition.
6064 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6067 * c-parser.c (c_parser_cast_expression): Only insert casts into
6068 hash table if pointer.
6069 * function.c (used_types_insert_helper): Rename from
6071 (used_types_insert): Call used_types_insert_helper.
6072 * function.h (used_types_insert): Accept only one argument.
6074 2006-05-05 David Edelsohn <edesohn@gnu.org>
6076 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6077 scratch with output modifier.
6079 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6082 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6083 with output modifier.
6085 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6088 * config/mips/mips.c (mips_symbolic_address_p): Return true
6089 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6090 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6092 2006-05-04 Richard Guenther <rguenther@suse.de>
6094 PR tree-optimization/14287
6095 PR tree-optimization/14844
6096 PR tree-optimization/19792
6097 PR tree-optimization/21608
6098 PR tree-optimization/27090
6099 * tree-ssa-pre.c (try_combine_conversion): New function.
6100 (compute_avail): After constructing the value-handle
6101 expression, use try_combine_conversion to combine NOP_EXPRs
6102 with previous value-handle expressions and use the result if it
6105 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6107 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6109 2006-05-04 Jan Hubicka <jh@suse.cz>
6112 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6114 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6116 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6117 that this only matches CONST_INTs. All users changed to VOIDmode
6120 * config/bfin/bfin.c: Include "optabs.h".
6121 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6123 (enum bfin_builtins): Add a number of fractional and vector builtins.
6124 (bfin_init_builtins): Likewise.
6125 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6126 (safe_vector_operand, bfin_expand_binop_builtin,
6127 bfin_expand_unop_builtin): New functions.
6128 (bfin_expand_builtin): Handle the new builtins.
6129 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6132 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6135 * Makefile.in (OBJS-common): Add see.o.
6136 (see.o): Add dependencies.
6137 * common.opt (fsee): New flag for the see optimization was added.
6138 * opts.c (flag_see): Initialized.
6139 * passes.c (init_optimization_passes, pass_see): New pass.
6140 * rtl.h (see_main): Declaration as extern.
6141 * timevar.def (TV_SEE): New.
6142 * tree-pass.h (pass_see): Declaration as extern.
6143 * invoke.texi (-fsee): Document.
6144 * recog.c (validate_simplify_insn): New function.
6145 * recog.h (validate_simplify_insn): Declaration as extern.
6146 * df-problems.c (df_chain_dump): Check for NULL.
6148 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6149 Daniel Berlin <dberlin@dberlin.org>
6151 * cfgrtl.c (insert_insn_bb_end_new): New function.
6152 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6154 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6156 * df.h (struct web_entry): Moved from web.c.
6157 (union_defs): Declaration as extern.
6158 (unionfind_root): Likewise.
6159 (unionfind_union): Likewise.
6160 * web.c (struct web_entry): Moved to df.h.
6161 (unionfind_root): Remove static declaration.
6162 (unionfind_union): Likewise.
6163 (union_defs): Likewise and generalize to use callback function.
6164 (web_main): Update arguments for union_defs function call.
6166 2006-05-04 Richard Guenther <rguenther@suse.de>
6168 PR tree-optimization/26447
6169 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6170 produce SSA_NAME copies before the store stmt to avoid
6171 breaking exception handling.
6173 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6176 * gimplify.c (omp_is_private): If var is shared in some outer context,
6177 return false instead of true. Stop searching on parallel context
6180 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6183 * coverage.c: Use get_gcov_unsigned_t() instead of
6184 unsigned_type_node all over.
6186 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6188 PR tree-optimization/27381
6189 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6190 maintain the same immediate_use links.
6191 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6192 node rather than segfaulting.
6194 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6197 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6198 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6199 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6201 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6203 Fix PR tree-optimization/26626
6204 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6206 * tree-ssa-operands.c (access_can_touch_variable): Allow
6207 typecasting through union pointers.
6209 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6212 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6213 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6214 to find if var will be a global variable even in the nested context.
6215 (omp_copy_decl): Only check for global variable at the end, it might
6216 be overridden in outer contexts.
6217 (scan_sharing_clauses): For global variables don't create a field.
6218 (lower_rec_input_clauses): Do nothing for global shared variables.
6219 Emit a barrier at the end of ILIST if there were any decls in both
6220 firstprivate and lastprivate clauses.
6221 (lower_send_clauses): Do nothing for global variables except for
6224 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6226 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6227 of the correct signedness is returned.
6229 2006-05-02 Jeff Law <law@redhat.com>
6231 PR tree-optimization/27364
6232 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6233 multiply expressions.
6235 2006-05-02 Tom Tromey <tromey@redhat.com>
6237 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6239 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6242 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6243 -mthumb -fPIC are used.
6245 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6246 Joshua Kinard <kumba@gentoo.org>
6249 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6250 with 64-bit pointers.
6252 2006-05-02 Paul Brook <paul@codesourcery.com>
6254 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6256 (create_fix_barrier): Check that a suitable barrier location is
6258 (arm_reorg): Include ftmp->address in allowable range of addresses.
6260 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6263 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6266 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6269 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6270 around RESULT_DECL for result passed by reference.
6271 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6272 * omp-low.c (use_pointer_for_field): Don't look at
6273 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6274 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6275 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6276 time or var for passing by reference for
6277 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6278 TREE_ADDRESSABLE variables when passing by reference.
6280 * omp-low.c (dump_omp_region): Fix output formatting.
6283 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6284 (expand_omp_parallel): Likewise.
6285 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6288 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6289 on statement list containing also constructors and destructors.
6290 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6293 * except.c (duplicate_eh_regions): Fix clearing of
6294 cfun->eh->region_array entries.
6296 2006-05-01 DJ Delorie <dj@redhat.com>
6298 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6300 (gcc_cv_objdump): Likewise.
6301 * configure: Regenerated.
6303 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6306 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6307 templates for case 3 and 4.
6309 2006-05-01 DJ Delorie <dj@redhat.com>
6311 * vec.c: Include bconfig.h when appropriate.
6312 * Makefile.in (build/vec.o): Adjust dependencies.
6313 * mkconfig.sh: Make sure config.h isn't used for build machine
6316 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6318 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6320 (mark_phi_for_rewrite): New function.
6321 (insert_phi_nodes_for, mark_use_interesting): Call
6322 mark_phi_for_rewrite.
6323 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6324 (update_ssa): Initialize and free phis_to_rewrite.
6326 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6328 PR rtl-optimization/27291
6329 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6330 folded to a constant.
6332 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6334 PR tree-optimization/27283
6335 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6336 not whole # of iteration descriptions.
6337 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6338 uses abnormal ssa name.
6339 (niter_for_single_dom_exit): Ditto.
6340 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6341 return just the number of iterations.
6343 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6345 PR tree-optimization/27144
6346 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6347 (record_estimate): Only record constant upper bound.
6348 (infer_loop_bounds_from_undefined): Call
6349 compute_estimated_nb_iterations just once.
6350 (proved_non_wrapping_p): Renamed to ...
6351 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6352 (convert_step_widening, scev_probably_wraps_p): Call
6353 n_of_executions_at_most instead of proved_non_wrapping_p.
6354 (substitute_in_loop_info): Do not replace values in bounds.
6355 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6358 2006-05-01 Richard Henderson <rth@redhat.com>
6361 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6362 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6365 2006-05-01 Roger Sayle <roger@eyesopen.com>
6367 * c-typeck.c (parser_build_binary_op): Don't call the function
6368 unsigned_conversion_warning to spot operand/result type overflow.
6369 (build_binary_op): Instead, call convert_and_check instead of
6370 convert to report the problem when the operands are promoted.
6371 * c-common.c (unsigned_conversion_warning): Make static.
6372 * c-common.h (unsigned_conversion_warning): Delete prototype.
6374 2006-05-01 Richard Guenther <rguenther@suse.de>
6376 PR tree-optimization/26726
6377 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6379 (find_interesting_uses_address): ... we work around here
6380 by folding INDIRECT_REFs in the substituted base.
6382 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6384 * omp-low.c (dump_omp_region): Add newlines.
6386 2006-04-30 Roger Sayle <roger@eyesopen.com>
6388 * common.opt (Woverflow): New command line option.
6389 * c-common.c (constant_expression_warning): Check warn_overflow.
6390 (overflow_waring): Pass OPT_Woverflow to warning.
6391 (unsigned_conversion_warning): Likewise.
6392 (convert_and_check): Likewise.
6393 * doc/invoke.texi: Document new command line option.
6395 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6397 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6398 TARGET_NO_FP_IN_TOC for section anchors.
6399 (optimization_options): Enable section anchors for all
6400 non-"Objective" languages.
6402 2006-04-28 Eric Christopher <echristo@apple.com>
6404 * config/darwin-c.c (darwin_ms_struct): Move this
6405 (darwin_set_default_type_attributes): and this...
6406 * config/darwin.c: ... here.
6407 * config/darwin.h (darwin_ms_struct): Declare.
6409 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6411 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6413 2006-04-28 Roger Sayle <roger@eyesopen.com>
6416 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6417 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6418 an unsigned HOST_WIDE_INT.
6419 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6421 (really_start_incremental_init): No need to call convert because
6422 bitsize_zero_node is already of type bitsizetype.
6423 (push_init_level): Extract the value of constructor_index as an
6424 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6425 (process_init_element): Likewise.
6427 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6429 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6430 value before passing to make_relative_prefix.
6432 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6435 * builtins.c (expand_builtin_memset): Expand val in original mode.
6437 2006-04-27 Eric Christopher <echristo@apple.com>
6439 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6440 with #ifndef/#endif.
6441 * config/darwin-c.c (darwin_ms_struct): New.
6442 (darwin_pragma_ms_struct): Ditto.
6443 (darwin_set_default_type_attributes): Ditto.
6444 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6445 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6446 Register ms_struct pragma.
6447 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6448 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6449 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6450 darwin_set_default_type_attributes if TARGET_MACHO.
6452 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6454 PR tree-optimization/26854
6455 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6456 * doc/tree-ssa.texi: Update immuse iterator documentation.
6457 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6458 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6459 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6460 first_safe_imm_use, next_safe_imm_use): Remove.
6461 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6462 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6463 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6464 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6465 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6466 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6467 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6468 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6469 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6470 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6471 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6472 (perfect_nestify): Use new iterator.
6473 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6475 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6476 (next_imm_name): New field in struct immediate_use_iterator_d.
6477 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6478 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6479 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6480 * tree-cfg.c (replace_uses_by): Use new iterator.
6481 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6482 * tree-ssa-operands.c (correct_use_link): Remove.
6483 (finalize_ssa_use_ops): No longer call correct_use_link.
6485 2006-04-27 Stuart Hastings <stuart@apple.com>
6487 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6488 * config/t-darwin (crt3.o): Use it.
6489 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6490 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6491 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6492 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6493 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6496 2006-04-27 Roger Sayle <roger@eyesopen.com>
6498 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6499 size, force the intermediate into a new pseudo rather instead of
6500 performing both a bitwise AND and a bitwise IOR in memory.
6502 2006-04-27 Richard Guenther <rguenther@suse.de>
6504 PR rtl-optimization/26685
6505 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6506 this one "max-flow-memory-locations".
6508 2006-04-27 Richard Guenther <rguenther@suse.de>
6510 PR tree-optimization/25148
6511 * tree-vrp.c (compare_values): Remove code dealing with
6512 comparisons against type min/max value. Honour overflow
6513 and negative constants in code dealing with comparisons
6514 of plus and minus expressions.
6515 (value_inside_range): Use fold_binary with LE_EXPR and
6516 GE_EXPR rather than compare_values.
6518 2006-04-27 Dirk Mueller <dmueller@suse.de>
6520 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6523 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6525 * basic-block.h (safe_insert_insn_on_edge): Removed.
6526 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6528 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6529 Paolo Bonzini <bonzini@gnu.org>
6532 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6533 (simplify_and_const_int): Same.
6535 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6537 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6539 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6542 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6543 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6544 cgraph_global_info_ready.
6547 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6550 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6551 either decl or init is error_mark_node.
6554 * tree-flow.h (struct omp_region): Add sched_kind.
6555 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6556 instead of extracting omp for data.
6557 (expand_omp_for): Save extracted sched_kind.
6559 2006-04-25 Roger Sayle <roger@eyesopen.com>
6561 * expmed.c (store_bit_field): Also check whether the bitsize is
6562 valid for the machine's "insv" instruction before moving the
6563 target into a pseudo for use with the insv.
6564 * config/i386/predicates.md (const8_operand): New predicate.
6565 * config/i386/i386.md (extv, extzv, insv): Use the new
6566 const8_operand predicate where appropriate.
6568 2006-04-25 DJ Delorie <dj@redhat.com>
6570 * doc/install.texi (Specific): Clarify that this is not a list of
6571 supported hosts or targets.
6573 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6575 PR rtl-optimization/26725
6576 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6577 block's BB_DIRTY flag.
6579 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6581 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6584 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6585 to print an integer.
6587 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6589 * varasm.c (align_variable): New function.
6590 (get_block_for_decl): Apply align_variable to DECL before
6591 calculating section information.
6592 (assemble_variable): Split out alignment computation.
6594 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6596 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6599 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6601 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6602 MODE_PARTIAL_INT mode.
6603 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6604 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6606 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6607 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6609 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6611 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6613 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6614 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6615 MACFLAG_IH): Likewise.
6616 (movstricthi_1): Renamed from "*movstricthi".
6617 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6618 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6619 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6620 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6621 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6622 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6623 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6624 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6625 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6626 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6627 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6628 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6629 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6630 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6631 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6633 * doc/rtl.texi (ss_ashift): Improve wording.
6635 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6637 * dwarf2out.c (verify_marks_clear): New.
6638 (prune_unused_types): Call verify_marks_clear initially, not
6641 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6643 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6644 * doc/rtl.texi: Document them.
6645 * simplify-rtx.c (simplify_unary_operation,
6646 simplify_binary_operation_1): Don't abort when we see them.
6648 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6651 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6652 * configure.ac: Completely disregard languages that are not
6654 * configure: Regenerated.
6656 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6657 Richard Guenther <rguenther@suse.de>
6659 PR tree-optimization/27236
6660 * tree-inline.c (copy_body_r): Make sure to copy
6661 TREE_THIS_VOLATILE flag.
6663 2006-04-24 Richard Guenther <rguenther@suse.de>
6666 * tree-complex.c (update_parameter_components): Don't handle
6667 unused parameters which have no default def.
6669 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6670 Richard Guenther <rguenther@suse.de>
6672 PR tree-optimization/27218
6673 * tree-inline.c (expand_call_inline): Strip useless type
6674 conversions for the return slot address.
6676 2006-04-24 Richard Guenther <rguenther@suse.de>
6678 * cfgloop.h (struct loops): Remove unused field array. Reorder
6680 (LOOP_PREFETCH): Remove.
6682 2006-04-24 Richard Guenther <rguenther@suse.de>
6684 PR tree-optimization/22525
6685 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6686 variable, adjust types of generated expressions.
6688 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6690 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6691 (tree-vect-patterns.o): Likewise.
6693 (cselib.o): Likewise.
6694 (loop-doloop.o): Likewise.
6695 (regclass.o): Likewise.
6696 (reload1.o): Likewise.
6697 (explow.o): Replace target.h with $(TARGET_H).
6698 (ipa-prop.o): Likewise.
6699 (ipa-cp.o): Likewise.
6700 (ipa-inline.o): Likewise.
6701 (reorg.o): Likewise.
6702 (reg-stack.o): Likewise.
6704 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6706 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6708 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6710 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6712 * configure.ac: Completely disregard languages that are not
6714 * configure: Regenerated.
6717 * c-common.h (c_build_bitfield_integer_type): Declare.
6718 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6719 * c-common.c (c_build_bitfield_integer_type): ... here.
6721 2006-04-23 Roger Sayle <roger@eyesopen.com>
6724 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6725 a SImode SUBREG of a floating point register after no_new_pseudos.
6727 2006-04-23 Roger Sayle <roger@eyesopen.com>
6729 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6730 identify potentially eliminable registers to additionally catch
6731 VIRTUAL_INCOMING_ARGS_REGNUM.
6732 (addsi3): Update the conditions on when to use addsi_small_int.
6734 2006-04-23 Roger Sayle <roger@eyesopen.com>
6737 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6738 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6739 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6741 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6743 * fold-const.c (range_predecessor): Use operand_equal_p
6744 as the predicate for equality.
6745 (range_successor): Likewise.
6747 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6750 * config/soft-fp/op-common.h: Fix a typo.
6752 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6755 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6756 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6758 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6760 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6762 * doc/tm.texi: Fix a typo.
6764 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6766 * dwarf2out.c (struct die_struct): Document that die_sib makes
6767 a circular linked list.
6768 (FOR_EACH_CHILD): New.
6769 (reverse_die_lists): Delete.
6770 (reverse_all_dies): Delete.
6771 (add_dwarf_attr): Correct documentation.
6772 (remove_child_with_prev): New.
6773 (remove_child_TAG): Update for change to die_struct, use
6774 remove_child_with_prev.
6775 (add_child_die): Update for change to die_struct.
6776 (splice_child_die): Use remove_child_with_prev and add_child_die.
6777 (print_die): Use FOR_EACH_CHILD.
6778 (die_checksum): Likewise.
6779 (assign_symbol_names): Likewise.
6780 (output_location_lists): Likewise.
6781 (build_abbrev_table): Likewise.
6782 (calc_die_sizes): Likewise.
6783 (mark_dies): Likewise.
6784 (unmark_dies): Likewise.
6785 (unmark_all_dies): Likewise.
6786 (output_die): Likewise.
6787 (prune_unused_types_mark): Likewise.
6788 (prune_unused_types_walk): Likewise.
6789 (same_die_p): Update for change to die_struct.
6790 (break_out_includes): Likewise.
6791 (prune_unused_types_prune): Likewise.
6792 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6793 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6795 (dwarf2out_finish): Don't call reverse_all_dies.
6797 2006-04-21 Eric Christopher <echristo@apple.com>
6799 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6800 in comments and function names.
6802 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6805 * c-typeck.c (digest_init): Robustify.
6807 * c-typeck.c (pop_init_level): Simplify.
6809 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6811 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6813 2006-04-21 Paul Brook <paul@codesourcery.com>
6815 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6816 hardware floating point.
6818 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6820 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6823 2006-04-21 Nick Clifton <nickc@redhat.com>
6825 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6828 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6831 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6832 C++ lang type in traceback table for Objective-C++.
6834 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6836 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6838 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6840 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6843 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6844 were errors. Remove check for erroneous objects.
6846 2006-04-20 Jeff Law <law@redhat.com>
6848 PR tree-optimization/26854
6849 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6850 checking for zero or one use.
6851 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6852 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6853 * tree-ssa-reassoc.c (negate_value): Similarly.
6854 (reassociate_bb): Similarly.
6856 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6858 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6859 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6860 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6862 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6864 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6865 fp regs if the last fp arg doesn't fit in regs.
6867 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6870 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6871 that the last insn has the REG_INC note.
6873 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6874 Nathan Sidwell <nathan@codesourcery.com>
6877 * stor-layout.c (update_alignment_for_field): Do not align
6879 (place_union_field): Place union field at the start of the union.
6880 (place_field): Move ERROR_MARK check later, and use the current
6881 allocation position to maintain monotonicity.
6883 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6885 * dominance.c: Include timevar.h.
6886 (calculate_dominance_info): Use TV_DOMINANCE.
6887 * timevar.def (TV_DOMINANCE): New timevar.
6888 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6890 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6892 PR rtl-optimization/14261
6893 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6894 move would be an INSV insn.
6895 (noce_process_if_block): Don't optimize if the destination is a
6896 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6898 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6900 * config/s390/s390.md: Add comments with the instructions emitted
6901 by an insn pattern if macros are used.
6903 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6905 PR rtl-optimization/26026
6906 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6907 is a known power of two shifted left a variable amount.
6909 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6911 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6912 to hash table twice when the debug_str section has SECTION_MERGE.
6914 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6916 * config/soft-fp: New directory. From glibc.
6917 * config/soft-fp/t-softfp: New.
6918 * config/soft-fp/README: New.
6919 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6920 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6921 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6922 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6923 * config.gcc: Use rs6000/t-fprules-fpbit or
6924 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6926 * config/rs6000/sfp-machine.h: New. Based on glibc.
6927 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6929 * config/rs6000/t-fprules: Remove fp-bit rules.
6930 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6931 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6932 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6933 (softfp_wrap_start, softfp_wrap_end): New.
6935 2006-04-18 DJ Delorie <dj@redhat.com>
6937 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6939 2006-04-18 Devang Patel <dpatel@apple.com>
6941 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6943 2006-04-18 Nick Clifton <nickc@redhat.com>
6945 * config/sh/t-symbian: Add rule to build sh-c.o
6946 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6947 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6948 (sh_symbian_encode_section_info): Likewise.
6950 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6952 * builtins.c (expand_builtin_strcmp): Cover label definition of
6953 do_libcall with HAVE_cmpstrnsi.
6955 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6957 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6959 * function.h (temp_slot_p): New.
6960 (function): Change the type of x_used_temp_slots to
6961 VEC(temp_slot_p,gc) *.
6963 2006-04-18 Nick Clifton <nickc@redhat.com>
6965 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6966 flag_strength_reduce.
6968 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6970 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6974 Partial revert of revision 112637
6975 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6976 Dale Johannesen <dalej@apple.com>
6979 * regclass.c (struct reg_pref): Update documentation.
6980 (regclass): Set prefclass to NO_REGS if memory is the best option.
6981 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6983 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6985 PR tree-optimization/26821
6986 * tree-ssa-math-opts.c (get_constant_one): New.
6987 (insert_reciprocals): Use it.
6989 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6991 * dwarf2out.c (free_AT): Delete.
6992 (remove_AT): Update string ref counts.
6993 (remove_child_TAG): Don't call free_die.
6995 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6996 or DW_TAG_GNU_EINCL.
6997 (prune_unused_types_walk_attribs): Reset string refcounts.
6998 (prune_unused_types_update_strings): New.
6999 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7000 call free_die. Do call prune_unused_types_update_strings.
7001 (prune_unused_types): Empty debug_str_hash.
7003 2006-04-17 Roger Sayle <roger@eyesopen.com>
7005 * expr.c (expand_assignment): Optimize away no-op moves where the
7006 source and destination are equal and have no side-effects.
7008 2006-04-17 Richard Guenther <rguenther@suse.de>
7011 * reload.c (push_reload): Guard calls to get_secondary_mem
7014 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7016 * alias.c (reg_base_value, old_reg_base_value): Change the
7017 type to VEC(rtx,gc) *.
7018 (REG_BASE_VALUE, find_base_value, record_set,
7019 init_alias_analysis): Use VEC instead of VARRAY.
7021 * alias.c (alias_sets): Change the type to
7022 VEC(alias_set_entry,gc) *.
7023 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7024 VEC instead of VARRAY.
7025 (last_alias_set): Remove.
7027 * cgraph.h (cgraph_edge_p): New.
7028 Update the prototype of cgraph_function_versioning.
7029 * cgraphunit.c (cgraph_copy_node_for_versioning,
7030 cgraph_function_versioning): Use VEC instead of VARRAY.
7031 * ipa-cp.c (ipcp_insert_stage): Likewise.
7033 2006-04-16 Roger Sayle <roger@eyesopen.com>
7036 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7037 "A op B" or "A op C", we may need to convert A to the type of B and C.
7039 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7041 * target.h (struct gcc_target): Add mode_rep_extended.
7042 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7043 (init_num_sign_bit_copies_in_rep): Initialize it using
7045 (truncate_to_mode): Use it.
7046 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7047 * targhooks.h (default_mode_rep_extended): Declare it.
7048 * targhooks.c (default_mode_rep_extended): Define it.
7049 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7050 default_mode_rep_extended.
7051 (TARGET_INITIALIZER): Include it.
7052 * doc/tm.texi (Misc): Document it.
7053 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7054 (mips_truncated_to_mode): New function.
7056 2006-04-16 Roger Sayle <roger@eyesopen.com>
7059 * expr.c (compress_float_constant): Copy the narrow constant into
7060 a new pseudo before extending it to its final width.
7062 2006-04-16 Roger Sayle <roger@eyesopen.com>
7063 Andrew Pinski <pinskia@gcc.gnu.org>
7064 Dale Johannesen <dalej@apple.com>
7067 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7068 special case code to implement V8HImode and V16QImode with SSE2.
7070 2006-04-15 Roger Sayle <roger@eyesopen.com>
7072 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7073 trees are constructed with a suitable tree type.
7075 2006-04-15 Roger Sayle <roger@eyesopen.com>
7077 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7078 (integer_onep): Likewise.
7079 (integer_all_onesp): Likewise.
7080 (integer_pow2p): Likewise.
7081 (integer_nonzerop): Likewise.
7082 (real_zerop): Likewise.
7083 (real_onep): Likewise.
7084 (real_twop): Likewise.
7085 (real_minus_onep): Likewise.
7086 (int_size_in_bytes): Likewise.
7087 (host_integerp): Likewise.
7089 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7091 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7092 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7093 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7095 * tree-ssa-structalias.h (alias_info): Remove num_references.
7097 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7099 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7100 (output_bvb patterns): Likewise.
7101 * pa.c (output_bb): Use 'bb' insn for long branch case.
7102 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7103 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7104 1. Correct length operand for alternatives 1 and 2.
7105 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7106 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7108 2006-04-14 Roger Sayle <roger@eyesopen.com>
7110 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7111 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7112 were accidentally reverted by r112959.
7114 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7117 * except.h (eh_region_outermost): New prototype.
7118 * except.c (eh_region_outermost): New function.
7119 * tree-cfg.c (find_outermost_region_in_block): Use it.
7121 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7123 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7125 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7126 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7127 (init_reload, reload): Use VEC instead of VARRAY.
7128 * reload.h: Update the prototype for
7129 reg_equiv_memory_loc_varray.
7131 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7132 Eric Botcazou <ebotcazou@libertysurf.fr>
7134 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7137 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7140 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7141 to expand fallback builtin function call.
7143 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7146 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7147 and emit libcall here in case the builtin fails.
7148 (expand_builtin_strcmp): Always emit the libcall here on failure.
7150 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7152 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7153 * flow.c (reg_n_info): Change the type to
7154 VEC(reg_info_p,heap) *.
7155 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7157 * regs.h (reg_info_p): New.
7158 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7159 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7160 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7163 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7165 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7167 * params.h (MAX_SCHED_READY_INSNS): New macro.
7168 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7169 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7170 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7171 the ready list for 1 cycle during the first scheduling pass.
7172 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7174 2006-04-13 Richard Henderson <rth@redhat.com>
7177 * gimple-low.c (lower_omp_directive): Remove dead code.
7178 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7179 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7180 * omp-low.c (struct omp_region): Move to tree-flow.h.
7181 (root_omp_region): Export.
7182 (omp_regions, lookup_omp_region): Remove.
7183 (determine_parallel_type): Update for struct omp_region changes.
7184 (dump_omp_region): Dump regions with block numbers.
7185 (new_omp_region): Take type and block instead of stmt; malloc
7187 (free_omp_region_1, free_omp_regions): New.
7188 (expand_parallel_call): Take entry_stmt as argument; update for
7189 changes to omp_region.
7190 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7191 (remove_exit_barriers): New.
7192 (expand_omp_parallel): Update for struct omp_region changes.
7193 (expand_omp_synch): Likewise.
7194 (expand_omp): Likewise.
7195 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7196 (expand_omp_for_static_chunk): Likewise.
7197 (expand_omp_for): Likewise.
7198 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7199 (expand_omp_sections): Similarly, with GOMP_sections_end.
7200 (expand_omp_single): New.
7201 (build_omp_regions_1): Update for OMP_CONTINUE.
7202 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7203 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7204 OMP_SECTIONS_SECTIONS.
7205 (lower_omp_single_simple): Don't emit barrier here.
7206 (lower_omp_single_copy): Likewise.
7207 (lower_omp_single): Fix bindings, and lower to straightline now.
7208 (lower_omp_master, lower_omp_ordered): Likewise.
7209 (lower_omp_critical): Likewise.
7210 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7211 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7212 omp edges, free it afterward.
7213 (make_omp_sections_edges): Remove.
7214 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7215 (move_stmt_r): Handle OMP_CONTINUE.
7216 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7217 statement pointers to basic blocks. Add type member.
7218 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7219 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7220 * tree-inline.c (estimate_num_insns_1): Likewise.
7221 * tree-pretty-print.c (dump_generic_node): Likewise.
7222 * tree-ssa-operands.c (get_expr_operands): Likewise.
7223 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7224 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7225 (OMP_CONTINUE): New.
7226 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7227 (OMP_SECTIONS_SECTIONS): Remove.
7228 (OMP_SECTION_LAST): New.
7229 (OMP_RETURN_NOWAIT): New.
7231 2006-04-13 Roger Sayle <roger@eyesopen.com>
7233 * fold-const.c (native_encode_vector, native_interpret_real):
7234 Correct obvious mistakes in the previous check-in.
7236 2006-04-13 Roger Sayle <roger@eyesopen.com>
7238 * fold-const.c (native_encode_expr): New function to encode
7239 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7240 or VECTOR_CST into a specified buffer.
7241 (native_encode_int): New function.
7242 (native_encode_real): New function.
7243 (native_encode_complex): New function.
7244 (native_encode_vector): New function.
7245 (native_interpret_expr): Inverse of native_encode_expr to convert
7246 a target representation into an INTEGER_CST, REAL_CST etc...
7247 (native_interpret_int): New function.
7248 (native_interpret_real): New function.
7249 (native_interpret_complex): New function.
7250 (native_interpret_vector): New function.
7251 (fold_view_convert_expr): New function to constant fold/evaluate
7252 a VIEW_CONVERT_EXPR of a suitable constant expression.
7253 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7254 Change call of build1 to fold_build1 when constructing a
7257 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7258 Ulrich Weigand <uweigand@de.ibm.com>
7261 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7264 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7267 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7268 optimize to lo_sum for DFmode if !TARGET_FPRS.
7270 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7272 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7273 delete_alias_info, compute_flow_sensitive_aliasing,
7274 group_aliases): Use VEC instead of VARRAY.
7275 * tree-ssa-structalias.c (update_alias_info): Likewise.
7276 * tree-ssa-structalias.h (alias_info): Change the type of
7277 processed_ptrs to VEC(tree,heap) *.
7279 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7282 * config/sh/lib1funcs.h: New file, broken out of:
7283 * config/sh/lib1funcs.asm.
7284 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7286 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7287 * config/sh/lib1funcs-Os-4-200.asm: New file.
7288 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7289 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7290 (EXTRA_MULTILIB_PARTS): Include it.
7291 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7292 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7293 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7294 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7297 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7299 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7300 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7301 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7303 * tree-ssa-live.h: Include vecprim.h.
7304 (tree_partition_associator_d): Change the type of
7305 first_partition to VEC(int,heap) *.
7306 (tpa_first_partition): Use VEC instead of VARRAY.
7308 * Makefile.in (GTFILES): Move functions.h after tree.h.
7309 * function.c (reset_block_changes, record_block_change,
7310 check_block_change, free_block_changes): Use VEC instead of
7312 * function.h (function): Change the type of
7313 ib_boundaries_block to VEC(tree,gc) *.
7314 * tree-inline.c (copy_cfg_body): Initialize
7315 ib_boundaries_block to NULL instead of (varray_type) 0.
7317 2006-04-12 Roger Sayle <roger@eyesopen.com>
7319 * expr.c (emit_group_store): Correct operand order in call to
7320 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7321 a SUBREG_BYTE of zero.
7323 2006-04-12 Richard Guenther <rguenther@suse.de>
7325 * profile.c (compute_branch_probabilities): Remove code
7326 encapsulated in !ir_type (), which are remanents of the
7327 removed RTL profiling code.
7328 * rtl-profile.c: Remove.
7330 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7332 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7333 magic NULL_RTX comment.
7334 (function_arg): Store entire fp arg to mem if any part should go
7336 (rs6000_arg_partial_bytes): Adjust for above change.
7338 2006-04-11 Roger Sayle <roger@eyesopen.com>
7340 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7341 if it hasn't been initialized by dwarf2out_init.
7343 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7345 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7346 symbolic constants in branch patterns.
7348 2006-04-11 Roger Sayle <roger@eyesopen.com>
7350 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7352 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7354 PR rtl-optimization/27073
7355 * gcse.c (try_replace_reg): Revert last change. Continue to search
7356 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7359 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7361 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7362 aggregate types other than record and union types.
7363 (function_arg): Likewise.
7364 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7366 (function_value): In 64-bit mode, return objects that require it
7369 2006-04-11 Roger Sayle <roger@eyesopen.com>
7371 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7373 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7375 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7377 2006-04-03 Jeff Law <law@redhat.com>
7380 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7381 alias information too.
7383 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7385 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7387 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7390 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7391 (premark_used_types_helper): New.
7392 (premark_used_types): New.
7393 (gen_subprogram_die): Call premark_used_types.
7394 (prune_unused_types_walk): Do not prune perennial dies.
7395 * function.c (used_types_insert): New.
7396 * function.h (struct function): Add used_types_hash field.
7397 (used_types_insert): Add prototype.
7398 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7399 * c-parser.c (c_parser_cast_expression): Save casted types in used
7402 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7405 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7406 rs6000_explicit_options.float_gprs.
7408 2006-04-10 Roger Sayle <roger@eyesopen.com>
7410 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7411 from ix86_expand_vector_init_low_nonzero. Take an additional
7412 one_var argument indicating which element is non-zero. Support
7413 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7414 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7415 with one_var instead of ix86_expand_vector_init_low_nonzero.
7417 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7419 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7420 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7421 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7422 build/genextract.o): Depend on vecprim.h.
7423 * cfglayout.c, df-problems.c, function.c, genextract.c,
7424 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7425 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7429 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7431 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7432 Declare VECs of this type.
7433 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7434 (remove_children): Delete.
7435 (add_dwarf_attr): Use VEC routines.
7436 (add_AT_flag): Update for changes to add_dwarf_attr.
7437 (add_AT_int): Likewise.
7438 (add_AT_unsigned): Likewise.
7439 (add_AT_long_long): Likewise.
7440 (add_AT_vec): Likewise.
7441 (add_AT_string): Likewise.
7442 (add_AT_die_ref): Likewise.
7443 (add_AT_fde_ref): Likewise.
7444 (add_AT_loc): Likewise.
7445 (add_AT_loc_list): Likewise.
7446 (add_AT_addr): Likewise.
7447 (add_AT_lbl_id): Likewise.
7448 (add_AT_lineptr): Likewise.
7449 (add_AT_macptr): Likewise.
7450 (add_AT_offset): Likewise.
7451 (add_AT_range_list): Likewise.
7452 (get_AT): Use VEC_iterate.
7453 (remove_AT): Use VEC_ordered_remove.
7454 (free_die): Fold remove_children into here; have it use VEC_iterate.
7455 (print_die): Use VEC_iterate on attrs.
7456 (reverse_die_lists): Don't reverse attr lists.
7457 (die_checksum): Use VEC_iterate on attrs.
7458 (same_die_p): Likewise.
7459 (output_location_lists): Likewise.
7460 (build_abbrev_table): Likewise.
7461 (size_of_die): Likewise.
7462 (unmark_all_dies): Likewise.
7463 (output_abbrev_section): Likewise.
7464 (output_die): Likewise.
7465 (prune_unused_types_walk_attribs): Likewise.
7467 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7469 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7471 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7474 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7476 2006-04-09 Roger Sayle <roger@eyesopen.com>
7478 * expr.c (store_constructor): Don't bother clearing target if
7479 we're about to assign a vector to it using vec_init_optab.
7481 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7483 * tree-ssa-alias.c (lhs_may_store_to): New function.
7484 (recalculate_used_alone): Handle LHS of calls.
7486 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7490 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7491 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7492 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7493 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7494 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7495 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7496 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7497 stubs. Add ".align 8" directives before all ".dword" directives.
7498 (GTHREAD_USE_WEAK): Revise comment.
7499 (TARGET_ATTRIBUTE_WEAK): Define.
7500 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7501 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7502 * stublib.c: New file.
7507 * pa.md (cbranch patterns): Revise arguments used in calls to
7508 output_cbranch, output_bb and output_bvd. Add long branch length
7510 (fbranch patterns): Handle long branches.
7511 (jump): Revise length check. Revise arguments for output_lbranch call.
7512 Add long branch length attributes.
7513 (decrement_and_branch_until_zero): Add long branch length attributes.
7514 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7515 Likewise. Revise arguments for output_parallel_addb and
7516 output_parallel_movb calls.
7517 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7518 output_parallel_movb and output_parallel_addb): Update prototypes.
7519 * pa.c (output_cbranch): Revise arguments. Correct handling of
7520 nullification in long branches.
7521 (output_lbranch): Add new argument to control extraction of delay
7523 (output_bb): Handle long branches.
7524 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7525 output_parallel_addb): Likewise.
7527 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7529 PR rtl-optimization/27073
7530 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7533 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7535 * tree.h (tree_memory_tag): Add old_used_alone.
7536 (SMT_OLD_USED_ALONE): New macro.
7537 * tree-ssa-alias.c (recalculate_used_alone): Stop
7538 marking things for renaming unnecessarily.
7540 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7542 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7543 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7544 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7545 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7546 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7547 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7548 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7549 spelling convensions.
7550 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7551 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7552 typos. Follow spelling conventions.
7554 2006-04-07 DJ Delorie <dj@redhat.com>
7556 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7557 passed on the stack.
7558 (m32c_init_cumulative_args): When a function returns a structure,
7559 always pass the pointer to that return area on the stack.
7560 (m32c_function_arg_advance): Don't increment the parameter number
7561 if we're processing the returned structure pointer.
7562 (pushm_info): Reverse order of registers.
7564 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7566 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7567 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7568 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7569 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7571 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7572 chrec_fold_multiply): Same.
7573 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7574 force_expr_to_var_cost): Same.
7575 * tree-mudflap.c (mf_xform_derefs_1): Same.
7576 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7578 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7580 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7581 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7584 2006-04-07 Jan Hubicka <jh@suse.cz>
7586 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7588 2006-04-07 Richard Guenther <rguenther@suse.de>
7590 PR tree-optimization/26135
7591 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7592 loads for store copy-prop.
7593 (copy_prop_visit_stmt): Likewise.
7595 2006-04-05 Robert Millan <robertmh@gnu.org>
7597 * config/i386/linux.h: Add a comment to mark macros that are
7598 being overriden in config/k*bsd-gnu.h.
7599 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7601 * config/knetbsd-gnu.h: Ditto.
7603 2006-04-06 Jan Hubicka <jh@suse.cz>
7607 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7610 2006-04-06 Mike Stump <mrs@apple.com>
7612 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7613 for HAVE_nonlocal_goto to be consistent.
7614 (expand_builtin_nonlocal_goto): Likewise.
7615 (expand_builtin_strcmp): Use #ifdef instead of #if
7616 for HAVE_cmpstrnsi to be consistent.
7618 2006-04-05 DJ Delorie <dj@redhat.com>
7620 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7623 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7625 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7626 got-relative addressing for anything but SImode.
7628 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7629 even if the calling function doesn't modify them.
7631 2006-04-05 Richard Guenther <rguenther@suse.de>
7633 PR tree-optimization/26919
7634 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7635 to cgraph_estimate_size_after_inlining.
7637 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7639 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7641 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7643 PR tree-optimization/26996
7644 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7645 VECTOR_TYPE variables.
7647 2006-04-05 Richard Guenther <rguenther@suse.de>
7649 PR tree-optimization/26763
7650 * fold-const.c (fold_comparison): Move folding of
7651 PTR + CST CMP PTR + CST ...
7652 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7654 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7656 * doc/install.texi (Prerequisites): Refine some wording on
7657 bootstrapping and ksh.
7658 Move the version numbers of DejaGnu here from the testing section
7659 and fix casing of names.
7660 Fix markup and clarify wording for autogen requirements.
7661 Refer to GCJ instead of just java.
7662 Refer to SVN instead of CVS.
7663 Describe diffutils as useful instead of necessary.
7664 (Downloading the source): Refer to SVN instead of CVS.
7665 Adjust a link to our web site accordingly.
7666 (Configuration): Fix casing of Bison.
7667 (Building): Refer to SVN instead of CVS.
7668 Fix a sentence on the use of Bison and remove duplicate (and
7669 incorrect) version number of Bison requirement.
7670 Remove one redundant list of packages needed for building.
7671 (Specific): Avoid reference to CVS.
7673 2006-04-04 Eric Christopher <echristo@apple.com>
7675 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7676 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7677 (rs6000_handle_struct_attribute): New.
7678 (rs6000_ms_bitfield_layout_p): Ditto.
7680 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7682 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7683 NULL for dso parameter to atexit_common.
7685 2006-04-04 Eric Christopher <echristo@apple.com>
7687 * config/i386/i386.c (machopic_output_stub): Output \t
7688 between instructions and operands.
7690 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7692 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7693 satisfies_constraint_[IL] to explicit tests on value.
7695 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7697 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7698 set_nb_iterations_in_loop): Use build_int_cst instead of
7700 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7701 build_int_cst instead of convert.
7703 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7705 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7706 new value 2 for incoming.
7707 * function.c (expand_function_start): Call struct_value_rtx
7709 * config/sparc/sparc.md: Comment updated_return.
7710 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7711 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7712 struct return if sparc_std_struct_return and incoming is 2.
7713 (print_operand): Do not adjust return if
7714 sparc_std_struct_return.
7716 2006-04-04 Roger Sayle <roger@eyesopen.com>
7718 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7719 convert in the middle-end.
7720 * expr.c (store_expr, store_constructor, get_inner_reference,
7721 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7723 * tree.c (build_range_type): Likewise.
7725 2006-04-04 Tom Tromey <tromey@redhat.com>
7727 * doc/install.texi (Prerequisites): Mention jar.
7729 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7731 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7734 2006-04-04 Matthias Klose <doko@debian.org>
7736 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7740 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7743 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7745 * doc/extend.texi (Function Attributes): Rewrite visibility
7746 attribute documentation.
7747 * doc/invoke.texi (C++ Dialect Options): Rewrite
7748 -fvisibility-inlines-hidden documentation to describe something
7749 entirely different, although in practise compatible.
7750 (Code Gen Options): Warn about system headers in -fvisibility=
7753 * doc/extend.texi (Other Builtins): Document that
7754 __builtin_nan is a compile-time constant only when its argument
7757 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7759 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7760 trying to remove TRUNCATE check if all bits outside the new mode
7761 are identical to the sign bit.
7763 2006-04-03 Jeff Law <law@redhat.com>
7765 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7766 and operand scanning in some common cases.
7768 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7769 Dale Johannesen <dalej@apple.com>
7772 * regclass.c (struct reg_pref): Update documentation.
7773 (regclass): Set prefclass to NO_REGS if memory is the best option.
7774 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7775 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7776 into account. For non-registers, equate an empty preferred
7777 reload class to a `!' in the constraint; move the if clause to
7778 do so after those that reject the insn.
7779 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7781 (find_dummy_reload): Likewise.
7782 * doc/tm.texi (Register Classes): Document what it means
7783 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7784 * config/i386/i386.c (ix86_preferred_reload_class): Force
7785 using SSE registers (and return NO_REGS for floating-point
7786 constants) if math is done with SSE.
7787 (ix86_preferred_output_reload_class): New.
7788 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7789 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7790 * config/i386/i386.md: Remove # register preferences.
7792 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7795 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7796 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7797 the type of nb_iter.
7798 (instantiate_parameters_1): Convert the operands before calling
7799 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7800 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7802 2006-04-02 Roger Sayle <roger@eyesopen.com>
7804 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7805 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7807 * dojump.c (do_jump): Likewise.
7808 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7809 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7810 gimplify_boolean_expr): Likewise.
7811 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7812 * varasm.c (array_size_for_constructor): Likewise.
7813 * tree-object-size.c (compute_object_offset): Likewise.
7815 2006-04-02 Roger Sayle <roger@eyesopen.com>
7818 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7819 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7821 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7823 PR tree-optimization/26939
7824 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7826 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7828 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7829 at_stmt. Convert the type of operands before calling
7830 build_polynomial_chrec.
7831 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7833 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7834 (instantiate_parameters_1): Convert the type of operands before calling
7835 build_polynomial_chrec.
7836 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7837 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7838 reset_evolution_in_loop): Insert asserts to check the types of the
7840 (chrec_type): Moved...
7841 (eq_evolutions_p): Use operand_equal_p.
7842 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7843 the types of the operands.
7844 (chrec_type): ...here.
7845 * tree-data-ref.c (create_data_ref): Convert the operands before
7846 calling chrec_replace_initial_condition.
7847 (same_access_functions, analyze_subscript_affine_affine,
7848 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7849 (compute_subscript_distance, analyze_ziv_subscript,
7850 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7851 analyze_miv_subscript): Convert the operands before calling
7852 chrec_fold_minus or chrec_fold_plus.
7854 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7856 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7857 the dependence_relations vector.
7858 (compute_data_dependences_for_loop): Adjust call to
7859 compute_all_dependences.
7861 2006-04-01 Roger Sayle <roger@eyesopen.com>
7862 Richard Henderson <rth@redhat.com>
7864 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7865 gimple_boolify on the condition before calling gimplify_expr.
7867 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7869 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7870 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7871 the frame size. Update to use the new macros.
7872 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7873 * config/xtensa/ieee754-df.S: Likewise.
7875 2006-03-31 Richard Henderson <rth@redhat.com>
7877 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7878 (make_edges): ... here. Control fallthru creation with a local
7879 variable. Do not play with fake edges.
7880 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7881 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7884 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7886 * dwarf2.h (DW64_CIE_ID): Define.
7887 * dwarf2out.c (DWARF_CIE_ID): Define.
7888 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7889 length header. Use DWARF_CIE_ID.
7890 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7891 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7893 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7895 * config/sh/linux-atomic.asm: New file.
7896 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7898 2006-03-31 DJ Delorie <dj@redhat.com>
7900 * config/m32c/cond.md: Set condition flags properly throughout.
7901 * config/m32c/minmax.md: Likewise.
7902 * config/m32c/prologue.md: Likewise.
7903 * config/m32c/bitops.md: Likewise.
7904 * config/m32c/muldiv.md: Likewise.
7905 * config/m32c/mov.md: Likewise.
7906 * config/m32c/addsub.md: Likewise.
7907 * config/m32c/m32c.md: Likewise.
7908 * config/m32c/jump.md: Likewise.
7909 * config/m32c/shift.md: Likewise.
7911 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7912 conditionally output the pattern for this.
7913 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7914 (m32c_compare_redundant): New.
7915 (m32c_output_compare): New.
7916 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7918 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7919 dest, not src. Allow other 4-byte modes.
7921 2006-03-30 Denis Chertykov <denisc@overta.ru>
7923 * doc/md.texi: Refer to avr/constraints.md instead of
7926 2006-03-30 Roger Sayle <roger@eyesopen.com>
7928 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7929 signed vs. unsigned comparison failures on some hosts.
7931 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7934 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7935 change to FLOAT_REGS.
7937 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7938 (rs6000_override_options): Use it.
7939 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7940 only for -mabi=spe/no-spe and -mabi=altivec.
7942 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7944 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7947 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7949 * Makefile.in: Rename docdir to gcc_docdir.
7951 2006-03-30 Roger Sayle <roger@eyesopen.com>
7954 * expr.c (emit_group_store): Optimize group stores into a pseudo
7955 register by using a paradoxical subreg to initialize the destination
7956 if the first or last member of the group specifies a "low part".
7958 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7961 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7962 * target.h (struct gcc_target.speculate_insn): Change type of the
7963 second parameter to 'int'.
7964 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7965 the second operand of the DEPS_LIST.
7966 (copy_DEPS_LIST_list): Update reference to the second operand of the
7968 * rtl.h (alloc_DEPS_LIST): Update signature.
7969 * sched-int.h (ds_t): Change typedef to 'int'.
7970 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7972 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7974 * haifa-sched.c (try_ready): Change condition to restore
7975 non-speculative pattern of the instruction.
7976 (process_insn_depend_be_in_spec): Code to keep probability of the
7977 speculative dependence non-decreasing.
7979 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7981 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7982 (single_move_for_movmem): ... this. Also change all uses.
7983 (bfin_expand_strmov): Renamed to...
7984 (bfin_expand_movmem): ... this. Also change all uses.
7985 * config/bfin/bfin.md (movstrsi): Renamed to...
7986 (movstrsi): ...this.
7988 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7990 PR tree-optimization/26830
7992 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7993 (copy_prop_visit_stmt): Remove write-only variable ann.
7994 (init_copy_prop): Check variable loop depth here. Do not simulate
7995 memory-tag and virtual operand PHIs except for store copy prop.
7997 2006-03-30 Richard Guenther <rguenther@suse.de>
7999 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8000 variants with double arguments.
8002 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8004 * genpreds.c (write_tm_constrs_h): Delete variable p.
8005 * genconditions.c (write_header): Add tm-constrs.h to included
8007 * genpeep.c (main): Add toplev.h to included headers.
8008 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8009 (build/genpeep.o): Add toplev.h dependency.
8010 * config/rs6000/constraints.md: Add "W" constraint.
8012 2006-03-29 Roger Sayle <roger@eyesopen.com>
8014 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8015 sizes by correctly testing whether the size fits a host integer.
8016 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8017 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8018 SImode range for the default sizetype and bitsizetype.
8020 2006-03-29 Roger Sayle <roger@eyesopen.com>
8022 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8023 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8024 quickly if the argument is already of the correct type.
8025 Call fold_build1 instead of build1. Tidy up blank lines.
8027 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8029 * genemit.c (main): Add tm-constrs.h to included headers.
8030 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8031 * genpeep.c (main): Add tm-constrs.h to included headers.
8032 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8033 (write_tm_constrs_h): this and write complete file.
8034 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8035 (write_insn_preds_c): Add tm-constrs.h to included headers.
8036 (gen_constrs): New variable.
8037 (parse_option): Parse "-c".
8038 (main): Invoke write_tm_constrs_h.
8039 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8040 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8041 (object_out_file): Add tm-constrs.h dependency.
8042 (insn-emit.o): Same.
8043 (insn-output.o): Same.
8044 (insn-peep.o): Same.
8045 (insn-preds.o): Same.
8046 (insn-recog.o): Same.
8047 (tm-constsr.h): New target.
8048 (s-constrs-h): New target.
8050 * config/rs6000/constraints.md: New file.
8051 * config/rs6000/rs6000.c: Include tm-constrs.h.
8052 (num_insn_constant_wide): Convert to satisfies_constraint.
8053 (rs6000_rtx_costs): Convert to satisfies_constraint.
8054 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8055 (CONST_OK_FOR_LETTER_P): Delete.
8056 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8057 (EXTRA_CONSTRAINT): Delete.
8058 (EXTRA_MEMORY_CONSTRAINT): Delete.
8059 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8060 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8061 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8062 satisfies_constraint.
8064 * config/i386/i386.c: Include tm-constrs.h.
8066 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8068 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8069 * tree-data-ref.c (find_data_references_in_loop,
8070 compute_data_dependences_for_loop): Use pointers to VEC.
8071 (analyze_all_data_dependences): Adjust calls.
8072 * tree-data-ref.h (find_data_references_in_loop,
8073 compute_data_dependences_for_loop): Adjust declarations.
8074 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8075 compute_data_dependences_for_loop.
8077 2006-03-29 Paul Brook <paul@codesourcery.com>
8079 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8082 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8084 PR tree-optimization/26859
8085 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8087 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8088 for the step after fold_convert.
8090 2006-03-29 Paul Brook <paul@codesourcery.com>
8092 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8093 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8095 2006-03-29 Paul Brook <paul@codesourcery.com>
8098 * targhooks.c (default_narrow_bitfield): New fuction.
8099 * targhooks.h (default_narrow_bitfield): add prototype.
8100 * target.h (gcc_target): Add narrow_volatile_bitfield.
8101 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8102 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8103 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8104 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8106 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8108 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8110 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8111 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8112 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8113 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8114 (s390_function_arg_float): Allow SDmode and DDmode values to be
8115 passed in floating point registers.
8116 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8117 check with SCALAR_FLOAT_MODE_P.
8118 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8120 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8122 PR tree-optimization/25985
8123 * tree-ssa-loop-niter.c (number_of_iterations_le,
8124 number_of_iterations_ne): Make comments more precise.
8125 (number_of_iterations_cond): Add only_exit argument. Use the
8126 fact that signed variables do not overflow only when only_exit
8128 (loop_only_exit_p): New.
8129 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8130 number_of_iterations_cond.
8132 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8134 PR tree-optimization/26643
8135 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8138 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8140 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8141 (divsi3_i4_int): Likewise.
8143 2006-03-28 Roger Sayle <roger@eyesopen.com>
8145 * expr.c (emit_group_store): Only create a new pseudo reg if the
8146 quantity it needs to hold isn't already a suitable pseudo.
8148 2006-03-28 Jeff Law <law@redhat.com>
8150 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8151 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8153 2006-03-28 Roger Sayle <roger@eyesopen.com>
8155 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8156 the equivalent ~X & Y, and the symmetry related transformations.
8157 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8158 ~X & Y, and symmetry related transforms.
8160 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8162 Revert my 2006-03-27 patches.
8164 2006-03-28 Roger Sayle <roger@eyesopen.com>
8166 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8167 ~(T1)X, when T1 and T2 are integer types of the same precision
8168 and (T2)X isn't an extension.
8170 2006-03-28 Jeff Law <law@redhat.com>
8172 PR tree-optimization/26796
8173 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8174 need EH edge cleanups rather than purging them immediately.
8175 (eliminate_degenerate_phis): Handle queued EH cleanups.
8177 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8179 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8182 2006-03-27 Roger Sayle <roger@eyesopen.com>
8185 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8186 cast BIT_NOT_EXPR operand to the correct type.
8188 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8190 * tree-loop-linear.c: Don't include varray.h.
8191 (gather_interchange_stats, try_interchange_loops,
8192 linear_transform_loops): Use VEC instead of VARRAY.
8193 * lambda-mat.c: Don't include varray.h.
8194 * tree-chrec.c: Same.
8195 * lambda-trans.c: Same.
8196 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8197 VEC instead of VARRAY.
8198 * tree-vectorizer.h: Idem.
8199 * tree-data-ref.c (dump_data_references,
8200 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8201 initialize_data_dependence_relation, finalize_ddr_dependent,
8202 compute_all_dependences, find_data_references_in_loop,
8203 compute_data_dependences_for_loop, analyze_all_data_dependences,
8204 free_dependence_relation, free_dependence_relations,
8205 free_data_refs): Idem.
8206 * tree-data-ref.h (data_reference_p, subscript_p): New.
8207 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8208 VEC instead of VARRAY.
8209 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8210 (find_data_references_in_loop, compute_data_dependences_for_loop,
8211 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8212 dump_data_dependence_relations, free_dependence_relations,
8213 free_data_refs): Adjust declaration.
8214 (lambda_transform_legal_p): Move declaration here...
8215 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8216 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8217 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8218 vect_analyze_data_refs): Use VEC instead of VARRAY.
8219 * lambda.h (lambda_transform_legal_p): ...from here.
8220 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8221 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8222 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8223 tree-chrec.o): Don't depend on VARRAY_H.
8225 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8227 * rtl.def (Copyright): Update date.
8228 (DEPS_LIST): Change type of the second operand to 'int'.
8229 * target.h (Copyright): Update date.
8230 (struct gcc_target.speculate_insn): Change type of the second parameter
8232 * lists.c (Copyright): Update date.
8233 (alloc_DEPS_LIST): Change signature. Update reference to the second
8234 operand of the DEPS_LIST.
8235 (copy_DEPS_LIST_list): Update reference to the second operand of the
8237 * rtl.h (Copyright): Update date.
8238 (alloc_DEPS_LIST): Update signature.
8239 * sched-int.h (Copyright): Update date.
8240 (ds_t): Change typedef to 'int'.
8241 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8243 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8245 * haifa-sched.c (Copyright): Update date.
8246 (try_ready): Change condition to restore non-speculative pattern
8248 (process_insn_depend_be_in_spec): Code to keep probability of the
8249 speculative dependence non-decreasing.
8251 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8253 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8254 shut up the compiler.
8256 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8258 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8259 to use lib prefix for target.
8260 ($(T)libic_invalidate_array_4-200.a): Likewise.
8261 ($(T)libic_invalidate_array_4a.a): Likewise.
8263 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8264 J"orn Rennecke <joern.rennecke@st.com>
8266 * superh.opt: New file.
8267 * sh.c (boardtype, osruntime): Remove.
8268 * superh.h (SUBTARGET_OPTIONS): Remove.
8269 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8271 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8272 arguments with ^ and/or [].
8274 * config.gcc (sh-*-*): Add quoting to account for quirk of
8276 Replace == with = in enable_incomplete_targets test.
8278 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8279 with MASK_LITTLE_ENDIAN.
8281 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8282 * config/sh/sh.opt: Added to some comments.
8283 * config/sh/superh.h: Removed some chaff.
8285 * config/sh/sh.opt: Add m4-[1234]00* options.
8286 * config/sh/sh.c (sh_handle_option): Likewise.
8287 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8288 (ic_invalidate_array_4-100.o): New rule.
8289 ($(T)libic_invalidate_array_4-100.a): Likewise.
8290 (ic_invalidate_array_4-200.o): Likewise.
8291 ($(T)libic_invalidate_array_4-200.a): Likewise.
8292 (ic_invalidate_array_4a.o): Likewise.
8293 ($(T)libic_invalidate_array_4a.a): Likewise.
8294 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8295 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8297 * config/sh/crt1.asm: Merged in profiling code.
8298 * config/sh/superh.h (STARTFILE_SPEC): Override.
8299 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8300 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8301 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8303 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8304 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8305 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8307 * sh.opt (mpretend-cmove): New option.
8308 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8309 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8310 (movsicc): Add TARGET_PRETEND_CMOVE code.
8312 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8314 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8315 s390_class_max_nregs): New function prototypes.
8316 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8317 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8318 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8319 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8321 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8323 * dwarf2out.c (add_location_or_const_value_attribute): Call
8324 tree_add_const_value_attribute if nothing else works.
8325 (reference_to_unused): New.
8326 (rtl_for_decl_init): Use reference_to_unused to decide whether
8327 to output an initializer.
8329 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8332 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8333 peephole removing spe frob_di_df_2.
8335 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8337 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8338 (subscript_dependence_tester_1): Declared.
8339 (print_dir_vectors, print_dist_vectors): New.
8340 (debug_data_dependence_relation): New.
8341 (dump_data_dependence_relation): Print more details.
8342 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8343 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8344 (save_dist_v, save_dir_v, add_outer_distances,
8345 build_classic_dist_vector_1): New.
8346 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8347 Don't test for lambda_vector_lexico_pos.
8348 (same_access_functions, add_multivariate_self_dist,
8349 add_other_self_distances, dir_from_dist): New.
8350 (build_classic_dir_vector): Replace implementation almost identical to
8351 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8353 (subscript_dependence_tester_1): New.
8354 (subscript_dependence_tester): Handle the lexicographically negative
8355 distance vectors by recomputing the dependence relation.
8356 (compute_affine_dependence): Remove parameter loop_nest_depth.
8357 (compute_self_dependence): Don't call compute_subscript_distance.
8358 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8359 Add a parameter for the loop_nest.
8360 (find_loop_nest_1, find_loop_nest): New.
8361 (compute_data_dependences_for_loop): Compute the loop nest, and give
8362 up if the nest is not well formed.
8363 * tree-data-ref.h (loop_p): New.
8364 (struct data_dependence_relation): Replace size_vect field with
8365 loop_nest, a vec of loops.
8366 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8367 (DDR_LOOP_NEST): New.
8368 (print_dir_vectors, print_dist_vectors,
8369 debug_data_dependence_relation): Declared.
8370 (index_in_loop_nest): New.
8371 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8372 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8375 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8377 * simplify-rtx.c (simplify_relational_operation): Call
8378 simplify_relational_operation_1 even if mode is VOIDmode.
8380 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8382 PR tree-optimization/26804
8383 * tree.h (DECL_CALL_CLOBBERED): New macro.
8384 (tree_decl_common): Add call_clobbered_flag.
8385 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8386 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8387 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8388 (mark_non_addressable): Ditto.
8389 * tree-ssa.c (verify_call_clobbered): New function.
8390 (verify_alias_info): Use it.
8391 * tree-pass.h (pass_reset_cc_flags): New prototype.
8392 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8393 (reset_cc_flags): New function.
8394 * passes.c (init_optimization_passes): Call reset_cc_flags after
8395 initializing referenced_vars.
8397 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8398 Roger Sayle <roger@eyesopen.com>
8401 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8402 to 1.0 for non-real operands. Implement A / A optimization for
8405 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8407 * config/i386/i386.c (size_cost): Correct the comment for
8408 cost of storing fp registers.
8409 (i386_cost): Likewise.
8410 (i486_cost): Likewise.
8411 (pentium_cost): Likewise.
8412 (pentiumpro_cost): Likewise.
8413 (k6_cost): Likewise.
8414 (athlon_cost): Likewise.
8415 (k8_cost): Likewise.
8416 (pentium4_cost): Likewise.
8417 (nocona_cost): Likewise.
8418 (generic64_cost): Likewise.
8419 (generic32_cost): Likewise.
8421 2006-03-24 Denis Chertykov <denisc@overta.ru>
8423 * config/avr/avr-protos.h (extra_constraint): Delete.
8424 (extra_constraint_Q): New declaration.
8425 * config/avr/constraints.md: New file.
8426 * config/avr/avr.md: Include it.
8427 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8428 (TMP_REGNO, ZERO_REGNO): Likewise.
8429 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8430 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8431 (extra_constraint): Delete.
8432 (extra_constraint_Q): Test for memory constraint 'Q'.
8433 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8434 (REG_CLASS_FROM_LETTER): Delete.
8435 (CONST_OK_FOR_LETTER_P): Delete.
8436 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8437 (EXTRA_CONSTRAINT): Delete.
8438 (TMP_REGNO): Delete.
8439 (ZERO_REGNO): Delete.
8441 2006-03-24 Jeff Law <law@redhat.com>
8443 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8444 directly. Call mark_new_vars_to_rename slightly earlier.
8446 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8448 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8450 (gen_compile_unit_die): Use new language types for Objective-C and
8452 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8453 DW_LANG_C_plus_plus.
8456 * config/t-darwin (crt3.o): Work around bug 26840.
8457 * config/darwin-crt3.c: Rewrite.
8458 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8460 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8462 * doc/invoke.texi: Document -femit-class-debug-always
8463 * common.opt: Add -femit-class-debug-always.
8465 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8467 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8468 index and base register.
8469 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8470 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8471 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8472 REGNO_OK_FOR_INDEX_P.
8473 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8475 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8476 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8477 REG_OK_FOR_BASE_P): Definitions removed.
8479 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8482 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8483 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8484 set yet or weren't marked as local yet.
8486 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8488 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8491 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8493 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8494 (rs6000_legitimate_small_data_p): Delete.
8495 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8496 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8497 and make static. Add forward declaration. Update uses.
8498 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8499 of offsettable_memref_p.
8500 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8501 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8503 2006-03-24 Jeff Law <law@redhat.com>
8505 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8506 around bug in immediate-use iterator.
8508 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8511 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8512 or __LITTLE_ENDIAN__.
8514 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8516 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8517 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8518 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8519 * config/sh/sh.opt (mdiv=): Amend description.
8520 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8521 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8522 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8523 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8524 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8525 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8526 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8527 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8528 TARGET_DIVIDE_CALL_FP.
8530 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8532 * haifa-sched.c (choose_ready): Fix type of the local variable.
8533 Move local variables. Add comment.
8534 (check_reg_live): Change signature. Make callable from debugger.
8535 * sched-int.h (check_reg_live): Update signature.
8536 * sched-ebb.c (check_reg_live): Update parameters.
8537 * sched-rgn.c (check_reg_live): Ditto.
8538 (region_head_or_leaf_p): Check pointer before dereferencing.
8539 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8540 before reload on optimization levels below 1.
8542 2006-03-23 Richard Henderson <rth@redhat.com>
8544 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8548 * config/alpha/predicates.md (local_symbolic_operand): Reject
8551 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8554 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8555 expressions which have overflowed constants.
8557 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8559 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8561 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8563 * cfgloopmanip.c (create_loop_notes): Removed.
8564 * final.c (final_scan_insn): Do not handle loop notes.
8565 * jump.c (squeeze_notes): Ditto.
8566 * cfglayout.c (skip_insns_after_block,
8567 duplicate_insn_chain): Ditto.
8568 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8570 * cfgloop.h (create_loop_notes): Declaration removed.
8572 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8574 * varasm.c (output_constant_pool): Restore fnname and fndecl
8576 (assemble_start_function): Adjust call accordingly.
8577 (assemble_end_function): Likewise.
8579 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8582 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8585 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8587 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8590 * system.h (ICE_EXIT_CODE): New macro.
8591 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8592 (diagnostic_action_after_output): Likewise.
8593 * gcc.c (fatal_ice): New function.
8594 (execute): Use it instead of fatal.
8595 (fancy_abort): Likewise.
8596 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8598 2006-03-22 Jeff Law <law@redhat.com>
8600 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8601 iv_analyze_result returning false.
8603 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8605 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8607 2006-03-22 Richard Henderson <rth@redhat.com>
8610 * except.c (duplicate_eh_regions_0): New.
8611 (duplicate_eh_region_1): Duplicate the children of the node as
8612 well as the node itself. Link them up properly.
8613 (duplicate_eh_region_2): Merge into ...
8614 (duplicate_eh_regions): ... here. Take copy_region argument, and
8615 copy only a sub-tree if asked. Simplify copying and fixup.
8616 (eh_region_outer_p): New.
8617 * except.h (duplicate_eh_regions): Update decl.
8618 (eh_region_outer_p): Declare.
8619 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8620 (lower_omp_master): Likewise.
8621 (lower_omp_ordered): Likewise.
8622 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8623 (move_stmt_r): Use it to remap labels. Handle recursion vs
8624 remap_decls_p properly.
8625 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8626 (find_outermost_region_in_block): New.
8627 (new_label_mapper): New.
8628 (move_sese_region_to_fn): Copy eh information to the new function
8630 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8632 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8635 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8637 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8638 into shared libraries.
8640 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8642 * doc/md.texi: Refer to i386/constraints.md instead of
8644 * config/i386/constraints.md: New file, extracted from...
8645 * config/i386/predicates.md: ...here.
8646 * config/i386/i386.md: Include constraints.md.
8648 2006-03-21 Jason Merrill <jason@redhat.com>
8650 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8653 * expr.c (init_block_move_fn): Force default visibility.
8654 (init_block_clear_fn): Likewise.
8655 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8656 * targhooks.c (default_external_stack_protect_fail): Likewise.
8658 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8660 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8661 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8662 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8663 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8664 (loadgp): Use mips_current_loadgp_style.
8665 (loadgp_noshared): New pattern.
8666 (sibcall_internal): Use MIPS_CALL.
8667 (sibcall_value_internal): Likewise.
8668 (sibcall_value_multiple_internal): Likewise.
8669 (call_internal): Likewise.
8670 (call_value_internal): Likewise.
8671 (call_value_multiple_internal): Likewise.
8672 (call_split): Use MIPS_CALL and add an 'S' constraint.
8673 (call_value_split): Likewise.
8674 (call_value_multiple_split): Likewise.
8675 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8676 (-mshared): New option.
8677 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8678 (mips_current_loadgp_style): Declare.
8679 * config/mips/mips.c (mips_classify_symbol): Avoid using
8680 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8681 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8682 TARGET_ABSOLUTE_ABICALLS.
8683 (override_options): Adjust comments. Improve the warning that is
8684 issued when -mabicalls and -G are used together.
8685 (mips_file_start): Remove comment.
8686 (mips_current_loadgp_style): New function.
8687 (mips_gnu_local_gp): New variable.
8688 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8690 (mips_output_function_prologue): Use mips_current_laodgp_style.
8691 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8692 the cprestore instruction.
8693 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8694 live for TARGET_ABSOLUTE_ABICALLS.
8695 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8696 (ASM_SPEC): Pass down -mshared and -mno-shared.
8697 (MIPS_CALL): New macro.
8698 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8700 * doc/invoke.texi (-mabicalls): Update documentation.
8701 (-mshared): Document.
8703 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8705 * config/ia64/unwind-hpux.c: New file.
8706 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8708 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8711 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8713 2006-03-21 Jeff Law <law@redhat.com>
8715 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8716 type conversions of a VR_VARYING source to a wider type.
8718 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8720 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8721 tm_file on Solaris 10 and later.
8722 (sparc64-*-solaris2*): Likewise.
8723 (sparc-*-solaris2*): Likewise.
8724 * config/sol26.h: Rename to config/sol2-6.h.
8725 * config/sol2-10.h: New file.
8727 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8730 * tree-ssa-pre.c (create_component_ref_by_pieces):
8733 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8736 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8737 return it immediately.
8739 2006-03-21 Michael Matz <matz@suse.de>
8741 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8743 (remove_arc, add_arc): Update num_out_arcs member.
8744 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8746 (cache_presence): New function.
8747 (compare_states_for_equiv): New function.
8748 (state_is_differed): Don't take number of outargs, adjust callers.
8749 Use new invariant for speeding up.
8750 (init_equiv_class): Create initial classes based on sorted
8752 (partition_equiv_class): Don't track out_arcs_num.
8753 (evaluate_equiv_classes): Call cache_presence on all states and
8756 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8758 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8759 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8760 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8761 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8763 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8764 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8765 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8766 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8767 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8769 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8770 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8771 (REGNO_REG_CLASS): ARGP is in PREGS.
8772 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8774 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8775 to deal with those addresses.
8776 * addresses.h: New file.
8777 * caller-save.c: Include "addresses.h".
8778 (init_caller_save): Use new base_reg_class function.
8779 * rtl-factoring.c: Include "addresses.h".
8780 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8781 * recog.c: Include "addresses.h".
8782 (preprocess_constraints): Use new base_reg_class function.
8783 * regrename.c: Include "addresses.h".
8784 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8785 functions. Keep track of a new var INDEX_CODE to compute valid
8787 (replace_oldest_value_addr): Likewise.
8788 (replace_oldest_value_mem): Use base_reg_class.
8789 * reload.c: Include "addresses.h".
8790 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8791 (find_reloads): Use new base_reg_class function.
8792 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8793 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8794 all callers and prototype changed.
8795 * reload1.c: Include "addresses.h".
8796 (maybe_fix_stack_asms): Use base_reg_class.
8797 * regclass.c: Include "addresses.h".
8798 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8799 (init_reg_autoinc): Use new base_reg_class function.
8800 (record_reg_classes): Likewise.
8801 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8802 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8803 Use new args to compute necessary class.
8805 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8806 regrename.o, rtl-factoring.o): Update dependencies.
8807 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8808 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8809 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8810 REG_OK_FOR_INDEX_P): Delete documentation.
8812 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8814 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8815 from V7 to V9 for Solaris 7 and above.
8817 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8819 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8820 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8821 argument pointers may not alias any other storage.
8822 * common.opt: Define option -fargument-noalias-anything.
8823 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8824 alias semantics is specified by flag_argument_noalias > 2.
8826 2006-03-20 Jeff Law <law@redhat.com>
8828 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8829 (pass_phi_only_cprop): Declare.
8830 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8832 * tree-ssa-dom.c (degenerate_phi_result): New function.
8833 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8834 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8835 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8836 (eliminate_degenerate_phis): Likewise.
8837 (pass_phi_only_cprop): New pass descriptor.
8838 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8839 support code. Callers updated.
8840 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8841 (store_copy_prop): Likewise.
8842 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8844 2006-03-20 Jason Merrill <jason@redhat.com>
8847 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8848 (push_visibility, pop_visibility): Likewise.
8849 * c-pragma.h: Declare them.
8851 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8853 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8855 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8856 parameter and use get_ebb_head_tail.
8857 (sh_md_init_global): Adjust uses of find_regmode_weight.
8859 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8861 * function.h (struct function) <x_tail_recursion_reentry>:
8862 Rename to x_stack_check_probe_note.
8863 (tail_recursion_reentry): Rename to stack_check_probe_note.
8864 * function.c: Replace tail_recursion_reentry with
8865 stack_check_probe_note everywhere.
8866 (expand_function_start): Only emit a note for
8867 stack_check_probe_note with -fstack-protect.
8868 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8870 * emit-rtl.c (remove_unnecessary_notes): Remove.
8871 (pass_remove_unnecessary_notes): Remove.
8872 * rtl.h (remove_unnecessary_notes): Remove prototype.
8873 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8874 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8875 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8877 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8880 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8881 (valid_in_set): Handle ARRAY_REF.
8882 Change "if min_variant or VH" to asserts.
8883 (create_component_ref_by_pieces): Handle ARRAY_REF.
8884 (create_expression_by_pieces): Likewise.
8885 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8887 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8889 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8890 is operand of switch, not str[0].
8892 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8894 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8895 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8897 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8899 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8900 end of insn_extra_address_constraint declaration.
8902 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8904 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8905 (no-sum-in-toc): Same.
8906 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8908 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8909 NO_FP_IN_TOC for -fPIC instead of mask.
8911 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8912 (BOOT_LDFLAGS): Delete.
8914 * config/rs6000/t-aix52: Same.
8916 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8917 (stmsi[345678]_power): New.
8919 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8921 * config/ia64/ia64.opt: Add empty line to end of file.
8923 2006-03-17 Richard Guenther <rguenther@suse.de>
8926 * builtins.c (get_pointer_alignment): For component style references
8927 adjust alignment to the component type alignment. Make sure
8928 to adjust alignment for component access of constants.
8930 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8932 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8935 2006-03-17 Paul Brook <paul@codesourcery.com>
8937 * doc/install.texi: Docuemnt --with-mode.
8938 * config.gcc: Add --with-mode for arm*-*-*.
8939 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8941 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8943 * sh.c (max_labelno_before_reorg): New variable.
8944 (sh_reorg): Initialize it.
8945 (find_barrier): Check max_labelno_before_reorg before using
8946 label_to_alignment. Take length of explicit alignment insns
8947 into account. When seeing a UNSPECV_CONST_END, return it.
8949 * sh.c (fixup_mova): Set mode of affected label to QImode.
8950 (untangle_mova): New function.
8951 (find_barrier): Use it. Check mode of label before decrementing
8953 (sh_reorg): Likewise.
8954 Set mode of all insns back to VOIDmode.
8956 * sh.c (MOVA_LABELREF): New macro.
8957 (mova_p, fixup_mova, sh_reorg): Use it.
8958 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8959 ADDR_DIFF_VEC matches mova.
8961 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8963 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8964 with ATTRIBUTE_UNUSED.
8966 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8968 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8969 pointer, instead of assuming it is possible to derive the
8970 correct args size from a call insn.
8972 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8974 * rtl.h (CONST_INT_P): Define.
8975 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8976 instead of GET_CODE(x) == CONST_INT.
8977 (vax_rtx_costs): Likewise.
8978 (vax_output_int_move): Likewise.
8979 (vax_output_int_add): Likewise.
8980 (legitimate_constant_address_p): Likewise.
8981 (index_term_p): Likewise.
8982 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8983 * config/vax/vax.md (and<mode>3): Likewise.
8984 (ashrsi3): Likewise.
8986 (movstricthi): Likewise.
8987 (movstrictqi): Likewise.
8988 (rotrsi3): Likewise.
8989 (five unnamed insns): Likewise.
8991 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8993 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8994 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8995 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8996 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8997 Pass to ASM_OUTPUT_DWARF_OFFSET.
8998 * dwarf2out.c (debug_frame_section): New.
8999 (output_call_frame_info): Use debug_frame_section. Pass it to
9000 dw2_asm_output_offset.
9001 (output_die): Pass appropriate section to dw2_asm_output_offset.
9002 (output_compilation_unit_header): Likewise.
9003 (output_pubnames): Likewise.
9004 (output_aranges): Likewise.
9005 (enum dw_val_class): Break dw_val_class_lbl_offset into
9006 dw_val_class_lineptr and dw_val_class_macptr.
9007 (add_AT_lbl_offset): Delete.
9008 (add_AT_lineptr): New.
9009 (add_AT_macptr): New.
9010 (AT_lbl): Expect a lineptr or macptr.
9011 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9012 (attr_checksum): Likewise.
9013 (same_dw_val_p): Likewise.
9014 (size_of_die): Likewise.
9015 (value_format): Likewise.
9016 (output_die): Likewise.
9017 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9019 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9020 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9021 * config/darwin-protos.h (darwin_file_start): New.
9022 (darwin_asm_output_dwarf_offset): New.
9023 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9024 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9026 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9027 if not EH section; simplify.
9028 (darwin_file_start): New.
9029 (darwin_asm_output_dwarf_offset): New.
9030 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9032 (DEBUG_INFO_SECTION): Likewise.
9033 (DEBUG_ABBREV_SECTION): Likewise.
9034 (DEBUG_ARANGES_SECTION): Likewise.
9035 (DEBUG_MACINFO_SECTION): Likewise.
9036 (DEBUG_LINE_SECTION): Likewise.
9037 (DEBUG_LOC_SECTION): Likewise.
9038 (DEBUG_PUBNAMES_SECTION): Likewise.
9039 (DEBUG_STR_SECTION): Likewise.
9040 (DEBUG_RANGES_SECTION): Likewise.
9041 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9042 (ASM_OUTPUT_DWARF_OFFSET): New.
9044 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9046 * config.gcc (tm_defines): Always add to previous value rather
9049 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9051 * config/mips/predicates.md (splittable_const_int_operand): New,
9052 split from move_operand.
9053 (splittable_symbolic_operand): New.
9054 (move_operand): Add commentary. Use splittable_const_int_operand.
9055 Inline mips_atomic_symbolic_constant_p.
9056 * config/mips/mips.md: Add combine splitters for handling moves
9057 of splittable_const_int_operands and splittable_symbolic_operands.
9058 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9059 (mips_split_symbol): Declare.
9060 (mips_move_integer): Declare.
9061 * config/mips/mips.c (mips_split_p): Make global.
9062 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9063 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9064 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9065 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9066 (mips_offset_within_object_p): Handle block symbols.
9067 (mips_atomic_symbolic_constant_p): Delete.
9068 (mips_cannot_force_const_mem): Return false for constants that
9069 mips_legitimize_move can handle.
9070 (mips_use_blocks_for_constant_p): New function.
9071 (mips_split_symbol): Make global.
9072 (mips_move_integer): Likewise. Add a temporary register argument.
9073 (mips_legitimize_const_move): Use splittable_const_int_operand and
9074 splittable_symbolic_operand.
9075 (mips_use_anchors_for_symbol_p): New function.
9076 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9077 (mips_split_p): Declare.
9079 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9081 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9082 (mips*-*-linux*): Likewise.
9084 2006-03-16 Roger Sayle <roger@eyesopen.com>
9085 Daniel Speyer <dspeyer@wam.umd.edu>
9088 * tree-dump.c (dump_real): New function.
9089 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9090 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9091 (tree-dump.o): Add $(REAL_H) to the dependencies.
9093 2006-03-16 Roger Sayle <roger@eyesopen.com>
9096 * real.c (real_from_string): If the mantissa is zero, don't bother
9097 parsing the exponent as the result should always be zero.
9099 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9101 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9103 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9105 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9106 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9107 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9108 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9109 ia64_sched_finish_global): New static functions to implement
9110 hooks from gcc_target.sched.
9111 (spec_check_no, max_uid, pending_data_specs): New static variables.
9112 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9113 ia64_spec_check_src_p): New static functions.
9114 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9115 (TARGET_SCHED_ADJUST_COST): Removed.
9116 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9117 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9118 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9119 TARGET_SCHED_GEN_CHECK,
9120 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9121 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9122 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9123 Fixed to handle speculation checks.
9124 (rtx_needs_barrier): Fixed to handle speculative loads and
9126 (ia64_variable_issue): Added code to count speculative loads and their
9128 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9130 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9132 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9134 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9135 (ia64_reorg): Reset stops_p to NULL after it is freed.
9136 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9137 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9138 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9140 (data_speculative, control_speculative, check_load): New attributes.
9141 (mov<mode>_advanced, mov<mode>_speculative,
9142 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9143 zero_extend<mode>di2_speculative,
9144 zero_extend<mode>di2_speculative_advanced): New patterns for
9145 data and control speculative loads.
9146 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9148 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9149 New pattern for data and control speculation checks.
9150 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9151 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9152 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9153 Auxiliary definitions for the patterns.
9154 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9155 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9157 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9159 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9160 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9161 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9162 New resource constraints.
9163 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9165 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9166 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9167 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9168 msched-in-control-spec, msched-ldc, msched-control-ldc,
9169 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9170 msched-prefer-non-control-spec-insns,
9171 msched-count-spec-in-critical-path): New flags to tune speculative
9173 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9174 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9175 msched-in-control-spec, msched-ldc, msched-control-ldc,
9176 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9177 msched-prefer-non-control-spec-insns,
9178 msched-count-spec-in-critical-path): Document new flags.
9180 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9182 * target.h (struct spec_info_def): New opaque declaration.
9183 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9184 speculate_insn, needs_block_p, gen_check,
9185 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9186 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9187 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9188 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9189 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9190 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9192 (TARGET_SCHED): Use new macros.
9193 * rtl.h (copy_DEPS_LIST_list): New prototype.
9194 * sched-int.h (struct sched_info): Change signature of new_ready field,
9195 adjust all initializations. New fields: add_remove_insn,
9196 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9197 region_head_or_leaf_p.
9198 (struct spec_info_def): New structure declaration.
9199 (spec_info_t): New typedef.
9200 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9201 recovery_block, orig_pat.
9202 (glat_start, glat_end): New variables declaraions.
9203 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9205 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9206 DETACH_LIFE_INFO, USE_GLAT.
9207 (enum SPEC_SCHED_FLAGS): New enumeration.
9208 (NOTE_NOTE_BB_P): New macro.
9209 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9210 attach_life_info, debug_spec_status, check_reg_live): New functions.
9211 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9212 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9214 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9215 * ddg.c (get_block_head_tail): Adjust all uses.
9216 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9217 (sms_sched_info): Initialize new fields.
9218 (contributes_to_priority): Removed.
9219 * haifa-sched.c (params.h): New include.
9220 (get_block_head_tail): Adjust all uses.
9221 (ISSUE_POINTS): New macro.
9222 (glat_start, glat_end): New global variables.
9223 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9224 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9225 old_last_basic_block, before_recovery, current_sched_info_var,
9226 rgn_n_insns, luid): New static variables.
9227 (insn_cost1): New function. Move logic from insn_cost to here.
9228 (find_insn_reg_weight1): New function. Move logic from
9229 find_insn_reg_weight to here.
9230 (reemit_notes, move_insn, max_issue): Change signature.
9231 (move_insn1): Removed.
9232 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9233 extend_bb): New static functions to support extension of scheduler's
9235 (generate_recovery_code, process_insn_depend_be_in_spec,
9236 begin_speculative_block, add_to_speculative_block,
9237 init_before_recovery, create_recovery_block, create_check_block_twin,
9238 fix_recovery_deps): New static functions to support
9239 generation of recovery code.
9240 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9241 restore_bb_notes, move_block_after_check, move_succs): New static
9242 functions to support ebb scheduling.
9243 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9244 functions to support handling of register live information.
9245 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9246 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9247 add_jump_dependencies): New static functions.
9248 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9249 consistancy checking.
9250 (debug_spec_status): New function to call from debugger.
9251 (priority): Added code to handle speculation checks.
9252 (rank_for_schedule): Added code to distinguish speculative instructions.
9253 (schedule_insn): Added code to handle speculation checks.
9254 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9255 Fixed to handle ebbs.
9256 (move_insn): Added code to handle ebb scheduling.
9257 (max_issue): Added code to use ISSUE_POINTS of instructions.
9258 (choose_ready): Added code to choose between speculative and
9259 non-speculative instructions.
9260 (schedule_block): Added code to handle ebb scheduling and scheduling of
9261 speculative instructions.
9262 (sched_init): Initialize new variables.
9263 (sched_finish): Free new variables. Print statistics.
9264 (try_ready): Added code to handle speculative instructions.
9265 * lists.c (copy_DEPS_LIST_list): New function.
9266 * sched-deps.c (extend_dependency_caches): New function. Move logic
9267 from create_dependency_caches to here.
9268 (get_dep_weak, ds_merge): Make global.
9269 * genattr.c (main): Code to output prototype for
9270 dfa_clear_single_insn_cache.
9271 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9272 (output_dfa_clean_insn_cache_func): Code to output
9273 dfa_clear_single_insn_cache function.
9274 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9276 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9278 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9279 New static variables.
9280 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9281 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9283 (ebb_sched_info): Initialize new fields.
9284 (get_block_head_tail): Adjust all uses.
9285 (compute_jump_reg_dependencies): Fixed to use glat_start.
9286 (schedule_ebb): Code to remove unreachable last block.
9287 (schedule_ebbs): Added code to update register live information.
9288 * sched-rgn.c (region_sched_info): Initialize new fields.
9289 (get_block_head_tail): Adjust all uses.
9290 (last_was_jump): Removed. Adjust users.
9291 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9292 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9293 Implement new hooks.
9294 (check_dead_notes1): New static function.
9295 (struct region): New fields: dont_calc_deps, has_real_ebb.
9296 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9297 (BB_TO_BLOCK): Fixed to handle EBBs.
9298 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9299 (ebb_head): New static variable.
9300 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9301 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9303 (compute_dom_prob_ps): New assertion.
9304 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9305 global_live_at_start.
9306 (init_ready_list): New assertions.
9307 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9308 (new_ready): Add support for BEGIN_CONTROL speculation.
9309 (schedule_insns): Fixed code that updates register live information
9311 (schedule_region): Fixed to handle EBBs.
9312 (init_regions): Use extend_regions and check_dead_notes1.
9313 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9314 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9315 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9316 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9317 TARGET_SCHED_GEN_CHECK,
9318 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9319 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9320 * doc/invoke.texi (max-sched-insn-conflict-delay,
9321 sched-spec-prob-cutoff): Document.
9323 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9325 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9326 inter_tick, queue_index.
9327 (struct sched_info): Change signature of init_ready_list field.
9328 Adjust all initializations.
9329 (RESOLVED_DEPS): New access macro.
9330 (ready_add): Remove prototype.
9331 (try_ready): Add prototype.
9332 * sched-rgn.c (init_ready_list): Use try_ready.
9333 (schedule_region): Initialize
9334 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9335 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9336 (init_ready_list): Use try_ready.
9337 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9338 * lists.c (remove_list_elem): Remove `static'.
9339 (remove_free_INSN_LIST_elem): New function.
9340 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9341 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9342 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9344 (readyp): New variable.
9345 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9346 change_queue_index, resolve_dep): New static functions.
9347 (try_ready): New function. Adjust callers in sched-rgn.c and
9348 sched-ebb.c to use it instead of ready_add.
9349 (clock_var): Move at the begining of file.
9350 (rank_for_schedule): Fix typo.
9351 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9352 (ready_lastpos): Enforce assertion.
9353 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9355 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9356 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9357 (queue_to_ready): Use free_INSN_LIST_list.
9358 (early_queue_to_ready): Fix typo.
9359 (schedule_block): Init readyp. Move init_ready_list call after the
9360 initialization of clock_var. Fix error in rejecting insn by
9361 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9362 that previously corrected INSN_TICKs. Add code for handling
9364 (set_priorities): Fix typo.
9365 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9366 Clarify comment and code that keeps current_sched_info->next_tail
9369 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9371 * sched-rgn.c (extend_rgns): New static function.
9372 (find_rgns): Use it.
9373 (gather_region_statistics, print_region_statistics): New static
9375 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9376 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9378 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9379 Andrey Belevantsev <abel@ispras.ru>
9381 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9382 * lists.c (unused_deps_list): New variable.
9383 (free_list): Add assertions to verify the proper distinguishing
9384 between INSN_LISTs and DEPS_LISTs.
9385 (find_list_elem, remove_list_elem, remove_list_node): New static
9387 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9388 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9389 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9390 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9392 (free_INSN_LIST_node): Likewise.
9393 * modulo-sched.c (current_sched_info): Initialize flags field.
9394 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9395 * rtl.def (DEPS_LIST): Define.
9396 * rtl.h: Declare new functions from lists.c.
9397 * sched-deps.c (spec_dependency_cache): New static variable.
9398 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9399 (add_dependence): Change return type to void. Move the logic to ...
9400 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9401 (delete_all_dependences): Add comment about forward_dependency_cache.
9402 Handle spec_dependency_cache. Handle DEPS_LISTs.
9403 (fixup_sched_groups): Clarify the change of priority of output
9404 and anti dependencies.
9405 (sched_analyze_2): Adjust add_dependence calls to create data
9406 speculative dependence.
9407 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9408 Adjust all callers. Handle DEPS_LISTS.
9409 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9410 presence of speculation.
9411 (init_dependency_caches, free_dependency_caches):
9412 Handle spec_dependency_cache.
9413 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9414 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9415 New static functions.
9416 (add_or_update_back_dep, add_or_update_back_forw_dep,
9417 add_back_forw_dep, delete_back_forw_dep): New functions.
9418 * sched-int.h (ds_t, dw_t): New typedefs.
9419 (struct sched_info): Add new field flags.
9420 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9421 Prototype new sched-deps.c functions.
9422 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9423 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9424 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9425 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9426 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9427 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9429 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9431 * sched-rgn.c (current_sched_info): Initialize flags field.
9432 (schedule_insns): Initialize current_sched_info before the sched_init
9434 * sched-ebb.c (current_sched_info): Initialize flags field.
9435 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9436 Call add_or_update_back_dep instead of add_dependence.
9437 Create control speculative dependencies.
9438 (schedule_insns): Initialize current_sched_info before the sched_init
9441 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9443 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9445 (sh_fallback_frame_state): Likewise.
9447 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9449 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9450 Do switch on default_use_cxa_atexit.
9451 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9452 * config/darwin-crt3.o: New.
9453 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9454 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9455 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9457 * config/rs6000/t-darwin: Move crt2.o building to here.
9458 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9459 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9462 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9464 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9465 from '! xxx' to '!xxx' for coding-style conformance.
9466 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9467 (EXTRA_CONSTRAINT): Likewise.
9468 * config/vax/vax.md (four unnamed insns): Likewise.
9470 2006-03-15 Paul Brook <paul@codesourcery.com>
9472 * config/arm/arm.c (minipool_pad): New.
9473 (add_minipool_forward_ref): Include pool alignment padding in address
9475 (push_minipool_fix): Set minipool_pad.
9476 (minipool_pad): Ditto.
9478 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9480 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9481 instead of GET_CODE() == MEM and REG_P() instead of
9483 (print_operand_address): Likewise.
9484 (vax_address_cost): Likewise.
9485 (vax_rtx_costs): Likewise.
9486 (vax_notice_update_cc): Likewise.
9487 (vax_output_int_add): Likewise.
9488 (INDEX_REGISTER_P): Likewise.
9489 (BASE_REGISTER_P): Likewise.
9490 (nonindexed_address_p): Likewise.
9491 (vax_mode_dependent_address_p): Likewise.
9492 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9493 (PRINT_OPERAND): Likewise.
9494 * config/vax/vax.md (ashlsi3): Likewise.
9495 (ashlsi3): Likewise.
9496 (some more unnamed insns): Likewise.
9498 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9500 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9501 iterator-style macro.
9502 (mark_control_dependent_edges_necessary): Update the use of
9503 EXECUTE_IF_CONTROL_DEPENDENT.
9505 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9507 * config/sh/predicates.md (cache_address_operand): Special.
9508 (ua_address_operand): Likewise.
9510 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9512 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9514 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9516 2006-03-15 Andreas Schwab <schwab@suse.de>
9518 * gensupport.c (identify_predicable_attribute): Don't free p_false
9519 when it is still in use.
9521 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9523 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9524 the default setting here.
9526 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9528 * tree-pass.h (pass_cfg): Remove.
9529 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9530 * passes.c (pass_cfg): Don't run it.
9532 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9534 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9535 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9537 (stack_regs_mentioned): Update the uses of
9538 stack_regs_mentioned_data. Don't access the array beyond its
9540 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9541 Don't include gt-reg-stack.h.
9543 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9544 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9546 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9549 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9552 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9554 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9556 2006-03-14 Richard Guenther <rguenther@suse.de>
9558 PR tree-optimization/26672
9559 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9562 2006-03-14 Richard Guenther <rguenther@suse.de>
9564 PR tree-optimization/26667
9565 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9566 node for the callees. Always allow inlining if it will shrink
9569 2006-03-14 Richard Guenther <rguenther@suse.de>
9572 * builtins.c (get_pointer_alignment): Prefer alignment
9573 information from decls over that from types.
9575 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9578 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9580 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9582 * config/rs6000/rs6000.opt (mdlmzb): New option.
9583 (msched-prolog, msched-epilog): Use Var not Mask.
9584 * doc/invoke.texi (-mdlmzb): Document.
9585 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9587 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9588 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9590 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9592 PR rtl-optimization/25739
9593 * bt-load.c (augment_live_range): Free tos pointer.
9595 * gensupport.c (identify_predicable_attribute): Free
9597 * gcov.c (create_file_names): Free name pointer.
9599 2006-03-13 Roger Sayle <roger@eyesopen.com>
9602 * stmt.c (emit_case_nodes): Handle the case where the index is a
9603 CONST_INT, where the comparison mode is specified by the index type.
9605 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9607 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9610 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9612 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9613 (*branch_fp_inverted): Likewise.
9615 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9618 * omp-low.c (expand_omp_for_generic): Mark istart0
9619 and iend0 as addressable.
9621 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9623 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9625 2006-03-13 Jeff Law <law@redhat.com>
9627 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9628 virtual operands are interesting.
9629 (vrp_visit_stmt): Corresponding changes.
9631 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9633 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9635 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9636 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9637 * config/bfin/crti.S: Use it instead of __PIC__.
9638 * config/bfin/crtn.S: Likewise.
9640 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9641 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9643 Lose 'G' modifier for call operand.
9644 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9645 recognize 'G' modifier.
9647 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9650 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9651 * stmt.c (expand_case): Likewise.
9653 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9655 PR rtl-optimization/26254
9656 * loop-invariant.c (seq_insns_valid_p): New function.
9657 (move_invariant_reg): Only emit new code if it is valid.
9659 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9661 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9663 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9664 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9665 (commit_one_edge_insertion): Do not look for loop notes.
9667 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9669 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9670 flag_test_coverage out of loop.
9672 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9674 * final.c (shorten_branches): Remove outdated comment, and turn
9675 the if branch that guards it to continue.
9677 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9679 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9680 * cfgloop.h (struct loop): Remove unused fields.
9682 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9684 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9685 (-dL, -fdump-rtl-loop2): Update the dump file names
9687 * doc/invoke.texi: Update dump file names.
9689 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9691 * predict.c (estimate_probability): Remove.
9692 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9693 * basic-block.h (estimate_probability): Remove prototype.
9694 * passes.c (finish_optimization_passes): Dump branch prediction or
9695 profiling heuristics to the .profile tree dump.
9696 (init_optimization_passes): Unqueue pass_branch_prob.
9698 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9700 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9702 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9703 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9705 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9707 * function.h (frame_offset_overflow): Declare.
9708 * function.c (frame_offset_overflow): New function.
9709 (assign_stack_local_1): Call it to detect that the offset overflows.
9710 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9712 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9714 * config/sh/sh.c: Include alloc-pool.h.
9715 (label_ref_list_pool): New alloc pool.
9716 (label_ref_list_t): New type for lists of labels.
9717 (struct pool_node): Make wend a label_ref_list_t.
9718 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9720 (dump_table): Likewise.
9721 (sh_reorg): Set up the alloc pool before using add_constant and
9722 dump_table, and destroy it when finishing.
9724 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9726 * config/mips/mips.c: Remove redundant comment.
9728 2006-03-10 Jason Merrill <jason@redhat.com>
9731 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9732 the target was declared 'register'.
9734 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9736 * genpreds.c (write_insn_constraint_len): Change definition of
9737 insn_constraint_len to return size_t to match the declaration.
9739 2006-03-10 DJ Delorie <dj@redhat.com>
9741 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9743 (m32c_expand_insv): Fix test for an AND mask.
9745 2006-03-10 Richard Guenther <rguenther@suse.de>
9748 * builtins.c (get_pointer_alignment): Handle component
9749 references for field alignment.
9751 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9753 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9754 when building with libgloss.
9755 (sh*elf): Implement --without-fp option.
9756 (sh64-superh-linux*): Don't multilib.
9758 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9760 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9762 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9764 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9765 Set it when one of the replacement functions returned true.
9766 Return TODO_cleanup_cfg if cfgchanged is true.
9767 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9769 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9771 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9772 instead of gen_lowpart.
9774 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9776 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9778 (mips_output_order_conditional_branch): Declare.
9779 * config/mips/mips.h (MIPS_BRANCH): New macro.
9780 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9781 for the comparison. Use gen_condjump.
9782 (mips_output_conditional_branch): Rework interface to take the
9783 asm templates for a direct branch and the inverse of a direct branch.
9784 (mips_output_order_conditional_branch): New function.
9785 (mips_builtin_branch_and_move): New function.
9786 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9787 branch condition. Use gen_single_cc as the condition for
9788 __builtin_mips_upper_* or __builtin_mips_lower_*.
9789 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9790 Use VOIDmode for the branch condition.
9791 * config/mips/predicates.md (order_operator): New predicate.
9792 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9793 (branch_fp): Rename to...
9794 (*branch_fp): ...this. Remove mode from comparison operator.
9795 Use new mips_output_conditional_branch interface.
9796 (branch_fp_inverted): Rename to...
9797 (*branch_fp_inverted): ...this and update as for *branch_fp.
9798 (*branch_zero<mode>): Rename to...
9799 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9800 Use mips_output_order_conditional_branch. Only accept ordered
9802 (*branch_zero<mode>_inverted): Rename to...
9803 (*branch_order<mode>_inverted): ...this and update as for
9804 *branch_order<mode>.
9805 (*branch_equality<mode>): Accept zero as the second operand to
9806 the equality operator. Use the new mips_output_conditional_branch
9808 (*branch_equality<mode>_inverted): Likewise.
9809 (condjump): New expander.
9810 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9812 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9813 (bc1any2t, bc1any2f): Likewise.
9814 (single_cc): New expander.
9815 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9817 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9819 * doc/md.texi: Update documentation of MIPS constraints.
9820 * config/mips/constraints.md: New file.
9821 * config/mips/mips.md: Include it.
9822 * config/mips/mips.c (mips_char_to_class): Delete.
9823 (override_options): Don't initialize mips_char_to_class.
9824 * config/mips/mips.h (mips_char_to_class): Delete.
9825 (REG_CLASS_FROM_LETTER): Delete.
9826 (CONST_OK_FOR_LETTER_P): Delete.
9827 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9828 (EXTRA_CONSTRAINT_Y): Delete.
9829 (EXTRA_CONSTRAINT_STR): Delete.
9830 (CONSTRAINT_LEN): Delete.
9831 (EXTRA_MEMORY_CONSTRAINT): Delete.
9833 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9835 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9836 original fn's eh regions.
9838 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9840 * fold-const.c (build_range_check): Make sure to use a valid type to
9841 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9844 (range_predecessor): New static function.
9845 (range_successor): Likewise.
9846 (merge_ranges): Use them to compute predecessors and successors of
9849 2006-03-09 Roger Sayle <roger@eyesopen.com>
9852 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9853 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9855 2006-03-08 DJ Delorie <dj@redhat.com>
9857 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9858 (addpsi3): Expand to include memory operands. Remove
9859 reload-specific splits.
9860 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9861 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9862 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9863 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9864 (shift1_qi, shift1_hi, insv): New.
9865 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9866 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9867 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9869 * config/m32c/m32c-protos.h: Update as needed.
9870 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9871 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9872 Fail for unrecognized R* constraints.
9873 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9874 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9875 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9877 (m32c_init_libfuncs): New.
9878 (m32c_legitimate_address_p): Add debug wrapper.
9879 (m32c_rtx_costs): New.
9880 (m32c_address_cost): New.
9881 (conversions): Add 'B' prefix.
9882 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9883 operands, or word regnames for QI operands. 'B' prints bit
9885 (m32c_expand_setmemhi): New.
9886 (m32c_expand_movmemhi): New.
9887 (m32c_expand_movstr): New.
9888 (m32c_expand_cmpstr): New.
9889 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9890 (m32c_expand_neg_mulpsi3): Handle non-ints.
9891 (m32c_cmp_flg_0): New.
9892 (m32c_expand_movcc): New.
9893 (m32c_expand_insv): New.
9894 (m32c_scc_pattern): New.
9895 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9896 a0/a1 out of SIregs.
9897 (STORE_FLAG_VALUE): New.
9898 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9901 * config/m32c/mov.md: Make constraints more liberal.
9902 (zero_extendqihi2): Optimize r0/r1 case.
9903 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9904 * config/m32c/predicates.md (m32c_any_operand): New.
9905 (m32c_nonimmediate_operand): New.
9906 (m32c_hl_operand): New.
9907 (m32c_r3_operand): New.
9910 (memsym_operand): New.
9911 (memimmed_operand): New.
9912 (a_qi_operand): New.
9913 (m32c_eqne_operator): New.
9914 (m32c_1bit8_operand): New.
9915 (m32c_1bit16_operand): New.
9916 (m32c_1mask8_operand): New.
9917 (m32c_1mask16_operand): New.
9918 * config/m32c/blkmov.md: New file.
9919 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9921 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9923 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9924 unsigned to fix signed/unsigned comparison issue in
9925 DWARF2_FRAME_REG_OUT.
9926 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9927 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9929 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9930 of ptr into the ENABLE_CHECKING section.
9932 2006-03-08 Jeff Law <law@redhat.com>
9934 * tree-vrp.c (infer_value_range): Only count pointer uses
9935 and dereferences if -fdelete-null-pointer-checks is enabled.
9937 * tree-vrp.c (find_assert_locations): Infer value ranges for
9938 single use pointers, but do not create ASSERT_EXPRs for them.
9939 When a non-null range is inferred for a pointer, backwards
9940 propagate that range to other equivalent pointers through the
9943 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9946 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9947 language hook targets.
9948 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9949 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9950 if language hook targets were missing.
9952 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9954 * tree-ssa-opfinalize.h: Removed.
9955 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9957 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9958 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9959 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9960 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9961 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9962 finalize_ssa_v_must_def_ops): New.
9964 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9966 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9969 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9971 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9973 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9974 addresses with offsets; reorganize.
9976 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9977 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9978 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9980 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9983 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9985 2006-03-08 Ben Elliston <bje@au.ibm.com>
9987 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9989 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9992 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9995 2006-03-07 Richard Guenther <rguenther@suse.de>
9997 PR tree-optimization/26587
9998 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10000 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10002 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10004 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10006 * hooks.c (hook_bool_mode_rtx_true): New function.
10007 * hooks.h (hook_bool_mode_rtx_true): Declare.
10008 * toplev.c (compile_file): Call output_shared_constant_pool.
10009 * varasm.c (shared_constant_pool): New variable.
10010 (assemble_start_function, assemble_end_function): Remove arguments
10011 from call to output_constant_pool.
10012 (create_constant_pool): New function, split out from...
10013 (init_varasm_status): ...here.
10014 (force_const_mem): Choose between the shared and per-function constant
10015 pools. Set current_function_uses_const_pool when reusing old entries
10016 as well as when creating new ones.
10017 (mark_constant): Ignore data argument.
10018 (mark_constants): Remove pool argument.
10019 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10020 to decide whether the function uses a constant pool.
10021 (output_constant_pool_contents): New function, split out from...
10022 (output_constant_pool): ...here.
10023 (output_shared_constant_pool): New function.
10024 (init_varasm_once): Initialize shared_constant_pool.
10025 * output.h (output_constant_pool): Delete.
10026 (output_shared_constant_pool): Declare.
10027 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10028 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10030 2006-03-06 Nick Clifton <nickc@redhat.com>
10032 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10033 flag_strength_reduce.
10035 2006-03-06 Ben Elliston <bje@au.ibm.com>
10037 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10038 x86_64-*-linux* configurations.
10040 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10041 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10043 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10045 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10047 * basic-block.h: Remove the extern for
10048 rediscover_loops_after_threading.
10050 * cfgloop.c (cancel_loop): Make it static.
10051 * cfgloop.h: Remove the prototype for cancel_loop.
10053 * flow.c (recompute_reg_usage): Make it static.
10054 * rtl.h: Remove the prototype for recompute_reg_usage.
10056 * function.c (use_return_register): Make it static.
10057 * function.h: Remove the prototype.
10059 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10061 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10063 * recog.h: Remove the prototype for
10064 validate_change_maybe_volatile.
10066 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10068 * rtlanal.c (replace_reg): Remove.
10069 * rtl.h: Remove the prototype for replace_reg.
10071 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10073 * regclass.c (reg_scan_update): Remove.
10074 (reg_scan_mark_refs): Remove the last argument.
10075 * rtl.h: Remove the prototype for reg_scan_update.
10077 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10079 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10080 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10081 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10082 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10083 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10084 loop-invariant.c, omp-low.c, opts.c, passes.c,
10085 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10086 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10087 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10088 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10089 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10090 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10092 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10094 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10095 * dwarf2out.h: Remove the prototype for
10096 dwarf2out_add_library_unit_info.
10098 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10100 * tree.c (add_var_to_bind_expr): Remove.
10101 * tree.h: Remove the prototype for add_var_to_bind_expr.
10103 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10105 * regclass.c (n_non_fixed_regs): Remove.
10106 (init_reg_sets_1, globalize_reg): Remove all uses of
10108 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10110 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10112 * rtlanal.c (insns_safe_to_move_p): Remove.
10113 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10115 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10117 * expmed.c (expand_mult_add): Remove.
10118 * expr.h: Remove the prototype for expand_mult_add.
10120 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10122 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10123 and REG_SAVED_VAL_EXP constants.
10124 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10125 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10126 Handle regs stored by value.
10127 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10128 (execute_cfa_program): Handle DW_CFA_val_offset,
10129 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10130 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10131 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10132 (uw_install_context_1): Handle target regs stored by value.
10134 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10136 * tree-sra.c (tree_sra): Return todoflags;
10137 (generate_one_element): Set TODO_update_smt_usage if needed.
10138 (pass_sra): Remove TODO_update_smt_usage.
10139 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10141 (tree_ssa_forward_propagate_single_use_vars): Return
10142 TODO_update_smt_usage if we need to update SMT usage.
10143 (pass_forwprop): Remove TODO_update_smt_usage.
10145 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10147 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10148 (correct_use_link): Remove reference to get_stmt_operands.
10149 (update_stmt_operands): Likewise.
10150 (get_modify_expr_operands): New function factored out of
10151 parse_ssa_operands and get_expr_operands.
10152 Try to create V_MUST_DEFs for LHS by default.
10153 (get_expr_operands) <case MODIFY_EXPR>: Call
10154 get_modify_expr_operands.
10155 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10156 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10157 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10158 get_modify_expr_operands.
10160 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10162 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10163 * tree-flow.h: Remove the prototype for
10164 referenced_var_lookup_if_exists.
10166 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10168 PR rtl-optimization/26345
10170 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10172 2006-03-03 Roger Sayle <roger@eyesopen.com>
10174 PR tree-optimization/26524
10175 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10176 fold_convert to create a constant of the appropriate type.
10178 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10180 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10181 SYMBOL_REF_IN_BLOCK_P.
10182 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10183 of SYMBOL_FLAG_IN_BLOCK.
10184 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10185 instead of SYMBOL_REF_IN_BLOCK_P.
10186 * explow.c (use_anchored_address): Likewise.
10187 * rtl.c (rtx_size): Likewise.
10188 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10189 instead of SYMBOL_FLAG_IN_BLOCK.
10190 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10191 SYMBOL_REF_IN_BLOCK_P.
10192 (assemble_variable): Likewise.
10193 (output_constant_def_contents): Likewise.
10194 (output_constant_pool): Likewise.
10195 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10196 instead of SYMBOL_FLAG_IN_BLOCK.
10197 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10198 SYMBOL_REF_IN_BLOCK_P.
10199 (SYMBOL_REF_BLOCK): Likewise.
10200 (SYMBOL_REF_OFFSET): Likewise.
10201 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10202 SYMBOL_REF_IN_BLOCK_P.
10203 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10204 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10205 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10206 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10208 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10210 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10212 2006-03-02 Roger Sayle <roger@eyesopen.com>
10214 * simplify-rtx.c (simplify_unary_operation): When simplifying
10215 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10216 that we perform the right shift in the appropriate mode, and
10217 then extend or truncate the result to requested mode.
10219 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10221 * gengtype.c (main): Handle double_int type.
10222 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10223 * double-int.c: New file.
10224 * double-int.h: New file.
10225 * system.h: Include doubleint.h.
10226 * Makefile.in (SYSTEM_H): Include double-int.h.
10227 (double-int.o): Add.
10229 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10232 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10235 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10237 * tree-vrp.c (remove_range_assertions): Do not update statements
10240 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10242 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10244 * gcse.c (rest_of_handle_gcse): Ditto.
10245 * except.c (gate_handle_eh): Ditto.
10246 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10247 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10249 2006-03-02 Eric Christopher <echristo@apple.com>
10251 * config/i386/i386.c (machopic_output_stub): Add indirection to
10254 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10258 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10260 Sun Niagara specific optimizations.
10261 * config.gcc: Recognize niagara as target.
10262 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10263 (TARGET_CPU_niagara): Define.
10264 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10265 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10266 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10267 (ASM_CPU_SPEC): Likewise.
10268 (PROCESSOR_NIAGARA): New enum entry.
10269 (REGISTER_MOVE_COST): Handle Niagara.
10270 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10271 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10272 (sparc_override_options): Recognize "niagara", set appropriate
10273 default MASK_* values for it, and align functions to 32-bytes
10274 by default just like ULTRASPARC/ULTRASPARC3.
10275 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10276 (sparc64_initialize_trampoline): Likewise.
10277 (sparc_use_sched_lookahead): Use zero for niagara.
10278 (sparc_issue_rate): Use one for niagara.
10279 * config/sparc/niagara.md: New file.
10280 * config/sparc/sparc.md: Include it.
10281 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10282 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10283 when default cpu is niagara.
10284 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10285 (ASM_CPU_SPEC): Likewise.
10286 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10287 when default cpu is niagara.
10288 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10289 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10290 just like v9/ultrasparc/ultrasparc3.
10291 * doc/invoke.texi: Add documentation for "niagara" and improve
10292 existing documentation for ultrasparc variants.
10294 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10296 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10298 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10300 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10301 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10302 and say that only one is needed.
10303 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10304 * target.h (have_switchable_bss_sections): New hook.
10305 * explow.c (use_anchored_address): Check that the symbol is in a block.
10306 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10307 (bss_noswitch_section): New variables.
10308 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10309 (get_noswitch_section): New function.
10310 (get_block_for_section): Allow SECT to be null.
10311 (unlikely_text_section_p): Use SECTION_STYLE.
10312 (bss_initializer_p): New function.
10313 (get_variable_section): Move earlier in file. Take a new argument,
10314 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10315 Return one of the new *_sections in such cases.
10316 (get_block_for_decl): New function, extracting some logic from
10317 use_blocks_for_decl_p.
10318 (change_symbol_section): Remove in favor of...
10319 (change_symbol_block): ...this new function.
10320 (use_blocks_for_decl_p): Remove checks now performed by
10321 get_block_for_decl.
10322 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10323 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10324 (emit_local, emit_bss, emit_common): ...these new functions.
10325 Return true if the alignment was honored.
10326 (emit_tls_common): New function.
10327 (asm_emit_uninitialised): Delete.
10328 (assemble_variable_noswitch): New function, split out from...
10329 (assemble_variable): ...here. Don't make decisions about common
10330 variables here. Globalize all public decls that go into non-common
10331 sections. Check whether SYMBOL_REF_BLOCK is null.
10332 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10333 (output_constant_pool): Likewise.
10334 (init_varasm_once): Initialize the new section variables.
10335 (have_global_bss_p): New function.
10336 (categorize_decl_for_section): Use bss_initializer_p.
10337 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10338 (place_block_symbol): Assert that the symbol must be in a block.
10339 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10340 (TARGET_INITIALIZER): Include it.
10341 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10342 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10343 (SECTION_MACH_DEP): Bump by two.
10344 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10345 (unnamed_section): Mention SECTION_UNNAMED in comment.
10346 (named_section): Likewise SECTION_NAMED.
10347 (noswitch_section_callback): New type.
10348 (noswitch_section): New structure.
10349 (section): Add a noswitch_section alternative.
10350 (SECTION_STYLE): New macro.
10351 (tls_comm_section, comm_section, lcomm_section): Declare.
10352 (bss_noswitch_section, have_global_bss_p): Declare.
10353 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10354 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10356 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10357 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10360 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10362 * tree-vrp.c (execute_vrp): Return value.
10363 * regrename.c (rest_of_handle_regrename): Ditto.
10364 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10365 * tree-complex.c (tree_lower_complex): Ditto.
10366 (tree_lower_complex_O0): Ditto.
10367 * tracer.c (rest_of_handle_tracer): Ditto.
10368 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10369 * postreload.c (rest_of_handle_postreload): Ditto.
10370 * tree-tailcall.c (execute_tail_recursion): Ditto.
10371 (execute_tail_calls): Ditto.
10372 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10373 * tree.h (init_function_for_compilation): Ditto.
10374 * ipa-cp.c (ipcp_driver): Ditto.
10375 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10376 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10377 * final.c (compute_alignments): Ditto.
10378 (rest_of_handle_final): Ditto.
10379 (rest_of_handle_shorten_branches): Ditto.
10380 (rest_of_clean_state): Ditto.
10381 * omp-low.c (execute_expand_omp): Ditto.
10382 (execute_lower_omp): Ditto.
10383 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10384 * ipa-reference.c (static_execute): Ditto.
10385 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10386 * reorg.c (rest_of_handle_delay_slots): Ditto.
10387 (rest_of_handle_machine_reorg): Ditto.
10388 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10389 * flow.c (recompute_reg_usage): Ditto.
10390 (rest_of_handle_remove_death_notes): Ditto.
10391 (rest_of_handle_life): Ditto.
10392 (rest_of_handle_flow2): Ditto.
10393 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10394 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10395 (do_ssa_store_ccp): Ditto.
10396 (execute_fold_all_builtins): Ditto.
10397 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10398 * modulo-sched.c (rest_of_handle_sms): Ditto.
10399 * ipa-pure-const.c (static_execute): Ditto.
10400 * cse.c (rest_of_handle_cse): Ditto.
10401 (rest_of_handle_cse2): Ditto.
10402 * web.c (rest_of_handle_web): Ditto.
10403 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10404 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10405 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10406 * tree-nrv.c (tree_nrv): Ditto.
10407 (execute_return_slot_opt): Ditto.
10408 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10409 (create_structure_vars): Ditto.
10410 * loop-init.c (rtl_loop_init): Ditto.
10411 (rtl_loop_done): Ditto.
10412 (rtl_move_loop_invariants): Ditto.
10413 (rtl_unswitch): Ditto.
10414 (rtl_unroll_and_peel_loops): Ditto.
10415 (rtl_doloop): Ditto.
10416 * gimple-low.c (lower_function_body): Ditto.
10417 (mark_used_blocks): Ditto.
10418 * tree-ssa-sink.c (execute_sink_code): Ditto.
10419 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10420 (cgraph_early_inlining): Ditto.
10421 * global.c (rest_of_handle_global_alloc): Ditto.
10422 * jump.c (cleanup_barriers): Ditto.
10423 (purge_line_number_notes): Ditto.
10424 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10425 (rest_of_handle_if_after_reload): Ditto.
10426 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10427 (tree_ssa_loop_im): Ditto.
10428 (tree_ssa_loop_unswitch): Ditto.
10429 (tree_vectorize): Ditto.
10430 (tree_linear_transform): Ditto.
10431 (tree_ssa_loop_ivcanon): Ditto.
10432 (tree_ssa_empty_loop): Ditto.
10433 (tree_ssa_loop_bounds): Ditto.
10434 (tree_complete_unroll): Ditto.
10435 (tree_ssa_loop_prefetch): Ditto.
10436 (tree_ssa_loop_ivopts): Ditto.
10437 (tree_ssa_loop_done): Ditto.
10438 * predict.c (tree_estimate_probability): Ditto.
10439 * recog.c (split_all_insns_noflow): Ditto.
10440 (rest_of_handle_peephole2): Ditto.
10441 (rest_of_handle_split_all_insns): Ditto.
10442 * tree-eh.c (lower_eh_constructs): Ditto.
10443 * regmove.c (rest_of_handle_regmove): Ditto.
10444 (rest_of_handle_stack_adjustments): Ditto.
10445 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10446 * function.c (instantiate_virtual_regs): Ditto.
10447 (init_function_for_compilation): Ditto.
10448 (rest_of_handle_check_leaf_regs): Ditto.
10449 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10450 (rest_of_handle_gcse): Ditto.
10451 * ipa-type-escape.c (type_escape_execute): Ditto.
10452 * alias.c (rest_of_handle_cfg): Ditto.
10453 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10454 * profile.c (rest_of_handle_branch_prob): Ditto.
10455 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10456 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10457 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10458 * tree-dfa.c (find_referenced_vars): Ditto.
10459 * except.c (set_nothrow_function_flags): Ditto.
10460 (convert_to_eh_region_ranges): Ditto.
10461 (rest_of_handle_eh): Ditto.
10462 * emit-rtl.c (unshare_all_rtl): Ditto.
10463 (remove_unnecessary_notes): Ditto.
10464 * except.h (set_nothrow_function_flags): Ditto.
10465 (convert_to_eh_region_ranges): Ditto.
10466 * cfgexpand.c (tree_expand_cfg): Ditto.
10467 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10468 * tree-ssa-pre.c (do_pre): Ditto.
10469 (execute_fre): Ditto.
10470 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10471 (rest_of_handle_jump2): Ditto.
10472 * tree-sra.c (tree_sra): Ditto.
10473 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10474 (execute_mudflap_function_decls): Ditto.
10475 * tree-ssa-copy.c (do_copy_prop): Ditto.
10476 (do_store_copy_prop): Ditto.
10477 * ipa-prop.h (ipcp_driver): Ditto.
10478 * cfglayout.c (insn_locators_initialize): Ditto.
10479 * tree-ssa-forwprop.c
10480 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10481 * cfglayout.h (insn_locators_initialize): Ditto.
10482 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10483 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10484 (execute_late_warn_uninitialized): Ditto.
10485 * rtl.h (cleanup_barriers): Ditto.
10486 (split_all_insns_noflow): Ditto.
10487 (purge_line_number_notes): Ditto.
10488 (unshare_all_rtl): Ditto.
10489 (remove_unnecessary_notes): Ditto.
10490 (recompute_reg_usage): Ditto.
10491 (variable_tracking_main): Ditto.
10492 * integrate.c (emit_initial_value_sets): Ditto.
10493 * integrate.h (emit_initial_value_sets): Ditto.
10494 * tree-optimize.c (execute_free_datastructures): Ditto
10495 (execute_free_cfg_annotations): Ditto.
10496 (execute_fixup_cfg): Ditto.
10497 (execute_cleanup_cfg_pre_ipa): Ditto.
10498 (execute_cleanup_cfg_post_optimizing): Ditto.
10499 (execute_init_datastructures): Ditto.
10500 * tree-object-size.c (compute_object_sizes): Ditto.
10501 * combine.c (rest_of_handle_combine): Ditto.
10502 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10503 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10504 (rest_of_handle_reorder_blocks): Ditto.
10505 (rest_of_handle_partition_blocks): Ditto.
10506 * var-tracking.c (variable_tracking_main): Ditto.
10507 * tree-profile.c (tree_profiling): Ditto.
10508 * tree-vect-generic.c (expand_vector_operations): Ditto.
10509 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10510 * sched-rgn.c (rest_of_handle_sched): Ditto.
10511 (rest_of_handle_sched2): Ditto.
10512 * basic-block.h (free_bb_insn): Ditto.
10513 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10514 * tree-cfg.c (execute_build_cfg): Ditto.
10515 (remove_useless_stmts): Ditto.
10516 (split_critical_edges): Ditto.
10517 (execute_warn_function_return): Ditto.
10518 (execute_warn_function_noreturn): Ditto.
10519 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10520 * cfgrtl.c (free_bb_for_insn): Ditto.
10521 * passes.c (execute_one_pass): Run additional
10522 todos returned by execute function.
10523 * tree-pass.h (struct tree_opt_pass): Make execute
10526 2006-03-02 Richard Guenther <rguenther@suse.de>
10528 * tree-ssa-alias.c (find_used_portions): Consider taking
10529 the address as making the variable not write-only.
10531 2006-03-02 Nick Clifton <nickc@redhat.com>
10533 * config.gcc (default_use_cxa_atexit): Extend the description of
10534 this configure variable. Set its default value to "yes" for
10535 Linux, NetBSD and ELF targets on the assumption that they will
10536 use C libraries with the __cxa_atexit function.
10538 2006-03-02 Ben Elliston <bje@au.ibm.com>
10540 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10541 parameter as unused to suppress a build warning.
10543 2006-03-02 Ben Elliston <bje@au.ibm.com>
10545 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10548 2006-03-01 Roger Sayle <roger@eyesopen.com>
10551 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10552 declared name, the weak reference name, and the typeof name.
10553 (__gthrw): Avoid expanding the declared name suffix.
10554 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10556 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10558 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10560 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10561 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10562 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10563 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10564 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10565 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10566 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10567 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10568 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10569 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10570 (DW_END_default, DW_END_big, DW_END_little): New.
10571 (DW_END_lo_user, DW_END_hi_user): Define.
10572 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10573 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10574 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10577 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10579 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10581 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10583 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10585 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10587 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10588 to 'symbol_mem_tag'.
10590 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10593 2006-03-01 Roger Sayle <roger@eyesopen.com>
10595 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10597 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10600 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10601 MACHO_DYNAMIC_NO_PIC_P.
10602 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10604 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10607 * config/darwin-protos.h (darwin_asm_output_anchor):
10609 * config/darwin-sections.def (cstring_section):
10610 Add SECTION_MERGE to the flags.
10611 (literal4_section): Likewise.
10612 (literal8_section): Likewise.
10613 (objc_selector_refs_section): Likewise.
10614 (objc_cls_refs_section): Likewise.
10615 * config/darwin.c (darwin_asm_output_anchor): New
10617 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10619 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10621 Fix PR tree-optimization/26443
10622 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10623 to todo and PROP_tmt_usage to properties_destroyed.
10624 * tree-ssa-ccp.c (pass_ccp): Ditto.
10625 (pass_store_ccp): Ditto.
10626 * tree-ssa-dom.c (pass_dominator): Ditto.
10628 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10630 * tree-ssa-operands.c: Cleanup whitespace.
10631 (get_asm_expr_operands): Move before first invocation.
10632 (get_indirect_ref_operands): Likewise.
10633 (get_tmr_operands): Likewise.
10634 (get_call_expr_operands): Likewise.
10635 (append_def): Likewise.
10636 (append_use): Likewise.
10637 (append_v_may_def): Likewise.
10638 (append_v_must_def): Likewise.
10639 (add_call_clobber_ops): Likewise.
10640 (add_call_read_ops): Likewise.
10641 (add_stmt_operand): Likewise.
10642 (add_virtual_operand): Likewise.
10643 (build_ssa_operands): Likewise.
10645 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10647 PR middle-end/26022
10649 PR middle-end/24437
10650 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10651 with a call expr to ...
10652 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10654 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10656 * tree-vrp.c (extract_range_from_assert): Remove special
10657 handling for types with super-types.
10659 2006-03-01 Ben Elliston <bje@au.ibm.com>
10661 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10662 and powerpc64-*-linux* configurations.
10663 * config/t-dfprules: New file.
10665 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10666 Compile dfp-bit.c from the source directory using -DWIDTH and
10667 $DFP_CFLAGS to control the compilation of that file, rather than
10668 generating width-specific versions in the build directory.
10669 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10670 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10672 2006-02-28 Zack Weinberg <zackw@panix.com>
10674 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10677 2006-02-28 Eric Christopher <echristo@apple.com>
10679 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10680 Set up IN_LIBGCC definition of TARGET_64BIT.
10681 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10683 2006-02-28 Roger Sayle <roger@eyesopen.com>
10685 PR middle-end/14752
10686 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10687 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10688 cases via the construction of "expr != 0".
10690 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10692 * alias.c (alias_invariant, alias_invariant_size): Remove.
10693 (record_base_value): Remove.
10694 (memrefs_conflict_p): Don't look at alias_invariant.
10695 (end_alias_analysis): Don't free it.
10696 * alias.h (record_base_value): Remove prototype.
10698 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10699 Adam Nemet <anemet@caviumnetworks.com>
10701 * rtl.h (truncated_to_mode): Declare it.
10702 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10703 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10704 (RTL_HOOKS_INITIALIZER): Include it.
10705 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10706 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10707 reg_truncated_to_mode.
10708 * rtlanal.c (truncated_to_mode): Define it.
10709 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10711 2006-02-28 Jeff Law <law@redhat.com>
10713 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10714 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10715 the range allowed by TYPE_PRECISION.
10717 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10719 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10721 PR tree-optimization/26419
10722 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10725 2006-02-27 Zack Weinberg <zackw@panix.com>
10727 * doc/md.texi: Fix typo in previous change.
10729 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10733 2006-02-27 Zack Weinberg <zackw@panix.com>
10735 * rtl.def (define_constraint, define_register_constraint)
10736 (define_memory_constraint, define_address_constraint): New MD forms.
10737 * gensupport.c (process_rtx): Put define_constraint etc on the
10739 * genpreds.c (process_define_predicate): Adjust comment. Validate
10740 the name, and call validate_exp to validate the expression.
10741 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10742 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10743 all callers changed.
10744 (validate_exp, needs_variable, struct constraint_data)
10745 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10746 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10747 (const_dbl_constraints, constraint_max_namelen)
10748 (have_register_constraints, have_memory_constraints)
10749 (have_address_constraints, have_address_constraints)
10750 (have_extra_constraints, have_const_int_constraints)
10751 (have_const_dbl_constraints, mangle, add_constraint)
10752 (process_define_constraint, process_define_register_constraint)
10753 (write_enum_constraint_num, write_lookup_constraint)
10754 (write_insn_constraint_len, write_regclass_for_constraint)
10755 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10756 (write_insn_extra_memory_constraint)
10757 (write_insn_extra_address_constraint)
10758 (write_satisfies_constraint_fns): New.
10759 (write_tm_preds_h): If we have new-style constraint definitions,
10760 prototype the functions generated from them, and define the
10761 old constraint interface (still used by generic code) in terms of
10763 (write_insn_preds_c): If we have new-style constraint definitions,
10764 generate all relevant functions from those definitions.
10765 (main): Handle define_constraint etc.
10766 * genoutput.c (struct constraint_data, indep_constraints)
10767 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10768 (mdep_constraint_len): New data structures and functions, defined
10769 #ifdef USE_MD_CONSTRAINTS.
10770 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10771 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10772 use new logic to validate operand constraints against constraint
10774 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10776 * defaults.h: If none of the old-style constraint macros are
10777 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10778 old-style macros; and poison REG_CLASS_FROM_LETTER,
10779 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10781 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10782 * doc/md.texi: Document new constraint-definition mechanism and the
10783 C interface it provides. Remove references to old mechanism
10784 elsewhere in the document.
10785 (Machine Constraints): Use pathnames relative to gcc directory,
10786 i.e. config/ARCH/FILE. Change i386 section to refer to
10787 config/i386/predicates.md; update that section to match docstrings.
10788 * doc/tm.texi: Move all documentation of the old constraint-
10789 definition macros to their own section, clearly mark as obsolete.
10791 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10792 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10794 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10795 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10796 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10797 constraint strings.
10798 (splits and peepholes): Use satisfies_constraint_*.
10799 * config/i386/i386.c (memory_address_length)
10800 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10802 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10804 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10805 scalar operation to be put back into the loop.
10807 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10810 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10811 (extract_cie_info): Handle S flag in augmentation string.
10812 (execute_cfa_program): If context->signal_frame, execute also
10813 fs->pc == context->ra instructions.
10814 (uw_frame_state_for): If context->signal_frame, don't subtract one
10815 from context->ra to find FDE.
10816 (uw_update_context_1): Set context->signal_frame to
10818 (_Unwind_GetIPInfo): New function.
10819 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10820 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10822 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10823 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10824 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10825 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10826 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10827 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10828 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10829 x86_64_fallback_frame_state): Set fs->signal_frame.
10830 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10831 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10832 (frob_update_context): Likewise. Workaround missing S flag in
10833 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10834 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10835 Remove the psw_addr + 1 hack.
10837 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10839 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10840 with aggregates here.
10841 (find_func_aliases): Remove code for &<aggregate> from here.
10843 2006-02-26 Roger Sayle <roger@eyesopen.com>
10845 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10846 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10847 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10848 as (X & C) ne/eq 0.
10850 2006-02-26 Roger Sayle <roger@eyesopen.com>
10852 PR middle-end/19983
10853 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10855 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10857 * opts.c (decode_options): Do not handle flag_strength_reduce.
10858 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10859 and OPT_fstrength_reduce.
10860 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10861 flag_prefetch_loop_arrays for being nonzero.
10862 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10864 (fprefetch-loop-arrays-rtl): Removed.
10865 (flag_prefetch_loop_arrays): Do not specify the value.
10867 * doc/passes.texi: Update documentation of loop optimizer
10869 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10870 -frerun-loop-opt): Remove.
10872 2006-02-26 Richard Guenther <rguenther@suse.de>
10874 PR tree-optimization/26421
10875 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10876 in function calls that are ADDR_EXPRs as using the whole structure.
10878 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10880 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10881 * tree-pass.h (pass_loop_optimize): Remove.
10882 * passes.c (pass_loop_optimize): Never run it.
10883 * toplev.c (backend_init): Don't call init_loop.
10884 * opts.c (flag_loop_optimize_set): Remove.
10885 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10886 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10887 the old RTL loop optimizer when profiling enabled.
10888 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10889 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10890 pre-headers for the sake of the old RTL loop optimizer.
10891 * Makefile.in: Remove all references to loop.o.
10893 * doc/invoke.texi: Remove all references to -floop-optimize
10894 and -frerun-loop-opt.
10896 2006-02-26 Zack Weinberg <zackw@panix.com>
10898 * doc/md.texi (Machine Constraints): Refer to all files with paths
10899 relative to gcc directory (i.e. config/CPU/file). Add missing
10900 @table @code ... @end table to M32C subsection.
10902 2006-02-26 Roger Sayle <roger@eyesopen.com>
10904 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10906 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10908 2006-02-26 Roger Sayle <roger@eyesopen.com>
10909 James A. Morrison <phython@gcc.gnu.org>
10911 PR middle-end/21137
10912 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10913 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10914 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10915 signedness of the shift operation.
10917 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10919 PR tree-optimization/26359
10920 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10922 2006-02-25 Roger Sayle <roger@eyesopen.com>
10924 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10925 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10926 as X == 0, and some symmetry related transformations.
10927 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10929 2006-02-25 Roger Sayle <roger@eyesopen.com>
10931 PR middle-end/23673
10932 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10933 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10934 symmetry related transformations. Fold (X^C1) == C2 as
10937 2006-02-25 Juergen Weigert <jw@suse.de>
10938 Richard Guenther <rguenther@suse.de>
10940 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10942 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10944 * combine.c (gen_lowpart_or_truncate): Call
10945 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10947 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10949 * doc/invoke.texi: Move -fopenmp description to "Options for
10951 Remove reference to -lgomp.
10953 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10955 * doc/install.texi: Require GNU tar version 1.14.
10957 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10959 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10960 * doc/invoke.texi (C++ Dialect Options): Document
10961 -fno-use-cxa-get-exception-ptr.
10962 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10963 * configure: Regenerate.
10964 * c.opt (fuse-cxa-get-exception-ptr): New.
10965 * c-opts.c (c_common_handle_option): Handle
10966 OPT_fuse_cxa_get_exception_ptr.
10967 * c-common.c (flag_use_cxa_atexit): Update documentation.
10968 (flag_use_cxa_get_exception_ptr): New.
10969 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10970 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10972 (C_COMMON_OVERRIDE_OPTIONS): New.
10974 2006-02-24 Roger Sayle <roger@eyesopen.com>
10976 PR middle-end/24952
10977 * combine.c (try_combine): Explicitly check whether GET_CODE is
10978 a SET or a CLOBBER, instead on checking that it isn't a USE.
10980 2006-02-24 Roger Sayle <roger@eyesopen.com>
10982 * fold-const.c (fold_comparison): New subroutine of fold_binary
10983 containing transformations common to both the equality and
10984 ordering relational operators, factored out of fold_binary.
10985 (fold_binary): Separate out the equality operators (EQ_EXPR
10986 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10987 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10988 transformations common to both.
10989 (fold_div_compare): Fix latent bugs in the previously unreachable
10990 LT_EXPR and GE_EXPR cases.
10992 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10994 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10995 decl libname for clog to __clog on AIX.
10997 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10999 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11002 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11003 output traceback table for thunks. Localise rs6000_stack_info call.
11005 2006-02-23 Roger Sayle <roger@eyesopen.com>
11006 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11008 * gthr-posix.h (__gthrw): Fix typo in comment.
11010 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11012 * doc/cpp.texi (Character sets): Document that we do support
11013 input files to be in any character set.
11015 2006-02-23 Jeff Law <law@redhat.com>
11017 * tree.h (PHI_ARG_NONZERO): Remove.
11018 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11019 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11020 node to the new node.
11022 PR tree-optimization/26425
11023 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11024 min/max, then assume its varying.
11026 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11028 PR rtl-optimization/26316
11029 * rtlanal.c (enum may_trap_p_flags): New.
11030 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11031 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11032 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11033 (may_trap_after_code_motion_p): New function.
11034 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11035 (find_invariant_insn): Use may_trap_after_code_motion_p.
11036 * rtl.h (may_trap_after_code_motion_p): Declare.
11038 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11040 * emit-rtl.c (immed_double_const): Cleanup.
11042 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11044 Fix PR tree-optimization/26376
11045 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11048 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11050 PR middle-end/26412
11051 * gimplify.c (omp_add_variable): Guard variable size decl test with
11052 DECL_SIZE (decl) check.
11054 2006-02-23 Richard Guenther <rguenther@suse.de>
11056 PR middle-end/26439
11057 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11058 like aggregate types.
11060 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11062 * configure.ac: Add --with{,out}-long-double-128 configure option.
11063 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11064 * configure: Rebuilt.
11065 * config.in: Rebuilt.
11066 * doc/install.texi (Options specification): Document
11067 --with-long-double-128.
11069 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11070 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11071 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11072 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11074 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11076 * config/s390/s390.c (override_options): Handle
11077 TARGET_DEFAULT_LONG_DOUBLE_128.
11079 * config/alpha/alpha.c (override_options): Handle
11080 TARGET_DEFAULT_LONG_DOUBLE_128.
11082 * config/sparc/sparc.c (sparc_override_options): Handle
11083 TARGET_DEFAULT_LONG_DOUBLE_128.
11085 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11087 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11088 (real-install-headers-tar, real-install-headers-cpio)
11089 (real-install-headers-cp): New targets.
11091 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11093 * tree.h (variable_section): Delete.
11094 * varasm.c (variable_section): Delete.
11096 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11098 * install.texi: Add notes on install.texi2html.
11099 (Building in parallel): Do not use footnotes.
11101 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11104 * doc/install.texi (Configuration): Document --disable-libgomp.
11106 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11108 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11110 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11112 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11113 (vec_extractv2df_0_sse): New.
11115 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11117 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11118 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11119 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11120 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11121 to the result of the expression.
11122 (def_cfa_1): Adjust.
11123 (frame_pointer_cfa_offset): Rename to...
11124 (frame_pointer_fb_offset): ... this. Adjust all uses.
11125 (convert_cfa_to_loc_list): Rename to...
11126 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11127 Pass it on to build_cfa_loc.
11128 (compute_frame_pointer_to_cfa_displacement): Rename to...
11129 (compute_frame_pointer_to_fb_displacement): ... this. New
11130 offset parameter. Use it in computation.
11131 (gen_subprogram_die): Compute cfa_fb_offset with the new
11132 macro, and use it to compute the fb loc list and the
11135 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11137 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11138 replaced with register_operand.
11139 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11140 non-DREG is expensive.
11141 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11142 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11145 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11147 * doc/install.texi2html: Use set -e.
11149 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11151 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11152 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11153 * doc/invoke.texi (-fshared-data): Delete.
11154 * common.opt (fshared-data): Delete.
11155 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11156 (assemble_static_space): Remove #if 0 code.
11157 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11158 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11159 * config/cris/cris.h: Remove FIXME.
11161 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11163 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11166 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11168 PR middle-end/26379
11169 * combine.c (simplify_shift_const_1): Disable nested shifts
11170 optimization for vector shifts.
11172 2006-02-20 Roger Sayle <roger@eyesopen.com>
11174 PR tree-optimization/26361
11175 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11176 of unsigned integer types.
11178 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11180 * tree-chrec.c (eq_evolutions_p): New.
11181 * tree-chrec.h (eq_evolutions_p): Declared.
11182 * tree-data-ref.c: Fix formatting.
11183 (datadep_stats, dependence_stats): New.
11185 (print_direction_vector): New.
11186 (dump_data_dependence_relation): Use print_direction_vector.
11187 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11188 (compute_subscript_distance): Static.
11189 (initialize_data_dependence_relation): Static. Get the number
11190 of loops surrounding the references from the callers, and initialize
11191 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11192 base_object_differ_p analyzers.
11193 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11194 compute_overlap_steps_for_affine_1_2,
11195 analyze_subscript_affine_affine): Count the classified dependences.
11196 Print a message when a test failed.
11197 (can_use_analyze_subscript_affine_affine): New.
11198 (analyze_siv_subscript): Compute the data dependences on symbolic
11199 scevs that verify can_use_analyze_subscript_affine_affine.
11200 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11201 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11202 Handle symbolic scevs.
11203 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11205 (subscript_dependence_tester): Moved...
11206 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11207 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11208 DDR_SIZE_VECT instead of getting it in parameter.
11209 (subscript_dependence_tester): ... here. Take as a parameter
11210 loop_nest_depth. Call build_classic_dist_vector and
11211 build_classic_dir_vector.
11212 (compute_affine_dependence): Update subscript_dependence_tester
11213 parameters. Update datadep_stats counters. Call
11214 compute_subscript_distance.
11215 (compute_self_dependence): Save the dist and dir vectors. Call
11216 compute_subscript_distance.
11217 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11218 (compute_all_dependences): Reorder parameters as they were before
11219 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11220 compute_subscript_distance. Update the use of
11221 compute_affine_dependence and initialize_data_dependence_relation.
11222 (find_data_references_in_loop): Handle COMPONENT_REF.
11223 (compute_data_dependences_for_loop): Initialize dependence_stats.
11224 Don't call build_classic_dist_vector and build_classic_dir_vector.
11225 Update the parameters of initialize_data_dependence_relation and
11226 compute_all_dependences. Print the statistics from datadep_stats.
11227 (analyze_all_data_dependences): Static. Not used until the pass for
11228 checking the data dependences is contributed.
11229 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11230 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11231 (initialize_data_dependence_relation, compute_affine_dependence,
11232 analyze_all_data_dependences, compute_subscript_distance): Removed.
11233 (print_direction_vector): New.
11234 * lambda.h (gcd): ... here.
11235 (lambda_vector_gcd): Moved here from gcd_vector.
11236 * lambda-code.c (gcd, gcd_vector): Removed.
11237 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11238 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11240 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11242 * ipa-type-escape.c: Tidy some comments and white space.
11243 * tree-ssa-operands.c: Likewise.
11245 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11248 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11249 (dump_decl_name): Do not walk the decl tree chains.
11250 * tree-pass.h (TDF_CHAIN): Remove.
11252 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11254 * Makefile.in (C): Remove
11256 (.PHONY): Remove C and PROTO
11258 2006-02-20 Roger Sayle <roger@eyesopen.com>
11260 PR middle-end/26236
11261 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11262 deprecated CHAR_TYPE tree code.
11264 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11266 * configure.ac (target_list): Add install-info, dvi, html.
11267 * configure: Regenerate.
11269 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11270 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11271 treelang/Make-lang.in: Do not use double-colon rules.
11273 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11275 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11276 (TMT_USED_ALONE): New macro.
11277 * tree-pass.h (PROP_tmt_usage): New property.
11278 (TODO_update_tmt_usage): New todo.
11279 * tree-ssa-alias.c (updating_used_alone): New variable.
11280 (recalculate_used_alone): New function.
11281 (compute_may_aliases): Set updating_used_alone, call
11282 recalculate_used_alone.
11283 * tree-sra.c (pass_sra): Note that this pass destroys
11284 PROP_tmt_usage, and add TODO_update_tmt_usage.
11285 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11286 * tree-flow.h (updating_used_alone): Prototype.
11287 (recalculate_used_alone): Ditto.
11288 * passes.c (execute_todo): Add code to set updating_used_alone,
11289 and call recalculate.
11290 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11291 for clobber if used alone, and add assert to verify used_alone
11294 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11296 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11297 for non tls symbols added.
11298 (legitimize_address): Do nothing for PLUS expressions if one of the
11299 addends is a tls symbol reference.
11301 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11305 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11307 * Makefile.in (BOOTSTRAPPING): New.
11308 (quickstrap): New definition if BOOTSTRAPPING=yes.
11310 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11311 * configure.ac: Substitute all_selected_languages with the languages
11312 that were configured. For all the other variables except
11313 lang_specs_files, include all the languages in the tree.
11314 * configure: Regenerate.
11316 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11317 if there is one. Run the commands to run fixincludes in the same
11320 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11321 * doc/install.texi: Document exact conventions for searching target tools.
11322 Document --with-build-time-tools. Document toplevel bootstrap. Document
11323 something more about building an Ada cross-compiler. Don't list GNU Make
11324 requirements which affect all platforms.
11326 2006-02-19 Roger Sayle <roger@eyesopen.com>
11328 PR middle-end/19543
11329 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11330 only equivalent if the have both the same mode and precision.
11332 2006-02-20 Ben Elliston <bje@au.ibm.com>
11334 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11336 2006-02-19 Roger Sayle <roger@eyesopen.com>
11337 Steven Bosscher <stevenb.gcc@gmail.com>
11339 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11340 constant pool references to identify stack mode constants.
11341 * rtlanal.c (constant_pool_constant_p): New predicate to check
11342 whether operand is a floating point constant in the pool.
11343 * rtl.h (constant_pool_constant_p): Prototype here.
11344 * loop.c (scan_loop): Avoid hoisting constants from the constant
11345 pool on STACK_REGS targets.
11346 (load_mems): Likewise.
11347 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11348 loads into x87 registers expensive in terms of register pressure.
11350 2006-02-19 Roger Sayle <roger@eyesopen.com>
11352 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11353 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11355 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11357 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11358 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11360 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11362 * doc/invoke.texi: Document -fipa-pta.
11363 * common.opt: Add ipa-pta option.
11364 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11365 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11366 (do_ds_constraint): Ditto.
11367 (get_constraint_for): Only add to referenced_vars if
11368 referenced_vars exists.
11369 (insert_into_field_list): Rewrite to do this unsorted.
11370 (insert_into_field_list_sorted): Rename old insert_into_field_list
11372 (create_function_info_for): Use insert_into_field_list_sorted.
11373 (create_variable_info_for): Rewrite so it uses unsorted version,
11374 since the field list is sorted.
11375 (intra_create_variable_infos): Only add to referenced_vars if
11376 referenced_vars exists.
11377 (ipa_pta_execute): Init heapvars, and delete when done.
11378 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11380 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11382 * doc/install.texi: Add missing `@samp'.
11384 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11386 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11389 2006-02-18 Mark Wielaard <mark@klomp.org>
11391 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11392 who added new 4.1 features, bug fixes and integration support.
11394 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11397 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11398 MEM for ABI_V4 pic.
11400 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11402 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11403 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11404 (copy_insn_1): Likewise. Don't copy each field individually.
11406 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11408 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11409 * rtl.c (rtx_size): Rename variable to...
11410 (rtx_code_size): ...this.
11411 (rtx_size): New function.
11412 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11413 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11415 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11416 * rtl.h (rtx_code_size): New variable.
11417 (rtx_size): Change from a variable to a function.
11418 (RTX_SIZE): Rename to...
11419 (RTX_CODE_SIZE): ...this.
11422 PR tree-optimization/17106
11423 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11424 (Anchored Addresses): New section.
11425 * doc/invoke.texi (-fsection-anchors): Document.
11426 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11427 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11428 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11429 * hooks.c (hook_bool_mode_rtx_false): New function.
11430 * hooks.h (hook_bool_mode_rtx_false): Declare.
11431 * gengtype.c (create_optional_field): New function.
11432 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11433 SYMBOL_REF_IN_BLOCK_P is true.
11434 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11435 (min_anchor_offset, max_anchor_offset): Likewise.
11436 (use_anchors_for_symbol_p): New hook.
11437 * toplev.c (compile_file): Call output_object_blocks.
11438 (target_supports_section_anchors_p): New function.
11439 (process_options): Check that -fsection-anchors is only used on
11440 targets that support it and when -funit-at-a-time is in effect.
11441 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11442 if the decl doesn't have one.
11443 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11444 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11445 of force_const_mem through use_anchored_address.
11446 (expand_expr_constant): New function.
11447 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11448 calling expand_expr for INDIRECT_REF.
11449 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11450 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11451 * expr.h (use_anchored_address): Declare.
11452 * loop-unroll.c: Don't declare rtx vectors here.
11453 * explow.c: Include output.h.
11454 (validize_mem): Call use_anchored_address.
11455 (use_anchored_address): New function.
11456 * common.opt (-fsection-anchors): New switch.
11457 * varasm.c (object_block_htab, anchor_labelno): New variables.
11458 (hash_section, object_block_entry_eq, object_block_entry_hash)
11459 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11460 (use_blocks_for_decl_p, change_symbol_section): New functions.
11461 (get_variable_section): New function, split out from assemble_variable.
11462 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11463 use_blocks_for_decl_p say so. Use change_symbol_section if the
11464 symbol has already been created.
11465 (assemble_variable_contents): New function, split out from...
11466 (assemble_variable): ...here. Don't output any code for
11467 block symbols; just pass them to place_block_symbol.
11468 Use get_variable_section and assemble_variable_contents.
11469 (get_constant_alignment, get_constant_section, get_constant_size): New
11470 functions, split from output_constant_def_contents.
11471 (build_constant_desc): Create a block symbol if use_object_blocks_p
11472 says so. Or into SYMBOL_REF_FLAGS.
11473 (assemble_constant_contents): New function, split from...
11474 (output_constant_def_contents): ...here. Don't output any code
11475 for block symbols; just pass them to place_section_symbol.
11476 Use get_constant_section and get_constant_alignment.
11477 (force_const_mem): Create a block symbol if use_object_blocks_p and
11478 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11479 (output_constant_pool_1): Add an explicit alignment argument.
11480 Don't switch sections here.
11481 (output_constant_pool): Adjust call to output_constant_pool_1.
11482 Switch sections here instead. Don't output anything for block symbols;
11483 just pass them to place_block_symbol.
11484 (init_varasm_once): Initialize object_block_htab.
11485 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11486 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11487 (place_block_symbol, get_section_anchor, output_object_block)
11488 (output_object_block_htab, output_object_blocks): New functions.
11489 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11490 (TARGET_ASM_OUT): Include it.
11491 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11492 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11493 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11494 (TARGET_INITIALIZER): Include them.
11495 * rtl.c (rtl_check_failed_block_symbol): New function.
11496 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11497 (block_symbol, object_block): New structures.
11498 (rtx_def): Add a block_symbol field to the union.
11499 (BLOCK_SYMBOL_CHECK): New macro.
11500 (rtl_check_failed_block_symbol): Declare.
11501 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11502 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11503 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11504 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11505 * output.h (output_section_symbols): Declare.
11506 (object_block): Name structure.
11507 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11508 (default_use_anchors_for_symbol_p): Declare.
11509 * Makefile.in (RTL_BASE_H): Add vec.h.
11510 (explow.o): Depend on output.h.
11511 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11512 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11513 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11514 (rs6000_use_blocks_for_constant_p): New function.
11516 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11518 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11520 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11523 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11526 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11528 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11532 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11534 PR middle-end/26334
11535 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11536 instead of DECL_REGISTER.
11538 2006-02-18 Olivier Hainque <hainque@adacore.com>
11541 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11543 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11546 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11547 * opth-gen.awk: Handle Var and InverseMask together.
11548 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11549 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11550 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11551 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11553 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11554 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11555 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11556 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11557 LINUX_DYNAMIC_LINKER): Define.
11558 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11559 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11561 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11562 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11563 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11564 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11565 (TARGET_C99_FUNCTIONS): Don't define.
11566 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11567 GLIBC_DYNAMIC_LINKER.
11568 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11569 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11570 GLIBC_DYNAMIC_LINKER64): Define.
11571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11572 LINUX_DYNAMIC_LINKER64.
11573 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11575 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11577 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11579 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11580 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11581 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11583 and LINUX_DYNAMIC_LINKER32.
11584 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11586 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11588 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11590 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11591 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11592 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11593 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11594 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11595 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11596 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11597 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11598 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11599 LINUX_DYNAMIC_LINKER): Define.
11600 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11601 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11602 GLIBC_DYNAMIC_LINKER64): Define.
11603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11604 LINUX_DYNAMIC_LINKER64.
11605 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11606 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11607 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11608 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11609 LINUX_DYNAMIC_LINKER): Define.
11610 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11611 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11612 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11613 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11614 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11615 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11616 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11617 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11618 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11619 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11621 * doc/invoke.texi (-muclibc): Remove caveat about supported
11624 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11626 * doc/cpp.texi (__TIMESTAMP__): Document.
11628 2006-02-17 Roger Sayle <roger@eyesopen.com>
11630 PR middle-end/25600
11631 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11632 C is one less than the width of X (and related transformations).
11633 * simplify-rtx.c (simplify_unary_operation_1): Transform
11634 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11635 depending on STORE_FLAG_VALUE, were C is one less then the
11638 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11640 Fix PR tree-optimization/26341
11641 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11642 about NAME_MEMORY_TAG's.
11644 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11647 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11648 with hardware float support, and software float support. Add fcpy
11649 alternative to hardware patterns. Add alternatives to copy between
11650 general and floating-point registers to the 32-bit pattern.
11651 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11652 secondary reload to load a QI or HI mode constant into a floating
11654 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11655 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11657 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11660 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11662 (load_macho_picbase_di): Likewise.
11664 2006-02-16 Jeff Law <law@redhat.com>
11666 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11667 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11668 (ssa_name_nonzero_p): Likewise.
11669 (get_value_range): Return NULL if VRP is not running.
11670 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11671 VRP routines do not discover a range.
11672 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11673 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11674 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11675 (tree_expr_nonnegative_p): Similarly.
11676 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11677 (restore_nonzero_vars_to_original_value): Remove.
11678 (unsafe_associative_fp_binop): Remove.
11679 (tree_ssa_dominator_optimize): Remove initialization and
11680 finalization of nonzero_vars and nonzero_vars_stack.
11681 (dom_opt_initialize_block): No longer push marker on
11682 nonzero_vars_stack.
11683 (dom_opt_finalize_block): No longer call
11684 restore_nonzero_vars_to_original_value.
11685 (record_equivalences_from_phis): No longer look for
11686 nonzero PHI arguments.
11687 (cprop_into_successor_phis): No longer propagate nonzero
11688 property into PHI arguments. Lose unused argument. Caller
11690 (record_equivalences_from_stmt): No longer record nonzero
11691 values for SSA_NAMEs.
11692 (lookup_avail_expr): No longer use nonzero_vars.
11694 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11695 for sizetype when sizetype is unsigned.
11697 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11699 PR rtl-optimization/25603
11700 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11701 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11702 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11703 with new meaning of SETS.
11705 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11710 * config/linux.opt: New file.
11711 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11712 LINUX_DYNAMIC_LINKER): Define.
11713 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11714 * config.gcc (*-*-linux*): Define extra_options.
11715 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11716 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11717 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11718 GLIBC_DYNAMIC_LINKER.
11719 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11720 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11721 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11723 * doc/invoke.texi (GNU/Linux Options): New section.
11725 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11727 * config/sparc/sparc.md (setjmp): Rewrite.
11728 (setjmp_32): Delete.
11729 (setjmp_64): Likewise.
11731 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11733 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11736 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11738 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11741 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11743 PR rtl-optimization/26296
11744 * Makefile.in (loop-invariant.c): Add except.h dependency.
11745 * loop-invariant.c: Include except.h.
11746 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11748 2005-02-16 Paul Brook <paul@codesourcery.com>
11750 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11753 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11755 PR rtl-optimization/25636
11756 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11757 when deciding whether an insn is an initializing insn.
11759 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11761 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11762 (tree_code_size): Ditto.
11763 * tree.h (struct tree_memory_tag): Remove parent_var.
11764 (struct tree_struct_field_tag): New.
11767 (union tree_node): Add sft member.
11768 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11770 (create_sft): Add size and offset argument, set SFT_OFFSET and
11772 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11773 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11774 * tree-flow-inline.h (get_subvar_at): Update for
11775 SFT_OFFSET/SFT_SIZE.
11776 (var_can_have_subvars): Ditto.
11777 (overlap_subvar): Ditto.
11778 * print-tree.c (print_node): Print out interesting things for
11780 * tree-flow.h (struct subvar): Remove offset and size members.
11781 * tree-ssa-operands.c (get_expr_operands): Update for
11782 get_indirect_ref_operands changes.
11783 (get_indirect_ref_operands): Call add_virtual_operand instead of
11784 add_stmt_operand. Only recurse on base var if requested.
11785 (access_can_touch_variable): New function.
11786 (add_stmt_operand): Split virtual operand handling into ...
11787 (add_virtual_operand): Here. Add offset, size, and for_clobber
11788 arguments. Prune alias sets.
11789 (add_call_clobber_ops): Call add_virtual_operand.
11791 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11793 PR middle-end/26300
11794 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11796 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11797 than TREE_CODE as index into omp_clause_num_ops array.
11799 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11801 PR rtl-optimization/26184
11802 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11804 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11805 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11806 must_precede, must_follow and tobe_scheduled.
11809 * opts.c (common_handle_option): Free new_option pointer.
11810 * df-core.c (df_analyze): Free postorder pointer.
11812 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11814 * Makefile.in: Fix the examples about the use of stamps
11816 2006-02-15 Michael Matz <matz@suse.de>
11818 PR middle-end/22275
11820 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11821 influenced by maximum_field_alignment or DECL_PACKED.
11822 (update_alignment_for_field): Ditto.
11823 (place_field): Ditto.
11824 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11827 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11829 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11830 (debug_flow_info): Pass it.
11831 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11832 * bb-reorder.c (reorder_basic_blocks): Likewise.
11833 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11834 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11835 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11836 * gcse.c (gcse_main, bypass_jumps): Likewise.
11837 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11838 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11839 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11840 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11841 * rtl.h (dump_flow_info): Adjust prototype.
11842 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11843 * var-tracking.c (variable_tracking_main): Likewise.
11844 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11845 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11848 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11850 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11853 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11855 PR tree-optimization/26209
11856 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11857 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11859 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11861 2006-02-14 Roger Sayle <roger@eyesopen.com>
11863 PR middle-end/23670
11864 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11865 (X,Y) and the corresponding symmetry related transformations.
11866 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11867 (X,Y) and its symmetry related transformations.
11869 2006-02-14 Roger Sayle <roger@eyesopen.com>
11871 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11874 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11876 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11878 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11881 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11882 support COMDAT group.
11883 * configure: Regenerate.
11885 2006-02-14 Roger Sayle <roger@eyesopen.com>
11887 PR middle-end/26279
11888 PR middle-end/26280
11889 PR middle-end/26283
11890 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11892 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11894 Fix PR tree-optimization/26260
11896 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11898 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11899 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11900 * tree-ssa-structalias.c (create_variable_info_for): Use
11901 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11903 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11905 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11907 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11908 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11909 of the ending condition.
11910 * tree-ssa-loop-manip.c: Include params.h.
11911 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11912 tree_unroll_loop): New functions.
11913 * tree-pass.h (pass_loop_prefetch): Declare.
11914 * loop.c (rest_of_handle_loop_optimize): Test for
11915 -fprefetch-loop-arrays-rtl.
11916 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11917 * timevar.def (TV_TREE_PREFETCH): New timevar.
11918 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11919 pass_loop_prefetch): New.
11920 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11921 (cleanup_tree_cfg_loop): Call scev_reset.
11922 * common.opt (fprefetch-loop-arrays-rtl): Add.
11923 * tree-ssa-loop-prefetch.c: New file.
11924 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11925 (new_temp_expr_table): Initialize expr_vars.
11926 (free_temp_expr_table): Cleanup expr_vars.
11927 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11928 expressions from being merged into one.
11929 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11930 (struct tree_niter_desc): Add control, bound and cmp fields.
11931 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11933 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11934 (tree-cfgcleanup.o): Add SCEV_H dependency.
11935 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11936 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11938 2006-02-14 Richard Guenther <rguenther@suse.de>
11940 PR tree-optimization/26258
11941 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11942 in PHI argument processing.
11944 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11946 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11947 new expression in the requested machine mode.
11949 2006-02-13 Roger Sayle <roger@eyesopen.com>
11951 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11952 directly, instead let do_compare_rtx_and_jump handle this for us.
11953 * expr.c (expand_expr_real_1): Likewise.
11954 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11955 before do_jump_by_parts_greater.
11956 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11957 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11959 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11961 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11963 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11965 PR rtl-optimization/26235
11966 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11967 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11970 2006-02-13 Jeff Law <law@redhat.com>
11972 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11975 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11977 PR middle-end/26092
11978 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11979 twice if decl is a builtin. When trying again, call get_callee_fndecl
11980 first to verify it is still a builtin.
11982 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11984 * dwarf2out.c (base_type_die): Don't add AT_name here.
11985 (subrange_type_die): Don't add AT_name here.
11986 (modified_type_die): Rearrange code flow. Do add AT_name here.
11988 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11990 PR rtl-optimization/26247
11991 PR rtl-optimization/26248
11992 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11994 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11996 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11997 * config/fixtfdi.c: Likewise.
11998 * config/fixunstfdi.c: Likewise.
11999 * config/floatditf.c: Likewise.
12001 2006-02-13 Roger Sayle <roger@eyesopen.com>
12003 PR middle-end/24427
12004 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12005 into (X,C2) if C1 is a subset of the bits of C2. Transform
12006 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12008 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12010 2006-02-13 Josh Conner <jconner@apple.com>
12013 * varasm.c (function_section): Check for section name before
12014 calling select_section on targets that define
12015 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12016 unlikely_text_section instead of hot_function_section if
12017 first_function_block_is_cold.
12019 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12021 PR middle-end/25335
12022 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12024 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12026 PR rtl-optimization/26222
12027 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12028 after tree->rtl expansion.
12029 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12030 before passing it to emit_move_insn.
12032 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12034 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12036 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12037 Clarify documentation.
12038 * c-common.h (warn_write_strings): Remove.
12039 * c-common.c (warn_write_strings): Likewise.
12040 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12043 2006-02-12 Roger Sayle <roger@eyesopen.com>
12045 PR middle-end/25724
12046 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12047 (do_jump_parts_zero_rtx): New function renamed from
12048 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12049 (do_jump_parts_equality_rtx): New function split out from
12050 do_jump_parts_equality. Old implementation renamed as above.
12051 Call do_jump_parts_zero_rtx if either operand is zero.
12052 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12053 do all of the heavy lifting.
12054 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12055 calling either do_jump_by_parts_greater_rtx or
12056 do_jump_by_parts_equality_rtx.
12057 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12058 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12059 moved to do_compare_rtx_and_jump, call it directly.
12060 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12061 mode argument. Call do_compare_rtx_and_jump.
12062 (emit_case_nodes): Update calls to do_jump_if_equal.
12064 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12066 PR rtl-optimization/26225
12067 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12069 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12071 PR rtl-optimization/26232
12072 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12074 2006-02-11 Jason Merrill <jason@redhat.com>
12077 * tree-inline.c (declare_return_variable): Just don't use the
12078 modify target if it's a gimple complex reg and the return slot
12081 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12083 * doc/contrib.texi: Update my entry.
12085 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12087 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12089 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12091 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12094 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12096 * doc/invoke.texi (-floop-optimize2): Removed.
12097 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12098 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12099 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12100 * common.opt (floop-optimize2): Removed.
12101 (fmove-loop-invariants): Enabled by default.
12103 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12105 * tree-if-conv.c (combine_blocks): Free the result of
12106 get_loop_exit_edges.
12108 2006-02-10 Jeff Law <law@redhat.com>
12110 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12112 PR tree-optimization/26213
12113 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12114 loop trying to follow SSA_NAME_VALUE chains.
12116 2006-02-10 Richard Guenther <rguenther@suse.de>
12118 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12119 deal with structures that end in implicitly variable sized arrays.
12121 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12123 PR rtl-optimization/24762
12124 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12127 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12129 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12130 (struct ivopts_data): Add regs_used field.
12131 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12132 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12133 instead of loop_data->regs_used;
12134 (free_loop_data): Do not free aux fields for loops.
12135 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12136 and tree_ssa_iv_optimize_finalize.
12138 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12140 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12142 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12145 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12146 computing the effective result type.
12148 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12150 PR inline-asm/16194
12151 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12152 (tree_overlaps_hard_reg_set): Declare.
12153 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12154 type and signature to match function type expected by walk_tree.
12155 (tree_overlaps_hard_reg_set): New function.
12156 (decl_conflicts_with_clobbers_p): Rename to:
12157 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12158 Use tree_overlaps_hard_reg_set. Changed caller.
12159 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12160 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12161 * cris.c (cris_md_asm_clobbers): Likewise.
12163 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12165 * reload1.c (emit_input_reload_insns): Delete code that tries to
12166 inherit using find_equiv_reg.
12168 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12170 * c-common.h (flag_const_strings): Don't declare.
12171 * c-common.c (flag_const_strings): Remove.
12172 * c.opt (fconst_strings): Remove.
12173 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12174 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12175 (c_common_init_options): Don't set flag_const_strings.
12176 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12178 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12180 * arm.md (tlobits_cbranch): New pattern.
12181 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12182 testing a single bit.
12184 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12187 * tree-ssa-pre.c (create_component_ref_by_pieces):
12188 Handle RETURN_DECL like VAR_DECL.
12190 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12192 PR middle-end/26134
12193 * fold-const.c (fold_indirect_ref_1): Fold
12194 "*(foo *)&complexfoo" to "__real__ complexfoo"
12195 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12197 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12199 * tree-flow-inline.h (var_can_have_subvars):
12200 Volatile variables should not have subvariables.
12202 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12205 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12206 multiplying unsigned values.
12209 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12211 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12213 2006-02-08 Jason Merrill <jason@redhat.com>
12216 * tree.def: Elaborate on difference from MODIFY_EXPR.
12217 * doc/c-tree.texi (INIT_EXPR): Likewise.
12218 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12219 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12220 (gimplify_target_expr): Likewise.
12221 (gimplify_cond_expr): Remove target handling.
12222 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12223 (gimplify_expr): Clobber it here.
12224 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12225 Do return slot optimization if we have an INIT_EXPR.
12228 * tree-inline.c (declare_return_variable): Also clear
12229 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12232 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12234 PR middle-end/22439
12235 * gimplify.c (gimplify_one_sizepos): Fix typo.
12237 2006-02-08 Jeff Law <law@redhat.com>
12239 PR tree-optimization/21417
12240 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12241 across a backedge if the control statement at the end of the
12242 block is data dependent on other statements in the same block.
12243 (record_temporary_equivalences_from_stmts): Remove over-conservative
12244 test for threading across backedges.
12246 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12247 control statement, handle all three special cases in the same
12248 manner as they all have the same desired solution. No longer
12249 special case edge flag updating when the post dominator is
12252 2006-02-08 Roger Sayle <roger@eyesopen.com>
12254 * tree.def (CHAR_TYPE): Remove.
12255 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12256 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12257 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12258 (gen_string_type_die): Delete unreachable function.
12260 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12261 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12262 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12263 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12264 * builtins.c (type_to_class): Likewise.
12265 * fold-const.c (fold_convert, build_range_check,
12266 merge_ranges): Likewise.
12267 * expr.c (count_type_elements): Likewise.
12268 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12269 * stor-layout.c (layout_type): Likewise.
12270 * ipa-type-escape.c (type_to_consider): Likewise.
12271 * gimplify.c (omp_firstprivatize_type_sizes,
12272 gimplify_type_sizes): Likewise.
12273 * explow.c (promote_mode): Likewise.
12274 * tree-sra.c (is_sra_scalar_type): Likewise.
12275 * varasm.c (output_constant): Likewise.
12276 * tree-inline.c (remap_type_1): Likewise.
12277 * convert.c (convert_to_pointer, convert_to_real,
12278 convert_to_integer, convert_to_complex): Likewise.
12280 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12282 * df-scan.c (df_def_record_1): A set destination may
12283 be a parallel regardless of mode.
12285 2006-02-08 Roger Sayle <roger@eyesopen.com>
12288 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12289 * config/mips/_tilib.c: Remove.
12290 * config/fixtfdi.c: New libgcc source file.
12291 * config/fixunstfdi.c: New source file.
12292 * config/floatditf.c: New source file.
12293 * config/floatunditf.c: New souce file.
12294 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12295 files above instead of config/mips/_tilib.c.
12296 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12298 2006-02-08 Jeff Law <law@redhat.com>
12300 PR tree-optimization/26169
12301 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12304 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12306 * df.h (DF_REG_SIZE): Return the length of the initialized
12309 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12311 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12312 __muldf3): Return a correctly signed zero.
12314 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12316 * passes.c (register_one_dump_file): Accept the current properties
12317 instead of pass number. Adjust call to dump_register. Remove
12319 (register_dump_files): Now a wrapper around...
12320 (register_dump_files_1): ... this one. Do not modify the pass
12322 (next_pass_1): Cosmetic fix.
12323 (execute_todo): Keep second parameter only. Use curr_properties
12324 instead of fetching it from the pass structure. Check and set
12326 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12327 instead of fetching it from the pass structure. Fix calls to
12328 execute_todo. Update curr_properties and initialize .vcg RTL dump
12329 after running the pass. Reset last_verified.
12330 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12332 (FIRST_AUTO_NUMBERED_DUMP): New.
12333 (dump_register): Remove "num" parameter, assign it within the
12335 (get_dump_file_name): Modify template for dumps.
12336 * tree-dump.h (dump_register): Adjust prototype.
12337 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12338 (PROP_trees): Add PROP_gimple_lomp.
12339 (TODO_set_props): New.
12340 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12341 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12342 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12344 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12346 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12347 (sparc64-*-linux*): Likewise.
12348 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12349 * config/sparc/t-linux: New file.
12350 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12351 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12352 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12353 -m32 -mlong-double-128.
12355 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12356 * config/alpha/t-linux: New file.
12357 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12359 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12360 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12361 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12362 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12363 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12364 (CPP_ARCH32_SPEC): Remove.
12366 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12368 PR tree-optimization/26145
12369 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12372 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12375 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12376 >= 240000 when generating code for SOM runtime.
12377 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12378 to $$dyncall when generating code for SOM runtime..
12380 2006-02-07 Dirk Mueller <dmueller@suse.com>
12383 * doc/invoke.texi (-Wsequence-point): Update documentation
12384 that -Wsequence-point is implemented for C++ as well.
12386 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12388 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12389 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12390 (LIB_SPEC): Likewise.
12391 * doc/invoke.texi (SPARC options): Document -pthread.
12393 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12395 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12398 2006-02-07 Roger Sayle <roger@eyesopen.com>
12400 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12401 Correct comment describing BOOLEAN_TYPE.
12403 2006-02-07 Dirk Mueller <dmueller@suse.com>
12405 * c.opt: C++ frontend supports -Wdiv-by-zero.
12406 * c-opts.c (c_common_handle_option): Remove dead case.
12408 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12410 * configure.ac (TLS assembler check): Do not enable TLS by
12411 default on SPARC/Solaris before version 10.
12412 * configure: Regenerate.
12414 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12416 * doc/invoke.texi (xl-compat): Document conversion and support
12419 2006-02-07 Jeff Law <law@redhat.com>
12421 * tree-vrp.c (find_conditional_asserts): Update comments.
12422 (simplify_stmt_for_jump_threading): New.
12423 (identify_jump_threads, finalize_jump_threads): New.
12424 (vrp_finalize): Call identify_jump_threads.
12425 (execute_vrp): Call finalize_jump_threads.
12426 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12427 (vrp_element, vrp_data, vrp_element_p): Remove.
12428 (vrp_hash_elt, vrp_variables_stack): Remove.
12429 (vrp_hash, vrp_eq, record_range): Remove.
12430 (simplify_cond_and_lookup_avail_expr): Remove.
12431 (extract_range_from_cond): Remove.
12432 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12433 (simplify_stmt_for_jump_threading): New.
12434 (dom_thread_across_edge): New wrapper.
12435 (tree_ssa_dominator_optimize): No longer initialize or
12436 finalize any of the VRP datastructures. Remove iteration
12437 step and simplify as a result of removal of iteration step.
12438 (pass_dominator): Perform a cfg cleanup after DOM.
12439 (dom_opt_finalize_block): Use the new common routines
12440 for threading jumps. Simplify stack management slightly.
12441 No longer need to unwind VRP state.
12442 (record_equivalences_from_incoming_edge): No longer record
12444 (eliminate_redundant_computations): No longer call
12445 simplify_cond_and_lookup_avail_expr.
12446 * tree-flow.h (potentially_threadable_block): Prototype.
12447 (thread_across_edge): Likewise.
12448 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12449 (tree-ssa-threadedge.o): Add dependencies.
12450 * tree-ssa-threadedge.c: New file.
12451 * passes.c (init_optimization_passes): Merge PHIs before
12452 calling VRP. Run VRP again late in the SSA optimization pipeline.
12454 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12456 * df-core.c (df_set_blocks): Do not dereference function pointers.
12457 (df_finish1): Likewise.
12458 (df_hybrid_search_forward): Likewise.
12459 (df_hybrid_search_backward): Likewise.
12460 (df_iterative_dataflow): Likewise.
12461 (df_analyze_problem): Likewise.
12462 (df_compact_blocks): Likewise.
12463 (df_dump): Likewise.
12464 * df-scan.c (df_rescan_blocks): Likewise.
12465 (df_record_entry_block_defs): Likewise.
12467 * genconditions.c (write_conditions): Guard the definition of
12468 'insn_conditions' with the check on GCC version.
12469 (write_writer): Guard the traversal 'insn_conditions' with
12470 the check on GCC version.
12472 2006-02-07 Richard Guenther <rguenther@suse.de>
12476 2006-01-30 Richard Guenther <rguenther@suse.de>
12478 * gimplify.c (gimplify_target_expr): Handle easy cases
12479 without creating a temporary.
12481 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12483 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12484 use of float in probability computations. Use edge probabilities
12485 in place of statically computed probabilities.
12486 (min_spec_prob): New static variable.
12487 (schedule_insns): Initialize it.
12488 (GET_SRC_PROB): Removed.
12489 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12491 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12494 * config/ia64/unwind-ia64.c: Revert last change.
12495 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12496 (INCOMING_FRAME_SP_OFFSET): Define.
12498 2006-02-06 Roger Sayle <roger@eyesopen.com>
12500 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12502 2006-02-07 Ben Elliston <bje@au.ibm.com>
12504 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12505 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12506 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12507 (ix86_return_in_memory): Handle TDmode.
12508 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12509 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12511 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12513 * reorg.c (dbr_schedule): Use dump_file instead of file.
12515 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12518 * config/ia64/predicates.md (extr_len_operand): New predicate.
12519 * config/ia64/ia64.md (extv): Tighten constraints.
12521 (*tbit_and_2): Ditto.
12522 (*tbit_and_3): Ditto.
12523 (*tbit_or_2): Ditto.
12524 (*tbit_or_3): Ditto.
12525 (*bit_zero): Ditto.
12528 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12531 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12533 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12535 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12536 loop_optimizer_init and loop_optimizer_finalize
12537 * tree-ssa-sink.c (execute_sink_code): Ditto.
12538 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12539 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12540 tree_ssa_loop_done): Ditto.
12541 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12542 * sched-ebb.c: Include output.h.
12543 (schedule_ebbs): Do not use dump argument.
12544 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12545 * loop.c (loop_dump_stream): Removed.
12546 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12548 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12549 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12550 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12551 loop_iterations, strength_reduce, record_biv, record_giv,
12552 final_giv_value, check_final_value, check_ext_dependent_givs,
12553 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12554 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12555 dump_file instead of loop_dump_stream.
12556 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12557 argument dump_file.
12558 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12560 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12561 * haifa-sched.c: Include output.h
12562 (schedule_insns, sched_init): Do not use dump argument.
12563 * mode-switching.c (optimize_mode_switching): Ditto.
12564 * modulo-sched.c (stats_file): Removed.
12565 (print_node_sched_params): Do not call argument dump_file.
12566 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12567 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12569 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12571 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12572 rtl_loop_init, rtl_loop_done): Ditto.
12573 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12574 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12576 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12577 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12578 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12579 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12580 * emit-rtl.c (renumber_insns): Ditto.
12581 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12582 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12583 * regclass.c (regclass): Ditto.
12584 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12585 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12586 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12587 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12589 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12590 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12592 * gcse.c (gcse_file, debug_stderr): Removed.
12593 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12594 rest_of_handle_gcse): Do not use dump argument.
12595 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12596 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12597 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12598 compute_code_hoist_vbeinout, compute_code_hoist_data,
12599 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12600 compute_store_table, build_store_vectors, insert_insn_start_bb,
12601 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12602 store_motion): Use dump_file instead of gcse_file.
12603 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12604 * profile.c (profile_dump_file): Removed.
12605 (branch_prob): Use dump_file instead of profile_dump_file.
12606 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12608 * tree-ssa-copy.c (dump_copy_of): Ditto.
12609 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12610 dump file to life_analysis.
12611 * bt-load.c (branch_target_load_optimize): Ditto.
12612 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12614 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12615 regclass, dbr_schedule): Declaration changed.
12616 * sched-int.h (sched_init): Declaration changed.
12617 * tree-profile.c (tree_profile_dump_file): Removed.
12618 (tree_profile_hooks): Removed profile_dump_file hook.
12619 * rtl-profile (rtl_profile_dump_file): Removed.
12620 (rtl_profile_hooks): emoved profile_dump_file hook.
12621 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12623 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12624 * tree-cfg.c (build_tree_cfg): Ditto.
12625 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12626 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12627 Declaration changed.
12628 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12629 life_analysis and schedule_insns.
12630 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12632 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12634 * config/mips/mips.c (mips_reorg): Ditto.
12635 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12638 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12640 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12641 (s390_mangle_fundamental_type): New.
12642 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12645 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12646 (alpha_mangle_fundamental_type): New.
12647 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12650 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12652 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12654 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12655 (sparc_mangle_fundamental_type): New.
12657 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12659 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12660 (s390x-*-linux*): Likewise.
12661 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12662 * config/s390/t-linux: New file.
12664 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12666 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12667 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12669 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12671 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12672 (ANTIC_SAFE_LOADS): New macro.
12673 (find_or_generate_expression): Add prototype.
12674 (set_contains_value): Allow null set for sake of not always having
12675 to allocate ANTIC_SAFE_LOADS.
12676 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12677 Allow COMPONENT_REF too.
12678 (valid_in_set): Allow COMPONENT_REF.
12679 Check ANTIC_SAFE_LOADS too.
12680 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12681 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12683 (can_PRE_operation): Add COMPONENT_REF.
12684 (create_component_ref_by_pieces): New function.
12685 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12686 (insert_aux): Move AGGREGATE_TYPE_P check here.
12687 (compute_avail): Set bb local stmt uids.
12688 (pass_pre): Use TODO_update_ssa_only_virtuals.
12690 2006-02-06 Ben Elliston <bje@au.ibm.com>
12692 * configure.ac: Unconditionally disable decimal float by default.
12693 * configure: Regenerate.
12695 2006-02-06 Ben Elliston <bje@au.ibm.com>
12697 * read-rtl.c (read_name): Terminate reading on EOF.
12699 2006-02-06 Ben Elliston <bje@au.ibm.com>
12701 * dfp.c (decimal_real_arithmetic): Change second argument type
12702 from int to enum tree_code. Do not always return true, but now
12703 return result of any call to decimal_do helper functions.
12704 * dfp.h (decimal_real_arithmetic): Update prototype.
12706 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12708 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12710 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12713 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12716 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12718 * tree-vrp.c (cfg_loops): Removed.
12719 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12720 Use current_loops instead of cfg_loops. Pass flags to
12721 loop_optimizer_init.
12722 * cfgloopmanip.c (fix_loop_structure): Update only available
12724 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12725 loop_optimizer_init.
12726 * modulo-sched.c (build_loops_structure): Removed.
12727 (sms_schedule): Use loop_optimizer_init.
12728 * loop-init.c (loop_optimizer_init): Use flags to determine
12729 which properties of loops to prepare.
12730 (rtl_loop_init): Pass flags to loop_optimizer_init.
12731 * tree-ssa-sink.c (execute_sink_code): Ditto.
12732 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12733 * tree-ssa-pre.c (init_pre): Ditto.
12734 * cfgloop.h (LOOPS_NORMAL): New.
12735 (loop_optimizer_init): Declaration changed.
12737 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12739 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12740 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12742 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12744 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12746 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12747 * pa/t-pa64: Delete quadlib.c rule.
12748 * pa/x-ada: Revert last change.
12749 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12751 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12753 PR rtl-optimization/26087
12754 * rtlanal.c (canonicalize_condition): Do not cross basic block
12757 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12760 * config/ia64/ia64.c: Include debug.h.
12761 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12762 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12763 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12764 (process_epilogue, process_set, process_for_unwind_directive):
12765 Output unwind info only if requested. Add CFA info if requested.
12766 Add new arguments as needed. Adjust callers.
12767 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12769 (DWARF2_FRAME_INFO): Define to zero.
12770 * config/ia64/unwind-ia64.c: Remove code that compensated for
12771 the CFA offset error fixed above.
12772 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12773 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12774 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12775 -funwind-tables and -fexceptions to enable frame info.
12776 (dwarf2out_frame_init): Define initial CFA even if
12777 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12778 DWARF2_UNWIND_INFO is nonzero, not just defined.
12779 (dwarf2out_frame_finish): Output non-EH call frame info only
12780 if DWARF2_FRAME_INFO is nonzero.
12781 (convert_cfa_to_loc_list,
12782 compute_frame_pointer_to_cfa_displacement): Define even if
12783 unwind info is not supported.
12784 (gen_subprogram_die): Use the above unconditionally. Remove
12785 legacy alternate code.
12786 * toplev.c (compile_file): Compile in call to
12787 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12788 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12790 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12791 Jakub Jelinek <jakub@redhat.com>
12793 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12794 IBM extended float format long double as "g" on powerpc*-linux.
12796 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12799 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12800 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12802 2006-02-03 Jason Merrill <jason@redhat.com>
12805 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12807 PR middle-end/25977
12808 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12809 on the return slot if it's an NRV.
12811 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12813 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12814 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12815 rewrite_use): Do not handle USE_OUTER.
12816 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12817 add_iv_outer_candidates, may_replace_final_value,
12818 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12819 (find_interesting_uses_op): Functionality of
12820 find_interesting_uses_outer_or_nonlin moved here.
12821 (find_interesting_uses_outside): Use find_interesting_uses_op.
12823 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12826 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12828 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12829 Ulrich Weigand <uweigand@de.ibm.com>
12832 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12833 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12834 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12835 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12837 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12838 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12839 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12840 Define secondary reloads for TFmode moves.
12841 (constant_modes): Add TFmode.
12842 (NR_C_MODES): Set to 8.
12843 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12845 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12846 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12847 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12848 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12849 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12850 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12851 (FPR mode macro): Add TFmode.
12852 (DSF mode macro): New.
12853 (<de>, <dee> mode attributes): Removed.
12854 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12855 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12856 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12857 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12858 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12859 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12860 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12861 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12862 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12863 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12864 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12865 "*negabs<mode>2", "sqrt<mode>2"):
12866 Changed <de> to <xde>. R constraint replaced by <Rf>.
12867 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12869 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12870 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12871 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12873 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12874 "extenddftf2", "extendsftf2"): New expanders.
12875 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12876 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12877 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12878 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12880 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12881 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12882 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12883 __floatditf): Add a GCC_4.1.0 symbol version tag.
12884 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12887 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12890 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12891 Use targetm.binds_local_p instead of TREE_PUBLIC.
12893 2006-02-02 Roger Sayle <roger@eyesopen.com>
12895 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12896 on INTEGER_TYPEs to indicate that it denotes a character type.
12897 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12898 signed_char_type_node, unsigned_char_type_node and char_type_node.
12899 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12900 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12901 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12903 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12904 Daniel Berlin <dberlin@dberlin.org>
12906 * tree-tailcall.c (arg_needs_copy_p): New function.
12907 (eliminate_tail_call): Use arg_needs_copy_p.
12908 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12909 (add_virtual_phis): New function.
12911 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12913 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12914 #ignore instead of #scratch for %g7 .register directive.
12916 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12918 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12921 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12923 * flow.c (calculate_global_regs_live): Assert that there aren't any
12926 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12928 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12929 what its name says.
12930 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12931 bsi_after_labels iterator.
12932 * tree-if-conv.c (find_phi_replacement_condition,
12933 replace_phi_with_cond_modify_expr): Likewise.
12934 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12935 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12937 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12939 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12941 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12944 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12945 array after growing it.
12947 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12949 PR middle-end/24901
12950 * fold-const.c (fold_checksum_tree): Change type of buf.
12952 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12954 * reload.c (push_secondary_reload): Initialize t_icode.
12956 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12958 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12959 -msoft-float -mlong-double-128 only issue a warning, but don't
12960 swich to DFmode long double.
12962 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12964 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12965 has a constant equivalent, iterate over equivalents for arg0,
12966 calling simplify_relational_operation and if there's a result
12967 cheaper than X, apply fold_rtx and return the result.
12969 2006-02-01 Jan Hubicka <jh@suse.cz>
12971 * opts.c (no_unit_at_a_time_default): New global variable.
12972 (decode_options): Use it.
12973 * opts.h (no_unit_at_a_time_default): Declare.
12975 2006-02-01 Paul Brook <paul@codesourcery.com>
12977 * function.c (assign_parm_setup_reg): Use function argument promotion
12979 * expr.c (expand_expr_real_1): Use function argument promotion rules
12982 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12984 * gcc.c (process_command): Change j to 'unsigned int'.
12986 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12988 PR middle-end/26001
12989 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12990 Use the corrected index for the character
12991 out of the string constant.
12993 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12995 * mode-switching.c (optimize_mode_switching): Fix size
12996 allocated for bb_info[n_entities].
12998 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13000 * gcc.c (main): Correct type that is allocated for
13001 explicit_link_files.
13003 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13005 * config/s390/s390.c (init_alignment_context): Set
13006 ALIAS_SET_MEMORY_BARRIER on the MEM.
13007 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13009 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13011 PR middle-end/25933
13012 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13014 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13017 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13019 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13020 * regrename.c: Ditto.
13021 * tree-ssa-loop-im.c: Ditto.
13022 * tree-dump.c: Ditto.
13023 * tree-complex.c: Ditto.
13024 * genrecog.c: Ditto.
13025 * tree-ssa-threadupdate.c: Ditto.
13027 * java/class.c: Ditto.
13028 * java/jcf-parse.c: Ditto.
13029 * java/resource.c: Ditto.
13030 * java/except.c: Ditto.
13031 * java/jvspec.c: Ditto.
13032 * java/jcf-write.c: Ditto.
13033 * java/jcf-path.c: Ditto.
13034 * java/gjavah.c: Ditto.
13035 * java/zextract.c: Ditto.
13036 * java/jcf-io.c: Ditto.
13037 * java/jcf.h: Ditto.
13038 * java/buffer.c: Ditto.
13039 * java/lang.c: Ditto.
13040 * java/parse-scan.y: Ditto.
13041 * java/lex.c: Ditto.
13042 * java/lex.h: Ditto.
13043 * cfgloopmanip.c: Ditto.
13044 * postreload-gcse.c: Ditto.
13045 * tree-ssa-loop-manip.c: Ditto.
13046 * postreload.c: Ditto.
13047 * tree-ssa-loop-ch.c: Ditto.
13050 * cppspec.c: Ditto.
13051 * diagnostic.c: Ditto.
13053 * genoutput.c: Ditto.
13055 * cfghooks.c: Ditto.
13056 * cfgloopanal.c: Ditto.
13057 * objc/objc-act.c: Ditto.
13059 * genextract.c: Ditto.
13060 * genautomata.c: Ditto.
13061 * pretty-print.c: Ditto.
13062 * genemit.c: Ditto.
13063 * cgraphunit.c: Ditto.
13065 * df-scan.c: Ditto.
13066 * haifa-sched.c: Ditto.
13067 * dominance.c: Ditto.
13069 * tree-ssa-loop-ivopts.c: Ditto.
13070 * df-core.c: Ditto.
13071 * mode-switching.c: Ditto.
13072 * modulo-sched.c: Ditto.
13074 * ipa-pure-const.c: Ditto.
13076 * fix-header.c: Ditto.
13078 * tree-stdarg.c: Ditto.
13079 * ipa-utils.c: Ditto.
13080 * loop-init.c: Ditto.
13081 * ipa-inline.c: Ditto.
13082 * cfganal.c: Ditto.
13084 * alloc-pool.c: Ditto.
13085 * dwarf2out.c: Ditto.
13087 * genattrtab.c: Ditto.
13088 * tree-ssa-loop-ivcanon.c: Ditto.
13089 * predict.c: Ditto.
13090 * timevar.c: Ditto.
13092 * fortran/gfortranspec.c: Ditto.
13093 * regmove.c: Ditto.
13094 * local-alloc.c: Ditto.
13095 * langhooks.c: Ditto.
13096 * function.c: Ditto.
13097 * tree-vectorizer.c: Ditto.
13099 * ipa-type-escape.c: Ditto.
13101 * tree-if-conv.c: Ditto.
13102 * profile.c: Ditto.
13104 * tree-data-ref.c: Ditto.
13105 * loop-unroll.c: Ditto.
13106 * treelang/treetree.c: Ditto.
13108 * bt-load.c: Ditto.
13109 * ggc-common.c: Ditto.
13111 * coverage.c: Ditto.
13113 * tree-cfgcleanup.c: Ditto.
13114 * tree-ssa-pre.c: Ditto.
13115 * cfgcleanup.c: Ditto.
13116 * loop-invariant.c: Ditto.
13117 * loop-iv.c: Ditto.
13118 * ipa-prop.c: Ditto.
13119 * print-tree.c: Ditto.
13120 * conflict.c: Ditto.
13121 * ggc-page.c: Ditto.
13122 * sched-deps.c: Ditto.
13123 * regclass.c: Ditto.
13124 * tree-object-size.c: Ditto.
13125 * combine.c: Ditto.
13126 * bb-reorder.c: Ditto.
13127 * resource.c: Ditto.
13128 * var-tracking.c: Ditto.
13129 * cfgloop.c: Ditto.
13130 * df-problems.c: Ditto.
13131 * reg-stack.c: Ditto.
13133 * gccspec.c: Ditto.
13134 * sched-rgn.c: Ditto.
13135 * tree-ssa-structalias.c: Ditto.
13136 * tree-ssa-reassoc.c: Ditto.
13137 * config/darwin-c.c: Ditto.
13138 * config/darwin.c: Ditto.
13139 * config/arm/arm.c: Ditto.
13141 * collect2.c: Ditto.
13142 * reload1.c: Ditto.
13144 2006-01-31 Nicolas Pitre <nico@cam.org>
13146 * arm.md (smaxsi3): Make aware of smax_m1.
13149 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13151 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13153 2006-01-31 Richard Guenther <rguenther@suse.de>
13155 * doc/invoke.texi (-msselibm): Document.
13156 * target.h (expand_library_builtin): New target hook.
13157 * builtins.c (expand_builtin): Use expand_library_builtin.
13158 (default_expand_library_builtin): New function.
13159 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13160 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13161 (link_gcc_math_spec): Declare.
13162 (static_specs): Add link_gcc_math_spec.
13163 * expr.h (default_expand_library_builtin): Declare.
13164 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13165 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13166 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13167 * config/i386/i386.opt (msselibm): New target option.
13168 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13169 (ix86_init_sse_abi_builtins): New function.
13170 (ix86_expand_library_builtin): Likewise.
13171 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13172 (override_options): Handle error conditions wrt -msselibm.
13173 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13174 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13175 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13178 2006-01-31 Richard Guenther <rguenther@suse.de>
13179 Paolo Bonzini <bonzini@gnu.org>
13181 * doc/install.texi (--disable-libgcc-math): Document.
13183 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13185 * expr.h (expand_normal): new inline function.
13186 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13187 * dojump.c: use it.
13188 * dwarf2out.c: use it.
13191 * expmed.c: use it.
13192 * except.c: use it.
13193 * config/sparc/sparc.c: use it.
13194 * config/i386/i386.c: use it.
13195 * config/rs6000/rs6000.c: use it.
13196 * config/arm/arm.c: use it.
13197 * config/mips/mips.c: use it.
13198 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13200 2006-01-30 Roger Sayle <roger@eyesopen.com>
13202 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13203 argv to the appropriate type.
13205 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13207 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13210 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13213 * config/s390/s390.c (struct machine_function): New flag
13214 decomposed_literal_pool_addresses_ok_p.
13215 (s390_reorg): Set it before final stage of literal pool transforms.
13216 (s390_decompose_address): Only accept displacements of the form
13217 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13219 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13221 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13222 the comparison routine return.
13224 2006-01-30 Michael Matz <matz@suse.de>
13226 * global.c (find_reg): Only evict for global regs.
13227 Take n_refs into account and dump more info.
13229 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13232 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13233 (pragma_trap, pragma_nosave_low_regs): Likewise.
13234 (current_function_anonymous_args): Likewise.
13235 (sh_deferred_function_attributes): New variable.
13236 (sh_deferred_function_attributes_tail): Likewise.
13237 (print_operand): For '@', look up trap_exit attribute.
13238 (calc_live_regs): Look up trapa_handler attribute. For trapa
13239 handlers, save/restore fpscr, but don't do any other
13240 interrupt-specific saves.
13241 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13242 Fix check for partially saved registers to check for SHmedia.
13243 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13244 (sh_output_function_epilogue): Don't clear any of the removed
13246 (sh_insert_attributes): Don't check pragma_interrupt.
13247 Insert deferred attributes. Check that interrupt attribute is
13248 present for other attributes that require its presence.
13249 (sh_attribute_table): Add new attributes trapa_handler and
13251 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13252 Don't check for pragma_interrupt. Don't store argument.
13253 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13254 (sh_deferred_function_attributes): Declare.
13255 (sh_deferred_function_attributes_tail): Likewise.
13256 * sh.md (sp_switch_1): Add operand. Change generator caller.
13257 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13258 (*return_i): Don't use when trap_exit attribute is in effect.
13259 (*return_trapa): New insn pattern.
13260 * sh-c.c: New file.
13261 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13262 setting c_target_objs and cxx_target_objs.
13263 * t-sh: Add rule for sh-c.o.
13265 2006-01-30 Richard Guenther <rguenther@suse.de>
13268 * gimplify.c (gimplify_target_expr): Handle easy cases
13269 without creating a temporary.
13271 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13273 * vec.h (safe_grow): Remove duplicated line.
13275 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13278 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13279 (expand_omp): ... here.
13280 (expand_omp_parallel): Only remove barriers for combined
13281 parallel+workshare constructs.
13283 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13287 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13288 * tree.c (build_qualified_type): Chain the new type to the original
13289 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13290 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13291 (build_pointer_type_for_mode): Only return unqualified types.
13292 (build_reference_type_for_mode): Likewise.
13294 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13296 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13297 * Makefile.in (CXX_COMPAT_WARN): Define.
13298 * configure: Regenerate.
13300 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13303 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13306 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13308 * toplev.c: Fix thinko.
13310 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13311 Marcin Dalecki <martin@dalecki.de>
13313 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13314 (push_srcloc): Use XNEW.
13315 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13317 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13319 * df-core.c (df_set_blocks): Deleted all variable.
13321 2006-01-28 Ian Lance Taylor <ian@airs.com>
13323 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13324 cgraph_output_pending_asms.
13326 2006-01-28 Zack Weinberg <zackw@panix.com>
13328 * c.opt: Add -W(no-)overlength-strings.
13329 * doc/invoke.texi: Document it.
13330 * c-opts.c (c_common_handle_option): -pedantic implies
13331 -Woverlength-strings, if not explicitly disabled already.
13332 (c_common_post_options): -Woverlength-strings defaults to off, and
13333 is always off for C++.
13334 * c-common.c (fix_string_type): Issue warning about strings longer
13335 than is portable only if warn_overlength_strings. Rearrange code
13336 a little for clarity.
13337 * configure.in: Check for -Wno-overlength-strings as well before
13338 enabling -pedantic in stage 1.
13339 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13340 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13342 * genconditions.c (write_header, write_one_condition)
13343 (write_conditions, write_writer): Consolidate very long strings
13344 that were broken up to fit in C89 portable limit. Don't use
13345 printf when fputs will do.
13347 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13349 * combine.c (simplify_comparison <AND>): Check
13350 TRULY_NOOP_TRUNCATION before start using a subreg.
13352 * config/mips/mips.md (*branch_zero<mode>,
13353 *branch_zero<mode>_inverted, *branch_equality<mode>,
13354 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13355 Remove mode check from comparisons.
13357 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13359 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13361 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13363 * expmed.c (const_mult_add_overflow_p): Remove.
13364 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13366 * recog.c (validate_replace_rtx_subexp): Remove.
13367 * recog.h: Remove the prototype for
13368 validate_replace_rtx_subexp.
13370 * integrate.h: Remove the prototype for
13371 copy_decl_for_inlining.
13372 * rtl.h: Remove the prototype for mark_constant_function.
13373 * tree-vectorizer.h: Remove the prototype for
13374 vect_strip_conversion.
13376 * modulo-sched.c (create_partial_schedule,
13377 free_partial_schedule, reset_partial_schedule): Make them
13380 * hooks.c (hook_bool_rtx_int_false): Remove.
13381 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13383 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13385 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13386 and -mlong-double-128 are incompatible.
13387 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13388 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13389 (TARGET_LIBGCC2_CFLAGS): Define.
13390 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13391 (TARGET_LIBGCC2_CFLAGS): Same.
13392 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13394 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13397 * c-typeck.c (build_binary_op): Perform implicit casts of
13398 operands before shortening them.
13400 * cfgloopmanip.c (split_loop_bb): Remove.
13401 * cfgloop.h: Remove the prototype for split_loop_bb.
13403 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13404 * cfgloop.h: Remove the prototype for
13405 flow_loop_outside_edge_p.
13407 * emit-rtl.c (init_virtual_regs): Make it static.
13408 * function.h: Remove the prototype for init_virtual_regs.
13410 * recog.c (peephole2_optimize): Make it static.
13411 * recog.h: Remove the prototype for peephole2_optimize.
13413 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13415 * df-scan.c (df_record_entry_block_defs): Check if
13416 INCOMING_RETURN_ADDR_RTX is defined.
13418 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13419 Kenneth Zadeck <zadeck@naturalbridge.com>
13421 PR rtl-optimization/24762
13422 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13423 * targhooks.c (hook_void_bitmap): New hook prototype.
13424 * targhoohs.h (hook_void_bitmap): Ditto.
13425 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13426 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13427 * target.h (live_on_entry): New function pointer.
13428 * df-scan.c (df_all_hard_regs): Removed.
13429 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13430 (df_scan_free_internal): Added df->entry_block_defs.
13431 (df_scan_alloc): Ditto.
13432 (df_scan_dump): Ditto.
13433 (df_uses_record): Plumbed flag field properly thru calls.
13434 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13435 This part fixes PR24762.
13436 (df_bb_refs_record): Added code to make the frame and arg
13437 pointers live in EH blocks.
13438 (df_refs_record): Added call to df_record_entry_block_defs.
13439 (df_record_entry_block_defs): New function.
13440 * df-core.c: Added comments to describe new artifical defs.
13441 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13442 (entry_block_defs): New field in struct df.
13443 (df_all_hard_regs): Deleted.
13444 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13445 * df-problems.c (df_ru_bb_local_compute_process_def):
13446 Added code to handle artifical defs in the entry to a function.
13447 (df_ru_bb_local_compute): Ditto.
13448 (df_rd_bb_local_compute_process_def): Ditto.
13449 (df_rd_bb_local_compute): Ditto.
13450 (df_lr_bb_local_compute): Ditto.
13451 (df_ur_bb_local_compute): Ditto.
13452 (df_urec_bb_local_compute): Ditto.
13453 (df_chain_create_bb): Ditto.
13454 (df_ur_local_finalize): Removed entry.
13455 (df_urec_init): Ditto.
13456 (df_urec_local_finalize): Ditto.
13457 (df_ri_bb_compute): Added detection of last use of pseudos.
13458 * Makefile.in (df-scan.o): Updated dependencies.
13459 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13460 * config/mips/mips.c (mips_set_live_on_entry): Added.
13461 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13463 * dce.c (marked_insn_p): Added code to handle artifical defs.
13465 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13467 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13469 (_mm_cvtsi128_si64): Likewise.
13470 (_mm_cvtsd_si64): Likewise.
13471 (_mm_cvttsd_si64): Likewise.
13472 (_mm_cvtsi64_sd): Likewise.
13473 (_mm_cvtsi64_si128): Likewise.
13474 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13475 (_mm_cvtsi64_m64): Likewise.
13476 (_m_to_int64): Likewise.
13477 (_mm_cvtm64_si64): Likewise.
13478 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13479 (_mm_cvttss_si64): Likewise.
13480 (_mm_cvtsi64_ss): Likewise.
13481 (_mm_cvtss_f32): Likewise.
13483 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13485 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13486 for pragma redefine_extname.
13488 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13491 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13492 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13493 -mno-minimal-toc to previous content.
13494 (bispecs): Remove goal.
13495 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13496 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13497 compatibility aliases on powerpc-*-*gnu*.
13498 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13499 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13500 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13501 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13502 (ldblspecs): New goal.
13503 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13504 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13506 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13507 L_sf_to_tf or L_df_to_tf is defined.
13509 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13510 Alan Modra <amodra@bigpond.net.au>
13513 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13514 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13515 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13516 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13517 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13518 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13519 (rs6000_override_options): Initialize rs6000_ieeequad.
13520 Initialize TFmode format to ibm_extended_format if not
13522 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13524 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13525 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13526 (function_arg_advance): IBM long double passed in two FPRs, not
13528 (function_arg): IBM long double passed in FPRs.
13529 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13530 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13531 Only multireg GPR aligned.
13532 (rs6000_init_libfuncs): Enable IBM long double functions if not
13534 (rs6000_generate_compare): Use IBM long double compare if not
13536 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13537 (TARGET_IEEEQUAD): Define.
13538 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13539 not TARGET_IEEEQUAD.
13540 * config/rs6000/rs6000.md: Enable TFmode patterns if
13542 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13543 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13544 and -mlong-double-128 are incompatible.
13545 * doc/invoke.texi (-mabi): Collect options together. Add
13546 ibmlongdouble and ieeelongdouble.
13548 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13550 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13552 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13553 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13554 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13555 * rtl.h (rtunion_def): Remove rt_ptr.
13557 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13558 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13559 * config/i386/winnt.c (i386_pe_mark_dllexport)
13560 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13562 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13564 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13566 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13570 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13571 pthread_key_delete. From John David Anglin. gthrw-ify
13572 pthread_getunique_np only if it it's not a macro. Delete
13574 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13575 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13576 __gthread_objc_condition_signal, __gthread_key_delete): Add
13577 "__attribute__ ((__unused__))" to unused arguments.
13578 (__gthread_recursive_mutex_init_function): Add missing return.
13579 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13580 gthr-posix95.h: Use macro-based approach for name redirection
13581 on targets missing weakref.
13583 2006-01-26 Zack Weinberg <zackw@panix.com>
13585 * genconditions.c (write_header): In generated code, #ifdef out
13586 all includes and fake declarations, except includes of bconfig.h
13587 and system.h, unless GCC_VERSION >= 3001. Do not include
13588 gensupport.h in any case.
13589 (write_conditions): Generate a definition of struct c_test. Add
13590 a comment to the generated #endif.
13591 (write_one_condition): Escape backslashes in string too.
13592 (write_writer): Generated code must escape backslashes and quote
13593 marks (but not newlines) in the strings it writes.
13594 * Makefile.in (build/gencondmd.o): Update dependencies.
13596 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13599 * Makefile.in (insn-automata.o): Add header file dependencies.
13600 * genautomata.c: Add includes.
13602 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13605 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13607 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13609 * configure.ac: Expect target tools paths to be passed from the toplevel
13610 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13612 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13614 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13617 * c.opt (Wpointer-sign): Init to -1.
13618 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13619 OPT_pedantic, to 0 otherwise.
13620 * doc/invoke.texi: Update.
13622 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13624 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13625 constants provided by 80387 instructions in the destination mode.
13627 2006-01-26 Richard Guenther <rguenther@suse.de>
13628 Andrew Pinski <pinskia@physics.uc.edu>
13631 partial PR tree-opt/17064
13632 * tree-ssa-structalias.c (intra_create_variable_infos):
13633 Create heap variables for incoming parameters if
13634 flag_argument_noalias > 1.
13635 (find_what_p_points_to): Look through default defs of
13638 2006-01-26 Jeff Law <law@redhat.com>
13641 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13642 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13643 within the VR_RANGE, use the VR_RANGE as the result, not the
13645 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13646 bounds for the type.
13648 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13650 * tree-ssa-alias.c (maybe_create_global_var): Change
13651 subvar walking to an assertion that we don't have subvar'd variables.
13653 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13656 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13657 Use a new variable, inner. PARM_DECLs are always non-weak.
13659 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13661 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13662 --disable-checking.
13664 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13666 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13668 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13670 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13671 (smax_insn, smin_insn, smax_0, smin_0): New.
13673 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13676 * config/cris/cris.c (cris_order_for_addsi3): New function.
13677 * config/cris/cris-protos.h: Prototype it.
13678 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13679 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13680 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13681 (split for "op.S1 [rx=rx+i],ry (swapped)")
13682 (split for "op(s|u).S1 [rx=rx+i],ry")
13683 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13684 Apply cris_order_for_addsi3 when generating addsi3 insns.
13686 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13688 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13689 (TREE_BLOCK): Add call to EXPR_CHECK.
13691 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13694 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13695 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13696 (dump_omp_clauses): ... here.
13697 (dump_generic_node): Handle OMP_CLAUSE.
13698 * tree.c (omp_clause_num_ops): New.
13699 (omp_clause_code_name): New.
13700 (tree_code_size): Handle OMP_CLAUSE.
13701 (tree_size): Likewise.
13702 (make_node): Document handling of OMP_CLAUSE.
13703 (tree_node_structure): Handle OMP_CLAUSE.
13704 (omp_clause_check_failed): New.
13705 (omp_clause_range_check_failed): New.
13706 (omp_clause_operand_check_failed): New.
13707 (build_omp_clause): New.
13708 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13709 * tree.h (enum omp_clause_code): Declare.
13710 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13711 (OMP_CLAUSE_RANGE_CHECK): Define.
13712 (OMP_CLAUSE_ELT_CHECK): Define.
13713 (omp_clause_check_failed): Declare.
13714 (omp_clause_operand_check_failed): Declare.
13715 (omp_clause_range_check_failed): Declare.
13716 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13717 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13718 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13719 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13720 (OMP_CLAUSE_IF_EXPR): Likewise.
13721 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13722 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13723 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13724 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13725 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13726 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13727 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13728 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13729 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13730 (OMP_CLAUSE_CODE): Define.
13731 (OMP_CLAUSE_SET_CODE): Define.
13732 (OMP_CLAUSE_CODE): Define.
13733 (OMP_CLAUSE_OPERAND): Define.
13734 (struct tree_omp_clause): Declare.
13735 (union tree_node): Add field 'omp_clause'.
13736 * treestruct.def (TS_OMP_CLAUSE): Define.
13737 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13738 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13739 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13740 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13741 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13742 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13743 (OMP_CLAUSE): Define.
13744 * print-tree.c (print_node): Handle OMP_CLAUSE.
13745 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13746 * c-typeck.c: Likewise.
13747 * gimplify.c: Likewise.
13748 * c-omp.c: Likewise.
13749 * tree-nested.c: Likewise.
13750 * tree-inline.c: Likewise.
13751 * c-parser.c: Likewise.
13752 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13755 2006-01-25 Roger Sayle <roger@eyesopen.com>
13757 PR rtl-optimization/25703
13758 * combine.c (try_combine): Handle zero_extract and strict_low_part
13759 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13761 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13763 * global.c: Fix comment typos.
13765 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13768 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13769 Use output_addr_const instead of assemble_name.
13771 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13773 * Makefile.in (sched-vis.o): Update dependencies.
13774 * haifa-sched.c (sched_finish): Clear current_sched_info.
13775 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13776 (dump_flow_info): Call it.
13777 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13779 * basic-block.h (dump_bb_info): Declare.
13780 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13781 option, and apply options only for dump files whose TDF_RTL,
13782 TDF_TREE, or TDF_IPA bits match.
13783 * rtl.h: Declare new functions exported from sched-vis.c.
13784 * sched-vis.c: Enable also if scheduling is not used.
13785 (print_value): Print the mode of registers if not inside scheduling.
13786 (print_insn): Make it work outside the scheduler. Beautify the output
13788 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13790 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13792 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13793 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13794 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13795 depending on the value of CONSTANT_POOL_ADDRESS_P.
13796 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13798 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13799 rather than SYMBOL_REF_DECL.
13800 (rtx_constant_pool): Remove const_rtx_sym_htab.
13801 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13802 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13803 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13804 Remove handling of const_rtx_sym_htab.
13805 (find_pool_constant): Delete.
13806 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13807 rather than find_pool_constant.
13808 (get_pool_constant_for_function): Delete.
13809 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13810 find_pool_constant.
13811 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13812 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13813 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13814 (SYMBOL_REF_CONSTANT): New macro.
13815 (get_pool_constant_for_function): Delete.
13816 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13817 rather than SYMBOL_REF_DECL.
13818 (i386_pe_mark_dllimport): Likewise.
13819 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13820 rather than SYMBOL_REF_DECL.
13821 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13822 (machopic_indirect_call_target): Likewise.
13824 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13826 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13828 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13830 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13832 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13834 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13836 2006-01-24 David Daney <ddaney@avtrex.com>
13839 * configure.ac (enable_tls): New enable option.
13840 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13841 * configure: Regenerate.
13842 * doc/install.texi (--enable-tls): Document new option.
13843 (--disable-tls): Ditto.
13845 2006-01-24 Richard Henderson <rth@redehat.com>
13847 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13848 * alias.c (true_dependence): Respect it.
13849 (canon_true_dependence, write_dependence_p): Likewise.
13850 * builtins.c (get_builtin_sync_mem): Set it.
13852 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13854 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13857 2006-01-24 DJ Delorie <dj@redhat.com>
13859 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13860 for storing constants in single-bit bitfields.
13862 2006-01-25 Ben Elliston <bje@au.ibm.com>
13864 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13866 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13869 * tree-ssa-pre.c (phi_translate): Return NULL
13870 for AGGREGATE_TYPE's.
13872 2006-01-24 Zack Weinberg <zackw@panix.com>
13874 * genautomata.c (process_state_for_insn_equiv_partition):
13875 Use xcalloc for insn_arcs_array.
13876 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13877 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13879 2006-01-24 Richard Henderson <rth@redhat.com>
13881 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13882 update all callers.
13884 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13886 PR rtl-optimization/25890
13887 PR rtl-optimization/25905
13888 * combine.c (expand_compound_operation, expand_field_assignment):
13889 Fail if the bitfield's final position is out of bounds.
13891 2006-01-24 Ian Lance Taylor <ian@airs.com>
13893 PR middle-end/25930
13894 * cgraphunit.c (cgraph_output_in_order): Don't clear
13895 cgraph_asm_nodes until after asm strings have been output.
13897 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13899 * fix-header.c (read_scan_file): Add new parameter imultilib when
13900 calling register_include_chains.
13902 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13904 * omp-low.c: Update documentation.
13906 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13907 Daniel Berlin <dberlin@dberlin.org>
13911 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13912 return from the function.
13914 2006-01-22 Zack Weinberg <zackw@panix.com>
13916 * rtl.def (match_code): Add second argument.
13917 * genpreds.c (write_extract_subexp): New function.
13918 (write_match_code): Add path argument. Use write_extract_subexp.
13919 (write_predicate_expr): Pass path to write_match_code.
13920 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13921 not perform a mode test.
13922 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13923 a subexpression does not constrain the top-level code set.
13924 * read-rtl.c (read_rtx_variadic): New function.
13925 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13926 * doc/md.texi: Document new notation.
13927 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13928 (cmpsi_operand): ... here, using new notation.
13930 2006-01-22 Zack Weinberg <zackw@panix.com>
13932 * varray.c: Remove GENERATOR_FILE #ifdefs.
13934 2006-01-22 Zack Weinberg <zackw@panix.com>
13936 * genautomata.c (output_reserved_units_table): Emit nothing if
13937 description->query_units_num is zero. Remove extra blank line.
13938 (output_cpu_unit_reservation_p): Short circuit
13939 if description->query_units_num is zero.
13941 2006-01-22 Zack Weinberg <zackw@panix.com>
13943 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13944 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13945 nor any of the random handful of variables that used to be necessary
13946 when this program was linked with rtlanal.o. Prune set of forward
13947 function declarations.
13948 (struct attr_desc): Remove static_p field.
13949 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13950 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13951 (attr_string): Do not read the character one past the length of
13953 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13954 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13955 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13956 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13957 (make_automaton_attrs): New.
13958 (main): Do not call into genautomata. Call local gen_bypass
13959 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13960 Remove special case for insn_alts.
13961 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13962 varray.h (leftover from previous change). Prune set of forward
13963 function declarations. Remove state_alts fields from all
13964 structures. Remove state_alts_table from struct automaton.
13965 Make everything except main static. Do not maintain num_dfa_decls.
13966 Do not maintain state_alts fields of various structures.
13967 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13968 (add_arc): Remove state_alts argument. All callers updated.
13969 (output_reserved_units_table): Emit #ifdef here...
13970 (output_tables): ...not here. Don't generate state_alts tables.
13971 (expand_automata): Don't generate attributes.
13972 (write_automata): Don't generate state_alts functions.
13973 (main): New function.
13974 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13975 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13976 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13977 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13978 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13979 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13980 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13981 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13983 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13984 * genattrtab.h: Delete file.
13985 * Makefile.in (OBJS-common): Add insn-automata.o.
13986 (insn-automata.o): New rule.
13987 (simple_generated_c): Add insn-automata.c.
13988 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13989 (genprogmd): Add automata.
13990 (build/genattrtab): Needs no extra objects nor libraries.
13991 (build/genautomata): Needs build/vec.o and -lm.
13993 2006-01-22 Zack Weinberg <zackw@panix.com>
13995 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13996 (output_dfa_max_issue_rate, locked_states_num): Delete.
13997 (struct automaton): Add locked_states field.
13998 (output_dead_lock_vect): Save number of locked states in
13999 automaton->locked_states. If it is zero, don't print anything.
14000 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14001 (output_internal_dead_lock_func): Only test the dead_lock_vect
14002 for automata that have locked states.
14003 (output_statistics): Always print the number of locked states for
14004 each automaton. Calculate total number of locked states here.
14005 (write_automata): Don't call output_dfa_max_issue_rate.
14006 * genattrtab.c: Define length_unit_log as a const variable.
14007 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14008 max_insn_queue_index const.
14009 * final.c (length_unit_log): Declare const.
14010 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14012 2006-01-22 Zack Weinberg <zackw@panix.com>
14014 * genautomata.c: Include vec.h, not varray.h.
14015 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14016 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14017 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14018 VEC_* macros operating on appropriately typed vectors, or to
14019 malloced arrays when the size is known in advance. Const-ify
14020 many char* variables and function arguments. No functional changes.
14021 * Makefile.in (build/varray.o): Delete rule.
14022 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14023 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14025 2006-01-22 Zack Weinberg <zackw@panix.com>
14027 * gensupport.c: Define get_insn_name and record_insn_name here.
14028 (read_md_rtx): Call record_insn_name as appropriate.
14029 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14030 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14031 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14033 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14034 (BUILD_VARRAY): Delete.
14035 (genprognormal): Rename genprogmd. Fold in all programs from
14036 genprognoprint; also attrtab.
14037 (build/genattrtab): Just mention genautomata.o and varray.o.
14038 Reorganize a bit, add comments to make the categories clearer.
14040 2006-01-22 Zack Weinberg <zackw@panix.com>
14042 * genconditions.c (condition_table, add_condition): Delete.
14043 (write_conditions): Don't emit n_insn_conditions nor
14044 insn_elision_unavailable. Issue the gcc version #ifdef here,
14045 inside the table, with no #else clause ...
14046 (write_header): ...not here.
14047 (write_writer): New function.
14048 (main): Don't initialize condition_table. Use add_c_test.
14050 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14051 files on the command line.
14052 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14053 Return -1 if there is no entry in the table, don't abort.
14054 (add_c_test, traverse_c_tests): New functions.
14055 * gensupport.h (insn_elision_unavailable, insn_conditions)
14056 (n_insn_conditions): Delete declarations.
14057 (add_c_test, traverse_c_tests): Declare.
14058 * read-rtl.c: Include gensupport.h.
14059 (read_conditions): New function.
14060 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14061 (read_rtx_1): If we get EOF when we were looking for an initial
14062 open paren, return 0. Call read_conditions when appropriate.
14063 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14064 dummy-conditions.o. Eliminate references to insn-conditions.o,
14065 or change them to build/gencondmd.o, as appropriate. Remove
14066 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14067 from $(simple_generated_c). For all files remaining in those
14068 two lists, add insn-conditions.md to the generator command line.
14069 Give insn-constants.h/s-constants their own rules. Add rules
14070 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14071 (build/read-rtl.o): Depend on gensupport.h.
14072 (genprognormal): Include preds.
14073 (genprogearly): Rename genprognoprint; only difference is now that
14074 they don't link with $(BUILD_PRINT).
14075 * dummy-conditions.c: Delete.
14077 2006-01-22 Zack Weinberg <zackw@panix.com>
14079 * genextract.c: Don't include insn-config.h. Do include vec.h.
14080 Declare vectors of int, char, and locstr.
14081 (locstr): New typedef.
14082 (struct extraction): Make all array fields into bare pointers.
14083 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14084 (insn_code_number): Delete.
14085 (accum_extract): New struct.
14086 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14087 (gen_insn): Take insn_code_number as an argument. Use an
14088 accum_extract structure instead of loading data directly into
14089 a struct extraction, and having to know how big it might get.
14090 (walk_rtx): Operate entirely on an accum_extract structure.
14091 (print_path): Avoid unnecessary use of printf.
14092 (print_header): New function, split out of main. Distinguish
14093 more carefully between an unrecognizable insn and an insn that
14094 has the code number of a define_expand.
14095 (main): Pass insn_code_number to gen_insn. Call print_header
14096 only after parsing. Avoid unnecessary use of printf.
14097 * Makefile.in (build/vec.o): New rule.
14098 (build/genextract): Depend on build/vec.o.
14099 (build/genextract.o): Don't depend on insn-config.h.
14101 2006-01-22 Zack Weinberg <zackw@panix.com>
14103 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14104 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14105 practical. Eliminate per-generator-program link rules.
14107 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14109 PR middle-end/24437
14110 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14111 with a call expr to ...
14112 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14114 2006-01-23 Richard Guenther <rguenther@suse.de>
14116 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14117 before make_edge with conditional EDGE_TRUE_VALUE.
14119 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14120 Jan Hubicka <jh@suse.cz>
14121 Richard Guenther <rguenther@suse.de>
14123 PR rtl-optimization/25654
14124 * cfgexpand.c (aggregate_contains_union_type): New function.
14125 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14126 for structure variables that contain a union type.
14128 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14130 * gengtype.c (new_structure): Return the structure.
14131 (create_option): Add an extra "next" argument.
14132 (create_field): New function.
14133 (adjust_field_rtx_def): Use create_option and create_field.
14134 Remove a now-unnecessary call to find_structure.
14135 (adjust_field_tree_def): Likewise.
14136 (note_yacc_type): Remove an unnecessary call to find_structure.
14137 * gengtype.h (new_structure): Return the structure.
14138 (create_option): Add an extra argument.
14139 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14140 (option): Adjust calls to create_option.
14142 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14144 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14146 2006-01-22 Paul Brook <paul@codesourcery.com>
14147 Peter Barada <peter@the-baradas.com>
14149 * config/m68k/m68k.md: Add Coldfire FPU support.
14150 Define FP mode macro and associated attributes.
14151 Use it for float mode patterns.
14152 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14153 (LIBCALL_VALUE): Use m68k_libcall_value.
14154 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14155 (m68k_function_value): Ditto.
14156 (emit_move_sequence): Ditto.
14157 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14158 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14159 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14160 (MULTILIB_EXCEPTIONS): Ditto.
14161 * config/m68k/m68k.opt: Add mcfv4e.
14162 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14163 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14164 (m68k_output_function_prologue): Save ColdFire FPU registers.
14165 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14166 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14167 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14168 ColdFire FPU registers.
14169 (m68k_libcall_value, m68k_function_value): New functions.
14170 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14171 (LIBCALL_VALUE): Use m68k_libcall_value.
14172 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14173 (MASK_COLDFIRE): Add MASK_CFV4E.
14174 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14175 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14176 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14177 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14178 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14179 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14180 * doc/invoke.tex: Document -mcfv4e on m68k.
14182 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14184 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14187 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14190 * c-opts.c (c_common_handle_option): Don't include
14191 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14192 * doc/invoke.texi (C++ Dialect Options): Document that
14193 -Wnon-virtual-dtor is no longer included in -Wall.
14195 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14197 * gcov.c (print_version), gcov-dump.c (print_version),
14198 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14201 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14203 * df-scan.c (problem_SCAN): Added NULL reset function.
14204 (df_scan_reset_blocks): Added code to call reset block function
14205 (df_bb_refs_delete) Fixed comment.
14206 (df_insn_refs_delete): Made tolerant of deleting non existent info
14207 for dataflow problems that need to be reset.
14208 * df-core.c (df_set_blocks): Ditto.
14209 * df.h (struct df_problem): Added reset_fun.
14210 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14211 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14212 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14213 functions to clear out all references to def-use or use-def chains.
14215 2006-01-21 Ben Elliston <bje@au.ibm.com>
14217 * varasm.c (assemble_real): Initialise data array.
14219 2006-01-20 Paul Brook <paul@codesourcery.com>
14221 Merge from csl-arm-branch.
14222 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14223 * config/arm/arm.md (movdi): Force operands[1] to a register
14224 if we have a non-register source.
14225 (*arm_movdi, *movdf_soft_insn): Require that one of the
14226 operands be a register.
14227 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14228 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14230 2006-01-20 DJ Delorie <dj@redhat.com>
14232 * varasm.c (initializer_constant_valid_p): Allow pointers
14233 initialized from integer constants of lesser precision.
14234 (output_constant): Allow non-int-sized pointer modes to be
14235 initialized from integer constants.
14237 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14240 * cppdefault.h (struct default_include): Add multilib flag.
14241 * cppdefault.c (cpp_include_defaults): Set it.
14242 * c.opt (-imultilib): New option.
14243 * c-opts.c (imultilib): New.
14244 (c_common_handle_option): Handle -imultilib.
14245 (c_common_post_options): Likewise.
14246 * c-incpath.c (add_standard_paths, register_include_chains):
14248 * c-incpath.h (register_include_chains): Add extra parameter.
14249 * gcc.c (do_spec_1): Generate -imultilib option.
14250 (The Specs Language): Update %I description.
14251 (process_command): Update copyright notice.
14252 * doc/cppopts.texi (-imultilib): Document.
14253 * doc/invoke.texi (-imultilib): Include in option summary.
14254 (%I): Update specs documentation.
14256 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14258 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14260 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14262 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14265 2006-01-20 Richard Guenther <rguenther@suse.de>
14266 Steven Bosscher <stevenb.gcc@gmail.com>
14268 PR rtl-optimization/24626
14269 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14270 EDGE_TRUE_VALUE if in RTL mode.
14273 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14274 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14276 2006-01-20 Dirk Mueller <dmueller@suse.com>
14279 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14280 instead of a special NOP marker.
14281 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14282 NOP marker handling.
14283 * c-common.h (empty_body_warning): Add forward declaration.
14284 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14285 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14287 2006-01-20 Paul Brook <paul@codesourcery.com>
14289 * Makefile.in (lang_checks): Keep going if mkdir fails.
14291 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14293 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14294 be able to clean out basic block when not necessary.
14295 (df_scan_free): Fixed to properly delete information if df is
14296 unused before calling df_finish.
14297 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14298 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14300 (df_bb_refs_delete): New function.
14301 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14302 * df-core.c (df_set_blocks): Added code to properly clean out
14303 unused blocks if they are not part of the blocks to consider.
14304 Added additional null check.
14305 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14306 be able to clean out basic block when not necessary
14307 * df.h (df_free_bb_function): Ditto.
14308 (df_bb_refs_delete): New function.
14309 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14310 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14311 basic block parameter to be able to clean out basic block when not
14313 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14314 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14315 Fixed to properly delete information if df is unused before
14318 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14320 PR rtl-optimization/25799
14321 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14322 Corrected confluence operator to remove bits from op2 before oring
14323 with op1 rather than removing bits from op1.
14324 (df_ru_transfer_function): Corrected test on wrong bitmap which
14325 caused infinite loop. Both of these problems were introduced in
14326 the dataflow rewrite.
14328 2006-01-19 DJ Delorie <dj@redhat.com>
14330 * reload1.c (find_reload_regs): Note the details of reload
14331 failures in the dump file.
14332 (spill_failure): Likewise.
14334 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14336 * loop-iv.c: Include df.h and hashtab.h.
14337 (enum iv_grd_result): New enum.
14338 (DF_REF_IV, DF_REF_IV_SET): New macros.
14339 (struct biv_entry): New.
14340 (df, bivs): New global variables.
14341 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14342 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14344 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14345 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14346 analyzed_for_bivness_p, record_biv): New functions.
14347 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14348 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14349 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14351 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14353 (iv_number_of_iterations): Use new interface to iv analysis.
14354 * loop-unroll.c: Do not include varray.h.
14355 (analyze_iv_to_split_insn): Use new interface to iv
14357 * loop-unswitch.c (may_unswitch_on): Ditto.
14358 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14360 (df_bb_modify): Realloc tables to the new index.
14361 (df_find_use): New function.
14362 * df.h (df_find_use): Declare.
14363 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14365 * cfgloop.h (struct rtx_iv): Remove analysed field.
14366 (iv_get_reaching_def): Removed.
14367 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14368 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14369 (loop-iv.o): Add df.h and hashtab.h dependency.
14370 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14372 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14375 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14377 (__floatundisf, __floatundidf): Likewise.
14378 * libgcc2.h (IS_IBM_EXTENDED): Define.
14380 2006-01-19 DJ Delorie <dj@redhat.com>
14382 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14384 2006-01-19 Paul Brook <paul@codesourcery.com>
14386 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14387 as nothrow when unwinding tables are disabled.
14389 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14392 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14393 of bit-field" when in system header.
14395 2006-01-19 DJ Delorie <dj@redhat.com>
14397 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14398 the 16 bit shift limit of the m16c.
14400 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14403 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14404 * config/i386/i386.c (output_set_got): Output the label if we have one
14405 for the TARGET_DEEP_BRANCH_PREDICTION case.
14407 2006-01-19 Jan Hubicka <jh@suse.cz>
14408 H.J. Lu <hongjiu.lu@intel.com>
14409 Evandro Menezes <evandro.menezes@amd.com>
14411 * invoke.texi (generic): Document
14413 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14414 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14415 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14416 (x86_use_incdec, x86_pad_returns): New variables
14417 (TARGET_CPU_DEFAULT_generic): New constant
14418 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14419 (enum processor_type): Add generic32 and generic64.
14420 * i386.md (cpu attribute): Add generic32/generic64
14421 (movhi splitter): Behave sanely when both partial_reg_dependency and
14422 partial_reg_stall are set.
14423 (K8 splitters): Enable for generic as well.
14424 * predicates.md (incdec_operand): Use TARGET_INCDEC
14425 (aligned_operand): Avoid memory mismatch stalls.
14426 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14427 * ppro.md: Enable for generic32
14428 * i386.c (generic64_cost, generic32_cost): New.
14429 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14430 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14431 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14432 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14433 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14434 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14435 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14436 x86_accumulate_outgoing_args, x86_prologue_using_move,
14437 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14438 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14439 Enable for generic.
14440 (x86_use_incdec, x86_pad_returns): New.
14441 (override_options): Add generic32 and generic64, translate "generic"
14442 to generic32/generic64 and "i686" to "generic32", refuse
14443 "generic32"/"generic64" as arch target.
14444 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14445 (ix86_reorg): Honor PAD_RETURNS.
14447 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14449 * tree-pretty-print.c (dump_generic_node): Handle
14450 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14451 * cgraph.c (cgraph_expand_queue): Rename from
14452 cgraph_analyze_queue. Update all users.
14453 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14454 cgraph_expand_queue.
14455 (cgraph_expand_all_functions): Likewise.
14456 (cgraph_finalize_pending_functions): Remove. Update callers.
14458 * tree.h (OMP_DIRECTIVE_P): Define.
14459 (OMP_PARALLEL_FN): Define.
14460 (OMP_PARALLEL_DATA_ARG): Define.
14461 (OMP_SECTIONS_SECTIONS): Define.
14462 * tree-pass.h (pass_expand_omp): Declare.
14463 * omp-low.c (struct omp_region): Declare.
14464 (struct omp_context): Remove fields 'parallel_type',
14465 'parallel_start_ix' and 'parallel_start_additional_args'.
14467 (struct omp_for_data): Rename from struct expand_omp_for_data.
14468 (omp_regions): New static variable.
14469 (root_omp_region): New static variable.
14470 (find_omp_clause): Make static.
14471 (is_in_combined_parallel_ctx): Remove.
14472 (is_combined_parallel): New.
14473 (extract_omp_for_data): Move earlier in the file.
14474 (workshare_safe_to_combine_p): New.
14475 (get_ws_args_for): New.
14476 (determine_parallel_type): Move earlier in the file.
14477 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14479 (omp_copy_decl): Likewise.
14480 (create_omp_child_function): Likewise.
14481 (lookup_omp_region): New.
14482 (dump_omp_region): New.
14483 (debug_omp_region): New.
14484 (debug_all_omp_regions): New.
14485 (new_omp_region): New.
14486 (scan_omp_parallel): If parallel_nesting_level > 1, the
14487 directive is nested within another parallel directive.
14488 Set OMP_PARALLEL_FN.
14489 (scan_omp_for): Do not try to handle combined parallel+for
14491 Remove FIXME comment.
14492 (scan_omp_nested): Remove.
14493 (scan_omp_1): Do not call scan_omp_nested when
14494 parallel_nesting_level is > 1.
14495 Do not change the DECL_CONTEXT of local variables found.
14496 (lookup_decl_in_outer_ctx): New.
14497 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14498 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14499 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14500 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14501 If CTX is nested, lookup VAR in the outer context when
14502 building copy assignment.
14503 (lower_send_clauses): Rename from expand_send_clauses.
14504 If CTX is nested, lookup VAR in the outer context when
14505 building copy assignments.
14506 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14507 If CTX is nested, lookup VAR in the outer context when
14508 building copy assignments.
14509 (expand_parallel_call): Rename from build_parallel_call.
14510 Handle combined parallel+workshare cases.
14511 Re-implement to emit code into the CFG.
14513 (expand_omp_parallel): Re-implement to emit code into the CFG.
14514 Call move_sese_region_to_fn to outline the sub-graph
14515 containing the parallel region.
14516 (expand_omp_for_1): Remove.
14517 (expand_omp_for_generic): Re-implement to emit code into the
14519 (expand_omp_for_static_nochunk): Likewise.
14520 (expand_omp_for_static_chunk): Likewise.
14521 (expand_omp_for): Likewise.
14522 (expand_omp_sections): Likewise.
14523 (remove_exit_barriers): New.
14524 (expand_omp_synch): New.
14526 (build_omp_regions_1): New.
14527 (build_omp_regions): New.
14528 (execute_expand_omp): New.
14529 (gate_expand_omp): New.
14530 (pass_expand_omp): Define.
14531 (lower_omp_sections): Rename from expand_omp_sections.
14532 Set OMP_SECTIONS_SECTIONS.
14533 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14534 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14535 (lower_omp_single): Rename from expand_omp_simple.
14536 (lower_omp_master): Rename from expand_omp_master.
14537 (lower_omp_ordered): Rename from expand_omp_ordered.
14538 (lower_omp_critical): Rename from expand_omp_critical.
14539 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14540 (lower_omp_for): Re-implement.
14541 (lower_omp_parallel): Re-implement.
14542 (lower_regimplify): Rename from expand_regimplify.
14543 (lower_omp_1): Rename from expand_omp_1.
14544 If there are syntax errors in the program, replace every
14545 OpenMP directive with NOP.
14546 Call lower_omp_* instead of expand_omp_*.
14547 (lower_omp): Rename from expand_omp.
14549 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14550 * tree-gimple.h (enum omp_parallel_type): Remove.
14551 (gimple_boolify): Declare extern.
14552 (find_omp_clause, determine_parallel_type): Remove.
14554 * gimple-low.c (lower_omp_directive): New.
14555 (lower_stmt): Call it.
14556 (record_vars_into): Move from ...
14557 (record_vars): ... here.
14558 Call record_vars_into with current_function_decl.
14560 * gimplify.c (struct gimplify_ctx): Remove fields
14561 combined_pre_p and combined_ctxp. Update users.
14562 (get_formal_tmp_var): Add documentation.
14563 (gimple_boolify): Make extern.
14564 (gimplify_expr_in_ctx): Remove. Update callers.
14565 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14566 will always be a BIND_EXPR.
14567 (gimplify_expr): Handle OMP_RETURN_EXPR.
14568 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14569 (OMP_PARALLEL): Add 3 operands.
14570 (OMP_SECTIONS): Add 1 operand.
14571 (OMP_RETURN_EXPR): Define.
14573 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14574 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14575 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14576 creating a circular free list.
14577 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14579 * tree-flow.h (move_sese_region_to_fn): Declare.
14580 (record_vars_into): Declare.
14581 * tree-cfg.c (make_omp_sections_edges): New.
14582 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14583 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14584 OMP_SECTIONS and OMP_SECTION.
14585 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14586 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14587 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14588 (gather_blocks_in_sese_region): New.
14589 (struct move_stmt_d): Declare.
14590 (move_stmt_r): New.
14591 (move_block_to_fn): New.
14592 (move_sese_region_to_fn): New.
14594 * passes.c (init_optimization_passes): Schedule
14595 pass_expand_omp after pass_init_datastructures.
14597 * tree-ssa-operands.c (get_expr_operands): Handle
14598 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14599 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14601 2006-01-19 Jeff Law <law@redhat.com>
14603 * tree-vrp.c (extract_range_from_assert): Refine the result range
14604 if the variable referenced by the ASSERT_EXPR has a range and
14605 either the tentative result range or the previous range is a
14608 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14610 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14612 2006-01-19 Jan Hubicka <jh@suse.cz>
14614 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14616 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14618 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14619 (expand_compound_operation, expand_field_assignment): Fail if the
14620 bit lengths of an extract operation are out of range.
14621 (make_extraction): Compute wanted_inner_mode based on the position
14622 and length of the extraction. Make it extraction_mode for non-constant
14623 positions, and do not modify offset in that case. When generating a
14624 new MEM, use a mode that can hold the extraction while keeping correct
14625 alignment. Remove code that supported MEMs wrapped by USEs.
14626 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14628 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14630 * config/s390/s390.md ("Y", "y"): New mode attribute.
14631 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14632 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14633 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14634 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14635 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14636 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14637 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14638 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14639 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14640 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14641 "addsi3", "subsi3"): Insn patterns removed.
14642 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14643 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14644 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14645 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14646 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14647 "*sub<mode>3_cconly2"): New insn patterns.
14648 ("addsi3", "subsi3"): New expanders.
14650 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14652 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14653 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14654 existing STMT_VINFO_VECTYPE if available.
14655 (vect_mark_relevant): Add special handling for stmts that are
14656 marked as STMT_VINFO_IN_PATTERN_P.
14657 (vect_analyze_loop): Call vect_pattern_recog.
14658 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14659 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14661 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14662 (vect_recog_func_ptr): New function-pointer type.
14663 * tree-vect-patterns.c: New file.
14664 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14665 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14666 (vect_pattern_recog_1): New functions.
14667 (vect_pattern_recog_funcs): New array of function pointers.
14669 * tree-vectorizer.h (ternary_op): New enum value.
14670 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14671 declaration. Revised documentation. Removed redundant dump prints.
14672 Removed redundant argument. Added support for reduction patterns.
14673 (vectorizable_reduction): Added support for reduction patterns.
14674 (vect_transform_stmt): Added support for patterns.
14676 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14677 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14678 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14679 (expand_widen_pattern_expr): New function.
14680 (init_optabs): Initialize new optabs udot_prod_optab,
14682 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14683 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14684 (expand_widen_pattern_expr): New function declaration.
14685 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14687 * tree-inline.c (estimate_num_insns_1): Added cases for new
14688 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14689 * tree-pretty-print.c (dump_generic_node): Likewise.
14690 (op_prio): Likewise.
14691 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14692 * tree-ssa-operands.c (get_expr_operands): Added case for
14694 * tree-vect-patterns.c (widened_name_p): New function.
14695 (vect_recog_dot_prod_pattern): Added function implementation.
14696 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14697 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14698 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14699 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14701 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14702 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14703 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14704 (init_optabs): Initialize new optabs widen_ssum_optab,
14706 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14707 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14708 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14709 use instead of type of def.
14710 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14711 function implementation.
14712 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14713 widen_ssumv8hi): New.
14715 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14718 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14721 * c-decl.c (add_flexible_array_elts_to_size): New function.
14722 (finish_decl): Use it.
14724 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14726 * diagnostic.h: Include options.h.
14727 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14728 dependancies for diagnostic.h.
14729 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14731 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14733 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14734 (ssa_ro_call_cache_valid): Ditto.
14735 * tree-ssa-alias.c (sort_tags_by_id): New function.
14736 (init_transitive_clobber_worklist): Ditto.
14737 (add_to_worklist): Ditto.
14738 (mark_aliases_call_clobbered): Ditto.
14739 (compute_tag_properties): Ditto.
14740 (set_initial_properties): Ditto.
14741 (compute_call_clobbered): Ditto.
14742 (compute_may_aliases): Call compute_call_clobbered and grouping.
14743 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14744 (compute_flow_insensitive_aliasing): Grouping now happens in our
14746 (setup_pointers_and_addressables): Remove clobbering related code.
14747 (add_may_alias): Ditto.
14748 (replace_may_alias): Ditto.
14749 (get_nmt_for): Ditto.
14750 (create_global_var):
14751 (is_escape_site): Return an escape_type enumeration.
14752 * tree-flow-inline.h (is_call_clobbered): Global var does not
14753 imply call clobbered.
14754 (mark_call_clobbered): Take a reason for marking this. Remove
14755 marking of globalness, and cache invalidation.
14756 (clear_call_clobbered): Remove cache invalidation code.
14757 * tree-dfa.c (dump_variable): If details is on, dump the reason
14759 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14761 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14762 (struct var_ann_d): Ditto.
14763 (enum escape_type): New.
14764 (mark_call_clobbered): Adjust prototype.
14765 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14766 are never call clobbered.
14767 Record reasons for escaping.
14768 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14769 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14770 (ssa_ro_call_cache_valid): Ditto.
14771 (clobbered_v_may_defs): Ditto.
14772 (clobbered_vuses): Ditto.
14773 (ro_call_vuses): Ditto.
14774 (clobber_stats): New.
14775 (init_ssa_operands): Zero out clobber stats.
14776 (fini_ssa_operands): Print out clobber stats.
14777 (get_call_expr_operands): Pass callee fndecl to
14778 add_call_read_ops).
14779 (add_call_clobber_ops): Remove use of cache.
14780 Add use of PURE_CONST information.
14781 (add_call_read_ops): Remove use of cache.
14782 Add use of static not_read information.
14784 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14786 Introduce TLS descriptors for i386 and x86_64.
14787 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14788 (TARGET_ANY_GNU_TLS): New macro.
14789 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14790 (struct machine_function): Add tls_descriptor_call_expanded_p.
14791 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14792 (ix86_current_function_calls_tls_descriptor): Likewise.
14793 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14794 (override_options): Introduce gnu2 tls dialect.
14795 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14797 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14799 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14800 (ix86_init_machine_status): Initialize new field.
14801 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14802 (ix86_tls_module_base): New.
14803 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14804 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14805 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14806 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14807 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14808 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14809 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14810 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14811 * config/i386/predicates.md (tls_modbase_operand): New.
14812 (tp_or_register_operand): New.
14814 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14816 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14817 (look_for_address_of): Ditto.
14818 (ipa_init): Walk the function decls.
14819 (static_execute): Don't set readonly on FUNCTION_DECL's.
14821 2006-01-18 Roger Sayle <roger@eyesopen.com>
14823 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14824 for shifts where the source and destination registers are different.
14826 2006-01-18 Paul Brook <paul@codesourcery.com>
14828 Merge from csl-arm-branch.
14829 2005-03-14 Julian Brown <julian@codesourcery.com>
14830 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14831 (aeabi_llsl): Likewise.
14832 (ashrdi3): Likewise.
14833 (aeabi_lasr): Likewise.
14834 (lshrdi3): Likewise.
14835 (aeabi_llsr): Likewise.
14836 2005-03-10 Julian Brown <julian@codesourcery.com>
14837 * config.gcc: Disable shared libgcc for SymbianOS.
14838 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14840 2006-01-18 DJ Delorie <dj@redhat.com>
14842 * c-pragma.c (handle_pragma_diagnostic): New.
14843 (init_pragma): Register it.
14844 * doc/extend.texi: Document it.
14846 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14847 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14848 (diagnostic_context): Add classify_diagnostic[].
14849 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14850 as errors if they're overridden to DK_WARNING.
14851 (diagnostic_initialize): Initialize classify_diagnostic[].
14852 (diagnostic_set_kind_override): New.
14853 (diagnostic_report_diagnostic): Check for kind changes.
14854 * opts.c (common_handle_option): Take lang_mask. Update callers.
14855 Handle OPT_Werror_.
14856 * common.opt (Werror=): New.
14857 * doc/invoke.texi: Document -Werror=*
14859 2006-01-18 Jeff Law <law@redhat.com>
14861 * tree-vrp.c (test_for_singularity): Correct test for new
14862 min limit. Use operand_equal_p rather than pointer equality
14863 for testing if new min/max values are equal.
14865 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14866 using range information until after propagation and folding.
14868 2006-01-18 Richard Henderson <rth@redhat.com>
14869 Aldy Hernandez <aldyh@redhat.com>
14870 Jakub Jelinek <jakub@redhat.com>
14871 Diego Novillo <dnovillo@redhat.com>
14873 * omp-low.c: New file.
14874 * c-omp.c: New file.
14876 2006-01-18 Richard Henderson <rth@redhat.com>
14877 Jakub Jelinek <jakub@redhat.com>
14878 Diego Novillo <dnovillo@redhat.com>
14880 * doc/invoke.texi: Document -fopenmp.
14881 * tree-dump.h (debug_function): Declare.
14882 * hooks.c (hook_bool_tree_bool_false): New function.
14883 (hook_tree_tree_null): Remove.
14884 (hook_tree_tree_tree_null): New.
14885 * hooks.h: Update to match.
14886 * tree-pretty-print.c (debug_tree_chain): New.
14887 (print_generic_expr): Handle TDF_CHAIN.
14888 (dump_generic_node): Handle BLOCK.
14889 Do not abort with incomplete SWITCH_EXPRs.
14890 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14891 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14892 print space after directive name.
14893 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14894 Handle OMP_MASTER and OMP_ORDERED.
14895 Handle printing of OMP_BODY just in one place, goto
14896 dump_omp_body in the rest of OMP_* nodes that have
14898 Don't handle clause nodes here. Update omp statements to
14899 use dump_omp_clauses.
14900 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14901 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14902 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14903 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14904 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14905 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14906 Adjust output for GOMP_PARALLEL.
14907 (dump_omp_clauses): New.
14908 (print_declaration): Dump DECL_VALUE_EXPR.
14909 (op_symbol_1): Split out of op_symbol.
14910 (dumping_stmts): Remove. Update all users.
14911 * cgraph.c (cgraph_analyze_queue): New.
14912 (cgraph_add_new_function): New.
14913 * cgraph.h (cgraph_analyze_queue): Declare.
14914 (cgraph_add_new_function): Declare.
14915 (cgraph_lower_function): Remove.
14916 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14917 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14918 and TYPE_P nodes in its default clause.
14919 (empty_body_p): New.
14920 (tree_range_check_failed): New.
14921 (build5_stat): New.
14922 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14923 OMP_CLAUSE_REDUCTION_MERGE,
14924 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14925 OMP_CLAUSE_PRIVATE_DEBUG,
14926 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14927 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14928 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14929 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14930 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14931 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14932 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14933 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14934 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14935 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14936 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14937 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14938 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14939 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14940 (TREE_RANGE_CHECK): New.
14941 (empty_body_p): Declare.
14942 (enum omp_clause_default_kind): New.
14943 (build_string_literal): Declare.
14944 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14945 (build5_stat, build5): Declare.
14946 * tree-pass.h (TDF_CHAIN): Define.
14947 * tree-pass.h (PROP_gimple_lomp): Define.
14948 (pass_lower_omp): Declare.
14949 * diagnostic.h (debug_tree_chain): Declare.
14950 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14952 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14953 * builtins.c (build_string_literal): Make extern.
14954 * gcc.c (include_spec_function): New.
14955 (static_spec_functions): Add it.
14956 (main): Move load of libgomp.spec ...
14957 (LINK_COMMAND_SPEC): ... here.
14958 (link_gomp_spec): New.
14959 (static_specs): Include it.
14960 (LINK_COMMAND_SPEC): Add link_gomp.
14961 (GOMP_SELF_SPECS): New.
14962 (driver_self_specs): Include it.
14963 (switch_matches): Don't mark inline.
14964 (main): Load libgomp.spec.
14965 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14966 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14967 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14968 * tree-gimple.h (enum omp_parallel): Declare.
14969 (determine_parallel_type): Declare.
14970 (omp_firstprivatize_variable): Declare.
14971 (omp_reduction_init): Declare.
14972 (diagnose_omp_structured_block_errors): Declare.
14973 (struct walk_stmt_info): Add want_return_expr.
14974 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14975 (find_omp_clause): Declare.
14976 (insert_field_into_struct): Declare.
14977 (struct walk_stmt_info): Move from tree-nested.c
14978 (walk_stmts): Declare.
14979 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14981 * cgraphunit.c (cgraph_lower_function): Make static.
14982 (cgraph_finalize_pending_functions): New.
14983 (cgraph_finalize_function): Call it.
14984 (cgraph_finalize_compilation_unit): Likewise.
14985 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14986 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14987 (BT_FN_UINT_UINT): New.
14988 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14989 DEF_FUNCTION_TYPE_VAR_4): Document.
14990 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14991 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14992 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14993 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14994 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14995 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14996 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14997 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14998 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14999 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15000 into separate files.
15001 (DEF_GOMP_BUILTIN): New.
15002 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15003 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15004 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15005 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15006 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15007 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15008 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15009 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15010 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15011 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15012 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15013 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15014 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15015 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15016 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15017 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15018 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15019 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15020 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15021 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15022 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15023 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15024 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15025 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15026 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15027 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15028 * sync-builtins.def: New file, moved from builtins.def.
15029 * omp-builtins.def: New file, moved from builtins.def.
15030 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15031 * gimple-low.c (lower_function_body): Clear data.
15032 (lower_stmt): Do not handle COMPOUND_EXPR.
15033 Remove call to print_node_brief.
15034 * c-tree.h (c_finish_omp_clauses): New prototype.
15035 (C_DECL_THREADPRIVATE_P): Define.
15036 (lookup_name_no_remap, c_omp_remap_private): Remove
15037 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15038 (check_for_loop_decls): Update decl.
15039 (lookup_name_no_remap, c_omp_remap_private): Declare.
15040 (build_indirect_ref, build_modify_expr, pushdecl,
15041 pushdecl_top_level): Move to c-common.h.
15042 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15043 before the switch, but just in the 2 places that need it.
15044 * c-decl.c (diagnose_mismatched_decls): Do not check for
15045 mismatched thread-local attributes when OLDDECL is marked
15046 threadprivate and NEWDECL has no thread-local attributes.
15047 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15048 (c_gimple_diagnostics_recursively): Rename from
15049 c_warn_unused_result_recursively. Invoke
15050 diagnose_omp_structured_block_errors.
15051 (check_for_loop_decls): Return a singular decl found.
15052 * langhooks.c (lhd_omp_predetermined_sharing): Return
15053 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15054 (lhd_omp_firstprivatize_type_sizes): New.
15055 (lhd_omp_assignment): New.
15056 (lhd_omp_predetermined_sharing): New.
15057 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15058 (struct lang_hooks_for_types): Add
15059 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15060 omp_predetermined_sharing, omp_disregard_value_expr,
15061 omp_private_debug_clause, omp_clause_default_ctor,
15062 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15063 (c_finish_omp_clauses): New.
15064 (c_finish_bc_stmt): Diagnose break within omp for.
15065 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15066 (build_unary_op): Return error_mark after reporting
15068 (build_modify_expr): Likewise.
15069 * gimplify.c: Include optabs.h and pointer-set.h.
15070 (enum gimplify_omp_var_data): Declare.
15071 (struct gimplify_omp_ctx): Declare.
15072 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15074 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15075 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15076 (splay_tree_compare_decl_uid): New.
15077 (new_omp_context): New.
15078 (delete_omp_context): New.
15079 (gimple_add_tmp_var): Call omp_add_variable.
15080 (gimplify_bind_expr): Likewise.
15081 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15082 true, disregard DECL_VALUE_EXPR on the decl if any.
15083 (gimplify_expr_in_ctx): New.
15084 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15085 omp_add_variable, omp_notice_variable, omp_is_private
15086 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15087 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15088 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15089 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15090 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15091 gimplify_omp_atomic): New.
15092 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15093 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15094 OMP_CRITICAL and OMP_ATOMIC.
15095 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15096 * c-pragma.h (enum pragma_kind): Add
15097 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15098 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15099 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15100 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15101 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15102 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15103 PRAGMA_OMP_THREADPRIVATE.
15104 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15105 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15106 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15107 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15108 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15109 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15110 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15111 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15112 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15113 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15114 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15115 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15116 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15118 (struct nesting_info): Add field_map,
15119 suppress_expansion, debug_var_chain.
15120 (create_nesting_tree): Initialize them.
15121 (lookup_field_for_decl): Use field_map.
15122 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15123 (convert_local_omp_clauses): New.
15124 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15125 (walk_body): Split out of walk_function.
15126 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15127 (convert_nonlocal_reference): Handle omp statements.
15128 (convert_local_reference): Likewise.
15129 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15130 (unnest_nesting_tree): New.
15131 (lower_nested_functions): Call it.
15132 (insert_field_into_struct): Make extern.
15133 (struct walk_stmt_info): Move to tree-gimple.h.
15134 (walk_stmts): Make extern.
15135 * omp-builtins.def: New file.
15136 * tree-iterator.c (expr_only): Clarify comment.
15137 * c-common.h (pushdecl_top_level, pushdecl,
15138 build_modify_expr, build_indirect_ref,
15139 c_finish_omp_master, c_finish_omp_critical,
15140 c_finish_omp_ordered, c_finish_omp_barrier,
15141 c_finish_omp_atomic, c_finish_omp_flush,
15142 c_finish_omp_for, c_split_parallel_clauses,
15143 omp_clause_default_kind, c_omp_sharing_predetermined,
15144 c_omp_remap_decl): Declare.
15145 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15146 (OBJS-common): Add omp-low.o.
15147 (c-omp.o, omp-low.o): Add.
15148 (gimplify.o): Add dependency on $(OPTABS_H).
15149 (GTFILES): Add omp-low.c.
15150 (gt-stringpool.h): Add.
15151 * tree-cfg.c (set_bb_for_stmt): Do not update the
15152 block-to-labels map if we are currently expanding to RTL.
15153 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15155 Handle IDENTIFIER_NODE.
15156 (tree_verify_flow_info): Do not ICE when emitting error
15157 messages about invalid labels.
15158 (dump_function_to_file): Reset CFUN before emitting the body
15160 (debug_function): New.
15161 * passes.c (init_optimization_passes): Schedule
15163 * langhooks-def.h (lhd_omp_predetermined_sharing,
15164 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15166 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15167 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15168 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15169 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15170 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15171 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15172 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15173 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15174 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15175 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15176 (LANG_HOOK_DECLS): Use them.
15178 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15179 Richard Henderson <rth@redhat.com>
15180 Jakub Jelinek <jakub@redhat.com>
15181 Diego Novillo <dnovillo@redhat.com>
15183 * c-parser.c (pragma_omp_clause): Define.
15184 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15185 (c_parser_compound_statement): Likewise.
15186 (c_parser_statement): Likewise.
15187 (c_parser_pragma): Handle omp pragmas.
15188 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15189 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15190 (c_parser_omp_clause_name, check_no_duplicate_clause,
15191 c_parser_omp_variable_list,
15192 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15193 c_parser_omp_clause_copyprivate,
15194 c_parser_omp_clause_default,
15195 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15196 c_parser_omp_clause_lastprivate,
15197 c_parser_omp_clause_nowait,
15198 c_parser_omp_clause_num_threads,
15199 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15200 c_parser_omp_clause_reduction,
15201 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15202 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15203 c_parser_omp_atomic, c_parser_omp_barrier,
15204 c_parser_omp_critical, c_parser_omp_flush,
15205 c_parser_omp_for_loop, c_parser_omp_for,
15206 c_parser_omp_master, c_parser_omp_ordered,
15207 c_parser_omp_sections_scope, c_parser_omp_sections,
15208 c_parser_omp_parallel, c_parser_omp_single,
15209 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15210 * c-pragma.c (init_pragma): Do omp pragma registration here.
15211 * c.opt (fopenmp): New flag.
15213 2006-01-18 Eric Christopher <echristo@apple.com>
15215 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15216 * config/darwin.h (GOMP_SELF_SPECS): Define.
15218 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15220 * rtl.h: Remove the prototype for reg_alloc.
15222 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15225 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15226 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15227 sjlj and dwarf2 exception handling.
15228 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15229 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15230 * pa/pa.c (function_value): Treat complex and vector types as
15232 (function_arg): Likewise. Only pass scalar floats in the floating
15233 point argument registers.
15234 * pa/t-slibgcc-dwarf-ver: New file.
15235 * pa/t-slibgcc-sjlj-ver: New file.
15236 * pa/t-slibgcc-elf-ver: Delete file.
15238 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15240 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15241 unlikely_test_section_p test.
15243 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15245 * mode-switching.c (optimize_mode_switching): Make it static.
15246 * basic-block.h: Remove the prototype for
15247 optimize_mode_switching.
15249 * modulo-sched.c (sms_schedule): Make it static.
15250 * rtl.h: Remove the prototype for sms_schedule.
15252 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15253 * rtl.h: Remove the prototype for gcse_after_reload_main.
15255 * reg-stack.c (reg_to_stack): Make it static.
15256 * rtl.h: Remove the prototype for reg_to_stack.
15258 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15260 * rtl.h: Remove the prototypes for regrename_optimize and
15261 copyprop_hardreg_forward.
15263 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15265 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15266 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15267 Test against the appropriate null constant for the mode.
15268 If 'fixup_overlap' is true, swap the operands if they overlap.
15269 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15270 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15271 alpha_split_tmode_pair and adjust for above change.
15272 * config/alpha/alpha.md (movtf_internal): Adjust call to
15273 alpha_split_tfmode_pair and rely on it to swap the operands.
15274 (movti_internal): New insn and post-reload splitter.
15275 (movti): New expander.
15277 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15279 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15282 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15284 * rtlanal.c (global_reg_mentioned_p_1,
15285 global_reg_mentioned_p): Remove.
15286 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15288 * flow.c (initialize_uninitialized_subregs): Make it static.
15289 * rtl.h: Remove the prototype for
15290 initialize_uninitialized_subregs.
15292 * function.c (instantiate_virtual_regs): Make it static.
15293 * function.h: Remove the prototype for
15294 instantiate_virtual_regs.
15296 * regmove.c (regmove_optimize, combine_stack_adjustments):
15298 * rtl.h: Remove the prototypes for regmove_optimize and
15299 combine_stack_adjustments.
15301 2006-01-17 Roger Sayle <roger@eyesopen.com>
15303 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15304 (size_cost): Encode costs in bytes so that a reg-reg addition is
15305 equivalent to COSTS_N_INSNS(1).
15306 (override_options): Use the size_cost.branch_cost as the default
15307 ix86_branch_cost when optimizing for size.
15309 2006-01-18 Ben Elliston <bje@au.ibm.com>
15311 * Makefile.in (D32PBIT_FUNCS): New.
15312 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15313 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15314 D64PBIT_FUNCS and D128PBIT_FUNCS.
15315 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15316 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15318 (decnumber_dep): Define.
15319 * doc/libgcc.texi (Decimal float library routines): New node.
15320 * config/dfp-bit.h, config/dfp-bit.c: New files.
15322 2006-01-18 Ben Elliston <bje@au.ibm.com>
15324 * expr.c (emit_move_change_mode): Always adjust addresses, not
15325 just during reload. Copy replacements only during reload.
15326 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15327 emit_move_via_integer.
15329 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15331 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15332 instead of $(srcdir) and ${srcdir}.
15334 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15337 PR middle-end/11135
15338 * arm.h (struct machine_function): Add pic_reg.
15339 * arm.c (arm_pic_register): Make unsigned.
15340 (arm_override_options): Only set arm_pic_register if
15341 TARGET_SINGLE_PIC_BASE.
15342 (use_return_insn): Only test for a pic register if it is fixed.
15343 (arm_compute_save_reg0_reg12_mask): Likewise.
15344 (thumb_compute_save_reg_mask): Likewise.
15345 (legitimate_pic_operand): Factor out some known invariants.
15346 (legitimize_pic_address): If we don't have a fixed pic register,
15347 then set up a pseudo in the function entry sequence. Handle the
15348 pic base being in a pseudo.
15349 (arm_load_pic_register): Handle the pic register being in a pseudo.
15350 (arm_expand_prologue): Only set up the pic register if it is fixed.
15351 (thumb_expand_prologue): Likewise.
15352 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15353 (pic_load_addr_based_insn): Likewise.
15354 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15357 2006-01-18 Ben Elliston <bje@au.ibm.com>
15359 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15360 decimal float modes for all floating point registers.
15362 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15363 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15365 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15368 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15369 even when the pointer is not NULL.
15371 2006-01-16 Ian Lance Taylor <ian@airs.com>
15373 * common.opt (ftoplevel-reorder): New option.
15374 * cgraph.c (cgraph_asm_nodes): New global variable.
15375 (cgraph_asm_last_node): New static variable.
15376 (cgraph_order): New global variable.
15377 (cgraph_create_node): Set new order field.
15378 (cgraph_varpool_node): Likewise.
15379 (decide_is_variable_needed): Return true if not
15380 flag_toplevel_reorder.
15381 (cgraph_add_asm_node): New function.
15382 * cgraph.h (struct cgraph_node): Add order field.
15383 (struct cgraph_varpool_node): Add order field.
15384 (struct cgraph_asm_node): Define.
15385 (cgraph_asm_nodes, cgraph_order): Declare.
15386 (cgraph_add_asm_node): Declare.
15387 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15389 (cgraph_varpool_assemble_pending_decls): Call it.
15390 (cgraph_output_pending_asms): New static function.
15391 (cgraph_finalize_compilation_unit): Call it.
15392 (struct cgraph_order_sort): Define.
15393 (cgraph_output_in_order): New static function.
15394 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15395 !flag_toplevel_reorder case.
15396 * c-parser.c: Include "cgraph.h".
15397 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15399 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15400 than -fno-unit-at-a-time.
15401 * doc/invoke.texi (Option Summary): Mention
15402 -fno-toplevel-reorder.
15403 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15404 -funit-at-a-time documentation.
15406 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15407 Kazu Hirata <kazu@codesourcery.com>
15409 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15411 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15413 * Makefile.in (FUNCTION_H): New. Use it instead of
15414 function.h throughout the file.
15415 * function.h: Include tree.h.
15417 2006-01-17 Ben Elliston <bje@au.ibm.com>
15419 * recog.c: Separate some functions with whitespace.
15421 2006-01-16 Richard Henderson <rth@redhat.com>
15423 Merge from gomp branch:
15424 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15425 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15426 and rename from struct inline_data. Rename callee* to dst*;
15427 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15428 transform_new_cfg, transform_return_to_modify, and
15429 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15431 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15432 (copy_decl_for_dup): Remove.
15433 * tree-inline.c (struct inline_data): Move to header.
15434 (insert_decl_map): Export.
15435 (remap_decl): Update for member name changes. Use copy_decl hook.
15436 Allow for replacement to be a non-decl. Remove dead code.
15437 (remap_type_1): Check for existing mapping.
15438 (remap_type): Export.
15439 (remap_decls): Update for member name changes.
15440 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15441 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15442 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15443 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15444 (tree_function_versioning, build_duplicate_type): Likewise.
15445 (copy_body_r): Likewise. Export.
15446 (copy_decl_for_dup): Split into ...
15447 (copy_decl_for_dup_finish, copy_decl_to_var,
15448 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15449 (replace_ref_tree, inlining_p): Remove.
15451 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15453 * ifcvt.c (if_convert): Make it static.
15454 * rtl.h: Remove the prototype for if_convert.
15456 * local-alloc.c (local_alloc): Make it static.
15457 * rtl.h: Remove the prototype for local_alloc.
15459 * loop.c (loop_optimize): Make it static.
15460 * cfgloop.h: Remove the prototype for loop_optimize.
15463 2006-01-16 DJ Delorie <dj@redhat.com>
15465 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15468 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15470 * pa.md: Disparage copies between general and floating-point registers
15471 in 32-bit move patterns.
15473 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15476 * Makefile.in (check-%): Depend on site.exp instead of
15477 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15480 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15482 * global.c (global_alloc): Make it static.
15483 * rtl.h: Remove the prototype for global_alloc.
15485 2006-01-16 Richard Guenther <rguenther@suse.de>
15487 * tree-ssa-alias.c (struct used_part): Add write_only field.
15488 (get_or_create_used_part_for): Initialize it to true.
15489 (create_overlap_variables_for): Don't create structure variables
15490 for structures that only are written to.
15491 (find_used_portions): Handle MODIFY_EXPR to track whether a
15492 structure is only written to.
15494 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15496 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15498 * basic-block.h: Remove the prototype for
15499 partition_hot_cold_basic_blocks.
15501 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15503 * cppspec.c (lang_specific_spec_functions): Remove.
15504 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15505 * gcc.h (lang_specific_spec_functions): Remove.
15506 * gccspec.c (lang_specific_spec_functions): Remove.
15508 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15510 * combine.c (record_value_for_reg): Invalidate registers
15512 (record_dead_and_set_regs_1): Likewise, by passing them to
15513 record_value_for_reg.
15514 (record_dead_and_set_regs): Invalidate stores made by a
15515 call. We do not combine across a call, but we still
15516 relied on equivalences.
15518 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15520 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15521 vrp_int_const_binop returning non-constant nodes.
15523 2006-01-16 Paul Brook <paul@codesourcery.com>
15525 * config/m68k/m68k.c (output_move_const_into_data_reg):
15526 Output correct mnemonic for mvz and mvs.
15528 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15530 * rtl-factoring.c: Add sequence abstraction algorithm.
15531 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15532 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15534 (block_has_preserve_label): New function.
15535 * common.opt: Register new pass.
15536 * Makefile.in: Ditto.
15538 * timevar.def: Ditto.
15539 * tree-pass.h: Ditto.
15540 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15541 * rtl.h (make_jump_insn_raw): Add forward decl.
15542 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15544 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15545 Roger Sayle <roger@eyesopen.com>
15547 * fold-const.c (fold_minmax): New static function.
15548 (fold_binary) <MIN_EXPR>: Call it.
15549 <MAX_EXPR>: Likewise.
15550 * stor-layout.c (place_field): Use DECL_SIZE consistently
15551 in the computation of the new record size.
15553 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15555 * cse.c (cse_condition_code_reg): Make it static.
15556 * rtl.h: Remove the prototype for cse_condition_code_reg.
15558 * combine.c (combine_instructions): Make it static.
15559 * rtl.h: Remove the prototype for combine_instructions.
15561 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15564 * tree.c (get_file_function_name_long): Concatenate the first global
15565 object name with a string derived from the input filename of the object
15568 2006-01-16 Ben Elliston <bje@au.ibm.com>
15570 * config/i386/winnt-stubs.c: Update FSF address.
15571 * config/xtensa/ieee754-df.S: Ditto.
15572 * config/xtensa/ieee754-sf.S: Ditto.
15574 2006-01-14 Ian Lance Taylor <ian@airs.com>
15576 * ifcvt.c (noce_init_if_info): New static function, broken out of
15577 noce_process_if_block.
15578 (noce_process_if_block): Call noce_init_if_info.
15579 (check_cond_move_block): New static function.
15580 (cond_move_process_if_block): New static function.
15581 (process_if_block): Call cond_move_process_if_block.
15583 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15585 * cselib.c (hash_table): Rename to cselib_hash_table.
15586 (cselib_clear_table, discard_useless_values,
15587 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15588 cselib_init, cselib_finish): Adjust uses of hash_table.
15590 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15592 PR tree-optimization/25485
15593 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15594 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15595 is known to be false and true, respectively.
15597 2006-01-14 Richard Guenther <rguenther@suse.de>
15599 PR tree-optimization/22548
15600 PR tree-optimization/22555
15601 PR tree-optimization/22501
15602 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15603 * params.def (salias-max-array-elements): New parameter.
15604 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15605 * doc/invoke.texi (salias-max-array-elements): Document.
15606 * tree-flow-inline.h (var_can_have_subvars): We also handle
15608 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15610 * tree-ssa-structalias.c (params.h): Include.
15611 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15612 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15613 (get_constraint_for): For ADDR_EXPR operating on something
15614 containing an ARRAY_REF, add all subvars to the solution.
15615 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15616 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15617 for creating MUST_DEFs.
15618 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15620 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15622 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15624 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15625 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15626 number_of_iterations_le): New functions.
15627 (number_of_iterations_special): Removed.
15628 (number_of_iterations_exit): Do not use number_of_iterations_special.
15629 * tree.c (unsigned_type_for): Always return integer type.
15631 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15632 Richard Guenther <rguenther@suse.de>
15634 PR rtl-optimization/24257
15635 * gcse.c (find_moveable_store): Only consider a store movable
15636 when the SET_SRC of the insn can be assigned to a register.
15638 2006-01-14 Ian Lance Taylor <ian@airs.com>
15640 * tree.c (tree_not_class_check_failed): New function.
15641 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15642 (tree_not_class_check_failed): Declare.
15644 2006-01-13 Ian Lance Taylor <ian@airs.com>
15646 * reload1.c (do_output_reload): Add assertion rejecting a
15649 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15651 * combine.c (struct reg_stat): Add new fields truncation_label and
15653 (record_value_for_reg): Reset truncated_to_mode.
15654 (record_truncated_value): New function.
15655 (check_promoted_subreg): Call it. Rename to check_conversions.
15656 (combine_instructions): Rename check_promoted_subreg to
15658 (reg_truncated_to_mode): New function.
15659 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15660 (gen_lowpart_or_truncate): New function.
15661 (force_to_mode): Use it instead of gen_lowpart.
15663 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15665 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15666 VAR is a tag, not its type tag.
15668 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15670 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15671 alternatives to match style of other entries.
15672 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15674 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15676 PR tree-optimization/25771
15677 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15680 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15683 * tree-inline.c (declare_return_variable): If the return variable
15684 was marked as a non gimple complex, set the return slot variable
15685 to be a non gimple comple variable.
15687 2006-01-13 Richard Guenther <rguenther@suse.de>
15689 * builtins.c (expand_builtin_sincos): New function.
15690 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15692 (expand_builtin): Expand sincos using expand_builtin_sincos.
15694 2006-01-12 DJ Delorie <dj@redhat.com>
15696 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15697 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15698 so that constant shifts can be split.
15699 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15700 (m32c_valid_pointer_mode): Make static.
15701 (shift_gen_func_for): New.
15702 (m32c_prepare_shift): Use it. Split large const shifts into
15704 * config/m32c/predicates.md (shiftcount_operand): Allow more
15706 (longshiftcount_operand): New.
15707 * doc/md.texi (Machine Constraints): Document In6.
15709 2006-01-13 Ben Elliston <bje@au.ibm.com>
15711 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15712 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15715 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15717 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15718 to try to avoid clobbering pieces of structures when we know
15719 something about the whole structure.
15720 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15722 2006-01-13 Ben Elliston <bje@au.ibm.com>
15724 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15725 return in memory, as this is no limitation is no longer present.
15727 2006-01-12 DJ Delorie <dj@redhat.com>
15729 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15730 mova with fb, and for fb+0 -> An.
15732 * config/m32c/mov.md (peephole2): Fix enabling logic.
15734 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15735 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15736 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15737 FINI_ARRAY_SECTION_ASM_OP): Define.
15739 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15741 (m32c_legitimize_reload_address): New logic to reload FB to An.
15742 (m32c_output_reg_push): Add newline.
15743 (m32c_output_reg_pop): Likewise.
15745 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15747 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15749 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15751 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15753 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15755 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15758 2006-01-11 Ben Elliston <bje@au.ibm.com>
15760 * rtlanal.c (find_reg_note): Assert insn is not null.
15762 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15764 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15767 2006-01-11 Jeff Law <law@redhat.com>
15769 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15771 (mark_threaded_blocks, register_jump_thread): New functions.
15772 (thread_through_all_blocks): Remove unwanted argument. No
15773 longer rely on e->aux to communicate thread target info.
15774 Call mark_threaded_blocks. Release the threaded_blocks
15775 bitmap and threaded_edges vector when complete.
15776 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15777 (threaded_blocks): Remove.
15778 (tree_ssa_dominator_optimize): Remove initialization and
15779 finalization of threaded_blocks. Simplify call to
15780 thread_through_all_blocks.
15781 (thread_across_edge): Call register_jump_thread rather than
15782 storing thread information into e->aux.
15783 (free_all_edge_infos): Simplify now that e->aux is no longer
15784 used to communicate with thread_through_all_blocks.
15785 * tree-flow.h (thread_through_all_blocks): Update prototype.
15786 (register_jump_thread): Prototype.
15788 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15790 * df-core.c (df_compact_blocks, df_bb_replace): Use
15791 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15793 2006-01-11 Richard Guenther <rguenther@suse.de>
15795 PR tree-optimization/25734
15796 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15797 stop propagation after successful propagation to the LHS.
15799 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15801 * basic-block.h (control_flow_graph): Change the type of
15802 x_basic_block_info to VEC(basic_block,gc) *.
15803 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15805 (SET_BASIC_BLOCK): New.
15806 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15807 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15808 * cfgbuild.c (find_basic_blocks): Likewise.
15809 * cfglayout.c (fixup_reorder_chain): Likewise.
15810 * cfgrtl.c (create_basic_block_structure,
15811 rtl_create_basic_block): Likewise.
15812 * ifcvt.c (find_if_case_1): Likewise.
15813 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15816 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15818 * Makefile.in: Removed rotted odf.c entry.
15820 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15823 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15824 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15825 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15826 output pattern modifier, not %e.
15827 * config/cris/cris.c (cris_op_str): Update comment about pattern
15829 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15830 before falling through into...
15831 <case 'E'>: Redefined from old 'e' case.
15833 2006-01-11 Jan Hubicka <jh@suse.cz>
15836 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15838 2006-01-11 Jan Hubicka <jh@suse.cz>
15840 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15841 * i386.c (x86_decompose_lea): Kill.
15842 (ix86_rtx_costs): Kill.
15844 2006-01-11 Jan Hubicka <jh@suse.cz>
15846 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15847 * cgraph.h (cgraph_node): Add inline_decl.
15848 (cgraph_insert_node_to_hashtable): Declare.
15849 (save_inline_function_body): Declare.
15850 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15852 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15853 (cgraph_function_versioning): Update call of tree_function_versioning.
15854 (save_inline_function_body): New function.
15855 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15856 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15857 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15858 (cgraph_default_inline_p): Likewise.
15859 (cgraph_decide_inlining_incrementally): Likewise.
15860 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15861 (copy_bb): Kill saving; do updating of clones.
15862 (copy_cfg_body): Kill saving.
15863 (initialize_inlined-parameters): Likewise.
15864 (expand_call_inline): Likewise.
15866 (tree_function_versioning): New parameter "update_clones".
15867 (inlining_p): Kill saving.
15868 * tree-inline.h (tree_function_versioning): Update prototype.
15869 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15872 2006-01-11 Ian Lance Taylor <ian@airs.com>
15874 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15875 Allow undoing set of machine mode.
15876 (do_SUBST): Use enums instead of is_int.
15877 (do_SUBST_MODE): New function.
15878 (SUBST_MODE): New macro.
15879 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15880 reg and trying to replace reg_regno_rtx with a new register.
15881 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15882 (simplify_set): Use SUBST_MODE.
15883 (distribute_notes): Remove code that tried to update reg notes
15884 for regno_reg_rtx changes.
15886 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15888 PR tree-optimization/23109
15889 PR tree-optimization/23948
15890 PR tree-optimization/24123
15892 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15893 * tree-cfg.c (single_noncomplex_succ): New.
15894 * tree-flow.h (single_noncomplex_succ): Declare it.
15895 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15896 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15897 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15898 insert_bb, register_division_in, insert_reciprocals,
15899 replace_reciprocal, free_bb): New.
15900 (execute_cse_reciprocals_1): Rewritten.
15901 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15902 Do not commit any edge insertion. Always compute dominators and
15903 create the allocation pool.
15904 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15905 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15906 * targhooks.c (default_min_divistions_for_recip_mul): New.
15907 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15908 * passes.c (init_optimization_passes): Run recip after tree loop
15910 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15912 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15913 Kenneth Zadeck <zadeck@naturalbridge.com>
15915 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15916 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15917 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15918 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15919 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15920 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15921 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15922 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15923 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15924 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15925 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15926 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15927 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15928 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15929 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15930 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15931 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15932 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15933 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15934 DF_SCAN_POST_ALLOC): New macros.
15935 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15936 df_free_bb_function, df_local_compute_function, df_init_function,
15937 df_dataflow_function, df_confluence_function_0,
15938 df_confluence_function_n, df_transfer_function,
15939 df_finalizer_function, df_free_function, df_dump_problem_function,
15940 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15941 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15942 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15943 df_urec_bb_info, ) New types.
15944 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15946 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15947 df_analyze_simple_change_some_blocks,
15948 df_analyze_simple_change_one_block, df_compact_blocks,
15949 df_bb_replace, df_bb_regno_last_use_find,
15950 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15951 df_insn_regno_def_p, df_find_def, df_find_use,
15952 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15953 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15954 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15955 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15956 debug_df_chain, df_get_dependent_problem, df_chain_create,
15957 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15958 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15959 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15960 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15961 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15962 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15963 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15964 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15965 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15966 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15967 df_reorganize_refs, df_set_state, df_hard_reg_init,
15968 df_read_modify_subreg_p) New public functions.
15969 * df-core.c: The core dataflow solver and glue routines for rtl
15971 (df_init, df_add_problem, df_set_blocks, df_finish,
15972 df_hybrid_search_forward, df_hybrid_search_backward,
15973 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15974 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15975 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15976 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15977 df_reg_defined, df_find_use, df_reg_used, df_dump,
15978 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15979 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15980 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15981 debug_df_useno, reset_df_after_reload): New functions.
15982 * df-scan.c: The scanning fuctions, once in df.c, completely
15983 rewritten so that they now fully model the functionality of
15984 register usage at the backend.
15985 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15986 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15987 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15988 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15989 df_get_artificial_defs, df_get_artificial_uses,
15990 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15991 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15992 df_refs_delete, df_reorganize_refs, df_set_state,
15993 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15994 df_def_record_1, df_defs_record, df_uses_record,
15995 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15996 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15997 df_record_exit_block_uses, df_hard_reg_init): New functions.
15999 * df-problems.c: Seven concrete dataflow problems that use the
16000 scanning in df-scan.c and are solved by the engine in df-core.c.
16001 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16002 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16003 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16004 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16005 df_ru_free_bb_info, df_ru_alloc,
16006 df_ru_bb_local_compute_process_def,
16007 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16008 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16009 df_ru_transfer_function, df_ru_free, df_ru_dump,
16010 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16011 df_rd_free_bb_info, df_rd_alloc,
16012 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16013 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16014 df_rd_transfer_function, df_rd_free, df_rd_dump,
16015 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16016 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16017 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16018 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16019 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16020 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16021 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16022 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16023 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16024 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16025 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16026 df_urec_mark_reg_use_for_earlyclobber,
16027 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16028 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16029 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16030 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16031 df_chain_create_bb_process_use, df_chain_create_bb,
16032 df_chain_finalize, df_chain_free, df_chains_dump,
16033 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16034 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16035 df_reg_lifetime): New functions.
16036 * df.c: Deleted file.
16037 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16038 consistent with new df api.
16039 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16040 rest_of_handle_sms): Ditto.
16041 * web.c (unionfind_union, union_defs, entry_register, web_main):
16043 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16044 invariant_expr_equal_p, find_defs, check_dependencies,
16045 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16046 free_inv_motion_data, move_loop_invariants): Ditto.
16047 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16048 Update dependencies.
16049 (odf.c): Added defective entry that was deleted later in day.
16050 * sched-deps.c (sched_analyze_1): Ditto.
16052 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16054 * tree-ssa-operands.c (get_expr_operands): Record addressable
16055 variables directly. Do not call add_stmt_operands for CONST_DECLs
16057 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16058 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16060 2006-01-11 Ben Elliston <bje@au.ibm.com>
16062 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16063 function returns true in the positive case.
16065 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16068 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16069 for SI, DI, SF and DF modes. Add alternatives to copy between
16070 general and floating point registers to the 32-bit patterns.
16071 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16072 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16073 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16074 generating 64-bit code.
16075 * config/pa/pa.c (output_move_double): Handle copies between general
16076 and floating registers.
16078 2006-01-10 Stuart Hastings <stuart@apple.com>
16080 * config/i386/i386.md (set_got): Update.
16081 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16082 (builtin_setjmp_receiver): Mach-O support.
16083 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16084 (GOT_SYMBOL_NAME): Define.
16085 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16086 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16087 * config/i386/i386.c (override_options): Revise for Darwin.
16088 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16089 support. (darwin_x86_file_end): New. (output_set_got): Add label
16090 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16091 * config/i386/i386-protos.h (output_set_got): Likewise.
16092 * config/darwin.c (machopic_legitimize_pic_address): Update
16095 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16097 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16098 when MODE isn't BLKmode.
16100 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16102 PR rtl-optimization/25367
16103 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16105 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16108 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16109 for a negative bound.
16111 2006-01-10 Richard Guenther <rguenther@suse.de>
16113 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16114 Never override with anything constraint.
16116 2006-01-10 Jan Beulich <jbeulich@novell.com>
16118 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16119 256 bits when optimize_size.
16121 2006-01-10 Jan Beulich <jbeulich@novell.com>
16123 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16125 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16126 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16129 2006-01-10 Ben Elliston <bje@au.ibm.com>
16131 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16133 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16134 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16135 (USE_FP_FOR_ARG): Reject decimal float modes.
16136 (function_arg_advance): Likewise.
16137 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16138 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16139 point types in AltiVec vectors.
16140 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16141 (rs6000_libcall_value): Likewise.
16143 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16145 * config/xtensa/ieee754-df.S: New file.
16146 * config/xtensa/ieee754-sf.S: New file.
16147 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16148 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16149 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16151 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16153 * config/sh/predicates.md (binary_float_operator,
16154 binary_logical_operator, commutative_float_operator,
16155 equality_comparison_operator, greater_comparison_operator,
16156 less_comparison_operator, logical_operator,
16157 noncommutative_float_operator, shift_operator,
16158 symbol_ref_operand, unary_float_operator): Remove redundant
16161 2006-01-09 Jeff Law <law@redhat.com>
16163 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16164 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16165 now unused arguments. Callers updated.
16166 (eliminate_redundant_computations): Remove now unused arguments,
16168 (local_fold): Remove, no longer used.
16169 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16171 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16172 (simplify_cond): New function.
16173 (forward_propagate_into_cond): Call simplify_cond.
16175 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16177 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16178 (*vec_extractv2di_1_sse): New.
16180 2006-01-09 Ben Elliston <bje@au.ibm.com>
16182 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16184 2006-01-08 Richard Guenther <rguenther@suse.de>
16186 * tree-ssa-structalias.c (get_constraint_for): Remove
16187 anyoffset argument.
16188 (get_constraint_for_component_ref): Likewise.
16189 (do_deref): Likewise.
16190 (get_constraint_for): Likewise.
16191 (do_structure_copy): Likewise.
16192 (handle_ptr_arith): Likewise.
16193 (find_func_aliases): Likewise. Remove unused need_anyoffset
16196 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16197 Kaz Kojima <kkojima@gcc.gnu.org>
16199 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16200 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16201 (EXTRA_CONSTRAINT_C16): Remove.
16202 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16203 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16204 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16205 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16206 constants of SHmedia. Handle nested constant expressions of
16208 (andcosts): Fix the costs for SHmedia constants.
16209 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16210 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16211 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16212 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16213 (movv4hi_i, movv2si_i): Likewise.
16214 (movsi_const): Adjust the second operand of ior so to match with
16215 the Csu constraint.
16216 (movdi_const, movdi_const_32bit): Likewise.
16217 (movdi_const_16bit+1): Don't sign-extend LOW.
16218 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16220 (*double_shori): Fix the split condition. Use GEN_INT instead
16221 of get_int_mode calls. Mask lower 16-bit of the argument of
16223 (sym2GOTPLT): Remove.
16224 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16226 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16227 instead of EXTRA_CONSTRAINT_C16.
16229 2006-01-07 Ian Lance Taylor <ian@airs.com>
16230 David Edelsohn <edelsohn@gnu.org>
16232 PR rtl-optimization/25662
16233 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16234 for constant operands instead of simplify_gen_binary.
16235 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16236 after trying simplify_binary_operation
16238 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16240 * tree.c (iterative_hash_expr): Hash decls based on UID.
16242 2006-01-06 Eric Christopher <echristo@apple.com>
16244 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16245 (TARGET_UNWIND_EMIT): Fix spelling.
16246 * target.h (gcc_target): Add except_table_label.
16247 * except.c (output_function_exception_table): Use.
16248 * varasm.c (default_emit_except_table_label): New.
16249 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16251 (asm_out): Add here.
16252 * output.h (default_emit_except_table_label): Prototype.
16253 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16254 * config/darwin.c (darwin_emit_except_table_label): Define.
16255 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16257 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16259 PR tree-optimization/18527
16260 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16261 number_of_iterations_special, number_of_iterations_exit):
16262 Move base and step of an iv to a single structure. Add
16263 no_overflow flag, and use it in # of iterations analysis.
16264 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16265 folded_casts argument.
16266 (simple_iv): Pass base and step in a structure. Set no_overflow
16268 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16269 Evaluate expensiveness of computing # of iterations instead of
16270 the final expression.
16271 * tree-scalar-evolution.h (affine_iv): New structure.
16272 (simple_iv): Declaration changed.
16273 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16274 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16275 find_givs_in_stmt): Changed due to simple_iv change.
16277 2006-01-06 Jeff Law <law@redhat.com>
16280 * tree-cfg.c (bsi_replace): Rename final argument from
16281 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16282 change (stmt -> orig_stmt).
16283 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16284 (bsi_remove): Add new argument. Remove EH information
16286 (verify_eh_throw_table_statements): New function.
16287 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16289 * tree-optimize.c (execute_free_cfg_annotations): Verify
16290 the EH throw statement table after removing annotations.
16291 * except.h (verify_eh_throw_table_statements): Prototype.
16292 * tree-flow.h (bsi_remove): Update prototype.
16293 * tree-vrp.c (remove_range_assertions): Add new argument to
16295 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16296 * tree-complex.c (expand_complex_div_wide): Likewise.
16297 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16298 * tree-tailcall.c (eliminate_tailcall): Likewise.
16299 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16300 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16301 * tree-nrv.c (tree_nrv): Likewise.
16302 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16303 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16304 (combine_blocks): Likewise.
16305 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16306 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16307 (cleanup_control_flow): Likewise.
16308 (remove_forwarder_block): Likewise.
16309 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16310 * tree-sra.c (sra_replace): Likewise.
16311 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16312 (forward_propagate_single_use_vars): Likewise.
16313 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16314 * tree-inline.c (expand_call_inline): Likewise.
16315 * tree-vect-transform.c (vect_transform_loop): Likewise.
16316 * tree-outof-ssa.c (rewrite_trees): Likewise.
16317 * tree-cfg.c (make_goto_expr_edges): Likewise.
16318 (cleanup_dead_labels): Likewise.
16319 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16320 (bsi_move_before, bsi_move_after): Likewise.
16321 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16322 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16324 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16327 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16329 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16330 on non gimple variables. Also add checks at the top for decls and
16332 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16334 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16335 and IMAGPART_EXPR for creating MUST_DEFs.
16336 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16337 and NAME_MEMORY_TAG separately from the DECLs.
16339 2006-01-06 Richard Guenther <rguenther@suse.de>
16341 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16342 annotation, if necessary.
16343 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16344 redundant calls to update_stmt.
16345 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16348 2006-01-05 Richard Henderson <rth@redhat.com>
16350 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16352 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16354 * c-typeck.c: Update copyright date.
16356 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16358 * c-typeck.c (build_c_cast): Always warn when casting
16359 from a pointer to an integer of different size, even if
16360 the node was constant.
16362 2006-01-05 Richard Guenther <rguenther@suse.de>
16364 PR tree-optimization/22555
16365 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16366 if one structure field is an array.
16367 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16368 operands even if we found a subvar, but ignore VOPs in this
16370 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16372 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16374 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16376 PR middle-end/24998
16377 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16379 2006-01-05 Richard Guenther <rguenther@suse.de>
16380 Diego Novillo <dnovillo@redhat.com>
16382 * tree-pass.h (TODO_remove_unused_locals): Define.
16383 * gimple-low.c (expand_var_p, remove_useless_vars,
16384 pass_remove_useless_vars): Remove. Update all users.
16385 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16386 (remove_unused_locals): New function.
16387 * tree-flow.h (remove_unused_locals): Declare.
16388 * passes.c (execute_todo): Call remove_unused_locals if
16389 TODO_remove_unused_locals is set.
16390 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16391 * tree-ssa-dce.c (pass_dce): Likewise.
16392 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16394 2006-01-05 Richard Guenther <rguenther@suse.de>
16396 * tree-flow.h (struct fieldoff): Decompose field to
16397 type, size and decl.
16398 * tree-ssa-alias.c (create_sft): Take type as parameter.
16399 (create_overlap_variables_for): Store type, size and decl
16400 in the fieldoff structure.
16401 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16402 of struct fieldoff.
16403 (push_fields_onto_fieldstack): Likewise.
16404 (create_variable_info_for): Likewise. Use offset for the
16405 SFT name if the decl is not available.
16407 2006-01-04 Paul Brook <paul@codesourcery.com>
16409 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16411 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16413 * lambda-code.c (can_put_in_inner_loop): Relax
16415 (can_put_after_inner_loop): New function.
16416 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16417 (perfect_nestify): Change to make copies and modify uses.
16419 2006-01-04 Richard Henderson <rth@redhat.com>
16421 Merge from gomp branch:
16422 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16423 via integer constant.
16424 (pragma_lex): Remove.
16425 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16426 rather than parsing it.
16427 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16428 handle_pragma_extern_prefix): Add %< %> quotes.
16429 (registered_pragmas): New.
16430 (c_register_pragma_1): New.
16431 (c_register_pragma): Use it.
16432 (c_register_pragma_with_expansion): Likewise.
16433 (c_invoke_pragma_handler): New.
16434 (init_pragma): Use cpp_register_deferred_pragma directly for
16436 * c-pragma.h (enum pragma_kind): New.
16437 (pragma_handler): New.
16438 (c_invoke_pragma_handler): Declare.
16439 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16441 * c-common.h (c_common_pch_pragma): Update decl.
16442 * Makefile.in (c-parser.o): Update dependencies.
16443 (GTFILES): Add c-pragma.h.
16444 * c-parser.c (struct c_token): Add pragma_kind.
16445 (struct c_parser): Add in_pragma.
16446 (c_lex_one_token): Always initialize keyword and pragma_kind.
16447 Extract data for CPP_PRAGMA.
16448 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16449 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16450 Don't allow CPP_PRAGMA_EOL if in_pragma.
16451 (c_parser_consume_pragma): New.
16452 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16453 (c_parser_skip_to_end_of_parameter): Likewise.
16454 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16455 (c_parser_skip_to_pragma_eol): New.
16456 (c_parser_external_declaration): Handle CPP_PRAGMA.
16457 (c_parser_compound_statement_nostart): Likewise.
16458 (c_parser_statement_after_labels): Likewise.
16459 (c_parser_pragma): New.
16460 (pragma_lex): Likewise.
16461 (c_parser_pragma_pch_preprocess): New.
16462 (c_parser_new): Merge into ...
16463 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16465 2006-01-04 Jeff Law <law@redhat.com>
16468 * tree-cfg.c (bsi_replace): Remove the original statement
16469 from the EH throw statement table.
16471 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16473 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16474 make the prototype extern "C" and add throw ().
16477 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16478 and pos non-negative and pos + len <= 32.
16479 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16480 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16481 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16484 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16485 as well as sizes not multiple of component size.
16488 * function.c (instantiate_expr): New function.
16489 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16490 walk its DECL_VALUE_EXPR with instantiate_expr.
16492 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16493 DW_OP_deref{,_size} if address isn't going to be added.
16495 2006-01-04 Ben Elliston <bje@au.ibm.com>
16497 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16498 * config/fp-bit.c: Likewise.
16500 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16502 * dominance.c: Add comment about why we use DFS numbering
16505 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16506 Richard Henderson <rth@redhat.com>
16508 Merge from gomp-branch:
16509 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16510 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16512 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16514 PR rtl-optimization/25578
16515 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16516 pass a parameter to simplify_shift_const if changing ASHIFTRT
16519 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16521 * builtins.c (get_builtin_sync_mem): New function.
16522 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16523 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16524 Call get_builtin_sync_mem to generate mem rtx.
16526 2006-01-03 Richard Guenther <rguenther@suse.de>
16529 * stmt.c (add_case_node): Make sure to clear overflow flags
16532 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16534 Merge from gomp-branch.
16535 * config/sparc/sync.md: New file.
16536 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16537 UNSPECV_LDSTUB): New constants.
16538 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16539 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16540 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16543 2006-01-03 Roger Sayle <roger@eyesopen.com>
16545 * combine.c (reg_subword_p): New predicate to test whether the
16546 destination of a set refers to a subword/piece of a register.
16547 (try_combine): Generalize the code to merge the setting of a
16548 pseudo to a constant followed by a set of a subword of that
16549 register to a constant.
16551 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16553 * basic-block.h (control_flow_graph): Change the type of
16554 x_label_to_block_map to VEC(basic_block,gc) *.
16555 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16556 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16558 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16559 VEC(basic_block,heap) *.
16560 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16561 ssa_prop_fini): Adjust the uses of cfg_blocks.
16563 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16565 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16567 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16568 hashing trees instead of a pointer hash.
16569 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16570 compare for MEM_EXPR.
16572 PR rtl-optimization/25130
16573 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16574 when comparing MEMs for GCSE
16576 2006-01-03 Ben Elliston <bje@au.ibm.com>
16578 * targhooks.h (default_decimal_float_supported_p): Declare.
16579 * targhooks.c (default_decimal_float_supported_p): Define.
16580 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16581 `default_decimal_float_supported_p'.
16582 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16584 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16586 * combine.c (apply_distributive_law <SUBREG>): Check
16587 TRULY_NOOP_TRUNCATION.
16589 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16591 * dwarf2out.c (have_switched_text_section): Delete.
16592 (have_multiple_function_sections): New.
16593 (have_location_lists): Make 'bool'.
16594 (add_AT_loc_list): Use 'true' not '1'.
16595 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16596 (output_loc_list): Use have_multiple_function_sections.
16597 (output_ranges): Likewise.
16598 (dwarf2out_begin_function): Set have_multiple_function_sections if
16600 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16601 Check function_section rather than DECL_SECTION_NAME.
16602 (dwarf2out_finish): Use have_multiple_function_sections.
16603 Don't clear have_location_lists.
16605 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16606 Jan Hubicka <jh@suse.cz>
16608 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16609 case of conditional jump jumping to the next instruction.
16610 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16611 cases of conditional jump jumping to the next instruction.
16613 2006-01-02 Jan Hubicka <jh@suse.cz>
16615 * i386.c (*_cost): Add COSTS_N_INSNS.
16616 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16618 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16621 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16623 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16625 * config/arm/arm.c (all_fpus): Fix comment typo.
16626 * config/darwin.c: Likewise.
16627 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16628 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16629 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16631 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16633 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16634 (rs6000_split_compare_and_swapqhi): New.
16635 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16636 (sync_compare_and_swapqhi_internal): New.
16637 * config/rs6000/rs6000-protos.h: Declare.